Merge pull request #1913 from acruikshank/feat/1853-confirmations-in-StateWaitMsg2

Add confidence and timeout to message wait
more import rearrangement
2020-06-04 23:23:15 +02:00 · 2020-06-04 09:54:37 -04:00 · 2020-06-03 22:34:57 -04:00 · 2020-06-03 22:30:09 -04:00 · 2020-06-03 22:18:38 -04:00 · 2020-06-03 17:42:06 -04:00
425 changed files with 29385 additions and 28296 deletions
@@ -1,12 +1,15 @@
 version: 2.1
 orbs:
-  go: gotest/tools@0.0.9
+  go: gotest/tools@0.0.13

 executors:
  golang:
    docker:
-      - image: circleci/golang:1.13
+      - image: circleci/golang:1.14.2
    resource_class: 2xlarge
+  ubuntu:
+    docker:
+      - image: ubuntu:19.10

 commands:
  install-deps:
@@ -24,6 +27,8 @@ commands:
        description: is a darwin build environment?
        type: boolean
    steps:
+      - checkout
+      - git_fetch_all_tags
      - checkout
      - when:
          condition: << parameters.linux >>
@@ -37,16 +42,36 @@ commands:
      - restore_cache:
          name: Restore parameters cache
          keys:
-            - 'v20-1k-lotus-params'
+            - 'v25-2k-lotus-params'
          paths:
            - /var/tmp/filecoin-proof-parameters/
-      - run:  ./lotus fetch-params --proving-params 1024
+      - run:  ./lotus fetch-params --proving-params 2048
      - save_cache:
          name: Save parameters cache
-          key: 'v20-1k-lotus-params'
+          key: 'v25-2k-lotus-params'
          paths:
            - /var/tmp/filecoin-proof-parameters/
-
+  install_ipfs:
+    steps:
+      - run: |
+          apt update
+          apt install -y wget
+          wget https://github.com/ipfs/go-ipfs/releases/download/v0.4.22/go-ipfs_v0.4.22_linux-amd64.tar.gz
+          wget https://github.com/ipfs/go-ipfs/releases/download/v0.4.22/go-ipfs_v0.4.22_linux-amd64.tar.gz.sha512
+          if [ "$(sha512sum go-ipfs_v0.4.22_linux-amd64.tar.gz)" != "$(cat go-ipfs_v0.4.22_linux-amd64.tar.gz.sha512)" ]
+          then
+            echo "ipfs failed checksum check"
+            exit 1
+          fi
+          tar -xf go-ipfs_v0.4.22_linux-amd64.tar.gz
+          mv go-ipfs/ipfs /usr/local/bin/ipfs
+          chmod +x /usr/local/bin/ipfs
+  git_fetch_all_tags:
+    steps:
+      - run:
+          name: fetch all tags
+          command: |
+            git fetch --all

 jobs:
  mod-tidy-check:
@@ -54,7 +79,6 @@ jobs:
    steps:
      - install-deps
      - prepare
-      - go/mod-download
      - go/mod-tidy-check

  build-all:
@@ -62,18 +86,29 @@ jobs:
    steps:
      - install-deps
      - prepare
-      - go/mod-download
      - run: sudo apt-get update
      - run: sudo apt-get install npm
-      - restore_cache:
-          name: restore go mod cache
-          key: v1-go-deps-{{ arch }}-{{ checksum "/home/circleci/project/go.mod" }}
      - run:
          command: make buildall
      - store_artifacts:
          path: lotus
      - store_artifacts:
          path: lotus-storage-miner
+      - store_artifacts:
+          path: lotus-seal-worker
+      - run: mkdir linux && mv lotus lotus-storage-miner lotus-seal-worker linux/
+      - persist_to_workspace:
+          root: "."
+          paths:
+            - linux
+
+  build-debug:
+    executor: golang
+    steps:
+      - install-deps
+      - prepare
+      - run:
+          command: make debug

  test: &test
    description: |
@@ -90,6 +125,9 @@ jobs:
        type: string
        default: "./..."
        description: Import paths of packages to be tested.
+      winpost-test:
+        type: string
+        default: "0"
      test-suite-name:
        type: string
        default: unit
@@ -112,10 +150,6 @@ jobs:
    steps:
      - install-deps
      - prepare
-      - go/mod-download
-      - restore_cache:
-          name: restore go mod cache
-          key: v1-go-deps-{{ arch }}-{{ checksum "/home/circleci/project/go.mod" }}
      - run:
          command: make deps lotus
          no_output_timeout: 30m
@@ -127,6 +161,7 @@ jobs:
          environment:
            GOTESTSUM_JUNITFILE: /tmp/test-reports/<< parameters.test-suite-name >>/junit.xml
            GOTESTSUM_FORMAT: << parameters.gotestsum-format >>
+            LOTUS_TEST_WINDOW_POST: << parameters.winpost-test >>
          command: |
            mkdir -p /tmp/test-reports/<< parameters.test-suite-name >>
            gotestsum -- \
@@ -145,15 +180,10 @@ jobs:
                shell: /bin/bash -eo pipefail
                command: |
                  bash <(curl -s https://codecov.io/bash)
-      - save_cache:
-          name: save go mod cache
-          key: v1-go-deps-{{ arch }}-{{ checksum "/home/circleci/project/go.mod" }}
-          paths:
-            - "~/go/pkg"
-            - "~/go/src/github.com"
-            - "~/go/src/golang.org"

-  test-short: 
+  test-short:
+    <<: *test
+  test-window-post:
    <<: *test

  build-macos:
@@ -168,8 +198,8 @@ jobs:
      - run:
          name: Install go
          command: |
-            curl -O https://dl.google.com/go/go1.13.4.darwin-amd64.pkg && \
-            sudo installer -pkg go1.13.4.darwin-amd64.pkg -target /
+            curl -O https://dl.google.com/go/go1.14.2.darwin-amd64.pkg && \
+            sudo installer -pkg go1.14.2.darwin-amd64.pkg -target /
      - run:
          name: Install pkg-config
          command: HOMEBREW_NO_AUTO_UPDATE=1 brew install pkg-config
@@ -181,14 +211,12 @@ jobs:
      - run:
          name: Install jq
          command: |
-            mkdir $HOME/.bin
-            curl --location https://github.com/stedolan/jq/releases/download/jq-1.6/jq-osx-amd64 --output $HOME/.bin/jq
-            chmod +x $HOME/.bin/jq
+            curl --location https://github.com/stedolan/jq/releases/download/jq-1.6/jq-osx-amd64 --output /usr/local/bin/jq
+            chmod +x /usr/local/bin/jq
      - restore_cache:
-          name: restore go mod and cargo cache
+          name: restore cargo cache
          key: v3-go-deps-{{ arch }}-{{ checksum "~/go/src/github.com/filecoin-project/lotus/go.sum" }}
      - install-deps
-      - go/mod-download
      - run:
          command: make build
          no_output_timeout: 30m
@@ -196,6 +224,13 @@ jobs:
          path: lotus
      - store_artifacts:
          path: lotus-storage-miner
+      - store_artifacts:
+          path: lotus-seal-worker
+      - run: mkdir darwin && mv lotus lotus-storage-miner lotus-seal-worker darwin/
+      - persist_to_workspace:
+          root: "."
+          paths:
+            - darwin
      - save_cache:
          name: save cargo cache
          key: v3-go-deps-{{ arch }}-{{ checksum "~/go/src/github.com/filecoin-project/lotus/go.sum" }}
@@ -203,6 +238,14 @@ jobs:
            - "~/.rustup"
            - "~/.cargo"

+  gofmt:
+    executor: golang
+    steps:
+      - install-deps
+      - prepare
+      - run:
+          command: "! go fmt ./... 2>&1 | read"
+
  lint: &lint
    description: |
      Run golangci-lint.
@@ -212,7 +255,7 @@ jobs:
        default: golang
      golangci-lint-version:
        type: string
-        default: 1.17.1
+        default: 1.27.0
      concurrency:
        type: string
        default: '2'
@@ -228,7 +271,6 @@ jobs:
    steps:
      - install-deps
      - prepare
-      - go/mod-download
      - run:
          command: make deps
          no_output_timeout: 30m
@@ -238,7 +280,7 @@ jobs:
      - run:
          name: Lint
          command: |
-            $HOME/.local/bin/golangci-lint run -v \
+            $HOME/.local/bin/golangci-lint run -v --timeout 2m \
              --concurrency << parameters.concurrency >> << parameters.args >>
  lint-changes:
    <<: *lint
@@ -246,17 +288,72 @@ jobs:
  lint-all:
    <<: *lint

+  publish:
+    description: publish binary artifacts
+    executor: ubuntu
+    steps:
+      - run:
+          name: Install git jq curl
+          command: apt update && apt install -y git jq curl
+      - checkout
+      - git_fetch_all_tags
+      - checkout
+      - install_ipfs
+      - attach_workspace:
+          at: "."
+      - run:
+          name: Create bundles
+          command: ./scripts/build-bundle.sh
+      - run:
+          name: Publish release
+          command: ./scripts/publish-release.sh
+

 workflows:
  version: 2.1
  ci:
    jobs:
      - lint-changes:
-          args: "--new-from-rev origin/master"
+          args: "--new-from-rev origin/next" 
+      - mod-tidy-check
+      - gofmt
      - test:
          codecov-upload: true
+      - test-window-post:
+          go-test-flags: "-run=TestWindowedPost"
+          winpost-test: "1"
      - test-short:
          go-test-flags: "--timeout 10m --short"
-      - mod-tidy-check
-      - build-all
-      - build-macos
+          filters:
+            tags:
+              only:
+                - /^v\d+\.\d+\.\d+$/
+      - build-debug
+      - build-all:
+          requires:
+            - test-short
+          filters:
+            tags:
+              only:
+                - /^v\d+\.\d+\.\d+$/
+      - build-macos:
+          requires:
+            - test-short
+          filters:
+            branches:
+              ignore:
+                - /.*/
+            tags:
+              only:
+                - /^v\d+\.\d+\.\d+$/
+      - publish:
+          requires:
+            - build-all
+            - build-macos
+          filters:
+            branches:
+              ignore:
+                - /.*/
+            tags:
+              only:
+                - /^v\d+\.\d+\.\d+$/
@@ -0,0 +1 @@
+.gitignore
@@ -0,0 +1,34 @@
+---
+name: Sealing Issues
+about: Create a report for help with sealing (commit) failures.
+title: ''
+labels: 'sealing'
+assignees: ''
+
+---
+
+Please provide all the information requested here to help us troubleshoot "commit failed" issues.
+If the information requested is missing, we will probably have to just ask you to provide it anyway,
+before we can help debug.
+
+**Describe the problem**
+
+A brief description of the problem you encountered while proving (sealing) a sector.
+
+Including what commands you ran, and a description of your setup, is very helpful.
+
+**Sectors list**
+
+The output of `./lotus-storage-miner sectors list`.
+
+**Sectors status**
+
+The output of `./lotus-storage-miner sectors status --log <sectorId>` for the failed sector(s).
+
+**Lotus storage miner logs**
+
+Please go through the logs of your storage miner, and include screenshots of any error-like messages you find.
+
+**Version**
+
+The output of `./lotus --version`.
@@ -2,6 +2,8 @@
 /lotus-storage-miner
 /lotus-seal-worker
 /lotus-seed
+/lotus-health
+/lotus-shed
 /pond
 /townhall
 /fountain
@@ -13,7 +15,6 @@
 /cmd/lotus-townhall/townhall/node_modules
 /cmd/lotus-townhall/townhall/build
 extern/filecoin-ffi/rust/target
-**/*.h
 **/*.a
 **/*.pc
 /**/*/.DS_STORE
@@ -25,6 +26,9 @@ build/paramfetch.sh
 /blocks.svg
 /chainwatch
 /chainwatch.db
+/bundle
+/darwin
+/linux

 *-fuzz.zip
 /chain/types/work_msg/
@@ -2,3 +2,6 @@
 	path = extern/filecoin-ffi
 	url = https://github.com/filecoin-project/filecoin-ffi.git
 	branch = master
+[submodule "extern/serialization-vectors"]
+	path = extern/serialization-vectors
+	url = https://github.com/filecoin-project/serialization-vectors
@@ -1,7 +1,8 @@
 linters:
  disable-all: true
  enable:
-    - vet
+    - gofmt
+    - govet
    - goimports
    - misspell
    - goconst
@@ -21,13 +22,27 @@ issues:
    - "func name will be used as test\\.Test.* by other packages, and that stutters; consider calling this"
    - "Potential file inclusion via variable"
    - "should have( a package)? comment"
+    - "Error return value of `logging.SetLogLevel` is not checked"

  exclude-use-default: false
  exclude-rules:
+    - path: lotuspond
+      linters:
+        - errcheck
+
    - path: node/modules/lp2p
      linters:
        - golint
-    - path: ".*_test.go"
+
+    - path: build/params_.*\.go
+      linters:
+        - golint
+          
+    - path: api/apistruct/struct.go
+      linters:
+        - golint
+
+    - path: .*_test.go
      linters:
        - gosec

@@ -3,6 +3,8 @@ SHELL=/usr/bin/env bash
 all: build
 .PHONY: all

+unexport GOFLAGS
+
 GOVERSION:=$(shell go version | cut -d' ' -f 3 | cut -d. -f 2)
 ifeq ($(shell expr $(GOVERSION) \< 13), 1)
 $(warning Your Golang version is go 1.$(GOVERSION))
@@ -14,12 +16,19 @@ MODULES:=

 CLEAN:=
 BINS:=
-GOFLAGS+=-ldflags='-X="github.com/filecoin-project/lotus/build".CurrentCommit=+git$(subst -,.,$(shell git describe --always --match=NeVeRmAtCh --dirty 2>/dev/null || git rev-parse --short HEAD 2>/dev/null))'
+
+ldflags=-X=github.com/filecoin-project/lotus/build.CurrentCommit=+git.$(subst -,.,$(shell git describe --always --match=NeVeRmAtCh --dirty 2>/dev/null || git rev-parse --short HEAD 2>/dev/null))
+ifneq ($(strip $(LDFLAGS)),)
+	ldflags+=-extldflags=$(LDFLAGS)
+endif
+
+GOFLAGS+=-ldflags="$(ldflags)"
+

 ## FFI

 FFI_PATH:=extern/filecoin-ffi/
-FFI_DEPS:=libfilecoin.a filecoin.pc filecoin.h
+FFI_DEPS:=.install-filcrypto
 FFI_DEPS:=$(addprefix $(FFI_PATH),$(FFI_DEPS))

 $(FFI_DEPS): build/.filecoin-install ;
@@ -51,6 +60,9 @@ deps: $(BUILD_DEPS)
 debug: GOFLAGS+=-tags=debug
 debug: lotus lotus-storage-miner lotus-seal-worker lotus-seed

+2k: GOFLAGS+=-tags=2k
+2k: lotus lotus-storage-miner lotus-seal-worker lotus-seed
+
 lotus: $(BUILD_DEPS)
 	rm -f lotus
 	go build $(GOFLAGS) -o lotus ./cmd/lotus
@@ -77,8 +89,8 @@ lotus-shed: $(BUILD_DEPS)
 	rm -f lotus-shed
 	go build $(GOFLAGS) -o lotus-shed ./cmd/lotus-shed
 	go run github.com/GeertJohan/go.rice/rice append --exec lotus-shed -i ./build
-.PHONY: lotus-seal-worker
-BINS+=lotus-seal-worker
+.PHONY: lotus-shed
+BINS+=lotus-shed

 build: lotus lotus-storage-miner lotus-seal-worker
 	@[[ $$(type -P "lotus") ]] && echo "Caution: you have \
@@ -91,6 +103,19 @@ install:
 	install -C ./lotus-storage-miner /usr/local/bin/lotus-storage-miner
 	install -C ./lotus-seal-worker /usr/local/bin/lotus-seal-worker

+install-services: install
+	mkdir -p /usr/local/lib/systemd/system
+	install -C -m 0644 ./scripts/lotus-daemon.service /usr/local/lib/systemd/system/lotus-daemon.service
+	install -C -m 0644 ./scripts/lotus-miner.service /usr/local/lib/systemd/system/lotus-miner.service
+	systemctl daemon-reload
+	@echo
+	@echo "lotus and lotus-miner services installed. Don't forget to 'systemctl enable lotus|lotus-miner' for it to be enabled on startup."
+
+clean-services:
+	rm -f /usr/local/lib/systemd/system/lotus-daemon.service
+	rm -f /usr/local/lib/systemd/system/lotus-miner.service
+	systemctl daemon-reload
+
 # TOOLS

 lotus-seed: $(BUILD_DEPS)
@@ -107,7 +132,7 @@ benchmarks:
 	@curl -X POST 'http://benchmark.kittyhawk.wtf/benchmark' -d '@bench.json' -u "${benchmark_http_cred}"
 .PHONY: benchmarks

-pond: build
+pond: 2k
 	go build -o pond ./lotuspond
 	(cd lotuspond/front && npm i && CI=false npm run build)
 .PHONY: pond
@@ -161,6 +186,18 @@ BINS+=health

 buildall: $(BINS)

+completions:
+	./scripts/make-completions.sh lotus
+	./scripts/make-completions.sh lotus-storage-miner
+.PHONY: completions
+
+install-completions:
+	mkdir -p /usr/share/bash-completion/completions /usr/local/share/zsh/site-functions/
+	install -C ./scripts/bash-completion/lotus /usr/share/bash-completion/completions/lotus
+	install -C ./scripts/bash-completion/lotus-storage-miner /usr/share/bash-completion/completions/lotus-storage-miner
+	install -C ./scripts/zsh-completion/lotus /usr/local/share/zsh/site-functions/_lotus
+	install -C ./scripts/zsh-completion/lotus-storage-miner /usr/local/share/zsh/site-functions/_lotus-storage-miner
+
 clean:
 	rm -rf $(CLEAN) $(BINS)
 	-$(MAKE) -C $(FFI_PATH) clean
@@ -174,5 +211,10 @@ dist-clean:
 type-gen:
 	go run ./gen/main.go

+method-gen:
+	(cd ./lotuspond/front/src/chain && go run ./methodgen.go)
+
+gen: type-gen method-gen
+
 print-%:
 	@echo $*=$($*)
@@ -2,7 +2,7 @@

 # Project Lotus - 莲

-Lotus is an experimental implementation of the Filecoin Distributed Storage Network. For more details about Filecoin, check out the [Filecoin Spec](https://github.com/filecoin-project/specs).
+Lotus is an implementation of the Filecoin Distributed Storage Network. For more details about Filecoin, check out the [Filecoin Spec](https://github.com/filecoin-project/specs).

 ## Development

@@ -4,17 +4,18 @@ import (
 	"context"
 	"fmt"

-	"github.com/filecoin-project/lotus/build"
 	"github.com/libp2p/go-libp2p-core/network"
 	"github.com/libp2p/go-libp2p-core/peer"
-)

-type Permission = string
+	"github.com/filecoin-project/go-jsonrpc/auth"
+
+	"github.com/filecoin-project/lotus/build"
+)

 type Common interface {
 	// Auth
-	AuthVerify(ctx context.Context, token string) ([]Permission, error)
-	AuthNew(ctx context.Context, perms []Permission) ([]byte, error)
+	AuthVerify(ctx context.Context, token string) ([]auth.Permission, error)
+	AuthNew(ctx context.Context, perms []auth.Permission) ([]byte, error)

 	// network

@@ -23,12 +24,17 @@ type Common interface {
 	NetConnect(context.Context, peer.AddrInfo) error
 	NetAddrsListen(context.Context) (peer.AddrInfo, error)
 	NetDisconnect(context.Context, peer.ID) error
+	NetFindPeer(context.Context, peer.ID) (peer.AddrInfo, error)
+	NetPubsubScores(context.Context) ([]PubsubScore, error)

 	// ID returns peerID of libp2p node backing this API
 	ID(context.Context) (peer.ID, error)

 	// Version provides information about API provider
 	Version(context.Context) (Version, error)
+
+	LogList(context.Context) ([]string, error)
+	LogSetLevel(context.Context, string, string) error
 }

 // Version provides various build-time information
@@ -9,65 +9,94 @@ import (
 	"github.com/libp2p/go-libp2p-core/peer"

 	"github.com/filecoin-project/go-address"
-	"github.com/filecoin-project/lotus/chain/actors"
-	"github.com/filecoin-project/lotus/chain/store"
+	"github.com/filecoin-project/go-fil-markets/storagemarket"
+	"github.com/filecoin-project/specs-actors/actors/abi"
+	"github.com/filecoin-project/specs-actors/actors/abi/big"
+	"github.com/filecoin-project/specs-actors/actors/builtin/market"
+	"github.com/filecoin-project/specs-actors/actors/builtin/miner"
+	"github.com/filecoin-project/specs-actors/actors/builtin/paych"
+	"github.com/filecoin-project/specs-actors/actors/builtin/power"
+	"github.com/filecoin-project/specs-actors/actors/crypto"
+
 	"github.com/filecoin-project/lotus/chain/types"
+	"github.com/filecoin-project/lotus/node/modules/dtypes"
 )

 // FullNode API is a low-level interface to the Filecoin network full node
 type FullNode interface {
 	Common

-	// chain
+	// TODO: TipSetKeys
+
+	// MethodGroup: Chain
+	// The Chain method group contains methods for interacting with the
+	// blockchain, but that do not require any form of state computation

 	// ChainNotify returns channel with chain head updates
 	// First message is guaranteed to be of len == 1, and type == 'current'
-	ChainNotify(context.Context) (<-chan []*store.HeadChange, error)
+	ChainNotify(context.Context) (<-chan []*HeadChange, error)
+	// ChainHead returns the current head of the chain
 	ChainHead(context.Context) (*types.TipSet, error)
-	ChainGetRandomness(context.Context, types.TipSetKey, int64) ([]byte, error)
+	// ChainGetRandomness is used to sample the chain for randomness
+	ChainGetRandomness(ctx context.Context, tsk types.TipSetKey, personalization crypto.DomainSeparationTag, randEpoch abi.ChainEpoch, entropy []byte) (abi.Randomness, error)
+	// ChainGetBlock returns the block specified by the given CID
 	ChainGetBlock(context.Context, cid.Cid) (*types.BlockHeader, error)
 	ChainGetTipSet(context.Context, types.TipSetKey) (*types.TipSet, error)
 	ChainGetBlockMessages(context.Context, cid.Cid) (*BlockMessages, error)
 	ChainGetParentReceipts(context.Context, cid.Cid) ([]*types.MessageReceipt, error)
 	ChainGetParentMessages(context.Context, cid.Cid) ([]Message, error)
-	ChainGetTipSetByHeight(context.Context, uint64, *types.TipSet) (*types.TipSet, error)
+	ChainGetTipSetByHeight(context.Context, abi.ChainEpoch, types.TipSetKey) (*types.TipSet, error)
 	ChainReadObj(context.Context, cid.Cid) ([]byte, error)
-	ChainSetHead(context.Context, *types.TipSet) error
+	ChainHasObj(context.Context, cid.Cid) (bool, error)
+	ChainStatObj(context.Context, cid.Cid, cid.Cid) (ObjStat, error)
+	ChainSetHead(context.Context, types.TipSetKey) error
 	ChainGetGenesis(context.Context) (*types.TipSet, error)
-	ChainTipSetWeight(context.Context, *types.TipSet) (types.BigInt, error)
-	ChainGetNode(ctx context.Context, p string) (interface{}, error)
+	ChainTipSetWeight(context.Context, types.TipSetKey) (types.BigInt, error)
+	ChainGetNode(ctx context.Context, p string) (*IpldObject, error)
 	ChainGetMessage(context.Context, cid.Cid) (*types.Message, error)
-	ChainGetPath(ctx context.Context, from types.TipSetKey, to types.TipSetKey) ([]*store.HeadChange, error)
+	ChainGetPath(ctx context.Context, from types.TipSetKey, to types.TipSetKey) ([]*HeadChange, error)
+	ChainExport(context.Context, types.TipSetKey) (<-chan []byte, error)

-	// syncer
+	// MethodGroup: Sync
+	// The Sync method group contains methods for interacting with and
+	// observing the lotus sync service
+
+	// SyncState returns the current status of the lotus sync system
 	SyncState(context.Context) (*SyncState, error)
+	// SyncSubmitBlock can be used to submit a newly created block to the
+	// network through this node
 	SyncSubmitBlock(ctx context.Context, blk *types.BlockMsg) error
 	SyncIncomingBlocks(ctx context.Context) (<-chan *types.BlockHeader, error)
 	SyncMarkBad(ctx context.Context, bcid cid.Cid) error
+	SyncCheckBad(ctx context.Context, bcid cid.Cid) (string, error)

-	// messages
-	MpoolPending(context.Context, *types.TipSet) ([]*types.SignedMessage, error)
+	// MethodGroup: Mpool
+	// The Mpool methods are for interacting with the message pool. The message pool
+	// manages all incoming and outgoing 'messages' going over the network.
+
+	MpoolPending(context.Context, types.TipSetKey) ([]*types.SignedMessage, error)
 	MpoolPush(context.Context, *types.SignedMessage) (cid.Cid, error)
 	MpoolPushMessage(context.Context, *types.Message) (*types.SignedMessage, error) // get nonce, sign, push
 	MpoolGetNonce(context.Context, address.Address) (uint64, error)
 	MpoolSub(context.Context) (<-chan MpoolUpdate, error)
+	MpoolEstimateGasPrice(context.Context, uint64, address.Address, int64, types.TipSetKey) (types.BigInt, error)

-	// FullNodeStruct
+	// MethodGroup: Miner

-	// miner
-
-	MinerCreateBlock(context.Context, address.Address, *types.TipSet, *types.Ticket, *types.EPostProof, []*types.SignedMessage, uint64, uint64) (*types.BlockMsg, error)
+	MinerGetBaseInfo(context.Context, address.Address, abi.ChainEpoch, types.TipSetKey) (*MiningBaseInfo, error)
+	MinerCreateBlock(context.Context, *BlockTemplate) (*types.BlockMsg, error)

 	// // UX ?

-	// wallet
+	// MethodGroup: Wallet

-	WalletNew(context.Context, string) (address.Address, error)
+	WalletNew(context.Context, crypto.SigType) (address.Address, error)
 	WalletHas(context.Context, address.Address) (bool, error)
 	WalletList(context.Context) ([]address.Address, error)
 	WalletBalance(context.Context, address.Address) (types.BigInt, error)
-	WalletSign(context.Context, address.Address, []byte) (*types.Signature, error)
+	WalletSign(context.Context, address.Address, []byte) (*crypto.Signature, error)
 	WalletSignMessage(context.Context, address.Address, *types.Message) (*types.SignedMessage, error)
+	WalletVerify(context.Context, address.Address, []byte, *crypto.Signature) bool
 	WalletDefaultAddress(context.Context) (address.Address, error)
 	WalletSetDefault(context.Context, address.Address) error
 	WalletExport(context.Context, address.Address) (*types.KeyInfo, error)
@@ -75,15 +104,23 @@ type FullNode interface {

 	// Other

+	// MethodGroup: Client
+	// The Client methods all have to do with interacting with the storage and
+	// retrieval markets as a client
+
 	// ClientImport imports file under the specified path into filestore
-	ClientImport(ctx context.Context, path string) (cid.Cid, error)
-	ClientStartDeal(ctx context.Context, data cid.Cid, addr address.Address, miner address.Address, epochPrice types.BigInt, blocksDuration uint64) (*cid.Cid, error)
+	ClientImport(ctx context.Context, ref FileRef) (cid.Cid, error)
+	// ClientStartDeal proposes a deal with a miner
+	ClientStartDeal(ctx context.Context, params *StartDealParams) (*cid.Cid, error)
+	// ClientGetDeal info returns the latest information about a given deal
 	ClientGetDealInfo(context.Context, cid.Cid) (*DealInfo, error)
 	ClientListDeals(ctx context.Context) ([]DealInfo, error)
 	ClientHasLocal(ctx context.Context, root cid.Cid) (bool, error)
 	ClientFindData(ctx context.Context, root cid.Cid) ([]QueryOffer, error)
-	ClientRetrieve(ctx context.Context, order RetrievalOrder, path string) error
-	ClientQueryAsk(ctx context.Context, p peer.ID, miner address.Address) (*types.SignedStorageAsk, error)
+	ClientRetrieve(ctx context.Context, order RetrievalOrder, ref *FileRef) error
+	ClientQueryAsk(ctx context.Context, p peer.ID, miner address.Address) (*storagemarket.SignedStorageAsk, error)
+	ClientCalcCommP(ctx context.Context, inpath string, miner address.Address) (*CommPRet, error)
+	ClientGenCar(ctx context.Context, ref FileRef, outpath string) error

 	// ClientUnimport removes references to the specified file from filestore
 	//ClientUnimport(path string)
@@ -93,54 +130,85 @@ type FullNode interface {

 	//ClientListAsks() []Ask

+	// MethodGroup: State
+	// The State methods are used to query, inspect, and interact with chain state
+
 	// if tipset is nil, we'll use heaviest
-	StateCall(context.Context, *types.Message, *types.TipSet) (*types.MessageReceipt, error)
-	StateReplay(context.Context, *types.TipSet, cid.Cid) (*ReplayResults, error)
-	StateGetActor(ctx context.Context, actor address.Address, ts *types.TipSet) (*types.Actor, error)
-	StateReadState(ctx context.Context, act *types.Actor, ts *types.TipSet) (*ActorState, error)
-	StateListMessages(ctx context.Context, match *types.Message, ts *types.TipSet, toht uint64) ([]cid.Cid, error)
+	StateCall(context.Context, *types.Message, types.TipSetKey) (*InvocResult, error)
+	StateReplay(context.Context, types.TipSetKey, cid.Cid) (*InvocResult, error)
+	StateGetActor(ctx context.Context, actor address.Address, tsk types.TipSetKey) (*types.Actor, error)
+	StateReadState(ctx context.Context, act *types.Actor, tsk types.TipSetKey) (*ActorState, error)
+	StateListMessages(ctx context.Context, match *types.Message, tsk types.TipSetKey, toht abi.ChainEpoch) ([]cid.Cid, error)

-	StateMinerSectors(context.Context, address.Address, *types.TipSet) ([]*ChainSectorInfo, error)
-	StateMinerProvingSet(context.Context, address.Address, *types.TipSet) ([]*ChainSectorInfo, error)
-	StateMinerPower(context.Context, address.Address, *types.TipSet) (MinerPower, error)
-	StateMinerWorker(context.Context, address.Address, *types.TipSet) (address.Address, error)
-	StateMinerPeerID(ctx context.Context, m address.Address, ts *types.TipSet) (peer.ID, error)
-	StateMinerElectionPeriodStart(ctx context.Context, actor address.Address, ts *types.TipSet) (uint64, error)
-	StateMinerSectorSize(context.Context, address.Address, *types.TipSet) (uint64, error)
-	StatePledgeCollateral(context.Context, *types.TipSet) (types.BigInt, error)
-	StateWaitMsg(context.Context, cid.Cid) (*MsgWait, error)
-	StateListMiners(context.Context, *types.TipSet) ([]address.Address, error)
-	StateListActors(context.Context, *types.TipSet) ([]address.Address, error)
-	StateMarketBalance(context.Context, address.Address, *types.TipSet) (actors.StorageParticipantBalance, error)
-	StateMarketParticipants(context.Context, *types.TipSet) (map[string]actors.StorageParticipantBalance, error)
-	StateMarketDeals(context.Context, *types.TipSet) (map[string]actors.OnChainDeal, error)
-	StateMarketStorageDeal(context.Context, uint64, *types.TipSet) (*actors.OnChainDeal, error)
-	StateLookupID(context.Context, address.Address, *types.TipSet) (address.Address, error)
+	StateNetworkName(context.Context) (dtypes.NetworkName, error)
+	StateMinerSectors(context.Context, address.Address, *abi.BitField, bool, types.TipSetKey) ([]*ChainSectorInfo, error)
+	StateMinerProvingSet(context.Context, address.Address, types.TipSetKey) ([]*ChainSectorInfo, error)
+	StateMinerProvingDeadline(context.Context, address.Address, types.TipSetKey) (*miner.DeadlineInfo, error)
+	StateMinerPower(context.Context, address.Address, types.TipSetKey) (*MinerPower, error)
+	StateMinerInfo(context.Context, address.Address, types.TipSetKey) (miner.MinerInfo, error)
+	StateMinerDeadlines(context.Context, address.Address, types.TipSetKey) (*miner.Deadlines, error)
+	StateMinerFaults(context.Context, address.Address, types.TipSetKey) (*abi.BitField, error)
+	// Returns all non-expired Faults that occur within lookback epochs of the given tipset
+	StateAllMinerFaults(ctx context.Context, lookback abi.ChainEpoch, ts types.TipSetKey) ([]*Fault, error)
+	StateMinerRecoveries(context.Context, address.Address, types.TipSetKey) (*abi.BitField, error)
+	StateMinerInitialPledgeCollateral(context.Context, address.Address, abi.SectorNumber, types.TipSetKey) (types.BigInt, error)
+	StateMinerAvailableBalance(context.Context, address.Address, types.TipSetKey) (types.BigInt, error)
+	StateSectorPreCommitInfo(context.Context, address.Address, abi.SectorNumber, types.TipSetKey) (miner.SectorPreCommitOnChainInfo, error)
+	StateSectorGetInfo(context.Context, address.Address, abi.SectorNumber, types.TipSetKey) (*miner.SectorOnChainInfo, error)
+	StatePledgeCollateral(context.Context, types.TipSetKey) (types.BigInt, error)
+	StateWaitMsg(ctx context.Context, cid cid.Cid, confidence uint64) (*MsgLookup, error)
+	StateSearchMsg(context.Context, cid.Cid) (*MsgLookup, error)
+	StateListMiners(context.Context, types.TipSetKey) ([]address.Address, error)
+	StateListActors(context.Context, types.TipSetKey) ([]address.Address, error)
+	StateMarketBalance(context.Context, address.Address, types.TipSetKey) (MarketBalance, error)
+	StateMarketParticipants(context.Context, types.TipSetKey) (map[string]MarketBalance, error)
+	StateMarketDeals(context.Context, types.TipSetKey) (map[string]MarketDeal, error)
+	StateMarketStorageDeal(context.Context, abi.DealID, types.TipSetKey) (*MarketDeal, error)
+	StateLookupID(context.Context, address.Address, types.TipSetKey) (address.Address, error)
+	StateAccountKey(context.Context, address.Address, types.TipSetKey) (address.Address, error)
 	StateChangedActors(context.Context, cid.Cid, cid.Cid) (map[string]types.Actor, error)
-	StateGetReceipt(context.Context, cid.Cid, *types.TipSet) (*types.MessageReceipt, error)
-	StateMinerSectorCount(context.Context, address.Address, *types.TipSet) (MinerSectors, error)
-	StateCompute(context.Context, uint64, []*types.Message, *types.TipSet) (cid.Cid, error)
+	StateGetReceipt(context.Context, cid.Cid, types.TipSetKey) (*types.MessageReceipt, error)
+	StateMinerSectorCount(context.Context, address.Address, types.TipSetKey) (MinerSectors, error)
+	StateCompute(context.Context, abi.ChainEpoch, []*types.Message, types.TipSetKey) (*ComputeStateOutput, error)

-	MarketEnsureAvailable(context.Context, address.Address, types.BigInt) error
+	// MethodGroup: Msig
+	// The Msig methods are used to interact with multisig wallets on the
+	// filecoin network
+
+	MsigGetAvailableBalance(context.Context, address.Address, types.TipSetKey) (types.BigInt, error)
+	MsigCreate(context.Context, int64, []address.Address, types.BigInt, address.Address, types.BigInt) (cid.Cid, error)
+	MsigPropose(context.Context, address.Address, address.Address, types.BigInt, address.Address, uint64, []byte) (cid.Cid, error)
+	MsigApprove(context.Context, address.Address, uint64, address.Address, address.Address, types.BigInt, address.Address, uint64, []byte) (cid.Cid, error)
+	MsigCancel(context.Context, address.Address, uint64, address.Address, address.Address, types.BigInt, address.Address, uint64, []byte) (cid.Cid, error)
+
+	MarketEnsureAvailable(context.Context, address.Address, address.Address, types.BigInt) (cid.Cid, error)
 	// MarketFreeBalance

+	// MethodGroup: Paych
+	// The Paych methods are for interacting with and managing payment channels
+
 	PaychGet(ctx context.Context, from, to address.Address, ensureFunds types.BigInt) (*ChannelInfo, error)
 	PaychList(context.Context) ([]address.Address, error)
 	PaychStatus(context.Context, address.Address) (*PaychStatus, error)
 	PaychClose(context.Context, address.Address) (cid.Cid, error)
 	PaychAllocateLane(ctx context.Context, ch address.Address) (uint64, error)
 	PaychNewPayment(ctx context.Context, from, to address.Address, vouchers []VoucherSpec) (*PaymentInfo, error)
-	PaychVoucherCheckValid(context.Context, address.Address, *types.SignedVoucher) error
-	PaychVoucherCheckSpendable(context.Context, address.Address, *types.SignedVoucher, []byte, []byte) (bool, error)
-	PaychVoucherCreate(context.Context, address.Address, types.BigInt, uint64) (*types.SignedVoucher, error)
-	PaychVoucherAdd(context.Context, address.Address, *types.SignedVoucher, []byte, types.BigInt) (types.BigInt, error)
-	PaychVoucherList(context.Context, address.Address) ([]*types.SignedVoucher, error)
-	PaychVoucherSubmit(context.Context, address.Address, *types.SignedVoucher) (cid.Cid, error)
+	PaychVoucherCheckValid(context.Context, address.Address, *paych.SignedVoucher) error
+	PaychVoucherCheckSpendable(context.Context, address.Address, *paych.SignedVoucher, []byte, []byte) (bool, error)
+	PaychVoucherCreate(context.Context, address.Address, types.BigInt, uint64) (*paych.SignedVoucher, error)
+	PaychVoucherAdd(context.Context, address.Address, *paych.SignedVoucher, []byte, types.BigInt) (types.BigInt, error)
+	PaychVoucherList(context.Context, address.Address) ([]*paych.SignedVoucher, error)
+	PaychVoucherSubmit(context.Context, address.Address, *paych.SignedVoucher) (cid.Cid, error)
+}
+
+type FileRef struct {
+	Path  string
+	IsCAR bool
 }

 type MinerSectors struct {
-	Pset uint64
 	Sset uint64
+	Pset uint64
 }

 type Import struct {
@@ -152,17 +220,20 @@ type Import struct {

 type DealInfo struct {
 	ProposalCid cid.Cid
-	State       DealState
+	State       storagemarket.StorageDealStatus
+	Message     string // more information about deal state, particularly errors
 	Provider    address.Address

-	PieceRef []byte // cid bytes
+	PieceCID cid.Cid
 	Size     uint64

 	PricePerEpoch types.BigInt
 	Duration      uint64
+
+	DealID abi.DealID
 }

-type MsgWait struct {
+type MsgLookup struct {
 	Receipt types.MessageReceipt
 	TipSet  *types.TipSet
 }
@@ -180,9 +251,8 @@ type Message struct {
 }

 type ChainSectorInfo struct {
-	SectorID uint64
-	CommD    []byte
-	CommR    []byte
+	Info miner.SectorOnChainInfo
+	ID   abi.SectorNumber
 }

 type ActorState struct {
@@ -211,20 +281,21 @@ type ChannelInfo struct {
 type PaymentInfo struct {
 	Channel        address.Address
 	ChannelMessage *cid.Cid
-	Vouchers       []*types.SignedVoucher
+	Vouchers       []*paych.SignedVoucher
 }

 type VoucherSpec struct {
-	Amount   types.BigInt
-	TimeLock uint64
-	MinClose uint64
+	Amount      types.BigInt
+	TimeLockMin abi.ChainEpoch
+	TimeLockMax abi.ChainEpoch
+	MinSettle   abi.ChainEpoch

-	Extra *types.ModVerifyParams
+	Extra *paych.ModVerifyParams
 }

 type MinerPower struct {
-	MinerPower types.BigInt
-	TotalPower types.BigInt
+	MinerPower power.Claim
+	TotalPower power.Claim
 }

 type QueryOffer struct {
@@ -232,42 +303,76 @@ type QueryOffer struct {

 	Root cid.Cid

-	Size     uint64
-	MinPrice types.BigInt
-
-	Miner       address.Address
-	MinerPeerID peer.ID
+	Size                    uint64
+	MinPrice                types.BigInt
+	PaymentInterval         uint64
+	PaymentIntervalIncrease uint64
+	Miner                   address.Address
+	MinerPeerID             peer.ID
 }

 func (o *QueryOffer) Order(client address.Address) RetrievalOrder {
 	return RetrievalOrder{
-		Root:  o.Root,
-		Size:  o.Size,
-		Total: o.MinPrice,
-
-		Client: client,
+		Root:                    o.Root,
+		Size:                    o.Size,
+		Total:                   o.MinPrice,
+		PaymentInterval:         o.PaymentInterval,
+		PaymentIntervalIncrease: o.PaymentIntervalIncrease,
+		Client:                  client,

 		Miner:       o.Miner,
 		MinerPeerID: o.MinerPeerID,
 	}
 }

+type MarketBalance struct {
+	Escrow big.Int
+	Locked big.Int
+}
+
+type MarketDeal struct {
+	Proposal market.DealProposal
+	State    market.DealState
+}
+
 type RetrievalOrder struct {
 	// TODO: make this less unixfs specific
 	Root cid.Cid
 	Size uint64
 	// TODO: support offset
-	Total types.BigInt
-
-	Client      address.Address
-	Miner       address.Address
-	MinerPeerID peer.ID
+	Total                   types.BigInt
+	PaymentInterval         uint64
+	PaymentIntervalIncrease uint64
+	Client                  address.Address
+	Miner                   address.Address
+	MinerPeerID             peer.ID
 }

-type ReplayResults struct {
-	Msg     *types.Message
-	Receipt *types.MessageReceipt
-	Error   string
+type InvocResult struct {
+	Msg                *types.Message
+	MsgRct             *types.MessageReceipt
+	InternalExecutions []*types.ExecutionResult
+	Error              string
+	Duration           time.Duration
+}
+
+type MethodCall struct {
+	types.MessageReceipt
+	Error string
+}
+
+type StartDealParams struct {
+	Data              *storagemarket.DataRef
+	Wallet            address.Address
+	Miner             address.Address
+	EpochPrice        types.BigInt
+	MinBlocksDuration uint64
+	DealStartEpoch    abi.ChainEpoch
+}
+
+type IpldObject struct {
+	Cid cid.Cid
+	Obj interface{}
 }

 type ActiveSync struct {
@@ -275,7 +380,7 @@ type ActiveSync struct {
 	Target *types.TipSet

 	Stage  SyncStateStage
-	Height uint64
+	Height abi.ChainEpoch

 	Start   time.Time
 	End     time.Time
@@ -308,3 +413,51 @@ type MpoolUpdate struct {
 	Type    MpoolChange
 	Message *types.SignedMessage
 }
+
+type ComputeStateOutput struct {
+	Root  cid.Cid
+	Trace []*InvocResult
+}
+
+type MiningBaseInfo struct {
+	MinerPower      types.BigInt
+	NetworkPower    types.BigInt
+	Sectors         []abi.SectorInfo
+	WorkerKey       address.Address
+	SectorSize      abi.SectorSize
+	PrevBeaconEntry types.BeaconEntry
+	BeaconEntries   []types.BeaconEntry
+}
+
+type BlockTemplate struct {
+	Miner            address.Address
+	Parents          types.TipSetKey
+	Ticket           *types.Ticket
+	Eproof           *types.ElectionProof
+	BeaconValues     []types.BeaconEntry
+	Messages         []*types.SignedMessage
+	Epoch            abi.ChainEpoch
+	Timestamp        uint64
+	WinningPoStProof []abi.PoStProof
+}
+
+type CommPRet struct {
+	Root cid.Cid
+	Size abi.UnpaddedPieceSize
+}
+type HeadChange struct {
+	Type string
+	Val  *types.TipSet
+}
+
+type MsigProposeResponse int
+
+const (
+	MsigApprove MsigProposeResponse = iota
+	MsigCancel
+)
+
+type Fault struct {
+	Miner address.Address
+	Epoch abi.ChainEpoch
+}
@@ -1,132 +1,121 @@
 package api

 import (
+	"bytes"
 	"context"

+	"github.com/ipfs/go-cid"
+
 	"github.com/filecoin-project/go-address"
-	"github.com/filecoin-project/go-sectorbuilder"
+	"github.com/filecoin-project/go-fil-markets/storagemarket"
+	"github.com/filecoin-project/lotus/chain/types"
+	"github.com/filecoin-project/sector-storage/stores"
+	"github.com/filecoin-project/sector-storage/storiface"
+	"github.com/filecoin-project/specs-actors/actors/abi"
 )

-// alias because cbor-gen doesn't like non-alias types
-type SectorState = uint64
-
-const (
-	UndefinedSectorState SectorState = iota
-
-	// happy path
-	Empty
-	Packing // sector not in sealStore, and not on chain
-
-	Unsealed      // sealing / queued
-	PreCommitting // on chain pre-commit
-	PreCommitted  // waiting for seed
-	Committing
-	CommitWait // waiting for message to land on chain
-	Proving
-	_ // reserved
-	_
-	_
-	_
-
-	// recovery handling
-	// Reseal
-	_
-	_
-	_
-	_
-	_
-	_
-	_
-
-	// error modes
-	FailedUnrecoverable
-
-	SealFailed
-	PreCommitFailed
-	SealCommitFailed
-	CommitFailed
-	_
-	_
-	_
-	_
-
-	Faulty        // sector is corrupted or gone for some reason
-	FaultReported // sector has been declared as a fault on chain
-	FaultedFinal  // fault declared on chain
-)
-
-var SectorStates = []string{
-	UndefinedSectorState: "UndefinedSectorState",
-	Empty:                "Empty",
-	Packing:              "Packing",
-	Unsealed:             "Unsealed",
-	PreCommitting:        "PreCommitting",
-	PreCommitted:         "PreCommitted",
-	Committing:           "Committing",
-	CommitWait:           "CommitWait",
-	Proving:              "Proving",
-
-	SealFailed:       "SealFailed",
-	PreCommitFailed:  "PreCommitFailed",
-	SealCommitFailed: "SealCommitFailed",
-	CommitFailed:     "CommitFailed",
-
-	FailedUnrecoverable: "FailedUnrecoverable",
-
-	Faulty:        "Faulty",
-	FaultReported: "FaultReported",
-	FaultedFinal:  "FaultedFinal",
-}
-
 // StorageMiner is a low-level interface to the Filecoin network storage miner node
 type StorageMiner interface {
 	Common

 	ActorAddress(context.Context) (address.Address, error)

-	ActorSectorSize(context.Context, address.Address) (uint64, error)
+	ActorSectorSize(context.Context, address.Address) (abi.SectorSize, error)
+
+	MiningBase(context.Context) (*types.TipSet, error)

 	// Temp api for testing
 	PledgeSector(context.Context) error

 	// Get the status of a given sector by ID
-	SectorsStatus(context.Context, uint64) (SectorInfo, error)
+	SectorsStatus(context.Context, abi.SectorNumber) (SectorInfo, error)

 	// List all staged sectors
-	SectorsList(context.Context) ([]uint64, error)
+	SectorsList(context.Context) ([]abi.SectorNumber, error)

 	SectorsRefs(context.Context) (map[string][]SealedRef, error)

-	SectorsUpdate(context.Context, uint64, SectorState) error
+	SectorsUpdate(context.Context, abi.SectorNumber, SectorState) error

-	WorkerStats(context.Context) (sectorbuilder.WorkerStats, error)
+	StorageList(ctx context.Context) (map[stores.ID][]stores.Decl, error)
+	StorageLocal(ctx context.Context) (map[stores.ID]string, error)
+	StorageStat(ctx context.Context, id stores.ID) (stores.FsStat, error)

-	// WorkerQueue registers a remote worker
-	WorkerQueue(context.Context, sectorbuilder.WorkerCfg) (<-chan sectorbuilder.WorkerTask, error)
+	// WorkerConnect tells the node to connect to workers RPC
+	WorkerConnect(context.Context, string) error
+	WorkerStats(context.Context) (map[uint64]storiface.WorkerStats, error)

-	WorkerDone(ctx context.Context, task uint64, res sectorbuilder.SealRes) error
+	stores.SectorIndex
+
+	MarketImportDealData(ctx context.Context, propcid cid.Cid, path string) error
+	MarketListDeals(ctx context.Context) ([]storagemarket.StorageDeal, error)
+	MarketListIncompleteDeals(ctx context.Context) ([]storagemarket.MinerDeal, error)
+	MarketSetPrice(context.Context, types.BigInt) error
+
+	DealsImportData(ctx context.Context, dealPropCid cid.Cid, file string) error
+	DealsList(ctx context.Context) ([]storagemarket.StorageDeal, error)
+
+	StorageAddLocal(ctx context.Context, path string) error
+}
+
+type SealRes struct {
+	Err   string
+	GoErr error `json:"-"`
+
+	Proof []byte
+}
+
+type SectorLog struct {
+	Kind      string
+	Timestamp uint64
+
+	Trace string
+
+	Message string
 }

 type SectorInfo struct {
-	SectorID uint64
+	SectorID abi.SectorNumber
 	State    SectorState
-	CommD    []byte
-	CommR    []byte
+	CommD    *cid.Cid
+	CommR    *cid.Cid
 	Proof    []byte
-	Deals    []uint64
-	Ticket   sectorbuilder.SealTicket
-	Seed     sectorbuilder.SealSeed
+	Deals    []abi.DealID
+	Ticket   SealTicket
+	Seed     SealSeed
 	Retries  uint64

 	LastErr string
+
+	Log []SectorLog
 }

 type SealedRef struct {
-	SectorID uint64
+	SectorID abi.SectorNumber
 	Offset   uint64
-	Size     uint64
+	Size     abi.UnpaddedPieceSize
 }

 type SealedRefs struct {
 	Refs []SealedRef
 }
+
+type SealTicket struct {
+	Value abi.SealRandomness
+	Epoch abi.ChainEpoch
+}
+
+type SealSeed struct {
+	Value abi.InteractiveSealRandomness
+	Epoch abi.ChainEpoch
+}
+
+func (st *SealTicket) Equals(ost *SealTicket) bool {
+	return bytes.Equal(st.Value, ost.Value) && st.Epoch == ost.Epoch
+}
+
+func (st *SealSeed) Equals(ost *SealSeed) bool {
+	return bytes.Equal(st.Value, ost.Value) && st.Epoch == ost.Epoch
+}
+
+type SectorState string
@@ -0,0 +1,34 @@
+package api
+
+import (
+	"os"
+	"os/exec"
+	"path/filepath"
+	"runtime"
+	"strings"
+	"testing"
+)
+
+func goCmd() string {
+	var exeSuffix string
+	if runtime.GOOS == "windows" {
+		exeSuffix = ".exe"
+	}
+	path := filepath.Join(runtime.GOROOT(), "bin", "go"+exeSuffix)
+	if _, err := os.Stat(path); err == nil {
+		return path
+	}
+	return "go"
+}
+
+func TestDoesntDependOnFFI(t *testing.T) {
+	deps, err := exec.Command(goCmd(), "list", "-deps", "github.com/filecoin-project/lotus/api").Output()
+	if err != nil {
+		t.Fatal(err)
+	}
+	for _, pkg := range strings.Fields(string(deps)) {
+		if pkg == "github.com/filecoin-project/filecoin-ffi" {
+			t.Fatal("api depends on filecoin-ffi")
+		}
+	}
+}
@@ -0,0 +1,34 @@
+package api
+
+import (
+	"context"
+	"io"
+
+	"github.com/ipfs/go-cid"
+
+	"github.com/filecoin-project/sector-storage/sealtasks"
+	"github.com/filecoin-project/sector-storage/stores"
+	"github.com/filecoin-project/sector-storage/storiface"
+	"github.com/filecoin-project/specs-actors/actors/abi"
+	"github.com/filecoin-project/specs-storage/storage"
+
+	"github.com/filecoin-project/lotus/build"
+)
+
+type WorkerAPI interface {
+	Version(context.Context) (build.Version, error)
+	// TODO: Info() (name, ...) ?
+
+	TaskTypes(context.Context) (map[sealtasks.TaskType]struct{}, error) // TaskType -> Weight
+	Paths(context.Context) ([]stores.StoragePath, error)
+	Info(context.Context) (storiface.WorkerInfo, error)
+
+	storage.Sealer
+
+	UnsealPiece(context.Context, abi.SectorID, storiface.UnpaddedByteIndex, abi.UnpaddedPieceSize, abi.SealRandomness, cid.Cid) error
+	ReadPiece(context.Context, io.Writer, abi.SectorID, storiface.UnpaddedByteIndex, abi.UnpaddedPieceSize) error
+
+	Fetch(context.Context, abi.SectorID, stores.SectorFileType, bool, stores.AcquireMode) error
+
+	Closing(context.Context) (<-chan struct{}, error)
+}
@@ -0,0 +1,67 @@
+package apibstore
+
+import (
+	"context"
+
+	blocks "github.com/ipfs/go-block-format"
+	"github.com/ipfs/go-cid"
+	blockstore "github.com/ipfs/go-ipfs-blockstore"
+	"golang.org/x/xerrors"
+)
+
+type ChainIO interface {
+	ChainReadObj(context.Context, cid.Cid) ([]byte, error)
+	ChainHasObj(context.Context, cid.Cid) (bool, error)
+}
+
+type apiBStore struct {
+	api ChainIO
+}
+
+func NewAPIBlockstore(cio ChainIO) blockstore.Blockstore {
+	return &apiBStore{
+		api: cio,
+	}
+}
+
+func (a *apiBStore) DeleteBlock(cid.Cid) error {
+	return xerrors.New("not supported")
+}
+
+func (a *apiBStore) Has(c cid.Cid) (bool, error) {
+	return a.api.ChainHasObj(context.TODO(), c)
+}
+
+func (a *apiBStore) Get(c cid.Cid) (blocks.Block, error) {
+	bb, err := a.api.ChainReadObj(context.TODO(), c)
+	if err != nil {
+		return nil, err
+	}
+	return blocks.NewBlockWithCid(bb, c)
+}
+
+func (a *apiBStore) GetSize(c cid.Cid) (int, error) {
+	bb, err := a.api.ChainReadObj(context.TODO(), c)
+	if err != nil {
+		return 0, err
+	}
+	return len(bb), nil
+}
+
+func (a *apiBStore) Put(blocks.Block) error {
+	return xerrors.New("not supported")
+}
+
+func (a *apiBStore) PutMany([]blocks.Block) error {
+	return xerrors.New("not supported")
+}
+
+func (a *apiBStore) AllKeysChan(ctx context.Context) (<-chan cid.Cid, error) {
+	return nil, xerrors.New("not supported")
+}
+
+func (a *apiBStore) HashOnRead(enabled bool) {
+	return
+}
+
+var _ blockstore.Blockstore = &apiBStore{}
@@ -1,105 +1,38 @@
 package apistruct

 import (
-	"context"
-	"reflect"
-
-	"golang.org/x/xerrors"
-
+	"github.com/filecoin-project/go-jsonrpc/auth"
 	"github.com/filecoin-project/lotus/api"
 )

-type permKey int
-
-var permCtxKey permKey
-
 const (
 	// When changing these, update docs/API.md too

-	PermRead  api.Permission = "read" // default
-	PermWrite api.Permission = "write"
-	PermSign  api.Permission = "sign"  // Use wallet keys for signing
-	PermAdmin api.Permission = "admin" // Manage permissions
+	PermRead  auth.Permission = "read" // default
+	PermWrite auth.Permission = "write"
+	PermSign  auth.Permission = "sign"  // Use wallet keys for signing
+	PermAdmin auth.Permission = "admin" // Manage permissions
 )

-var AllPermissions = []api.Permission{PermRead, PermWrite, PermSign, PermAdmin}
-var defaultPerms = []api.Permission{PermRead}
-
-func WithPerm(ctx context.Context, perms []api.Permission) context.Context {
-	return context.WithValue(ctx, permCtxKey, perms)
-}
+var AllPermissions = []auth.Permission{PermRead, PermWrite, PermSign, PermAdmin}
+var DefaultPerms = []auth.Permission{PermRead}

 func PermissionedStorMinerAPI(a api.StorageMiner) api.StorageMiner {
 	var out StorageMinerStruct
-	permissionedAny(a, &out.Internal)
-	permissionedAny(a, &out.CommonStruct.Internal)
+	auth.PermissionedProxy(AllPermissions, DefaultPerms, a, &out.Internal)
+	auth.PermissionedProxy(AllPermissions, DefaultPerms, a, &out.CommonStruct.Internal)
 	return &out
 }

 func PermissionedFullAPI(a api.FullNode) api.FullNode {
 	var out FullNodeStruct
-	permissionedAny(a, &out.Internal)
-	permissionedAny(a, &out.CommonStruct.Internal)
+	auth.PermissionedProxy(AllPermissions, DefaultPerms, a, &out.Internal)
+	auth.PermissionedProxy(AllPermissions, DefaultPerms, a, &out.CommonStruct.Internal)
 	return &out
 }

-func HasPerm(ctx context.Context, perm api.Permission) bool {
-	callerPerms, ok := ctx.Value(permCtxKey).([]api.Permission)
-	if !ok {
-		callerPerms = defaultPerms
-	}
-
-	for _, callerPerm := range callerPerms {
-		if callerPerm == perm {
-			return true
-		}
-	}
-	return false
-}
-
-func permissionedAny(in interface{}, out interface{}) {
-	rint := reflect.ValueOf(out).Elem()
-	ra := reflect.ValueOf(in)
-
-	for f := 0; f < rint.NumField(); f++ {
-		field := rint.Type().Field(f)
-		requiredPerm := api.Permission(field.Tag.Get("perm"))
-		if requiredPerm == "" {
-			panic("missing 'perm' tag on " + field.Name) // ok
-		}
-
-		// Validate perm tag
-		ok := false
-		for _, perm := range AllPermissions {
-			if requiredPerm == perm {
-				ok = true
-				break
-			}
-		}
-		if !ok {
-			panic("unknown 'perm' tag on " + field.Name) // ok
-		}
-
-		fn := ra.MethodByName(field.Name)
-
-		rint.Field(f).Set(reflect.MakeFunc(field.Type, func(args []reflect.Value) (results []reflect.Value) {
-			ctx := args[0].Interface().(context.Context)
-			if HasPerm(ctx, requiredPerm) {
-				return fn.Call(args)
-			}
-
-			err := xerrors.Errorf("missing permission to invoke '%s' (need '%s')", field.Name, requiredPerm)
-			rerr := reflect.ValueOf(&err).Elem()
-
-			if field.Type.NumOut() == 2 {
-				return []reflect.Value{
-					reflect.Zero(field.Type.Out(0)),
-					rerr,
-				}
-			} else {
-				return []reflect.Value{rerr}
-			}
-		}))
-
-	}
+func PermissionedWorkerAPI(a api.WorkerAPI) api.WorkerAPI {
+	var out WorkerStruct
+	auth.PermissionedProxy(AllPermissions, DefaultPerms, a, &out.Internal)
+	return &out
 }
@@ -2,18 +2,30 @@ package apistruct

 import (
 	"context"
-
-	sectorbuilder "github.com/filecoin-project/go-sectorbuilder"
+	"io"

 	"github.com/ipfs/go-cid"
 	"github.com/libp2p/go-libp2p-core/network"
 	"github.com/libp2p/go-libp2p-core/peer"

 	"github.com/filecoin-project/go-address"
+	"github.com/filecoin-project/go-fil-markets/storagemarket"
+	"github.com/filecoin-project/go-jsonrpc/auth"
+
+	"github.com/filecoin-project/sector-storage/sealtasks"
+	"github.com/filecoin-project/sector-storage/stores"
+	"github.com/filecoin-project/sector-storage/storiface"
+	"github.com/filecoin-project/specs-actors/actors/abi"
+	"github.com/filecoin-project/specs-actors/actors/abi/big"
+	"github.com/filecoin-project/specs-actors/actors/builtin/miner"
+	"github.com/filecoin-project/specs-actors/actors/builtin/paych"
+	"github.com/filecoin-project/specs-actors/actors/crypto"
+	"github.com/filecoin-project/specs-storage/storage"
+
 	"github.com/filecoin-project/lotus/api"
-	"github.com/filecoin-project/lotus/chain/actors"
-	"github.com/filecoin-project/lotus/chain/store"
+	"github.com/filecoin-project/lotus/build"
 	"github.com/filecoin-project/lotus/chain/types"
+	"github.com/filecoin-project/lotus/node/modules/dtypes"
 )

 // All permissions are listed in permissioned.go
@@ -21,17 +33,22 @@ var _ = AllPermissions

 type CommonStruct struct {
 	Internal struct {
-		AuthVerify func(ctx context.Context, token string) ([]api.Permission, error) `perm:"read"`
-		AuthNew    func(ctx context.Context, perms []api.Permission) ([]byte, error) `perm:"admin"`
+		AuthVerify func(ctx context.Context, token string) ([]auth.Permission, error) `perm:"read"`
+		AuthNew    func(ctx context.Context, perms []auth.Permission) ([]byte, error) `perm:"admin"`

 		NetConnectedness func(context.Context, peer.ID) (network.Connectedness, error) `perm:"read"`
 		NetPeers         func(context.Context) ([]peer.AddrInfo, error)                `perm:"read"`
 		NetConnect       func(context.Context, peer.AddrInfo) error                    `perm:"write"`
 		NetAddrsListen   func(context.Context) (peer.AddrInfo, error)                  `perm:"read"`
 		NetDisconnect    func(context.Context, peer.ID) error                          `perm:"write"`
+		NetFindPeer      func(context.Context, peer.ID) (peer.AddrInfo, error)         `perm:"read"`
+		NetPubsubScores  func(context.Context) ([]api.PubsubScore, error)              `perm:"read"`

 		ID      func(context.Context) (peer.ID, error)     `perm:"read"`
 		Version func(context.Context) (api.Version, error) `perm:"read"`
+
+		LogList     func(context.Context) ([]string, error)     `perm:"write"`
+		LogSetLevel func(context.Context, string, string) error `perm:"write"`
 	}
 }

@@ -40,84 +57,108 @@ type FullNodeStruct struct {
 	CommonStruct

 	Internal struct {
-		ChainNotify            func(context.Context) (<-chan []*store.HeadChange, error)                            `perm:"read"`
-		ChainHead              func(context.Context) (*types.TipSet, error)                                         `perm:"read"`
-		ChainGetRandomness     func(context.Context, types.TipSetKey, int64) ([]byte, error)                        `perm:"read"`
-		ChainGetBlock          func(context.Context, cid.Cid) (*types.BlockHeader, error)                           `perm:"read"`
-		ChainGetTipSet         func(context.Context, types.TipSetKey) (*types.TipSet, error)                        `perm:"read"`
-		ChainGetBlockMessages  func(context.Context, cid.Cid) (*api.BlockMessages, error)                           `perm:"read"`
-		ChainGetParentReceipts func(context.Context, cid.Cid) ([]*types.MessageReceipt, error)                      `perm:"read"`
-		ChainGetParentMessages func(context.Context, cid.Cid) ([]api.Message, error)                                `perm:"read"`
-		ChainGetTipSetByHeight func(context.Context, uint64, *types.TipSet) (*types.TipSet, error)                  `perm:"read"`
-		ChainReadObj           func(context.Context, cid.Cid) ([]byte, error)                                       `perm:"read"`
-		ChainSetHead           func(context.Context, *types.TipSet) error                                           `perm:"admin"`
-		ChainGetGenesis        func(context.Context) (*types.TipSet, error)                                         `perm:"read"`
-		ChainTipSetWeight      func(context.Context, *types.TipSet) (types.BigInt, error)                           `perm:"read"`
-		ChainGetNode           func(ctx context.Context, p string) (interface{}, error)                             `perm:"read"`
-		ChainGetMessage        func(context.Context, cid.Cid) (*types.Message, error)                               `perm:"read"`
-		ChainGetPath           func(context.Context, types.TipSetKey, types.TipSetKey) ([]*store.HeadChange, error) `perm:"read"`
+		ChainNotify            func(context.Context) (<-chan []*api.HeadChange, error)                                                            `perm:"read"`
+		ChainHead              func(context.Context) (*types.TipSet, error)                                                                       `perm:"read"`
+		ChainGetRandomness     func(context.Context, types.TipSetKey, crypto.DomainSeparationTag, abi.ChainEpoch, []byte) (abi.Randomness, error) `perm:"read"`
+		ChainGetBlock          func(context.Context, cid.Cid) (*types.BlockHeader, error)                                                         `perm:"read"`
+		ChainGetTipSet         func(context.Context, types.TipSetKey) (*types.TipSet, error)                                                      `perm:"read"`
+		ChainGetBlockMessages  func(context.Context, cid.Cid) (*api.BlockMessages, error)                                                         `perm:"read"`
+		ChainGetParentReceipts func(context.Context, cid.Cid) ([]*types.MessageReceipt, error)                                                    `perm:"read"`
+		ChainGetParentMessages func(context.Context, cid.Cid) ([]api.Message, error)                                                              `perm:"read"`
+		ChainGetTipSetByHeight func(context.Context, abi.ChainEpoch, types.TipSetKey) (*types.TipSet, error)                                      `perm:"read"`
+		ChainReadObj           func(context.Context, cid.Cid) ([]byte, error)                                                                     `perm:"read"`
+		ChainHasObj            func(context.Context, cid.Cid) (bool, error)                                                                       `perm:"read"`
+		ChainStatObj           func(context.Context, cid.Cid, cid.Cid) (api.ObjStat, error)                                                       `perm:"read"`
+		ChainSetHead           func(context.Context, types.TipSetKey) error                                                                       `perm:"admin"`
+		ChainGetGenesis        func(context.Context) (*types.TipSet, error)                                                                       `perm:"read"`
+		ChainTipSetWeight      func(context.Context, types.TipSetKey) (types.BigInt, error)                                                       `perm:"read"`
+		ChainGetNode           func(ctx context.Context, p string) (*api.IpldObject, error)                                                       `perm:"read"`
+		ChainGetMessage        func(context.Context, cid.Cid) (*types.Message, error)                                                             `perm:"read"`
+		ChainGetPath           func(context.Context, types.TipSetKey, types.TipSetKey) ([]*api.HeadChange, error)                                 `perm:"read"`
+		ChainExport            func(context.Context, types.TipSetKey) (<-chan []byte, error)                                                      `perm:"read"`

 		SyncState          func(context.Context) (*api.SyncState, error)                `perm:"read"`
 		SyncSubmitBlock    func(ctx context.Context, blk *types.BlockMsg) error         `perm:"write"`
 		SyncIncomingBlocks func(ctx context.Context) (<-chan *types.BlockHeader, error) `perm:"read"`
 		SyncMarkBad        func(ctx context.Context, bcid cid.Cid) error                `perm:"admin"`
+		SyncCheckBad       func(ctx context.Context, bcid cid.Cid) (string, error)      `perm:"read"`

-		MpoolPending     func(context.Context, *types.TipSet) ([]*types.SignedMessage, error) `perm:"read"`
-		MpoolPush        func(context.Context, *types.SignedMessage) (cid.Cid, error)         `perm:"write"`
-		MpoolPushMessage func(context.Context, *types.Message) (*types.SignedMessage, error)  `perm:"sign"`
-		MpoolGetNonce    func(context.Context, address.Address) (uint64, error)               `perm:"read"`
-		MpoolSub         func(context.Context) (<-chan api.MpoolUpdate, error)                `perm:"read"`
+		MpoolPending          func(context.Context, types.TipSetKey) ([]*types.SignedMessage, error)                       `perm:"read"`
+		MpoolPush             func(context.Context, *types.SignedMessage) (cid.Cid, error)                                 `perm:"write"`
+		MpoolPushMessage      func(context.Context, *types.Message) (*types.SignedMessage, error)                          `perm:"sign"`
+		MpoolGetNonce         func(context.Context, address.Address) (uint64, error)                                       `perm:"read"`
+		MpoolSub              func(context.Context) (<-chan api.MpoolUpdate, error)                                        `perm:"read"`
+		MpoolEstimateGasPrice func(context.Context, uint64, address.Address, int64, types.TipSetKey) (types.BigInt, error) `perm:"read"`

-		MinerCreateBlock func(context.Context, address.Address, *types.TipSet, *types.Ticket, *types.EPostProof, []*types.SignedMessage, uint64, uint64) (*types.BlockMsg, error) `perm:"write"`
+		MinerGetBaseInfo func(context.Context, address.Address, abi.ChainEpoch, types.TipSetKey) (*api.MiningBaseInfo, error) `perm:"read"`
+		MinerCreateBlock func(context.Context, *api.BlockTemplate) (*types.BlockMsg, error)                                   `perm:"write"`

-		WalletNew            func(context.Context, string) (address.Address, error)                               `perm:"write"`
+		WalletNew            func(context.Context, crypto.SigType) (address.Address, error)                       `perm:"write"`
 		WalletHas            func(context.Context, address.Address) (bool, error)                                 `perm:"write"`
 		WalletList           func(context.Context) ([]address.Address, error)                                     `perm:"write"`
 		WalletBalance        func(context.Context, address.Address) (types.BigInt, error)                         `perm:"read"`
-		WalletSign           func(context.Context, address.Address, []byte) (*types.Signature, error)             `perm:"sign"`
+		WalletSign           func(context.Context, address.Address, []byte) (*crypto.Signature, error)            `perm:"sign"`
 		WalletSignMessage    func(context.Context, address.Address, *types.Message) (*types.SignedMessage, error) `perm:"sign"`
+		WalletVerify         func(context.Context, address.Address, []byte, *crypto.Signature) bool               `perm:"read"`
 		WalletDefaultAddress func(context.Context) (address.Address, error)                                       `perm:"write"`
 		WalletSetDefault     func(context.Context, address.Address) error                                         `perm:"admin"`
 		WalletExport         func(context.Context, address.Address) (*types.KeyInfo, error)                       `perm:"admin"`
 		WalletImport         func(context.Context, *types.KeyInfo) (address.Address, error)                       `perm:"admin"`

-		ClientImport      func(ctx context.Context, path string) (cid.Cid, error)                                                                                           `perm:"admin"`
-		ClientListImports func(ctx context.Context) ([]api.Import, error)                                                                                                   `perm:"write"`
-		ClientHasLocal    func(ctx context.Context, root cid.Cid) (bool, error)                                                                                             `perm:"write"`
-		ClientFindData    func(ctx context.Context, root cid.Cid) ([]api.QueryOffer, error)                                                                                 `perm:"read"`
-		ClientStartDeal   func(ctx context.Context, data cid.Cid, addr address.Address, miner address.Address, price types.BigInt, blocksDuration uint64) (*cid.Cid, error) `perm:"admin"`
-		ClientGetDealInfo func(context.Context, cid.Cid) (*api.DealInfo, error)                                                                                             `perm:"read"`
-		ClientListDeals   func(ctx context.Context) ([]api.DealInfo, error)                                                                                                 `perm:"write"`
-		ClientRetrieve    func(ctx context.Context, order api.RetrievalOrder, path string) error                                                                            `perm:"admin"`
-		ClientQueryAsk    func(ctx context.Context, p peer.ID, miner address.Address) (*types.SignedStorageAsk, error)                                                      `perm:"read"`
+		ClientImport      func(ctx context.Context, ref api.FileRef) (cid.Cid, error)                                          `perm:"admin"`
+		ClientListImports func(ctx context.Context) ([]api.Import, error)                                                      `perm:"write"`
+		ClientHasLocal    func(ctx context.Context, root cid.Cid) (bool, error)                                                `perm:"write"`
+		ClientFindData    func(ctx context.Context, root cid.Cid) ([]api.QueryOffer, error)                                    `perm:"read"`
+		ClientStartDeal   func(ctx context.Context, params *api.StartDealParams) (*cid.Cid, error)                             `perm:"admin"`
+		ClientGetDealInfo func(context.Context, cid.Cid) (*api.DealInfo, error)                                                `perm:"read"`
+		ClientListDeals   func(ctx context.Context) ([]api.DealInfo, error)                                                    `perm:"write"`
+		ClientRetrieve    func(ctx context.Context, order api.RetrievalOrder, ref *api.FileRef) error                          `perm:"admin"`
+		ClientQueryAsk    func(ctx context.Context, p peer.ID, miner address.Address) (*storagemarket.SignedStorageAsk, error) `perm:"read"`
+		ClientCalcCommP   func(ctx context.Context, inpath string, miner address.Address) (*api.CommPRet, error)               `perm:"read"`
+		ClientGenCar      func(ctx context.Context, ref api.FileRef, outpath string) error                                     `perm:"write"`

-		StateMinerSectors             func(context.Context, address.Address, *types.TipSet) ([]*api.ChainSectorInfo, error)             `perm:"read"`
-		StateMinerProvingSet          func(context.Context, address.Address, *types.TipSet) ([]*api.ChainSectorInfo, error)             `perm:"read"`
-		StateMinerPower               func(context.Context, address.Address, *types.TipSet) (api.MinerPower, error)                     `perm:"read"`
-		StateMinerWorker              func(context.Context, address.Address, *types.TipSet) (address.Address, error)                    `perm:"read"`
-		StateMinerPeerID              func(ctx context.Context, m address.Address, ts *types.TipSet) (peer.ID, error)                   `perm:"read"`
-		StateMinerElectionPeriodStart func(ctx context.Context, actor address.Address, ts *types.TipSet) (uint64, error)                `perm:"read"`
-		StateMinerSectorSize          func(context.Context, address.Address, *types.TipSet) (uint64, error)                             `perm:"read"`
-		StateCall                     func(context.Context, *types.Message, *types.TipSet) (*types.MessageReceipt, error)               `perm:"read"`
-		StateReplay                   func(context.Context, *types.TipSet, cid.Cid) (*api.ReplayResults, error)                         `perm:"read"`
-		StateGetActor                 func(context.Context, address.Address, *types.TipSet) (*types.Actor, error)                       `perm:"read"`
-		StateReadState                func(context.Context, *types.Actor, *types.TipSet) (*api.ActorState, error)                       `perm:"read"`
-		StatePledgeCollateral         func(context.Context, *types.TipSet) (types.BigInt, error)                                        `perm:"read"`
-		StateWaitMsg                  func(context.Context, cid.Cid) (*api.MsgWait, error)                                              `perm:"read"`
-		StateListMiners               func(context.Context, *types.TipSet) ([]address.Address, error)                                   `perm:"read"`
-		StateListActors               func(context.Context, *types.TipSet) ([]address.Address, error)                                   `perm:"read"`
-		StateMarketBalance            func(context.Context, address.Address, *types.TipSet) (actors.StorageParticipantBalance, error)   `perm:"read"`
-		StateMarketParticipants       func(context.Context, *types.TipSet) (map[string]actors.StorageParticipantBalance, error)         `perm:"read"`
-		StateMarketDeals              func(context.Context, *types.TipSet) (map[string]actors.OnChainDeal, error)                       `perm:"read"`
-		StateMarketStorageDeal        func(context.Context, uint64, *types.TipSet) (*actors.OnChainDeal, error)                         `perm:"read"`
-		StateLookupID                 func(ctx context.Context, addr address.Address, ts *types.TipSet) (address.Address, error)        `perm:"read"`
-		StateChangedActors            func(context.Context, cid.Cid, cid.Cid) (map[string]types.Actor, error)                           `perm:"read"`
-		StateGetReceipt               func(context.Context, cid.Cid, *types.TipSet) (*types.MessageReceipt, error)                      `perm:"read"`
-		StateMinerSectorCount         func(context.Context, address.Address, *types.TipSet) (api.MinerSectors, error)                   `perm:"read"`
-		StateListMessages             func(ctx context.Context, match *types.Message, ts *types.TipSet, toht uint64) ([]cid.Cid, error) `perm:"read"`
-		StateCompute                  func(context.Context, uint64, []*types.Message, *types.TipSet) (cid.Cid, error)                   `perm:"read"`
+		StateNetworkName                  func(context.Context) (dtypes.NetworkName, error)                                                                   `perm:"read"`
+		StateMinerSectors                 func(context.Context, address.Address, *abi.BitField, bool, types.TipSetKey) ([]*api.ChainSectorInfo, error)        `perm:"read"`
+		StateMinerProvingSet              func(context.Context, address.Address, types.TipSetKey) ([]*api.ChainSectorInfo, error)                             `perm:"read"`
+		StateMinerProvingDeadline         func(context.Context, address.Address, types.TipSetKey) (*miner.DeadlineInfo, error)                                `perm:"read"`
+		StateMinerPower                   func(context.Context, address.Address, types.TipSetKey) (*api.MinerPower, error)                                    `perm:"read"`
+		StateMinerInfo                    func(context.Context, address.Address, types.TipSetKey) (miner.MinerInfo, error)                                    `perm:"read"`
+		StateMinerDeadlines               func(context.Context, address.Address, types.TipSetKey) (*miner.Deadlines, error)                                   `perm:"read"`
+		StateMinerFaults                  func(context.Context, address.Address, types.TipSetKey) (*abi.BitField, error)                                      `perm:"read"`
+		StateAllMinerFaults               func(context.Context, abi.ChainEpoch, types.TipSetKey) ([]*api.Fault, error)                                        `perm:"read"`
+		StateMinerRecoveries              func(context.Context, address.Address, types.TipSetKey) (*abi.BitField, error)                                      `perm:"read"`
+		StateMinerInitialPledgeCollateral func(context.Context, address.Address, abi.SectorNumber, types.TipSetKey) (types.BigInt, error)                     `perm:"read"`
+		StateMinerAvailableBalance        func(context.Context, address.Address, types.TipSetKey) (types.BigInt, error)                                       `perm:"read"`
+		StateSectorPreCommitInfo          func(context.Context, address.Address, abi.SectorNumber, types.TipSetKey) (miner.SectorPreCommitOnChainInfo, error) `perm:"read"`
+		StateSectorGetInfo                func(context.Context, address.Address, abi.SectorNumber, types.TipSetKey) (*miner.SectorOnChainInfo, error)         `perm:"read"`
+		StateCall                         func(context.Context, *types.Message, types.TipSetKey) (*api.InvocResult, error)                                    `perm:"read"`
+		StateReplay                       func(context.Context, types.TipSetKey, cid.Cid) (*api.InvocResult, error)                                           `perm:"read"`
+		StateGetActor                     func(context.Context, address.Address, types.TipSetKey) (*types.Actor, error)                                       `perm:"read"`
+		StateReadState                    func(context.Context, *types.Actor, types.TipSetKey) (*api.ActorState, error)                                       `perm:"read"`
+		StatePledgeCollateral             func(context.Context, types.TipSetKey) (types.BigInt, error)                                                        `perm:"read"`
+		StateWaitMsg                      func(ctx context.Context, cid cid.Cid, confidence uint64) (*api.MsgLookup, error)                                   `perm:"read"`
+		StateSearchMsg                    func(context.Context, cid.Cid) (*api.MsgLookup, error)                                                              `perm:"read"`
+		StateListMiners                   func(context.Context, types.TipSetKey) ([]address.Address, error)                                                   `perm:"read"`
+		StateListActors                   func(context.Context, types.TipSetKey) ([]address.Address, error)                                                   `perm:"read"`
+		StateMarketBalance                func(context.Context, address.Address, types.TipSetKey) (api.MarketBalance, error)                                  `perm:"read"`
+		StateMarketParticipants           func(context.Context, types.TipSetKey) (map[string]api.MarketBalance, error)                                        `perm:"read"`
+		StateMarketDeals                  func(context.Context, types.TipSetKey) (map[string]api.MarketDeal, error)                                           `perm:"read"`
+		StateMarketStorageDeal            func(context.Context, abi.DealID, types.TipSetKey) (*api.MarketDeal, error)                                         `perm:"read"`
+		StateLookupID                     func(ctx context.Context, addr address.Address, tsk types.TipSetKey) (address.Address, error)                       `perm:"read"`
+		StateAccountKey                   func(context.Context, address.Address, types.TipSetKey) (address.Address, error)                                    `perm:"read"`
+		StateChangedActors                func(context.Context, cid.Cid, cid.Cid) (map[string]types.Actor, error)                                             `perm:"read"`
+		StateGetReceipt                   func(context.Context, cid.Cid, types.TipSetKey) (*types.MessageReceipt, error)                                      `perm:"read"`
+		StateMinerSectorCount             func(context.Context, address.Address, types.TipSetKey) (api.MinerSectors, error)                                   `perm:"read"`
+		StateListMessages                 func(ctx context.Context, match *types.Message, tsk types.TipSetKey, toht abi.ChainEpoch) ([]cid.Cid, error)        `perm:"read"`
+		StateCompute                      func(context.Context, abi.ChainEpoch, []*types.Message, types.TipSetKey) (*api.ComputeStateOutput, error)           `perm:"read"`

-		MarketEnsureAvailable func(context.Context, address.Address, types.BigInt) error `perm:"sign"`
+		MsigGetAvailableBalance func(context.Context, address.Address, types.TipSetKey) (types.BigInt, error)                                                                    `perm:"read"`
+		MsigCreate              func(context.Context, int64, []address.Address, types.BigInt, address.Address, types.BigInt) (cid.Cid, error)                                    `perm:"sign"`
+		MsigPropose             func(context.Context, address.Address, address.Address, types.BigInt, address.Address, uint64, []byte) (cid.Cid, error)                          `perm:"sign"`
+		MsigApprove             func(context.Context, address.Address, uint64, address.Address, address.Address, types.BigInt, address.Address, uint64, []byte) (cid.Cid, error) `perm:"sign"`
+		MsigCancel              func(context.Context, address.Address, uint64, address.Address, address.Address, types.BigInt, address.Address, uint64, []byte) (cid.Cid, error) `perm:"sign"`
+
+		MarketEnsureAvailable func(context.Context, address.Address, address.Address, types.BigInt) (cid.Cid, error) `perm:"sign"`

 		PaychGet                   func(ctx context.Context, from, to address.Address, ensureFunds types.BigInt) (*api.ChannelInfo, error)   `perm:"sign"`
 		PaychList                  func(context.Context) ([]address.Address, error)                                                          `perm:"read"`
@@ -125,49 +166,100 @@ type FullNodeStruct struct {
 		PaychClose                 func(context.Context, address.Address) (cid.Cid, error)                                                   `perm:"sign"`
 		PaychAllocateLane          func(context.Context, address.Address) (uint64, error)                                                    `perm:"sign"`
 		PaychNewPayment            func(ctx context.Context, from, to address.Address, vouchers []api.VoucherSpec) (*api.PaymentInfo, error) `perm:"sign"`
-		PaychVoucherCheck          func(context.Context, *types.SignedVoucher) error                                                         `perm:"read"`
-		PaychVoucherCheckValid     func(context.Context, address.Address, *types.SignedVoucher) error                                        `perm:"read"`
-		PaychVoucherCheckSpendable func(context.Context, address.Address, *types.SignedVoucher, []byte, []byte) (bool, error)                `perm:"read"`
-		PaychVoucherAdd            func(context.Context, address.Address, *types.SignedVoucher, []byte, types.BigInt) (types.BigInt, error)  `perm:"write"`
-		PaychVoucherCreate         func(context.Context, address.Address, types.BigInt, uint64) (*types.SignedVoucher, error)                `perm:"sign"`
-		PaychVoucherList           func(context.Context, address.Address) ([]*types.SignedVoucher, error)                                    `perm:"write"`
-		PaychVoucherSubmit         func(context.Context, address.Address, *types.SignedVoucher) (cid.Cid, error)                             `perm:"sign"`
+		PaychVoucherCheck          func(context.Context, *paych.SignedVoucher) error                                                         `perm:"read"`
+		PaychVoucherCheckValid     func(context.Context, address.Address, *paych.SignedVoucher) error                                        `perm:"read"`
+		PaychVoucherCheckSpendable func(context.Context, address.Address, *paych.SignedVoucher, []byte, []byte) (bool, error)                `perm:"read"`
+		PaychVoucherAdd            func(context.Context, address.Address, *paych.SignedVoucher, []byte, types.BigInt) (types.BigInt, error)  `perm:"write"`
+		PaychVoucherCreate         func(context.Context, address.Address, big.Int, uint64) (*paych.SignedVoucher, error)                     `perm:"sign"`
+		PaychVoucherList           func(context.Context, address.Address) ([]*paych.SignedVoucher, error)                                    `perm:"write"`
+		PaychVoucherSubmit         func(context.Context, address.Address, *paych.SignedVoucher) (cid.Cid, error)                             `perm:"sign"`
 	}
 }

-func (c *FullNodeStruct) StateMinerSectorCount(ctx context.Context, addr address.Address, ts *types.TipSet) (api.MinerSectors, error) {
-	return c.Internal.StateMinerSectorCount(ctx, addr, ts)
+func (c *FullNodeStruct) StateMinerSectorCount(ctx context.Context, addr address.Address, tsk types.TipSetKey) (api.MinerSectors, error) {
+	return c.Internal.StateMinerSectorCount(ctx, addr, tsk)
 }

 type StorageMinerStruct struct {
 	CommonStruct

 	Internal struct {
-		ActorAddress    func(context.Context) (address.Address, error)         `perm:"read"`
-		ActorSectorSize func(context.Context, address.Address) (uint64, error) `perm:"read"`
+		ActorAddress    func(context.Context) (address.Address, error)                 `perm:"read"`
+		ActorSectorSize func(context.Context, address.Address) (abi.SectorSize, error) `perm:"read"`
+
+		MiningBase func(context.Context) (*types.TipSet, error) `perm:"read"`
+
+		MarketImportDealData      func(context.Context, cid.Cid, string) error                   `perm:"write"`
+		MarketListDeals           func(ctx context.Context) ([]storagemarket.StorageDeal, error) `perm:"read"`
+		MarketListIncompleteDeals func(ctx context.Context) ([]storagemarket.MinerDeal, error)   `perm:"read"`
+		MarketSetPrice            func(context.Context, types.BigInt) error                      `perm:"admin"`

 		PledgeSector func(context.Context) error `perm:"write"`

-		SectorsStatus func(context.Context, uint64) (api.SectorInfo, error)     `perm:"read"`
-		SectorsList   func(context.Context) ([]uint64, error)                   `perm:"read"`
-		SectorsRefs   func(context.Context) (map[string][]api.SealedRef, error) `perm:"read"`
-		SectorsUpdate func(context.Context, uint64, api.SectorState) error      `perm:"write"`
+		SectorsStatus func(context.Context, abi.SectorNumber) (api.SectorInfo, error) `perm:"read"`
+		SectorsList   func(context.Context) ([]abi.SectorNumber, error)               `perm:"read"`
+		SectorsRefs   func(context.Context) (map[string][]api.SealedRef, error)       `perm:"read"`
+		SectorsUpdate func(context.Context, abi.SectorNumber, api.SectorState) error  `perm:"write"`

-		WorkerStats func(context.Context) (sectorbuilder.WorkerStats, error) `perm:"read"`
+		WorkerConnect func(context.Context, string) error                             `perm:"admin"` // TODO: worker perm
+		WorkerStats   func(context.Context) (map[uint64]storiface.WorkerStats, error) `perm:"admin"`

-		WorkerQueue func(ctx context.Context, cfg sectorbuilder.WorkerCfg) (<-chan sectorbuilder.WorkerTask, error) `perm:"admin"` // TODO: worker perm
-		WorkerDone  func(ctx context.Context, task uint64, res sectorbuilder.SealRes) error                         `perm:"admin"`
+		StorageList          func(context.Context) (map[stores.ID][]stores.Decl, error)                                                                                `perm:"admin"`
+		StorageLocal         func(context.Context) (map[stores.ID]string, error)                                                                                       `perm:"admin"`
+		StorageStat          func(context.Context, stores.ID) (stores.FsStat, error)                                                                                   `perm:"admin"`
+		StorageAttach        func(context.Context, stores.StorageInfo, stores.FsStat) error                                                                            `perm:"admin"`
+		StorageDeclareSector func(context.Context, stores.ID, abi.SectorID, stores.SectorFileType, bool) error                                                         `perm:"admin"`
+		StorageDropSector    func(context.Context, stores.ID, abi.SectorID, stores.SectorFileType) error                                                               `perm:"admin"`
+		StorageFindSector    func(context.Context, abi.SectorID, stores.SectorFileType, bool) ([]stores.SectorStorageInfo, error)                                      `perm:"admin"`
+		StorageInfo          func(context.Context, stores.ID) (stores.StorageInfo, error)                                                                              `perm:"admin"`
+		StorageBestAlloc     func(ctx context.Context, allocate stores.SectorFileType, spt abi.RegisteredProof, sealing stores.PathType) ([]stores.StorageInfo, error) `perm:"admin"`
+		StorageReportHealth  func(ctx context.Context, id stores.ID, report stores.HealthReport) error                                                                 `perm:"admin"`
+
+		DealsImportData func(ctx context.Context, dealPropCid cid.Cid, file string) error `perm:"write"`
+		DealsList       func(ctx context.Context) ([]storagemarket.StorageDeal, error)    `perm:"read"`
+
+		StorageAddLocal func(ctx context.Context, path string) error `perm:"admin"`
 	}
 }

-func (c *CommonStruct) AuthVerify(ctx context.Context, token string) ([]api.Permission, error) {
+type WorkerStruct struct {
+	Internal struct {
+		// TODO: lower perms
+
+		Version func(context.Context) (build.Version, error) `perm:"admin"`
+
+		TaskTypes func(context.Context) (map[sealtasks.TaskType]struct{}, error) `perm:"admin"`
+		Paths     func(context.Context) ([]stores.StoragePath, error)            `perm:"admin"`
+		Info      func(context.Context) (storiface.WorkerInfo, error)            `perm:"admin"`
+
+		SealPreCommit1 func(ctx context.Context, sector abi.SectorID, ticket abi.SealRandomness, pieces []abi.PieceInfo) (storage.PreCommit1Out, error)                                                           `perm:"admin"`
+		SealPreCommit2 func(context.Context, abi.SectorID, storage.PreCommit1Out) (cids storage.SectorCids, err error)                                                                                            `perm:"admin"`
+		SealCommit1    func(ctx context.Context, sector abi.SectorID, ticket abi.SealRandomness, seed abi.InteractiveSealRandomness, pieces []abi.PieceInfo, cids storage.SectorCids) (storage.Commit1Out, error) `perm:"admin"`
+		SealCommit2    func(context.Context, abi.SectorID, storage.Commit1Out) (storage.Proof, error)                                                                                                             `perm:"admin"`
+		FinalizeSector func(context.Context, abi.SectorID) error                                                                                                                                                  `perm:"admin"`
+
+		UnsealPiece func(context.Context, abi.SectorID, storiface.UnpaddedByteIndex, abi.UnpaddedPieceSize, abi.SealRandomness, cid.Cid) error `perm:"admin"`
+		ReadPiece   func(context.Context, io.Writer, abi.SectorID, storiface.UnpaddedByteIndex, abi.UnpaddedPieceSize) error                   `perm:"admin"`
+
+		Fetch func(context.Context, abi.SectorID, stores.SectorFileType, bool, stores.AcquireMode) error `perm:"admin"`
+
+		Closing func(context.Context) (<-chan struct{}, error) `perm:"admin"`
+	}
+}
+
+// CommonStruct
+
+func (c *CommonStruct) AuthVerify(ctx context.Context, token string) ([]auth.Permission, error) {
 	return c.Internal.AuthVerify(ctx, token)
 }

-func (c *CommonStruct) AuthNew(ctx context.Context, perms []api.Permission) ([]byte, error) {
+func (c *CommonStruct) AuthNew(ctx context.Context, perms []auth.Permission) ([]byte, error) {
 	return c.Internal.AuthNew(ctx, perms)
 }

+func (c *CommonStruct) NetPubsubScores(ctx context.Context) ([]api.PubsubScore, error) {
+	return c.Internal.NetPubsubScores(ctx)
+}
 func (c *CommonStruct) NetConnectedness(ctx context.Context, pid peer.ID) (network.Connectedness, error) {
 	return c.Internal.NetConnectedness(ctx, pid)
 }
@@ -188,6 +280,10 @@ func (c *CommonStruct) NetDisconnect(ctx context.Context, p peer.ID) error {
 	return c.Internal.NetDisconnect(ctx, p)
 }

+func (c *CommonStruct) NetFindPeer(ctx context.Context, p peer.ID) (peer.AddrInfo, error) {
+	return c.Internal.NetFindPeer(ctx, p)
+}
+
 // ID implements API.ID
 func (c *CommonStruct) ID(ctx context.Context) (peer.ID, error) {
 	return c.Internal.ID(ctx)
@@ -198,12 +294,22 @@ func (c *CommonStruct) Version(ctx context.Context) (api.Version, error) {
 	return c.Internal.Version(ctx)
 }

+func (c *CommonStruct) LogList(ctx context.Context) ([]string, error) {
+	return c.Internal.LogList(ctx)
+}
+
+func (c *CommonStruct) LogSetLevel(ctx context.Context, group, level string) error {
+	return c.Internal.LogSetLevel(ctx, group, level)
+}
+
+// FullNodeStruct
+
 func (c *FullNodeStruct) ClientListImports(ctx context.Context) ([]api.Import, error) {
 	return c.Internal.ClientListImports(ctx)
 }

-func (c *FullNodeStruct) ClientImport(ctx context.Context, path string) (cid.Cid, error) {
-	return c.Internal.ClientImport(ctx, path)
+func (c *FullNodeStruct) ClientImport(ctx context.Context, ref api.FileRef) (cid.Cid, error) {
+	return c.Internal.ClientImport(ctx, ref)
 }

 func (c *FullNodeStruct) ClientHasLocal(ctx context.Context, root cid.Cid) (bool, error) {
@@ -214,8 +320,8 @@ func (c *FullNodeStruct) ClientFindData(ctx context.Context, root cid.Cid) ([]ap
 	return c.Internal.ClientFindData(ctx, root)
 }

-func (c *FullNodeStruct) ClientStartDeal(ctx context.Context, data cid.Cid, addr address.Address, miner address.Address, price types.BigInt, blocksDuration uint64) (*cid.Cid, error) {
-	return c.Internal.ClientStartDeal(ctx, data, addr, miner, price, blocksDuration)
+func (c *FullNodeStruct) ClientStartDeal(ctx context.Context, params *api.StartDealParams) (*cid.Cid, error) {
+	return c.Internal.ClientStartDeal(ctx, params)
 }
 func (c *FullNodeStruct) ClientGetDealInfo(ctx context.Context, deal cid.Cid) (*api.DealInfo, error) {
 	return c.Internal.ClientGetDealInfo(ctx, deal)
@@ -225,16 +331,23 @@ func (c *FullNodeStruct) ClientListDeals(ctx context.Context) ([]api.DealInfo, e
 	return c.Internal.ClientListDeals(ctx)
 }

-func (c *FullNodeStruct) ClientRetrieve(ctx context.Context, order api.RetrievalOrder, path string) error {
-	return c.Internal.ClientRetrieve(ctx, order, path)
+func (c *FullNodeStruct) ClientRetrieve(ctx context.Context, order api.RetrievalOrder, ref *api.FileRef) error {
+	return c.Internal.ClientRetrieve(ctx, order, ref)
 }

-func (c *FullNodeStruct) ClientQueryAsk(ctx context.Context, p peer.ID, miner address.Address) (*types.SignedStorageAsk, error) {
+func (c *FullNodeStruct) ClientQueryAsk(ctx context.Context, p peer.ID, miner address.Address) (*storagemarket.SignedStorageAsk, error) {
 	return c.Internal.ClientQueryAsk(ctx, p, miner)
 }
+func (c *FullNodeStruct) ClientCalcCommP(ctx context.Context, inpath string, miner address.Address) (*api.CommPRet, error) {
+	return c.Internal.ClientCalcCommP(ctx, inpath, miner)
+}

-func (c *FullNodeStruct) MpoolPending(ctx context.Context, ts *types.TipSet) ([]*types.SignedMessage, error) {
-	return c.Internal.MpoolPending(ctx, ts)
+func (c *FullNodeStruct) ClientGenCar(ctx context.Context, ref api.FileRef, outpath string) error {
+	return c.Internal.ClientGenCar(ctx, ref, outpath)
+}
+
+func (c *FullNodeStruct) MpoolPending(ctx context.Context, tsk types.TipSetKey) ([]*types.SignedMessage, error) {
+	return c.Internal.MpoolPending(ctx, tsk)
 }

 func (c *FullNodeStruct) MpoolPush(ctx context.Context, smsg *types.SignedMessage) (cid.Cid, error) {
@@ -249,23 +362,31 @@ func (c *FullNodeStruct) MpoolSub(ctx context.Context) (<-chan api.MpoolUpdate,
 	return c.Internal.MpoolSub(ctx)
 }

-func (c *FullNodeStruct) MinerCreateBlock(ctx context.Context, addr address.Address, base *types.TipSet, ticket *types.Ticket, eproof *types.EPostProof, msgs []*types.SignedMessage, height, ts uint64) (*types.BlockMsg, error) {
-	return c.Internal.MinerCreateBlock(ctx, addr, base, ticket, eproof, msgs, height, ts)
+func (c *FullNodeStruct) MpoolEstimateGasPrice(ctx context.Context, nblocksincl uint64, sender address.Address, limit int64, tsk types.TipSetKey) (types.BigInt, error) {
+	return c.Internal.MpoolEstimateGasPrice(ctx, nblocksincl, sender, limit, tsk)
+}
+
+func (c *FullNodeStruct) MinerGetBaseInfo(ctx context.Context, maddr address.Address, epoch abi.ChainEpoch, tsk types.TipSetKey) (*api.MiningBaseInfo, error) {
+	return c.Internal.MinerGetBaseInfo(ctx, maddr, epoch, tsk)
+}
+
+func (c *FullNodeStruct) MinerCreateBlock(ctx context.Context, bt *api.BlockTemplate) (*types.BlockMsg, error) {
+	return c.Internal.MinerCreateBlock(ctx, bt)
 }

 func (c *FullNodeStruct) ChainHead(ctx context.Context) (*types.TipSet, error) {
 	return c.Internal.ChainHead(ctx)
 }

-func (c *FullNodeStruct) ChainGetRandomness(ctx context.Context, pts types.TipSetKey, round int64) ([]byte, error) {
-	return c.Internal.ChainGetRandomness(ctx, pts, round)
+func (c *FullNodeStruct) ChainGetRandomness(ctx context.Context, tsk types.TipSetKey, personalization crypto.DomainSeparationTag, randEpoch abi.ChainEpoch, entropy []byte) (abi.Randomness, error) {
+	return c.Internal.ChainGetRandomness(ctx, tsk, personalization, randEpoch, entropy)
 }

-func (c *FullNodeStruct) ChainGetTipSetByHeight(ctx context.Context, h uint64, ts *types.TipSet) (*types.TipSet, error) {
-	return c.Internal.ChainGetTipSetByHeight(ctx, h, ts)
+func (c *FullNodeStruct) ChainGetTipSetByHeight(ctx context.Context, h abi.ChainEpoch, tsk types.TipSetKey) (*types.TipSet, error) {
+	return c.Internal.ChainGetTipSetByHeight(ctx, h, tsk)
 }

-func (c *FullNodeStruct) WalletNew(ctx context.Context, typ string) (address.Address, error) {
+func (c *FullNodeStruct) WalletNew(ctx context.Context, typ crypto.SigType) (address.Address, error) {
 	return c.Internal.WalletNew(ctx, typ)
 }

@@ -281,7 +402,7 @@ func (c *FullNodeStruct) WalletBalance(ctx context.Context, a address.Address) (
 	return c.Internal.WalletBalance(ctx, a)
 }

-func (c *FullNodeStruct) WalletSign(ctx context.Context, k address.Address, msg []byte) (*types.Signature, error) {
+func (c *FullNodeStruct) WalletSign(ctx context.Context, k address.Address, msg []byte) (*crypto.Signature, error) {
 	return c.Internal.WalletSign(ctx, k, msg)
 }

@@ -289,6 +410,10 @@ func (c *FullNodeStruct) WalletSignMessage(ctx context.Context, k address.Addres
 	return c.Internal.WalletSignMessage(ctx, k, msg)
 }

+func (c *FullNodeStruct) WalletVerify(ctx context.Context, k address.Address, msg []byte, sig *crypto.Signature) bool {
+	return c.Internal.WalletVerify(ctx, k, msg, sig)
+}
+
 func (c *FullNodeStruct) WalletDefaultAddress(ctx context.Context) (address.Address, error) {
 	return c.Internal.WalletDefaultAddress(ctx)
 }
@@ -329,7 +454,7 @@ func (c *FullNodeStruct) ChainGetParentMessages(ctx context.Context, b cid.Cid)
 	return c.Internal.ChainGetParentMessages(ctx, b)
 }

-func (c *FullNodeStruct) ChainNotify(ctx context.Context) (<-chan []*store.HeadChange, error) {
+func (c *FullNodeStruct) ChainNotify(ctx context.Context) (<-chan []*api.HeadChange, error) {
 	return c.Internal.ChainNotify(ctx)
 }

@@ -337,19 +462,27 @@ func (c *FullNodeStruct) ChainReadObj(ctx context.Context, obj cid.Cid) ([]byte,
 	return c.Internal.ChainReadObj(ctx, obj)
 }

-func (c *FullNodeStruct) ChainSetHead(ctx context.Context, ts *types.TipSet) error {
-	return c.Internal.ChainSetHead(ctx, ts)
+func (c *FullNodeStruct) ChainHasObj(ctx context.Context, o cid.Cid) (bool, error) {
+	return c.Internal.ChainHasObj(ctx, o)
+}
+
+func (c *FullNodeStruct) ChainStatObj(ctx context.Context, obj, base cid.Cid) (api.ObjStat, error) {
+	return c.Internal.ChainStatObj(ctx, obj, base)
+}
+
+func (c *FullNodeStruct) ChainSetHead(ctx context.Context, tsk types.TipSetKey) error {
+	return c.Internal.ChainSetHead(ctx, tsk)
 }

 func (c *FullNodeStruct) ChainGetGenesis(ctx context.Context) (*types.TipSet, error) {
 	return c.Internal.ChainGetGenesis(ctx)
 }

-func (c *FullNodeStruct) ChainTipSetWeight(ctx context.Context, ts *types.TipSet) (types.BigInt, error) {
-	return c.Internal.ChainTipSetWeight(ctx, ts)
+func (c *FullNodeStruct) ChainTipSetWeight(ctx context.Context, tsk types.TipSetKey) (types.BigInt, error) {
+	return c.Internal.ChainTipSetWeight(ctx, tsk)
 }

-func (c *FullNodeStruct) ChainGetNode(ctx context.Context, p string) (interface{}, error) {
+func (c *FullNodeStruct) ChainGetNode(ctx context.Context, p string) (*api.IpldObject, error) {
 	return c.Internal.ChainGetNode(ctx, p)
 }

@@ -357,10 +490,14 @@ func (c *FullNodeStruct) ChainGetMessage(ctx context.Context, mc cid.Cid) (*type
 	return c.Internal.ChainGetMessage(ctx, mc)
 }

-func (c *FullNodeStruct) ChainGetPath(ctx context.Context, from types.TipSetKey, to types.TipSetKey) ([]*store.HeadChange, error) {
+func (c *FullNodeStruct) ChainGetPath(ctx context.Context, from types.TipSetKey, to types.TipSetKey) ([]*api.HeadChange, error) {
 	return c.Internal.ChainGetPath(ctx, from, to)
 }

+func (c *FullNodeStruct) ChainExport(ctx context.Context, tsk types.TipSetKey) (<-chan []byte, error) {
+	return c.Internal.ChainExport(ctx, tsk)
+}
+
 func (c *FullNodeStruct) SyncState(ctx context.Context) (*api.SyncState, error) {
 	return c.Internal.SyncState(ctx)
 }
@@ -377,103 +514,164 @@ func (c *FullNodeStruct) SyncMarkBad(ctx context.Context, bcid cid.Cid) error {
 	return c.Internal.SyncMarkBad(ctx, bcid)
 }

-func (c *FullNodeStruct) StateMinerSectors(ctx context.Context, addr address.Address, ts *types.TipSet) ([]*api.ChainSectorInfo, error) {
-	return c.Internal.StateMinerSectors(ctx, addr, ts)
+func (c *FullNodeStruct) SyncCheckBad(ctx context.Context, bcid cid.Cid) (string, error) {
+	return c.Internal.SyncCheckBad(ctx, bcid)
 }

-func (c *FullNodeStruct) StateMinerProvingSet(ctx context.Context, addr address.Address, ts *types.TipSet) ([]*api.ChainSectorInfo, error) {
-	return c.Internal.StateMinerProvingSet(ctx, addr, ts)
+func (c *FullNodeStruct) StateNetworkName(ctx context.Context) (dtypes.NetworkName, error) {
+	return c.Internal.StateNetworkName(ctx)
 }

-func (c *FullNodeStruct) StateMinerPower(ctx context.Context, a address.Address, ts *types.TipSet) (api.MinerPower, error) {
-	return c.Internal.StateMinerPower(ctx, a, ts)
+func (c *FullNodeStruct) StateMinerSectors(ctx context.Context, addr address.Address, filter *abi.BitField, filterOut bool, tsk types.TipSetKey) ([]*api.ChainSectorInfo, error) {
+	return c.Internal.StateMinerSectors(ctx, addr, filter, filterOut, tsk)
 }

-func (c *FullNodeStruct) StateMinerWorker(ctx context.Context, m address.Address, ts *types.TipSet) (address.Address, error) {
-	return c.Internal.StateMinerWorker(ctx, m, ts)
+func (c *FullNodeStruct) StateMinerProvingSet(ctx context.Context, addr address.Address, tsk types.TipSetKey) ([]*api.ChainSectorInfo, error) {
+	return c.Internal.StateMinerProvingSet(ctx, addr, tsk)
 }

-func (c *FullNodeStruct) StateMinerPeerID(ctx context.Context, m address.Address, ts *types.TipSet) (peer.ID, error) {
-	return c.Internal.StateMinerPeerID(ctx, m, ts)
+func (c *FullNodeStruct) StateMinerProvingDeadline(ctx context.Context, addr address.Address, tsk types.TipSetKey) (*miner.DeadlineInfo, error) {
+	return c.Internal.StateMinerProvingDeadline(ctx, addr, tsk)
 }

-func (c *FullNodeStruct) StateMinerElectionPeriodStart(ctx context.Context, actor address.Address, ts *types.TipSet) (uint64, error) {
-	return c.Internal.StateMinerElectionPeriodStart(ctx, actor, ts)
+func (c *FullNodeStruct) StateMinerPower(ctx context.Context, a address.Address, tsk types.TipSetKey) (*api.MinerPower, error) {
+	return c.Internal.StateMinerPower(ctx, a, tsk)
 }

-func (c *FullNodeStruct) StateMinerSectorSize(ctx context.Context, actor address.Address, ts *types.TipSet) (uint64, error) {
-	return c.Internal.StateMinerSectorSize(ctx, actor, ts)
+func (c *FullNodeStruct) StateMinerInfo(ctx context.Context, actor address.Address, tsk types.TipSetKey) (miner.MinerInfo, error) {
+	return c.Internal.StateMinerInfo(ctx, actor, tsk)
 }

-func (c *FullNodeStruct) StateCall(ctx context.Context, msg *types.Message, ts *types.TipSet) (*types.MessageReceipt, error) {
-	return c.Internal.StateCall(ctx, msg, ts)
+func (c *FullNodeStruct) StateMinerDeadlines(ctx context.Context, m address.Address, tsk types.TipSetKey) (*miner.Deadlines, error) {
+	return c.Internal.StateMinerDeadlines(ctx, m, tsk)
 }

-func (c *FullNodeStruct) StateReplay(ctx context.Context, ts *types.TipSet, mc cid.Cid) (*api.ReplayResults, error) {
-	return c.Internal.StateReplay(ctx, ts, mc)
+func (c *FullNodeStruct) StateMinerFaults(ctx context.Context, actor address.Address, tsk types.TipSetKey) (*abi.BitField, error) {
+	return c.Internal.StateMinerFaults(ctx, actor, tsk)
 }

-func (c *FullNodeStruct) StateGetActor(ctx context.Context, actor address.Address, ts *types.TipSet) (*types.Actor, error) {
-	return c.Internal.StateGetActor(ctx, actor, ts)
+func (c *FullNodeStruct) StateAllMinerFaults(ctx context.Context, cutoff abi.ChainEpoch, endTsk types.TipSetKey) ([]*api.Fault, error) {
+	return c.Internal.StateAllMinerFaults(ctx, cutoff, endTsk)
 }

-func (c *FullNodeStruct) StateReadState(ctx context.Context, act *types.Actor, ts *types.TipSet) (*api.ActorState, error) {
-	return c.Internal.StateReadState(ctx, act, ts)
+func (c *FullNodeStruct) StateMinerRecoveries(ctx context.Context, actor address.Address, tsk types.TipSetKey) (*abi.BitField, error) {
+	return c.Internal.StateMinerRecoveries(ctx, actor, tsk)
 }

-func (c *FullNodeStruct) StatePledgeCollateral(ctx context.Context, ts *types.TipSet) (types.BigInt, error) {
-	return c.Internal.StatePledgeCollateral(ctx, ts)
+func (c *FullNodeStruct) StateMinerInitialPledgeCollateral(ctx context.Context, maddr address.Address, snum abi.SectorNumber, tsk types.TipSetKey) (types.BigInt, error) {
+	return c.Internal.StateMinerInitialPledgeCollateral(ctx, maddr, snum, tsk)
 }

-func (c *FullNodeStruct) StateWaitMsg(ctx context.Context, msgc cid.Cid) (*api.MsgWait, error) {
-	return c.Internal.StateWaitMsg(ctx, msgc)
-}
-func (c *FullNodeStruct) StateListMiners(ctx context.Context, ts *types.TipSet) ([]address.Address, error) {
-	return c.Internal.StateListMiners(ctx, ts)
+func (c *FullNodeStruct) StateMinerAvailableBalance(ctx context.Context, maddr address.Address, tsk types.TipSetKey) (types.BigInt, error) {
+	return c.Internal.StateMinerAvailableBalance(ctx, maddr, tsk)
 }

-func (c *FullNodeStruct) StateListActors(ctx context.Context, ts *types.TipSet) ([]address.Address, error) {
-	return c.Internal.StateListActors(ctx, ts)
+func (c *FullNodeStruct) StateSectorPreCommitInfo(ctx context.Context, maddr address.Address, n abi.SectorNumber, tsk types.TipSetKey) (miner.SectorPreCommitOnChainInfo, error) {
+	return c.Internal.StateSectorPreCommitInfo(ctx, maddr, n, tsk)
 }

-func (c *FullNodeStruct) StateMarketBalance(ctx context.Context, addr address.Address, ts *types.TipSet) (actors.StorageParticipantBalance, error) {
-	return c.Internal.StateMarketBalance(ctx, addr, ts)
+func (c *FullNodeStruct) StateSectorGetInfo(ctx context.Context, maddr address.Address, n abi.SectorNumber, tsk types.TipSetKey) (*miner.SectorOnChainInfo, error) {
+	return c.Internal.StateSectorGetInfo(ctx, maddr, n, tsk)
 }

-func (c *FullNodeStruct) StateMarketParticipants(ctx context.Context, ts *types.TipSet) (map[string]actors.StorageParticipantBalance, error) {
-	return c.Internal.StateMarketParticipants(ctx, ts)
+func (c *FullNodeStruct) StateCall(ctx context.Context, msg *types.Message, tsk types.TipSetKey) (*api.InvocResult, error) {
+	return c.Internal.StateCall(ctx, msg, tsk)
 }

-func (c *FullNodeStruct) StateMarketDeals(ctx context.Context, ts *types.TipSet) (map[string]actors.OnChainDeal, error) {
-	return c.Internal.StateMarketDeals(ctx, ts)
+func (c *FullNodeStruct) StateReplay(ctx context.Context, tsk types.TipSetKey, mc cid.Cid) (*api.InvocResult, error) {
+	return c.Internal.StateReplay(ctx, tsk, mc)
 }

-func (c *FullNodeStruct) StateMarketStorageDeal(ctx context.Context, dealid uint64, ts *types.TipSet) (*actors.OnChainDeal, error) {
-	return c.Internal.StateMarketStorageDeal(ctx, dealid, ts)
+func (c *FullNodeStruct) StateGetActor(ctx context.Context, actor address.Address, tsk types.TipSetKey) (*types.Actor, error) {
+	return c.Internal.StateGetActor(ctx, actor, tsk)
 }

-func (c *FullNodeStruct) StateLookupID(ctx context.Context, addr address.Address, ts *types.TipSet) (address.Address, error) {
-	return c.Internal.StateLookupID(ctx, addr, ts)
+func (c *FullNodeStruct) StateReadState(ctx context.Context, act *types.Actor, tsk types.TipSetKey) (*api.ActorState, error) {
+	return c.Internal.StateReadState(ctx, act, tsk)
+}
+
+func (c *FullNodeStruct) StatePledgeCollateral(ctx context.Context, tsk types.TipSetKey) (types.BigInt, error) {
+	return c.Internal.StatePledgeCollateral(ctx, tsk)
+}
+
+func (c *FullNodeStruct) StateWaitMsg(ctx context.Context, msgc cid.Cid, confidence uint64) (*api.MsgLookup, error) {
+	return c.Internal.StateWaitMsg(ctx, msgc, confidence)
+}
+
+func (c *FullNodeStruct) StateSearchMsg(ctx context.Context, msgc cid.Cid) (*api.MsgLookup, error) {
+	return c.Internal.StateSearchMsg(ctx, msgc)
+}
+
+func (c *FullNodeStruct) StateListMiners(ctx context.Context, tsk types.TipSetKey) ([]address.Address, error) {
+	return c.Internal.StateListMiners(ctx, tsk)
+}
+
+func (c *FullNodeStruct) StateListActors(ctx context.Context, tsk types.TipSetKey) ([]address.Address, error) {
+	return c.Internal.StateListActors(ctx, tsk)
+}
+
+func (c *FullNodeStruct) StateMarketBalance(ctx context.Context, addr address.Address, tsk types.TipSetKey) (api.MarketBalance, error) {
+	return c.Internal.StateMarketBalance(ctx, addr, tsk)
+}
+
+func (c *FullNodeStruct) StateMarketParticipants(ctx context.Context, tsk types.TipSetKey) (map[string]api.MarketBalance, error) {
+	return c.Internal.StateMarketParticipants(ctx, tsk)
+}
+
+func (c *FullNodeStruct) StateMarketDeals(ctx context.Context, tsk types.TipSetKey) (map[string]api.MarketDeal, error) {
+	return c.Internal.StateMarketDeals(ctx, tsk)
+}
+
+func (c *FullNodeStruct) StateMarketStorageDeal(ctx context.Context, dealid abi.DealID, tsk types.TipSetKey) (*api.MarketDeal, error) {
+	return c.Internal.StateMarketStorageDeal(ctx, dealid, tsk)
+}
+
+func (c *FullNodeStruct) StateLookupID(ctx context.Context, addr address.Address, tsk types.TipSetKey) (address.Address, error) {
+	return c.Internal.StateLookupID(ctx, addr, tsk)
+}
+
+func (c *FullNodeStruct) StateAccountKey(ctx context.Context, addr address.Address, tsk types.TipSetKey) (address.Address, error) {
+	return c.Internal.StateAccountKey(ctx, addr, tsk)
 }

 func (c *FullNodeStruct) StateChangedActors(ctx context.Context, olnstate cid.Cid, newstate cid.Cid) (map[string]types.Actor, error) {
 	return c.Internal.StateChangedActors(ctx, olnstate, newstate)
 }

-func (c *FullNodeStruct) StateGetReceipt(ctx context.Context, msg cid.Cid, ts *types.TipSet) (*types.MessageReceipt, error) {
-	return c.Internal.StateGetReceipt(ctx, msg, ts)
+func (c *FullNodeStruct) StateGetReceipt(ctx context.Context, msg cid.Cid, tsk types.TipSetKey) (*types.MessageReceipt, error) {
+	return c.Internal.StateGetReceipt(ctx, msg, tsk)
 }

-func (c *FullNodeStruct) StateListMessages(ctx context.Context, match *types.Message, ts *types.TipSet, toht uint64) ([]cid.Cid, error) {
-	return c.Internal.StateListMessages(ctx, match, ts, toht)
+func (c *FullNodeStruct) StateListMessages(ctx context.Context, match *types.Message, tsk types.TipSetKey, toht abi.ChainEpoch) ([]cid.Cid, error) {
+	return c.Internal.StateListMessages(ctx, match, tsk, toht)
 }

-func (c *FullNodeStruct) StateCompute(ctx context.Context, height uint64, msgs []*types.Message, ts *types.TipSet) (cid.Cid, error) {
-	return c.Internal.StateCompute(ctx, height, msgs, ts)
+func (c *FullNodeStruct) StateCompute(ctx context.Context, height abi.ChainEpoch, msgs []*types.Message, tsk types.TipSetKey) (*api.ComputeStateOutput, error) {
+	return c.Internal.StateCompute(ctx, height, msgs, tsk)
 }

-func (c *FullNodeStruct) MarketEnsureAvailable(ctx context.Context, addr address.Address, amt types.BigInt) error {
-	return c.Internal.MarketEnsureAvailable(ctx, addr, amt)
+func (c *FullNodeStruct) MsigGetAvailableBalance(ctx context.Context, a address.Address, tsk types.TipSetKey) (types.BigInt, error) {
+	return c.Internal.MsigGetAvailableBalance(ctx, a, tsk)
+}
+
+func (c *FullNodeStruct) MsigCreate(ctx context.Context, req int64, addrs []address.Address, val types.BigInt, src address.Address, gp types.BigInt) (cid.Cid, error) {
+	return c.Internal.MsigCreate(ctx, req, addrs, val, src, gp)
+}
+
+func (c *FullNodeStruct) MsigPropose(ctx context.Context, msig address.Address, to address.Address, amt types.BigInt, src address.Address, method uint64, params []byte) (cid.Cid, error) {
+	return c.Internal.MsigPropose(ctx, msig, to, amt, src, method, params)
+}
+
+func (c *FullNodeStruct) MsigApprove(ctx context.Context, msig address.Address, txID uint64, proposer address.Address, to address.Address, amt types.BigInt, src address.Address, method uint64, params []byte) (cid.Cid, error) {
+	return c.Internal.MsigApprove(ctx, msig, txID, proposer, to, amt, src, method, params)
+}
+
+func (c *FullNodeStruct) MsigCancel(ctx context.Context, msig address.Address, txID uint64, proposer address.Address, to address.Address, amt types.BigInt, src address.Address, method uint64, params []byte) (cid.Cid, error) {
+	return c.Internal.MsigCancel(ctx, msig, txID, proposer, to, amt, src, method, params)
+}
+
+func (c *FullNodeStruct) MarketEnsureAvailable(ctx context.Context, addr, wallet address.Address, amt types.BigInt) (cid.Cid, error) {
+	return c.Internal.MarketEnsureAvailable(ctx, addr, wallet, amt)
 }

 func (c *FullNodeStruct) PaychGet(ctx context.Context, from, to address.Address, ensureFunds types.BigInt) (*api.ChannelInfo, error) {
@@ -488,23 +686,23 @@ func (c *FullNodeStruct) PaychStatus(ctx context.Context, pch address.Address) (
 	return c.Internal.PaychStatus(ctx, pch)
 }

-func (c *FullNodeStruct) PaychVoucherCheckValid(ctx context.Context, addr address.Address, sv *types.SignedVoucher) error {
+func (c *FullNodeStruct) PaychVoucherCheckValid(ctx context.Context, addr address.Address, sv *paych.SignedVoucher) error {
 	return c.Internal.PaychVoucherCheckValid(ctx, addr, sv)
 }

-func (c *FullNodeStruct) PaychVoucherCheckSpendable(ctx context.Context, addr address.Address, sv *types.SignedVoucher, secret []byte, proof []byte) (bool, error) {
+func (c *FullNodeStruct) PaychVoucherCheckSpendable(ctx context.Context, addr address.Address, sv *paych.SignedVoucher, secret []byte, proof []byte) (bool, error) {
 	return c.Internal.PaychVoucherCheckSpendable(ctx, addr, sv, secret, proof)
 }

-func (c *FullNodeStruct) PaychVoucherAdd(ctx context.Context, addr address.Address, sv *types.SignedVoucher, proof []byte, minDelta types.BigInt) (types.BigInt, error) {
+func (c *FullNodeStruct) PaychVoucherAdd(ctx context.Context, addr address.Address, sv *paych.SignedVoucher, proof []byte, minDelta types.BigInt) (types.BigInt, error) {
 	return c.Internal.PaychVoucherAdd(ctx, addr, sv, proof, minDelta)
 }

-func (c *FullNodeStruct) PaychVoucherCreate(ctx context.Context, pch address.Address, amt types.BigInt, lane uint64) (*types.SignedVoucher, error) {
+func (c *FullNodeStruct) PaychVoucherCreate(ctx context.Context, pch address.Address, amt types.BigInt, lane uint64) (*paych.SignedVoucher, error) {
 	return c.Internal.PaychVoucherCreate(ctx, pch, amt, lane)
 }

-func (c *FullNodeStruct) PaychVoucherList(ctx context.Context, pch address.Address) ([]*types.SignedVoucher, error) {
+func (c *FullNodeStruct) PaychVoucherList(ctx context.Context, pch address.Address) ([]*paych.SignedVoucher, error) {
 	return c.Internal.PaychVoucherList(ctx, pch)
 }

@@ -520,15 +718,21 @@ func (c *FullNodeStruct) PaychNewPayment(ctx context.Context, from, to address.A
 	return c.Internal.PaychNewPayment(ctx, from, to, vouchers)
 }

-func (c *FullNodeStruct) PaychVoucherSubmit(ctx context.Context, ch address.Address, sv *types.SignedVoucher) (cid.Cid, error) {
+func (c *FullNodeStruct) PaychVoucherSubmit(ctx context.Context, ch address.Address, sv *paych.SignedVoucher) (cid.Cid, error) {
 	return c.Internal.PaychVoucherSubmit(ctx, ch, sv)
 }

+// StorageMinerStruct
+
 func (c *StorageMinerStruct) ActorAddress(ctx context.Context) (address.Address, error) {
 	return c.Internal.ActorAddress(ctx)
 }

-func (c *StorageMinerStruct) ActorSectorSize(ctx context.Context, addr address.Address) (uint64, error) {
+func (c *StorageMinerStruct) MiningBase(ctx context.Context) (*types.TipSet, error) {
+	return c.Internal.MiningBase(ctx)
+}
+
+func (c *StorageMinerStruct) ActorSectorSize(ctx context.Context, addr address.Address) (abi.SectorSize, error) {
 	return c.Internal.ActorSectorSize(ctx, addr)
 }

@@ -537,12 +741,12 @@ func (c *StorageMinerStruct) PledgeSector(ctx context.Context) error {
 }

 // Get the status of a given sector by ID
-func (c *StorageMinerStruct) SectorsStatus(ctx context.Context, sid uint64) (api.SectorInfo, error) {
+func (c *StorageMinerStruct) SectorsStatus(ctx context.Context, sid abi.SectorNumber) (api.SectorInfo, error) {
 	return c.Internal.SectorsStatus(ctx, sid)
 }

 // List all staged sectors
-func (c *StorageMinerStruct) SectorsList(ctx context.Context) ([]uint64, error) {
+func (c *StorageMinerStruct) SectorsList(ctx context.Context) ([]abi.SectorNumber, error) {
 	return c.Internal.SectorsList(ctx)
 }

@@ -550,22 +754,141 @@ func (c *StorageMinerStruct) SectorsRefs(ctx context.Context) (map[string][]api.
 	return c.Internal.SectorsRefs(ctx)
 }

-func (c *StorageMinerStruct) SectorsUpdate(ctx context.Context, id uint64, state api.SectorState) error {
+func (c *StorageMinerStruct) SectorsUpdate(ctx context.Context, id abi.SectorNumber, state api.SectorState) error {
 	return c.Internal.SectorsUpdate(ctx, id, state)
 }

-func (c *StorageMinerStruct) WorkerStats(ctx context.Context) (sectorbuilder.WorkerStats, error) {
+func (c *StorageMinerStruct) WorkerConnect(ctx context.Context, url string) error {
+	return c.Internal.WorkerConnect(ctx, url)
+}
+
+func (c *StorageMinerStruct) WorkerStats(ctx context.Context) (map[uint64]storiface.WorkerStats, error) {
 	return c.Internal.WorkerStats(ctx)
 }

-func (c *StorageMinerStruct) WorkerQueue(ctx context.Context, cfg sectorbuilder.WorkerCfg) (<-chan sectorbuilder.WorkerTask, error) {
-	return c.Internal.WorkerQueue(ctx, cfg)
+func (c *StorageMinerStruct) StorageAttach(ctx context.Context, si stores.StorageInfo, st stores.FsStat) error {
+	return c.Internal.StorageAttach(ctx, si, st)
 }

-func (c *StorageMinerStruct) WorkerDone(ctx context.Context, task uint64, res sectorbuilder.SealRes) error {
-	return c.Internal.WorkerDone(ctx, task, res)
+func (c *StorageMinerStruct) StorageDeclareSector(ctx context.Context, storageId stores.ID, s abi.SectorID, ft stores.SectorFileType, primary bool) error {
+	return c.Internal.StorageDeclareSector(ctx, storageId, s, ft, primary)
+}
+
+func (c *StorageMinerStruct) StorageDropSector(ctx context.Context, storageId stores.ID, s abi.SectorID, ft stores.SectorFileType) error {
+	return c.Internal.StorageDropSector(ctx, storageId, s, ft)
+}
+
+func (c *StorageMinerStruct) StorageFindSector(ctx context.Context, si abi.SectorID, types stores.SectorFileType, allowFetch bool) ([]stores.SectorStorageInfo, error) {
+	return c.Internal.StorageFindSector(ctx, si, types, allowFetch)
+}
+
+func (c *StorageMinerStruct) StorageList(ctx context.Context) (map[stores.ID][]stores.Decl, error) {
+	return c.Internal.StorageList(ctx)
+}
+
+func (c *StorageMinerStruct) StorageLocal(ctx context.Context) (map[stores.ID]string, error) {
+	return c.Internal.StorageLocal(ctx)
+}
+
+func (c *StorageMinerStruct) StorageStat(ctx context.Context, id stores.ID) (stores.FsStat, error) {
+	return c.Internal.StorageStat(ctx, id)
+}
+
+func (c *StorageMinerStruct) StorageInfo(ctx context.Context, id stores.ID) (stores.StorageInfo, error) {
+	return c.Internal.StorageInfo(ctx, id)
+}
+
+func (c *StorageMinerStruct) StorageBestAlloc(ctx context.Context, allocate stores.SectorFileType, spt abi.RegisteredProof, pt stores.PathType) ([]stores.StorageInfo, error) {
+	return c.Internal.StorageBestAlloc(ctx, allocate, spt, pt)
+}
+
+func (c *StorageMinerStruct) StorageReportHealth(ctx context.Context, id stores.ID, report stores.HealthReport) error {
+	return c.Internal.StorageReportHealth(ctx, id, report)
+}
+
+func (c *StorageMinerStruct) MarketImportDealData(ctx context.Context, propcid cid.Cid, path string) error {
+	return c.Internal.MarketImportDealData(ctx, propcid, path)
+}
+
+func (c *StorageMinerStruct) MarketListDeals(ctx context.Context) ([]storagemarket.StorageDeal, error) {
+	return c.Internal.MarketListDeals(ctx)
+}
+
+func (c *StorageMinerStruct) MarketListIncompleteDeals(ctx context.Context) ([]storagemarket.MinerDeal, error) {
+	return c.Internal.MarketListIncompleteDeals(ctx)
+}
+
+func (c *StorageMinerStruct) MarketSetPrice(ctx context.Context, p types.BigInt) error {
+	return c.Internal.MarketSetPrice(ctx, p)
+}
+
+func (c *StorageMinerStruct) DealsImportData(ctx context.Context, dealPropCid cid.Cid, file string) error {
+	return c.Internal.DealsImportData(ctx, dealPropCid, file)
+}
+
+func (c *StorageMinerStruct) DealsList(ctx context.Context) ([]storagemarket.StorageDeal, error) {
+	return c.Internal.DealsList(ctx)
+}
+
+func (c *StorageMinerStruct) StorageAddLocal(ctx context.Context, path string) error {
+	return c.Internal.StorageAddLocal(ctx, path)
+}
+
+// WorkerStruct
+
+func (w *WorkerStruct) Version(ctx context.Context) (build.Version, error) {
+	return w.Internal.Version(ctx)
+}
+
+func (w *WorkerStruct) TaskTypes(ctx context.Context) (map[sealtasks.TaskType]struct{}, error) {
+	return w.Internal.TaskTypes(ctx)
+}
+
+func (w *WorkerStruct) Paths(ctx context.Context) ([]stores.StoragePath, error) {
+	return w.Internal.Paths(ctx)
+}
+
+func (w *WorkerStruct) Info(ctx context.Context) (storiface.WorkerInfo, error) {
+	return w.Internal.Info(ctx)
+}
+
+func (w *WorkerStruct) SealPreCommit1(ctx context.Context, sector abi.SectorID, ticket abi.SealRandomness, pieces []abi.PieceInfo) (storage.PreCommit1Out, error) {
+	return w.Internal.SealPreCommit1(ctx, sector, ticket, pieces)
+}
+
+func (w *WorkerStruct) SealPreCommit2(ctx context.Context, sector abi.SectorID, p1o storage.PreCommit1Out) (storage.SectorCids, error) {
+	return w.Internal.SealPreCommit2(ctx, sector, p1o)
+}
+
+func (w *WorkerStruct) SealCommit1(ctx context.Context, sector abi.SectorID, ticket abi.SealRandomness, seed abi.InteractiveSealRandomness, pieces []abi.PieceInfo, cids storage.SectorCids) (storage.Commit1Out, error) {
+	return w.Internal.SealCommit1(ctx, sector, ticket, seed, pieces, cids)
+}
+
+func (w *WorkerStruct) SealCommit2(ctx context.Context, sector abi.SectorID, c1o storage.Commit1Out) (storage.Proof, error) {
+	return w.Internal.SealCommit2(ctx, sector, c1o)
+}
+
+func (w *WorkerStruct) FinalizeSector(ctx context.Context, sector abi.SectorID) error {
+	return w.Internal.FinalizeSector(ctx, sector)
+}
+
+func (w *WorkerStruct) UnsealPiece(ctx context.Context, id abi.SectorID, index storiface.UnpaddedByteIndex, size abi.UnpaddedPieceSize, randomness abi.SealRandomness, c cid.Cid) error {
+	return w.Internal.UnsealPiece(ctx, id, index, size, randomness, c)
+}
+
+func (w *WorkerStruct) ReadPiece(ctx context.Context, writer io.Writer, id abi.SectorID, index storiface.UnpaddedByteIndex, size abi.UnpaddedPieceSize) error {
+	return w.Internal.ReadPiece(ctx, writer, id, index, size)
+}
+
+func (w *WorkerStruct) Fetch(ctx context.Context, id abi.SectorID, fileType stores.SectorFileType, b bool, am stores.AcquireMode) error {
+	return w.Internal.Fetch(ctx, id, fileType, b, am)
+}
+
+func (w *WorkerStruct) Closing(ctx context.Context) (<-chan struct{}, error) {
+	return w.Internal.Closing(ctx)
 }

 var _ api.Common = &CommonStruct{}
 var _ api.FullNode = &FullNodeStruct{}
 var _ api.StorageMiner = &StorageMinerStruct{}
+var _ api.WorkerAPI = &WorkerStruct{}
@@ -0,0 +1,9 @@
+package apistruct
+
+import "testing"
+
+func TestPermTags(t *testing.T) {
+	_ = PermissionedFullAPI(&FullNodeStruct{})
+	_ = PermissionedStorMinerAPI(&StorageMinerStruct{})
+	_ = PermissionedWorkerAPI(&WorkerStruct{})
+}
@@ -1,16 +1,17 @@
+// Code generated by github.com/whyrusleeping/cbor-gen. DO NOT EDIT.
+
 package api

 import (
 	"fmt"
 	"io"

-	"github.com/filecoin-project/lotus/chain/types"
+	"github.com/filecoin-project/specs-actors/actors/abi"
+	"github.com/filecoin-project/specs-actors/actors/builtin/paych"
 	cbg "github.com/whyrusleeping/cbor-gen"
 	xerrors "golang.org/x/xerrors"
 )

-// Code generated by github.com/whyrusleeping/cbor-gen. DO NOT EDIT.
-
 var _ = xerrors.Errorf

 func (t *PaymentInfo) MarshalCBOR(w io.Writer) error {
@@ -22,15 +23,17 @@ func (t *PaymentInfo) MarshalCBOR(w io.Writer) error {
 		return err
 	}

+	scratch := make([]byte, 9)
+
 	// t.Channel (address.Address) (struct)
 	if len("Channel") > cbg.MaxLength {
 		return xerrors.Errorf("Value in field \"Channel\" was too long")
 	}

-	if _, err := w.Write(cbg.CborEncodeMajorType(cbg.MajTextString, uint64(len("Channel")))); err != nil {
+	if err := cbg.WriteMajorTypeHeaderBuf(scratch, w, cbg.MajTextString, uint64(len("Channel"))); err != nil {
 		return err
 	}
-	if _, err := w.Write([]byte("Channel")); err != nil {
+	if _, err := io.WriteString(w, "Channel"); err != nil {
 		return err
 	}

@@ -43,10 +46,10 @@ func (t *PaymentInfo) MarshalCBOR(w io.Writer) error {
 		return xerrors.Errorf("Value in field \"ChannelMessage\" was too long")
 	}

-	if _, err := w.Write(cbg.CborEncodeMajorType(cbg.MajTextString, uint64(len("ChannelMessage")))); err != nil {
+	if err := cbg.WriteMajorTypeHeaderBuf(scratch, w, cbg.MajTextString, uint64(len("ChannelMessage"))); err != nil {
 		return err
 	}
-	if _, err := w.Write([]byte("ChannelMessage")); err != nil {
+	if _, err := io.WriteString(w, "ChannelMessage"); err != nil {
 		return err
 	}

@@ -55,20 +58,20 @@ func (t *PaymentInfo) MarshalCBOR(w io.Writer) error {
 			return err
 		}
 	} else {
-		if err := cbg.WriteCid(w, *t.ChannelMessage); err != nil {
+		if err := cbg.WriteCidBuf(scratch, w, *t.ChannelMessage); err != nil {
 			return xerrors.Errorf("failed to write cid field t.ChannelMessage: %w", err)
 		}
 	}

-	// t.Vouchers ([]*types.SignedVoucher) (slice)
+	// t.Vouchers ([]*paych.SignedVoucher) (slice)
 	if len("Vouchers") > cbg.MaxLength {
 		return xerrors.Errorf("Value in field \"Vouchers\" was too long")
 	}

-	if _, err := w.Write(cbg.CborEncodeMajorType(cbg.MajTextString, uint64(len("Vouchers")))); err != nil {
+	if err := cbg.WriteMajorTypeHeaderBuf(scratch, w, cbg.MajTextString, uint64(len("Vouchers"))); err != nil {
 		return err
 	}
-	if _, err := w.Write([]byte("Vouchers")); err != nil {
+	if _, err := io.WriteString(w, "Vouchers"); err != nil {
 		return err
 	}

@@ -76,7 +79,7 @@ func (t *PaymentInfo) MarshalCBOR(w io.Writer) error {
 		return xerrors.Errorf("Slice value in field t.Vouchers was too long")
 	}

-	if _, err := w.Write(cbg.CborEncodeMajorType(cbg.MajArray, uint64(len(t.Vouchers)))); err != nil {
+	if err := cbg.WriteMajorTypeHeaderBuf(scratch, w, cbg.MajArray, uint64(len(t.Vouchers))); err != nil {
 		return err
 	}
 	for _, v := range t.Vouchers {
@@ -89,8 +92,9 @@ func (t *PaymentInfo) MarshalCBOR(w io.Writer) error {

 func (t *PaymentInfo) UnmarshalCBOR(r io.Reader) error {
 	br := cbg.GetPeeker(r)
+	scratch := make([]byte, 8)

-	maj, extra, err := cbg.CborReadHeader(br)
+	maj, extra, err := cbg.CborReadHeaderBuf(br, scratch)
 	if err != nil {
 		return err
 	}
@@ -98,114 +102,97 @@ func (t *PaymentInfo) UnmarshalCBOR(r io.Reader) error {
 		return fmt.Errorf("cbor input should be of type map")
 	}

-	if extra != 3 {
-		return fmt.Errorf("cbor input had wrong number of fields")
+	if extra > cbg.MaxLength {
+		return fmt.Errorf("PaymentInfo: map struct too large (%d)", extra)
 	}

 	var name string
+	n := extra

-	// t.Channel (address.Address) (struct)
+	for i := uint64(0); i < n; i++ {

-	{
-		sval, err := cbg.ReadString(br)
-		if err != nil {
-			return err
-		}
-
-		name = string(sval)
-	}
-
-	if name != "Channel" {
-		return fmt.Errorf("expected struct map entry %s to be Channel", name)
-	}
-
-	{
-
-		if err := t.Channel.UnmarshalCBOR(br); err != nil {
-			return err
-		}
-
-	}
-	// t.ChannelMessage (cid.Cid) (struct)
-
-	{
-		sval, err := cbg.ReadString(br)
-		if err != nil {
-			return err
-		}
-
-		name = string(sval)
-	}
-
-	if name != "ChannelMessage" {
-		return fmt.Errorf("expected struct map entry %s to be ChannelMessage", name)
-	}
-
-	{
-
-		pb, err := br.PeekByte()
-		if err != nil {
-			return err
-		}
-		if pb == cbg.CborNull[0] {
-			var nbuf [1]byte
-			if _, err := br.Read(nbuf[:]); err != nil {
+		{
+			sval, err := cbg.ReadStringBuf(br, scratch)
+			if err != nil {
 				return err
 			}
-		} else {

-			c, err := cbg.ReadCid(br)
+			name = string(sval)
+		}
+
+		switch name {
+		// t.Channel (address.Address) (struct)
+		case "Channel":
+
+			{
+
+				if err := t.Channel.UnmarshalCBOR(br); err != nil {
+					return xerrors.Errorf("unmarshaling t.Channel: %w", err)
+				}
+
+			}
+			// t.ChannelMessage (cid.Cid) (struct)
+		case "ChannelMessage":
+
+			{
+
+				pb, err := br.PeekByte()
+				if err != nil {
+					return err
+				}
+				if pb == cbg.CborNull[0] {
+					var nbuf [1]byte
+					if _, err := br.Read(nbuf[:]); err != nil {
+						return err
+					}
+				} else {
+
+					c, err := cbg.ReadCid(br)
+					if err != nil {
+						return xerrors.Errorf("failed to read cid field t.ChannelMessage: %w", err)
+					}
+
+					t.ChannelMessage = &c
+				}
+
+			}
+			// t.Vouchers ([]*paych.SignedVoucher) (slice)
+		case "Vouchers":
+
+			maj, extra, err = cbg.CborReadHeaderBuf(br, scratch)
 			if err != nil {
-				return xerrors.Errorf("failed to read cid field t.ChannelMessage: %w", err)
+				return err
 			}

-			t.ChannelMessage = &c
+			if extra > cbg.MaxLength {
+				return fmt.Errorf("t.Vouchers: array too large (%d)", extra)
+			}
+
+			if maj != cbg.MajArray {
+				return fmt.Errorf("expected cbor array")
+			}
+
+			if extra > 0 {
+				t.Vouchers = make([]*paych.SignedVoucher, extra)
+			}
+
+			for i := 0; i < int(extra); i++ {
+
+				var v paych.SignedVoucher
+				if err := v.UnmarshalCBOR(br); err != nil {
+					return err
+				}
+
+				t.Vouchers[i] = &v
+			}
+
+		default:
+			return fmt.Errorf("unknown struct field %d: '%s'", i, name)
 		}
-
-	}
-	// t.Vouchers ([]*types.SignedVoucher) (slice)
-
-	{
-		sval, err := cbg.ReadString(br)
-		if err != nil {
-			return err
-		}
-
-		name = string(sval)
-	}
-
-	if name != "Vouchers" {
-		return fmt.Errorf("expected struct map entry %s to be Vouchers", name)
-	}
-
-	maj, extra, err = cbg.CborReadHeader(br)
-	if err != nil {
-		return err
-	}
-
-	if extra > cbg.MaxLength {
-		return fmt.Errorf("t.Vouchers: array too large (%d)", extra)
-	}
-
-	if maj != cbg.MajArray {
-		return fmt.Errorf("expected cbor array")
-	}
-	if extra > 0 {
-		t.Vouchers = make([]*types.SignedVoucher, extra)
-	}
-	for i := 0; i < int(extra); i++ {
-
-		var v types.SignedVoucher
-		if err := v.UnmarshalCBOR(br); err != nil {
-			return err
-		}
-
-		t.Vouchers[i] = &v
 	}

 	return nil
 }
-
 func (t *SealedRef) MarshalCBOR(w io.Writer) error {
 	if t == nil {
 		_, err := w.Write(cbg.CborNull)
@@ -215,19 +202,21 @@ func (t *SealedRef) MarshalCBOR(w io.Writer) error {
 		return err
 	}

-	// t.SectorID (uint64) (uint64)
+	scratch := make([]byte, 9)
+
+	// t.SectorID (abi.SectorNumber) (uint64)
 	if len("SectorID") > cbg.MaxLength {
 		return xerrors.Errorf("Value in field \"SectorID\" was too long")
 	}

-	if _, err := w.Write(cbg.CborEncodeMajorType(cbg.MajTextString, uint64(len("SectorID")))); err != nil {
+	if err := cbg.WriteMajorTypeHeaderBuf(scratch, w, cbg.MajTextString, uint64(len("SectorID"))); err != nil {
 		return err
 	}
-	if _, err := w.Write([]byte("SectorID")); err != nil {
+	if _, err := io.WriteString(w, "SectorID"); err != nil {
 		return err
 	}

-	if _, err := w.Write(cbg.CborEncodeMajorType(cbg.MajUnsignedInt, uint64(t.SectorID))); err != nil {
+	if err := cbg.WriteMajorTypeHeaderBuf(scratch, w, cbg.MajUnsignedInt, uint64(t.SectorID)); err != nil {
 		return err
 	}

@@ -236,39 +225,41 @@ func (t *SealedRef) MarshalCBOR(w io.Writer) error {
 		return xerrors.Errorf("Value in field \"Offset\" was too long")
 	}

-	if _, err := w.Write(cbg.CborEncodeMajorType(cbg.MajTextString, uint64(len("Offset")))); err != nil {
+	if err := cbg.WriteMajorTypeHeaderBuf(scratch, w, cbg.MajTextString, uint64(len("Offset"))); err != nil {
 		return err
 	}
-	if _, err := w.Write([]byte("Offset")); err != nil {
+	if _, err := io.WriteString(w, "Offset"); err != nil {
 		return err
 	}

-	if _, err := w.Write(cbg.CborEncodeMajorType(cbg.MajUnsignedInt, uint64(t.Offset))); err != nil {
+	if err := cbg.WriteMajorTypeHeaderBuf(scratch, w, cbg.MajUnsignedInt, uint64(t.Offset)); err != nil {
 		return err
 	}

-	// t.Size (uint64) (uint64)
+	// t.Size (abi.UnpaddedPieceSize) (uint64)
 	if len("Size") > cbg.MaxLength {
 		return xerrors.Errorf("Value in field \"Size\" was too long")
 	}

-	if _, err := w.Write(cbg.CborEncodeMajorType(cbg.MajTextString, uint64(len("Size")))); err != nil {
+	if err := cbg.WriteMajorTypeHeaderBuf(scratch, w, cbg.MajTextString, uint64(len("Size"))); err != nil {
 		return err
 	}
-	if _, err := w.Write([]byte("Size")); err != nil {
+	if _, err := io.WriteString(w, "Size"); err != nil {
 		return err
 	}

-	if _, err := w.Write(cbg.CborEncodeMajorType(cbg.MajUnsignedInt, uint64(t.Size))); err != nil {
+	if err := cbg.WriteMajorTypeHeaderBuf(scratch, w, cbg.MajUnsignedInt, uint64(t.Size)); err != nil {
 		return err
 	}
+
 	return nil
 }

 func (t *SealedRef) UnmarshalCBOR(r io.Reader) error {
 	br := cbg.GetPeeker(r)
+	scratch := make([]byte, 8)

-	maj, extra, err := cbg.CborReadHeader(br)
+	maj, extra, err := cbg.CborReadHeaderBuf(br, scratch)
 	if err != nil {
 		return err
 	}
@@ -276,84 +267,78 @@ func (t *SealedRef) UnmarshalCBOR(r io.Reader) error {
 		return fmt.Errorf("cbor input should be of type map")
 	}

-	if extra != 3 {
-		return fmt.Errorf("cbor input had wrong number of fields")
+	if extra > cbg.MaxLength {
+		return fmt.Errorf("SealedRef: map struct too large (%d)", extra)
 	}

 	var name string
+	n := extra

-	// t.SectorID (uint64) (uint64)
+	for i := uint64(0); i < n; i++ {

-	{
-		sval, err := cbg.ReadString(br)
-		if err != nil {
-			return err
+		{
+			sval, err := cbg.ReadStringBuf(br, scratch)
+			if err != nil {
+				return err
+			}
+
+			name = string(sval)
 		}

-		name = string(sval)
-	}
+		switch name {
+		// t.SectorID (abi.SectorNumber) (uint64)
+		case "SectorID":

-	if name != "SectorID" {
-		return fmt.Errorf("expected struct map entry %s to be SectorID", name)
-	}
+			{

-	maj, extra, err = cbg.CborReadHeader(br)
-	if err != nil {
-		return err
-	}
-	if maj != cbg.MajUnsignedInt {
-		return fmt.Errorf("wrong type for uint64 field")
-	}
-	t.SectorID = uint64(extra)
-	// t.Offset (uint64) (uint64)
+				maj, extra, err = cbg.CborReadHeaderBuf(br, scratch)
+				if err != nil {
+					return err
+				}
+				if maj != cbg.MajUnsignedInt {
+					return fmt.Errorf("wrong type for uint64 field")
+				}
+				t.SectorID = abi.SectorNumber(extra)

-	{
-		sval, err := cbg.ReadString(br)
-		if err != nil {
-			return err
+			}
+			// t.Offset (uint64) (uint64)
+		case "Offset":
+
+			{
+
+				maj, extra, err = cbg.CborReadHeaderBuf(br, scratch)
+				if err != nil {
+					return err
+				}
+				if maj != cbg.MajUnsignedInt {
+					return fmt.Errorf("wrong type for uint64 field")
+				}
+				t.Offset = uint64(extra)
+
+			}
+			// t.Size (abi.UnpaddedPieceSize) (uint64)
+		case "Size":
+
+			{
+
+				maj, extra, err = cbg.CborReadHeaderBuf(br, scratch)
+				if err != nil {
+					return err
+				}
+				if maj != cbg.MajUnsignedInt {
+					return fmt.Errorf("wrong type for uint64 field")
+				}
+				t.Size = abi.UnpaddedPieceSize(extra)
+
+			}
+
+		default:
+			return fmt.Errorf("unknown struct field %d: '%s'", i, name)
 		}
-
-		name = string(sval)
 	}

-	if name != "Offset" {
-		return fmt.Errorf("expected struct map entry %s to be Offset", name)
-	}
-
-	maj, extra, err = cbg.CborReadHeader(br)
-	if err != nil {
-		return err
-	}
-	if maj != cbg.MajUnsignedInt {
-		return fmt.Errorf("wrong type for uint64 field")
-	}
-	t.Offset = uint64(extra)
-	// t.Size (uint64) (uint64)
-
-	{
-		sval, err := cbg.ReadString(br)
-		if err != nil {
-			return err
-		}
-
-		name = string(sval)
-	}
-
-	if name != "Size" {
-		return fmt.Errorf("expected struct map entry %s to be Size", name)
-	}
-
-	maj, extra, err = cbg.CborReadHeader(br)
-	if err != nil {
-		return err
-	}
-	if maj != cbg.MajUnsignedInt {
-		return fmt.Errorf("wrong type for uint64 field")
-	}
-	t.Size = uint64(extra)
 	return nil
 }
-
 func (t *SealedRefs) MarshalCBOR(w io.Writer) error {
 	if t == nil {
 		_, err := w.Write(cbg.CborNull)
@@ -363,15 +348,17 @@ func (t *SealedRefs) MarshalCBOR(w io.Writer) error {
 		return err
 	}

+	scratch := make([]byte, 9)
+
 	// t.Refs ([]api.SealedRef) (slice)
 	if len("Refs") > cbg.MaxLength {
 		return xerrors.Errorf("Value in field \"Refs\" was too long")
 	}

-	if _, err := w.Write(cbg.CborEncodeMajorType(cbg.MajTextString, uint64(len("Refs")))); err != nil {
+	if err := cbg.WriteMajorTypeHeaderBuf(scratch, w, cbg.MajTextString, uint64(len("Refs"))); err != nil {
 		return err
 	}
-	if _, err := w.Write([]byte("Refs")); err != nil {
+	if _, err := io.WriteString(w, "Refs"); err != nil {
 		return err
 	}

@@ -379,7 +366,7 @@ func (t *SealedRefs) MarshalCBOR(w io.Writer) error {
 		return xerrors.Errorf("Slice value in field t.Refs was too long")
 	}

-	if _, err := w.Write(cbg.CborEncodeMajorType(cbg.MajArray, uint64(len(t.Refs)))); err != nil {
+	if err := cbg.WriteMajorTypeHeaderBuf(scratch, w, cbg.MajArray, uint64(len(t.Refs))); err != nil {
 		return err
 	}
 	for _, v := range t.Refs {
@@ -392,8 +379,9 @@ func (t *SealedRefs) MarshalCBOR(w io.Writer) error {

 func (t *SealedRefs) UnmarshalCBOR(r io.Reader) error {
 	br := cbg.GetPeeker(r)
+	scratch := make([]byte, 8)

-	maj, extra, err := cbg.CborReadHeader(br)
+	maj, extra, err := cbg.CborReadHeaderBuf(br, scratch)
 	if err != nil {
 		return err
 	}
@@ -401,50 +389,342 @@ func (t *SealedRefs) UnmarshalCBOR(r io.Reader) error {
 		return fmt.Errorf("cbor input should be of type map")
 	}

-	if extra != 1 {
-		return fmt.Errorf("cbor input had wrong number of fields")
+	if extra > cbg.MaxLength {
+		return fmt.Errorf("SealedRefs: map struct too large (%d)", extra)
 	}

 	var name string
+	n := extra

-	// t.Refs ([]api.SealedRef) (slice)
+	for i := uint64(0); i < n; i++ {

-	{
-		sval, err := cbg.ReadString(br)
-		if err != nil {
-			return err
+		{
+			sval, err := cbg.ReadStringBuf(br, scratch)
+			if err != nil {
+				return err
+			}
+
+			name = string(sval)
 		}

-		name = string(sval)
-	}
+		switch name {
+		// t.Refs ([]api.SealedRef) (slice)
+		case "Refs":

-	if name != "Refs" {
-		return fmt.Errorf("expected struct map entry %s to be Refs", name)
-	}
+			maj, extra, err = cbg.CborReadHeaderBuf(br, scratch)
+			if err != nil {
+				return err
+			}

-	maj, extra, err = cbg.CborReadHeader(br)
-	if err != nil {
-		return err
-	}
+			if extra > cbg.MaxLength {
+				return fmt.Errorf("t.Refs: array too large (%d)", extra)
+			}

-	if extra > cbg.MaxLength {
-		return fmt.Errorf("t.Refs: array too large (%d)", extra)
-	}
+			if maj != cbg.MajArray {
+				return fmt.Errorf("expected cbor array")
+			}

-	if maj != cbg.MajArray {
-		return fmt.Errorf("expected cbor array")
-	}
-	if extra > 0 {
-		t.Refs = make([]SealedRef, extra)
-	}
-	for i := 0; i < int(extra); i++ {
+			if extra > 0 {
+				t.Refs = make([]SealedRef, extra)
+			}

-		var v SealedRef
-		if err := v.UnmarshalCBOR(br); err != nil {
+			for i := 0; i < int(extra); i++ {
+
+				var v SealedRef
+				if err := v.UnmarshalCBOR(br); err != nil {
+					return err
+				}
+
+				t.Refs[i] = v
+			}
+
+		default:
+			return fmt.Errorf("unknown struct field %d: '%s'", i, name)
+		}
+	}
+
+	return nil
+}
+func (t *SealTicket) MarshalCBOR(w io.Writer) error {
+	if t == nil {
+		_, err := w.Write(cbg.CborNull)
+		return err
+	}
+	if _, err := w.Write([]byte{162}); err != nil {
+		return err
+	}
+
+	scratch := make([]byte, 9)
+
+	// t.Value (abi.SealRandomness) (slice)
+	if len("Value") > cbg.MaxLength {
+		return xerrors.Errorf("Value in field \"Value\" was too long")
+	}
+
+	if err := cbg.WriteMajorTypeHeaderBuf(scratch, w, cbg.MajTextString, uint64(len("Value"))); err != nil {
+		return err
+	}
+	if _, err := io.WriteString(w, "Value"); err != nil {
+		return err
+	}
+
+	if len(t.Value) > cbg.ByteArrayMaxLen {
+		return xerrors.Errorf("Byte array in field t.Value was too long")
+	}
+
+	if err := cbg.WriteMajorTypeHeaderBuf(scratch, w, cbg.MajByteString, uint64(len(t.Value))); err != nil {
+		return err
+	}
+
+	if _, err := w.Write(t.Value); err != nil {
+		return err
+	}
+
+	// t.Epoch (abi.ChainEpoch) (int64)
+	if len("Epoch") > cbg.MaxLength {
+		return xerrors.Errorf("Value in field \"Epoch\" was too long")
+	}
+
+	if err := cbg.WriteMajorTypeHeaderBuf(scratch, w, cbg.MajTextString, uint64(len("Epoch"))); err != nil {
+		return err
+	}
+	if _, err := io.WriteString(w, "Epoch"); err != nil {
+		return err
+	}
+
+	if t.Epoch >= 0 {
+		if err := cbg.WriteMajorTypeHeaderBuf(scratch, w, cbg.MajUnsignedInt, uint64(t.Epoch)); err != nil {
 			return err
+		}
+	} else {
+		if err := cbg.WriteMajorTypeHeaderBuf(scratch, w, cbg.MajNegativeInt, uint64(-t.Epoch-1)); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func (t *SealTicket) UnmarshalCBOR(r io.Reader) error {
+	br := cbg.GetPeeker(r)
+	scratch := make([]byte, 8)
+
+	maj, extra, err := cbg.CborReadHeaderBuf(br, scratch)
+	if err != nil {
+		return err
+	}
+	if maj != cbg.MajMap {
+		return fmt.Errorf("cbor input should be of type map")
+	}
+
+	if extra > cbg.MaxLength {
+		return fmt.Errorf("SealTicket: map struct too large (%d)", extra)
+	}
+
+	var name string
+	n := extra
+
+	for i := uint64(0); i < n; i++ {
+
+		{
+			sval, err := cbg.ReadStringBuf(br, scratch)
+			if err != nil {
+				return err
+			}
+
+			name = string(sval)
+		}
+
+		switch name {
+		// t.Value (abi.SealRandomness) (slice)
+		case "Value":
+
+			maj, extra, err = cbg.CborReadHeaderBuf(br, scratch)
+			if err != nil {
+				return err
+			}
+
+			if extra > cbg.ByteArrayMaxLen {
+				return fmt.Errorf("t.Value: byte array too large (%d)", extra)
+			}
+			if maj != cbg.MajByteString {
+				return fmt.Errorf("expected byte array")
+			}
+			t.Value = make([]byte, extra)
+			if _, err := io.ReadFull(br, t.Value); err != nil {
+				return err
+			}
+			// t.Epoch (abi.ChainEpoch) (int64)
+		case "Epoch":
+			{
+				maj, extra, err := cbg.CborReadHeaderBuf(br, scratch)
+				var extraI int64
+				if err != nil {
+					return err
+				}
+				switch maj {
+				case cbg.MajUnsignedInt:
+					extraI = int64(extra)
+					if extraI < 0 {
+						return fmt.Errorf("int64 positive overflow")
+					}
+				case cbg.MajNegativeInt:
+					extraI = int64(extra)
+					if extraI < 0 {
+						return fmt.Errorf("int64 negative oveflow")
+					}
+					extraI = -1 - extraI
+				default:
+					return fmt.Errorf("wrong type for int64 field: %d", maj)
+				}
+
+				t.Epoch = abi.ChainEpoch(extraI)
+			}
+
+		default:
+			return fmt.Errorf("unknown struct field %d: '%s'", i, name)
+		}
+	}
+
+	return nil
+}
+func (t *SealSeed) MarshalCBOR(w io.Writer) error {
+	if t == nil {
+		_, err := w.Write(cbg.CborNull)
+		return err
+	}
+	if _, err := w.Write([]byte{162}); err != nil {
+		return err
+	}
+
+	scratch := make([]byte, 9)
+
+	// t.Value (abi.InteractiveSealRandomness) (slice)
+	if len("Value") > cbg.MaxLength {
+		return xerrors.Errorf("Value in field \"Value\" was too long")
+	}
+
+	if err := cbg.WriteMajorTypeHeaderBuf(scratch, w, cbg.MajTextString, uint64(len("Value"))); err != nil {
+		return err
+	}
+	if _, err := io.WriteString(w, "Value"); err != nil {
+		return err
+	}
+
+	if len(t.Value) > cbg.ByteArrayMaxLen {
+		return xerrors.Errorf("Byte array in field t.Value was too long")
+	}
+
+	if err := cbg.WriteMajorTypeHeaderBuf(scratch, w, cbg.MajByteString, uint64(len(t.Value))); err != nil {
+		return err
+	}
+
+	if _, err := w.Write(t.Value); err != nil {
+		return err
+	}
+
+	// t.Epoch (abi.ChainEpoch) (int64)
+	if len("Epoch") > cbg.MaxLength {
+		return xerrors.Errorf("Value in field \"Epoch\" was too long")
+	}
+
+	if err := cbg.WriteMajorTypeHeaderBuf(scratch, w, cbg.MajTextString, uint64(len("Epoch"))); err != nil {
+		return err
+	}
+	if _, err := io.WriteString(w, "Epoch"); err != nil {
+		return err
+	}
+
+	if t.Epoch >= 0 {
+		if err := cbg.WriteMajorTypeHeaderBuf(scratch, w, cbg.MajUnsignedInt, uint64(t.Epoch)); err != nil {
+			return err
+		}
+	} else {
+		if err := cbg.WriteMajorTypeHeaderBuf(scratch, w, cbg.MajNegativeInt, uint64(-t.Epoch-1)); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func (t *SealSeed) UnmarshalCBOR(r io.Reader) error {
+	br := cbg.GetPeeker(r)
+	scratch := make([]byte, 8)
+
+	maj, extra, err := cbg.CborReadHeaderBuf(br, scratch)
+	if err != nil {
+		return err
+	}
+	if maj != cbg.MajMap {
+		return fmt.Errorf("cbor input should be of type map")
+	}
+
+	if extra > cbg.MaxLength {
+		return fmt.Errorf("SealSeed: map struct too large (%d)", extra)
+	}
+
+	var name string
+	n := extra
+
+	for i := uint64(0); i < n; i++ {
+
+		{
+			sval, err := cbg.ReadStringBuf(br, scratch)
+			if err != nil {
+				return err
+			}
+
+			name = string(sval)
+		}
+
+		switch name {
+		// t.Value (abi.InteractiveSealRandomness) (slice)
+		case "Value":
+
+			maj, extra, err = cbg.CborReadHeaderBuf(br, scratch)
+			if err != nil {
+				return err
+			}
+
+			if extra > cbg.ByteArrayMaxLen {
+				return fmt.Errorf("t.Value: byte array too large (%d)", extra)
+			}
+			if maj != cbg.MajByteString {
+				return fmt.Errorf("expected byte array")
+			}
+			t.Value = make([]byte, extra)
+			if _, err := io.ReadFull(br, t.Value); err != nil {
+				return err
+			}
+			// t.Epoch (abi.ChainEpoch) (int64)
+		case "Epoch":
+			{
+				maj, extra, err := cbg.CborReadHeaderBuf(br, scratch)
+				var extraI int64
+				if err != nil {
+					return err
+				}
+				switch maj {
+				case cbg.MajUnsignedInt:
+					extraI = int64(extra)
+					if extraI < 0 {
+						return fmt.Errorf("int64 positive overflow")
+					}
+				case cbg.MajNegativeInt:
+					extraI = int64(extra)
+					if extraI < 0 {
+						return fmt.Errorf("int64 negative oveflow")
+					}
+					extraI = -1 - extraI
+				default:
+					return fmt.Errorf("wrong type for int64 field: %d", maj)
+				}
+
+				t.Epoch = abi.ChainEpoch(extraI)
+			}
+
+		default:
+			return fmt.Errorf("unknown struct field %d: '%s'", i, name)
 		}
-
-		t.Refs[i] = v
 	}

 	return nil
@@ -1,11 +1,12 @@
 package client

 import (
-	"github.com/filecoin-project/lotus/api/apistruct"
 	"net/http"

+	"github.com/filecoin-project/go-jsonrpc"
+
 	"github.com/filecoin-project/lotus/api"
-	"github.com/filecoin-project/lotus/lib/jsonrpc"
+	"github.com/filecoin-project/lotus/api/apistruct"
 )

 // NewCommonRPC creates a new http jsonrpc client.
@@ -14,7 +15,9 @@ func NewCommonRPC(addr string, requestHeader http.Header) (api.Common, jsonrpc.C
 	closer, err := jsonrpc.NewMergeClient(addr, "Filecoin",
 		[]interface{}{
 			&res.Internal,
-		}, requestHeader)
+		},
+		requestHeader,
+	)

 	return &res, closer, err
 }
@@ -38,7 +41,21 @@ func NewStorageMinerRPC(addr string, requestHeader http.Header) (api.StorageMine
 		[]interface{}{
 			&res.CommonStruct.Internal,
 			&res.Internal,
-		}, requestHeader)
+		},
+		requestHeader,
+	)
+
+	return &res, closer, err
+}
+
+func NewWorkerRPC(addr string, requestHeader http.Header) (api.WorkerAPI, jsonrpc.ClientCloser, error) {
+	var res apistruct.WorkerStruct
+	closer, err := jsonrpc.NewMergeClient(addr, "Filecoin",
+		[]interface{}{
+			&res.Internal,
+		},
+		requestHeader,
+	)

 	return &res, closer, err
 }
@@ -0,0 +1,338 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"go/ast"
+	"go/parser"
+	"go/token"
+	"reflect"
+	"sort"
+	"strings"
+	"time"
+	"unicode"
+
+	"github.com/filecoin-project/go-address"
+	"github.com/filecoin-project/go-bitfield"
+	"github.com/filecoin-project/go-jsonrpc/auth"
+	"github.com/filecoin-project/lotus/api"
+	"github.com/filecoin-project/lotus/build"
+	"github.com/filecoin-project/lotus/chain/types"
+	"github.com/filecoin-project/lotus/node/modules/dtypes"
+	"github.com/filecoin-project/specs-actors/actors/abi"
+	"github.com/filecoin-project/specs-actors/actors/crypto"
+	"github.com/filecoin-project/specs-actors/actors/runtime/exitcode"
+	"github.com/ipfs/go-cid"
+	"github.com/ipfs/go-filestore"
+	"github.com/libp2p/go-libp2p-core/network"
+	peer "github.com/libp2p/go-libp2p-peer"
+	"github.com/multiformats/go-multiaddr"
+)
+
+var ExampleValues = map[reflect.Type]interface{}{
+	reflect.TypeOf(auth.Permission("")): auth.Permission("write"),
+	reflect.TypeOf(""):                  "string value",
+	reflect.TypeOf(uint64(42)):          uint64(42),
+	reflect.TypeOf(byte(7)):             byte(7),
+	reflect.TypeOf([]byte{}):            []byte("byte array"),
+}
+
+func addExample(v interface{}) {
+	ExampleValues[reflect.TypeOf(v)] = v
+}
+
+func init() {
+	c, err := cid.Decode("bafy2bzacea3wsdh6y3a36tb3skempjoxqpuyompjbmfeyf34fi3uy6uue42v4")
+	if err != nil {
+		panic(err)
+	}
+
+	ExampleValues[reflect.TypeOf(c)] = c
+
+	c2, err := cid.Decode("bafy2bzacebp3shtrn43k7g3unredz7fxn4gj533d3o43tqn2p2ipxxhrvchve")
+	if err != nil {
+		panic(err)
+	}
+
+	tsk := types.NewTipSetKey(c, c2)
+
+	ExampleValues[reflect.TypeOf(tsk)] = tsk
+
+	addr, err := address.NewIDAddress(1234)
+	if err != nil {
+		panic(err)
+	}
+
+	ExampleValues[reflect.TypeOf(addr)] = addr
+
+	pid, err := peer.IDB58Decode("12D3KooWGzxzKZYveHXtpG6AsrUJBcWxHBFS2HsEoGTxrMLvKXtf")
+	if err != nil {
+		panic(err)
+	}
+	addExample(pid)
+
+	addExample(bitfield.NewFromSet([]uint64{5}))
+	addExample(abi.RegisteredProof_StackedDRG32GiBPoSt)
+	addExample(abi.ChainEpoch(10101))
+	addExample(crypto.SigTypeBLS)
+	addExample(int64(9))
+	addExample(abi.MethodNum(1))
+	addExample(exitcode.ExitCode(0))
+	addExample(crypto.DomainSeparationTag_ElectionProofProduction)
+	addExample(true)
+	addExample(abi.UnpaddedPieceSize(1024))
+	addExample(abi.UnpaddedPieceSize(1024).Padded())
+	addExample(abi.DealID(5432))
+	addExample(filestore.StatusFileChanged)
+	addExample(abi.SectorNumber(9))
+	addExample(abi.SectorSize(32 * 1024 * 1024 * 1024))
+	addExample(api.MpoolChange(0))
+	addExample(network.Connected)
+	addExample(dtypes.NetworkName("lotus"))
+	addExample(api.SyncStateStage(1))
+	addExample(build.APIVersion)
+	addExample(api.PCHInbound)
+	addExample(time.Minute)
+	addExample(&types.ExecutionResult{
+		Msg:    exampleValue(reflect.TypeOf(&types.Message{})).(*types.Message),
+		MsgRct: exampleValue(reflect.TypeOf(&types.MessageReceipt{})).(*types.MessageReceipt),
+	})
+	addExample(map[string]types.Actor{
+		"t01236": exampleValue(reflect.TypeOf(types.Actor{})).(types.Actor),
+	})
+	addExample(map[string]api.MarketDeal{
+		"t026363": exampleValue(reflect.TypeOf(api.MarketDeal{})).(api.MarketDeal),
+	})
+	addExample(map[string]api.MarketBalance{
+		"t026363": exampleValue(reflect.TypeOf(api.MarketBalance{})).(api.MarketBalance),
+	})
+
+	maddr, err := multiaddr.NewMultiaddr("/ip4/52.36.61.156/tcp/1347/p2p/12D3KooWFETiESTf1v4PGUvtnxMAcEFMzLZbJGg4tjWfGEimYior")
+	if err != nil {
+		panic(err)
+	}
+
+	// because reflect.TypeOf(maddr) returns the concrete type...
+	ExampleValues[reflect.TypeOf(struct{ A multiaddr.Multiaddr }{}).Field(0).Type] = maddr
+
+}
+
+func exampleValue(t reflect.Type) interface{} {
+	v, ok := ExampleValues[t]
+	if ok {
+		return v
+	}
+
+	switch t.Kind() {
+	case reflect.Slice:
+		out := reflect.New(t).Elem()
+		reflect.Append(out, reflect.ValueOf(exampleValue(t.Elem())))
+		return out.Interface()
+	case reflect.Chan:
+		return exampleValue(t.Elem())
+	case reflect.Struct:
+		es := exampleStruct(t)
+		v := reflect.ValueOf(es).Elem().Interface()
+		ExampleValues[t] = v
+		return v
+	case reflect.Array:
+		out := reflect.New(t).Elem()
+		for i := 0; i < t.Len(); i++ {
+			out.Index(i).Set(reflect.ValueOf(exampleValue(t.Elem())))
+		}
+		return out.Interface()
+
+	case reflect.Ptr:
+		if t.Elem().Kind() == reflect.Struct {
+			es := exampleStruct(t.Elem())
+			//ExampleValues[t] = es
+			return es
+		}
+	case reflect.Interface:
+		return struct{}{}
+	}
+
+	panic(fmt.Sprintf("No example value for type: %s", t))
+}
+
+func exampleStruct(t reflect.Type) interface{} {
+	ns := reflect.New(t)
+	for i := 0; i < t.NumField(); i++ {
+		f := t.Field(i)
+		if strings.Title(f.Name) == f.Name {
+			ns.Elem().Field(i).Set(reflect.ValueOf(exampleValue(f.Type)))
+		}
+	}
+
+	return ns.Interface()
+}
+
+type Visitor struct {
+	Methods map[string]ast.Node
+}
+
+func (v *Visitor) Visit(node ast.Node) ast.Visitor {
+	st, ok := node.(*ast.TypeSpec)
+	if !ok {
+		return v
+	}
+
+	if st.Name.Name != "FullNode" {
+		return nil
+	}
+
+	iface := st.Type.(*ast.InterfaceType)
+	for _, m := range iface.Methods.List {
+		if len(m.Names) > 0 {
+			v.Methods[m.Names[0].Name] = m
+		}
+	}
+
+	return v
+}
+
+const noComment = "There are not yet any comments for this method."
+
+func parseApiASTInfo() (map[string]string, map[string]string) { //nolint:golint
+	fset := token.NewFileSet()
+	pkgs, err := parser.ParseDir(fset, "./api", nil, parser.AllErrors|parser.ParseComments)
+	if err != nil {
+		fmt.Println("parse error: ", err)
+	}
+
+	ap := pkgs["api"]
+
+	f := ap.Files["api/api_full.go"]
+
+	cmap := ast.NewCommentMap(fset, f, f.Comments)
+
+	v := &Visitor{make(map[string]ast.Node)}
+	ast.Walk(v, pkgs["api"])
+
+	groupDocs := make(map[string]string)
+	out := make(map[string]string)
+	for mn, node := range v.Methods {
+		cs := cmap.Filter(node).Comments()
+		if len(cs) == 0 {
+			out[mn] = noComment
+		} else {
+			for _, c := range cs {
+				if strings.HasPrefix(c.Text(), "MethodGroup:") {
+					parts := strings.Split(c.Text(), "\n")
+					groupName := strings.TrimSpace(parts[0][12:])
+					comment := strings.Join(parts[1:], "\n")
+					groupDocs[groupName] = comment
+
+					break
+				}
+			}
+
+			last := cs[len(cs)-1].Text()
+			if !strings.HasPrefix(last, "MethodGroup:") {
+				out[mn] = last
+			} else {
+				out[mn] = noComment
+			}
+		}
+	}
+	return out, groupDocs
+}
+
+type MethodGroup struct {
+	GroupName string
+	Header    string
+	Methods   []*Method
+}
+
+type Method struct {
+	Comment         string
+	Name            string
+	InputExample    string
+	ResponseExample string
+}
+
+func methodGroupFromName(mn string) string {
+	i := strings.IndexFunc(mn[1:], func(r rune) bool {
+		return unicode.IsUpper(r)
+	})
+	if i < 0 {
+		return ""
+	}
+	return mn[:i+1]
+}
+
+func main() {
+
+	comments, groupComments := parseApiASTInfo()
+
+	groups := make(map[string]*MethodGroup)
+
+	var api struct{ api.FullNode }
+	t := reflect.TypeOf(api)
+	for i := 0; i < t.NumMethod(); i++ {
+		m := t.Method(i)
+
+		groupName := methodGroupFromName(m.Name)
+
+		g, ok := groups[groupName]
+		if !ok {
+			g = new(MethodGroup)
+			g.Header = groupComments[groupName]
+			g.GroupName = groupName
+			groups[groupName] = g
+		}
+
+		var args []interface{}
+		ft := m.Func.Type()
+		for j := 2; j < ft.NumIn(); j++ {
+			inp := ft.In(j)
+			args = append(args, exampleValue(inp))
+		}
+
+		v, err := json.Marshal(args)
+		if err != nil {
+			panic(err)
+		}
+
+		outv := exampleValue(ft.Out(0))
+
+		ov, err := json.Marshal(outv)
+		if err != nil {
+			panic(err)
+		}
+
+		g.Methods = append(g.Methods, &Method{
+			Name:            m.Name,
+			Comment:         comments[m.Name],
+			InputExample:    string(v),
+			ResponseExample: string(ov),
+		})
+	}
+
+	var groupslice []*MethodGroup
+	for _, g := range groups {
+		groupslice = append(groupslice, g)
+	}
+
+	sort.Slice(groupslice, func(i, j int) bool {
+		return groupslice[i].GroupName < groupslice[j].GroupName
+	})
+
+	for _, g := range groupslice {
+		g := g
+		fmt.Printf("## %s\n", g.GroupName)
+		fmt.Printf("%s\n\n", g.Header)
+
+		sort.Slice(g.Methods, func(i, j int) bool {
+			return g.Methods[i].Name < g.Methods[j].Name
+		})
+
+		for _, m := range g.Methods {
+			fmt.Printf("### %s\n", m.Name)
+			fmt.Printf("%s\n\n", m.Comment)
+
+			fmt.Printf("Inputs: `%s`\n\n", m.InputExample)
+			fmt.Printf("Response: `%s`\n\n", m.ResponseExample)
+		}
+	}
+}
@@ -11,12 +11,22 @@ import (
 	"testing"
 	"time"

-	logging "github.com/ipfs/go-log/v2"
+	"github.com/ipfs/go-cid"

+	files "github.com/ipfs/go-ipfs-files"
+	logging "github.com/ipfs/go-log/v2"
+	"github.com/ipld/go-car"
+
+	"github.com/filecoin-project/go-fil-markets/storagemarket"
 	"github.com/filecoin-project/lotus/api"
 	"github.com/filecoin-project/lotus/build"
+	dag "github.com/ipfs/go-merkledag"
+	dstest "github.com/ipfs/go-merkledag/test"
+	unixfile "github.com/ipfs/go-unixfs/file"
+
 	"github.com/filecoin-project/lotus/chain/types"
 	"github.com/filecoin-project/lotus/node/impl"
+	ipld "github.com/ipfs/go-ipld-format"
 )

 func init() {
@@ -24,11 +34,11 @@ func init() {
 	build.InsecurePoStValidation = true
 }

-func TestDealFlow(t *testing.T, b APIBuilder, blocktime time.Duration) {
-	os.Setenv("BELLMAN_NO_GPU", "1")
+func TestDealFlow(t *testing.T, b APIBuilder, blocktime time.Duration, carExport bool) {
+	_ = os.Setenv("BELLMAN_NO_GPU", "1")

 	ctx := context.Background()
-	n, sn := b(t, 1, []int{0})
+	n, sn := b(t, 1, oneMiner)
 	client := n[0].FullNode.(*impl.FullNodeAPI)
 	miner := sn[0]

@@ -42,21 +52,42 @@ func TestDealFlow(t *testing.T, b APIBuilder, blocktime time.Duration) {
 	}
 	time.Sleep(time.Second)

-	data := make([]byte, 1000)
-	rand.New(rand.NewSource(5)).Read(data)
+	mine := true
+	done := make(chan struct{})
+	go func() {
+		defer close(done)
+		for mine {
+			time.Sleep(blocktime)
+			if err := sn[0].MineOne(ctx, func(bool) {}); err != nil {
+				t.Error(err)
+			}
+		}
+	}()

-	r := bytes.NewReader(data)
-	fcid, err := client.ClientImportLocal(ctx, r)
+	makeDeal(t, ctx, 6, client, miner, carExport)
+
+	mine = false
+	fmt.Println("shutting down mining")
+	<-done
+}
+
+func TestDoubleDealFlow(t *testing.T, b APIBuilder, blocktime time.Duration) {
+	_ = os.Setenv("BELLMAN_NO_GPU", "1")
+
+	ctx := context.Background()
+	n, sn := b(t, 1, oneMiner)
+	client := n[0].FullNode.(*impl.FullNodeAPI)
+	miner := sn[0]
+
+	addrinfo, err := client.NetAddrsListen(ctx)
 	if err != nil {
 		t.Fatal(err)
 	}

-	maddr, err := miner.ActorAddress(ctx)
-	if err != nil {
+	if err := miner.NetConnect(ctx, addrinfo); err != nil {
 		t.Fatal(err)
 	}
-
-	fmt.Println("FILE CID: ", fcid)
+	time.Sleep(time.Second)

 	mine := true
 	done := make(chan struct{})
@@ -65,23 +96,67 @@ func TestDealFlow(t *testing.T, b APIBuilder, blocktime time.Duration) {
 		defer close(done)
 		for mine {
 			time.Sleep(blocktime)
-			fmt.Println("mining a block now")
-			if err := sn[0].MineOne(ctx); err != nil {
+			if err := sn[0].MineOne(ctx, func(bool) {}); err != nil {
 				t.Error(err)
 			}
 		}
 	}()
-	addr, err := client.WalletDefaultAddress(ctx)
-	if err != nil {
-		t.Fatal(err)
-	}
-	deal, err := client.ClientStartDeal(ctx, fcid, addr, maddr, types.NewInt(40000000), 100)
+
+	makeDeal(t, ctx, 6, client, miner, false)
+	makeDeal(t, ctx, 7, client, miner, false)
+
+	mine = false
+	fmt.Println("shutting down mining")
+	<-done
+}
+
+func makeDeal(t *testing.T, ctx context.Context, rseed int, client *impl.FullNodeAPI, miner TestStorageNode, carExport bool) {
+	data := make([]byte, 1600)
+	rand.New(rand.NewSource(int64(rseed))).Read(data)
+
+	r := bytes.NewReader(data)
+	fcid, err := client.ClientImportLocal(ctx, r)
 	if err != nil {
 		t.Fatal(err)
 	}

+	fmt.Println("FILE CID: ", fcid)
+
+	deal := startDeal(t, ctx, miner, client, fcid)
+
 	// TODO: this sleep is only necessary because deals don't immediately get logged in the dealstore, we should fix this
 	time.Sleep(time.Second)
+	waitDealSealed(t, ctx, client, deal)
+
+	// Retrieval
+
+	testRetrieval(t, ctx, err, client, fcid, carExport, data)
+}
+
+func startDeal(t *testing.T, ctx context.Context, miner TestStorageNode, client *impl.FullNodeAPI, fcid cid.Cid) *cid.Cid {
+	maddr, err := miner.ActorAddress(ctx)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	addr, err := client.WalletDefaultAddress(ctx)
+	if err != nil {
+		t.Fatal(err)
+	}
+	deal, err := client.ClientStartDeal(ctx, &api.StartDealParams{
+		Data:              &storagemarket.DataRef{Root: fcid},
+		Wallet:            addr,
+		Miner:             maddr,
+		EpochPrice:        types.NewInt(1000000),
+		MinBlocksDuration: 100,
+	})
+	if err != nil {
+		t.Fatalf("%+v", err)
+	}
+	return deal
+}
+
+func waitDealSealed(t *testing.T, ctx context.Context, client *impl.FullNodeAPI, deal *cid.Cid) {
 loop:
 	for {
 		di, err := client.ClientGetDealInfo(ctx, *deal)
@@ -89,22 +164,22 @@ loop:
 			t.Fatal(err)
 		}
 		switch di.State {
-		case api.DealRejected:
+		case storagemarket.StorageDealProposalRejected:
 			t.Fatal("deal rejected")
-		case api.DealFailed:
+		case storagemarket.StorageDealFailing:
 			t.Fatal("deal failed")
-		case api.DealError:
-			t.Fatal("deal errored")
-		case api.DealComplete:
+		case storagemarket.StorageDealError:
+			t.Fatal("deal errored", di.Message)
+		case storagemarket.StorageDealActive:
 			fmt.Println("COMPLETE", di)
 			break loop
 		}
-		fmt.Println("Deal state: ", api.DealStates[di.State])
+		fmt.Println("Deal state: ", storagemarket.DealStates[di.State])
 		time.Sleep(time.Second / 2)
 	}
+}

-	// Retrieval
-
+func testRetrieval(t *testing.T, ctx context.Context, err error, client *impl.FullNodeAPI, fcid cid.Cid, carExport bool, data []byte) {
 	offers, err := client.ClientFindData(ctx, fcid)
 	if err != nil {
 		t.Fatal(err)
@@ -118,14 +193,18 @@ loop:
 	if err != nil {
 		t.Fatal(err)
 	}
-	defer os.RemoveAll(rpath)
+	defer os.RemoveAll(rpath) //nolint:errcheck

 	caddr, err := client.WalletDefaultAddress(ctx)
 	if err != nil {
 		t.Fatal(err)
 	}

-	err = client.ClientRetrieve(ctx, offers[0].Order(caddr), filepath.Join(rpath, "ret"))
+	ref := &api.FileRef{
+		Path:  filepath.Join(rpath, "ret"),
+		IsCAR: carExport,
+	}
+	err = client.ClientRetrieve(ctx, offers[0].Order(caddr), ref)
 	if err != nil {
 		t.Fatalf("%+v", err)
 	}
@@ -135,11 +214,41 @@ loop:
 		t.Fatal(err)
 	}

+	if carExport {
+		rdata = extractCarData(t, ctx, rdata, rpath)
+	}
+
 	if !bytes.Equal(rdata, data) {
 		t.Fatal("wrong data retrieved")
 	}
+}

-	mine = false
-	fmt.Println("shutting down mining")
-	<-done
+func extractCarData(t *testing.T, ctx context.Context, rdata []byte, rpath string) []byte {
+	bserv := dstest.Bserv()
+	ch, err := car.LoadCar(bserv.Blockstore(), bytes.NewReader(rdata))
+	if err != nil {
+		t.Fatal(err)
+	}
+	b, err := bserv.GetBlock(ctx, ch.Roots[0])
+	if err != nil {
+		t.Fatal(err)
+	}
+	nd, err := ipld.Decode(b)
+	if err != nil {
+		t.Fatal(err)
+	}
+	dserv := dag.NewDAGService(bserv)
+	fil, err := unixfile.NewUnixfsFile(ctx, dserv, nd)
+	if err != nil {
+		t.Fatal(err)
+	}
+	outPath := filepath.Join(rpath, "retLoadedCAR")
+	if err := files.WriteTo(fil, outPath); err != nil {
+		t.Fatal(err)
+	}
+	rdata, err = ioutil.ReadFile(outPath)
+	if err != nil {
+		t.Fatal(err)
+	}
+	return rdata
 }
@@ -1,31 +1,199 @@
 package test

 import (
+	"bytes"
 	"context"
+	"fmt"
+	"math/rand"
+	"os"
+	"sync/atomic"
 	"testing"
+	"time"

+	logging "github.com/ipfs/go-log/v2"
+
+	"github.com/filecoin-project/specs-actors/actors/abi"
 	"github.com/stretchr/testify/require"
+
+	"github.com/filecoin-project/lotus/build"
+	"github.com/filecoin-project/lotus/node/impl"
 )

+var log = logging.Logger("apitest")
+
 func (ts *testSuite) testMining(t *testing.T) {
 	ctx := context.Background()
-	apis, sn := ts.makeNodes(t, 1, []int{0})
+	apis, sn := ts.makeNodes(t, 1, oneMiner)
 	api := apis[0]

 	h1, err := api.ChainHead(ctx)
 	require.NoError(t, err)
-	require.Equal(t, uint64(0), h1.Height())
+	require.Equal(t, abi.ChainEpoch(0), h1.Height())

 	newHeads, err := api.ChainNotify(ctx)
 	require.NoError(t, err)
 	<-newHeads

-	err = sn[0].MineOne(ctx)
+	err = sn[0].MineOne(ctx, func(bool) {})
 	require.NoError(t, err)

 	<-newHeads

 	h2, err := api.ChainHead(ctx)
 	require.NoError(t, err)
-	require.Equal(t, uint64(1), h2.Height())
+	require.Equal(t, abi.ChainEpoch(1), h2.Height())
+}
+
+func (ts *testSuite) testMiningReal(t *testing.T) {
+	build.InsecurePoStValidation = false
+	defer func() {
+		build.InsecurePoStValidation = true
+	}()
+
+	ctx := context.Background()
+	apis, sn := ts.makeNodes(t, 1, oneMiner)
+	api := apis[0]
+
+	h1, err := api.ChainHead(ctx)
+	require.NoError(t, err)
+	require.Equal(t, abi.ChainEpoch(0), h1.Height())
+
+	newHeads, err := api.ChainNotify(ctx)
+	require.NoError(t, err)
+	<-newHeads
+
+	err = sn[0].MineOne(ctx, func(bool) {})
+	require.NoError(t, err)
+
+	<-newHeads
+
+	h2, err := api.ChainHead(ctx)
+	require.NoError(t, err)
+	require.Equal(t, abi.ChainEpoch(1), h2.Height())
+
+	err = sn[0].MineOne(ctx, func(bool) {})
+	require.NoError(t, err)
+
+	<-newHeads
+
+	h2, err = api.ChainHead(ctx)
+	require.NoError(t, err)
+	require.Equal(t, abi.ChainEpoch(2), h2.Height())
+}
+
+func TestDealMining(t *testing.T, b APIBuilder, blocktime time.Duration, carExport bool) {
+	_ = os.Setenv("BELLMAN_NO_GPU", "1")
+
+	// test making a deal with a fresh miner, and see if it starts to mine
+
+	ctx := context.Background()
+	n, sn := b(t, 1, []StorageMiner{
+		{Full: 0, Preseal: PresealGenesis},
+		{Full: 0, Preseal: 0}, // TODO: Add support for storage miners on non-first full node
+	})
+	client := n[0].FullNode.(*impl.FullNodeAPI)
+	provider := sn[1]
+	genesisMiner := sn[0]
+
+	addrinfo, err := client.NetAddrsListen(ctx)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if err := provider.NetConnect(ctx, addrinfo); err != nil {
+		t.Fatal(err)
+	}
+
+	if err := genesisMiner.NetConnect(ctx, addrinfo); err != nil {
+		t.Fatal(err)
+	}
+
+	time.Sleep(time.Second)
+
+	data := make([]byte, 600)
+	rand.New(rand.NewSource(5)).Read(data)
+
+	r := bytes.NewReader(data)
+	fcid, err := client.ClientImportLocal(ctx, r)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	fmt.Println("FILE CID: ", fcid)
+
+	var mine int32 = 1
+	done := make(chan struct{})
+	minedTwo := make(chan struct{})
+
+	go func() {
+		defer close(done)
+
+		prevExpect := 0
+		for atomic.LoadInt32(&mine) != 0 {
+			wait := make(chan int, 2)
+			mdone := func(mined bool) {
+				go func() {
+					n := 0
+					if mined {
+						n = 1
+					}
+					wait <- n
+				}()
+			}
+
+			if err := sn[0].MineOne(ctx, mdone); err != nil {
+				t.Error(err)
+			}
+
+			if err := sn[1].MineOne(ctx, mdone); err != nil {
+				t.Error(err)
+			}
+
+			expect := <-wait
+			expect += <-wait
+
+			time.Sleep(blocktime)
+
+			for {
+				n := 0
+				for i, node := range sn {
+					mb, err := node.MiningBase(ctx)
+					if err != nil {
+						t.Error(err)
+						return
+					}
+
+					if len(mb.Cids()) != expect {
+						log.Warnf("node %d mining base not complete (%d, want %d)", i, len(mb.Cids()), expect)
+						continue
+					}
+					n++
+				}
+				if n == len(sn) {
+					break
+				}
+				time.Sleep(blocktime)
+			}
+
+			if prevExpect == 2 && expect == 2 && minedTwo != nil {
+				close(minedTwo)
+				minedTwo = nil
+			}
+
+			prevExpect = expect
+		}
+	}()
+
+	deal := startDeal(t, ctx, provider, client, fcid)
+
+	// TODO: this sleep is only necessary because deals don't immediately get logged in the dealstore, we should fix this
+	time.Sleep(time.Second)
+
+	waitDealSealed(t, ctx, client, deal)
+
+	<-minedTwo
+
+	atomic.StoreInt32(&mine, 0)
+	fmt.Println("shutting down mining")
+	<-done
 }
@@ -4,9 +4,11 @@ import (
 	"context"
 	"testing"

+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+
 	"github.com/filecoin-project/lotus/api"
 	"github.com/filecoin-project/lotus/build"
-	"github.com/stretchr/testify/assert"
 )

 type TestNode struct {
@@ -16,7 +18,16 @@ type TestNode struct {
 type TestStorageNode struct {
 	api.StorageMiner

-	MineOne func(context.Context) error
+	MineOne func(context.Context, func(bool)) error
+}
+
+var PresealGenesis = -1
+
+const GenesisPreseals = 2
+
+type StorageMiner struct {
+	Full    int
+	Preseal int
 }

 // APIBuilder is a function which is invoked in test suite to provide
@@ -24,7 +35,7 @@ type TestStorageNode struct {
 //
 // storage array defines storage nodes, numbers in the array specify full node
 // index the storage node 'belongs' to
-type APIBuilder func(t *testing.T, nFull int, storage []int) ([]TestNode, []TestStorageNode)
+type APIBuilder func(t *testing.T, nFull int, storage []StorageMiner) ([]TestNode, []TestStorageNode)
 type testSuite struct {
 	makeNodes APIBuilder
 }
@@ -39,25 +50,26 @@ func TestApis(t *testing.T, b APIBuilder) {
 	t.Run("id", ts.testID)
 	t.Run("testConnectTwo", ts.testConnectTwo)
 	t.Run("testMining", ts.testMining)
+	t.Run("testMiningReal", ts.testMiningReal)
 }

+var oneMiner = []StorageMiner{{Full: 0, Preseal: PresealGenesis}}
+
 func (ts *testSuite) testVersion(t *testing.T) {
 	ctx := context.Background()
-	apis, _ := ts.makeNodes(t, 1, []int{0})
+	apis, _ := ts.makeNodes(t, 1, oneMiner)
 	api := apis[0]

 	v, err := api.Version(ctx)
 	if err != nil {
 		t.Fatal(err)
 	}
-	if v.Version != build.BuildVersion {
-		t.Error("Version didn't work properly")
-	}
+	require.Equal(t, v.Version, build.BuildVersion)
 }

 func (ts *testSuite) testID(t *testing.T) {
 	ctx := context.Background()
-	apis, _ := ts.makeNodes(t, 1, []int{0})
+	apis, _ := ts.makeNodes(t, 1, oneMiner)
 	api := apis[0]

 	id, err := api.ID(ctx)
@@ -69,7 +81,7 @@ func (ts *testSuite) testID(t *testing.T) {

 func (ts *testSuite) testConnectTwo(t *testing.T) {
 	ctx := context.Background()
-	apis, _ := ts.makeNodes(t, 2, []int{0})
+	apis, _ := ts.makeNodes(t, 2, oneMiner)

 	p, err := apis[0].NetPeers(ctx)
 	if err != nil {
@@ -0,0 +1,169 @@
+package test
+
+import (
+	"context"
+	"fmt"
+	"github.com/filecoin-project/lotus/api"
+	"os"
+	"strings"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/require"
+
+	"github.com/filecoin-project/specs-actors/actors/abi"
+	miner2 "github.com/filecoin-project/specs-actors/actors/builtin/miner"
+	sealing "github.com/filecoin-project/storage-fsm"
+
+	"github.com/filecoin-project/lotus/chain/types"
+	"github.com/filecoin-project/lotus/node/impl"
+)
+
+func TestPledgeSector(t *testing.T, b APIBuilder, blocktime time.Duration, nSectors int) {
+	os.Setenv("BELLMAN_NO_GPU", "1")
+
+	ctx := context.Background()
+	n, sn := b(t, 1, oneMiner)
+	client := n[0].FullNode.(*impl.FullNodeAPI)
+	miner := sn[0]
+
+	addrinfo, err := client.NetAddrsListen(ctx)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if err := miner.NetConnect(ctx, addrinfo); err != nil {
+		t.Fatal(err)
+	}
+	time.Sleep(time.Second)
+
+	mine := true
+	done := make(chan struct{})
+	go func() {
+		defer close(done)
+		for mine {
+			time.Sleep(blocktime)
+			if err := sn[0].MineOne(ctx, func(bool) {}); err != nil {
+				t.Error(err)
+			}
+		}
+	}()
+
+	pledgeSectors(t, ctx, miner, nSectors)
+
+	mine = false
+	<-done
+}
+
+func pledgeSectors(t *testing.T, ctx context.Context, miner TestStorageNode, n int) {
+	for i := 0; i < n; i++ {
+		err := miner.PledgeSector(ctx)
+		require.NoError(t, err)
+	}
+
+	for {
+		s, err := miner.SectorsList(ctx) // Note - the test builder doesn't import genesis sectors into FSM
+		require.NoError(t, err)
+		fmt.Printf("Sectors: %d\n", len(s))
+		if len(s) >= n {
+			break
+		}
+
+		time.Sleep(100 * time.Millisecond)
+	}
+
+	fmt.Printf("All sectors is fsm\n")
+
+	s, err := miner.SectorsList(ctx)
+	require.NoError(t, err)
+
+	toCheck := map[abi.SectorNumber]struct{}{}
+	for _, number := range s {
+		toCheck[number] = struct{}{}
+	}
+
+	for len(toCheck) > 0 {
+		for n := range toCheck {
+			st, err := miner.SectorsStatus(ctx, n)
+			require.NoError(t, err)
+			if st.State == api.SectorState(sealing.Proving) {
+				delete(toCheck, n)
+			}
+			if strings.Contains(string(st.State), "Fail") {
+				t.Fatal("sector in a failed state", st.State)
+			}
+		}
+
+		time.Sleep(100 * time.Millisecond)
+		fmt.Printf("WaitSeal: %d\n", len(s))
+	}
+}
+
+func TestWindowPost(t *testing.T, b APIBuilder, blocktime time.Duration, nSectors int) {
+	os.Setenv("BELLMAN_NO_GPU", "1")
+
+	ctx := context.Background()
+	n, sn := b(t, 1, oneMiner)
+	client := n[0].FullNode.(*impl.FullNodeAPI)
+	miner := sn[0]
+
+	addrinfo, err := client.NetAddrsListen(ctx)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if err := miner.NetConnect(ctx, addrinfo); err != nil {
+		t.Fatal(err)
+	}
+	time.Sleep(time.Second)
+
+	mine := true
+	done := make(chan struct{})
+	go func() {
+		defer close(done)
+		for mine {
+			time.Sleep(blocktime)
+			if err := sn[0].MineOne(ctx, func(bool) {}); err != nil {
+				t.Error(err)
+			}
+		}
+	}()
+
+	pledgeSectors(t, ctx, miner, nSectors)
+
+	maddr, err := miner.ActorAddress(ctx)
+	require.NoError(t, err)
+
+	di, err := client.StateMinerProvingDeadline(ctx, maddr, types.EmptyTSK)
+	require.NoError(t, err)
+
+	fmt.Printf("Running one proving periods\n")
+
+	for {
+		head, err := client.ChainHead(ctx)
+		require.NoError(t, err)
+
+		if head.Height() > di.PeriodStart+(miner2.WPoStProvingPeriod)+2 {
+			break
+		}
+
+		if head.Height()%100 == 0 {
+			fmt.Printf("@%d\n", head.Height())
+		}
+		time.Sleep(blocktime)
+	}
+
+	p, err := client.StateMinerPower(ctx, maddr, types.EmptyTSK)
+	require.NoError(t, err)
+
+	ssz, err := miner.ActorSectorSize(ctx, maddr)
+	require.NoError(t, err)
+
+	require.Equal(t, p.MinerPower, p.TotalPower)
+	require.Equal(t, p.MinerPower.RawBytePower, types.NewInt(uint64(ssz)*uint64(nSectors+GenesisPreseals)))
+
+	// TODO: Inject faults here
+
+	mine = false
+	<-done
+}
@@ -3,40 +3,12 @@ package api
 import (
 	"encoding/json"

+	"github.com/libp2p/go-libp2p-core/peer"
 	ma "github.com/multiformats/go-multiaddr"
 )

-type DealState = uint64
-
-const (
-	DealUnknown  = DealState(iota)
-	DealRejected // Provider didn't like the proposal
-	DealAccepted // Proposal accepted, data moved
-	DealStaged   // Data put into the sector
-	DealSealing  // Data in process of being sealed
-
-	DealFailed
-	DealComplete
-
-	// Internal
-
-	DealError // deal failed with an unexpected error
-
-	DealNoUpdate = DealUnknown
-)
-
-var DealStates = []string{
-	"DealUnknown",
-	"DealRejected",
-	"DealAccepted",
-	"DealStaged",
-	"DealSealing",
-	"DealFailed",
-	"DealComplete",
-	"DealError",
-}
-
 // TODO: check if this exists anywhere else
+
 type MultiaddrSlice []ma.Multiaddr

 func (m *MultiaddrSlice) UnmarshalJSON(raw []byte) (err error) {
@@ -57,3 +29,13 @@ func (m *MultiaddrSlice) UnmarshalJSON(raw []byte) (err error) {
 }

 var _ json.Unmarshaler = new(MultiaddrSlice)
+
+type ObjStat struct {
+	Size  uint64
+	Links uint64
+}
+
+type PubsubScore struct {
+	ID    peer.ID
+	Score float64
+}
@@ -4,12 +4,12 @@ import (
 	"context"

 	"github.com/filecoin-project/go-address"
-	"github.com/filecoin-project/lotus/chain/types"
+	"github.com/filecoin-project/specs-actors/actors/crypto"
 )

-type SignFunc = func(context.Context, []byte) (*types.Signature, error)
+type SignFunc = func(context.Context, []byte) (*crypto.Signature, error)

-type Signer func(context.Context, address.Address, []byte) (*types.Signature, error)
+type Signer func(context.Context, address.Address, []byte) (*crypto.Signature, error)

 type Signable interface {
 	Sign(context.Context, SignFunc) error
@@ -17,7 +17,7 @@ type Signable interface {

 func SignWith(ctx context.Context, signer Signer, addr address.Address, signable ...Signable) error {
 	for _, s := range signable {
-		err := s.Sign(ctx, func(ctx context.Context, b []byte) (*types.Signature, error) {
+		err := s.Sign(ctx, func(ctx context.Context, b []byte) (*crypto.Signature, error) {
 			return signer(ctx, addr, b)
 		})
 		if err != nil {
@@ -1,177 +0,0 @@
-#!/bin/sh
-
-GOCC=${GOCC=go}
-
-die() {
-	echo "$@" >&2
-	exit 1
-}
-
-have_binary() {
-	type "$1" > /dev/null 2> /dev/null
-}
-
-check_writable() {
-	printf "" > "$1" && rm "$1"
-}
-
-try_download() {
-	url="$1"
-	output="$2"
-	command="$3"
-	util_name="$(set -- $command; echo "$1")"
-
-	if ! have_binary "$util_name"; then
-		return 1
-	fi
-
-	printf '==> Using %s to download "%s" to "%s"\n' "$util_name" "$url" "$output"
-	if eval "$command"; then
-		echo "==> Download complete!"
-		return
-	else
-		echo "error: couldn't download with $util_name ($?)"
-		return 1
-	fi
-}
-
-download() {
-	dl_url="$1"
-	dl_output="$2"
-
-	test "$#" -eq "2" || die "download requires exactly two arguments, was given $@"
-
-	if ! check_writable "$dl_output"; then
-		die "download error: cannot write to $dl_output"
-	fi
-
-	try_download "$dl_url" "$dl_output" "wget '$dl_url' -O '$dl_output'" && return
-	try_download "$dl_url" "$dl_output" "curl --silent --fail --output '$dl_output' '$dl_url'" && return
-	try_download "$dl_url" "$dl_output" "fetch '$dl_url' -o '$dl_output'" && return
-	try_download "$dl_url" "$dl_output" "http '$dl_url' > '$dl_output'" && return
-	try_download "$dl_url" "$dl_output" "ftp -o '$dl_output' '$dl_url'" && return
-
-	die "Unable to download $dl_url. exiting."
-}
-
-unarchive() {
-	ua_archivetype="$1"
-	ua_infile="$2"
-	ua_outfile="$3"
-	ua_distname="$4"
-	ua_binpostfix=""
-	ua_os=$(uname -o)
-
-	if [ "$ua_os" = "Msys" ] || [ "$ua_os" = "Cygwin" ] ; then
-	    ua_binpostfix=".exe"
-	fi
-	ua_outfile="$ua_outfile$ua_binpostfix"
-
-	if ! check_writable "$ua_outfile"; then
-		die "unarchive error: cannot write to $ua_outfile"
-	fi
-
-	case "$ua_archivetype" in
-		tar.gz)
-			if have_binary tar; then
-				echo "==> using 'tar' to extract binary from archive"
-				< "$ua_infile" tar -Ozxf - "$ua_distname/$ua_distname$ua_binpostfix" > "$ua_outfile" \
-					|| die "tar has failed"
-			else
-				die "no binary on system for extracting tar files"
-			fi
-			;;
-		zip)
-			if have_binary unzip; then
-				echo "==> using 'unzip' to extract binary from archive"
-				unzip -p "$ua_infile" "$ua_distname/$ua_distname$ua_binpostfix" > "$ua_outfile" \
-					|| die "unzip has failed"
-			else
-				die "no installed method for extracting .zip archives"
-			fi
-			;;
-		*)
-			die "unrecognized archive type '$ua_archivetype'"
-	esac
-
-	chmod +x "$ua_outfile" || die "chmod has failed"
-}
-
-get_go_vars() {
-	if [ ! -z "$GOOS" ] && [ ! -z "$GOARCH" ]; then
-		printf "%s-%s" "$GOOS" "$GOARCH"
-	elif have_binary go; then
-		printf "%s-%s" "$($GOCC env GOOS)" "$($GOCC env GOARCH)"
-	else
-		die "no way of determining system GOOS and GOARCH\nPlease manually set GOOS and GOARCH then retry."
-	fi
-}
-
-mkurl() {
-	m_root="$1"
-	m_name="$2"
-	m_vers="$3"
-	m_archive="$4"
-	m_govars=$(get_go_vars) || die "could not get go env vars"
-
-	echo "https://ipfs.io$m_root/$m_name/$m_vers/${m_name}_${m_vers}_$m_govars.$m_archive"
-}
-
-distroot="$1"
-distname="$2"
-outpath="$3"
-version="$4"
-
-if [ -z "$distroot" ] || [ -z "$distname" ] || [ -z "$outpath" ] || [ -z "$version" ]; then
-	die "usage: dist_get <distroot> <distname> <outpath> <version>"
-fi
-
-case $version in
-	v*)
-		# correct input
-		;;
-	*)
-		echo "invalid version '$version'" >&2
-		die "versions must begin with 'v', for example: v0.4.0"
-		;;
-esac
-
-# TODO: don't depend on the go tool being installed to detect this
-goenv=$(get_go_vars) || die "could not get go env vars"
-
-case $goenv in
-	linux-*)
-		archive="tar.gz"
-		;;
-	darwin-*)
-		archive="tar.gz"
-		;;
-	windows-*)
-		archive="zip"
-		;;
-	freebsd-*)
-		archive="tar.gz"
-		;;
-	openbsd-*)
-		archive="tar.gz"
-		;;
-	*)
-		echo "unrecognized system environment: $goenv" >&2
-		die "currently only linux, darwin, windows and freebsd are supported by this script"
-esac
-
-
-mkdir -p bin/tmp
-
-url=$(mkurl "$distroot" "$distname" "$version" "$archive")
-tmpfi="bin/tmp/$distname.$archive"
-
-download "$url" "$tmpfi"
-if [ $? -ne 0 ]; then
-	die "failed to download $url to $tmpfi"
-fi
-
-unarchive "$archive" "$tmpfi" "$outpath" "$distname"
-if [ $? -ne 0 ]; then
-	die "failed to extract archive $tmpfi"
-fi
@@ -1,6 +1,12 @@
-/dns4/lotus-bootstrap-0.sin.fil-test.net/tcp/1347/p2p/12D3KooWLZs8BWtEzRTYET4yR4jzDtPamaA1YsyPQJq6cf2RfxBD
-/dns4/lotus-bootstrap-1.sin.fil-test.net/tcp/1347/p2p/12D3KooWGvrgjWw4Yqo4AFWqYp4g37FpUvUCQBkNWudZVSwR9tY1
-/dns4/lotus-bootstrap-0.fra.fil-test.net/tcp/1347/p2p/12D3KooWSfNcrD1cs5Cj5eSHbK6nHCqJLffAuPqvRMBRgvUdqQhX
-/dns4/lotus-bootstrap-1.fra.fil-test.net/tcp/1347/p2p/12D3KooWNkXyVPspUnrHUiSC3VJPMcXvHuNdy3BTCLTPPnDgwwTT
-/dns4/lotus-bootstrap-0.dfw.fil-test.net/tcp/1347/p2p/12D3KooWSgJWJZK8LTRtCWzPa5FQheCFJjHpficVYgEQWeimcqCu
-/dns4/lotus-bootstrap-1.dfw.fil-test.net/tcp/1347/p2p/12D3KooWFPaC4dyGpbNXCpVHjZucdJnDwmv4ng9tponPx5GrzJkT
+/dns4/bootstrap-0-sin.fil-test.net/tcp/1347/p2p/12D3KooWKNF7vNFEhnvB45E9mw2B5z6t419W3ziZPLdUDVnLLKGs
+/ip4/86.109.15.57/tcp/1347/p2p/12D3KooWKNF7vNFEhnvB45E9mw2B5z6t419W3ziZPLdUDVnLLKGs
+/dns4/bootstrap-0-dfw.fil-test.net/tcp/1347/p2p/12D3KooWECJTm7RUPyGfNbRwm6y2fK4wA7EB8rDJtWsq5AKi7iDr
+/ip4/139.178.84.45/tcp/1347/p2p/12D3KooWECJTm7RUPyGfNbRwm6y2fK4wA7EB8rDJtWsq5AKi7iDr
+/dns4/bootstrap-0-fra.fil-test.net/tcp/1347/p2p/12D3KooWC7MD6m7iNCuDsYtNr7xVtazihyVUizBbhmhEiyMAm9ym
+/ip4/136.144.49.17/tcp/1347/p2p/12D3KooWC7MD6m7iNCuDsYtNr7xVtazihyVUizBbhmhEiyMAm9ym
+/dns4/bootstrap-1-sin.fil-test.net/tcp/1347/p2p/12D3KooWD8eYqsKcEMFax6EbWN3rjA7qFsxCez2rmN8dWqkzgNaN
+/ip4/86.109.15.55/tcp/1347/p2p/12D3KooWD8eYqsKcEMFax6EbWN3rjA7qFsxCez2rmN8dWqkzgNaN
+/dns4/bootstrap-1-dfw.fil-test.net/tcp/1347/p2p/12D3KooWLB3RR8frLAmaK4ntHC2dwrAjyGzQgyUzWxAum1FxyyqD
+/ip4/139.178.84.41/tcp/1347/p2p/12D3KooWLB3RR8frLAmaK4ntHC2dwrAjyGzQgyUzWxAum1FxyyqD
+/dns4/bootstrap-1-fra.fil-test.net/tcp/1347/p2p/12D3KooWGPDJAw3HW4uVU3JEQBfFaZ1kdpg4HvvwRMVpUYbzhsLQ
+/ip4/136.144.49.131/tcp/1347/p2p/12D3KooWGPDJAw3HW4uVU3JEQBfFaZ1kdpg4HvvwRMVpUYbzhsLQ
@@ -1,7 +1 @@
 package build
-
-const ForkBlizzardHeight = 6288
-
-const ForkFrigidHeight = 7950
-
-const ForkBootyBayHeight = 11000
@@ -2,4 +2,6 @@ package build

 import rice "github.com/GeertJohan/go.rice"

-var ParametersJson = rice.MustFindBox("proof-params").MustBytes("parameters.json")
+func ParametersJSON() []byte {
+	return rice.MustFindBox("proof-params").MustBytes("parameters.json")
+}
@@ -0,0 +1,35 @@
+// +build debug 2k
+
+package build
+
+import (
+	"github.com/filecoin-project/specs-actors/actors/abi"
+	"github.com/filecoin-project/specs-actors/actors/abi/big"
+	"github.com/filecoin-project/specs-actors/actors/builtin/miner"
+	"github.com/filecoin-project/specs-actors/actors/builtin/power"
+	"github.com/filecoin-project/specs-actors/actors/builtin/verifreg"
+)
+
+func init() {
+	power.ConsensusMinerMinPower = big.NewInt(2048)
+	miner.SupportedProofTypes = map[abi.RegisteredProof]struct{}{
+		abi.RegisteredProof_StackedDRG2KiBSeal: {},
+	}
+	verifreg.MinVerifiedDealSize = big.NewInt(256)
+
+	BuildType |= Build2k
+}
+
+// Seconds
+const BlockDelay = 2
+
+const PropagationDelay = 3
+
+// SlashablePowerDelay is the number of epochs after ElectionPeriodStart, after
+// which the miner is slashed
+//
+// Epochs
+const SlashablePowerDelay = 20
+
+// Epochs
+const InteractivePoRepConfidence = 6
@@ -2,30 +2,9 @@

 package build

-var SectorSizes = []uint64{1024}
+func init() {
+	InsecurePoStValidation = true
+	BuildType |= BuildDebug
+}

-// Seconds
-const BlockDelay = 6
-
-const PropagationDelay = 3
-
-// FallbackPoStDelay is the number of epochs the miner needs to wait after
-//  ElectionPeriodStart before starting fallback post computation
-//
-// Epochs
-const FallbackPoStDelay = 10
-
-// SlashablePowerDelay is the number of epochs after ElectionPeriodStart, after
-// which the miner is slashed
-//
-// Epochs
-const SlashablePowerDelay = 20
-
-// Epochs
-const InteractivePoRepDelay = 2
-
-// Epochs
-const InteractivePoRepConfidence = 6
-
-// Bytes
-var MinimumMinerPower uint64 = 2 << 10 // 2KiB
+// NOTE: Also includes settings from params_2k
@@ -2,31 +2,49 @@ package build

 import (
 	"math/big"
+	"sort"
+
+	"github.com/libp2p/go-libp2p-core/protocol"
+
+	"github.com/filecoin-project/specs-actors/actors/abi"
+	"github.com/filecoin-project/specs-actors/actors/builtin"
+	"github.com/filecoin-project/specs-actors/actors/builtin/miner"
+
+	"github.com/filecoin-project/lotus/node/modules/dtypes"
 )

+func DefaultSectorSize() abi.SectorSize {
+	szs := make([]abi.SectorSize, 0, len(miner.SupportedProofTypes))
+	for spt := range miner.SupportedProofTypes {
+		ss, err := spt.SectorSize()
+		if err != nil {
+			panic(err)
+		}
+
+		szs = append(szs, ss)
+	}
+
+	sort.Slice(szs, func(i, j int) bool {
+		return szs[i] < szs[j]
+	})
+
+	return szs[0]
+}
+
 // Core network constants

+func BlocksTopic(netName dtypes.NetworkName) string   { return "/fil/blocks/" + string(netName) }
+func MessagesTopic(netName dtypes.NetworkName) string { return "/fil/msgs/" + string(netName) }
+func DhtProtocolName(netName dtypes.NetworkName) protocol.ID {
+	return protocol.ID("/fil/kad/" + string(netName))
+}
+
 // /////
 // Storage

 const UnixfsChunkSize uint64 = 1 << 20
 const UnixfsLinksPerLevel = 1024

-func SupportedSectorSize(ssize uint64) bool {
-	for _, ss := range SectorSizes {
-		if ssize == ss {
-			return true
-		}
-	}
-	return false
-}
-
-// /////
-// Payments
-
-// Epochs
-const PaymentChannelClosingDelay = 6 * 60 * 60 / BlockDelay // six hours
-
 // /////
 // Consensus / Network

@@ -37,10 +55,11 @@ const AllowableClockDrift = 1
 const ForkLengthThreshold = Finality

 // Blocks (e)
-const BlocksPerEpoch = 5
+var BlocksPerEpoch = uint64(builtin.ExpectedLeadersPerEpoch)

 // Epochs
-const Finality = 500
+const Finality = miner.ChainFinalityish
+const MessageConfidence = 5

 // constants for Weight calculation
 // The ratio of weight contributed by short-term vs long-term factors in a given round
@@ -54,20 +73,18 @@ const WRatioDen = 2
 const SealRandomnessLookback = Finality

 // Epochs
-const SealRandomnessLookbackLimit = SealRandomnessLookback + 2000
+const SealRandomnessLookbackLimit = SealRandomnessLookback + 2000 // TODO: Get from spec specs-actors

 // Maximum lookback that randomness can be sourced from for a seal proof submission
-const MaxSealLookback = SealRandomnessLookbackLimit + 2000
+const MaxSealLookback = SealRandomnessLookbackLimit + 2000 // TODO: Get from specs-actors

 // /////
 // Mining

 // Epochs
-const EcRandomnessLookback = 300
+const TicketRandomnessLookback = 1

-const PowerCollateralProportion = 5
-const PerCapitaCollateralProportion = 1
-const CollateralPrecision = 1000
+const WinningPoStSectorSetLookback = 10

 // /////
 // Devnet settings
@@ -75,23 +92,15 @@ const CollateralPrecision = 1000
 const TotalFilecoin = 2_000_000_000
 const MiningRewardTotal = 1_400_000_000

-const InitialRewardStr = "153856861913558700202"
-
-var InitialReward *big.Int
-
 const FilecoinPrecision = 1_000_000_000_000_000_000

+var InitialRewardBalance *big.Int
+
 // TODO: Move other important consts here

 func init() {
-	InitialReward = new(big.Int)
-
-	var ok bool
-	InitialReward, ok = InitialReward.
-		SetString(InitialRewardStr, 10)
-	if !ok {
-		panic("could not parse InitialRewardStr")
-	}
+	InitialRewardBalance = big.NewInt(MiningRewardTotal)
+	InitialRewardBalance = InitialRewardBalance.Mul(InitialRewardBalance, big.NewInt(FilecoinPrecision))
 }

 // Sync
@@ -101,8 +110,15 @@ const BadBlockCacheSize = 1 << 15
 // 10 block reorg.
 const BlsSignatureCacheSize = 40000

+// Size of signature verification cache
+// 32k keeps the cache around 10MB in size, max
+const VerifSigCacheSize = 32000
+
 // ///////
 // Limits

+// TODO: If this is gonna stay, it should move to specs-actors
 const BlockMessageLimit = 512
-const MinerMaxSectors = 1 << 48
+const BlockGasLimit = 100_000_000_000
+
+var DrandChain = `{"public_key":"922a2e93828ff83345bae533f5172669a26c02dc76d6bf59c80892e12ab1455c229211886f35bb56af6d5bea981024df","period":25,"genesis_time":1590445175,"hash":"138a324aa6540f93d0dad002aa89454b1bec2b6e948682cde6bd4db40f4b7c9b"}`
@@ -1,33 +1,26 @@
 // +build !debug
+// +build !2k

 package build

-var SectorSizes = []uint64{
-	32 << 30,
+import (
+	"github.com/filecoin-project/specs-actors/actors/abi"
+	"github.com/filecoin-project/specs-actors/actors/abi/big"
+	"github.com/filecoin-project/specs-actors/actors/builtin"
+	"github.com/filecoin-project/specs-actors/actors/builtin/miner"
+	"github.com/filecoin-project/specs-actors/actors/builtin/power"
+)
+
+func init() {
+	power.ConsensusMinerMinPower = big.NewInt(1024 << 20)
+	miner.SupportedProofTypes = map[abi.RegisteredProof]struct{}{
+		abi.RegisteredProof_StackedDRG512MiBSeal: {},
+		abi.RegisteredProof_StackedDRG32GiBSeal:  {},
+		abi.RegisteredProof_StackedDRG64GiBSeal:  {},
+	}
 }

 // Seconds
-const BlockDelay = 45
+const BlockDelay = builtin.EpochDurationSeconds

 const PropagationDelay = 6
-
-// FallbackPoStDelay is the number of epochs the miner needs to wait after
-//  ElectionPeriodStart before starting fallback post computation
-//
-// Epochs
-const FallbackPoStDelay = 30
-
-// SlashablePowerDelay is the number of epochs after ElectionPeriodStart, after
-// which the miner is slashed
-//
-// Epochs
-const SlashablePowerDelay = 200
-
-// Epochs
-const InteractivePoRepDelay = 8
-
-// Epochs
-const InteractivePoRepConfidence = 6
-
-// Bytes
-var MinimumMinerPower uint64 = 512 << 30 // 512GB
@@ -1,103 +1,152 @@
 {
-  "v20-proof-of-spacetime-election-5f585aca354eb68e411c8582ed0efd800792430e4e76d73468c4fc03f1a8d6d2.params": {
-    "cid": "QmX7tYeNPWae2fjZ3Am6GB9dmHvLqvoz8dKo3PR98VYxH9",
-    "digest": "39a9edec3355516674f0d12b926be493",
+  "v26-proof-of-spacetime-fallback-merkletree-poseidon_hasher-8-0-0-0170db1f394b35d995252228ee359194b13199d259380541dc529fb0099096b0.params": {
+    "cid": "QmYkygifkXnrnsN4MJsjBFHTQJHx294CyikDgDK8nYxdGh",
+    "digest": "df3f30442a6d6b4192f5071fb17e820c",
+    "sector_size": 2048
+  },
+  "v26-proof-of-spacetime-fallback-merkletree-poseidon_hasher-8-0-0-0170db1f394b35d995252228ee359194b13199d259380541dc529fb0099096b0.vk": {
+    "cid": "QmdXyqbmy2bkJA9Kyhh6z25GrTCq48LwX6c1mxPsm54wi7",
+    "digest": "0bea3951abf9557a3569f68e52a30c6c",
+    "sector_size": 2048
+  },
+  "v26-proof-of-spacetime-fallback-merkletree-poseidon_hasher-8-0-0-0cfb4f178bbb71cf2ecfcd42accce558b27199ab4fb59cb78f2483fe21ef36d9.params": {
+    "cid": "Qmf5XZZtP5VcYTf65MbKjLVabcS6cYMbr2rFShmfJzh5e5",
+    "digest": "655e6277638edc8c658094f6f0b33d54",
+    "sector_size": 536870912
+  },
+  "v26-proof-of-spacetime-fallback-merkletree-poseidon_hasher-8-0-0-0cfb4f178bbb71cf2ecfcd42accce558b27199ab4fb59cb78f2483fe21ef36d9.vk": {
+    "cid": "QmPuhdWnAXBks43emnkqi9FQzyU1gASKyz23zrD27BPGs8",
+    "digest": "57690e3a6a94c3f704802a674b34f36b",
+    "sector_size": 536870912
+  },
+  "v26-proof-of-spacetime-fallback-merkletree-poseidon_hasher-8-0-0-3ea05428c9d11689f23529cde32fd30aabd50f7d2c93657c1d3650bca3e8ea9e.params": {
+    "cid": "QmPNVgTN7N5vDtD5u7ERMTLcvUtrKRBfYVUDr6uW3pKhX7",
+    "digest": "3d390654f58e603b896ac70c653f5676",
+    "sector_size": 2048
+  },
+  "v26-proof-of-spacetime-fallback-merkletree-poseidon_hasher-8-0-0-3ea05428c9d11689f23529cde32fd30aabd50f7d2c93657c1d3650bca3e8ea9e.vk": {
+    "cid": "Qmbj61Zez7v5xA7nSCnmWbyLYznWJDWeusz7Yg8EcgVdoN",
+    "digest": "8c170a164743c39576a7f47a1b51e6f3",
+    "sector_size": 2048
+  },
+  "v26-proof-of-spacetime-fallback-merkletree-poseidon_hasher-8-0-0-50c7368dea9593ed0989e70974d28024efa9d156d585b7eea1be22b2e753f331.params": {
+    "cid": "QmRApb8RZoBK3cqicT7V3ydXg8yVvqPFMPrQNXP33aBihp",
+    "digest": "b1b58ff9a297b82885e8a7dfb035f83c",
+    "sector_size": 8388608
+  },
+  "v26-proof-of-spacetime-fallback-merkletree-poseidon_hasher-8-0-0-50c7368dea9593ed0989e70974d28024efa9d156d585b7eea1be22b2e753f331.vk": {
+    "cid": "QmcytF1dTdqMFoyXi931j1RgmGtLfR9LLLaBznRt1tPQyD",
+    "digest": "1a09e00c641f192f55af3433a028f050",
+    "sector_size": 8388608
+  },
+  "v26-proof-of-spacetime-fallback-merkletree-poseidon_hasher-8-0-0-5294475db5237a2e83c3e52fd6c2b03859a1831d45ed08c4f35dbf9a803165a9.params": {
+    "cid": "QmPvr54tWaVeP4WnekivzUAJitTqsQfvikBvAHNEaDNQSw",
+    "digest": "9380e41368ed4083dbc922b290d3b786",
+    "sector_size": 8388608
+  },
+  "v26-proof-of-spacetime-fallback-merkletree-poseidon_hasher-8-0-0-5294475db5237a2e83c3e52fd6c2b03859a1831d45ed08c4f35dbf9a803165a9.vk": {
+    "cid": "QmXyVLVDRCcxA9SjT7PeK8HFtyxZ2ZH3SHa8KoGLw8VGJt",
+    "digest": "f0731a7e20f90704bd38fc5d27882f6d",
+    "sector_size": 8388608
+  },
+  "v26-proof-of-spacetime-fallback-merkletree-poseidon_hasher-8-0-0-7d739b8cf60f1b0709eeebee7730e297683552e4b69cab6984ec0285663c5781.params": {
+    "cid": "Qmf5f6ko3dqj7qauzXpZqxM9B2x2sL977K6gE2ppNwuJPv",
+    "digest": "273ebb8c896326b7c292bee8b775fd38",
+    "sector_size": 536870912
+  },
+  "v26-proof-of-spacetime-fallback-merkletree-poseidon_hasher-8-0-0-7d739b8cf60f1b0709eeebee7730e297683552e4b69cab6984ec0285663c5781.vk": {
+    "cid": "QmfP3MQe8koW63n5MkDENENVHxib78MJYYyZvbneCsuze8",
+    "digest": "3dd94da9da64e51b3445bc528d84e76d",
+    "sector_size": 536870912
+  },
+  "v26-proof-of-spacetime-fallback-merkletree-poseidon_hasher-8-8-0-0377ded656c6f524f1618760bffe4e0a1c51d5a70c4509eedae8a27555733edc.params": {
+    "cid": "QmYEeeCE8uT2bsVkxcqqUYeMmMEbe6rfmo8wQCv7jFHqqm",
+    "digest": "c947f2021304ed43b7216f7a8436e294",
    "sector_size": 34359738368
  },
-  "v20-proof-of-spacetime-election-5f585aca354eb68e411c8582ed0efd800792430e4e76d73468c4fc03f1a8d6d2.vk": {
-    "cid": "QmbNGx7pNbGiEr8ykoHxVXHW2LNSmGdsxKtj1onZCyguCX",
-    "digest": "0227ae7df4f2affe529ebafbbc7540ee",
+  "v26-proof-of-spacetime-fallback-merkletree-poseidon_hasher-8-8-0-0377ded656c6f524f1618760bffe4e0a1c51d5a70c4509eedae8a27555733edc.vk": {
+    "cid": "QmXB63ExriFjB4ywWnXTnFwCcLFfCeEP3h15qtL5i7F4aX",
+    "digest": "ab20d7b253e7e9a0d2ccdf7599ec8ec3",
    "sector_size": 34359738368
  },
-  "v20-proof-of-spacetime-election-a4e18190d4b4657ba1b4d08a341871b2a6f398e327cb9951b28ab141fbdbf49d.params": {
-    "cid": "QmRGZsNp4mp1cZshcXqt3VMuWscAEsiMa2iepF4CsWWoiv",
-    "digest": "991041a354b12c280542741f58c7f2ca",
-    "sector_size": 1024
-  },
-  "v20-proof-of-spacetime-election-a4e18190d4b4657ba1b4d08a341871b2a6f398e327cb9951b28ab141fbdbf49d.vk": {
-    "cid": "QmWpmrhCGVcfqLyqp5oGAnhPmCE5hGTPaauHi25mpQwRSU",
-    "digest": "91fac550e1f9bccab213830bb0c85bd6",
-    "sector_size": 1024
-  },
-  "v20-proof-of-spacetime-election-a9eb6d90b896a282ec2d3a875c6143e3fcff778f0da1460709e051833651559b.params": {
-    "cid": "QmenSZXh1EsSyHiSRvA6wb8yaPhYBTjrKehJw96Px5HnN4",
-    "digest": "6322eacd2773163ddd51f9ca7d645fc4",
-    "sector_size": 1073741824
-  },
-  "v20-proof-of-spacetime-election-a9eb6d90b896a282ec2d3a875c6143e3fcff778f0da1460709e051833651559b.vk": {
-    "cid": "QmPvZoMKofw6eDhDg5ESJA2QAZP8HvM6qMQk7fw4pq9bQf",
-    "digest": "0df62745fceac922e3e70847cfc70b52",
-    "sector_size": 1073741824
-  },
-  "v20-proof-of-spacetime-election-bf872523641b1de33553db2a177df13e412d7b3b0103e6696ae0a1cf5d525259.params": {
-    "cid": "QmVibFqzkZoL8cwQmzj8njPokCQGCCx4pBcUH77bzgJgV9",
-    "digest": "de9d71e672f286706a1673bd57abdaac",
-    "sector_size": 16777216
-  },
-  "v20-proof-of-spacetime-election-bf872523641b1de33553db2a177df13e412d7b3b0103e6696ae0a1cf5d525259.vk": {
-    "cid": "QmZa5FX27XyiEXQQLQpHqtMJKLzrcY8wMuj3pxzmSimSyu",
-    "digest": "7f796d3a0f13499181e44b5eee0cc744",
-    "sector_size": 16777216
-  },
-  "v20-proof-of-spacetime-election-ffc3fb192364238b60977839d14e3154d4a98313e30d46694a12af54b6874975.params": {
-    "cid": "Qmbt2SWWAmMcYoY3DAiRDXA8fAuqdqRLWucJMSxYmzBCmN",
-    "digest": "151ae0ae183fc141e8c2bebc28e5cc10",
-    "sector_size": 268435456
-  },
-  "v20-proof-of-spacetime-election-ffc3fb192364238b60977839d14e3154d4a98313e30d46694a12af54b6874975.vk": {
-    "cid": "QmUxvPu4xdVmjMFihUKoYyEdXBqxsXkvmxRweU7KouWHji",
-    "digest": "95eb89588e9d1832aca044c3a13178af",
-    "sector_size": 268435456
-  },
-  "v20-stacked-proof-of-replication-117839dacd1ef31e5968a6fd13bcd6fa86638d85c40c9241a1d07c2a954eb89b.params": {
-    "cid": "QmQZe8eLo2xXbhSDxtyYZNqEjqjdcWGdADywECRvNEZQdX",
-    "digest": "fcd50e2e08a8560a6bb3418e883567ed",
-    "sector_size": 268435456
-  },
-  "v20-stacked-proof-of-replication-117839dacd1ef31e5968a6fd13bcd6fa86638d85c40c9241a1d07c2a954eb89b.vk": {
-    "cid": "Qme1hn6QT1covfoUFGDZkqoE1pMTax9FNW3nWWmTNqFe7y",
-    "digest": "872e244d86499fd659082e3bcf3f13e7",
-    "sector_size": 268435456
-  },
-  "v20-stacked-proof-of-replication-b46f3a1051afbb67f70aae7082da95def62eee943662f3e1bf69837fb08aaae4.params": {
-    "cid": "QmSfrPDC9jwY4MKrjzhCqDBBAG44wSDM8oE5NuDwWSh2xN",
-    "digest": "0a338b941c5f17946340de5fc95cab30",
+  "v26-proof-of-spacetime-fallback-merkletree-poseidon_hasher-8-8-0-559e581f022bb4e4ec6e719e563bf0e026ad6de42e56c18714a2c692b1b88d7e.params": {
+    "cid": "QmW5Yxg3L1NSzuQVcRMHMbG3uvVoi4dTLzVaDpnEUPQpnA",
+    "digest": "079ba19645828ae42b22b0e3f4866e8d",
    "sector_size": 34359738368
  },
-  "v20-stacked-proof-of-replication-b46f3a1051afbb67f70aae7082da95def62eee943662f3e1bf69837fb08aaae4.vk": {
-    "cid": "QmTDGynCmnbaZNBP3Bv3F3duC3ecKRubCKeMUiQQZYbGpF",
-    "digest": "c752e070a6b7aa8b79aa661a6b600b55",
+  "v26-proof-of-spacetime-fallback-merkletree-poseidon_hasher-8-8-0-559e581f022bb4e4ec6e719e563bf0e026ad6de42e56c18714a2c692b1b88d7e.vk": {
+    "cid": "QmQzZ5dJ11tcSBees38WX41tZLXS9BqpEti253m5QcnTNs",
+    "digest": "c76125a50a7de315165de359b5174ae4",
    "sector_size": 34359738368
  },
-  "v20-stacked-proof-of-replication-e71093863cadc71de61f38311ee45816633973bbf34849316b147f8d2e66f199.params": {
-    "cid": "QmXjSSnMUnc7EjQBYtTHhvLU3kXJTbUyhVhJRSTRehh186",
-    "digest": "efa407fd09202dffd15799a8518e73d3",
-    "sector_size": 1024
+  "v26-proof-of-spacetime-fallback-merkletree-poseidon_hasher-8-8-2-2627e4006b67f99cef990c0a47d5426cb7ab0a0ad58fc1061547bf2d28b09def.params": {
+    "cid": "QmNk3wga1tS53FUu1QnkK8ehWA2cqpCnSEAPv3KLxdJxNa",
+    "digest": "421e4790c0b80e0107a7ff67acf14084",
+    "sector_size": 68719476736
  },
-  "v20-stacked-proof-of-replication-e71093863cadc71de61f38311ee45816633973bbf34849316b147f8d2e66f199.vk": {
-    "cid": "QmYHW3zhQouDP4okFbXSsRMcZ8bokKGvzxqbv7ZrunPMiG",
-    "digest": "b2f09a0ccb62da28c890d5b881c8dcd2",
-    "sector_size": 1024
+  "v26-proof-of-spacetime-fallback-merkletree-poseidon_hasher-8-8-2-2627e4006b67f99cef990c0a47d5426cb7ab0a0ad58fc1061547bf2d28b09def.vk": {
+    "cid": "QmVQCHGsrUtbn9RjHs1e6GXfeXDW5m9w4ge48PSX3Z2as2",
+    "digest": "8b60e9cc1470a6729c687d6cf0a1f79c",
+    "sector_size": 68719476736
  },
-  "v20-stacked-proof-of-replication-e99a585174b6a45b254ba4780d72c89ad808c305c6d11711009ade4f39dba8e9.params": {
-    "cid": "QmUhyfNeLb32LfSkjsUwTFYLXQGMj6JQ8daff4DdVMt79q",
-    "digest": "b53c1916a63839ec345aa2224e9198b7",
-    "sector_size": 1073741824
+  "v26-proof-of-spacetime-fallback-merkletree-poseidon_hasher-8-8-2-b62098629d07946e9028127e70295ed996fe3ed25b0f9f88eb610a0ab4385a3c.params": {
+    "cid": "QmTL3VvydaMFWKvE5VzxjgKsJYgL9JMM4JVYNtQxdj9JK1",
+    "digest": "2685f31124b22ea6b2857e5a5e87ffa3",
+    "sector_size": 68719476736
  },
-  "v20-stacked-proof-of-replication-e99a585174b6a45b254ba4780d72c89ad808c305c6d11711009ade4f39dba8e9.vk": {
-    "cid": "QmWReGfbuoozNErbskmFvqV4q36BY6F2WWb4cVFc3zoYkA",
-    "digest": "20d58a3fae7343481f8298a2dd493dd7",
-    "sector_size": 1073741824
+  "v26-proof-of-spacetime-fallback-merkletree-poseidon_hasher-8-8-2-b62098629d07946e9028127e70295ed996fe3ed25b0f9f88eb610a0ab4385a3c.vk": {
+    "cid": "QmSVWbLqQYbUbbJyfsRMzEib2rfSqMtnPks1Nw22omcBQm",
+    "digest": "efe703cd2839597c7ca5c2a906b74296",
+    "sector_size": 68719476736
  },
-  "v20-stacked-proof-of-replication-f571ee2386f4c65a68e802747f2d78691006fc81a67971c4d9641403fffece16.params": {
-    "cid": "QmSAHu14Pe8iav6BYCt9XkpHJ73XM7tcpY4d9JK9BST9HU",
-    "digest": "7698426202c7e07b26ef056d31485b3a",
-    "sector_size": 16777216
+  "v26-stacked-proof-of-replication-merkletree-poseidon_hasher-8-0-0-sha256_hasher-032d3138d22506ec0082ed72b2dcba18df18477904e35bafee82b3793b06832f.params": {
+    "cid": "QmU9dH31nZZUJnsogR4Ld4ySUcH6wm2RgmGiujwnqtbU6k",
+    "digest": "fcef8e87ae2afd7a28aae44347b804cf",
+    "sector_size": 2048
  },
-  "v20-stacked-proof-of-replication-f571ee2386f4c65a68e802747f2d78691006fc81a67971c4d9641403fffece16.vk": {
-    "cid": "QmaKtFLShnhMGVn7P9UsHjkgqtqRFSwCStqqykBN7u8dax",
-    "digest": "834408e5c3fce6ec5d1bf64e64cee94e",
-    "sector_size": 16777216
+  "v26-stacked-proof-of-replication-merkletree-poseidon_hasher-8-0-0-sha256_hasher-032d3138d22506ec0082ed72b2dcba18df18477904e35bafee82b3793b06832f.vk": {
+    "cid": "QmdJ15DMGPooye5NaPcRfXUdHUDibcN7hKjbmTGuu1K4AQ",
+    "digest": "2ee2b3518229680db15161d4f582af37",
+    "sector_size": 2048
+  },
+  "v26-stacked-proof-of-replication-merkletree-poseidon_hasher-8-0-0-sha256_hasher-6babf46ce344ae495d558e7770a585b2382d54f225af8ed0397b8be7c3fcd472.params": {
+    "cid": "QmZgtxcY3tMXXQxZTA7ZTUDXLVUnfxNcerXgeW4gG2NnfP",
+    "digest": "3273c7135cb75684248b475781b738ee",
+    "sector_size": 536870912
+  },
+  "v26-stacked-proof-of-replication-merkletree-poseidon_hasher-8-0-0-sha256_hasher-6babf46ce344ae495d558e7770a585b2382d54f225af8ed0397b8be7c3fcd472.vk": {
+    "cid": "QmSS6ZkAV2aGZcgKgdPpEEgihXF1ryZX8PSAZDWSoeL1d4",
+    "digest": "1519b5f61d9044a59f2bdc57537c094b",
+    "sector_size": 536870912
+  },
+  "v26-stacked-proof-of-replication-merkletree-poseidon_hasher-8-0-0-sha256_hasher-ecd683648512ab1765faa2a5f14bab48f676e633467f0aa8aad4b55dcb0652bb.params": {
+    "cid": "QmQBGXeiNn6hVwbR6qFarQqiNGDdKk4h9ucfyvcXyfYz2N",
+    "digest": "7d5f896f435c38e93bcda6dd168d860b",
+    "sector_size": 8388608
+  },
+  "v26-stacked-proof-of-replication-merkletree-poseidon_hasher-8-0-0-sha256_hasher-ecd683648512ab1765faa2a5f14bab48f676e633467f0aa8aad4b55dcb0652bb.vk": {
+    "cid": "QmPrZgBVGMckEAeu5eSJnLmiAwcPQjKjZe5ir6VaQ5AxKs",
+    "digest": "fe6d2de44580a0db5a4934688899b92f",
+    "sector_size": 8388608
+  },
+  "v26-stacked-proof-of-replication-merkletree-poseidon_hasher-8-8-0-sha256_hasher-82a357d2f2ca81dc61bb45f4a762807aedee1b0a53fd6c4e77b46a01bfef7820.params": {
+    "cid": "QmZL2cq45XJn5BFzagAZwgFmLrcM1W6CXoiEF9C5j5tjEF",
+    "digest": "acdfed9f0512bc85a01a9fb871d475d5",
+    "sector_size": 34359738368
+  },
+  "v26-stacked-proof-of-replication-merkletree-poseidon_hasher-8-8-0-sha256_hasher-82a357d2f2ca81dc61bb45f4a762807aedee1b0a53fd6c4e77b46a01bfef7820.vk": {
+    "cid": "QmQ4zB7nNa1tDYNifBkExRnZtwtxZw775iaqvVsZyRi6Q2",
+    "digest": "524a2f3e9d6826593caebc41bb545c40",
+    "sector_size": 34359738368
+  },
+  "v26-stacked-proof-of-replication-merkletree-poseidon_hasher-8-8-2-sha256_hasher-96f1b4a04c5c51e4759bbf224bbc2ef5a42c7100f16ec0637123f16a845ddfb2.params": {
+    "cid": "QmY7DitNKXFeLQt9QoVQkfjM1EvRnprqUVxjmkTXkHDNka",
+    "digest": "f27271c0537ba65ade2ec045f8fbd069",
+    "sector_size": 68719476736
+  },
+  "v26-stacked-proof-of-replication-merkletree-poseidon_hasher-8-8-2-sha256_hasher-96f1b4a04c5c51e4759bbf224bbc2ef5a42c7100f16ec0637123f16a845ddfb2.vk": {
+    "cid": "QmUJsvoCuQ4LszPmeRVAkMYb5qY95ctz3UXKhu8xLzyFKo",
+    "digest": "576b292938c6c9d0a0e721bd867a543b",
+    "sector_size": 68719476736
  }
-}
-
+}
@@ -3,11 +3,33 @@ package build
 import "fmt"

 var CurrentCommit string
+var BuildType int
+
+const (
+	BuildDefault = 0
+	Build2k      = 0x1
+	BuildDebug   = 0x3
+)
+
+func buildType() string {
+	switch BuildType {
+	case BuildDefault:
+		return ""
+	case BuildDebug:
+		return "+debug"
+	case Build2k:
+		return "+2k"
+	default:
+		return "+huh?"
+	}
+}

 // BuildVersion is the local build version, set by build system
-const BuildVersion = "0.2.5"
+const BuildVersion = "0.4.0"

-var UserVersion = BuildVersion + CurrentCommit
+func UserVersion() string {
+	return BuildVersion + buildType() + CurrentCommit
+}

 type Version uint32

@@ -31,8 +53,9 @@ func (ve Version) EqMajorMinor(v2 Version) bool {
 }

 // APIVersion is a semver version of the rpc api exposed
-var APIVersion Version = newVer(0, 1, 6)
+var APIVersion Version = newVer(0, 3, 0)

+//nolint:varcheck,deadcode
 const (
 	majorMask = 0xff0000
 	minorMask = 0xffff00
@@ -1,48 +0,0 @@
-package actors
-
-import (
-	"github.com/filecoin-project/go-address"
-	"github.com/filecoin-project/lotus/chain/actors/aerrors"
-	"github.com/filecoin-project/lotus/chain/types"
-)
-
-type CronActor struct{}
-
-type callTuple struct {
-	addr   address.Address
-	method uint64
-}
-
-var CronActors = []callTuple{
-	{StoragePowerAddress, SPAMethods.CheckProofSubmissions},
-}
-
-type CronActorState struct{}
-
-type cAMethods struct {
-	EpochTick uint64
-}
-
-var CAMethods = cAMethods{2}
-
-func (ca CronActor) Exports() []interface{} {
-	return []interface{}{
-		1: nil,
-		2: ca.EpochTick,
-	}
-}
-
-func (ca CronActor) EpochTick(act *types.Actor, vmctx types.VMContext, params *struct{}) ([]byte, ActorError) {
-	if vmctx.Message().From != CronAddress {
-		return nil, aerrors.New(1, "EpochTick is only callable as a part of tipset state computation")
-	}
-
-	for _, call := range CronActors {
-		_, err := vmctx.Send(call.addr, call.method, types.NewInt(0), nil)
-		if err != nil {
-			return nil, err // todo: this very bad?
-		}
-	}
-
-	return nil, nil
-}
@@ -1,242 +0,0 @@
-package actors
-
-import (
-	"bytes"
-	"context"
-	"encoding/binary"
-	"fmt"
-
-	"github.com/filecoin-project/go-address"
-	"github.com/filecoin-project/lotus/chain/actors/aerrors"
-	"github.com/filecoin-project/lotus/chain/types"
-	cbg "github.com/whyrusleeping/cbor-gen"
-	"golang.org/x/xerrors"
-
-	"github.com/ipfs/go-cid"
-	"github.com/ipfs/go-hamt-ipld"
-	cbor "github.com/ipfs/go-ipld-cbor"
-	logging "github.com/ipfs/go-log/v2"
-	mh "github.com/multiformats/go-multihash"
-)
-
-var log = logging.Logger("actors")
-
-var EmptyCBOR cid.Cid
-
-const (
-	GasCreateActor = 100
-)
-
-func init() {
-
-	n, err := cbor.WrapObject(map[string]string{}, mh.SHA2_256, -1)
-	if err != nil {
-		panic(err) // ok
-	}
-
-	EmptyCBOR = n.Cid()
-}
-
-type InitActor struct{}
-
-type InitActorState struct {
-	AddressMap cid.Cid
-
-	NextID uint64
-}
-
-type iAMethods struct {
-	Exec uint64
-}
-
-var IAMethods = iAMethods{2}
-
-func (ia InitActor) Exports() []interface{} {
-	return []interface{}{
-		1: nil,
-		2: ia.Exec,
-	}
-}
-
-type ExecParams struct {
-	Code   cid.Cid
-	Params []byte
-}
-
-func CreateExecParams(act cid.Cid, obj cbg.CBORMarshaler) ([]byte, aerrors.ActorError) {
-	encparams, err := SerializeParams(obj)
-	if err != nil {
-		return nil, aerrors.Wrap(err, "creating ExecParams")
-	}
-
-	return SerializeParams(&ExecParams{
-		Code:   act,
-		Params: encparams,
-	})
-}
-
-func (ia InitActor) Exec(act *types.Actor, vmctx types.VMContext, p *ExecParams) ([]byte, aerrors.ActorError) {
-	beginState := vmctx.Storage().GetHead()
-
-	var self InitActorState
-	if err := vmctx.Storage().Get(beginState, &self); err != nil {
-		return nil, err
-	}
-
-	if err := vmctx.ChargeGas(GasCreateActor); err != nil {
-		return nil, aerrors.Wrap(err, "run out of gas")
-	}
-
-	// Make sure that only the actors defined in the spec can be launched.
-	if !IsBuiltinActor(p.Code) {
-		return nil, aerrors.New(1,
-			"cannot launch actor instance that is not a builtin actor")
-	}
-
-	// Ensure that singletons can be only launched once.
-	// TODO: do we want to enforce this? If so how should actors be marked as such?
-	if IsSingletonActor(p.Code) {
-		return nil, aerrors.New(1, "cannot launch another actor of this type")
-	}
-
-	// This generates a unique address for this actor that is stable across message
-	// reordering
-	creator := vmctx.Message().From
-	nonce := vmctx.Message().Nonce
-	addr, err := ComputeActorAddress(creator, nonce)
-	if err != nil {
-		return nil, err
-	}
-
-	// Set up the actor itself
-	actor := types.Actor{
-		Code:    p.Code,
-		Balance: types.NewInt(0),
-		Head:    EmptyCBOR,
-		Nonce:   0,
-	}
-
-	// The call to the actors constructor will set up the initial state
-	// from the given parameters, setting `actor.Head` to a new value when successful.
-	// TODO: can constructors fail?
-	//actor.Constructor(p.Params)
-
-	// Store the mapping of address to actor ID.
-	idAddr, nerr := self.AddActor(vmctx.Ipld(), addr)
-	if nerr != nil {
-		return nil, aerrors.Escalate(err, "adding new actor mapping")
-	}
-
-	// NOTE: This is a privileged call that only the init actor is allowed to make
-	// FIXME: Had to comment this  because state is not in interface
-	state, err := vmctx.StateTree()
-	if err != nil {
-		return nil, err
-	}
-
-	if err := state.SetActor(idAddr, &actor); err != nil {
-		if xerrors.Is(err, types.ErrActorNotFound) {
-			return nil, aerrors.Absorb(err, 1, "SetActor, actor not found")
-		}
-		return nil, aerrors.Escalate(err, "inserting new actor into state tree")
-	}
-
-	// '1' is reserved for constructor methods
-	_, err = vmctx.Send(idAddr, 1, vmctx.Message().Value, p.Params)
-	if err != nil {
-		return nil, err
-	}
-
-	c, err := vmctx.Storage().Put(&self)
-	if err != nil {
-		return nil, err
-	}
-
-	if err := vmctx.Storage().Commit(beginState, c); err != nil {
-		return nil, err
-	}
-
-	return idAddr.Bytes(), nil
-}
-
-func IsBuiltinActor(code cid.Cid) bool {
-	switch code {
-	case StorageMarketCodeCid, StoragePowerCodeCid, StorageMinerCodeCid, StorageMiner2CodeCid, AccountCodeCid, InitCodeCid, MultisigCodeCid, PaymentChannelCodeCid:
-		return true
-	default:
-		return false
-	}
-}
-
-func IsSingletonActor(code cid.Cid) bool {
-	return code == StoragePowerCodeCid || code == StorageMarketCodeCid || code == InitCodeCid || code == CronCodeCid
-}
-
-func (ias *InitActorState) AddActor(cst *hamt.CborIpldStore, addr address.Address) (address.Address, error) {
-	nid := ias.NextID
-
-	amap, err := hamt.LoadNode(context.TODO(), cst, ias.AddressMap)
-	if err != nil {
-		return address.Undef, err
-	}
-
-	if err := amap.Set(context.TODO(), string(addr.Bytes()), nid); err != nil {
-		return address.Undef, err
-	}
-
-	if err := amap.Flush(context.TODO()); err != nil {
-		return address.Undef, err
-	}
-
-	ncid, err := cst.Put(context.TODO(), amap)
-	if err != nil {
-		return address.Undef, err
-	}
-	ias.AddressMap = ncid
-	ias.NextID++
-
-	return NewIDAddress(nid)
-}
-
-func (ias *InitActorState) Lookup(cst *hamt.CborIpldStore, addr address.Address) (address.Address, error) {
-	amap, err := hamt.LoadNode(context.TODO(), cst, ias.AddressMap)
-	if err != nil {
-		return address.Undef, xerrors.Errorf("ias lookup failed loading hamt node: %w", err)
-	}
-
-	var val interface{}
-	err = amap.Find(context.TODO(), string(addr.Bytes()), &val)
-	if err != nil {
-		return address.Undef, xerrors.Errorf("ias lookup failed to do find: %w", err)
-	}
-
-	ival, ok := val.(uint64)
-	if !ok {
-		return address.Undef, fmt.Errorf("invalid value in init actor state, expected uint64, got %T", val)
-	}
-
-	return address.NewIDAddress(ival)
-}
-
-type AccountActorState struct {
-	Address address.Address
-}
-
-func ComputeActorAddress(creator address.Address, nonce uint64) (address.Address, ActorError) {
-	buf := new(bytes.Buffer)
-	_, err := buf.Write(creator.Bytes())
-	if err != nil {
-		return address.Undef, aerrors.Escalate(err, "could not write address")
-	}
-
-	err = binary.Write(buf, binary.BigEndian, nonce)
-	if err != nil {
-		return address.Undef, aerrors.Escalate(err, "could not write nonce")
-	}
-
-	addr, err := address.NewActorAddress(buf.Bytes())
-	if err != nil {
-		return address.Undef, aerrors.Escalate(err, "could not create address")
-	}
-	return addr, nil
-}
@@ -1,865 +0,0 @@
-package actors
-
-import (
-	"bytes"
-	"context"
-	"fmt"
-
-	ffi "github.com/filecoin-project/filecoin-ffi"
-	amt2 "github.com/filecoin-project/go-amt-ipld/v2"
-
-	"github.com/filecoin-project/go-sectorbuilder"
-	"github.com/filecoin-project/lotus/build"
-	"github.com/filecoin-project/lotus/chain/actors/aerrors"
-	"github.com/filecoin-project/lotus/chain/types"
-
-	"github.com/ipfs/go-cid"
-	cbor "github.com/ipfs/go-ipld-cbor"
-	cbg "github.com/whyrusleeping/cbor-gen"
-	"golang.org/x/xerrors"
-)
-
-type StorageMinerActor2 struct{}
-
-func (sma StorageMinerActor2) Exports() []interface{} {
-	return []interface{}{
-		1: sma.StorageMinerConstructor,
-		2: sma.PreCommitSector,
-		3: sma.ProveCommitSector,
-		4: sma.SubmitFallbackPoSt,
-		//5: sma.SlashStorageFault,
-		//6: sma.GetCurrentProvingSet,
-		//7:  sma.ArbitrateDeal,
-		//8:  sma.DePledge,
-		9:  sma.GetOwner,
-		10: sma.GetWorkerAddr,
-		11: sma.GetPower, // TODO: Remove
-		12: sma.GetPeerID,
-		13: sma.GetSectorSize,
-		14: sma.UpdatePeerID,
-		//15: sma.ChangeWorker,
-		16: sma.IsSlashed,
-		17: sma.CheckMiner,
-		18: sma.DeclareFaults,
-		19: sma.SlashConsensusFault,
-		20: sma.SubmitElectionPoSt,
-	}
-}
-
-func (sma StorageMinerActor2) StorageMinerConstructor(act *types.Actor, vmctx types.VMContext, params *StorageMinerConstructorParams) ([]byte, ActorError) {
-	minerInfo := &MinerInfo{
-		Owner:      params.Owner,
-		Worker:     params.Worker,
-		PeerID:     params.PeerID,
-		SectorSize: params.SectorSize,
-	}
-
-	minfocid, err := vmctx.Storage().Put(minerInfo)
-	if err != nil {
-		return nil, err
-	}
-
-	var self StorageMinerActorState
-	sectors := amt2.NewAMT(types.WrapStorage(vmctx.Storage()))
-	scid, serr := sectors.Flush()
-	if serr != nil {
-		return nil, aerrors.HandleExternalError(serr, "initializing AMT")
-	}
-
-	self.Sectors = scid
-	self.ProvingSet = scid
-	self.Info = minfocid
-
-	storage := vmctx.Storage()
-	c, err := storage.Put(&self)
-	if err != nil {
-		return nil, err
-	}
-
-	if err := storage.Commit(EmptyCBOR, c); err != nil {
-		return nil, err
-	}
-
-	return nil, nil
-}
-
-func (sma StorageMinerActor2) PreCommitSector(act *types.Actor, vmctx types.VMContext, params *SectorPreCommitInfo) ([]byte, ActorError) {
-
-	ctx := vmctx.Context()
-	oldstate, self, err := loadState(vmctx)
-	if err != nil {
-		return nil, err
-	}
-
-	if params.SealEpoch >= vmctx.BlockHeight()+build.SealRandomnessLookback {
-		return nil, aerrors.Newf(1, "sector commitment must be based off past randomness (%d >= %d)", params.SealEpoch, vmctx.BlockHeight()+build.SealRandomnessLookback)
-	}
-
-	if vmctx.BlockHeight()-params.SealEpoch+build.SealRandomnessLookback > build.SealRandomnessLookbackLimit {
-		return nil, aerrors.Newf(2, "sector commitment must be recent enough (was %d)", vmctx.BlockHeight()-params.SealEpoch+build.SealRandomnessLookback)
-	}
-
-	mi, err := loadMinerInfo(vmctx, self)
-	if err != nil {
-		return nil, err
-	}
-
-	if vmctx.Message().From != mi.Worker {
-		return nil, aerrors.New(1, "not authorized to precommit sector for miner")
-	}
-
-	// make sure the miner isnt trying to submit a pre-existing sector
-	unique, err := SectorIsUnique(ctx, vmctx.Storage(), self.Sectors, params.SectorNumber)
-	if err != nil {
-		return nil, err
-	}
-	if !unique {
-		return nil, aerrors.New(3, "sector already committed!")
-	}
-
-	// Power of the miner after adding this sector
-	futurePower := types.BigAdd(self.Power, types.NewInt(mi.SectorSize))
-	collateralRequired := CollateralForPower(futurePower)
-
-	// TODO: grab from market?
-	if act.Balance.LessThan(collateralRequired) {
-		return nil, aerrors.New(4, "not enough collateral")
-	}
-
-	self.PreCommittedSectors[uintToStringKey(params.SectorNumber)] = &PreCommittedSector{
-		Info:          *params,
-		ReceivedEpoch: vmctx.BlockHeight(),
-	}
-
-	if len(self.PreCommittedSectors) > 4096 {
-		return nil, aerrors.New(5, "too many precommitted sectors")
-	}
-
-	nstate, err := vmctx.Storage().Put(self)
-	if err != nil {
-		return nil, err
-	}
-	if err := vmctx.Storage().Commit(oldstate, nstate); err != nil {
-		return nil, err
-	}
-
-	return nil, nil
-}
-
-func (sma StorageMinerActor2) ProveCommitSector(act *types.Actor, vmctx types.VMContext, params *SectorProveCommitInfo) ([]byte, ActorError) {
-	ctx := vmctx.Context()
-	oldstate, self, err := loadState(vmctx)
-	if err != nil {
-		return nil, err
-	}
-
-	mi, err := loadMinerInfo(vmctx, self)
-	if err != nil {
-		return nil, err
-	}
-
-	if vmctx.Message().From != mi.Worker {
-		return nil, aerrors.New(1, "not authorized to submit sector proof for miner")
-	}
-
-	us, ok := self.PreCommittedSectors[uintToStringKey(params.SectorID)]
-	if !ok {
-		return nil, aerrors.New(1, "no pre-commitment found for sector")
-	}
-
-	if us.ReceivedEpoch+build.InteractivePoRepDelay >= vmctx.BlockHeight() {
-		return nil, aerrors.New(2, "too early for proof submission")
-	}
-
-	delete(self.PreCommittedSectors, uintToStringKey(params.SectorID))
-
-	// TODO: ensure normalization to ID address
-	maddr := vmctx.Message().To
-
-	if vmctx.BlockHeight()-us.Info.SealEpoch > build.MaxSealLookback {
-		return nil, aerrors.Newf(5, "source randomness for sector SealEpoch too far in past (epoch %d)", us.Info.SealEpoch)
-	}
-
-	if vmctx.BlockHeight()-us.ReceivedEpoch > build.MaxSealLookback {
-		return nil, aerrors.Newf(6, "source randomness for sector ReceivedEpoch too far in past (epoch %d)", us.ReceivedEpoch)
-	}
-
-	ticket, err := vmctx.GetRandomness(us.Info.SealEpoch - build.SealRandomnessLookback)
-	if err != nil {
-		return nil, aerrors.Wrap(err, "failed to get ticket randomness")
-	}
-
-	seed, err := vmctx.GetRandomness(us.ReceivedEpoch + build.InteractivePoRepDelay)
-	if err != nil {
-		return nil, aerrors.Wrap(err, "failed to get randomness for prove sector commitment")
-	}
-
-	enc, err := SerializeParams(&ComputeDataCommitmentParams{
-		DealIDs:    params.DealIDs,
-		SectorSize: mi.SectorSize,
-	})
-	if err != nil {
-		return nil, aerrors.Wrap(err, "failed to serialize ComputeDataCommitmentParams")
-	}
-
-	commD, err := vmctx.Send(StorageMarketAddress, SMAMethods.ComputeDataCommitment, types.NewInt(0), enc)
-	if err != nil {
-		return nil, aerrors.Wrapf(err, "failed to compute data commitment (sector %d, deals: %v)", params.SectorID, params.DealIDs)
-	}
-
-	if ok, err := vmctx.Sys().ValidatePoRep(ctx, maddr, mi.SectorSize, commD, us.Info.CommR, ticket, params.Proof, seed, params.SectorID); err != nil {
-		return nil, err
-	} else if !ok {
-		return nil, aerrors.Newf(2, "porep proof was invalid (t:%x; s:%x(%d); p:%s)", ticket, seed, us.ReceivedEpoch+build.InteractivePoRepDelay, truncateHexPrint(params.Proof))
-	}
-
-	// Note: There must exist a unique index in the miner's sector set for each
-	// sector ID. The `faults`, `recovered`, and `done` parameters of the
-	// SubmitPoSt method express indices into this sector set.
-	nssroot, err := AddToSectorSet2(ctx, types.WrapStorage(vmctx.Storage()), self.Sectors, params.SectorID, us.Info.CommR, commD)
-	if err != nil {
-		return nil, err
-	}
-	self.Sectors = nssroot
-
-	// if miner is not mining, start their proving period now
-	// Note: As written here, every miners first PoSt will only be over one sector.
-	// We could set up a 'grace period' for starting mining that would allow miners
-	// to submit several sectors for their first proving period. Alternatively, we
-	// could simply make the 'PreCommitSector' call take multiple sectors at a time.
-	//
-	// Note: Proving period is a function of sector size; small sectors take less
-	// time to prove than large sectors do. Sector size is selected when pledging.
-	pss, lerr := amt2.LoadAMT(types.WrapStorage(vmctx.Storage()), self.ProvingSet)
-	if lerr != nil {
-		return nil, aerrors.HandleExternalError(lerr, "could not load proving set node")
-	}
-
-	if pss.Count == 0 && !self.Active {
-		self.ProvingSet = self.Sectors
-		// TODO: probably want to wait until the miner is above a certain
-		//  threshold before starting this
-		self.ElectionPeriodStart = vmctx.BlockHeight()
-	}
-
-	nstate, err := vmctx.Storage().Put(self)
-	if err != nil {
-		return nil, err
-	}
-	if err := vmctx.Storage().Commit(oldstate, nstate); err != nil {
-		return nil, err
-	}
-
-	activateParams, err := SerializeParams(&ActivateStorageDealsParams{
-		Deals: params.DealIDs,
-	})
-	if err != nil {
-		return nil, err
-	}
-
-	_, err = vmctx.Send(StorageMarketAddress, SMAMethods.ActivateStorageDeals, types.NewInt(0), activateParams)
-	return nil, aerrors.Wrapf(err, "calling ActivateStorageDeals failed")
-}
-
-func (sma StorageMinerActor2) SubmitFallbackPoSt(act *types.Actor, vmctx types.VMContext, params *SubmitFallbackPoStParams) ([]byte, ActorError) {
-	oldstate, self, err := loadState(vmctx)
-	if err != nil {
-		return nil, err
-	}
-
-	mi, err := loadMinerInfo(vmctx, self)
-	if err != nil {
-		return nil, err
-	}
-
-	if vmctx.Message().From != mi.Worker {
-		return nil, aerrors.New(1, "not authorized to submit post for miner")
-	}
-
-	/*
-		// TODO: handle fees
-		msgVal := vmctx.Message().Value
-		if msgVal.LessThan(feesRequired) {
-			return nil, aerrors.New(2, "not enough funds to pay post submission fees")
-		}
-
-		if msgVal.GreaterThan(feesRequired) {
-			_, err := vmctx.Send(vmctx.Message().From, 0,
-				types.BigSub(msgVal, feesRequired), nil)
-			if err != nil {
-				return nil, aerrors.Wrap(err, "could not refund excess fees")
-			}
-		}
-	*/
-
-	var seed [sectorbuilder.CommLen]byte
-	{
-		randHeight := self.ElectionPeriodStart + build.FallbackPoStDelay
-		if vmctx.BlockHeight() <= randHeight {
-			// TODO: spec, retcode
-			return nil, aerrors.Newf(1, "submit fallback PoSt called too early (%d < %d)", vmctx.BlockHeight(), randHeight)
-		}
-
-		rand, err := vmctx.GetRandomness(randHeight)
-
-		if err != nil {
-			return nil, aerrors.Wrap(err, "could not get randomness for PoST")
-		}
-		if len(rand) < len(seed) {
-			return nil, aerrors.Escalate(fmt.Errorf("randomness too small (%d < %d)",
-				len(rand), len(seed)), "improper randomness")
-		}
-		copy(seed[:], rand)
-	}
-
-	pss, lerr := amt2.LoadAMT(types.WrapStorage(vmctx.Storage()), self.ProvingSet)
-	if lerr != nil {
-		return nil, aerrors.HandleExternalError(lerr, "could not load proving set node")
-	}
-
-	ss, lerr := amt2.LoadAMT(types.WrapStorage(vmctx.Storage()), self.Sectors)
-	if lerr != nil {
-		return nil, aerrors.HandleExternalError(lerr, "could not load proving set node")
-	}
-
-	faults, nerr := self.FaultSet.AllMap(2 * ss.Count)
-	if nerr != nil {
-		return nil, aerrors.Absorb(err, 5, "RLE+ invalid")
-	}
-
-	activeFaults := uint64(0)
-	var sectorInfos []ffi.PublicSectorInfo
-	if err := pss.ForEach(func(id uint64, v *cbg.Deferred) error {
-		if faults[id] {
-			activeFaults++
-			return nil
-		}
-
-		var comms [][]byte
-		if err := cbor.DecodeInto(v.Raw, &comms); err != nil {
-			return xerrors.New("could not decode comms")
-		}
-		si := ffi.PublicSectorInfo{
-			SectorID: id,
-		}
-		commR := comms[0]
-		if len(commR) != len(si.CommR) {
-			return xerrors.Errorf("commR length is wrong: %d", len(commR))
-		}
-		copy(si.CommR[:], commR)
-
-		sectorInfos = append(sectorInfos, si)
-
-		return nil
-	}); err != nil {
-		return nil, aerrors.Absorb(err, 3, "could not decode sectorset")
-	}
-
-	proverID := vmctx.Message().To // TODO: normalize to ID address
-
-	var candidates []sectorbuilder.EPostCandidate
-	for _, t := range params.Candidates {
-		var partial [32]byte
-		copy(partial[:], t.Partial)
-		candidates = append(candidates, sectorbuilder.EPostCandidate{
-			PartialTicket:        partial,
-			SectorID:             t.SectorID,
-			SectorChallengeIndex: t.ChallengeIndex,
-		})
-	}
-
-	if ok, lerr := vmctx.Sys().VerifyFallbackPost(vmctx.Context(), mi.SectorSize,
-		sectorbuilder.NewSortedPublicSectorInfo(sectorInfos), seed[:], params.Proof, candidates, proverID, activeFaults); !ok || lerr != nil {
-		if lerr != nil {
-			// TODO: study PoST errors
-			return nil, aerrors.Absorb(lerr, 4, "PoST error")
-		}
-		if !ok {
-			return nil, aerrors.New(4, "PoST invalid")
-		}
-	}
-
-	// Post submission is successful!
-	if err := onSuccessfulPoSt2(self, vmctx, activeFaults); err != nil {
-		return nil, err
-	}
-
-	c, err := vmctx.Storage().Put(self)
-	if err != nil {
-		return nil, err
-	}
-
-	if err := vmctx.Storage().Commit(oldstate, c); err != nil {
-		return nil, err
-	}
-
-	return nil, nil
-}
-
-func (sma StorageMinerActor2) GetPower(act *types.Actor, vmctx types.VMContext, params *struct{}) ([]byte, ActorError) {
-	_, self, err := loadState(vmctx)
-	if err != nil {
-		return nil, err
-	}
-	return self.Power.Bytes(), nil
-}
-
-func SectorIsUnique2(ctx context.Context, s types.Storage, sroot cid.Cid, sid uint64) (bool, ActorError) {
-	found, _, _, err := GetFromSectorSet2(ctx, s, sroot, sid)
-	if err != nil {
-		return false, err
-	}
-
-	return !found, nil
-}
-
-func AddToSectorSet2(ctx context.Context, blks amt2.Blocks, ss cid.Cid, sectorID uint64, commR, commD []byte) (cid.Cid, ActorError) {
-	if sectorID >= build.MinerMaxSectors {
-		return cid.Undef, aerrors.Newf(25, "sector ID out of range: %d", sectorID)
-	}
-	ssr, err := amt2.LoadAMT(blks, ss)
-	if err != nil {
-		return cid.Undef, aerrors.HandleExternalError(err, "could not load sector set node")
-	}
-
-	// TODO: Spec says to use SealCommitment, and construct commD from deals each time,
-	//  but that would make SubmitPoSt way, way more expensive
-	if err := ssr.Set(sectorID, [][]byte{commR, commD}); err != nil {
-		return cid.Undef, aerrors.HandleExternalError(err, "failed to set commitment in sector set")
-	}
-
-	ncid, err := ssr.Flush()
-	if err != nil {
-		return cid.Undef, aerrors.HandleExternalError(err, "failed to flush sector set")
-	}
-
-	return ncid, nil
-}
-
-func GetFromSectorSet2(ctx context.Context, s types.Storage, ss cid.Cid, sectorID uint64) (bool, []byte, []byte, ActorError) {
-	if sectorID >= build.MinerMaxSectors {
-		return false, nil, nil, aerrors.Newf(25, "sector ID out of range: %d", sectorID)
-	}
-
-	ssr, err := amt2.LoadAMT(types.WrapStorage(s), ss)
-	if err != nil {
-		return false, nil, nil, aerrors.HandleExternalError(err, "could not load sector set node")
-	}
-
-	var comms [][]byte
-	err = ssr.Get(sectorID, &comms)
-	if err != nil {
-		if _, ok := err.(*amt2.ErrNotFound); ok {
-			return false, nil, nil, nil
-		}
-		return false, nil, nil, aerrors.HandleExternalError(err, "failed to find sector in sector set")
-	}
-
-	if len(comms) != 2 {
-		return false, nil, nil, aerrors.Newf(20, "sector set entry should only have 2 elements")
-	}
-
-	return true, comms[0], comms[1], nil
-}
-
-func RemoveFromSectorSet2(ctx context.Context, s types.Storage, ss cid.Cid, ids []uint64) (cid.Cid, aerrors.ActorError) {
-
-	ssr, err := amt2.LoadAMT(types.WrapStorage(s), ss)
-	if err != nil {
-		return cid.Undef, aerrors.HandleExternalError(err, "could not load sector set node")
-	}
-
-	for _, id := range ids {
-		if err := ssr.Delete(id); err != nil {
-			log.Warnf("failed to delete sector %d from set: %s", id, err)
-		}
-	}
-
-	ncid, err := ssr.Flush()
-	if err != nil {
-		return cid.Undef, aerrors.HandleExternalError(err, "failed to flush sector set")
-	}
-
-	return ncid, nil
-}
-
-func (sma StorageMinerActor2) GetWorkerAddr(act *types.Actor, vmctx types.VMContext, params *struct{}) ([]byte, ActorError) {
-	_, self, err := loadState(vmctx)
-	if err != nil {
-		return nil, err
-	}
-
-	mi, err := loadMinerInfo(vmctx, self)
-	if err != nil {
-		return nil, err
-	}
-
-	return mi.Worker.Bytes(), nil
-}
-
-func (sma StorageMinerActor2) GetOwner(act *types.Actor, vmctx types.VMContext, params *struct{}) ([]byte, ActorError) {
-	_, self, err := loadState(vmctx)
-	if err != nil {
-		return nil, err
-	}
-
-	mi, err := loadMinerInfo(vmctx, self)
-	if err != nil {
-		return nil, err
-	}
-
-	return mi.Owner.Bytes(), nil
-}
-
-func (sma StorageMinerActor2) GetPeerID(act *types.Actor, vmctx types.VMContext, params *struct{}) ([]byte, ActorError) {
-	_, self, err := loadState(vmctx)
-	if err != nil {
-		return nil, err
-	}
-
-	mi, err := loadMinerInfo(vmctx, self)
-	if err != nil {
-		return nil, err
-	}
-
-	return []byte(mi.PeerID), nil
-}
-
-func (sma StorageMinerActor2) UpdatePeerID(act *types.Actor, vmctx types.VMContext, params *UpdatePeerIDParams) ([]byte, ActorError) {
-	oldstate, self, err := loadState(vmctx)
-	if err != nil {
-		return nil, err
-	}
-
-	mi, err := loadMinerInfo(vmctx, self)
-	if err != nil {
-		return nil, err
-	}
-
-	if vmctx.Message().From != mi.Worker {
-		return nil, aerrors.New(2, "only the mine worker may update the peer ID")
-	}
-
-	mi.PeerID = params.PeerID
-
-	mic, err := vmctx.Storage().Put(mi)
-	if err != nil {
-		return nil, err
-	}
-
-	self.Info = mic
-
-	c, err := vmctx.Storage().Put(self)
-	if err != nil {
-		return nil, err
-	}
-
-	if err := vmctx.Storage().Commit(oldstate, c); err != nil {
-		return nil, err
-	}
-
-	return nil, nil
-}
-
-func (sma StorageMinerActor2) GetSectorSize(act *types.Actor, vmctx types.VMContext, params *struct{}) ([]byte, ActorError) {
-	_, self, err := loadState(vmctx)
-	if err != nil {
-		return nil, err
-	}
-
-	mi, err := loadMinerInfo(vmctx, self)
-	if err != nil {
-		return nil, err
-	}
-
-	return types.NewInt(mi.SectorSize).Bytes(), nil
-}
-
-func (sma StorageMinerActor2) IsSlashed(act *types.Actor, vmctx types.VMContext, params *struct{}) ([]byte, ActorError) {
-	_, self, err := loadState(vmctx)
-	if err != nil {
-		return nil, err
-	}
-
-	return cbg.EncodeBool(self.SlashedAt != 0), nil
-}
-
-// TODO: better name
-func (sma StorageMinerActor2) CheckMiner(act *types.Actor, vmctx types.VMContext, params *CheckMinerParams) ([]byte, ActorError) {
-	if vmctx.Message().From != StoragePowerAddress {
-		return nil, aerrors.New(2, "only the storage power actor can check miner")
-	}
-
-	oldstate, self, err := loadState(vmctx)
-	if err != nil {
-		return nil, err
-	}
-
-	if !isLate(vmctx.BlockHeight(), self) {
-		// Everything's fine
-		return nil, nil
-	}
-
-	if self.SlashedAt != 0 {
-		// Don't slash more than necessary
-		return nil, nil
-	}
-
-	if params.NetworkPower.Equals(self.Power) {
-		// Don't break the network when there's only one miner left
-
-		log.Warnf("can't slash miner %s for missed PoSt, no power would be left in the network", vmctx.Message().To)
-		return nil, nil
-	}
-
-	// Slash for being late
-
-	self.SlashedAt = vmctx.BlockHeight()
-
-	nstate, err := vmctx.Storage().Put(self)
-	if err != nil {
-		return nil, err
-	}
-	if err := vmctx.Storage().Commit(oldstate, nstate); err != nil {
-		return nil, err
-	}
-
-	var out bytes.Buffer
-	if err := self.Power.MarshalCBOR(&out); err != nil {
-		return nil, aerrors.HandleExternalError(err, "marshaling return value")
-	}
-	return out.Bytes(), nil
-}
-
-func (sma StorageMinerActor2) DeclareFaults(act *types.Actor, vmctx types.VMContext, params *DeclareFaultsParams) ([]byte, ActorError) {
-	oldstate, self, aerr := loadState(vmctx)
-	if aerr != nil {
-		return nil, aerr
-	}
-
-	mi, aerr := loadMinerInfo(vmctx, self)
-	if aerr != nil {
-		return nil, aerr
-	}
-
-	if vmctx.Message().From != mi.Worker {
-		return nil, aerrors.New(1, "not authorized to declare faults for miner")
-	}
-
-	nfaults, err := types.MergeBitFields(params.Faults, self.FaultSet)
-	if err != nil {
-		return nil, aerrors.Absorb(err, 1, "failed to merge bitfields")
-	}
-
-	ss, nerr := amt2.LoadAMT(types.WrapStorage(vmctx.Storage()), self.Sectors)
-	if nerr != nil {
-		return nil, aerrors.HandleExternalError(nerr, "failed to load sector set")
-	}
-
-	cf, nerr := nfaults.Count()
-	if nerr != nil {
-		return nil, aerrors.Absorb(nerr, 2, "could not decode RLE+")
-	}
-
-	if cf > 2*ss.Count {
-		return nil, aerrors.Newf(3, "too many declared faults: %d > %d", cf, 2*ss.Count)
-	}
-
-	self.FaultSet = nfaults
-
-	self.LastFaultSubmission = vmctx.BlockHeight()
-
-	nstate, aerr := vmctx.Storage().Put(self)
-	if aerr != nil {
-		return nil, aerr
-	}
-	if err := vmctx.Storage().Commit(oldstate, nstate); err != nil {
-		return nil, err
-	}
-
-	return nil, nil
-}
-
-func (sma StorageMinerActor2) SlashConsensusFault(act *types.Actor, vmctx types.VMContext, params *MinerSlashConsensusFault) ([]byte, ActorError) {
-	if vmctx.Message().From != StoragePowerAddress {
-		return nil, aerrors.New(1, "SlashConsensusFault may only be called by the storage market actor")
-	}
-
-	slashedCollateral := params.SlashedCollateral
-	if slashedCollateral.LessThan(act.Balance) {
-		slashedCollateral = act.Balance
-	}
-
-	// Some of the slashed collateral should be paid to the slasher
-	// GROWTH_RATE determines how fast the slasher share of slashed collateral will increase as block elapses
-	// current GROWTH_RATE results in SLASHER_SHARE reaches 1 after 30 blocks
-	// TODO: define arithmetic precision and rounding for this operation
-	blockElapsed := vmctx.BlockHeight() - params.AtHeight
-
-	slasherShare := slasherShare(params.SlashedCollateral, blockElapsed)
-
-	burnPortion := types.BigSub(slashedCollateral, slasherShare)
-
-	_, err := vmctx.Send(vmctx.Message().From, 0, slasherShare, nil)
-	if err != nil {
-		return nil, aerrors.Wrap(err, "failed to pay slasher")
-	}
-
-	_, err = vmctx.Send(BurntFundsAddress, 0, burnPortion, nil)
-	if err != nil {
-		return nil, aerrors.Wrap(err, "failed to burn funds")
-	}
-
-	// TODO: this still allows the miner to commit sectors and submit posts,
-	// their users could potentially be unaffected, but the miner will never be
-	// able to mine a block again
-	// One potential issue: the miner will have to pay back the slashed
-	// collateral to continue submitting PoSts, which includes pledge
-	// collateral that they no longer really 'need'
-
-	return nil, nil
-}
-
-func (sma StorageMinerActor2) SubmitElectionPoSt(act *types.Actor, vmctx types.VMContext, params *struct{}) ([]byte, aerrors.ActorError) {
-	if vmctx.Message().From != NetworkAddress {
-		return nil, aerrors.Newf(1, "submit election post can only be called by the storage power actor")
-	}
-
-	oldstate, self, aerr := loadState(vmctx)
-	if aerr != nil {
-		return nil, aerr
-	}
-
-	if self.SlashedAt != 0 {
-		return nil, aerrors.New(1, "slashed miners can't perform election PoSt")
-	}
-
-	pss, nerr := amt2.LoadAMT(types.WrapStorage(vmctx.Storage()), self.ProvingSet)
-	if nerr != nil {
-		return nil, aerrors.HandleExternalError(nerr, "failed to load proving set")
-	}
-
-	ss, nerr := amt2.LoadAMT(types.WrapStorage(vmctx.Storage()), self.Sectors)
-	if nerr != nil {
-		return nil, aerrors.HandleExternalError(nerr, "failed to load proving set")
-	}
-
-	faults, nerr := self.FaultSet.AllMap(2 * ss.Count)
-	if nerr != nil {
-		return nil, aerrors.Absorb(nerr, 1, "invalid bitfield (fatal?)")
-	}
-
-	activeFaults := uint64(0)
-	for f := range faults {
-		if f > amt2.MaxIndex {
-			continue
-		}
-
-		var comms [][]byte
-		err := pss.Get(f, &comms)
-		if err != nil {
-			var notfound *amt2.ErrNotFound
-			if !xerrors.As(err, &notfound) {
-				return nil, aerrors.HandleExternalError(err, "failed to find sector in sector set")
-			}
-			continue
-		}
-
-		activeFaults++
-	}
-
-	if err := onSuccessfulPoSt2(self, vmctx, activeFaults); err != nil { // TODO
-		return nil, err
-	}
-
-	ncid, err := vmctx.Storage().Put(self)
-	if err != nil {
-		return nil, err
-	}
-	if err := vmctx.Storage().Commit(oldstate, ncid); err != nil {
-		return nil, err
-	}
-
-	return nil, nil
-}
-
-func onSuccessfulPoSt2(self *StorageMinerActorState, vmctx types.VMContext, activeFaults uint64) aerrors.ActorError {
-	// FORK
-	if vmctx.BlockHeight() < build.ForkBootyBayHeight {
-		return onSuccessfulPoSt(self, vmctx, activeFaults)
-	}
-
-	var mi MinerInfo
-	if err := vmctx.Storage().Get(self.Info, &mi); err != nil {
-		return err
-	}
-
-	pss, nerr := amt2.LoadAMT(types.WrapStorage(vmctx.Storage()), self.ProvingSet)
-	if nerr != nil {
-		return aerrors.HandleExternalError(nerr, "failed to load proving set")
-	}
-
-	ss, nerr := amt2.LoadAMT(types.WrapStorage(vmctx.Storage()), self.Sectors)
-	if nerr != nil {
-		return aerrors.HandleExternalError(nerr, "failed to load sector set")
-	}
-
-	faults, nerr := self.FaultSet.All(2 * ss.Count)
-	if nerr != nil {
-		return aerrors.Absorb(nerr, 1, "invalid bitfield (fatal?)")
-	}
-
-	self.FaultSet = types.NewBitField()
-
-	oldPower := self.Power
-	newPower := types.BigMul(types.NewInt(pss.Count-activeFaults), types.NewInt(mi.SectorSize))
-
-	// If below the minimum size requirement, miners have zero power
-	if newPower.LessThan(types.NewInt(build.MinimumMinerPower)) {
-		newPower = types.NewInt(0)
-	}
-
-	self.Power = newPower
-
-	delta := types.BigSub(self.Power, oldPower)
-	if self.SlashedAt != 0 {
-		self.SlashedAt = 0
-		delta = self.Power
-	}
-
-	prevSlashingDeadline := self.ElectionPeriodStart + build.SlashablePowerDelay
-	if !self.Active && newPower.GreaterThan(types.NewInt(0)) {
-		self.Active = true
-		prevSlashingDeadline = 0
-	}
-
-	if !(oldPower.IsZero() && newPower.IsZero()) {
-		enc, err := SerializeParams(&UpdateStorageParams{
-			Delta:                 delta,
-			NextSlashDeadline:     vmctx.BlockHeight() + build.SlashablePowerDelay,
-			PreviousSlashDeadline: prevSlashingDeadline,
-		})
-		if err != nil {
-			return err
-		}
-
-		_, err = vmctx.Send(StoragePowerAddress, SPAMethods.UpdateStorage, types.NewInt(0), enc)
-		if err != nil {
-			return aerrors.Wrap(err, "updating storage failed")
-		}
-
-		self.ElectionPeriodStart = vmctx.BlockHeight()
-	}
-
-	var ncid cid.Cid
-	var err aerrors.ActorError
-
-	ncid, err = RemoveFromSectorSet2(vmctx.Context(), vmctx.Storage(), self.Sectors, faults)
-	if err != nil {
-		return err
-	}
-
-	self.Sectors = ncid
-	self.ProvingSet = ncid
-	return nil
-}
@@ -1,281 +0,0 @@
-package actors_test
-
-import (
-	"bytes"
-	"context"
-	"math"
-	"math/rand"
-	"testing"
-
-	"github.com/filecoin-project/go-address"
-	"github.com/filecoin-project/go-sectorbuilder"
-	"github.com/filecoin-project/lotus/api"
-	"github.com/filecoin-project/lotus/build"
-	"github.com/filecoin-project/lotus/chain/actors"
-	"github.com/filecoin-project/lotus/chain/actors/aerrors"
-	"github.com/filecoin-project/lotus/chain/stmgr"
-	"github.com/filecoin-project/lotus/chain/types"
-	"github.com/filecoin-project/lotus/lib/rlepluslazy"
-	hamt "github.com/ipfs/go-hamt-ipld"
-	blockstore "github.com/ipfs/go-ipfs-blockstore"
-	"github.com/stretchr/testify/assert"
-	cbg "github.com/whyrusleeping/cbor-gen"
-)
-
-func TestMinerCommitSectors(t *testing.T) {
-	var worker, client address.Address
-	var minerAddr address.Address
-	opts := []HarnessOpt{
-		HarnessAddr(&worker, 1000000),
-		HarnessAddr(&client, 1000000),
-		HarnessActor(&minerAddr, &worker, actors.StorageMinerCodeCid,
-			func() cbg.CBORMarshaler {
-				return &actors.StorageMinerConstructorParams{
-					Owner:      worker,
-					Worker:     worker,
-					SectorSize: 1024,
-					PeerID:     "fakepeerid",
-				}
-			}),
-	}
-
-	h := NewHarness(t, opts...)
-	h.vm.Syscalls.ValidatePoRep = func(ctx context.Context, maddr address.Address, ssize uint64, commD, commR, ticket, proof, seed []byte, sectorID uint64) (bool, aerrors.ActorError) {
-		// all proofs are valid
-		return true, nil
-	}
-
-	ret, _ := h.SendFunds(t, worker, minerAddr, types.NewInt(100000))
-	ApplyOK(t, ret)
-
-	ret, _ = h.InvokeWithValue(t, client, actors.StorageMarketAddress, actors.SMAMethods.AddBalance, types.NewInt(2000), nil)
-	ApplyOK(t, ret)
-
-	addSectorToMiner(h, t, minerAddr, worker, client, 1)
-
-	assertSectorIDs(h, t, minerAddr, []uint64{1})
-
-}
-
-type badRuns struct {
-	done bool
-}
-
-func (br *badRuns) HasNext() bool {
-	return !br.done
-}
-
-func (br *badRuns) NextRun() (rlepluslazy.Run, error) {
-	br.done = true
-	return rlepluslazy.Run{true, math.MaxInt64}, nil
-}
-
-var _ rlepluslazy.RunIterator = (*badRuns)(nil)
-
-func TestMinerSubmitBadFault(t *testing.T) {
-	oldSS, oldMin := build.SectorSizes, build.MinimumMinerPower
-	build.SectorSizes, build.MinimumMinerPower = []uint64{1024}, 1024
-	defer func() {
-		build.SectorSizes, build.MinimumMinerPower = oldSS, oldMin
-	}()
-
-	var worker, client address.Address
-	var minerAddr address.Address
-	opts := []HarnessOpt{
-		HarnessAddr(&worker, 1000000),
-		HarnessAddr(&client, 1000000),
-		HarnessAddMiner(&minerAddr, &worker),
-	}
-
-	h := NewHarness(t, opts...)
-	h.vm.Syscalls.ValidatePoRep = func(ctx context.Context, maddr address.Address, ssize uint64, commD, commR, ticket, proof, seed []byte, sectorID uint64) (bool, aerrors.ActorError) {
-		// all proofs are valid
-		return true, nil
-	}
-
-	ret, _ := h.SendFunds(t, worker, minerAddr, types.NewInt(100000))
-	ApplyOK(t, ret)
-
-	ret, _ = h.InvokeWithValue(t, client, actors.StorageMarketAddress, actors.SMAMethods.AddBalance, types.NewInt(2000), nil)
-	ApplyOK(t, ret)
-
-	addSectorToMiner(h, t, minerAddr, worker, client, 1)
-
-	assertSectorIDs(h, t, minerAddr, []uint64{1})
-
-	bf := types.NewBitField()
-	bf.Set(6)
-	ret, _ = h.Invoke(t, worker, minerAddr, actors.MAMethods.DeclareFaults, &actors.DeclareFaultsParams{bf})
-	ApplyOK(t, ret)
-
-	ret, _ = h.Invoke(t, actors.NetworkAddress, minerAddr, actors.MAMethods.SubmitElectionPoSt, nil)
-	ApplyOK(t, ret)
-	assertSectorIDs(h, t, minerAddr, []uint64{1})
-
-	st, err := getMinerState(context.TODO(), h.vm.StateTree(), h.bs, minerAddr)
-	assert.NoError(t, err)
-	expectedPower := st.Power
-	if types.BigCmp(expectedPower, types.NewInt(1024)) != 0 {
-		t.Errorf("Expected power of 1024, got %s", expectedPower)
-	}
-
-	badnum := uint64(0)
-	badnum--
-	bf = types.NewBitField()
-	bf.Set(badnum)
-	bf.Set(badnum - 1)
-	ret, _ = h.Invoke(t, worker, minerAddr, actors.MAMethods.DeclareFaults, &actors.DeclareFaultsParams{bf})
-	ApplyOK(t, ret)
-
-	ret, _ = h.Invoke(t, actors.NetworkAddress, minerAddr, actors.MAMethods.SubmitElectionPoSt, nil)
-
-	ApplyOK(t, ret)
-	assertSectorIDs(h, t, minerAddr, []uint64{1})
-
-	st, err = getMinerState(context.TODO(), h.vm.StateTree(), h.bs, minerAddr)
-	assert.NoError(t, err)
-	currentPower := st.Power
-	if types.BigCmp(expectedPower, currentPower) != 0 {
-		t.Errorf("power changed and shouldn't have: %s != %s", expectedPower, currentPower)
-	}
-
-	bf.Set(badnum - 2)
-	ret, _ = h.Invoke(t, worker, minerAddr, actors.MAMethods.DeclareFaults, &actors.DeclareFaultsParams{bf})
-	if ret.ExitCode != 3 {
-		t.Errorf("expected exit code 3, got %d: %+v", ret.ExitCode, ret.ActorErr)
-	}
-	assertSectorIDs(h, t, minerAddr, []uint64{1})
-
-	rle, err := rlepluslazy.EncodeRuns(&badRuns{}, []byte{})
-	assert.NoError(t, err)
-
-	bf, err = types.NewBitFieldFromBytes(rle)
-	assert.NoError(t, err)
-	ret, _ = h.Invoke(t, worker, minerAddr, actors.MAMethods.DeclareFaults, &actors.DeclareFaultsParams{bf})
-	if ret.ExitCode != 3 {
-		t.Errorf("expected exit code 3, got %d: %+v", ret.ExitCode, ret.ActorErr)
-	}
-	assertSectorIDs(h, t, minerAddr, []uint64{1})
-
-	bf = types.NewBitField()
-	bf.Set(1)
-	ret, _ = h.Invoke(t, worker, minerAddr, actors.MAMethods.DeclareFaults, &actors.DeclareFaultsParams{bf})
-	ApplyOK(t, ret)
-
-	ret, _ = h.Invoke(t, actors.NetworkAddress, minerAddr, actors.MAMethods.SubmitElectionPoSt, nil)
-	ApplyOK(t, ret)
-
-	assertSectorIDs(h, t, minerAddr, []uint64{})
-
-}
-
-func addSectorToMiner(h *Harness, t *testing.T, minerAddr, worker, client address.Address, sid uint64) {
-	t.Helper()
-	s := sectorbuilder.UserBytesForSectorSize(1024)
-	deal := h.makeFakeDeal(t, minerAddr, worker, client, s)
-	ret, _ := h.Invoke(t, worker, actors.StorageMarketAddress, actors.SMAMethods.PublishStorageDeals,
-		&actors.PublishStorageDealsParams{
-			Deals: []actors.StorageDealProposal{*deal},
-		})
-	ApplyOK(t, ret)
-	var dealIds actors.PublishStorageDealResponse
-	if err := dealIds.UnmarshalCBOR(bytes.NewReader(ret.Return)); err != nil {
-		t.Fatal(err)
-	}
-
-	dealid := dealIds.DealIDs[0]
-
-	ret, _ = h.Invoke(t, worker, minerAddr, actors.MAMethods.PreCommitSector,
-		&actors.SectorPreCommitInfo{
-			SectorNumber: sid,
-			CommR:        []byte("cats"),
-			SealEpoch:    10,
-			DealIDs:      []uint64{dealid},
-		})
-	ApplyOK(t, ret)
-
-	h.BlockHeight += 100
-	ret, _ = h.Invoke(t, worker, minerAddr, actors.MAMethods.ProveCommitSector,
-		&actors.SectorProveCommitInfo{
-			Proof:    []byte("prooofy"),
-			SectorID: sid,
-			DealIDs:  []uint64{dealid}, // TODO: weird that i have to pass this again
-		})
-	ApplyOK(t, ret)
-}
-
-func assertSectorIDs(h *Harness, t *testing.T, maddr address.Address, ids []uint64) {
-	t.Helper()
-	sectors, err := getMinerSectorSet(context.TODO(), h.vm.StateTree(), h.bs, maddr)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	if len(sectors) != len(ids) {
-		t.Fatal("miner has wrong number of sectors in their sector set")
-	}
-
-	all := make(map[uint64]bool)
-	for _, s := range sectors {
-		all[s.SectorID] = true
-	}
-
-	for _, id := range ids {
-		if !all[id] {
-			t.Fatal("expected to find sector ID: ", id)
-		}
-	}
-}
-
-func getMinerState(ctx context.Context, st types.StateTree, bs blockstore.Blockstore, maddr address.Address) (*actors.StorageMinerActorState, error) {
-	mact, err := st.GetActor(maddr)
-	if err != nil {
-		return nil, err
-	}
-
-	cst := hamt.CSTFromBstore(bs)
-
-	var mstate actors.StorageMinerActorState
-	if err := cst.Get(ctx, mact.Head, &mstate); err != nil {
-		return nil, err
-	}
-	return &mstate, nil
-}
-
-func getMinerSectorSet(ctx context.Context, st types.StateTree, bs blockstore.Blockstore, maddr address.Address) ([]*api.ChainSectorInfo, error) {
-	mstate, err := getMinerState(ctx, st, bs, maddr)
-	if err != nil {
-		return nil, err
-	}
-
-	return stmgr.LoadSectorsFromSet(ctx, bs, mstate.Sectors)
-}
-
-func (h *Harness) makeFakeDeal(t *testing.T, miner, worker, client address.Address, size uint64) *actors.StorageDealProposal {
-	data := make([]byte, size)
-	rand.Read(data)
-	commP, err := sectorbuilder.GeneratePieceCommitment(bytes.NewReader(data), size)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	prop := actors.StorageDealProposal{
-		PieceRef:  commP[:],
-		PieceSize: size,
-
-		Client:   client,
-		Provider: miner,
-
-		ProposalExpiration: 10000,
-		Duration:           150,
-
-		StoragePricePerEpoch: types.NewInt(1),
-		StorageCollateral:    types.NewInt(0),
-	}
-
-	if err := api.SignWith(context.TODO(), h.w.Sign, client, &prop); err != nil {
-		t.Fatal(err)
-	}
-
-	return &prop
-}
@@ -1,431 +0,0 @@
-package actors
-
-import (
-	"github.com/ipfs/go-cid"
-
-	"github.com/filecoin-project/go-address"
-	"github.com/filecoin-project/lotus/chain/actors/aerrors"
-	"github.com/filecoin-project/lotus/chain/types"
-
-	cbg "github.com/whyrusleeping/cbor-gen"
-)
-
-type MultiSigActor struct{}
-type MultiSigActorState struct {
-	Signers  []address.Address
-	Required uint64
-	NextTxID uint64
-
-	InitialBalance types.BigInt
-	StartingBlock  uint64
-	UnlockDuration uint64
-
-	//TODO: make this map/sharray/whatever
-	Transactions []MTransaction
-}
-
-func (msas MultiSigActorState) canSpend(act *types.Actor, amnt types.BigInt, height uint64) bool {
-	if msas.UnlockDuration == 0 {
-		return true
-	}
-
-	offset := height - msas.StartingBlock
-	if offset > msas.UnlockDuration {
-		return true
-	}
-
-	minBalance := types.BigDiv(msas.InitialBalance, types.NewInt(msas.UnlockDuration))
-	minBalance = types.BigMul(minBalance, types.NewInt(offset))
-	return !minBalance.LessThan(types.BigSub(act.Balance, amnt))
-}
-
-func (msas MultiSigActorState) isSigner(addr address.Address) bool {
-	for _, s := range msas.Signers {
-		if s == addr {
-			return true
-		}
-	}
-	return false
-}
-
-func (msas MultiSigActorState) getTransaction(txid uint64) (*MTransaction, ActorError) {
-	if txid >= uint64(len(msas.Transactions)) {
-		return nil, aerrors.Newf(1, "could not get transaction (numbers of tx %d,want to get txid %d)", len(msas.Transactions), txid)
-	}
-	return &msas.Transactions[txid], nil
-}
-
-type MTransaction struct {
-	Created uint64 // NOT USED ??
-	TxID    uint64
-
-	To     address.Address
-	Value  types.BigInt
-	Method uint64
-	Params []byte
-
-	Approved []address.Address
-	Complete bool
-	Canceled bool
-	RetCode  uint64
-}
-
-func (tx MTransaction) Active() ActorError {
-	if tx.Complete {
-		return aerrors.New(2, "transaction already completed")
-	}
-	if tx.Canceled {
-		return aerrors.New(3, "transaction canceled")
-	}
-	return nil
-}
-
-type musigMethods struct {
-	MultiSigConstructor uint64
-	Propose             uint64
-	Approve             uint64
-	Cancel              uint64
-	ClearCompleted      uint64
-	AddSigner           uint64
-	RemoveSigner        uint64
-	SwapSigner          uint64
-	ChangeRequirement   uint64
-}
-
-var MultiSigMethods = musigMethods{1, 2, 3, 4, 5, 6, 7, 8, 9}
-
-func (msa MultiSigActor) Exports() []interface{} {
-	return []interface{}{
-		1: msa.MultiSigConstructor,
-		2: msa.Propose,
-		3: msa.Approve,
-		4: msa.Cancel,
-		//5: msa.ClearCompleted,
-		6: msa.AddSigner,
-		7: msa.RemoveSigner,
-		8: msa.SwapSigner,
-		9: msa.ChangeRequirement,
-	}
-}
-
-type MultiSigConstructorParams struct {
-	Signers        []address.Address
-	Required       uint64
-	UnlockDuration uint64
-}
-
-func (MultiSigActor) MultiSigConstructor(act *types.Actor, vmctx types.VMContext,
-	params *MultiSigConstructorParams) ([]byte, ActorError) {
-	self := &MultiSigActorState{
-		Signers:  params.Signers,
-		Required: params.Required,
-	}
-
-	if params.UnlockDuration != 0 {
-		self.InitialBalance = vmctx.Message().Value
-		self.UnlockDuration = params.UnlockDuration
-		self.StartingBlock = vmctx.BlockHeight()
-	}
-
-	head, err := vmctx.Storage().Put(self)
-	if err != nil {
-		return nil, aerrors.Wrap(err, "could not put new head")
-	}
-	err = vmctx.Storage().Commit(EmptyCBOR, head)
-	if err != nil {
-		return nil, aerrors.Wrap(err, "could not commit new head")
-	}
-	return nil, nil
-}
-
-type MultiSigProposeParams struct {
-	To     address.Address
-	Value  types.BigInt
-	Method uint64
-	Params []byte
-}
-
-func (MultiSigActor) load(vmctx types.VMContext) (cid.Cid, *MultiSigActorState, ActorError) {
-	var self MultiSigActorState
-	head := vmctx.Storage().GetHead()
-
-	err := vmctx.Storage().Get(head, &self)
-	if err != nil {
-		return cid.Undef, nil, aerrors.Wrap(err, "could not get self")
-	}
-	return head, &self, nil
-}
-
-func (msa MultiSigActor) loadAndVerify(vmctx types.VMContext) (cid.Cid, *MultiSigActorState, ActorError) {
-	head, self, err := msa.load(vmctx)
-	if err != nil {
-		return cid.Undef, nil, err
-	}
-
-	if !self.isSigner(vmctx.Message().From) {
-		return cid.Undef, nil, aerrors.New(1, "not authorized")
-	}
-	return head, self, nil
-}
-
-func (MultiSigActor) save(vmctx types.VMContext, oldHead cid.Cid, self *MultiSigActorState) ActorError {
-	newHead, err := vmctx.Storage().Put(self)
-	if err != nil {
-		return aerrors.Wrap(err, "could not put new head")
-	}
-	err = vmctx.Storage().Commit(oldHead, newHead)
-	if err != nil {
-		return aerrors.Wrap(err, "could not commit new head")
-	}
-	return nil
-
-}
-
-func (msa MultiSigActor) Propose(act *types.Actor, vmctx types.VMContext,
-	params *MultiSigProposeParams) ([]byte, ActorError) {
-
-	head, self, err := msa.loadAndVerify(vmctx)
-	if err != nil {
-		return nil, err
-	}
-
-	txid := self.NextTxID
-	self.NextTxID++
-
-	{
-		tx := MTransaction{
-			TxID:     txid,
-			To:       params.To,
-			Value:    params.Value,
-			Method:   params.Method,
-			Params:   params.Params,
-			Approved: []address.Address{vmctx.Message().From},
-		}
-		self.Transactions = append(self.Transactions, tx)
-	}
-
-	tx, err := self.getTransaction(txid)
-	if err != nil {
-		return nil, err
-	}
-
-	if self.Required == 1 {
-		if !self.canSpend(act, tx.Value, vmctx.BlockHeight()) {
-			return nil, aerrors.New(100, "transaction amount exceeds available")
-		}
-		_, err := vmctx.Send(tx.To, tx.Method, tx.Value, tx.Params)
-		if aerrors.IsFatal(err) {
-			return nil, err
-		}
-		tx.RetCode = uint64(aerrors.RetCode(err))
-		tx.Complete = true
-	}
-
-	err = msa.save(vmctx, head, self)
-	if err != nil {
-		return nil, aerrors.Wrap(err, "saving state")
-	}
-
-	// REVIEW: On one hand, I like being very explicit about how we're doing the serialization
-	// on the other, maybe we shouldnt do direct calls to underlying serialization libs?
-	return cbg.CborEncodeMajorType(cbg.MajUnsignedInt, tx.TxID), nil
-}
-
-type MultiSigTxID struct {
-	TxID uint64
-}
-
-func (msa MultiSigActor) Approve(act *types.Actor, vmctx types.VMContext,
-	params *MultiSigTxID) ([]byte, ActorError) {
-
-	head, self, err := msa.loadAndVerify(vmctx)
-	if err != nil {
-		return nil, err
-	}
-
-	tx, err := self.getTransaction(params.TxID)
-	if err != nil {
-		return nil, err
-	}
-
-	if err := tx.Active(); err != nil {
-		return nil, aerrors.Wrap(err, "could not approve")
-	}
-
-	for _, signer := range tx.Approved {
-		if signer == vmctx.Message().From {
-			return nil, aerrors.New(4, "already signed this message")
-		}
-	}
-	tx.Approved = append(tx.Approved, vmctx.Message().From)
-	if uint64(len(tx.Approved)) >= self.Required {
-		if !self.canSpend(act, tx.Value, vmctx.BlockHeight()) {
-			return nil, aerrors.New(100, "transaction amount exceeds available")
-		}
-		_, err := vmctx.Send(tx.To, tx.Method, tx.Value, tx.Params)
-		if aerrors.IsFatal(err) {
-			return nil, err
-		}
-		tx.RetCode = uint64(aerrors.RetCode(err))
-		tx.Complete = true
-	}
-
-	return nil, msa.save(vmctx, head, self)
-}
-
-func (msa MultiSigActor) Cancel(act *types.Actor, vmctx types.VMContext,
-	params *MultiSigTxID) ([]byte, ActorError) {
-
-	head, self, err := msa.loadAndVerify(vmctx)
-	if err != nil {
-		return nil, err
-	}
-
-	tx, err := self.getTransaction(params.TxID)
-	if err != nil {
-		return nil, err
-	}
-
-	if err := tx.Active(); err != nil {
-		return nil, aerrors.Wrap(err, "could not cancel")
-	}
-
-	proposer := tx.Approved[0]
-	if proposer != vmctx.Message().From && self.isSigner(proposer) {
-		return nil, aerrors.New(4, "cannot cancel another signers transaction")
-	}
-	tx.Canceled = true
-
-	return nil, msa.save(vmctx, head, self)
-}
-
-type MultiSigAddSignerParam struct {
-	Signer   address.Address
-	Increase bool
-}
-
-func (msa MultiSigActor) AddSigner(act *types.Actor, vmctx types.VMContext,
-	params *MultiSigAddSignerParam) ([]byte, ActorError) {
-
-	head, self, err := msa.load(vmctx)
-	if err != nil {
-		return nil, err
-	}
-
-	msg := vmctx.Message()
-	if msg.From != msg.To {
-		return nil, aerrors.New(4, "add signer must be called by wallet itself")
-	}
-	if self.isSigner(params.Signer) {
-		return nil, aerrors.New(5, "new address is already a signer")
-	}
-
-	self.Signers = append(self.Signers, params.Signer)
-	if params.Increase {
-		self.Required = self.Required + 1
-	}
-
-	return nil, msa.save(vmctx, head, self)
-}
-
-type MultiSigRemoveSignerParam struct {
-	Signer   address.Address
-	Decrease bool
-}
-
-func (msa MultiSigActor) RemoveSigner(act *types.Actor, vmctx types.VMContext,
-	params *MultiSigRemoveSignerParam) ([]byte, ActorError) {
-
-	head, self, err := msa.load(vmctx)
-	if err != nil {
-		return nil, err
-	}
-
-	msg := vmctx.Message()
-	if msg.From != msg.To {
-		return nil, aerrors.New(4, "remove signer must be called by wallet itself")
-	}
-	if !self.isSigner(params.Signer) {
-		return nil, aerrors.New(5, "given address was not a signer")
-	}
-
-	newSigners := make([]address.Address, 0, len(self.Signers)-1)
-	for _, s := range self.Signers {
-		if s != params.Signer {
-			newSigners = append(newSigners, s)
-		}
-	}
-	if params.Decrease || uint64(len(self.Signers)-1) < self.Required {
-		self.Required = self.Required - 1
-	}
-
-	self.Signers = newSigners
-
-	return nil, msa.save(vmctx, head, self)
-}
-
-type MultiSigSwapSignerParams struct {
-	From address.Address
-	To   address.Address
-}
-
-func (msa MultiSigActor) SwapSigner(act *types.Actor, vmctx types.VMContext,
-	params *MultiSigSwapSignerParams) ([]byte, ActorError) {
-
-	head, self, err := msa.load(vmctx)
-	if err != nil {
-		return nil, err
-	}
-
-	msg := vmctx.Message()
-	if msg.From != msg.To {
-		return nil, aerrors.New(4, "swap signer must be called by wallet itself")
-	}
-
-	if !self.isSigner(params.From) {
-		return nil, aerrors.New(5, "given old address was not a signer")
-	}
-	if self.isSigner(params.To) {
-		return nil, aerrors.New(6, "given new address was already a signer")
-	}
-
-	newSigners := make([]address.Address, 0, len(self.Signers))
-	for _, s := range self.Signers {
-		if s != params.From {
-			newSigners = append(newSigners, s)
-		}
-	}
-	newSigners = append(newSigners, params.To)
-	self.Signers = newSigners
-
-	return nil, msa.save(vmctx, head, self)
-}
-
-type MultiSigChangeReqParams struct {
-	Req uint64
-}
-
-func (msa MultiSigActor) ChangeRequirement(act *types.Actor, vmctx types.VMContext,
-	params *MultiSigChangeReqParams) ([]byte, ActorError) {
-
-	head, self, err := msa.load(vmctx)
-	if err != nil {
-		return nil, err
-	}
-
-	msg := vmctx.Message()
-	if msg.From != msg.To {
-		return nil, aerrors.New(4, "change requirement must be called by wallet itself")
-	}
-
-	if params.Req < 1 {
-		return nil, aerrors.New(5, "requirement must be at least 1")
-	}
-
-	if params.Req > uint64(len(self.Signers)) {
-		return nil, aerrors.New(6, "requirement must be at most the numbers of signers")
-	}
-
-	self.Required = params.Req
-	return nil, msa.save(vmctx, head, self)
-}
@@ -1,97 +0,0 @@
-package actors_test
-
-import (
-	"testing"
-
-	cbor "github.com/ipfs/go-ipld-cbor"
-	"github.com/stretchr/testify/assert"
-	cbg "github.com/whyrusleeping/cbor-gen"
-
-	"github.com/filecoin-project/go-address"
-	"github.com/filecoin-project/lotus/chain/actors"
-	"github.com/filecoin-project/lotus/chain/types"
-	"github.com/filecoin-project/lotus/chain/vm"
-)
-
-func TestMultiSigCreate(t *testing.T) {
-	var creatorAddr, sig1Addr, sig2Addr, outsideAddr address.Address
-	opts := []HarnessOpt{
-		HarnessAddr(&creatorAddr, 100000),
-		HarnessAddr(&sig1Addr, 100000),
-		HarnessAddr(&sig2Addr, 100000),
-		HarnessAddr(&outsideAddr, 100000),
-	}
-
-	h := NewHarness(t, opts...)
-	ret, _ := h.CreateActor(t, creatorAddr, actors.MultisigCodeCid,
-		&actors.MultiSigConstructorParams{
-			Signers:  []address.Address{creatorAddr, sig1Addr, sig2Addr},
-			Required: 2,
-		})
-	ApplyOK(t, ret)
-}
-
-func ApplyOK(t testing.TB, ret *vm.ApplyRet) {
-	t.Helper()
-	if ret.ExitCode != 0 {
-		t.Fatalf("exit code should be 0, got %d, actorErr: %+v", ret.ExitCode, ret.ActorErr)
-	}
-	if ret.ActorErr != nil {
-		t.Fatalf("somehow got an error with exit == 0: %s", ret.ActorErr)
-	}
-}
-
-func TestMultiSigOps(t *testing.T) {
-	var creatorAddr, sig1Addr, sig2Addr, outsideAddr address.Address
-	var multSigAddr address.Address
-	opts := []HarnessOpt{
-		HarnessAddr(&creatorAddr, 100000),
-		HarnessAddr(&sig1Addr, 100000),
-		HarnessAddr(&sig2Addr, 100000),
-		HarnessAddr(&outsideAddr, 100000),
-		HarnessActor(&multSigAddr, &creatorAddr, actors.MultisigCodeCid,
-			func() cbg.CBORMarshaler {
-				return &actors.MultiSigConstructorParams{
-					Signers:  []address.Address{creatorAddr, sig1Addr, sig2Addr},
-					Required: 2,
-				}
-			}),
-	}
-
-	h := NewHarness(t, opts...)
-	{
-		const chargeVal = 2000
-		// Send funds into the multisig
-		ret, _ := h.SendFunds(t, creatorAddr, multSigAddr, types.NewInt(chargeVal))
-		ApplyOK(t, ret)
-		h.AssertBalanceChange(t, creatorAddr, -chargeVal)
-		h.AssertBalanceChange(t, multSigAddr, chargeVal)
-	}
-
-	{
-		// Transfer funds outside of multsig
-		const sendVal = 1000
-		ret, _ := h.Invoke(t, creatorAddr, multSigAddr, actors.MultiSigMethods.Propose,
-			&actors.MultiSigProposeParams{
-				To:    outsideAddr,
-				Value: types.NewInt(sendVal),
-			})
-		ApplyOK(t, ret)
-		var txIDParam actors.MultiSigTxID
-		err := cbor.DecodeInto(ret.Return, &txIDParam.TxID)
-		assert.NoError(t, err, "decoding txid")
-
-		ret, _ = h.Invoke(t, outsideAddr, multSigAddr, actors.MultiSigMethods.Approve,
-			&txIDParam)
-		assert.Equal(t, uint8(1), ret.ExitCode, "outsideAddr should not approve")
-		h.AssertBalanceChange(t, multSigAddr, 0)
-
-		ret2, _ := h.Invoke(t, sig1Addr, multSigAddr, actors.MultiSigMethods.Approve,
-			&txIDParam)
-		ApplyOK(t, ret2)
-
-		h.AssertBalanceChange(t, outsideAddr, sendVal)
-		h.AssertBalanceChange(t, multSigAddr, -sendVal)
-	}
-
-}
@@ -1,302 +0,0 @@
-package actors
-
-import (
-	"bytes"
-	"fmt"
-
-	"github.com/ipfs/go-cid"
-	"github.com/minio/blake2b-simd"
-
-	"github.com/filecoin-project/go-address"
-	"github.com/filecoin-project/lotus/build"
-	"github.com/filecoin-project/lotus/chain/actors/aerrors"
-	"github.com/filecoin-project/lotus/chain/types"
-)
-
-type PaymentChannelActor struct{}
-
-type PaymentInfo struct {
-	PayChActor     address.Address
-	Payer          address.Address
-	ChannelMessage *cid.Cid
-
-	Vouchers []*types.SignedVoucher
-}
-
-type LaneState struct {
-	Closed   bool
-	Redeemed types.BigInt
-	Nonce    uint64
-}
-
-type PaymentChannelActorState struct {
-	From address.Address
-	To   address.Address
-
-	ToSend types.BigInt
-
-	ClosingAt      uint64
-	MinCloseHeight uint64
-
-	// TODO: needs to be map[uint64]*laneState
-	// waiting on refmt#35 to be fixed
-	LaneStates map[string]*LaneState
-}
-
-func (pca PaymentChannelActor) Exports() []interface{} {
-	return []interface{}{
-		1: pca.Constructor,
-		2: pca.UpdateChannelState,
-		3: pca.Close,
-		4: pca.Collect,
-		5: pca.GetOwner,
-		6: pca.GetToSend,
-	}
-}
-
-type pcaMethods struct {
-	Constructor        uint64
-	UpdateChannelState uint64
-	Close              uint64
-	Collect            uint64
-	GetOwner           uint64
-	GetToSend          uint64
-}
-
-var PCAMethods = pcaMethods{1, 2, 3, 4, 5, 6}
-
-type PCAConstructorParams struct {
-	To address.Address
-}
-
-func (pca PaymentChannelActor) Constructor(act *types.Actor, vmctx types.VMContext, params *PCAConstructorParams) ([]byte, ActorError) {
-	var self PaymentChannelActorState
-	self.From = vmctx.Origin()
-	self.To = params.To
-	self.LaneStates = make(map[string]*LaneState)
-
-	storage := vmctx.Storage()
-	c, err := storage.Put(&self)
-	if err != nil {
-		return nil, err
-	}
-
-	if err := storage.Commit(EmptyCBOR, c); err != nil {
-		return nil, err
-	}
-
-	return nil, nil
-}
-
-type PCAUpdateChannelStateParams struct {
-	Sv     types.SignedVoucher
-	Secret []byte
-	Proof  []byte
-}
-
-func hash(b []byte) []byte {
-	s := blake2b.Sum256(b)
-	return s[:]
-}
-
-type PaymentVerifyParams struct {
-	Extra []byte
-	Proof []byte
-}
-
-func (pca PaymentChannelActor) UpdateChannelState(act *types.Actor, vmctx types.VMContext, params *PCAUpdateChannelStateParams) ([]byte, ActorError) {
-	var self PaymentChannelActorState
-	oldstate := vmctx.Storage().GetHead()
-	storage := vmctx.Storage()
-	if err := storage.Get(oldstate, &self); err != nil {
-		return nil, err
-	}
-
-	sv := params.Sv
-
-	vb, nerr := sv.SigningBytes()
-	if nerr != nil {
-		return nil, aerrors.Absorb(nerr, 1, "failed to serialize signedvoucher")
-	}
-
-	if err := vmctx.VerifySignature(sv.Signature, self.From, vb); err != nil {
-		return nil, err
-	}
-
-	if vmctx.BlockHeight() < sv.TimeLock {
-		return nil, aerrors.New(2, "cannot use this voucher yet!")
-	}
-
-	if len(sv.SecretPreimage) > 0 {
-		if !bytes.Equal(hash(params.Secret), sv.SecretPreimage) {
-			return nil, aerrors.New(3, "incorrect secret!")
-		}
-	}
-
-	if sv.Extra != nil {
-		encoded, err := SerializeParams(&PaymentVerifyParams{sv.Extra.Data, params.Proof})
-		if err != nil {
-			return nil, err
-		}
-
-		_, err = vmctx.Send(sv.Extra.Actor, sv.Extra.Method, types.NewInt(0), encoded)
-		if err != nil {
-			return nil, aerrors.Newf(4, "spend voucher verification failed: %s", err)
-		}
-	}
-
-	ls, ok := self.LaneStates[fmt.Sprint(sv.Lane)]
-	if !ok {
-		ls = new(LaneState)
-		ls.Redeemed = types.NewInt(0) // TODO: kinda annoying that this doesnt default to a usable value
-		self.LaneStates[fmt.Sprint(sv.Lane)] = ls
-	}
-	if ls.Closed {
-		return nil, aerrors.New(5, "cannot redeem a voucher on a closed lane")
-	}
-
-	if ls.Nonce > sv.Nonce {
-		return nil, aerrors.New(6, "voucher has an outdated nonce, cannot redeem")
-	}
-
-	mergeValue := types.NewInt(0)
-	for _, merge := range sv.Merges {
-		if merge.Lane == sv.Lane {
-			return nil, aerrors.New(7, "voucher cannot merge its own lane")
-		}
-
-		ols := self.LaneStates[fmt.Sprint(merge.Lane)]
-
-		if ols.Nonce >= merge.Nonce {
-			return nil, aerrors.New(8, "merge in voucher has outdated nonce, cannot redeem")
-		}
-
-		mergeValue = types.BigAdd(mergeValue, ols.Redeemed)
-		ols.Nonce = merge.Nonce
-	}
-
-	ls.Nonce = sv.Nonce
-	balanceDelta := types.BigSub(sv.Amount, types.BigAdd(mergeValue, ls.Redeemed))
-	ls.Redeemed = sv.Amount
-
-	newSendBalance := types.BigAdd(self.ToSend, balanceDelta)
-	if newSendBalance.LessThan(types.NewInt(0)) {
-		// TODO: is this impossible?
-		return nil, aerrors.New(9, "voucher would leave channel balance negative")
-	}
-
-	if newSendBalance.GreaterThan(act.Balance) {
-		return nil, aerrors.New(10, "not enough funds in channel to cover voucher")
-	}
-
-	log.Info("vals: ", newSendBalance, sv.Amount, balanceDelta, mergeValue, ls.Redeemed)
-	self.ToSend = newSendBalance
-
-	if sv.MinCloseHeight != 0 {
-		if self.ClosingAt != 0 && self.ClosingAt < sv.MinCloseHeight {
-			self.ClosingAt = sv.MinCloseHeight
-		}
-		if self.MinCloseHeight < sv.MinCloseHeight {
-			self.MinCloseHeight = sv.MinCloseHeight
-		}
-	}
-
-	ncid, err := storage.Put(&self)
-	if err != nil {
-		return nil, err
-	}
-	if err := storage.Commit(oldstate, ncid); err != nil {
-		return nil, err
-	}
-
-	return nil, nil
-}
-
-func (pca PaymentChannelActor) Close(act *types.Actor, vmctx types.VMContext, params *struct{}) ([]byte, aerrors.ActorError) {
-	var self PaymentChannelActorState
-	storage := vmctx.Storage()
-	oldstate := storage.GetHead()
-	if err := storage.Get(oldstate, &self); err != nil {
-		return nil, err
-	}
-
-	if vmctx.Message().From != self.From && vmctx.Message().From != self.To {
-		return nil, aerrors.New(1, "not authorized to close channel")
-	}
-
-	if self.ClosingAt != 0 {
-		return nil, aerrors.New(2, "channel already closing")
-	}
-
-	self.ClosingAt = vmctx.BlockHeight() + build.PaymentChannelClosingDelay
-	if self.ClosingAt < self.MinCloseHeight {
-		self.ClosingAt = self.MinCloseHeight
-	}
-
-	ncid, err := storage.Put(&self)
-	if err != nil {
-		return nil, err
-	}
-	if err := storage.Commit(oldstate, ncid); err != nil {
-		return nil, err
-	}
-
-	return nil, nil
-}
-
-func (pca PaymentChannelActor) Collect(act *types.Actor, vmctx types.VMContext, params *struct{}) ([]byte, aerrors.ActorError) {
-	var self PaymentChannelActorState
-	storage := vmctx.Storage()
-	oldstate := storage.GetHead()
-	if err := storage.Get(oldstate, &self); err != nil {
-		return nil, err
-	}
-
-	if self.ClosingAt == 0 {
-		return nil, aerrors.New(1, "payment channel not closing or closed")
-	}
-
-	if vmctx.BlockHeight() < self.ClosingAt {
-		return nil, aerrors.New(2, "payment channel not closed yet")
-	}
-	_, err := vmctx.Send(self.From, 0, types.BigSub(act.Balance, self.ToSend), nil)
-	if err != nil {
-		return nil, err
-	}
-	_, err = vmctx.Send(self.To, 0, self.ToSend, nil)
-	if err != nil {
-		return nil, err
-	}
-
-	self.ToSend = types.NewInt(0)
-
-	ncid, err := storage.Put(&self)
-	if err != nil {
-		return nil, err
-	}
-	if err := storage.Commit(oldstate, ncid); err != nil {
-		return nil, err
-	}
-
-	return nil, nil
-}
-
-func (pca PaymentChannelActor) GetOwner(act *types.Actor, vmctx types.VMContext, params *struct{}) ([]byte, aerrors.ActorError) {
-	var self PaymentChannelActorState
-	storage := vmctx.Storage()
-	if err := storage.Get(storage.GetHead(), &self); err != nil {
-		return nil, err
-	}
-
-	return self.From.Bytes(), nil
-}
-
-func (pca PaymentChannelActor) GetToSend(act *types.Actor, vmctx types.VMContext, params *struct{}) ([]byte, aerrors.ActorError) {
-	var self PaymentChannelActorState
-	storage := vmctx.Storage()
-	if err := storage.Get(storage.GetHead(), &self); err != nil {
-		return nil, err
-	}
-
-	return self.ToSend.Bytes(), nil
-}
@@ -1,93 +0,0 @@
-package actors_test
-
-import (
-	"context"
-	"testing"
-
-	"github.com/filecoin-project/go-address"
-	"github.com/filecoin-project/lotus/chain/actors"
-	"github.com/filecoin-project/lotus/chain/types"
-	"github.com/filecoin-project/lotus/chain/wallet"
-)
-
-func TestPaychCreate(t *testing.T) {
-	var creatorAddr, targetAddr address.Address
-	opts := []HarnessOpt{
-		HarnessAddr(&creatorAddr, 100000),
-		HarnessAddr(&targetAddr, 100000),
-	}
-
-	h := NewHarness(t, opts...)
-	ret, _ := h.CreateActor(t, creatorAddr, actors.PaymentChannelCodeCid,
-		&actors.PCAConstructorParams{
-			To: targetAddr,
-		})
-	ApplyOK(t, ret)
-}
-
-func signVoucher(t *testing.T, w *wallet.Wallet, addr address.Address, sv *types.SignedVoucher) {
-	vb, err := sv.SigningBytes()
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	sig, err := w.Sign(context.TODO(), addr, vb)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	sv.Signature = sig
-}
-
-func TestPaychUpdate(t *testing.T) {
-	var creatorAddr, targetAddr address.Address
-	opts := []HarnessOpt{
-		HarnessAddr(&creatorAddr, 100000),
-		HarnessAddr(&targetAddr, 100000),
-	}
-
-	h := NewHarness(t, opts...)
-	ret, _ := h.CreateActor(t, creatorAddr, actors.PaymentChannelCodeCid,
-		&actors.PCAConstructorParams{
-			To: targetAddr,
-		})
-	ApplyOK(t, ret)
-	pch, err := address.NewFromBytes(ret.Return)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	ret, _ = h.SendFunds(t, creatorAddr, pch, types.NewInt(5000))
-	ApplyOK(t, ret)
-
-	sv := &types.SignedVoucher{
-		Amount: types.NewInt(100),
-		Nonce:  1,
-	}
-	signVoucher(t, h.w, creatorAddr, sv)
-
-	ret, _ = h.Invoke(t, targetAddr, pch, actors.PCAMethods.UpdateChannelState, &actors.PCAUpdateChannelStateParams{
-		Sv: *sv,
-	})
-	ApplyOK(t, ret)
-
-	ret, _ = h.Invoke(t, targetAddr, pch, actors.PCAMethods.GetToSend, nil)
-	ApplyOK(t, ret)
-
-	bi := types.BigFromBytes(ret.Return)
-	if bi.String() != "100" {
-		t.Fatal("toSend amount was wrong: ", bi.String())
-	}
-
-	ret, _ = h.Invoke(t, targetAddr, pch, actors.PCAMethods.Close, nil)
-	ApplyOK(t, ret)
-
-	// now we have to 'wait' for the chain to advance.
-	h.BlockHeight = 1000
-
-	ret, _ = h.Invoke(t, targetAddr, pch, actors.PCAMethods.Collect, nil)
-	ApplyOK(t, ret)
-
-	h.AssertBalanceChange(t, targetAddr, 100)
-	h.AssertBalanceChange(t, creatorAddr, -100)
-}
@@ -1,676 +0,0 @@
-package actors
-
-import (
-	"bytes"
-	"context"
-	"sort"
-
-	"go.opencensus.io/trace"
-	"golang.org/x/xerrors"
-
-	"github.com/filecoin-project/go-amt-ipld"
-	"github.com/ipfs/go-cid"
-	"github.com/ipfs/go-hamt-ipld"
-
-	"github.com/filecoin-project/go-address"
-	"github.com/filecoin-project/go-cbor-util"
-	"github.com/filecoin-project/go-sectorbuilder"
-	"github.com/filecoin-project/lotus/build"
-	"github.com/filecoin-project/lotus/chain/actors/aerrors"
-	"github.com/filecoin-project/lotus/chain/types"
-)
-
-type StorageMarketActor struct{}
-
-type smaMethods struct {
-	Constructor                  uint64
-	WithdrawBalance              uint64
-	AddBalance                   uint64
-	CheckLockedBalance           uint64
-	PublishStorageDeals          uint64
-	HandleCronAction             uint64
-	SettleExpiredDeals           uint64
-	ProcessStorageDealsPayment   uint64
-	SlashStorageDealCollateral   uint64
-	GetLastExpirationFromDealIDs uint64
-	ActivateStorageDeals         uint64
-	ComputeDataCommitment        uint64
-}
-
-var SMAMethods = smaMethods{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}
-
-func (sma StorageMarketActor) Exports() []interface{} {
-	return []interface{}{
-		2: sma.WithdrawBalance,
-		3: sma.AddBalance,
-		// 4: sma.CheckLockedBalance,
-		5: sma.PublishStorageDeals,
-		// 6: sma.HandleCronAction,
-		// 7: sma.SettleExpiredDeals,
-		// 8: sma.ProcessStorageDealsPayment,
-		// 9: sma.SlashStorageDealCollateral,
-		// 10: sma.GetLastExpirationFromDealIDs,
-		11: sma.ActivateStorageDeals, // TODO: move under PublishStorageDeals after specs team approves
-		12: sma.ComputeDataCommitment,
-	}
-}
-
-type StorageParticipantBalance struct {
-	Locked    types.BigInt
-	Available types.BigInt
-}
-
-type StorageMarketState struct {
-	Balances cid.Cid // hamt<addr, StorageParticipantBalance>
-	Deals    cid.Cid // amt<StorageDeal>
-
-	NextDealID uint64 // TODO: spec
-}
-
-// TODO: Drop in favour of car storage
-type SerializationMode = uint64
-
-const (
-	SerializationUnixFSv0 = iota
-	// IPLD / car
-)
-
-type StorageDealProposal struct {
-	PieceRef  []byte // cid bytes // TODO: spec says to use cid.Cid, probably not a good idea
-	PieceSize uint64
-
-	Client   address.Address
-	Provider address.Address
-
-	ProposalExpiration uint64
-	Duration           uint64 // TODO: spec
-
-	StoragePricePerEpoch types.BigInt
-	StorageCollateral    types.BigInt
-
-	ProposerSignature *types.Signature
-}
-
-func (sdp *StorageDealProposal) TotalStoragePrice() types.BigInt {
-	return types.BigMul(sdp.StoragePricePerEpoch, types.NewInt(sdp.Duration))
-}
-
-type SignFunc = func(context.Context, []byte) (*types.Signature, error)
-
-func (sdp *StorageDealProposal) Sign(ctx context.Context, sign SignFunc) error {
-	if sdp.ProposerSignature != nil {
-		return xerrors.New("signature already present in StorageDealProposal")
-	}
-	var buf bytes.Buffer
-	if err := sdp.MarshalCBOR(&buf); err != nil {
-		return err
-	}
-	sig, err := sign(ctx, buf.Bytes())
-	if err != nil {
-		return err
-	}
-	sdp.ProposerSignature = sig
-	return nil
-}
-
-func (sdp *StorageDealProposal) Cid() (cid.Cid, error) {
-	nd, err := cborutil.AsIpld(sdp)
-	if err != nil {
-		return cid.Undef, err
-	}
-
-	return nd.Cid(), nil
-}
-
-func (sdp *StorageDealProposal) Verify(worker address.Address) error {
-	if sdp.Client != worker || worker == address.Undef {
-		unsigned := *sdp
-		unsigned.ProposerSignature = nil
-		var buf bytes.Buffer
-		if err := unsigned.MarshalCBOR(&buf); err != nil {
-			return err
-		}
-
-		if err := sdp.ProposerSignature.Verify(sdp.Client, buf.Bytes()); err != nil {
-			return err
-		}
-	}
-
-	return nil
-}
-
-type OnChainDeal struct {
-	PieceRef  []byte // cid bytes // TODO: spec says to use cid.Cid, probably not a good idea
-	PieceSize uint64
-
-	Client   address.Address
-	Provider address.Address
-
-	ProposalExpiration uint64
-	Duration           uint64 // TODO: spec
-
-	StoragePricePerEpoch types.BigInt
-	StorageCollateral    types.BigInt
-	ActivationEpoch      uint64 // 0 = inactive
-}
-
-type WithdrawBalanceParams struct {
-	Balance types.BigInt
-}
-
-func (sma StorageMarketActor) WithdrawBalance(act *types.Actor, vmctx types.VMContext, params *WithdrawBalanceParams) ([]byte, ActorError) {
-	// TODO: (spec) this should be 2-stage
-
-	var self StorageMarketState
-	old := vmctx.Storage().GetHead()
-	if err := vmctx.Storage().Get(old, &self); err != nil {
-		return nil, err
-	}
-
-	b, bnd, err := GetMarketBalances(vmctx.Context(), vmctx.Ipld(), self.Balances, vmctx.Message().From)
-	if err != nil {
-		return nil, aerrors.Wrap(err, "could not get balance")
-	}
-
-	balance := b[0]
-
-	if balance.Available.LessThan(params.Balance) {
-		return nil, aerrors.Newf(1, "can not withdraw more funds than available: %s > %s", params.Balance, b[0].Available)
-	}
-
-	balance.Available = types.BigSub(balance.Available, params.Balance)
-
-	_, err = vmctx.Send(vmctx.Message().From, 0, params.Balance, nil)
-	if err != nil {
-		return nil, aerrors.Wrap(err, "sending funds failed")
-	}
-
-	bcid, err := setMarketBalances(vmctx, bnd, map[address.Address]StorageParticipantBalance{
-		vmctx.Message().From: balance,
-	})
-	if err != nil {
-		return nil, err
-	}
-
-	self.Balances = bcid
-
-	nroot, err := vmctx.Storage().Put(&self)
-	if err != nil {
-		return nil, err
-	}
-
-	return nil, vmctx.Storage().Commit(old, nroot)
-}
-
-func (sma StorageMarketActor) AddBalance(act *types.Actor, vmctx types.VMContext, params *struct{}) ([]byte, ActorError) {
-	var self StorageMarketState
-	old := vmctx.Storage().GetHead()
-	if err := vmctx.Storage().Get(old, &self); err != nil {
-		return nil, err
-	}
-
-	b, bnd, err := GetMarketBalances(vmctx.Context(), vmctx.Ipld(), self.Balances, vmctx.Message().From)
-	if err != nil {
-		return nil, aerrors.Wrap(err, "could not get balance")
-	}
-
-	balance := b[0]
-
-	balance.Available = types.BigAdd(balance.Available, vmctx.Message().Value)
-
-	bcid, err := setMarketBalances(vmctx, bnd, map[address.Address]StorageParticipantBalance{
-		vmctx.Message().From: balance,
-	})
-	if err != nil {
-		return nil, err
-	}
-
-	self.Balances = bcid
-
-	nroot, err := vmctx.Storage().Put(&self)
-	if err != nil {
-		return nil, err
-	}
-
-	return nil, vmctx.Storage().Commit(old, nroot)
-}
-
-func setMarketBalances(vmctx types.VMContext, nd *hamt.Node, set map[address.Address]StorageParticipantBalance) (cid.Cid, ActorError) {
-	keys := make([]address.Address, 0, len(set))
-	for k := range set {
-		keys = append(keys, k)
-	}
-	sort.Slice(keys, func(i, j int) bool {
-		return bytes.Compare(keys[i].Bytes(), keys[j].Bytes()) < 0
-	})
-	for _, addr := range keys {
-		balance := set[addr]
-		if err := nd.Set(vmctx.Context(), string(addr.Bytes()), &balance); err != nil {
-			return cid.Undef, aerrors.HandleExternalError(err, "setting new balance")
-		}
-	}
-	if err := nd.Flush(vmctx.Context()); err != nil {
-		return cid.Undef, aerrors.HandleExternalError(err, "flushing balance hamt")
-	}
-
-	c, err := vmctx.Ipld().Put(vmctx.Context(), nd)
-	if err != nil {
-		return cid.Undef, aerrors.HandleExternalError(err, "failed to balances storage")
-	}
-	return c, nil
-}
-
-func GetMarketBalances(ctx context.Context, store *hamt.CborIpldStore, rcid cid.Cid, addrs ...address.Address) ([]StorageParticipantBalance, *hamt.Node, ActorError) {
-	ctx, span := trace.StartSpan(ctx, "GetMarketBalances")
-	defer span.End()
-
-	nd, err := hamt.LoadNode(ctx, store, rcid)
-	if err != nil {
-		return nil, nil, aerrors.HandleExternalError(err, "failed to load miner set")
-	}
-
-	out := make([]StorageParticipantBalance, len(addrs))
-
-	for i, a := range addrs {
-		var balance StorageParticipantBalance
-		err = nd.Find(ctx, string(a.Bytes()), &balance)
-		switch err {
-		case hamt.ErrNotFound:
-			out[i] = StorageParticipantBalance{
-				Locked:    types.NewInt(0),
-				Available: types.NewInt(0),
-			}
-		case nil:
-			out[i] = balance
-		default:
-			return nil, nil, aerrors.HandleExternalError(err, "failed to do set lookup")
-		}
-
-	}
-
-	return out, nd, nil
-}
-
-/*
-func (sma StorageMarketActor) CheckLockedBalance(act *types.Actor, vmctx types.VMContext, params *struct{}) ([]byte, ActorError) {
-
-}
-*/
-
-type PublishStorageDealsParams struct {
-	Deals []StorageDealProposal
-}
-
-type PublishStorageDealResponse struct {
-	DealIDs []uint64
-}
-
-func (sma StorageMarketActor) PublishStorageDeals(act *types.Actor, vmctx types.VMContext, params *PublishStorageDealsParams) ([]byte, ActorError) {
-	var self StorageMarketState
-	old := vmctx.Storage().GetHead()
-	if err := vmctx.Storage().Get(old, &self); err != nil {
-		return nil, err
-	}
-
-	deals, err := amt.LoadAMT(types.WrapStorage(vmctx.Storage()), self.Deals)
-	if err != nil {
-		return nil, aerrors.HandleExternalError(err, "loading deals amt")
-	}
-
-	// todo: handle duplicate deals
-
-	if len(params.Deals) == 0 {
-		return nil, aerrors.New(1, "no storage deals in params.Deals")
-	}
-
-	out := PublishStorageDealResponse{
-		DealIDs: make([]uint64, len(params.Deals)),
-	}
-
-	workerBytes, aerr := vmctx.Send(params.Deals[0].Provider, MAMethods.GetWorkerAddr, types.NewInt(0), nil)
-	if aerr != nil {
-		return nil, aerr
-	}
-	providerWorker, err := address.NewFromBytes(workerBytes)
-	if err != nil {
-		return nil, aerrors.HandleExternalError(err, "parsing provider worker address bytes")
-	}
-
-	// TODO: REVIEW: Do we want to check if provider exists in the power actor?
-
-	for i, deal := range params.Deals {
-		if err := self.validateDeal(vmctx, deal, providerWorker); err != nil {
-			return nil, err
-		}
-
-		err := deals.Set(self.NextDealID, &OnChainDeal{
-			PieceRef:  deal.PieceRef,
-			PieceSize: deal.PieceSize,
-
-			Client:   deal.Client,
-			Provider: deal.Provider,
-
-			ProposalExpiration: deal.ProposalExpiration,
-			Duration:           deal.Duration,
-
-			StoragePricePerEpoch: deal.StoragePricePerEpoch,
-			StorageCollateral:    deal.StorageCollateral,
-			ActivationEpoch:      0,
-		})
-		if err != nil {
-			return nil, aerrors.HandleExternalError(err, "setting deal in deal AMT")
-		}
-		out.DealIDs[i] = self.NextDealID
-
-		self.NextDealID++
-	}
-
-	dealsCid, err := deals.Flush()
-	if err != nil {
-		return nil, aerrors.HandleExternalError(err, "saving deals AMT")
-	}
-
-	self.Deals = dealsCid
-
-	nroot, err := vmctx.Storage().Put(&self)
-	if err != nil {
-		return nil, aerrors.HandleExternalError(err, "storing state failed")
-	}
-
-	aerr = vmctx.Storage().Commit(old, nroot)
-	if aerr != nil {
-		return nil, aerr
-	}
-
-	var outBuf bytes.Buffer
-	if err := out.MarshalCBOR(&outBuf); err != nil {
-		return nil, aerrors.HandleExternalError(err, "serialising output")
-	}
-
-	return outBuf.Bytes(), nil
-}
-
-func (st *StorageMarketState) validateDeal(vmctx types.VMContext, deal StorageDealProposal, providerWorker address.Address) aerrors.ActorError {
-	ctx, span := trace.StartSpan(vmctx.Context(), "validateDeal")
-	defer span.End()
-
-	if vmctx.BlockHeight() > deal.ProposalExpiration {
-		return aerrors.New(1, "deal proposal already expired")
-	}
-
-	if vmctx.Message().From != providerWorker {
-		return aerrors.New(2, "Deals must be submitted by the miner worker")
-	}
-
-	if err := deal.Verify(providerWorker); err != nil {
-		return aerrors.Absorb(err, 3, "verifying proposer signature")
-	}
-
-	// TODO: do some caching (changes gas so needs to be in spec too)
-	b, bnd, aerr := GetMarketBalances(ctx, vmctx.Ipld(), st.Balances, deal.Client, providerWorker)
-	if aerr != nil {
-		return aerrors.Wrap(aerr, "getting client, and provider balances")
-	}
-	clientBalance := b[0]
-	providerBalance := b[1]
-
-	totalPrice := deal.TotalStoragePrice()
-
-	if clientBalance.Available.LessThan(totalPrice) {
-		return aerrors.Newf(5, "client doesn't have enough available funds to cover storage price; %d < %d", clientBalance.Available, totalPrice)
-	}
-
-	clientBalance = lockFunds(clientBalance, totalPrice)
-
-	// TODO: REVIEW: Not clear who pays for this
-	if providerBalance.Available.LessThan(deal.StorageCollateral) {
-		return aerrors.Newf(6, "provider doesn't have enough available funds to cover StorageCollateral; %d < %d", providerBalance.Available, deal.StorageCollateral)
-	}
-
-	providerBalance = lockFunds(providerBalance, deal.StorageCollateral)
-
-	// TODO: piece checks (e.g. size > sectorSize)?
-
-	bcid, aerr := setMarketBalances(vmctx, bnd, map[address.Address]StorageParticipantBalance{
-		deal.Client:    clientBalance,
-		providerWorker: providerBalance,
-	})
-	if aerr != nil {
-		return aerr
-	}
-
-	st.Balances = bcid
-
-	return nil
-}
-
-type ActivateStorageDealsParams struct {
-	Deals []uint64
-}
-
-func (sma StorageMarketActor) ActivateStorageDeals(act *types.Actor, vmctx types.VMContext, params *ActivateStorageDealsParams) ([]byte, ActorError) {
-	var self StorageMarketState
-	old := vmctx.Storage().GetHead()
-	if err := vmctx.Storage().Get(old, &self); err != nil {
-		return nil, err
-	}
-
-	deals, err := amt.LoadAMT(types.WrapStorage(vmctx.Storage()), self.Deals)
-	if err != nil {
-		return nil, aerrors.HandleExternalError(err, "loading deals amt")
-	}
-
-	for _, deal := range params.Deals {
-		var dealInfo OnChainDeal
-		if err := deals.Get(deal, &dealInfo); err != nil {
-			if _, is := err.(*amt.ErrNotFound); is {
-				return nil, aerrors.New(3, "deal not found")
-			}
-			return nil, aerrors.HandleExternalError(err, "getting deal info failed")
-		}
-
-		if vmctx.Message().From != dealInfo.Provider {
-			return nil, aerrors.New(1, "ActivateStorageDeals can only be called by the deal provider")
-		}
-
-		if vmctx.BlockHeight() > dealInfo.ProposalExpiration {
-			return nil, aerrors.New(2, "deal cannot be activated: proposal expired")
-		}
-
-		if dealInfo.ActivationEpoch > 0 {
-			// this probably can't happen in practice
-			return nil, aerrors.New(3, "deal already active")
-		}
-
-		dealInfo.ActivationEpoch = vmctx.BlockHeight()
-
-		if err := deals.Set(deal, &dealInfo); err != nil {
-			return nil, aerrors.HandleExternalError(err, "setting deal info in AMT failed")
-		}
-	}
-
-	dealsCid, err := deals.Flush()
-	if err != nil {
-		return nil, aerrors.HandleExternalError(err, "saving deals AMT")
-	}
-
-	self.Deals = dealsCid
-
-	nroot, err := vmctx.Storage().Put(&self)
-	if err != nil {
-		return nil, aerrors.HandleExternalError(err, "storing state failed")
-	}
-
-	aerr := vmctx.Storage().Commit(old, nroot)
-	if aerr != nil {
-		return nil, aerr
-	}
-
-	return nil, nil
-}
-
-type ProcessStorageDealsPaymentParams struct {
-	DealIDs []uint64
-}
-
-func (sma StorageMarketActor) ProcessStorageDealsPayment(act *types.Actor, vmctx types.VMContext, params *ProcessStorageDealsPaymentParams) ([]byte, ActorError) {
-	var self StorageMarketState
-	old := vmctx.Storage().GetHead()
-	if err := vmctx.Storage().Get(old, &self); err != nil {
-		return nil, err
-	}
-
-	deals, err := amt.LoadAMT(types.WrapStorage(vmctx.Storage()), self.Deals)
-	if err != nil {
-		return nil, aerrors.HandleExternalError(err, "loading deals amt")
-	}
-
-	// TODO: Would be nice if send could assert actor type
-	workerBytes, aerr := vmctx.Send(vmctx.Message().From, MAMethods.GetWorkerAddr, types.NewInt(0), nil)
-	if aerr != nil {
-		return nil, aerr
-	}
-	providerWorker, err := address.NewFromBytes(workerBytes)
-	if err != nil {
-		return nil, aerrors.HandleExternalError(err, "parsing provider worker address bytes")
-	}
-
-	for _, deal := range params.DealIDs {
-		var dealInfo OnChainDeal
-		if err := deals.Get(deal, &dealInfo); err != nil {
-			if _, is := err.(*amt.ErrNotFound); is {
-				return nil, aerrors.New(2, "deal not found")
-			}
-			return nil, aerrors.HandleExternalError(err, "getting deal info failed")
-		}
-
-		if dealInfo.Provider != vmctx.Message().From {
-			return nil, aerrors.New(3, "ProcessStorageDealsPayment can only be called by deal provider")
-		}
-
-		if vmctx.BlockHeight() < dealInfo.ActivationEpoch {
-			// TODO: This is probably fatal
-			return nil, aerrors.New(4, "ActivationEpoch lower than block height")
-		}
-
-		if vmctx.BlockHeight() > dealInfo.ActivationEpoch+dealInfo.Duration {
-			// Deal expired, miner should drop it
-			// TODO: process payment for the remainder of last proving period
-			return nil, nil
-		}
-
-		toPay := types.BigMul(dealInfo.StoragePricePerEpoch, types.NewInt(build.SlashablePowerDelay))
-
-		b, bnd, aerr := GetMarketBalances(vmctx.Context(), vmctx.Ipld(), self.Balances, dealInfo.Client, providerWorker)
-		if aerr != nil {
-			return nil, aerr
-		}
-		clientBal := b[0]
-		providerBal := b[1]
-
-		clientBal.Locked, providerBal.Available = transferFunds(clientBal.Locked, providerBal.Available, toPay)
-
-		// TODO: call set once
-		bcid, aerr := setMarketBalances(vmctx, bnd, map[address.Address]StorageParticipantBalance{
-			dealInfo.Client: clientBal,
-			providerWorker:  providerBal,
-		})
-		if aerr != nil {
-			return nil, aerr
-		}
-
-		self.Balances = bcid
-	}
-
-	nroot, err := vmctx.Storage().Put(&self)
-	if err != nil {
-		return nil, aerrors.HandleExternalError(err, "storing state failed")
-	}
-
-	aerr = vmctx.Storage().Commit(old, nroot)
-	if aerr != nil {
-		return nil, aerr
-	}
-
-	return nil, nil
-}
-
-func lockFunds(p StorageParticipantBalance, amt types.BigInt) StorageParticipantBalance {
-	p.Available, p.Locked = transferFunds(p.Available, p.Locked, amt)
-	return p
-}
-
-func transferFunds(from, to, amt types.BigInt) (types.BigInt, types.BigInt) {
-	// TODO: some asserts
-	return types.BigSub(from, amt), types.BigAdd(to, amt)
-}
-
-type ComputeDataCommitmentParams struct {
-	DealIDs    []uint64
-	SectorSize uint64
-}
-
-func (sma StorageMarketActor) ComputeDataCommitment(act *types.Actor, vmctx types.VMContext, params *ComputeDataCommitmentParams) ([]byte, ActorError) {
-	var self StorageMarketState
-	old := vmctx.Storage().GetHead()
-	if err := vmctx.Storage().Get(old, &self); err != nil {
-		return nil, err
-	}
-
-	deals, err := amt.LoadAMT(types.WrapStorage(vmctx.Storage()), self.Deals)
-	if err != nil {
-		return nil, aerrors.HandleExternalError(err, "loading deals amt")
-	}
-
-	if len(params.DealIDs) == 0 {
-		return nil, aerrors.New(3, "no deal IDs")
-	}
-
-	var pieces []sectorbuilder.PublicPieceInfo
-	for _, deal := range params.DealIDs {
-		var dealInfo OnChainDeal
-		if err := deals.Get(deal, &dealInfo); err != nil {
-			if _, is := err.(*amt.ErrNotFound); is {
-				return nil, aerrors.New(4, "deal not found")
-			}
-			return nil, aerrors.HandleExternalError(err, "getting deal info failed")
-		}
-
-		if dealInfo.Provider != vmctx.Message().From {
-			return nil, aerrors.New(5, "referenced deal was not from caller")
-		}
-
-		var commP [32]byte
-		copy(commP[:], dealInfo.PieceRef)
-
-		pieces = append(pieces, sectorbuilder.PublicPieceInfo{
-			Size:  dealInfo.PieceSize,
-			CommP: commP,
-		})
-	}
-
-	commd, err := sectorbuilder.GenerateDataCommitment(params.SectorSize, pieces)
-	if err != nil {
-		return nil, aerrors.Absorb(err, 6, "failed to generate data commitment from pieces")
-	}
-
-	return commd[:], nil
-}
-
-/*
-func (sma StorageMarketActor) HandleCronAction(act *types.Actor, vmctx types.VMContext, params *struct{}) ([]byte, ActorError) {
-
-}
-
-func (sma StorageMarketActor) SettleExpiredDeals(act *types.Actor, vmctx types.VMContext, params *struct{}) ([]byte, ActorError) {
-
-}
-
-func (sma StorageMarketActor) SlashStorageDealCollateral(act *types.Actor, vmctx types.VMContext, params *struct{}) ([]byte, ActorError) {
-
-}
-
-func (sma StorageMarketActor) GetLastExpirationFromDealIDs(act *types.Actor, vmctx types.VMContext, params *struct{}) ([]byte, ActorError) {
-
-}
-*/
@@ -1,822 +0,0 @@
-package actors
-
-import (
-	"bytes"
-	"context"
-	"io"
-
-	"github.com/filecoin-project/go-amt-ipld"
-	cid "github.com/ipfs/go-cid"
-	hamt "github.com/ipfs/go-hamt-ipld"
-	"github.com/libp2p/go-libp2p-core/peer"
-	cbg "github.com/whyrusleeping/cbor-gen"
-	"go.opencensus.io/trace"
-	xerrors "golang.org/x/xerrors"
-
-	"github.com/filecoin-project/go-address"
-	"github.com/filecoin-project/lotus/build"
-	"github.com/filecoin-project/lotus/chain/actors/aerrors"
-	"github.com/filecoin-project/lotus/chain/types"
-)
-
-type StoragePowerActor struct{}
-
-type spaMethods struct {
-	Constructor             uint64
-	CreateStorageMiner      uint64
-	ArbitrateConsensusFault uint64
-	UpdateStorage           uint64
-	GetTotalStorage         uint64
-	PowerLookup             uint64
-	IsValidMiner            uint64
-	PledgeCollateralForSize uint64
-	CheckProofSubmissions   uint64
-}
-
-var SPAMethods = spaMethods{1, 2, 3, 4, 5, 6, 7, 8, 9}
-
-func (spa StoragePowerActor) Exports() []interface{} {
-	return []interface{}{
-		//1: spa.StoragePowerConstructor,
-		2: spa.CreateStorageMiner,
-		3: spa.ArbitrateConsensusFault,
-		4: spa.UpdateStorage,
-		5: spa.GetTotalStorage,
-		6: spa.PowerLookup,
-		7: spa.IsValidMiner,
-		8: spa.PledgeCollateralForSize,
-		9: spa.CheckProofSubmissions,
-	}
-}
-
-type StoragePowerState struct {
-	Miners         cid.Cid
-	ProvingBuckets cid.Cid // amt[ProvingPeriodBucket]hamt[minerAddress]struct{}
-	MinerCount     uint64
-	LastMinerCheck uint64
-
-	TotalStorage types.BigInt
-}
-
-type CreateStorageMinerParams struct {
-	Owner      address.Address
-	Worker     address.Address
-	SectorSize uint64
-	PeerID     peer.ID
-}
-
-func (spa StoragePowerActor) CreateStorageMiner(act *types.Actor, vmctx types.VMContext, params *CreateStorageMinerParams) ([]byte, ActorError) {
-	if !build.SupportedSectorSize(params.SectorSize) {
-		return nil, aerrors.Newf(1, "Unsupported sector size: %d", params.SectorSize)
-	}
-
-	var self StoragePowerState
-	old := vmctx.Storage().GetHead()
-	if err := vmctx.Storage().Get(old, &self); err != nil {
-		return nil, err
-	}
-
-	reqColl, err := pledgeCollateralForSize(vmctx, types.NewInt(0), self.TotalStorage, self.MinerCount+1)
-	if err != nil {
-		return nil, err
-	}
-
-	if vmctx.Message().Value.LessThan(reqColl) {
-		return nil, aerrors.Newf(1, "not enough funds passed to cover required miner collateral (needed %s, got %s)", reqColl, vmctx.Message().Value)
-	}
-
-	// FORK
-	minerCid := StorageMinerCodeCid
-	if vmctx.BlockHeight() > build.ForkFrigidHeight {
-		minerCid = StorageMiner2CodeCid
-	}
-
-	encoded, err := CreateExecParams(minerCid, &StorageMinerConstructorParams{
-		Owner:      params.Owner,
-		Worker:     params.Worker,
-		SectorSize: params.SectorSize,
-		PeerID:     params.PeerID,
-	})
-	if err != nil {
-		return nil, err
-	}
-
-	ret, err := vmctx.Send(InitAddress, IAMethods.Exec, vmctx.Message().Value, encoded)
-	if err != nil {
-		return nil, err
-	}
-
-	naddr, nerr := address.NewFromBytes(ret)
-	if nerr != nil {
-		return nil, aerrors.Absorb(nerr, 2, "could not read address of new actor")
-	}
-
-	ncid, err := MinerSetAdd(context.TODO(), vmctx, self.Miners, naddr)
-	if err != nil {
-		return nil, err
-	}
-	self.Miners = ncid
-	self.MinerCount++
-
-	nroot, err := vmctx.Storage().Put(&self)
-	if err != nil {
-		return nil, err
-	}
-
-	if err := vmctx.Storage().Commit(old, nroot); err != nil {
-		return nil, err
-	}
-
-	return naddr.Bytes(), nil
-}
-
-type ArbitrateConsensusFaultParams struct {
-	Block1 *types.BlockHeader
-	Block2 *types.BlockHeader
-}
-
-func (spa StoragePowerActor) ArbitrateConsensusFault(act *types.Actor, vmctx types.VMContext, params *ArbitrateConsensusFaultParams) ([]byte, ActorError) {
-	if params == nil || params.Block1 == nil || params.Block2 == nil {
-		return nil, aerrors.New(1, "failed to parse params")
-	}
-
-	if params.Block1.Miner != params.Block2.Miner {
-		return nil, aerrors.New(2, "blocks must be from the same miner")
-	}
-
-	// FORK
-	if vmctx.BlockHeight() > build.ForkBlizzardHeight {
-		if params.Block1.Height <= build.ForkBlizzardHeight {
-			return nil, aerrors.New(10, "cannot slash miners with blocks from before blizzard")
-		}
-
-		if params.Block2.Height <= build.ForkBlizzardHeight {
-			return nil, aerrors.New(11, "cannot slash miners with blocks from before blizzard")
-		}
-
-		if params.Block1.Cid() == params.Block2.Cid() {
-			return nil, aerrors.New(3, "blocks must be different")
-		}
-	}
-
-	rval, err := vmctx.Send(params.Block1.Miner, MAMethods.GetWorkerAddr, types.NewInt(0), nil)
-	if err != nil {
-		return nil, aerrors.Wrap(err, "failed to get miner worker")
-	}
-
-	worker, oerr := address.NewFromBytes(rval)
-	if oerr != nil {
-		// REVIEW: should this be fatal? i can't think of a real situation that would get us here
-		return nil, aerrors.Absorb(oerr, 3, "response from 'GetWorkerAddr' was not a valid address")
-	}
-
-	if err := params.Block1.CheckBlockSignature(vmctx.Context(), worker); err != nil {
-		return nil, aerrors.Absorb(err, 4, "block1 did not have valid signature")
-	}
-
-	if err := params.Block2.CheckBlockSignature(vmctx.Context(), worker); err != nil {
-		return nil, aerrors.Absorb(err, 5, "block2 did not have valid signature")
-	}
-
-	// see the "Consensus Faults" section of the faults spec (faults.md)
-	// for details on these slashing conditions.
-	if !shouldSlash(params.Block1, params.Block2) {
-		return nil, aerrors.New(6, "blocks do not prove a slashable offense")
-	}
-
-	var self StoragePowerState
-	old := vmctx.Storage().GetHead()
-	if err := vmctx.Storage().Get(old, &self); err != nil {
-		return nil, err
-	}
-
-	if types.BigCmp(self.TotalStorage, types.NewInt(0)) == 0 {
-		return nil, aerrors.Fatal("invalid state, storage power actor has zero total storage")
-	}
-
-	miner := params.Block1.Miner
-	if has, err := MinerSetHas(vmctx, self.Miners, miner); err != nil {
-		return nil, aerrors.Wrapf(err, "failed to check miner in set")
-	} else if !has {
-		return nil, aerrors.New(7, "either already slashed or not a miner")
-	}
-
-	minerPower, err := powerLookup(context.TODO(), vmctx, &self, miner)
-	if err != nil {
-		return nil, err
-	}
-
-	slashedCollateral, err := pledgeCollateralForSize(vmctx, minerPower, self.TotalStorage, self.MinerCount)
-	if err != nil {
-		return nil, err
-	}
-
-	enc, err := SerializeParams(&MinerSlashConsensusFault{
-		Slasher:           vmctx.Message().From,
-		AtHeight:          params.Block1.Height,
-		SlashedCollateral: slashedCollateral,
-	})
-	if err != nil {
-		return nil, err
-	}
-
-	_, err = vmctx.Send(miner, MAMethods.SlashConsensusFault, types.NewInt(0), enc)
-	if err != nil {
-		return nil, err
-	}
-
-	// Remove the miner from the list of network miners
-	ncid, err := MinerSetRemove(context.TODO(), vmctx, self.Miners, miner)
-	if err != nil {
-		return nil, err
-	}
-	self.Miners = ncid
-	self.MinerCount--
-
-	self.TotalStorage = types.BigSub(self.TotalStorage, minerPower)
-
-	nroot, err := vmctx.Storage().Put(&self)
-	if err != nil {
-		return nil, err
-	}
-
-	if err := vmctx.Storage().Commit(old, nroot); err != nil {
-		return nil, err
-	}
-
-	return nil, nil
-}
-
-func cidArrContains(a []cid.Cid, b cid.Cid) bool {
-	for _, c := range a {
-		if b == c {
-			return true
-		}
-	}
-
-	return false
-}
-
-func shouldSlash(block1, block2 *types.BlockHeader) bool {
-	// First slashing condition, blocks have the same ticket round
-	if block1.Height == block2.Height {
-		return true
-	}
-
-	/* Second slashing condition requires having access to the parent tipset blocks
-	// This might not always be available, needs some thought on the best way to deal with this
-
-
-	// Second slashing condition, miner ignored own block when mining
-	// Case A: block2 could have been in block1's parent set but is not
-	b1ParentHeight := block1.Height - len(block1.Tickets)
-
-	block1ParentTipSet := block1.Parents
-	if !cidArrContains(block1.Parents, block2.Cid()) &&
-		b1ParentHeight == block2.Height &&
-		block1ParentTipSet.ParentCids == block2.ParentCids {
-		return true
-	}
-
-	// Case B: block1 could have been in block2's parent set but is not
-	block2ParentTipSet := parentOf(block2)
-	if !block2Parent.contains(block1) &&
-		block2ParentTipSet.Height == block1.Height &&
-		block2ParentTipSet.ParentCids == block1.ParentCids {
-		return true
-	}
-
-	*/
-
-	return false
-}
-
-type UpdateStorageParams struct {
-	Delta                 types.BigInt
-	NextSlashDeadline     uint64
-	PreviousSlashDeadline uint64
-}
-
-func (spa StoragePowerActor) UpdateStorage(act *types.Actor, vmctx types.VMContext, params *UpdateStorageParams) ([]byte, ActorError) {
-	var self StoragePowerState
-	old := vmctx.Storage().GetHead()
-	if err := vmctx.Storage().Get(old, &self); err != nil {
-		return nil, err
-	}
-
-	has, err := MinerSetHas(vmctx, self.Miners, vmctx.Message().From)
-	if err != nil {
-		return nil, err
-	}
-	if !has {
-		return nil, aerrors.New(1, "update storage must only be called by a miner actor")
-	}
-
-	self.TotalStorage = types.BigAdd(self.TotalStorage, params.Delta)
-
-	previousBucket := params.PreviousSlashDeadline % build.SlashablePowerDelay
-	nextBucket := params.NextSlashDeadline % build.SlashablePowerDelay
-
-	if previousBucket == nextBucket && params.PreviousSlashDeadline != 0 {
-		nroot, err := vmctx.Storage().Put(&self)
-		if err != nil {
-			return nil, err
-		}
-
-		if err := vmctx.Storage().Commit(old, nroot); err != nil {
-			return nil, err
-		}
-
-		return nil, nil // Nothing to do
-	}
-
-	buckets, eerr := amt.LoadAMT(types.WrapStorage(vmctx.Storage()), self.ProvingBuckets)
-	if eerr != nil {
-		return nil, aerrors.HandleExternalError(eerr, "loading proving buckets amt")
-	}
-
-	if params.PreviousSlashDeadline != 0 { // delete from previous bucket
-		err := deleteMinerFromBucket(vmctx, buckets, previousBucket)
-		if err != nil {
-			return nil, aerrors.Wrapf(err, "delete from bucket %d, next %d", previousBucket, nextBucket)
-		}
-	}
-
-	err = addMinerToBucket(vmctx, buckets, nextBucket)
-	if err != nil {
-		return nil, err
-	}
-
-	self.ProvingBuckets, eerr = buckets.Flush()
-	if eerr != nil {
-		return nil, aerrors.HandleExternalError(eerr, "flushing proving buckets")
-	}
-
-	nroot, err := vmctx.Storage().Put(&self)
-	if err != nil {
-		return nil, err
-	}
-
-	if err := vmctx.Storage().Commit(old, nroot); err != nil {
-		return nil, err
-	}
-
-	return nil, nil
-}
-
-func deleteMinerFromBucket(vmctx types.VMContext, buckets *amt.Root, previousBucket uint64) aerrors.ActorError {
-	var bucket cid.Cid
-	err := buckets.Get(previousBucket, &bucket)
-	switch err.(type) {
-	case *amt.ErrNotFound:
-		return aerrors.HandleExternalError(err, "proving bucket missing")
-	case nil: // noop
-	default:
-		return aerrors.HandleExternalError(err, "getting proving bucket")
-	}
-
-	bhamt, err := hamt.LoadNode(vmctx.Context(), vmctx.Ipld(), bucket)
-	if err != nil {
-		return aerrors.HandleExternalError(err, "failed to load proving bucket")
-	}
-	err = bhamt.Delete(vmctx.Context(), string(vmctx.Message().From.Bytes()))
-	if err != nil {
-		return aerrors.HandleExternalError(err, "deleting miner from proving bucket")
-	}
-
-	err = bhamt.Flush(vmctx.Context())
-	if err != nil {
-		return aerrors.HandleExternalError(err, "flushing previous proving bucket")
-	}
-
-	bucket, err = vmctx.Ipld().Put(vmctx.Context(), bhamt)
-	if err != nil {
-		return aerrors.HandleExternalError(err, "putting previous proving bucket hamt")
-	}
-
-	err = buckets.Set(previousBucket, bucket)
-	if err != nil {
-		return aerrors.HandleExternalError(err, "setting previous proving bucket cid in amt")
-	}
-
-	return nil
-}
-
-func addMinerToBucket(vmctx types.VMContext, buckets *amt.Root, nextBucket uint64) aerrors.ActorError {
-	var bhamt *hamt.Node
-	var bucket cid.Cid
-	err := buckets.Get(nextBucket, &bucket)
-	switch err.(type) {
-	case *amt.ErrNotFound:
-		bhamt = hamt.NewNode(vmctx.Ipld())
-	case nil:
-		bhamt, err = hamt.LoadNode(vmctx.Context(), vmctx.Ipld(), bucket)
-		if err != nil {
-			return aerrors.HandleExternalError(err, "failed to load proving bucket")
-		}
-	default:
-		return aerrors.HandleExternalError(err, "getting proving bucket")
-	}
-
-	err = bhamt.Set(vmctx.Context(), string(vmctx.Message().From.Bytes()), CborNull)
-	if err != nil {
-		return aerrors.HandleExternalError(err, "setting miner in proving bucket")
-	}
-
-	err = bhamt.Flush(vmctx.Context())
-	if err != nil {
-		return aerrors.HandleExternalError(err, "flushing previous proving bucket")
-	}
-
-	bucket, err = vmctx.Ipld().Put(vmctx.Context(), bhamt)
-	if err != nil {
-		return aerrors.HandleExternalError(err, "putting previous proving bucket hamt")
-	}
-
-	err = buckets.Set(nextBucket, bucket)
-	if err != nil {
-		return aerrors.HandleExternalError(err, "setting previous proving bucket cid in amt")
-	}
-	return nil
-}
-
-func (spa StoragePowerActor) GetTotalStorage(act *types.Actor, vmctx types.VMContext, params *struct{}) ([]byte, ActorError) {
-	var self StoragePowerState
-	if err := vmctx.Storage().Get(vmctx.Storage().GetHead(), &self); err != nil {
-		return nil, err
-	}
-
-	return self.TotalStorage.Bytes(), nil
-}
-
-type PowerLookupParams struct {
-	Miner address.Address
-}
-
-func (spa StoragePowerActor) PowerLookup(act *types.Actor, vmctx types.VMContext, params *PowerLookupParams) ([]byte, ActorError) {
-	var self StoragePowerState
-	if err := vmctx.Storage().Get(vmctx.Storage().GetHead(), &self); err != nil {
-		return nil, aerrors.Wrap(err, "getting head")
-	}
-
-	pow, err := powerLookup(context.TODO(), vmctx, &self, params.Miner)
-	if err != nil {
-		return nil, err
-	}
-
-	return pow.Bytes(), nil
-}
-
-func powerLookup(ctx context.Context, vmctx types.VMContext, self *StoragePowerState, miner address.Address) (types.BigInt, ActorError) {
-	has, err := MinerSetHas(vmctx, self.Miners, miner)
-	if err != nil {
-		return types.EmptyInt, err
-	}
-
-	if !has {
-		return types.EmptyInt, aerrors.New(1, "miner not registered with storage power actor")
-	}
-
-	// TODO: Use local amt
-	ret, err := vmctx.Send(miner, MAMethods.GetPower, types.NewInt(0), nil)
-	if err != nil {
-		return types.EmptyInt, aerrors.Wrap(err, "invoke Miner.GetPower")
-	}
-
-	return types.BigFromBytes(ret), nil
-}
-
-type IsValidMinerParam struct {
-	Addr address.Address
-}
-
-func (spa StoragePowerActor) IsValidMiner(act *types.Actor, vmctx types.VMContext, param *IsValidMinerParam) ([]byte, ActorError) {
-	var self StoragePowerState
-	if err := vmctx.Storage().Get(vmctx.Storage().GetHead(), &self); err != nil {
-		return nil, err
-	}
-
-	has, err := MinerSetHas(vmctx, self.Miners, param.Addr)
-	if err != nil {
-		return nil, err
-	}
-
-	if !has {
-		log.Warnf("Miner INVALID: not in set: %s", param.Addr)
-
-		return cbg.CborBoolFalse, nil
-	}
-
-	ret, err := vmctx.Send(param.Addr, MAMethods.IsSlashed, types.NewInt(0), nil)
-	if err != nil {
-		return nil, err
-	}
-
-	slashed := bytes.Equal(ret, cbg.CborBoolTrue)
-
-	if slashed {
-		log.Warnf("Miner INVALID: /SLASHED/ : %s", param.Addr)
-	}
-
-	return cbg.EncodeBool(!slashed), nil
-}
-
-type PledgeCollateralParams struct {
-	Size types.BigInt
-}
-
-func (spa StoragePowerActor) PledgeCollateralForSize(act *types.Actor, vmctx types.VMContext, param *PledgeCollateralParams) ([]byte, ActorError) {
-	var self StoragePowerState
-	if err := vmctx.Storage().Get(vmctx.Storage().GetHead(), &self); err != nil {
-		return nil, err
-	}
-
-	totalCollateral, err := pledgeCollateralForSize(vmctx, param.Size, self.TotalStorage, self.MinerCount)
-	if err != nil {
-		return nil, err
-	}
-
-	return totalCollateral.Bytes(), nil
-}
-
-func pledgeCollateralForSize(vmctx types.VMContext, size, totalStorage types.BigInt, minerCount uint64) (types.BigInt, aerrors.ActorError) {
-	netBalance, err := vmctx.GetBalance(NetworkAddress)
-	if err != nil {
-		return types.EmptyInt, err
-	}
-
-	// TODO: the spec says to also grab 'total vested filecoin' and include it as available
-	// If we don't factor that in, we effectively assume all of the locked up filecoin is 'available'
-	// the blocker on that right now is that its hard to tell how much filecoin is unlocked
-
-	availableFilecoin := types.BigSub(
-		types.BigMul(types.NewInt(build.TotalFilecoin), types.NewInt(build.FilecoinPrecision)),
-		netBalance,
-	)
-
-	totalPowerCollateral := types.BigDiv(
-		types.BigMul(
-			availableFilecoin,
-			types.NewInt(build.PowerCollateralProportion),
-		),
-		types.NewInt(build.CollateralPrecision),
-	)
-
-	totalPerCapitaCollateral := types.BigDiv(
-		types.BigMul(
-			availableFilecoin,
-			types.NewInt(build.PerCapitaCollateralProportion),
-		),
-		types.NewInt(build.CollateralPrecision),
-	)
-
-	// REVIEW: for bootstrapping purposes, we skip the power portion of the
-	// collateral if there is no collateral in the network yet
-	powerCollateral := types.NewInt(0)
-	if types.BigCmp(totalStorage, types.NewInt(0)) != 0 {
-		powerCollateral = types.BigDiv(
-			types.BigMul(
-				totalPowerCollateral,
-				size,
-			),
-			totalStorage,
-		)
-	}
-
-	perCapCollateral := types.BigDiv(
-		totalPerCapitaCollateral,
-		types.NewInt(minerCount),
-	)
-
-	return types.BigAdd(powerCollateral, perCapCollateral), nil
-}
-
-func (spa StoragePowerActor) CheckProofSubmissions(act *types.Actor, vmctx types.VMContext, param *struct{}) ([]byte, ActorError) {
-	if vmctx.Message().From != CronAddress {
-		return nil, aerrors.New(1, "CheckProofSubmissions is only callable from the cron actor")
-	}
-
-	var self StoragePowerState
-	old := vmctx.Storage().GetHead()
-	if err := vmctx.Storage().Get(old, &self); err != nil {
-		return nil, err
-	}
-
-	for i := self.LastMinerCheck; i < vmctx.BlockHeight(); i++ {
-		height := i + 1
-
-		err := checkProofSubmissionsAtH(vmctx, &self, height)
-		if err != nil {
-			return nil, err
-		}
-	}
-
-	self.LastMinerCheck = vmctx.BlockHeight()
-
-	nroot, aerr := vmctx.Storage().Put(&self)
-	if aerr != nil {
-		return nil, aerr
-	}
-
-	if err := vmctx.Storage().Commit(old, nroot); err != nil {
-		return nil, err
-	}
-
-	return nil, nil
-}
-
-func checkProofSubmissionsAtH(vmctx types.VMContext, self *StoragePowerState, height uint64) aerrors.ActorError {
-	bucketID := height % build.SlashablePowerDelay
-
-	buckets, eerr := amt.LoadAMT(types.WrapStorage(vmctx.Storage()), self.ProvingBuckets)
-	if eerr != nil {
-		return aerrors.HandleExternalError(eerr, "loading proving buckets amt")
-	}
-
-	var bucket cid.Cid
-	err := buckets.Get(bucketID, &bucket)
-	switch err.(type) {
-	case *amt.ErrNotFound:
-		return nil // nothing to do
-	case nil:
-	default:
-		return aerrors.HandleExternalError(err, "getting proving bucket")
-	}
-
-	bhamt, err := hamt.LoadNode(vmctx.Context(), vmctx.Ipld(), bucket)
-	if err != nil {
-		return aerrors.HandleExternalError(err, "failed to load proving bucket")
-	}
-
-	err = bhamt.ForEach(vmctx.Context(), func(k string, val interface{}) error {
-		_, span := trace.StartSpan(vmctx.Context(), "StoragePowerActor.CheckProofSubmissions.loop")
-		defer span.End()
-
-		maddr, err := address.NewFromBytes([]byte(k))
-		if err != nil {
-			return aerrors.Escalate(err, "parsing miner address")
-		}
-
-		span.AddAttributes(trace.StringAttribute("miner", maddr.String()))
-
-		params, err := SerializeParams(&CheckMinerParams{NetworkPower: self.TotalStorage})
-		if err != nil {
-			return err
-		}
-
-		ret, err := vmctx.Send(maddr, MAMethods.CheckMiner, types.NewInt(0), params)
-		if err != nil {
-			return err
-		}
-
-		if len(ret) == 0 {
-			return nil // miner is fine
-		}
-
-		var power types.BigInt
-		if err := power.UnmarshalCBOR(bytes.NewReader(ret)); err != nil {
-			return xerrors.Errorf("unmarshaling CheckMiner response (%x): %w", ret, err)
-		}
-
-		if power.GreaterThan(types.NewInt(0)) {
-			log.Warnf("slashing miner %s for missed PoSt (%s B, H: %d, Bucket: %d)", maddr, power, height, bucketID)
-
-			self.TotalStorage = types.BigSub(self.TotalStorage, power)
-		}
-		return nil
-	})
-
-	if err != nil {
-		return aerrors.HandleExternalError(err, "iterating miners in proving bucket")
-	}
-
-	return nil
-}
-
-func MinerSetHas(vmctx types.VMContext, rcid cid.Cid, maddr address.Address) (bool, aerrors.ActorError) {
-	nd, err := hamt.LoadNode(vmctx.Context(), vmctx.Ipld(), rcid)
-	if err != nil {
-		return false, aerrors.HandleExternalError(err, "failed to load miner set")
-	}
-
-	err = nd.Find(vmctx.Context(), string(maddr.Bytes()), nil)
-	switch err {
-	case hamt.ErrNotFound:
-		return false, nil
-	case nil:
-		return true, nil
-	default:
-		return false, aerrors.HandleExternalError(err, "failed to do set lookup")
-	}
-}
-
-func MinerSetList(ctx context.Context, cst *hamt.CborIpldStore, rcid cid.Cid) ([]address.Address, error) {
-	nd, err := hamt.LoadNode(ctx, cst, rcid)
-	if err != nil {
-		return nil, xerrors.Errorf("failed to load miner set: %w", err)
-	}
-
-	var out []address.Address
-	err = nd.ForEach(ctx, func(k string, val interface{}) error {
-		addr, err := address.NewFromBytes([]byte(k))
-		if err != nil {
-			return err
-		}
-		out = append(out, addr)
-		return nil
-	})
-	if err != nil {
-		return nil, err
-	}
-
-	return out, nil
-}
-
-func MinerSetAdd(ctx context.Context, vmctx types.VMContext, rcid cid.Cid, maddr address.Address) (cid.Cid, aerrors.ActorError) {
-	nd, err := hamt.LoadNode(ctx, vmctx.Ipld(), rcid)
-	if err != nil {
-		return cid.Undef, aerrors.HandleExternalError(err, "failed to load miner set")
-	}
-
-	mkey := string(maddr.Bytes())
-	err = nd.Find(ctx, mkey, nil)
-	if err == nil {
-		return cid.Undef, aerrors.New(20, "miner already in set")
-	}
-
-	if !xerrors.Is(err, hamt.ErrNotFound) {
-		return cid.Undef, aerrors.HandleExternalError(err, "failed to do miner set check")
-	}
-
-	if err := nd.Set(ctx, mkey, uint64(1)); err != nil {
-		return cid.Undef, aerrors.HandleExternalError(err, "adding miner address to set failed")
-	}
-
-	if err := nd.Flush(ctx); err != nil {
-		return cid.Undef, aerrors.HandleExternalError(err, "failed to flush miner set")
-	}
-
-	c, err := vmctx.Ipld().Put(ctx, nd)
-	if err != nil {
-		return cid.Undef, aerrors.HandleExternalError(err, "failed to persist miner set to storage")
-	}
-
-	return c, nil
-}
-
-func MinerSetRemove(ctx context.Context, vmctx types.VMContext, rcid cid.Cid, maddr address.Address) (cid.Cid, aerrors.ActorError) {
-	nd, err := hamt.LoadNode(ctx, vmctx.Ipld(), rcid)
-	if err != nil {
-		return cid.Undef, aerrors.HandleExternalError(err, "failed to load miner set")
-	}
-
-	mkey := string(maddr.Bytes())
-	switch nd.Delete(ctx, mkey) {
-	default:
-		return cid.Undef, aerrors.HandleExternalError(err, "failed to delete miner from set")
-	case hamt.ErrNotFound:
-		return cid.Undef, aerrors.New(1, "miner not found in set on delete")
-	case nil:
-	}
-
-	if err := nd.Flush(ctx); err != nil {
-		return cid.Undef, aerrors.HandleExternalError(err, "failed to flush miner set")
-	}
-
-	c, err := vmctx.Ipld().Put(ctx, nd)
-	if err != nil {
-		return cid.Undef, aerrors.HandleExternalError(err, "failed to persist miner set to storage")
-	}
-
-	return c, nil
-}
-
-type cbgNull struct{}
-
-var CborNull = &cbgNull{}
-
-func (cbgNull) MarshalCBOR(w io.Writer) error {
-	n, err := w.Write(cbg.CborNull)
-	if err != nil {
-		return err
-	}
-	if n != 1 {
-		return xerrors.New("expected to write 1 byte")
-	}
-	return nil
-}
-
-func (cbgNull) UnmarshalCBOR(r io.Reader) error {
-	b := [1]byte{}
-	n, err := r.Read(b[:])
-	if err != nil {
-		return err
-	}
-	if n != 1 {
-		return xerrors.New("expected 1 byte")
-	}
-	if !bytes.Equal(b[:], cbg.CborNull) {
-		return xerrors.New("expected cbor null")
-	}
-	return nil
-}
@@ -1,182 +0,0 @@
-package actors_test
-
-import (
-	"context"
-	"fmt"
-	"testing"
-
-	"github.com/filecoin-project/lotus/build"
-	cbg "github.com/whyrusleeping/cbor-gen"
-
-	"github.com/filecoin-project/go-address"
-	. "github.com/filecoin-project/lotus/chain/actors"
-	"github.com/filecoin-project/lotus/chain/types"
-	"github.com/filecoin-project/lotus/chain/vm"
-	"github.com/filecoin-project/lotus/chain/wallet"
-
-	cid "github.com/ipfs/go-cid"
-	hamt "github.com/ipfs/go-hamt-ipld"
-	bstore "github.com/ipfs/go-ipfs-blockstore"
-	cbor "github.com/ipfs/go-ipld-cbor"
-	mh "github.com/multiformats/go-multihash"
-	"github.com/stretchr/testify/assert"
-)
-
-func TestStorageMarketCreateAndSlashMiner(t *testing.T) {
-	var ownerAddr, workerAddr address.Address
-
-	opts := []HarnessOpt{
-		HarnessAddr(&ownerAddr, 1000000),
-		HarnessAddr(&workerAddr, 100000),
-	}
-
-	h := NewHarness(t, opts...)
-
-	var minerAddr address.Address
-	{
-		// cheating the bootstrapping problem
-		cheatStorageMarketTotal(t, h.vm, h.cs.Blockstore())
-
-		ret, _ := h.InvokeWithValue(t, ownerAddr, StoragePowerAddress, SPAMethods.CreateStorageMiner,
-			types.NewInt(500000),
-			&CreateStorageMinerParams{
-				Owner:      ownerAddr,
-				Worker:     workerAddr,
-				SectorSize: build.SectorSizes[0],
-				PeerID:     "fakepeerid",
-			})
-		ApplyOK(t, ret)
-		var err error
-		minerAddr, err = address.NewFromBytes(ret.Return)
-		assert.NoError(t, err)
-	}
-
-	{
-		ret, _ := h.Invoke(t, ownerAddr, StoragePowerAddress, SPAMethods.IsValidMiner,
-			&IsValidMinerParam{Addr: minerAddr})
-		ApplyOK(t, ret)
-
-		var output bool
-		err := cbor.DecodeInto(ret.Return, &output)
-		if err != nil {
-			t.Fatalf("error decoding: %+v", err)
-		}
-
-		if !output {
-			t.Fatalf("%s is miner but IsValidMiner call returned false", minerAddr)
-		}
-	}
-
-	{
-		ret, _ := h.Invoke(t, ownerAddr, StoragePowerAddress, SPAMethods.PowerLookup,
-			&PowerLookupParams{Miner: minerAddr})
-		ApplyOK(t, ret)
-		power := types.BigFromBytes(ret.Return)
-
-		if types.BigCmp(power, types.NewInt(0)) != 0 {
-			t.Fatalf("power should be zero, is: %s", power)
-		}
-	}
-
-	{
-		ret, _ := h.Invoke(t, ownerAddr, minerAddr, MAMethods.GetOwner, nil)
-		ApplyOK(t, ret)
-		oA, err := address.NewFromBytes(ret.Return)
-		assert.NoError(t, err)
-		assert.Equal(t, ownerAddr, oA, "return from GetOwner should be equal to the owner")
-	}
-
-	{
-		b1 := fakeBlock(t, minerAddr, 100)
-		b2 := fakeBlock(t, minerAddr, 101)
-
-		signBlock(t, h.w, workerAddr, b1)
-		signBlock(t, h.w, workerAddr, b2)
-
-		h.BlockHeight = build.ForkBlizzardHeight + 1
-		ret, _ := h.Invoke(t, ownerAddr, StoragePowerAddress, SPAMethods.ArbitrateConsensusFault,
-			&ArbitrateConsensusFaultParams{
-				Block1: b1,
-				Block2: b1,
-			})
-		assert.Equal(t, uint8(3), ret.ExitCode, "should have failed with exit 3")
-
-		ret, _ = h.Invoke(t, ownerAddr, StoragePowerAddress, SPAMethods.ArbitrateConsensusFault,
-			&ArbitrateConsensusFaultParams{
-				Block1: b1,
-				Block2: b2,
-			})
-		ApplyOK(t, ret)
-	}
-
-	{
-		ret, _ := h.Invoke(t, ownerAddr, StoragePowerAddress, SPAMethods.PowerLookup,
-			&PowerLookupParams{Miner: minerAddr})
-		assert.Equal(t, ret.ExitCode, byte(1))
-	}
-
-	{
-		ret, _ := h.Invoke(t, ownerAddr, StoragePowerAddress, SPAMethods.IsValidMiner, &IsValidMinerParam{minerAddr})
-		ApplyOK(t, ret)
-		assert.Equal(t, ret.Return, cbg.CborBoolFalse)
-	}
-}
-
-func cheatStorageMarketTotal(t *testing.T, vm *vm.VM, bs bstore.Blockstore) {
-	t.Helper()
-
-	sma, err := vm.StateTree().GetActor(StoragePowerAddress)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	cst := hamt.CSTFromBstore(bs)
-
-	var smastate StoragePowerState
-	if err := cst.Get(context.TODO(), sma.Head, &smastate); err != nil {
-		t.Fatal(err)
-	}
-
-	smastate.TotalStorage = types.NewInt(10000)
-
-	c, err := cst.Put(context.TODO(), &smastate)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	sma.Head = c
-
-	if err := vm.StateTree().SetActor(StoragePowerAddress, sma); err != nil {
-		t.Fatal(err)
-	}
-}
-
-func fakeBlock(t *testing.T, minerAddr address.Address, ts uint64) *types.BlockHeader {
-	c := fakeCid(t, 1)
-	return &types.BlockHeader{Height: 8000, Miner: minerAddr, Timestamp: ts, ParentStateRoot: c, Messages: c, ParentMessageReceipts: c, BLSAggregate: types.Signature{Type: types.KTBLS}}
-}
-
-func fakeCid(t *testing.T, s int) cid.Cid {
-	t.Helper()
-	c, err := cid.NewPrefixV1(cid.Raw, mh.IDENTITY).Sum([]byte(fmt.Sprintf("%d", s)))
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	return c
-}
-
-func signBlock(t *testing.T, w *wallet.Wallet, worker address.Address, blk *types.BlockHeader) {
-	t.Helper()
-	sb, err := blk.SigningBytes()
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	sig, err := w.Sign(context.TODO(), worker, sb)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	blk.BlockSig = sig
-}
@@ -1,54 +0,0 @@
-package actors
-
-import (
-	"github.com/filecoin-project/go-address"
-
-	"github.com/ipfs/go-cid"
-	mh "github.com/multiformats/go-multihash"
-)
-
-var AccountCodeCid cid.Cid
-var CronCodeCid cid.Cid
-var StoragePowerCodeCid cid.Cid
-var StorageMarketCodeCid cid.Cid
-var StorageMinerCodeCid cid.Cid
-var StorageMiner2CodeCid cid.Cid
-var MultisigCodeCid cid.Cid
-var InitCodeCid cid.Cid
-var PaymentChannelCodeCid cid.Cid
-
-var InitAddress = mustIDAddress(0)
-var NetworkAddress = mustIDAddress(1)
-var StoragePowerAddress = mustIDAddress(2)
-var StorageMarketAddress = mustIDAddress(3) // TODO: missing from spec
-var CronAddress = mustIDAddress(4)
-var BurntFundsAddress = mustIDAddress(99)
-
-func mustIDAddress(i uint64) address.Address {
-	a, err := address.NewIDAddress(i)
-	if err != nil {
-		panic(err) // ok
-	}
-	return a
-}
-
-func init() {
-	pref := cid.NewPrefixV1(cid.Raw, mh.IDENTITY)
-	mustSum := func(s string) cid.Cid {
-		c, err := pref.Sum([]byte(s))
-		if err != nil {
-			panic(err) // ok
-		}
-		return c
-	}
-
-	AccountCodeCid = mustSum("fil/1/account") // TODO: spec
-	CronCodeCid = mustSum("fil/1/cron")
-	StoragePowerCodeCid = mustSum("fil/1/power")
-	StorageMarketCodeCid = mustSum("fil/1/market")
-	StorageMinerCodeCid = mustSum("fil/1/miner")
-	StorageMiner2CodeCid = mustSum("fil/1/miner/2")
-	MultisigCodeCid = mustSum("fil/1/multisig")
-	InitCodeCid = mustSum("fil/1/init")
-	PaymentChannelCodeCid = mustSum("fil/1/paych")
-}
@@ -1,158 +0,0 @@
-package actors_test
-
-import (
-	"context"
-	"encoding/binary"
-	"fmt"
-	"testing"
-
-	"github.com/filecoin-project/lotus/build"
-
-	"github.com/filecoin-project/go-address"
-	. "github.com/filecoin-project/lotus/chain/actors"
-	"github.com/filecoin-project/lotus/chain/gen"
-	"github.com/filecoin-project/lotus/chain/store"
-	"github.com/filecoin-project/lotus/chain/types"
-	"github.com/filecoin-project/lotus/chain/vm"
-	dstore "github.com/ipfs/go-datastore"
-	bstore "github.com/ipfs/go-ipfs-blockstore"
-)
-
-func blsaddr(n uint64) address.Address {
-	buf := make([]byte, 48)
-	binary.PutUvarint(buf, n)
-
-	addr, err := address.NewBLSAddress(buf)
-	if err != nil {
-		panic(err) // ok
-	}
-
-	return addr
-}
-
-func setupVMTestEnv(t *testing.T) (*vm.VM, []address.Address, bstore.Blockstore) {
-	bs := bstore.NewBlockstore(dstore.NewMapDatastore())
-
-	from := blsaddr(0)
-	maddr := blsaddr(1)
-
-	actors := map[address.Address]types.BigInt{
-		from:  types.NewInt(1000000),
-		maddr: types.NewInt(0),
-	}
-	st, err := gen.MakeInitialStateTree(bs, actors)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	stateroot, err := st.Flush()
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	cs := store.NewChainStore(bs, nil, nil)
-
-	// TODO: should probabaly mock out the randomness bit, nil works for now
-	vm, err := vm.NewVM(stateroot, 1, nil, maddr, cs.Blockstore(), cs.VMSys())
-	if err != nil {
-		t.Fatal(err)
-	}
-	return vm, []address.Address{from, maddr}, bs
-}
-
-func TestVMInvokeMethod(t *testing.T) {
-	vm, addrs, _ := setupVMTestEnv(t)
-	from := addrs[0]
-
-	var err error
-	cenc, err := SerializeParams(&StorageMinerConstructorParams{Owner: from, Worker: from})
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	execparams := &ExecParams{
-		Code:   StorageMinerCodeCid,
-		Params: cenc,
-	}
-	enc, err := SerializeParams(execparams)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	msg := &types.Message{
-		To:       InitAddress,
-		From:     from,
-		Method:   IAMethods.Exec,
-		Params:   enc,
-		GasPrice: types.NewInt(1),
-		GasLimit: types.NewInt(10000),
-		Value:    types.NewInt(0),
-	}
-
-	ret, err := vm.ApplyMessage(context.TODO(), msg)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	if ret.ExitCode != 0 {
-		t.Fatal("invocation failed")
-	}
-
-	outaddr, err := address.NewFromBytes(ret.Return)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	if outaddr.String() != "t0102" {
-		t.Fatal("hold up")
-	}
-}
-
-func TestStorageMarketActorCreateMiner(t *testing.T) {
-	vm, addrs, bs := setupVMTestEnv(t)
-	from := addrs[0]
-	maddr := addrs[1]
-
-	cheatStorageMarketTotal(t, vm, bs)
-
-	params := &StorageMinerConstructorParams{
-		Owner:      maddr,
-		Worker:     maddr,
-		SectorSize: build.SectorSizes[0],
-		PeerID:     "fakepeerid",
-	}
-	var err error
-	enc, err := SerializeParams(params)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	msg := &types.Message{
-		To:       StoragePowerAddress,
-		From:     from,
-		Method:   SPAMethods.CreateStorageMiner,
-		Params:   enc,
-		GasPrice: types.NewInt(1),
-		GasLimit: types.NewInt(10000),
-		Value:    types.NewInt(50000),
-	}
-
-	ret, err := vm.ApplyMessage(context.TODO(), msg)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	if ret.ExitCode != 0 {
-		fmt.Println(ret.ActorErr)
-		t.Fatal("invocation failed: ", ret.ExitCode)
-	}
-
-	outaddr, err := address.NewFromBytes(ret.Return)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	if outaddr.String() != "t0102" {
-		t.Fatal("hold up")
-	}
-}
@@ -1,14 +0,0 @@
-package actors
-
-import (
-	"github.com/filecoin-project/go-address"
-	"github.com/filecoin-project/lotus/chain/actors/aerrors"
-)
-
-func NewIDAddress(id uint64) (address.Address, ActorError) {
-	a, err := address.NewIDAddress(id)
-	if err != nil {
-		return address.Undef, aerrors.Escalate(err, "could not create ID Address")
-	}
-	return a, nil
-}
@@ -3,13 +3,14 @@ package aerrors
 import (
 	"fmt"

+	"github.com/filecoin-project/specs-actors/actors/runtime/exitcode"
 	"golang.org/x/xerrors"
 )

 func IsFatal(err ActorError) bool {
 	return err != nil && err.IsFatal()
 }
-func RetCode(err ActorError) uint8 {
+func RetCode(err ActorError) exitcode.ExitCode {
 	if err == nil {
 		return 0
 	}
@@ -25,12 +26,12 @@ type internalActorError interface {
 type ActorError interface {
 	error
 	IsFatal() bool
-	RetCode() uint8
+	RetCode() exitcode.ExitCode
 }

 type actorError struct {
 	fatal   bool
-	retCode uint8
+	retCode exitcode.ExitCode

 	msg   string
 	frame xerrors.Frame
@@ -41,7 +42,7 @@ func (e *actorError) IsFatal() bool {
 	return e.fatal
 }

-func (e *actorError) RetCode() uint8 {
+func (e *actorError) RetCode() exitcode.ExitCode {
 	return e.retCode
 }

@@ -4,6 +4,7 @@ import (
 	"testing"

 	. "github.com/filecoin-project/lotus/chain/actors/aerrors"
+	"github.com/filecoin-project/specs-actors/actors/runtime/exitcode"

 	"github.com/stretchr/testify/assert"
 	"golang.org/x/xerrors"
@@ -31,5 +32,5 @@ func TestAbsorbeError(t *testing.T) {
 	aw3 := Wrap(aw2, "creating miner in storage market")
 	t.Logf("Verbose error: %+v", aw3)
 	t.Logf("Normal error: %v", aw3)
-	assert.Equal(t, uint8(35), RetCode(aw3))
+	assert.Equal(t, exitcode.ExitCode(35), RetCode(aw3))
 }
@@ -4,12 +4,13 @@ import (
 	"errors"
 	"fmt"

-	hamt "github.com/ipfs/go-hamt-ipld"
+	"github.com/filecoin-project/specs-actors/actors/runtime/exitcode"
+	cbor "github.com/ipfs/go-ipld-cbor"
 	"golang.org/x/xerrors"
 )

 // New creates a new non-fatal error
-func New(retCode uint8, message string) ActorError {
+func New(retCode exitcode.ExitCode, message string) ActorError {
 	if retCode == 0 {
 		return &actorError{
 			fatal:   true,
@@ -29,7 +30,7 @@ func New(retCode uint8, message string) ActorError {
 }

 // Newf creates a new non-fatal error
-func Newf(retCode uint8, format string, args ...interface{}) ActorError {
+func Newf(retCode exitcode.ExitCode, format string, args ...interface{}) ActorError {
 	if retCode == 0 {
 		return &actorError{
 			fatal:   true,
@@ -48,6 +49,27 @@ func Newf(retCode uint8, format string, args ...interface{}) ActorError {
 	}
 }

+// todo: bit hacky
+
+func NewfSkip(skip int, retCode exitcode.ExitCode, format string, args ...interface{}) ActorError {
+	if retCode == 0 {
+		return &actorError{
+			fatal:   true,
+			retCode: 0,
+
+			msg:   "tried creating an error and setting RetCode to 0",
+			frame: xerrors.Caller(skip),
+			err:   fmt.Errorf(format, args...),
+		}
+	}
+	return &actorError{
+		retCode: retCode,
+
+		msg:   fmt.Sprintf(format, args...),
+		frame: xerrors.Caller(skip),
+	}
+}
+
 func Fatal(message string, args ...interface{}) ActorError {
 	return &actorError{
 		fatal: true,
@@ -95,7 +117,7 @@ func Wrapf(err ActorError, format string, args ...interface{}) ActorError {
 }

 // Absorb takes and error and makes in not fatal ActorError
-func Absorb(err error, retCode uint8, msg string) ActorError {
+func Absorb(err error, retCode exitcode.ExitCode, msg string) ActorError {
 	if err == nil {
 		return nil
 	}
@@ -160,7 +182,7 @@ func HandleExternalError(err error, msg string) ActorError {
 		}
 	}

-	if xerrors.Is(err, &hamt.SerializationError{}) {
+	if xerrors.Is(err, &cbor.SerializationError{}) {
 		return &actorError{
 			fatal:   false,
 			retCode: 253,
@@ -1,5 +0,0 @@
-package actors
-
-import "github.com/filecoin-project/lotus/chain/actors/aerrors"
-
-type ActorError = aerrors.ActorError
@@ -1,46 +0,0 @@
-package actors
-
-import (
-	"reflect"
-	"sort"
-
-	"github.com/filecoin-project/lotus/chain/actors/aerrors"
-	"github.com/filecoin-project/lotus/chain/types"
-)
-
-type update struct {
-	start  uint64
-	method interface{}
-}
-
-func withUpdates(updates ...update) interface{} {
-	sort.Slice(updates, func(i, j int) bool { // so we iterate from newest below
-		return updates[i].start > updates[j].start
-	})
-
-	// <script type="application/javascript">
-
-	typ := reflect.TypeOf(updates[0].method)
-
-	out := reflect.MakeFunc(typ, func(args []reflect.Value) (results []reflect.Value) {
-		vmctx := args[1].Interface().(types.VMContext)
-
-		for _, u := range updates {
-			if vmctx.BlockHeight() >= u.start {
-				return reflect.ValueOf(u.method).Call(args)
-			}
-		}
-
-		return reflect.ValueOf(notFound(vmctx)).Call([]reflect.Value{})
-	})
-
-	return out.Interface()
-
-	// </script>
-}
-
-func notFound(vmctx types.VMContext) func() ([]byte, ActorError) {
-	return func() ([]byte, ActorError) {
-		return nil, aerrors.Fatal("no code for method %d at height %d", vmctx.Message().Method, vmctx.BlockHeight())
-	}
-}
@@ -1,364 +0,0 @@
-package actors_test
-
-import (
-	"bytes"
-	"context"
-	"github.com/filecoin-project/go-sectorbuilder"
-	"math/rand"
-	"testing"
-
-	"github.com/ipfs/go-cid"
-	dstore "github.com/ipfs/go-datastore"
-	hamt "github.com/ipfs/go-hamt-ipld"
-	blockstore "github.com/ipfs/go-ipfs-blockstore"
-	bstore "github.com/ipfs/go-ipfs-blockstore"
-	cbg "github.com/whyrusleeping/cbor-gen"
-	"golang.org/x/xerrors"
-
-	"github.com/filecoin-project/go-address"
-	"github.com/filecoin-project/lotus/chain/actors"
-	"github.com/filecoin-project/lotus/chain/gen"
-	"github.com/filecoin-project/lotus/chain/state"
-	"github.com/filecoin-project/lotus/chain/store"
-	"github.com/filecoin-project/lotus/chain/types"
-	"github.com/filecoin-project/lotus/chain/vm"
-	"github.com/filecoin-project/lotus/chain/wallet"
-)
-
-const testGasLimit = 10000
-
-type HarnessInit struct {
-	NAddrs uint64
-	Addrs  map[address.Address]types.BigInt
-	Miner  address.Address
-}
-
-type HarnessStage int
-
-const (
-	HarnessPreInit HarnessStage = iota
-	HarnessPostInit
-)
-
-type HarnessOpt func(testing.TB, *Harness) error
-
-type Harness struct {
-	HI          HarnessInit
-	Stage       HarnessStage
-	Nonces      map[address.Address]uint64
-	GasCharges  map[address.Address]types.BigInt
-	Rand        vm.Rand
-	BlockHeight uint64
-
-	lastBalanceCheck map[address.Address]types.BigInt
-
-	ctx context.Context
-	bs  blockstore.Blockstore
-	vm  *vm.VM
-	cs  *store.ChainStore
-	w   *wallet.Wallet
-}
-
-var HarnessMinerFunds = types.NewInt(1000000)
-
-func HarnessAddr(addr *address.Address, value uint64) HarnessOpt {
-	return func(t testing.TB, h *Harness) error {
-		if h.Stage != HarnessPreInit {
-			return nil
-		}
-		hi := &h.HI
-		if addr.Empty() {
-			k, err := h.w.GenerateKey(types.KTSecp256k1)
-			if err != nil {
-				t.Fatal(err)
-			}
-
-			*addr = k
-		}
-		hi.Addrs[*addr] = types.NewInt(value)
-		return nil
-	}
-}
-
-func HarnessMiner(addr *address.Address) HarnessOpt {
-	return func(_ testing.TB, h *Harness) error {
-		if h.Stage != HarnessPreInit {
-			return nil
-		}
-		hi := &h.HI
-		if addr.Empty() {
-			*addr = hi.Miner
-			return nil
-		}
-		delete(hi.Addrs, hi.Miner)
-		hi.Miner = *addr
-		return nil
-	}
-}
-
-func HarnessActor(actor *address.Address, creator *address.Address, code cid.Cid, params func() cbg.CBORMarshaler) HarnessOpt {
-	return func(t testing.TB, h *Harness) error {
-		if h.Stage != HarnessPostInit {
-			return nil
-		}
-		if !actor.Empty() {
-			return xerrors.New("actor address should be empty")
-		}
-
-		ret, _ := h.CreateActor(t, *creator, code, params())
-		if ret.ExitCode != 0 {
-			return xerrors.Errorf("creating actor: %w", ret.ActorErr)
-		}
-		var err error
-		*actor, err = address.NewFromBytes(ret.Return)
-		return err
-	}
-
-}
-
-func HarnessAddMiner(addr *address.Address, creator *address.Address) HarnessOpt {
-	return func(t testing.TB, h *Harness) error {
-		if h.Stage != HarnessPostInit {
-			return nil
-		}
-		if !addr.Empty() {
-			return xerrors.New("actor address should be empty")
-		}
-		ret, _ := h.InvokeWithValue(t, *creator, actors.StoragePowerAddress,
-			actors.SPAMethods.CreateStorageMiner, types.NewInt(3000), &actors.StorageMinerConstructorParams{
-				Owner:      *creator,
-				Worker:     *creator,
-				SectorSize: 1024,
-				PeerID:     "fakepeerid",
-			})
-
-		if ret.ExitCode != 0 {
-			return xerrors.Errorf("creating actor: %w", ret.ActorErr)
-		}
-		var err error
-		*addr, err = address.NewFromBytes(ret.Return)
-		return err
-
-	}
-}
-
-func HarnessCtx(ctx context.Context) HarnessOpt {
-	return func(t testing.TB, h *Harness) error {
-		h.ctx = ctx
-		return nil
-	}
-}
-
-func NewHarness(t *testing.T, options ...HarnessOpt) *Harness {
-	w, err := wallet.NewWallet(wallet.NewMemKeyStore())
-	if err != nil {
-		t.Fatal(err)
-	}
-	h := &Harness{
-		Stage:  HarnessPreInit,
-		Nonces: make(map[address.Address]uint64),
-		Rand:   &fakeRand{},
-		HI: HarnessInit{
-			NAddrs: 1,
-			Miner:  blsaddr(0),
-			Addrs: map[address.Address]types.BigInt{
-				blsaddr(0): HarnessMinerFunds,
-			},
-		},
-		GasCharges: make(map[address.Address]types.BigInt),
-
-		lastBalanceCheck: make(map[address.Address]types.BigInt),
-		w:                w,
-		ctx:              context.Background(),
-		bs:               bstore.NewBlockstore(dstore.NewMapDatastore()),
-		BlockHeight:      0,
-	}
-	for _, opt := range options {
-		err := opt(t, h)
-		if err != nil {
-			t.Fatalf("Applying options: %v", err)
-		}
-	}
-
-	st, err := gen.MakeInitialStateTree(h.bs, h.HI.Addrs)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	stateroot, err := st.Flush()
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	stateroot, err = gen.SetupStorageMarketActor(h.bs, stateroot, nil)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	h.cs = store.NewChainStore(h.bs, nil, vm.Syscalls(sectorbuilder.ProofVerifier))
-	h.vm, err = vm.NewVM(stateroot, 1, h.Rand, h.HI.Miner, h.cs.Blockstore(), h.cs.VMSys())
-	if err != nil {
-		t.Fatal(err)
-	}
-	h.Stage = HarnessPostInit
-	for _, opt := range options {
-		err := opt(t, h)
-		if err != nil {
-			t.Fatalf("Applying options: %+v", err)
-		}
-	}
-
-	return h
-}
-
-func (h *Harness) Apply(t testing.TB, msg types.Message) (*vm.ApplyRet, *state.StateTree) {
-	t.Helper()
-	if msg.Nonce == 0 {
-		msg.Nonce, _ = h.Nonces[msg.From]
-		h.Nonces[msg.From] = msg.Nonce + 1
-	}
-
-	ret, err := h.vm.ApplyMessage(h.ctx, &msg)
-	if err != nil {
-		t.Fatalf("Applying message: %+v", err)
-	}
-
-	if ret != nil {
-		if prev, ok := h.GasCharges[msg.From]; ok {
-			h.GasCharges[msg.From] = types.BigAdd(prev, ret.GasUsed)
-		} else {
-			h.GasCharges[msg.From] = ret.GasUsed
-		}
-	}
-
-	stateroot, err := h.vm.Flush(context.TODO())
-	if err != nil {
-		t.Fatalf("Flushing VM: %+v", err)
-	}
-	cst := hamt.CSTFromBstore(h.bs)
-	state, err := state.LoadStateTree(cst, stateroot)
-	if err != nil {
-		t.Fatalf("Loading state tree: %+v", err)
-	}
-	return ret, state
-}
-
-func (h *Harness) CreateActor(t testing.TB, from address.Address,
-	code cid.Cid, params cbg.CBORMarshaler) (*vm.ApplyRet, *state.StateTree) {
-	t.Helper()
-
-	return h.Apply(t, types.Message{
-		To:     actors.InitAddress,
-		From:   from,
-		Method: actors.IAMethods.Exec,
-		Params: DumpObject(t,
-			&actors.ExecParams{
-				Code:   code,
-				Params: DumpObject(t, params),
-			}),
-		GasPrice: types.NewInt(1),
-		GasLimit: types.NewInt(testGasLimit),
-		Value:    types.NewInt(0),
-	})
-}
-
-func (h *Harness) SendFunds(t testing.TB, from address.Address, to address.Address,
-	value types.BigInt) (*vm.ApplyRet, *state.StateTree) {
-	t.Helper()
-	return h.Apply(t, types.Message{
-		To:       to,
-		From:     from,
-		Method:   0,
-		Value:    value,
-		GasPrice: types.NewInt(1),
-		GasLimit: types.NewInt(testGasLimit),
-	})
-}
-
-func (h *Harness) Invoke(t testing.TB, from address.Address, to address.Address,
-	method uint64, params cbg.CBORMarshaler) (*vm.ApplyRet, *state.StateTree) {
-	t.Helper()
-	return h.InvokeWithValue(t, from, to, method, types.NewInt(0), params)
-}
-
-func (h *Harness) InvokeWithValue(t testing.TB, from address.Address, to address.Address,
-	method uint64, value types.BigInt, params cbg.CBORMarshaler) (*vm.ApplyRet, *state.StateTree) {
-	t.Helper()
-	h.vm.SetBlockHeight(h.BlockHeight)
-	return h.Apply(t, types.Message{
-		To:       to,
-		From:     from,
-		Method:   method,
-		Value:    value,
-		Params:   DumpObject(t, params),
-		GasPrice: types.NewInt(1),
-		GasLimit: types.NewInt(testGasLimit),
-	})
-}
-
-func (h *Harness) AssertBalance(t testing.TB, addr address.Address, amt uint64) {
-	t.Helper()
-
-	b, err := h.vm.ActorBalance(addr)
-	if err != nil {
-		t.Fatalf("%+v", err)
-	}
-
-	if types.BigCmp(types.NewInt(amt), b) != 0 {
-		t.Errorf("expected %s to have balanced of %d. Instead has %s", addr, amt, b)
-	}
-}
-
-func (h *Harness) AssertBalanceChange(t testing.TB, addr address.Address, amt int64) {
-	t.Helper()
-	lastBalance, ok := h.lastBalanceCheck[addr]
-	if !ok {
-		lastBalance, ok = h.HI.Addrs[addr]
-		if !ok {
-			lastBalance = types.NewInt(0)
-		}
-	}
-
-	var expected types.BigInt
-
-	if amt >= 0 {
-		expected = types.BigAdd(lastBalance, types.NewInt(uint64(amt)))
-	} else {
-		expected = types.BigSub(lastBalance, types.NewInt(uint64(-amt)))
-	}
-
-	h.lastBalanceCheck[addr] = expected
-
-	if gasUsed, ok := h.GasCharges[addr]; ok {
-		expected = types.BigSub(expected, gasUsed)
-	}
-
-	b, err := h.vm.ActorBalance(addr)
-	if err != nil {
-		t.Fatalf("%+v", err)
-	}
-
-	if types.BigCmp(expected, b) != 0 {
-		t.Errorf("expected %s to have balanced of %d. Instead has %s", addr, amt, b)
-	}
-}
-
-func DumpObject(t testing.TB, obj cbg.CBORMarshaler) []byte {
-	if obj == nil {
-		return nil
-	}
-	t.Helper()
-	b := new(bytes.Buffer)
-	if err := obj.MarshalCBOR(b); err != nil {
-		t.Fatalf("dumping params: %+v", err)
-	}
-	return b.Bytes()
-}
-
-type fakeRand struct{}
-
-func (fr *fakeRand) GetRandomness(ctx context.Context, h int64) ([]byte, error) {
-	out := make([]byte, 32)
-	rand.New(rand.NewSource(h)).Read(out)
-	return out, nil
-}
@@ -7,10 +7,6 @@ import (
 	cbg "github.com/whyrusleeping/cbor-gen"
 )

-var (
-	EmptyStructCBOR = []byte{0xa0}
-)
-
 func SerializeParams(i cbg.CBORMarshaler) ([]byte, aerrors.ActorError) {
 	buf := new(bytes.Buffer)
 	if err := i.MarshalCBOR(buf); err != nil {
@@ -21,10 +21,15 @@ func NewBadBlockCache() *BadBlockCache {
 	}
 }

-func (bts *BadBlockCache) Add(c cid.Cid) {
-	bts.badBlocks.Add(c, nil)
+func (bts *BadBlockCache) Add(c cid.Cid, reason string) {
+	bts.badBlocks.Add(c, reason)
 }

-func (bts *BadBlockCache) Has(c cid.Cid) bool {
-	return bts.badBlocks.Contains(c)
+func (bts *BadBlockCache) Has(c cid.Cid) (string, bool) {
+	rval, ok := bts.badBlocks.Get(c)
+	if !ok {
+		return "", false
+	}
+
+	return rval.(string), true
 }
@@ -0,0 +1,89 @@
+package beacon
+
+import (
+	"context"
+	"time"
+
+	"github.com/filecoin-project/lotus/chain/types"
+	"github.com/filecoin-project/specs-actors/actors/abi"
+	logging "github.com/ipfs/go-log"
+	"golang.org/x/xerrors"
+)
+
+var log = logging.Logger("beacon")
+
+type Response struct {
+	Entry types.BeaconEntry
+	Err   error
+}
+
+type RandomBeacon interface {
+	Entry(context.Context, uint64) <-chan Response
+	VerifyEntry(types.BeaconEntry, types.BeaconEntry) error
+	MaxBeaconRoundForEpoch(abi.ChainEpoch, types.BeaconEntry) uint64
+}
+
+func ValidateBlockValues(b RandomBeacon, h *types.BlockHeader, prevEntry types.BeaconEntry) error {
+	maxRound := b.MaxBeaconRoundForEpoch(h.Height, prevEntry)
+	if maxRound == prevEntry.Round {
+		if len(h.BeaconEntries) != 0 {
+			return xerrors.Errorf("expected not to have any beacon entries in this block, got %d", len(h.BeaconEntries))
+		}
+		return nil
+	}
+
+	last := h.BeaconEntries[len(h.BeaconEntries)-1]
+	if last.Round != maxRound {
+		return xerrors.Errorf("expected final beacon entry in block to be at round %d, got %d", maxRound, last.Round)
+	}
+
+	for i, e := range h.BeaconEntries {
+		if err := b.VerifyEntry(e, prevEntry); err != nil {
+			return xerrors.Errorf("beacon entry %d (%d - %x (%d)) was invalid: %w", i, e.Round, e.Data, len(e.Data), err)
+		}
+		prevEntry = e
+	}
+
+	return nil
+}
+
+func BeaconEntriesForBlock(ctx context.Context, beacon RandomBeacon, round abi.ChainEpoch, prev types.BeaconEntry) ([]types.BeaconEntry, error) {
+	start := time.Now()
+
+	maxRound := beacon.MaxBeaconRoundForEpoch(round, prev)
+	if maxRound == prev.Round {
+		return nil, nil
+	}
+
+	// TODO: this is a sketchy way to handle the genesis block not having a beacon entry
+	if prev.Round == 0 {
+		prev.Round = maxRound - 1
+	}
+
+	cur := maxRound
+	var out []types.BeaconEntry
+	for cur > prev.Round {
+		rch := beacon.Entry(ctx, cur)
+		select {
+		case resp := <-rch:
+			if resp.Err != nil {
+				return nil, xerrors.Errorf("beacon entry request returned error: %w", resp.Err)
+			}
+
+			out = append(out, resp.Entry)
+			cur = resp.Entry.Round - 1
+		case <-ctx.Done():
+			return nil, xerrors.Errorf("context timed out waiting on beacon entry to come back for round %d: %w", round, ctx.Err())
+		}
+	}
+
+	log.Debugw("fetching beacon entries", "took", time.Since(start), "numEntries", len(out))
+	reverse(out)
+	return out, nil
+}
+
+func reverse(arr []types.BeaconEntry) {
+	for i := 0; i < len(arr)/2; i++ {
+		arr[i], arr[len(arr)-(1+i)] = arr[len(arr)-(1+i)], arr[i]
+	}
+}
@@ -0,0 +1,192 @@
+package drand
+
+import (
+	"bytes"
+	"context"
+	"sync"
+	"time"
+
+	dchain "github.com/drand/drand/chain"
+	dclient "github.com/drand/drand/client"
+	gclient "github.com/drand/drand/cmd/relay-gossip/client"
+	dlog "github.com/drand/drand/log"
+	"github.com/drand/kyber"
+	kzap "github.com/go-kit/kit/log/zap"
+	"go.uber.org/zap/zapcore"
+	"golang.org/x/xerrors"
+
+	logging "github.com/ipfs/go-log"
+	pubsub "github.com/libp2p/go-libp2p-pubsub"
+
+	"github.com/filecoin-project/lotus/build"
+	"github.com/filecoin-project/lotus/chain/beacon"
+	"github.com/filecoin-project/lotus/chain/types"
+	"github.com/filecoin-project/specs-actors/actors/abi"
+)
+
+var log = logging.Logger("drand")
+
+var drandServers = []string{
+	"https://pl-eu.testnet.drand.sh",
+	"https://pl-us.testnet.drand.sh",
+	"https://pl-sin.testnet.drand.sh",
+}
+
+var drandChain *dchain.Info
+
+func init() {
+
+	var err error
+	drandChain, err = dchain.InfoFromJSON(bytes.NewReader([]byte(build.DrandChain)))
+	if err != nil {
+		panic("could not unmarshal chain info: " + err.Error())
+	}
+}
+
+type drandPeer struct {
+	addr string
+	tls  bool
+}
+
+func (dp *drandPeer) Address() string {
+	return dp.addr
+}
+
+func (dp *drandPeer) IsTLS() bool {
+	return dp.tls
+}
+
+type DrandBeacon struct {
+	client dclient.Client
+
+	pubkey kyber.Point
+
+	// seconds
+	interval time.Duration
+
+	drandGenTime uint64
+	filGenTime   uint64
+	filRoundTime uint64
+
+	cacheLk    sync.Mutex
+	localCache map[uint64]types.BeaconEntry
+}
+
+func NewDrandBeacon(genesisTs, interval uint64, ps *pubsub.PubSub) (*DrandBeacon, error) {
+	if genesisTs == 0 {
+		panic("what are you doing this cant be zero")
+	}
+
+	dlogger := dlog.NewKitLoggerFrom(kzap.NewZapSugarLogger(
+		log.SugaredLogger.Desugar(), zapcore.InfoLevel))
+	opts := []dclient.Option{
+		dclient.WithChainInfo(drandChain),
+		dclient.WithHTTPEndpoints(drandServers),
+		dclient.WithCacheSize(1024),
+		dclient.WithLogger(dlogger),
+	}
+
+	if ps != nil {
+		opts = append(opts, gclient.WithPubsub(ps))
+	} else {
+		log.Info("drand beacon without pubsub")
+	}
+
+	client, err := dclient.New(opts...)
+	if err != nil {
+		return nil, xerrors.Errorf("creating drand client")
+	}
+
+	go func() {
+		// Explicitly Watch until that is fixed in drand
+		ch := client.Watch(context.Background())
+		for range ch {
+		}
+		log.Error("dranch Watch bork")
+	}()
+
+	db := &DrandBeacon{
+		client:     client,
+		localCache: make(map[uint64]types.BeaconEntry),
+	}
+
+	db.pubkey = drandChain.PublicKey
+	db.interval = drandChain.Period
+	db.drandGenTime = uint64(drandChain.GenesisTime)
+	db.filRoundTime = interval
+	db.filGenTime = genesisTs
+
+	return db, nil
+}
+
+func (db *DrandBeacon) Entry(ctx context.Context, round uint64) <-chan beacon.Response {
+	out := make(chan beacon.Response, 1)
+	if round != 0 {
+		be := db.getCachedValue(round)
+		if be != nil {
+			out <- beacon.Response{Entry: *be}
+			close(out)
+			return out
+		}
+	}
+
+	go func() {
+		start := time.Now()
+		log.Infow("start fetching randomness", "round", round)
+		resp, err := db.client.Get(ctx, round)
+
+		var br beacon.Response
+		if err != nil {
+			br.Err = xerrors.Errorf("drand failed Get request: %w", err)
+		} else {
+			br.Entry.Round = resp.Round()
+			br.Entry.Data = resp.Signature()
+		}
+		log.Infow("done fetching randomness", "round", round, "took", time.Since(start))
+		out <- br
+		close(out)
+	}()
+
+	return out
+}
+func (db *DrandBeacon) cacheValue(e types.BeaconEntry) {
+	db.cacheLk.Lock()
+	defer db.cacheLk.Unlock()
+	db.localCache[e.Round] = e
+}
+
+func (db *DrandBeacon) getCachedValue(round uint64) *types.BeaconEntry {
+	db.cacheLk.Lock()
+	defer db.cacheLk.Unlock()
+	v, ok := db.localCache[round]
+	if !ok {
+		return nil
+	}
+	return &v
+}
+
+func (db *DrandBeacon) VerifyEntry(curr types.BeaconEntry, prev types.BeaconEntry) error {
+	if prev.Round == 0 {
+		// TODO handle genesis better
+		return nil
+	}
+	b := &dchain.Beacon{
+		PreviousSig: prev.Data,
+		Round:       curr.Round,
+		Signature:   curr.Data,
+	}
+	err := dchain.VerifyBeacon(db.pubkey, b)
+	if err == nil {
+		db.cacheValue(curr)
+	}
+	return err
+}
+
+func (db *DrandBeacon) MaxBeaconRoundForEpoch(filEpoch abi.ChainEpoch, prevEntry types.BeaconEntry) uint64 {
+	// TODO: sometimes the genesis time for filecoin is zero and this goes negative
+	latestTs := ((uint64(filEpoch) * db.filRoundTime) + db.filGenTime) - db.filRoundTime
+	dround := (latestTs - db.drandGenTime) / uint64(db.interval.Seconds())
+	return dround
+}
+
+var _ beacon.RandomBeacon = (*DrandBeacon)(nil)
@@ -0,0 +1,22 @@
+package drand
+
+import (
+	"os"
+	"testing"
+
+	dchain "github.com/drand/drand/chain"
+	dclient "github.com/drand/drand/client"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestPrintGroupInfo(t *testing.T) {
+	c, err := dclient.NewHTTPClient(drandServers[0], nil, nil)
+	assert.NoError(t, err)
+	cg := c.(interface {
+		FetchChainInfo(groupHash []byte) (*dchain.Info, error)
+	})
+	chain, err := cg.FetchChainInfo(nil)
+	assert.NoError(t, err)
+	err = chain.ToJSON(os.Stdout)
+	assert.NoError(t, err)
+}
@@ -0,0 +1,64 @@
+package beacon
+
+import (
+	"bytes"
+	"context"
+	"encoding/binary"
+	"time"
+
+	"github.com/filecoin-project/lotus/chain/types"
+	"github.com/filecoin-project/specs-actors/actors/abi"
+	"github.com/minio/blake2b-simd"
+	"golang.org/x/xerrors"
+)
+
+// Mock beacon assumes that filecoin rounds are 1:1 mapped with the beacon rounds
+type mockBeacon struct {
+	interval time.Duration
+}
+
+func NewMockBeacon(interval time.Duration) RandomBeacon {
+	mb := &mockBeacon{interval: interval}
+
+	return mb
+}
+
+func (mb *mockBeacon) RoundTime() time.Duration {
+	return mb.interval
+}
+
+func (mb *mockBeacon) entryForIndex(index uint64) types.BeaconEntry {
+	buf := make([]byte, 8)
+	binary.BigEndian.PutUint64(buf, index)
+	rval := blake2b.Sum256(buf)
+	return types.BeaconEntry{
+		Round: index,
+		Data:  rval[:],
+	}
+}
+
+func (mb *mockBeacon) Entry(ctx context.Context, index uint64) <-chan Response {
+	e := mb.entryForIndex(index)
+	out := make(chan Response, 1)
+	out <- Response{Entry: e}
+	return out
+}
+
+func (mb *mockBeacon) VerifyEntry(from types.BeaconEntry, to types.BeaconEntry) error {
+	// TODO: cache this, especially for bls
+	oe := mb.entryForIndex(from.Round)
+	if !bytes.Equal(from.Data, oe.Data) {
+		return xerrors.Errorf("mock beacon entry was invalid!")
+	}
+	return nil
+}
+
+func (mb *mockBeacon) IsEntryForEpoch(e types.BeaconEntry, epoch abi.ChainEpoch, nulls int) (bool, error) {
+	return int64(e.Round) <= int64(epoch) && int64(epoch)-int64(nulls) >= int64(e.Round), nil
+}
+
+func (mb *mockBeacon) MaxBeaconRoundForEpoch(epoch abi.ChainEpoch, prevEntry types.BeaconEntry) uint64 {
+	return uint64(epoch)
+}
+
+var _ RandomBeacon = (*mockBeacon)(nil)
@@ -3,17 +3,17 @@ package blocksync
 import (
 	"bufio"
 	"context"
+	"time"

 	"github.com/libp2p/go-libp2p-core/protocol"
 	"go.opencensus.io/trace"
 	"golang.org/x/xerrors"

-	"github.com/filecoin-project/go-cbor-util"
+	cborutil "github.com/filecoin-project/go-cbor-util"
 	"github.com/filecoin-project/lotus/chain/store"
 	"github.com/filecoin-project/lotus/chain/types"

 	"github.com/ipfs/go-cid"
-	cbor "github.com/ipfs/go-ipld-cbor"
 	logging "github.com/ipfs/go-log/v2"
 	inet "github.com/libp2p/go-libp2p-core/network"
 	"github.com/libp2p/go-libp2p-core/peer"
@@ -25,11 +25,7 @@ type NewStreamFunc func(context.Context, peer.ID, ...protocol.ID) (inet.Stream,

 const BlockSyncProtocolID = "/fil/sync/blk/0.0.1"

-func init() {
-	cbor.RegisterCborType(BlockSyncRequest{})
-	cbor.RegisterCborType(BlockSyncResponse{})
-	cbor.RegisterCborType(BSTipSet{})
-}
+const BlockSyncMaxRequestLength = 800

 type BlockSyncService struct {
 	cs *store.ChainStore
@@ -55,8 +51,17 @@ func ParseBSOptions(optfield uint64) *BSOptions {
 }

 const (
-	BSOptBlocks   = 1 << 0
-	BSOptMessages = 1 << 1
+	BSOptBlocks = 1 << iota
+	BSOptMessages
+)
+
+const (
+	StatusOK            = uint64(0)
+	StatusPartial       = uint64(101)
+	StatusNotFound      = uint64(201)
+	StatusGoAway        = uint64(202)
+	StatusInternalError = uint64(203)
+	StatusBadRequest    = uint64(204)
 )

 type BlockSyncResponse struct {
@@ -86,35 +91,37 @@ func (bss *BlockSyncService) HandleStream(s inet.Stream) {
 	ctx, span := trace.StartSpan(context.Background(), "blocksync.HandleStream")
 	defer span.End()

-	defer s.Close()
+	defer s.Close() //nolint:errcheck

 	var req BlockSyncRequest
 	if err := cborutil.ReadCborRPC(bufio.NewReader(s), &req); err != nil {
 		log.Warnf("failed to read block sync request: %s", err)
 		return
 	}
-	log.Infof("block sync request for: %s %d", req.Start, req.RequestLength)
+	log.Infow("block sync request", "start", req.Start, "len", req.RequestLength)

-	resp, err := bss.processRequest(ctx, &req)
+	resp, err := bss.processRequest(ctx, s.Conn().RemotePeer(), &req)
 	if err != nil {
 		log.Warn("failed to process block sync request: ", err)
 		return
 	}

+	writeDeadline := 60 * time.Second
+	_ = s.SetDeadline(time.Now().Add(writeDeadline))
 	if err := cborutil.WriteCborRPC(s, resp); err != nil {
-		log.Warn("failed to write back response for handle stream: ", err)
+		log.Warnw("failed to write back response for handle stream", "err", err, "peer", s.Conn().RemotePeer())
 		return
 	}
 }

-func (bss *BlockSyncService) processRequest(ctx context.Context, req *BlockSyncRequest) (*BlockSyncResponse, error) {
+func (bss *BlockSyncService) processRequest(ctx context.Context, p peer.ID, req *BlockSyncRequest) (*BlockSyncResponse, error) {
 	_, span := trace.StartSpan(ctx, "blocksync.ProcessRequest")
 	defer span.End()

 	opts := ParseBSOptions(req.Options)
 	if len(req.Start) == 0 {
 		return &BlockSyncResponse{
-			Status:  204,
+			Status:  StatusBadRequest,
 			Message: "no cids given in blocksync request",
 		}, nil
 	}
@@ -122,35 +129,47 @@ func (bss *BlockSyncService) processRequest(ctx context.Context, req *BlockSyncR
 	span.AddAttributes(
 		trace.BoolAttribute("blocks", opts.IncludeBlocks),
 		trace.BoolAttribute("messages", opts.IncludeMessages),
+		trace.Int64Attribute("reqlen", int64(req.RequestLength)),
 	)

-	chain, err := bss.collectChainSegment(types.NewTipSetKey(req.Start...), req.RequestLength, opts)
+	reqlen := req.RequestLength
+	if reqlen > BlockSyncMaxRequestLength {
+		log.Warnw("limiting blocksync request length", "orig", req.RequestLength, "peer", p)
+		reqlen = BlockSyncMaxRequestLength
+	}
+
+	chain, err := collectChainSegment(bss.cs, types.NewTipSetKey(req.Start...), reqlen, opts)
 	if err != nil {
 		log.Warn("encountered error while responding to block sync request: ", err)
 		return &BlockSyncResponse{
-			Status:  203,
+			Status:  StatusInternalError,
 			Message: err.Error(),
 		}, nil
 	}

+	status := StatusOK
+	if reqlen < req.RequestLength {
+		status = StatusPartial
+	}
+
 	return &BlockSyncResponse{
 		Chain:  chain,
-		Status: 0,
+		Status: status,
 	}, nil
 }

-func (bss *BlockSyncService) collectChainSegment(start types.TipSetKey, length uint64, opts *BSOptions) ([]*BSTipSet, error) {
+func collectChainSegment(cs *store.ChainStore, start types.TipSetKey, length uint64, opts *BSOptions) ([]*BSTipSet, error) {
 	var bstips []*BSTipSet
 	cur := start
 	for {
 		var bst BSTipSet
-		ts, err := bss.cs.LoadTipSet(cur)
+		ts, err := cs.LoadTipSet(cur)
 		if err != nil {
 			return nil, xerrors.Errorf("failed loading tipset %s: %w", cur, err)
 		}

 		if opts.IncludeMessages {
-			bmsgs, bmincl, smsgs, smincl, err := bss.gatherMessages(ts)
+			bmsgs, bmincl, smsgs, smincl, err := gatherMessages(cs, ts)
 			if err != nil {
 				return nil, xerrors.Errorf("gather messages failed: %w", err)
 			}
@@ -175,7 +194,7 @@ func (bss *BlockSyncService) collectChainSegment(start types.TipSetKey, length u
 	}
 }

-func (bss *BlockSyncService) gatherMessages(ts *types.TipSet) ([]*types.Message, [][]uint64, []*types.SignedMessage, [][]uint64, error) {
+func gatherMessages(cs *store.ChainStore, ts *types.TipSet) ([]*types.Message, [][]uint64, []*types.SignedMessage, [][]uint64, error) {
 	blsmsgmap := make(map[cid.Cid]uint64)
 	secpkmsgmap := make(map[cid.Cid]uint64)
 	var secpkmsgs []*types.SignedMessage
@@ -183,7 +202,7 @@ func (bss *BlockSyncService) gatherMessages(ts *types.TipSet) ([]*types.Message,
 	var secpkincl, blsincl [][]uint64

 	for _, b := range ts.Blocks() {
-		bmsgs, smsgs, err := bss.cs.MessagesForBlock(b)
+		bmsgs, smsgs, err := cs.MessagesForBlock(b)
 		if err != nil {
 			return nil, nil, nil, nil, err
 		}
@@ -12,47 +12,52 @@ import (
 	blocks "github.com/ipfs/go-block-format"
 	bserv "github.com/ipfs/go-blockservice"
 	"github.com/ipfs/go-cid"
+	graphsync "github.com/ipfs/go-graphsync"
+	gsnet "github.com/ipfs/go-graphsync/network"
 	host "github.com/libp2p/go-libp2p-core/host"
 	inet "github.com/libp2p/go-libp2p-core/network"
 	"github.com/libp2p/go-libp2p-core/peer"
 	"go.opencensus.io/trace"
 	"golang.org/x/xerrors"

-	"github.com/filecoin-project/go-cbor-util"
+	cborutil "github.com/filecoin-project/go-cbor-util"
 	"github.com/filecoin-project/lotus/chain/store"
 	"github.com/filecoin-project/lotus/chain/types"
+	incrt "github.com/filecoin-project/lotus/lib/increadtimeout"
+	"github.com/filecoin-project/lotus/lib/peermgr"
 	"github.com/filecoin-project/lotus/node/modules/dtypes"
-	"github.com/filecoin-project/lotus/peermgr"
 )

 type BlockSync struct {
 	bserv bserv.BlockService
+	gsync graphsync.GraphExchange
 	host  host.Host

 	syncPeers *bsPeerTracker
 	peerMgr   *peermgr.PeerMgr
 }

-func NewBlockSyncClient(bserv dtypes.ChainBlockService, h host.Host, pmgr peermgr.MaybePeerMgr) *BlockSync {
+func NewBlockSyncClient(bserv dtypes.ChainBlockService, h host.Host, pmgr peermgr.MaybePeerMgr, gs dtypes.Graphsync) *BlockSync {
 	return &BlockSync{
 		bserv:     bserv,
 		host:      h,
 		syncPeers: newPeerTracker(pmgr.Mgr),
 		peerMgr:   pmgr.Mgr,
+		gsync:     gs,
 	}
 }

 func (bs *BlockSync) processStatus(req *BlockSyncRequest, res *BlockSyncResponse) error {
 	switch res.Status {
-	case 101: // Partial Response
+	case StatusPartial: // Partial Response
 		return xerrors.Errorf("not handling partial blocksync responses yet")
-	case 201: // req.Start not found
+	case StatusNotFound: // req.Start not found
 		return xerrors.Errorf("not found")
-	case 202: // Go Away
+	case StatusGoAway: // Go Away
 		return xerrors.Errorf("not handling 'go away' blocksync responses yet")
-	case 203: // Internal Error
+	case StatusInternalError: // Internal Error
 		return xerrors.Errorf("block sync peer errored: %s", res.Message)
-	case 204:
+	case StatusBadRequest:
 		return xerrors.Errorf("block sync request invalid: %s", res.Message)
 	default:
 		return xerrors.Errorf("unrecognized response code: %d", res.Status)
@@ -100,7 +105,7 @@ func (bs *BlockSync) GetBlocks(ctx context.Context, tsk types.TipSetKey, count i
 			continue
 		}

-		if res.Status == 0 {
+		if res.Status == StatusOK || res.Status == StatusPartial {
 			resp, err := bs.processBlocksResponse(req, res)
 			if err != nil {
 				return nil, xerrors.Errorf("success response from peer failed to process: %w", err)
@@ -109,6 +114,7 @@ func (bs *BlockSync) GetBlocks(ctx context.Context, tsk types.TipSetKey, count i
 			bs.host.ConnManager().TagPeer(p, "bsync", 25)
 			return resp, nil
 		}
+
 		oerr = bs.processStatus(req, res)
 		if oerr != nil {
 			log.Warnf("BlockSync peer %s response was an error: %s", p.String(), oerr)
@@ -140,7 +146,7 @@ func (bs *BlockSync) GetFullTipSet(ctx context.Context, p peer.ID, tsk types.Tip

 		return bstsToFullTipSet(bts)
 	case 101: // Partial Response
-		return nil, xerrors.Errorf("partial responses are not handled")
+		return nil, xerrors.Errorf("partial responses are not handled for single tipset fetching")
 	case 201: // req.Start not found
 		return nil, fmt.Errorf("not found")
 	case 202: // Go Away
@@ -180,7 +186,7 @@ func (bs *BlockSync) GetChainMessages(ctx context.Context, h *types.TipSet, coun
 	req := &BlockSyncRequest{
 		Start:         h.Cids(),
 		RequestLength: count,
-		Options:       BSOptMessages | BSOptBlocks,
+		Options:       BSOptMessages,
 	}

 	var err error
@@ -194,11 +200,16 @@ func (bs *BlockSync) GetChainMessages(ctx context.Context, h *types.TipSet, coun
 			continue
 		}

-		if res.Status == 0 {
+		if res.Status == StatusOK {
 			bs.syncPeers.logGlobalSuccess(time.Since(start))
 			return res.Chain, nil
 		}

+		if res.Status == StatusPartial {
+			// TODO: track partial response sizes to ensure we don't overrequest too often
+			return res.Chain, nil
+		}
+
 		err = bs.processStatus(req, res)
 		if err != nil {
 			log.Warnf("BlockSync peer %s response was an error: %s", p.String(), err)
@@ -228,29 +239,62 @@ func (bs *BlockSync) sendRequestToPeer(ctx context.Context, p peer.ID, req *Bloc
 		}
 	}()

-	start := time.Now()
-
 	if span.IsRecordingEvents() {
 		span.AddAttributes(
 			trace.StringAttribute("peer", p.Pretty()),
 		)
 	}

+	gsproto := string(gsnet.ProtocolGraphsync)
+	supp, err := bs.host.Peerstore().SupportsProtocols(p, BlockSyncProtocolID, gsproto)
+	if err != nil {
+		return nil, xerrors.Errorf("failed to get protocols for peer: %w", err)
+	}
+
+	if len(supp) == 0 {
+		return nil, xerrors.Errorf("peer %s supports no known sync protocols", p)
+	}
+
+	switch supp[0] {
+	case BlockSyncProtocolID:
+		res, err := bs.fetchBlocksBlockSync(ctx, p, req)
+		if err != nil {
+			return nil, xerrors.Errorf("blocksync req failed: %w", err)
+		}
+		return res, nil
+	case gsproto:
+		res, err := bs.fetchBlocksGraphSync(ctx, p, req)
+		if err != nil {
+			return nil, xerrors.Errorf("graphsync req failed: %w", err)
+		}
+		return res, nil
+	default:
+		return nil, xerrors.Errorf("peerstore somehow returned unexpected protocols: %v", supp)
+	}
+
+}
+func (bs *BlockSync) fetchBlocksBlockSync(ctx context.Context, p peer.ID, req *BlockSyncRequest) (*BlockSyncResponse, error) {
+	ctx, span := trace.StartSpan(ctx, "blockSyncFetch")
+	defer span.End()
+
+	start := time.Now()
 	s, err := bs.host.NewStream(inet.WithNoDial(ctx, "should already have connection"), p, BlockSyncProtocolID)
 	if err != nil {
 		bs.RemovePeer(p)
 		return nil, xerrors.Errorf("failed to open stream to peer: %w", err)
 	}
-	s.SetDeadline(time.Now().Add(10 * time.Second))
-	defer s.SetDeadline(time.Time{})
+	_ = s.SetWriteDeadline(time.Now().Add(5 * time.Second))

 	if err := cborutil.WriteCborRPC(s, req); err != nil {
+		_ = s.SetWriteDeadline(time.Time{})
 		bs.syncPeers.logFailure(p, time.Since(start))
 		return nil, err
 	}
+	_ = s.SetWriteDeadline(time.Time{})

 	var res BlockSyncResponse
-	if err := cborutil.ReadCborRPC(bufio.NewReader(s), &res); err != nil {
+	r := incrt.New(s, 50<<10, 5*time.Second)
+	if err := cborutil.ReadCborRPC(bufio.NewReader(r), &res); err != nil {
 		bs.syncPeers.logFailure(p, time.Since(start))
 		return nil, err
 	}
@@ -264,7 +308,6 @@ func (bs *BlockSync) sendRequestToPeer(ctx context.Context, p peer.ID, req *Bloc
 	}

 	bs.syncPeers.logSuccess(p, time.Since(start))
-
 	return &res, nil
 }

@@ -518,26 +561,30 @@ func (bpt *bsPeerTracker) logSuccess(p peer.ID, dur time.Duration) {
 	bpt.lk.Lock()
 	defer bpt.lk.Unlock()

-	if pi, ok := bpt.peers[p]; !ok {
+	var pi *peerStats
+	var ok bool
+	if pi, ok = bpt.peers[p]; !ok {
 		log.Warnw("log success called on peer not in tracker", "peerid", p.String())
 		return
-	} else {
-		pi.successes++
-
-		logTime(pi, dur)
 	}
+
+	pi.successes++
+	logTime(pi, dur)
 }

 func (bpt *bsPeerTracker) logFailure(p peer.ID, dur time.Duration) {
 	bpt.lk.Lock()
 	defer bpt.lk.Unlock()
-	if pi, ok := bpt.peers[p]; !ok {
+
+	var pi *peerStats
+	var ok bool
+	if pi, ok = bpt.peers[p]; !ok {
 		log.Warn("log failure called on peer not in tracker", "peerid", p.String())
 		return
-	} else {
-		pi.failures++
-		logTime(pi, dur)
 	}
+
+	pi.failures++
+	logTime(pi, dur)
 }

 func (bpt *bsPeerTracker) removePeer(p peer.ID) {
@@ -1,3 +1,5 @@
+// Code generated by github.com/whyrusleeping/cbor-gen. DO NOT EDIT.
+
 package blocksync

 import (
@@ -5,54 +7,60 @@ import (
 	"io"

 	"github.com/filecoin-project/lotus/chain/types"
-	cid "github.com/ipfs/go-cid"
+	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
 	xerrors "golang.org/x/xerrors"
 )

-// Code generated by github.com/whyrusleeping/cbor-gen. DO NOT EDIT.
-
 var _ = xerrors.Errorf

+var lengthBufBlockSyncRequest = []byte{131}
+
 func (t *BlockSyncRequest) MarshalCBOR(w io.Writer) error {
 	if t == nil {
 		_, err := w.Write(cbg.CborNull)
 		return err
 	}
-	if _, err := w.Write([]byte{131}); err != nil {
+	if _, err := w.Write(lengthBufBlockSyncRequest); err != nil {
 		return err
 	}

+	scratch := make([]byte, 9)
+
 	// t.Start ([]cid.Cid) (slice)
 	if len(t.Start) > cbg.MaxLength {
 		return xerrors.Errorf("Slice value in field t.Start was too long")
 	}

-	if _, err := w.Write(cbg.CborEncodeMajorType(cbg.MajArray, uint64(len(t.Start)))); err != nil {
+	if err := cbg.WriteMajorTypeHeaderBuf(scratch, w, cbg.MajArray, uint64(len(t.Start))); err != nil {
 		return err
 	}
 	for _, v := range t.Start {
-		if err := cbg.WriteCid(w, v); err != nil {
+		if err := cbg.WriteCidBuf(scratch, w, v); err != nil {
 			return xerrors.Errorf("failed writing cid field t.Start: %w", err)
 		}
 	}

 	// t.RequestLength (uint64) (uint64)
-	if _, err := w.Write(cbg.CborEncodeMajorType(cbg.MajUnsignedInt, uint64(t.RequestLength))); err != nil {
+
+	if err := cbg.WriteMajorTypeHeaderBuf(scratch, w, cbg.MajUnsignedInt, uint64(t.RequestLength)); err != nil {
 		return err
 	}

 	// t.Options (uint64) (uint64)
-	if _, err := w.Write(cbg.CborEncodeMajorType(cbg.MajUnsignedInt, uint64(t.Options))); err != nil {
+
+	if err := cbg.WriteMajorTypeHeaderBuf(scratch, w, cbg.MajUnsignedInt, uint64(t.Options)); err != nil {
 		return err
 	}
+
 	return nil
 }

 func (t *BlockSyncRequest) UnmarshalCBOR(r io.Reader) error {
 	br := cbg.GetPeeker(r)
+	scratch := make([]byte, 8)

-	maj, extra, err := cbg.CborReadHeader(br)
+	maj, extra, err := cbg.CborReadHeaderBuf(br, scratch)
 	if err != nil {
 		return err
 	}
@@ -66,7 +74,7 @@ func (t *BlockSyncRequest) UnmarshalCBOR(r io.Reader) error {

 	// t.Start ([]cid.Cid) (slice)

-	maj, extra, err = cbg.CborReadHeader(br)
+	maj, extra, err = cbg.CborReadHeaderBuf(br, scratch)
 	if err != nil {
 		return err
 	}
@@ -78,9 +86,11 @@ func (t *BlockSyncRequest) UnmarshalCBOR(r io.Reader) error {
 	if maj != cbg.MajArray {
 		return fmt.Errorf("expected cbor array")
 	}
+
 	if extra > 0 {
 		t.Start = make([]cid.Cid, extra)
 	}
+
 	for i := 0; i < int(extra); i++ {

 		c, err := cbg.ReadCid(br)
@@ -92,42 +102,54 @@ func (t *BlockSyncRequest) UnmarshalCBOR(r io.Reader) error {

 	// t.RequestLength (uint64) (uint64)

-	maj, extra, err = cbg.CborReadHeader(br)
-	if err != nil {
-		return err
+	{
+
+		maj, extra, err = cbg.CborReadHeaderBuf(br, scratch)
+		if err != nil {
+			return err
+		}
+		if maj != cbg.MajUnsignedInt {
+			return fmt.Errorf("wrong type for uint64 field")
+		}
+		t.RequestLength = uint64(extra)
+
 	}
-	if maj != cbg.MajUnsignedInt {
-		return fmt.Errorf("wrong type for uint64 field")
-	}
-	t.RequestLength = uint64(extra)
 	// t.Options (uint64) (uint64)

-	maj, extra, err = cbg.CborReadHeader(br)
-	if err != nil {
-		return err
+	{
+
+		maj, extra, err = cbg.CborReadHeaderBuf(br, scratch)
+		if err != nil {
+			return err
+		}
+		if maj != cbg.MajUnsignedInt {
+			return fmt.Errorf("wrong type for uint64 field")
+		}
+		t.Options = uint64(extra)
+
 	}
-	if maj != cbg.MajUnsignedInt {
-		return fmt.Errorf("wrong type for uint64 field")
-	}
-	t.Options = uint64(extra)
 	return nil
 }

+var lengthBufBlockSyncResponse = []byte{131}
+
 func (t *BlockSyncResponse) MarshalCBOR(w io.Writer) error {
 	if t == nil {
 		_, err := w.Write(cbg.CborNull)
 		return err
 	}
-	if _, err := w.Write([]byte{131}); err != nil {
+	if _, err := w.Write(lengthBufBlockSyncResponse); err != nil {
 		return err
 	}

+	scratch := make([]byte, 9)
+
 	// t.Chain ([]*blocksync.BSTipSet) (slice)
 	if len(t.Chain) > cbg.MaxLength {
 		return xerrors.Errorf("Slice value in field t.Chain was too long")
 	}

-	if _, err := w.Write(cbg.CborEncodeMajorType(cbg.MajArray, uint64(len(t.Chain)))); err != nil {
+	if err := cbg.WriteMajorTypeHeaderBuf(scratch, w, cbg.MajArray, uint64(len(t.Chain))); err != nil {
 		return err
 	}
 	for _, v := range t.Chain {
@@ -137,7 +159,8 @@ func (t *BlockSyncResponse) MarshalCBOR(w io.Writer) error {
 	}

 	// t.Status (uint64) (uint64)
-	if _, err := w.Write(cbg.CborEncodeMajorType(cbg.MajUnsignedInt, uint64(t.Status))); err != nil {
+
+	if err := cbg.WriteMajorTypeHeaderBuf(scratch, w, cbg.MajUnsignedInt, uint64(t.Status)); err != nil {
 		return err
 	}

@@ -146,10 +169,10 @@ func (t *BlockSyncResponse) MarshalCBOR(w io.Writer) error {
 		return xerrors.Errorf("Value in field t.Message was too long")
 	}

-	if _, err := w.Write(cbg.CborEncodeMajorType(cbg.MajTextString, uint64(len(t.Message)))); err != nil {
+	if err := cbg.WriteMajorTypeHeaderBuf(scratch, w, cbg.MajTextString, uint64(len(t.Message))); err != nil {
 		return err
 	}
-	if _, err := w.Write([]byte(t.Message)); err != nil {
+	if _, err := io.WriteString(w, t.Message); err != nil {
 		return err
 	}
 	return nil
@@ -157,8 +180,9 @@ func (t *BlockSyncResponse) MarshalCBOR(w io.Writer) error {

 func (t *BlockSyncResponse) UnmarshalCBOR(r io.Reader) error {
 	br := cbg.GetPeeker(r)
+	scratch := make([]byte, 8)

-	maj, extra, err := cbg.CborReadHeader(br)
+	maj, extra, err := cbg.CborReadHeaderBuf(br, scratch)
 	if err != nil {
 		return err
 	}
@@ -172,7 +196,7 @@ func (t *BlockSyncResponse) UnmarshalCBOR(r io.Reader) error {

 	// t.Chain ([]*blocksync.BSTipSet) (slice)

-	maj, extra, err = cbg.CborReadHeader(br)
+	maj, extra, err = cbg.CborReadHeaderBuf(br, scratch)
 	if err != nil {
 		return err
 	}
@@ -184,9 +208,11 @@ func (t *BlockSyncResponse) UnmarshalCBOR(r io.Reader) error {
 	if maj != cbg.MajArray {
 		return fmt.Errorf("expected cbor array")
 	}
+
 	if extra > 0 {
 		t.Chain = make([]*BSTipSet, extra)
 	}
+
 	for i := 0; i < int(extra); i++ {

 		var v BSTipSet
@@ -199,18 +225,22 @@ func (t *BlockSyncResponse) UnmarshalCBOR(r io.Reader) error {

 	// t.Status (uint64) (uint64)

-	maj, extra, err = cbg.CborReadHeader(br)
-	if err != nil {
-		return err
+	{
+
+		maj, extra, err = cbg.CborReadHeaderBuf(br, scratch)
+		if err != nil {
+			return err
+		}
+		if maj != cbg.MajUnsignedInt {
+			return fmt.Errorf("wrong type for uint64 field")
+		}
+		t.Status = uint64(extra)
+
 	}
-	if maj != cbg.MajUnsignedInt {
-		return fmt.Errorf("wrong type for uint64 field")
-	}
-	t.Status = uint64(extra)
 	// t.Message (string) (string)

 	{
-		sval, err := cbg.ReadString(br)
+		sval, err := cbg.ReadStringBuf(br, scratch)
 		if err != nil {
 			return err
 		}
@@ -220,21 +250,25 @@ func (t *BlockSyncResponse) UnmarshalCBOR(r io.Reader) error {
 	return nil
 }

+var lengthBufBSTipSet = []byte{133}
+
 func (t *BSTipSet) MarshalCBOR(w io.Writer) error {
 	if t == nil {
 		_, err := w.Write(cbg.CborNull)
 		return err
 	}
-	if _, err := w.Write([]byte{133}); err != nil {
+	if _, err := w.Write(lengthBufBSTipSet); err != nil {
 		return err
 	}

+	scratch := make([]byte, 9)
+
 	// t.Blocks ([]*types.BlockHeader) (slice)
 	if len(t.Blocks) > cbg.MaxLength {
 		return xerrors.Errorf("Slice value in field t.Blocks was too long")
 	}

-	if _, err := w.Write(cbg.CborEncodeMajorType(cbg.MajArray, uint64(len(t.Blocks)))); err != nil {
+	if err := cbg.WriteMajorTypeHeaderBuf(scratch, w, cbg.MajArray, uint64(len(t.Blocks))); err != nil {
 		return err
 	}
 	for _, v := range t.Blocks {
@@ -248,7 +282,7 @@ func (t *BSTipSet) MarshalCBOR(w io.Writer) error {
 		return xerrors.Errorf("Slice value in field t.BlsMessages was too long")
 	}

-	if _, err := w.Write(cbg.CborEncodeMajorType(cbg.MajArray, uint64(len(t.BlsMessages)))); err != nil {
+	if err := cbg.WriteMajorTypeHeaderBuf(scratch, w, cbg.MajArray, uint64(len(t.BlsMessages))); err != nil {
 		return err
 	}
 	for _, v := range t.BlsMessages {
@@ -262,7 +296,7 @@ func (t *BSTipSet) MarshalCBOR(w io.Writer) error {
 		return xerrors.Errorf("Slice value in field t.BlsMsgIncludes was too long")
 	}

-	if _, err := w.Write(cbg.CborEncodeMajorType(cbg.MajArray, uint64(len(t.BlsMsgIncludes)))); err != nil {
+	if err := cbg.WriteMajorTypeHeaderBuf(scratch, w, cbg.MajArray, uint64(len(t.BlsMsgIncludes))); err != nil {
 		return err
 	}
 	for _, v := range t.BlsMsgIncludes {
@@ -270,11 +304,11 @@ func (t *BSTipSet) MarshalCBOR(w io.Writer) error {
 			return xerrors.Errorf("Slice value in field v was too long")
 		}

-		if _, err := w.Write(cbg.CborEncodeMajorType(cbg.MajArray, uint64(len(v)))); err != nil {
+		if err := cbg.WriteMajorTypeHeaderBuf(scratch, w, cbg.MajArray, uint64(len(v))); err != nil {
 			return err
 		}
 		for _, v := range v {
-			if err := cbg.CborWriteHeader(w, cbg.MajUnsignedInt, v); err != nil {
+			if err := cbg.CborWriteHeader(w, cbg.MajUnsignedInt, uint64(v)); err != nil {
 				return err
 			}
 		}
@@ -285,7 +319,7 @@ func (t *BSTipSet) MarshalCBOR(w io.Writer) error {
 		return xerrors.Errorf("Slice value in field t.SecpkMessages was too long")
 	}

-	if _, err := w.Write(cbg.CborEncodeMajorType(cbg.MajArray, uint64(len(t.SecpkMessages)))); err != nil {
+	if err := cbg.WriteMajorTypeHeaderBuf(scratch, w, cbg.MajArray, uint64(len(t.SecpkMessages))); err != nil {
 		return err
 	}
 	for _, v := range t.SecpkMessages {
@@ -299,7 +333,7 @@ func (t *BSTipSet) MarshalCBOR(w io.Writer) error {
 		return xerrors.Errorf("Slice value in field t.SecpkMsgIncludes was too long")
 	}

-	if _, err := w.Write(cbg.CborEncodeMajorType(cbg.MajArray, uint64(len(t.SecpkMsgIncludes)))); err != nil {
+	if err := cbg.WriteMajorTypeHeaderBuf(scratch, w, cbg.MajArray, uint64(len(t.SecpkMsgIncludes))); err != nil {
 		return err
 	}
 	for _, v := range t.SecpkMsgIncludes {
@@ -307,11 +341,11 @@ func (t *BSTipSet) MarshalCBOR(w io.Writer) error {
 			return xerrors.Errorf("Slice value in field v was too long")
 		}

-		if _, err := w.Write(cbg.CborEncodeMajorType(cbg.MajArray, uint64(len(v)))); err != nil {
+		if err := cbg.WriteMajorTypeHeaderBuf(scratch, w, cbg.MajArray, uint64(len(v))); err != nil {
 			return err
 		}
 		for _, v := range v {
-			if err := cbg.CborWriteHeader(w, cbg.MajUnsignedInt, v); err != nil {
+			if err := cbg.CborWriteHeader(w, cbg.MajUnsignedInt, uint64(v)); err != nil {
 				return err
 			}
 		}
@@ -321,8 +355,9 @@ func (t *BSTipSet) MarshalCBOR(w io.Writer) error {

 func (t *BSTipSet) UnmarshalCBOR(r io.Reader) error {
 	br := cbg.GetPeeker(r)
+	scratch := make([]byte, 8)

-	maj, extra, err := cbg.CborReadHeader(br)
+	maj, extra, err := cbg.CborReadHeaderBuf(br, scratch)
 	if err != nil {
 		return err
 	}
@@ -336,7 +371,7 @@ func (t *BSTipSet) UnmarshalCBOR(r io.Reader) error {

 	// t.Blocks ([]*types.BlockHeader) (slice)

-	maj, extra, err = cbg.CborReadHeader(br)
+	maj, extra, err = cbg.CborReadHeaderBuf(br, scratch)
 	if err != nil {
 		return err
 	}
@@ -348,9 +383,11 @@ func (t *BSTipSet) UnmarshalCBOR(r io.Reader) error {
 	if maj != cbg.MajArray {
 		return fmt.Errorf("expected cbor array")
 	}
+
 	if extra > 0 {
 		t.Blocks = make([]*types.BlockHeader, extra)
 	}
+
 	for i := 0; i < int(extra); i++ {

 		var v types.BlockHeader
@@ -363,7 +400,7 @@ func (t *BSTipSet) UnmarshalCBOR(r io.Reader) error {

 	// t.BlsMessages ([]*types.Message) (slice)

-	maj, extra, err = cbg.CborReadHeader(br)
+	maj, extra, err = cbg.CborReadHeaderBuf(br, scratch)
 	if err != nil {
 		return err
 	}
@@ -375,9 +412,11 @@ func (t *BSTipSet) UnmarshalCBOR(r io.Reader) error {
 	if maj != cbg.MajArray {
 		return fmt.Errorf("expected cbor array")
 	}
+
 	if extra > 0 {
 		t.BlsMessages = make([]*types.Message, extra)
 	}
+
 	for i := 0; i < int(extra); i++ {

 		var v types.Message
@@ -390,7 +429,7 @@ func (t *BSTipSet) UnmarshalCBOR(r io.Reader) error {

 	// t.BlsMsgIncludes ([][]uint64) (slice)

-	maj, extra, err = cbg.CborReadHeader(br)
+	maj, extra, err = cbg.CborReadHeaderBuf(br, scratch)
 	if err != nil {
 		return err
 	}
@@ -402,16 +441,18 @@ func (t *BSTipSet) UnmarshalCBOR(r io.Reader) error {
 	if maj != cbg.MajArray {
 		return fmt.Errorf("expected cbor array")
 	}
+
 	if extra > 0 {
 		t.BlsMsgIncludes = make([][]uint64, extra)
 	}
+
 	for i := 0; i < int(extra); i++ {
 		{
 			var maj byte
 			var extra uint64
 			var err error

-			maj, extra, err = cbg.CborReadHeader(br)
+			maj, extra, err = cbg.CborReadHeaderBuf(br, scratch)
 			if err != nil {
 				return err
 			}
@@ -423,12 +464,14 @@ func (t *BSTipSet) UnmarshalCBOR(r io.Reader) error {
 			if maj != cbg.MajArray {
 				return fmt.Errorf("expected cbor array")
 			}
+
 			if extra > 0 {
 				t.BlsMsgIncludes[i] = make([]uint64, extra)
 			}
+
 			for j := 0; j < int(extra); j++ {

-				maj, val, err := cbg.CborReadHeader(br)
+				maj, val, err := cbg.CborReadHeaderBuf(br, scratch)
 				if err != nil {
 					return xerrors.Errorf("failed to read uint64 for t.BlsMsgIncludes[i] slice: %w", err)
 				}
@@ -437,7 +480,7 @@ func (t *BSTipSet) UnmarshalCBOR(r io.Reader) error {
 					return xerrors.Errorf("value read for array t.BlsMsgIncludes[i] was not a uint, instead got %d", maj)
 				}

-				t.BlsMsgIncludes[i][j] = val
+				t.BlsMsgIncludes[i][j] = uint64(val)
 			}

 		}
@@ -445,7 +488,7 @@ func (t *BSTipSet) UnmarshalCBOR(r io.Reader) error {

 	// t.SecpkMessages ([]*types.SignedMessage) (slice)

-	maj, extra, err = cbg.CborReadHeader(br)
+	maj, extra, err = cbg.CborReadHeaderBuf(br, scratch)
 	if err != nil {
 		return err
 	}
@@ -457,9 +500,11 @@ func (t *BSTipSet) UnmarshalCBOR(r io.Reader) error {
 	if maj != cbg.MajArray {
 		return fmt.Errorf("expected cbor array")
 	}
+
 	if extra > 0 {
 		t.SecpkMessages = make([]*types.SignedMessage, extra)
 	}
+
 	for i := 0; i < int(extra); i++ {

 		var v types.SignedMessage
@@ -472,7 +517,7 @@ func (t *BSTipSet) UnmarshalCBOR(r io.Reader) error {

 	// t.SecpkMsgIncludes ([][]uint64) (slice)

-	maj, extra, err = cbg.CborReadHeader(br)
+	maj, extra, err = cbg.CborReadHeaderBuf(br, scratch)
 	if err != nil {
 		return err
 	}
@@ -484,16 +529,18 @@ func (t *BSTipSet) UnmarshalCBOR(r io.Reader) error {
 	if maj != cbg.MajArray {
 		return fmt.Errorf("expected cbor array")
 	}
+
 	if extra > 0 {
 		t.SecpkMsgIncludes = make([][]uint64, extra)
 	}
+
 	for i := 0; i < int(extra); i++ {
 		{
 			var maj byte
 			var extra uint64
 			var err error

-			maj, extra, err = cbg.CborReadHeader(br)
+			maj, extra, err = cbg.CborReadHeaderBuf(br, scratch)
 			if err != nil {
 				return err
 			}
@@ -505,12 +552,14 @@ func (t *BSTipSet) UnmarshalCBOR(r io.Reader) error {
 			if maj != cbg.MajArray {
 				return fmt.Errorf("expected cbor array")
 			}
+
 			if extra > 0 {
 				t.SecpkMsgIncludes[i] = make([]uint64, extra)
 			}
+
 			for j := 0; j < int(extra); j++ {

-				maj, val, err := cbg.CborReadHeader(br)
+				maj, val, err := cbg.CborReadHeaderBuf(br, scratch)
 				if err != nil {
 					return xerrors.Errorf("failed to read uint64 for t.SecpkMsgIncludes[i] slice: %w", err)
 				}
@@ -519,7 +568,7 @@ func (t *BSTipSet) UnmarshalCBOR(r io.Reader) error {
 					return xerrors.Errorf("value read for array t.SecpkMsgIncludes[i] was not a uint, instead got %d", maj)
 				}

-				t.SecpkMsgIncludes[i][j] = val
+				t.SecpkMsgIncludes[i][j] = uint64(val)
 			}

 		}
@@ -0,0 +1,151 @@
+package blocksync
+
+import (
+	"context"
+
+	"github.com/ipfs/go-cid"
+	"github.com/ipfs/go-datastore"
+	"github.com/ipfs/go-graphsync"
+	"github.com/ipld/go-ipld-prime"
+	"github.com/libp2p/go-libp2p-core/peer"
+	"golang.org/x/xerrors"
+
+	store "github.com/filecoin-project/lotus/chain/store"
+	"github.com/filecoin-project/lotus/chain/types"
+
+	cidlink "github.com/ipld/go-ipld-prime/linking/cid"
+	basicnode "github.com/ipld/go-ipld-prime/node/basic"
+	ipldselector "github.com/ipld/go-ipld-prime/traversal/selector"
+	selectorbuilder "github.com/ipld/go-ipld-prime/traversal/selector/builder"
+)
+
+const (
+
+	// AMT selector recursion. An AMT has arity of 8 so this gives allows
+	// us to retrieve trees with 8^10 (1,073,741,824) elements.
+	amtRecursionDepth = uint32(10)
+
+	// some constants for looking up tuple encoded struct fields
+	// field index of Parents field in a block header
+	blockIndexParentsField = 5
+
+	// field index of Messages field in a block header
+	blockIndexMessagesField = 10
+
+	// field index of AMT node in AMT head
+	amtHeadNodeFieldIndex = 2
+
+	// field index of links array AMT node
+	amtNodeLinksFieldIndex = 1
+
+	// field index of values array AMT node
+	amtNodeValuesFieldIndex = 2
+
+	// maximum depth per traversal
+	maxRequestLength = 50
+)
+
+var amtSelector selectorbuilder.SelectorSpec
+
+func init() {
+	// builer for selectors
+	ssb := selectorbuilder.NewSelectorSpecBuilder(basicnode.Style.Any)
+	// amt selector -- needed to selector through a messages AMT
+	amtSelector = ssb.ExploreIndex(amtHeadNodeFieldIndex,
+		ssb.ExploreRecursive(ipldselector.RecursionLimitDepth(int(amtRecursionDepth)),
+			ssb.ExploreUnion(
+				ssb.ExploreIndex(amtNodeLinksFieldIndex,
+					ssb.ExploreAll(ssb.ExploreRecursiveEdge())),
+				ssb.ExploreIndex(amtNodeValuesFieldIndex,
+					ssb.ExploreAll(ssb.Matcher())))))
+}
+
+func selectorForRequest(req *BlockSyncRequest) ipld.Node {
+	// builer for selectors
+	ssb := selectorbuilder.NewSelectorSpecBuilder(basicnode.Style.Any)
+
+	bso := ParseBSOptions(req.Options)
+	if bso.IncludeMessages {
+		return ssb.ExploreRecursive(ipldselector.RecursionLimitDepth(int(req.RequestLength)),
+			ssb.ExploreIndex(blockIndexParentsField,
+				ssb.ExploreUnion(
+					ssb.ExploreAll(
+						ssb.ExploreIndex(blockIndexMessagesField,
+							ssb.ExploreRange(0, 2, amtSelector),
+						)),
+					ssb.ExploreIndex(0, ssb.ExploreRecursiveEdge()),
+				))).Node()
+	}
+	return ssb.ExploreRecursive(ipldselector.RecursionLimitDepth(int(req.RequestLength)), ssb.ExploreIndex(blockIndexParentsField,
+		ssb.ExploreUnion(
+			ssb.ExploreAll(
+				ssb.Matcher(),
+			),
+			ssb.ExploreIndex(0, ssb.ExploreRecursiveEdge()),
+		))).Node()
+}
+
+func firstTipsetSelector(req *BlockSyncRequest) ipld.Node {
+	// builer for selectors
+	ssb := selectorbuilder.NewSelectorSpecBuilder(basicnode.Style.Any)
+
+	bso := ParseBSOptions(req.Options)
+	if bso.IncludeMessages {
+		return ssb.ExploreIndex(blockIndexMessagesField,
+			ssb.ExploreRange(0, 2, amtSelector),
+		).Node()
+	}
+	return ssb.Matcher().Node()
+
+}
+
+func (bs *BlockSync) executeGsyncSelector(ctx context.Context, p peer.ID, root cid.Cid, sel ipld.Node) error {
+	extension := graphsync.ExtensionData{
+		Name: "chainsync",
+		Data: nil,
+	}
+	_, errs := bs.gsync.Request(ctx, p, cidlink.Link{Cid: root}, sel, extension)
+
+	for err := range errs {
+		return xerrors.Errorf("failed to complete graphsync request: %w", err)
+	}
+	return nil
+}
+
+// Fallback for interacting with other non-lotus nodes
+func (bs *BlockSync) fetchBlocksGraphSync(ctx context.Context, p peer.ID, req *BlockSyncRequest) (*BlockSyncResponse, error) {
+	ctx, cancel := context.WithCancel(ctx)
+	defer cancel()
+
+	immediateTsSelector := firstTipsetSelector(req)
+
+	// Do this because we can only request one root at a time
+	for _, r := range req.Start {
+		if err := bs.executeGsyncSelector(ctx, p, r, immediateTsSelector); err != nil {
+			return nil, err
+		}
+	}
+
+	if req.RequestLength > maxRequestLength {
+		req.RequestLength = maxRequestLength
+	}
+
+	sel := selectorForRequest(req)
+
+	// execute the selector forreal
+	if err := bs.executeGsyncSelector(ctx, p, req.Start[0], sel); err != nil {
+		return nil, err
+	}
+
+	// Now pull the data we fetched out of the chainstore (where it should now be persisted)
+	tempcs := store.NewChainStore(bs.bserv.Blockstore(), datastore.NewMapDatastore(), nil)
+
+	opts := ParseBSOptions(req.Options)
+	tsk := types.NewTipSetKey(req.Start...)
+	chain, err := collectChainSegment(tempcs, tsk, req.RequestLength, opts)
+	if err != nil {
+		return nil, xerrors.Errorf("failed to load chain data from chainstore after successful graphsync response (start = %v): %w", req.Start, err)
+	}
+
+	return &BlockSyncResponse{Chain: chain}, nil
+}
@@ -5,6 +5,7 @@ import (
 	"sync"
 	"time"

+	"github.com/filecoin-project/specs-actors/actors/abi"
 	"github.com/ipfs/go-cid"
 	logging "github.com/ipfs/go-log/v2"
 	"golang.org/x/xerrors"
@@ -18,8 +19,8 @@ import (

 var log = logging.Logger("events")

-// `curH`-`ts.Height` = `confidence`
-type HeightHandler func(ctx context.Context, ts *types.TipSet, curH uint64) error
+// HeightHandler `curH`-`ts.Height` = `confidence`
+type HeightHandler func(ctx context.Context, ts *types.TipSet, curH abi.ChainEpoch) error
 type RevertHandler func(ctx context.Context, ts *types.TipSet) error

 type heightHandler struct {
@@ -30,17 +31,18 @@ type heightHandler struct {
 	revert RevertHandler
 }

-type eventApi interface {
-	ChainNotify(context.Context) (<-chan []*store.HeadChange, error)
+type eventAPI interface {
+	ChainNotify(context.Context) (<-chan []*api.HeadChange, error)
 	ChainGetBlockMessages(context.Context, cid.Cid) (*api.BlockMessages, error)
-	ChainGetTipSetByHeight(context.Context, uint64, *types.TipSet) (*types.TipSet, error)
-	StateGetReceipt(context.Context, cid.Cid, *types.TipSet) (*types.MessageReceipt, error)
+	ChainGetTipSetByHeight(context.Context, abi.ChainEpoch, types.TipSetKey) (*types.TipSet, error)
+	StateGetReceipt(context.Context, cid.Cid, types.TipSetKey) (*types.MessageReceipt, error)
+	ChainGetTipSet(context.Context, types.TipSetKey) (*types.TipSet, error)

-	StateGetActor(ctx context.Context, actor address.Address, ts *types.TipSet) (*types.Actor, error) // optional / for CalledMsg
+	StateGetActor(ctx context.Context, actor address.Address, tsk types.TipSetKey) (*types.Actor, error) // optional / for CalledMsg
 }

 type Events struct {
-	api eventApi
+	api eventAPI

 	tsc *tipSetCache
 	lk  sync.Mutex
@@ -52,7 +54,7 @@ type Events struct {
 	calledEvents
 }

-func NewEvents(ctx context.Context, api eventApi) *Events {
+func NewEvents(ctx context.Context, api eventAPI) *Events {
 	gcConfidence := 2 * build.ForkLengthThreshold

 	tsc := newTSCache(gcConfidence, api.ChainGetTipSetByHeight)
@@ -65,11 +67,11 @@ func NewEvents(ctx context.Context, api eventApi) *Events {
 		heightEvents: heightEvents{
 			tsc:          tsc,
 			ctx:          ctx,
-			gcConfidence: uint64(gcConfidence),
+			gcConfidence: gcConfidence,

 			heightTriggers:   map[uint64]*heightHandler{},
-			htTriggerHeights: map[uint64][]uint64{},
-			htHeights:        map[uint64][]uint64{},
+			htTriggerHeights: map[abi.ChainEpoch][]uint64{},
+			htHeights:        map[abi.ChainEpoch][]uint64{},
 		},

 		calledEvents: calledEvents{
@@ -80,9 +82,9 @@ func NewEvents(ctx context.Context, api eventApi) *Events {

 			confQueue:   map[triggerH]map[msgH][]*queuedEvent{},
 			revertQueue: map[msgH][]triggerH{},
-			triggers:    map[triggerId]*callHandler{},
-			matchers:    map[triggerId][]MatchFunc{},
-			timeouts:    map[uint64]map[triggerId]int{},
+			triggers:    map[triggerID]*callHandler{},
+			matchers:    map[triggerID][]MatchFunc{},
+			timeouts:    map[abi.ChainEpoch]map[triggerID]int{},
 		},
 	}

@@ -141,6 +143,8 @@ func (e *Events) listenHeadChangesOnce(ctx context.Context) error {
 	}

 	e.readyOnce.Do(func() {
+		e.at = cur[0].Val.Height()
+
 		e.ready.Done()
 	})

@@ -160,6 +164,11 @@ func (e *Events) listenHeadChangesOnce(ctx context.Context) error {
 		if err := e.headChange(rev, app); err != nil {
 			log.Warnf("headChange failed: %s", err)
 		}
+
+		// sync with fake chainstore (for tests)
+		if fcs, ok := e.api.(interface{ notifDone() }); ok {
+			fcs.notifDone()
+		}
 	}

 	return nil
@@ -5,27 +5,28 @@ import (
 	"math"
 	"sync"

+	"github.com/filecoin-project/specs-actors/actors/abi"
 	"github.com/ipfs/go-cid"
 	"golang.org/x/xerrors"

-	"github.com/filecoin-project/lotus/chain/store"
 	"github.com/filecoin-project/lotus/chain/types"
 )

-const NoTimeout = math.MaxUint64
+const NoTimeout = math.MaxInt64

-type triggerId = uint64
+type triggerID = uint64

 // msgH is the block height at which a message was present / event has happened
-type msgH = uint64
+type msgH = abi.ChainEpoch

 // triggerH is the block height at which the listener will be notified about the
 //  message (msgH+confidence)
-type triggerH = uint64
+type triggerH = abi.ChainEpoch

+// CalledHandler arguments:
 // `ts` is the tipset, in which the `msg` is included.
 // `curH`-`ts.Height` = `confidence`
-type CalledHandler func(msg *types.Message, rec *types.MessageReceipt, ts *types.TipSet, curH uint64) (more bool, err error)
+type CalledHandler func(msg *types.Message, rec *types.MessageReceipt, ts *types.TipSet, curH abi.ChainEpoch) (more bool, err error)

 // CheckFunc is used for atomicity guarantees. If the condition the callbacks
 // wait for has already happened in tipset `ts`
@@ -39,7 +40,7 @@ type MatchFunc func(msg *types.Message) (bool, error)

 type callHandler struct {
 	confidence int
-	timeout    uint64
+	timeout    abi.ChainEpoch

 	disabled bool // TODO: GC after gcConfidence reached

@@ -48,26 +49,28 @@ type callHandler struct {
 }

 type queuedEvent struct {
-	trigger triggerId
+	trigger triggerID

-	h   uint64
+	h   abi.ChainEpoch
 	msg *types.Message

 	called bool
 }

 type calledEvents struct {
-	cs           eventApi
+	cs           eventAPI
 	tsc          *tipSetCache
 	ctx          context.Context
 	gcConfidence uint64

+	at abi.ChainEpoch
+
 	lk sync.Mutex

-	ctr triggerId
+	ctr triggerID

-	triggers map[triggerId]*callHandler
-	matchers map[triggerId][]MatchFunc
+	triggers map[triggerID]*callHandler
+	matchers map[triggerID][]MatchFunc

 	// maps block heights to events
 	// [triggerH][msgH][event]
@@ -76,21 +79,23 @@ type calledEvents struct {
 	// [msgH][triggerH]
 	revertQueue map[msgH][]triggerH

-	// [timeoutH+confidence][triggerId]{calls}
-	timeouts map[uint64]map[triggerId]int
+	// [timeoutH+confidence][triggerID]{calls}
+	timeouts map[abi.ChainEpoch]map[triggerID]int
 }

 func (e *calledEvents) headChangeCalled(rev, app []*types.TipSet) error {
 	for _, ts := range rev {
 		e.handleReverts(ts)
+		e.at = ts.Height()
 	}

 	for _, ts := range app {
 		// called triggers
-
 		e.checkNewCalls(ts)
-		e.applyWithConfidence(ts)
-		e.applyTimeouts(ts)
+		for ; e.at <= ts.Height(); e.at++ {
+			e.applyWithConfidence(ts, e.at)
+			e.applyTimeouts(ts)
+		}
 	}

 	return nil
@@ -121,7 +126,13 @@ func (e *calledEvents) handleReverts(ts *types.TipSet) {
 }

 func (e *calledEvents) checkNewCalls(ts *types.TipSet) {
-	e.messagesForTs(ts, func(msg *types.Message) {
+	pts, err := e.cs.ChainGetTipSet(e.ctx, ts.Parents()) // we actually care about messages in the parent tipset here
+	if err != nil {
+		log.Errorf("getting parent tipset in checkNewCalls: %s", err)
+		return
+	}
+
+	e.messagesForTs(pts, func(msg *types.Message) {
 		// TODO: provide receipts

 		for tid, matchFns := range e.matchers {
@@ -129,7 +140,7 @@ func (e *calledEvents) checkNewCalls(ts *types.TipSet) {
 			for _, matchFn := range matchFns {
 				ok, err := matchFn(msg)
 				if err != nil {
-					log.Warnf("event matcher failed: %s")
+					log.Errorf("event matcher failed: %s", err)
 					continue
 				}
 				matched = ok
@@ -147,22 +158,21 @@ func (e *calledEvents) checkNewCalls(ts *types.TipSet) {
 	})
 }

-func (e *calledEvents) queueForConfidence(triggerId uint64, msg *types.Message, ts *types.TipSet) {
-	trigger := e.triggers[triggerId]
+func (e *calledEvents) queueForConfidence(trigID uint64, msg *types.Message, ts *types.TipSet) {
+	trigger := e.triggers[trigID]

-	// messages are not applied in the tipset they are included in
-	appliedH := ts.Height() + 1
+	appliedH := ts.Height()

-	triggerH := appliedH + uint64(trigger.confidence)
+	triggerH := appliedH + abi.ChainEpoch(trigger.confidence)

 	byOrigH, ok := e.confQueue[triggerH]
 	if !ok {
-		byOrigH = map[uint64][]*queuedEvent{}
+		byOrigH = map[abi.ChainEpoch][]*queuedEvent{}
 		e.confQueue[triggerH] = byOrigH
 	}

 	byOrigH[appliedH] = append(byOrigH[appliedH], &queuedEvent{
-		trigger: triggerId,
+		trigger: trigID,
 		h:       appliedH,
 		msg:     msg,
 	})
@@ -170,8 +180,8 @@ func (e *calledEvents) queueForConfidence(triggerId uint64, msg *types.Message,
 	e.revertQueue[appliedH] = append(e.revertQueue[appliedH], triggerH)
 }

-func (e *calledEvents) applyWithConfidence(ts *types.TipSet) {
-	byOrigH, ok := e.confQueue[ts.Height()]
+func (e *calledEvents) applyWithConfidence(ts *types.TipSet, height abi.ChainEpoch) {
+	byOrigH, ok := e.confQueue[height]
 	if !ok {
 		return // no triggers at thin height
 	}
@@ -179,7 +189,7 @@ func (e *calledEvents) applyWithConfidence(ts *types.TipSet) {
 	for origH, events := range byOrigH {
 		triggerTs, err := e.tsc.get(origH)
 		if err != nil {
-			log.Errorf("events: applyWithConfidence didn't find tipset for event; wanted %d; current %d", origH, ts.Height())
+			log.Errorf("events: applyWithConfidence didn't find tipset for event; wanted %d; current %d", origH, height)
 		}

 		for _, event := range events {
@@ -192,15 +202,15 @@ func (e *calledEvents) applyWithConfidence(ts *types.TipSet) {
 				continue
 			}

-			rec, err := e.cs.StateGetReceipt(e.ctx, event.msg.Cid(), ts)
+			rec, err := e.cs.StateGetReceipt(e.ctx, event.msg.Cid(), ts.Key())
 			if err != nil {
 				log.Error(err)
 				return
 			}

-			more, err := trigger.handle(event.msg, rec, triggerTs, ts.Height())
+			more, err := trigger.handle(event.msg, rec, triggerTs, height)
 			if err != nil {
-				log.Errorf("chain trigger (call %s.%d() @H %d, called @ %d) failed: %s", event.msg.To, event.msg.Method, origH, ts.Height(), err)
+				log.Errorf("chain trigger (call %s.%d() @H %d, called @ %d) failed: %s", event.msg.To, event.msg.Method, origH, height, err)
 				continue // don't revert failed calls
 			}

@@ -222,18 +232,18 @@ func (e *calledEvents) applyTimeouts(ts *types.TipSet) {
 		return // nothing to do
 	}

-	for triggerId, calls := range triggers {
+	for triggerID, calls := range triggers {
 		if calls > 0 {
 			continue // don't timeout if the method was called
 		}
-		trigger := e.triggers[triggerId]
+		trigger := e.triggers[triggerID]
 		if trigger.disabled {
 			continue
 		}

-		timeoutTs, err := e.tsc.get(ts.Height() - uint64(trigger.confidence))
+		timeoutTs, err := e.tsc.get(ts.Height() - abi.ChainEpoch(trigger.confidence))
 		if err != nil {
-			log.Errorf("events: applyTimeouts didn't find tipset for event; wanted %d; current %d", ts.Height()-uint64(trigger.confidence), ts.Height())
+			log.Errorf("events: applyTimeouts didn't find tipset for event; wanted %d; current %d", ts.Height()-abi.ChainEpoch(trigger.confidence), ts.Height())
 		}

 		more, err := trigger.handle(nil, nil, timeoutTs, ts.Height())
@@ -304,7 +314,7 @@ func (e *calledEvents) messagesForTs(ts *types.TipSet, consume func(*types.Messa
 //    containing the message. The tipset passed as the argument is the tipset
 //    that is being dropped. Note that the message dropped may be re-applied
 //    in a different tipset in small amount of time.
-func (e *calledEvents) Called(check CheckFunc, hnd CalledHandler, rev RevertHandler, confidence int, timeout uint64, mf MatchFunc) error {
+func (e *calledEvents) Called(check CheckFunc, hnd CalledHandler, rev RevertHandler, confidence int, timeout abi.ChainEpoch, mf MatchFunc) error {
 	e.lk.Lock()
 	defer e.lk.Unlock()

@@ -322,7 +332,7 @@ func (e *calledEvents) Called(check CheckFunc, hnd CalledHandler, rev RevertHand

 	e.triggers[id] = &callHandler{
 		confidence: confidence,
-		timeout:    timeout + uint64(confidence),
+		timeout:    timeout + abi.ChainEpoch(confidence),

 		disabled: !more,

@@ -333,15 +343,15 @@ func (e *calledEvents) Called(check CheckFunc, hnd CalledHandler, rev RevertHand
 	e.matchers[id] = append(e.matchers[id], mf)

 	if timeout != NoTimeout {
-		if e.timeouts[timeout+uint64(confidence)] == nil {
-			e.timeouts[timeout+uint64(confidence)] = map[uint64]int{}
+		if e.timeouts[timeout+abi.ChainEpoch(confidence)] == nil {
+			e.timeouts[timeout+abi.ChainEpoch(confidence)] = map[uint64]int{}
 		}
-		e.timeouts[timeout+uint64(confidence)][id] = 0
+		e.timeouts[timeout+abi.ChainEpoch(confidence)][id] = 0
 	}

 	return nil
 }

-func (e *calledEvents) CalledMsg(ctx context.Context, hnd CalledHandler, rev RevertHandler, confidence int, timeout uint64, msg store.ChainMsg) error {
+func (e *calledEvents) CalledMsg(ctx context.Context, hnd CalledHandler, rev RevertHandler, confidence int, timeout abi.ChainEpoch, msg types.ChainMsg) error {
 	return e.Called(e.CheckMsg(ctx, msg, hnd), hnd, rev, confidence, timeout, e.MatchMsg(msg.VMMessage()))
 }
@@ -4,6 +4,7 @@ import (
 	"context"
 	"sync"

+	"github.com/filecoin-project/specs-actors/actors/abi"
 	"go.opencensus.io/trace"

 	"github.com/filecoin-project/lotus/chain/types"
@@ -12,14 +13,14 @@ import (
 type heightEvents struct {
 	lk           sync.Mutex
 	tsc          *tipSetCache
-	gcConfidence uint64
+	gcConfidence abi.ChainEpoch

-	ctr triggerId
+	ctr triggerID

-	heightTriggers map[triggerId]*heightHandler
+	heightTriggers map[triggerID]*heightHandler

-	htTriggerHeights map[triggerH][]triggerId
-	htHeights        map[msgH][]triggerId
+	htTriggerHeights map[triggerH][]triggerID
+	htHeights        map[msgH][]triggerID

 	ctx context.Context
 }
@@ -35,7 +36,7 @@ func (e *heightEvents) headChangeAt(rev, app []*types.TipSet) error {
 		// TODO: log error if h below gcconfidence
 		// revert height-based triggers

-		revert := func(h uint64, ts *types.TipSet) {
+		revert := func(h abi.ChainEpoch, ts *types.TipSet) {
 			for _, tid := range e.htHeights[h] {
 				ctx, span := trace.StartSpan(ctx, "events.HeightRevert")

@@ -80,7 +81,7 @@ func (e *heightEvents) headChangeAt(rev, app []*types.TipSet) error {

 		// height triggers

-		apply := func(h uint64, ts *types.TipSet) error {
+		apply := func(h abi.ChainEpoch, ts *types.TipSet) error {
 			for _, tid := range e.htTriggerHeights[h] {
 				hnd := e.heightTriggers[tid]
 				if hnd.called {
@@ -88,7 +89,7 @@ func (e *heightEvents) headChangeAt(rev, app []*types.TipSet) error {
 				}
 				hnd.called = true

-				triggerH := h - uint64(hnd.confidence)
+				triggerH := h - abi.ChainEpoch(hnd.confidence)

 				incTs, err := e.tsc.getNonNull(triggerH)
 				if err != nil {
@@ -139,13 +140,13 @@ func (e *heightEvents) headChangeAt(rev, app []*types.TipSet) error {
 //  specified height, `RevertHandler` will be called.
 //
 // ts passed to handlers is the tipset at the specified, or above, if lower tipsets were null
-func (e *heightEvents) ChainAt(hnd HeightHandler, rev RevertHandler, confidence int, h uint64) error {
+func (e *heightEvents) ChainAt(hnd HeightHandler, rev RevertHandler, confidence int, h abi.ChainEpoch) error {

 	e.lk.Lock() // Tricky locking, check your locks if you modify this function!

 	bestH := e.tsc.best().Height()

-	if bestH >= h+uint64(confidence) {
+	if bestH >= h+abi.ChainEpoch(confidence) {
 		ts, err := e.tsc.getNonNull(h)
 		if err != nil {
 			log.Warnf("events.ChainAt: calling HandleFunc with nil tipset, not found in cache: %s", err)
@@ -168,11 +169,11 @@ func (e *heightEvents) ChainAt(hnd HeightHandler, rev RevertHandler, confidence

 	defer e.lk.Unlock()

-	if bestH >= h+uint64(confidence)+e.gcConfidence {
+	if bestH >= h+abi.ChainEpoch(confidence)+e.gcConfidence {
 		return nil
 	}

-	triggerAt := h + uint64(confidence)
+	triggerAt := h + abi.ChainEpoch(confidence)

 	id := e.ctr
 	e.ctr++
@@ -3,18 +3,20 @@ package events
 import (
 	"context"
 	"fmt"
+	"sync"
 	"testing"
-	"time"
-
-	"github.com/filecoin-project/lotus/api"
-	"github.com/filecoin-project/lotus/chain/store"

 	"github.com/ipfs/go-cid"
 	"github.com/multiformats/go-multihash"
 	"github.com/stretchr/testify/require"

 	"github.com/filecoin-project/go-address"
+	"github.com/filecoin-project/specs-actors/actors/abi"
+	"github.com/filecoin-project/specs-actors/actors/crypto"
+
+	"github.com/filecoin-project/lotus/api"
 	"github.com/filecoin-project/lotus/build"
+	"github.com/filecoin-project/lotus/chain/store"
 	"github.com/filecoin-project/lotus/chain/types"
 )

@@ -31,28 +33,36 @@ type fakeMsg struct {

 type fakeCS struct {
 	t   *testing.T
-	h   uint64
+	h   abi.ChainEpoch
 	tsc *tipSetCache

 	msgs    map[cid.Cid]fakeMsg
 	blkMsgs map[cid.Cid]cid.Cid

+	sync sync.Mutex
+
+	tipsets map[types.TipSetKey]*types.TipSet
+
 	sub func(rev, app []*types.TipSet)
 }

-func (fcs *fakeCS) StateGetReceipt(context.Context, cid.Cid, *types.TipSet) (*types.MessageReceipt, error) {
+func (fcs *fakeCS) ChainGetTipSet(ctx context.Context, key types.TipSetKey) (*types.TipSet, error) {
+	return fcs.tipsets[key], nil
+}
+
+func (fcs *fakeCS) StateGetReceipt(context.Context, cid.Cid, types.TipSetKey) (*types.MessageReceipt, error) {
 	return nil, nil
 }

-func (fcs *fakeCS) StateGetActor(ctx context.Context, actor address.Address, ts *types.TipSet) (*types.Actor, error) {
+func (fcs *fakeCS) StateGetActor(ctx context.Context, actor address.Address, tsk types.TipSetKey) (*types.Actor, error) {
 	panic("Not Implemented")
 }

-func (fcs *fakeCS) ChainGetTipSetByHeight(context.Context, uint64, *types.TipSet) (*types.TipSet, error) {
+func (fcs *fakeCS) ChainGetTipSetByHeight(context.Context, abi.ChainEpoch, types.TipSetKey) (*types.TipSet, error) {
 	panic("Not Implemented")
 }

-func makeTs(t *testing.T, h uint64, msgcid cid.Cid) *types.TipSet {
+func (fcs *fakeCS) makeTs(t *testing.T, parents []cid.Cid, h abi.ChainEpoch, msgcid cid.Cid) *types.TipSet {
 	a, _ := address.NewFromString("t00")
 	b, _ := address.NewFromString("t02")
 	var ts, err = types.NewTipSet([]*types.BlockHeader{
@@ -60,50 +70,59 @@ func makeTs(t *testing.T, h uint64, msgcid cid.Cid) *types.TipSet {
 			Height: h,
 			Miner:  a,

+			Parents: parents,
+
 			Ticket: &types.Ticket{VRFProof: []byte{byte(h % 2)}},

 			ParentStateRoot:       dummyCid,
 			Messages:              msgcid,
 			ParentMessageReceipts: dummyCid,

-			BlockSig:     &types.Signature{Type: types.KTBLS},
-			BLSAggregate: types.Signature{Type: types.KTBLS},
+			BlockSig:     &crypto.Signature{Type: crypto.SigTypeBLS},
+			BLSAggregate: &crypto.Signature{Type: crypto.SigTypeBLS},
 		},
 		{
 			Height: h,
 			Miner:  b,

+			Parents: parents,
+
 			Ticket: &types.Ticket{VRFProof: []byte{byte((h + 1) % 2)}},

 			ParentStateRoot:       dummyCid,
 			Messages:              msgcid,
 			ParentMessageReceipts: dummyCid,

-			BlockSig:     &types.Signature{Type: types.KTBLS},
-			BLSAggregate: types.Signature{Type: types.KTBLS},
+			BlockSig:     &crypto.Signature{Type: crypto.SigTypeBLS},
+			BLSAggregate: &crypto.Signature{Type: crypto.SigTypeBLS},
 		},
 	})

+	if fcs.tipsets == nil {
+		fcs.tipsets = map[types.TipSetKey]*types.TipSet{}
+	}
+	fcs.tipsets[ts.Key()] = ts
+
 	require.NoError(t, err)

 	return ts
 }

-func (fcs *fakeCS) ChainNotify(context.Context) (<-chan []*store.HeadChange, error) {
-	out := make(chan []*store.HeadChange, 1)
-	out <- []*store.HeadChange{{Type: store.HCCurrent, Val: fcs.tsc.best()}}
+func (fcs *fakeCS) ChainNotify(context.Context) (<-chan []*api.HeadChange, error) {
+	out := make(chan []*api.HeadChange, 1)
+	out <- []*api.HeadChange{{Type: store.HCCurrent, Val: fcs.tsc.best()}}

 	fcs.sub = func(rev, app []*types.TipSet) {
-		notif := make([]*store.HeadChange, len(rev)+len(app))
+		notif := make([]*api.HeadChange, len(rev)+len(app))

 		for i, r := range rev {
-			notif[i] = &store.HeadChange{
+			notif[i] = &api.HeadChange{
 				Type: store.HCRevert,
 				Val:  r,
 			}
 		}
 		for i, r := range app {
-			notif[i+len(rev)] = &store.HeadChange{
+			notif[i+len(rev)] = &api.HeadChange{
 				Type: store.HCApply,
 				Val:  r,
 			}
@@ -177,7 +196,7 @@ func (fcs *fakeCS) advance(rev, app int, msgs map[int]cid.Cid, nulls ...int) { /
 			continue
 		}

-		ts := makeTs(fcs.t, fcs.h, mc)
+		ts := fcs.makeTs(fcs.t, fcs.tsc.best().Key().Cids(), fcs.h, mc)
 		require.NoError(fcs.t, fcs.tsc.add(ts))

 		if hasMsgs {
@@ -187,11 +206,19 @@ func (fcs *fakeCS) advance(rev, app int, msgs map[int]cid.Cid, nulls ...int) { /
 		apps = append(apps, ts)
 	}

+	fcs.sync.Lock()
+
 	fcs.sub(revs, apps)
-	time.Sleep(100 * time.Millisecond) // TODO: :c
+
+	fcs.sync.Lock()
+	fcs.sync.Unlock() //nolint:staticcheck
 }

-var _ eventApi = &fakeCS{}
+func (fcs *fakeCS) notifDone() {
+	fcs.sync.Unlock()
+}
+
+var _ eventAPI = &fakeCS{}

 func TestAt(t *testing.T) {
 	fcs := &fakeCS{
@@ -199,14 +226,14 @@ func TestAt(t *testing.T) {
 		h:   1,
 		tsc: newTSCache(2*build.ForkLengthThreshold, nil),
 	}
-	require.NoError(t, fcs.tsc.add(makeTs(t, 1, dummyCid)))
+	require.NoError(t, fcs.tsc.add(fcs.makeTs(t, nil, 1, dummyCid)))

 	events := NewEvents(context.Background(), fcs)

 	var applied bool
 	var reverted bool

-	err := events.ChainAt(func(_ context.Context, ts *types.TipSet, curH uint64) error {
+	err := events.ChainAt(func(_ context.Context, ts *types.TipSet, curH abi.ChainEpoch) error {
 		require.Equal(t, 5, int(ts.Height()))
 		require.Equal(t, 8, int(curH))
 		applied = true
@@ -264,14 +291,14 @@ func TestAtDoubleTrigger(t *testing.T) {
 		h:   1,
 		tsc: newTSCache(2*build.ForkLengthThreshold, nil),
 	}
-	require.NoError(t, fcs.tsc.add(makeTs(t, 1, dummyCid)))
+	require.NoError(t, fcs.tsc.add(fcs.makeTs(t, nil, 1, dummyCid)))

 	events := NewEvents(context.Background(), fcs)

 	var applied bool
 	var reverted bool

-	err := events.ChainAt(func(_ context.Context, ts *types.TipSet, curH uint64) error {
+	err := events.ChainAt(func(_ context.Context, ts *types.TipSet, curH abi.ChainEpoch) error {
 		require.Equal(t, 5, int(ts.Height()))
 		require.Equal(t, 8, int(curH))
 		applied = true
@@ -306,15 +333,15 @@ func TestAtNullTrigger(t *testing.T) {
 		h:   1,
 		tsc: newTSCache(2*build.ForkLengthThreshold, nil),
 	}
-	require.NoError(t, fcs.tsc.add(makeTs(t, 1, dummyCid)))
+	require.NoError(t, fcs.tsc.add(fcs.makeTs(t, nil, 1, dummyCid)))

 	events := NewEvents(context.Background(), fcs)

 	var applied bool
 	var reverted bool

-	err := events.ChainAt(func(_ context.Context, ts *types.TipSet, curH uint64) error {
-		require.Equal(t, uint64(6), ts.Height())
+	err := events.ChainAt(func(_ context.Context, ts *types.TipSet, curH abi.ChainEpoch) error {
+		require.Equal(t, abi.ChainEpoch(6), ts.Height())
 		require.Equal(t, 8, int(curH))
 		applied = true
 		return nil
@@ -340,14 +367,14 @@ func TestAtNullConf(t *testing.T) {
 		h:   1,
 		tsc: newTSCache(2*build.ForkLengthThreshold, nil),
 	}
-	require.NoError(t, fcs.tsc.add(makeTs(t, 1, dummyCid)))
+	require.NoError(t, fcs.tsc.add(fcs.makeTs(t, nil, 1, dummyCid)))

 	events := NewEvents(context.Background(), fcs)

 	var applied bool
 	var reverted bool

-	err := events.ChainAt(func(_ context.Context, ts *types.TipSet, curH uint64) error {
+	err := events.ChainAt(func(_ context.Context, ts *types.TipSet, curH abi.ChainEpoch) error {
 		require.Equal(t, 5, int(ts.Height()))
 		require.Equal(t, 8, int(curH))
 		applied = true
@@ -379,7 +406,7 @@ func TestAtStart(t *testing.T) {
 		h:   1,
 		tsc: newTSCache(2*build.ForkLengthThreshold, nil),
 	}
-	require.NoError(t, fcs.tsc.add(makeTs(t, 1, dummyCid)))
+	require.NoError(t, fcs.tsc.add(fcs.makeTs(t, nil, 1, dummyCid)))

 	events := NewEvents(context.Background(), fcs)

@@ -388,7 +415,7 @@ func TestAtStart(t *testing.T) {
 	var applied bool
 	var reverted bool

-	err := events.ChainAt(func(_ context.Context, ts *types.TipSet, curH uint64) error {
+	err := events.ChainAt(func(_ context.Context, ts *types.TipSet, curH abi.ChainEpoch) error {
 		require.Equal(t, 5, int(ts.Height()))
 		require.Equal(t, 8, int(curH))
 		applied = true
@@ -413,7 +440,7 @@ func TestAtStartConfidence(t *testing.T) {
 		h:   1,
 		tsc: newTSCache(2*build.ForkLengthThreshold, nil),
 	}
-	require.NoError(t, fcs.tsc.add(makeTs(t, 1, dummyCid)))
+	require.NoError(t, fcs.tsc.add(fcs.makeTs(t, nil, 1, dummyCid)))

 	events := NewEvents(context.Background(), fcs)

@@ -422,7 +449,7 @@ func TestAtStartConfidence(t *testing.T) {
 	var applied bool
 	var reverted bool

-	err := events.ChainAt(func(_ context.Context, ts *types.TipSet, curH uint64) error {
+	err := events.ChainAt(func(_ context.Context, ts *types.TipSet, curH abi.ChainEpoch) error {
 		require.Equal(t, 5, int(ts.Height()))
 		require.Equal(t, 11, int(curH))
 		applied = true
@@ -443,15 +470,15 @@ func TestAtChained(t *testing.T) {
 		h:   1,
 		tsc: newTSCache(2*build.ForkLengthThreshold, nil),
 	}
-	require.NoError(t, fcs.tsc.add(makeTs(t, 1, dummyCid)))
+	require.NoError(t, fcs.tsc.add(fcs.makeTs(t, nil, 1, dummyCid)))

 	events := NewEvents(context.Background(), fcs)

 	var applied bool
 	var reverted bool

-	err := events.ChainAt(func(_ context.Context, ts *types.TipSet, curH uint64) error {
-		return events.ChainAt(func(_ context.Context, ts *types.TipSet, curH uint64) error {
+	err := events.ChainAt(func(_ context.Context, ts *types.TipSet, curH abi.ChainEpoch) error {
+		return events.ChainAt(func(_ context.Context, ts *types.TipSet, curH abi.ChainEpoch) error {
 			require.Equal(t, 10, int(ts.Height()))
 			applied = true
 			return nil
@@ -477,7 +504,7 @@ func TestAtChainedConfidence(t *testing.T) {
 		h:   1,
 		tsc: newTSCache(2*build.ForkLengthThreshold, nil),
 	}
-	require.NoError(t, fcs.tsc.add(makeTs(t, 1, dummyCid)))
+	require.NoError(t, fcs.tsc.add(fcs.makeTs(t, nil, 1, dummyCid)))

 	events := NewEvents(context.Background(), fcs)

@@ -486,8 +513,8 @@ func TestAtChainedConfidence(t *testing.T) {
 	var applied bool
 	var reverted bool

-	err := events.ChainAt(func(_ context.Context, ts *types.TipSet, curH uint64) error {
-		return events.ChainAt(func(_ context.Context, ts *types.TipSet, curH uint64) error {
+	err := events.ChainAt(func(_ context.Context, ts *types.TipSet, curH abi.ChainEpoch) error {
+		return events.ChainAt(func(_ context.Context, ts *types.TipSet, curH abi.ChainEpoch) error {
 			require.Equal(t, 10, int(ts.Height()))
 			applied = true
 			return nil
@@ -511,7 +538,7 @@ func TestAtChainedConfidenceNull(t *testing.T) {
 		h:   1,
 		tsc: newTSCache(2*build.ForkLengthThreshold, nil),
 	}
-	require.NoError(t, fcs.tsc.add(makeTs(t, 1, dummyCid)))
+	require.NoError(t, fcs.tsc.add(fcs.makeTs(t, nil, 1, dummyCid)))

 	events := NewEvents(context.Background(), fcs)

@@ -520,7 +547,7 @@ func TestAtChainedConfidenceNull(t *testing.T) {
 	var applied bool
 	var reverted bool

-	err := events.ChainAt(func(_ context.Context, ts *types.TipSet, curH uint64) error {
+	err := events.ChainAt(func(_ context.Context, ts *types.TipSet, curH abi.ChainEpoch) error {
 		applied = true
 		require.Equal(t, 6, int(ts.Height()))
 		return nil
@@ -534,7 +561,7 @@ func TestAtChainedConfidenceNull(t *testing.T) {
 	require.Equal(t, false, reverted)
 }

-func matchAddrMethod(to address.Address, m uint64) func(msg *types.Message) (bool, error) {
+func matchAddrMethod(to address.Address, m abi.MethodNum) func(msg *types.Message) (bool, error) {
 	return func(msg *types.Message) (bool, error) {
 		return to == msg.To && m == msg.Method, nil
 	}
@@ -549,7 +576,7 @@ func TestCalled(t *testing.T) {
 		blkMsgs: map[cid.Cid]cid.Cid{},
 		tsc:     newTSCache(2*build.ForkLengthThreshold, nil),
 	}
-	require.NoError(t, fcs.tsc.add(makeTs(t, 1, dummyCid)))
+	require.NoError(t, fcs.tsc.add(fcs.makeTs(t, nil, 1, dummyCid)))

 	events := NewEvents(context.Background(), fcs)

@@ -560,11 +587,11 @@ func TestCalled(t *testing.T) {
 	var applied, reverted bool
 	var appliedMsg *types.Message
 	var appliedTs *types.TipSet
-	var appliedH uint64
+	var appliedH abi.ChainEpoch

 	err = events.Called(func(ts *types.TipSet) (d bool, m bool, e error) {
 		return false, true, nil
-	}, func(msg *types.Message, rec *types.MessageReceipt, ts *types.TipSet, curH uint64) (bool, error) {
+	}, func(msg *types.Message, rec *types.MessageReceipt, ts *types.TipSet, curH abi.ChainEpoch) (bool, error) {
 		require.Equal(t, false, applied)
 		applied = true
 		appliedMsg = msg
@@ -610,12 +637,12 @@ func TestCalled(t *testing.T) {
 	require.Equal(t, false, applied)
 	require.Equal(t, false, reverted)

-	require.Equal(t, uint64(7), appliedTs.Height())
+	require.Equal(t, abi.ChainEpoch(7), appliedTs.Height())
 	require.Equal(t, "bafkqaaa", appliedTs.Blocks()[0].Messages.String())
-	require.Equal(t, uint64(10), appliedH)
+	require.Equal(t, abi.ChainEpoch(10), appliedH)
 	require.Equal(t, t0123, appliedMsg.To)
 	require.Equal(t, uint64(1), appliedMsg.Nonce)
-	require.Equal(t, uint64(5), appliedMsg.Method)
+	require.Equal(t, abi.MethodNum(5), appliedMsg.Method)

 	// revert some blocks, keep the message

@@ -625,7 +652,7 @@ func TestCalled(t *testing.T) {

 	// revert the message

-	fcs.advance(2, 1, nil) // H=7, we reverted ts with the msg
+	fcs.advance(2, 1, nil) // H=7, we reverted ts with the msg execution, but not the msg itself

 	require.Equal(t, false, applied)
 	require.Equal(t, true, reverted)
@@ -639,24 +666,31 @@ func TestCalled(t *testing.T) {
 		},
 	})

-	fcs.advance(0, 5, map[int]cid.Cid{ // (confidence=3)
+	fcs.advance(0, 3, map[int]cid.Cid{ // (n2msg confidence=1)
 		0: n2msg,
 	})

+	require.Equal(t, true, applied) // msg from H=7, which had reverted execution
+	require.Equal(t, false, reverted)
+	require.Equal(t, abi.ChainEpoch(10), appliedH)
+	applied = false
+
+	fcs.advance(0, 2, nil) // (confidence=3)
+
 	require.Equal(t, true, applied)
 	require.Equal(t, false, reverted)
 	applied = false

-	require.Equal(t, uint64(9), appliedTs.Height())
+	require.Equal(t, abi.ChainEpoch(9), appliedTs.Height())
 	require.Equal(t, "bafkqaaa", appliedTs.Blocks()[0].Messages.String())
-	require.Equal(t, uint64(12), appliedH)
+	require.Equal(t, abi.ChainEpoch(12), appliedH)
 	require.Equal(t, t0123, appliedMsg.To)
 	require.Equal(t, uint64(2), appliedMsg.Nonce)
-	require.Equal(t, uint64(5), appliedMsg.Method)
+	require.Equal(t, abi.MethodNum(5), appliedMsg.Method)

 	// revert and apply at different height

-	fcs.advance(4, 6, map[int]cid.Cid{ // (confidence=3)
+	fcs.advance(8, 6, map[int]cid.Cid{ // (confidence=3)
 		1: n2msg,
 	})

@@ -668,12 +702,12 @@ func TestCalled(t *testing.T) {
 	reverted = false
 	applied = false

-	require.Equal(t, uint64(11), appliedTs.Height())
+	require.Equal(t, abi.ChainEpoch(7), appliedTs.Height())
 	require.Equal(t, "bafkqaaa", appliedTs.Blocks()[0].Messages.String())
-	require.Equal(t, uint64(14), appliedH)
+	require.Equal(t, abi.ChainEpoch(10), appliedH)
 	require.Equal(t, t0123, appliedMsg.To)
 	require.Equal(t, uint64(2), appliedMsg.Nonce)
-	require.Equal(t, uint64(5), appliedMsg.Method)
+	require.Equal(t, abi.MethodNum(5), appliedMsg.Method)

 	// call method again

@@ -694,7 +728,7 @@ func TestCalled(t *testing.T) {
 		}),
 	})

-	fcs.advance(1, 4, nil) // H=19, but message reverted
+	fcs.advance(2, 5, nil) // H=19, but message reverted

 	require.Equal(t, false, applied)
 	require.Equal(t, false, reverted)
@@ -754,7 +788,7 @@ func TestCalledTimeout(t *testing.T) {
 		blkMsgs: map[cid.Cid]cid.Cid{},
 		tsc:     newTSCache(2*build.ForkLengthThreshold, nil),
 	}
-	require.NoError(t, fcs.tsc.add(makeTs(t, 1, dummyCid)))
+	require.NoError(t, fcs.tsc.add(fcs.makeTs(t, nil, 1, dummyCid)))

 	events := NewEvents(context.Background(), fcs)

@@ -765,11 +799,11 @@ func TestCalledTimeout(t *testing.T) {

 	err = events.Called(func(ts *types.TipSet) (d bool, m bool, e error) {
 		return false, true, nil
-	}, func(msg *types.Message, rec *types.MessageReceipt, ts *types.TipSet, curH uint64) (bool, error) {
+	}, func(msg *types.Message, rec *types.MessageReceipt, ts *types.TipSet, curH abi.ChainEpoch) (bool, error) {
 		called = true
 		require.Nil(t, msg)
-		require.Equal(t, uint64(20), ts.Height())
-		require.Equal(t, uint64(23), curH)
+		require.Equal(t, abi.ChainEpoch(20), ts.Height())
+		require.Equal(t, abi.ChainEpoch(23), curH)
 		return false, nil
 	}, func(_ context.Context, ts *types.TipSet) error {
 		t.Fatal("revert on timeout")
@@ -794,17 +828,17 @@ func TestCalledTimeout(t *testing.T) {
 		blkMsgs: map[cid.Cid]cid.Cid{},
 		tsc:     newTSCache(2*build.ForkLengthThreshold, nil),
 	}
-	require.NoError(t, fcs.tsc.add(makeTs(t, 1, dummyCid)))
+	require.NoError(t, fcs.tsc.add(fcs.makeTs(t, nil, 1, dummyCid)))

 	events = NewEvents(context.Background(), fcs)

 	err = events.Called(func(ts *types.TipSet) (d bool, m bool, e error) {
 		return true, true, nil
-	}, func(msg *types.Message, rec *types.MessageReceipt, ts *types.TipSet, curH uint64) (bool, error) {
+	}, func(msg *types.Message, rec *types.MessageReceipt, ts *types.TipSet, curH abi.ChainEpoch) (bool, error) {
 		called = true
 		require.Nil(t, msg)
-		require.Equal(t, uint64(20), ts.Height())
-		require.Equal(t, uint64(23), curH)
+		require.Equal(t, abi.ChainEpoch(20), ts.Height())
+		require.Equal(t, abi.ChainEpoch(23), curH)
 		return false, nil
 	}, func(_ context.Context, ts *types.TipSet) error {
 		t.Fatal("revert on timeout")
@@ -828,7 +862,7 @@ func TestCalledOrder(t *testing.T) {
 		blkMsgs: map[cid.Cid]cid.Cid{},
 		tsc:     newTSCache(2*build.ForkLengthThreshold, nil),
 	}
-	require.NoError(t, fcs.tsc.add(makeTs(t, 1, dummyCid)))
+	require.NoError(t, fcs.tsc.add(fcs.makeTs(t, nil, 1, dummyCid)))

 	events := NewEvents(context.Background(), fcs)

@@ -839,14 +873,14 @@ func TestCalledOrder(t *testing.T) {

 	err = events.Called(func(ts *types.TipSet) (d bool, m bool, e error) {
 		return false, true, nil
-	}, func(msg *types.Message, rec *types.MessageReceipt, ts *types.TipSet, curH uint64) (bool, error) {
+	}, func(msg *types.Message, rec *types.MessageReceipt, ts *types.TipSet, curH abi.ChainEpoch) (bool, error) {
 		switch at {
 		case 0:
 			require.Equal(t, uint64(1), msg.Nonce)
-			require.Equal(t, uint64(4), ts.Height())
+			require.Equal(t, abi.ChainEpoch(4), ts.Height())
 		case 1:
 			require.Equal(t, uint64(2), msg.Nonce)
-			require.Equal(t, uint64(5), ts.Height())
+			require.Equal(t, abi.ChainEpoch(5), ts.Height())
 		default:
 			t.Fatal("apply should only get called twice, at: ", at)
 		}
@@ -855,9 +889,9 @@ func TestCalledOrder(t *testing.T) {
 	}, func(_ context.Context, ts *types.TipSet) error {
 		switch at {
 		case 2:
-			require.Equal(t, uint64(5), ts.Height())
+			require.Equal(t, abi.ChainEpoch(5), ts.Height())
 		case 3:
-			require.Equal(t, uint64(4), ts.Height())
+			require.Equal(t, abi.ChainEpoch(4), ts.Height())
 		default:
 			t.Fatal("revert should only get called twice, at: ", at)
 		}
@@ -881,3 +915,155 @@ func TestCalledOrder(t *testing.T) {

 	fcs.advance(9, 1, nil)
 }
+
+func TestCalledNull(t *testing.T) {
+	fcs := &fakeCS{
+		t: t,
+		h: 1,
+
+		msgs:    map[cid.Cid]fakeMsg{},
+		blkMsgs: map[cid.Cid]cid.Cid{},
+		tsc:     newTSCache(2*build.ForkLengthThreshold, nil),
+	}
+	require.NoError(t, fcs.tsc.add(fcs.makeTs(t, nil, 1, dummyCid)))
+
+	events := NewEvents(context.Background(), fcs)
+
+	t0123, err := address.NewFromString("t0123")
+	require.NoError(t, err)
+
+	more := true
+	var applied, reverted bool
+
+	err = events.Called(func(ts *types.TipSet) (d bool, m bool, e error) {
+		return false, true, nil
+	}, func(msg *types.Message, rec *types.MessageReceipt, ts *types.TipSet, curH abi.ChainEpoch) (bool, error) {
+		require.Equal(t, false, applied)
+		applied = true
+		return more, nil
+	}, func(_ context.Context, ts *types.TipSet) error {
+		reverted = true
+		return nil
+	}, 3, 20, matchAddrMethod(t0123, 5))
+	require.NoError(t, err)
+
+	// create few blocks to make sure nothing get's randomly called
+
+	fcs.advance(0, 4, nil) // H=5
+	require.Equal(t, false, applied)
+	require.Equal(t, false, reverted)
+
+	// create blocks with message (but below confidence threshold)
+
+	fcs.advance(0, 3, map[int]cid.Cid{ // msg at H=6; H=8 (confidence=2)
+		0: fcs.fakeMsgs(fakeMsg{
+			bmsgs: []*types.Message{
+				{To: t0123, From: t0123, Method: 5, Nonce: 1},
+			},
+		}),
+	})
+
+	require.Equal(t, false, applied)
+	require.Equal(t, false, reverted)
+
+	// create additional blocks so we are above confidence threshold, but with null tipset at the height
+	// of application
+
+	fcs.advance(0, 3, nil, 10) // H=11 (confidence=3, apply)
+
+	require.Equal(t, true, applied)
+	require.Equal(t, false, reverted)
+	applied = false
+
+	fcs.advance(5, 1, nil, 10)
+
+	require.Equal(t, false, applied)
+	require.Equal(t, true, reverted)
+}
+
+func TestRemoveTriggersOnMessage(t *testing.T) {
+	fcs := &fakeCS{
+		t: t,
+		h: 1,
+
+		msgs:    map[cid.Cid]fakeMsg{},
+		blkMsgs: map[cid.Cid]cid.Cid{},
+		tsc:     newTSCache(2*build.ForkLengthThreshold, nil),
+	}
+	require.NoError(t, fcs.tsc.add(fcs.makeTs(t, nil, 1, dummyCid)))
+
+	events := NewEvents(context.Background(), fcs)
+
+	t0123, err := address.NewFromString("t0123")
+	require.NoError(t, err)
+
+	more := true
+	var applied, reverted bool
+
+	err = events.Called(func(ts *types.TipSet) (d bool, m bool, e error) {
+		return false, true, nil
+	}, func(msg *types.Message, rec *types.MessageReceipt, ts *types.TipSet, curH abi.ChainEpoch) (bool, error) {
+		require.Equal(t, false, applied)
+		fmt.Println(msg == nil)
+		fmt.Println(curH)
+		applied = true
+		return more, nil
+	}, func(_ context.Context, ts *types.TipSet) error {
+		reverted = true
+		return nil
+	}, 3, 20, matchAddrMethod(t0123, 5))
+	require.NoError(t, err)
+
+	// create few blocks to make sure nothing get's randomly called
+
+	fcs.advance(0, 4, nil) // H=5
+	require.Equal(t, false, applied)
+	require.Equal(t, false, reverted)
+
+	// create blocks with message (but below confidence threshold)
+
+	fcs.advance(0, 3, map[int]cid.Cid{ // msg occurs at H=5, applied at H=6; H=8 (confidence=2)
+		0: fcs.fakeMsgs(fakeMsg{
+			bmsgs: []*types.Message{
+				{To: t0123, From: t0123, Method: 5, Nonce: 1},
+			},
+		}),
+	})
+
+	require.Equal(t, false, applied)
+	require.Equal(t, false, reverted)
+
+	// revert applied TS & message TS
+	fcs.advance(3, 1, nil) // H=6 (tipset message applied in reverted, AND message reverted)
+	require.Equal(t, false, applied)
+	require.Equal(t, false, reverted)
+
+	// create additional blocks so we are above confidence threshold, but message not applied
+	// as it was reverted
+	fcs.advance(0, 5, nil) // H=11 (confidence=3, apply)
+	require.Equal(t, false, applied)
+	require.Equal(t, false, reverted)
+
+	// create blocks with message again (but below confidence threshold)
+
+	fcs.advance(0, 3, map[int]cid.Cid{ // msg occurs at H=12, applied at H=13; H=15 (confidence=2)
+		0: fcs.fakeMsgs(fakeMsg{
+			bmsgs: []*types.Message{
+				{To: t0123, From: t0123, Method: 5, Nonce: 2},
+			},
+		}),
+	})
+	require.Equal(t, false, applied)
+	require.Equal(t, false, reverted)
+
+	// revert applied height TS, but don't remove message trigger
+	fcs.advance(2, 1, nil) // H=13 (tipset message applied in reverted, by tipset with message not reverted)
+	require.Equal(t, false, applied)
+	require.Equal(t, false, reverted)
+
+	// create additional blocks so we are above confidence threshold
+	fcs.advance(0, 4, nil) // H=18 (confidence=3, apply)
+
+	require.Equal(t, true, applied)
+	require.Equal(t, false, reverted)
+}
@@ -3,12 +3,13 @@ package events
 import (
 	"context"

+	"github.com/filecoin-project/specs-actors/actors/abi"
 	"golang.org/x/xerrors"

 	"github.com/filecoin-project/lotus/chain/types"
 )

-type tsByHFunc func(context.Context, uint64, *types.TipSet) (*types.TipSet, error)
+type tsByHFunc func(context.Context, abi.ChainEpoch, types.TipSetKey) (*types.TipSet, error)

 // tipSetCache implements a simple ring-buffer cache to keep track of recent
 // tipsets
@@ -20,7 +21,7 @@ type tipSetCache struct {
 	storage tsByHFunc
 }

-func newTSCache(cap int, storage tsByHFunc) *tipSetCache {
+func newTSCache(cap abi.ChainEpoch, storage tsByHFunc) *tipSetCache {
 	return &tipSetCache{
 		cache: make([]*types.TipSet, cap),
 		start: 0,
@@ -77,7 +78,7 @@ func (tsc *tipSetCache) revert(ts *types.TipSet) error {
 	return nil
 }

-func (tsc *tipSetCache) getNonNull(height uint64) (*types.TipSet, error) {
+func (tsc *tipSetCache) getNonNull(height abi.ChainEpoch) (*types.TipSet, error) {
 	for {
 		ts, err := tsc.get(height)
 		if err != nil {
@@ -90,10 +91,10 @@ func (tsc *tipSetCache) getNonNull(height uint64) (*types.TipSet, error) {
 	}
 }

-func (tsc *tipSetCache) get(height uint64) (*types.TipSet, error) {
+func (tsc *tipSetCache) get(height abi.ChainEpoch) (*types.TipSet, error) {
 	if tsc.len == 0 {
 		log.Warnf("tipSetCache.get: cache is empty, requesting from storage (h=%d)", height)
-		return tsc.storage(context.TODO(), height, nil)
+		return tsc.storage(context.TODO(), height, types.EmptyTSK)
 	}

 	headH := tsc.cache[tsc.start].Height()
@@ -113,7 +114,7 @@ func (tsc *tipSetCache) get(height uint64) (*types.TipSet, error) {

 	if height < tail.Height() {
 		log.Warnf("tipSetCache.get: requested tipset not in cache, requesting from storage (h=%d; tail=%d)", height, tail.Height())
-		return tsc.storage(context.TODO(), height, tail)
+		return tsc.storage(context.TODO(), height, tail.Key())
 	}

 	return tsc.cache[normalModulo(tsc.start-int(headH-height), clen)], nil
@@ -4,6 +4,8 @@ import (
 	"context"
 	"testing"

+	"github.com/filecoin-project/specs-actors/actors/abi"
+	"github.com/filecoin-project/specs-actors/actors/crypto"
 	"github.com/stretchr/testify/require"

 	"github.com/filecoin-project/go-address"
@@ -11,12 +13,12 @@ import (
 )

 func TestTsCache(t *testing.T) {
-	tsc := newTSCache(50, func(context.Context, uint64, *types.TipSet) (*types.TipSet, error) {
+	tsc := newTSCache(50, func(context.Context, abi.ChainEpoch, types.TipSetKey) (*types.TipSet, error) {
 		t.Fatal("storage call")
 		return &types.TipSet{}, nil
 	})

-	h := uint64(75)
+	h := abi.ChainEpoch(75)

 	a, _ := address.NewFromString("t00")

@@ -27,8 +29,8 @@ func TestTsCache(t *testing.T) {
 			ParentStateRoot:       dummyCid,
 			Messages:              dummyCid,
 			ParentMessageReceipts: dummyCid,
-			BlockSig:              &types.Signature{Type: types.KTBLS},
-			BLSAggregate:          types.Signature{Type: types.KTBLS},
+			BlockSig:              &crypto.Signature{Type: crypto.SigTypeBLS},
+			BLSAggregate:          &crypto.Signature{Type: crypto.SigTypeBLS},
 		}})
 		if err != nil {
 			t.Fatal(err)
@@ -54,12 +56,12 @@ func TestTsCache(t *testing.T) {
 }

 func TestTsCacheNulls(t *testing.T) {
-	tsc := newTSCache(50, func(context.Context, uint64, *types.TipSet) (*types.TipSet, error) {
+	tsc := newTSCache(50, func(context.Context, abi.ChainEpoch, types.TipSetKey) (*types.TipSet, error) {
 		t.Fatal("storage call")
 		return &types.TipSet{}, nil
 	})

-	h := uint64(75)
+	h := abi.ChainEpoch(75)

 	a, _ := address.NewFromString("t00")
 	add := func() {
@@ -69,8 +71,8 @@ func TestTsCacheNulls(t *testing.T) {
 			ParentStateRoot:       dummyCid,
 			Messages:              dummyCid,
 			ParentMessageReceipts: dummyCid,
-			BlockSig:              &types.Signature{Type: types.KTBLS},
-			BLSAggregate:          types.Signature{Type: types.KTBLS},
+			BlockSig:              &crypto.Signature{Type: crypto.SigTypeBLS},
+			BLSAggregate:          &crypto.Signature{Type: crypto.SigTypeBLS},
 		}})
 		if err != nil {
 			t.Fatal(err)
@@ -5,15 +5,14 @@ import (

 	"golang.org/x/xerrors"

-	"github.com/filecoin-project/lotus/chain/store"
 	"github.com/filecoin-project/lotus/chain/types"
 )

-func (e *calledEvents) CheckMsg(ctx context.Context, smsg store.ChainMsg, hnd CalledHandler) CheckFunc {
+func (e *calledEvents) CheckMsg(ctx context.Context, smsg types.ChainMsg, hnd CalledHandler) CheckFunc {
 	msg := smsg.VMMessage()

 	return func(ts *types.TipSet) (done bool, more bool, err error) {
-		fa, err := e.cs.StateGetActor(ctx, msg.From, ts)
+		fa, err := e.cs.StateGetActor(ctx, msg.From, ts.Key())
 		if err != nil {
 			return false, true, err
 		}
@@ -23,7 +22,7 @@ func (e *calledEvents) CheckMsg(ctx context.Context, smsg store.ChainMsg, hnd Ca
 			return false, true, nil
 		}

-		rec, err := e.cs.StateGetReceipt(ctx, smsg.VMMessage().Cid(), ts)
+		rec, err := e.cs.StateGetReceipt(ctx, smsg.VMMessage().Cid(), ts.Key())
 		if err != nil {
 			return false, true, xerrors.Errorf("getting receipt in CheckMsg: %w", err)
 		}
@@ -37,7 +36,7 @@ func (e *calledEvents) CheckMsg(ctx context.Context, smsg store.ChainMsg, hnd Ca
 func (e *calledEvents) MatchMsg(inmsg *types.Message) MatchFunc {
 	return func(msg *types.Message) (bool, error) {
 		if msg.From == inmsg.From && msg.Nonce == inmsg.Nonce && !inmsg.Equals(msg) {
-			return false, xerrors.Errorf("matching msg %s from %s, nonce %d: got duplicate origin/nonce msg %s", inmsg.Cid(), inmsg.From, inmsg.Nonce, msg.Nonce)
+			return false, xerrors.Errorf("matching msg %s from %s, nonce %d: got duplicate origin/nonce msg %d", inmsg.Cid(), inmsg.From, inmsg.Nonce, msg.Nonce)
 		}

 		return inmsg.Equals(msg), nil
@@ -3,39 +3,42 @@ package gen
 import (
 	"bytes"
 	"context"
-	"crypto/sha256"
-	"encoding/binary"
 	"fmt"
-	"github.com/filecoin-project/lotus/chain/vm"
 	"io/ioutil"
 	"sync/atomic"
+	"time"

-	ffi "github.com/filecoin-project/filecoin-ffi"
-
-	sectorbuilder "github.com/filecoin-project/go-sectorbuilder"
+	"github.com/filecoin-project/go-address"
+	commcid "github.com/filecoin-project/go-fil-commcid"
+	"github.com/filecoin-project/specs-actors/actors/abi"
+	saminer "github.com/filecoin-project/specs-actors/actors/builtin/miner"
+	"github.com/filecoin-project/specs-actors/actors/crypto"
+	block "github.com/ipfs/go-block-format"
 	"github.com/ipfs/go-blockservice"
-	"github.com/ipfs/go-car"
+	"github.com/ipfs/go-cid"
+	blockstore "github.com/ipfs/go-ipfs-blockstore"
 	offline "github.com/ipfs/go-ipfs-exchange-offline"
+	format "github.com/ipfs/go-ipld-format"
+	logging "github.com/ipfs/go-log/v2"
 	"github.com/ipfs/go-merkledag"
-	peer "github.com/libp2p/go-libp2p-core/peer"
+	"github.com/ipld/go-car"
 	"go.opencensus.io/trace"
 	"golang.org/x/xerrors"

-	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/lotus/api"
 	"github.com/filecoin-project/lotus/build"
+	"github.com/filecoin-project/lotus/chain/beacon"
+	genesis2 "github.com/filecoin-project/lotus/chain/gen/genesis"
 	"github.com/filecoin-project/lotus/chain/stmgr"
 	"github.com/filecoin-project/lotus/chain/store"
 	"github.com/filecoin-project/lotus/chain/types"
+	"github.com/filecoin-project/lotus/chain/vm"
 	"github.com/filecoin-project/lotus/chain/wallet"
 	"github.com/filecoin-project/lotus/cmd/lotus-seed/seed"
 	"github.com/filecoin-project/lotus/genesis"
+	"github.com/filecoin-project/lotus/lib/sigs"
 	"github.com/filecoin-project/lotus/node/repo"
-
-	block "github.com/ipfs/go-block-format"
-	"github.com/ipfs/go-cid"
-	blockstore "github.com/ipfs/go-ipfs-blockstore"
-	logging "github.com/ipfs/go-log/v2"
+	"github.com/filecoin-project/sector-storage/ffiwrapper"
 )

 var log = logging.Logger("gen")
@@ -49,16 +52,20 @@ type ChainGen struct {

 	cs *store.ChainStore

+	beacon beacon.RandomBeacon
+
 	sm *stmgr.StateManager

 	genesis   *types.BlockHeader
 	CurTipset *store.FullTipSet

-	Timestamper func(*types.TipSet, uint64) uint64
+	Timestamper func(*types.TipSet, abi.ChainEpoch) uint64
+
+	GetMessages func(*ChainGen) ([]*types.SignedMessage, error)

 	w *wallet.Wallet

-	eppProvs    map[address.Address]ElectionPoStProver
+	eppProvs    map[address.Address]WinningPoStProver
 	Miners      []address.Address
 	receivers   []address.Address
 	banker      address.Address
@@ -81,7 +88,11 @@ func (m mybs) Get(c cid.Cid) (block.Block, error) {
 	return b, nil
 }

-func NewGenerator() (*ChainGen, error) {
+func NewGeneratorWithSectors(numSectors int) (*ChainGen, error) {
+	saminer.SupportedProofTypes = map[abi.RegisteredProof]struct{}{
+		abi.RegisteredProof_StackedDRG2KiBSeal: {},
+	}
+
 	mr := repo.NewMemory(nil)
 	lr, err := mr.Lock(repo.StorageMiner)
 	if err != nil {
@@ -93,7 +104,7 @@ func NewGenerator() (*ChainGen, error) {
 		return nil, xerrors.Errorf("failed to get metadata datastore: %w", err)
 	}

-	bds, err := lr.Datastore("/blocks")
+	bds, err := lr.Datastore("/chain")
 	if err != nil {
 		return nil, xerrors.Errorf("failed to get blocks datastore: %w", err)
 	}
@@ -110,74 +121,81 @@ func NewGenerator() (*ChainGen, error) {
 		return nil, xerrors.Errorf("creating memrepo wallet failed: %w", err)
 	}

-	banker, err := w.GenerateKey(types.KTSecp256k1)
+	banker, err := w.GenerateKey(crypto.SigTypeSecp256k1)
 	if err != nil {
 		return nil, xerrors.Errorf("failed to generate banker key: %w", err)
 	}

 	receievers := make([]address.Address, msgsPerBlock)
 	for r := range receievers {
-		receievers[r], err = w.GenerateKey(types.KTBLS)
+		receievers[r], err = w.GenerateKey(crypto.SigTypeBLS)
 		if err != nil {
 			return nil, xerrors.Errorf("failed to generate receiver key: %w", err)
 		}
 	}

-	maddr1, err := address.NewFromString("t0300")
-	if err != nil {
-		return nil, err
-	}
+	maddr1 := genesis2.MinerAddress(0)

 	m1temp, err := ioutil.TempDir("", "preseal")
 	if err != nil {
 		return nil, err
 	}

-	genm1, err := seed.PreSeal(maddr1, 1024, 0, 1, m1temp, []byte("some randomness"))
+	genm1, k1, err := seed.PreSeal(maddr1, abi.RegisteredProof_StackedDRG2KiBPoSt, 0, numSectors, m1temp, []byte("some randomness"), nil)
 	if err != nil {
 		return nil, err
 	}

-	maddr2, err := address.NewFromString("t0301")
-	if err != nil {
-		return nil, err
-	}
+	maddr2 := genesis2.MinerAddress(1)

 	m2temp, err := ioutil.TempDir("", "preseal")
 	if err != nil {
 		return nil, err
 	}

-	genm2, err := seed.PreSeal(maddr2, 1024, 0, 1, m2temp, []byte("some randomness"))
+	genm2, k2, err := seed.PreSeal(maddr2, abi.RegisteredProof_StackedDRG2KiBPoSt, 0, numSectors, m2temp, []byte("some randomness"), nil)
 	if err != nil {
 		return nil, err
 	}

-	mk1, err := w.Import(&genm1.Key)
+	mk1, err := w.Import(k1)
 	if err != nil {
 		return nil, err
 	}
-	mk2, err := w.Import(&genm2.Key)
+	mk2, err := w.Import(k2)
 	if err != nil {
 		return nil, err
 	}

-	minercfg := &GenMinerCfg{
-		PeerIDs: []peer.ID{"peerID1", "peerID2"},
-		PreSeals: map[string]genesis.GenesisMiner{
-			maddr1.String(): *genm1,
-			maddr2.String(): *genm2,
+	sys := vm.Syscalls(&genFakeVerifier{})
+
+	tpl := genesis.Template{
+		Accounts: []genesis.Actor{
+			{
+				Type:    genesis.TAccount,
+				Balance: types.FromFil(40000),
+				Meta:    (&genesis.AccountMeta{Owner: mk1}).ActorMeta(),
+			},
+			{
+				Type:    genesis.TAccount,
+				Balance: types.FromFil(40000),
+				Meta:    (&genesis.AccountMeta{Owner: mk2}).ActorMeta(),
+			},
+			{
+				Type:    genesis.TAccount,
+				Balance: types.FromFil(50000),
+				Meta:    (&genesis.AccountMeta{Owner: banker}).ActorMeta(),
+			},
 		},
-		MinerAddrs: []address.Address{maddr1, maddr2},
+		Miners: []genesis.Miner{
+			*genm1,
+			*genm2,
+		},
+		NetworkName: "",
+		Timestamp:   uint64(time.Now().Add(-500 * build.BlockDelay * time.Second).Unix()),
 	}

-	sys := vm.Syscalls(sectorbuilder.ProofVerifier)
-
-	genb, err := MakeGenesisBlock(bs, sys, map[address.Address]types.BigInt{
-		mk1:    types.FromFil(40000),
-		mk2:    types.FromFil(40000),
-		banker: types.FromFil(50000),
-	}, minercfg, 100000)
+	genb, err := genesis2.MakeGenesisBlock(context.TODO(), bs, sys, tpl)
 	if err != nil {
 		return nil, xerrors.Errorf("make genesis block failed: %w", err)
 	}
@@ -191,29 +209,35 @@ func NewGenerator() (*ChainGen, error) {
 		return nil, xerrors.Errorf("set genesis failed: %w", err)
 	}

-	if len(minercfg.MinerAddrs) == 0 {
-		return nil, xerrors.Errorf("MakeGenesisBlock failed to set miner address")
-	}
-
-	mgen := make(map[address.Address]ElectionPoStProver)
-	for _, m := range minercfg.MinerAddrs {
-		mgen[m] = &eppProvider{}
+	mgen := make(map[address.Address]WinningPoStProver)
+	for i := range tpl.Miners {
+		mgen[genesis2.MinerAddress(uint64(i))] = &wppProvider{}
 	}

 	sm := stmgr.NewStateManager(cs)

+	miners := []address.Address{maddr1, maddr2}
+
+	beac := beacon.NewMockBeacon(time.Second)
+	//beac, err := drand.NewDrandBeacon(tpl.Timestamp, build.BlockDelay)
+	//if err != nil {
+	//return nil, xerrors.Errorf("creating drand beacon: %w", err)
+	//}
+
 	gen := &ChainGen{
 		bs:           bs,
 		cs:           cs,
 		sm:           sm,
 		msgsPerBlock: msgsPerBlock,
 		genesis:      genb.Genesis,
+		beacon:       beac,
 		w:            w,

-		Miners:    minercfg.MinerAddrs,
-		eppProvs:  mgen,
-		banker:    banker,
-		receivers: receievers,
+		GetMessages: getRandomMessages,
+		Miners:      miners,
+		eppProvs:    mgen,
+		banker:      banker,
+		receivers:   receievers,

 		CurTipset: gents,

@@ -224,6 +248,18 @@ func NewGenerator() (*ChainGen, error) {
 	return gen, nil
 }

+func NewGenerator() (*ChainGen, error) {
+	return NewGeneratorWithSectors(1)
+}
+
+func (cg *ChainGen) SetStateManager(sm *stmgr.StateManager) {
+	cg.sm = sm
+}
+
+func (cg *ChainGen) ChainStore() *store.ChainStore {
+	return cg.cs
+}
+
 func (cg *ChainGen) Genesis() *types.BlockHeader {
 	return cg.genesis
 }
@@ -235,46 +271,76 @@ func (cg *ChainGen) GenesisCar() ([]byte, error) {

 	out := new(bytes.Buffer)

-	if err := car.WriteCar(context.TODO(), dserv, []cid.Cid{cg.Genesis().Cid()}, out); err != nil {
+	if err := car.WriteCarWithWalker(context.TODO(), dserv, []cid.Cid{cg.Genesis().Cid()}, out, CarWalkFunc); err != nil {
 		return nil, xerrors.Errorf("genesis car write car failed: %w", err)
 	}

 	return out.Bytes(), nil
 }

-func (cg *ChainGen) nextBlockProof(ctx context.Context, pts *types.TipSet, m address.Address, round int64) (*types.EPostProof, *types.Ticket, error) {
+func CarWalkFunc(nd format.Node) (out []*format.Link, err error) {
+	for _, link := range nd.Links() {
+		if link.Cid.Prefix().MhType == uint64(commcid.FC_SEALED_V1) || link.Cid.Prefix().MhType == uint64(commcid.FC_UNSEALED_V1) {
+			continue
+		}
+		out = append(out, link)
+	}

-	lastTicket := pts.MinTicket()
+	return out, nil
+}
+
+func (cg *ChainGen) nextBlockProof(ctx context.Context, pts *types.TipSet, m address.Address, round abi.ChainEpoch) ([]types.BeaconEntry, *types.ElectionProof, *types.Ticket, error) {
+	mc := &mca{w: cg.w, sm: cg.sm, pv: ffiwrapper.ProofVerifier, bcn: cg.beacon}
+
+	mbi, err := mc.MinerGetBaseInfo(ctx, m, round, pts.Key())
+	if err != nil {
+		return nil, nil, nil, xerrors.Errorf("get miner base info: %w", err)
+	}
+
+	prev := mbi.PrevBeaconEntry
+
+	entries, err := beacon.BeaconEntriesForBlock(ctx, cg.beacon, round, prev)
+	if err != nil {
+		return nil, nil, nil, xerrors.Errorf("get beacon entries for block: %w", err)
+	}
+
+	rbase := prev
+	if len(entries) > 0 {
+		rbase = entries[len(entries)-1]
+	}
+
+	eproof, err := IsRoundWinner(ctx, pts, round, m, rbase, mbi, mc)
+	if err != nil {
+		return nil, nil, nil, xerrors.Errorf("checking round winner failed: %w", err)
+	}
+
+	buf := new(bytes.Buffer)
+	if err := m.MarshalCBOR(buf); err != nil {
+		return nil, nil, nil, xerrors.Errorf("failed to cbor marshal address: %w", err)
+	}
+
+	if len(entries) == 0 {
+		buf.Write(pts.MinTicket().VRFProof)
+	}
+
+	ticketRand, err := store.DrawRandomness(rbase.Data, crypto.DomainSeparationTag_TicketProduction, round-build.TicketRandomnessLookback, buf.Bytes())
+	if err != nil {
+		return nil, nil, nil, err
+	}

 	st := pts.ParentState()

 	worker, err := stmgr.GetMinerWorkerRaw(ctx, cg.sm, st, m)
 	if err != nil {
-		return nil, nil, xerrors.Errorf("get miner worker: %w", err)
+		return nil, nil, nil, xerrors.Errorf("get miner worker: %w", err)
 	}

-	vrfout, err := ComputeVRF(ctx, cg.w.Sign, worker, m, DSepTicket, lastTicket.VRFProof)
+	vrfout, err := ComputeVRF(ctx, cg.w.Sign, worker, ticketRand)
 	if err != nil {
-		return nil, nil, xerrors.Errorf("compute VRF: %w", err)
+		return nil, nil, nil, xerrors.Errorf("compute VRF: %w", err)
 	}

-	tick := &types.Ticket{
-		VRFProof: vrfout,
-	}
-
-	eproofin, err := IsRoundWinner(ctx, pts, round, m, cg.eppProvs[m], &mca{w: cg.w, sm: cg.sm})
-	if err != nil {
-		return nil, nil, xerrors.Errorf("checking round winner failed: %w", err)
-	}
-	if eproofin == nil {
-		return nil, tick, nil
-	}
-	eproof, err := ComputeProof(ctx, cg.eppProvs[m], eproofin)
-	if err != nil {
-		return nil, nil, xerrors.Errorf("computing proof: %w", err)
-	}
-
-	return eproof, tick, nil
+	return entries, eproof, &types.Ticket{VRFProof: vrfout}, nil
 }

 type MinedTipSet struct {
@@ -295,20 +361,26 @@ func (cg *ChainGen) NextTipSet() (*MinedTipSet, error) {
 func (cg *ChainGen) NextTipSetFromMiners(base *types.TipSet, miners []address.Address) (*MinedTipSet, error) {
 	var blks []*types.FullBlock

-	msgs, err := cg.getRandomMessages()
+	msgs, err := cg.GetMessages(cg)
 	if err != nil {
 		return nil, xerrors.Errorf("get random messages: %w", err)
 	}

-	for round := int64(base.Height() + 1); len(blks) == 0; round++ {
+	for round := base.Height() + 1; len(blks) == 0; round++ {
 		for _, m := range miners {
-			proof, t, err := cg.nextBlockProof(context.TODO(), base, m, round)
+			bvals, et, ticket, err := cg.nextBlockProof(context.TODO(), base, m, round)
 			if err != nil {
 				return nil, xerrors.Errorf("next block proof: %w", err)
 			}

-			if proof != nil {
-				fblk, err := cg.makeBlock(base, m, proof, t, uint64(round), msgs)
+			if et != nil {
+				// TODO: maybe think about passing in more real parameters to this?
+				wpost, err := cg.eppProvs[m].ComputeProof(context.TODO(), nil, nil)
+				if err != nil {
+					return nil, err
+				}
+
+				fblk, err := cg.makeBlock(base, m, ticket, et, bvals, round, wpost, msgs)
 				if err != nil {
 					return nil, xerrors.Errorf("making a block for next tipset failed: %w", err)
 				}
@@ -330,16 +402,28 @@ func (cg *ChainGen) NextTipSetFromMiners(base *types.TipSet, miners []address.Ad
 	}, nil
 }

-func (cg *ChainGen) makeBlock(parents *types.TipSet, m address.Address, eproof *types.EPostProof, ticket *types.Ticket, height uint64, msgs []*types.SignedMessage) (*types.FullBlock, error) {
+func (cg *ChainGen) makeBlock(parents *types.TipSet, m address.Address, vrfticket *types.Ticket,
+	eticket *types.ElectionProof, bvals []types.BeaconEntry, height abi.ChainEpoch,
+	wpost []abi.PoStProof, msgs []*types.SignedMessage) (*types.FullBlock, error) {

 	var ts uint64
 	if cg.Timestamper != nil {
 		ts = cg.Timestamper(parents, height-parents.Height())
 	} else {
-		ts = parents.MinTimestamp() + ((height - parents.Height()) * build.BlockDelay)
+		ts = parents.MinTimestamp() + uint64((height-parents.Height())*build.BlockDelay)
 	}

-	fblk, err := MinerCreateBlock(context.TODO(), cg.sm, cg.w, m, parents, ticket, eproof, msgs, height, ts)
+	fblk, err := MinerCreateBlock(context.TODO(), cg.sm, cg.w, &api.BlockTemplate{
+		Miner:            m,
+		Parents:          parents.Key(),
+		Ticket:           vrfticket,
+		Eproof:           eticket,
+		BeaconValues:     bvals,
+		Messages:         msgs,
+		Epoch:            height,
+		Timestamp:        ts,
+		WinningPoStProof: wpost,
+	})
 	if err != nil {
 		return nil, err
 	}
@@ -347,7 +431,7 @@ func (cg *ChainGen) makeBlock(parents *types.TipSet, m address.Address, eproof *
 	return fblk, err
 }

-// This function is awkward. It's used to deal with messages made when
+// ResyncBankerNonce is used for dealing with messages made when
 // simulating forks
 func (cg *ChainGen) ResyncBankerNonce(ts *types.TipSet) error {
 	act, err := cg.sm.GetActor(cg.banker, ts)
@@ -359,7 +443,15 @@ func (cg *ChainGen) ResyncBankerNonce(ts *types.TipSet) error {
 	return nil
 }

-func (cg *ChainGen) getRandomMessages() ([]*types.SignedMessage, error) {
+func (cg *ChainGen) Banker() address.Address {
+	return cg.banker
+}
+
+func (cg *ChainGen) Wallet() *wallet.Wallet {
+	return cg.w
+}
+
+func getRandomMessages(cg *ChainGen) ([]*types.SignedMessage, error) {
 	msgs := make([]*types.SignedMessage, cg.msgsPerBlock)
 	for m := range msgs {
 		msg := types.Message{
@@ -372,7 +464,7 @@ func (cg *ChainGen) getRandomMessages() ([]*types.SignedMessage, error) {

 			Method: 0,

-			GasLimit: types.NewInt(10000),
+			GasLimit: 10000,
 			GasPrice: types.NewInt(0),
 		}

@@ -398,240 +490,127 @@ func (cg *ChainGen) YieldRepo() (repo.Repo, error) {
 }

 type MiningCheckAPI interface {
-	ChainGetRandomness(context.Context, types.TipSetKey, int64) ([]byte, error)
+	ChainGetRandomness(ctx context.Context, tsk types.TipSetKey, personalization crypto.DomainSeparationTag, randEpoch abi.ChainEpoch, entropy []byte) (abi.Randomness, error)

-	StateMinerPower(context.Context, address.Address, *types.TipSet) (api.MinerPower, error)
+	MinerGetBaseInfo(context.Context, address.Address, abi.ChainEpoch, types.TipSetKey) (*api.MiningBaseInfo, error)

-	StateMinerWorker(context.Context, address.Address, *types.TipSet) (address.Address, error)
-
-	StateMinerSectorSize(context.Context, address.Address, *types.TipSet) (uint64, error)
-
-	StateMinerProvingSet(context.Context, address.Address, *types.TipSet) ([]*api.ChainSectorInfo, error)
-
-	WalletSign(context.Context, address.Address, []byte) (*types.Signature, error)
+	WalletSign(context.Context, address.Address, []byte) (*crypto.Signature, error)
 }

 type mca struct {
-	w  *wallet.Wallet
-	sm *stmgr.StateManager
+	w   *wallet.Wallet
+	sm  *stmgr.StateManager
+	pv  ffiwrapper.Verifier
+	bcn beacon.RandomBeacon
 }

-func (mca mca) ChainGetRandomness(ctx context.Context, pts types.TipSetKey, lb int64) ([]byte, error) {
-	return mca.sm.ChainStore().GetRandomness(ctx, pts.Cids(), int64(lb))
-}
-
-func (mca mca) StateMinerPower(ctx context.Context, maddr address.Address, ts *types.TipSet) (api.MinerPower, error) {
-	mpow, tpow, err := stmgr.GetPower(ctx, mca.sm, ts, maddr)
+func (mca mca) ChainGetRandomness(ctx context.Context, tsk types.TipSetKey, personalization crypto.DomainSeparationTag, randEpoch abi.ChainEpoch, entropy []byte) (abi.Randomness, error) {
+	pts, err := mca.sm.ChainStore().LoadTipSet(tsk)
 	if err != nil {
-		return api.MinerPower{}, err
+		return nil, xerrors.Errorf("loading tipset key: %w", err)
 	}

-	return api.MinerPower{
-		MinerPower: mpow,
-		TotalPower: tpow,
-	}, err
+	return mca.sm.ChainStore().GetRandomness(ctx, pts.Cids(), personalization, randEpoch, entropy)
 }

-func (mca mca) StateMinerWorker(ctx context.Context, maddr address.Address, ts *types.TipSet) (address.Address, error) {
-	return stmgr.GetMinerWorkerRaw(ctx, mca.sm, ts.ParentState(), maddr)
+func (mca mca) MinerGetBaseInfo(ctx context.Context, maddr address.Address, epoch abi.ChainEpoch, tsk types.TipSetKey) (*api.MiningBaseInfo, error) {
+	return stmgr.MinerGetBaseInfo(ctx, mca.sm, mca.bcn, tsk, epoch, maddr, mca.pv)
 }

-func (mca mca) StateMinerSectorSize(ctx context.Context, maddr address.Address, ts *types.TipSet) (uint64, error) {
-	return stmgr.GetMinerSectorSize(ctx, mca.sm, ts, maddr)
-}
-
-func (mca mca) StateMinerProvingSet(ctx context.Context, maddr address.Address, ts *types.TipSet) ([]*api.ChainSectorInfo, error) {
-	return stmgr.GetMinerProvingSet(ctx, mca.sm, ts, maddr)
-}
-
-func (mca mca) WalletSign(ctx context.Context, a address.Address, v []byte) (*types.Signature, error) {
+func (mca mca) WalletSign(ctx context.Context, a address.Address, v []byte) (*crypto.Signature, error) {
 	return mca.w.Sign(ctx, a, v)
 }

-type ElectionPoStProver interface {
-	GenerateCandidates(context.Context, sectorbuilder.SortedPublicSectorInfo, []byte) ([]sectorbuilder.EPostCandidate, error)
-	ComputeProof(context.Context, sectorbuilder.SortedPublicSectorInfo, []byte, []sectorbuilder.EPostCandidate) ([]byte, error)
+type WinningPoStProver interface {
+	GenerateCandidates(context.Context, abi.PoStRandomness, uint64) ([]uint64, error)
+	ComputeProof(context.Context, []abi.SectorInfo, abi.PoStRandomness) ([]abi.PoStProof, error)
 }

-type eppProvider struct{}
+type wppProvider struct{}

-func (epp *eppProvider) GenerateCandidates(ctx context.Context, _ sectorbuilder.SortedPublicSectorInfo, eprand []byte) ([]sectorbuilder.EPostCandidate, error) {
-	return []sectorbuilder.EPostCandidate{
-		{
-			SectorID:             1,
-			PartialTicket:        [32]byte{},
-			Ticket:               [32]byte{},
-			SectorChallengeIndex: 1,
-		},
-	}, nil
+func (wpp *wppProvider) GenerateCandidates(ctx context.Context, _ abi.PoStRandomness, _ uint64) ([]uint64, error) {
+	return []uint64{0}, nil
 }

-func (epp *eppProvider) ComputeProof(ctx context.Context, _ sectorbuilder.SortedPublicSectorInfo, eprand []byte, winners []sectorbuilder.EPostCandidate) ([]byte, error) {
-
-	return []byte("valid proof"), nil
+func (wpp *wppProvider) ComputeProof(context.Context, []abi.SectorInfo, abi.PoStRandomness) ([]abi.PoStProof, error) {
+	return []abi.PoStProof{{
+		ProofBytes: []byte("valid proof"),
+	}}, nil
 }

-type ProofInput struct {
-	sectors sectorbuilder.SortedPublicSectorInfo
-	hvrf    []byte
-	winners []sectorbuilder.EPostCandidate
-	vrfout  []byte
-}
+func IsRoundWinner(ctx context.Context, ts *types.TipSet, round abi.ChainEpoch,
+	miner address.Address, brand types.BeaconEntry, mbi *api.MiningBaseInfo, a MiningCheckAPI) (*types.ElectionProof, error) {

-func IsRoundWinner(ctx context.Context, ts *types.TipSet, round int64, miner address.Address, epp ElectionPoStProver, a MiningCheckAPI) (*ProofInput, error) {
-	r, err := a.ChainGetRandomness(ctx, ts.Key(), round-build.EcRandomnessLookback)
-	if err != nil {
-		return nil, xerrors.Errorf("chain get randomness: %w", err)
+	buf := new(bytes.Buffer)
+	if err := miner.MarshalCBOR(buf); err != nil {
+		return nil, xerrors.Errorf("failed to cbor marshal address: %w")
 	}

-	mworker, err := a.StateMinerWorker(ctx, miner, ts)
+	electionRand, err := store.DrawRandomness(brand.Data, crypto.DomainSeparationTag_ElectionProofProduction, round, buf.Bytes())
 	if err != nil {
-		return nil, xerrors.Errorf("failed to get miner worker: %w", err)
+		return nil, xerrors.Errorf("failed to draw randomness: %w", err)
 	}

-	vrfout, err := ComputeVRF(ctx, a.WalletSign, mworker, miner, DSepElectionPost, r)
+	vrfout, err := ComputeVRF(ctx, a.WalletSign, mbi.WorkerKey, electionRand)
 	if err != nil {
 		return nil, xerrors.Errorf("failed to compute VRF: %w", err)
 	}

-	pset, err := a.StateMinerProvingSet(ctx, miner, ts)
-	if err != nil {
-		return nil, xerrors.Errorf("failed to load proving set for miner: %w", err)
-	}
-	if len(pset) == 0 {
+	// TODO: wire in real power
+	if !types.IsTicketWinner(vrfout, mbi.MinerPower, mbi.NetworkPower) {
 		return nil, nil
 	}

-	var sinfos []ffi.PublicSectorInfo
-	for _, s := range pset {
-		var commRa [32]byte
-		copy(commRa[:], s.CommR)
-		sinfos = append(sinfos, ffi.PublicSectorInfo{
-			SectorID: s.SectorID,
-			CommR:    commRa,
-		})
-	}
-	sectors := sectorbuilder.NewSortedPublicSectorInfo(sinfos)
-
-	hvrf := sha256.Sum256(vrfout)
-	candidates, err := epp.GenerateCandidates(ctx, sectors, hvrf[:])
-	if err != nil {
-		return nil, xerrors.Errorf("failed to generate electionPoSt candidates: %w", err)
-	}
-
-	pow, err := a.StateMinerPower(ctx, miner, ts)
-	if err != nil {
-		return nil, xerrors.Errorf("failed to check power: %w", err)
-	}
-
-	ssize, err := a.StateMinerSectorSize(ctx, miner, ts)
-	if err != nil {
-		return nil, xerrors.Errorf("failed to look up miners sector size: %w", err)
-	}
-
-	var winners []sectorbuilder.EPostCandidate
-	for _, c := range candidates {
-		if types.IsTicketWinner(c.PartialTicket[:], ssize, uint64(len(sinfos)), pow.TotalPower) {
-			winners = append(winners, c)
-		}
-	}
-
-	// no winners, sad
-	if len(winners) == 0 {
-		return nil, nil
-	}
-
-	return &ProofInput{
-		sectors: sectors,
-		hvrf:    hvrf[:],
-		winners: winners,
-		vrfout:  vrfout,
-	}, nil
+	return &types.ElectionProof{VRFProof: vrfout}, nil
 }

-func ComputeProof(ctx context.Context, epp ElectionPoStProver, pi *ProofInput) (*types.EPostProof, error) {
-	proof, err := epp.ComputeProof(ctx, pi.sectors, pi.hvrf, pi.winners)
-	if err != nil {
-		return nil, xerrors.Errorf("failed to compute snark for election proof: %w", err)
-	}
+type SignFunc func(context.Context, address.Address, []byte) (*crypto.Signature, error)

-	ept := types.EPostProof{
-		Proof:    proof,
-		PostRand: pi.vrfout,
-	}
-	for _, win := range pi.winners {
-		part := make([]byte, 32)
-		copy(part, win.PartialTicket[:])
-		ept.Candidates = append(ept.Candidates, types.EPostTicket{
-			Partial:        part,
-			SectorID:       win.SectorID,
-			ChallengeIndex: win.SectorChallengeIndex,
-		})
-	}
-
-	return &ept, nil
-}
-
-type SignFunc func(context.Context, address.Address, []byte) (*types.Signature, error)
-
-const (
-	DSepTicket       = 1
-	DSepElectionPost = 2
-)
-
-func hashVRFBase(personalization uint64, miner address.Address, input []byte) ([]byte, error) {
-	if miner.Protocol() != address.ID {
-		return nil, xerrors.Errorf("miner address for compute VRF must be an ID address")
-	}
-
-	var persbuf [8]byte
-	binary.LittleEndian.PutUint64(persbuf[:], personalization)
-
-	h := sha256.New()
-	h.Write(persbuf[:])
-	h.Write([]byte{0})
-	h.Write(input)
-	h.Write([]byte{0})
-	h.Write(miner.Bytes())
-
-	return h.Sum(nil), nil
-}
-
-func VerifyVRF(ctx context.Context, worker, miner address.Address, p uint64, input, vrfproof []byte) error {
+func VerifyVRF(ctx context.Context, worker address.Address, vrfBase, vrfproof []byte) error {
 	_, span := trace.StartSpan(ctx, "VerifyVRF")
 	defer span.End()

-	vrfBase, err := hashVRFBase(p, miner, input)
-	if err != nil {
-		return xerrors.Errorf("computing vrf base failed: %w", err)
-	}
-
-	sig := &types.Signature{
-		Type: types.KTBLS,
+	sig := &crypto.Signature{
+		Type: crypto.SigTypeBLS,
 		Data: vrfproof,
 	}

-	if err := sig.Verify(worker, vrfBase); err != nil {
+	if err := sigs.Verify(sig, worker, vrfBase); err != nil {
 		return xerrors.Errorf("vrf was invalid: %w", err)
 	}

 	return nil
 }

-func ComputeVRF(ctx context.Context, sign SignFunc, worker, miner address.Address, p uint64, input []byte) ([]byte, error) {
-	sigInput, err := hashVRFBase(p, miner, input)
-	if err != nil {
-		return nil, err
-	}
-
+func ComputeVRF(ctx context.Context, sign SignFunc, worker address.Address, sigInput []byte) ([]byte, error) {
 	sig, err := sign(ctx, worker, sigInput)
 	if err != nil {
 		return nil, err
 	}

-	if sig.Type != types.KTBLS {
+	if sig.Type != crypto.SigTypeBLS {
 		return nil, fmt.Errorf("miner worker address was not a BLS key")
 	}

 	return sig.Data, nil
 }
+
+type genFakeVerifier struct{}
+
+var _ ffiwrapper.Verifier = (*genFakeVerifier)(nil)
+
+func (m genFakeVerifier) VerifySeal(svi abi.SealVerifyInfo) (bool, error) {
+	return true, nil
+}
+
+func (m genFakeVerifier) VerifyWinningPoSt(ctx context.Context, info abi.WinningPoStVerifyInfo) (bool, error) {
+	panic("not supported")
+}
+
+func (m genFakeVerifier) VerifyWindowPoSt(ctx context.Context, info abi.WindowPoStVerifyInfo) (bool, error) {
+	panic("not supported")
+}
+
+func (m genFakeVerifier) GenerateWinningPoStSectorChallenge(ctx context.Context, proof abi.RegisteredProof, id abi.ActorID, randomness abi.PoStRandomness, u uint64) ([]uint64, error) {
+	panic("not supported")
+}
@@ -3,18 +3,28 @@ package gen
 import (
 	"testing"

-	"github.com/filecoin-project/lotus/build"
+	"github.com/filecoin-project/specs-actors/actors/abi"
+	"github.com/filecoin-project/specs-actors/actors/abi/big"
+	"github.com/filecoin-project/specs-actors/actors/builtin/miner"
+	"github.com/filecoin-project/specs-actors/actors/builtin/power"
+	"github.com/filecoin-project/specs-actors/actors/builtin/verifreg"
+
+	_ "github.com/filecoin-project/lotus/lib/sigs/bls"
+	_ "github.com/filecoin-project/lotus/lib/sigs/secp"
 )

 func init() {
-	build.SectorSizes = []uint64{1024}
-	build.MinimumMinerPower = 1024
+	miner.SupportedProofTypes = map[abi.RegisteredProof]struct{}{
+		abi.RegisteredProof_StackedDRG2KiBSeal: {},
+	}
+	power.ConsensusMinerMinPower = big.NewInt(2048)
+	verifreg.MinVerifiedDealSize = big.NewInt(256)
 }

-func testGeneration(t testing.TB, n int, msgs int) {
-	g, err := NewGenerator()
+func testGeneration(t testing.TB, n int, msgs int, sectors int) {
+	g, err := NewGeneratorWithSectors(sectors)
 	if err != nil {
-		t.Fatal(err)
+		t.Fatalf("%+v", err)
 	}

 	g.msgsPerBlock = msgs
@@ -22,30 +32,31 @@ func testGeneration(t testing.TB, n int, msgs int) {
 	for i := 0; i < n; i++ {
 		mts, err := g.NextTipSet()
 		if err != nil {
-			t.Fatalf("error at H:%d, %s", i, err)
+			t.Fatalf("error at H:%d, %+v", i, err)
 		}
 		_ = mts
 	}
 }

 func TestChainGeneration(t *testing.T) {
-	testGeneration(t, 10, 20)
+	testGeneration(t, 10, 20, 1)
+	testGeneration(t, 10, 20, 25)
 }

 func BenchmarkChainGeneration(b *testing.B) {
 	b.Run("0-messages", func(b *testing.B) {
-		testGeneration(b, b.N, 0)
+		testGeneration(b, b.N, 0, 1)
 	})

 	b.Run("10-messages", func(b *testing.B) {
-		testGeneration(b, b.N, 10)
+		testGeneration(b, b.N, 10, 1)
 	})

 	b.Run("100-messages", func(b *testing.B) {
-		testGeneration(b, b.N, 100)
+		testGeneration(b, b.N, 100, 1)
 	})

 	b.Run("1000-messages", func(b *testing.B) {
-		testGeneration(b, b.N, 1000)
+		testGeneration(b, b.N, 1000, 1)
 	})
 }
@@ -0,0 +1,370 @@
+package genesis
+
+import (
+	"context"
+	"encoding/json"
+
+	"github.com/filecoin-project/go-amt-ipld/v2"
+	"github.com/filecoin-project/specs-actors/actors/abi"
+	"github.com/filecoin-project/specs-actors/actors/builtin"
+	"github.com/filecoin-project/specs-actors/actors/builtin/account"
+	"github.com/filecoin-project/specs-actors/actors/builtin/verifreg"
+	"github.com/filecoin-project/specs-actors/actors/runtime"
+	"github.com/ipfs/go-cid"
+	"github.com/ipfs/go-datastore"
+	bstore "github.com/ipfs/go-ipfs-blockstore"
+	cbor "github.com/ipfs/go-ipld-cbor"
+	logging "github.com/ipfs/go-log/v2"
+	"golang.org/x/xerrors"
+
+	"github.com/filecoin-project/go-address"
+
+	"github.com/filecoin-project/lotus/chain/state"
+	"github.com/filecoin-project/lotus/chain/store"
+	"github.com/filecoin-project/lotus/chain/types"
+	"github.com/filecoin-project/lotus/chain/vm"
+	"github.com/filecoin-project/lotus/genesis"
+)
+
+const AccountStart = 100
+const MinerStart = 1000
+const MaxAccounts = MinerStart - AccountStart
+
+var log = logging.Logger("genesis")
+
+type GenesisBootstrap struct {
+	Genesis *types.BlockHeader
+}
+
+/*
+From a list of parameters, create a genesis block / initial state
+
+The process:
+- Bootstrap state (MakeInitialStateTree)
+  - Create empty state
+  - Create system actor
+  - Make init actor
+    - Create accounts mappings
+    - Set NextID to MinerStart
+  - Setup Reward (1.4B fil)
+  - Setup Cron
+  - Create empty power actor
+  - Create empty market
+  - Create verified registry
+  - Setup burnt fund address
+  - Initialize account / msig balances
+- Instantiate early vm with genesis syscalls
+  - Create miners
+    - Each:
+      - power.CreateMiner, set msg value to PowerBalance
+      - market.AddFunds with correct value
+      - market.PublishDeals for related sectors
+      - Set precommits
+      - Commit presealed sectors
+
+Data Types:
+
+PreSeal :{
+  CommR    CID
+  CommD    CID
+  SectorID SectorNumber
+  Deal     market.DealProposal # Start at 0, self-deal!
+}
+
+Genesis: {
+	Accounts: [ # non-miner, non-singleton actors, max len = MaxAccounts
+		{
+			Type: "account" / "multisig",
+			Value: "attofil",
+			[Meta: {msig settings, account key..}]
+		},...
+	],
+	Miners: [
+		{
+			Owner, Worker Addr # ID
+			MarketBalance, PowerBalance TokenAmount
+			SectorSize uint64
+			PreSeals []PreSeal
+		},...
+	],
+}
+
+*/
+
+func MakeInitialStateTree(ctx context.Context, bs bstore.Blockstore, template genesis.Template) (*state.StateTree, error) {
+	// Create empty state tree
+
+	cst := cbor.NewCborStore(bs)
+	_, err := cst.Put(context.TODO(), []struct{}{})
+	if err != nil {
+		return nil, xerrors.Errorf("putting empty object: %w", err)
+	}
+
+	state, err := state.NewStateTree(cst)
+	if err != nil {
+		return nil, xerrors.Errorf("making new state tree: %w", err)
+	}
+
+	emptyobject, err := cst.Put(context.TODO(), []struct{}{})
+	if err != nil {
+		return nil, xerrors.Errorf("failed putting empty object: %w", err)
+	}
+
+	// Create system actor
+
+	sysact, err := SetupSystemActor(bs)
+	if err != nil {
+		return nil, xerrors.Errorf("setup init actor: %w", err)
+	}
+	if err := state.SetActor(builtin.SystemActorAddr, sysact); err != nil {
+		return nil, xerrors.Errorf("set init actor: %w", err)
+	}
+
+	// Create init actor
+
+	initact, err := SetupInitActor(bs, template.NetworkName, template.Accounts)
+	if err != nil {
+		return nil, xerrors.Errorf("setup init actor: %w", err)
+	}
+	if err := state.SetActor(builtin.InitActorAddr, initact); err != nil {
+		return nil, xerrors.Errorf("set init actor: %w", err)
+	}
+
+	// Setup reward
+	rewact, err := SetupRewardActor(bs)
+	if err != nil {
+		return nil, xerrors.Errorf("setup init actor: %w", err)
+	}
+
+	err = state.SetActor(builtin.RewardActorAddr, rewact)
+	if err != nil {
+		return nil, xerrors.Errorf("set network account actor: %w", err)
+	}
+
+	// Setup cron
+	cronact, err := SetupCronActor(bs)
+	if err != nil {
+		return nil, xerrors.Errorf("setup cron actor: %w", err)
+	}
+	if err := state.SetActor(builtin.CronActorAddr, cronact); err != nil {
+		return nil, xerrors.Errorf("set cron actor: %w", err)
+	}
+
+	// Create empty power actor
+	spact, err := SetupStoragePowerActor(bs)
+	if err != nil {
+		return nil, xerrors.Errorf("setup storage market actor: %w", err)
+	}
+	if err := state.SetActor(builtin.StoragePowerActorAddr, spact); err != nil {
+		return nil, xerrors.Errorf("set storage market actor: %w", err)
+	}
+
+	// Create empty market actor
+	marketact, err := SetupStorageMarketActor(bs)
+	if err != nil {
+		return nil, xerrors.Errorf("setup storage market actor: %w", err)
+	}
+	if err := state.SetActor(builtin.StorageMarketActorAddr, marketact); err != nil {
+		return nil, xerrors.Errorf("set market actor: %w", err)
+	}
+
+	// Create verified registry
+	verifact, err := SetupVerifiedRegistryActor(bs)
+	if err != nil {
+		return nil, xerrors.Errorf("setup storage market actor: %w", err)
+	}
+	if err := state.SetActor(builtin.VerifiedRegistryActorAddr, verifact); err != nil {
+		return nil, xerrors.Errorf("set market actor: %w", err)
+	}
+
+	// Setup burnt-funds
+	err = state.SetActor(builtin.BurntFundsActorAddr, &types.Actor{
+		Code:    builtin.AccountActorCodeID,
+		Balance: types.NewInt(0),
+		Head:    emptyobject,
+	})
+	if err != nil {
+		return nil, xerrors.Errorf("set burnt funds account actor: %w", err)
+	}
+
+	// Create accounts
+	for id, info := range template.Accounts {
+		if info.Type != genesis.TAccount {
+			return nil, xerrors.New("unsupported account type") // TODO: msigs
+		}
+
+		ida, err := address.NewIDAddress(uint64(AccountStart + id))
+		if err != nil {
+			return nil, err
+		}
+
+		var ainfo genesis.AccountMeta
+		if err := json.Unmarshal(info.Meta, &ainfo); err != nil {
+			return nil, xerrors.Errorf("unmarshaling account meta: %w", err)
+		}
+
+		st, err := cst.Put(ctx, &account.State{Address: ainfo.Owner})
+		if err != nil {
+			return nil, err
+		}
+
+		err = state.SetActor(ida, &types.Actor{
+			Code:    builtin.AccountActorCodeID,
+			Balance: info.Balance,
+			Head:    st,
+		})
+		if err != nil {
+			return nil, xerrors.Errorf("setting account from actmap: %w", err)
+		}
+	}
+
+	vregroot, err := address.NewIDAddress(80)
+	if err != nil {
+		return nil, err
+	}
+
+	vrst, err := cst.Put(ctx, &account.State{Address: RootVerifierAddr})
+	if err != nil {
+		return nil, err
+	}
+
+	err = state.SetActor(vregroot, &types.Actor{
+		Code:    builtin.AccountActorCodeID,
+		Balance: types.NewInt(0),
+		Head:    vrst,
+	})
+
+	if err != nil {
+		return nil, xerrors.Errorf("setting account from actmap: %w", err)
+	}
+
+	return state, nil
+}
+
+func VerifyPreSealedData(ctx context.Context, cs *store.ChainStore, stateroot cid.Cid, template genesis.Template) (cid.Cid, error) {
+	verifNeeds := make(map[address.Address]abi.PaddedPieceSize)
+	var sum abi.PaddedPieceSize
+	for _, m := range template.Miners {
+		for _, s := range m.Sectors {
+			amt := s.Deal.PieceSize
+			verifNeeds[s.Deal.Client] += amt
+			sum += amt
+		}
+	}
+
+	verifier, err := address.NewIDAddress(80)
+	if err != nil {
+		return cid.Undef, err
+	}
+
+	vm, err := vm.NewVM(stateroot, 0, &fakeRand{}, cs.Blockstore(), &fakedSigSyscalls{cs.VMSys()})
+	if err != nil {
+		return cid.Undef, xerrors.Errorf("failed to create NewVM: %w", err)
+	}
+
+	_, err = doExecValue(ctx, vm, builtin.VerifiedRegistryActorAddr, RootVerifierAddr, types.NewInt(0), builtin.MethodsVerifiedRegistry.AddVerifier, mustEnc(&verifreg.AddVerifierParams{
+		Address:   verifier,
+		Allowance: abi.NewStoragePower(int64(sum)), // eh, close enough
+
+	}))
+	if err != nil {
+		return cid.Undef, xerrors.Errorf("failed to failed to create verifier: %w", err)
+	}
+
+	for c, amt := range verifNeeds {
+		_, err := doExecValue(ctx, vm, builtin.VerifiedRegistryActorAddr, verifier, types.NewInt(0), builtin.MethodsVerifiedRegistry.AddVerifiedClient, mustEnc(&verifreg.AddVerifiedClientParams{
+			Address:   c,
+			Allowance: abi.NewStoragePower(int64(amt)),
+		}))
+		if err != nil {
+			return cid.Undef, xerrors.Errorf("failed to add verified client: %w", err)
+		}
+	}
+
+	return vm.Flush(ctx)
+}
+
+func MakeGenesisBlock(ctx context.Context, bs bstore.Blockstore, sys runtime.Syscalls, template genesis.Template) (*GenesisBootstrap, error) {
+	st, err := MakeInitialStateTree(ctx, bs, template)
+	if err != nil {
+		return nil, xerrors.Errorf("make initial state tree failed: %w", err)
+	}
+
+	stateroot, err := st.Flush(ctx)
+	if err != nil {
+		return nil, xerrors.Errorf("flush state tree failed: %w", err)
+	}
+
+	// temp chainstore
+	cs := store.NewChainStore(bs, datastore.NewMapDatastore(), sys)
+
+	// Verify PreSealed Data
+	stateroot, err = VerifyPreSealedData(ctx, cs, stateroot, template)
+	if err != nil {
+		return nil, xerrors.Errorf("failed to verify presealed data: %w", err)
+	}
+
+	stateroot, err = SetupStorageMiners(ctx, cs, stateroot, template.Miners)
+	if err != nil {
+		return nil, xerrors.Errorf("setup storage miners failed: %w", err)
+	}
+
+	cst := cbor.NewCborStore(bs)
+
+	emptyroot, err := amt.FromArray(ctx, cst, nil)
+	if err != nil {
+		return nil, xerrors.Errorf("amt build failed: %w", err)
+	}
+
+	mm := &types.MsgMeta{
+		BlsMessages:   emptyroot,
+		SecpkMessages: emptyroot,
+	}
+	mmb, err := mm.ToStorageBlock()
+	if err != nil {
+		return nil, xerrors.Errorf("serializing msgmeta failed: %w", err)
+	}
+	if err := bs.Put(mmb); err != nil {
+		return nil, xerrors.Errorf("putting msgmeta block to blockstore: %w", err)
+	}
+
+	log.Infof("Empty Genesis root: %s", emptyroot)
+
+	genesisticket := &types.Ticket{
+		VRFProof: []byte("vrf proof0000000vrf proof0000000"),
+	}
+
+	b := &types.BlockHeader{
+		Miner:                 builtin.SystemActorAddr,
+		Ticket:                genesisticket,
+		Parents:               []cid.Cid{},
+		Height:                0,
+		ParentWeight:          types.NewInt(0),
+		ParentStateRoot:       stateroot,
+		Messages:              mmb.Cid(),
+		ParentMessageReceipts: emptyroot,
+		BLSAggregate:          nil,
+		BlockSig:              nil,
+		Timestamp:             template.Timestamp,
+		ElectionProof:         new(types.ElectionProof),
+		BeaconEntries: []types.BeaconEntry{
+			{
+				Round: 0,
+				Data:  make([]byte, 32),
+			},
+		},
+	}
+
+	sb, err := b.ToStorageBlock()
+	if err != nil {
+		return nil, xerrors.Errorf("serializing block header failed: %w", err)
+	}
+
+	if err := bs.Put(sb); err != nil {
+		return nil, xerrors.Errorf("putting header to blockstore: %w", err)
+	}
+
+	return &GenesisBootstrap{
+		Genesis: b,
+	}, nil
+}
@@ -0,0 +1,260 @@
+package genesis
+
+import (
+	"bytes"
+	"context"
+	"fmt"
+	"math/rand"
+
+	"github.com/ipfs/go-cid"
+	cbor "github.com/ipfs/go-ipld-cbor"
+	cbg "github.com/whyrusleeping/cbor-gen"
+	"golang.org/x/xerrors"
+
+	"github.com/filecoin-project/go-address"
+	"github.com/filecoin-project/sector-storage/ffiwrapper"
+	"github.com/filecoin-project/specs-actors/actors/abi"
+	"github.com/filecoin-project/specs-actors/actors/abi/big"
+	"github.com/filecoin-project/specs-actors/actors/builtin"
+	"github.com/filecoin-project/specs-actors/actors/builtin/market"
+	"github.com/filecoin-project/specs-actors/actors/builtin/miner"
+	"github.com/filecoin-project/specs-actors/actors/builtin/power"
+	"github.com/filecoin-project/specs-actors/actors/crypto"
+	"github.com/filecoin-project/specs-actors/actors/runtime"
+
+	"github.com/filecoin-project/lotus/chain/state"
+	"github.com/filecoin-project/lotus/chain/store"
+	"github.com/filecoin-project/lotus/chain/types"
+	"github.com/filecoin-project/lotus/chain/vm"
+	"github.com/filecoin-project/lotus/genesis"
+)
+
+func MinerAddress(genesisIndex uint64) address.Address {
+	maddr, err := address.NewIDAddress(MinerStart + genesisIndex)
+	if err != nil {
+		panic(err)
+	}
+
+	return maddr
+}
+
+type fakedSigSyscalls struct {
+	runtime.Syscalls
+}
+
+func (fss *fakedSigSyscalls) VerifySignature(signature crypto.Signature, signer address.Address, plaintext []byte) error {
+	return nil
+}
+
+func SetupStorageMiners(ctx context.Context, cs *store.ChainStore, sroot cid.Cid, miners []genesis.Miner) (cid.Cid, error) {
+	vm, err := vm.NewVM(sroot, 0, &fakeRand{}, cs.Blockstore(), &fakedSigSyscalls{cs.VMSys()})
+	if err != nil {
+		return cid.Undef, xerrors.Errorf("failed to create NewVM: %w", err)
+	}
+
+	if len(miners) == 0 {
+		return cid.Undef, xerrors.New("no genesis miners")
+	}
+
+	for i, m := range miners {
+		// Create miner through power actor
+		i := i
+		m := m
+
+		spt, err := ffiwrapper.SealProofTypeFromSectorSize(m.SectorSize)
+		if err != nil {
+			return cid.Undef, err
+		}
+
+		var maddr address.Address
+		{
+			constructorParams := &power.CreateMinerParams{
+				Owner:         m.Worker,
+				Worker:        m.Worker,
+				Peer:          m.PeerId,
+				SealProofType: spt,
+			}
+
+			params := mustEnc(constructorParams)
+			rval, err := doExecValue(ctx, vm, builtin.StoragePowerActorAddr, m.Owner, m.PowerBalance, builtin.MethodsPower.CreateMiner, params)
+			if err != nil {
+				return cid.Undef, xerrors.Errorf("failed to create genesis miner: %w", err)
+			}
+
+			var ma power.CreateMinerReturn
+			if err := ma.UnmarshalCBOR(bytes.NewReader(rval)); err != nil {
+				return cid.Undef, xerrors.Errorf("unmarshaling CreateMinerReturn: %w", err)
+			}
+
+			expma := MinerAddress(uint64(i))
+			if ma.IDAddress != expma {
+				return cid.Undef, xerrors.Errorf("miner assigned wrong address: %s != %s", ma.IDAddress, expma)
+			}
+			maddr = ma.IDAddress
+		}
+
+		// Add market funds
+
+		{
+			params := mustEnc(&maddr)
+			_, err := doExecValue(ctx, vm, builtin.StorageMarketActorAddr, m.Worker, m.MarketBalance, builtin.MethodsMarket.AddBalance, params)
+			if err != nil {
+				return cid.Undef, xerrors.Errorf("failed to create genesis miner: %w", err)
+			}
+		}
+		{
+			params := mustEnc(&m.Worker)
+			_, err := doExecValue(ctx, vm, builtin.StorageMarketActorAddr, m.Worker, big.Zero(), builtin.MethodsMarket.AddBalance, params)
+			if err != nil {
+				return cid.Undef, xerrors.Errorf("failed to create genesis miner: %w", err)
+			}
+		}
+
+		// Publish preseal deals
+
+		var dealIDs []abi.DealID
+		{
+			publish := func(params *market.PublishStorageDealsParams) error {
+				fmt.Printf("publishing %d storage deals on miner %s with worker %s\n", len(params.Deals), params.Deals[0].Proposal.Provider, m.Worker)
+
+				ret, err := doExecValue(ctx, vm, builtin.StorageMarketActorAddr, m.Worker, big.Zero(), builtin.MethodsMarket.PublishStorageDeals, mustEnc(params))
+				if err != nil {
+					return xerrors.Errorf("failed to create genesis miner: %w", err)
+				}
+				var ids market.PublishStorageDealsReturn
+				if err := ids.UnmarshalCBOR(bytes.NewReader(ret)); err != nil {
+					return xerrors.Errorf("unmarsahling publishStorageDeals result: %w", err)
+				}
+
+				dealIDs = append(dealIDs, ids.IDs...)
+				return nil
+			}
+
+			params := &market.PublishStorageDealsParams{}
+			for _, preseal := range m.Sectors {
+				preseal.Deal.VerifiedDeal = true
+				params.Deals = append(params.Deals, market.ClientDealProposal{
+					Proposal:        preseal.Deal,
+					ClientSignature: crypto.Signature{Type: crypto.SigTypeBLS}, // TODO: do we want to sign these? Or do we want to fake signatures for genesis setup?
+				})
+
+				if len(params.Deals) == cbg.MaxLength {
+					if err := publish(params); err != nil {
+						return cid.Undef, err
+					}
+
+					params = &market.PublishStorageDealsParams{}
+				}
+			}
+
+			if len(params.Deals) > 0 {
+				if err := publish(params); err != nil {
+					return cid.Undef, err
+				}
+			}
+		}
+
+		// Commit sectors
+		for pi, preseal := range m.Sectors {
+			preseal := preseal
+			// TODO: Maybe check seal (Can just be snark inputs, doesn't go into the genesis file)
+
+			// check deals, get dealWeight
+			var dealWeight market.VerifyDealsOnSectorProveCommitReturn
+			{
+				params := &market.VerifyDealsOnSectorProveCommitParams{
+					DealIDs:      []abi.DealID{dealIDs[pi]},
+					SectorExpiry: preseal.Deal.EndEpoch,
+				}
+
+				ret, err := doExecValue(ctx, vm, builtin.StorageMarketActorAddr, maddr, big.Zero(), builtin.MethodsMarket.VerifyDealsOnSectorProveCommit, mustEnc(params))
+				if err != nil {
+					return cid.Undef, xerrors.Errorf("failed to verify preseal deals miner: %w", err)
+				}
+				if err := dealWeight.UnmarshalCBOR(bytes.NewReader(ret)); err != nil {
+					return cid.Undef, xerrors.Errorf("unmarshaling market onProveCommit result: %w", err)
+				}
+			}
+
+			// update power claims
+			{
+				err = vm.MutateState(ctx, builtin.StoragePowerActorAddr, func(cst cbor.IpldStore, st *power.State) error {
+					weight := &power.SectorStorageWeightDesc{
+						SectorSize:         m.SectorSize,
+						Duration:           preseal.Deal.Duration(),
+						DealWeight:         dealWeight.DealWeight,
+						VerifiedDealWeight: dealWeight.VerifiedDealWeight,
+					}
+
+					qapower := power.QAPowerForWeight(weight)
+
+					err := st.AddToClaim(&state.AdtStore{cst}, maddr, types.NewInt(uint64(weight.SectorSize)), qapower)
+					if err != nil {
+						return xerrors.Errorf("add to claim: %w", err)
+					}
+					fmt.Println("Added weight to claim: ", st.TotalRawBytePower, st.TotalQualityAdjPower)
+					return nil
+				})
+				if err != nil {
+					return cid.Undef, xerrors.Errorf("register power claim in power actor: %w", err)
+				}
+			}
+
+			// Put sectors to miner sector sets
+			{
+				newSectorInfo := &miner.SectorOnChainInfo{
+					Info: miner.SectorPreCommitInfo{
+						RegisteredProof: preseal.ProofType,
+						SectorNumber:    preseal.SectorID,
+						SealedCID:       preseal.CommR,
+						SealRandEpoch:   0,
+						DealIDs:         []abi.DealID{dealIDs[pi]},
+						Expiration:      preseal.Deal.EndEpoch,
+					},
+					ActivationEpoch:    0,
+					DealWeight:         dealWeight.DealWeight,
+					VerifiedDealWeight: dealWeight.VerifiedDealWeight,
+				}
+
+				err = vm.MutateState(ctx, maddr, func(cst cbor.IpldStore, st *miner.State) error {
+					store := &state.AdtStore{cst}
+
+					if err = st.PutSector(store, newSectorInfo); err != nil {
+						return xerrors.Errorf("failed to put sector: %v", err)
+					}
+
+					if err := st.AddNewSectors(newSectorInfo.Info.SectorNumber); err != nil {
+						return xerrors.Errorf("failed to add NewSector: %w", err)
+					}
+
+					return nil
+				})
+				if err != nil {
+					return cid.Cid{}, xerrors.Errorf("put to sset: %w", err)
+				}
+			}
+		}
+
+	}
+
+	// TODO: to avoid division by zero, we set the initial power actor power to 1, this adjusts that back down so the accounting is accurate.
+	err = vm.MutateState(ctx, builtin.StoragePowerActorAddr, func(cst cbor.IpldStore, st *power.State) error {
+		st.TotalQualityAdjPower = big.Sub(st.TotalQualityAdjPower, big.NewInt(1))
+		return nil
+	})
+
+	c, err := vm.Flush(ctx)
+	if err != nil {
+		return cid.Undef, xerrors.Errorf("flushing vm: %w", err)
+	}
+	return c, nil
+}
+
+// TODO: copied from actors test harness, deduplicate or remove from here
+type fakeRand struct{}
+
+func (fr *fakeRand) GetRandomness(ctx context.Context, personalization crypto.DomainSeparationTag, randEpoch abi.ChainEpoch, entropy []byte) ([]byte, error) {
+	out := make([]byte, 32)
+	_, _ = rand.New(rand.NewSource(int64(randEpoch))).Read(out)
+	return out, nil
+}
@@ -0,0 +1,29 @@
+package genesis
+
+import (
+	"context"
+	"github.com/filecoin-project/specs-actors/actors/builtin/system"
+
+	"github.com/filecoin-project/lotus/chain/types"
+	"github.com/filecoin-project/specs-actors/actors/builtin"
+	bstore "github.com/ipfs/go-ipfs-blockstore"
+	cbor "github.com/ipfs/go-ipld-cbor"
+)
+
+func SetupSystemActor(bs bstore.Blockstore) (*types.Actor, error) {
+	var st system.State
+
+	cst := cbor.NewCborStore(bs)
+
+	statecid, err := cst.Put(context.TODO(), &st)
+	if err != nil {
+		return nil, err
+	}
+
+	act := &types.Actor{
+		Code: builtin.SystemActorCodeID,
+		Head: statecid,
+	}
+
+	return act, nil
+}
@@ -0,0 +1,74 @@
+package genesis
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+
+	"github.com/filecoin-project/specs-actors/actors/builtin"
+
+	init_ "github.com/filecoin-project/specs-actors/actors/builtin/init"
+	"github.com/ipfs/go-hamt-ipld"
+	bstore "github.com/ipfs/go-ipfs-blockstore"
+	cbor "github.com/ipfs/go-ipld-cbor"
+	"golang.org/x/xerrors"
+
+	"github.com/filecoin-project/lotus/chain/types"
+	"github.com/filecoin-project/lotus/genesis"
+)
+
+func SetupInitActor(bs bstore.Blockstore, netname string, initialActors []genesis.Actor) (*types.Actor, error) {
+	if len(initialActors) > MaxAccounts {
+		return nil, xerrors.New("too many initial actors")
+	}
+
+	var ias init_.State
+	ias.NextID = MinerStart
+	ias.NetworkName = netname
+
+	cst := cbor.NewCborStore(bs)
+	amap := hamt.NewNode(cst, hamt.UseTreeBitWidth(5)) // TODO: use spec adt map
+
+	for i, a := range initialActors {
+		if a.Type != genesis.TAccount {
+			return nil, xerrors.Errorf("unsupported account type: %s", a.Type) // TODO: Support msig (skip here)
+		}
+
+		var ainfo genesis.AccountMeta
+		if err := json.Unmarshal(a.Meta, &ainfo); err != nil {
+			return nil, xerrors.Errorf("unmarshaling account meta: %w", err)
+		}
+
+		fmt.Printf("init set %s t0%d\n", ainfo.Owner, AccountStart+uint64(i))
+
+		if err := amap.Set(context.TODO(), string(ainfo.Owner.Bytes()), AccountStart+uint64(i)); err != nil {
+			return nil, err
+		}
+	}
+
+	if err := amap.Set(context.TODO(), string(RootVerifierAddr.Bytes()), 80); err != nil {
+		return nil, err
+	}
+
+	if err := amap.Flush(context.TODO()); err != nil {
+		return nil, err
+	}
+	amapcid, err := cst.Put(context.TODO(), amap)
+	if err != nil {
+		return nil, err
+	}
+
+	ias.AddressMap = amapcid
+
+	statecid, err := cst.Put(context.TODO(), &ias)
+	if err != nil {
+		return nil, err
+	}
+
+	act := &types.Actor{
+		Code: builtin.InitActorCodeID,
+		Head: statecid,
+	}
+
+	return act, nil
+}
@@ -0,0 +1,30 @@
+package genesis
+
+import (
+	"context"
+
+	"github.com/filecoin-project/lotus/build"
+	"github.com/filecoin-project/lotus/chain/types"
+	"github.com/filecoin-project/specs-actors/actors/builtin"
+	"github.com/filecoin-project/specs-actors/actors/builtin/reward"
+	bstore "github.com/ipfs/go-ipfs-blockstore"
+	cbor "github.com/ipfs/go-ipld-cbor"
+)
+
+func SetupRewardActor(bs bstore.Blockstore) (*types.Actor, error) {
+	cst := cbor.NewCborStore(bs)
+
+	st := reward.ConstructState()
+	st.LastPerEpochReward = types.FromFil(100)
+
+	hcid, err := cst.Put(context.TODO(), st)
+	if err != nil {
+		return nil, err
+	}
+
+	return &types.Actor{
+		Code:    builtin.RewardActorCodeID,
+		Balance: types.BigInt{Int: build.InitialRewardBalance},
+		Head:    hcid,
+	}, nil
+}
@@ -0,0 +1,29 @@
+package genesis
+
+import (
+	"context"
+
+	"github.com/filecoin-project/specs-actors/actors/builtin"
+	"github.com/filecoin-project/specs-actors/actors/builtin/cron"
+	bstore "github.com/ipfs/go-ipfs-blockstore"
+	cbor "github.com/ipfs/go-ipld-cbor"
+
+	"github.com/filecoin-project/lotus/chain/types"
+)
+
+func SetupCronActor(bs bstore.Blockstore) (*types.Actor, error) {
+	cst := cbor.NewCborStore(bs)
+	cas := cron.ConstructState(cron.BuiltInEntries())
+
+	stcid, err := cst.Put(context.TODO(), cas)
+	if err != nil {
+		return nil, err
+	}
+
+	return &types.Actor{
+		Code:    builtin.CronActorCodeID,
+		Head:    stcid,
+		Nonce:   0,
+		Balance: types.NewInt(0),
+	}, nil
+}
@@ -0,0 +1,47 @@
+package genesis
+
+import (
+	"context"
+	"github.com/filecoin-project/specs-actors/actors/builtin"
+
+	"github.com/filecoin-project/specs-actors/actors/abi/big"
+	"github.com/filecoin-project/specs-actors/actors/builtin/power"
+	"github.com/ipfs/go-hamt-ipld"
+	bstore "github.com/ipfs/go-ipfs-blockstore"
+	cbor "github.com/ipfs/go-ipld-cbor"
+
+	"github.com/filecoin-project/lotus/chain/types"
+)
+
+func SetupStoragePowerActor(bs bstore.Blockstore) (*types.Actor, error) {
+	ctx := context.TODO()
+	cst := cbor.NewCborStore(bs)
+	nd := hamt.NewNode(cst, hamt.UseTreeBitWidth(5))
+	emptyhamt, err := cst.Put(ctx, nd)
+	if err != nil {
+		return nil, err
+	}
+
+	sms := &power.State{
+		TotalRawBytePower:        big.NewInt(0),
+		TotalQualityAdjPower:     big.NewInt(1), // TODO: has to be 1 initially to avoid div by zero. Kinda annoying, should find a way to fix
+		TotalPledgeCollateral:    big.NewInt(0),
+		MinerCount:               0,
+		CronEventQueue:           emptyhamt,
+		LastEpochTick:            0,
+		Claims:                   emptyhamt,
+		NumMinersMeetingMinPower: 0,
+	}
+
+	stcid, err := cst.Put(ctx, sms)
+	if err != nil {
+		return nil, err
+	}
+
+	return &types.Actor{
+		Code:    builtin.StoragePowerActorCodeID,
+		Head:    stcid,
+		Nonce:   0,
+		Balance: types.NewInt(0),
+	}, nil
+}
@@ -0,0 +1,42 @@
+package genesis
+
+import (
+	"context"
+	"github.com/ipfs/go-hamt-ipld"
+
+	"github.com/filecoin-project/go-amt-ipld/v2"
+	"github.com/filecoin-project/specs-actors/actors/builtin"
+	"github.com/filecoin-project/specs-actors/actors/builtin/market"
+	bstore "github.com/ipfs/go-ipfs-blockstore"
+	cbor "github.com/ipfs/go-ipld-cbor"
+
+	"github.com/filecoin-project/lotus/chain/types"
+)
+
+func SetupStorageMarketActor(bs bstore.Blockstore) (*types.Actor, error) {
+	cst := cbor.NewCborStore(bs)
+
+	a, err := amt.NewAMT(cst).Flush(context.TODO())
+	if err != nil {
+		return nil, err
+	}
+	h, err := cst.Put(context.TODO(), hamt.NewNode(cst, hamt.UseTreeBitWidth(5)))
+	if err != nil {
+		return nil, err
+	}
+
+	sms := market.ConstructState(a, h, h)
+
+	stcid, err := cst.Put(context.TODO(), sms)
+	if err != nil {
+		return nil, err
+	}
+
+	act := &types.Actor{
+		Code:    builtin.StorageMarketActorCodeID,
+		Head:    stcid,
+		Balance: types.NewInt(0),
+	}
+
+	return act, nil
+}
@@ -0,0 +1,59 @@
+package genesis
+
+import (
+	"context"
+
+	"github.com/filecoin-project/go-address"
+	"github.com/ipfs/go-hamt-ipld"
+	bstore "github.com/ipfs/go-ipfs-blockstore"
+	cbor "github.com/ipfs/go-ipld-cbor"
+
+	"github.com/filecoin-project/specs-actors/actors/builtin"
+	"github.com/filecoin-project/specs-actors/actors/builtin/verifreg"
+
+	"github.com/filecoin-project/lotus/chain/types"
+)
+
+var RootVerifierAddr address.Address
+
+var RootVerifierID address.Address
+
+func init() {
+	k, err := address.NewFromString("t3qfoulel6fy6gn3hjmbhpdpf6fs5aqjb5fkurhtwvgssizq4jey5nw4ptq5up6h7jk7frdvvobv52qzmgjinq")
+	if err != nil {
+		panic(err)
+	}
+
+	RootVerifierAddr = k
+
+	idk, err := address.NewFromString("t080")
+	if err != nil {
+		panic(err)
+	}
+
+	RootVerifierID = idk
+}
+
+func SetupVerifiedRegistryActor(bs bstore.Blockstore) (*types.Actor, error) {
+	cst := cbor.NewCborStore(bs)
+
+	h, err := cst.Put(context.TODO(), hamt.NewNode(cst, hamt.UseTreeBitWidth(5)))
+	if err != nil {
+		return nil, err
+	}
+
+	sms := verifreg.ConstructState(h, RootVerifierID)
+
+	stcid, err := cst.Put(context.TODO(), sms)
+	if err != nil {
+		return nil, err
+	}
+
+	act := &types.Actor{
+		Code:    builtin.VerifiedRegistryActorCodeID,
+		Head:    stcid,
+		Balance: types.NewInt(0),
+	}
+
+	return act, nil
+}
@@ -0,0 +1,53 @@
+package genesis
+
+import (
+	"context"
+
+	"github.com/filecoin-project/go-address"
+	"github.com/filecoin-project/specs-actors/actors/abi"
+	cbg "github.com/whyrusleeping/cbor-gen"
+	"golang.org/x/xerrors"
+
+	"github.com/filecoin-project/lotus/chain/actors"
+	"github.com/filecoin-project/lotus/chain/types"
+	"github.com/filecoin-project/lotus/chain/vm"
+)
+
+func mustEnc(i cbg.CBORMarshaler) []byte {
+	enc, err := actors.SerializeParams(i)
+	if err != nil {
+		panic(err) // ok
+	}
+	return enc
+}
+
+func doExec(ctx context.Context, vm *vm.VM, to, from address.Address, method abi.MethodNum, params []byte) ([]byte, error) {
+	return doExecValue(ctx, vm, to, from, types.NewInt(0), method, params)
+}
+
+func doExecValue(ctx context.Context, vm *vm.VM, to, from address.Address, value types.BigInt, method abi.MethodNum, params []byte) ([]byte, error) {
+	act, err := vm.StateTree().GetActor(from)
+	if err != nil {
+		return nil, xerrors.Errorf("doExec failed to get from actor: %w", err)
+	}
+
+	ret, err := vm.ApplyImplicitMessage(ctx, &types.Message{
+		To:       to,
+		From:     from,
+		Method:   method,
+		Params:   params,
+		GasLimit: 1_000_000_000_000_000,
+		GasPrice: types.NewInt(0),
+		Value:    value,
+		Nonce:    act.Nonce,
+	})
+	if err != nil {
+		return nil, xerrors.Errorf("doExec apply message failed: %w", err)
+	}
+
+	if ret.ExitCode != 0 {
+		return nil, xerrors.Errorf("failed to call method: %w", ret.ActorErr)
+	}
+
+	return ret.Return, nil
+}
@@ -4,13 +4,14 @@ import (
 	"context"

 	bls "github.com/filecoin-project/filecoin-ffi"
-	amt "github.com/filecoin-project/go-amt-ipld"
+	amt "github.com/filecoin-project/go-amt-ipld/v2"
+	"github.com/filecoin-project/specs-actors/actors/crypto"
 	cid "github.com/ipfs/go-cid"
-	hamt "github.com/ipfs/go-hamt-ipld"
+	cbor "github.com/ipfs/go-ipld-cbor"
 	cbg "github.com/whyrusleeping/cbor-gen"
 	"golang.org/x/xerrors"

-	"github.com/filecoin-project/go-address"
+	"github.com/filecoin-project/lotus/api"
 	"github.com/filecoin-project/lotus/chain/state"
 	"github.com/filecoin-project/lotus/chain/stmgr"
 	"github.com/filecoin-project/lotus/chain/types"
@@ -18,24 +19,33 @@ import (
 	"github.com/filecoin-project/lotus/chain/wallet"
 )

-func MinerCreateBlock(ctx context.Context, sm *stmgr.StateManager, w *wallet.Wallet, miner address.Address, parents *types.TipSet, ticket *types.Ticket, proof *types.EPostProof, msgs []*types.SignedMessage, height, timestamp uint64) (*types.FullBlock, error) {
-	st, recpts, err := sm.TipSetState(ctx, parents)
+func MinerCreateBlock(ctx context.Context, sm *stmgr.StateManager, w *wallet.Wallet, bt *api.BlockTemplate) (*types.FullBlock, error) {
+
+	pts, err := sm.ChainStore().LoadTipSet(bt.Parents)
+	if err != nil {
+		return nil, xerrors.Errorf("failed to load parent tipset: %w", err)
+	}
+
+	st, recpts, err := sm.TipSetState(ctx, pts)
 	if err != nil {
 		return nil, xerrors.Errorf("failed to load tipset state: %w", err)
 	}

-	worker, err := stmgr.GetMinerWorkerRaw(ctx, sm, st, miner)
+	worker, err := stmgr.GetMinerWorkerRaw(ctx, sm, st, bt.Miner)
 	if err != nil {
 		return nil, xerrors.Errorf("failed to get miner worker: %w", err)
 	}

 	next := &types.BlockHeader{
-		Miner:                 miner,
-		Parents:               parents.Cids(),
-		Ticket:                ticket,
-		Height:                height,
-		Timestamp:             timestamp,
-		EPostProof:            *proof,
+		Miner:         bt.Miner,
+		Parents:       bt.Parents.Cids(),
+		Ticket:        bt.Ticket,
+		ElectionProof: bt.Eproof,
+
+		BeaconEntries:         bt.BeaconValues,
+		Height:                bt.Epoch,
+		Timestamp:             bt.Timestamp,
+		WinPoStProof:          bt.WinningPoStProof,
 		ParentStateRoot:       st,
 		ParentMessageReceipts: recpts,
 	}
@@ -44,9 +54,9 @@ func MinerCreateBlock(ctx context.Context, sm *stmgr.StateManager, w *wallet.Wal
 	var secpkMessages []*types.SignedMessage

 	var blsMsgCids, secpkMsgCids []cid.Cid
-	var blsSigs []types.Signature
-	for _, msg := range msgs {
-		if msg.Signature.TypeCode() == types.IKTBLS {
+	var blsSigs []crypto.Signature
+	for _, msg := range bt.Messages {
+		if msg.Signature.Type == crypto.SigTypeBLS {
 			blsSigs = append(blsSigs, msg.Signature)
 			blsMessages = append(blsMessages, &msg.Message)

@@ -68,17 +78,17 @@ func MinerCreateBlock(ctx context.Context, sm *stmgr.StateManager, w *wallet.Wal
 		}
 	}

-	bs := amt.WrapBlockstore(sm.ChainStore().Blockstore())
-	blsmsgroot, err := amt.FromArray(bs, toIfArr(blsMsgCids))
+	bs := cbor.NewCborStore(sm.ChainStore().Blockstore())
+	blsmsgroot, err := amt.FromArray(ctx, bs, toIfArr(blsMsgCids))
 	if err != nil {
 		return nil, xerrors.Errorf("building bls amt: %w", err)
 	}
-	secpkmsgroot, err := amt.FromArray(bs, toIfArr(secpkMsgCids))
+	secpkmsgroot, err := amt.FromArray(ctx, bs, toIfArr(secpkMsgCids))
 	if err != nil {
 		return nil, xerrors.Errorf("building secpk amt: %w", err)
 	}

-	mmcid, err := bs.Put(&types.MsgMeta{
+	mmcid, err := bs.Put(ctx, &types.MsgMeta{
 		BlsMessages:   blsmsgroot,
 		SecpkMessages: secpkmsgroot,
 	})
@@ -93,13 +103,13 @@ func MinerCreateBlock(ctx context.Context, sm *stmgr.StateManager, w *wallet.Wal
 	}

 	next.BLSAggregate = aggSig
-	pweight, err := sm.ChainStore().Weight(ctx, parents)
+	pweight, err := sm.ChainStore().Weight(ctx, pts)
 	if err != nil {
 		return nil, err
 	}
 	next.ParentWeight = pweight

-	cst := hamt.CSTFromBstore(sm.ChainStore().Blockstore())
+	cst := cbor.NewCborStore(sm.ChainStore().Blockstore())
 	tree, err := state.LoadStateTree(cst, st)
 	if err != nil {
 		return nil, xerrors.Errorf("failed to load state tree: %w", err)
@@ -131,7 +141,7 @@ func MinerCreateBlock(ctx context.Context, sm *stmgr.StateManager, w *wallet.Wal
 	return fullBlock, nil
 }

-func aggregateSignatures(sigs []types.Signature) (types.Signature, error) {
+func aggregateSignatures(sigs []crypto.Signature) (*crypto.Signature, error) {
 	var blsSigs []bls.Signature
 	for _, s := range sigs {
 		var bsig bls.Signature
@@ -140,8 +150,8 @@ func aggregateSignatures(sigs []types.Signature) (types.Signature, error) {
 	}

 	aggSig := bls.Aggregate(blsSigs)
-	return types.Signature{
-		Type: types.KTBLS,
+	return &crypto.Signature{
+		Type: crypto.SigTypeBLS,
 		Data: aggSig[:],
 	}, nil
 }
@@ -1,677 +0,0 @@
-package gen
-
-import (
-	"bytes"
-	"context"
-	"fmt"
-
-	amt "github.com/filecoin-project/go-amt-ipld"
-	"github.com/ipfs/go-cid"
-	"github.com/ipfs/go-datastore"
-	hamt "github.com/ipfs/go-hamt-ipld"
-	blockstore "github.com/ipfs/go-ipfs-blockstore"
-	bstore "github.com/ipfs/go-ipfs-blockstore"
-	peer "github.com/libp2p/go-libp2p-core/peer"
-	cbg "github.com/whyrusleeping/cbor-gen"
-	"golang.org/x/xerrors"
-
-	"github.com/filecoin-project/go-address"
-	"github.com/filecoin-project/lotus/build"
-	actors "github.com/filecoin-project/lotus/chain/actors"
-	"github.com/filecoin-project/lotus/chain/state"
-	"github.com/filecoin-project/lotus/chain/store"
-	"github.com/filecoin-project/lotus/chain/types"
-	"github.com/filecoin-project/lotus/chain/vm"
-	"github.com/filecoin-project/lotus/genesis"
-)
-
-type GenesisBootstrap struct {
-	Genesis *types.BlockHeader
-}
-
-func SetupInitActor(bs bstore.Blockstore, addrs []address.Address) (*types.Actor, error) {
-	var ias actors.InitActorState
-	ias.NextID = 100
-
-	cst := hamt.CSTFromBstore(bs)
-	amap := hamt.NewNode(cst)
-
-	for i, a := range addrs {
-		if err := amap.Set(context.TODO(), string(a.Bytes()), 100+uint64(i)); err != nil {
-			return nil, err
-		}
-	}
-
-	ias.NextID += uint64(len(addrs))
-	if err := amap.Flush(context.TODO()); err != nil {
-		return nil, err
-	}
-	amapcid, err := cst.Put(context.TODO(), amap)
-	if err != nil {
-		return nil, err
-	}
-
-	ias.AddressMap = amapcid
-
-	statecid, err := cst.Put(context.TODO(), &ias)
-	if err != nil {
-		return nil, err
-	}
-
-	act := &types.Actor{
-		Code: actors.InitCodeCid,
-		Head: statecid,
-	}
-
-	return act, nil
-}
-
-func MakeInitialStateTree(bs bstore.Blockstore, actmap map[address.Address]types.BigInt) (*state.StateTree, error) {
-	cst := hamt.CSTFromBstore(bs)
-	state, err := state.NewStateTree(cst)
-	if err != nil {
-		return nil, xerrors.Errorf("making new state tree: %w", err)
-	}
-
-	emptyobject, err := cst.Put(context.TODO(), map[string]string{})
-	if err != nil {
-		return nil, xerrors.Errorf("failed putting empty object: %w", err)
-	}
-
-	var addrs []address.Address
-	for a := range actmap {
-		addrs = append(addrs, a)
-	}
-
-	initact, err := SetupInitActor(bs, addrs)
-	if err != nil {
-		return nil, xerrors.Errorf("setup init actor: %w", err)
-	}
-
-	if err := state.SetActor(actors.InitAddress, initact); err != nil {
-		return nil, xerrors.Errorf("set init actor: %w", err)
-	}
-
-	cronact, err := SetupCronActor(bs)
-	if err != nil {
-		return nil, xerrors.Errorf("setup cron actor: %w", err)
-	}
-
-	if err := state.SetActor(actors.CronAddress, cronact); err != nil {
-		return nil, xerrors.Errorf("set cron actor: %w", err)
-	}
-
-	spact, err := SetupStoragePowerActor(bs)
-	if err != nil {
-		return nil, xerrors.Errorf("setup storage market actor: %w", err)
-	}
-
-	if err := state.SetActor(actors.StoragePowerAddress, spact); err != nil {
-		return nil, xerrors.Errorf("set storage market actor: %w", err)
-	}
-
-	netAmt := types.FromFil(build.TotalFilecoin)
-	for _, amt := range actmap {
-		netAmt = types.BigSub(netAmt, amt)
-	}
-
-	err = state.SetActor(actors.NetworkAddress, &types.Actor{
-		Code:    actors.AccountCodeCid,
-		Balance: netAmt,
-		Head:    emptyobject,
-	})
-	if err != nil {
-		return nil, xerrors.Errorf("set network account actor: %w", err)
-	}
-
-	err = state.SetActor(actors.BurntFundsAddress, &types.Actor{
-		Code:    actors.AccountCodeCid,
-		Balance: types.NewInt(0),
-		Head:    emptyobject,
-	})
-	if err != nil {
-		return nil, xerrors.Errorf("set burnt funds account actor: %w", err)
-	}
-
-	for a, v := range actmap {
-		err = state.SetActor(a, &types.Actor{
-			Code:    actors.AccountCodeCid,
-			Balance: v,
-			Head:    emptyobject,
-		})
-		if err != nil {
-			return nil, xerrors.Errorf("setting account from actmap: %w", err)
-		}
-	}
-
-	return state, nil
-}
-
-func SetupCronActor(bs bstore.Blockstore) (*types.Actor, error) {
-	cst := hamt.CSTFromBstore(bs)
-	cas := &actors.CronActorState{}
-
-	stcid, err := cst.Put(context.TODO(), cas)
-	if err != nil {
-		return nil, err
-	}
-
-	return &types.Actor{
-		Code:    actors.CronCodeCid,
-		Head:    stcid,
-		Nonce:   0,
-		Balance: types.NewInt(0),
-	}, nil
-}
-
-func SetupStoragePowerActor(bs bstore.Blockstore) (*types.Actor, error) {
-	cst := hamt.CSTFromBstore(bs)
-	nd := hamt.NewNode(cst)
-	emptyhamt, err := cst.Put(context.TODO(), nd)
-	if err != nil {
-		return nil, err
-	}
-
-	blks := amt.WrapBlockstore(bs)
-	emptyamt, err := amt.FromArray(blks, nil)
-	if err != nil {
-		return nil, xerrors.Errorf("amt build failed: %w", err)
-	}
-
-	sms := &actors.StoragePowerState{
-		Miners:         emptyhamt,
-		ProvingBuckets: emptyamt,
-		TotalStorage:   types.NewInt(0),
-	}
-
-	stcid, err := cst.Put(context.TODO(), sms)
-	if err != nil {
-		return nil, err
-	}
-
-	return &types.Actor{
-		Code:    actors.StoragePowerCodeCid,
-		Head:    stcid,
-		Nonce:   0,
-		Balance: types.NewInt(0),
-	}, nil
-}
-
-func SetupStorageMarketActor(bs bstore.Blockstore, sroot cid.Cid, deals []actors.StorageDealProposal) (cid.Cid, error) {
-	cst := hamt.CSTFromBstore(bs)
-	nd := hamt.NewNode(cst)
-	emptyHAMT, err := cst.Put(context.TODO(), nd)
-	if err != nil {
-		return cid.Undef, err
-	}
-
-	blks := amt.WrapBlockstore(bs)
-
-	cdeals := make([]cbg.CBORMarshaler, len(deals))
-	for i, deal := range deals {
-		cdeals[i] = &actors.OnChainDeal{
-			PieceRef:             deal.PieceRef,
-			PieceSize:            deal.PieceSize,
-			Client:               deal.Client,
-			Provider:             deal.Provider,
-			ProposalExpiration:   deal.ProposalExpiration,
-			Duration:             deal.Duration,
-			StoragePricePerEpoch: deal.StoragePricePerEpoch,
-			StorageCollateral:    deal.StorageCollateral,
-			ActivationEpoch:      1,
-		}
-	}
-
-	dealAmt, err := amt.FromArray(blks, cdeals)
-	if err != nil {
-		return cid.Undef, xerrors.Errorf("amt build failed: %w", err)
-	}
-
-	sms := &actors.StorageMarketState{
-		Balances:   emptyHAMT,
-		Deals:      dealAmt,
-		NextDealID: uint64(len(deals)),
-	}
-
-	stcid, err := cst.Put(context.TODO(), sms)
-	if err != nil {
-		return cid.Undef, err
-	}
-
-	act := &types.Actor{
-		Code:    actors.StorageMarketCodeCid,
-		Head:    stcid,
-		Nonce:   0,
-		Balance: types.NewInt(0),
-	}
-
-	state, err := state.LoadStateTree(cst, sroot)
-	if err != nil {
-		return cid.Undef, xerrors.Errorf("making new state tree: %w", err)
-	}
-
-	if err := state.SetActor(actors.StorageMarketAddress, act); err != nil {
-		return cid.Undef, xerrors.Errorf("set storage market actor: %w", err)
-	}
-
-	return state.Flush()
-}
-
-type GenMinerCfg struct {
-	PreSeals map[string]genesis.GenesisMiner
-
-	// The addresses of the created miner, this is set by the genesis setup
-	MinerAddrs []address.Address
-
-	PeerIDs []peer.ID
-}
-
-func mustEnc(i cbg.CBORMarshaler) []byte {
-	enc, err := actors.SerializeParams(i)
-	if err != nil {
-		panic(err) // ok
-	}
-	return enc
-}
-
-func SetupStorageMiners(ctx context.Context, cs *store.ChainStore, sroot cid.Cid, gmcfg *GenMinerCfg) (cid.Cid, []actors.StorageDealProposal, error) {
-	vm, err := vm.NewVM(sroot, 0, nil, actors.NetworkAddress, cs.Blockstore(), cs.VMSys())
-	if err != nil {
-		return cid.Undef, nil, xerrors.Errorf("failed to create NewVM: %w", err)
-	}
-
-	if len(gmcfg.MinerAddrs) == 0 {
-		return cid.Undef, nil, xerrors.New("no genesis miners")
-	}
-
-	if len(gmcfg.MinerAddrs) != len(gmcfg.PreSeals) {
-		return cid.Undef, nil, xerrors.Errorf("miner address list, and preseal count doesn't match (%d != %d)", len(gmcfg.MinerAddrs), len(gmcfg.PreSeals))
-	}
-
-	var deals []actors.StorageDealProposal
-
-	for i, maddr := range gmcfg.MinerAddrs {
-		ps, psok := gmcfg.PreSeals[maddr.String()]
-		if !psok {
-			return cid.Undef, nil, xerrors.Errorf("no preseal for miner %s", maddr)
-		}
-
-		minerParams := &actors.CreateStorageMinerParams{
-			Owner:      ps.Owner,
-			Worker:     ps.Worker,
-			SectorSize: ps.SectorSize,
-			PeerID:     gmcfg.PeerIDs[i], // TODO: grab from preseal too
-		}
-
-		params := mustEnc(minerParams)
-
-		// TODO: hardcoding 6500 here is a little fragile, it changes any
-		// time anyone changes the initial account allocations
-		rval, err := doExecValue(ctx, vm, actors.StoragePowerAddress, ps.Worker, types.FromFil(6500), actors.SPAMethods.CreateStorageMiner, params)
-		if err != nil {
-			return cid.Undef, nil, xerrors.Errorf("failed to create genesis miner: %w", err)
-		}
-
-		maddrret, err := address.NewFromBytes(rval)
-		if err != nil {
-			return cid.Undef, nil, err
-		}
-
-		_, err = vm.Flush(ctx)
-		if err != nil {
-			return cid.Undef, nil, err
-		}
-
-		cst := hamt.CSTFromBstore(cs.Blockstore())
-		if err := reassignMinerActorAddress(vm, cst, maddrret, maddr); err != nil {
-			return cid.Undef, nil, err
-		}
-
-		power := types.BigMul(types.NewInt(minerParams.SectorSize), types.NewInt(uint64(len(ps.Sectors))))
-
-		params = mustEnc(&actors.UpdateStorageParams{Delta: power})
-
-		_, err = doExec(ctx, vm, actors.StoragePowerAddress, maddr, actors.SPAMethods.UpdateStorage, params)
-		if err != nil {
-			return cid.Undef, nil, xerrors.Errorf("failed to update total storage: %w", err)
-		}
-
-		// we have to flush the vm here because it buffers stuff internally for perf reasons
-		if _, err := vm.Flush(ctx); err != nil {
-			return cid.Undef, nil, xerrors.Errorf("vm.Flush failed: %w", err)
-		}
-
-		st := vm.StateTree()
-		mact, err := st.GetActor(maddr)
-		if err != nil {
-			return cid.Undef, nil, xerrors.Errorf("get miner actor failed: %w", err)
-		}
-
-		var mstate actors.StorageMinerActorState
-		if err := cst.Get(ctx, mact.Head, &mstate); err != nil {
-			return cid.Undef, nil, xerrors.Errorf("getting miner actor state failed: %w", err)
-		}
-		mstate.Power = types.BigMul(types.NewInt(ps.SectorSize), types.NewInt(uint64(len(ps.Sectors))))
-
-		blks := amt.WrapBlockstore(cs.Blockstore())
-
-		for _, s := range ps.Sectors {
-			nssroot, err := actors.AddToSectorSet(ctx, blks, mstate.Sectors, s.SectorID, s.CommR[:], s.CommD[:])
-			if err != nil {
-				return cid.Undef, nil, xerrors.Errorf("failed to add fake sector to sector set: %w", err)
-			}
-			mstate.Sectors = nssroot
-			mstate.ProvingSet = nssroot
-
-			deals = append(deals, s.Deal)
-		}
-
-		nstate, err := cst.Put(ctx, &mstate)
-		if err != nil {
-			return cid.Undef, nil, err
-		}
-
-		mact.Head = nstate
-		if err := st.SetActor(maddr, mact); err != nil {
-			return cid.Undef, nil, err
-		}
-	}
-
-	c, err := vm.Flush(ctx)
-	return c, deals, err
-}
-
-func reassignMinerActorAddress(vm *vm.VM, cst *hamt.CborIpldStore, from, to address.Address) error {
-	if from == to {
-		return nil
-	}
-	act, err := vm.StateTree().GetActor(from)
-	if err != nil {
-		return xerrors.Errorf("reassign: failed to get 'from' actor: %w", err)
-	}
-
-	_, err = vm.StateTree().GetActor(to)
-	if err == nil {
-		return xerrors.Errorf("cannot reassign actor, target address taken")
-	}
-	if err := vm.StateTree().SetActor(to, act); err != nil {
-		return xerrors.Errorf("failed to reassign actor: %w", err)
-	}
-
-	if err := adjustStorageMarketTracking(vm, cst, from, to); err != nil {
-		return xerrors.Errorf("adjusting storage market tracking: %w", err)
-	}
-
-	// Now, adjust the tracking in the init actor
-	return initActorReassign(vm, cst, from, to)
-}
-
-func adjustStorageMarketTracking(vm *vm.VM, cst *hamt.CborIpldStore, from, to address.Address) error {
-	ctx := context.TODO()
-	act, err := vm.StateTree().GetActor(actors.StoragePowerAddress)
-	if err != nil {
-		return xerrors.Errorf("loading storage power actor: %w", err)
-	}
-
-	var spst actors.StoragePowerState
-	if err := cst.Get(ctx, act.Head, &spst); err != nil {
-		return xerrors.Errorf("loading storage power actor state: %w", err)
-	}
-
-	miners, err := hamt.LoadNode(ctx, cst, spst.Miners)
-	if err != nil {
-		return xerrors.Errorf("loading miner set: %w", err)
-	}
-
-	if err := miners.Delete(ctx, string(from.Bytes())); err != nil {
-		return xerrors.Errorf("deleting from spa set: %w", err)
-	}
-
-	if err := miners.Set(ctx, string(to.Bytes()), uint64(1)); err != nil {
-		return xerrors.Errorf("failed setting miner: %w", err)
-	}
-
-	if err := miners.Flush(ctx); err != nil {
-		return err
-	}
-
-	nminerscid, err := cst.Put(ctx, miners)
-	if err != nil {
-		return err
-	}
-	spst.Miners = nminerscid
-
-	nhead, err := cst.Put(ctx, &spst)
-	if err != nil {
-		return err
-	}
-
-	act.Head = nhead
-
-	return nil
-}
-
-func initActorReassign(vm *vm.VM, cst *hamt.CborIpldStore, from, to address.Address) error {
-	ctx := context.TODO()
-	initact, err := vm.StateTree().GetActor(actors.InitAddress)
-	if err != nil {
-		return xerrors.Errorf("couldnt get init actor: %w", err)
-	}
-
-	var st actors.InitActorState
-	if err := cst.Get(ctx, initact.Head, &st); err != nil {
-		return xerrors.Errorf("reassign loading init actor state: %w", err)
-	}
-
-	amap, err := hamt.LoadNode(ctx, cst, st.AddressMap)
-	if err != nil {
-		return xerrors.Errorf("failed to load init actor map: %w", err)
-	}
-
-	target, err := address.IDFromAddress(from)
-	if err != nil {
-		return xerrors.Errorf("failed to extract ID: %w", err)
-	}
-
-	var out string
-	halt := xerrors.Errorf("halt")
-	err = amap.ForEach(ctx, func(k string, v interface{}) error {
-		_, val, err := cbg.CborReadHeader(bytes.NewReader(v.(*cbg.Deferred).Raw))
-		if err != nil {
-			return xerrors.Errorf("parsing int in map failed: %w", err)
-		}
-
-		if val == target {
-			out = k
-			return halt
-		}
-		return nil
-	})
-
-	if err == nil {
-		return xerrors.Errorf("could not find from address in init ID map")
-	}
-	if !xerrors.Is(err, halt) {
-		return xerrors.Errorf("finding address in ID map failed: %w", err)
-	}
-
-	if err := amap.Delete(ctx, out); err != nil {
-		return xerrors.Errorf("deleting 'from' entry in amap: %w", err)
-	}
-
-	if err := amap.Set(ctx, out, target); err != nil {
-		return xerrors.Errorf("setting 'to' entry in amap: %w", err)
-	}
-
-	if err := amap.Flush(ctx); err != nil {
-		return xerrors.Errorf("failed to flush amap: %w", err)
-	}
-
-	ncid, err := cst.Put(ctx, amap)
-	if err != nil {
-		return err
-	}
-
-	st.AddressMap = ncid
-
-	nacthead, err := cst.Put(ctx, &st)
-	if err != nil {
-		return err
-	}
-
-	initact.Head = nacthead
-
-	return nil
-}
-
-func doExec(ctx context.Context, vm *vm.VM, to, from address.Address, method uint64, params []byte) ([]byte, error) {
-	return doExecValue(ctx, vm, to, from, types.NewInt(0), method, params)
-}
-
-func doExecValue(ctx context.Context, vm *vm.VM, to, from address.Address, value types.BigInt, method uint64, params []byte) ([]byte, error) {
-	act, err := vm.StateTree().GetActor(from)
-	if err != nil {
-		return nil, xerrors.Errorf("doExec failed to get from actor: %w", err)
-	}
-
-	ret, err := vm.ApplyMessage(context.TODO(), &types.Message{
-		To:       to,
-		From:     from,
-		Method:   method,
-		Params:   params,
-		GasLimit: types.NewInt(1000000),
-		GasPrice: types.NewInt(0),
-		Value:    value,
-		Nonce:    act.Nonce,
-	})
-	if err != nil {
-		return nil, xerrors.Errorf("doExec apply message failed: %w", err)
-	}
-
-	if ret.ExitCode != 0 {
-		return nil, fmt.Errorf("failed to call method: %s", ret.ActorErr)
-	}
-
-	return ret.Return, nil
-}
-
-func MakeGenesisBlock(bs bstore.Blockstore, sys *types.VMSyscalls, balances map[address.Address]types.BigInt, gmcfg *GenMinerCfg, ts uint64) (*GenesisBootstrap, error) {
-	ctx := context.Background()
-
-	state, err := MakeInitialStateTree(bs, balances)
-	if err != nil {
-		return nil, xerrors.Errorf("make initial state tree failed: %w", err)
-	}
-
-	stateroot, err := state.Flush()
-	if err != nil {
-		return nil, xerrors.Errorf("flush state tree failed: %w", err)
-	}
-
-	// temp chainstore
-	cs := store.NewChainStore(bs, datastore.NewMapDatastore(), sys)
-	stateroot, deals, err := SetupStorageMiners(ctx, cs, stateroot, gmcfg)
-	if err != nil {
-		return nil, xerrors.Errorf("setup storage miners failed: %w", err)
-	}
-
-	stateroot, err = SetupStorageMarketActor(bs, stateroot, deals)
-	if err != nil {
-		return nil, xerrors.Errorf("setup storage market actor: %w", err)
-	}
-
-	stateroot, err = AdjustInitActorStartID(ctx, bs, stateroot, 1000)
-	if err != nil {
-		return nil, xerrors.Errorf("failed to adjust init actor start ID: %w", err)
-	}
-
-	blks := amt.WrapBlockstore(bs)
-
-	emptyroot, err := amt.FromArray(blks, nil)
-	if err != nil {
-		return nil, xerrors.Errorf("amt build failed: %w", err)
-	}
-
-	mm := &types.MsgMeta{
-		BlsMessages:   emptyroot,
-		SecpkMessages: emptyroot,
-	}
-	mmb, err := mm.ToStorageBlock()
-	if err != nil {
-		return nil, xerrors.Errorf("serializing msgmeta failed: %w", err)
-	}
-	if err := bs.Put(mmb); err != nil {
-		return nil, xerrors.Errorf("putting msgmeta block to blockstore: %w", err)
-	}
-
-	log.Infof("Empty Genesis root: %s", emptyroot)
-
-	genesisticket := &types.Ticket{
-		VRFProof: []byte("vrf proof0000000vrf proof0000000"),
-	}
-
-	b := &types.BlockHeader{
-		Miner:  actors.InitAddress,
-		Ticket: genesisticket,
-		EPostProof: types.EPostProof{
-			Proof:    []byte("not a real proof"),
-			PostRand: []byte("i guess this is kinda random"),
-		},
-		Parents:               []cid.Cid{},
-		Height:                0,
-		ParentWeight:          types.NewInt(0),
-		ParentStateRoot:       stateroot,
-		Messages:              mmb.Cid(),
-		ParentMessageReceipts: emptyroot,
-		BLSAggregate:          types.Signature{Type: types.KTBLS, Data: []byte("signatureeee")},
-		BlockSig:              &types.Signature{Type: types.KTBLS, Data: []byte("block signatureeee")},
-		Timestamp:             ts,
-	}
-
-	sb, err := b.ToStorageBlock()
-	if err != nil {
-		return nil, xerrors.Errorf("serializing block header failed: %w", err)
-	}
-
-	if err := bs.Put(sb); err != nil {
-		return nil, xerrors.Errorf("putting header to blockstore: %w", err)
-	}
-
-	return &GenesisBootstrap{
-		Genesis: b,
-	}, nil
-}
-
-func AdjustInitActorStartID(ctx context.Context, bs blockstore.Blockstore, stateroot cid.Cid, val uint64) (cid.Cid, error) {
-	cst := hamt.CSTFromBstore(bs)
-
-	tree, err := state.LoadStateTree(cst, stateroot)
-	if err != nil {
-		return cid.Undef, err
-	}
-
-	act, err := tree.GetActor(actors.InitAddress)
-	if err != nil {
-		return cid.Undef, err
-	}
-
-	var st actors.InitActorState
-	if err := cst.Get(ctx, act.Head, &st); err != nil {
-		return cid.Undef, err
-	}
-
-	st.NextID = val
-
-	nstate, err := cst.Put(ctx, &st)
-	if err != nil {
-		return cid.Undef, err
-	}
-
-	act.Head = nstate
-
-	if err := tree.SetActor(actors.InitAddress, act); err != nil {
-		return cid.Undef, err
-	}
-
-	return tree.Flush()
-}
@@ -4,7 +4,9 @@ import (
 	"context"
 	"sync"

-	"golang.org/x/xerrors"
+	"github.com/filecoin-project/specs-actors/actors/builtin"
+	"github.com/ipfs/go-cid"
+	logging "github.com/ipfs/go-log"

 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/lotus/chain/actors"
@@ -13,6 +15,8 @@ import (
 	"github.com/filecoin-project/lotus/node/impl/full"
 )

+var log = logging.Logger("market_adapter")
+
 type FundMgr struct {
 	sm    *stmgr.StateManager
 	mpool full.MpoolAPI
@@ -30,17 +34,17 @@ func NewFundMgr(sm *stmgr.StateManager, mpool full.MpoolAPI) *FundMgr {
 	}
 }

-func (fm *FundMgr) EnsureAvailable(ctx context.Context, addr address.Address, amt types.BigInt) error {
+func (fm *FundMgr) EnsureAvailable(ctx context.Context, addr, wallet address.Address, amt types.BigInt) (cid.Cid, error) {
 	fm.lk.Lock()
 	avail, ok := fm.available[addr]
 	if !ok {
 		bal, err := fm.sm.MarketBalance(ctx, addr, nil)
 		if err != nil {
 			fm.lk.Unlock()
-			return err
+			return cid.Undef, err
 		}

-		avail = bal.Available
+		avail = types.BigSub(bal.Escrow, bal.Locked)
 	}

 	toAdd := types.NewInt(0)
@@ -55,25 +59,24 @@ func (fm *FundMgr) EnsureAvailable(ctx context.Context, addr address.Address, am

 	fm.lk.Unlock()

+	var err error
+	params, err := actors.SerializeParams(&addr)
+	if err != nil {
+		return cid.Undef, err
+	}
+
 	smsg, err := fm.mpool.MpoolPushMessage(ctx, &types.Message{
-		To:       actors.StorageMarketAddress,
-		From:     addr,
+		To:       builtin.StorageMarketActorAddr,
+		From:     wallet,
 		Value:    toAdd,
 		GasPrice: types.NewInt(0),
-		GasLimit: types.NewInt(1000000),
-		Method:   actors.SMAMethods.AddBalance,
+		GasLimit: 1000000,
+		Method:   builtin.MethodsMarket.AddBalance,
+		Params:   params,
 	})
 	if err != nil {
-		return err
+		return cid.Undef, err
 	}

-	_, r, err := fm.sm.WaitForMessage(ctx, smsg.Cid())
-	if err != nil {
-		return err
-	}
-
-	if r.ExitCode != 0 {
-		return xerrors.Errorf("adding funds to storage miner market actor failed: exit %d", r.ExitCode)
-	}
-	return nil
+	return smsg.Cid(), nil
 }
@@ -4,10 +4,13 @@ import (
 	"bytes"
 	"context"
 	"errors"
+	"fmt"
+	"math"
 	"sort"
 	"sync"
 	"time"

+	"github.com/filecoin-project/specs-actors/actors/crypto"
 	lru "github.com/hashicorp/golang-lru"
 	"github.com/ipfs/go-cid"
 	"github.com/ipfs/go-datastore"
@@ -23,13 +26,22 @@ import (
 	"github.com/filecoin-project/lotus/api"
 	"github.com/filecoin-project/lotus/build"
 	"github.com/filecoin-project/lotus/chain/stmgr"
-	"github.com/filecoin-project/lotus/chain/store"
 	"github.com/filecoin-project/lotus/chain/types"
+	"github.com/filecoin-project/lotus/lib/sigs"
 	"github.com/filecoin-project/lotus/node/modules/dtypes"
 )

 var log = logging.Logger("messagepool")

+const futureDebug = false
+
+const ReplaceByFeeRatio = 1.25
+
+var (
+	rbfNum   = types.NewInt(uint64((ReplaceByFeeRatio - 1) * 256))
+	rbfDenom = types.NewInt(256)
+)
+
 var (
 	ErrMessageTooBig = errors.New("message too big")

@@ -40,11 +52,11 @@ var (
 	ErrNotEnoughFunds = errors.New("not enough funds to execute transaction")

 	ErrInvalidToAddr = errors.New("message had invalid to address")
+
+	ErrBroadcastAnyway = errors.New("broadcasting message despite validation fail")
 )

 const (
-	msgTopic = "/fil/messages"
-
 	localMsgsDs = "/mpool/local"

 	localUpdates = "update"
@@ -74,6 +86,10 @@ type MessagePool struct {
 	changes *lps.PubSub

 	localMsgs datastore.Datastore
+
+	netName dtypes.NetworkName
+
+	sigValCache *lru.TwoQueueCache
 }

 type msgSet struct {
@@ -91,10 +107,20 @@ func (ms *msgSet) add(m *types.SignedMessage) error {
 	if len(ms.msgs) == 0 || m.Message.Nonce >= ms.nextNonce {
 		ms.nextNonce = m.Message.Nonce + 1
 	}
-	if _, has := ms.msgs[m.Message.Nonce]; has {
-		if m.Cid() != ms.msgs[m.Message.Nonce].Cid() {
-			log.Error("Add with duplicate nonce")
-			return xerrors.Errorf("message to %s with nonce %d already in mpool", m.Message.To, m.Message.Nonce)
+	exms, has := ms.msgs[m.Message.Nonce]
+	if has {
+		if m.Cid() != exms.Cid() {
+			// check if RBF passes
+			minPrice := exms.Message.GasPrice
+			minPrice = types.BigAdd(minPrice, types.BigDiv(types.BigMul(minPrice, rbfNum), rbfDenom))
+			minPrice = types.BigAdd(minPrice, types.NewInt(1))
+			if types.BigCmp(m.Message.GasPrice, minPrice) > 0 {
+				log.Infow("add with RBF", "oldprice", exms.Message.GasPrice,
+					"newprice", m.Message.GasPrice, "addr", m.Message.From, "nonce", m.Message.Nonce)
+			} else {
+				log.Info("add with duplicate nonce")
+				return xerrors.Errorf("message to %s with nonce %d already in mpool", m.Message.To, m.Message.Nonce)
+			}
 		}
 	}
 	ms.msgs[m.Message.Nonce] = m
@@ -104,11 +130,12 @@ func (ms *msgSet) add(m *types.SignedMessage) error {

 type Provider interface {
 	SubscribeHeadChanges(func(rev, app []*types.TipSet) error) *types.TipSet
-	PutMessage(m store.ChainMsg) (cid.Cid, error)
+	PutMessage(m types.ChainMsg) (cid.Cid, error)
 	PubSubPublish(string, []byte) error
 	StateGetActor(address.Address, *types.TipSet) (*types.Actor, error)
+	StateAccountKey(context.Context, address.Address, *types.TipSet) (address.Address, error)
 	MessagesForBlock(*types.BlockHeader) ([]*types.Message, []*types.SignedMessage, error)
-	MessagesForTipset(*types.TipSet) ([]store.ChainMsg, error)
+	MessagesForTipset(*types.TipSet) ([]types.ChainMsg, error)
 	LoadTipSet(tsk types.TipSetKey) (*types.TipSet, error)
 }

@@ -126,7 +153,7 @@ func (mpp *mpoolProvider) SubscribeHeadChanges(cb func(rev, app []*types.TipSet)
 	return mpp.sm.ChainStore().GetHeaviestTipSet()
 }

-func (mpp *mpoolProvider) PutMessage(m store.ChainMsg) (cid.Cid, error) {
+func (mpp *mpoolProvider) PutMessage(m types.ChainMsg) (cid.Cid, error) {
 	return mpp.sm.ChainStore().PutMessage(m)
 }

@@ -138,11 +165,15 @@ func (mpp *mpoolProvider) StateGetActor(addr address.Address, ts *types.TipSet)
 	return mpp.sm.GetActor(addr, ts)
 }

+func (mpp *mpoolProvider) StateAccountKey(ctx context.Context, addr address.Address, ts *types.TipSet) (address.Address, error) {
+	return mpp.sm.ResolveToKeyAddress(ctx, addr, ts)
+}
+
 func (mpp *mpoolProvider) MessagesForBlock(h *types.BlockHeader) ([]*types.Message, []*types.SignedMessage, error) {
 	return mpp.sm.ChainStore().MessagesForBlock(h)
 }

-func (mpp *mpoolProvider) MessagesForTipset(ts *types.TipSet) ([]store.ChainMsg, error) {
+func (mpp *mpoolProvider) MessagesForTipset(ts *types.TipSet) ([]types.ChainMsg, error) {
 	return mpp.sm.ChainStore().MessagesForTipset(ts)
 }

@@ -150,8 +181,10 @@ func (mpp *mpoolProvider) LoadTipSet(tsk types.TipSetKey) (*types.TipSet, error)
 	return mpp.sm.ChainStore().LoadTipSet(tsk)
 }

-func New(api Provider, ds dtypes.MetadataDS) (*MessagePool, error) {
+func New(api Provider, ds dtypes.MetadataDS, netName dtypes.NetworkName) (*MessagePool, error) {
 	cache, _ := lru.New2Q(build.BlsSignatureCacheSize)
+	verifcache, _ := lru.New2Q(build.VerifSigCacheSize)
+
 	mp := &MessagePool{
 		closer:        make(chan struct{}),
 		repubTk:       time.NewTicker(build.BlockDelay * 10 * time.Second),
@@ -160,9 +193,11 @@ func New(api Provider, ds dtypes.MetadataDS) (*MessagePool, error) {
 		minGasPrice:   types.NewInt(0),
 		maxTxPoolSize: 5000,
 		blsSigCache:   cache,
+		sigValCache:   verifcache,
 		changes:       lps.New(50),
 		localMsgs:     namespace.Wrap(ds, datastore.NewKey(localMsgsDs)),
 		api:           api,
+		netName:       netName,
 	}

 	if err := mp.loadLocal(); err != nil {
@@ -235,7 +270,7 @@ func (mp *MessagePool) repubLocal() {
 					continue
 				}

-				err = mp.api.PubSubPublish(msgTopic, msgb)
+				err = mp.api.PubSubPublish(build.MessagesTopic(mp.netName), msgb)
 				if err != nil {
 					errout = multierr.Append(errout, xerrors.Errorf("could not publish: %w", err))
 					continue
@@ -280,16 +315,10 @@ func (mp *MessagePool) Push(m *types.SignedMessage) (cid.Cid, error) {
 	}
 	mp.lk.Unlock()

-	return m.Cid(), mp.api.PubSubPublish(msgTopic, msgb)
+	return m.Cid(), mp.api.PubSubPublish(build.MessagesTopic(mp.netName), msgb)
 }

 func (mp *MessagePool) Add(m *types.SignedMessage) error {
-	mp.curTsLk.Lock()
-	defer mp.curTsLk.Unlock()
-	return mp.addTs(m, mp.curTs)
-}
-
-func (mp *MessagePool) addTs(m *types.SignedMessage, curTs *types.TipSet) error {
 	// big messages are bad, anti DOS
 	if m.Size() > 32*1024 {
 		return xerrors.Errorf("mpool message too large (%dB): %w", m.Size(), ErrMessageTooBig)
@@ -303,14 +332,56 @@ func (mp *MessagePool) addTs(m *types.SignedMessage, curTs *types.TipSet) error
 		return ErrMessageValueTooHigh
 	}

-	if err := m.Signature.Verify(m.Message.From, m.Message.Cid().Bytes()); err != nil {
+	if err := mp.VerifyMsgSig(m); err != nil {
 		log.Warnf("mpooladd signature verification failed: %s", err)
 		return err
 	}

+	mp.curTsLk.Lock()
+	defer mp.curTsLk.Unlock()
+	return mp.addTs(m, mp.curTs)
+}
+
+func sigCacheKey(m *types.SignedMessage) (string, error) {
+	switch m.Signature.Type {
+	case crypto.SigTypeBLS:
+		if len(m.Signature.Data) < 90 {
+			return "", fmt.Errorf("bls signature too short")
+		}
+
+		return string(m.Cid().Bytes()) + string(m.Signature.Data[64:]), nil
+	case crypto.SigTypeSecp256k1:
+		return string(m.Cid().Bytes()), nil
+	default:
+		return "", xerrors.Errorf("unrecognized signature type: %d", m.Signature.Type)
+	}
+}
+
+func (mp *MessagePool) VerifyMsgSig(m *types.SignedMessage) error {
+	sck, err := sigCacheKey(m)
+	if err != nil {
+		return err
+	}
+
+	_, ok := mp.sigValCache.Get(sck)
+	if ok {
+		// already validated, great
+		return nil
+	}
+
+	if err := sigs.Verify(&m.Signature, m.Message.From, m.Message.Cid().Bytes()); err != nil {
+		return err
+	}
+
+	mp.sigValCache.Add(sck, struct{}{})
+
+	return nil
+}
+
+func (mp *MessagePool) addTs(m *types.SignedMessage, curTs *types.TipSet) error {
 	snonce, err := mp.getStateNonce(m.Message.From, curTs)
 	if err != nil {
-		return xerrors.Errorf("failed to look up actor state nonce: %w", err)
+		return xerrors.Errorf("failed to look up actor state nonce: %s: %w", err, ErrBroadcastAnyway)
 	}

 	if snonce > m.Message.Nonce {
@@ -319,7 +390,7 @@ func (mp *MessagePool) addTs(m *types.SignedMessage, curTs *types.TipSet) error

 	balance, err := mp.getStateBalance(m.Message.From, curTs)
 	if err != nil {
-		return xerrors.Errorf("failed to check sender balance: %w", err)
+		return xerrors.Errorf("failed to check sender balance: %s: %w", err, ErrBroadcastAnyway)
 	}

 	if balance.LessThan(m.Message.RequiredFunds()) {
@@ -340,11 +411,15 @@ func (mp *MessagePool) addSkipChecks(m *types.SignedMessage) error {
 }

 func (mp *MessagePool) addLocked(m *types.SignedMessage) error {
-	log.Debugf("mpooladd: %s %s", m.Message.From, m.Message.Nonce)
-	if m.Signature.Type == types.KTBLS {
+	log.Debugf("mpooladd: %s %d", m.Message.From, m.Message.Nonce)
+	if m.Signature.Type == crypto.SigTypeBLS {
 		mp.blsSigCache.Add(m.Cid(), m.Signature)
 	}

+	if m.Message.GasLimit > build.BlockGasLimit {
+		return xerrors.Errorf("given message has too high of a gas limit")
+	}
+
 	if _, err := mp.api.PutMessage(m); err != nil {
 		log.Warnf("mpooladd cs.PutMessage failed: %s", err)
 		return err
@@ -362,7 +437,7 @@ func (mp *MessagePool) addLocked(m *types.SignedMessage) error {
 	}

 	if err := mset.add(m); err != nil {
-		log.Error(err)
+		log.Info(err)
 	}

 	mp.changes.Pub(api.MpoolUpdate{
@@ -446,22 +521,28 @@ func (mp *MessagePool) getStateBalance(addr address.Address, ts *types.TipSet) (
 	return act.Balance, nil
 }

-func (mp *MessagePool) PushWithNonce(addr address.Address, cb func(uint64) (*types.SignedMessage, error)) (*types.SignedMessage, error) {
+func (mp *MessagePool) PushWithNonce(ctx context.Context, addr address.Address, cb func(address.Address, uint64) (*types.SignedMessage, error)) (*types.SignedMessage, error) {
 	mp.curTsLk.Lock()
 	defer mp.curTsLk.Unlock()

 	mp.lk.Lock()
 	defer mp.lk.Unlock()
-	if addr.Protocol() == address.ID {
-		log.Warnf("Called pushWithNonce with ID address (%s) this might not be handled properly yet", addr)
+
+	fromKey := addr
+	if fromKey.Protocol() == address.ID {
+		var err error
+		fromKey, err = mp.api.StateAccountKey(ctx, fromKey, mp.curTs)
+		if err != nil {
+			return nil, xerrors.Errorf("resolving sender key: %w", err)
+		}
 	}

-	nonce, err := mp.getNonceLocked(addr, mp.curTs)
+	nonce, err := mp.getNonceLocked(fromKey, mp.curTs)
 	if err != nil {
-		return nil, err
+		return nil, xerrors.Errorf("get nonce locked failed: %w", err)
 	}

-	msg, err := cb(nonce)
+	msg, err := cb(fromKey, nonce)
 	if err != nil {
 		return nil, err
 	}
@@ -472,13 +553,13 @@ func (mp *MessagePool) PushWithNonce(addr address.Address, cb func(uint64) (*typ
 	}

 	if err := mp.addLocked(msg); err != nil {
-		return nil, err
+		return nil, xerrors.Errorf("add locked failed: %w", err)
 	}
 	if err := mp.addLocal(msg, msgb); err != nil {
 		log.Errorf("addLocal failed: %+v", err)
 	}

-	return msg, mp.api.PubSubPublish(msgTopic, msgb)
+	return msg, mp.api.PubSubPublish(build.MessagesTopic(mp.netName), msgb)
 }

 func (mp *MessagePool) Remove(from address.Address, nonce uint64) {
@@ -624,9 +705,78 @@ func (mp *MessagePool) HeadChange(revert []*types.TipSet, apply []*types.TipSet)
 		}
 	}

+	if len(revert) > 0 && futureDebug {
+		msgs, ts := mp.Pending()
+
+		buckets := map[address.Address]*statBucket{}
+
+		for _, v := range msgs {
+			bkt, ok := buckets[v.Message.From]
+			if !ok {
+				bkt = &statBucket{
+					msgs: map[uint64]*types.SignedMessage{},
+				}
+				buckets[v.Message.From] = bkt
+			}
+
+			bkt.msgs[v.Message.Nonce] = v
+		}
+
+		for a, bkt := range buckets {
+			act, err := mp.api.StateGetActor(a, ts)
+			if err != nil {
+				log.Debugf("%s, err: %s\n", a, err)
+				continue
+			}
+
+			var cmsg *types.SignedMessage
+			var ok bool
+
+			cur := act.Nonce
+			for {
+				cmsg, ok = bkt.msgs[cur]
+				if !ok {
+					break
+				}
+				cur++
+			}
+
+			ff := uint64(math.MaxUint64)
+			for k := range bkt.msgs {
+				if k > cur && k < ff {
+					ff = k
+				}
+			}
+
+			if ff != math.MaxUint64 {
+				m := bkt.msgs[ff]
+
+				// cmsg can be nil if no messages from the current nonce are in the mpool
+				ccid := "nil"
+				if cmsg != nil {
+					ccid = cmsg.Cid().String()
+				}
+
+				log.Debugw("Nonce gap",
+					"actor", a,
+					"future_cid", m.Cid(),
+					"future_nonce", ff,
+					"current_cid", ccid,
+					"current_nonce", cur,
+					"revert_tipset", revert[0].Key(),
+					"new_head", ts.Key(),
+				)
+			}
+		}
+	}
+
 	return nil
 }

+type statBucket struct {
+	msgs map[uint64]*types.SignedMessage
+}
+
 func (mp *MessagePool) MessagesForBlocks(blks []*types.BlockHeader) ([]*types.SignedMessage, error) {
 	out := make([]*types.SignedMessage, 0)

@@ -655,7 +805,7 @@ func (mp *MessagePool) RecoverSig(msg *types.Message) *types.SignedMessage {
 	if !ok {
 		return nil
 	}
-	sig, ok := val.(types.Signature)
+	sig, ok := val.(crypto.Signature)
 	if !ok {
 		log.Errorf("value in signature cache was not a signature (got %T)", val)
 		return nil
@@ -718,3 +868,17 @@ func (mp *MessagePool) loadLocal() error {

 	return nil
 }
+
+const MinGasPrice = 0
+
+func (mp *MessagePool) EstimateGasPrice(ctx context.Context, nblocksincl uint64, sender address.Address, gaslimit int64, tsk types.TipSetKey) (types.BigInt, error) {
+	// TODO: something smarter obviously
+	switch nblocksincl {
+	case 0:
+		return types.NewInt(MinGasPrice + 2), nil
+	case 1:
+		return types.NewInt(MinGasPrice + 1), nil
+	default:
+		return types.NewInt(MinGasPrice), nil
+	}
+}
@@ -1,19 +1,22 @@
 package messagepool

 import (
+	"context"
 	"fmt"
 	"testing"

 	"github.com/filecoin-project/go-address"
-	"github.com/filecoin-project/lotus/chain/store"
 	"github.com/filecoin-project/lotus/chain/types"
 	"github.com/filecoin-project/lotus/chain/types/mock"
 	"github.com/filecoin-project/lotus/chain/wallet"
+	_ "github.com/filecoin-project/lotus/lib/sigs/bls"
+	_ "github.com/filecoin-project/lotus/lib/sigs/secp"
+	"github.com/filecoin-project/specs-actors/actors/crypto"
 	"github.com/ipfs/go-cid"
 	"github.com/ipfs/go-datastore"
 )

-type testMpoolApi struct {
+type testMpoolAPI struct {
 	cb func(rev, app []*types.TipSet) error

 	bmsgs      map[cid.Cid][]*types.SignedMessage
@@ -22,61 +25,68 @@ type testMpoolApi struct {
 	tipsets []*types.TipSet
 }

-func newTestMpoolApi() *testMpoolApi {
-	return &testMpoolApi{
+func newTestMpoolAPI() *testMpoolAPI {
+	return &testMpoolAPI{
 		bmsgs:      make(map[cid.Cid][]*types.SignedMessage),
 		statenonce: make(map[address.Address]uint64),
 	}
 }

-func (tma *testMpoolApi) applyBlock(t *testing.T, b *types.BlockHeader) {
+func (tma *testMpoolAPI) applyBlock(t *testing.T, b *types.BlockHeader) {
 	t.Helper()
 	if err := tma.cb(nil, []*types.TipSet{mock.TipSet(b)}); err != nil {
 		t.Fatal(err)
 	}
 }

-func (tma *testMpoolApi) revertBlock(t *testing.T, b *types.BlockHeader) {
+func (tma *testMpoolAPI) revertBlock(t *testing.T, b *types.BlockHeader) {
 	t.Helper()
 	if err := tma.cb([]*types.TipSet{mock.TipSet(b)}, nil); err != nil {
 		t.Fatal(err)
 	}
 }

-func (tma *testMpoolApi) setStateNonce(addr address.Address, v uint64) {
+func (tma *testMpoolAPI) setStateNonce(addr address.Address, v uint64) {
 	tma.statenonce[addr] = v
 }

-func (tma *testMpoolApi) setBlockMessages(h *types.BlockHeader, msgs ...*types.SignedMessage) {
+func (tma *testMpoolAPI) setBlockMessages(h *types.BlockHeader, msgs ...*types.SignedMessage) {
 	tma.bmsgs[h.Cid()] = msgs
 	tma.tipsets = append(tma.tipsets, mock.TipSet(h))
 }

-func (tma *testMpoolApi) SubscribeHeadChanges(cb func(rev, app []*types.TipSet) error) *types.TipSet {
+func (tma *testMpoolAPI) SubscribeHeadChanges(cb func(rev, app []*types.TipSet) error) *types.TipSet {
 	tma.cb = cb
 	return nil
 }

-func (tma *testMpoolApi) PutMessage(m store.ChainMsg) (cid.Cid, error) {
+func (tma *testMpoolAPI) PutMessage(m types.ChainMsg) (cid.Cid, error) {
 	return cid.Undef, nil
 }

-func (tma *testMpoolApi) PubSubPublish(string, []byte) error {
+func (tma *testMpoolAPI) PubSubPublish(string, []byte) error {
 	return nil
 }

-func (tma *testMpoolApi) StateGetActor(addr address.Address, ts *types.TipSet) (*types.Actor, error) {
+func (tma *testMpoolAPI) StateGetActor(addr address.Address, ts *types.TipSet) (*types.Actor, error) {
 	return &types.Actor{
 		Nonce:   tma.statenonce[addr],
 		Balance: types.NewInt(90000000),
 	}, nil
 }

-func (tma *testMpoolApi) MessagesForBlock(h *types.BlockHeader) ([]*types.Message, []*types.SignedMessage, error) {
+func (tma *testMpoolAPI) StateAccountKey(ctx context.Context, addr address.Address, ts *types.TipSet) (address.Address, error) {
+	if addr.Protocol() != address.BLS && addr.Protocol() != address.SECP256K1 {
+		return address.Undef, fmt.Errorf("given address was not a key addr")
+	}
+	return addr, nil
+}
+
+func (tma *testMpoolAPI) MessagesForBlock(h *types.BlockHeader) ([]*types.Message, []*types.SignedMessage, error) {
 	return nil, tma.bmsgs[h.Cid()], nil
 }

-func (tma *testMpoolApi) MessagesForTipset(ts *types.TipSet) ([]store.ChainMsg, error) {
+func (tma *testMpoolAPI) MessagesForTipset(ts *types.TipSet) ([]types.ChainMsg, error) {
 	if len(ts.Blocks()) != 1 {
 		panic("cant deal with multiblock tipsets in this test")
 	}
@@ -86,7 +96,7 @@ func (tma *testMpoolApi) MessagesForTipset(ts *types.TipSet) ([]store.ChainMsg,
 		return nil, err
 	}

-	var out []store.ChainMsg
+	var out []types.ChainMsg
 	for _, m := range bm {
 		out = append(out, m)
 	}
@@ -98,7 +108,7 @@ func (tma *testMpoolApi) MessagesForTipset(ts *types.TipSet) ([]store.ChainMsg,
 	return out, nil
 }

-func (tma *testMpoolApi) LoadTipSet(tsk types.TipSetKey) (*types.TipSet, error) {
+func (tma *testMpoolAPI) LoadTipSet(tsk types.TipSetKey) (*types.TipSet, error) {
 	for _, ts := range tma.tipsets {
 		if types.CidArrsEqual(tsk.Cids(), ts.Cids()) {
 			return ts, nil
@@ -128,7 +138,7 @@ func mustAdd(t *testing.T, mp *MessagePool, msg *types.SignedMessage) {
 }

 func TestMessagePool(t *testing.T) {
-	tma := newTestMpoolApi()
+	tma := newTestMpoolAPI()

 	w, err := wallet.NewWallet(wallet.NewMemKeyStore())
 	if err != nil {
@@ -137,14 +147,14 @@ func TestMessagePool(t *testing.T) {

 	ds := datastore.NewMapDatastore()

-	mp, err := New(tma, ds)
+	mp, err := New(tma, ds, "mptest")
 	if err != nil {
 		t.Fatal(err)
 	}

 	a := mock.MkBlock(nil, 1, 1)

-	sender, err := w.GenerateKey(types.KTBLS)
+	sender, err := w.GenerateKey(crypto.SigTypeBLS)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -169,7 +179,7 @@ func TestMessagePool(t *testing.T) {
 }

 func TestRevertMessages(t *testing.T) {
-	tma := newTestMpoolApi()
+	tma := newTestMpoolAPI()

 	w, err := wallet.NewWallet(wallet.NewMemKeyStore())
 	if err != nil {
@@ -178,7 +188,7 @@ func TestRevertMessages(t *testing.T) {

 	ds := datastore.NewMapDatastore()

-	mp, err := New(tma, ds)
+	mp, err := New(tma, ds, "mptest")
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -186,7 +196,7 @@ func TestRevertMessages(t *testing.T) {
 	a := mock.MkBlock(nil, 1, 1)
 	b := mock.MkBlock(mock.TipSet(a), 1, 1)

-	sender, err := w.GenerateKey(types.KTBLS)
+	sender, err := w.GenerateKey(crypto.SigTypeBLS)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -5,6 +5,7 @@ import (
 	"encoding/json"
 	"time"

+	"github.com/filecoin-project/specs-actors/actors/abi"
 	"github.com/ipfs/go-cid"
 	logging "github.com/ipfs/go-log/v2"
 	pubsub "github.com/libp2p/go-libp2p-pubsub"
@@ -68,7 +69,7 @@ type message struct {
 	// TipSet
 	Cids   []cid.Cid
 	Blocks []*types.BlockHeader
-	Height uint64
+	Height abi.ChainEpoch
 	Weight types.BigInt
 	Time   uint64
 	Nonce  uint64
@@ -95,7 +96,7 @@ func sendHeadNotifs(ctx context.Context, ps *pubsub.PubSub, topic string, chain
 		case notif := <-notifs:
 			n := notif[len(notif)-1]

-			w, err := chain.ChainTipSetWeight(ctx, n.Val)
+			w, err := chain.ChainTipSetWeight(ctx, n.Val.Key())
 			if err != nil {
 				return err
 			}
@@ -4,45 +4,137 @@ import (
 	"context"
 	"fmt"

+	"github.com/filecoin-project/specs-actors/actors/builtin"
+	init_ "github.com/filecoin-project/specs-actors/actors/builtin/init"
+
+	"github.com/filecoin-project/specs-actors/actors/util/adt"
 	"github.com/ipfs/go-cid"
 	hamt "github.com/ipfs/go-hamt-ipld"
+	cbor "github.com/ipfs/go-ipld-cbor"
 	logging "github.com/ipfs/go-log/v2"
+	"go.opencensus.io/trace"
 	"golang.org/x/xerrors"

 	"github.com/filecoin-project/go-address"
-	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/types"
 )

 var log = logging.Logger("statetree")

+// StateTree stores actors state by their ID.
 type StateTree struct {
 	root  *hamt.Node
-	Store *hamt.CborIpldStore
+	Store cbor.IpldStore

-	actorcache map[address.Address]*types.Actor
-	snapshot   cid.Cid
+	snaps *stateSnaps
 }

-func NewStateTree(cst *hamt.CborIpldStore) (*StateTree, error) {
+type stateSnaps struct {
+	layers []*stateSnapLayer
+}
+
+type stateSnapLayer struct {
+	actors       map[address.Address]streeOp
+	resolveCache map[address.Address]address.Address
+}
+
+func newStateSnapLayer() *stateSnapLayer {
+	return &stateSnapLayer{
+		actors:       make(map[address.Address]streeOp),
+		resolveCache: make(map[address.Address]address.Address),
+	}
+}
+
+type streeOp struct {
+	Act    types.Actor
+	Delete bool
+}
+
+func newStateSnaps() *stateSnaps {
+	ss := &stateSnaps{}
+	ss.addLayer()
+	return ss
+}
+
+func (ss *stateSnaps) addLayer() {
+	ss.layers = append(ss.layers, newStateSnapLayer())
+}
+
+func (ss *stateSnaps) dropLayer() {
+	ss.layers[len(ss.layers)-1] = nil // allow it to be GCed
+	ss.layers = ss.layers[:len(ss.layers)-1]
+}
+
+func (ss *stateSnaps) mergeLastLayer() {
+	last := ss.layers[len(ss.layers)-1]
+	nextLast := ss.layers[len(ss.layers)-2]
+
+	for k, v := range last.actors {
+		nextLast.actors[k] = v
+	}
+
+	for k, v := range last.resolveCache {
+		nextLast.resolveCache[k] = v
+	}
+
+	ss.dropLayer()
+}
+
+func (ss *stateSnaps) resolveAddress(addr address.Address) (address.Address, bool) {
+	for i := len(ss.layers) - 1; i >= 0; i-- {
+		resa, ok := ss.layers[i].resolveCache[addr]
+		if ok {
+			return resa, true
+		}
+	}
+	return address.Undef, false
+}
+
+func (ss *stateSnaps) cacheResolveAddress(addr, resa address.Address) {
+	ss.layers[len(ss.layers)-1].resolveCache[addr] = resa
+}
+
+func (ss *stateSnaps) getActor(addr address.Address) (*types.Actor, error) {
+	for i := len(ss.layers) - 1; i >= 0; i-- {
+		act, ok := ss.layers[i].actors[addr]
+		if ok {
+			if act.Delete {
+				return nil, types.ErrActorNotFound
+			}
+
+			return &act.Act, nil
+		}
+	}
+	return nil, nil
+}
+
+func (ss *stateSnaps) setActor(addr address.Address, act *types.Actor) {
+	ss.layers[len(ss.layers)-1].actors[addr] = streeOp{Act: *act}
+}
+
+func (ss *stateSnaps) deleteActor(addr address.Address) {
+	ss.layers[len(ss.layers)-1].actors[addr] = streeOp{Delete: true}
+}
+
+func NewStateTree(cst cbor.IpldStore) (*StateTree, error) {
 	return &StateTree{
-		root:       hamt.NewNode(cst),
-		Store:      cst,
-		actorcache: make(map[address.Address]*types.Actor),
+		root:  hamt.NewNode(cst, hamt.UseTreeBitWidth(5)),
+		Store: cst,
+		snaps: newStateSnaps(),
 	}, nil
 }

-func LoadStateTree(cst *hamt.CborIpldStore, c cid.Cid) (*StateTree, error) {
-	nd, err := hamt.LoadNode(context.Background(), cst, c)
+func LoadStateTree(cst cbor.IpldStore, c cid.Cid) (*StateTree, error) {
+	nd, err := hamt.LoadNode(context.Background(), cst, c, hamt.UseTreeBitWidth(5))
 	if err != nil {
 		log.Errorf("loading hamt node %s failed: %s", c, err)
 		return nil, err
 	}

 	return &StateTree{
-		root:       nd,
-		Store:      cst,
-		actorcache: make(map[address.Address]*types.Actor),
+		root:  nd,
+		Store: cst,
+		snaps: newStateSnaps(),
 	}, nil
 }

@@ -53,53 +145,64 @@ func (st *StateTree) SetActor(addr address.Address, act *types.Actor) error {
 	}
 	addr = iaddr

-	cact, ok := st.actorcache[addr]
-	if ok {
-		if act == cact {
-			return nil
-		}
-	}
-
-	st.actorcache[addr] = act
-
-	return st.root.Set(context.TODO(), string(addr.Bytes()), act)
+	st.snaps.setActor(addr, act)
+	return nil
 }

+// LookupID gets the ID address of this actor's `addr` stored in the `InitActor`.
 func (st *StateTree) LookupID(addr address.Address) (address.Address, error) {
 	if addr.Protocol() == address.ID {
 		return addr, nil
 	}

-	act, err := st.GetActor(actors.InitAddress)
+	resa, ok := st.snaps.resolveAddress(addr)
+	if ok {
+		return resa, nil
+	}
+
+	act, err := st.GetActor(builtin.InitActorAddr)
 	if err != nil {
 		return address.Undef, xerrors.Errorf("getting init actor: %w", err)
 	}

-	var ias actors.InitActorState
+	var ias init_.State
 	if err := st.Store.Get(context.TODO(), act.Head, &ias); err != nil {
 		return address.Undef, xerrors.Errorf("loading init actor state: %w", err)
 	}

-	return ias.Lookup(st.Store, addr)
+	a, err := ias.ResolveAddress(&AdtStore{st.Store}, addr)
+	if err != nil {
+		return address.Undef, xerrors.Errorf("resolve address %s: %w", addr, err)
+	}
+
+	st.snaps.cacheResolveAddress(addr, a)
+
+	return a, nil
 }

+// GetActor returns the actor from any type of `addr` provided.
 func (st *StateTree) GetActor(addr address.Address) (*types.Actor, error) {
 	if addr == address.Undef {
 		return nil, fmt.Errorf("GetActor called on undefined address")
 	}

+	// Transform `addr` to its ID format.
 	iaddr, err := st.LookupID(addr)
 	if err != nil {
-		if xerrors.Is(err, hamt.ErrNotFound) {
-			return nil, xerrors.Errorf("resolution lookup failed (%s): %w", addr, types.ErrActorNotFound)
+		if xerrors.Is(err, init_.ErrAddressNotFound) {
+			return nil, xerrors.Errorf("resolution lookup failed (%s): %w", addr, err)
 		}
 		return nil, xerrors.Errorf("address resolution: %w", err)
 	}
 	addr = iaddr

-	cact, ok := st.actorcache[addr]
-	if ok {
-		return cact, nil
+	snapAct, err := st.snaps.getActor(addr)
+	if err != nil {
+		return nil, err
+	}
+
+	if snapAct != nil {
+		return snapAct, nil
 	}

 	var act types.Actor
@@ -111,45 +214,84 @@ func (st *StateTree) GetActor(addr address.Address) (*types.Actor, error) {
 		return nil, xerrors.Errorf("hamt find failed: %w", err)
 	}

-	st.actorcache[addr] = &act
+	st.snaps.setActor(addr, &act)

 	return &act, nil
 }

-func (st *StateTree) Flush() (cid.Cid, error) {
-	for addr, act := range st.actorcache {
-		if err := st.root.Set(context.TODO(), string(addr.Bytes()), act); err != nil {
-			return cid.Undef, err
+func (st *StateTree) DeleteActor(addr address.Address) error {
+	if addr == address.Undef {
+		return xerrors.Errorf("DeleteActor called on undefined address")
+	}
+
+	iaddr, err := st.LookupID(addr)
+	if err != nil {
+		if xerrors.Is(err, init_.ErrAddressNotFound) {
+			return xerrors.Errorf("resolution lookup failed (%s): %w", addr, err)
 		}
-	}
-	st.actorcache = make(map[address.Address]*types.Actor)
-
-	if err := st.root.Flush(context.TODO()); err != nil {
-		return cid.Undef, err
+		return xerrors.Errorf("address resolution: %w", err)
 	}

-	return st.Store.Put(context.TODO(), st.root)
-}
+	addr = iaddr

-func (st *StateTree) Snapshot() error {
-	ss, err := st.Flush()
+	_, err = st.GetActor(addr)
 	if err != nil {
 		return err
 	}

-	st.snapshot = ss
+	st.snaps.deleteActor(addr)
+
 	return nil
 }

-func (st *StateTree) RegisterNewAddress(addr address.Address, act *types.Actor) (address.Address, error) {
+func (st *StateTree) Flush(ctx context.Context) (cid.Cid, error) {
+	ctx, span := trace.StartSpan(ctx, "stateTree.Flush")
+	defer span.End()
+	if len(st.snaps.layers) != 1 {
+		return cid.Undef, xerrors.Errorf("tried to flush state tree with snapshots on the stack")
+	}
+
+	for addr, sto := range st.snaps.layers[0].actors {
+		if sto.Delete {
+			if err := st.root.Delete(ctx, string(addr.Bytes())); err != nil {
+				return cid.Undef, err
+			}
+		} else {
+			if err := st.root.Set(ctx, string(addr.Bytes()), &sto.Act); err != nil {
+				return cid.Undef, err
+			}
+		}
+	}
+
+	if err := st.root.Flush(ctx); err != nil {
+		return cid.Undef, err
+	}
+
+	return st.Store.Put(ctx, st.root)
+}
+
+func (st *StateTree) Snapshot(ctx context.Context) error {
+	ctx, span := trace.StartSpan(ctx, "stateTree.SnapShot")
+	defer span.End()
+
+	st.snaps.addLayer()
+
+	return nil
+}
+
+func (st *StateTree) ClearSnapshot() {
+	st.snaps.mergeLastLayer()
+}
+
+func (st *StateTree) RegisterNewAddress(addr address.Address) (address.Address, error) {
 	var out address.Address
-	err := st.MutateActor(actors.InitAddress, func(initact *types.Actor) error {
-		var ias actors.InitActorState
+	err := st.MutateActor(builtin.InitActorAddr, func(initact *types.Actor) error {
+		var ias init_.State
 		if err := st.Store.Get(context.TODO(), initact.Head, &ias); err != nil {
 			return err
 		}

-		oaddr, err := ias.AddActor(st.Store, addr)
+		oaddr, err := ias.MapAddressToNewID(&AdtStore{st.Store}, addr)
 		if err != nil {
 			return err
 		}
@@ -167,20 +309,21 @@ func (st *StateTree) RegisterNewAddress(addr address.Address, act *types.Actor)
 		return address.Undef, err
 	}

-	if err := st.SetActor(out, act); err != nil {
-		return address.Undef, err
-	}
-
 	return out, nil
 }

+type AdtStore struct{ cbor.IpldStore }
+
+func (a *AdtStore) Context() context.Context {
+	return context.TODO()
+}
+
+var _ adt.Store = (*AdtStore)(nil)
+
 func (st *StateTree) Revert() error {
-	nd, err := hamt.LoadNode(context.Background(), st.Store, st.snapshot)
-	if err != nil {
-		return err
-	}
+	st.snaps.dropLayer()
+	st.snaps.addLayer()

-	st.root = nd
 	return nil
 }

@@ -1,16 +1,20 @@
 package state

 import (
+	"context"
+	"fmt"
 	"testing"

+	"github.com/filecoin-project/specs-actors/actors/builtin"
+
 	address "github.com/filecoin-project/go-address"
-	actors "github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/types"
-	hamt "github.com/ipfs/go-hamt-ipld"
+	"github.com/ipfs/go-cid"
+	cbor "github.com/ipfs/go-ipld-cbor"
 )

 func BenchmarkStateTreeSet(b *testing.B) {
-	cst := hamt.NewCborStore()
+	cst := cbor.NewMemCborStore()
 	st, err := NewStateTree(cst)
 	if err != nil {
 		b.Fatal(err)
@@ -26,8 +30,8 @@ func BenchmarkStateTreeSet(b *testing.B) {
 		}
 		err = st.SetActor(a, &types.Actor{
 			Balance: types.NewInt(1258812523),
-			Code:    actors.StorageMinerCodeCid,
-			Head:    actors.AccountCodeCid,
+			Code:    builtin.StorageMinerActorCodeID,
+			Head:    builtin.AccountActorCodeID,
 			Nonce:   uint64(i),
 		})
 		if err != nil {
@@ -37,7 +41,7 @@ func BenchmarkStateTreeSet(b *testing.B) {
 }

 func BenchmarkStateTreeSetFlush(b *testing.B) {
-	cst := hamt.NewCborStore()
+	cst := cbor.NewMemCborStore()
 	st, err := NewStateTree(cst)
 	if err != nil {
 		b.Fatal(err)
@@ -53,21 +57,21 @@ func BenchmarkStateTreeSetFlush(b *testing.B) {
 		}
 		err = st.SetActor(a, &types.Actor{
 			Balance: types.NewInt(1258812523),
-			Code:    actors.StorageMinerCodeCid,
-			Head:    actors.AccountCodeCid,
+			Code:    builtin.StorageMinerActorCodeID,
+			Head:    builtin.AccountActorCodeID,
 			Nonce:   uint64(i),
 		})
 		if err != nil {
 			b.Fatal(err)
 		}
-		if _, err := st.Flush(); err != nil {
+		if _, err := st.Flush(context.TODO()); err != nil {
 			b.Fatal(err)
 		}
 	}
 }

 func BenchmarkStateTree10kGetActor(b *testing.B) {
-	cst := hamt.NewCborStore()
+	cst := cbor.NewMemCborStore()
 	st, err := NewStateTree(cst)
 	if err != nil {
 		b.Fatal(err)
@@ -79,8 +83,8 @@ func BenchmarkStateTree10kGetActor(b *testing.B) {
 		}
 		err = st.SetActor(a, &types.Actor{
 			Balance: types.NewInt(1258812523 + uint64(i)),
-			Code:    actors.StorageMinerCodeCid,
-			Head:    actors.AccountCodeCid,
+			Code:    builtin.StorageMinerActorCodeID,
+			Head:    builtin.AccountActorCodeID,
 			Nonce:   uint64(i),
 		})
 		if err != nil {
@@ -88,7 +92,7 @@ func BenchmarkStateTree10kGetActor(b *testing.B) {
 		}
 	}

-	if _, err := st.Flush(); err != nil {
+	if _, err := st.Flush(context.TODO()); err != nil {
 		b.Fatal(err)
 	}

@@ -109,7 +113,7 @@ func BenchmarkStateTree10kGetActor(b *testing.B) {
 }

 func TestSetCache(t *testing.T) {
-	cst := hamt.NewCborStore()
+	cst := cbor.NewMemCborStore()
 	st, err := NewStateTree(cst)
 	if err != nil {
 		t.Fatal(err)
@@ -122,8 +126,8 @@ func TestSetCache(t *testing.T) {

 	act := &types.Actor{
 		Balance: types.NewInt(0),
-		Code:    actors.StorageMinerCodeCid,
-		Head:    actors.AccountCodeCid,
+		Code:    builtin.StorageMinerActorCodeID,
+		Head:    builtin.AccountActorCodeID,
 		Nonce:   0,
 	}

@@ -139,7 +143,136 @@ func TestSetCache(t *testing.T) {
 		t.Fatal(err)
 	}

-	if outact.Nonce != act.Nonce {
-		t.Error("nonce didn't match")
+	if outact.Nonce == 1 {
+		t.Error("nonce should not have updated")
+	}
+}
+
+func TestSnapshots(t *testing.T) {
+	ctx := context.Background()
+	cst := cbor.NewMemCborStore()
+	st, err := NewStateTree(cst)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	var addrs []address.Address
+	//for _, a := range []string{"t15ocrptbu4i5qucjvvwecihd7fqqgzb27pz5l5zy", "t1dpyvgavvl3f4ujlk6odedss54z6rt5gyuknsuva", "t1feiejbkcvozy7iltt2pxzuoq4d2kpbsusugan7a", "t3rgjfqybjx7bahuhfv7nwfg3tlm4i4zyvldfirjvzm5z5xwjoqbj3rfi2mpmlxpqwxxxafgpkjilqzpg7cefa"} {
+	for _, a := range []string{"t0100", "t0101", "t0102", "t0103"} {
+		addr, err := address.NewFromString(a)
+		if err != nil {
+			t.Fatal(err)
+		}
+		addrs = append(addrs, addr)
+	}
+
+	if err := st.Snapshot(ctx); err != nil {
+		t.Fatal(err)
+	}
+
+	if err := st.SetActor(addrs[0], &types.Actor{Code: builtin.AccountActorCodeID, Head: builtin.AccountActorCodeID, Balance: types.NewInt(55)}); err != nil {
+		t.Fatal(err)
+	}
+
+	{ // sub call that will fail
+		if err := st.Snapshot(ctx); err != nil {
+			t.Fatal(err)
+		}
+
+		if err := st.SetActor(addrs[1], &types.Actor{Code: builtin.AccountActorCodeID, Head: builtin.AccountActorCodeID, Balance: types.NewInt(77)}); err != nil {
+			t.Fatal(err)
+		}
+
+		if err := st.Revert(); err != nil {
+			t.Fatal(err)
+		}
+		st.ClearSnapshot()
+	}
+
+	// more operations in top level call...
+	if err := st.SetActor(addrs[2], &types.Actor{Code: builtin.AccountActorCodeID, Head: builtin.AccountActorCodeID, Balance: types.NewInt(123)}); err != nil {
+		t.Fatal(err)
+	}
+
+	{ // sub call that succeeds
+		if err := st.Snapshot(ctx); err != nil {
+			t.Fatal(err)
+		}
+
+		if err := st.SetActor(addrs[3], &types.Actor{Code: builtin.AccountActorCodeID, Head: builtin.AccountActorCodeID, Balance: types.NewInt(5)}); err != nil {
+			t.Fatal(err)
+		}
+
+		st.ClearSnapshot()
+	}
+
+	st.ClearSnapshot()
+
+	if _, err := st.Flush(ctx); err != nil {
+		t.Fatal(err)
+	}
+
+	assertHas(t, st, addrs[0])
+	assertNotHas(t, st, addrs[1])
+	assertHas(t, st, addrs[2])
+	assertHas(t, st, addrs[3])
+}
+
+func assertHas(t *testing.T, st *StateTree, addr address.Address) {
+	_, err := st.GetActor(addr)
+	if err != nil {
+		t.Fatal(err)
+	}
+}
+
+func assertNotHas(t *testing.T, st *StateTree, addr address.Address) {
+	_, err := st.GetActor(addr)
+	if err == nil {
+		t.Fatal("shouldnt have found actor", addr)
+	}
+}
+
+func TestStateTreeConsistency(t *testing.T) {
+	cst := cbor.NewMemCborStore()
+	st, err := NewStateTree(cst)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	var addrs []address.Address
+	for i := 100; i < 150; i++ {
+		a, err := address.NewIDAddress(uint64(i))
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		addrs = append(addrs, a)
+	}
+
+	randomCid, err := cid.Decode("bafy2bzacecu7n7wbtogznrtuuvf73dsz7wasgyneqasksdblxupnyovmtwxxu")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	for i, a := range addrs {
+		err := st.SetActor(a, &types.Actor{
+			Code:    randomCid,
+			Head:    randomCid,
+			Balance: types.NewInt(uint64(10000 + i)),
+			Nonce:   uint64(1000 - i),
+		})
+		if err != nil {
+			t.Fatalf("while setting actor: %+v", err)
+		}
+	}
+
+	root, err := st.Flush(context.TODO())
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	fmt.Println("root is: ", root)
+	if root.String() != "bafy2bzaceadyjnrv3sbjvowfl3jr4pdn5p2bf3exjjie2f3shg4oy5sub7h34" {
+		t.Fatal("MISMATCH!")
 	}
 }
@@ -4,27 +4,28 @@ import (
 	"context"
 	"fmt"

+	"github.com/filecoin-project/specs-actors/actors/abi"
 	"github.com/ipfs/go-cid"
 	"go.opencensus.io/trace"
 	"golang.org/x/xerrors"

-	"github.com/filecoin-project/lotus/chain/actors"
+	"github.com/filecoin-project/lotus/api"
 	"github.com/filecoin-project/lotus/chain/store"
 	"github.com/filecoin-project/lotus/chain/types"
 	"github.com/filecoin-project/lotus/chain/vm"
 )

-func (sm *StateManager) CallRaw(ctx context.Context, msg *types.Message, bstate cid.Cid, r vm.Rand, bheight uint64) (*types.MessageReceipt, error) {
+func (sm *StateManager) CallRaw(ctx context.Context, msg *types.Message, bstate cid.Cid, r vm.Rand, bheight abi.ChainEpoch) (*api.InvocResult, error) {
 	ctx, span := trace.StartSpan(ctx, "statemanager.CallRaw")
 	defer span.End()

-	vmi, err := vm.NewVM(bstate, bheight, r, actors.NetworkAddress, sm.cs.Blockstore(), sm.cs.VMSys())
+	vmi, err := vm.NewVM(bstate, bheight, r, sm.cs.Blockstore(), sm.cs.VMSys())
 	if err != nil {
 		return nil, xerrors.Errorf("failed to set up vm: %w", err)
 	}

-	if msg.GasLimit == types.EmptyInt {
-		msg.GasLimit = types.NewInt(10000000000)
+	if msg.GasLimit == 0 {
+		msg.GasLimit = 10000000000
 	}
 	if msg.GasPrice == types.EmptyInt {
 		msg.GasPrice = types.NewInt(0)
@@ -35,7 +36,7 @@ func (sm *StateManager) CallRaw(ctx context.Context, msg *types.Message, bstate

 	if span.IsRecordingEvents() {
 		span.AddAttributes(
-			trace.Int64Attribute("gas_limit", int64(msg.GasLimit.Uint64())),
+			trace.Int64Attribute("gas_limit", msg.GasLimit),
 			trace.Int64Attribute("gas_price", int64(msg.GasPrice.Uint64())),
 			trace.StringAttribute("value", msg.Value.String()),
 		)
@@ -49,19 +50,28 @@ func (sm *StateManager) CallRaw(ctx context.Context, msg *types.Message, bstate
 	msg.Nonce = fromActor.Nonce

 	// TODO: maybe just use the invoker directly?
-	ret, err := vmi.ApplyMessage(ctx, msg)
+	ret, err := vmi.ApplyImplicitMessage(ctx, msg)
 	if err != nil {
 		return nil, xerrors.Errorf("apply message failed: %w", err)
 	}

+	var errs string
 	if ret.ActorErr != nil {
+		errs = ret.ActorErr.Error()
 		log.Warnf("chain call failed: %s", ret.ActorErr)
 	}
-	return &ret.MessageReceipt, nil
+
+	return &api.InvocResult{
+		Msg:                msg,
+		MsgRct:             &ret.MessageReceipt,
+		InternalExecutions: ret.InternalExecutions,
+		Error:              errs,
+		Duration:           ret.Duration,
+	}, nil

 }

-func (sm *StateManager) Call(ctx context.Context, msg *types.Message, ts *types.TipSet) (*types.MessageReceipt, error) {
+func (sm *StateManager) Call(ctx context.Context, msg *types.Message, ts *types.TipSet) (*api.InvocResult, error) {
 	if ts == nil {
 		ts = sm.cs.GetHeaviestTipSet()
 	}
@@ -91,5 +101,9 @@ func (sm *StateManager) Replay(ctx context.Context, ts *types.TipSet, mcid cid.C
 		return nil, nil, xerrors.Errorf("unexpected error during execution: %w", err)
 	}

+	if outr == nil {
+		return nil, nil, xerrors.Errorf("given message not found in tipset")
+	}
+
 	return outm, outr, nil
 }
@@ -3,149 +3,23 @@ package stmgr
 import (
 	"context"

-	amt "github.com/filecoin-project/go-amt-ipld/v2"
-	"github.com/filecoin-project/lotus/build"
-	"github.com/filecoin-project/lotus/chain/actors"
-	"github.com/filecoin-project/lotus/chain/state"
+	"github.com/filecoin-project/specs-actors/actors/abi"
 	"github.com/ipfs/go-cid"
-	hamt "github.com/ipfs/go-hamt-ipld"
-	blockstore "github.com/ipfs/go-ipfs-blockstore"
-	cbg "github.com/whyrusleeping/cbor-gen"
-	"golang.org/x/xerrors"
 )

-func (sm *StateManager) handleStateForks(ctx context.Context, pstate cid.Cid, height, parentH uint64) (_ cid.Cid, err error) {
+var ForksAtHeight = map[abi.ChainEpoch]func(context.Context, *StateManager, cid.Cid) (cid.Cid, error){}
+
+func (sm *StateManager) handleStateForks(ctx context.Context, pstate cid.Cid, height, parentH abi.ChainEpoch) (_ cid.Cid, err error) {
 	for i := parentH; i < height; i++ {
-		switch i {
-		case build.ForkBlizzardHeight:
-			log.Warnw("Executing blizzard fork logic", "height", i)
-			pstate, err = fixBlizzardAMTBug(ctx, sm, pstate)
+		f, ok := ForksAtHeight[i]
+		if ok {
+			nstate, err := f(ctx, sm, pstate)
 			if err != nil {
-				return cid.Undef, xerrors.Errorf("blizzard bug fix failed: %w", err)
-			}
-		case build.ForkFrigidHeight:
-			log.Warnw("Executing frigid fork logic", "height", i)
-			pstate, err = fixBlizzardAMTBug(ctx, sm, pstate)
-			if err != nil {
-				return cid.Undef, xerrors.Errorf("frigid bug fix failed: %w", err)
-			}
-		case build.ForkBootyBayHeight:
-			log.Warnw("Executing booty bay fork logic", "height", i)
-			pstate, err = fixBlizzardAMTBug(ctx, sm, pstate)
-			if err != nil {
-				return cid.Undef, xerrors.Errorf("booty bay bug fix failed: %w", err)
+				return cid.Undef, err
 			}
+			pstate = nstate
 		}
 	}

 	return pstate, nil
 }
-
-/*
-1) Iterate through each miner in the chain:
-	1.1) Fixup their sector set and proving set
-	1.2) Change their code cid to point to the new miner actor code
-*/
-func fixBlizzardAMTBug(ctx context.Context, sm *StateManager, pstate cid.Cid) (cid.Cid, error) {
-	cst := hamt.CSTFromBstore(sm.cs.Blockstore())
-	st, err := state.LoadStateTree(cst, pstate)
-	if err != nil {
-		return cid.Undef, err
-	}
-
-	spa, err := st.GetActor(actors.StoragePowerAddress)
-	if err != nil {
-		return cid.Undef, xerrors.Errorf("failed to get storage power actor: %w", err)
-	}
-
-	var spast actors.StoragePowerState
-	if err := cst.Get(ctx, spa.Head, &spast); err != nil {
-		return cid.Undef, err
-	}
-
-	miners, err := actors.MinerSetList(ctx, cst, spast.Miners)
-	if err != nil {
-		return cid.Undef, err
-	}
-
-	for _, m := range miners {
-		mact, err := st.GetActor(m)
-		if err != nil {
-			return cid.Undef, xerrors.Errorf("getting miner actor to fix: %w", err)
-		}
-
-		nhead, err := fixMiner(ctx, cst, sm.cs.Blockstore(), mact.Head)
-		if err != nil {
-			return cid.Undef, xerrors.Errorf("fixing miner: %w", err)
-		}
-
-		if nhead != mact.Head {
-			log.Warnf("Miner %s had changes", m)
-		}
-
-		mact.Head = nhead
-		mact.Code = actors.StorageMiner2CodeCid
-
-		if err := st.SetActor(m, mact); err != nil {
-			return cid.Undef, err
-		}
-	}
-
-	return st.Flush()
-}
-
-func fixMiner(ctx context.Context, cst *hamt.CborIpldStore, bs blockstore.Blockstore, mscid cid.Cid) (cid.Cid, error) {
-	var mstate actors.StorageMinerActorState
-	if err := cst.Get(ctx, mscid, &mstate); err != nil {
-		return cid.Undef, xerrors.Errorf("failed to load miner actor state: %w", err)
-	}
-
-	amts := amt.WrapBlockstore(bs)
-
-	nsectors, err := amtFsck(amts, mstate.Sectors)
-	if err != nil {
-		return cid.Undef, xerrors.Errorf("error fsck'ing sector set: %w", err)
-	}
-	mstate.Sectors = nsectors
-
-	nproving, err := amtFsck(amts, mstate.ProvingSet)
-	if err != nil {
-		return cid.Undef, xerrors.Errorf("error fsck'ing proving set: %w", err)
-	}
-	mstate.ProvingSet = nproving
-
-	nmcid, err := cst.Put(ctx, &mstate)
-	if err != nil {
-		return cid.Undef, xerrors.Errorf("failed to put modified miner state: %w", err)
-	}
-
-	return nmcid, nil
-}
-
-func amtFsck(s amt.Blocks, ss cid.Cid) (cid.Cid, error) {
-	a, err := amt.LoadAMT(s, ss)
-	if err != nil {
-		return cid.Undef, xerrors.Errorf("could not load AMT: %w", a)
-	}
-
-	b := amt.NewAMT(s)
-
-	err = a.ForEach(func(id uint64, data *cbg.Deferred) error {
-		err := b.Set(id, data)
-		if err != nil {
-			return xerrors.Errorf("could not copy at idx (%d): %w", id, err)
-		}
-		return nil
-	})
-
-	if err != nil {
-		return cid.Undef, xerrors.Errorf("could not copy: %w", err)
-	}
-
-	nss, err := b.Flush()
-	if err != nil {
-		return cid.Undef, xerrors.Errorf("could not flush: %w", err)
-	}
-
-	return nss, nil
-}
@@ -0,0 +1,233 @@
+package stmgr_test
+
+import (
+	"context"
+	"fmt"
+	"io"
+	"testing"
+
+	"github.com/filecoin-project/go-address"
+	"github.com/filecoin-project/specs-actors/actors/abi"
+	"github.com/filecoin-project/specs-actors/actors/abi/big"
+	"github.com/filecoin-project/specs-actors/actors/builtin"
+	init_ "github.com/filecoin-project/specs-actors/actors/builtin/init"
+	"github.com/filecoin-project/specs-actors/actors/builtin/miner"
+	"github.com/filecoin-project/specs-actors/actors/builtin/power"
+	"github.com/filecoin-project/specs-actors/actors/builtin/verifreg"
+	"github.com/filecoin-project/specs-actors/actors/runtime"
+	"github.com/filecoin-project/specs-actors/actors/util/adt"
+	"golang.org/x/xerrors"
+
+	"github.com/filecoin-project/lotus/chain/actors"
+	"github.com/filecoin-project/lotus/chain/actors/aerrors"
+	"github.com/filecoin-project/lotus/chain/gen"
+	"github.com/filecoin-project/lotus/chain/state"
+	"github.com/filecoin-project/lotus/chain/stmgr"
+	. "github.com/filecoin-project/lotus/chain/stmgr"
+	"github.com/filecoin-project/lotus/chain/types"
+	"github.com/filecoin-project/lotus/chain/vm"
+	_ "github.com/filecoin-project/lotus/lib/sigs/bls"
+	_ "github.com/filecoin-project/lotus/lib/sigs/secp"
+
+	"github.com/ipfs/go-cid"
+	blockstore "github.com/ipfs/go-ipfs-blockstore"
+	cbor "github.com/ipfs/go-ipld-cbor"
+	logging "github.com/ipfs/go-log"
+	cbg "github.com/whyrusleeping/cbor-gen"
+)
+
+func init() {
+	miner.SupportedProofTypes = map[abi.RegisteredProof]struct{}{
+		abi.RegisteredProof_StackedDRG2KiBSeal: {},
+	}
+	power.ConsensusMinerMinPower = big.NewInt(2048)
+	verifreg.MinVerifiedDealSize = big.NewInt(256)
+}
+
+const testForkHeight = 40
+
+type testActor struct {
+}
+
+type testActorState struct {
+	HasUpgraded uint64
+}
+
+func (tas *testActorState) MarshalCBOR(w io.Writer) error {
+	return cbg.CborWriteHeader(w, cbg.MajUnsignedInt, tas.HasUpgraded)
+}
+
+func (tas *testActorState) UnmarshalCBOR(r io.Reader) error {
+	t, v, err := cbg.CborReadHeader(r)
+	if err != nil {
+		return err
+	}
+	if t != cbg.MajUnsignedInt {
+		return fmt.Errorf("wrong type in test actor state (got %d)", t)
+	}
+	tas.HasUpgraded = v
+	return nil
+}
+
+func (ta *testActor) Exports() []interface{} {
+	return []interface{}{
+		1: ta.Constructor,
+		2: ta.TestMethod,
+	}
+}
+
+func (ta *testActor) Constructor(rt runtime.Runtime, params *adt.EmptyValue) *adt.EmptyValue {
+	rt.ValidateImmediateCallerAcceptAny()
+	rt.State().Create(&testActorState{11})
+	fmt.Println("NEW ACTOR ADDRESS IS: ", rt.Message().Receiver())
+
+	return adt.Empty
+}
+
+func (ta *testActor) TestMethod(rt runtime.Runtime, params *adt.EmptyValue) *adt.EmptyValue {
+	rt.ValidateImmediateCallerAcceptAny()
+	var st testActorState
+	rt.State().Readonly(&st)
+
+	if rt.CurrEpoch() > testForkHeight {
+		if st.HasUpgraded != 55 {
+			panic(aerrors.Fatal("fork updating applied in wrong order"))
+		}
+	} else {
+		if st.HasUpgraded != 11 {
+			panic(aerrors.Fatal("fork updating happened too early"))
+		}
+	}
+
+	return adt.Empty
+}
+
+func TestForkHeightTriggers(t *testing.T) {
+	logging.SetAllLoggers(logging.LevelInfo)
+
+	ctx := context.TODO()
+
+	cg, err := gen.NewGenerator()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	sm := NewStateManager(cg.ChainStore())
+
+	inv := vm.NewInvoker()
+
+	// predicting the address here... may break if other assumptions change
+	taddr, err := address.NewIDAddress(1002)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	stmgr.ForksAtHeight[testForkHeight] = func(ctx context.Context, sm *StateManager, pstate cid.Cid) (cid.Cid, error) {
+		cst := cbor.NewCborStore(sm.ChainStore().Blockstore())
+		st, err := state.LoadStateTree(cst, pstate)
+		if err != nil {
+			return cid.Undef, err
+		}
+
+		act, err := st.GetActor(taddr)
+		if err != nil {
+			return cid.Undef, err
+		}
+
+		var tas testActorState
+		if err := cst.Get(ctx, act.Head, &tas); err != nil {
+			return cid.Undef, xerrors.Errorf("in fork handler, failed to run get: %w", err)
+		}
+
+		tas.HasUpgraded = 55
+
+		ns, err := cst.Put(ctx, &tas)
+		if err != nil {
+			return cid.Undef, err
+		}
+
+		act.Head = ns
+
+		if err := st.SetActor(taddr, act); err != nil {
+			return cid.Undef, err
+		}
+
+		return st.Flush(ctx)
+	}
+
+	inv.Register(builtin.PaymentChannelActorCodeID, &testActor{}, &testActorState{})
+	sm.SetVMConstructor(func(c cid.Cid, h abi.ChainEpoch, r vm.Rand, b blockstore.Blockstore, s runtime.Syscalls) (*vm.VM, error) {
+		nvm, err := vm.NewVM(c, h, r, b, s)
+		if err != nil {
+			return nil, err
+		}
+		nvm.SetInvoker(inv)
+		return nvm, nil
+	})
+
+	cg.SetStateManager(sm)
+
+	var msgs []*types.SignedMessage
+
+	enc, err := actors.SerializeParams(&init_.ExecParams{CodeCID: builtin.PaymentChannelActorCodeID})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	m := &types.Message{
+		From:     cg.Banker(),
+		To:       builtin.InitActorAddr,
+		Method:   builtin.MethodsInit.Exec,
+		Params:   enc,
+		GasLimit: 10000,
+		GasPrice: types.NewInt(0),
+	}
+	sig, err := cg.Wallet().Sign(ctx, cg.Banker(), m.Cid().Bytes())
+	if err != nil {
+		t.Fatal(err)
+	}
+	msgs = append(msgs, &types.SignedMessage{
+		Signature: *sig,
+		Message:   *m,
+	})
+
+	nonce := uint64(1)
+	cg.GetMessages = func(cg *gen.ChainGen) ([]*types.SignedMessage, error) {
+		if len(msgs) > 0 {
+			fmt.Println("added construct method")
+			m := msgs
+			msgs = nil
+			return m, nil
+		}
+
+		m := &types.Message{
+			From:     cg.Banker(),
+			To:       taddr,
+			Method:   2,
+			Params:   nil,
+			Nonce:    nonce,
+			GasLimit: 10000,
+			GasPrice: types.NewInt(0),
+		}
+		nonce++
+
+		sig, err := cg.Wallet().Sign(ctx, cg.Banker(), m.Cid().Bytes())
+		if err != nil {
+			return nil, err
+		}
+
+		return []*types.SignedMessage{
+			{
+				Signature: *sig,
+				Message:   *m,
+			},
+		}, nil
+	}
+
+	for i := 0; i < 50; i++ {
+		_, err = cg.NextTipSet()
+		if err != nil {
+			t.Fatal(err)
+		}
+	}
+}
@@ -6,18 +6,28 @@ import (
 	"sync"

 	"github.com/filecoin-project/go-address"
-	amt "github.com/filecoin-project/go-amt-ipld"
+	amt "github.com/filecoin-project/go-amt-ipld/v2"
+	"github.com/filecoin-project/lotus/api"
 	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/state"
 	"github.com/filecoin-project/lotus/chain/store"
 	"github.com/filecoin-project/lotus/chain/types"
 	"github.com/filecoin-project/lotus/chain/vm"
+	"github.com/filecoin-project/specs-actors/actors/abi"
+	"github.com/filecoin-project/specs-actors/actors/abi/big"
+	"github.com/filecoin-project/specs-actors/actors/builtin"
+	"github.com/filecoin-project/specs-actors/actors/builtin/market"
+	"github.com/filecoin-project/specs-actors/actors/builtin/reward"
+	"github.com/filecoin-project/specs-actors/actors/runtime"
+	"github.com/filecoin-project/specs-actors/actors/util/adt"
 	cbg "github.com/whyrusleeping/cbor-gen"
 	"golang.org/x/xerrors"

 	bls "github.com/filecoin-project/filecoin-ffi"
 	"github.com/ipfs/go-cid"
 	hamt "github.com/ipfs/go-hamt-ipld"
+	blockstore "github.com/ipfs/go-ipfs-blockstore"
+	cbor "github.com/ipfs/go-ipld-cbor"
 	logging "github.com/ipfs/go-log/v2"
 	"go.opencensus.io/trace"
 )
@@ -30,10 +40,12 @@ type StateManager struct {
 	stCache  map[string][]cid.Cid
 	compWait map[string]chan struct{}
 	stlk     sync.Mutex
+	newVM    func(cid.Cid, abi.ChainEpoch, vm.Rand, blockstore.Blockstore, runtime.Syscalls) (*vm.VM, error)
 }

 func NewStateManager(cs *store.ChainStore) *StateManager {
 	return &StateManager{
+		newVM:    vm.NewVM,
 		cs:       cs,
 		stCache:  make(map[string][]cid.Cid),
 		compWait: make(map[string]chan struct{}),
@@ -105,7 +117,157 @@ func (sm *StateManager) TipSetState(ctx context.Context, ts *types.TipSet) (st c
 	return st, rec, nil
 }

-func (sm *StateManager) computeTipSetState(ctx context.Context, blks []*types.BlockHeader, cb func(cid.Cid, *types.Message, *vm.ApplyRet) error) (cid.Cid, cid.Cid, error) {
+func (sm *StateManager) ExecutionTrace(ctx context.Context, ts *types.TipSet) (cid.Cid, []*api.InvocResult, error) {
+	var trace []*api.InvocResult
+	st, _, err := sm.computeTipSetState(ctx, ts.Blocks(), func(mcid cid.Cid, msg *types.Message, ret *vm.ApplyRet) error {
+		ir := &api.InvocResult{
+			Msg:                msg,
+			MsgRct:             &ret.MessageReceipt,
+			InternalExecutions: ret.InternalExecutions,
+			Duration:           ret.Duration,
+		}
+		if ret.ActorErr != nil {
+			ir.Error = ret.ActorErr.Error()
+		}
+		trace = append(trace, ir)
+		return nil
+	})
+	if err != nil {
+		return cid.Undef, nil, err
+	}
+
+	return st, trace, nil
+}
+
+type BlockMessages struct {
+	Miner         address.Address
+	BlsMessages   []types.ChainMsg
+	SecpkMessages []types.ChainMsg
+	TicketCount   int64
+}
+
+type ExecCallback func(cid.Cid, *types.Message, *vm.ApplyRet) error
+
+func (sm *StateManager) ApplyBlocks(ctx context.Context, pstate cid.Cid, bms []BlockMessages, epoch abi.ChainEpoch, r vm.Rand, cb ExecCallback) (cid.Cid, cid.Cid, error) {
+	vmi, err := sm.newVM(pstate, epoch, r, sm.cs.Blockstore(), sm.cs.VMSys())
+	if err != nil {
+		return cid.Undef, cid.Undef, xerrors.Errorf("instantiating VM failed: %w", err)
+	}
+
+	var receipts []cbg.CBORMarshaler
+	processedMsgs := map[cid.Cid]bool{}
+	for _, b := range bms {
+		penalty := types.NewInt(0)
+		gasReward := big.Zero()
+
+		for _, cm := range append(b.BlsMessages, b.SecpkMessages...) {
+			m := cm.VMMessage()
+			if _, found := processedMsgs[m.Cid()]; found {
+				continue
+			}
+			r, err := vmi.ApplyMessage(ctx, cm)
+			if err != nil {
+				return cid.Undef, cid.Undef, err
+			}
+
+			receipts = append(receipts, &r.MessageReceipt)
+			gasReward = big.Add(gasReward, big.Mul(m.GasPrice, big.NewInt(r.GasUsed)))
+			penalty = big.Add(penalty, r.Penalty)
+
+			if cb != nil {
+				if err := cb(cm.Cid(), m, r); err != nil {
+					return cid.Undef, cid.Undef, err
+				}
+			}
+			processedMsgs[m.Cid()] = true
+		}
+
+		var err error
+		params, err := actors.SerializeParams(&reward.AwardBlockRewardParams{
+			Miner:       b.Miner,
+			Penalty:     penalty,
+			GasReward:   gasReward,
+			TicketCount: 1, // TODO: no longer need ticket count here.
+		})
+		if err != nil {
+			return cid.Undef, cid.Undef, xerrors.Errorf("failed to serialize award params: %w", err)
+		}
+
+		sysAct, err := vmi.StateTree().GetActor(builtin.SystemActorAddr)
+		if err != nil {
+			return cid.Undef, cid.Undef, xerrors.Errorf("failed to get system actor: %w", err)
+		}
+
+		rwMsg := &types.Message{
+			From:     builtin.SystemActorAddr,
+			To:       builtin.RewardActorAddr,
+			Nonce:    sysAct.Nonce,
+			Value:    types.NewInt(0),
+			GasPrice: types.NewInt(0),
+			GasLimit: 1 << 30,
+			Method:   builtin.MethodsReward.AwardBlockReward,
+			Params:   params,
+		}
+		ret, err := vmi.ApplyImplicitMessage(ctx, rwMsg)
+		if err != nil {
+			return cid.Undef, cid.Undef, xerrors.Errorf("failed to apply reward message for miner %s: %w", b.Miner, err)
+		}
+		if cb != nil {
+			if err := cb(rwMsg.Cid(), rwMsg, ret); err != nil {
+				return cid.Undef, cid.Undef, xerrors.Errorf("callback failed on reward message: %w", err)
+			}
+		}
+
+		if ret.ExitCode != 0 {
+			return cid.Undef, cid.Undef, xerrors.Errorf("reward application message failed (exit %d): %s", ret.ExitCode, ret.ActorErr)
+		}
+
+	}
+
+	// TODO: this nonce-getting is a tiny bit ugly
+	ca, err := vmi.StateTree().GetActor(builtin.SystemActorAddr)
+	if err != nil {
+		return cid.Undef, cid.Undef, err
+	}
+
+	cronMsg := &types.Message{
+		To:       builtin.CronActorAddr,
+		From:     builtin.SystemActorAddr,
+		Nonce:    ca.Nonce,
+		Value:    types.NewInt(0),
+		GasPrice: types.NewInt(0),
+		GasLimit: 1 << 30, // Make super sure this is never too little
+		Method:   builtin.MethodsCron.EpochTick,
+		Params:   nil,
+	}
+	ret, err := vmi.ApplyImplicitMessage(ctx, cronMsg)
+	if err != nil {
+		return cid.Undef, cid.Undef, err
+	}
+	if cb != nil {
+		if err := cb(cronMsg.Cid(), cronMsg, ret); err != nil {
+			return cid.Undef, cid.Undef, xerrors.Errorf("callback failed on cron message: %w", err)
+		}
+	}
+	if ret.ExitCode != 0 {
+		return cid.Undef, cid.Undef, xerrors.Errorf("CheckProofSubmissions exit was non-zero: %d", ret.ExitCode)
+	}
+
+	bs := cbor.NewCborStore(sm.cs.Blockstore())
+	rectroot, err := amt.FromArray(ctx, bs, receipts)
+	if err != nil {
+		return cid.Undef, cid.Undef, xerrors.Errorf("failed to build receipts amt: %w", err)
+	}
+
+	st, err := vmi.Flush(ctx)
+	if err != nil {
+		return cid.Undef, cid.Undef, xerrors.Errorf("vm flush failed: %w", err)
+	}
+
+	return st, rectroot, nil
+}
+
+func (sm *StateManager) computeTipSetState(ctx context.Context, blks []*types.BlockHeader, cb ExecCallback) (cid.Cid, cid.Cid, error) {
 	ctx, span := trace.StartSpan(ctx, "computeTipSetState")
 	defer span.End()

@@ -139,167 +301,55 @@ func (sm *StateManager) computeTipSetState(ctx context.Context, blks []*types.Bl

 	r := store.NewChainRand(sm.cs, cids, blks[0].Height)

-	vmi, err := vm.NewVM(pstate, blks[0].Height, r, address.Undef, sm.cs.Blockstore(), sm.cs.VMSys())
-	if err != nil {
-		return cid.Undef, cid.Undef, xerrors.Errorf("instantiating VM failed: %w", err)
-	}
-
-	netact, err := vmi.StateTree().GetActor(actors.NetworkAddress)
-	if err != nil {
-		return cid.Undef, cid.Undef, xerrors.Errorf("failed to get network actor: %w", err)
-	}
-	reward := vm.MiningReward(netact.Balance)
-	for tsi, b := range blks {
-		netact, err = vmi.StateTree().GetActor(actors.NetworkAddress)
-		if err != nil {
-			return cid.Undef, cid.Undef, xerrors.Errorf("failed to get network actor: %w", err)
-		}
-		vmi.SetBlockMiner(b.Miner)
-
-		owner, err := GetMinerOwner(ctx, sm, pstate, b.Miner)
-		if err != nil {
-			return cid.Undef, cid.Undef, xerrors.Errorf("failed to get owner for miner %s: %w", b.Miner, err)
-		}
-
-		act, err := vmi.StateTree().GetActor(owner)
-		if err != nil {
-			return cid.Undef, cid.Undef, xerrors.Errorf("failed to get miner owner actor")
-		}
-
-		if err := vm.Transfer(netact, act, reward); err != nil {
-			return cid.Undef, cid.Undef, xerrors.Errorf("failed to deduct funds from network actor: %w", err)
-		}
-
-		// all block miners created a valid post, go update the actor state
-		postSubmitMsg := &types.Message{
-			From:     actors.NetworkAddress,
-			Nonce:    netact.Nonce,
-			To:       b.Miner,
-			Method:   actors.MAMethods.SubmitElectionPoSt,
-			GasPrice: types.NewInt(0),
-			GasLimit: types.NewInt(10000000000),
-			Value:    types.NewInt(0),
-		}
-		ret, err := vmi.ApplyMessage(ctx, postSubmitMsg)
-		if err != nil {
-			return cid.Undef, cid.Undef, xerrors.Errorf("submit election post message for block %s (miner %s) invocation failed: %w", b.Cid(), b.Miner, err)
-		}
-		if ret.ExitCode != 0 {
-			return cid.Undef, cid.Undef, xerrors.Errorf("submit election post invocation returned nonzero exit code: %d (err = %s, block = %s, miner = %s, tsi = %d)", ret.ExitCode, ret.ActorErr, b.Cid(), b.Miner, tsi)
-		}
-	}
-
-	// TODO: can't use method from chainstore because it doesnt let us know who the block miners were
-	applied := make(map[address.Address]uint64)
-	balances := make(map[address.Address]types.BigInt)
-
-	preloadAddr := func(a address.Address) error {
-		if _, ok := applied[a]; !ok {
-			act, err := vmi.StateTree().GetActor(a)
-			if err != nil {
-				return err
-			}
-
-			applied[a] = act.Nonce
-			balances[a] = act.Balance
-		}
-		return nil
-	}
-
-	var receipts []cbg.CBORMarshaler
+	var blkmsgs []BlockMessages
 	for _, b := range blks {
-		vmi.SetBlockMiner(b.Miner)
-
 		bms, sms, err := sm.cs.MessagesForBlock(b)
 		if err != nil {
 			return cid.Undef, cid.Undef, xerrors.Errorf("failed to get messages for block: %w", err)
 		}

-		cmsgs := make([]store.ChainMsg, 0, len(bms)+len(sms))
+		bm := BlockMessages{
+			Miner:         b.Miner,
+			BlsMessages:   make([]types.ChainMsg, 0, len(bms)),
+			SecpkMessages: make([]types.ChainMsg, 0, len(sms)),
+			TicketCount:   1, //int64(len(b.EPostProof.Proofs)), // TODO fix this
+		}
+
 		for _, m := range bms {
-			cmsgs = append(cmsgs, m)
-		}
-		for _, sm := range sms {
-			cmsgs = append(cmsgs, sm)
+			bm.BlsMessages = append(bm.BlsMessages, m)
 		}

-		for _, cm := range cmsgs {
-			m := cm.VMMessage()
-			if err := preloadAddr(m.From); err != nil {
-				return cid.Undef, cid.Undef, err
-			}
-
-			if applied[m.From] != m.Nonce {
-				continue
-			}
-			applied[m.From]++
-
-			if balances[m.From].LessThan(m.RequiredFunds()) {
-				continue
-			}
-			balances[m.From] = types.BigSub(balances[m.From], m.RequiredFunds())
-
-			r, err := vmi.ApplyMessage(ctx, m)
-			if err != nil {
-				return cid.Undef, cid.Undef, err
-			}
-
-			receipts = append(receipts, &r.MessageReceipt)
-
-			if cb != nil {
-				if err := cb(cm.Cid(), m, r); err != nil {
-					return cid.Undef, cid.Undef, err
-				}
-			}
+		for _, m := range sms {
+			bm.SecpkMessages = append(bm.SecpkMessages, m)
 		}
+
+		blkmsgs = append(blkmsgs, bm)
 	}

-	// TODO: this nonce-getting is a tiny bit ugly
-	ca, err := vmi.StateTree().GetActor(actors.CronAddress)
-	if err != nil {
-		return cid.Undef, cid.Undef, err
-	}
-
-	ret, err := vmi.ApplyMessage(ctx, &types.Message{
-		To:       actors.CronAddress,
-		From:     actors.CronAddress,
-		Nonce:    ca.Nonce,
-		Value:    types.NewInt(0),
-		GasPrice: types.NewInt(0),
-		GasLimit: types.NewInt(1 << 30), // Make super sure this is never too little
-		Method:   actors.CAMethods.EpochTick,
-		Params:   nil,
-	})
-	if err != nil {
-		return cid.Undef, cid.Undef, err
-	}
-	if ret.ExitCode != 0 {
-		return cid.Undef, cid.Undef, xerrors.Errorf("CheckProofSubmissions exit was non-zero: %d", ret.ExitCode)
-	}
-
-	bs := amt.WrapBlockstore(sm.cs.Blockstore())
-	rectroot, err := amt.FromArray(bs, receipts)
-	if err != nil {
-		return cid.Undef, cid.Undef, xerrors.Errorf("failed to build receipts amt: %w", err)
-	}
-
-	st, err := vmi.Flush(ctx)
-	if err != nil {
-		return cid.Undef, cid.Undef, xerrors.Errorf("vm flush failed: %w", err)
-	}
-
-	return st, rectroot, nil
+	return sm.ApplyBlocks(ctx, pstate, blkmsgs, blks[0].Height, r, cb)
 }

-func (sm *StateManager) GetActor(addr address.Address, ts *types.TipSet) (*types.Actor, error) {
+func (sm *StateManager) parentState(ts *types.TipSet) cid.Cid {
 	if ts == nil {
 		ts = sm.cs.GetHeaviestTipSet()
 	}

-	stcid := ts.ParentState()
+	return ts.ParentState()
+}

-	cst := hamt.CSTFromBstore(sm.cs.Blockstore())
-	state, err := state.LoadStateTree(cst, stcid)
+func (sm *StateManager) GetActor(addr address.Address, ts *types.TipSet) (*types.Actor, error) {
+	cst := cbor.NewCborStore(sm.cs.Blockstore())
+	state, err := state.LoadStateTree(cst, sm.parentState(ts))
+	if err != nil {
+		return nil, xerrors.Errorf("load state tree: %w", err)
+	}
+
+	return state.GetActor(addr)
+}
+
+func (sm *StateManager) getActorRaw(addr address.Address, st cid.Cid) (*types.Actor, error) {
+	cst := cbor.NewCborStore(sm.cs.Blockstore())
+	state, err := state.LoadStateTree(cst, st)
 	if err != nil {
 		return nil, xerrors.Errorf("load state tree: %w", err)
 	}
@@ -329,13 +379,34 @@ func (sm *StateManager) LoadActorState(ctx context.Context, a address.Address, o
 		return nil, err
 	}

-	cst := hamt.CSTFromBstore(sm.cs.Blockstore())
+	cst := cbor.NewCborStore(sm.cs.Blockstore())
+	if err := cst.Get(ctx, act.Head, out); err != nil {
+		var r cbg.Deferred
+		_ = cst.Get(ctx, act.Head, &r)
+		log.Errorw("bad actor head", "error", err, "raw", r.Raw, "address", a)
+
+		return nil, err
+	}
+
+	return act, nil
+}
+
+func (sm *StateManager) LoadActorStateRaw(ctx context.Context, a address.Address, out interface{}, st cid.Cid) (*types.Actor, error) {
+	act, err := sm.getActorRaw(a, st)
+	if err != nil {
+		return nil, err
+	}
+
+	cst := cbor.NewCborStore(sm.cs.Blockstore())
 	if err := cst.Get(ctx, act.Head, out); err != nil {
 		return nil, err
 	}

 	return act, nil
 }
+
+// ResolveToKeyAddress is similar to `vm.ResolveToKeyAddr` but does not allow `Actor` type of addresses.
+// Uses the `TipSet` `ts` to generate the VM state.
 func (sm *StateManager) ResolveToKeyAddress(ctx context.Context, addr address.Address, ts *types.TipSet) (address.Address, error) {
 	switch addr.Protocol() {
 	case address.BLS, address.SECP256K1:
@@ -354,7 +425,7 @@ func (sm *StateManager) ResolveToKeyAddress(ctx context.Context, addr address.Ad
 		return address.Undef, xerrors.Errorf("resolve address failed to get tipset state: %w", err)
 	}

-	cst := hamt.CSTFromBstore(sm.cs.Blockstore())
+	cst := cbor.NewCborStore(sm.cs.Blockstore())
 	tree, err := state.LoadStateTree(cst, st)
 	if err != nil {
 		return address.Undef, xerrors.Errorf("failed to load state tree")
@@ -377,6 +448,15 @@ func (sm *StateManager) GetBlsPublicKey(ctx context.Context, addr address.Addres
 	return pubk, nil
 }

+func (sm *StateManager) LookupID(ctx context.Context, addr address.Address, ts *types.TipSet) (address.Address, error) {
+	cst := cbor.NewCborStore(sm.cs.Blockstore())
+	state, err := state.LoadStateTree(cst, sm.parentState(ts))
+	if err != nil {
+		return address.Undef, xerrors.Errorf("load state tree: %w", err)
+	}
+	return state.LookupID(addr)
+}
+
 func (sm *StateManager) GetReceipt(ctx context.Context, msg cid.Cid, ts *types.TipSet) (*types.MessageReceipt, error) {
 	m, err := sm.cs.GetCMessage(msg)
 	if err != nil {
@@ -400,7 +480,10 @@ func (sm *StateManager) GetReceipt(ctx context.Context, msg cid.Cid, ts *types.T
 	return r, nil
 }

-func (sm *StateManager) WaitForMessage(ctx context.Context, mcid cid.Cid) (*types.TipSet, *types.MessageReceipt, error) {
+// WaitForMessage blocks until a message appears on chain. It looks backwards in the chain to see if this has already
+// happened. It guarantees that the message has been on chain for at least confidence epochs without being reverted
+// before returning.
+func (sm *StateManager) WaitForMessage(ctx context.Context, mcid cid.Cid, confidence uint64) (*types.TipSet, *types.MessageReceipt, error) {
 	ctx, cancel := context.WithCancel(ctx)
 	defer cancel()

@@ -448,6 +531,11 @@ func (sm *StateManager) WaitForMessage(ctx context.Context, mcid cid.Cid) (*type
 		close(backSearchWait)
 	}()

+	var candidateTs *types.TipSet
+	var candidateRcp *types.MessageReceipt
+	heightOfHead := head[0].Val.Height()
+	reverts := map[types.TipSetKey]bool{}
+
 	for {
 		select {
 		case notif, ok := <-tsub:
@@ -457,21 +545,44 @@ func (sm *StateManager) WaitForMessage(ctx context.Context, mcid cid.Cid) (*type
 			for _, val := range notif {
 				switch val.Type {
 				case store.HCRevert:
-					continue
+					if val.Val.Equals(candidateTs) {
+						candidateTs = nil
+						candidateRcp = nil
+					}
+					if backSearchWait != nil {
+						reverts[val.Val.Key()] = true
+					}
 				case store.HCApply:
+					if candidateTs != nil && val.Val.Height() >= candidateTs.Height()+abi.ChainEpoch(confidence) {
+						return candidateTs, candidateRcp, nil
+					}
 					r, err := sm.tipsetExecutedMessage(val.Val, mcid, msg.VMMessage())
 					if err != nil {
 						return nil, nil, err
 					}
 					if r != nil {
-						return val.Val, r, nil
+						if confidence == 0 {
+							return val.Val, r, err
+						}
+						candidateTs = val.Val
+						candidateRcp = r
 					}
+					heightOfHead = val.Val.Height()
 				}
 			}
 		case <-backSearchWait:
-			if backTs != nil {
-				return backTs, backRcp, nil
+			// check if we found the message in the chain and that is hasn't been reverted since we started searching
+			if backTs != nil && !reverts[backTs.Key()] {
+				// if head is at or past confidence interval, return immediately
+				if heightOfHead >= backTs.Height()+abi.ChainEpoch(confidence) {
+					return backTs, backRcp, nil
+				}
+
+				// wait for confidence interval
+				candidateTs = backTs
+				candidateRcp = backRcp
 			}
+			reverts = nil
 			backSearchWait = nil
 		case <-ctx.Done():
 			return nil, nil, ctx.Err()
@@ -479,7 +590,38 @@ func (sm *StateManager) WaitForMessage(ctx context.Context, mcid cid.Cid) (*type
 	}
 }

-func (sm *StateManager) searchBackForMsg(ctx context.Context, from *types.TipSet, m store.ChainMsg) (*types.TipSet, *types.MessageReceipt, error) {
+func (sm *StateManager) SearchForMessage(ctx context.Context, mcid cid.Cid) (*types.TipSet, *types.MessageReceipt, error) {
+	msg, err := sm.cs.GetCMessage(mcid)
+	if err != nil {
+		return nil, nil, fmt.Errorf("failed to load message: %w", err)
+	}
+
+	head := sm.cs.GetHeaviestTipSet()
+
+	r, err := sm.tipsetExecutedMessage(head, mcid, msg.VMMessage())
+	if err != nil {
+		return nil, nil, err
+	}
+
+	if r != nil {
+		return head, r, nil
+	}
+
+	fts, r, err := sm.searchBackForMsg(ctx, head, msg)
+
+	if err != nil {
+		log.Warnf("failed to look back through chain for message %s", mcid)
+		return nil, nil, err
+	}
+
+	if fts == nil {
+		return nil, nil, nil
+	}
+
+	return fts, r, nil
+}
+
+func (sm *StateManager) searchBackForMsg(ctx context.Context, from *types.TipSet, m types.ChainMsg) (*types.TipSet, *types.MessageReceipt, error) {

 	cur := from
 	for {
@@ -572,8 +714,8 @@ func (sm *StateManager) ListAllActors(ctx context.Context, ts *types.TipSet) ([]
 		return nil, err
 	}

-	cst := hamt.CSTFromBstore(sm.cs.Blockstore())
-	r, err := hamt.LoadNode(ctx, cst, st)
+	cst := cbor.NewCborStore(sm.cs.Blockstore())
+	r, err := hamt.LoadNode(ctx, cst, st, hamt.UseTreeBitWidth(5))
 	if err != nil {
 		return nil, err
 	}
@@ -594,16 +736,86 @@ func (sm *StateManager) ListAllActors(ctx context.Context, ts *types.TipSet) ([]
 	return out, nil
 }

-func (sm *StateManager) MarketBalance(ctx context.Context, addr address.Address, ts *types.TipSet) (actors.StorageParticipantBalance, error) {
-	var state actors.StorageMarketState
-	if _, err := sm.LoadActorState(ctx, actors.StorageMarketAddress, &state, ts); err != nil {
-		return actors.StorageParticipantBalance{}, err
-	}
-	cst := hamt.CSTFromBstore(sm.cs.Blockstore())
-	b, _, err := actors.GetMarketBalances(ctx, cst, state.Balances, addr)
+func (sm *StateManager) MarketBalance(ctx context.Context, addr address.Address, ts *types.TipSet) (api.MarketBalance, error) {
+	var state market.State
+	_, err := sm.LoadActorState(ctx, builtin.StorageMarketActorAddr, &state, ts)
 	if err != nil {
-		return actors.StorageParticipantBalance{}, err
+		return api.MarketBalance{}, err
 	}

-	return b[0], nil
+	addr, err = sm.LookupID(ctx, addr, ts)
+	if err != nil {
+		return api.MarketBalance{}, err
+	}
+
+	var out api.MarketBalance
+
+	et, err := adt.AsBalanceTable(sm.cs.Store(ctx), state.EscrowTable)
+	if err != nil {
+		return api.MarketBalance{}, err
+	}
+	ehas, err := et.Has(addr)
+	if err != nil {
+		return api.MarketBalance{}, err
+	}
+	if ehas {
+		out.Escrow, err = et.Get(addr)
+		if err != nil {
+			return api.MarketBalance{}, xerrors.Errorf("getting escrow balance: %w", err)
+		}
+	} else {
+		out.Escrow = big.Zero()
+	}
+
+	lt, err := adt.AsBalanceTable(sm.cs.Store(ctx), state.LockedTable)
+	if err != nil {
+		return api.MarketBalance{}, err
+	}
+	lhas, err := lt.Has(addr)
+	if err != nil {
+		return api.MarketBalance{}, err
+	}
+	if lhas {
+		out.Locked, err = lt.Get(addr)
+		if err != nil {
+			return api.MarketBalance{}, xerrors.Errorf("getting locked balance: %w", err)
+		}
+	} else {
+		out.Locked = big.Zero()
+	}
+
+	return out, nil
+}
+
+func (sm *StateManager) ValidateChain(ctx context.Context, ts *types.TipSet) error {
+	tschain := []*types.TipSet{ts}
+	for ts.Height() != 0 {
+		next, err := sm.cs.LoadTipSet(ts.Parents())
+		if err != nil {
+			return err
+		}
+
+		tschain = append(tschain, next)
+		ts = next
+	}
+
+	lastState := tschain[len(tschain)-1].ParentState()
+	for i := len(tschain) - 1; i >= 0; i-- {
+		cur := tschain[i]
+		log.Infof("computing state (height: %d, ts=%s)", cur.Height(), cur.Cids())
+		if cur.ParentState() != lastState {
+			return xerrors.Errorf("tipset chain had state mismatch at height %d", cur.Height())
+		}
+		st, _, err := sm.TipSetState(ctx, cur)
+		if err != nil {
+			return err
+		}
+		lastState = st
+	}
+
+	return nil
+}
+
+func (sm *StateManager) SetVMConstructor(nvm func(cid.Cid, abi.ChainEpoch, vm.Rand, blockstore.Blockstore, runtime.Syscalls) (*vm.VM, error)) {
+	sm.newVM = nvm
 }
--- a/Show More
+++ b/Show More