Merge remote-tracking branch 'origin/next' into fix/sealing-betterering

2020-06-05 14:00:47 +02:00 · 2020-06-05 14:00:47 +02:00 · 7ae9d26cd1
commit 7ae9d26cd1
parent 9e5cc7c910 60101fd97b
81 changed files with 532 additions and 200 deletions
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@ -1,6 +1,6 @@
 version: 2.1
 orbs:
-  go: gotest/tools@0.0.9
+  go: gotest/tools@0.0.13

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

  build-all:
@ -87,12 +86,8 @@ 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:
@ -112,10 +107,6 @@ 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 debug

@ -159,10 +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
@ -193,13 +180,6 @@ 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
@ -234,10 +214,9 @@ jobs:
            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
@ -264,7 +243,6 @@ jobs:
    steps:
      - install-deps
      - prepare
-      - go/mod-download
      - run:
          command: "! go fmt ./... 2>&1 | read"

@ -277,7 +255,7 @@ jobs:
        default: golang
      golangci-lint-version:
        type: string
-        default: 1.23.8
+        default: 1.27.0
      concurrency:
        type: string
        default: '2'
@ -293,7 +271,6 @@ jobs:
    steps:
      - install-deps
      - prepare
-      - go/mod-download
      - run:
          command: make deps
          no_output_timeout: 30m
@ -303,7 +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
--- a/api/api_common.go
+++ b/api/api_common.go
@ -25,6 +25,7 @@ type Common interface {
 	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)
@ -34,6 +35,9 @@ type Common interface {

 	LogList(context.Context) ([]string, error)
 	LogSetLevel(context.Context, string, string) error
+
+	// trigger graceful shutdown
+	Shutdown(context.Context) error
 }

 // Version provides various build-time information
--- a/api/api_full.go
+++ b/api/api_full.go
@ -156,7 +156,7 @@ type FullNode interface {
 	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(context.Context, cid.Cid) (*MsgLookup, 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)
--- a/api/apistruct/struct.go
+++ b/api/apistruct/struct.go
@ -42,12 +42,15 @@ type CommonStruct struct {
 		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"`
+
+		Shutdown func(context.Context) error `perm:"admin"`
 	}
 }

@ -135,7 +138,7 @@ type FullNodeStruct struct {
 		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(context.Context, cid.Cid) (*api.MsgLookup, 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"`
@ -258,6 +261,9 @@ func (c *CommonStruct) AuthNew(ctx context.Context, perms []auth.Permission) ([]
 	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)
 }
@ -300,6 +306,10 @@ func (c *CommonStruct) LogSetLevel(ctx context.Context, group, level string) err
 	return c.Internal.LogSetLevel(ctx, group, level)
 }

+func (c *CommonStruct) Shutdown(ctx context.Context) error {
+	return c.Internal.Shutdown(ctx)
+}
+
 // FullNodeStruct

 func (c *FullNodeStruct) ClientListImports(ctx context.Context) ([]api.Import, error) {
@ -592,8 +602,8 @@ func (c *FullNodeStruct) StatePledgeCollateral(ctx context.Context, tsk types.Ti
 	return c.Internal.StatePledgeCollateral(ctx, tsk)
 }

-func (c *FullNodeStruct) StateWaitMsg(ctx context.Context, msgc cid.Cid) (*api.MsgLookup, error) {
-	return c.Internal.StateWaitMsg(ctx, msgc)
+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) {
--- a/api/types.go
+++ b/api/types.go
@ -3,6 +3,7 @@ package api
 import (
 	"encoding/json"

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

@ -33,3 +34,8 @@ type ObjStat struct {
 	Size  uint64
 	Links uint64
 }
+
+type PubsubScore struct {
+	ID    peer.ID
+	Score float64
+}
--- a/build/params_shared.go
+++ b/build/params_shared.go
@ -59,6 +59,7 @@ var BlocksPerEpoch = uint64(builtin.ExpectedLeadersPerEpoch)

 // Epochs
 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
--- a/chain/stmgr/stmgr.go
+++ b/chain/stmgr/stmgr.go
@ -480,7 +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()

@ -528,6 +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:
@ -537,21 +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 {
+			// 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()
@ -610,9 +641,9 @@ func (sm *StateManager) searchBackForMsg(ctx context.Context, from *types.TipSet
 			return nil, nil, err
 		}

-		if act.Nonce < m.VMMessage().Nonce {
-			// nonce on chain is before message nonce we're looking for, its
-			// not going to be here
+		// we either have no messages from the sender, or the latest message we found has a lower nonce than the one being searched for,
+		// either way, no reason to lookback, it ain't there
+		if act.Nonce == 0 || act.Nonce < m.VMMessage().Nonce {
 			return nil, nil, nil
 		}

--- a/chain/types/execresult.go
+++ b/chain/types/execresult.go
@ -1,9 +1,12 @@
 package types

+import "time"
+
 type ExecutionResult struct {
 	Msg      *Message
 	MsgRct   *MessageReceipt
 	Error    string
+	Duration time.Duration

 	Subcalls []*ExecutionResult
 }
--- a/chain/vm/runtime.go
+++ b/chain/vm/runtime.go
@ -5,6 +5,7 @@ import (
 	"context"
 	"encoding/binary"
 	"fmt"
+	"time"

 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/specs-actors/actors/abi"
@ -367,6 +368,7 @@ func (rt *Runtime) Send(to address.Address, method abi.MethodNum, m vmr.CBORMars
 }

 func (rt *Runtime) internalSend(from, to address.Address, method abi.MethodNum, value types.BigInt, params []byte) ([]byte, aerrors.ActorError) {
+	start := time.Now()
 	ctx, span := trace.StartSpan(rt.ctx, "vmc.Send")
 	defer span.End()
 	if span.IsRecordingEvents() {
@ -408,6 +410,7 @@ func (rt *Runtime) internalSend(from, to address.Address, method abi.MethodNum,
 	er := types.ExecutionResult{
 		Msg:      msg,
 		MsgRct:   &mr,
+		Duration: time.Since(start),
 	}

 	if errSend != nil {
--- a/cli/auth.go
+++ b/cli/auth.go
@ -4,7 +4,7 @@ import (
 	"fmt"

 	"golang.org/x/xerrors"
-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"

 	"github.com/filecoin-project/go-jsonrpc/auth"

--- a/cli/chain.go
+++ b/cli/chain.go
@ -25,7 +25,7 @@ import (
 	cid "github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
 	"golang.org/x/xerrors"
-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"

 	"github.com/filecoin-project/lotus/api"
 	"github.com/filecoin-project/lotus/chain/actors"
--- a/cli/client.go
+++ b/cli/client.go
@ -10,7 +10,7 @@ import (
 	"github.com/ipfs/go-cid"
 	"github.com/libp2p/go-libp2p-core/peer"
 	"golang.org/x/xerrors"
-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"

 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-fil-markets/storagemarket"
--- a/cli/cmd.go
+++ b/cli/cmd.go
@ -14,7 +14,7 @@ import (
 	"github.com/multiformats/go-multiaddr"
 	manet "github.com/multiformats/go-multiaddr-net"
 	"golang.org/x/xerrors"
-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"

 	"github.com/filecoin-project/go-jsonrpc"

--- a/cli/log.go
+++ b/cli/log.go
@ -4,7 +4,7 @@ import (
 	"fmt"

 	"golang.org/x/xerrors"
-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"
 )

 var logCmd = &cli.Command{
--- a/cli/mpool.go
+++ b/cli/mpool.go
@ -6,7 +6,7 @@ import (
 	"sort"

 	"golang.org/x/xerrors"
-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"

 	"github.com/filecoin-project/go-address"

--- a/cli/multisig.go
+++ b/cli/multisig.go
@ -19,10 +19,11 @@ import (
 	cbor "github.com/ipfs/go-ipld-cbor"
 	cbg "github.com/whyrusleeping/cbor-gen"
 	"golang.org/x/xerrors"
-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"

 	"github.com/filecoin-project/lotus/api"
 	"github.com/filecoin-project/lotus/api/apibstore"
+	"github.com/filecoin-project/lotus/build"
 	types "github.com/filecoin-project/lotus/chain/types"
 )

@ -117,7 +118,7 @@ var msigCreateCmd = &cli.Command{
 		}

 		// wait for it to get mined into a block
-		wait, err := api.StateWaitMsg(ctx, msgCid)
+		wait, err := api.StateWaitMsg(ctx, msgCid, build.MessageConfidence)
 		if err != nil {
 			return err
 		}
@ -336,7 +337,7 @@ var msigProposeCmd = &cli.Command{

 		fmt.Println("send proposal in message: ", msgCid)

-		wait, err := api.StateWaitMsg(ctx, msgCid)
+		wait, err := api.StateWaitMsg(ctx, msgCid, build.MessageConfidence)
 		if err != nil {
 			return err
 		}
@ -452,7 +453,7 @@ var msigApproveCmd = &cli.Command{

 		fmt.Println("sent approval in message: ", msgCid)

-		wait, err := api.StateWaitMsg(ctx, msgCid)
+		wait, err := api.StateWaitMsg(ctx, msgCid, build.MessageConfidence)
 		if err != nil {
 			return err
 		}
--- a/cli/net.go
+++ b/cli/net.go
@ -7,7 +7,7 @@ import (

 	"github.com/libp2p/go-libp2p-core/peer"

-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"

 	"github.com/filecoin-project/lotus/lib/addrutil"
 )
@ -21,6 +21,7 @@ var netCmd = &cli.Command{
 		netListen,
 		netId,
 		netFindPeer,
+		netScores,
 	},
 }

@ -44,7 +45,30 @@ var netPeers = &cli.Command{
 		})

 		for _, peer := range peers {
-			fmt.Println(peer)
+			fmt.Printf("%s, %s\n", peer.ID, peer.Addrs)
+		}
+
+		return nil
+	},
+}
+
+var netScores = &cli.Command{
+	Name:  "scores",
+	Usage: "Print peers' pubsub scores",
+	Action: func(cctx *cli.Context) error {
+		api, closer, err := GetAPI(cctx)
+		if err != nil {
+			return err
+		}
+		defer closer()
+		ctx := ReqContext(cctx)
+		scores, err := api.NetPubsubScores(ctx)
+		if err != nil {
+			return err
+		}
+
+		for _, peer := range scores {
+			fmt.Printf("%s, %f\n", peer.ID, peer.Score)
 		}

 		return nil
--- a/cli/params.go
+++ b/cli/params.go
@ -4,7 +4,7 @@ import (
 	"github.com/docker/go-units"
 	paramfetch "github.com/filecoin-project/go-paramfetch"
 	"golang.org/x/xerrors"
-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"

 	"github.com/filecoin-project/lotus/build"
 )
--- a/cli/paych.go
+++ b/cli/paych.go
@ -4,10 +4,11 @@ import (
 	"bytes"
 	"encoding/base64"
 	"fmt"
+	"github.com/filecoin-project/lotus/build"

 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/specs-actors/actors/builtin/paych"
-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"

 	types "github.com/filecoin-project/lotus/chain/types"
 )
@ -361,7 +362,7 @@ var paychVoucherSubmitCmd = &cli.Command{
 			return err
 		}

-		mwait, err := api.StateWaitMsg(ctx, mcid)
+		mwait, err := api.StateWaitMsg(ctx, mcid, build.MessageConfidence)
 		if err != nil {
 			return err
 		}
--- a/cli/send.go
+++ b/cli/send.go
@ -5,7 +5,7 @@ import (

 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/lotus/chain/types"
-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"
 )

 var sendCmd = &cli.Command{
--- a/cli/state.go
+++ b/cli/state.go
@ -17,7 +17,7 @@ import (
 	"github.com/multiformats/go-multihash"
 	cbg "github.com/whyrusleeping/cbor-gen"
 	"golang.org/x/xerrors"
-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"

 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/specs-actors/actors/abi"
@ -35,6 +35,7 @@ import (
 	"github.com/filecoin-project/specs-actors/actors/util/adt"

 	"github.com/filecoin-project/lotus/api"
+	"github.com/filecoin-project/lotus/build"
 	"github.com/filecoin-project/lotus/chain/types"
 	"github.com/filecoin-project/lotus/miner"
 )
@ -392,7 +393,7 @@ var stateReplaySetCmd = &cli.Command{

 				ts, err = types.NewTipSet(headers)
 			} else {
-				r, err := api.StateWaitMsg(ctx, mcid)
+				r, err := api.StateWaitMsg(ctx, mcid, build.MessageConfidence)
 				if err != nil {
 					return xerrors.Errorf("finding message in chain: %w", err)
 				}
@ -1082,12 +1083,15 @@ func printInternalExecutionsHtml(trace []*types.ExecutionResult, getCode func(ad
 			ret = `, Return</div><div><pre class="ret">` + ret + `</pre></div>`
 		}

+		slow := im.Duration > 10*time.Millisecond
+		veryslow := im.Duration > 50*time.Millisecond
+
 		fmt.Printf(`<div class="exec">
 <div><h4 class="call">%s:%s</h4></div>
 <div><b>%s</b> -&gt; <b>%s</b> (%s FIL), M%d</div>
 %s
-<div><span class="exit%d">Exit: <b>%d</b></span>%s
-`, codeStr(toCode), methods[toCode][im.Msg.Method].name, im.Msg.From, im.Msg.To, types.FIL(im.Msg.Value), im.Msg.Method, params, im.MsgRct.ExitCode, im.MsgRct.ExitCode, ret)
+<div><span class="slow-%t-%t">Took %s</span>, <span class="exit%d">Exit: <b>%d</b></span>%s
+`, codeStr(toCode), methods[toCode][im.Msg.Method].name, im.Msg.From, im.Msg.To, types.FIL(im.Msg.Value), im.Msg.Method, params, slow, veryslow, im.Duration, im.MsgRct.ExitCode, im.MsgRct.ExitCode, ret)
 		if im.MsgRct.ExitCode != 0 {
 			fmt.Printf(`<div class="error">Error: <pre>%s</pre></div>`, im.Error)
 		}
@ -1153,7 +1157,7 @@ var stateWaitMsgCmd = &cli.Command{
 			return err
 		}

-		mw, err := api.StateWaitMsg(ctx, msg)
+		mw, err := api.StateWaitMsg(ctx, msg, build.MessageConfidence)
 		if err != nil {
 			return err
 		}
--- a/cli/sync.go
+++ b/cli/sync.go
@ -7,7 +7,7 @@ import (

 	"github.com/filecoin-project/specs-actors/actors/abi"
 	cid "github.com/ipfs/go-cid"
-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"

 	"github.com/filecoin-project/lotus/api"
 	"github.com/filecoin-project/lotus/build"
--- a/cli/version.go
+++ b/cli/version.go
@ -3,7 +3,7 @@ package cli
 import (
 	"fmt"

-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"
 )

 var versionCmd = &cli.Command{
--- a/cli/wait.go
+++ b/cli/wait.go
@ -4,7 +4,7 @@ import (
 	"fmt"
 	"time"

-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"
 )

 var waitApiCmd = &cli.Command{
--- a/cli/wallet.go
+++ b/cli/wallet.go
@ -15,7 +15,7 @@ import (
 	"github.com/filecoin-project/specs-actors/actors/crypto"
 	"golang.org/x/xerrors"

-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"
 )

 var walletCmd = &cli.Command{
--- a/cmd/chain-noise/main.go
+++ b/cmd/chain-noise/main.go
@ -14,7 +14,7 @@ import (
 	"github.com/filecoin-project/lotus/chain/types"
 	lcli "github.com/filecoin-project/lotus/cli"

-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"
 )

 func main() {
--- a/cmd/lotus-bench/import.go
+++ b/cmd/lotus-bench/import.go
@ -24,7 +24,7 @@ import (
 	"github.com/ipfs/go-datastore"
 	badger "github.com/ipfs/go-ds-badger2"
 	blockstore "github.com/ipfs/go-ipfs-blockstore"
-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"
 )

 type TipSetExec struct {
--- a/cmd/lotus-bench/main.go
+++ b/cmd/lotus-bench/main.go
@ -16,7 +16,7 @@ import (
 	"github.com/minio/blake2b-simd"
 	"github.com/mitchellh/go-homedir"
 	"golang.org/x/xerrors"
-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"

 	"github.com/filecoin-project/go-address"
 	paramfetch "github.com/filecoin-project/go-paramfetch"
--- a/cmd/lotus-chainwatch/dot.go
+++ b/cmd/lotus-chainwatch/dot.go
@ -6,7 +6,7 @@ import (
 	"strconv"

 	"github.com/ipfs/go-cid"
-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"
 )

 var dotCmd = &cli.Command{
--- a/cmd/lotus-chainwatch/main.go
+++ b/cmd/lotus-chainwatch/main.go
@ -8,7 +8,7 @@ import (

 	logging "github.com/ipfs/go-log/v2"
 	"golang.org/x/xerrors"
-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"

 	"github.com/filecoin-project/lotus/build"
 	lcli "github.com/filecoin-project/lotus/cli"
--- a/cmd/lotus-fountain/main.go
+++ b/cmd/lotus-fountain/main.go
@ -15,7 +15,7 @@ import (
 	logging "github.com/ipfs/go-log/v2"
 	"github.com/libp2p/go-libp2p-core/peer"
 	"golang.org/x/xerrors"
-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"

 	"github.com/filecoin-project/sector-storage/ffiwrapper"
 	"github.com/filecoin-project/specs-actors/actors/abi"
@ -334,7 +334,7 @@ func (h *handler) msgwait(w http.ResponseWriter, r *http.Request) {
 		return
 	}

-	mw, err := h.api.StateWaitMsg(r.Context(), c)
+	mw, err := h.api.StateWaitMsg(r.Context(), c, build.MessageConfidence)
 	if err != nil {
 		w.WriteHeader(400)
 		w.Write([]byte(err.Error()))
@ -357,7 +357,7 @@ func (h *handler) msgwaitaddr(w http.ResponseWriter, r *http.Request) {
 		return
 	}

-	mw, err := h.api.StateWaitMsg(r.Context(), c)
+	mw, err := h.api.StateWaitMsg(r.Context(), c, build.MessageConfidence)
 	if err != nil {
 		w.WriteHeader(400)
 		w.Write([]byte(err.Error()))
--- a/cmd/lotus-health/main.go
+++ b/cmd/lotus-health/main.go
@ -10,7 +10,7 @@ import (

 	cid "github.com/ipfs/go-cid"
 	logging "github.com/ipfs/go-log"
-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"

 	"github.com/filecoin-project/go-jsonrpc"

--- a/cmd/lotus-seal-worker/main.go
+++ b/cmd/lotus-seal-worker/main.go
@ -13,7 +13,7 @@ import (
 	"github.com/gorilla/mux"
 	logging "github.com/ipfs/go-log/v2"
 	"golang.org/x/xerrors"
-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"

 	"github.com/filecoin-project/go-jsonrpc"
 	"github.com/filecoin-project/go-jsonrpc/auth"
@ -292,7 +292,7 @@ var runCmd = &cli.Command{

 		go func() {
 			<-ctx.Done()
-			log.Warn("Shutting down..")
+			log.Warn("Shutting down...")
 			if err := srv.Shutdown(context.TODO()); err != nil {
 				log.Errorf("shutting down RPC server failed: %s", err)
 			}
--- a/cmd/lotus-seed/genesis.go
+++ b/cmd/lotus-seed/genesis.go
@ -7,7 +7,7 @@ import (
 	"github.com/google/uuid"
 	"github.com/mitchellh/go-homedir"
 	"golang.org/x/xerrors"
-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"

 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/specs-actors/actors/abi/big"
--- a/cmd/lotus-seed/main.go
+++ b/cmd/lotus-seed/main.go
@ -12,7 +12,7 @@ import (

 	logging "github.com/ipfs/go-log/v2"
 	"github.com/mitchellh/go-homedir"
-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"

 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/specs-actors/actors/abi"
--- a/cmd/lotus-shed/base16.go
+++ b/cmd/lotus-shed/base16.go
@ -8,7 +8,7 @@ import (
 	"os"
 	"strings"

-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"
 )

 var base16Cmd = &cli.Command{
--- a/cmd/lotus-shed/base32.go
+++ b/cmd/lotus-shed/base32.go
@ -7,7 +7,7 @@ import (
 	"os"
 	"strings"

-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"

 	"github.com/multiformats/go-base32"
 )
--- a/cmd/lotus-shed/bigint.go
+++ b/cmd/lotus-shed/bigint.go
@ -6,7 +6,7 @@ import (
 	"fmt"

 	"github.com/filecoin-project/lotus/chain/types"
-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"
 )

 var bigIntParseCmd = &cli.Command{
--- a/cmd/lotus-shed/bitfield.go
+++ b/cmd/lotus-shed/bitfield.go
@ -8,7 +8,7 @@ import (
 	"os"

 	"golang.org/x/xerrors"
-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"

 	"github.com/filecoin-project/go-bitfield"
 	rlepluslazy "github.com/filecoin-project/go-bitfield/rle"
--- a/cmd/lotus-shed/commp.go
+++ b/cmd/lotus-shed/commp.go
@ -5,7 +5,7 @@ import (
 	"fmt"

 	commcid "github.com/filecoin-project/go-fil-commcid"
-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"
 )

 var commpToCidCmd = &cli.Command{
--- a/cmd/lotus-shed/import-car.go
+++ b/cmd/lotus-shed/import-car.go
@ -8,7 +8,7 @@ import (
 	blockstore "github.com/ipfs/go-ipfs-blockstore"
 	"github.com/ipld/go-car"
 	"golang.org/x/xerrors"
-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"

 	"github.com/filecoin-project/lotus/node/repo"
 )
--- a/cmd/lotus-shed/keyinfo.go
+++ b/cmd/lotus-shed/keyinfo.go
@ -9,7 +9,7 @@ import (
 	"strings"
 	"text/template"

-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"

 	_ "github.com/filecoin-project/lotus/lib/sigs/bls"
 	_ "github.com/filecoin-project/lotus/lib/sigs/secp"
--- a/cmd/lotus-shed/main.go
+++ b/cmd/lotus-shed/main.go
@ -4,7 +4,7 @@ import (
 	"os"

 	logging "github.com/ipfs/go-log/v2"
-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"

 	"github.com/filecoin-project/lotus/build"
 )
--- a/cmd/lotus-shed/nonce-fix.go
+++ b/cmd/lotus-shed/nonce-fix.go
@ -5,7 +5,7 @@ import (
 	"math"

 	"github.com/filecoin-project/go-address"
-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"

 	"github.com/filecoin-project/lotus/chain/types"
 	lcli "github.com/filecoin-project/lotus/cli"
--- a/cmd/lotus-shed/params.go
+++ b/cmd/lotus-shed/params.go
@ -4,7 +4,7 @@ import (
 	"github.com/docker/go-units"
 	paramfetch "github.com/filecoin-project/go-paramfetch"
 	"golang.org/x/xerrors"
-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"

 	"github.com/filecoin-project/lotus/build"
 )
--- a/cmd/lotus-shed/peerkey.go
+++ b/cmd/lotus-shed/peerkey.go
@ -6,7 +6,7 @@ import (
 	"os"
 	"strings"

-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"

 	"github.com/filecoin-project/lotus/chain/types"
 	"github.com/filecoin-project/lotus/node/modules/lp2p"
--- a/cmd/lotus-shed/proofs.go
+++ b/cmd/lotus-shed/proofs.go
@ -4,7 +4,7 @@ import (
 	"encoding/hex"
 	"fmt"

-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"

 	ffi "github.com/filecoin-project/filecoin-ffi"
 	"github.com/filecoin-project/go-address"
--- a/cmd/lotus-shed/stateroot-stats.go
+++ b/cmd/lotus-shed/stateroot-stats.go
@ -3,7 +3,7 @@ package main
 import (
 	"fmt"

-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"

 	"github.com/ipfs/go-cid"

--- a/cmd/lotus-shed/verifreg.go
+++ b/cmd/lotus-shed/verifreg.go
@ -3,9 +3,10 @@ package main
 import (
 	"bytes"
 	"fmt"
+	"github.com/filecoin-project/lotus/build"

 	"github.com/filecoin-project/go-address"
-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"

 	"github.com/filecoin-project/lotus/chain/types"
 	lcli "github.com/filecoin-project/lotus/cli"
@ -85,7 +86,7 @@ var verifRegAddVerifierCmd = &cli.Command{

 		fmt.Printf("message sent, now waiting on cid: %s\n", smsg.Cid())

-		mwait, err := api.StateWaitMsg(ctx, smsg.Cid())
+		mwait, err := api.StateWaitMsg(ctx, smsg.Cid(), build.MessageConfidence)
 		if err != nil {
 			return err
 		}
@ -161,7 +162,7 @@ var verifRegVerifyClientCmd = &cli.Command{

 		fmt.Printf("message sent, now waiting on cid: %s\n", smsg.Cid())

-		mwait, err := api.StateWaitMsg(ctx, smsg.Cid())
+		mwait, err := api.StateWaitMsg(ctx, smsg.Cid(), build.MessageConfidence)
 		if err != nil {
 			return err
 		}
--- a/cmd/lotus-storage-miner/info.go
+++ b/cmd/lotus-storage-miner/info.go
@ -9,7 +9,7 @@ import (

 	"github.com/fatih/color"
 	"golang.org/x/xerrors"
-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"

 	"github.com/filecoin-project/specs-actors/actors/builtin/miner"
 	sealing "github.com/filecoin-project/storage-fsm"
--- a/cmd/lotus-storage-miner/init.go
+++ b/cmd/lotus-storage-miner/init.go
@ -19,7 +19,7 @@ import (
 	"github.com/libp2p/go-libp2p-core/peer"
 	"github.com/mitchellh/go-homedir"
 	"golang.org/x/xerrors"
-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"

 	"github.com/filecoin-project/go-address"
 	cborutil "github.com/filecoin-project/go-cbor-util"
@ -566,7 +566,7 @@ func configureStorageMiner(ctx context.Context, api lapi.FullNode, addr address.
 	}

 	log.Info("Waiting for message: ", smsg.Cid())
-	ret, err := api.StateWaitMsg(ctx, smsg.Cid())
+	ret, err := api.StateWaitMsg(ctx, smsg.Cid(), build.MessageConfidence)
 	if err != nil {
 		return err
 	}
@ -648,7 +648,7 @@ func createStorageMiner(ctx context.Context, api lapi.FullNode, peerid peer.ID,
 	log.Infof("Pushed StorageMarket.CreateStorageMiner, %s to Mpool", signed.Cid())
 	log.Infof("Waiting for confirmation")

-	mw, err := api.StateWaitMsg(ctx, signed.Cid())
+	mw, err := api.StateWaitMsg(ctx, signed.Cid(), build.MessageConfidence)
 	if err != nil {
 		return address.Undef, err
 	}
--- a/cmd/lotus-storage-miner/main.go
+++ b/cmd/lotus-storage-miner/main.go
@ -4,8 +4,8 @@ import (
 	"os"

 	logging "github.com/ipfs/go-log/v2"
+	"github.com/urfave/cli/v2"
 	"go.opencensus.io/trace"
-	"gopkg.in/urfave/cli.v2"

 	"github.com/filecoin-project/lotus/build"
 	lcli "github.com/filecoin-project/lotus/cli"
@ -27,6 +27,7 @@ func main() {
 		initCmd,
 		rewardsCmd,
 		runCmd,
+		stopCmd,
 		sectorsCmd,
 		storageCmd,
 		setPriceCmd,
@ -58,7 +59,7 @@ func main() {
 		Name:                 "lotus-storage-miner",
 		Usage:                "Filecoin decentralized storage network storage miner",
 		Version:              build.UserVersion(),
-		EnableShellCompletion: true,
+		EnableBashCompletion: true,
 		Flags: []cli.Flag{
 			&cli.StringFlag{
 				Name:    "repo",
--- a/cmd/lotus-storage-miner/market.go
+++ b/cmd/lotus-storage-miner/market.go
@ -7,7 +7,7 @@ import (
 	"github.com/filecoin-project/lotus/chain/types"
 	lcli "github.com/filecoin-project/lotus/cli"
 	"github.com/ipfs/go-cid"
-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"
 )

 var setPriceCmd = &cli.Command{
--- a/cmd/lotus-storage-miner/proving.go
+++ b/cmd/lotus-storage-miner/proving.go
@ -3,14 +3,15 @@ package main
 import (
 	"bytes"
 	"fmt"
+	"time"
+
 	"github.com/filecoin-project/lotus/build"
 	"github.com/filecoin-project/lotus/chain/types"
 	lcli "github.com/filecoin-project/lotus/cli"
 	"github.com/filecoin-project/specs-actors/actors/abi"
 	"github.com/filecoin-project/specs-actors/actors/builtin/miner"
+	"github.com/urfave/cli/v2"
 	"golang.org/x/xerrors"
-	"gopkg.in/urfave/cli.v2"
-	"time"
 )

 var provingCmd = &cli.Command{
--- a/cmd/lotus-storage-miner/rewards.go
+++ b/cmd/lotus-storage-miner/rewards.go
@ -3,7 +3,7 @@ package main
 import (
 	"fmt"

-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"

 	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/types"
--- a/cmd/lotus-storage-miner/run.go
+++ b/cmd/lotus-storage-miner/run.go
@ -12,7 +12,7 @@ import (
 	"github.com/multiformats/go-multiaddr"
 	manet "github.com/multiformats/go-multiaddr-net"
 	"golang.org/x/xerrors"
-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"

 	"github.com/filecoin-project/go-jsonrpc"
 	"github.com/filecoin-project/go-jsonrpc/auth"
@ -100,9 +100,12 @@ var runCmd = &cli.Command{
 			return xerrors.Errorf("repo at '%s' is not initialized, run 'lotus-storage-miner init' to set it up", storageRepoPath)
 		}

+		shutdownChan := make(chan struct{})
+
 		var minerapi api.StorageMiner
 		stop, err := node.New(ctx,
 			node.StorageMiner(&minerapi),
+			node.Override(new(dtypes.ShutdownChan), shutdownChan),
 			node.Online(),
 			node.Repo(r),

@ -156,8 +159,12 @@ var runCmd = &cli.Command{

 		sigChan := make(chan os.Signal, 2)
 		go func() {
-			<-sigChan
-			log.Warn("Shutting down..")
+			select {
+			case <-sigChan:
+			case <-shutdownChan:
+			}
+
+			log.Warn("Shutting down...")
 			if err := stop(context.TODO()); err != nil {
 				log.Errorf("graceful shutting down failed: %s", err)
 			}
--- a/cmd/lotus-storage-miner/sectors.go
+++ b/cmd/lotus-storage-miner/sectors.go
@ -9,7 +9,7 @@ import (
 	"time"

 	"golang.org/x/xerrors"
-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"

 	"github.com/filecoin-project/specs-actors/actors/abi"

--- a/cmd/lotus-storage-miner/stop.go
+++ b/cmd/lotus-storage-miner/stop.go
@ -0,0 +1,29 @@
+package main
+
+import (
+	_ "net/http/pprof"
+
+	"github.com/urfave/cli/v2"
+
+	lcli "github.com/filecoin-project/lotus/cli"
+)
+
+var stopCmd = &cli.Command{
+	Name:  "stop",
+	Usage: "Stop a running lotus storage miner",
+	Flags: []cli.Flag{},
+	Action: func(cctx *cli.Context) error {
+		api, closer, err := lcli.GetAPI(cctx)
+		if err != nil {
+			return err
+		}
+		defer closer()
+
+		err = api.Shutdown(lcli.ReqContext(cctx))
+		if err != nil {
+			return err
+		}
+
+		return nil
+	},
+}
--- a/cmd/lotus-storage-miner/storage.go
+++ b/cmd/lotus-storage-miner/storage.go
@ -15,7 +15,7 @@ import (
 	"github.com/google/uuid"
 	"github.com/mitchellh/go-homedir"
 	"golang.org/x/xerrors"
-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"

 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/specs-actors/actors/abi"
--- a/cmd/lotus-storage-miner/workers.go
+++ b/cmd/lotus-storage-miner/workers.go
@ -6,7 +6,7 @@ import (
 	"strings"

 	"github.com/fatih/color"
-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"

 	"github.com/filecoin-project/sector-storage/storiface"

--- a/cmd/lotus/daemon.go
+++ b/cmd/lotus/daemon.go
@ -22,13 +22,14 @@ import (
 	"go.opencensus.io/stats/view"
 	"go.opencensus.io/tag"
 	"golang.org/x/xerrors"
-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"

 	"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/vm"
+	lcli "github.com/filecoin-project/lotus/cli"
 	"github.com/filecoin-project/lotus/lib/peermgr"
 	"github.com/filecoin-project/lotus/metrics"
 	"github.com/filecoin-project/lotus/node"
@ -44,6 +45,26 @@ const (
 	preTemplateFlag = "genesis-template"
 )

+var daemonStopCmd = &cli.Command{
+	Name:  "stop",
+	Usage: "Stop a running lotus daemon",
+	Flags: []cli.Flag{},
+	Action: func(cctx *cli.Context) error {
+		api, closer, err := lcli.GetAPI(cctx)
+		if err != nil {
+			return err
+		}
+		defer closer()
+
+		err = api.Shutdown(lcli.ReqContext(cctx))
+		if err != nil {
+			return err
+		}
+
+		return nil
+	},
+}
+
 // DaemonCmd is the `go-lotus daemon` command
 var DaemonCmd = &cli.Command{
 	Name:  "daemon",
@ -150,6 +171,11 @@ var DaemonCmd = &cli.Command{

 		chainfile := cctx.String("import-chain")
 		if chainfile != "" {
+			chainfile, err := homedir.Expand(chainfile)
+			if err != nil {
+				return err
+			}
+
 			if err := ImportChain(r, chainfile); err != nil {
 				return err
 			}
@ -170,12 +196,15 @@ var DaemonCmd = &cli.Command{
 			genesis = node.Override(new(modules.Genesis), testing.MakeGenesis(cctx.String(makeGenFlag), cctx.String(preTemplateFlag)))
 		}

+		shutdownChan := make(chan struct{})
+
 		var api api.FullNode

 		stop, err := node.New(ctx,
 			node.FullAPI(&api),

 			node.Override(new(dtypes.Bootstrapper), isBootstrapper),
+			node.Override(new(dtypes.ShutdownChan), shutdownChan),
 			node.Online(),
 			node.Repo(r),

@ -221,7 +250,10 @@ var DaemonCmd = &cli.Command{
 		}

 		// TODO: properly parse api endpoint (or make it a URL)
-		return serveRPC(api, stop, endpoint)
+		return serveRPC(api, stop, endpoint, shutdownChan)
+	},
+	Subcommands: []*cli.Command{
+		daemonStopCmd,
 	},
 }

--- a/cmd/lotus/daemon_nodaemon.go
+++ b/cmd/lotus/daemon_nodaemon.go
@ -5,7 +5,7 @@ package main
 import (
 	"errors"

-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"
 )

 // DaemonCmd is the `go-lotus daemon` command
--- a/cmd/lotus/debug_advance.go
+++ b/cmd/lotus/debug_advance.go
@ -13,7 +13,7 @@ import (
 	"github.com/filecoin-project/specs-actors/actors/crypto"
 	"golang.org/x/xerrors"

-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"
 )

 func init() {
--- a/cmd/lotus/main.go
+++ b/cmd/lotus/main.go
@ -4,8 +4,8 @@ import (
 	"context"
 	"os"

+	"github.com/urfave/cli/v2"
 	"go.opencensus.io/trace"
-	"gopkg.in/urfave/cli.v2"

 	"github.com/filecoin-project/lotus/build"
 	lcli "github.com/filecoin-project/lotus/cli"
@ -53,7 +53,7 @@ func main() {
 		Name:                 "lotus",
 		Usage:                "Filecoin decentralized storage network client",
 		Version:              build.UserVersion(),
-		EnableShellCompletion: true,
+		EnableBashCompletion: true,
 		Flags: []cli.Flag{
 			&cli.StringFlag{
 				Name:    "repo",
--- a/cmd/lotus/rpc.go
+++ b/cmd/lotus/rpc.go
@ -28,7 +28,7 @@ import (

 var log = logging.Logger("main")

-func serveRPC(a api.FullNode, stop node.StopFunc, addr multiaddr.Multiaddr) error {
+func serveRPC(a api.FullNode, stop node.StopFunc, addr multiaddr.Multiaddr, shutdownCh <-chan struct{}) error {
 	rpcServer := jsonrpc.NewServer()
 	rpcServer.Register("Filecoin", apistruct.PermissionedFullAPI(a))

@ -62,17 +62,23 @@ func serveRPC(a api.FullNode, stop node.StopFunc, addr multiaddr.Multiaddr) erro

 	srv := &http.Server{Handler: http.DefaultServeMux}

-	sigChan := make(chan os.Signal, 2)
+	sigCh := make(chan os.Signal, 2)
 	go func() {
-		<-sigChan
+		select {
+		case <-sigCh:
+		case <-shutdownCh:
+		}
+
+		log.Warn("Shutting down...")
 		if err := srv.Shutdown(context.TODO()); err != nil {
 			log.Errorf("shutting down RPC server failed: %s", err)
 		}
 		if err := stop(context.TODO()); err != nil {
 			log.Errorf("graceful shutting down failed: %s", err)
 		}
+		log.Warn("Graceful shutdown successful")
 	}()
-	signal.Notify(sigChan, syscall.SIGTERM, syscall.SIGINT)
+	signal.Notify(sigCh, syscall.SIGTERM, syscall.SIGINT)

 	return srv.Serve(manet.NetListener(lst))
 }
--- a/go.mod
+++ b/go.mod
@ -24,7 +24,7 @@ require (
 	github.com/filecoin-project/go-data-transfer v0.3.0
 	github.com/filecoin-project/go-fil-commcid v0.0.0-20200208005934-2b8bd03caca5
 	github.com/filecoin-project/go-fil-markets v0.2.7
-	github.com/filecoin-project/go-jsonrpc v0.1.1-0.20200520183639-7c6ee2e066b4
+	github.com/filecoin-project/go-jsonrpc v0.1.1-0.20200602181149-522144ab4e24
 	github.com/filecoin-project/go-padreader v0.0.0-20200210211231-548257017ca6
 	github.com/filecoin-project/go-paramfetch v0.0.2-0.20200505180321-973f8949ea8e
 	github.com/filecoin-project/go-statestore v0.1.0
@ -74,24 +74,24 @@ require (
 	github.com/ipld/go-ipld-prime v0.0.2-0.20200428162820-8b59dc292b8e
 	github.com/kelseyhightower/envconfig v1.4.0
 	github.com/lib/pq v1.2.0
-	github.com/libp2p/go-eventbus v0.1.0
-	github.com/libp2p/go-libp2p v0.9.2
-	github.com/libp2p/go-libp2p-connmgr v0.2.3
-	github.com/libp2p/go-libp2p-core v0.5.6
+	github.com/libp2p/go-eventbus v0.2.1
+	github.com/libp2p/go-libp2p v0.9.4
+	github.com/libp2p/go-libp2p-connmgr v0.2.4
+	github.com/libp2p/go-libp2p-core v0.5.7
 	github.com/libp2p/go-libp2p-discovery v0.4.0
-	github.com/libp2p/go-libp2p-kad-dht v0.7.6
+	github.com/libp2p/go-libp2p-kad-dht v0.8.1
 	github.com/libp2p/go-libp2p-mplex v0.2.3
 	github.com/libp2p/go-libp2p-peer v0.2.0
 	github.com/libp2p/go-libp2p-peerstore v0.2.4
-	github.com/libp2p/go-libp2p-pubsub v0.3.1
-	github.com/libp2p/go-libp2p-quic-transport v0.1.1
+	github.com/libp2p/go-libp2p-pubsub v0.3.2
+	github.com/libp2p/go-libp2p-quic-transport v0.5.0
 	github.com/libp2p/go-libp2p-record v0.1.2
-	github.com/libp2p/go-libp2p-routing-helpers v0.2.1
+	github.com/libp2p/go-libp2p-routing-helpers v0.2.3
 	github.com/libp2p/go-libp2p-secio v0.2.2
-	github.com/libp2p/go-libp2p-swarm v0.2.4
+	github.com/libp2p/go-libp2p-swarm v0.2.6
 	github.com/libp2p/go-libp2p-tls v0.1.3
-	github.com/libp2p/go-libp2p-yamux v0.2.7
-	github.com/libp2p/go-maddr-filter v0.0.5
+	github.com/libp2p/go-libp2p-yamux v0.2.8
+	github.com/libp2p/go-maddr-filter v0.1.0
 	github.com/mattn/go-isatty v0.0.12 // indirect
 	github.com/minio/blake2b-simd v0.0.0-20160723061019-3f5f724cb5b1
 	github.com/mitchellh/go-homedir v1.1.0
@ -104,6 +104,7 @@ require (
 	github.com/stretchr/objx v0.2.0 // indirect
 	github.com/stretchr/testify v1.5.1
 	github.com/syndtr/goleveldb v1.0.0
+	github.com/urfave/cli/v2 v2.2.0
 	github.com/whyrusleeping/bencher v0.0.0-20190829221104-bb6607aa8bba
 	github.com/whyrusleeping/cbor-gen v0.0.0-20200504204219-64967432584d
 	github.com/whyrusleeping/multiaddr-filter v0.0.0-20160516205228-e903e4adabd7
@ -117,7 +118,6 @@ require (
 	golang.org/x/sys v0.0.0-20200519105757-fe76b779f299
 	golang.org/x/time v0.0.0-20191024005414-555d28b269f0
 	golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543
-	gopkg.in/urfave/cli.v2 v2.0.0-20180128182452-d3ae77c26ac8
 	launchpad.net/gocheck v0.0.0-20140225173054-000000000087 // indirect
 )

--- a/go.sum
+++ b/go.sum
@ -1,9 +1,16 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+cloud.google.com/go v0.31.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+cloud.google.com/go v0.37.0/go.mod h1:TS1dMSSfndXH133OKGwekG838Om/cQT0BUHV3HcBgoo=
 contrib.go.opencensus.io/exporter/jaeger v0.1.0 h1:WNc9HbA38xEQmsI40Tjd/MNU/g8byN2Of7lwIjv0Jdc=
 contrib.go.opencensus.io/exporter/jaeger v0.1.0/go.mod h1:VYianECmuFPwU37O699Vc1GOcy+y8kOsfaxHRImmjbA=
 contrib.go.opencensus.io/exporter/prometheus v0.1.0 h1:SByaIoWwNgMdPSgl5sMqM2KDE5H/ukPWBRo314xiDvg=
 contrib.go.opencensus.io/exporter/prometheus v0.1.0/go.mod h1:cGFniUXGZlKRjzOyuZJ6mgB+PgBcCIa79kEKR8YCW+A=
+dmitri.shuralyov.com/app/changes v0.0.0-20180602232624-0a106ad413e3/go.mod h1:Yl+fi1br7+Rr3LqpNJf1/uxUdtRUV+Tnj0o93V2B9MU=
+dmitri.shuralyov.com/html/belt v0.0.0-20180602232347-f7d459c86be0/go.mod h1:JLBrvjyP0v+ecvNYvCpyZgu5/xkfAUhi6wJj28eUfSU=
+dmitri.shuralyov.com/service/change v0.0.0-20181023043359-a85b471d5412/go.mod h1:a1inKt/atXimZ4Mv927x+r7UpyzRUf4emIoiiSC2TN4=
+dmitri.shuralyov.com/state v0.0.0-20180228185332-28bcc343414c/go.mod h1:0PRwlb0D6DFvNNtx+9ybjezNCa8XF0xaYcETyp6rHWU=
+git.apache.org/thrift.git v0.0.0-20180902110319-2566ecd5d999/go.mod h1:fPE2ZNJGynbRyZ4dJvy6G277gSllfV2HJqblrnkyeyg=
 github.com/AndreasBriese/bbloom v0.0.0-20180913140656-343706a395b7/go.mod h1:bOvUY6CB00SOBii9/FifXqc0awNKxLFCL/+pkDPuyl8=
 github.com/AndreasBriese/bbloom v0.0.0-20190306092124-e2d15f34fcf9 h1:HD8gA2tkByhMAwYaFAX9w2l7vxvBQ5NMoxDrkhqhtn4=
 github.com/AndreasBriese/bbloom v0.0.0-20190306092124-e2d15f34fcf9/go.mod h1:bOvUY6CB00SOBii9/FifXqc0awNKxLFCL/+pkDPuyl8=
@ -31,14 +38,15 @@ github.com/Stebalien/go-bitfield v0.0.1/go.mod h1:GNjFpasyUVkHMsfEOk8EFLJ9syQ6SI
 github.com/VividCortex/gohistogram v1.0.0/go.mod h1:Pf5mBqqDxYaXu3hDrrU+w6nw50o/4+TcAqDqk/vUH7g=
 github.com/aead/siphash v1.0.1/go.mod h1:Nywa3cDsYNNK3gaciGTWPwHt0wlpNV15vwmswBAUSII=
 github.com/afex/hystrix-go v0.0.0-20180502004556-fa1af6a1f4f5/go.mod h1:SkGFH1ia65gfNATL8TAiHDNxPzPdmEL5uirI2Uyuz6c=
-github.com/afex/hystrix-go v0.0.0-20180502004556-fa1af6a1f4f5/go.mod h1:SkGFH1ia65gfNATL8TAiHDNxPzPdmEL5uirI2Uyuz6c=
 github.com/akavel/rsrc v0.8.0 h1:zjWn7ukO9Kc5Q62DOJCcxGpXC18RawVtYAGdz2aLlfw=
 github.com/akavel/rsrc v0.8.0/go.mod h1:uLoCtb9J+EyAqh+26kdrTgmzRBFPGOolLWKpdxkKq+c=
+github.com/alangpierce/go-forceexport v0.0.0-20160317203124-8f1d6941cd75/go.mod h1:uAXEEpARkRhCZfEvy/y0Jcc888f9tHCc1W7/UeEtreE=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d/go.mod h1:rBZYJk541a8SKzHPHnH3zbiI+7dagKZ0cgpgrD7Fyho=
+github.com/anmitsu/go-shlex v0.0.0-20161002113705-648efa622239/go.mod h1:2FmKhYUyUczH0OGQWaF5ceTx0UBShxjsH6f8oGKYe2c=
 github.com/antihax/optional v0.0.0-20180407024304-ca021399b1a6/go.mod h1:V8iCPQYkqmusNa815XgQio277wI47sdRh1dUOLdyC6Q=
 github.com/apache/thrift v0.12.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
 github.com/apache/thrift v0.13.0 h1:5hryIiq9gtn+MiLVn0wP37kb/uTeRZgN08WoCsAhIhI=
@ -53,13 +61,15 @@ github.com/aws/aws-lambda-go v1.13.3/go.mod h1:4UKl9IzQMoD+QF79YdCuzCwp8VbmG4VAQ
 github.com/aws/aws-sdk-go v1.27.0/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
 github.com/aws/aws-sdk-go-v2 v0.18.0/go.mod h1:JWVYvqSMppoMJC0x5wdwiImzgXTI9FuZwxzkQq9wy+g=
 github.com/beevik/ntp v0.2.0/go.mod h1:hIHWr+l3+/clUnF44zdK+CWW7fO8dR5cIylAQ76NRpg=
-github.com/benbjohnson/clock v1.0.1 h1:lVM1R/o5khtrr7t3qAr+sS6uagZOP+7iprc7gS3V9CE=
 github.com/benbjohnson/clock v1.0.1/go.mod h1:bGMdMPoPVvcYyt1gHDf4J2KE153Yf9BuiUKYMaxlTDM=
+github.com/benbjohnson/clock v1.0.2 h1:Z0CN0Yb4ig9sGPXkvAQcGJfnrrMQ5QYLCMPRi9iD7YE=
+github.com/benbjohnson/clock v1.0.2/go.mod h1:bGMdMPoPVvcYyt1gHDf4J2KE153Yf9BuiUKYMaxlTDM=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
+github.com/bradfitz/go-smtpd v0.0.0-20170404230938-deb6d6237625/go.mod h1:HYsPBTaaSFSlLx/70C2HPIMNZpVV8+vt/A+FMnYP11g=
 github.com/btcsuite/btcd v0.0.0-20190213025234-306aecffea32/go.mod h1:DrZx5ec/dmnfpw9KyYoQyYo7d0KEvTkk/5M/vbZjAr8=
 github.com/btcsuite/btcd v0.0.0-20190523000118-16327141da8c/go.mod h1:3J08xEfcugPacsc34/LKRU2yO7YmuT8yt28J8k2+rrI=
 github.com/btcsuite/btcd v0.0.0-20190605094302-a0d1e3e36d50/go.mod h1:3J08xEfcugPacsc34/LKRU2yO7YmuT8yt28J8k2+rrI=
@ -74,6 +84,7 @@ github.com/btcsuite/goleveldb v0.0.0-20160330041536-7834afc9e8cd/go.mod h1:F+uVa
 github.com/btcsuite/snappy-go v0.0.0-20151229074030-0bdef8d06723/go.mod h1:8woku9dyThutzjeg+3xrA5iCpBRH8XEEg3lh6TiUghc=
 github.com/btcsuite/websocket v0.0.0-20150119174127-31079b680792/go.mod h1:ghJtEyQwv5/p4Mg4C0fgbePVuGr935/5ddU9Z3TmDRY=
 github.com/btcsuite/winsvc v1.0.0/go.mod h1:jsenWakMcC0zFBFurPLEAyrnc/teJEM1O46fmI40EZs=
+github.com/buger/jsonparser v0.0.0-20181115193947-bf1c66bbce23/go.mod h1:bbYlZJ7hK1yFx9hf58LP0zeX7UjIGs20ufpu3evjr+s=
 github.com/casbin/casbin/v2 v2.1.2/go.mod h1:YcPU1XXisHhLzuxH9coDNf2FbKpjGlbCg3n9yuLkIJQ=
 github.com/cenkalti/backoff v2.2.1+incompatible/go.mod h1:90ReRw6GdpyfrHakVjL/QHaoyV4aDUVVkXQJJJ3NXXM=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
@ -96,6 +107,7 @@ github.com/coreos/go-semver v0.2.1-0.20180108230905-e214231b295a/go.mod h1:nnelY
 github.com/coreos/go-semver v0.3.0 h1:wkHLiw0WNATZnSG7epLsujiMCgPAc9xhjJ4tgnAxmfM=
 github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
 github.com/coreos/go-systemd v0.0.0-20180511133405-39ca1b05acc7/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
+github.com/coreos/go-systemd v0.0.0-20181012123002-c6f51f82210d/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
 github.com/coreos/go-systemd v0.0.0-20191104093116-d3cd4ed1dbcf h1:iW4rZ826su+pqaw19uhpSCzhj44qo35pNgKFGqzDKkU=
 github.com/coreos/go-systemd v0.0.0-20191104093116-d3cd4ed1dbcf/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
 github.com/coreos/go-systemd/v22 v22.0.0 h1:XJIw/+VlJ+87J+doOxznsAWIdmWuViOVhkQamW5YV28=
@ -179,7 +191,6 @@ github.com/filecoin-project/go-amt-ipld/v2 v2.0.1-0.20200424220931-6263827e49f2
 github.com/filecoin-project/go-amt-ipld/v2 v2.0.1-0.20200424220931-6263827e49f2/go.mod h1:boRtQhzmxNocrMxOXo1NYn4oUc1NGvR8tEa79wApNXg=
 github.com/filecoin-project/go-bitfield v0.0.0-20200309034705-8c7ac40bd550/go.mod h1:iodsLxOFZnqKtjj2zkgqzoGNrv6vUqj69AT/J8DKXEw=
 github.com/filecoin-project/go-bitfield v0.0.0-20200416002808-b3ee67ec9060/go.mod h1:iodsLxOFZnqKtjj2zkgqzoGNrv6vUqj69AT/J8DKXEw=
-github.com/filecoin-project/go-bitfield v0.0.1 h1:Xg/JnrqqE77aJVKdbEyR04n9FZQWhwrN+buDgQCVpZU=
 github.com/filecoin-project/go-bitfield v0.0.1/go.mod h1:Ry9/iUlWSyjPUzlAvdnfy4Gtvrq4kWmWDztCU1yEgJY=
 github.com/filecoin-project/go-bitfield v0.0.2-0.20200518150651-562fdb554b6e h1:gkG/7G+iKy4He+IiQNeQn+nndFznb/vCoOR8iRQsm60=
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@ -193,8 +204,8 @@ github.com/filecoin-project/go-fil-commcid v0.0.0-20200208005934-2b8bd03caca5 h1
 github.com/filecoin-project/go-fil-commcid v0.0.0-20200208005934-2b8bd03caca5/go.mod h1:JbkIgFF/Z9BDlvrJO1FuKkaWsH673/UdFaiVS6uIHlA=
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@ -218,10 +229,11 @@ github.com/filecoin-project/specs-actors v0.5.4 h1:Od00SYb/pTXC84oZGz9h2xGBm8GIH
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 github.com/filecoin-project/specs-storage v0.0.0-20200417134612-61b2d91a6102/go.mod h1:xJ1/xl9+8zZeSSSFmDC3Wr6uusCTxyYPI0VeNVSFmPE=
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@ -229,7 +241,9 @@ github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMo
 github.com/gbrlsnchs/jwt/v3 v3.0.0-beta.1 h1:EzDjxMg43q1tA2c0MV3tNbaontnHLplHyFF6M5KiVP0=
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@ -263,15 +277,21 @@ github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6 h1:ZgQEtGgCBiWRM
 github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
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@ -282,13 +302,19 @@ github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMyw
 github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
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@ -305,11 +331,13 @@ github.com/gorilla/websocket v1.4.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoA
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@ -349,7 +377,6 @@ github.com/hashicorp/mdns v1.0.0/go.mod h1:tL+uN++7HEJ6SQLQ2/p+z2pH24WQKWjBPkE0m
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@ -548,6 +575,7 @@ github.com/jbenet/goprocess v0.0.0-20160826012719-b497e2f366b8/go.mod h1:Ly/wlsj
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@ -565,6 +593,7 @@ github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCV
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@ -588,6 +617,7 @@ github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORN
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@ -605,8 +635,9 @@ github.com/libp2p/go-conn-security-multistream v0.1.0/go.mod h1:aw6eD7LOsHEX7+2h
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@ -651,8 +683,9 @@ github.com/libp2p/go-libp2p-circuit v0.2.1/go.mod h1:BXPwYDN5A8z4OEY9sOfr2DUQMLQ
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@ -672,8 +705,9 @@ github.com/libp2p/go-libp2p-core v0.5.2/go.mod h1:uN7L2D4EvPCvzSH5SrhR72UWbnSGpt
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@ -693,11 +727,11 @@ github.com/libp2p/go-libp2p-interface-connmgr v0.0.4/go.mod h1:GarlRLH0LdeWcLnYM
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@ -739,10 +773,13 @@ github.com/libp2p/go-libp2p-protocol v0.0.1/go.mod h1:Af9n4PiruirSDjHycM1QuiMi/1
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@ -765,8 +802,9 @@ github.com/libp2p/go-libp2p-swarm v0.1.0/go.mod h1:wQVsCdjsuZoc730CgOvh5ox6K8evl
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@ -791,12 +829,14 @@ github.com/libp2p/go-libp2p-yamux v0.2.0/go.mod h1:Db2gU+XfLpm6E4rG5uGCFX6uXA8ME
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@ -857,18 +897,25 @@ github.com/libp2p/go-yamux v1.2.3/go.mod h1:FGTiPvoV/3DVdgWpX+tM0OW3tsM+W5bSE3gZ
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@ -1101,6 +1183,8 @@ github.com/smola/gocompat v0.2.0/go.mod h1:1B0MlxbmoZNo3h8guHp8HztB3BSYR5itql9qt
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 github.com/sony/gobreaker v0.4.1/go.mod h1:ZKptC7FHNvhBz7dN2LGjPVBz2sZJmc0/PkyDJOjmxWY=
 github.com/soundcloud/go-runit v0.0.0-20150630195641-06ad41a06c4a/go.mod h1:LeFCbQYJ3KJlPs/FvPz2dy1tkpxyeNESVyCNNzRXFR0=
+github.com/sourcegraph/annotate v0.0.0-20160123013949-f4cad6c6324d/go.mod h1:UdhH50NIW0fCiwBSr0co2m7BnFLdv4fQTgdqdJTHFeE=
+github.com/sourcegraph/syntaxhighlight v0.0.0-20170531221838-bd320f5d308e/go.mod h1:HuIsMU8RRBOtsCgI77wP899iHVBQpCmg4ErYMZB+2IA=
 github.com/spacemonkeygo/openssl v0.0.0-20181017203307-c2dcc5cca94a/go.mod h1:7AyxJNCJ7SBZ1MfVQCWD6Uqo2oubI2Eq2y2eqf+A5r0=
 github.com/spacemonkeygo/spacelog v0.0.0-20180420211403-2296661a0572 h1:RC6RW7j+1+HkWaX/Yh71Ee5ZHaHYt7ZP4sQgUrm6cDU=
 github.com/spacemonkeygo/spacelog v0.0.0-20180420211403-2296661a0572/go.mod h1:w0SWMsp6j9O/dk4/ZpIhL+3CkG8ofA2vuv7k+ltqUMc=
@ -1130,6 +1214,7 @@ github.com/stretchr/testify v1.5.1 h1:nOGnQDM7FYENwehXlg/kFVnos3rEvtKTjRvOWSzb6H
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
 github.com/syndtr/goleveldb v1.0.0 h1:fBdIW9lB4Iz0n9khmH8w27SJ3QEJ7+IgjPEwGSZiFdE=
 github.com/syndtr/goleveldb v1.0.0/go.mod h1:ZVVdQEZoIme9iO1Ch2Jdy24qqXrMMOU6lpPAyBWyWuQ=
+github.com/tarm/serial v0.0.0-20180830185346-98f6abe2eb07/go.mod h1:kDXzergiv9cbyO7IOYJZWg1U88JhDg3PB6klq9Hg2pA=
 github.com/texttheater/golang-levenshtein v0.0.0-20180516184445-d188e65d659e/go.mod h1:XDKHRm5ThF8YJjx001LtgelzsoaEcvnA7lVWz9EeX3g=
 github.com/tmc/grpc-websocket-proxy v0.0.0-20170815181823-89b8d40f7ca8/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
 github.com/uber/jaeger-client-go v2.15.0+incompatible/go.mod h1:WVhlPFC8FDjOFMMWRy2pZqQJSXxYSwNYOkTr/Z6d3Kk=
@ -1149,6 +1234,8 @@ github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6Kllzaw
 github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
 github.com/valyala/fasttemplate v1.0.1 h1:tY9CJiPnMXf1ERmG2EyK7gNUd+c6RKGD0IfU8WdUSz8=
 github.com/valyala/fasttemplate v1.0.1/go.mod h1:UQGH1tvbgY+Nz5t2n7tXsz52dQxojPUpymEIMZ47gx8=
+github.com/viant/assertly v0.4.8/go.mod h1:aGifi++jvCrUaklKEKT0BU95igDNaqkvz+49uaYMPRU=
+github.com/viant/toolbox v0.24.0/go.mod h1:OxMCG57V0PXuIP2HNQrtJf2CjqdmbrOx5EkMILuUhzM=
 github.com/wangjia184/sortedset v0.0.0-20160527075905-f5d03557ba30/go.mod h1:YkocrP2K2tcw938x9gCOmT5G5eCD6jsTz0SZuyAqwIE=
 github.com/warpfork/go-wish v0.0.0-20180510122957-5ad1f5abf436/go.mod h1:x6AKhvSSexNrVSrViXSHUEbICjmGXhtgABaHIySUSGw=
 github.com/warpfork/go-wish v0.0.0-20190328234359-8b3e70f8e830/go.mod h1:x6AKhvSSexNrVSrViXSHUEbICjmGXhtgABaHIySUSGw=
@ -1183,7 +1270,6 @@ github.com/whyrusleeping/go-smux-multiplex v3.0.16+incompatible/go.mod h1:34LEDb
 github.com/whyrusleeping/go-smux-multistream v2.0.2+incompatible/go.mod h1:dRWHHvc4HDQSHh9gbKEBbUZ+f2Q8iZTPG3UOGYODxSQ=
 github.com/whyrusleeping/go-smux-yamux v2.0.8+incompatible/go.mod h1:6qHUzBXUbB9MXmw3AUdB52L8sEb/hScCqOdW2kj/wuI=
 github.com/whyrusleeping/go-smux-yamux v2.0.9+incompatible/go.mod h1:6qHUzBXUbB9MXmw3AUdB52L8sEb/hScCqOdW2kj/wuI=
-github.com/whyrusleeping/mafmt v1.2.8 h1:TCghSl5kkwEE0j+sU/gudyhVMRlpBin8fMBBHg59EbA=
 github.com/whyrusleeping/mafmt v1.2.8/go.mod h1:faQJFPbLSxzD9xpA02ttW/tS9vZykNvXwGvqIpk20FA=
 github.com/whyrusleeping/mdns v0.0.0-20180901202407-ef14215e6b30/go.mod h1:j4l84WPFclQPj320J9gp0XwNKBb3U0zt5CBqjPp22G4=
 github.com/whyrusleeping/mdns v0.0.0-20190826153040-b9b60ed33aa9/go.mod h1:j4l84WPFclQPj320J9gp0XwNKBb3U0zt5CBqjPp22G4=
@ -1211,6 +1297,7 @@ go.etcd.io/bbolt v1.3.3/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
 go.etcd.io/bbolt v1.3.4 h1:hi1bXHMVrlQh6WwxAy+qZCV/SYIlqo+Ushwdpa4tAKg=
 go.etcd.io/bbolt v1.3.4/go.mod h1:G5EMThwa9y8QZGBClrRx5EY+Yw9kAhnjy3bSjsnlVTQ=
 go.etcd.io/etcd v0.0.0-20191023171146-3cf2f69b5738/go.mod h1:dnLIgRNXwCJa5e+c6mIZCrds/GIG4ncV9HhK5PX7jPg=
+go.opencensus.io v0.18.0/go.mod h1:vKdFvxhtzZ9onBp9VKHK8z/sRpBMnKAsufL7wlDrCOA=
 go.opencensus.io v0.20.1/go.mod h1:6WKK9ahsWS3RSO+PY9ZHZUfv2irvY6gN279GOPZjmmk=
 go.opencensus.io v0.20.2/go.mod h1:6WKK9ahsWS3RSO+PY9ZHZUfv2irvY6gN279GOPZjmmk=
 go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
@ -1242,18 +1329,22 @@ go.uber.org/zap v1.13.0/go.mod h1:zwrFLgMcdUuIBviXEYEH1YKNaOBnKXsx2IPda5bBwHM=
 go.uber.org/zap v1.14.1/go.mod h1:Mb2vm2krFEG5DV0W9qcHBYFtp/Wku1cvYaqPsS/WYfc=
 go.uber.org/zap v1.15.0 h1:ZZCA22JRF2gQE5FoNmhmrf7jeJJ2uhqDUNRYKm8dvmM=
 go.uber.org/zap v1.15.0/go.mod h1:Mb2vm2krFEG5DV0W9qcHBYFtp/Wku1cvYaqPsS/WYfc=
+go4.org v0.0.0-20180809161055-417644f6feb5/go.mod h1:MkTOUMDaeVYJUOUsaDXIhWPZYa1yOyC1qaOBpL57BhE=
 go4.org v0.0.0-20190218023631-ce4c26f7be8e/go.mod h1:MkTOUMDaeVYJUOUsaDXIhWPZYa1yOyC1qaOBpL57BhE=
 go4.org v0.0.0-20190313082347-94abd6928b1d h1:JkRdGP3zvTtTbabWSAC6n67ka30y7gOzWAah4XYJSfw=
 go4.org v0.0.0-20190313082347-94abd6928b1d/go.mod h1:MkTOUMDaeVYJUOUsaDXIhWPZYa1yOyC1qaOBpL57BhE=
+golang.org/x/build v0.0.0-20190111050920-041ab4dc3f9d/go.mod h1:OWs+y06UdEOHN4y+MfF/py+xQ/tYqIWW03b70/CG9Rw=
 golang.org/x/crypto v0.0.0-20170930174604-9419663f5a44/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20181029021203-45a5f77698d3/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
+golang.org/x/crypto v0.0.0-20181030102418-4d3f4d9ffa16/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20181203042331-505ab145d0a9/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190123085648-057139ce5d2b/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190211182817-74369b46fc67/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190225124518-7f87c0fbb88b/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190228161510-8dd112bcdc25/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20190313024323-a1f597ede03a/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20190426145343-a29dc8fdc734/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190513172903-22d7a77e9e5f/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
@ -1268,10 +1359,12 @@ golang.org/x/crypto v0.0.0-20200117160349-530e935923ad/go.mod h1:LzIPMQfyMNhhGPh
 golang.org/x/crypto v0.0.0-20200128174031-69ecbb4d6d5d/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20200221231518-2aa609cf4a9d/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20200317142112-1b76d66859c6/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/crypto v0.0.0-20200423211502-4bdfaf469ed5/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20200427165652-729f1e841bcc/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20200510223506-06a226fb4e37 h1:cg5LA/zNPRzIXIWSCxQW10Rvpy94aQh3LT/ShoCpkHw=
 golang.org/x/crypto v0.0.0-20200510223506-06a226fb4e37/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
+golang.org/x/lint v0.0.0-20180702182130-06c8688daad7/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
 golang.org/x/lint v0.0.0-20190301231843-5614ed5bae6f/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
@ -1291,6 +1384,8 @@ golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73r
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181011144130-49bb7cea24b1/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181023162649-9b4f9f5ad519/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
+golang.org/x/net v0.0.0-20181029044818-c44066c5c816/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
+golang.org/x/net v0.0.0-20181106065722-10aee1819953/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181201002055-351d144fa1fc/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181220203305-927f97764cc3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@ -1298,7 +1393,9 @@ golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73r
 golang.org/x/net v0.0.0-20190125091013-d26f9f9a57f3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190227160552-c95aed5357e7/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
+golang.org/x/net v0.0.0-20190228165749-92fc7df08ae7/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20190313220215-9f648a60d977/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190522155817-f3200d17e092/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
 golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
@ -1316,7 +1413,10 @@ golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLL
 golang.org/x/net v0.0.0-20200519113804-d87ec0cfa476 h1:E7ct1C6/33eOdrGZKMoyntcEvs2dwZnDe30crG5vpYU=
 golang.org/x/net v0.0.0-20200519113804-d87ec0cfa476/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
+golang.org/x/oauth2 v0.0.0-20181017192945-9dcd33a902f4/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
+golang.org/x/oauth2 v0.0.0-20181203162652-d668ce993890/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
+golang.org/x/perf v0.0.0-20180704124530-6e6d33e29852/go.mod h1:JLpeXjPJfIyPr5TlbXLkXWLhP8nz10XfvxElABhCtcw=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@ -1330,6 +1430,7 @@ golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5h
 golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181026203630-95b1ffbd15a5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20181029174526-d69651ed3497/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181107165924-66b7b1311ac8/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181122145206-62eef0e2fa9b/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@ -1341,6 +1442,7 @@ golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5h
 golang.org/x/sys v0.0.0-20190228124157-a34e9553db1e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190302025703-b6889370fb10/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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@ -1356,6 +1458,7 @@ golang.org/x/sys v0.0.0-20190801041406-cbf593c0f2f3/go.mod h1:h1NjWce9XRLGQEsW7w
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@ -1377,15 +1480,19 @@ golang.org/x/sys v0.0.0-20200427175716-29b57079015a/go.mod h1:h1NjWce9XRLGQEsW7w
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@ -1393,6 +1500,7 @@ golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3
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@ -1414,20 +1522,29 @@ golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8T
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@ -1441,6 +1558,13 @@ google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQ
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@ -1450,16 +1574,14 @@ gopkg.in/cheggaaa/pb.v1 v1.0.25/go.mod h1:V/YB90LKu/1FcN3WVnfiiE5oMCibMjukxqG/qS
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@ -1471,8 +1593,10 @@ gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
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@ -1481,5 +1605,9 @@ howett.net/plist v0.0.0-20181124034731-591f970eefbb h1:jhnBjNi9UFpfpl8YZhA9CrOqp
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 sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
 sourcegraph.com/sourcegraph/appdash v0.0.0-20190731080439-ebfcffb1b5c0/go.mod h1:hI742Nqp5OhwiqlzhgfbWU4mW4yO10fP+LoT9WOswdU=
+sourcegraph.com/sourcegraph/go-diff v0.5.0/go.mod h1:kuch7UrkMzY0X+p9CRK03kfuPQ2zzQcaEFbx8wA8rck=
+sourcegraph.com/sqs/pbtypes v0.0.0-20180604144634-d3ebe8f20ae4/go.mod h1:ketZ/q3QxT9HOBeFhu6RdvsftgpsbFHBF5Cas6cDKZ0=
--- a/lotuspond/main.go
+++ b/lotuspond/main.go
@ -8,7 +8,7 @@ import (
 	"path"
 	"strconv"

-	"gopkg.in/urfave/cli.v2"
+	"github.com/urfave/cli/v2"

 	"github.com/filecoin-project/go-jsonrpc"
 )
--- a/markets/retrievaladapter/client.go
+++ b/markets/retrievaladapter/client.go
@ -14,6 +14,7 @@ import (
 	"github.com/ipfs/go-cid"
 	"golang.org/x/xerrors"

+	"github.com/filecoin-project/lotus/build"
 	"github.com/filecoin-project/lotus/node/impl/full"
 	payapi "github.com/filecoin-project/lotus/node/impl/paych"
 	"github.com/filecoin-project/lotus/paychmgr"
@ -72,7 +73,7 @@ func (rcn *retrievalClientNode) GetChainHead(ctx context.Context) (shared.TipSet
 // WaitForPaymentChannelAddFunds waits messageCID to appear on chain. If it doesn't appear within
 // defaultMsgWaitTimeout it returns error
 func (rcn *retrievalClientNode) WaitForPaymentChannelAddFunds(messageCID cid.Cid) error {
-	_, mr, err := rcn.chainapi.StateManager.WaitForMessage(context.TODO(), messageCID)
+	_, mr, err := rcn.chainapi.StateManager.WaitForMessage(context.TODO(), messageCID, build.MessageConfidence)

 	if err != nil {
 		return err
@ -84,7 +85,7 @@ func (rcn *retrievalClientNode) WaitForPaymentChannelAddFunds(messageCID cid.Cid
 }

 func (rcn *retrievalClientNode) WaitForPaymentChannelCreation(messageCID cid.Cid) (address.Address, error) {
-	_, mr, err := rcn.chainapi.StateManager.WaitForMessage(context.TODO(), messageCID)
+	_, mr, err := rcn.chainapi.StateManager.WaitForMessage(context.TODO(), messageCID, build.MessageConfidence)

 	if err != nil {
 		return address.Undef, err
--- a/markets/storageadapter/client.go
+++ b/markets/storageadapter/client.go
@ -211,7 +211,7 @@ func (c *ClientNodeAdapter) ValidatePublishedDeal(ctx context.Context, deal stor
 	}

 	// TODO: timeout
-	_, ret, err := c.sm.WaitForMessage(ctx, *deal.PublishMessage)
+	_, ret, err := c.sm.WaitForMessage(ctx, *deal.PublishMessage, build.MessageConfidence)
 	if err != nil {
 		return 0, xerrors.Errorf("waiting for deal publish message: %w", err)
 	}
@ -321,7 +321,7 @@ func (c *ClientNodeAdapter) OnDealSectorCommitted(ctx context.Context, provider
 		}
 	}

-	if err := c.ev.Called(checkFunc, called, revert, 3, build.SealRandomnessLookbackLimit, matchEvent); err != nil {
+	if err := c.ev.Called(checkFunc, called, revert, build.MessageConfidence+1, build.SealRandomnessLookbackLimit, matchEvent); err != nil {
 		return xerrors.Errorf("failed to set up called handler: %w", err)
 	}

@ -397,7 +397,7 @@ func (n *ClientNodeAdapter) GetChainHead(ctx context.Context) (shared.TipSetToke
 }

 func (n *ClientNodeAdapter) WaitForMessage(ctx context.Context, mcid cid.Cid, cb func(code exitcode.ExitCode, bytes []byte, err error) error) error {
-	receipt, err := n.StateWaitMsg(ctx, mcid)
+	receipt, err := n.StateWaitMsg(ctx, mcid, build.MessageConfidence)
 	if err != nil {
 		return cb(0, nil, err)
 	}
--- a/markets/storageadapter/provider.go
+++ b/markets/storageadapter/provider.go
@ -321,7 +321,7 @@ func (n *ProviderNodeAdapter) OnDealSectorCommitted(ctx context.Context, provide

 	}

-	if err := n.ev.Called(checkFunc, called, revert, 3, build.SealRandomnessLookbackLimit, matchEvent); err != nil {
+	if err := n.ev.Called(checkFunc, called, revert, build.MessageConfidence+1, build.SealRandomnessLookbackLimit, matchEvent); err != nil {
 		return xerrors.Errorf("failed to set up called handler: %w", err)
 	}

@ -338,7 +338,7 @@ func (n *ProviderNodeAdapter) GetChainHead(ctx context.Context) (shared.TipSetTo
 }

 func (n *ProviderNodeAdapter) WaitForMessage(ctx context.Context, mcid cid.Cid, cb func(code exitcode.ExitCode, bytes []byte, err error) error) error {
-	receipt, err := n.StateWaitMsg(ctx, mcid)
+	receipt, err := n.StateWaitMsg(ctx, mcid, build.MessageConfidence)
 	if err != nil {
 		return cb(0, nil, err)
 	}
--- a/node/builder.go
+++ b/node/builder.go
@ -150,6 +150,7 @@ func defaults() []Option {
 		Override(new(helpers.MetricsCtx), context.Background),
 		Override(new(record.Validator), modules.RecordValidator),
 		Override(new(dtypes.Bootstrapper), dtypes.Bootstrapper(false)),
+		Override(new(dtypes.ShutdownChan), make(chan struct{})),

 		// Filecoin modules

@ -180,6 +181,7 @@ func libp2p() Option {
 		Override(ConnectionManagerKey, lp2p.ConnectionManager(50, 200, 20*time.Second, nil)),
 		Override(AutoNATSvcKey, lp2p.AutoNATService),

+		Override(new(*dtypes.ScoreKeeper), lp2p.ScoreKeeper),
 		Override(new(*pubsub.PubSub), lp2p.GossipSub),
 		Override(new(*config.Pubsub), func(bs dtypes.Bootstrapper) *config.Pubsub {
 			return &config.Pubsub{
--- a/node/impl/common/common.go
+++ b/node/impl/common/common.go
@ -2,6 +2,8 @@ package common

 import (
 	"context"
+	"sort"
+	"strings"

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

@ -28,6 +30,8 @@ type CommonAPI struct {
 	APISecret    *dtypes.APIAlg
 	Host         host.Host
 	Router       lp2p.BaseIpfsRouting
+	Sk           *dtypes.ScoreKeeper
+	ShutdownChan dtypes.ShutdownChan
 }

 type jwtPayload struct {
@ -54,6 +58,21 @@ func (a *CommonAPI) AuthNew(ctx context.Context, perms []auth.Permission) ([]byt
 func (a *CommonAPI) NetConnectedness(ctx context.Context, pid peer.ID) (network.Connectedness, error) {
 	return a.Host.Network().Connectedness(pid), nil
 }
+func (a *CommonAPI) NetPubsubScores(context.Context) ([]api.PubsubScore, error) {
+	scores := a.Sk.Get()
+	out := make([]api.PubsubScore, len(scores))
+	i := 0
+	for k, v := range scores {
+		out[i] = api.PubsubScore{ID: k, Score: v}
+		i++
+	}
+
+	sort.Slice(out, func(i, j int) bool {
+		return strings.Compare(string(out[i].ID), string(out[j].ID)) > 0
+	})
+
+	return out, nil
+}

 func (a *CommonAPI) NetPeers(context.Context) ([]peer.AddrInfo, error) {
 	conns := a.Host.Network().Conns()
@ -115,4 +134,9 @@ func (a *CommonAPI) LogSetLevel(ctx context.Context, subsystem, level string) er
 	return logging.SetLogLevel(subsystem, level)
 }

+func (a *CommonAPI) Shutdown(ctx context.Context) error {
+	a.ShutdownChan <- struct{}{}
+	return nil
+}
+
 var _ api.Common = &CommonAPI{}
--- a/node/impl/full/state.go
+++ b/node/impl/full/state.go
@ -344,10 +344,8 @@ func (a *StateAPI) MinerCreateBlock(ctx context.Context, bt *api.BlockTemplate)
 	return &out, nil
 }

-func (a *StateAPI) StateWaitMsg(ctx context.Context, msg cid.Cid) (*api.MsgLookup, error) {
-	// TODO: consider using event system for this, expose confidence
-
-	ts, recpt, err := a.StateManager.WaitForMessage(ctx, msg)
+func (a *StateAPI) StateWaitMsg(ctx context.Context, msg cid.Cid, confidence uint64) (*api.MsgLookup, error) {
+	ts, recpt, err := a.StateManager.WaitForMessage(ctx, msg, confidence)
 	if err != nil {
 		return nil, err
 	}
--- a/node/modules/dtypes/scorekeeper.go
+++ b/node/modules/dtypes/scorekeeper.go
@ -0,0 +1,24 @@
+package dtypes
+
+import (
+	"sync"
+
+	peer "github.com/libp2p/go-libp2p-core/peer"
+)
+
+type ScoreKeeper struct {
+	lk     sync.Mutex
+	scores map[peer.ID]float64
+}
+
+func (sk *ScoreKeeper) Update(scores map[peer.ID]float64) {
+	sk.lk.Lock()
+	sk.scores = scores
+	sk.lk.Unlock()
+}
+
+func (sk *ScoreKeeper) Get() map[peer.ID]float64 {
+	sk.lk.Lock()
+	defer sk.lk.Unlock()
+	return sk.scores
+}
--- a/node/modules/dtypes/shutdown.go
+++ b/node/modules/dtypes/shutdown.go
@ -0,0 +1,5 @@
+package dtypes
+
+// ShutdownChan is a channel to which you send a value if you intend to shut
+// down the daemon (or storage miner), including the node and RPC server.
+type ShutdownChan chan struct{}
--- a/node/modules/lp2p/pubsub.go
+++ b/node/modules/lp2p/pubsub.go
@ -22,13 +22,18 @@ func init() {
 	// configure larger overlay parameters
 	pubsub.GossipSubD = 8
 	pubsub.GossipSubDscore = 6
+	pubsub.GossipSubDout = 3
 	pubsub.GossipSubDlo = 6
 	pubsub.GossipSubDhi = 12
 	pubsub.GossipSubDlazy = 12
 	pubsub.GossipSubDirectConnectInitialDelay = 30 * time.Second
 }

-func GossipSub(mctx helpers.MetricsCtx, lc fx.Lifecycle, host host.Host, nn dtypes.NetworkName, bp dtypes.BootstrapPeers, cfg *config.Pubsub) (service *pubsub.PubSub, err error) {
+func ScoreKeeper() *dtypes.ScoreKeeper {
+	return new(dtypes.ScoreKeeper)
+}
+
+func GossipSub(mctx helpers.MetricsCtx, lc fx.Lifecycle, host host.Host, nn dtypes.NetworkName, bp dtypes.BootstrapPeers, cfg *config.Pubsub, sk *dtypes.ScoreKeeper) (service *pubsub.PubSub, err error) {
 	bootstrappers := make(map[peer.ID]struct{})
 	for _, pi := range bp {
 		bootstrappers[pi.ID] = struct{}{}
@ -161,6 +166,7 @@ func GossipSub(mctx helpers.MetricsCtx, lc fx.Lifecycle, host host.Host, nn dtyp
 				OpportunisticGraftThreshold: 5,
 			},
 		),
+		pubsub.WithPeerScoreInspect(sk.Update, 10*time.Second),
 	}

 	// enable Peer eXchange on bootstrappers
--- a/paychmgr/simple.go
+++ b/paychmgr/simple.go
@ -12,6 +12,7 @@ import (

 	"github.com/filecoin-project/go-address"

+	"github.com/filecoin-project/lotus/build"
 	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/types"
 )
@ -55,7 +56,7 @@ func (pm *Manager) createPaych(ctx context.Context, from, to address.Address, am
 //  (tricky because we need to setup channel tracking before we know its address)
 func (pm *Manager) waitForPaychCreateMsg(ctx context.Context, mcid cid.Cid) {
 	defer pm.store.lk.Unlock()
-	mwait, err := pm.state.StateWaitMsg(ctx, mcid)
+	mwait, err := pm.state.StateWaitMsg(ctx, mcid, build.MessageConfidence)
 	if err != nil {
 		log.Errorf("wait msg: %w", err)
 	}
@ -105,7 +106,7 @@ func (pm *Manager) addFunds(ctx context.Context, ch address.Address, from addres
 //  (tricky because we need to setup channel tracking before we know it's address)
 func (pm *Manager) waitForAddFundsMsg(ctx context.Context, mcid cid.Cid) {
 	defer pm.store.lk.Unlock()
-	mwait, err := pm.state.StateWaitMsg(ctx, mcid)
+	mwait, err := pm.state.StateWaitMsg(ctx, mcid, build.MessageConfidence)
 	if err != nil {
 		log.Error(err)
 	}
--- a/storage/adapter_storage_miner.go
+++ b/storage/adapter_storage_miner.go
@ -18,6 +18,7 @@ import (
 	"github.com/filecoin-project/specs-actors/actors/util/adt"

 	"github.com/filecoin-project/lotus/api/apibstore"
+	"github.com/filecoin-project/lotus/build"
 	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/store"
 	"github.com/filecoin-project/lotus/chain/types"
@ -81,7 +82,7 @@ func (s SealingAPIAdapter) StateMinerDeadlines(ctx context.Context, maddr addres
 }

 func (s SealingAPIAdapter) StateWaitMsg(ctx context.Context, mcid cid.Cid) (sealing.MsgLookup, error) {
-	wmsg, err := s.delegate.StateWaitMsg(ctx, mcid)
+	wmsg, err := s.delegate.StateWaitMsg(ctx, mcid, build.MessageConfidence)
 	if err != nil {
 		return sealing.MsgLookup{}, err
 	}
--- a/storage/miner.go
+++ b/storage/miner.go
@ -54,7 +54,7 @@ type storageMinerApi interface {
 	StateMinerInfo(context.Context, address.Address, types.TipSetKey) (miner.MinerInfo, error)
 	StateMinerProvingDeadline(context.Context, address.Address, types.TipSetKey) (*miner.DeadlineInfo, error)
 	StateMinerInitialPledgeCollateral(context.Context, address.Address, abi.SectorNumber, types.TipSetKey) (types.BigInt, error)
-	StateWaitMsg(context.Context, cid.Cid) (*api.MsgLookup, error) // TODO: removeme eventually
+	StateWaitMsg(ctx context.Context, cid cid.Cid, confidence uint64) (*api.MsgLookup, error) // TODO: removeme eventually
 	StateGetActor(ctx context.Context, actor address.Address, ts types.TipSetKey) (*types.Actor, error)
 	StateGetReceipt(context.Context, cid.Cid, types.TipSetKey) (*types.MessageReceipt, error)
 	StateMarketStorageDeal(context.Context, abi.DealID, types.TipSetKey) (*api.MarketDeal, error)
--- a/storage/wdpost_run.go
+++ b/storage/wdpost_run.go
@ -176,7 +176,7 @@ func (s *WindowPoStScheduler) checkNextRecoveries(ctx context.Context, deadline

 	log.Warnw("declare faults recovered Message CID", "cid", sm.Cid())

-	rec, err := s.api.StateWaitMsg(context.TODO(), sm.Cid())
+	rec, err := s.api.StateWaitMsg(context.TODO(), sm.Cid(), build.MessageConfidence)
 	if err != nil {
 		return xerrors.Errorf("declare faults recovered wait error: %w", err)
 	}
@ -255,7 +255,7 @@ func (s *WindowPoStScheduler) checkNextFaults(ctx context.Context, deadline uint

 	log.Warnw("declare faults Message CID", "cid", sm.Cid())

-	rec, err := s.api.StateWaitMsg(context.TODO(), sm.Cid())
+	rec, err := s.api.StateWaitMsg(context.TODO(), sm.Cid(), build.MessageConfidence)
 	if err != nil {
 		return xerrors.Errorf("declare faults wait error: %w", err)
 	}
@ -499,7 +499,7 @@ func (s *WindowPoStScheduler) submitPost(ctx context.Context, proof *miner.Submi
 	log.Infof("Submitted window post: %s", sm.Cid())

 	go func() {
-		rec, err := s.api.StateWaitMsg(context.TODO(), sm.Cid())
+		rec, err := s.api.StateWaitMsg(context.TODO(), sm.Cid(), build.MessageConfidence)
 		if err != nil {
 			log.Error(err)
 			return