Merge pull request #8236 from filecoin-project/asr/backport

Lotus release v1.15.0-rc3
2022-03-02 17:06:56 -05:00 · 2022-03-02 16:55:33 -05:00 · 2022-03-02 16:50:03 -05:00 · 2022-03-02 16:48:24 -05:00 · 2022-03-02 16:47:48 -05:00 · 2022-03-02 16:44:27 -05:00
132 changed files with 3653 additions and 4487 deletions
@@ -44,13 +44,13 @@ commands:
      - restore_cache:
          name: Restore parameters cache
          keys:
-            - 'v25-2k-lotus-params'
+            - 'v26-2k-lotus-params'
          paths:
            - /var/tmp/filecoin-proof-parameters/
      - run:  ./lotus fetch-params 2048
      - save_cache:
          name: Save parameters cache
-          key: 'v25-2k-lotus-params'
+          key: 'v26-2k-lotus-params'
          paths:
            - /var/tmp/filecoin-proof-parameters/
  install_ipfs:
@@ -785,11 +785,6 @@ workflows:
          suite: itest-deals_512mb
          target: "./itests/deals_512mb_test.go"
      
-      - test:
-          name: test-itest-deals_anycid
-          suite: itest-deals_anycid
-          target: "./itests/deals_anycid_test.go"
-      
      - test:
          name: test-itest-deals_concurrent
          suite: itest-deals_concurrent
@@ -44,13 +44,13 @@ commands:
      - restore_cache:
          name: Restore parameters cache
          keys:
-            - 'v25-2k-lotus-params'
+            - 'v26-2k-lotus-params'
          paths:
            - /var/tmp/filecoin-proof-parameters/
      - run:  ./lotus fetch-params 2048
      - save_cache:
          name: Save parameters cache
-          key: 'v25-2k-lotus-params'
+          key: 'v26-2k-lotus-params'
          paths:
            - /var/tmp/filecoin-proof-parameters/
  install_ipfs:
@@ -1,4 +1,278 @@
 # Lotus changelog
+# 1.15.0-rc3 / 2022-03-02
+
+This is the third release candidates of v1.15.0, detailed changelog will be updated later. This RC drops the libp2p upgrade that was included in the earlier 2 RCs.
+
+- github.com/filecoin-project/lotus:
+  - bump the version to v1.15.0-rc1
+  - chore: build: v1.14.0 -> master ([filecoin-project/lotus#8053](https://github.com/filecoin-project/lotus/pull/8053))
+  - FinalizeReplicaUpdate ([filecoin-project/lotus#8018](https://github.com/filecoin-project/lotus/pull/8018))
+  - splitstore sortless compaction ([filecoin-project/lotus#8008](https://github.com/filecoin-project/lotus/pull/8008))
+  - perf: chain: Make drand logs in daemon less noisy (#7955) ([filecoin-project/lotus#7955](https://github.com/filecoin-project/lotus/pull/7955))
+  - chore: shed: storage stats 2.0 ([filecoin-project/lotus#7941](https://github.com/filecoin-project/lotus/pull/7941))
+  - StartEpochSealingBuffer triggers packing on timer ([filecoin-project/lotus#7905](https://github.com/filecoin-project/lotus/pull/7905))
+  - deps: update go-paramfetch to v0.0.4 ([filecoin-project/lotus#8050](https://github.com/filecoin-project/lotus/pull/8050))
+  - fix: sealing: Stop recovery attempts after fault ([filecoin-project/lotus#8014](https://github.com/filecoin-project/lotus/pull/8014))
+  - chore: update build and deps ([filecoin-project/lotus#8047](https://github.com/filecoin-project/lotus/pull/8047))
+  - update libp2p to v0.18.0-rc4 ([filecoin-project/lotus#8044](https://github.com/filecoin-project/lotus/pull/8044))
+  - update go-libp2p to v0.18.0-rc3 ([filecoin-project/lotus#8022](https://github.com/filecoin-project/lotus/pull/8022))
+  - misc: api: Annotate lotus tests according to listed behaviors ([filecoin-project/lotus#7835](https://github.com/filecoin-project/lotus/pull/7835))
+  - some basic splitstore refactors ([filecoin-project/lotus#7999](https://github.com/filecoin-project/lotus/pull/7999))
+  - feat: mpool: Cache state nonces ([filecoin-project/lotus#8005](https://github.com/filecoin-project/lotus/pull/8005))
+  - chore: sealer: quieten a log ([filecoin-project/lotus#7998](https://github.com/filecoin-project/lotus/pull/7998))
+  - chore: build: make the OhSnap epoch configurable by an envvar for devnets ([filecoin-project/lotus#7995](https://github.com/filecoin-project/lotus/pull/7995))
+  - chore: chain: fix log ([filecoin-project/lotus#7993](https://github.com/filecoin-project/lotus/pull/7993))
+  - tvx: supply network version when extracting messages. ([filecoin-project/lotus#7996](https://github.com/filecoin-project/lotus/pull/7996))
+  - fix: sealer: manager should lock Unsealed for ReplicaUpdate ([filecoin-project/lotus#7986](https://github.com/filecoin-project/lotus/pull/7986))
+  - chore: remove inaccurate comment in sealtasks ([filecoin-project/lotus#7977](https://github.com/filecoin-project/lotus/pull/7977))
+  - update go-libp2p to v0.18.0-rc2 ([filecoin-project/lotus#7984](https://github.com/filecoin-project/lotus/pull/7984))
+  - Fix: sealer: ReplicaUpdate should fetch the correct files ([filecoin-project/lotus#7983](https://github.com/filecoin-project/lotus/pull/7983))
+  - libp2p v0.18.0-rc1 and initial resource manager integration ([filecoin-project/lotus#7969](https://github.com/filecoin-project/lotus/pull/7969))
+  - chore: merge release/v1.14.0 PRs into master ([filecoin-project/lotus#7979](https://github.com/filecoin-project/lotus/pull/7979))
+  - chore: update PR template ([filecoin-project/lotus#7918](https://github.com/filecoin-project/lotus/pull/7918))
+  - Fix: chain: create a new VM for each epoch ([filecoin-project/lotus#7966](https://github.com/filecoin-project/lotus/pull/7966))
+  - feat(deps): update markets stack ([filecoin-project/lotus#7959](https://github.com/filecoin-project/lotus/pull/7959))
+  - Use go-libp2p-connmgr v0.3.1 ([filecoin-project/lotus#7957](https://github.com/filecoin-project/lotus/pull/7957))
+  - feat: #7747 sealing: Adding conf variable for capping number of concurrent unsealing jobs (#7884) ([filecoin-project/lotus#7884](https://github.com/filecoin-project/lotus/pull/7884))
+  - build: release: bump master version to v1.15.0-dev ([filecoin-project/lotus#7922](https://github.com/filecoin-project/lotus/pull/7922))
+  - feat: build: butterfly SNAPNET ([filecoin-project/lotus#7932](https://github.com/filecoin-project/lotus/pull/7932))
+  - correctness fixes for the autobatch blockstore ([filecoin-project/lotus#7940](https://github.com/filecoin-project/lotus/pull/7940))
+  - fix: #7869 sealing: Add more deal expiration checks during PRU pipeline ([filecoin-project/lotus#7871](https://github.com/filecoin-project/lotus/pull/7871))
+  - fix: blockstore: Add missing locks to autobatch::Get() ([filecoin-project/lotus#7939](https://github.com/filecoin-project/lotus/pull/7939))
+  - feat: state: Fast migration for v15 ([filecoin-project/lotus#7933](https://github.com/filecoin-project/lotus/pull/7933))
+  - enhancement: #7891 sectors: disable existing existing cc upgrade path 2 days before the upgrade epoch ([filecoin-project/lotus#7900](https://github.com/filecoin-project/lotus/pull/7900))
+  - chore: deps: Integrate proof v11.0.0 ([filecoin-project/lotus#7923](https://github.com/filecoin-project/lotus/pull/7923))
+  - Snap Deals Lotus Integration: FSM Posting and integration test ([filecoin-project/lotus#7810](https://github.com/filecoin-project/lotus/pull/7810))
+  - chore: deps: Update go-paramfetch ([filecoin-project/lotus#7917](https://github.com/filecoin-project/lotus/pull/7917))
+  - feat: #7880 gas: add gas charge for VerifyReplicaUpdate ([filecoin-project/lotus#7897](https://github.com/filecoin-project/lotus/pull/7897))
+  - misc: build: v1.13.2 back to master ([filecoin-project/lotus#7910](https://github.com/filecoin-project/lotus/pull/7910))
+  - FIX: #7904 CI: generated vectors from v7 for bleeding edge ([filecoin-project/lotus#7903](https://github.com/filecoin-project/lotus/pull/7903))
+  - misc: docs: remove issue number from the pr title ([filecoin-project/lotus#7902](https://github.com/filecoin-project/lotus/pull/7902))
+  - Fix: state: circsuypply calc around null blocks ([filecoin-project/lotus#7890](https://github.com/filecoin-project/lotus/pull/7890))
+  - test vector runner fixes for v6 vectors ([filecoin-project/lotus#7881](https://github.com/filecoin-project/lotus/pull/7881))
+  - Shed: Add a util to send a batch of messages ([filecoin-project/lotus#7667](https://github.com/filecoin-project/lotus/pull/7667))
+  - Snapcraft grade no develgrade ([filecoin-project/lotus#7802](https://github.com/filecoin-project/lotus/pull/7802))
+  - fix: doc generation struct slice example value ([filecoin-project/lotus#7851](https://github.com/filecoin-project/lotus/pull/7851))
+  - fix: returned error not be accept correctly ([filecoin-project/lotus#7852](https://github.com/filecoin-project/lotus/pull/7852))
+  - Add api for transfer diagnostics ([filecoin-project/lotus#7759](https://github.com/filecoin-project/lotus/pull/7759))
+  - Refactor: VM: Remove the NetworkVersionGetter ([filecoin-project/lotus#7818](https://github.com/filecoin-project/lotus/pull/7818))
+  - fix: #7577 markets: When retrying Add Piece, first seek to start of reader ([filecoin-project/lotus#7812](https://github.com/filecoin-project/lotus/pull/7812))
+  - feat: #6017 market: retrieval ask CLI command ([filecoin-project/lotus#7814](https://github.com/filecoin-project/lotus/pull/7814))
+  - misc: n/a sealing: Fix grammatical error in a log warning message ([filecoin-project/lotus#7831](https://github.com/filecoin-project/lotus/pull/7831))
+  - sectors update-state checks if sector exists before changing its state ([filecoin-project/lotus#7762](https://github.com/filecoin-project/lotus/pull/7762))
+  - refactor: state: Move randomness versioning out of the VM ([filecoin-project/lotus#7816](https://github.com/filecoin-project/lotus/pull/7816))
+  - feat(graphsync): allow setting of per-peer incoming requests for miners ([filecoin-project/lotus#7578](https://github.com/filecoin-project/lotus/pull/7578))
+  - updating to new datastore/blockstore code with contexts ([filecoin-project/lotus#7646](https://github.com/filecoin-project/lotus/pull/7646))
+  - Shed: Add a util to list terminated deals ([filecoin-project/lotus#7774](https://github.com/filecoin-project/lotus/pull/7774))
+  - VM: Circ supply should be constant per epoch ([filecoin-project/lotus#7811](https://github.com/filecoin-project/lotus/pull/7811))
+  - chore: create pull_request_template.md ([filecoin-project/lotus#7726](https://github.com/filecoin-project/lotus/pull/7726))
+  - Mempool msg selection should respect block message limits ([filecoin-project/lotus#7321](https://github.com/filecoin-project/lotus/pull/7321))
+  - Merge v15 work into master ([filecoin-project/lotus#7784](https://github.com/filecoin-project/lotus/pull/7784))
+  - Expose EnableGasTracing as an env_var ([filecoin-project/lotus#7750](https://github.com/filecoin-project/lotus/pull/7750))
+  - Minor improvement for OpenTelemetry ([filecoin-project/lotus#7760](https://github.com/filecoin-project/lotus/pull/7760))
+  - Sort lotus-miner retrieval-deals by dealId ([filecoin-project/lotus#7749](https://github.com/filecoin-project/lotus/pull/7749))
+  - Make retrieval even faster ([filecoin-project/lotus#7746](https://github.com/filecoin-project/lotus/pull/7746))
+  - dep/fix 7701 Dependency: update to ipld-legacy to v0.1.1 ([filecoin-project/lotus#7751](https://github.com/filecoin-project/lotus/pull/7751))
+  - Command to list active sector locks ([filecoin-project/lotus#7735](https://github.com/filecoin-project/lotus/pull/7735))
+  - dagstore pieceReader: Always read full in ReadAt ([filecoin-project/lotus#7737](https://github.com/filecoin-project/lotus/pull/7737))
+  - SplitStore: supress compaction near upgrades ([filecoin-project/lotus#7734](https://github.com/filecoin-project/lotus/pull/7734))
+  - Disable appimage ([filecoin-project/lotus#7707](https://github.com/filecoin-project/lotus/pull/7707))
+  - Initial switch to OpenTelemetry ([filecoin-project/lotus#7725](https://github.com/filecoin-project/lotus/pull/7725))
+  - Bump the master version to v1.13.3-dev ([filecoin-project/lotus#7717](https://github.com/filecoin-project/lotus/pull/7717))
+- github.com/filecoin-project/dagstore (v0.4.3 -> v0.4.4):
+  failed to fetch repo
+- github.com/filecoin-project/go-amt-ipld/v4 (null -> v4.0.0):
+  - v4 (#60) ([filecoin-project/go-amt-ipld#60](https://github.com/filecoin-project/go-amt-ipld/pull/60))
+  - Merge pull request from GHSA-3wpc-wmc7-8p5g
+  - add .github/workflows/tagpush.yml
+  - add .github/workflows/release-check.yml
+  - add .github/workflows/releaser.yml
+  - update .github/workflows/go-check.yml
+  - update .github/workflows/go-test.yml
+  - add version.json file
+  - fix: fix bitWidth error message (#58) ([filecoin-project/go-amt-ipld#58](https://github.com/filecoin-project/go-amt-ipld/pull/58))
+  - update .github/workflows/go-check.yml
+  - update .github/workflows/go-test.yml
+  - update .github/workflows/automerge.yml
+- github.com/filecoin-project/go-commp-utils (v0.1.2 -> v0.1.3):
+  - chore(deps): clean up dependencies (#7) ([filecoin-project/go-commp-utils#7](https://github.com/filecoin-project/go-commp-utils/pull/7))
+- github.com/filecoin-project/go-ds-versioning (v0.1.0 -> v0.1.1):
+  - update to context datastores (#3) ([filecoin-project/go-ds-versioning#3](https://github.com/filecoin-project/go-ds-versioning/pull/3))
+  - ci(circle): fix versions (#4) ([filecoin-project/go-ds-versioning#4](https://github.com/filecoin-project/go-ds-versioning/pull/4))
+- github.com/filecoin-project/go-fil-markets (v1.13.4 -> v1.19.0):
+  - release: v1.19.0
+  - Update to go-data-transfer v1.14.0 / go-libp2p v0.18.0-rc1 (#669) ([filecoin-project/go-fil-markets#669](https://github.com/filecoin-project/go-fil-markets/pull/669))
+  - release: v1.18.0 (#671) ([filecoin-project/go-fil-markets#671](https://github.com/filecoin-project/go-fil-markets/pull/671))
+  - revert index provider PR #629 and associated PRs (#670) ([filecoin-project/go-fil-markets#670](https://github.com/filecoin-project/go-fil-markets/pull/670))
+  - log advertisement cid for announcement and update deps (#667) ([filecoin-project/go-fil-markets#667](https://github.com/filecoin-project/go-fil-markets/pull/667))
+  - release: v1.15.0 ([filecoin-project/go-fil-markets#661](https://github.com/filecoin-project/go-fil-markets/pull/661))
+  - retrieve by any CID (not just root CID) and reference provider integration (#629) ([filecoin-project/go-fil-markets#629](https://github.com/filecoin-project/go-fil-markets/pull/629))
+  - release: v1.14.1 ([filecoin-project/go-fil-markets#660](https://github.com/filecoin-project/go-fil-markets/pull/660))
+  - refactor: isolate commp in its own package to avoid exposing pulling filecoin-ffi (#659) ([filecoin-project/go-fil-markets#659](https://github.com/filecoin-project/go-fil-markets/pull/659))
+  - release: v1.14.0 ([filecoin-project/go-fil-markets#658](https://github.com/filecoin-project/go-fil-markets/pull/658))
+  - add SeekStart method to inflator reader (#656) ([filecoin-project/go-fil-markets#656](https://github.com/filecoin-project/go-fil-markets/pull/656))
+  - Merge tag 'v1.13.6'
+  - Timeout provider after waiting a period of time for transfer to restart (#655) ([filecoin-project/go-fil-markets#655](https://github.com/filecoin-project/go-fil-markets/pull/655))
+  - Update to context datastores (#653) ([filecoin-project/go-fil-markets#653](https://github.com/filecoin-project/go-fil-markets/pull/653))
+  - Fix and de-dupe link to spec (#652) ([filecoin-project/go-fil-markets#652](https://github.com/filecoin-project/go-fil-markets/pull/652))
+  - release: v1.13.4 (#651) ([filecoin-project/go-fil-markets#651](https://github.com/filecoin-project/go-fil-markets/pull/651))
+- github.com/filecoin-project/go-paramfetch (v0.0.2 -> v0.0.4):
+  - retry fetching once before erroring ([filecoin-project/go-paramfetch#22](https://github.com/filecoin-project/go-paramfetch/pull/22))
+  - Always verify SnapDeals params ([filecoin-project/go-paramfetch#20](https://github.com/filecoin-project/go-paramfetch/pull/20))
+- github.com/filecoin-project/go-state-types (v0.1.1 -> v0.1.3):
+  - CBOR encode Addr Pairs for keys (#35) ([filecoin-project/go-state-types#35](https://github.com/filecoin-project/go-state-types/pull/35))
+  - Add AddrPairKey (#34) ([filecoin-project/go-state-types#34](https://github.com/filecoin-project/go-state-types/pull/34))
+- github.com/filecoin-project/go-statestore (v0.1.1 -> v0.2.0):
+  - update to context datastores ([filecoin-project/go-statestore#10](https://github.com/filecoin-project/go-statestore/pull/10))
+- github.com/filecoin-project/go-storedcounter (v0.0.0-20200421200003-1c99c62e8a5b -> v0.1.0):
+  - Update go-datastore ([filecoin-project/go-storedcounter#1](https://github.com/filecoin-project/go-storedcounter/pull/1))
+- github.com/filecoin-project/specs-actors/v2 (v2.3.5 -> v2.3.6):
+  - Update to context datastores (#1541) ([filecoin-project/specs-actors#1541](https://github.com/filecoin-project/specs-actors/pull/1541))
+- github.com/filecoin-project/specs-storage (v0.1.1-0.20201105051918-5188d9774506 -> v0.2.0):
+  - FinalizeReplicaUpdate (#22) ([filecoin-project/specs-storage#22](https://github.com/filecoin-project/specs-storage/pull/22))
+  - Add release of sectorkey and replica update ([filecoin-project/specs-storage#20](https://github.com/filecoin-project/specs-storage/pull/20))
+  - Feat/update post gen (#19) ([filecoin-project/specs-storage#19](https://github.com/filecoin-project/specs-storage/pull/19))
+  - Add sector key to ReplicaUpdate iface method (#18) ([filecoin-project/specs-storage#18](https://github.com/filecoin-project/specs-storage/pull/18))
+  - Update for snap deals (#17) ([filecoin-project/specs-storage#17](https://github.com/filecoin-project/specs-storage/pull/17))
+  - Merge remote-tracking branch 'origin/feat/sector-ref'
+
+Contributors
+
+| Contributor | Commits | Lines ± | Files Changed |
+|-------------|---------|---------|---------------|
+| Aayush Rajasekaran | 116 | +12792/-3989 | 579 |
+| zenground0 | 38 | +8894/-1521 | 343 |
+| vyzo | 121 | +4537/-1470 | 258 |
+| zl | 1 | +3725/-309 | 8 |
+| dirkmc | 7 | +1392/-1110 | 61 |
+| Jennifer Wang | 55 | +890/-806 | 121 |
+| Łukasz Magiera | 35 | +1143/-339 | 104 |
+| whyrusleeping | 2 | +483/-585 | 28 |
+| Darko Brdareski | 14 | +725/-276 | 154 |
+| Rod Vagg | 3 | +45/-949 | 12 |
+| hannahhoward | 10 | +481/-133 | 35 |
+| Hannah Howard | 3 | +371/-234 | 22 |
+| c r | 4 | +425/-75 | 18 |
+| TheMenko | 8 | +237/-179 | 17 |
+| Aayush | 15 | +197/-106 | 57 |
+| ZenGround0 | 3 | +263/-25 | 11 |
+| Dirk McCormick | 12 | +188/-40 | 27 |
+| Peter Rabbitson | 3 | +128/-62 | 3 |
+| Steven Allen | 2 | +110/-74 | 2 |
+| Raúl Kripalani | 6 | +128/-49 | 9 |
+| Whyrusleeping | 1 | +76/-70 | 8 |
+| web3-bot | 10 | +99/-17 | 10 |
+| Jiaying Wang | 15 | +58/-23 | 15 |
+| Aarsh Shah | 1 | +23/-19 | 5 |
+| Travis Person | 2 | +2/-20 | 4 |
+| Jakub Sztandera | 3 | +13/-5 | 5 |
+| gstuart | 3 | +12/-1 | 3 |
+| Cory Schwartz | 4 | +5/-6 | 4 |
+| pefish | 1 | +4/-3 | 1 |
+| Colin Kennedy | 1 | +4/-2 | 1 |
+| Rob Quist | 1 | +2/-2 | 1 |
+| shotcollin | 1 | +1/-1 | 1 |
+
+# 1.14.2 / 2022-02-24
+
+This is an **optional** release of lotus, that's had a couple more improvements w.r.t Snap experience for storage providers in preparation of the[upcoming OhSnap upgrade](https://github.com/filecoin-project/community/discussions/74?sort=new#discussioncomment-1922550). 
+
+Note that the network is STILL scheduled to upgrade to v15 on March 1st at 2022-03-01T15:00:00Z. All node operators, including storage providers, must upgrade to at least Lotus v1.14.0 before that time. Storage providers must update their daemons, miners, and worker(s).
+
+Wanna know how to Snap your deal? Check [this](https://github.com/filecoin-project/lotus/discussions/8141) out! 
+
+## Bug Fixes
+- fix lotus-bench for sealing jobs (#8173)
+- fix:sealing:really-do-it flag for abort upgrade (#8181)
+- fix:proving:post check sector handles snap deals replica faults (#8177)
+- fix: sealing: missing file type (#8180)
+
+## Others
+- Retract force-pushed v1.14.0 to work around stale gomod caches (#8159): We originally tagged v1.14.0 off the wrong 
+  commit and fixed that by a force push, in which is a really bad practise since it messes up the go mod. Therefore, 
+  we want to retract it and users may use v1.14.1&^.
+
+## Contributors
+
+| Contributor | Commits | Lines ± | Files Changed |
+|-------------|---------|---------|---------------|
+| @zenground0 | 2 | +73/-58 | 12 |
+| @eben.xie | 1 | +7/-0 | 1 |
+| @jennijuju | 1 | +4/-0 | 1 |
+| @jennijuju | 1 | +2/-1 | 1 |
+| @ribasushi | 1 | +2/-0 | 1 |
+
+# 1.14.1 / 2022-02-18
+
+This is an **optional** release of lotus, that fixes the incorrect *comment* of network v15 OhSnap upgrade **date**. Note the actual upgrade epoch in [v1.14.0](https://github.com/filecoin-project/lotus/releases/tag/v1.14.0) was correct.
+
+# 1.14.0 / 2022-02-17
+
+This is a MANDATORY release of Lotus that introduces [Filecoin network v15, 
+codenamed the OhSnap upgrade](https://github.com/filecoin-project/community/discussions/74?sort=new#discussioncomment-1922550).
+
+The network is scheduled to upgrade to v15 on March 1st at 2022-03-01T15:00:00Z. All node operators, including storage providers, must upgrade to this release (or a later release) before that time. Storage providers must update their daemons, miners, and worker(s).
+
+The OhSnap upgrade introduces the following FIPs, delivered in [actors v7](https://github.com/filecoin-project/specs-actors/releases/tag/v7.0.0):
+- [FIP-0019 Snap Deals](https://github.com/filecoin-project/FIPs/blob/master/FIPS/fip-0019.md)
+- [FIP-0028 Remove Datacap from Verified clients](https://github.com/filecoin-project/FIPs/pull/226)
+
+It is recommended that storage providers download the new params before updating their node, miner, and workers. To do so:
+
+- Download Lotus v1.14.0 or later
+- run `make lotus-shed`
+- run `./lotus-shed fetch-params` with the appropriate `proving-params` flag
+- Upgrade the Lotus daemon and miner **when the previous step is complete**
+
+All node operators, including storage providers, should be aware that a pre-migration will begin at 2022-03-01T13:30:00Z (90 minutes before the real upgrade). The pre-migration will take between 20 and 50 minutes, depending on hardware specs. During this time, expect slower block validation times, increased CPU and memory usage, and longer delays for API queries.
+  
+## New Features and Changes
+- Integrate actor v7-rc1:
+  - Integrate v7 actors ([#7617](https://github.com/filecoin-project/lotus/pull/7617))
+  - feat: state: Fast migration for v15 ([#7933](https://github.com/filecoin-project/lotus/pull/7933))
+  - fix: blockstore: Add missing locks to autobatch::Get() [#7939](https://github.com/filecoin-project/lotus/pull/7939))
+  - correctness fixes for the autobatch blockstore ([#7940](https://github.com/filecoin-project/lotus/pull/7940))
+- Implement and support [FIP-0019 Snap Deals](https://github.com/filecoin-project/FIPs/blob/master/FIPS/fip-0019.md)
+  - chore: deps: Integrate proof v11.0.0 ([#7923](https://github.com/filecoin-project/lotus/pull/7923))
+  - Snap Deals Lotus Integration: FSM Posting and integration test ([#7810](https://github.com/filecoin-project/lotus/pull/7810))
+  - Feat/sector storage unseal ([#7730](https://github.com/filecoin-project/lotus/pull/7730))
+  - Feat/snap deals storage ([#7615](https://github.com/filecoin-project/lotus/pull/7615))
+  - fix: sealing: Add more deal expiration checks during PRU pipeline ([#7871](https://github.com/filecoin-project/lotus/pull/7871))
+  - chore: deps: Update go-paramfetch ([#7917](https://github.com/filecoin-project/lotus/pull/7917))
+  - feat: #7880 gas: add gas charge for VerifyReplicaUpdate ([#7897](https://github.com/filecoin-project/lotus/pull/7897))
+  - enhancement: sectors: disable existing cc upgrade path 2 days before the upgrade epoch ([#7900](https://github.com/filecoin-project/lotus/pull/7900))
+
+## Improvements
+- updating to new datastore/blockstore code with contexts ([#7646](https://github.com/filecoin-project/lotus/pull/7646))
+- reorder transfer checks so as to ensure sending 2B FIL to yourself fails if you don't have that amount ([#7637](https://github.com/filecoin-project/lotus/pull/7637))
+- VM: Circ supply should be constant per epoch ([#7811](https://github.com/filecoin-project/lotus/pull/7811))
+
+## Bug Fixes
+- Fix: state: circsuypply calc around null blocks ([#7890](https://github.com/filecoin-project/lotus/pull/7890))
+- Mempool msg selection should respect block message limits ([#7321](https://github.com/filecoin-project/lotus/pull/7321))
+  SplitStore: supress compaction near upgrades ([#7734](https://github.com/filecoin-project/lotus/pull/7734))
+  
+## Others
+- chore: create pull_request_template.md ([#7726](https://github.com/filecoin-project/lotus/pull/7726))
+
+## Contributors
+
+| Contributor | Commits | Lines ± | Files Changed |
+|-------------|---------|---------|---------------|
+| Aayush Rajasekaran | 41 | +5538/-1205 | 189 |
+| zenground0 | 11 | +3316/-524 | 124 |
+| Jennifer Wang | 29 | +714/-599 | 68 |
+| ZenGround0 | 3 | +263/-25 | 11 |
+| c r | 2 | +198/-30 | 6 |
+| vyzo | 4 | +189/-7 | 7 |
+| Aayush | 11 | +146/-48 | 49 |
+| web3-bot | 10 | +99/-17 | 10 |
+| Steven Allen | 1 | +55/-37 | 1 |
+| Jiaying Wang | 5 | +30/-8 | 5 |
+| Jakub Sztandera | 2 | +8/-3 | 3 |
+| Łukasz Magiera | 1 | +3/-3 | 2 |
+| Travis Person | 1 | +2/-2 | 2 |
+| Rod Vagg | 1 | +2/-2 | 2 |

 # v1.13.2 /  2022-01-09

@@ -51,15 +51,6 @@ type Net interface {
 	NetBlockRemove(ctx context.Context, acl NetBlockList) error //perm:admin
 	NetBlockList(ctx context.Context) (NetBlockList, error)     //perm:read

-	NetProtectAdd(ctx context.Context, acl []peer.ID) error    //perm:admin
-	NetProtectRemove(ctx context.Context, acl []peer.ID) error //perm:admin
-	NetProtectList(ctx context.Context) ([]peer.ID, error)     //perm:read
-
-	// ResourceManager API
-	NetStat(ctx context.Context, scope string) (NetStat, error)          //perm:read
-	NetLimit(ctx context.Context, scope string) (NetLimit, error)        //perm:read
-	NetSetLimit(ctx context.Context, scope string, limit NetLimit) error //perm:admin
-
 	// ID returns peerID of libp2p node backing this API
 	ID(context.Context) (peer.ID, error) //perm:read
 }
@@ -113,6 +113,8 @@ type StorageMiner interface {
 	// SectorCommitPending returns a list of pending Commit sectors to be sent in the next aggregate message
 	SectorCommitPending(ctx context.Context) ([]abi.SectorID, error) //perm:admin
 	SectorMatchPendingPiecesToOpenSectors(ctx context.Context) error //perm:admin
+	// SectorAbortUpgrade can be called on sectors that are in the process of being upgraded to abort it
+	SectorAbortUpgrade(context.Context, abi.SectorNumber) error //perm:admin

 	// WorkerConnect tells the node to connect to workers RPC
 	WorkerConnect(context.Context, string) error                              //perm:admin retry:true
@@ -130,6 +132,7 @@ type StorageMiner interface {
 	ReturnProveReplicaUpdate1(ctx context.Context, callID storiface.CallID, vanillaProofs storage.ReplicaVanillaProofs, err *storiface.CallError) error //perm:admin retry:true
 	ReturnProveReplicaUpdate2(ctx context.Context, callID storiface.CallID, proof storage.ReplicaUpdateProof, err *storiface.CallError) error           //perm:admin retry:true
 	ReturnGenerateSectorKeyFromData(ctx context.Context, callID storiface.CallID, err *storiface.CallError) error                                       //perm:admin retry:true
+	ReturnFinalizeReplicaUpdate(ctx context.Context, callID storiface.CallID, err *storiface.CallError) error                                           //perm:admin retry:true
 	ReturnReleaseUnsealed(ctx context.Context, callID storiface.CallID, err *storiface.CallError) error                                                 //perm:admin retry:true
 	ReturnMoveStorage(ctx context.Context, callID storiface.CallID, err *storiface.CallError) error                                                     //perm:admin retry:true
 	ReturnUnsealPiece(ctx context.Context, callID storiface.CallID, err *storiface.CallError) error                                                     //perm:admin retry:true
@@ -219,19 +222,6 @@ type StorageMiner interface {
 	// DagstoreGC runs garbage collection on the DAG store.
 	DagstoreGC(ctx context.Context) ([]DagstoreShardResult, error) //perm:admin

-	// IndexerAnnounceDeal informs indexer nodes that a new deal was received,
-	// so they can download its index
-	IndexerAnnounceDeal(ctx context.Context, proposalCid cid.Cid) error //perm:admin
-
-	// IndexerAnnounceAllDeals informs the indexer nodes aboutall active deals.
-	IndexerAnnounceAllDeals(ctx context.Context) error //perm:admin
-
-	// DagstorePieceIndexSize returns the size of the piece index.
-	DagstorePieceIndexSize(ctx context.Context) (int64, error) //perm:admin
-
-	// DagstoreLookupPieces returns information about shards that contain the given CID.
-	DagstoreLookupPieces(ctx context.Context, cid cid.Cid) ([]DagstoreShardInfo, error) //perm:admin
-
 	// RuntimeSubsystems returns the subsystems that are enabled
 	// in this instance.
 	RuntimeSubsystems(ctx context.Context) (MinerSubsystems, error) //perm:read
@@ -266,7 +256,7 @@ type StorageMiner interface {
 	// the path specified when calling CreateBackup is within the base path
 	CreateBackup(ctx context.Context, fpath string) error //perm:admin

-	CheckProvable(ctx context.Context, pp abi.RegisteredPoStProof, sectors []storage.SectorRef, expensive bool) (map[abi.SectorNumber]string, error) //perm:admin
+	CheckProvable(ctx context.Context, pp abi.RegisteredPoStProof, sectors []storage.SectorRef, update []bool, expensive bool) (map[abi.SectorNumber]string, error) //perm:admin

 	ComputeProof(ctx context.Context, ssi []builtin.ExtendedSectorInfo, rand abi.PoStRandomness, poStEpoch abi.ChainEpoch, nv abinetwork.Version) ([]builtin.PoStProof, error) //perm:read
 }
@@ -39,6 +39,7 @@ type Worker interface {
 	SealCommit1(ctx context.Context, sector storage.SectorRef, ticket abi.SealRandomness, seed abi.InteractiveSealRandomness, pieces []abi.PieceInfo, cids storage.SectorCids) (storiface.CallID, error) //perm:admin
 	SealCommit2(ctx context.Context, sector storage.SectorRef, c1o storage.Commit1Out) (storiface.CallID, error)                                                                                         //perm:admin
 	FinalizeSector(ctx context.Context, sector storage.SectorRef, keepUnsealed []storage.Range) (storiface.CallID, error)                                                                                //perm:admin
+	FinalizeReplicaUpdate(ctx context.Context, sector storage.SectorRef, keepUnsealed []storage.Range) (storiface.CallID, error)                                                                         //perm:admin
 	ReplicaUpdate(ctx context.Context, sector storage.SectorRef, pieces []abi.PieceInfo) (storiface.CallID, error)                                                                                       //perm:admin
 	ProveReplicaUpdate1(ctx context.Context, sector storage.SectorRef, sectorKey, newSealed, newUnsealed cid.Cid) (storiface.CallID, error)                                                              //perm:admin
 	ProveReplicaUpdate2(ctx context.Context, sector storage.SectorRef, sectorKey, newSealed, newUnsealed cid.Cid, vanillaProofs storage.ReplicaVanillaProofs) (storiface.CallID, error)                  //perm:admin
@@ -300,34 +300,6 @@ func init() {
 		Error: "<error>",
 	})
 	addExample(storiface.ResourceTable)
-	addExample(network.ScopeStat{
-		Memory:             123,
-		NumStreamsInbound:  1,
-		NumStreamsOutbound: 2,
-		NumConnsInbound:    3,
-		NumConnsOutbound:   4,
-		NumFD:              5,
-	})
-	addExample(map[string]network.ScopeStat{
-		"abc": {
-			Memory:             123,
-			NumStreamsInbound:  1,
-			NumStreamsOutbound: 2,
-			NumConnsInbound:    3,
-			NumConnsOutbound:   4,
-			NumFD:              5,
-		}})
-	addExample(api.NetLimit{
-		Memory:          123,
-		StreamsInbound:  1,
-		StreamsOutbound: 2,
-		Streams:         3,
-		ConnsInbound:    3,
-		ConnsOutbound:   4,
-		Conns:           4,
-		FD:              5,
-	})
-
 }

 func GetAPIType(name, pkg string) (i interface{}, t reflect.Type, permStruct []reflect.Type) {
@@ -1811,21 +1811,6 @@ func (mr *MockFullNodeMockRecorder) NetFindPeer(arg0, arg1 interface{}) *gomock.
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "NetFindPeer", reflect.TypeOf((*MockFullNode)(nil).NetFindPeer), arg0, arg1)
 }

-// NetLimit mocks base method.
-func (m *MockFullNode) NetLimit(arg0 context.Context, arg1 string) (api.NetLimit, error) {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "NetLimit", arg0, arg1)
-	ret0, _ := ret[0].(api.NetLimit)
-	ret1, _ := ret[1].(error)
-	return ret0, ret1
-}
-
-// NetLimit indicates an expected call of NetLimit.
-func (mr *MockFullNodeMockRecorder) NetLimit(arg0, arg1 interface{}) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "NetLimit", reflect.TypeOf((*MockFullNode)(nil).NetLimit), arg0, arg1)
-}
-
 // NetPeerInfo mocks base method.
 func (m *MockFullNode) NetPeerInfo(arg0 context.Context, arg1 peer.ID) (*api.ExtendedPeerInfo, error) {
 	m.ctrl.T.Helper()
@@ -1856,49 +1841,6 @@ func (mr *MockFullNodeMockRecorder) NetPeers(arg0 interface{}) *gomock.Call {
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "NetPeers", reflect.TypeOf((*MockFullNode)(nil).NetPeers), arg0)
 }

-// NetProtectAdd mocks base method.
-func (m *MockFullNode) NetProtectAdd(arg0 context.Context, arg1 []peer.ID) error {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "NetProtectAdd", arg0, arg1)
-	ret0, _ := ret[0].(error)
-	return ret0
-}
-
-// NetProtectAdd indicates an expected call of NetProtectAdd.
-func (mr *MockFullNodeMockRecorder) NetProtectAdd(arg0, arg1 interface{}) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "NetProtectAdd", reflect.TypeOf((*MockFullNode)(nil).NetProtectAdd), arg0, arg1)
-}
-
-// NetProtectList mocks base method.
-func (m *MockFullNode) NetProtectList(arg0 context.Context) ([]peer.ID, error) {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "NetProtectList", arg0)
-	ret0, _ := ret[0].([]peer.ID)
-	ret1, _ := ret[1].(error)
-	return ret0, ret1
-}
-
-// NetProtectList indicates an expected call of NetProtectList.
-func (mr *MockFullNodeMockRecorder) NetProtectList(arg0 interface{}) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "NetProtectList", reflect.TypeOf((*MockFullNode)(nil).NetProtectList), arg0)
-}
-
-// NetProtectRemove mocks base method.
-func (m *MockFullNode) NetProtectRemove(arg0 context.Context, arg1 []peer.ID) error {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "NetProtectRemove", arg0, arg1)
-	ret0, _ := ret[0].(error)
-	return ret0
-}
-
-// NetProtectRemove indicates an expected call of NetProtectRemove.
-func (mr *MockFullNodeMockRecorder) NetProtectRemove(arg0, arg1 interface{}) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "NetProtectRemove", reflect.TypeOf((*MockFullNode)(nil).NetProtectRemove), arg0, arg1)
-}
-
 // NetPubsubScores mocks base method.
 func (m *MockFullNode) NetPubsubScores(arg0 context.Context) ([]api.PubsubScore, error) {
 	m.ctrl.T.Helper()
@@ -1914,35 +1856,6 @@ func (mr *MockFullNodeMockRecorder) NetPubsubScores(arg0 interface{}) *gomock.Ca
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "NetPubsubScores", reflect.TypeOf((*MockFullNode)(nil).NetPubsubScores), arg0)
 }

-// NetSetLimit mocks base method.
-func (m *MockFullNode) NetSetLimit(arg0 context.Context, arg1 string, arg2 api.NetLimit) error {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "NetSetLimit", arg0, arg1, arg2)
-	ret0, _ := ret[0].(error)
-	return ret0
-}
-
-// NetSetLimit indicates an expected call of NetSetLimit.
-func (mr *MockFullNodeMockRecorder) NetSetLimit(arg0, arg1, arg2 interface{}) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "NetSetLimit", reflect.TypeOf((*MockFullNode)(nil).NetSetLimit), arg0, arg1, arg2)
-}
-
-// NetStat mocks base method.
-func (m *MockFullNode) NetStat(arg0 context.Context, arg1 string) (api.NetStat, error) {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "NetStat", arg0, arg1)
-	ret0, _ := ret[0].(api.NetStat)
-	ret1, _ := ret[1].(error)
-	return ret0, ret1
-}
-
-// NetStat indicates an expected call of NetStat.
-func (mr *MockFullNodeMockRecorder) NetStat(arg0, arg1 interface{}) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "NetStat", reflect.TypeOf((*MockFullNode)(nil).NetStat), arg0, arg1)
-}
-
 // NodeStatus mocks base method.
 func (m *MockFullNode) NodeStatus(arg0 context.Context, arg1 bool) (api.NodeStatus, error) {
 	m.ctrl.T.Helper()
@@ -587,23 +587,11 @@ type NetStruct struct {

 		NetFindPeer func(p0 context.Context, p1 peer.ID) (peer.AddrInfo, error) `perm:"read"`

-		NetLimit func(p0 context.Context, p1 string) (NetLimit, error) `perm:"read"`
-
 		NetPeerInfo func(p0 context.Context, p1 peer.ID) (*ExtendedPeerInfo, error) `perm:"read"`

 		NetPeers func(p0 context.Context) ([]peer.AddrInfo, error) `perm:"read"`

-		NetProtectAdd func(p0 context.Context, p1 []peer.ID) error `perm:"admin"`
-
-		NetProtectList func(p0 context.Context) ([]peer.ID, error) `perm:"read"`
-
-		NetProtectRemove func(p0 context.Context, p1 []peer.ID) error `perm:"admin"`
-
 		NetPubsubScores func(p0 context.Context) ([]PubsubScore, error) `perm:"read"`
-
-		NetSetLimit func(p0 context.Context, p1 string, p2 NetLimit) error `perm:"admin"`
-
-		NetStat func(p0 context.Context, p1 string) (NetStat, error) `perm:"read"`
 	}
 }

@@ -631,7 +619,7 @@ type StorageMinerStruct struct {

 		ActorSectorSize func(p0 context.Context, p1 address.Address) (abi.SectorSize, error) `perm:"read"`

-		CheckProvable func(p0 context.Context, p1 abi.RegisteredPoStProof, p2 []storage.SectorRef, p3 bool) (map[abi.SectorNumber]string, error) `perm:"admin"`
+		CheckProvable func(p0 context.Context, p1 abi.RegisteredPoStProof, p2 []storage.SectorRef, p3 []bool, p4 bool) (map[abi.SectorNumber]string, error) `perm:"admin"`

 		ComputeProof func(p0 context.Context, p1 []builtin.ExtendedSectorInfo, p2 abi.PoStRandomness, p3 abi.ChainEpoch, p4 abinetwork.Version) ([]builtin.PoStProof, error) `perm:"read"`

@@ -645,10 +633,6 @@ type StorageMinerStruct struct {

 		DagstoreListShards func(p0 context.Context) ([]DagstoreShardInfo, error) `perm:"read"`

-		DagstoreLookupPieces func(p0 context.Context, p1 cid.Cid) ([]DagstoreShardInfo, error) `perm:"admin"`
-
-		DagstorePieceIndexSize func(p0 context.Context) (int64, error) `perm:"admin"`
-
 		DagstoreRecoverShard func(p0 context.Context, p1 string) error `perm:"write"`

 		DealsConsiderOfflineRetrievalDeals func(p0 context.Context) (bool, error) `perm:"admin"`
@@ -683,10 +667,6 @@ type StorageMinerStruct struct {

 		DealsSetPieceCidBlocklist func(p0 context.Context, p1 []cid.Cid) error `perm:"admin"`

-		IndexerAnnounceAllDeals func(p0 context.Context) error `perm:"admin"`
-
-		IndexerAnnounceDeal func(p0 context.Context, p1 cid.Cid) error `perm:"admin"`
-
 		MarketCancelDataTransfer func(p0 context.Context, p1 datatransfer.TransferID, p2 peer.ID, p3 bool) error `perm:"write"`

 		MarketDataTransferDiagnostics func(p0 context.Context, p1 peer.ID) (*TransferDiagnostics, error) `perm:"write"`
@@ -737,6 +717,8 @@ type StorageMinerStruct struct {

 		ReturnFetch func(p0 context.Context, p1 storiface.CallID, p2 *storiface.CallError) error `perm:"admin"`

+		ReturnFinalizeReplicaUpdate func(p0 context.Context, p1 storiface.CallID, p2 *storiface.CallError) error `perm:"admin"`
+
 		ReturnFinalizeSector func(p0 context.Context, p1 storiface.CallID, p2 *storiface.CallError) error `perm:"admin"`

 		ReturnGenerateSectorKeyFromData func(p0 context.Context, p1 storiface.CallID, p2 *storiface.CallError) error `perm:"admin"`
@@ -769,6 +751,8 @@ type StorageMinerStruct struct {

 		SealingSchedDiag func(p0 context.Context, p1 bool) (interface{}, error) `perm:"admin"`

+		SectorAbortUpgrade func(p0 context.Context, p1 abi.SectorNumber) error `perm:"admin"`
+
 		SectorAddPieceToAny func(p0 context.Context, p1 abi.UnpaddedPieceSize, p2 storage.Data, p3 PieceDealInfo) (SectorOffset, error) `perm:"admin"`

 		SectorCommitFlush func(p0 context.Context) ([]sealiface.CommitBatchRes, error) `perm:"admin"`
@@ -886,6 +870,8 @@ type WorkerStruct struct {

 		Fetch func(p0 context.Context, p1 storage.SectorRef, p2 storiface.SectorFileType, p3 storiface.PathType, p4 storiface.AcquireMode) (storiface.CallID, error) `perm:"admin"`

+		FinalizeReplicaUpdate func(p0 context.Context, p1 storage.SectorRef, p2 []storage.Range) (storiface.CallID, error) `perm:"admin"`
+
 		FinalizeSector func(p0 context.Context, p1 storage.SectorRef, p2 []storage.Range) (storiface.CallID, error) `perm:"admin"`

 		GenerateSectorKeyFromData func(p0 context.Context, p1 storage.SectorRef, p2 cid.Cid) (storiface.CallID, error) `perm:"admin"`
@@ -3645,17 +3631,6 @@ func (s *NetStub) NetFindPeer(p0 context.Context, p1 peer.ID) (peer.AddrInfo, er
 	return *new(peer.AddrInfo), ErrNotSupported
 }

-func (s *NetStruct) NetLimit(p0 context.Context, p1 string) (NetLimit, error) {
-	if s.Internal.NetLimit == nil {
-		return *new(NetLimit), ErrNotSupported
-	}
-	return s.Internal.NetLimit(p0, p1)
-}
-
-func (s *NetStub) NetLimit(p0 context.Context, p1 string) (NetLimit, error) {
-	return *new(NetLimit), ErrNotSupported
-}
-
 func (s *NetStruct) NetPeerInfo(p0 context.Context, p1 peer.ID) (*ExtendedPeerInfo, error) {
 	if s.Internal.NetPeerInfo == nil {
 		return nil, ErrNotSupported
@@ -3678,39 +3653,6 @@ func (s *NetStub) NetPeers(p0 context.Context) ([]peer.AddrInfo, error) {
 	return *new([]peer.AddrInfo), ErrNotSupported
 }

-func (s *NetStruct) NetProtectAdd(p0 context.Context, p1 []peer.ID) error {
-	if s.Internal.NetProtectAdd == nil {
-		return ErrNotSupported
-	}
-	return s.Internal.NetProtectAdd(p0, p1)
-}
-
-func (s *NetStub) NetProtectAdd(p0 context.Context, p1 []peer.ID) error {
-	return ErrNotSupported
-}
-
-func (s *NetStruct) NetProtectList(p0 context.Context) ([]peer.ID, error) {
-	if s.Internal.NetProtectList == nil {
-		return *new([]peer.ID), ErrNotSupported
-	}
-	return s.Internal.NetProtectList(p0)
-}
-
-func (s *NetStub) NetProtectList(p0 context.Context) ([]peer.ID, error) {
-	return *new([]peer.ID), ErrNotSupported
-}
-
-func (s *NetStruct) NetProtectRemove(p0 context.Context, p1 []peer.ID) error {
-	if s.Internal.NetProtectRemove == nil {
-		return ErrNotSupported
-	}
-	return s.Internal.NetProtectRemove(p0, p1)
-}
-
-func (s *NetStub) NetProtectRemove(p0 context.Context, p1 []peer.ID) error {
-	return ErrNotSupported
-}
-
 func (s *NetStruct) NetPubsubScores(p0 context.Context) ([]PubsubScore, error) {
 	if s.Internal.NetPubsubScores == nil {
 		return *new([]PubsubScore), ErrNotSupported
@@ -3722,28 +3664,6 @@ func (s *NetStub) NetPubsubScores(p0 context.Context) ([]PubsubScore, error) {
 	return *new([]PubsubScore), ErrNotSupported
 }

-func (s *NetStruct) NetSetLimit(p0 context.Context, p1 string, p2 NetLimit) error {
-	if s.Internal.NetSetLimit == nil {
-		return ErrNotSupported
-	}
-	return s.Internal.NetSetLimit(p0, p1, p2)
-}
-
-func (s *NetStub) NetSetLimit(p0 context.Context, p1 string, p2 NetLimit) error {
-	return ErrNotSupported
-}
-
-func (s *NetStruct) NetStat(p0 context.Context, p1 string) (NetStat, error) {
-	if s.Internal.NetStat == nil {
-		return *new(NetStat), ErrNotSupported
-	}
-	return s.Internal.NetStat(p0, p1)
-}
-
-func (s *NetStub) NetStat(p0 context.Context, p1 string) (NetStat, error) {
-	return *new(NetStat), ErrNotSupported
-}
-
 func (s *SignableStruct) Sign(p0 context.Context, p1 SignFunc) error {
 	if s.Internal.Sign == nil {
 		return ErrNotSupported
@@ -3788,14 +3708,14 @@ func (s *StorageMinerStub) ActorSectorSize(p0 context.Context, p1 address.Addres
 	return *new(abi.SectorSize), ErrNotSupported
 }

-func (s *StorageMinerStruct) CheckProvable(p0 context.Context, p1 abi.RegisteredPoStProof, p2 []storage.SectorRef, p3 bool) (map[abi.SectorNumber]string, error) {
+func (s *StorageMinerStruct) CheckProvable(p0 context.Context, p1 abi.RegisteredPoStProof, p2 []storage.SectorRef, p3 []bool, p4 bool) (map[abi.SectorNumber]string, error) {
 	if s.Internal.CheckProvable == nil {
 		return *new(map[abi.SectorNumber]string), ErrNotSupported
 	}
-	return s.Internal.CheckProvable(p0, p1, p2, p3)
+	return s.Internal.CheckProvable(p0, p1, p2, p3, p4)
 }

-func (s *StorageMinerStub) CheckProvable(p0 context.Context, p1 abi.RegisteredPoStProof, p2 []storage.SectorRef, p3 bool) (map[abi.SectorNumber]string, error) {
+func (s *StorageMinerStub) CheckProvable(p0 context.Context, p1 abi.RegisteredPoStProof, p2 []storage.SectorRef, p3 []bool, p4 bool) (map[abi.SectorNumber]string, error) {
 	return *new(map[abi.SectorNumber]string), ErrNotSupported
 }

@@ -3865,28 +3785,6 @@ func (s *StorageMinerStub) DagstoreListShards(p0 context.Context) ([]DagstoreSha
 	return *new([]DagstoreShardInfo), ErrNotSupported
 }

-func (s *StorageMinerStruct) DagstoreLookupPieces(p0 context.Context, p1 cid.Cid) ([]DagstoreShardInfo, error) {
-	if s.Internal.DagstoreLookupPieces == nil {
-		return *new([]DagstoreShardInfo), ErrNotSupported
-	}
-	return s.Internal.DagstoreLookupPieces(p0, p1)
-}
-
-func (s *StorageMinerStub) DagstoreLookupPieces(p0 context.Context, p1 cid.Cid) ([]DagstoreShardInfo, error) {
-	return *new([]DagstoreShardInfo), ErrNotSupported
-}
-
-func (s *StorageMinerStruct) DagstorePieceIndexSize(p0 context.Context) (int64, error) {
-	if s.Internal.DagstorePieceIndexSize == nil {
-		return 0, ErrNotSupported
-	}
-	return s.Internal.DagstorePieceIndexSize(p0)
-}
-
-func (s *StorageMinerStub) DagstorePieceIndexSize(p0 context.Context) (int64, error) {
-	return 0, ErrNotSupported
-}
-
 func (s *StorageMinerStruct) DagstoreRecoverShard(p0 context.Context, p1 string) error {
 	if s.Internal.DagstoreRecoverShard == nil {
 		return ErrNotSupported
@@ -4074,28 +3972,6 @@ func (s *StorageMinerStub) DealsSetPieceCidBlocklist(p0 context.Context, p1 []ci
 	return ErrNotSupported
 }

-func (s *StorageMinerStruct) IndexerAnnounceAllDeals(p0 context.Context) error {
-	if s.Internal.IndexerAnnounceAllDeals == nil {
-		return ErrNotSupported
-	}
-	return s.Internal.IndexerAnnounceAllDeals(p0)
-}
-
-func (s *StorageMinerStub) IndexerAnnounceAllDeals(p0 context.Context) error {
-	return ErrNotSupported
-}
-
-func (s *StorageMinerStruct) IndexerAnnounceDeal(p0 context.Context, p1 cid.Cid) error {
-	if s.Internal.IndexerAnnounceDeal == nil {
-		return ErrNotSupported
-	}
-	return s.Internal.IndexerAnnounceDeal(p0, p1)
-}
-
-func (s *StorageMinerStub) IndexerAnnounceDeal(p0 context.Context, p1 cid.Cid) error {
-	return ErrNotSupported
-}
-
 func (s *StorageMinerStruct) MarketCancelDataTransfer(p0 context.Context, p1 datatransfer.TransferID, p2 peer.ID, p3 bool) error {
 	if s.Internal.MarketCancelDataTransfer == nil {
 		return ErrNotSupported
@@ -4371,6 +4247,17 @@ func (s *StorageMinerStub) ReturnFetch(p0 context.Context, p1 storiface.CallID,
 	return ErrNotSupported
 }

+func (s *StorageMinerStruct) ReturnFinalizeReplicaUpdate(p0 context.Context, p1 storiface.CallID, p2 *storiface.CallError) error {
+	if s.Internal.ReturnFinalizeReplicaUpdate == nil {
+		return ErrNotSupported
+	}
+	return s.Internal.ReturnFinalizeReplicaUpdate(p0, p1, p2)
+}
+
+func (s *StorageMinerStub) ReturnFinalizeReplicaUpdate(p0 context.Context, p1 storiface.CallID, p2 *storiface.CallError) error {
+	return ErrNotSupported
+}
+
 func (s *StorageMinerStruct) ReturnFinalizeSector(p0 context.Context, p1 storiface.CallID, p2 *storiface.CallError) error {
 	if s.Internal.ReturnFinalizeSector == nil {
 		return ErrNotSupported
@@ -4547,6 +4434,17 @@ func (s *StorageMinerStub) SealingSchedDiag(p0 context.Context, p1 bool) (interf
 	return nil, ErrNotSupported
 }

+func (s *StorageMinerStruct) SectorAbortUpgrade(p0 context.Context, p1 abi.SectorNumber) error {
+	if s.Internal.SectorAbortUpgrade == nil {
+		return ErrNotSupported
+	}
+	return s.Internal.SectorAbortUpgrade(p0, p1)
+}
+
+func (s *StorageMinerStub) SectorAbortUpgrade(p0 context.Context, p1 abi.SectorNumber) error {
+	return ErrNotSupported
+}
+
 func (s *StorageMinerStruct) SectorAddPieceToAny(p0 context.Context, p1 abi.UnpaddedPieceSize, p2 storage.Data, p3 PieceDealInfo) (SectorOffset, error) {
 	if s.Internal.SectorAddPieceToAny == nil {
 		return *new(SectorOffset), ErrNotSupported
@@ -5097,6 +4995,17 @@ func (s *WorkerStub) Fetch(p0 context.Context, p1 storage.SectorRef, p2 storifac
 	return *new(storiface.CallID), ErrNotSupported
 }

+func (s *WorkerStruct) FinalizeReplicaUpdate(p0 context.Context, p1 storage.SectorRef, p2 []storage.Range) (storiface.CallID, error) {
+	if s.Internal.FinalizeReplicaUpdate == nil {
+		return *new(storiface.CallID), ErrNotSupported
+	}
+	return s.Internal.FinalizeReplicaUpdate(p0, p1, p2)
+}
+
+func (s *WorkerStub) FinalizeReplicaUpdate(p0 context.Context, p1 storage.SectorRef, p2 []storage.Range) (storiface.CallID, error) {
+	return *new(storiface.CallID), ErrNotSupported
+}
+
 func (s *WorkerStruct) FinalizeSector(p0 context.Context, p1 storage.SectorRef, p2 []storage.Range) (storiface.CallID, error) {
 	if s.Internal.FinalizeSector == nil {
 		return *new(storiface.CallID), ErrNotSupported
@@ -12,7 +12,6 @@ import (
 	"github.com/ipfs/go-cid"
 	"github.com/ipfs/go-graphsync"

-	"github.com/libp2p/go-libp2p-core/network"
 	"github.com/libp2p/go-libp2p-core/peer"
 	pubsub "github.com/libp2p/go-libp2p-pubsub"
 	ma "github.com/multiformats/go-multiaddr"
@@ -130,28 +129,6 @@ type NetBlockList struct {
 	IPSubnets []string
 }

-type NetStat struct {
-	System    *network.ScopeStat           `json:",omitempty"`
-	Transient *network.ScopeStat           `json:",omitempty"`
-	Services  map[string]network.ScopeStat `json:",omitempty"`
-	Protocols map[string]network.ScopeStat `json:",omitempty"`
-	Peers     map[string]network.ScopeStat `json:",omitempty"`
-}
-
-type NetLimit struct {
-	Dynamic bool `json:",omitempty"`
-	// set if Dynamic is false
-	Memory int64 `json:",omitempty"`
-	// set if Dynamic is true
-	MemoryFraction float64 `json:",omitempty"`
-	MinMemory      int64   `json:",omitempty"`
-	MaxMemory      int64   `json:",omitempty"`
-
-	Streams, StreamsInbound, StreamsOutbound int
-	Conns, ConnsInbound, ConnsOutbound       int
-	FD                                       int
-}
-
 type ExtendedPeerInfo struct {
 	ID          peer.ID
 	Agent       string
@@ -1724,21 +1724,6 @@ func (mr *MockFullNodeMockRecorder) NetFindPeer(arg0, arg1 interface{}) *gomock.
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "NetFindPeer", reflect.TypeOf((*MockFullNode)(nil).NetFindPeer), arg0, arg1)
 }

-// NetLimit mocks base method.
-func (m *MockFullNode) NetLimit(arg0 context.Context, arg1 string) (api.NetLimit, error) {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "NetLimit", arg0, arg1)
-	ret0, _ := ret[0].(api.NetLimit)
-	ret1, _ := ret[1].(error)
-	return ret0, ret1
-}
-
-// NetLimit indicates an expected call of NetLimit.
-func (mr *MockFullNodeMockRecorder) NetLimit(arg0, arg1 interface{}) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "NetLimit", reflect.TypeOf((*MockFullNode)(nil).NetLimit), arg0, arg1)
-}
-
 // NetPeerInfo mocks base method.
 func (m *MockFullNode) NetPeerInfo(arg0 context.Context, arg1 peer.ID) (*api.ExtendedPeerInfo, error) {
 	m.ctrl.T.Helper()
@@ -1769,49 +1754,6 @@ func (mr *MockFullNodeMockRecorder) NetPeers(arg0 interface{}) *gomock.Call {
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "NetPeers", reflect.TypeOf((*MockFullNode)(nil).NetPeers), arg0)
 }

-// NetProtectAdd mocks base method.
-func (m *MockFullNode) NetProtectAdd(arg0 context.Context, arg1 []peer.ID) error {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "NetProtectAdd", arg0, arg1)
-	ret0, _ := ret[0].(error)
-	return ret0
-}
-
-// NetProtectAdd indicates an expected call of NetProtectAdd.
-func (mr *MockFullNodeMockRecorder) NetProtectAdd(arg0, arg1 interface{}) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "NetProtectAdd", reflect.TypeOf((*MockFullNode)(nil).NetProtectAdd), arg0, arg1)
-}
-
-// NetProtectList mocks base method.
-func (m *MockFullNode) NetProtectList(arg0 context.Context) ([]peer.ID, error) {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "NetProtectList", arg0)
-	ret0, _ := ret[0].([]peer.ID)
-	ret1, _ := ret[1].(error)
-	return ret0, ret1
-}
-
-// NetProtectList indicates an expected call of NetProtectList.
-func (mr *MockFullNodeMockRecorder) NetProtectList(arg0 interface{}) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "NetProtectList", reflect.TypeOf((*MockFullNode)(nil).NetProtectList), arg0)
-}
-
-// NetProtectRemove mocks base method.
-func (m *MockFullNode) NetProtectRemove(arg0 context.Context, arg1 []peer.ID) error {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "NetProtectRemove", arg0, arg1)
-	ret0, _ := ret[0].(error)
-	return ret0
-}
-
-// NetProtectRemove indicates an expected call of NetProtectRemove.
-func (mr *MockFullNodeMockRecorder) NetProtectRemove(arg0, arg1 interface{}) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "NetProtectRemove", reflect.TypeOf((*MockFullNode)(nil).NetProtectRemove), arg0, arg1)
-}
-
 // NetPubsubScores mocks base method.
 func (m *MockFullNode) NetPubsubScores(arg0 context.Context) ([]api.PubsubScore, error) {
 	m.ctrl.T.Helper()
@@ -1827,35 +1769,6 @@ func (mr *MockFullNodeMockRecorder) NetPubsubScores(arg0 interface{}) *gomock.Ca
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "NetPubsubScores", reflect.TypeOf((*MockFullNode)(nil).NetPubsubScores), arg0)
 }

-// NetSetLimit mocks base method.
-func (m *MockFullNode) NetSetLimit(arg0 context.Context, arg1 string, arg2 api.NetLimit) error {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "NetSetLimit", arg0, arg1, arg2)
-	ret0, _ := ret[0].(error)
-	return ret0
-}
-
-// NetSetLimit indicates an expected call of NetSetLimit.
-func (mr *MockFullNodeMockRecorder) NetSetLimit(arg0, arg1, arg2 interface{}) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "NetSetLimit", reflect.TypeOf((*MockFullNode)(nil).NetSetLimit), arg0, arg1, arg2)
-}
-
-// NetStat mocks base method.
-func (m *MockFullNode) NetStat(arg0 context.Context, arg1 string) (api.NetStat, error) {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "NetStat", arg0, arg1)
-	ret0, _ := ret[0].(api.NetStat)
-	ret1, _ := ret[1].(error)
-	return ret0, ret1
-}
-
-// NetStat indicates an expected call of NetStat.
-func (mr *MockFullNodeMockRecorder) NetStat(arg0, arg1 interface{}) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "NetStat", reflect.TypeOf((*MockFullNode)(nil).NetStat), arg0, arg1)
-}
-
 // PaychAllocateLane mocks base method.
 func (m *MockFullNode) PaychAllocateLane(arg0 context.Context, arg1 address.Address) (uint64, error) {
 	m.ctrl.T.Helper()
@@ -57,7 +57,7 @@ var (
 	FullAPIVersion0 = newVer(1, 5, 0)
 	FullAPIVersion1 = newVer(2, 2, 0)

-	MinerAPIVersion0  = newVer(1, 3, 0)
+	MinerAPIVersion0  = newVer(1, 4, 0)
 	WorkerAPIVersion0 = newVer(1, 5, 0)
 )

@@ -49,10 +49,11 @@ These are options in the `[Chainstore.Splitstore]` section of the configuration:
  blockstore and discards writes; this is necessary to support syncing from a snapshot.
 - `MarkSetType` -- specifies the type of markset to use during compaction.
  The markset is the data structure used by compaction/gc to track live objects.
-  The default value is `"map"`, which will use an in-memory map; if you are limited
-  in memory (or indeed see compaction run out of memory), you can also specify
-  `"badger"` which will use an disk backed markset, using badger. This will use
-  much less memory, but will also make compaction slower.
+  The default value is "badger", which will use a disk backed markset using badger.
+  If you have a lot of memory (48G or more) you can also use "map", which will use
+  an in memory markset, speeding up compaction at the cost of higher memory usage.
+  Note: If you are using a VPS with a network volume, you need to provision at least
+  3000 IOPs with the badger markset.
 - `HotStoreMessageRetention` -- specifies how many finalities, beyond the 4
  finalities maintained by default, to maintain messages and message receipts in the
  hotstore. This is useful for assistive nodes that want to support syncing for other
@@ -105,6 +106,12 @@ Compaction works transactionally with the following algorithm:
  - We delete in small batches taking a lock; each batch is checked again for marks, from the concurrent transactional mark, so as to never delete anything live
 - We then end the transaction and compact/gc the hotstore.

+As of [#8008](https://github.com/filecoin-project/lotus/pull/8008) the compaction algorithm has been
+modified to eliminate sorting and maintain the cold object set on disk. This drastically reduces
+memory usage; in fact, when using badger as the markset compaction uses very little memory, and
+it should be now possible to run splitstore with 32GB of RAM or less without danger of running out of
+memory during compaction.
+
 ## Garbage Collection

 TBD -- see [#6577](https://github.com/filecoin-project/lotus/issues/6577)
@@ -0,0 +1,118 @@
+package splitstore
+
+import (
+	"bufio"
+	"io"
+	"os"
+
+	"golang.org/x/xerrors"
+
+	cid "github.com/ipfs/go-cid"
+	mh "github.com/multiformats/go-multihash"
+)
+
+type Checkpoint struct {
+	file *os.File
+	buf  *bufio.Writer
+}
+
+func NewCheckpoint(path string) (*Checkpoint, error) {
+	file, err := os.OpenFile(path, os.O_CREATE|os.O_TRUNC|os.O_WRONLY|os.O_SYNC, 0644)
+	if err != nil {
+		return nil, xerrors.Errorf("error creating checkpoint: %w", err)
+	}
+	buf := bufio.NewWriter(file)
+
+	return &Checkpoint{
+		file: file,
+		buf:  buf,
+	}, nil
+}
+
+func OpenCheckpoint(path string) (*Checkpoint, cid.Cid, error) {
+	filein, err := os.Open(path)
+	if err != nil {
+		return nil, cid.Undef, xerrors.Errorf("error opening checkpoint for reading: %w", err)
+	}
+	defer filein.Close() //nolint:errcheck
+
+	bufin := bufio.NewReader(filein)
+	start, err := readRawCid(bufin, nil)
+	if err != nil && err != io.EOF {
+		return nil, cid.Undef, xerrors.Errorf("error reading cid from checkpoint: %w", err)
+	}
+
+	fileout, err := os.OpenFile(path, os.O_WRONLY|os.O_SYNC, 0644)
+	if err != nil {
+		return nil, cid.Undef, xerrors.Errorf("error opening checkpoint for writing: %w", err)
+	}
+	bufout := bufio.NewWriter(fileout)
+
+	return &Checkpoint{
+		file: fileout,
+		buf:  bufout,
+	}, start, nil
+}
+
+func (cp *Checkpoint) Set(c cid.Cid) error {
+	if _, err := cp.file.Seek(0, io.SeekStart); err != nil {
+		return xerrors.Errorf("error seeking beginning of checkpoint: %w", err)
+	}
+
+	if err := writeRawCid(cp.buf, c, true); err != nil {
+		return xerrors.Errorf("error writing cid to checkpoint: %w", err)
+	}
+
+	return nil
+}
+
+func (cp *Checkpoint) Close() error {
+	if cp.file == nil {
+		return nil
+	}
+
+	err := cp.file.Close()
+	cp.file = nil
+	cp.buf = nil
+
+	return err
+}
+
+func readRawCid(buf *bufio.Reader, hbuf []byte) (cid.Cid, error) {
+	sz, err := buf.ReadByte()
+	if err != nil {
+		return cid.Undef, err // don't wrap EOF as it is not an error here
+	}
+
+	if hbuf == nil {
+		hbuf = make([]byte, int(sz))
+	} else {
+		hbuf = hbuf[:int(sz)]
+	}
+
+	if _, err := io.ReadFull(buf, hbuf); err != nil {
+		return cid.Undef, xerrors.Errorf("error reading hash: %w", err) // wrap EOF, it's corrupt
+	}
+
+	hash, err := mh.Cast(hbuf)
+	if err != nil {
+		return cid.Undef, xerrors.Errorf("error casting multihash: %w", err)
+	}
+
+	return cid.NewCidV1(cid.Raw, hash), nil
+}
+
+func writeRawCid(buf *bufio.Writer, c cid.Cid, flush bool) error {
+	hash := c.Hash()
+	if err := buf.WriteByte(byte(len(hash))); err != nil {
+		return err
+	}
+	if _, err := buf.Write(hash); err != nil {
+		return err
+	}
+	if flush {
+		return buf.Flush()
+	}
+
+	return nil
+}
@@ -0,0 +1,147 @@
+package splitstore
+
+import (
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/ipfs/go-cid"
+	"github.com/multiformats/go-multihash"
+)
+
+func TestCheckpoint(t *testing.T) {
+	dir, err := ioutil.TempDir("", "checkpoint.*")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	t.Cleanup(func() {
+		_ = os.RemoveAll(dir)
+	})
+
+	path := filepath.Join(dir, "checkpoint")
+
+	makeCid := func(key string) cid.Cid {
+		h, err := multihash.Sum([]byte(key), multihash.SHA2_256, -1)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		return cid.NewCidV1(cid.Raw, h)
+	}
+
+	k1 := makeCid("a")
+	k2 := makeCid("b")
+	k3 := makeCid("c")
+	k4 := makeCid("d")
+
+	cp, err := NewCheckpoint(path)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if err := cp.Set(k1); err != nil {
+		t.Fatal(err)
+	}
+	if err := cp.Set(k2); err != nil {
+		t.Fatal(err)
+	}
+
+	if err := cp.Close(); err != nil {
+		t.Fatal(err)
+	}
+
+	cp, start, err := OpenCheckpoint(path)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if !start.Equals(k2) {
+		t.Fatalf("expected start to be %s; got %s", k2, start)
+	}
+
+	if err := cp.Set(k3); err != nil {
+		t.Fatal(err)
+	}
+	if err := cp.Set(k4); err != nil {
+		t.Fatal(err)
+	}
+
+	if err := cp.Close(); err != nil {
+		t.Fatal(err)
+	}
+
+	cp, start, err = OpenCheckpoint(path)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if !start.Equals(k4) {
+		t.Fatalf("expected start to be %s; got %s", k4, start)
+	}
+
+	if err := cp.Close(); err != nil {
+		t.Fatal(err)
+	}
+
+	// also test correct operation with an empty checkpoint
+	cp, err = NewCheckpoint(path)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if err := cp.Close(); err != nil {
+		t.Fatal(err)
+	}
+
+	cp, start, err = OpenCheckpoint(path)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if start.Defined() {
+		t.Fatal("expected start to be undefined")
+	}
+
+	if err := cp.Set(k1); err != nil {
+		t.Fatal(err)
+	}
+	if err := cp.Set(k2); err != nil {
+		t.Fatal(err)
+	}
+
+	if err := cp.Close(); err != nil {
+		t.Fatal(err)
+	}
+
+	cp, start, err = OpenCheckpoint(path)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if !start.Equals(k2) {
+		t.Fatalf("expected start to be %s; got %s", k2, start)
+	}
+
+	if err := cp.Set(k3); err != nil {
+		t.Fatal(err)
+	}
+	if err := cp.Set(k4); err != nil {
+		t.Fatal(err)
+	}
+
+	if err := cp.Close(); err != nil {
+		t.Fatal(err)
+	}
+
+	cp, start, err = OpenCheckpoint(path)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if !start.Equals(k4) {
+		t.Fatalf("expected start to be %s; got %s", k4, start)
+	}
+
+	if err := cp.Close(); err != nil {
+		t.Fatal(err)
+	}
+
+}
@@ -0,0 +1,102 @@
+package splitstore
+
+import (
+	"bufio"
+	"io"
+	"os"
+
+	"golang.org/x/xerrors"
+
+	cid "github.com/ipfs/go-cid"
+)
+
+type ColdSetWriter struct {
+	file *os.File
+	buf  *bufio.Writer
+}
+
+type ColdSetReader struct {
+	file *os.File
+	buf  *bufio.Reader
+}
+
+func NewColdSetWriter(path string) (*ColdSetWriter, error) {
+	file, err := os.OpenFile(path, os.O_CREATE|os.O_TRUNC|os.O_WRONLY, 0644)
+	if err != nil {
+		return nil, xerrors.Errorf("error creating coldset: %w", err)
+	}
+	buf := bufio.NewWriter(file)
+
+	return &ColdSetWriter{
+		file: file,
+		buf:  buf,
+	}, nil
+}
+
+func NewColdSetReader(path string) (*ColdSetReader, error) {
+	file, err := os.Open(path)
+	if err != nil {
+		return nil, xerrors.Errorf("error opening coldset: %w", err)
+	}
+	buf := bufio.NewReader(file)
+
+	return &ColdSetReader{
+		file: file,
+		buf:  buf,
+	}, nil
+}
+
+func (s *ColdSetWriter) Write(c cid.Cid) error {
+	return writeRawCid(s.buf, c, false)
+}
+
+func (s *ColdSetWriter) Close() error {
+	if s.file == nil {
+		return nil
+	}
+
+	err1 := s.buf.Flush()
+	err2 := s.file.Close()
+	s.buf = nil
+	s.file = nil
+
+	if err1 != nil {
+		return err1
+	}
+	return err2
+}
+
+func (s *ColdSetReader) ForEach(f func(cid.Cid) error) error {
+	hbuf := make([]byte, 256)
+	for {
+		next, err := readRawCid(s.buf, hbuf)
+		if err != nil {
+			if err == io.EOF {
+				return nil
+			}
+
+			return xerrors.Errorf("error reading coldset: %w", err)
+		}
+
+		if err := f(next); err != nil {
+			return err
+		}
+	}
+}
+
+func (s *ColdSetReader) Reset() error {
+	_, err := s.file.Seek(0, io.SeekStart)
+	return err
+}
+
+func (s *ColdSetReader) Close() error {
+	if s.file == nil {
+		return nil
+	}
+
+	err := s.file.Close()
+	s.file = nil
+	s.buf = nil
+
+	return err
+}
@@ -0,0 +1,99 @@
+package splitstore
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/ipfs/go-cid"
+	"github.com/multiformats/go-multihash"
+)
+
+func TestColdSet(t *testing.T) {
+	dir, err := ioutil.TempDir("", "coldset.*")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	t.Cleanup(func() {
+		_ = os.RemoveAll(dir)
+	})
+
+	path := filepath.Join(dir, "coldset")
+
+	makeCid := func(i int) cid.Cid {
+		h, err := multihash.Sum([]byte(fmt.Sprintf("cid.%d", i)), multihash.SHA2_256, -1)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		return cid.NewCidV1(cid.Raw, h)
+	}
+
+	const count = 1000
+	cids := make([]cid.Cid, 0, count)
+	for i := 0; i < count; i++ {
+		cids = append(cids, makeCid(i))
+	}
+
+	cw, err := NewColdSetWriter(path)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	for _, c := range cids {
+		if err := cw.Write(c); err != nil {
+			t.Fatal(err)
+		}
+	}
+
+	if err := cw.Close(); err != nil {
+		t.Fatal(err)
+	}
+
+	cr, err := NewColdSetReader(path)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	index := 0
+	err = cr.ForEach(func(c cid.Cid) error {
+		if index >= count {
+			t.Fatal("too many cids")
+		}
+
+		if !c.Equals(cids[index]) {
+			t.Fatalf("wrong cid %d; expected %s but got %s", index, cids[index], c)
+		}
+
+		index++
+		return nil
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if err := cr.Reset(); err != nil {
+		t.Fatal(err)
+	}
+
+	index = 0
+	err = cr.ForEach(func(c cid.Cid) error {
+		if index >= count {
+			t.Fatal("too many cids")
+		}
+
+		if !c.Equals(cids[index]) {
+			t.Fatalf("wrong cid; expected %s but got %s", cids[index], c)
+		}
+
+		index++
+		return nil
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+}
@@ -14,15 +14,24 @@ var errMarkSetClosed = errors.New("markset closed")
 type MarkSet interface {
 	ObjectVisitor
 	Mark(cid.Cid) error
+	MarkMany([]cid.Cid) error
 	Has(cid.Cid) (bool, error)
 	Close() error
+
+	// BeginCriticalSection ensures that the markset is persisted to disk for recovery in case
+	// of abnormal termination during the critical section span.
+	BeginCriticalSection() error
+	// EndCriticalSection ends the critical section span.
+	EndCriticalSection()
 }

 type MarkSetEnv interface {
-	// Create creates a new markset within the environment.
-	// name is a unique name for this markset, mapped to the filesystem in disk-backed environments
+	// New creates a new markset within the environment.
+	// name is a unique name for this markset, mapped to the filesystem for on-disk persistence.
 	// sizeHint is a hint about the expected size of the markset
-	Create(name string, sizeHint int64) (MarkSet, error)
+	New(name string, sizeHint int64) (MarkSet, error)
+	// Recover recovers an existing markset persisted on-disk.
+	Recover(name string) (MarkSet, error)
 	// Close closes the markset
 	Close() error
 }
@@ -30,7 +39,7 @@ type MarkSetEnv interface {
 func OpenMarkSetEnv(path string, mtype string) (MarkSetEnv, error) {
 	switch mtype {
 	case "map":
-		return NewMapMarkSetEnv()
+		return NewMapMarkSetEnv(path)
 	case "badger":
 		return NewBadgerMarkSetEnv(path)
 	default:
@@ -3,6 +3,7 @@ package splitstore
 import (
 	"os"
 	"path/filepath"
+	"runtime"
 	"sync"

 	"golang.org/x/xerrors"
@@ -28,6 +29,7 @@ type BadgerMarkSet struct {
 	writers int
 	seqno   int
 	version int
+	persist bool

 	db   *badger.DB
 	path string
@@ -47,11 +49,10 @@ func NewBadgerMarkSetEnv(path string) (MarkSetEnv, error) {
 	return &BadgerMarkSetEnv{path: msPath}, nil
 }

-func (e *BadgerMarkSetEnv) Create(name string, sizeHint int64) (MarkSet, error) {
-	name += ".tmp"
+func (e *BadgerMarkSetEnv) New(name string, sizeHint int64) (MarkSet, error) {
 	path := filepath.Join(e.path, name)

-	db, err := openTransientBadgerDB(path)
+	db, err := openBadgerDB(path, false)
 	if err != nil {
 		return nil, xerrors.Errorf("error creating badger db: %w", err)
 	}
@@ -67,8 +68,72 @@ func (e *BadgerMarkSetEnv) Create(name string, sizeHint int64) (MarkSet, error)
 	return ms, nil
 }

+func (e *BadgerMarkSetEnv) Recover(name string) (MarkSet, error) {
+	path := filepath.Join(e.path, name)
+
+	if _, err := os.Stat(path); err != nil {
+		return nil, xerrors.Errorf("error stating badger db path: %w", err)
+	}
+
+	db, err := openBadgerDB(path, true)
+	if err != nil {
+		return nil, xerrors.Errorf("error creating badger db: %w", err)
+	}
+
+	ms := &BadgerMarkSet{
+		pend:    make(map[string]struct{}),
+		writing: make(map[int]map[string]struct{}),
+		db:      db,
+		path:    path,
+		persist: true,
+	}
+	ms.cond.L = &ms.mx
+
+	return ms, nil
+}
+
 func (e *BadgerMarkSetEnv) Close() error {
-	return os.RemoveAll(e.path)
+	return nil
+}
+
+func (s *BadgerMarkSet) BeginCriticalSection() error {
+	s.mx.Lock()
+
+	if s.persist {
+		s.mx.Unlock()
+		return nil
+	}
+
+	var write bool
+	var seqno int
+	if len(s.pend) > 0 {
+		write = true
+		seqno = s.nextBatch()
+	}
+
+	s.persist = true
+	s.mx.Unlock()
+
+	if write {
+		// all writes sync once perist is true
+		return s.write(seqno)
+	}
+
+	// wait for any pending writes and sync
+	s.mx.Lock()
+	for s.writers > 0 {
+		s.cond.Wait()
+	}
+	s.mx.Unlock()
+
+	return s.db.Sync()
+}
+
+func (s *BadgerMarkSet) EndCriticalSection() {
+	s.mx.Lock()
+	defer s.mx.Unlock()
+
+	s.persist = false
 }

 func (s *BadgerMarkSet) Mark(c cid.Cid) error {
@@ -88,6 +153,23 @@ func (s *BadgerMarkSet) Mark(c cid.Cid) error {
 	return nil
 }

+func (s *BadgerMarkSet) MarkMany(batch []cid.Cid) error {
+	s.mx.Lock()
+	if s.pend == nil {
+		s.mx.Unlock()
+		return errMarkSetClosed
+	}
+
+	write, seqno := s.putMany(batch)
+	s.mx.Unlock()
+
+	if write {
+		return s.write(seqno)
+	}
+
+	return nil
+}
+
 func (s *BadgerMarkSet) Has(c cid.Cid) (bool, error) {
 	s.mx.RLock()
 	defer s.mx.RUnlock()
@@ -193,16 +275,34 @@ func (s *BadgerMarkSet) tryDB(key []byte) (has bool, err error) {
 // writer holds the exclusive lock
 func (s *BadgerMarkSet) put(key string) (write bool, seqno int) {
 	s.pend[key] = struct{}{}
-	if len(s.pend) < badgerMarkSetBatchSize {
+	if !s.persist && len(s.pend) < badgerMarkSetBatchSize {
 		return false, 0
 	}

-	seqno = s.seqno
+	seqno = s.nextBatch()
+	return true, seqno
+}
+
+func (s *BadgerMarkSet) putMany(batch []cid.Cid) (write bool, seqno int) {
+	for _, c := range batch {
+		key := string(c.Hash())
+		s.pend[key] = struct{}{}
+	}
+
+	if !s.persist && len(s.pend) < badgerMarkSetBatchSize {
+		return false, 0
+	}
+
+	seqno = s.nextBatch()
+	return true, seqno
+}
+
+func (s *BadgerMarkSet) nextBatch() int {
+	seqno := s.seqno
 	s.seqno++
 	s.writing[seqno] = s.pend
 	s.pend = make(map[string]struct{})
-
-	return true, seqno
+	return seqno
 }

 func (s *BadgerMarkSet) write(seqno int) (err error) {
@@ -247,6 +347,14 @@ func (s *BadgerMarkSet) write(seqno int) (err error) {
 		return xerrors.Errorf("error flushing batch to badger markset: %w", err)
 	}

+	s.mx.RLock()
+	persist := s.persist
+	s.mx.RUnlock()
+
+	if persist {
+		return s.db.Sync()
+	}
+
 	return nil
 }

@@ -266,26 +374,29 @@ func (s *BadgerMarkSet) Close() error {
 	db := s.db
 	s.db = nil

-	return closeTransientBadgerDB(db, s.path)
+	return closeBadgerDB(db, s.path, s.persist)
 }

-func (s *BadgerMarkSet) SetConcurrent() {}
+func openBadgerDB(path string, recover bool) (*badger.DB, error) {
+	// if it is not a recovery, clean up first
+	if !recover {
+		err := os.RemoveAll(path)
+		if err != nil {
+			return nil, xerrors.Errorf("error clearing markset directory: %w", err)
+		}

-func openTransientBadgerDB(path string) (*badger.DB, error) {
-	// clean up first
-	err := os.RemoveAll(path)
-	if err != nil {
-		return nil, xerrors.Errorf("error clearing markset directory: %w", err)
-	}
-
-	err = os.MkdirAll(path, 0755) //nolint:gosec
-	if err != nil {
-		return nil, xerrors.Errorf("error creating markset directory: %w", err)
+		err = os.MkdirAll(path, 0755) //nolint:gosec
+		if err != nil {
+			return nil, xerrors.Errorf("error creating markset directory: %w", err)
+		}
 	}

 	opts := badger.DefaultOptions(path)
+	// we manually sync when we are in critical section
 	opts.SyncWrites = false
+	// no need to do that
 	opts.CompactL0OnClose = false
+	// we store hashes, not much to gain by compression
 	opts.Compression = options.None
 	// Note: We use FileIO for loading modes to avoid memory thrashing and interference
 	//       between the system blockstore and the markset.
@@ -294,6 +405,15 @@ func openTransientBadgerDB(path string) (*badger.DB, error) {
 	//       exceeded 1GB in size.
 	opts.TableLoadingMode = options.FileIO
 	opts.ValueLogLoadingMode = options.FileIO
+	// We increase the number of L0 tables before compaction to make it unlikely to
+	// be necessary.
+	opts.NumLevelZeroTables = 20      // default is 5
+	opts.NumLevelZeroTablesStall = 30 // default is 10
+	// increase the number of compactors from default 2 so that if we ever have to
+	// compact, it is fast
+	if runtime.NumCPU()/2 > opts.NumCompactors {
+		opts.NumCompactors = runtime.NumCPU() / 2
+	}
 	opts.Logger = &badgerLogger{
 		SugaredLogger: log.Desugar().WithOptions(zap.AddCallerSkip(1)).Sugar(),
 		skip2:         log.Desugar().WithOptions(zap.AddCallerSkip(2)).Sugar(),
@@ -302,12 +422,16 @@ func openTransientBadgerDB(path string) (*badger.DB, error) {
 	return badger.Open(opts)
 }

-func closeTransientBadgerDB(db *badger.DB, path string) error {
+func closeBadgerDB(db *badger.DB, path string, persist bool) error {
 	err := db.Close()
 	if err != nil {
 		return xerrors.Errorf("error closing badger markset: %w", err)
 	}

+	if persist {
+		return nil
+	}
+
 	err = os.RemoveAll(path)
 	if err != nil {
 		return xerrors.Errorf("error deleting badger markset: %w", err)
@@ -1,37 +1,104 @@
 package splitstore

 import (
+	"bufio"
+	"io"
+	"os"
+	"path/filepath"
 	"sync"

+	"golang.org/x/xerrors"
+
 	cid "github.com/ipfs/go-cid"
 )

-type MapMarkSetEnv struct{}
+type MapMarkSetEnv struct {
+	path string
+}

 var _ MarkSetEnv = (*MapMarkSetEnv)(nil)

 type MapMarkSet struct {
 	mx  sync.RWMutex
 	set map[string]struct{}
+
+	persist bool
+	file    *os.File
+	buf     *bufio.Writer
+
+	path string
 }

 var _ MarkSet = (*MapMarkSet)(nil)

-func NewMapMarkSetEnv() (*MapMarkSetEnv, error) {
-	return &MapMarkSetEnv{}, nil
+func NewMapMarkSetEnv(path string) (*MapMarkSetEnv, error) {
+	msPath := filepath.Join(path, "markset.map")
+	err := os.MkdirAll(msPath, 0755) //nolint:gosec
+	if err != nil {
+		return nil, xerrors.Errorf("error creating markset directory: %w", err)
+	}
+
+	return &MapMarkSetEnv{path: msPath}, nil
 }

-func (e *MapMarkSetEnv) Create(name string, sizeHint int64) (MarkSet, error) {
+func (e *MapMarkSetEnv) New(name string, sizeHint int64) (MarkSet, error) {
+	path := filepath.Join(e.path, name)
 	return &MapMarkSet{
-		set: make(map[string]struct{}, sizeHint),
+		set:  make(map[string]struct{}, sizeHint),
+		path: path,
 	}, nil
 }

+func (e *MapMarkSetEnv) Recover(name string) (MarkSet, error) {
+	path := filepath.Join(e.path, name)
+	s := &MapMarkSet{
+		set:  make(map[string]struct{}),
+		path: path,
+	}
+
+	in, err := os.Open(path)
+	if err != nil {
+		return nil, xerrors.Errorf("error opening markset file for read: %w", err)
+	}
+	defer in.Close() //nolint:errcheck
+
+	// wrap a buffered reader to make this faster
+	buf := bufio.NewReader(in)
+	for {
+		var sz byte
+		if sz, err = buf.ReadByte(); err != nil {
+			break
+		}
+
+		key := make([]byte, int(sz))
+		if _, err = io.ReadFull(buf, key); err != nil {
+			break
+		}
+
+		s.set[string(key)] = struct{}{}
+	}
+
+	if err != io.EOF {
+		return nil, xerrors.Errorf("error reading markset file: %w", err)
+	}
+
+	file, err := os.OpenFile(s.path, os.O_WRONLY|os.O_APPEND, 0)
+	if err != nil {
+		return nil, xerrors.Errorf("error opening markset file for write: %w", err)
+	}
+
+	s.persist = true
+	s.file = file
+	s.buf = bufio.NewWriter(file)
+
+	return s, nil
+}
+
 func (e *MapMarkSetEnv) Close() error {
 	return nil
 }

-func (s *MapMarkSet) Mark(cid cid.Cid) error {
+func (s *MapMarkSet) BeginCriticalSection() error {
 	s.mx.Lock()
 	defer s.mx.Unlock()

@@ -39,7 +106,104 @@ func (s *MapMarkSet) Mark(cid cid.Cid) error {
 		return errMarkSetClosed
 	}

-	s.set[string(cid.Hash())] = struct{}{}
+	if s.persist {
+		return nil
+	}
+
+	file, err := os.OpenFile(s.path, os.O_CREATE|os.O_TRUNC|os.O_WRONLY, 0644)
+	if err != nil {
+		return xerrors.Errorf("error opening markset file: %w", err)
+	}
+
+	// wrap a buffered writer to make this faster
+	s.buf = bufio.NewWriter(file)
+	for key := range s.set {
+		if err := s.writeKey([]byte(key), false); err != nil {
+			_ = file.Close()
+			s.buf = nil
+			return err
+		}
+	}
+	if err := s.buf.Flush(); err != nil {
+		_ = file.Close()
+		s.buf = nil
+		return xerrors.Errorf("error flushing markset file buffer: %w", err)
+	}
+
+	s.file = file
+	s.persist = true
+
+	return nil
+}
+
+func (s *MapMarkSet) EndCriticalSection() {
+	s.mx.Lock()
+	defer s.mx.Unlock()
+
+	if !s.persist {
+		return
+	}
+
+	_ = s.file.Close()
+	_ = os.Remove(s.path)
+	s.file = nil
+	s.buf = nil
+	s.persist = false
+}
+
+func (s *MapMarkSet) Mark(c cid.Cid) error {
+	s.mx.Lock()
+	defer s.mx.Unlock()
+
+	if s.set == nil {
+		return errMarkSetClosed
+	}
+
+	hash := c.Hash()
+	s.set[string(hash)] = struct{}{}
+
+	if s.persist {
+		if err := s.writeKey(hash, true); err != nil {
+			return err
+		}
+
+		if err := s.file.Sync(); err != nil {
+			return xerrors.Errorf("error syncing markset: %w", err)
+		}
+	}
+
+	return nil
+}
+
+func (s *MapMarkSet) MarkMany(batch []cid.Cid) error {
+	s.mx.Lock()
+	defer s.mx.Unlock()
+
+	if s.set == nil {
+		return errMarkSetClosed
+	}
+
+	for _, c := range batch {
+		hash := c.Hash()
+		s.set[string(hash)] = struct{}{}
+
+		if s.persist {
+			if err := s.writeKey(hash, false); err != nil {
+				return err
+			}
+		}
+	}
+
+	if s.persist {
+		if err := s.buf.Flush(); err != nil {
+			return xerrors.Errorf("error flushing markset buffer to disk: %w", err)
+		}
+
+		if err := s.file.Sync(); err != nil {
+			return xerrors.Errorf("error syncing markset: %w", err)
+		}
+	}
+
 	return nil
 }

@@ -63,12 +227,23 @@ func (s *MapMarkSet) Visit(c cid.Cid) (bool, error) {
 		return false, errMarkSetClosed
 	}

-	key := string(c.Hash())
+	hash := c.Hash()
+	key := string(hash)
 	if _, ok := s.set[key]; ok {
 		return false, nil
 	}

 	s.set[key] = struct{}{}
+
+	if s.persist {
+		if err := s.writeKey(hash, true); err != nil {
+			return false, err
+		}
+		if err := s.file.Sync(); err != nil {
+			return false, xerrors.Errorf("error syncing markset: %w", err)
+		}
+	}
+
 	return true, nil
 }

@@ -76,6 +251,39 @@ func (s *MapMarkSet) Close() error {
 	s.mx.Lock()
 	defer s.mx.Unlock()

+	if s.set == nil {
+		return nil
+	}
+
 	s.set = nil
+
+	if s.file != nil {
+		if err := s.file.Close(); err != nil {
+			log.Warnf("error closing markset file: %s", err)
+		}
+
+		if !s.persist {
+			if err := os.Remove(s.path); err != nil {
+				log.Warnf("error removing markset file: %s", err)
+			}
+		}
+	}
+
+	return nil
+}
+
+func (s *MapMarkSet) writeKey(k []byte, flush bool) error {
+	if err := s.buf.WriteByte(byte(len(k))); err != nil {
+		return xerrors.Errorf("error writing markset key length to disk: %w", err)
+	}
+	if _, err := s.buf.Write(k); err != nil {
+		return xerrors.Errorf("error writing markset key to disk: %w", err)
+	}
+	if flush {
+		if err := s.buf.Flush(); err != nil {
+			return xerrors.Errorf("error flushing markset buffer to disk: %w", err)
+		}
+	}
+
 	return nil
 }
@@ -11,7 +11,10 @@ import (

 func TestMapMarkSet(t *testing.T) {
 	testMarkSet(t, "map")
+	testMarkSetRecovery(t, "map")
+	testMarkSetMarkMany(t, "map")
 	testMarkSetVisitor(t, "map")
+	testMarkSetVisitorRecovery(t, "map")
 }

 func TestBadgerMarkSet(t *testing.T) {
@@ -21,12 +24,13 @@ func TestBadgerMarkSet(t *testing.T) {
 		badgerMarkSetBatchSize = bs
 	})
 	testMarkSet(t, "badger")
+	testMarkSetRecovery(t, "badger")
+	testMarkSetMarkMany(t, "badger")
 	testMarkSetVisitor(t, "badger")
+	testMarkSetVisitorRecovery(t, "badger")
 }

 func testMarkSet(t *testing.T, lsType string) {
-	t.Helper()
-
 	path, err := ioutil.TempDir("", "markset.*")
 	if err != nil {
 		t.Fatal(err)
@@ -42,12 +46,12 @@ func testMarkSet(t *testing.T, lsType string) {
 	}
 	defer env.Close() //nolint:errcheck

-	hotSet, err := env.Create("hot", 0)
+	hotSet, err := env.New("hot", 0)
 	if err != nil {
 		t.Fatal(err)
 	}

-	coldSet, err := env.Create("cold", 0)
+	coldSet, err := env.New("cold", 0)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -62,6 +66,7 @@ func testMarkSet(t *testing.T, lsType string) {
 	}

 	mustHave := func(s MarkSet, cid cid.Cid) {
+		t.Helper()
 		has, err := s.Has(cid)
 		if err != nil {
 			t.Fatal(err)
@@ -73,6 +78,7 @@ func testMarkSet(t *testing.T, lsType string) {
 	}

 	mustNotHave := func(s MarkSet, cid cid.Cid) {
+		t.Helper()
 		has, err := s.Has(cid)
 		if err != nil {
 			t.Fatal(err)
@@ -114,12 +120,12 @@ func testMarkSet(t *testing.T, lsType string) {
 		t.Fatal(err)
 	}

-	hotSet, err = env.Create("hot", 0)
+	hotSet, err = env.New("hot", 0)
 	if err != nil {
 		t.Fatal(err)
 	}

-	coldSet, err = env.Create("cold", 0)
+	coldSet, err = env.New("cold", 0)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -150,8 +156,6 @@ func testMarkSet(t *testing.T, lsType string) {
 }

 func testMarkSetVisitor(t *testing.T, lsType string) {
-	t.Helper()
-
 	path, err := ioutil.TempDir("", "markset.*")
 	if err != nil {
 		t.Fatal(err)
@@ -167,7 +171,7 @@ func testMarkSetVisitor(t *testing.T, lsType string) {
 	}
 	defer env.Close() //nolint:errcheck

-	visitor, err := env.Create("test", 0)
+	visitor, err := env.New("test", 0)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -219,3 +223,322 @@ func testMarkSetVisitor(t *testing.T, lsType string) {
 	mustNotVisit(visitor, k3)
 	mustNotVisit(visitor, k4)
 }
+
+func testMarkSetVisitorRecovery(t *testing.T, lsType string) {
+	path, err := ioutil.TempDir("", "markset.*")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	t.Cleanup(func() {
+		_ = os.RemoveAll(path)
+	})
+
+	env, err := OpenMarkSetEnv(path, lsType)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer env.Close() //nolint:errcheck
+
+	visitor, err := env.New("test", 0)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer visitor.Close() //nolint:errcheck
+
+	makeCid := func(key string) cid.Cid {
+		h, err := multihash.Sum([]byte(key), multihash.SHA2_256, -1)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		return cid.NewCidV1(cid.Raw, h)
+	}
+
+	mustVisit := func(v ObjectVisitor, cid cid.Cid) {
+		visit, err := v.Visit(cid)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if !visit {
+			t.Fatal("object should be visited")
+		}
+	}
+
+	mustNotVisit := func(v ObjectVisitor, cid cid.Cid) {
+		visit, err := v.Visit(cid)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if visit {
+			t.Fatal("unexpected visit")
+		}
+	}
+
+	k1 := makeCid("a")
+	k2 := makeCid("b")
+	k3 := makeCid("c")
+	k4 := makeCid("d")
+
+	mustVisit(visitor, k1)
+	mustVisit(visitor, k2)
+
+	if err := visitor.BeginCriticalSection(); err != nil {
+		t.Fatal(err)
+	}
+
+	mustVisit(visitor, k3)
+	mustVisit(visitor, k4)
+
+	mustNotVisit(visitor, k1)
+	mustNotVisit(visitor, k2)
+	mustNotVisit(visitor, k3)
+	mustNotVisit(visitor, k4)
+
+	if err := visitor.Close(); err != nil {
+		t.Fatal(err)
+	}
+
+	visitor, err = env.Recover("test")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	mustNotVisit(visitor, k1)
+	mustNotVisit(visitor, k2)
+	mustNotVisit(visitor, k3)
+	mustNotVisit(visitor, k4)
+
+	visitor.EndCriticalSection()
+
+	if err := visitor.Close(); err != nil {
+		t.Fatal(err)
+	}
+
+	_, err = env.Recover("test")
+	if err == nil {
+		t.Fatal("expected recovery to fail")
+	}
+}
+
+func testMarkSetRecovery(t *testing.T, lsType string) {
+	path, err := ioutil.TempDir("", "markset.*")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	t.Cleanup(func() {
+		_ = os.RemoveAll(path)
+	})
+
+	env, err := OpenMarkSetEnv(path, lsType)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer env.Close() //nolint:errcheck
+
+	markSet, err := env.New("test", 0)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	makeCid := func(key string) cid.Cid {
+		h, err := multihash.Sum([]byte(key), multihash.SHA2_256, -1)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		return cid.NewCidV1(cid.Raw, h)
+	}
+
+	mustHave := func(s MarkSet, cid cid.Cid) {
+		t.Helper()
+		has, err := s.Has(cid)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if !has {
+			t.Fatal("mark not found")
+		}
+	}
+
+	mustNotHave := func(s MarkSet, cid cid.Cid) {
+		t.Helper()
+		has, err := s.Has(cid)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if has {
+			t.Fatal("unexpected mark")
+		}
+	}
+
+	k1 := makeCid("a")
+	k2 := makeCid("b")
+	k3 := makeCid("c")
+	k4 := makeCid("d")
+
+	if err := markSet.Mark(k1); err != nil {
+		t.Fatal(err)
+	}
+	if err := markSet.Mark(k2); err != nil {
+		t.Fatal(err)
+	}
+
+	mustHave(markSet, k1)
+	mustHave(markSet, k2)
+	mustNotHave(markSet, k3)
+	mustNotHave(markSet, k4)
+
+	if err := markSet.BeginCriticalSection(); err != nil {
+		t.Fatal(err)
+	}
+
+	if err := markSet.Mark(k3); err != nil {
+		t.Fatal(err)
+	}
+	if err := markSet.Mark(k4); err != nil {
+		t.Fatal(err)
+	}
+
+	mustHave(markSet, k1)
+	mustHave(markSet, k2)
+	mustHave(markSet, k3)
+	mustHave(markSet, k4)
+
+	if err := markSet.Close(); err != nil {
+		t.Fatal(err)
+	}
+
+	markSet, err = env.Recover("test")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	mustHave(markSet, k1)
+	mustHave(markSet, k2)
+	mustHave(markSet, k3)
+	mustHave(markSet, k4)
+
+	markSet.EndCriticalSection()
+
+	if err := markSet.Close(); err != nil {
+		t.Fatal(err)
+	}
+
+	_, err = env.Recover("test")
+	if err == nil {
+		t.Fatal("expected recovery to fail")
+	}
+}
+
+func testMarkSetMarkMany(t *testing.T, lsType string) {
+	path, err := ioutil.TempDir("", "markset.*")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	t.Cleanup(func() {
+		_ = os.RemoveAll(path)
+	})
+
+	env, err := OpenMarkSetEnv(path, lsType)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer env.Close() //nolint:errcheck
+
+	markSet, err := env.New("test", 0)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	makeCid := func(key string) cid.Cid {
+		h, err := multihash.Sum([]byte(key), multihash.SHA2_256, -1)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		return cid.NewCidV1(cid.Raw, h)
+	}
+
+	mustHave := func(s MarkSet, cid cid.Cid) {
+		t.Helper()
+		has, err := s.Has(cid)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if !has {
+			t.Fatal("mark not found")
+		}
+	}
+
+	mustNotHave := func(s MarkSet, cid cid.Cid) {
+		t.Helper()
+		has, err := s.Has(cid)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if has {
+			t.Fatal("unexpected mark")
+		}
+	}
+
+	k1 := makeCid("a")
+	k2 := makeCid("b")
+	k3 := makeCid("c")
+	k4 := makeCid("d")
+
+	if err := markSet.MarkMany([]cid.Cid{k1, k2}); err != nil {
+		t.Fatal(err)
+	}
+
+	mustHave(markSet, k1)
+	mustHave(markSet, k2)
+	mustNotHave(markSet, k3)
+	mustNotHave(markSet, k4)
+
+	if err := markSet.BeginCriticalSection(); err != nil {
+		t.Fatal(err)
+	}
+
+	if err := markSet.MarkMany([]cid.Cid{k3, k4}); err != nil {
+		t.Fatal(err)
+	}
+
+	mustHave(markSet, k1)
+	mustHave(markSet, k2)
+	mustHave(markSet, k3)
+	mustHave(markSet, k4)
+
+	if err := markSet.Close(); err != nil {
+		t.Fatal(err)
+	}
+
+	markSet, err = env.Recover("test")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	mustHave(markSet, k1)
+	mustHave(markSet, k2)
+	mustHave(markSet, k3)
+	mustHave(markSet, k4)
+
+	markSet.EndCriticalSection()
+
+	if err := markSet.Close(); err != nil {
+		t.Fatal(err)
+	}
+
+	_, err = env.Recover("test")
+	if err == nil {
+		t.Fatal("expected recovery to fail")
+	}
+}
@@ -129,8 +129,6 @@ type SplitStore struct {

 	headChangeMx sync.Mutex

-	coldPurgeSize int
-
 	chain ChainAccessor
 	ds    dstore.Datastore
 	cold  bstore.Blockstore
@@ -158,6 +156,10 @@ type SplitStore struct {
 	txnRefsMx       sync.Mutex
 	txnRefs         map[cid.Cid]struct{}
 	txnMissing      map[cid.Cid]struct{}
+	txnMarkSet      MarkSet
+	txnSyncMx       sync.Mutex
+	txnSyncCond     sync.Cond
+	txnSync         bool

 	// registered protectors
 	protectors []func(func(cid.Cid) error) error
@@ -194,11 +196,10 @@ func Open(path string, ds dstore.Datastore, hot, cold bstore.Blockstore, cfg *Co
 		cold:       cold,
 		hot:        hots,
 		markSetEnv: markSetEnv,
-
-		coldPurgeSize: defaultColdPurgeSize,
 	}

 	ss.txnViewsCond.L = &ss.txnViewsMx
+	ss.txnSyncCond.L = &ss.txnSyncMx
 	ss.ctx, ss.cancel = context.WithCancel(context.Background())

 	if enableDebugLog {
@@ -208,6 +209,14 @@ func Open(path string, ds dstore.Datastore, hot, cold bstore.Blockstore, cfg *Co
 		}
 	}

+	if ss.checkpointExists() {
+		log.Info("found compaction checkpoint; resuming compaction")
+		if err := ss.completeCompaction(); err != nil {
+			markSetEnv.Close() //nolint:errcheck
+			return nil, xerrors.Errorf("error resuming compaction: %w", err)
+		}
+	}
+
 	return ss, nil
 }

@@ -230,6 +239,20 @@ func (s *SplitStore) Has(ctx context.Context, cid cid.Cid) (bool, error) {
 	s.txnLk.RLock()
 	defer s.txnLk.RUnlock()

+	// critical section
+	if s.txnMarkSet != nil {
+		has, err := s.txnMarkSet.Has(cid)
+		if err != nil {
+			return false, err
+		}
+
+		if has {
+			return s.has(cid)
+		}
+
+		return s.cold.Has(ctx, cid)
+	}
+
 	has, err := s.hot.Has(ctx, cid)

 	if err != nil {
@@ -257,6 +280,20 @@ func (s *SplitStore) Get(ctx context.Context, cid cid.Cid) (blocks.Block, error)
 	s.txnLk.RLock()
 	defer s.txnLk.RUnlock()

+	// critical section
+	if s.txnMarkSet != nil {
+		has, err := s.txnMarkSet.Has(cid)
+		if err != nil {
+			return nil, err
+		}
+
+		if has {
+			return s.get(cid)
+		}
+
+		return s.cold.Get(ctx, cid)
+	}
+
 	blk, err := s.hot.Get(ctx, cid)

 	switch err {
@@ -294,6 +331,20 @@ func (s *SplitStore) GetSize(ctx context.Context, cid cid.Cid) (int, error) {
 	s.txnLk.RLock()
 	defer s.txnLk.RUnlock()

+	// critical section
+	if s.txnMarkSet != nil {
+		has, err := s.txnMarkSet.Has(cid)
+		if err != nil {
+			return 0, err
+		}
+
+		if has {
+			return s.getSize(cid)
+		}
+
+		return s.cold.GetSize(ctx, cid)
+	}
+
 	size, err := s.hot.GetSize(ctx, cid)

 	switch err {
@@ -332,6 +383,12 @@ func (s *SplitStore) Put(ctx context.Context, blk blocks.Block) error {

 	s.debug.LogWrite(blk)

+	// critical section
+	if s.txnMarkSet != nil {
+		s.markLiveRefs([]cid.Cid{blk.Cid()})
+		return nil
+	}
+
 	s.trackTxnRef(blk.Cid())
 	return nil
 }
@@ -377,6 +434,12 @@ func (s *SplitStore) PutMany(ctx context.Context, blks []blocks.Block) error {

 	s.debug.LogWriteMany(blks)

+	// critical section
+	if s.txnMarkSet != nil {
+		s.markLiveRefs(batch)
+		return nil
+	}
+
 	s.trackTxnRefMany(batch)
 	return nil
 }
@@ -436,6 +499,23 @@ func (s *SplitStore) View(ctx context.Context, cid cid.Cid, cb func([]byte) erro
 		return cb(data)
 	}

+	// critical section
+	s.txnLk.RLock() // the lock is released in protectView if we are not in critical section
+	if s.txnMarkSet != nil {
+		has, err := s.txnMarkSet.Has(cid)
+		s.txnLk.RUnlock()
+
+		if err != nil {
+			return err
+		}
+
+		if has {
+			return s.view(cid, cb)
+		}
+
+		return s.cold.View(ctx, cid, cb)
+	}
+
 	// views are (optimistically) protected two-fold:
 	// - if there is an active transaction, then the reference is protected.
 	// - if there is no active transaction, active views are tracked in a
@@ -585,6 +665,11 @@ func (s *SplitStore) Close() error {
 	}

 	if atomic.LoadInt32(&s.compacting) == 1 {
+		s.txnSyncMx.Lock()
+		s.txnSync = true
+		s.txnSyncCond.Broadcast()
+		s.txnSyncMx.Unlock()
+
 		log.Warn("close with ongoing compaction in progress; waiting for it to finish...")
 		for atomic.LoadInt32(&s.compacting) == 1 {
 			time.Sleep(time.Second)
@@ -89,7 +89,7 @@ func (s *SplitStore) doCheck(curTs *types.TipSet) error {
 	coldCnt := new(int64)
 	missingCnt := new(int64)

-	visitor, err := s.markSetEnv.Create("check", 0)
+	visitor, err := s.markSetEnv.New("check", 0)
 	if err != nil {
 		return xerrors.Errorf("error creating visitor: %w", err)
 	}
@@ -3,8 +3,9 @@ package splitstore
 import (
 	"bytes"
 	"errors"
+	"os"
+	"path/filepath"
 	"runtime"
-	"sort"
 	"sync"
 	"sync/atomic"
 	"time"
@@ -48,6 +49,10 @@ var (
 	// SyncGapTime is the time delay from a tipset's min timestamp before we decide
 	// there is a sync gap
 	SyncGapTime = time.Minute
+
+	// SyncWaitTime is the time delay from a tipset's min timestamp before we decide
+	// we have synced.
+	SyncWaitTime = 30 * time.Second
 )

 var (
@@ -57,8 +62,6 @@ var (

 const (
 	batchSize = 16384
-
-	defaultColdPurgeSize = 7_000_000
 )

 func (s *SplitStore) HeadChange(_, apply []*types.TipSet) error {
@@ -141,9 +144,9 @@ func (s *SplitStore) isNearUpgrade(epoch abi.ChainEpoch) bool {
 // transactionally protect incoming tipsets
 func (s *SplitStore) protectTipSets(apply []*types.TipSet) {
 	s.txnLk.RLock()
-	defer s.txnLk.RUnlock()

 	if !s.txnActive {
+		s.txnLk.RUnlock()
 		return
 	}

@@ -152,12 +155,115 @@ func (s *SplitStore) protectTipSets(apply []*types.TipSet) {
 		cids = append(cids, ts.Cids()...)
 	}

+	if len(cids) == 0 {
+		s.txnLk.RUnlock()
+		return
+	}
+
+	// critical section
+	if s.txnMarkSet != nil {
+		curTs := apply[len(apply)-1]
+		timestamp := time.Unix(int64(curTs.MinTimestamp()), 0)
+		doSync := time.Since(timestamp) < SyncWaitTime
+		go func() {
+			if doSync {
+				defer func() {
+					s.txnSyncMx.Lock()
+					defer s.txnSyncMx.Unlock()
+					s.txnSync = true
+					s.txnSyncCond.Broadcast()
+				}()
+			}
+			defer s.txnLk.RUnlock()
+			s.markLiveRefs(cids)
+
+		}()
+		return
+	}
+
 	s.trackTxnRefMany(cids)
+	s.txnLk.RUnlock()
+}
+
+func (s *SplitStore) markLiveRefs(cids []cid.Cid) {
+	log.Debugf("marking %d live refs", len(cids))
+	startMark := time.Now()
+
+	count := new(int32)
+	visitor := newConcurrentVisitor()
+	walkObject := func(c cid.Cid) error {
+		return s.walkObjectIncomplete(c, visitor,
+			func(c cid.Cid) error {
+				if isUnitaryObject(c) {
+					return errStopWalk
+				}
+
+				visit, err := s.txnMarkSet.Visit(c)
+				if err != nil {
+					return xerrors.Errorf("error visiting object: %w", err)
+				}
+
+				if !visit {
+					return errStopWalk
+				}
+
+				atomic.AddInt32(count, 1)
+				return nil
+			},
+			func(missing cid.Cid) error {
+				log.Warnf("missing object reference %s in %s", missing, c)
+				return errStopWalk
+			})
+	}
+
+	// optimize the common case of single put
+	if len(cids) == 1 {
+		if err := walkObject(cids[0]); err != nil {
+			log.Errorf("error marking tipset refs: %s", err)
+		}
+		log.Debugw("marking live refs done", "took", time.Since(startMark), "marked", *count)
+		return
+	}
+
+	workch := make(chan cid.Cid, len(cids))
+	for _, c := range cids {
+		workch <- c
+	}
+	close(workch)
+
+	worker := func() error {
+		for c := range workch {
+			if err := walkObject(c); err != nil {
+				return err
+			}
+		}
+
+		return nil
+	}
+
+	workers := runtime.NumCPU() / 2
+	if workers < 2 {
+		workers = 2
+	}
+	if workers > len(cids) {
+		workers = len(cids)
+	}
+
+	g := new(errgroup.Group)
+	for i := 0; i < workers; i++ {
+		g.Go(worker)
+	}
+
+	if err := g.Wait(); err != nil {
+		log.Errorf("error marking tipset refs: %s", err)
+	}
+
+	log.Debugw("marking live refs done", "took", time.Since(startMark), "marked", *count)
 }

 // transactionally protect a view
 func (s *SplitStore) protectView(c cid.Cid) {
-	s.txnLk.RLock()
+	//  the txnLk is held for read
 	defer s.txnLk.RUnlock()

 	if s.txnActive {
@@ -387,6 +493,12 @@ func (s *SplitStore) compact(curTs *types.TipSet) {
 }

 func (s *SplitStore) doCompact(curTs *types.TipSet) error {
+	if s.checkpointExists() {
+		// this really shouldn't happen, but if it somehow does, it means that the hotstore
+		// might be potentially inconsistent; abort compaction and notify the user to intervene.
+		return xerrors.Errorf("checkpoint exists; aborting compaction")
+	}
+
 	currentEpoch := curTs.Height()
 	boundaryEpoch := currentEpoch - CompactionBoundary

@@ -398,7 +510,7 @@ func (s *SplitStore) doCompact(curTs *types.TipSet) error {

 	log.Infow("running compaction", "currentEpoch", currentEpoch, "baseEpoch", s.baseEpoch, "boundaryEpoch", boundaryEpoch, "inclMsgsEpoch", inclMsgsEpoch, "compactionIndex", s.compactionIndex)

-	markSet, err := s.markSetEnv.Create("live", s.markSetSize)
+	markSet, err := s.markSetEnv.New("live", s.markSetSize)
 	if err != nil {
 		return xerrors.Errorf("error creating mark set: %w", err)
 	}
@@ -409,9 +521,6 @@ func (s *SplitStore) doCompact(curTs *types.TipSet) error {
 		return err
 	}

-	// we are ready for concurrent marking
-	s.beginTxnMarking(markSet)
-
 	// 0. track all protected references at beginning of compaction; anything added later should
 	//    be transactionally protected by the write
 	log.Info("protecting references with registered protectors")
@@ -425,7 +534,7 @@ func (s *SplitStore) doCompact(curTs *types.TipSet) error {
 	log.Info("marking reachable objects")
 	startMark := time.Now()

-	var count int64
+	count := new(int64)
 	err = s.walkChain(curTs, boundaryEpoch, inclMsgsEpoch, &noopVisitor{},
 		func(c cid.Cid) error {
 			if isUnitaryObject(c) {
@@ -441,7 +550,7 @@ func (s *SplitStore) doCompact(curTs *types.TipSet) error {
 				return errStopWalk
 			}

-			count++
+			atomic.AddInt64(count, 1)
 			return nil
 		})

@@ -449,9 +558,9 @@ func (s *SplitStore) doCompact(curTs *types.TipSet) error {
 		return xerrors.Errorf("error marking: %w", err)
 	}

-	s.markSetSize = count + count>>2 // overestimate a bit
+	s.markSetSize = *count + *count>>2 // overestimate a bit

-	log.Infow("marking done", "took", time.Since(startMark), "marked", count)
+	log.Infow("marking done", "took", time.Since(startMark), "marked", *count)

 	if err := s.checkClosing(); err != nil {
 		return err
@@ -471,10 +580,15 @@ func (s *SplitStore) doCompact(curTs *types.TipSet) error {
 	log.Info("collecting cold objects")
 	startCollect := time.Now()

+	coldw, err := NewColdSetWriter(s.coldSetPath())
+	if err != nil {
+		return xerrors.Errorf("error creating coldset: %w", err)
+	}
+	defer coldw.Close() //nolint:errcheck
+
 	// some stats for logging
 	var hotCnt, coldCnt int

-	cold := make([]cid.Cid, 0, s.coldPurgeSize)
 	err = s.hot.ForEachKey(func(c cid.Cid) error {
 		// was it marked?
 		mark, err := markSet.Has(c)
@@ -488,7 +602,9 @@ func (s *SplitStore) doCompact(curTs *types.TipSet) error {
 		}

 		// it's cold, mark it as candidate for move
-		cold = append(cold, c)
+		if err := coldw.Write(c); err != nil {
+			return xerrors.Errorf("error writing cid to coldstore: %w", err)
+		}
 		coldCnt++

 		return nil
@@ -498,12 +614,12 @@ func (s *SplitStore) doCompact(curTs *types.TipSet) error {
 		return xerrors.Errorf("error collecting cold objects: %w", err)
 	}

-	log.Infow("cold collection done", "took", time.Since(startCollect))
-
-	if coldCnt > 0 {
-		s.coldPurgeSize = coldCnt + coldCnt>>2 // overestimate a bit
+	if err := coldw.Close(); err != nil {
+		return xerrors.Errorf("error closing coldset: %w", err)
 	}

+	log.Infow("cold collection done", "took", time.Since(startCollect))
+
 	log.Infow("compaction stats", "hot", hotCnt, "cold", coldCnt)
 	stats.Record(s.ctx, metrics.SplitstoreCompactionHot.M(int64(hotCnt)))
 	stats.Record(s.ctx, metrics.SplitstoreCompactionCold.M(int64(coldCnt)))
@@ -521,11 +637,17 @@ func (s *SplitStore) doCompact(curTs *types.TipSet) error {
 		return err
 	}

+	coldr, err := NewColdSetReader(s.coldSetPath())
+	if err != nil {
+		return xerrors.Errorf("error opening coldset: %w", err)
+	}
+	defer coldr.Close() //nolint:errcheck
+
 	// 3. copy the cold objects to the coldstore -- if we have one
 	if !s.cfg.DiscardColdBlocks {
 		log.Info("moving cold objects to the coldstore")
 		startMove := time.Now()
-		err = s.moveColdBlocks(cold)
+		err = s.moveColdBlocks(coldr)
 		if err != nil {
 			return xerrors.Errorf("error moving cold objects: %w", err)
 		}
@@ -534,41 +656,64 @@ func (s *SplitStore) doCompact(curTs *types.TipSet) error {
 		if err := s.checkClosing(); err != nil {
 			return err
 		}
+
+		if err := coldr.Reset(); err != nil {
+			return xerrors.Errorf("error resetting coldset: %w", err)
+		}
 	}

-	// 4. sort cold objects so that the dags with most references are deleted first
-	//    this ensures that we can't refer to a dag with its consituents already deleted, ie
-	//    we lave no dangling references.
-	log.Info("sorting cold objects")
-	startSort := time.Now()
-	err = s.sortObjects(cold)
-	if err != nil {
-		return xerrors.Errorf("error sorting objects: %w", err)
-	}
-	log.Infow("sorting done", "took", time.Since(startSort))
-
-	// 4.1 protect transactional refs once more
-	//     strictly speaking, this is not necessary as purge will do it before deleting each
-	//     batch.  however, there is likely a largish number of references accumulated during
-	//     ths sort and this protects before entering pruge context.
-	err = s.protectTxnRefs(markSet)
-	if err != nil {
-		return xerrors.Errorf("error protecting transactional refs: %w", err)
+	// 4. Purge cold objects with checkpointing for recovery.
+	// This is the critical section of compaction, whereby any cold object not in the markSet is
+	// considered already deleted.
+	// We delete cold objects in batches, holding the transaction lock, where we check the markSet
+	// again for new references created by the VM.
+	// After each batch, we write a checkpoint to disk; if the process is interrupted before completion,
+	// the process will continue from the checkpoint in the next recovery.
+	if err := s.beginCriticalSection(markSet); err != nil {
+		return xerrors.Errorf("error beginning critical section: %w", err)
 	}

 	if err := s.checkClosing(); err != nil {
 		return err
 	}

+	// wait for the head to catch up so that the current tipset is marked
+	s.waitForSync()
+
+	if err := s.checkClosing(); err != nil {
+		return err
+	}
+
+	checkpoint, err := NewCheckpoint(s.checkpointPath())
+	if err != nil {
+		return xerrors.Errorf("error creating checkpoint: %w", err)
+	}
+	defer checkpoint.Close() //nolint:errcheck
+
 	// 5. purge cold objects from the hotstore, taking protected references into account
 	log.Info("purging cold objects from the hotstore")
 	startPurge := time.Now()
-	err = s.purge(cold, markSet)
+	err = s.purge(coldr, checkpoint, markSet)
 	if err != nil {
-		return xerrors.Errorf("error purging cold blocks: %w", err)
+		return xerrors.Errorf("error purging cold objects: %w", err)
 	}
 	log.Infow("purging cold objects from hotstore done", "took", time.Since(startPurge))

+	s.endCriticalSection()
+
+	if err := checkpoint.Close(); err != nil {
+		log.Warnf("error closing checkpoint: %s", err)
+	}
+	if err := os.Remove(s.checkpointPath()); err != nil {
+		log.Warnf("error removing checkpoint: %s", err)
+	}
+	if err := coldr.Close(); err != nil {
+		log.Warnf("error closing coldset: %s", err)
+	}
+	if err := os.Remove(s.coldSetPath()); err != nil {
+		log.Warnf("error removing coldset: %s", err)
+	}
+
 	// we are done; do some housekeeping
 	s.endTxnProtect()
 	s.gcHotstore()
@@ -599,12 +744,51 @@ func (s *SplitStore) beginTxnProtect() {
 	defer s.txnLk.Unlock()

 	s.txnActive = true
+	s.txnSync = false
 	s.txnRefs = make(map[cid.Cid]struct{})
 	s.txnMissing = make(map[cid.Cid]struct{})
 }

-func (s *SplitStore) beginTxnMarking(markSet MarkSet) {
-	log.Info("beginning transactional marking")
+func (s *SplitStore) beginCriticalSection(markSet MarkSet) error {
+	log.Info("beginning critical section")
+
+	// do that once first to get the bulk before the markset is in critical section
+	if err := s.protectTxnRefs(markSet); err != nil {
+		return xerrors.Errorf("error protecting transactional references: %w", err)
+	}
+
+	if err := markSet.BeginCriticalSection(); err != nil {
+		return xerrors.Errorf("error beginning critical section for markset: %w", err)
+	}
+
+	s.txnLk.Lock()
+	defer s.txnLk.Unlock()
+
+	s.txnMarkSet = markSet
+
+	// and do it again while holding the lock to mark references that might have been created
+	// in the meantime and avoid races of the type Has->txnRef->enterCS->Get fails because
+	// it's not in the markset
+	if err := s.protectTxnRefs(markSet); err != nil {
+		return xerrors.Errorf("error protecting transactional references: %w", err)
+	}
+
+	return nil
+}
+
+func (s *SplitStore) waitForSync() {
+	log.Info("waiting for sync")
+	startWait := time.Now()
+	defer func() {
+		log.Infow("waiting for sync done", "took", time.Since(startWait))
+	}()
+
+	s.txnSyncMx.Lock()
+	defer s.txnSyncMx.Unlock()
+
+	for !s.txnSync {
+		s.txnSyncCond.Wait()
+	}
 }

 func (s *SplitStore) endTxnProtect() {
@@ -616,8 +800,20 @@ func (s *SplitStore) endTxnProtect() {
 	}

 	s.txnActive = false
+	s.txnSync = false
 	s.txnRefs = nil
 	s.txnMissing = nil
+	s.txnMarkSet = nil
+}
+
+func (s *SplitStore) endCriticalSection() {
+	log.Info("ending critical section")
+
+	s.txnLk.Lock()
+	defer s.txnLk.Unlock()
+
+	s.txnMarkSet.EndCriticalSection()
+	s.txnMarkSet = nil
 }

 func (s *SplitStore) walkChain(ts *types.TipSet, inclState, inclMsgs abi.ChainEpoch,
@@ -857,7 +1053,7 @@ func (s *SplitStore) walkObjectIncomplete(c cid.Cid, visitor ObjectVisitor, f, m
 	return nil
 }

-// internal version used by walk
+// internal version used during compaction and related operations
 func (s *SplitStore) view(c cid.Cid, cb func([]byte) error) error {
 	if isIdentiyCid(c) {
 		data, err := decodeIdentityCid(c)
@@ -892,10 +1088,34 @@ func (s *SplitStore) has(c cid.Cid) (bool, error) {
 	return s.cold.Has(s.ctx, c)
 }

-func (s *SplitStore) moveColdBlocks(cold []cid.Cid) error {
+func (s *SplitStore) get(c cid.Cid) (blocks.Block, error) {
+	blk, err := s.hot.Get(s.ctx, c)
+	switch err {
+	case nil:
+		return blk, nil
+	case bstore.ErrNotFound:
+		return s.cold.Get(s.ctx, c)
+	default:
+		return nil, err
+	}
+}
+
+func (s *SplitStore) getSize(c cid.Cid) (int, error) {
+	sz, err := s.hot.GetSize(s.ctx, c)
+	switch err {
+	case nil:
+		return sz, nil
+	case bstore.ErrNotFound:
+		return s.cold.GetSize(s.ctx, c)
+	default:
+		return 0, err
+	}
+}
+
+func (s *SplitStore) moveColdBlocks(coldr *ColdSetReader) error {
 	batch := make([]blocks.Block, 0, batchSize)

-	for _, c := range cold {
+	err := coldr.ForEach(func(c cid.Cid) error {
 		if err := s.checkClosing(); err != nil {
 			return err
 		}
@@ -904,7 +1124,7 @@ func (s *SplitStore) moveColdBlocks(cold []cid.Cid) error {
 		if err != nil {
 			if err == bstore.ErrNotFound {
 				log.Warnf("hotstore missing block %s", c)
-				continue
+				return nil
 			}

 			return xerrors.Errorf("error retrieving block %s from hotstore: %w", c, err)
@@ -918,6 +1138,12 @@ func (s *SplitStore) moveColdBlocks(cold []cid.Cid) error {
 			}
 			batch = batch[:0]
 		}
+
+		return nil
+	})
+
+	if err != nil {
+		return xerrors.Errorf("error iterating coldset: %w", err)
 	}

 	if len(batch) > 0 {
@@ -930,177 +1156,202 @@ func (s *SplitStore) moveColdBlocks(cold []cid.Cid) error {
 	return nil
 }

-// sorts a slice of objects heaviest first -- it's a little expensive but worth the
-// guarantee that we don't leave dangling references behind, e.g. if we die in the middle
-// of a purge.
-func (s *SplitStore) sortObjects(cids []cid.Cid) error {
-	// we cache the keys to avoid making a gazillion of strings
-	keys := make(map[cid.Cid]string)
-	key := func(c cid.Cid) string {
-		s, ok := keys[c]
-		if !ok {
-			s = string(c.Hash())
-			keys[c] = s
-		}
-		return s
-	}
-
-	// compute sorting weights as the cumulative number of DAG links
-	weights := make(map[string]int)
-	for _, c := range cids {
-		// this can take quite a while, so check for shutdown with every opportunity
-		if err := s.checkClosing(); err != nil {
-			return err
-		}
-
-		w := s.getObjectWeight(c, weights, key)
-		weights[key(c)] = w
-	}
-
-	// sort!
-	sort.Slice(cids, func(i, j int) bool {
-		wi := weights[key(cids[i])]
-		wj := weights[key(cids[j])]
-		if wi == wj {
-			return bytes.Compare(cids[i].Hash(), cids[j].Hash()) > 0
-		}
-
-		return wi > wj
-	})
-
-	return nil
-}
-
-func (s *SplitStore) getObjectWeight(c cid.Cid, weights map[string]int, key func(cid.Cid) string) int {
-	w, ok := weights[key(c)]
-	if ok {
-		return w
-	}
-
-	// we treat block headers specially to avoid walking the entire chain
-	var hdr types.BlockHeader
-	err := s.view(c, func(data []byte) error {
-		return hdr.UnmarshalCBOR(bytes.NewBuffer(data))
-	})
-	if err == nil {
-		w1 := s.getObjectWeight(hdr.ParentStateRoot, weights, key)
-		weights[key(hdr.ParentStateRoot)] = w1
-
-		w2 := s.getObjectWeight(hdr.Messages, weights, key)
-		weights[key(hdr.Messages)] = w2
-
-		return 1 + w1 + w2
-	}
-
-	var links []cid.Cid
-	err = s.view(c, func(data []byte) error {
-		return cbg.ScanForLinks(bytes.NewReader(data), func(c cid.Cid) {
-			links = append(links, c)
-		})
-	})
-	if err != nil {
-		return 1
-	}
-
-	w = 1
-	for _, c := range links {
-		// these are internal refs, so dags will be dags
-		if c.Prefix().Codec != cid.DagCBOR {
-			w++
-			continue
-		}
-
-		wc := s.getObjectWeight(c, weights, key)
-		weights[key(c)] = wc
-
-		w += wc
-	}
-
-	return w
-}
-
-func (s *SplitStore) purgeBatch(cids []cid.Cid, deleteBatch func([]cid.Cid) error) error {
-	if len(cids) == 0 {
-		return nil
-	}
-
-	// we don't delete one giant batch of millions of objects, but rather do smaller batches
-	// so that we don't stop the world for an extended period of time
-	done := false
-	for i := 0; !done; i++ {
-		start := i * batchSize
-		end := start + batchSize
-		if end >= len(cids) {
-			end = len(cids)
-			done = true
-		}
-
-		err := deleteBatch(cids[start:end])
-		if err != nil {
-			return xerrors.Errorf("error deleting batch: %w", err)
-		}
-	}
-
-	return nil
-}
-
-func (s *SplitStore) purge(cids []cid.Cid, markSet MarkSet) error {
+func (s *SplitStore) purge(coldr *ColdSetReader, checkpoint *Checkpoint, markSet MarkSet) error {
+	batch := make([]cid.Cid, 0, batchSize)
 	deadCids := make([]cid.Cid, 0, batchSize)
+
 	var purgeCnt, liveCnt int
 	defer func() {
 		log.Infow("purged cold objects", "purged", purgeCnt, "live", liveCnt)
 	}()

-	return s.purgeBatch(cids,
-		func(cids []cid.Cid) error {
-			deadCids := deadCids[:0]
+	deleteBatch := func() error {
+		pc, lc, err := s.purgeBatch(batch, deadCids, checkpoint, markSet)

-			for {
-				if err := s.checkClosing(); err != nil {
-					return err
-				}
+		purgeCnt += pc
+		liveCnt += lc
+		batch = batch[:0]

-				s.txnLk.Lock()
-				if len(s.txnRefs) == 0 {
-					// keep the lock!
-					break
-				}
+		return err
+	}

-				// unlock and protect
-				s.txnLk.Unlock()
+	err := coldr.ForEach(func(c cid.Cid) error {
+		batch = append(batch, c)
+		if len(batch) == batchSize {
+			return deleteBatch()
+		}

-				err := s.protectTxnRefs(markSet)
-				if err != nil {
-					return xerrors.Errorf("error protecting transactional refs: %w", err)
-				}
+		return nil
+	})
+
+	if err != nil {
+		return err
+	}
+
+	if len(batch) > 0 {
+		return deleteBatch()
+	}
+
+	return nil
+}
+
+func (s *SplitStore) purgeBatch(batch, deadCids []cid.Cid, checkpoint *Checkpoint, markSet MarkSet) (purgeCnt int, liveCnt int, err error) {
+	if err := s.checkClosing(); err != nil {
+		return 0, 0, err
+	}
+
+	s.txnLk.Lock()
+	defer s.txnLk.Unlock()
+
+	for _, c := range batch {
+		has, err := markSet.Has(c)
+		if err != nil {
+			return 0, 0, xerrors.Errorf("error checking markset for liveness: %w", err)
+		}
+
+		if has {
+			liveCnt++
+			continue
+		}
+
+		deadCids = append(deadCids, c)
+	}
+
+	if len(deadCids) == 0 {
+		if err := checkpoint.Set(batch[len(batch)-1]); err != nil {
+			return 0, 0, xerrors.Errorf("error setting checkpoint: %w", err)
+		}
+
+		return 0, liveCnt, nil
+	}
+
+	if err := s.hot.DeleteMany(s.ctx, deadCids); err != nil {
+		return 0, liveCnt, xerrors.Errorf("error purging cold objects: %w", err)
+	}
+
+	s.debug.LogDelete(deadCids)
+	purgeCnt = len(deadCids)
+
+	if err := checkpoint.Set(batch[len(batch)-1]); err != nil {
+		return purgeCnt, liveCnt, xerrors.Errorf("error setting checkpoint: %w", err)
+	}
+
+	return purgeCnt, liveCnt, nil
+}
+
+func (s *SplitStore) coldSetPath() string {
+	return filepath.Join(s.path, "coldset")
+}
+
+func (s *SplitStore) checkpointPath() string {
+	return filepath.Join(s.path, "checkpoint")
+}
+
+func (s *SplitStore) checkpointExists() bool {
+	_, err := os.Stat(s.checkpointPath())
+	return err == nil
+}
+
+func (s *SplitStore) completeCompaction() error {
+	checkpoint, last, err := OpenCheckpoint(s.checkpointPath())
+	if err != nil {
+		return xerrors.Errorf("error opening checkpoint: %w", err)
+	}
+	defer checkpoint.Close() //nolint:errcheck
+
+	coldr, err := NewColdSetReader(s.coldSetPath())
+	if err != nil {
+		return xerrors.Errorf("error opening coldset: %w", err)
+	}
+	defer coldr.Close() //nolint:errcheck
+
+	markSet, err := s.markSetEnv.Recover("live")
+	if err != nil {
+		return xerrors.Errorf("error recovering markset: %w", err)
+	}
+	defer markSet.Close() //nolint:errcheck
+
+	// PURGE
+	log.Info("purging cold objects from the hotstore")
+	startPurge := time.Now()
+	err = s.completePurge(coldr, checkpoint, last, markSet)
+	if err != nil {
+		return xerrors.Errorf("error purging cold objects: %w", err)
+	}
+	log.Infow("purging cold objects from hotstore done", "took", time.Since(startPurge))
+
+	markSet.EndCriticalSection()
+
+	if err := checkpoint.Close(); err != nil {
+		log.Warnf("error closing checkpoint: %s", err)
+	}
+	if err := os.Remove(s.checkpointPath()); err != nil {
+		log.Warnf("error removing checkpoint: %s", err)
+	}
+	if err := coldr.Close(); err != nil {
+		log.Warnf("error closing coldset: %s", err)
+	}
+	if err := os.Remove(s.coldSetPath()); err != nil {
+		log.Warnf("error removing coldset: %s", err)
+	}
+
+	// Note: at this point we can start the splitstore; a compaction should run on
+	//       the first head change, which will trigger gc on the hotstore.
+	//       We don't mind the second (back-to-back) compaction as the head will
+	//       have advanced during marking and coldset accumulation.
+	return nil
+}
+
+func (s *SplitStore) completePurge(coldr *ColdSetReader, checkpoint *Checkpoint, start cid.Cid, markSet MarkSet) error {
+	if !start.Defined() {
+		return s.purge(coldr, checkpoint, markSet)
+	}
+
+	seeking := true
+	batch := make([]cid.Cid, 0, batchSize)
+	deadCids := make([]cid.Cid, 0, batchSize)
+
+	var purgeCnt, liveCnt int
+	defer func() {
+		log.Infow("purged cold objects", "purged", purgeCnt, "live", liveCnt)
+	}()
+
+	deleteBatch := func() error {
+		pc, lc, err := s.purgeBatch(batch, deadCids, checkpoint, markSet)
+
+		purgeCnt += pc
+		liveCnt += lc
+		batch = batch[:0]
+
+		return err
+	}
+
+	err := coldr.ForEach(func(c cid.Cid) error {
+		if seeking {
+			if start.Equals(c) {
+				seeking = false
 			}

-			defer s.txnLk.Unlock()
-
-			for _, c := range cids {
-				live, err := markSet.Has(c)
-				if err != nil {
-					return xerrors.Errorf("error checking for liveness: %w", err)
-				}
-
-				if live {
-					liveCnt++
-					continue
-				}
-
-				deadCids = append(deadCids, c)
-			}
-
-			err := s.hot.DeleteMany(s.ctx, deadCids)
-			if err != nil {
-				return xerrors.Errorf("error purging cold objects: %w", err)
-			}
-
-			s.debug.LogDelete(deadCids)
-
-			purgeCnt += len(deadCids)
 			return nil
-		})
+		}
+
+		batch = append(batch, c)
+		if len(batch) == batchSize {
+			return deleteBatch()
+		}
+
+		return nil
+	})
+
+	if err != nil {
+		return err
+	}
+
+	if len(batch) > 0 {
+		return deleteBatch()
+	}
+
+	return nil
 }

 // I really don't like having this code, but we seem to have some occasional DAG references with
@@ -4,6 +4,8 @@ import (
 	"context"
 	"errors"
 	"fmt"
+	"io/ioutil"
+	"os"
 	"sync"
 	"sync/atomic"
 	"testing"
@@ -20,12 +22,14 @@ import (
 	datastore "github.com/ipfs/go-datastore"
 	dssync "github.com/ipfs/go-datastore/sync"
 	logging "github.com/ipfs/go-log/v2"
+	mh "github.com/multiformats/go-multihash"
 )

 func init() {
 	CompactionThreshold = 5
 	CompactionBoundary = 2
 	WarmupBoundary = 0
+	SyncWaitTime = time.Millisecond
 	logging.SetLogLevel("splitstore", "DEBUG")
 }

@@ -80,8 +84,17 @@ func testSplitStore(t *testing.T, cfg *Config) {
 		t.Fatal(err)
 	}

+	path, err := ioutil.TempDir("", "splitstore.*")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	t.Cleanup(func() {
+		_ = os.RemoveAll(path)
+	})
+
 	// open the splitstore
-	ss, err := Open("", ds, hot, cold, cfg)
+	ss, err := Open(path, ds, hot, cold, cfg)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -125,6 +138,10 @@ func testSplitStore(t *testing.T, cfg *Config) {
 	}

 	waitForCompaction := func() {
+		ss.txnSyncMx.Lock()
+		ss.txnSync = true
+		ss.txnSyncCond.Broadcast()
+		ss.txnSyncMx.Unlock()
 		for atomic.LoadInt32(&ss.compacting) == 1 {
 			time.Sleep(100 * time.Millisecond)
 		}
@@ -259,8 +276,17 @@ func TestSplitStoreSuppressCompactionNearUpgrade(t *testing.T) {
 		t.Fatal(err)
 	}

+	path, err := ioutil.TempDir("", "splitstore.*")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	t.Cleanup(func() {
+		_ = os.RemoveAll(path)
+	})
+
 	// open the splitstore
-	ss, err := Open("", ds, hot, cold, &Config{MarkSetType: "map"})
+	ss, err := Open(path, ds, hot, cold, &Config{MarkSetType: "map"})
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -305,6 +331,10 @@ func TestSplitStoreSuppressCompactionNearUpgrade(t *testing.T) {
 	}

 	waitForCompaction := func() {
+		ss.txnSyncMx.Lock()
+		ss.txnSync = true
+		ss.txnSyncCond.Broadcast()
+		ss.txnSyncMx.Unlock()
 		for atomic.LoadInt32(&ss.compacting) == 1 {
 			time.Sleep(100 * time.Millisecond)
 		}
@@ -426,17 +456,25 @@ func (c *mockChain) SubscribeHeadChanges(change func(revert []*types.TipSet, app

 type mockStore struct {
 	mx  sync.Mutex
-	set map[cid.Cid]blocks.Block
+	set map[string]blocks.Block
 }

 func newMockStore() *mockStore {
-	return &mockStore{set: make(map[cid.Cid]blocks.Block)}
+	return &mockStore{set: make(map[string]blocks.Block)}
+}
+
+func (b *mockStore) keyOf(c cid.Cid) string {
+	return string(c.Hash())
+}
+
+func (b *mockStore) cidOf(k string) cid.Cid {
+	return cid.NewCidV1(cid.Raw, mh.Multihash([]byte(k)))
 }

 func (b *mockStore) Has(_ context.Context, cid cid.Cid) (bool, error) {
 	b.mx.Lock()
 	defer b.mx.Unlock()
-	_, ok := b.set[cid]
+	_, ok := b.set[b.keyOf(cid)]
 	return ok, nil
 }

@@ -446,7 +484,7 @@ func (b *mockStore) Get(_ context.Context, cid cid.Cid) (blocks.Block, error) {
 	b.mx.Lock()
 	defer b.mx.Unlock()

-	blk, ok := b.set[cid]
+	blk, ok := b.set[b.keyOf(cid)]
 	if !ok {
 		return nil, blockstore.ErrNotFound
 	}
@@ -474,7 +512,7 @@ func (b *mockStore) Put(_ context.Context, blk blocks.Block) error {
 	b.mx.Lock()
 	defer b.mx.Unlock()

-	b.set[blk.Cid()] = blk
+	b.set[b.keyOf(blk.Cid())] = blk
 	return nil
 }

@@ -483,7 +521,7 @@ func (b *mockStore) PutMany(_ context.Context, blks []blocks.Block) error {
 	defer b.mx.Unlock()

 	for _, blk := range blks {
-		b.set[blk.Cid()] = blk
+		b.set[b.keyOf(blk.Cid())] = blk
 	}
 	return nil
 }
@@ -492,7 +530,7 @@ func (b *mockStore) DeleteBlock(_ context.Context, cid cid.Cid) error {
 	b.mx.Lock()
 	defer b.mx.Unlock()

-	delete(b.set, cid)
+	delete(b.set, b.keyOf(cid))
 	return nil
 }

@@ -501,7 +539,7 @@ func (b *mockStore) DeleteMany(_ context.Context, cids []cid.Cid) error {
 	defer b.mx.Unlock()

 	for _, c := range cids {
-		delete(b.set, c)
+		delete(b.set, b.keyOf(c))
 	}
 	return nil
 }
@@ -515,7 +553,7 @@ func (b *mockStore) ForEachKey(f func(cid.Cid) error) error {
 	defer b.mx.Unlock()

 	for c := range b.set {
-		err := f(c)
+		err := f(b.cidOf(c))
 		if err != nil {
 			return err
 		}
@@ -62,7 +62,7 @@ func (s *SplitStore) doWarmup(curTs *types.TipSet) error {
 	xcount := new(int64)
 	missing := new(int64)

-	visitor, err := s.markSetEnv.Create("warmup", 0)
+	visitor, err := s.markSetEnv.New("warmup", 0)
 	if err != nil {
 		return xerrors.Errorf("error creating visitor: %w", err)
 	}
@@ -1,2 +1,2 @@
-/dns4/bootstrap-0.butterfly.fildev.network/tcp/1347/p2p/12D3KooWBdRCBLUeKvoy22u5DcXs61adFn31v8WWCZgmBjDCjbsC
-/dns4/bootstrap-1.butterfly.fildev.network/tcp/1347/p2p/12D3KooWDUQJBA18njjXnG9RtLxoN3muvdU7PEy55QorUEsdAqdy
+/dns4/bootstrap-0.butterfly.fildev.network/tcp/1347/p2p/12D3KooWFHDtFx7CVTy4xoCDutVo1cScvSnQjDeaM8UzwVS1qwkh
+/dns4/bootstrap-1.butterfly.fildev.network/tcp/1347/p2p/12D3KooWKt8cwpkiumkT8x32c3YFxsPRwhV5J8hCYPn9mhUmcAXt
@@ -42,8 +42,7 @@ const UpgradeTurboHeight = -15
 const UpgradeHyperdriveHeight = -16
 const UpgradeChocolateHeight = -17

-// 2022-01-17T19:00:00Z
-const UpgradeOhSnapHeight = 30262
+const UpgradeOhSnapHeight = 240

 func init() {
 	policy.SetConsensusMinerMinPower(abi.NewStoragePower(2 << 30))
@@ -54,7 +54,8 @@ const UpgradeHyperdriveHeight = 420

 const UpgradeChocolateHeight = 312746

-const UpgradeOhSnapHeight = 99999999
+// 2022-02-10T19:23:00Z
+const UpgradeOhSnapHeight = 682006

 func init() {
 	policy.SetConsensusMinerMinPower(abi.NewStoragePower(32 << 30))
@@ -67,7 +67,8 @@ const UpgradeHyperdriveHeight = 892800
 // 2021-10-26T13:30:00Z
 const UpgradeChocolateHeight = 1231620

-var UpgradeOhSnapHeight = abi.ChainEpoch(999999999999)
+// 2022-03-01T15:00:00Z
+var UpgradeOhSnapHeight = abi.ChainEpoch(1594680)

 func init() {
 	if os.Getenv("LOTUS_USE_TEST_ADDRESSES") != "1" {
@@ -13,17 +13,6 @@ import (

 func BlocksTopic(netName dtypes.NetworkName) string   { return "/fil/blocks/" + string(netName) }
 func MessagesTopic(netName dtypes.NetworkName) string { return "/fil/msgs/" + string(netName) }
-func IndexerIngestTopic(netName dtypes.NetworkName) string {
-
-	nn := string(netName)
-	// The network name testnetnet is here for historical reasons.
-	// Going forward we aim to use the name `mainnet` where possible.
-	if nn == "testnetnet" {
-		nn = "mainnet"
-	}
-
-	return "/indexer/ingest/" + nn
-}
 func DhtProtocolName(netName dtypes.NetworkName) protocol.ID {
 	return protocol.ID("/fil/kad/" + string(netName))
 }
@@ -1,4 +1,54 @@
 {
+  "v28-empty-sector-update-merkletree-poseidon_hasher-8-0-0-61fa69f38b9cc771ba27b670124714b4ea77fbeae05e377fb859c4a43b73a30c.params": {
+    "cid": "Qma5WL6abSqYg9uUQAZ3EHS286bsNsha7oAGsJBD48Bq2q",
+    "digest": "c3ad7bb549470b82ad52ed070aebb4f4",
+    "sector_size": 536870912
+  },
+  "v28-empty-sector-update-merkletree-poseidon_hasher-8-0-0-61fa69f38b9cc771ba27b670124714b4ea77fbeae05e377fb859c4a43b73a30c.vk": {
+    "cid": "QmUa7f9JtJMsqJJ3s3ZXk6WyF4xJLE8FiqYskZGgk8GCDv",
+    "digest": "994c5b7d450ca9da348c910689f2dc7f",
+    "sector_size": 536870912
+  },
+  "v28-empty-sector-update-merkletree-poseidon_hasher-8-0-0-92180959e1918d26350b8e6cfe217bbdd0a2d8de51ebec269078b364b715ad63.params": {
+    "cid": "QmQiT4qBGodrVNEgVTDXxBNDdPbaD8Ag7Sx3ZTq1zHX79S",
+    "digest": "5aedd2cf3e5c0a15623d56a1b43110ad",
+    "sector_size": 8388608
+  },
+  "v28-empty-sector-update-merkletree-poseidon_hasher-8-0-0-92180959e1918d26350b8e6cfe217bbdd0a2d8de51ebec269078b364b715ad63.vk": {
+    "cid": "QmdcpKUQvHM8RFRVKbk1yHfEqMcBzhtFWKRp9SNEmWq37i",
+    "digest": "abd80269054d391a734febdac0d2e687",
+    "sector_size": 8388608
+  },
+  "v28-empty-sector-update-merkletree-poseidon_hasher-8-0-0-fb9e095bebdd77511c0269b967b4d87ba8b8a525edaa0e165de23ba454510194.params": {
+    "cid": "QmYM6Hg7mjmvA3ZHTsqkss1fkdyDju5dDmLiBZGJ5pz9y9",
+    "digest": "311f92a3e75036ced01b1c0025f1fa0c",
+    "sector_size": 2048
+  },
+  "v28-empty-sector-update-merkletree-poseidon_hasher-8-0-0-fb9e095bebdd77511c0269b967b4d87ba8b8a525edaa0e165de23ba454510194.vk": {
+    "cid": "QmaQsTLL3nc5dw6wAvaioJSBfd1jhQrA2o6ucFf7XeV74P",
+    "digest": "eadad9784969890d30f2749708c79771",
+    "sector_size": 2048
+  },
+  "v28-empty-sector-update-merkletree-poseidon_hasher-8-8-0-3b7f44a9362e3985369454947bc94022e118211e49fd672d52bec1cbfd599d18.params": {
+    "cid": "QmNPc75iEfcahCwNKdqnWLtxnjspUGGR4iscjiz3wP3RtS",
+    "digest": "1b3cfd761a961543f9eb273e435a06a2",
+    "sector_size": 34359738368
+  },
+  "v28-empty-sector-update-merkletree-poseidon_hasher-8-8-0-3b7f44a9362e3985369454947bc94022e118211e49fd672d52bec1cbfd599d18.vk": {
+    "cid": "QmdFFUe1gcz9MMHc6YW8aoV48w4ckvcERjt7PkydQAMfCN",
+    "digest": "3a6941983754737fde880d29c7094905",
+    "sector_size": 34359738368
+  },
+  "v28-empty-sector-update-merkletree-poseidon_hasher-8-8-2-102e1444a7e9a97ebf1e3d6855dcc77e66c011ea66f936d9b2c508f87f2f83a7.params": {
+    "cid": "QmUB6xTVjzBQGuDNeyJMrrJ1byk58vhPm8eY2Lv9pgwanp",
+    "digest": "1a392e7b759fb18e036c7559b5ece816",
+    "sector_size": 68719476736
+  },
+  "v28-empty-sector-update-merkletree-poseidon_hasher-8-8-2-102e1444a7e9a97ebf1e3d6855dcc77e66c011ea66f936d9b2c508f87f2f83a7.vk": {
+    "cid": "Qmd794Jty7k26XJ8Eg4NDEks65Qk8G4GVfGkwqvymv8HAg",
+    "digest": "80e366df2f1011953c2d01c7b7c9ee8e",
+    "sector_size": 68719476736
+  },
  "v28-proof-of-spacetime-fallback-merkletree-poseidon_hasher-8-0-0-0170db1f394b35d995252228ee359194b13199d259380541dc529fb0099096b0.params": {
    "cid": "QmVxjFRyhmyQaZEtCh7nk2abc7LhFkzhnRX4rcHqCCpikR",
    "digest": "7610b9f82bfc88405b7a832b651ce2f6",
@@ -37,7 +37,7 @@ func BuildTypeString() string {
 }

 // BuildVersion is the local build version
-const BuildVersion = "1.15.0-dev"
+const BuildVersion = "1.15.0-rc3"

 func UserVersion() string {
 	if os.Getenv("LOTUS_VERSION_IGNORE_COMMIT") == "1" {
@@ -142,7 +142,7 @@ func (db *DrandBeacon) Entry(ctx context.Context, round uint64) <-chan beacon.Re

 	go func() {
 		start := build.Clock.Now()
-		log.Infow("start fetching randomness", "round", round)
+		log.Debugw("start fetching randomness", "round", round)
 		resp, err := db.client.Get(ctx, round)

 		var br beacon.Response
@@ -152,7 +152,7 @@ func (db *DrandBeacon) Entry(ctx context.Context, round uint64) <-chan beacon.Re
 			br.Entry.Round = resp.Round()
 			br.Entry.Data = resp.Signature()
 		}
-		log.Infow("done fetching randomness", "round", round, "took", build.Clock.Since(start))
+		log.Debugw("done fetching randomness", "round", round, "took", build.Clock.Since(start))
 		out <- br
 		close(out)
 	}()
@@ -165,13 +165,8 @@ func DefaultUpgradeSchedule() stmgr.UpgradeSchedule {
 		Migration: UpgradeActorsV7,
 		PreMigrations: []stmgr.PreMigration{{
 			PreMigration:    PreUpgradeActorsV7,
-			StartWithin:     120,
+			StartWithin:     180,
 			DontStartWithin: 60,
-			StopWithin:      35,
-		}, {
-			PreMigration:    PreUpgradeActorsV7,
-			StartWithin:     30,
-			DontStartWithin: 15,
 			StopWithin:      5,
 		}},
 		Expensive: true,
@@ -1264,7 +1259,7 @@ func upgradeActorsV7Common(
 	root cid.Cid, epoch abi.ChainEpoch, ts *types.TipSet,
 	config nv15.Config,
 ) (cid.Cid, error) {
-	writeStore := blockstore.NewAutobatch(ctx, sm.ChainStore().StateBlockstore(), units.GiB)
+	writeStore := blockstore.NewAutobatch(ctx, sm.ChainStore().StateBlockstore(), units.GiB/4)
 	// TODO: pretty sure we'd achieve nothing by doing this, confirm in review
 	//buf := blockstore.NewTieredBstore(sm.ChainStore().StateBlockstore(), writeStore)
 	store := store.ActorStore(ctx, writeStore)
@@ -1,24 +1,19 @@
 package sub

 import (
-	"bytes"
 	"context"
-	"encoding/binary"
-	"sync"
+	"fmt"
 	"time"

 	address "github.com/filecoin-project/go-address"
-	"github.com/filecoin-project/go-legs/dtsync"
 	"github.com/filecoin-project/lotus/build"
 	"github.com/filecoin-project/lotus/chain"
 	"github.com/filecoin-project/lotus/chain/consensus"
 	"github.com/filecoin-project/lotus/chain/messagepool"
 	"github.com/filecoin-project/lotus/chain/store"
-	"github.com/filecoin-project/lotus/chain/sub/ratelimit"
 	"github.com/filecoin-project/lotus/chain/types"
 	"github.com/filecoin-project/lotus/metrics"
 	"github.com/filecoin-project/lotus/node/impl/client"
-	"github.com/filecoin-project/lotus/node/impl/full"
 	lru "github.com/hashicorp/golang-lru"
 	blocks "github.com/ipfs/go-block-format"
 	bserv "github.com/ipfs/go-blockservice"
@@ -173,12 +168,12 @@ func fetchCids(
 	cidIndex := make(map[cid.Cid]int)
 	for i, c := range cids {
 		if c.Prefix() != msgCidPrefix {
-			return xerrors.Errorf("invalid msg CID: %s", c)
+			return fmt.Errorf("invalid msg CID: %s", c)
 		}
 		cidIndex[c] = i
 	}
 	if len(cids) != len(cidIndex) {
-		return xerrors.Errorf("duplicate CIDs in fetchCids input")
+		return fmt.Errorf("duplicate CIDs in fetchCids input")
 	}

 	for block := range bserv.GetBlocks(ctx, cids) {
@@ -201,7 +196,7 @@ func fetchCids(
 	if len(cidIndex) > 0 {
 		err := ctx.Err()
 		if err == nil {
-			err = xerrors.Errorf("failed to fetch %d messages for unknown reasons", len(cidIndex))
+			err = fmt.Errorf("failed to fetch %d messages for unknown reasons", len(cidIndex))
 		}
 		return err
 	}
@@ -449,168 +444,3 @@ func recordFailure(ctx context.Context, metric *stats.Int64Measure, failureType
 	)
 	stats.Record(ctx, metric.M(1))
 }
-
-type peerMsgInfo struct {
-	peerID    peer.ID
-	lastCid   cid.Cid
-	lastSeqno uint64
-	rateLimit *ratelimit.Window
-	mutex     sync.Mutex
-}
-
-type IndexerMessageValidator struct {
-	self peer.ID
-
-	peerCache *lru.TwoQueueCache
-	chainApi  full.ChainModuleAPI
-	stateApi  full.StateModuleAPI
-}
-
-func NewIndexerMessageValidator(self peer.ID, chainApi full.ChainModuleAPI, stateApi full.StateModuleAPI) *IndexerMessageValidator {
-	peerCache, _ := lru.New2Q(8192)
-
-	return &IndexerMessageValidator{
-		self:      self,
-		peerCache: peerCache,
-		chainApi:  chainApi,
-		stateApi:  stateApi,
-	}
-}
-
-func (v *IndexerMessageValidator) Validate(ctx context.Context, pid peer.ID, msg *pubsub.Message) pubsub.ValidationResult {
-	// This chain-node should not be publishing its own messages.  These are
-	// relayed from market-nodes.  If a node appears to be local, reject it.
-	if pid == v.self {
-		log.Debug("ignoring indexer message from self")
-		stats.Record(ctx, metrics.IndexerMessageValidationFailure.M(1))
-		return pubsub.ValidationIgnore
-	}
-	originPeer := msg.GetFrom()
-	if originPeer == v.self {
-		log.Debug("ignoring indexer message originating from self")
-		stats.Record(ctx, metrics.IndexerMessageValidationFailure.M(1))
-		return pubsub.ValidationIgnore
-	}
-
-	idxrMsg := dtsync.Message{}
-	err := idxrMsg.UnmarshalCBOR(bytes.NewBuffer(msg.Data))
-	if err != nil {
-		log.Errorw("Could not decode indexer pubsub message", "err", err)
-		return pubsub.ValidationReject
-	}
-	if len(idxrMsg.ExtraData) == 0 {
-		log.Debugw("ignoring messsage missing miner id", "peer", originPeer)
-		return pubsub.ValidationIgnore
-	}
-
-	// Get miner info from lotus
-	minerAddr, err := address.NewFromBytes(idxrMsg.ExtraData)
-	if err != nil {
-		log.Warnw("cannot parse extra data as miner address", "err", err, "extraData", idxrMsg.ExtraData)
-		return pubsub.ValidationReject
-	}
-
-	minerID := minerAddr.String()
-	msgCid := idxrMsg.Cid
-
-	var msgInfo *peerMsgInfo
-	val, ok := v.peerCache.Get(minerID)
-	if !ok {
-		msgInfo = &peerMsgInfo{}
-	} else {
-		msgInfo = val.(*peerMsgInfo)
-	}
-
-	// Lock this peer's message info.
-	msgInfo.mutex.Lock()
-	defer msgInfo.mutex.Unlock()
-
-	if ok {
-		// Reject replayed messages.
-		seqno := binary.BigEndian.Uint64(msg.Message.GetSeqno())
-		if seqno <= msgInfo.lastSeqno {
-			log.Debugf("ignoring replayed indexer message")
-			return pubsub.ValidationIgnore
-		}
-		msgInfo.lastSeqno = seqno
-	}
-
-	if !ok || originPeer != msgInfo.peerID {
-		// Check that the miner ID maps to the peer that sent the message.
-		err = v.authenticateMessage(ctx, minerAddr, originPeer)
-		if err != nil {
-			log.Warnw("cannot authenticate messsage", "err", err, "peer", originPeer, "minerID", minerID)
-			stats.Record(ctx, metrics.IndexerMessageValidationFailure.M(1))
-			return pubsub.ValidationReject
-		}
-		msgInfo.peerID = originPeer
-		if !ok {
-			// Add msgInfo to cache only after being authenticated.  If two
-			// messages from the same peer are handled concurrently, there is a
-			// small chance that one msgInfo could replace the other here when
-			// the info is first cached.  This is OK, so no need to prevent it.
-			v.peerCache.Add(minerID, msgInfo)
-		}
-	}
-
-	// See if message needs to be ignored due to rate limiting.
-	if v.rateLimitPeer(msgInfo, msgCid) {
-		return pubsub.ValidationIgnore
-	}
-
-	stats.Record(ctx, metrics.IndexerMessageValidationSuccess.M(1))
-	return pubsub.ValidationAccept
-}
-
-func (v *IndexerMessageValidator) rateLimitPeer(msgInfo *peerMsgInfo, msgCid cid.Cid) bool {
-	const (
-		msgLimit        = 5
-		msgTimeLimit    = 10 * time.Second
-		repeatTimeLimit = 2 * time.Hour
-	)
-
-	timeWindow := msgInfo.rateLimit
-
-	// Check overall message rate.
-	if timeWindow == nil {
-		timeWindow = ratelimit.NewWindow(msgLimit, msgTimeLimit)
-		msgInfo.rateLimit = timeWindow
-	} else if msgInfo.lastCid == msgCid {
-		// Check if this is a repeat of the previous message data.
-		if time.Since(timeWindow.Newest()) < repeatTimeLimit {
-			log.Warnw("ignoring repeated indexer message", "sender", msgInfo.peerID)
-			return true
-		}
-	}
-
-	err := timeWindow.Add()
-	if err != nil {
-		log.Warnw("ignoring indexer message", "sender", msgInfo.peerID, "err", err)
-		return true
-	}
-
-	msgInfo.lastCid = msgCid
-
-	return false
-}
-
-func (v *IndexerMessageValidator) authenticateMessage(ctx context.Context, minerAddress address.Address, peerID peer.ID) error {
-	ts, err := v.chainApi.ChainHead(ctx)
-	if err != nil {
-		return err
-	}
-
-	minerInfo, err := v.stateApi.StateMinerInfo(ctx, minerAddress, ts.Key())
-	if err != nil {
-		return err
-	}
-
-	if minerInfo.PeerId == nil {
-		return xerrors.New("no peer id for miner")
-	}
-	if *minerInfo.PeerId != peerID {
-		return xerrors.New("miner id does not map to peer that sent message")
-	}
-
-	return nil
-}
@@ -2,20 +2,13 @@
 package sub

 import (
-	"bytes"
 	"context"
 	"testing"

-	"github.com/filecoin-project/go-address"
-	"github.com/filecoin-project/go-legs/dtsync"
-	"github.com/filecoin-project/lotus/api/mocks"
+	address "github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/lotus/chain/types"
-	"github.com/golang/mock/gomock"
 	blocks "github.com/ipfs/go-block-format"
 	"github.com/ipfs/go-cid"
-	"github.com/libp2p/go-libp2p-core/peer"
-	pubsub "github.com/libp2p/go-libp2p-pubsub"
-	pb "github.com/libp2p/go-libp2p-pubsub/pb"
 )

 type getter struct {
@@ -70,65 +63,3 @@ func TestFetchCidsWithDedup(t *testing.T) {
 		t.Fatalf("there is a nil message: first %p, last %p", res[0], res[len(res)-1])
 	}
 }
-
-func TestIndexerMessageValidator_Validate(t *testing.T) {
-	validCid, err := cid.Decode("QmbpDgg5kRLDgMxS8vPKNFXEcA6D5MC4CkuUdSWDVtHPGK")
-	if err != nil {
-		t.Fatal(err)
-	}
-	tests := []struct {
-		name           string
-		selfPID        string
-		senderPID      string
-		extraData      []byte
-		wantValidation pubsub.ValidationResult
-	}{
-		{
-			name:           "invalid extra data is rejected",
-			selfPID:        "12D3KooWQiCbqEStCkdqUvr69gQsrp9urYJZUCkzsQXia7mbqbFW",
-			senderPID:      "12D3KooWE8yt84RVwW3sFcd6WMjbUdWrZer2YtT4dmtj3dHdahSZ",
-			extraData:      []byte("f0127896"), // note, casting encoded address to byte is invalid.
-			wantValidation: pubsub.ValidationReject,
-		},
-		{
-			name:           "same sender and receiver is ignored",
-			selfPID:        "12D3KooWQiCbqEStCkdqUvr69gQsrp9urYJZUCkzsQXia7mbqbFW",
-			senderPID:      "12D3KooWQiCbqEStCkdqUvr69gQsrp9urYJZUCkzsQXia7mbqbFW",
-			wantValidation: pubsub.ValidationIgnore,
-		},
-	}
-	for _, tc := range tests {
-		tc := tc
-		t.Run(tc.name, func(t *testing.T) {
-			mc := gomock.NewController(t)
-			node := mocks.NewMockFullNode(mc)
-			subject := NewIndexerMessageValidator(peer.ID(tc.selfPID), node, node)
-			message := dtsync.Message{
-				Cid:       validCid,
-				Addrs:     nil,
-				ExtraData: tc.extraData,
-			}
-			buf := bytes.NewBuffer(nil)
-			if err := message.MarshalCBOR(buf); err != nil {
-				t.Fatal(err)
-			}
-
-			topic := "topic"
-			pbm := &pb.Message{
-				Data:  buf.Bytes(),
-				Topic: &topic,
-				From:  nil,
-				Seqno: nil,
-			}
-			validate := subject.Validate(context.Background(), peer.ID(tc.senderPID), &pubsub.Message{
-				Message:       pbm,
-				ReceivedFrom:  peer.ID(tc.senderPID),
-				ValidatorData: nil,
-			})
-
-			if validate != tc.wantValidation {
-				t.Fatalf("expected %v but got %v", tc.wantValidation, validate)
-			}
-		})
-	}
-}
@@ -1,89 +0,0 @@
-package ratelimit
-
-import "errors"
-
-var ErrRateLimitExceeded = errors.New("rate limit exceeded")
-
-type queue struct {
-	buf   []int64
-	count int
-	head  int
-	tail  int
-}
-
-// cap returns the queue capacity
-func (q *queue) cap() int {
-	return len(q.buf)
-}
-
-// len returns the number of items in the queue
-func (q *queue) len() int {
-	return q.count
-}
-
-// push adds an element to the end of the queue.
-func (q *queue) push(elem int64) error {
-	if q.count == len(q.buf) {
-		return ErrRateLimitExceeded
-	}
-
-	q.buf[q.tail] = elem
-	// Calculate new tail position.
-	q.tail = q.next(q.tail)
-	q.count++
-	return nil
-}
-
-// pop removes and returns the element from the front of the queue.
-func (q *queue) pop() int64 {
-	if q.count <= 0 {
-		panic("pop from empty queue")
-	}
-	ret := q.buf[q.head]
-
-	// Calculate new head position.
-	q.head = q.next(q.head)
-	q.count--
-
-	return ret
-}
-
-// front returns the element at the front of the queue.  This is the element
-// that would be returned by pop().  This call panics if the queue is empty.
-func (q *queue) front() int64 {
-	if q.count <= 0 {
-		panic("front() called when empty")
-	}
-	return q.buf[q.head]
-}
-
-// back returns the element at the back of the queue.  This call panics if the
-// queue is empty.
-func (q *queue) back() int64 {
-	if q.count <= 0 {
-		panic("back() called when empty")
-	}
-	return q.buf[q.prev(q.tail)]
-}
-
-// prev returns the previous buffer position wrapping around buffer.
-func (q *queue) prev(i int) int {
-	if i == 0 {
-		return len(q.buf) - 1
-	}
-	return (i - 1) % len(q.buf)
-}
-
-// next returns the next buffer position wrapping around buffer.
-func (q *queue) next(i int) int {
-	return (i + 1) % len(q.buf)
-}
-
-// truncate pops values that are less than or equal the specified threshold.
-func (q *queue) truncate(threshold int64) {
-	for q.count != 0 && q.buf[q.head] <= threshold {
-		// pop() without returning a value
-		q.head = q.next(q.head)
-		q.count--
-	}
-}
@@ -1,70 +0,0 @@
-package ratelimit
-
-import "time"
-
-// Window is a time windows for counting events within a span of time.  The
-// windows slides forward in time so that it spans from the most recent event
-// to size time in the past.
-type Window struct {
-	q    *queue
-	size int64
-}
-
-// NewWindow creates a new Window that limits the number of events to maximum
-// count of events within a duration of time.  The capacity sets the maximum
-// number of events, and size sets the span of time over which the events are
-// counted.
-func NewWindow(capacity int, size time.Duration) *Window {
-	return &Window{
-		q: &queue{
-			buf: make([]int64, capacity),
-		},
-		size: int64(size),
-	}
-}
-
-// Add attempts to append a new timestamp into the current window.  Previously
-// added values that are not not within `size` difference from the value being
-// added are first removed.  Add fails if adding the value would cause the
-// window to exceed capacity.
-func (w *Window) Add() error {
-	now := time.Now().UnixNano()
-	if w.Len() != 0 {
-		w.q.truncate(now - w.size)
-	}
-	return w.q.push(now)
-}
-
-// Cap returns the maximum number of items the window can hold.
-func (w *Window) Cap() int {
-	return w.q.cap()
-}
-
-// Len returns the number of elements currently in the window.
-func (w *Window) Len() int {
-	return w.q.len()
-}
-
-// Span returns the distance from the first to the last item in the window.
-func (w *Window) Span() time.Duration {
-	if w.q.len() < 2 {
-		return 0
-	}
-	return time.Duration(w.q.back() - w.q.front())
-}
-
-// Oldest returns the oldest timestamp in the window.
-func (w *Window) Oldest() time.Time {
-	if w.q.len() == 0 {
-		return time.Time{}
-	}
-	return time.Unix(0, w.q.front())
-}
-
-// Newest returns the newest timestamp in the window.
-func (w *Window) Newest() time.Time {
-	if w.q.len() == 0 {
-		return time.Time{}
-	}
-	return time.Unix(0, w.q.back())
-}
@@ -1,61 +0,0 @@
-package ratelimit
-
-import (
-	"testing"
-	"time"
-)
-
-func TestWindow(t *testing.T) {
-	const (
-		maxEvents = 3
-		timeLimit = 100 * time.Millisecond
-	)
-	w := NewWindow(maxEvents, timeLimit)
-	if w.Len() != 0 {
-		t.Fatal("q.Len() =", w.Len(), "expect 0")
-	}
-	if w.Cap() != maxEvents {
-		t.Fatal("q.Cap() =", w.Cap(), "expect 3")
-	}
-	if !w.Newest().IsZero() {
-		t.Fatal("expected newest to be zero time with empty window")
-	}
-	if !w.Oldest().IsZero() {
-		t.Fatal("expected oldest to be zero time with empty window")
-	}
-	if w.Span() != 0 {
-		t.Fatal("expected span to be zero time with empty window")
-	}
-
-	var err error
-	for i := 0; i < maxEvents; i++ {
-		err = w.Add()
-		if err != nil {
-			t.Fatalf("cannot add event %d", i)
-		}
-	}
-	if w.Len() != maxEvents {
-		t.Fatalf("q.Len() is %d, expected %d", w.Len(), maxEvents)
-	}
-	if err = w.Add(); err != ErrRateLimitExceeded {
-		t.Fatalf("add event %d within time limit should have failed with err: %s", maxEvents+1, ErrRateLimitExceeded)
-	}
-
-	time.Sleep(timeLimit)
-	if err = w.Add(); err != nil {
-		t.Fatalf("cannot add event after time limit: %s", err)
-	}
-
-	prev := w.Newest()
-	time.Sleep(timeLimit)
-	err = w.Add()
-	if err != nil {
-		t.Fatalf("cannot add event")
-	}
-	if w.Newest().Before(prev) {
-		t.Fatal("newest is before previous value")
-	}
-	if w.Oldest().Before(prev) {
-		t.Fatal("oldest is before previous value")
-	}
-}
@@ -104,7 +104,7 @@ func prepSyncTest(t testing.TB, h int) *syncTestUtil {
 		ctx:    ctx,
 		cancel: cancel,

-		mn: mocknet.New(),
+		mn: mocknet.New(ctx),
 		g:  g,
 		us: filcns.DefaultUpgradeSchedule(),
 	}
@@ -158,7 +158,7 @@ func prepSyncTestWithV5Height(t testing.TB, h int, v5height abi.ChainEpoch) *syn
 		ctx:    ctx,
 		cancel: cancel,

-		mn: mocknet.New(),
+		mn: mocknet.New(ctx),
 		g:  g,
 		us: sched,
 	}
@@ -36,11 +36,6 @@ var NetCmd = &cli.Command{
 		NetReachability,
 		NetBandwidthCmd,
 		NetBlockCmd,
-		NetStatCmd,
-		NetLimitCmd,
-		NetProtectAdd,
-		NetProtectRemove,
-		NetProtectList,
 	},
 }

@@ -611,208 +606,3 @@ var NetBlockListCmd = &cli.Command{
 		return nil
 	},
 }
-
-var NetStatCmd = &cli.Command{
-	Name:      "stat",
-	Usage:     "Report resource usage for a scope",
-	ArgsUsage: "scope",
-	Description: `Report resource usage for a scope.
-
-  The scope can be one of the following:
-  - system        -- reports the system aggregate resource usage.
-  - transient     -- reports the transient resource usage.
-  - svc:<service> -- reports the resource usage of a specific service.
-  - proto:<proto> -- reports the resource usage of a specific protocol.
-  - peer:<peer>   -- reports the resource usage of a specific peer.
-  - all           -- reports the resource usage for all currently active scopes.
-`,
-	Action: func(cctx *cli.Context) error {
-		api, closer, err := GetAPI(cctx)
-		if err != nil {
-			return err
-		}
-		defer closer()
-		ctx := ReqContext(cctx)
-
-		args := cctx.Args().Slice()
-		if len(args) != 1 {
-			return xerrors.Errorf("must specify exactly one scope")
-		}
-		scope := args[0]
-
-		result, err := api.NetStat(ctx, scope)
-		if err != nil {
-			return err
-		}
-
-		enc := json.NewEncoder(os.Stdout)
-		return enc.Encode(result)
-	},
-}
-
-var NetLimitCmd = &cli.Command{
-	Name:      "limit",
-	Usage:     "Get or set resource limits for a scope",
-	ArgsUsage: "scope [limit]",
-	Description: `Get or set resource limits for a scope.
-
-  The scope can be one of the following:
-  - system        -- reports the system aggregate resource usage.
-  - transient     -- reports the transient resource usage.
-  - svc:<service> -- reports the resource usage of a specific service.
-  - proto:<proto> -- reports the resource usage of a specific protocol.
-  - peer:<peer>   -- reports the resource usage of a specific peer.
-
- The limit is json-formatted, with the same structure as the limits file.
-`,
-	Flags: []cli.Flag{
-		&cli.BoolFlag{
-			Name:  "set",
-			Usage: "set the limit for a scope",
-		},
-	},
-	Action: func(cctx *cli.Context) error {
-		api, closer, err := GetAPI(cctx)
-		if err != nil {
-			return err
-		}
-		defer closer()
-		ctx := ReqContext(cctx)
-		args := cctx.Args().Slice()
-
-		if cctx.Bool("set") {
-			if len(args) != 2 {
-				return xerrors.Errorf("must specify exactly a scope and a limit")
-			}
-			scope := args[0]
-			limitStr := args[1]
-
-			var limit atypes.NetLimit
-			err := json.Unmarshal([]byte(limitStr), &limit)
-			if err != nil {
-				return xerrors.Errorf("error decoding limit: %w", err)
-			}
-
-			return api.NetSetLimit(ctx, scope, limit)
-
-		}
-
-		if len(args) != 1 {
-			return xerrors.Errorf("must specify exactly one scope")
-		}
-		scope := args[0]
-
-		result, err := api.NetLimit(ctx, scope)
-		if err != nil {
-			return err
-		}
-
-		enc := json.NewEncoder(os.Stdout)
-		return enc.Encode(result)
-	},
-}
-
-var NetProtectAdd = &cli.Command{
-	Name:      "protect",
-	Usage:     "Add one or more peer IDs to the list of protected peer connections",
-	ArgsUsage: "<peer-id> [<peer-id>...]",
-	Action: func(cctx *cli.Context) error {
-		api, closer, err := GetAPI(cctx)
-		if err != nil {
-			return err
-		}
-		defer closer()
-		ctx := ReqContext(cctx)
-
-		pids, err := decodePeerIDsFromArgs(cctx)
-		if err != nil {
-			return err
-		}
-
-		err = api.NetProtectAdd(ctx, pids)
-		if err != nil {
-			return err
-		}
-
-		fmt.Println("added to protected peers:")
-		for _, pid := range pids {
-			fmt.Printf(" %s\n", pid)
-		}
-		return nil
-	},
-}
-
-var NetProtectRemove = &cli.Command{
-	Name:      "unprotect",
-	Usage:     "Remove one or more peer IDs from the list of protected peer connections.",
-	ArgsUsage: "<peer-id> [<peer-id>...]",
-	Action: func(cctx *cli.Context) error {
-		api, closer, err := GetAPI(cctx)
-		if err != nil {
-			return err
-		}
-		defer closer()
-		ctx := ReqContext(cctx)
-
-		pids, err := decodePeerIDsFromArgs(cctx)
-		if err != nil {
-			return err
-		}
-
-		err = api.NetProtectRemove(ctx, pids)
-		if err != nil {
-			return err
-		}
-
-		fmt.Printf("removed from protected peers:")
-		for _, pid := range pids {
-			fmt.Printf(" %s\n", pid)
-		}
-		return nil
-	},
-}
-
-// decodePeerIDsFromArgs decodes all the arguments present in cli.Context.Args as peer.ID.
-//
-// This function requires at least one argument to be present, and arguments must not be empty
-// string. Otherwise, an error is returned.
-func decodePeerIDsFromArgs(cctx *cli.Context) ([]peer.ID, error) {
-	pidArgs := cctx.Args().Slice()
-	if len(pidArgs) == 0 {
-		return nil, xerrors.Errorf("must specify at least one peer ID as an argument")
-	}
-	var pids []peer.ID
-	for _, pidStr := range pidArgs {
-		if pidStr == "" {
-			return nil, xerrors.Errorf("peer ID must not be empty")
-		}
-		pid, err := peer.Decode(pidStr)
-		if err != nil {
-			return nil, err
-		}
-		pids = append(pids, pid)
-	}
-	return pids, nil
-}
-
-var NetProtectList = &cli.Command{
-	Name:  "list-protected",
-	Usage: "List the peer IDs with protected connection.",
-	Action: func(cctx *cli.Context) error {
-		api, closer, err := GetAPI(cctx)
-		if err != nil {
-			return err
-		}
-		defer closer()
-		ctx := ReqContext(cctx)
-		pids, err := api.NetProtectList(ctx)
-		if err != nil {
-			return err
-		}
-
-		for _, pid := range pids {
-			fmt.Printf("%s\n", pid)
-		}
-		return nil
-	},
-}
@@ -276,6 +276,13 @@ var sealBenchCmd = &cli.Command{
 			if err != nil {
 				return xerrors.Errorf("failed to run seals: %w", err)
 			}
+			for _, s := range extendedSealedSectors {
+				sealedSectors = append(sealedSectors, proof.SectorInfo{
+					SealedCID:    s.SealedCID,
+					SectorNumber: s.SectorNumber,
+					SealProof:    s.SealProof,
+				})
+			}
 		} else {
 			// TODO: implement sbfs.List() and use that for all cases (preexisting sectorbuilder or not)

@@ -4,9 +4,7 @@ import (
 	"fmt"
 	"os"

-	"github.com/dustin/go-humanize"
 	"github.com/fatih/color"
-	"github.com/ipfs/go-cid"
 	"github.com/urfave/cli/v2"

 	"github.com/filecoin-project/lotus/api"
@@ -23,8 +21,6 @@ var dagstoreCmd = &cli.Command{
 		dagstoreRecoverShardCmd,
 		dagstoreInitializeAllCmd,
 		dagstoreGcCmd,
-		dagstorePieceIndexSizeCmd,
-		dagstoreLookupPiecesCmd,
 	},
 }

@@ -56,7 +52,38 @@ var dagstoreListShardsCmd = &cli.Command{
 			return err
 		}

-		return printTableShards(shards)
+		if len(shards) == 0 {
+			return nil
+		}
+
+		tw := tablewriter.New(
+			tablewriter.Col("Key"),
+			tablewriter.Col("State"),
+			tablewriter.Col("Error"),
+		)
+
+		colors := map[string]color.Attribute{
+			"ShardStateAvailable": color.FgGreen,
+			"ShardStateServing":   color.FgBlue,
+			"ShardStateErrored":   color.FgRed,
+			"ShardStateNew":       color.FgYellow,
+		}
+
+		for _, s := range shards {
+			m := map[string]interface{}{
+				"Key": s.Key,
+				"State": func() string {
+					if c, ok := colors[s.State]; ok {
+						return color.New(c).Sprint(s.State)
+					}
+					return s.State
+				}(),
+				"Error": s.Error,
+			}
+			tw.Write(m)
+		}
+
+		return tw.Flush(os.Stdout)
 	},
 }

@@ -238,114 +265,3 @@ var dagstoreGcCmd = &cli.Command{
 		return nil
 	},
 }
-
-func printTableShards(shards []api.DagstoreShardInfo) error {
-	if len(shards) == 0 {
-		return nil
-	}
-
-	tw := tablewriter.New(
-		tablewriter.Col("Key"),
-		tablewriter.Col("State"),
-		tablewriter.Col("Error"),
-	)
-
-	colors := map[string]color.Attribute{
-		"ShardStateAvailable": color.FgGreen,
-		"ShardStateServing":   color.FgBlue,
-		"ShardStateErrored":   color.FgRed,
-		"ShardStateNew":       color.FgYellow,
-	}
-
-	for _, s := range shards {
-		m := map[string]interface{}{
-			"Key": s.Key,
-			"State": func() string {
-				if c, ok := colors[s.State]; ok {
-					return color.New(c).Sprint(s.State)
-				}
-				return s.State
-			}(),
-			"Error": s.Error,
-		}
-		tw.Write(m)
-	}
-	return tw.Flush(os.Stdout)
-}
-
-var dagstorePieceIndexSizeCmd = &cli.Command{
-	Name:  "piece-index-size",
-	Usage: "Inspect the dagstore piece index size",
-	Flags: []cli.Flag{
-		&cli.BoolFlag{
-			Name:        "color",
-			Usage:       "use color in display output",
-			DefaultText: "depends on output being a TTY",
-		},
-	},
-	Action: func(cctx *cli.Context) error {
-		if cctx.IsSet("color") {
-			color.NoColor = !cctx.Bool("color")
-		}
-
-		marketsApi, closer, err := lcli.GetMarketsAPI(cctx)
-		if err != nil {
-			return err
-		}
-		defer closer()
-
-		ctx := lcli.ReqContext(cctx)
-
-		size, err := marketsApi.DagstorePieceIndexSize(ctx)
-		if err != nil {
-			return err
-		}
-
-		fmt.Println(humanize.Bytes(uint64(size)))
-
-		return nil
-	},
-}
-
-var dagstoreLookupPiecesCmd = &cli.Command{
-	Name:      "lookup-pieces",
-	Usage:     "Lookup pieces that a given CID belongs to",
-	ArgsUsage: "<cid>",
-	Flags: []cli.Flag{
-		&cli.BoolFlag{
-			Name:        "color",
-			Usage:       "use color in display output",
-			DefaultText: "depends on output being a TTY",
-		},
-	},
-	Action: func(cctx *cli.Context) error {
-		if cctx.IsSet("color") {
-			color.NoColor = !cctx.Bool("color")
-		}
-
-		if cctx.NArg() != 1 {
-			return fmt.Errorf("must provide a CID")
-		}
-
-		cidStr := cctx.Args().First()
-		cid, err := cid.Parse(cidStr)
-		if err != nil {
-			return fmt.Errorf("invalid CID: %w", err)
-		}
-
-		marketsApi, closer, err := lcli.GetMarketsAPI(cctx)
-		if err != nil {
-			return err
-		}
-		defer closer()
-
-		ctx := lcli.ReqContext(cctx)
-
-		shards, err := marketsApi.DagstoreLookupPieces(ctx, cid)
-		if err != nil {
-			return err
-		}
-
-		return printTableShards(shards)
-	},
-}
@@ -1,86 +0,0 @@
-package main
-
-import (
-	"fmt"
-
-	"github.com/ipfs/go-cid"
-
-	"github.com/fatih/color"
-	"github.com/urfave/cli/v2"
-
-	lcli "github.com/filecoin-project/lotus/cli"
-)
-
-var indexProvCmd = &cli.Command{
-	Name:  "index",
-	Usage: "Manage the index provider on the markets subsystem",
-	Subcommands: []*cli.Command{
-		indexProvAnnounceCmd,
-		indexProvAnnounceAllCmd,
-	},
-}
-
-var indexProvAnnounceCmd = &cli.Command{
-	Name:      "announce",
-	ArgsUsage: "<deal proposal cid>",
-	Usage:     "Announce a deal to indexers so they can download its index",
-	Flags: []cli.Flag{
-		&cli.BoolFlag{
-			Name:        "color",
-			Usage:       "use color in display output",
-			DefaultText: "depends on output being a TTY",
-		},
-	},
-	Action: func(cctx *cli.Context) error {
-		if cctx.IsSet("color") {
-			color.NoColor = !cctx.Bool("color")
-		}
-
-		if cctx.NArg() != 1 {
-			return fmt.Errorf("must provide the deal proposal CID")
-		}
-
-		proposalCidStr := cctx.Args().First()
-		proposalCid, err := cid.Parse(proposalCidStr)
-		if err != nil {
-			return fmt.Errorf("invalid deal proposal CID: %w", err)
-		}
-
-		marketsApi, closer, err := lcli.GetMarketsAPI(cctx)
-		if err != nil {
-			return err
-		}
-		defer closer()
-
-		ctx := lcli.ReqContext(cctx)
-
-		return marketsApi.IndexerAnnounceDeal(ctx, proposalCid)
-	},
-}
-
-var indexProvAnnounceAllCmd = &cli.Command{
-	Name:  "announce-all",
-	Usage: "Announce all active deals to indexers so they can download its indices",
-	Flags: []cli.Flag{
-		&cli.BoolFlag{
-			Name:        "color",
-			Usage:       "use color in display output",
-			DefaultText: "depends on output being a TTY",
-		},
-	},
-	Action: func(cctx *cli.Context) error {
-		if cctx.IsSet("color") {
-			color.NoColor = !cctx.Bool("color")
-		}
-
-		marketsApi, closer, err := lcli.GetMarketsAPI(cctx)
-		if err != nil {
-			return err
-		}
-		defer closer()
-
-		ctx := lcli.ReqContext(cctx)
-
-		return marketsApi.IndexerAnnounceAllDeals(ctx)
-	},
-}
@@ -466,6 +466,7 @@ var stateOrder = map[sealing.SectorState]stateMeta{}
 var stateList = []stateMeta{
 	{col: 39, state: "Total"},
 	{col: color.FgGreen, state: sealing.Proving},
+	{col: color.FgGreen, state: sealing.UpdateActivating},

 	{col: color.FgBlue, state: sealing.Empty},
 	{col: color.FgBlue, state: sealing.WaitDeals},
@@ -496,6 +497,7 @@ var stateList = []stateMeta{
 	{col: color.FgYellow, state: sealing.SubmitReplicaUpdate},
 	{col: color.FgYellow, state: sealing.ReplicaUpdateWait},
 	{col: color.FgYellow, state: sealing.FinalizeReplicaUpdate},
+	{col: color.FgYellow, state: sealing.ReleaseSectorKey},

 	{col: color.FgCyan, state: sealing.Terminating},
 	{col: color.FgCyan, state: sealing.TerminateWait},
@@ -524,6 +526,8 @@ var stateList = []stateMeta{
 	{col: color.FgRed, state: sealing.SnapDealsAddPieceFailed},
 	{col: color.FgRed, state: sealing.SnapDealsDealsExpired},
 	{col: color.FgRed, state: sealing.ReplicaUpdateFailed},
+	{col: color.FgRed, state: sealing.ReleaseSectorKeyFailed},
+	{col: color.FgRed, state: sealing.FinalizeReplicaUpdateFailed},
 }

 func init() {
@@ -467,12 +467,15 @@ func storageMinerInit(ctx context.Context, cctx *cli.Context, api v1api.FullNode
 			stor := stores.NewRemote(lstor, si, http.Header(sa), 10, &stores.DefaultPartialFileHandler{})

 			smgr, err := sectorstorage.New(ctx, lstor, stor, lr, si, sectorstorage.SealerConfig{
-				ParallelFetchLimit: 10,
-				AllowAddPiece:      true,
-				AllowPreCommit1:    true,
-				AllowPreCommit2:    true,
-				AllowCommit:        true,
-				AllowUnseal:        true,
+				ParallelFetchLimit:       10,
+				AllowAddPiece:            true,
+				AllowPreCommit1:          true,
+				AllowPreCommit2:          true,
+				AllowCommit:              true,
+				AllowUnseal:              true,
+				AllowReplicaUpdate:       true,
+				AllowProveReplicaUpdate2: true,
+				AllowRegenSectorKey:      true,
 			}, wsts, smsts)
 			if err != nil {
 				return err
@@ -48,7 +48,6 @@ func main() {
 		lcli.WithCategory("market", retrievalDealsCmd),
 		lcli.WithCategory("market", dataTransfersCmd),
 		lcli.WithCategory("market", dagstoreCmd),
-		lcli.WithCategory("market", indexProvCmd),
 		lcli.WithCategory("storage", sectorsCmd),
 		lcli.WithCategory("storage", provingCmd),
 		lcli.WithCategory("storage", storageCmd),
@@ -437,6 +437,7 @@ var provingCheckProvableCmd = &cli.Command{
 			}

 			var tocheck []storage.SectorRef
+			var update []bool
 			for _, info := range sectorInfos {
 				si := abi.SectorID{
 					Miner:  abi.ActorID(mid),
@@ -454,9 +455,10 @@ var provingCheckProvableCmd = &cli.Command{
 					ProofType: info.SealProof,
 					ID:        si,
 				})
+				update = append(update, info.SectorKeyCID != nil)
 			}

-			bad, err := sapi.CheckProvable(ctx, info.WindowPoStProofType, tocheck, cctx.Bool("slow"))
+			bad, err := sapi.CheckProvable(ctx, info.WindowPoStProofType, tocheck, update, cctx.Bool("slow"))
 			if err != nil {
 				return err
 			}
@@ -55,6 +55,7 @@ var sectorsCmd = &cli.Command{
 		sectorsTerminateCmd,
 		sectorsRemoveCmd,
 		sectorsSnapUpCmd,
+		sectorsSnapAbortCmd,
 		sectorsMarkForUpgradeCmd,
 		sectorsStartSealCmd,
 		sectorsSealDelayCmd,
@@ -1520,6 +1521,43 @@ var sectorsSnapUpCmd = &cli.Command{
 	},
 }

+var sectorsSnapAbortCmd = &cli.Command{
+	Name:      "abort-upgrade",
+	Usage:     "Abort the attempted (SnapDeals) upgrade of a CC sector, reverting it to as before",
+	ArgsUsage: "<sectorNum>",
+	Flags: []cli.Flag{
+		&cli.BoolFlag{
+			Name:  "really-do-it",
+			Usage: "pass this flag if you know what you are doing",
+		},
+	},
+	Action: func(cctx *cli.Context) error {
+		if cctx.Args().Len() != 1 {
+			return lcli.ShowHelp(cctx, xerrors.Errorf("must pass sector number"))
+		}
+
+		really := cctx.Bool("really-do-it")
+		if !really {
+			//nolint:golint
+			return fmt.Errorf("--really-do-it must be specified for this action to have an effect; you have been warned")
+		}
+
+		nodeApi, closer, err := lcli.GetStorageMinerAPI(cctx)
+		if err != nil {
+			return err
+		}
+		defer closer()
+		ctx := lcli.ReqContext(cctx)
+
+		id, err := strconv.ParseUint(cctx.Args().Get(0), 10, 64)
+		if err != nil {
+			return xerrors.Errorf("could not parse sector number: %w", err)
+		}
+
+		return nodeApi.SectorAbortUpgrade(ctx, abi.SectorNumber(id))
+	},
+}
+
 var sectorsMarkForUpgradeCmd = &cli.Command{
 	Name:      "mark-for-upgrade",
 	Usage:     "Mark a committed capacity sector for replacement by a sector with deals",
@@ -173,6 +173,11 @@ var runCmd = &cli.Command{
 			Usage: "enable prove replica update 2",
 			Value: true,
 		},
+		&cli.BoolFlag{
+			Name:  "regen-sector-key",
+			Usage: "enable regen sector key",
+			Value: true,
+		},
 		&cli.IntFlag{
 			Name:  "parallel-fetch-limit",
 			Usage: "maximum fetch operations to run in parallel",
@@ -261,7 +266,7 @@ var runCmd = &cli.Command{

 		var taskTypes []sealtasks.TaskType

-		taskTypes = append(taskTypes, sealtasks.TTFetch, sealtasks.TTCommit1, sealtasks.TTProveReplicaUpdate1, sealtasks.TTFinalize)
+		taskTypes = append(taskTypes, sealtasks.TTFetch, sealtasks.TTCommit1, sealtasks.TTProveReplicaUpdate1, sealtasks.TTFinalize, sealtasks.TTFinalizeReplicaUpdate)

 		if cctx.Bool("addpiece") {
 			taskTypes = append(taskTypes, sealtasks.TTAddPiece)
@@ -278,12 +283,15 @@ var runCmd = &cli.Command{
 		if cctx.Bool("commit") {
 			taskTypes = append(taskTypes, sealtasks.TTCommit2)
 		}
-		if cctx.Bool("replicaupdate") {
+		if cctx.Bool("replica-update") {
 			taskTypes = append(taskTypes, sealtasks.TTReplicaUpdate)
 		}
 		if cctx.Bool("prove-replica-update2") {
 			taskTypes = append(taskTypes, sealtasks.TTProveReplicaUpdate2)
 		}
+		if cctx.Bool("regen-sector-key") {
+			taskTypes = append(taskTypes, sealtasks.TTRegenSectorKey)
+		}

 		if len(taskTypes) == 0 {
 			return xerrors.Errorf("no task types specified")
@@ -22,11 +22,14 @@ var tasksCmd = &cli.Command{
 }

 var allowSetting = map[sealtasks.TaskType]struct{}{
-	sealtasks.TTAddPiece:   {},
-	sealtasks.TTPreCommit1: {},
-	sealtasks.TTPreCommit2: {},
-	sealtasks.TTCommit2:    {},
-	sealtasks.TTUnseal:     {},
+	sealtasks.TTAddPiece:            {},
+	sealtasks.TTPreCommit1:          {},
+	sealtasks.TTPreCommit2:          {},
+	sealtasks.TTCommit2:             {},
+	sealtasks.TTUnseal:              {},
+	sealtasks.TTReplicaUpdate:       {},
+	sealtasks.TTProveReplicaUpdate2: {},
+	sealtasks.TTRegenSectorKey:      {},
 }

 var settableStr = func() string {
@@ -4,10 +4,12 @@ import (
 	"encoding/json"
 	corebig "math/big"
 	"os"
+	"strconv"

 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
 	filbig "github.com/filecoin-project/go-state-types/big"
+	"github.com/filecoin-project/lotus/chain/types"
 	lcli "github.com/filecoin-project/lotus/cli"
 	"github.com/ipfs/go-cid"
 	"github.com/urfave/cli/v2"
@@ -22,29 +24,50 @@ type networkTotalsOutput struct {
 	Payload  networkTotals `json:"payload"`
 }

-type networkTotals struct {
-	QaNetworkPower       filbig.Int `json:"total_qa_power"`
-	RawNetworkPower      filbig.Int `json:"total_raw_capacity"`
-	CapacityCarryingData float64    `json:"capacity_fraction_carrying_data"`
-	UniqueCids           int        `json:"total_unique_cids"`
-	UniqueProviders      int        `json:"total_unique_providers"`
-	UniqueClients        int        `json:"total_unique_clients"`
+type providerMeta struct {
+	nonidentifiable bool
+}
+
+// force formatting as decimal to aid human readers
+type humanFloat float64
+
+func (f humanFloat) MarshalJSON() ([]byte, error) {
+	// 'f' uses decimal digits without exponents.
+	// The bit size of 32 ensures we don't use too many decimal places.
+	return []byte(strconv.FormatFloat(float64(f), 'f', -1, 32)), nil
+}
+
+type Totals struct {
 	TotalDeals           int        `json:"total_num_deals"`
 	TotalBytes           int64      `json:"total_stored_data_size"`
-	FilplusTotalDeals    int        `json:"filplus_total_num_deals"`
-	FilplusTotalBytes    int64      `json:"filplus_total_stored_data_size"`
+	PrivateTotalDeals    int        `json:"private_total_num_deals"`
+	PrivateTotalBytes    int64      `json:"private_total_stored_data_size"`
+	CapacityCarryingData humanFloat `json:"capacity_fraction_carrying_data"`
+}

-	seenClient   map[address.Address]bool
-	seenProvider map[address.Address]bool
-	seenPieceCid map[cid.Cid]bool
+type networkTotals struct {
+	QaNetworkPower         filbig.Int `json:"total_qa_power"`
+	RawNetworkPower        filbig.Int `json:"total_raw_capacity"`
+	UniqueCids             int        `json:"total_unique_cids"`
+	UniqueBytes            int64      `json:"total_unique_data_size"`
+	UniqueClients          int        `json:"total_unique_clients"`
+	UniqueProviders        int        `json:"total_unique_providers"`
+	UniquePrivateProviders int        `json:"total_unique_private_providers"`
+	Totals
+	FilPlus Totals `json:"filecoin_plus_subset"`
+
+	pieces    map[cid.Cid]struct{}
+	clients   map[address.Address]struct{}
+	providers map[address.Address]providerMeta
 }

 var storageStatsCmd = &cli.Command{
 	Name:  "storage-stats",
 	Usage: "Translates current lotus state into a json summary suitable for driving https://storage.filecoin.io/",
 	Flags: []cli.Flag{
-		&cli.Int64Flag{
-			Name: "height",
+		&cli.StringFlag{
+			Name:  "tipset",
+			Usage: "Comma separated array of cids, or @height",
 		},
 	},
 	Action: func(cctx *cli.Context) error {
@@ -56,22 +79,24 @@ var storageStatsCmd = &cli.Command{
 		}
 		defer apiCloser()

-		head, err := api.ChainHead(ctx)
-		if err != nil {
-			return err
-		}
-
-		requestedHeight := cctx.Int64("height")
-		if requestedHeight > 0 {
-			head, err = api.ChainGetTipSetByHeight(ctx, abi.ChainEpoch(requestedHeight), head.Key())
+		var ts *types.TipSet
+		if cctx.String("tipset") == "" {
+			ts, err = api.ChainHead(ctx)
+			if err != nil {
+				return err
+			}
+			ts, err = api.ChainGetTipSetByHeight(ctx, ts.Height()-defaultEpochLookback, ts.Key())
+			if err != nil {
+				return err
+			}
 		} else {
-			head, err = api.ChainGetTipSetByHeight(ctx, head.Height()-defaultEpochLookback, head.Key())
-		}
-		if err != nil {
-			return err
+			ts, err = lcli.ParseTipSetRef(ctx, api, cctx.String("tipset"))
+			if err != nil {
+				return err
+			}
 		}

-		power, err := api.StateMinerPower(ctx, address.Address{}, head.Key())
+		power, err := api.StateMinerPower(ctx, address.Address{}, ts.Key())
 		if err != nil {
 			return err
 		}
@@ -79,12 +104,12 @@ var storageStatsCmd = &cli.Command{
 		netTotals := networkTotals{
 			QaNetworkPower:  power.TotalPower.QualityAdjPower,
 			RawNetworkPower: power.TotalPower.RawBytePower,
-			seenClient:      make(map[address.Address]bool),
-			seenProvider:    make(map[address.Address]bool),
-			seenPieceCid:    make(map[cid.Cid]bool),
+			pieces:          make(map[cid.Cid]struct{}),
+			clients:         make(map[address.Address]struct{}),
+			providers:       make(map[address.Address]providerMeta),
 		}

-		deals, err := api.StateMarketDeals(ctx, head.Key())
+		deals, err := api.StateMarketDeals(ctx, ts.Key())
 		if err != nil {
 			return err
 		}
@@ -94,35 +119,76 @@ var storageStatsCmd = &cli.Command{
 			// Only count deals that have properly started, not past/future ones
 			// https://github.com/filecoin-project/specs-actors/blob/v0.9.9/actors/builtin/market/deal.go#L81-L85
 			// Bail on 0 as well in case SectorStartEpoch is uninitialized due to some bug
+			//
+			// Additionally if the SlashEpoch is set this means the underlying sector is
+			// terminated for whatever reason ( not just slashed ), and the deal record
+			// will soon be removed from the state entirely
 			if dealInfo.State.SectorStartEpoch <= 0 ||
-				dealInfo.State.SectorStartEpoch > head.Height() {
+				dealInfo.State.SectorStartEpoch > ts.Height() ||
+				dealInfo.State.SlashEpoch > -1 {
 				continue
 			}

-			netTotals.seenClient[dealInfo.Proposal.Client] = true
+			netTotals.clients[dealInfo.Proposal.Client] = struct{}{}
+
+			if _, seen := netTotals.providers[dealInfo.Proposal.Provider]; !seen {
+				pm := providerMeta{}
+
+				mi, err := api.StateMinerInfo(ctx, dealInfo.Proposal.Provider, ts.Key())
+				if err != nil {
+					return err
+				}
+
+				if mi.PeerId == nil || *mi.PeerId == "" {
+					log.Infof("private provider %s", dealInfo.Proposal.Provider)
+					pm.nonidentifiable = true
+					netTotals.UniquePrivateProviders++
+				}
+
+				netTotals.providers[dealInfo.Proposal.Provider] = pm
+				netTotals.UniqueProviders++
+			}
+
+			if _, seen := netTotals.pieces[dealInfo.Proposal.PieceCID]; !seen {
+				netTotals.pieces[dealInfo.Proposal.PieceCID] = struct{}{}
+				netTotals.UniqueBytes += int64(dealInfo.Proposal.PieceSize)
+				netTotals.UniqueCids++
+			}
+
 			netTotals.TotalBytes += int64(dealInfo.Proposal.PieceSize)
-			netTotals.seenProvider[dealInfo.Proposal.Provider] = true
-			netTotals.seenPieceCid[dealInfo.Proposal.PieceCID] = true
 			netTotals.TotalDeals++
+			if netTotals.providers[dealInfo.Proposal.Provider].nonidentifiable {
+				netTotals.PrivateTotalBytes += int64(dealInfo.Proposal.PieceSize)
+				netTotals.PrivateTotalDeals++
+			}

 			if dealInfo.Proposal.VerifiedDeal {
-				netTotals.FilplusTotalDeals++
-				netTotals.FilplusTotalBytes += int64(dealInfo.Proposal.PieceSize)
+				netTotals.FilPlus.TotalBytes += int64(dealInfo.Proposal.PieceSize)
+				netTotals.FilPlus.TotalDeals++
+				if netTotals.providers[dealInfo.Proposal.Provider].nonidentifiable {
+					netTotals.FilPlus.PrivateTotalBytes += int64(dealInfo.Proposal.PieceSize)
+					netTotals.FilPlus.PrivateTotalDeals++
+				}
 			}
 		}

-		netTotals.UniqueCids = len(netTotals.seenPieceCid)
-		netTotals.UniqueClients = len(netTotals.seenClient)
-		netTotals.UniqueProviders = len(netTotals.seenProvider)
+		netTotals.UniqueClients = len(netTotals.clients)

-		netTotals.CapacityCarryingData, _ = new(corebig.Rat).SetFrac(
+		ccd, _ := new(corebig.Rat).SetFrac(
 			corebig.NewInt(netTotals.TotalBytes),
 			netTotals.RawNetworkPower.Int,
 		).Float64()
+		netTotals.CapacityCarryingData = humanFloat(ccd)
+
+		ccdfp, _ := new(corebig.Rat).SetFrac(
+			corebig.NewInt(netTotals.FilPlus.TotalBytes),
+			netTotals.RawNetworkPower.Int,
+		).Float64()
+		netTotals.FilPlus.CapacityCarryingData = humanFloat(ccdfp)

 		return json.NewEncoder(os.Stdout).Encode(
 			networkTotalsOutput{
-				Epoch:    int64(head.Height()),
+				Epoch:    int64(ts.Height()),
 				Endpoint: "NETWORK_WIDE_TOTALS",
 				Payload:  netTotals,
 			},
@@ -23,8 +23,6 @@
  * [DagstoreInitializeAll](#DagstoreInitializeAll)
  * [DagstoreInitializeShard](#DagstoreInitializeShard)
  * [DagstoreListShards](#DagstoreListShards)
-  * [DagstoreLookupPieces](#DagstoreLookupPieces)
-  * [DagstorePieceIndexSize](#DagstorePieceIndexSize)
  * [DagstoreRecoverShard](#DagstoreRecoverShard)
 * [Deals](#Deals)
  * [DealsConsiderOfflineRetrievalDeals](#DealsConsiderOfflineRetrievalDeals)
@@ -45,9 +43,6 @@
  * [DealsSetPieceCidBlocklist](#DealsSetPieceCidBlocklist)
 * [I](#I)
  * [ID](#ID)
-* [Indexer](#Indexer)
-  * [IndexerAnnounceAllDeals](#IndexerAnnounceAllDeals)
-  * [IndexerAnnounceDeal](#IndexerAnnounceDeal)
 * [Log](#Log)
  * [LogAlerts](#LogAlerts)
  * [LogList](#LogList)
@@ -86,15 +81,9 @@
  * [NetConnectedness](#NetConnectedness)
  * [NetDisconnect](#NetDisconnect)
  * [NetFindPeer](#NetFindPeer)
-  * [NetLimit](#NetLimit)
  * [NetPeerInfo](#NetPeerInfo)
  * [NetPeers](#NetPeers)
-  * [NetProtectAdd](#NetProtectAdd)
-  * [NetProtectList](#NetProtectList)
-  * [NetProtectRemove](#NetProtectRemove)
  * [NetPubsubScores](#NetPubsubScores)
-  * [NetSetLimit](#NetSetLimit)
-  * [NetStat](#NetStat)
 * [Pieces](#Pieces)
  * [PiecesGetCIDInfo](#PiecesGetCIDInfo)
  * [PiecesGetPieceInfo](#PiecesGetPieceInfo)
@@ -105,6 +94,7 @@
 * [Return](#Return)
  * [ReturnAddPiece](#ReturnAddPiece)
  * [ReturnFetch](#ReturnFetch)
+  * [ReturnFinalizeReplicaUpdate](#ReturnFinalizeReplicaUpdate)
  * [ReturnFinalizeSector](#ReturnFinalizeSector)
  * [ReturnGenerateSectorKeyFromData](#ReturnGenerateSectorKeyFromData)
  * [ReturnMoveStorage](#ReturnMoveStorage)
@@ -124,6 +114,7 @@
  * [SealingAbort](#SealingAbort)
  * [SealingSchedDiag](#SealingSchedDiag)
 * [Sector](#Sector)
+  * [SectorAbortUpgrade](#SectorAbortUpgrade)
  * [SectorAddPieceToAny](#SectorAddPieceToAny)
  * [SectorCommitFlush](#SectorCommitFlush)
  * [SectorCommitPending](#SectorCommitPending)
@@ -344,6 +335,9 @@ Inputs:
      "ProofType": 8
    }
  ],
+  [
+    true
+  ],
  true
 ]
 ```
@@ -520,42 +514,6 @@ Response:
 ]
 ```

-### DagstoreLookupPieces
-DagstoreLookupPieces returns information about shards that contain the given CID.
-
-
-Perms: admin
-
-Inputs:
-```json
-[
-  {
-    "/": "bafy2bzacea3wsdh6y3a36tb3skempjoxqpuyompjbmfeyf34fi3uy6uue42v4"
-  }
-]
-```
-
-Response:
-```json
-[
-  {
-    "Key": "baga6ea4seaqecmtz7iak33dsfshi627abz4i4665dfuzr3qfs4bmad6dx3iigdq",
-    "State": "ShardStateAvailable",
-    "Error": "\u003cerror\u003e"
-  }
-]
-```
-
-### DagstorePieceIndexSize
-DagstorePieceIndexSize returns the size of the piece index.
-
-
-Perms: admin
-
-Inputs: `null`
-
-Response: `9`
-
 ### DagstoreRecoverShard
 DagstoreRecoverShard attempts to recover a failed shard.

@@ -814,37 +772,6 @@ Inputs: `null`

 Response: `"12D3KooWGzxzKZYveHXtpG6AsrUJBcWxHBFS2HsEoGTxrMLvKXtf"`

-## Indexer
-
-
-### IndexerAnnounceAllDeals
-IndexerAnnounceAllDeals informs the indexer nodes aboutall active deals.
-
-
-Perms: admin
-
-Inputs: `null`
-
-Response: `{}`
-
-### IndexerAnnounceDeal
-IndexerAnnounceDeal informs indexer nodes that a new deal was received,
-so they can download its index
-
-
-Perms: admin
-
-Inputs:
-```json
-[
-  {
-    "/": "bafy2bzacea3wsdh6y3a36tb3skempjoxqpuyompjbmfeyf34fi3uy6uue42v4"
-  }
-]
-```
-
-Response: `{}`
-
 ## Log


@@ -1776,32 +1703,6 @@ Response:
 }
 ```

-### NetLimit
-
-
-Perms: read
-
-Inputs:
-```json
-[
-  "string value"
-]
-```
-
-Response:
-```json
-{
-  "Memory": 123,
-  "Streams": 3,
-  "StreamsInbound": 1,
-  "StreamsOutbound": 2,
-  "Conns": 4,
-  "ConnsInbound": 3,
-  "ConnsOutbound": 4,
-  "FD": 5
-}
-```
-
 ### NetPeerInfo


@@ -1857,52 +1758,6 @@ Response:
 ]
 ```

-### NetProtectAdd
-
-
-Perms: admin
-
-Inputs:
-```json
-[
-  [
-    "12D3KooWGzxzKZYveHXtpG6AsrUJBcWxHBFS2HsEoGTxrMLvKXtf"
-  ]
-]
-```
-
-Response: `{}`
-
-### NetProtectList
-
-
-Perms: read
-
-Inputs: `null`
-
-Response:
-```json
-[
-  "12D3KooWGzxzKZYveHXtpG6AsrUJBcWxHBFS2HsEoGTxrMLvKXtf"
-]
-```
-
-### NetProtectRemove
-
-
-Perms: admin
-
-Inputs:
-```json
-[
-  [
-    "12D3KooWGzxzKZYveHXtpG6AsrUJBcWxHBFS2HsEoGTxrMLvKXtf"
-  ]
-]
-```
-
-Response: `{}`
-
 ### NetPubsubScores


@@ -1933,94 +1788,6 @@ Response:
 ]
 ```

-### NetSetLimit
-
-
-Perms: admin
-
-Inputs:
-```json
-[
-  "string value",
-  {
-    "Memory": 123,
-    "Streams": 3,
-    "StreamsInbound": 1,
-    "StreamsOutbound": 2,
-    "Conns": 4,
-    "ConnsInbound": 3,
-    "ConnsOutbound": 4,
-    "FD": 5
-  }
-]
-```
-
-Response: `{}`
-
-### NetStat
-
-
-Perms: read
-
-Inputs:
-```json
-[
-  "string value"
-]
-```
-
-Response:
-```json
-{
-  "System": {
-    "NumStreamsInbound": 123,
-    "NumStreamsOutbound": 123,
-    "NumConnsInbound": 123,
-    "NumConnsOutbound": 123,
-    "NumFD": 123,
-    "Memory": 9
-  },
-  "Transient": {
-    "NumStreamsInbound": 123,
-    "NumStreamsOutbound": 123,
-    "NumConnsInbound": 123,
-    "NumConnsOutbound": 123,
-    "NumFD": 123,
-    "Memory": 9
-  },
-  "Services": {
-    "abc": {
-      "NumStreamsInbound": 1,
-      "NumStreamsOutbound": 2,
-      "NumConnsInbound": 3,
-      "NumConnsOutbound": 4,
-      "NumFD": 5,
-      "Memory": 123
-    }
-  },
-  "Protocols": {
-    "abc": {
-      "NumStreamsInbound": 1,
-      "NumStreamsOutbound": 2,
-      "NumConnsInbound": 3,
-      "NumConnsOutbound": 4,
-      "NumFD": 5,
-      "Memory": 123
-    }
-  },
-  "Peers": {
-    "abc": {
-      "NumStreamsInbound": 1,
-      "NumStreamsOutbound": 2,
-      "NumConnsInbound": 3,
-      "NumConnsOutbound": 4,
-      "NumFD": 5,
-      "Memory": 123
-    }
-  }
-}
-```
-
 ## Pieces


@@ -2175,6 +1942,30 @@ Response: `{}`
 ### ReturnFetch


+Perms: admin
+
+Inputs:
+```json
+[
+  {
+    "Sector": {
+      "Miner": 1000,
+      "Number": 9
+    },
+    "ID": "07070707-0707-0707-0707-070707070707"
+  },
+  {
+    "Code": 0,
+    "Message": "string value"
+  }
+]
+```
+
+Response: `{}`
+
+### ReturnFinalizeReplicaUpdate
+
+
 Perms: admin

 Inputs:
@@ -2595,6 +2386,21 @@ Response: `{}`
 ## Sector


+### SectorAbortUpgrade
+SectorAbortUpgrade can be called on sectors that are in the process of being upgraded to abort it
+
+
+Perms: admin
+
+Inputs:
+```json
+[
+  9
+]
+```
+
+Response: `{}`
+
 ### SectorAddPieceToAny
 Add piece to an open sector. If no sectors with enough space are open,
 either a new sector will be created, or this call will block until more
@@ -10,6 +10,7 @@
 * [Add](#Add)
  * [AddPiece](#AddPiece)
 * [Finalize](#Finalize)
+  * [FinalizeReplicaUpdate](#FinalizeReplicaUpdate)
  * [FinalizeSector](#FinalizeSector)
 * [Generate](#Generate)
  * [GenerateSectorKeyFromData](#GenerateSectorKeyFromData)
@@ -1112,6 +1113,41 @@ Response:
 ## Finalize


+### FinalizeReplicaUpdate
+
+
+Perms: admin
+
+Inputs:
+```json
+[
+  {
+    "ID": {
+      "Miner": 1000,
+      "Number": 9
+    },
+    "ProofType": 8
+  },
+  [
+    {
+      "Offset": 1024,
+      "Size": 1024
+    }
+  ]
+]
+```
+
+Response:
+```json
+{
+  "Sector": {
+    "Miner": 1000,
+    "Number": 9
+  },
+  "ID": "07070707-0707-0707-0707-070707070707"
+}
+```
+
 ### FinalizeSector


@@ -128,15 +128,9 @@
  * [NetConnectedness](#NetConnectedness)
  * [NetDisconnect](#NetDisconnect)
  * [NetFindPeer](#NetFindPeer)
-  * [NetLimit](#NetLimit)
  * [NetPeerInfo](#NetPeerInfo)
  * [NetPeers](#NetPeers)
-  * [NetProtectAdd](#NetProtectAdd)
-  * [NetProtectList](#NetProtectList)
-  * [NetProtectRemove](#NetProtectRemove)
  * [NetPubsubScores](#NetPubsubScores)
-  * [NetSetLimit](#NetSetLimit)
-  * [NetStat](#NetStat)
 * [Paych](#Paych)
  * [PaychAllocateLane](#PaychAllocateLane)
  * [PaychAvailableFunds](#PaychAvailableFunds)
@@ -3827,32 +3821,6 @@ Response:
 }
 ```

-### NetLimit
-
-
-Perms: read
-
-Inputs:
-```json
-[
-  "string value"
-]
-```
-
-Response:
-```json
-{
-  "Memory": 123,
-  "Streams": 3,
-  "StreamsInbound": 1,
-  "StreamsOutbound": 2,
-  "Conns": 4,
-  "ConnsInbound": 3,
-  "ConnsOutbound": 4,
-  "FD": 5
-}
-```
-
 ### NetPeerInfo


@@ -3908,52 +3876,6 @@ Response:
 ]
 ```

-### NetProtectAdd
-
-
-Perms: admin
-
-Inputs:
-```json
-[
-  [
-    "12D3KooWGzxzKZYveHXtpG6AsrUJBcWxHBFS2HsEoGTxrMLvKXtf"
-  ]
-]
-```
-
-Response: `{}`
-
-### NetProtectList
-
-
-Perms: read
-
-Inputs: `null`
-
-Response:
-```json
-[
-  "12D3KooWGzxzKZYveHXtpG6AsrUJBcWxHBFS2HsEoGTxrMLvKXtf"
-]
-```
-
-### NetProtectRemove
-
-
-Perms: admin
-
-Inputs:
-```json
-[
-  [
-    "12D3KooWGzxzKZYveHXtpG6AsrUJBcWxHBFS2HsEoGTxrMLvKXtf"
-  ]
-]
-```
-
-Response: `{}`
-
 ### NetPubsubScores


@@ -3984,94 +3906,6 @@ Response:
 ]
 ```

-### NetSetLimit
-
-
-Perms: admin
-
-Inputs:
-```json
-[
-  "string value",
-  {
-    "Memory": 123,
-    "Streams": 3,
-    "StreamsInbound": 1,
-    "StreamsOutbound": 2,
-    "Conns": 4,
-    "ConnsInbound": 3,
-    "ConnsOutbound": 4,
-    "FD": 5
-  }
-]
-```
-
-Response: `{}`
-
-### NetStat
-
-
-Perms: read
-
-Inputs:
-```json
-[
-  "string value"
-]
-```
-
-Response:
-```json
-{
-  "System": {
-    "NumStreamsInbound": 123,
-    "NumStreamsOutbound": 123,
-    "NumConnsInbound": 123,
-    "NumConnsOutbound": 123,
-    "NumFD": 123,
-    "Memory": 9
-  },
-  "Transient": {
-    "NumStreamsInbound": 123,
-    "NumStreamsOutbound": 123,
-    "NumConnsInbound": 123,
-    "NumConnsOutbound": 123,
-    "NumFD": 123,
-    "Memory": 9
-  },
-  "Services": {
-    "abc": {
-      "NumStreamsInbound": 1,
-      "NumStreamsOutbound": 2,
-      "NumConnsInbound": 3,
-      "NumConnsOutbound": 4,
-      "NumFD": 5,
-      "Memory": 123
-    }
-  },
-  "Protocols": {
-    "abc": {
-      "NumStreamsInbound": 1,
-      "NumStreamsOutbound": 2,
-      "NumConnsInbound": 3,
-      "NumConnsOutbound": 4,
-      "NumFD": 5,
-      "Memory": 123
-    }
-  },
-  "Peers": {
-    "abc": {
-      "NumStreamsInbound": 1,
-      "NumStreamsOutbound": 2,
-      "NumConnsInbound": 3,
-      "NumConnsOutbound": 4,
-      "NumFD": 5,
-      "Memory": 123
-    }
-  }
-}
-```
-
 ## Paych
 The Paych methods are for interacting with and managing payment channels

@@ -134,15 +134,9 @@
  * [NetConnectedness](#NetConnectedness)
  * [NetDisconnect](#NetDisconnect)
  * [NetFindPeer](#NetFindPeer)
-  * [NetLimit](#NetLimit)
  * [NetPeerInfo](#NetPeerInfo)
  * [NetPeers](#NetPeers)
-  * [NetProtectAdd](#NetProtectAdd)
-  * [NetProtectList](#NetProtectList)
-  * [NetProtectRemove](#NetProtectRemove)
  * [NetPubsubScores](#NetPubsubScores)
-  * [NetSetLimit](#NetSetLimit)
-  * [NetStat](#NetStat)
 * [Node](#Node)
  * [NodeStatus](#NodeStatus)
 * [Paych](#Paych)
@@ -4188,32 +4182,6 @@ Response:
 }
 ```

-### NetLimit
-
-
-Perms: read
-
-Inputs:
-```json
-[
-  "string value"
-]
-```
-
-Response:
-```json
-{
-  "Memory": 123,
-  "Streams": 3,
-  "StreamsInbound": 1,
-  "StreamsOutbound": 2,
-  "Conns": 4,
-  "ConnsInbound": 3,
-  "ConnsOutbound": 4,
-  "FD": 5
-}
-```
-
 ### NetPeerInfo


@@ -4269,52 +4237,6 @@ Response:
 ]
 ```

-### NetProtectAdd
-
-
-Perms: admin
-
-Inputs:
-```json
-[
-  [
-    "12D3KooWGzxzKZYveHXtpG6AsrUJBcWxHBFS2HsEoGTxrMLvKXtf"
-  ]
-]
-```
-
-Response: `{}`
-
-### NetProtectList
-
-
-Perms: read
-
-Inputs: `null`
-
-Response:
-```json
-[
-  "12D3KooWGzxzKZYveHXtpG6AsrUJBcWxHBFS2HsEoGTxrMLvKXtf"
-]
-```
-
-### NetProtectRemove
-
-
-Perms: admin
-
-Inputs:
-```json
-[
-  [
-    "12D3KooWGzxzKZYveHXtpG6AsrUJBcWxHBFS2HsEoGTxrMLvKXtf"
-  ]
-]
-```
-
-Response: `{}`
-
 ### NetPubsubScores


@@ -4345,94 +4267,6 @@ Response:
 ]
 ```

-### NetSetLimit
-
-
-Perms: admin
-
-Inputs:
-```json
-[
-  "string value",
-  {
-    "Memory": 123,
-    "Streams": 3,
-    "StreamsInbound": 1,
-    "StreamsOutbound": 2,
-    "Conns": 4,
-    "ConnsInbound": 3,
-    "ConnsOutbound": 4,
-    "FD": 5
-  }
-]
-```
-
-Response: `{}`
-
-### NetStat
-
-
-Perms: read
-
-Inputs:
-```json
-[
-  "string value"
-]
-```
-
-Response:
-```json
-{
-  "System": {
-    "NumStreamsInbound": 123,
-    "NumStreamsOutbound": 123,
-    "NumConnsInbound": 123,
-    "NumConnsOutbound": 123,
-    "NumFD": 123,
-    "Memory": 9
-  },
-  "Transient": {
-    "NumStreamsInbound": 123,
-    "NumStreamsOutbound": 123,
-    "NumConnsInbound": 123,
-    "NumConnsOutbound": 123,
-    "NumFD": 123,
-    "Memory": 9
-  },
-  "Services": {
-    "abc": {
-      "NumStreamsInbound": 1,
-      "NumStreamsOutbound": 2,
-      "NumConnsInbound": 3,
-      "NumConnsOutbound": 4,
-      "NumFD": 5,
-      "Memory": 123
-    }
-  },
-  "Protocols": {
-    "abc": {
-      "NumStreamsInbound": 1,
-      "NumStreamsOutbound": 2,
-      "NumConnsInbound": 3,
-      "NumConnsOutbound": 4,
-      "NumFD": 5,
-      "Memory": 123
-    }
-  },
-  "Peers": {
-    "abc": {
-      "NumStreamsInbound": 1,
-      "NumStreamsOutbound": 2,
-      "NumConnsInbound": 3,
-      "NumConnsOutbound": 4,
-      "NumFD": 5,
-      "Memory": 123
-    }
-  }
-}
-```
-
 ## Node
 These methods are general node management and status commands

@@ -7,7 +7,7 @@ USAGE:
   lotus-miner [global options] command [command options] [arguments...]

 VERSION:
-   1.15.0-dev
+   1.15.0-rc3

 COMMANDS:
   init     Initialize a lotus miner repo
@@ -30,7 +30,6 @@ COMMANDS:
     retrieval-deals  Manage retrieval deals and related configuration
     data-transfers   Manage data transfers
     dagstore         Manage the dagstore on the markets subsystem
-     index            Manage the index provider on the markets subsystem
   NETWORK:
     net  Manage P2P Network
   RETRIEVAL:
@@ -79,6 +78,7 @@ OPTIONS:
   --gas-premium value          set gas premium for initialization messages in AttoFIL (default: "0")
   --from value                 select which address to send actor creation message from
   --help, -h                   show help (default: false)
+   --version, -v                print the version (default: false)
   
 ```

@@ -160,7 +160,8 @@ COMMANDS:
   help, h  Shows a list of commands or help for one command

 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -202,11 +203,11 @@ USAGE:

 DESCRIPTION:
   The backup command writes a copy of node metadata under the specified path
-   
-   Online backups:
-   For security reasons, the daemon must be have LOTUS_BACKUP_BASE_PATH env var set
-   to a path where backup files are supposed to be saved, and the path specified in
-   this command must be within this base path
+
+Online backups:
+For security reasons, the daemon must be have LOTUS_BACKUP_BASE_PATH env var set
+to a path where backup files are supposed to be saved, and the path specified in
+this command must be within this base path

 OPTIONS:
   --offline   create backup without the node running (default: false)
@@ -248,7 +249,8 @@ COMMANDS:
   help, h                Shows a list of commands or help for one command

 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -337,7 +339,8 @@ COMMANDS:
   help, h  Shows a list of commands or help for one command

 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -430,6 +433,7 @@ OPTIONS:
   --hide-sectors-info  hide sectors info (default: false)
   --blocks value       Log of produced <blocks> newest blocks and rewards(Miner Fee excluded) (default: 0)
   --help, -h           show help (default: false)
+   --version, -v        print the version (default: false)
   
 ```

@@ -460,7 +464,8 @@ COMMANDS:
   help, h       Shows a list of commands or help for one command

 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -507,7 +512,8 @@ COMMANDS:
   help, h    Shows a list of commands or help for one command

 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -534,22 +540,23 @@ USAGE:

 DESCRIPTION:
   Set the log level for logging systems:
-   
-      The system flag can be specified multiple times.
-   
-      eg) log set-level --system chain --system chainxchg debug
-   
-      Available Levels:
-      debug
-      info
-      warn
-      error
-   
-      Environment Variables:
-      GOLOG_LOG_LEVEL - Default log level for all log systems
-      GOLOG_LOG_FMT   - Change output log format (json, nocolor)
-      GOLOG_FILE      - Write logs to file
-      GOLOG_OUTPUT    - Specify whether to output to file, stderr, stdout or a combination, i.e. file+stderr
+
+   The system flag can be specified multiple times.
+
+   eg) log set-level --system chain --system chainxchg debug
+
+   Available Levels:
+   debug
+   info
+   warn
+   error
+
+   Environment Variables:
+   GOLOG_LOG_LEVEL - Default log level for all log systems
+   GOLOG_LOG_FMT   - Change output log format (json, nocolor)
+   GOLOG_FILE      - Write logs to file
+   GOLOG_OUTPUT    - Specify whether to output to file, stderr, stdout or a combination, i.e. file+stderr
+

 OPTIONS:
   --system value  limit to log system
@@ -627,7 +634,8 @@ COMMANDS:
   help, h            Shows a list of commands or help for one command

 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -675,7 +683,8 @@ COMMANDS:
   help, h  Shows a list of commands or help for one command

 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -847,7 +856,8 @@ COMMANDS:
   help, h    Shows a list of commands or help for one command

 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -866,7 +876,8 @@ COMMANDS:
   help, h  Shows a list of commands or help for one command

 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -970,7 +981,8 @@ COMMANDS:
   help, h      Shows a list of commands or help for one command

 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -1050,12 +1062,11 @@ COMMANDS:
   recover-shard     Attempt to recover a shard in errored state
   initialize-all    Initialize all uninitialized shards, streaming results as they're produced; only shards for unsealed pieces are initialized by default
   gc                Garbage collect the dagstore
-   piece-index-size  Inspect the dagstore piece index size
-   lookup-pieces     Lookup pieces that a given CID belongs to
   help, h           Shows a list of commands or help for one command

 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -1131,80 +1142,6 @@ OPTIONS:
   
 ```

-### lotus-miner dagstore piece-index-size
-```
-NAME:
-   lotus-miner dagstore piece-index-size - Inspect the dagstore piece index size
-
-USAGE:
-   lotus-miner dagstore piece-index-size [command options] [arguments...]
-
-OPTIONS:
-   --color     use color in display output (default: depends on output being a TTY)
-   --help, -h  show help (default: false)
-   
-```
-
-### lotus-miner dagstore lookup-pieces
-```
-NAME:
-   lotus-miner dagstore lookup-pieces - Lookup pieces that a given CID belongs to
-
-USAGE:
-   lotus-miner dagstore lookup-pieces [command options] <cid>
-
-OPTIONS:
-   --color     use color in display output (default: depends on output being a TTY)
-   --help, -h  show help (default: false)
-   
-```
-
-## lotus-miner index
-```
-NAME:
-   lotus-miner index - Manage the index provider on the markets subsystem
-
-USAGE:
-   lotus-miner index command [command options] [arguments...]
-
-COMMANDS:
-   announce      Announce a deal to indexers so they can download its index
-   announce-all  Announce all active deals to indexers so they can download its indices
-   help, h       Shows a list of commands or help for one command
-
-OPTIONS:
-   --help, -h  show help (default: false)
-   
-```
-
-### lotus-miner index announce
-```
-NAME:
-   lotus-miner index announce - Announce a deal to indexers so they can download its index
-
-USAGE:
-   lotus-miner index announce [command options] <deal proposal cid>
-
-OPTIONS:
-   --color     use color in display output (default: depends on output being a TTY)
-   --help, -h  show help (default: false)
-   
-```
-
-### lotus-miner index announce-all
-```
-NAME:
-   lotus-miner index announce-all - Announce all active deals to indexers so they can download its indices
-
-USAGE:
-   lotus-miner index announce-all [command options] [arguments...]
-
-OPTIONS:
-   --color     use color in display output (default: depends on output being a TTY)
-   --help, -h  show help (default: false)
-   
-```
-
 ## lotus-miner net
 ```
 NAME:
@@ -1214,24 +1151,20 @@ USAGE:
   lotus-miner net command [command options] [arguments...]

 COMMANDS:
-   peers           Print peers
-   connect         Connect to a peer
-   listen          List listen addresses
-   id              Get node identity
-   findpeer        Find the addresses of a given peerID
-   scores          Print peers' pubsub scores
-   reachability    Print information about reachability from the internet
-   bandwidth       Print bandwidth usage information
-   block           Manage network connection gating rules
-   stat            Report resource usage for a scope
-   limit           Get or set resource limits for a scope
-   protect         Add one or more peer IDs to the list of protected peer connections
-   unprotect       Remove one or more peer IDs from the list of protected peer connections.
-   list-protected  List the peer IDs with protected connection.
-   help, h         Shows a list of commands or help for one command
+   peers         Print peers
+   connect       Connect to a peer
+   listen        List listen addresses
+   id            Get node identity
+   findpeer      Find the addresses of a given peerID
+   scores        Print peers' pubsub scores
+   reachability  Print information about reachability from the internet
+   bandwidth     Print bandwidth usage information
+   block         Manage network connection gating rules
+   help, h       Shows a list of commands or help for one command

 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -1359,7 +1292,8 @@ COMMANDS:
   help, h  Shows a list of commands or help for one command

 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -1378,7 +1312,8 @@ COMMANDS:
   help, h  Shows a list of commands or help for one command

 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -1436,7 +1371,8 @@ COMMANDS:
   help, h  Shows a list of commands or help for one command

 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -1492,95 +1428,6 @@ OPTIONS:
   
 ```

-### lotus-miner net stat
-```
-NAME:
-   lotus-miner net stat - Report resource usage for a scope
-
-USAGE:
-   lotus-miner net stat [command options] scope
-
-DESCRIPTION:
-   Report resource usage for a scope.
-   
-     The scope can be one of the following:
-     - system        -- reports the system aggregate resource usage.
-     - transient     -- reports the transient resource usage.
-     - svc:<service> -- reports the resource usage of a specific service.
-     - proto:<proto> -- reports the resource usage of a specific protocol.
-     - peer:<peer>   -- reports the resource usage of a specific peer.
-     - all           -- reports the resource usage for all currently active scopes.
-
-OPTIONS:
-   --help, -h  show help (default: false)
-   
-```
-
-### lotus-miner net limit
-```
-NAME:
-   lotus-miner net limit - Get or set resource limits for a scope
-
-USAGE:
-   lotus-miner net limit [command options] scope [limit]
-
-DESCRIPTION:
-   Get or set resource limits for a scope.
-   
-     The scope can be one of the following:
-     - system        -- reports the system aggregate resource usage.
-     - transient     -- reports the transient resource usage.
-     - svc:<service> -- reports the resource usage of a specific service.
-     - proto:<proto> -- reports the resource usage of a specific protocol.
-     - peer:<peer>   -- reports the resource usage of a specific peer.
-   
-    The limit is json-formatted, with the same structure as the limits file.
-
-OPTIONS:
-   --set       set the limit for a scope (default: false)
-   --help, -h  show help (default: false)
-   
-```
-
-### lotus-miner net protect
-```
-NAME:
-   lotus-miner net protect - Add one or more peer IDs to the list of protected peer connections
-
-USAGE:
-   lotus-miner net protect [command options] <peer-id> [<peer-id>...]
-
-OPTIONS:
-   --help, -h  show help (default: false)
-   
-```
-
-### lotus-miner net unprotect
-```
-NAME:
-   lotus-miner net unprotect - Remove one or more peer IDs from the list of protected peer connections.
-
-USAGE:
-   lotus-miner net unprotect [command options] <peer-id> [<peer-id>...]
-
-OPTIONS:
-   --help, -h  show help (default: false)
-   
-```
-
-### lotus-miner net list-protected
-```
-NAME:
-   lotus-miner net list-protected - List the peer IDs with protected connection.
-
-USAGE:
-   lotus-miner net list-protected [command options] [arguments...]
-
-OPTIONS:
-   --help, -h  show help (default: false)
-   
-```
-
 ## lotus-miner pieces
 ```
 NAME:
@@ -1600,7 +1447,8 @@ COMMANDS:
   help, h      Shows a list of commands or help for one command

 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -1678,6 +1526,7 @@ COMMANDS:
   terminate             Terminate sector on-chain then remove (WARNING: This means losing power and collateral for the removed sector)
   remove                Forcefully remove a sector (WARNING: This means losing power and collateral for the removed sector (use 'terminate' for lower penalty))
   snap-up               Mark a committed capacity sector to be filled with deals
+   abort-upgrade         Abort the attempted (SnapDeals) upgrade of a CC sector, reverting it to as before
   mark-for-upgrade      Mark a committed capacity sector for replacement by a sector with deals
   seal                  Manually start sealing a sector (filling any unused space with junk)
   set-seal-delay        Set the time, in minutes, that a new sector waits for deals before sealing starts
@@ -1687,7 +1536,8 @@ COMMANDS:
   help, h               Shows a list of commands or help for one command

 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -1855,6 +1705,7 @@ COMMANDS:
 OPTIONS:
   --really-do-it  pass this flag if you know what you are doing (default: false)
   --help, -h      show help (default: false)
+   --version, -v   print the version (default: false)
   
 ```

@@ -1911,6 +1762,20 @@ OPTIONS:
   
 ```

+### lotus-miner sectors abort-upgrade
+```
+NAME:
+   lotus-miner sectors abort-upgrade - Abort the attempted (SnapDeals) upgrade of a CC sector, reverting it to as before
+
+USAGE:
+   lotus-miner sectors abort-upgrade [command options] <sectorNum>
+
+OPTIONS:
+   --really-do-it  pass this flag if you know what you are doing (default: false)
+   --help, -h      show help (default: false)
+   
+```
+
 ### lotus-miner sectors mark-for-upgrade
 ```
 NAME:
@@ -1978,7 +1843,8 @@ COMMANDS:
   help, h    Shows a list of commands or help for one command

 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -2040,7 +1906,8 @@ COMMANDS:
   help, h    Shows a list of commands or help for one command

 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -2122,9 +1989,9 @@ USAGE:

 DESCRIPTION:
   Sectors can be stored across many filesystem paths. These
-   commands provide ways to manage the storage the miner will used to store sectors
-   long term for proving (references as 'store') as well as how sectors will be
-   stored while moving through the sealing pipeline (references as 'seal').
+commands provide ways to manage the storage the miner will used to store sectors
+long term for proving (references as 'store') as well as how sectors will be
+stored while moving through the sealing pipeline (references as 'seal').

 COMMANDS:
   attach   attach local storage path
@@ -2135,7 +2002,8 @@ COMMANDS:
   help, h  Shows a list of commands or help for one command

 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -2149,23 +2017,24 @@ USAGE:

 DESCRIPTION:
   Storage can be attached to the miner using this command. The storage volume
-   list is stored local to the miner in $LOTUS_MINER_PATH/storage.json. We do not
-   recommend manually modifying this value without further understanding of the
-   storage system.
+list is stored local to the miner in $LOTUS_MINER_PATH/storage.json. We do not
+recommend manually modifying this value without further understanding of the
+storage system.
+
+Each storage volume contains a configuration file which describes the
+capabilities of the volume. When the '--init' flag is provided, this file will
+be created using the additional flags.
+
+Weight
+A high weight value means data will be more likely to be stored in this path
+
+Seal
+Data for the sealing process will be stored here
+
+Store
+Finalized sectors that will be moved here for long term storage and be proven
+over time
   
-   Each storage volume contains a configuration file which describes the
-   capabilities of the volume. When the '--init' flag is provided, this file will
-   be created using the additional flags.
-   
-   Weight
-   A high weight value means data will be more likely to be stored in this path
-   
-   Seal
-   Data for the sealing process will be stored here
-   
-   Store
-   Finalized sectors that will be moved here for long term storage and be proven
-   over time

 OPTIONS:
   --init               initialize the path first (default: false)
@@ -2192,8 +2061,9 @@ COMMANDS:
   help, h  Shows a list of commands or help for one command

 OPTIONS:
-   --color     use color in display output (default: depends on output being a TTY)
-   --help, -h  show help (default: false)
+   --color        use color in display output (default: depends on output being a TTY)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -2267,7 +2137,8 @@ COMMANDS:
   help, h     Shows a list of commands or help for one command

 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -7,7 +7,7 @@ USAGE:
   lotus-worker [global options] command [command options] [arguments...]

 VERSION:
-   1.15.0-dev
+   1.15.0-rc3

 COMMANDS:
   run         Start lotus worker
@@ -46,6 +46,7 @@ OPTIONS:
   --commit                      enable commit (32G sectors: all cores or GPUs, 128GiB Memory + 64GiB swap) (default: true)
   --replica-update              enable replica update (default: true)
   --prove-replica-update2       enable prove replica update 2 (default: true)
+   --regen-sector-key            enable regen sector key (default: true)
   --parallel-fetch-limit value  maximum fetch operations to run in parallel (default: 5)
   --timeout value               used when 'listen' is unspecified. must be a valid duration recognized by golang's time.ParseDuration function (default: "30m")
   --help, -h                    show help (default: false)
@@ -78,7 +79,8 @@ COMMANDS:
   help, h  Shows a list of commands or help for one command

 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -158,7 +160,8 @@ COMMANDS:
   help, h  Shows a list of commands or help for one command

 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -168,7 +171,7 @@ NAME:
   lotus-worker tasks enable - Enable a task type

 USAGE:
-   lotus-worker tasks enable [command options] [UNS|C2|PC2|PC1|AP]
+   lotus-worker tasks enable [command options] [UNS|C2|PC2|PC1|PR2|RU|AP|GSK]

 OPTIONS:
   --help, -h  show help (default: false)
@@ -181,7 +184,7 @@ NAME:
   lotus-worker tasks disable - Disable a task type

 USAGE:
-   lotus-worker tasks disable [command options] [UNS|C2|PC2|PC1|AP]
+   lotus-worker tasks disable [command options] [UNS|C2|PC2|PC1|PR2|RU|AP|GSK]

 OPTIONS:
   --help, -h  show help (default: false)
@@ -7,7 +7,7 @@ USAGE:
   lotus [global options] command [command options] [arguments...]

 VERSION:
-   1.15.0-dev
+   1.15.0-rc3

 COMMANDS:
   daemon   Start a lotus daemon process
@@ -71,6 +71,7 @@ OPTIONS:
   --restore value           restore from backup file
   --restore-config value    config file to use when restoring from backup
   --help, -h                show help (default: false)
+   --version, -v             print the version (default: false)
   
 ```

@@ -97,11 +98,11 @@ USAGE:

 DESCRIPTION:
   The backup command writes a copy of node metadata under the specified path
-   
-   Online backups:
-   For security reasons, the daemon must be have LOTUS_BACKUP_BASE_PATH env var set
-   to a path where backup files are supposed to be saved, and the path specified in
-   this command must be within this base path
+
+Online backups:
+For security reasons, the daemon must be have LOTUS_BACKUP_BASE_PATH env var set
+to a path where backup files are supposed to be saved, and the path specified in
+this command must be within this base path

 OPTIONS:
   --offline   create backup without the node running (default: false)
@@ -123,7 +124,8 @@ COMMANDS:
   help, h  Shows a list of commands or help for one command

 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -216,7 +218,8 @@ COMMANDS:
   help, h      Shows a list of commands or help for one command

 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -369,7 +372,8 @@ COMMANDS:
   help, h   Shows a list of commands or help for one command

 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -444,7 +448,8 @@ COMMANDS:
     cancel-transfer   Force cancel a data transfer

 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -561,36 +566,37 @@ CATEGORY:

 DESCRIPTION:
   Retrieve data from the Filecoin network.
-   
-   The retrieve command will attempt to find a provider make a retrieval deal with
-   them. In case a provider can't be found, it can be specified with the --provider
-   flag.
-   
-   By default the data will be interpreted as DAG-PB UnixFSv1 File. Alternatively
-   a CAR file containing the raw IPLD graph can be exported by setting the --car
-   flag.
-   
-   Partial Retrieval:
-   
-   The --data-selector flag can be used to specify a sub-graph to fetch. The
-   selector can be specified as either IPLD datamodel text-path selector, or IPLD
-   json selector.
-   
-   In case of unixfs retrieval, the selector must point at a single root node, and
-   match the entire graph under that node.
-   
-   In case of CAR retrieval, the selector must have one common "sub-root" node.
-   
-   Examples:
-   
-   - Retrieve a file by CID
-     $ lotus client retrieve Qm... my-file.txt
-   
-   - Retrieve a file by CID from f0123
-     $ lotus client retrieve --provider f0123 Qm... my-file.txt
-   
-   - Retrieve a first file from a specified directory
-     $ lotus client retrieve --data-selector /Links/0/Hash Qm... my-file.txt
+
+The retrieve command will attempt to find a provider make a retrieval deal with
+them. In case a provider can't be found, it can be specified with the --provider
+flag.
+
+By default the data will be interpreted as DAG-PB UnixFSv1 File. Alternatively
+a CAR file containing the raw IPLD graph can be exported by setting the --car
+flag.
+
+Partial Retrieval:
+
+The --data-selector flag can be used to specify a sub-graph to fetch. The
+selector can be specified as either IPLD datamodel text-path selector, or IPLD
+json selector.
+
+In case of unixfs retrieval, the selector must point at a single root node, and
+match the entire graph under that node.
+
+In case of CAR retrieval, the selector must have one common "sub-root" node.
+
+Examples:
+
+- Retrieve a file by CID
+  $ lotus client retrieve Qm... my-file.txt
+
+- Retrieve a file by CID from f0123
+  $ lotus client retrieve --provider f0123 Qm... my-file.txt
+
+- Retrieve a first file from a specified directory
+  $ lotus client retrieve --data-selector /Links/0/Hash Qm... my-file.txt
+

 OPTIONS:
   --car                                                   Export to a car file instead of a regular file (default: false)
@@ -703,13 +709,13 @@ CATEGORY:

 DESCRIPTION:
   Make a deal with a miner.
-   dataCid comes from running 'lotus client import'.
-   miner is the address of the miner you wish to make a deal with.
-   price is measured in FIL/Epoch. Miners usually don't accept a bid
-   lower than their advertised ask (which is in FIL/GiB/Epoch). You can check a miners listed price
-   with 'lotus client query-ask <miner address>'.
-   duration is how long the miner should store the data for, in blocks.
-   The minimum value is 518400 (6 months).
+dataCid comes from running 'lotus client import'.
+miner is the address of the miner you wish to make a deal with.
+price is measured in FIL/Epoch. Miners usually don't accept a bid
+lower than their advertised ask (which is in FIL/GiB/Epoch). You can check a miners listed price
+with 'lotus client query-ask <miner address>'.
+duration is how long the miner should store the data for, in blocks.
+The minimum value is 518400 (6 months).

 OPTIONS:
   --manual-piece-cid value     manually specify piece commitment for data (dataCid must be to a car file)
@@ -970,6 +976,7 @@ COMMANDS:
 OPTIONS:
   --confidence value  number of block confirmations to wait for (default: 5)
   --help, -h          show help (default: false)
+   --version, -v       print the version (default: false)
   
 ```

@@ -1235,7 +1242,8 @@ COMMANDS:
   help, h               Shows a list of commands or help for one command

 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -1324,7 +1332,8 @@ COMMANDS:
   help, h            Shows a list of commands or help for one command

 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -1373,7 +1382,8 @@ COMMANDS:
   help, h         Shows a list of commands or help for one command

 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -1524,7 +1534,8 @@ COMMANDS:
   help, h       Shows a list of commands or help for one command

 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -1576,7 +1587,8 @@ COMMANDS:
   help, h   Shows a list of commands or help for one command

 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -1736,6 +1748,7 @@ COMMANDS:
 OPTIONS:
   --tipset value  specify tipset to call method on (pass comma separated array of cids)
   --help, -h      show help (default: false)
+   --version, -v   print the version (default: false)
   
 ```

@@ -2020,7 +2033,8 @@ COMMANDS:
   help, h  Shows a list of commands or help for one command

 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -2105,7 +2119,8 @@ COMMANDS:
   help, h          Shows a list of commands or help for one command

 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -2176,9 +2191,10 @@ USAGE:

 DESCRIPTION:
   Collect object size and ipld link count for an object.
-   
-      When a base is provided it will be walked first, and all links visisted
-      will be ignored when the passed in object is walked.
+
+   When a base is provided it will be walked first, and all links visisted
+   will be ignored when the passed in object is walked.
+

 OPTIONS:
   --base value  ignore links found in this obj
@@ -2228,33 +2244,34 @@ USAGE:

 DESCRIPTION:
   Get ipld node under a specified path:
-   
-      lotus chain get /ipfs/[cid]/some/path
-   
-      Path prefixes:
-      - /ipfs/[cid], /ipld/[cid] - traverse IPLD path
-      - /pstate - traverse from head.ParentStateRoot
-   
-      Note:
-      You can use special path elements to traverse through some data structures:
-      - /ipfs/[cid]/@H:elem - get 'elem' from hamt
-      - /ipfs/[cid]/@Hi:123 - get varint elem 123 from hamt
-      - /ipfs/[cid]/@Hu:123 - get uvarint elem 123 from hamt
-      - /ipfs/[cid]/@Ha:t01 - get element under Addr(t01).Bytes
-      - /ipfs/[cid]/@A:10   - get 10th amt element
-      - .../@Ha:t01/@state  - get pretty map-based actor state
-   
-      List of --as-type types:
-      - raw
-      - block
-      - message
-      - smessage, signedmessage
-      - actor
-      - amt
-      - hamt-epoch
-      - hamt-address
-      - cronevent
-      - account-state
+
+   lotus chain get /ipfs/[cid]/some/path
+
+   Path prefixes:
+   - /ipfs/[cid], /ipld/[cid] - traverse IPLD path
+   - /pstate - traverse from head.ParentStateRoot
+
+   Note:
+   You can use special path elements to traverse through some data structures:
+   - /ipfs/[cid]/@H:elem - get 'elem' from hamt
+   - /ipfs/[cid]/@Hi:123 - get varint elem 123 from hamt
+   - /ipfs/[cid]/@Hu:123 - get uvarint elem 123 from hamt
+   - /ipfs/[cid]/@Ha:t01 - get element under Addr(t01).Bytes
+   - /ipfs/[cid]/@A:10   - get 10th amt element
+   - .../@Ha:t01/@state  - get pretty map-based actor state
+
+   List of --as-type types:
+   - raw
+   - block
+   - message
+   - smessage, signedmessage
+   - actor
+   - amt
+   - hamt-epoch
+   - hamt-address
+   - cronevent
+   - account-state
+

 OPTIONS:
   --as-type value  specify type to interpret output as
@@ -2274,17 +2291,18 @@ USAGE:

 DESCRIPTION:
   Bisect the chain state tree:
-   
-      lotus chain bisect [min height] [max height] '1/2/3/state/path' 'shell command' 'args'
-   
-      Returns the first tipset in which condition is true
-                     v
-      [start] FFFFFFFTTT [end]
-   
-      Example: find height at which deal ID 100 000 appeared
-       - lotus chain bisect 1 32000 '@Ha:t03/1' jq -e '.[2] > 100000'
-   
-      For special path elements see 'chain get' help
+
+   lotus chain bisect [min height] [max height] '1/2/3/state/path' 'shell command' 'args'
+
+   Returns the first tipset in which condition is true
+                  v
+   [start] FFFFFFFTTT [end]
+
+   Example: find height at which deal ID 100 000 appeared
+    - lotus chain bisect 1 32000 '@Ha:t03/1' jq -e '.[2] > 100000'
+
+   For special path elements see 'chain get' help
+

 OPTIONS:
   --help, -h  show help (default: false)
@@ -2364,7 +2382,8 @@ COMMANDS:
   help, h  Shows a list of commands or help for one command

 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -2396,7 +2415,8 @@ COMMANDS:
   help, h  Shows a list of commands or help for one command

 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -2433,6 +2453,7 @@ OPTIONS:
   --max-fee value  Spend up to X FIL per DisputeWindowedPoSt message
   --from value     optionally specify the account to send messages from
   --help, -h       show help (default: false)
+   --version, -v    print the version (default: false)
   
 ```

@@ -2478,7 +2499,8 @@ COMMANDS:
   help, h    Shows a list of commands or help for one command

 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -2505,22 +2527,23 @@ USAGE:

 DESCRIPTION:
   Set the log level for logging systems:
-   
-      The system flag can be specified multiple times.
-   
-      eg) log set-level --system chain --system chainxchg debug
-   
-      Available Levels:
-      debug
-      info
-      warn
-      error
-   
-      Environment Variables:
-      GOLOG_LOG_LEVEL - Default log level for all log systems
-      GOLOG_LOG_FMT   - Change output log format (json, nocolor)
-      GOLOG_FILE      - Write logs to file
-      GOLOG_OUTPUT    - Specify whether to output to file, stderr, stdout or a combination, i.e. file+stderr
+
+   The system flag can be specified multiple times.
+
+   eg) log set-level --system chain --system chainxchg debug
+
+   Available Levels:
+   debug
+   info
+   warn
+   error
+
+   Environment Variables:
+   GOLOG_LOG_LEVEL - Default log level for all log systems
+   GOLOG_LOG_FMT   - Change output log format (json, nocolor)
+   GOLOG_FILE      - Write logs to file
+   GOLOG_OUTPUT    - Specify whether to output to file, stderr, stdout or a combination, i.e. file+stderr
+

 OPTIONS:
   --system value  limit to log system
@@ -2584,24 +2607,20 @@ USAGE:
   lotus net command [command options] [arguments...]

 COMMANDS:
-   peers           Print peers
-   connect         Connect to a peer
-   listen          List listen addresses
-   id              Get node identity
-   findpeer        Find the addresses of a given peerID
-   scores          Print peers' pubsub scores
-   reachability    Print information about reachability from the internet
-   bandwidth       Print bandwidth usage information
-   block           Manage network connection gating rules
-   stat            Report resource usage for a scope
-   limit           Get or set resource limits for a scope
-   protect         Add one or more peer IDs to the list of protected peer connections
-   unprotect       Remove one or more peer IDs from the list of protected peer connections.
-   list-protected  List the peer IDs with protected connection.
-   help, h         Shows a list of commands or help for one command
+   peers         Print peers
+   connect       Connect to a peer
+   listen        List listen addresses
+   id            Get node identity
+   findpeer      Find the addresses of a given peerID
+   scores        Print peers' pubsub scores
+   reachability  Print information about reachability from the internet
+   bandwidth     Print bandwidth usage information
+   block         Manage network connection gating rules
+   help, h       Shows a list of commands or help for one command

 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -2729,7 +2748,8 @@ COMMANDS:
   help, h  Shows a list of commands or help for one command

 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -2748,7 +2768,8 @@ COMMANDS:
   help, h  Shows a list of commands or help for one command

 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -2806,7 +2827,8 @@ COMMANDS:
   help, h  Shows a list of commands or help for one command

 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -2862,95 +2884,6 @@ OPTIONS:
   
 ```

-### lotus net stat
-```
-NAME:
-   lotus net stat - Report resource usage for a scope
-
-USAGE:
-   lotus net stat [command options] scope
-
-DESCRIPTION:
-   Report resource usage for a scope.
-   
-     The scope can be one of the following:
-     - system        -- reports the system aggregate resource usage.
-     - transient     -- reports the transient resource usage.
-     - svc:<service> -- reports the resource usage of a specific service.
-     - proto:<proto> -- reports the resource usage of a specific protocol.
-     - peer:<peer>   -- reports the resource usage of a specific peer.
-     - all           -- reports the resource usage for all currently active scopes.
-
-OPTIONS:
-   --help, -h  show help (default: false)
-   
-```
-
-### lotus net limit
-```
-NAME:
-   lotus net limit - Get or set resource limits for a scope
-
-USAGE:
-   lotus net limit [command options] scope [limit]
-
-DESCRIPTION:
-   Get or set resource limits for a scope.
-   
-     The scope can be one of the following:
-     - system        -- reports the system aggregate resource usage.
-     - transient     -- reports the transient resource usage.
-     - svc:<service> -- reports the resource usage of a specific service.
-     - proto:<proto> -- reports the resource usage of a specific protocol.
-     - peer:<peer>   -- reports the resource usage of a specific peer.
-   
-    The limit is json-formatted, with the same structure as the limits file.
-
-OPTIONS:
-   --set       set the limit for a scope (default: false)
-   --help, -h  show help (default: false)
-   
-```
-
-### lotus net protect
-```
-NAME:
-   lotus net protect - Add one or more peer IDs to the list of protected peer connections
-
-USAGE:
-   lotus net protect [command options] <peer-id> [<peer-id>...]
-
-OPTIONS:
-   --help, -h  show help (default: false)
-   
-```
-
-### lotus net unprotect
-```
-NAME:
-   lotus net unprotect - Remove one or more peer IDs from the list of protected peer connections.
-
-USAGE:
-   lotus net unprotect [command options] <peer-id> [<peer-id>...]
-
-OPTIONS:
-   --help, -h  show help (default: false)
-   
-```
-
-### lotus net list-protected
-```
-NAME:
-   lotus net list-protected - List the peer IDs with protected connection.
-
-USAGE:
-   lotus net list-protected [command options] [arguments...]
-
-OPTIONS:
-   --help, -h  show help (default: false)
-   
-```
-
 ## lotus sync
 ```
 NAME:
@@ -2969,7 +2902,8 @@ COMMANDS:
   help, h     Shows a list of commands or help for one command

 OPTIONS:
-   --help, -h  show help (default: false)
+   --help, -h     show help (default: false)
+   --version, -v  print the version (default: false)
   
 ```

@@ -163,11 +163,11 @@
    #HotStoreType = "badger"

    # MarkSetType specifies the type of the markset.
-    # It can be "map" (default) for in memory marking or "badger" for on-disk marking.
+    # It can be "map" for in memory marking or "badger" (default) for on-disk marking.
    #
    # type: string
    # env var: LOTUS_CHAINSTORE_SPLITSTORE_MARKSETTYPE
-    #MarkSetType = "map"
+    #MarkSetType = "badger"

    # HotStoreMessageRetention specifies the retention policy for messages, in finalities beyond
    # the compaction boundary; default is 0.
@@ -167,6 +167,14 @@
  # env var: LOTUS_DEALMAKING_EXPECTEDSEALDURATION
  #ExpectedSealDuration = "24h0m0s"

+  # Whether new sectors are created to pack incoming deals
+  # When this is set to false no new sectors will be created for sealing incoming deals
+  # This is useful for forcing all deals to be assigned as snap deals to sectors marked for upgrade
+  #
+  # type: bool
+  # env var: LOTUS_DEALMAKING_MAKENEWSECTORFORDEALS
+  #MakeNewSectorForDeals = true
+
  # Maximum amount of time proposed deal StartEpoch can be in future
  #
  # type: Duration
@@ -257,51 +265,6 @@
      #Path = ""


-[IndexProvider]
-  # env var: LOTUS_INDEXPROVIDER_LINKCACHESIZE
-  #LinkCacheSize = 1024
-
-  # env var: LOTUS_INDEXPROVIDER_LINKEDCHUNKSIZE
-  #LinkedChunkSize = 16384
-
-  # env var: LOTUS_INDEXPROVIDER_PUBSUBTOPIC
-  #PubSubTopic = "/indexer/ingest/mainnet"
-
-  # env var: LOTUS_INDEXPROVIDER_PURGELINKCACHE
-  #PurgeLinkCache = false
-
-  # env var: LOTUS_INDEXPROVIDER_PUBLISHERKIND
-  #PublisherKind = "dtsync"
-
-  # Binding address for the libp2p host contacted by indexer nodes to sync the list of advertised
-  # multihashes. Note that when port is set to 0 a random port is generated at runtime and may be
-  # different on every restart. The format of the strings specified must conform to multiaddress;
-  # see https://multiformats.io/multiaddr/
-  #
-  # type: []string
-  # env var: LOTUS_INDEXPROVIDER_LISTENADDRESSES
-  #ListenAddresses = ["/ip4/0.0.0.0/tcp/0", "/ip6/::/tcp/0"]
-
-  # The address the endpoints at which the data associated to the advertised
-  # multihashes can be retrieved. If not specified, the ListenAddresses are used instead. The format
-  # of the strings specified must conform to multiaddress; see https://multiformats.io/multiaddr/
-  #
-  # type: []string
-  # env var: LOTUS_INDEXPROVIDER_ANNOUNCEADDRESSES
-  #AnnounceAddresses = []
-
-  # The maximum number of simultaneous requests syncing the list of advertised multihashes between
-  # the indexers and the index provider.
-  #
-  # type: uint64
-  # env var: LOTUS_INDEXPROVIDER_MAXSIMULTANEOUSTRANSFERS
-  #MaxSimultaneousTransfers = 20
-
-  [IndexProvider.HttpPublisher]
-    # env var: LOTUS_INDEXPROVIDER_HTTPPUBLISHER_LISTENMULTIADDR
-    #ListenMultiaddr = "/ip4/0.0.0.0/tcp/3104/http"
-
-
 [Sealing]
  # Upper bound on how many sectors can be waiting for more deals to be packed in it before it begins sealing at any given time.
  # If the miner is accepting multiple deals in parallel, up to MaxWaitDealsSectors of new sectors will be created.
@@ -475,6 +438,9 @@
  # env var: LOTUS_STORAGE_ALLOWPROVEREPLICAUPDATE2
  #AllowProveReplicaUpdate2 = true

+  # env var: LOTUS_STORAGE_ALLOWREGENSECTORKEY
+  #AllowRegenSectorKey = true
+
  # env var: LOTUS_STORAGE_RESOURCEFILTERING
  #ResourceFiltering = "hardware"

@@ -19,11 +19,11 @@ import (

 // FaultTracker TODO: Track things more actively
 type FaultTracker interface {
-	CheckProvable(ctx context.Context, pp abi.RegisteredPoStProof, sectors []storage.SectorRef, rg storiface.RGetter) (map[abi.SectorID]string, error)
+	CheckProvable(ctx context.Context, pp abi.RegisteredPoStProof, sectors []storage.SectorRef, update []bool, rg storiface.RGetter) (map[abi.SectorID]string, error)
 }

 // CheckProvable returns unprovable sectors
-func (m *Manager) CheckProvable(ctx context.Context, pp abi.RegisteredPoStProof, sectors []storage.SectorRef, rg storiface.RGetter) (map[abi.SectorID]string, error) {
+func (m *Manager) CheckProvable(ctx context.Context, pp abi.RegisteredPoStProof, sectors []storage.SectorRef, update []bool, rg storiface.RGetter) (map[abi.SectorID]string, error) {
 	var bad = make(map[abi.SectorID]string)

 	ssize, err := pp.SectorSize()
@@ -32,53 +32,76 @@ func (m *Manager) CheckProvable(ctx context.Context, pp abi.RegisteredPoStProof,
 	}

 	// TODO: More better checks
-	for _, sector := range sectors {
+	for i, sector := range sectors {
 		err := func() error {
 			ctx, cancel := context.WithCancel(ctx)
 			defer cancel()
+			var fReplica string
+			var fCache string
+
+			if update[i] {
+				lockedUpdate, err := m.index.StorageTryLock(ctx, sector.ID, storiface.FTUpdate|storiface.FTUpdateCache, storiface.FTNone)
+				if err != nil {
+					return xerrors.Errorf("acquiring sector lock: %w", err)
+				}
+				if !lockedUpdate {
+					log.Warnw("CheckProvable Sector FAULT: can't acquire read lock on update replica", "sector", sector)
+					bad[sector.ID] = fmt.Sprint("can't acquire read lock")
+					return nil
+				}
+				lp, _, err := m.localStore.AcquireSector(ctx, sector, storiface.FTUpdate|storiface.FTUpdateCache, storiface.FTNone, storiface.PathStorage, storiface.AcquireMove)
+				if err != nil {
+					log.Warnw("CheckProvable Sector FAULT: acquire sector update replica in checkProvable", "sector", sector, "error", err)
+					bad[sector.ID] = fmt.Sprintf("acquire sector failed: %s", err)
+					return nil
+				}
+				fReplica, fCache = lp.Update, lp.UpdateCache
+			} else {
+				locked, err := m.index.StorageTryLock(ctx, sector.ID, storiface.FTSealed|storiface.FTCache, storiface.FTNone)
+				if err != nil {
+					return xerrors.Errorf("acquiring sector lock: %w", err)
+				}
+
+				if !locked {
+					log.Warnw("CheckProvable Sector FAULT: can't acquire read lock", "sector", sector)
+					bad[sector.ID] = fmt.Sprint("can't acquire read lock")
+					return nil
+				}
+
+				lp, _, err := m.localStore.AcquireSector(ctx, sector, storiface.FTSealed|storiface.FTCache, storiface.FTNone, storiface.PathStorage, storiface.AcquireMove)
+				if err != nil {
+					log.Warnw("CheckProvable Sector FAULT: acquire sector in checkProvable", "sector", sector, "error", err)
+					bad[sector.ID] = fmt.Sprintf("acquire sector failed: %s", err)
+					return nil
+				}
+				fReplica, fCache = lp.Sealed, lp.Cache

-			locked, err := m.index.StorageTryLock(ctx, sector.ID, storiface.FTSealed|storiface.FTCache, storiface.FTNone)
-			if err != nil {
-				return xerrors.Errorf("acquiring sector lock: %w", err)
 			}

-			if !locked {
-				log.Warnw("CheckProvable Sector FAULT: can't acquire read lock", "sector", sector)
-				bad[sector.ID] = fmt.Sprint("can't acquire read lock")
-				return nil
-			}
-
-			lp, _, err := m.localStore.AcquireSector(ctx, sector, storiface.FTSealed|storiface.FTCache, storiface.FTNone, storiface.PathStorage, storiface.AcquireMove)
-			if err != nil {
-				log.Warnw("CheckProvable Sector FAULT: acquire sector in checkProvable", "sector", sector, "error", err)
-				bad[sector.ID] = fmt.Sprintf("acquire sector failed: %s", err)
-				return nil
-			}
-
-			if lp.Sealed == "" || lp.Cache == "" {
-				log.Warnw("CheckProvable Sector FAULT: cache and/or sealed paths not found", "sector", sector, "sealed", lp.Sealed, "cache", lp.Cache)
-				bad[sector.ID] = fmt.Sprintf("cache and/or sealed paths not found, cache %q, sealed %q", lp.Cache, lp.Sealed)
+			if fReplica == "" || fCache == "" {
+				log.Warnw("CheckProvable Sector FAULT: cache and/or sealed paths not found", "sector", sector, "sealed", fReplica, "cache", fCache)
+				bad[sector.ID] = fmt.Sprintf("cache and/or sealed paths not found, cache %q, sealed %q", fCache, fReplica)
 				return nil
 			}

 			toCheck := map[string]int64{
-				lp.Sealed:                        1,
-				filepath.Join(lp.Cache, "p_aux"): 0,
+				fReplica:                       1,
+				filepath.Join(fCache, "p_aux"): 0,
 			}

-			addCachePathsForSectorSize(toCheck, lp.Cache, ssize)
+			addCachePathsForSectorSize(toCheck, fCache, ssize)

 			for p, sz := range toCheck {
 				st, err := os.Stat(p)
 				if err != nil {
-					log.Warnw("CheckProvable Sector FAULT: sector file stat error", "sector", sector, "sealed", lp.Sealed, "cache", lp.Cache, "file", p, "err", err)
+					log.Warnw("CheckProvable Sector FAULT: sector file stat error", "sector", sector, "sealed", fReplica, "cache", fCache, "file", p, "err", err)
 					bad[sector.ID] = fmt.Sprintf("%s", err)
 					return nil
 				}

 				if sz != 0 {
 					if st.Size() != int64(ssize)*sz {
-						log.Warnw("CheckProvable Sector FAULT: sector file is wrong size", "sector", sector, "sealed", lp.Sealed, "cache", lp.Cache, "file", p, "size", st.Size(), "expectSize", int64(ssize)*sz)
+						log.Warnw("CheckProvable Sector FAULT: sector file is wrong size", "sector", sector, "sealed", fReplica, "cache", fCache, "file", p, "size", st.Size(), "expectSize", int64(ssize)*sz)
 						bad[sector.ID] = fmt.Sprintf("%s is wrong size (got %d, expect %d)", p, st.Size(), int64(ssize)*sz)
 						return nil
 					}
@@ -99,14 +122,14 @@ func (m *Manager) CheckProvable(ctx context.Context, pp abi.RegisteredPoStProof,
 					sector.ID.Number,
 				})
 				if err != nil {
-					log.Warnw("CheckProvable Sector FAULT: generating challenges", "sector", sector, "sealed", lp.Sealed, "cache", lp.Cache, "err", err)
+					log.Warnw("CheckProvable Sector FAULT: generating challenges", "sector", sector, "sealed", fReplica, "cache", fCache, "err", err)
 					bad[sector.ID] = fmt.Sprintf("generating fallback challenges: %s", err)
 					return nil
 				}

 				commr, err := rg(ctx, sector.ID)
 				if err != nil {
-					log.Warnw("CheckProvable Sector FAULT: getting commR", "sector", sector, "sealed", lp.Sealed, "cache", lp.Cache, "err", err)
+					log.Warnw("CheckProvable Sector FAULT: getting commR", "sector", sector, "sealed", fReplica, "cache", fCache, "err", err)
 					bad[sector.ID] = fmt.Sprintf("getting commR: %s", err)
 					return nil
 				}
@@ -117,12 +140,12 @@ func (m *Manager) CheckProvable(ctx context.Context, pp abi.RegisteredPoStProof,
 						SectorNumber: sector.ID.Number,
 						SealedCID:    commr,
 					},
-					CacheDirPath:     lp.Cache,
+					CacheDirPath:     fCache,
 					PoStProofType:    wpp,
-					SealedSectorPath: lp.Sealed,
+					SealedSectorPath: fReplica,
 				}, ch.Challenges[sector.ID.Number])
 				if err != nil {
-					log.Warnw("CheckProvable Sector FAULT: generating vanilla proof", "sector", sector, "sealed", lp.Sealed, "cache", lp.Cache, "err", err)
+					log.Warnw("CheckProvable Sector FAULT: generating vanilla proof", "sector", sector, "sealed", fReplica, "cache", fCache, "err", err)
 					bad[sector.ID] = fmt.Sprintf("generating vanilla proof: %s", err)
 					return nil
 				}
@@ -769,7 +769,7 @@ func (sb *Sealer) ReleaseSealed(ctx context.Context, sector storage.SectorRef) e
 	return xerrors.Errorf("not supported at this layer")
 }

-func (sb *Sealer) FinalizeSector(ctx context.Context, sector storage.SectorRef, keepUnsealed []storage.Range) error {
+func (sb *Sealer) freeUnsealed(ctx context.Context, sector storage.SectorRef, keepUnsealed []storage.Range) error {
 	ssize, err := sector.ProofType.SectorSize()
 	if err != nil {
 		return err
@@ -834,6 +834,19 @@ func (sb *Sealer) FinalizeSector(ctx context.Context, sector storage.SectorRef,

 	}

+	return nil
+}
+
+func (sb *Sealer) FinalizeSector(ctx context.Context, sector storage.SectorRef, keepUnsealed []storage.Range) error {
+	ssize, err := sector.ProofType.SectorSize()
+	if err != nil {
+		return err
+	}
+
+	if err := sb.freeUnsealed(ctx, sector, keepUnsealed); err != nil {
+		return err
+	}
+
 	paths, done, err := sb.sectors.AcquireSector(ctx, sector, storiface.FTCache, 0, storiface.PathStorage)
 	if err != nil {
 		return xerrors.Errorf("acquiring sector cache path: %w", err)
@@ -843,6 +856,43 @@ func (sb *Sealer) FinalizeSector(ctx context.Context, sector storage.SectorRef,
 	return ffi.ClearCache(uint64(ssize), paths.Cache)
 }

+func (sb *Sealer) FinalizeReplicaUpdate(ctx context.Context, sector storage.SectorRef, keepUnsealed []storage.Range) error {
+	ssize, err := sector.ProofType.SectorSize()
+	if err != nil {
+		return err
+	}
+
+	if err := sb.freeUnsealed(ctx, sector, keepUnsealed); err != nil {
+		return err
+	}
+
+	{
+		paths, done, err := sb.sectors.AcquireSector(ctx, sector, storiface.FTCache, 0, storiface.PathStorage)
+		if err != nil {
+			return xerrors.Errorf("acquiring sector cache path: %w", err)
+		}
+		defer done()
+
+		if err := ffi.ClearCache(uint64(ssize), paths.Cache); err != nil {
+			return xerrors.Errorf("clear cache: %w", err)
+		}
+	}
+
+	{
+		paths, done, err := sb.sectors.AcquireSector(ctx, sector, storiface.FTUpdateCache, 0, storiface.PathStorage)
+		if err != nil {
+			return xerrors.Errorf("acquiring sector cache path: %w", err)
+		}
+		defer done()
+
+		if err := ffi.ClearCache(uint64(ssize), paths.UpdateCache); err != nil {
+			return xerrors.Errorf("clear cache: %w", err)
+		}
+	}
+
+	return nil
+}
+
 func (sb *Sealer) ReleaseUnsealed(ctx context.Context, sector storage.SectorRef, safeToFree []storage.Range) error {
 	// This call is meant to mark storage as 'freeable'. Given that unsealing is
 	// very expensive, we don't remove data as soon as we can - instead we only
@@ -105,6 +105,7 @@ type SealerConfig struct {
 	AllowUnseal              bool
 	AllowReplicaUpdate       bool
 	AllowProveReplicaUpdate2 bool
+	AllowRegenSectorKey      bool

 	// ResourceFiltering instructs the system which resource filtering strategy
 	// to use when evaluating tasks against this worker. An empty value defaults
@@ -146,7 +147,7 @@ func New(ctx context.Context, lstor *stores.Local, stor *stores.Remote, ls store
 	go m.sched.runSched()

 	localTasks := []sealtasks.TaskType{
-		sealtasks.TTCommit1, sealtasks.TTProveReplicaUpdate1, sealtasks.TTFinalize, sealtasks.TTFetch,
+		sealtasks.TTCommit1, sealtasks.TTProveReplicaUpdate1, sealtasks.TTFinalize, sealtasks.TTFetch, sealtasks.TTFinalizeReplicaUpdate,
 	}
 	if sc.AllowAddPiece {
 		localTasks = append(localTasks, sealtasks.TTAddPiece)
@@ -169,6 +170,9 @@ func New(ctx context.Context, lstor *stores.Local, stor *stores.Remote, ls store
 	if sc.AllowProveReplicaUpdate2 {
 		localTasks = append(localTasks, sealtasks.TTProveReplicaUpdate2)
 	}
+	if sc.AllowRegenSectorKey {
+		localTasks = append(localTasks, sealtasks.TTRegenSectorKey)
+	}

 	wcfg := WorkerConfig{
 		IgnoreResourceFiltering: sc.ResourceFiltering == ResourceFilteringDisabled,
@@ -577,6 +581,74 @@ func (m *Manager) FinalizeSector(ctx context.Context, sector storage.SectorRef,
 	return nil
 }

+func (m *Manager) FinalizeReplicaUpdate(ctx context.Context, sector storage.SectorRef, keepUnsealed []storage.Range) error {
+	ctx, cancel := context.WithCancel(ctx)
+	defer cancel()
+
+	if err := m.index.StorageLock(ctx, sector.ID, storiface.FTNone, storiface.FTSealed|storiface.FTUnsealed|storiface.FTCache|storiface.FTUpdate|storiface.FTUpdateCache); err != nil {
+		return xerrors.Errorf("acquiring sector lock: %w", err)
+	}
+
+	fts := storiface.FTUnsealed
+	{
+		unsealedStores, err := m.index.StorageFindSector(ctx, sector.ID, storiface.FTUnsealed, 0, false)
+		if err != nil {
+			return xerrors.Errorf("finding unsealed sector: %w", err)
+		}
+
+		if len(unsealedStores) == 0 { // Is some edge-cases unsealed sector may not exist already, that's fine
+			fts = storiface.FTNone
+		}
+	}
+
+	pathType := storiface.PathStorage
+	{
+		sealedStores, err := m.index.StorageFindSector(ctx, sector.ID, storiface.FTUpdate, 0, false)
+		if err != nil {
+			return xerrors.Errorf("finding sealed sector: %w", err)
+		}
+
+		for _, store := range sealedStores {
+			if store.CanSeal {
+				pathType = storiface.PathSealing
+				break
+			}
+		}
+	}
+
+	selector := newExistingSelector(m.index, sector.ID, storiface.FTCache|storiface.FTSealed|storiface.FTUpdate|storiface.FTUpdateCache, false)
+
+	err := m.sched.Schedule(ctx, sector, sealtasks.TTFinalizeReplicaUpdate, selector,
+		m.schedFetch(sector, storiface.FTCache|storiface.FTSealed|storiface.FTUpdate|storiface.FTUpdateCache|fts, pathType, storiface.AcquireMove),
+		func(ctx context.Context, w Worker) error {
+			_, err := m.waitSimpleCall(ctx)(w.FinalizeReplicaUpdate(ctx, sector, keepUnsealed))
+			return err
+		})
+	if err != nil {
+		return err
+	}
+
+	fetchSel := newAllocSelector(m.index, storiface.FTCache|storiface.FTSealed|storiface.FTUpdate|storiface.FTUpdateCache, storiface.PathStorage)
+	moveUnsealed := fts
+	{
+		if len(keepUnsealed) == 0 {
+			moveUnsealed = storiface.FTNone
+		}
+	}
+
+	err = m.sched.Schedule(ctx, sector, sealtasks.TTFetch, fetchSel,
+		m.schedFetch(sector, storiface.FTCache|storiface.FTSealed|storiface.FTUpdate|storiface.FTUpdateCache|moveUnsealed, storiface.PathStorage, storiface.AcquireMove),
+		func(ctx context.Context, w Worker) error {
+			_, err := m.waitSimpleCall(ctx)(w.MoveStorage(ctx, sector, storiface.FTCache|storiface.FTSealed|storiface.FTUpdate|storiface.FTUpdateCache|moveUnsealed))
+			return err
+		})
+	if err != nil {
+		return xerrors.Errorf("moving sector to storage: %w", err)
+	}
+
+	return nil
+}
+
 func (m *Manager) ReleaseUnsealed(ctx context.Context, sector storage.SectorRef, safeToFree []storage.Range) error {
 	return nil
 }
@@ -875,6 +947,10 @@ func (m *Manager) ReturnProveReplicaUpdate2(ctx context.Context, callID storifac
 	return m.returnResult(ctx, callID, proof, err)
 }

+func (m *Manager) ReturnFinalizeReplicaUpdate(ctx context.Context, callID storiface.CallID, err *storiface.CallError) error {
+	return m.returnResult(ctx, callID, nil, err)
+}
+
 func (m *Manager) ReturnGenerateSectorKeyFromData(ctx context.Context, callID storiface.CallID, err *storiface.CallError) error {
 	return m.returnResult(ctx, callID, nil, err)
 }
@@ -477,6 +477,10 @@ func (mgr *SectorMgr) FinalizeSector(context.Context, storage.SectorRef, []stora
 	return nil
 }

+func (mgr *SectorMgr) FinalizeReplicaUpdate(context.Context, storage.SectorRef, []storage.Range) error {
+	return nil
+}
+
 func (mgr *SectorMgr) ReleaseUnsealed(ctx context.Context, sector storage.SectorRef, safeToFree []storage.Range) error {
 	return nil
 }
@@ -501,7 +505,7 @@ func (mgr *SectorMgr) Remove(ctx context.Context, sector storage.SectorRef) erro
 	return nil
 }

-func (mgr *SectorMgr) CheckProvable(ctx context.Context, pp abi.RegisteredPoStProof, ids []storage.SectorRef, rg storiface.RGetter) (map[abi.SectorID]string, error) {
+func (mgr *SectorMgr) CheckProvable(ctx context.Context, pp abi.RegisteredPoStProof, ids []storage.SectorRef, update []bool, rg storiface.RGetter) (map[abi.SectorID]string, error) {
 	bad := map[abi.SectorID]string{}

 	for _, sid := range ids {
@@ -577,6 +581,10 @@ func (mgr *SectorMgr) ReturnGenerateSectorKeyFromData(ctx context.Context, callI
 	panic("not supported")
 }

+func (mgr *SectorMgr) ReturnFinalizeReplicaUpdate(ctx context.Context, callID storiface.CallID, err *storiface.CallError) error {
+	panic("not supported")
+}
+
 func (m mockVerifProver) VerifySeal(svi proof.SealVerifyInfo) (bool, error) {
 	plen, err := svi.SealProof.ProofSize()
 	if err != nil {
@@ -119,6 +119,10 @@ func (s *schedTestWorker) GenerateSectorKeyFromData(ctx context.Context, sector
 	panic("implement me")
 }

+func (s *schedTestWorker) FinalizeReplicaUpdate(ctx context.Context, sector storage.SectorRef, keepUnsealed []storage.Range) (storiface.CallID, error) {
+	panic("implement me")
+}
+
 func (s *schedTestWorker) MoveStorage(ctx context.Context, sector storage.SectorRef, types storiface.SectorFileType) (storiface.CallID, error) {
 	panic("implement me")
 }
@@ -14,10 +14,11 @@ const (
 	TTFetch  TaskType = "seal/v0/fetch"
 	TTUnseal TaskType = "seal/v0/unseal"

-	TTReplicaUpdate       TaskType = "seal/v0/replicaupdate"
-	TTProveReplicaUpdate1 TaskType = "seal/v0/provereplicaupdate/1"
-	TTProveReplicaUpdate2 TaskType = "seal/v0/provereplicaupdate/2"
-	TTRegenSectorKey      TaskType = "seal/v0/regensectorkey"
+	TTReplicaUpdate         TaskType = "seal/v0/replicaupdate"
+	TTProveReplicaUpdate1   TaskType = "seal/v0/provereplicaupdate/1"
+	TTProveReplicaUpdate2   TaskType = "seal/v0/provereplicaupdate/2"
+	TTRegenSectorKey        TaskType = "seal/v0/regensectorkey"
+	TTFinalizeReplicaUpdate TaskType = "seal/v0/finalize/replicaupdate"
 )

 var order = map[TaskType]int{
@@ -48,10 +49,11 @@ var shortNames = map[TaskType]string{
 	TTFetch:  "GET",
 	TTUnseal: "UNS",

-	TTReplicaUpdate:       "RU",
-	TTProveReplicaUpdate1: "PR1",
-	TTProveReplicaUpdate2: "PR2",
-	TTRegenSectorKey:      "GSK",
+	TTReplicaUpdate:         "RU",
+	TTProveReplicaUpdate1:   "PR1",
+	TTProveReplicaUpdate2:   "PR2",
+	TTRegenSectorKey:        "GSK",
+	TTFinalizeReplicaUpdate: "FRU",
 }

 func (a TaskType) MuchLess(b TaskType) (bool, bool) {
@@ -294,6 +294,10 @@ func ftFromString(t string) (storiface.SectorFileType, error) {
 		return storiface.FTSealed, nil
 	case storiface.FTCache.String():
 		return storiface.FTCache, nil
+	case storiface.FTUpdate.String():
+		return storiface.FTUpdate, nil
+	case storiface.FTUpdateCache.String():
+		return storiface.FTUpdateCache, nil
 	default:
 		return 0, xerrors.Errorf("unknown sector file type: '%s'", t)
 	}
@@ -120,6 +120,7 @@ type WorkerCalls interface {
 	SealCommit1(ctx context.Context, sector storage.SectorRef, ticket abi.SealRandomness, seed abi.InteractiveSealRandomness, pieces []abi.PieceInfo, cids storage.SectorCids) (CallID, error)
 	SealCommit2(ctx context.Context, sector storage.SectorRef, c1o storage.Commit1Out) (CallID, error)
 	FinalizeSector(ctx context.Context, sector storage.SectorRef, keepUnsealed []storage.Range) (CallID, error)
+	FinalizeReplicaUpdate(ctx context.Context, sector storage.SectorRef, keepUnsealed []storage.Range) (CallID, error)
 	ReleaseUnsealed(ctx context.Context, sector storage.SectorRef, safeToFree []storage.Range) (CallID, error)
 	ReplicaUpdate(ctx context.Context, sector storage.SectorRef, pieces []abi.PieceInfo) (CallID, error)
 	ProveReplicaUpdate1(ctx context.Context, sector storage.SectorRef, sectorKey, newSealed, newUnsealed cid.Cid) (CallID, error)
@@ -182,6 +183,7 @@ type WorkerReturn interface {
 	ReturnProveReplicaUpdate1(ctx context.Context, callID CallID, proofs storage.ReplicaVanillaProofs, err *CallError) error
 	ReturnProveReplicaUpdate2(ctx context.Context, callID CallID, proof storage.ReplicaUpdateProof, err *CallError) error
 	ReturnGenerateSectorKeyFromData(ctx context.Context, callID CallID, err *CallError) error
+	ReturnFinalizeReplicaUpdate(ctx context.Context, callID CallID, err *CallError) error
 	ReturnMoveStorage(ctx context.Context, callID CallID, err *CallError) error
 	ReturnUnsealPiece(ctx context.Context, callID CallID, err *CallError) error
 	ReturnReadPiece(ctx context.Context, callID CallID, ok bool, err *CallError) error
@@ -87,6 +87,10 @@ func (t *testExec) GenerateSectorKeyFromData(ctx context.Context, sector storage
 	panic("implement me")
 }

+func (t *testExec) FinalizeReplicaUpdate(ctx context.Context, sector storage.SectorRef, keepUnsealed []storage.Range) error {
+	panic("implement me")
+}
+
 func (t *testExec) NewSector(ctx context.Context, sector storage.SectorRef) error {
 	panic("implement me")
 }
@@ -162,20 +162,21 @@ func (l *LocalWorker) ffiExec() (ffiwrapper.Storage, error) {
 type ReturnType string

 const (
-	AddPiece            ReturnType = "AddPiece"
-	SealPreCommit1      ReturnType = "SealPreCommit1"
-	SealPreCommit2      ReturnType = "SealPreCommit2"
-	SealCommit1         ReturnType = "SealCommit1"
-	SealCommit2         ReturnType = "SealCommit2"
-	FinalizeSector      ReturnType = "FinalizeSector"
-	ReplicaUpdate       ReturnType = "ReplicaUpdate"
-	ProveReplicaUpdate1 ReturnType = "ProveReplicaUpdate1"
-	ProveReplicaUpdate2 ReturnType = "ProveReplicaUpdate2"
-	GenerateSectorKey   ReturnType = "GenerateSectorKey"
-	ReleaseUnsealed     ReturnType = "ReleaseUnsealed"
-	MoveStorage         ReturnType = "MoveStorage"
-	UnsealPiece         ReturnType = "UnsealPiece"
-	Fetch               ReturnType = "Fetch"
+	AddPiece              ReturnType = "AddPiece"
+	SealPreCommit1        ReturnType = "SealPreCommit1"
+	SealPreCommit2        ReturnType = "SealPreCommit2"
+	SealCommit1           ReturnType = "SealCommit1"
+	SealCommit2           ReturnType = "SealCommit2"
+	FinalizeSector        ReturnType = "FinalizeSector"
+	FinalizeReplicaUpdate ReturnType = "FinalizeReplicaUpdate"
+	ReplicaUpdate         ReturnType = "ReplicaUpdate"
+	ProveReplicaUpdate1   ReturnType = "ProveReplicaUpdate1"
+	ProveReplicaUpdate2   ReturnType = "ProveReplicaUpdate2"
+	GenerateSectorKey     ReturnType = "GenerateSectorKey"
+	ReleaseUnsealed       ReturnType = "ReleaseUnsealed"
+	MoveStorage           ReturnType = "MoveStorage"
+	UnsealPiece           ReturnType = "UnsealPiece"
+	Fetch                 ReturnType = "Fetch"
 )

 // in: func(WorkerReturn, context.Context, CallID, err string)
@@ -213,20 +214,21 @@ func rfunc(in interface{}) func(context.Context, storiface.CallID, storiface.Wor
 }

 var returnFunc = map[ReturnType]func(context.Context, storiface.CallID, storiface.WorkerReturn, interface{}, *storiface.CallError) error{
-	AddPiece:            rfunc(storiface.WorkerReturn.ReturnAddPiece),
-	SealPreCommit1:      rfunc(storiface.WorkerReturn.ReturnSealPreCommit1),
-	SealPreCommit2:      rfunc(storiface.WorkerReturn.ReturnSealPreCommit2),
-	SealCommit1:         rfunc(storiface.WorkerReturn.ReturnSealCommit1),
-	SealCommit2:         rfunc(storiface.WorkerReturn.ReturnSealCommit2),
-	FinalizeSector:      rfunc(storiface.WorkerReturn.ReturnFinalizeSector),
-	ReleaseUnsealed:     rfunc(storiface.WorkerReturn.ReturnReleaseUnsealed),
-	ReplicaUpdate:       rfunc(storiface.WorkerReturn.ReturnReplicaUpdate),
-	ProveReplicaUpdate1: rfunc(storiface.WorkerReturn.ReturnProveReplicaUpdate1),
-	ProveReplicaUpdate2: rfunc(storiface.WorkerReturn.ReturnProveReplicaUpdate2),
-	GenerateSectorKey:   rfunc(storiface.WorkerReturn.ReturnGenerateSectorKeyFromData),
-	MoveStorage:         rfunc(storiface.WorkerReturn.ReturnMoveStorage),
-	UnsealPiece:         rfunc(storiface.WorkerReturn.ReturnUnsealPiece),
-	Fetch:               rfunc(storiface.WorkerReturn.ReturnFetch),
+	AddPiece:              rfunc(storiface.WorkerReturn.ReturnAddPiece),
+	SealPreCommit1:        rfunc(storiface.WorkerReturn.ReturnSealPreCommit1),
+	SealPreCommit2:        rfunc(storiface.WorkerReturn.ReturnSealPreCommit2),
+	SealCommit1:           rfunc(storiface.WorkerReturn.ReturnSealCommit1),
+	SealCommit2:           rfunc(storiface.WorkerReturn.ReturnSealCommit2),
+	FinalizeSector:        rfunc(storiface.WorkerReturn.ReturnFinalizeSector),
+	ReleaseUnsealed:       rfunc(storiface.WorkerReturn.ReturnReleaseUnsealed),
+	ReplicaUpdate:         rfunc(storiface.WorkerReturn.ReturnReplicaUpdate),
+	ProveReplicaUpdate1:   rfunc(storiface.WorkerReturn.ReturnProveReplicaUpdate1),
+	ProveReplicaUpdate2:   rfunc(storiface.WorkerReturn.ReturnProveReplicaUpdate2),
+	GenerateSectorKey:     rfunc(storiface.WorkerReturn.ReturnGenerateSectorKeyFromData),
+	FinalizeReplicaUpdate: rfunc(storiface.WorkerReturn.ReturnFinalizeReplicaUpdate),
+	MoveStorage:           rfunc(storiface.WorkerReturn.ReturnMoveStorage),
+	UnsealPiece:           rfunc(storiface.WorkerReturn.ReturnUnsealPiece),
+	Fetch:                 rfunc(storiface.WorkerReturn.ReturnFetch),
 }

 func (l *LocalWorker) asyncCall(ctx context.Context, sector storage.SectorRef, rt ReturnType, work func(ctx context.Context, ci storiface.CallID) (interface{}, error)) (storiface.CallID, error) {
@@ -456,6 +458,27 @@ func (l *LocalWorker) FinalizeSector(ctx context.Context, sector storage.SectorR
 	})
 }

+func (l *LocalWorker) FinalizeReplicaUpdate(ctx context.Context, sector storage.SectorRef, keepUnsealed []storage.Range) (storiface.CallID, error) {
+	sb, err := l.executor()
+	if err != nil {
+		return storiface.UndefCall, err
+	}
+
+	return l.asyncCall(ctx, sector, FinalizeReplicaUpdate, func(ctx context.Context, ci storiface.CallID) (interface{}, error) {
+		if err := sb.FinalizeReplicaUpdate(ctx, sector, keepUnsealed); err != nil {
+			return nil, xerrors.Errorf("finalizing sector: %w", err)
+		}
+
+		if len(keepUnsealed) == 0 {
+			if err := l.storage.Remove(ctx, sector.ID, storiface.FTUnsealed, true, nil); err != nil {
+				return nil, xerrors.Errorf("removing unsealed data: %w", err)
+			}
+		}
+
+		return nil, err
+	})
+}
+
 func (l *LocalWorker) ReleaseUnsealed(ctx context.Context, sector storage.SectorRef, safeToFree []storage.Range) (storiface.CallID, error) {
 	return storiface.UndefCall, xerrors.Errorf("implement me")
 }
@@ -215,4 +215,8 @@ func (t *trackedWorker) ProveReplicaUpdate2(ctx context.Context, sector storage.
 	})
 }

+func (t *trackedWorker) FinalizeReplicaUpdate(ctx context.Context, sector storage.SectorRef, keepUnsealed []storage.Range) (storiface.CallID, error) {
+	return t.tracker.track(ctx, t.execute, t.wid, t.workerInfo, sector, sealtasks.TTFinalizeReplicaUpdate, func() (storiface.CallID, error) { return t.Worker.FinalizeReplicaUpdate(ctx, sector, keepUnsealed) })
+}
+
 var _ Worker = &trackedWorker{}
@@ -20,6 +20,7 @@ import (
 //  We should implement some wait-for-api logic
 type ErrApi struct{ error }

+type ErrNoDeals struct{ error }
 type ErrInvalidDeals struct{ error }
 type ErrInvalidPiece struct{ error }
 type ErrExpiredDeals struct{ error }
@@ -38,12 +39,14 @@ type ErrCommitWaitFailed struct{ error }
 type ErrBadRU struct{ error }
 type ErrBadPR struct{ error }

-func checkPieces(ctx context.Context, maddr address.Address, si SectorInfo, api SealingAPI) error {
+func checkPieces(ctx context.Context, maddr address.Address, si SectorInfo, api SealingAPI, mustHaveDeals bool) error {
 	tok, height, err := api.ChainHead(ctx)
 	if err != nil {
 		return &ErrApi{xerrors.Errorf("getting chain head: %w", err)}
 	}

+	dealCount := 0
+
 	for i, p := range si.Pieces {
 		// if no deal is associated with the piece, ensure that we added it as
 		// filler (i.e. ensure that it has a zero PieceCID)
@@ -55,6 +58,8 @@ func checkPieces(ctx context.Context, maddr address.Address, si SectorInfo, api
 			continue
 		}

+		dealCount++
+
 		proposal, err := api.StateMarketStorageDealProposal(ctx, p.DealInfo.DealID, tok)
 		if err != nil {
 			return &ErrInvalidDeals{xerrors.Errorf("getting deal %d for piece %d: %w", p.DealInfo.DealID, i, err)}
@@ -77,13 +82,17 @@ func checkPieces(ctx context.Context, maddr address.Address, si SectorInfo, api
 		}
 	}

+	if mustHaveDeals && dealCount <= 0 {
+		return &ErrNoDeals{(xerrors.Errorf("sector %d must have deals, but does not", si.SectorNumber))}
+	}
+
 	return nil
 }

 // checkPrecommit checks that data commitment generated in the sealing process
 //  matches pieces, and that the seal ticket isn't expired
 func checkPrecommit(ctx context.Context, maddr address.Address, si SectorInfo, tok TipSetToken, height abi.ChainEpoch, api SealingAPI) (err error) {
-	if err := checkPieces(ctx, maddr, si, api); err != nil {
+	if err := checkPieces(ctx, maddr, si, api, false); err != nil {
 		return err
 	}

@@ -184,7 +193,7 @@ func (m *Sealing) checkCommit(ctx context.Context, si SectorInfo, proof []byte,
 		return &ErrInvalidProof{xerrors.New("invalid proof (compute error?)")}
 	}

-	if err := checkPieces(ctx, m.maddr, si, m.Api); err != nil {
+	if err := checkPieces(ctx, m.maddr, si, m.Api, false); err != nil {
 		return err
 	}

@@ -194,7 +203,7 @@ func (m *Sealing) checkCommit(ctx context.Context, si SectorInfo, proof []byte,
 // check that sector info is good after running a replica update
 func checkReplicaUpdate(ctx context.Context, maddr address.Address, si SectorInfo, tok TipSetToken, api SealingAPI) error {

-	if err := checkPieces(ctx, maddr, si, api); err != nil {
+	if err := checkPieces(ctx, maddr, si, api, true); err != nil {
 		return err
 	}
 	if !si.CCUpdate {
@@ -205,8 +214,13 @@ func checkReplicaUpdate(ctx context.Context, maddr address.Address, si SectorInf
 	if err != nil {
 		return &ErrApi{xerrors.Errorf("calling StateComputeDataCommitment: %w", err)}
 	}
-	if si.UpdateUnsealed == nil || !commD.Equals(*si.UpdateUnsealed) {
-		return &ErrBadRU{xerrors.Errorf("on chain CommD differs from sector: %s != %s", commD, si.CommD)}
+
+	if si.UpdateUnsealed == nil {
+		return &ErrBadRU{xerrors.New("nil UpdateUnsealed cid after replica update")}
+	}
+
+	if !commD.Equals(*si.UpdateUnsealed) {
+		return &ErrBadRU{xerrors.Errorf("calculated CommD differs from updated replica: %s != %s", commD, *si.UpdateUnsealed)}
 	}

 	if si.UpdateSealed == nil {
@@ -137,27 +137,32 @@ var fsmPlanners = map[SectorState]func(events []statemachine.Event, state *Secto
 	SnapDealsWaitDeals: planOne(
 		on(SectorAddPiece{}, SnapDealsAddPiece),
 		on(SectorStartPacking{}, SnapDealsPacking),
+		on(SectorAbortUpgrade{}, AbortUpgrade),
 	),
 	SnapDealsAddPiece: planOne(
 		on(SectorPieceAdded{}, SnapDealsWaitDeals),
 		apply(SectorStartPacking{}),
 		apply(SectorAddPiece{}),
 		on(SectorAddPieceFailed{}, SnapDealsAddPieceFailed),
+		on(SectorAbortUpgrade{}, AbortUpgrade),
 	),
 	SnapDealsPacking: planOne(
 		on(SectorPacked{}, UpdateReplica),
+		on(SectorAbortUpgrade{}, AbortUpgrade),
 	),
 	UpdateReplica: planOne(
 		on(SectorReplicaUpdate{}, ProveReplicaUpdate),
 		on(SectorUpdateReplicaFailed{}, ReplicaUpdateFailed),
 		on(SectorDealsExpired{}, SnapDealsDealsExpired),
 		on(SectorInvalidDealIDs{}, SnapDealsRecoverDealIDs),
+		on(SectorAbortUpgrade{}, AbortUpgrade),
 	),
 	ProveReplicaUpdate: planOne(
 		on(SectorProveReplicaUpdate{}, SubmitReplicaUpdate),
 		on(SectorProveReplicaUpdateFailed{}, ReplicaUpdateFailed),
 		on(SectorDealsExpired{}, SnapDealsDealsExpired),
 		on(SectorInvalidDealIDs{}, SnapDealsRecoverDealIDs),
+		on(SectorAbortUpgrade{}, AbortUpgrade),
 	),
 	SubmitReplicaUpdate: planOne(
 		on(SectorReplicaUpdateSubmitted{}, ReplicaUpdateWait),
@@ -169,7 +174,15 @@ var fsmPlanners = map[SectorState]func(events []statemachine.Event, state *Secto
 		on(SectorAbortUpgrade{}, AbortUpgrade),
 	),
 	FinalizeReplicaUpdate: planOne(
-		on(SectorFinalized{}, Proving),
+		on(SectorFinalized{}, UpdateActivating),
+		on(SectorFinalizeFailed{}, FinalizeReplicaUpdateFailed),
+	),
+	UpdateActivating: planOne(
+		on(SectorUpdateActive{}, ReleaseSectorKey),
+	),
+	ReleaseSectorKey: planOne(
+		on(SectorKeyReleased{}, Proving),
+		on(SectorReleaseKeyFailed{}, ReleaseSectorKeyFailed),
 	),
 	// Sealing errors

@@ -231,6 +244,7 @@ var fsmPlanners = map[SectorState]func(events []statemachine.Event, state *Secto
 		on(SectorRetryWaitDeals{}, SnapDealsWaitDeals),
 		apply(SectorStartPacking{}),
 		apply(SectorAddPiece{}),
+		on(SectorAbortUpgrade{}, AbortUpgrade),
 	),
 	SnapDealsDealsExpired: planOne(
 		on(SectorAbortUpgrade{}, AbortUpgrade),
@@ -249,6 +263,13 @@ var fsmPlanners = map[SectorState]func(events []statemachine.Event, state *Secto
 		on(SectorRetryProveReplicaUpdate{}, ProveReplicaUpdate),
 		on(SectorInvalidDealIDs{}, SnapDealsRecoverDealIDs),
 		on(SectorDealsExpired{}, SnapDealsDealsExpired),
+		on(SectorAbortUpgrade{}, AbortUpgrade),
+	),
+	ReleaseSectorKeyFailed: planOne(
+		on(SectorUpdateActive{}, ReleaseSectorKey),
+	),
+	FinalizeReplicaUpdateFailed: planOne(
+		on(SectorRetryFinalize{}, FinalizeReplicaUpdate),
 	),

 	// Post-seal
@@ -477,6 +498,10 @@ func (m *Sealing) plan(events []statemachine.Event, state *SectorInfo) (func(sta
 		return m.handleReplicaUpdateWait, processed, nil
 	case FinalizeReplicaUpdate:
 		return m.handleFinalizeReplicaUpdate, processed, nil
+	case UpdateActivating:
+		return m.handleUpdateActivating, processed, nil
+	case ReleaseSectorKey:
+		return m.handleReleaseSectorKey, processed, nil

 	// Handled failure modes
 	case AddPieceFailed:
@@ -513,6 +538,10 @@ func (m *Sealing) plan(events []statemachine.Event, state *SectorInfo) (func(sta
 		return m.handleSnapDealsRecoverDealIDs, processed, nil
 	case ReplicaUpdateFailed:
 		return m.handleSubmitReplicaUpdateFailed, processed, nil
+	case ReleaseSectorKeyFailed:
+		return m.handleReleaseSectorKeyFailed, 0, err
+	case FinalizeReplicaUpdateFailed:
+		return m.handleFinalizeFailed, processed, nil
 	case AbortUpgrade:
 		return m.handleAbortUpgrade, processed, nil

@@ -335,6 +335,14 @@ type SectorReplicaUpdateLanded struct{}

 func (evt SectorReplicaUpdateLanded) apply(state *SectorInfo) {}

+type SectorUpdateActive struct{}
+
+func (evt SectorUpdateActive) apply(state *SectorInfo) {}
+
+type SectorKeyReleased struct{}
+
+func (evt SectorKeyReleased) apply(state *SectorInfo) {}
+
 // Failed state recovery

 type SectorRetrySealPreCommit1 struct{}
@@ -445,6 +453,13 @@ type SectorSubmitReplicaUpdateFailed struct{}

 func (evt SectorSubmitReplicaUpdateFailed) apply(state *SectorInfo) {}

+type SectorReleaseKeyFailed struct{ error }
+
+func (evt SectorReleaseKeyFailed) FormatError(xerrors.Printer) (next error) {
+	return evt.error
+}
+func (evt SectorReleaseKeyFailed) apply(state *SectorInfo) {}
+
 // Faults

 type SectorFaulty struct{}
@@ -16,6 +16,7 @@ import (
 	"github.com/filecoin-project/specs-storage/storage"

 	"github.com/filecoin-project/lotus/api"
+	"github.com/filecoin-project/lotus/build"
 	sectorstorage "github.com/filecoin-project/lotus/extern/sector-storage"
 	"github.com/filecoin-project/lotus/extern/sector-storage/ffiwrapper"
 	"github.com/filecoin-project/lotus/extern/storage-sealing/sealiface"
@@ -117,9 +118,25 @@ func (m *Sealing) maybeStartSealing(ctx statemachine.Context, sector SectorInfo,
 			return false, xerrors.Errorf("getting storage config: %w", err)
 		}

-		// todo check deal age, start sealing if any deal has less than X (configurable) to start deadline
 		sealTime := time.Unix(sector.CreationTime, 0).Add(cfg.WaitDealsDelay)

+		// check deal age, start sealing when the deal closest to starting is within slack time
+		_, current, err := m.Api.ChainHead(ctx.Context())
+		blockTime := time.Second * time.Duration(build.BlockDelaySecs)
+		if err != nil {
+			return false, xerrors.Errorf("API error getting head: %w", err)
+		}
+		for _, piece := range sector.Pieces {
+			if piece.DealInfo == nil {
+				continue
+			}
+			dealSafeSealEpoch := piece.DealInfo.DealProposal.StartEpoch - cfg.StartEpochSealingBuffer
+			dealSafeSealTime := time.Now().Add(time.Duration(dealSafeSealEpoch-current) * blockTime)
+			if dealSafeSealTime.Before(sealTime) {
+				sealTime = dealSafeSealTime
+			}
+		}
+
 		if now.After(sealTime) {
 			log.Infow("starting to seal deal sector", "sector", sector.SectorNumber, "trigger", "wait-timeout")
 			return true, ctx.Send(SectorStartPacking{})
@@ -475,6 +492,10 @@ func (m *Sealing) tryCreateDealSector(ctx context.Context, sp abi.RegisteredSeal
 		return xerrors.Errorf("getting storage config: %w", err)
 	}

+	if !cfg.MakeNewSectorForDeals {
+		return nil
+	}
+
 	if cfg.MaxSealingSectorsForDeals > 0 && m.stats.curSealing() >= cfg.MaxSealingSectorsForDeals {
 		return nil
 	}
@@ -524,6 +545,13 @@ func (m *Sealing) StartPacking(sid abi.SectorNumber) error {
 	return m.sectors.Send(uint64(sid), SectorStartPacking{})
 }

+func (m *Sealing) AbortUpgrade(sid abi.SectorNumber) error {
+	m.startupWait.Wait()
+
+	log.Infow("aborting upgrade of sector", "sector", sid, "trigger", "user")
+	return m.sectors.Send(uint64(sid), SectorAbortUpgrade{xerrors.New("triggered by user")})
+}
+
 func proposalCID(deal api.PieceDealInfo) cid.Cid {
 	pc, err := deal.DealProposal.Cid()
 	if err != nil {
@@ -18,6 +18,8 @@ type Config struct {
 	// includes failed, 0 = no limit
 	MaxSealingSectorsForDeals uint64

+	MakeNewSectorForDeals bool
+
 	WaitDealsDelay time.Duration

 	CommittedCapacitySectorLifetime time.Duration
@@ -3,61 +3,65 @@ package sealing
 type SectorState string

 var ExistSectorStateList = map[SectorState]struct{}{
-	Empty:                   {},
-	WaitDeals:               {},
-	Packing:                 {},
-	AddPiece:                {},
-	AddPieceFailed:          {},
-	GetTicket:               {},
-	PreCommit1:              {},
-	PreCommit2:              {},
-	PreCommitting:           {},
-	PreCommitWait:           {},
-	SubmitPreCommitBatch:    {},
-	PreCommitBatchWait:      {},
-	WaitSeed:                {},
-	Committing:              {},
-	CommitFinalize:          {},
-	CommitFinalizeFailed:    {},
-	SubmitCommit:            {},
-	CommitWait:              {},
-	SubmitCommitAggregate:   {},
-	CommitAggregateWait:     {},
-	FinalizeSector:          {},
-	Proving:                 {},
-	FailedUnrecoverable:     {},
-	SealPreCommit1Failed:    {},
-	SealPreCommit2Failed:    {},
-	PreCommitFailed:         {},
-	ComputeProofFailed:      {},
-	CommitFailed:            {},
-	PackingFailed:           {},
-	FinalizeFailed:          {},
-	DealsExpired:            {},
-	RecoverDealIDs:          {},
-	Faulty:                  {},
-	FaultReported:           {},
-	FaultedFinal:            {},
-	Terminating:             {},
-	TerminateWait:           {},
-	TerminateFinality:       {},
-	TerminateFailed:         {},
-	Removing:                {},
-	RemoveFailed:            {},
-	Removed:                 {},
-	SnapDealsWaitDeals:      {},
-	SnapDealsAddPiece:       {},
-	SnapDealsPacking:        {},
-	UpdateReplica:           {},
-	ProveReplicaUpdate:      {},
-	SubmitReplicaUpdate:     {},
-	ReplicaUpdateWait:       {},
-	FinalizeReplicaUpdate:   {},
-	SnapDealsAddPieceFailed: {},
-	SnapDealsDealsExpired:   {},
-	SnapDealsRecoverDealIDs: {},
-	ReplicaUpdateFailed:     {},
-	AbortUpgrade:            {},
+	Empty:                       {},
+	WaitDeals:                   {},
+	Packing:                     {},
+	AddPiece:                    {},
+	AddPieceFailed:              {},
+	GetTicket:                   {},
+	PreCommit1:                  {},
+	PreCommit2:                  {},
+	PreCommitting:               {},
+	PreCommitWait:               {},
+	SubmitPreCommitBatch:        {},
+	PreCommitBatchWait:          {},
+	WaitSeed:                    {},
+	Committing:                  {},
+	CommitFinalize:              {},
+	CommitFinalizeFailed:        {},
+	SubmitCommit:                {},
+	CommitWait:                  {},
+	SubmitCommitAggregate:       {},
+	CommitAggregateWait:         {},
+	FinalizeSector:              {},
+	Proving:                     {},
+	FailedUnrecoverable:         {},
+	SealPreCommit1Failed:        {},
+	SealPreCommit2Failed:        {},
+	PreCommitFailed:             {},
+	ComputeProofFailed:          {},
+	CommitFailed:                {},
+	PackingFailed:               {},
+	FinalizeFailed:              {},
+	DealsExpired:                {},
+	RecoverDealIDs:              {},
+	Faulty:                      {},
+	FaultReported:               {},
+	FaultedFinal:                {},
+	Terminating:                 {},
+	TerminateWait:               {},
+	TerminateFinality:           {},
+	TerminateFailed:             {},
+	Removing:                    {},
+	RemoveFailed:                {},
+	Removed:                     {},
+	SnapDealsWaitDeals:          {},
+	SnapDealsAddPiece:           {},
+	SnapDealsPacking:            {},
+	UpdateReplica:               {},
+	ProveReplicaUpdate:          {},
+	SubmitReplicaUpdate:         {},
+	ReplicaUpdateWait:           {},
+	UpdateActivating:            {},
+	ReleaseSectorKey:            {},
+	FinalizeReplicaUpdate:       {},
+	SnapDealsAddPieceFailed:     {},
+	SnapDealsDealsExpired:       {},
+	SnapDealsRecoverDealIDs:     {},
+	ReplicaUpdateFailed:         {},
+	ReleaseSectorKeyFailed:      {},
+	FinalizeReplicaUpdateFailed: {},
+	AbortUpgrade:                {},
 }

 // cmd/lotus-miner/info.go defines CLI colors corresponding to these states
@@ -104,6 +108,8 @@ const (
 	SubmitReplicaUpdate   SectorState = "SubmitReplicaUpdate"
 	ReplicaUpdateWait     SectorState = "ReplicaUpdateWait"
 	FinalizeReplicaUpdate SectorState = "FinalizeReplicaUpdate"
+	UpdateActivating      SectorState = "UpdateActivating"
+	ReleaseSectorKey      SectorState = "ReleaseSectorKey"

 	// error modes
 	FailedUnrecoverable  SectorState = "FailedUnrecoverable"
@@ -119,11 +125,13 @@ const (
 	RecoverDealIDs       SectorState = "RecoverDealIDs"

 	// snap deals error modes
-	SnapDealsAddPieceFailed SectorState = "SnapDealsAddPieceFailed"
-	SnapDealsDealsExpired   SectorState = "SnapDealsDealsExpired"
-	SnapDealsRecoverDealIDs SectorState = "SnapDealsRecoverDealIDs"
-	AbortUpgrade            SectorState = "AbortUpgrade"
-	ReplicaUpdateFailed     SectorState = "ReplicaUpdateFailed"
+	SnapDealsAddPieceFailed     SectorState = "SnapDealsAddPieceFailed"
+	SnapDealsDealsExpired       SectorState = "SnapDealsDealsExpired"
+	SnapDealsRecoverDealIDs     SectorState = "SnapDealsRecoverDealIDs"
+	AbortUpgrade                SectorState = "AbortUpgrade"
+	ReplicaUpdateFailed         SectorState = "ReplicaUpdateFailed"
+	ReleaseSectorKeyFailed      SectorState = "ReleaseSectorKeyFailed"
+	FinalizeReplicaUpdateFailed SectorState = "FinalizeReplicaUpdateFailed"

 	Faulty        SectorState = "Faulty"        // sector is corrupted or gone for some reason
 	FaultReported SectorState = "FaultReported" // sector has been declared as a fault on chain
@@ -153,7 +161,7 @@ func toStatState(st SectorState, finEarly bool) statSectorState {
 			return sstProving
 		}
 		return sstSealing
-	case Proving, Removed, Removing, Terminating, TerminateWait, TerminateFinality, TerminateFailed:
+	case Proving, UpdateActivating, ReleaseSectorKey, Removed, Removing, Terminating, TerminateWait, TerminateFinality, TerminateFailed:
 		return sstProving
 	}

@@ -211,7 +211,7 @@ func (m *Sealing) handleSubmitReplicaUpdateFailed(ctx statemachine.Context, sect

 	tok, _, err := m.Api.ChainHead(ctx.Context())
 	if err != nil {
-		log.Errorf("handleCommitting: api error, not proceeding: %+v", err)
+		log.Errorf("handleSubmitReplicaUpdateFailed: api error, not proceeding: %+v", err)
 		return nil
 	}

@@ -237,6 +237,17 @@ func (m *Sealing) handleSubmitReplicaUpdateFailed(ctx statemachine.Context, sect
 		}
 	}

+	// Abort upgrade for sectors that went faulty since being marked for upgrade
+	active, err := sectorActive(ctx.Context(), m.Api, m.maddr, tok, sector.SectorNumber)
+	if err != nil {
+		log.Errorf("sector active check: api error, not proceeding: %+v", err)
+		return nil
+	}
+	if !active {
+		log.Errorf("sector marked for upgrade %d no longer active, aborting upgrade", sector.SectorNumber)
+		return ctx.Send(SectorAbortUpgrade{})
+	}
+
 	if err := failedCooldown(ctx, sector); err != nil {
 		return err
 	}
@@ -244,6 +255,16 @@ func (m *Sealing) handleSubmitReplicaUpdateFailed(ctx statemachine.Context, sect
 	return ctx.Send(SectorRetrySubmitReplicaUpdate{})
 }

+func (m *Sealing) handleReleaseSectorKeyFailed(ctx statemachine.Context, sector SectorInfo) error {
+	// not much we can do, wait for a bit and try again
+
+	if err := failedCooldown(ctx, sector); err != nil {
+		return err
+	}
+
+	return ctx.Send(SectorUpdateActive{})
+}
+
 func (m *Sealing) handleCommitFailed(ctx statemachine.Context, sector SectorInfo) error {
 	tok, _, err := m.Api.ChainHead(ctx.Context())
 	if err != nil {
@@ -478,7 +499,7 @@ func (m *Sealing) HandleRecoverDealIDs(ctx statemachine.Context, sector SectorIn
 }

 func (m *Sealing) handleSnapDealsRecoverDealIDs(ctx statemachine.Context, sector SectorInfo) error {
-	return m.handleRecoverDealIDsOrFailWith(ctx, sector, SectorAbortUpgrade{})
+	return m.handleRecoverDealIDsOrFailWith(ctx, sector, SectorAbortUpgrade{xerrors.New("failed recovering deal ids")})
 }

 func recoveryPiecesToFix(ctx context.Context, api SealingAPI, sector SectorInfo, maddr address.Address) ([]int, int, error) {
@@ -2,17 +2,21 @@ package sealing

 import (
 	"bytes"
+	"context"
+	"time"

+	"github.com/filecoin-project/go-state-types/abi"
 	"github.com/filecoin-project/go-state-types/big"
 	"github.com/filecoin-project/go-state-types/exitcode"
 	statemachine "github.com/filecoin-project/go-statemachine"
 	api "github.com/filecoin-project/lotus/api"
 	"github.com/filecoin-project/lotus/chain/actors/builtin/miner"
+	"github.com/filecoin-project/lotus/chain/actors/policy"
 	"golang.org/x/xerrors"
 )

 func (m *Sealing) handleReplicaUpdate(ctx statemachine.Context, sector SectorInfo) error {
-	if err := checkPieces(ctx.Context(), m.maddr, sector, m.Api); err != nil { // Sanity check state
+	if err := checkPieces(ctx.Context(), m.maddr, sector, m.Api, true); err != nil { // Sanity check state
 		return handleErrors(ctx, err, sector)
 	}
 	out, err := m.sealer.ReplicaUpdate(sector.sealingCtx(ctx.Context()), m.minerSector(sector.SectorType, sector.SectorNumber), sector.pieceInfos())
@@ -31,13 +35,28 @@ func (m *Sealing) handleProveReplicaUpdate(ctx statemachine.Context, sector Sect
 	if sector.CommR == nil {
 		return xerrors.Errorf("invalid sector %d with nil CommR", sector.SectorNumber)
 	}
+	// Abort upgrade for sectors that went faulty since being marked for upgrade
+	tok, _, err := m.Api.ChainHead(ctx.Context())
+	if err != nil {
+		log.Errorf("handleProveReplicaUpdate: api error, not proceeding: %+v", err)
+		return nil
+	}
+	active, err := sectorActive(ctx.Context(), m.Api, m.maddr, tok, sector.SectorNumber)
+	if err != nil {
+		log.Errorf("sector active check: api error, not proceeding: %+v", err)
+		return nil
+	}
+	if !active {
+		log.Errorf("sector marked for upgrade %d no longer active, aborting upgrade", sector.SectorNumber)
+		return ctx.Send(SectorAbortUpgrade{})
+	}

 	vanillaProofs, err := m.sealer.ProveReplicaUpdate1(sector.sealingCtx(ctx.Context()), m.minerSector(sector.SectorType, sector.SectorNumber), *sector.CommR, *sector.UpdateSealed, *sector.UpdateUnsealed)
 	if err != nil {
 		return ctx.Send(SectorProveReplicaUpdateFailed{xerrors.Errorf("prove replica update (1) failed: %w", err)})
 	}

-	if err := checkPieces(ctx.Context(), m.maddr, sector, m.Api); err != nil { // Sanity check state
+	if err := checkPieces(ctx.Context(), m.maddr, sector, m.Api, true); err != nil { // Sanity check state
 		return handleErrors(ctx, err, sector)
 	}

@@ -59,10 +78,6 @@ func (m *Sealing) handleSubmitReplicaUpdate(ctx statemachine.Context, sector Sec
 		return nil
 	}

-	if err := checkPieces(ctx.Context(), m.maddr, sector, m.Api); err != nil { // Sanity check state
-		return handleErrors(ctx, err, sector)
-	}
-
 	if err := checkReplicaUpdate(ctx.Context(), m.maddr, sector, tok, m.Api); err != nil {
 		return ctx.Send(SectorSubmitReplicaUpdateFailed{})
 	}
@@ -153,7 +168,7 @@ func (m *Sealing) handleSubmitReplicaUpdate(ctx statemachine.Context, sector Sec
 		log.Errorf("no good address to send replica update message from: %+v", err)
 		return ctx.Send(SectorSubmitReplicaUpdateFailed{})
 	}
-	mcid, err := m.Api.SendMsg(ctx.Context(), from, m.maddr, miner.Methods.ProveReplicaUpdates, big.Zero(), big.Int(m.feeCfg.MaxCommitGasFee), enc.Bytes())
+	mcid, err := m.Api.SendMsg(ctx.Context(), from, m.maddr, miner.Methods.ProveReplicaUpdates, collateral, big.Int(m.feeCfg.MaxCommitGasFee), enc.Bytes())
 	if err != nil {
 		log.Errorf("handleSubmitReplicaUpdate: error sending message: %+v", err)
 		return ctx.Send(SectorSubmitReplicaUpdateFailed{})
@@ -196,16 +211,76 @@ func (m *Sealing) handleReplicaUpdateWait(ctx statemachine.Context, sector Secto
 	}

 	if !si.SealedCID.Equals(*sector.UpdateSealed) {
-		log.Errorf("mismatch of expected onchain sealed cid after replica update, expected %s got %s", sector.UpdateSealed, si.SealedCID)
-		return ctx.Send(SectorAbortUpgrade{})
+		return ctx.Send(SectorAbortUpgrade{xerrors.Errorf("mismatch of expected onchain sealed cid after replica update, expected %s got %s", sector.UpdateSealed, si.SealedCID)})
 	}
 	return ctx.Send(SectorReplicaUpdateLanded{})
 }

 func (m *Sealing) handleFinalizeReplicaUpdate(ctx statemachine.Context, sector SectorInfo) error {
+	cfg, err := m.getConfig()
+	if err != nil {
+		return xerrors.Errorf("getting sealing config: %w", err)
+	}
+
+	if err := m.sealer.FinalizeReplicaUpdate(sector.sealingCtx(ctx.Context()), m.minerSector(sector.SectorType, sector.SectorNumber), sector.keepUnsealedRanges(false, cfg.AlwaysKeepUnsealedCopy)); err != nil {
+		return ctx.Send(SectorFinalizeFailed{xerrors.Errorf("finalize sector: %w", err)})
+	}
+
 	return ctx.Send(SectorFinalized{})
 }

+func (m *Sealing) handleUpdateActivating(ctx statemachine.Context, sector SectorInfo) error {
+	try := func() error {
+		mw, err := m.Api.StateWaitMsg(ctx.Context(), *sector.ReplicaUpdateMessage)
+		if err != nil {
+			return err
+		}
+
+		tok, _, err := m.Api.ChainHead(ctx.Context())
+		if err != nil {
+			return err
+		}
+
+		nv, err := m.Api.StateNetworkVersion(ctx.Context(), tok)
+		if err != nil {
+			return err
+		}
+
+		lb := policy.GetWinningPoStSectorSetLookback(nv)
+
+		targetHeight := mw.Height + lb + InteractivePoRepConfidence
+
+		return m.events.ChainAt(func(context.Context, TipSetToken, abi.ChainEpoch) error {
+			return ctx.Send(SectorUpdateActive{})
+		}, func(ctx context.Context, ts TipSetToken) error {
+			log.Warn("revert in handleUpdateActivating")
+			return nil
+		}, InteractivePoRepConfidence, targetHeight)
+	}
+
+	for {
+		err := try()
+		if err == nil {
+			break
+		}
+
+		log.Errorw("error in handleUpdateActivating", "error", err)
+
+		// likely an API issue, sleep for a bit and retry
+		time.Sleep(time.Minute)
+	}
+
+	return nil
+}
+
+func (m *Sealing) handleReleaseSectorKey(ctx statemachine.Context, sector SectorInfo) error {
+	if err := m.sealer.ReleaseSectorKey(sector.sealingCtx(ctx.Context()), m.minerSector(sector.SectorType, sector.SectorNumber)); err != nil {
+		return ctx.Send(SectorReleaseKeyFailed{err})
+	}
+
+	return ctx.Send(SectorKeyReleased{})
+}
+
 func handleErrors(ctx statemachine.Context, err error, sector SectorInfo) error {
 	switch err.(type) {
 	case *ErrApi:
@@ -198,7 +198,7 @@ func (m *Sealing) handleGetTicket(ctx statemachine.Context, sector SectorInfo) e
 }

 func (m *Sealing) handlePreCommit1(ctx statemachine.Context, sector SectorInfo) error {
-	if err := checkPieces(ctx.Context(), m.maddr, sector, m.Api); err != nil { // Sanity check state
+	if err := checkPieces(ctx.Context(), m.maddr, sector, m.Api, false); err != nil { // Sanity check state
 		switch err.(type) {
 		case *ErrApi:
 			log.Errorf("handlePreCommit1: api error, not proceeding: %+v", err)
@@ -3,6 +3,7 @@ package sealing
 import (
 	"context"

+	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/lotus/chain/actors/builtin/miner"
 	market7 "github.com/filecoin-project/specs-actors/v7/actors/builtin/market"

@@ -86,19 +87,11 @@ func (m *Sealing) MarkForSnapUpgrade(ctx context.Context, id abi.SectorNumber) e
 		return xerrors.Errorf("failed to read sector on chain info: %w", err)
 	}

-	active, err := m.Api.StateMinerActiveSectors(ctx, m.maddr, tok)
+	active, err := sectorActive(ctx, m.Api, m.maddr, tok, id)
 	if err != nil {
-		return xerrors.Errorf("failed to check active sectors: %w", err)
+		return xerrors.Errorf("failed to check if sector is active")
 	}
-	// Ensure the upgraded sector is active
-	var found bool
-	for _, si := range active {
-		if si.SectorNumber == id {
-			found = true
-			break
-		}
-	}
-	if !found {
+	if !active {
 		return xerrors.Errorf("cannot mark inactive sector for upgrade")
 	}

@@ -110,6 +103,23 @@ func (m *Sealing) MarkForSnapUpgrade(ctx context.Context, id abi.SectorNumber) e
 	return m.sectors.Send(uint64(id), SectorStartCCUpdate{})
 }

+func sectorActive(ctx context.Context, api SealingAPI, maddr address.Address, tok TipSetToken, sector abi.SectorNumber) (bool, error) {
+	active, err := api.StateMinerActiveSectors(ctx, maddr, tok)
+	if err != nil {
+		return false, xerrors.Errorf("failed to check active sectors: %w", err)
+	}
+
+	// Ensure the upgraded sector is active
+	var found bool
+	for _, si := range active {
+		if si.SectorNumber == sector {
+			found = true
+			break
+		}
+	}
+	return found, nil
+}
+
 func (m *Sealing) tryUpgradeSector(ctx context.Context, params *miner.SectorPreCommitInfo) big.Int {
 	if len(params.DealIDs) == 0 {
 		return big.Zero()
@@ -2,6 +2,8 @@ module github.com/filecoin-project/lotus

 go 1.16

+retract v1.14.0 // Accidentally force-pushed tag, use v1.14.1+ instead.
+
 require (
 	contrib.go.opencensus.io/exporter/prometheus v0.4.0
 	github.com/BurntSushi/toml v0.4.1
@@ -26,27 +28,25 @@ require (
 	github.com/elastic/gosigar v0.14.1
 	github.com/etclabscore/go-openrpc-reflect v0.0.36
 	github.com/fatih/color v1.13.0
-	github.com/filecoin-project/dagstore v0.5.2-0.20220120115845-e07b050f48d3
+	github.com/filecoin-project/dagstore v0.4.4
 	github.com/filecoin-project/filecoin-ffi v0.30.4-0.20200910194244-f640612a1a1f
 	github.com/filecoin-project/go-address v0.0.6
 	github.com/filecoin-project/go-bitfield v0.2.4
 	github.com/filecoin-project/go-cbor-util v0.0.1
 	github.com/filecoin-project/go-commp-utils v0.1.3
 	github.com/filecoin-project/go-crypto v0.0.1
-	github.com/filecoin-project/go-data-transfer v1.14.0
+	github.com/filecoin-project/go-data-transfer v1.14.1
+	github.com/filecoin-project/go-ds-versioning v0.1.1 // indirect
 	github.com/filecoin-project/go-fil-commcid v0.1.0
 	github.com/filecoin-project/go-fil-commp-hashhash v0.1.0
-	github.com/filecoin-project/go-fil-markets v1.19.1-0.20220215120226-a0db7a73d4fd
-	github.com/filecoin-project/go-indexer-core v0.2.8
+	github.com/filecoin-project/go-fil-markets v1.19.2
 	github.com/filecoin-project/go-jsonrpc v0.1.5
-	github.com/filecoin-project/go-legs v0.3.0
 	github.com/filecoin-project/go-padreader v0.0.1
-	github.com/filecoin-project/go-paramfetch v0.0.3-0.20220111000201-e42866db1a53
+	github.com/filecoin-project/go-paramfetch v0.0.4
 	github.com/filecoin-project/go-state-types v0.1.3
 	github.com/filecoin-project/go-statemachine v1.0.1
 	github.com/filecoin-project/go-statestore v0.2.0
 	github.com/filecoin-project/go-storedcounter v0.1.0
-	github.com/filecoin-project/index-provider v0.3.0
 	github.com/filecoin-project/specs-actors v0.9.14
 	github.com/filecoin-project/specs-actors/v2 v2.3.6
 	github.com/filecoin-project/specs-actors/v3 v3.1.1
@@ -54,7 +54,7 @@ require (
 	github.com/filecoin-project/specs-actors/v5 v5.0.4
 	github.com/filecoin-project/specs-actors/v6 v6.0.1
 	github.com/filecoin-project/specs-actors/v7 v7.0.0-rc1
-	github.com/filecoin-project/specs-storage v0.1.1-0.20211228030229-6d460d25a0c9
+	github.com/filecoin-project/specs-storage v0.2.0
 	github.com/filecoin-project/test-vectors/schema v0.0.5
 	github.com/gbrlsnchs/jwt/v3 v3.0.1
 	github.com/gdamore/tcell/v2 v2.2.0
@@ -80,7 +80,7 @@ require (
 	github.com/ipfs/go-ds-badger2 v0.1.2
 	github.com/ipfs/go-ds-leveldb v0.5.0
 	github.com/ipfs/go-ds-measure v0.2.0
-	github.com/ipfs/go-fs-lock v0.0.7
+	github.com/ipfs/go-fs-lock v0.0.6
 	github.com/ipfs/go-graphsync v0.12.0
 	github.com/ipfs/go-ipfs-blockstore v1.1.2
 	github.com/ipfs/go-ipfs-blocksutil v0.0.1
@@ -95,13 +95,13 @@ require (
 	github.com/ipfs/go-ipld-cbor v0.0.6
 	github.com/ipfs/go-ipld-format v0.2.0
 	github.com/ipfs/go-ipld-legacy v0.1.1 // indirect
-	github.com/ipfs/go-log/v2 v2.5.0
+	github.com/ipfs/go-log/v2 v2.4.0
 	github.com/ipfs/go-merkledag v0.5.1
 	github.com/ipfs/go-metrics-interface v0.0.1
 	github.com/ipfs/go-metrics-prometheus v0.0.2
-	github.com/ipfs/go-path v0.2.1
+	github.com/ipfs/go-path v0.0.7
 	github.com/ipfs/go-unixfs v0.3.1
-	github.com/ipfs/interface-go-ipfs-core v0.5.2
+	github.com/ipfs/interface-go-ipfs-core v0.4.0
 	github.com/ipld/go-car v0.3.3
 	github.com/ipld/go-car/v2 v2.1.1
 	github.com/ipld/go-codec-dagpb v1.3.0
@@ -111,27 +111,26 @@ require (
 	github.com/kelseyhightower/envconfig v1.4.0
 	github.com/libp2p/go-buffer-pool v0.0.2
 	github.com/libp2p/go-eventbus v0.2.1
-	github.com/libp2p/go-libp2p v0.18.0-rc3
-	github.com/libp2p/go-libp2p-connmgr v0.3.1 // indirect
-	github.com/libp2p/go-libp2p-core v0.14.0
+	github.com/libp2p/go-libp2p v0.17.0
+	github.com/libp2p/go-libp2p-connmgr v0.3.1
+	github.com/libp2p/go-libp2p-core v0.13.0
 	github.com/libp2p/go-libp2p-discovery v0.6.0
 	github.com/libp2p/go-libp2p-kad-dht v0.15.0
 	github.com/libp2p/go-libp2p-noise v0.3.0
 	github.com/libp2p/go-libp2p-peerstore v0.6.0
-	github.com/libp2p/go-libp2p-pubsub v0.6.1
-	github.com/libp2p/go-libp2p-quic-transport v0.16.0
+	github.com/libp2p/go-libp2p-pubsub v0.6.0
+	github.com/libp2p/go-libp2p-quic-transport v0.15.2
 	github.com/libp2p/go-libp2p-record v0.1.3
-	github.com/libp2p/go-libp2p-resource-manager v0.1.3
 	github.com/libp2p/go-libp2p-routing-helpers v0.2.3
-	github.com/libp2p/go-libp2p-swarm v0.10.1
+	github.com/libp2p/go-libp2p-swarm v0.9.0
 	github.com/libp2p/go-libp2p-tls v0.3.1
-	github.com/libp2p/go-libp2p-yamux v0.8.1
+	github.com/libp2p/go-libp2p-yamux v0.7.0
 	github.com/libp2p/go-maddr-filter v0.1.0
 	github.com/mattn/go-isatty v0.0.14
 	github.com/minio/blake2b-simd v0.0.0-20160723061019-3f5f724cb5b1
 	github.com/mitchellh/go-homedir v1.1.0
 	github.com/multiformats/go-base32 v0.0.4
-	github.com/multiformats/go-multiaddr v0.5.0
+	github.com/multiformats/go-multiaddr v0.4.1
 	github.com/multiformats/go-multiaddr-dns v0.3.1
 	github.com/multiformats/go-multibase v0.0.3
 	github.com/multiformats/go-multihash v0.1.0
@@ -146,9 +145,9 @@ require (
 	github.com/stretchr/testify v1.7.0
 	github.com/syndtr/goleveldb v1.0.0
 	github.com/uber/jaeger-client-go v2.25.0+incompatible // indirect
-	github.com/urfave/cli/v2 v2.3.0
+	github.com/urfave/cli/v2 v2.2.0
 	github.com/whyrusleeping/bencher v0.0.0-20190829221104-bb6607aa8bba
-	github.com/whyrusleeping/cbor-gen v0.0.0-20211110122933-f57984553008
+	github.com/whyrusleeping/cbor-gen v0.0.0-20210713220151-be142a5ae1a8
 	github.com/whyrusleeping/ledger-filecoin-go v0.9.1-0.20201010031517-c3dcc1bddce4
 	github.com/whyrusleeping/multiaddr-filter v0.0.0-20160516205228-e903e4adabd7
 	github.com/whyrusleeping/pubsub v0.0.0-20190708150250-92bcb0691325
@@ -158,9 +157,11 @@ require (
 	go.opentelemetry.io/otel/bridge/opencensus v0.25.0
 	go.opentelemetry.io/otel/exporters/jaeger v1.2.0
 	go.opentelemetry.io/otel/sdk v1.2.0
-	go.uber.org/fx v1.15.0
+	go.uber.org/dig v1.10.0 // indirect
+	go.uber.org/fx v1.9.0
 	go.uber.org/multierr v1.7.0
 	go.uber.org/zap v1.19.1
+	golang.org/x/crypto v0.0.0-20211209193657-4570a0811e8b // indirect
 	golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
 	golang.org/x/sys v0.0.0-20211209171907-798191bca915
@@ -169,10 +170,9 @@ require (
 	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1
 	gopkg.in/cheggaaa/pb.v1 v1.0.28
 	gotest.tools v2.2.0+incompatible
+	lukechampine.com/blake3 v1.1.7 // indirect
 )

 replace github.com/filecoin-project/filecoin-ffi => ./extern/filecoin-ffi

 replace github.com/filecoin-project/test-vectors => ./extern/test-vectors
-
-replace github.com/ipfs/go-path => github.com/ipfs/go-path v0.0.7
@@ -1,4 +1,3 @@
-bazil.org/fuse v0.0.0-20200117225306-7b5117fecadc/go.mod h1:FbcW6z/2VytnFDhZfumh8Ss8zxHE6qpMP5sHTRe0EaM=
 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=
@@ -88,7 +87,6 @@ github.com/afex/hystrix-go v0.0.0-20180502004556-fa1af6a1f4f5/go.mod h1:SkGFH1ia
 github.com/ajstarks/svgo v0.0.0-20180226025133-644b8db467af/go.mod h1:K08gAheRH3/J6wwsYMMT4xOr94bZjxIelGM0+d/wbFw=
 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/akrylysov/pogreb v0.10.1/go.mod h1:pNs6QmpQ1UlTJKDezuRWmaqkgUE2TuU0YTWyqJZ7+lI=
 github.com/alecthomas/jsonschema v0.0.0-20200530073317-71f438968921 h1:T3+cD5fYvuH36h7EZq+TDpm+d8a6FSD4pQsbmuGGQ8o=
 github.com/alecthomas/jsonschema v0.0.0-20200530073317-71f438968921/go.mod h1:/n6+1/DWPltRLWL/VKyUxg6tzsl5kHUCcraimt4vr60=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
@@ -98,7 +96,6 @@ github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRF
 github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d/go.mod h1:rBZYJk541a8SKzHPHnH3zbiI+7dagKZ0cgpgrD7Fyho=
 github.com/alecthomas/units v0.0.0-20210927113745-59d0afb8317a h1:E/8AP5dFtMhl5KPJz66Kt9G0n+7Sn41Fy1wv9/jHOrc=
 github.com/alecthomas/units v0.0.0-20210927113745-59d0afb8317a/go.mod h1:OMCwj8VM1Kc9e19TLln2VL61YJF0x1XFtfdL4JdbSyE=
-github.com/alexbrainman/goissue34681 v0.0.0-20191006012335-3fc7a47baff5/go.mod h1:Y2QMoi1vgtOIfc+6DhrMOGkLoGzqSV2rKp4Sm+opsyA=
 github.com/anmitsu/go-shlex v0.0.0-20161002113705-648efa622239/go.mod h1:2FmKhYUyUczH0OGQWaF5ceTx0UBShxjsH6f8oGKYe2c=
 github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
 github.com/apache/thrift v0.12.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
@@ -132,7 +129,6 @@ github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6r
 github.com/bep/debounce v1.2.0 h1:wXds8Kq8qRfwAOpAxHrJDbCXgC5aHSzgQb/0gKsHQqo=
 github.com/bep/debounce v1.2.0/go.mod h1:H8yggRPQKLUhUoqrJC1bO2xNya7vanpDl7xR3ISbCJ0=
 github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
-github.com/blang/semver/v4 v4.0.0/go.mod h1:IbckMUScFkM3pff0VJDNKRiT6TG/YpiHIM2yvyW5YoQ=
 github.com/bradfitz/go-smtpd v0.0.0-20170404230938-deb6d6237625/go.mod h1:HYsPBTaaSFSlLx/70C2HPIMNZpVV8+vt/A+FMnYP11g=
 github.com/briandowns/spinner v1.11.1/go.mod h1:QOuQk7x+EaDASo80FEXwlwiA+j/PPIcX3FScO+3/ZPQ=
 github.com/btcsuite/btcd v0.0.0-20190213025234-306aecffea32/go.mod h1:DrZx5ec/dmnfpw9KyYoQyYo7d0KEvTkk/5M/vbZjAr8=
@@ -163,7 +159,6 @@ github.com/casbin/casbin/v2 v2.37.0/go.mod h1:vByNa/Fchek0KZUgG5wEsl7iFsiviAYKRt
 github.com/cenkalti/backoff v2.2.1+incompatible/go.mod h1:90ReRw6GdpyfrHakVjL/QHaoyV4aDUVVkXQJJJ3NXXM=
 github.com/cenkalti/backoff/v4 v4.1.1/go.mod h1:scbssz8iZGpm3xbr14ovlUdkxfGXNInqkPWOWmG2CLw=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
-github.com/ceramicnetwork/go-dag-jose v0.1.0/go.mod h1:qYA1nYt0X8u4XoMAVoOV3upUVKtrxy/I670Dg5F0wjI=
 github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko=
 github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
 github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
@@ -171,7 +166,6 @@ github.com/cespare/xxhash/v2 v2.1.2 h1:YRXhKfTDauu4ajMg1TPgFO5jnlC2HCbmLXMcTG5cb
 github.com/cespare/xxhash/v2 v2.1.2/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/cheekybits/genny v1.0.0 h1:uGGa4nei+j20rOSeDeP5Of12XVm7TGUd4dJA9RDitfE=
 github.com/cheekybits/genny v1.0.0/go.mod h1:+tQajlRqAUrPI7DOSpB0XAqZYtQakVtB7wXkRAgjxjQ=
-github.com/cheggaaa/pb v1.0.29/go.mod h1:W40334L7FMC5JKWldsTWbdGjLo0RxUKK73K+TuPxX30=
 github.com/chzyer/logex v1.1.10 h1:Swpa1K6QvQznwJRcfTfQJmTE72DqScAa40E+fbHEXEE=
 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
 github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e h1:fY5BOSpyZCqRo5OhCuC+XN+r/bBCmeuuJtjz+bCNIf8=
@@ -204,7 +198,6 @@ github.com/coreos/go-systemd v0.0.0-20181012123002-c6f51f82210d/go.mod h1:F5haX7
 github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/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/go.mod h1:xO0FLkIi5MaZafQlIrOotqXZ90ih+1atmu1JpKERPPk=
 github.com/coreos/go-systemd/v22 v22.1.0/go.mod h1:xO0FLkIi5MaZafQlIrOotqXZ90ih+1atmu1JpKERPPk=
 github.com/coreos/go-systemd/v22 v22.3.2 h1:D9/bQk5vlXQFZ6Kwuu6zaiXJ9oTPe68++AzAJc1DzSI=
 github.com/coreos/go-systemd/v22 v22.3.2/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
@@ -276,7 +269,6 @@ github.com/elastic/go-windows v1.0.0/go.mod h1:TsU0Nrp7/y3+VwE82FoZF8gC/XFg/Elz6
 github.com/elastic/gosigar v0.12.0/go.mod h1:iXRIGg2tLnu7LBdpqzyQfGDEidKCfWcCMS0WKyPWoMs=
 github.com/elastic/gosigar v0.14.1 h1:T0aQ7n/n2ZA9W7DmAnj60v+qzqKERdBgJBO1CG2W6rc=
 github.com/elastic/gosigar v0.14.1/go.mod h1:iXRIGg2tLnu7LBdpqzyQfGDEidKCfWcCMS0WKyPWoMs=
-github.com/elgris/jsondiff v0.0.0-20160530203242-765b5c24c302/go.mod h1:qBlWZqWeVx9BjvqBsnC/8RUlAYpIFmPvgROcw0n1scE=
 github.com/ema/qdisc v0.0.0-20190904071900-b82c76788043/go.mod h1:ix4kG2zvdUd8kEKSW0ZTr1XLks0epFpI4j745DXxlNE=
 github.com/envoyproxy/go-control-plane v0.6.9/go.mod h1:SBwIajubJHhxtWwsL9s8ss4safvEdbitLhGGK48rN6g=
 github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
@@ -298,9 +290,9 @@ github.com/fatih/color v1.9.0/go.mod h1:eQcE1qtQxscV5RaZvpXrrb8Drkc3/DdQ+uUYCNjL
 github.com/fatih/color v1.12.0/go.mod h1:ELkj/draVOlAH/xkhN6mQ50Qd0MPOk5AAr3maGEBuJM=
 github.com/fatih/color v1.13.0 h1:8LOYc1KYPPmyKMuN8QV2DNRWNbLo6LZ0iLs8+mlH53w=
 github.com/fatih/color v1.13.0/go.mod h1:kLAiJbzzSOZDVNGyDpeOxJ47H46qBXwg5ILebYFFOfk=
-github.com/filecoin-project/dagstore v0.5.1/go.mod h1:OdlK3x5m3Mol874WC2bI79H4H2+leN+FabwWdW2D/wY=
-github.com/filecoin-project/dagstore v0.5.2-0.20220120115845-e07b050f48d3 h1:kuZsRFDjyrDAgoHNolJBnO7xX1EETHdJ090sgD3Al5E=
-github.com/filecoin-project/dagstore v0.5.2-0.20220120115845-e07b050f48d3/go.mod h1:OdlK3x5m3Mol874WC2bI79H4H2+leN+FabwWdW2D/wY=
+github.com/filecoin-project/dagstore v0.4.3-0.20211211192320-72b849e131d2/go.mod h1:tlV8C11UljvFq3WWlMh2oMViEaVaPb6uT8eL/YQgDfk=
+github.com/filecoin-project/dagstore v0.4.4 h1:luolWahhzp3ulRsapGKE7raoLE3n2cFkQUJjPyqUmF4=
+github.com/filecoin-project/dagstore v0.4.4/go.mod h1:7BlOvaTJrFJ1Qemt5jHlLJ4VhDIuSIzGS0IwO/0AXPA=
 github.com/filecoin-project/go-address v0.0.3/go.mod h1:jr8JxKsYx+lQlQZmF5i2U0Z+cGQ59wMIps/8YW/lDj8=
 github.com/filecoin-project/go-address v0.0.5/go.mod h1:jr8JxKsYx+lQlQZmF5i2U0Z+cGQ59wMIps/8YW/lDj8=
 github.com/filecoin-project/go-address v0.0.6 h1:DWQtj38ax+ogHwyH3VULRIoT8E6loyXqsk/p81xoY7M=
@@ -324,9 +316,8 @@ github.com/filecoin-project/go-commp-utils v0.1.3/go.mod h1:3ENlD1pZySaUout0p9AN
 github.com/filecoin-project/go-crypto v0.0.0-20191218222705-effae4ea9f03/go.mod h1:+viYnvGtUTgJRdy6oaeF4MTFKAfatX071MPDPBL11EQ=
 github.com/filecoin-project/go-crypto v0.0.1 h1:AcvpSGGCgjaY8y1az6AMfKQWreF/pWO2JJGLl6gCq6o=
 github.com/filecoin-project/go-crypto v0.0.1/go.mod h1:+viYnvGtUTgJRdy6oaeF4MTFKAfatX071MPDPBL11EQ=
-github.com/filecoin-project/go-dagaggregator-unixfs v0.2.0/go.mod h1:WTuJWgBQY0omnQqa8kRPT9O0Uj5wQOgslVMUuTeHdJ8=
-github.com/filecoin-project/go-data-transfer v1.14.0 h1:4pnfJk8FYtqcdAg+QRGzaz57seUC/Tz+HJgPuGB7zdg=
-github.com/filecoin-project/go-data-transfer v1.14.0/go.mod h1:wNJKhaLLYBJDM3VFvgvYi4iUjPa69pz/1Q5Q4HzX2wE=
+github.com/filecoin-project/go-data-transfer v1.14.1 h1:c6V9mXzC1uLAoSCqWQe4lHrN/iwMGPw36xoDDYHlH/M=
+github.com/filecoin-project/go-data-transfer v1.14.1/go.mod h1:TcUtAdQl1ofnLV9oH3gPC93Hjce9yuKnq4O4j2M/BU4=
 github.com/filecoin-project/go-ds-versioning v0.0.0-20211206185234-508abd7c2aff/go.mod h1:C9/l9PnB1+mwPa26BBVpCjG/XQCB0yj/q5CK2J8X1I4=
 github.com/filecoin-project/go-ds-versioning v0.1.1 h1:JiyBqaQlwC+UM0WhcBtVEeT3XrX59mQhT8U3p7nu86o=
 github.com/filecoin-project/go-ds-versioning v0.1.1/go.mod h1:C9/l9PnB1+mwPa26BBVpCjG/XQCB0yj/q5CK2J8X1I4=
@@ -336,8 +327,8 @@ github.com/filecoin-project/go-fil-commcid v0.1.0 h1:3R4ds1A9r6cr8mvZBfMYxTS88Oq
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@@ -345,23 +336,19 @@ github.com/filecoin-project/go-hamt-ipld/v2 v2.0.0/go.mod h1:7aWZdaQ1b16BVoQUYR+
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@@ -374,8 +361,6 @@ github.com/filecoin-project/go-statestore v0.2.0 h1:cRRO0aPLrxKQCZ2UOQbzFGn4WDNd
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@@ -397,14 +382,11 @@ github.com/filecoin-project/specs-actors/v7 v7.0.0-20211117170924-fd07a4c7dff9/g
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@@ -417,14 +399,8 @@ github.com/frankban/quicktest v1.11.3/go.mod h1:wRf/ReqHper53s+kmmSZizM8NamnL3IM
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@@ -433,7 +409,6 @@ github.com/gdamore/tcell/v2 v2.2.0 h1:vSyEgKwraXPSOkvCk7IwOSyX+Pv3V2cV9CikJMXg4U
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@@ -690,8 +665,6 @@ github.com/ipfs/go-bitfield v1.0.0/go.mod h1:N/UiujQy+K+ceU1EF5EkVd1TNqevLrCQMIc
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@@ -751,25 +720,15 @@ github.com/ipfs/go-ds-leveldb v0.5.0 h1:s++MEBbD3ZKc9/8/njrn4flZLnCuY9I79v94gBUN
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@@ -1074,9 +1004,9 @@ github.com/libp2p/go-libp2p-autonat v0.1.1/go.mod h1:OXqkeGOY2xJVWKAGV2inNF5aKN/
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@@ -1133,9 +1062,8 @@ github.com/libp2p/go-libp2p-core v0.9.0/go.mod h1:ESsbz31oC3C1AvMJoGx26RTuCkNhmk
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@@ -1147,12 +1075,8 @@ github.com/libp2p/go-libp2p-discovery v0.3.0/go.mod h1:o03drFnz9BVAZdzC/QUQ+NeQO
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@@ -1173,11 +1097,9 @@ github.com/libp2p/go-libp2p-mplex v0.2.0/go.mod h1:Ejl9IyjvXJ0T9iqUTE1jpYATQ9NM3
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@@ -1388,11 +1286,9 @@ github.com/libp2p/go-ws-transport v0.1.0/go.mod h1:rjw1MG1LU9YDC6gzmwObkPd/Sqwhw
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@@ -1403,13 +1299,9 @@ github.com/libp2p/go-yamux v1.3.7/go.mod h1:fr7aVgmdNGJK+N1g+b6DW6VxzbRCjCOejR/h
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@@ -1417,9 +1309,8 @@ github.com/lucas-clemente/quic-go v0.11.2/go.mod h1:PpMmPfPKO9nKJ/psF49ESTAGQSdf
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@@ -1446,8 +1337,6 @@ github.com/marten-seemann/qtls-go1-16 v0.1.4/go.mod h1:gNpI2Ol+lRS3WwSOtIUUtRwZE
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@@ -1469,7 +1358,6 @@ github.com/mattn/go-isatty v0.0.13/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Ky
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@@ -1488,7 +1376,6 @@ github.com/miekg/dns v1.0.14/go.mod h1:W1PPwlIAgtquWBMBEV9nkV9Cazfe8ScdGz/Lj7v3N
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@@ -1548,15 +1435,13 @@ github.com/multiformats/go-multiaddr v0.3.0/go.mod h1:dF9kph9wfJ+3VLAaeBqo9Of8x4
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@@ -1576,9 +1461,8 @@ github.com/multiformats/go-multibase v0.0.3/go.mod h1:5+1R4eQrT3PkYZ24C3W2Ue2tPw
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@@ -1587,14 +1471,12 @@ github.com/multiformats/go-multihash v0.0.10/go.mod h1:YSLudS+Pi8NHE7o6tb3D8vrpK
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@@ -1675,8 +1557,6 @@ github.com/openzipkin/zipkin-go v0.2.5/go.mod h1:KpXfKdgRDnnhsxw4pNIH9Md5lyFqKUa
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@@ -1877,7 +1757,6 @@ github.com/tj/go-spin v1.1.0 h1:lhdWZsvImxvZ3q1C5OIB7d72DuOwP4O2NdBg9PyzNds=
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@@ -1891,9 +1770,8 @@ github.com/urfave/cli v1.22.1/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtX
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-github.com/urfave/cli/v2 v2.3.0/go.mod h1:LJmUH05zAU44vOAcrfzZQKsZbVcdbOG8rtL3/XcUArI=
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@@ -1901,9 +1779,8 @@ github.com/valyala/fasttemplate v1.0.1/go.mod h1:UQGH1tvbgY+Nz5t2n7tXsz52dQxojPU
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@@ -1931,8 +1808,8 @@ github.com/whyrusleeping/cbor-gen v0.0.0-20200826160007-0b9f6c5fb163/go.mod h1:f
 github.com/whyrusleeping/cbor-gen v0.0.0-20210118024343-169e9d70c0c2/go.mod h1:fgkXqYy7bV2cFeIEOkVTZS/WjXARfBqSH6Q2qHL33hQ=
 github.com/whyrusleeping/cbor-gen v0.0.0-20210219115102-f37d292932f2/go.mod h1:fgkXqYy7bV2cFeIEOkVTZS/WjXARfBqSH6Q2qHL33hQ=
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+github.com/whyrusleeping/cbor-gen v0.0.0-20210713220151-be142a5ae1a8/go.mod h1:fgkXqYy7bV2cFeIEOkVTZS/WjXARfBqSH6Q2qHL33hQ=
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@@ -1941,7 +1818,6 @@ github.com/whyrusleeping/go-keyspace v0.0.0-20160322163242-5b898ac5add1/go.mod h
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-github.com/whyrusleeping/go-sysinfo v0.0.0-20190219211824-4a357d4b90b1/go.mod h1:tKH72zYNt/exx6/5IQO6L9LoQ0rEjd5SbbWaDTs9Zso=
 github.com/whyrusleeping/ledger-filecoin-go v0.9.1-0.20201010031517-c3dcc1bddce4 h1:NwiwjQDB3CzQ5XH0rdMh1oQqzJH7O2PSLWxif/w3zsY=
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@@ -1963,7 +1839,6 @@ github.com/xorcare/golden v0.6.0/go.mod h1:7T39/ZMvaSEZlBPoYfVFmsBLmUl3uz9IuzWj/
 github.com/xorcare/golden v0.6.1-0.20191112154924-b87f686d7542 h1:oWgZJmC1DorFZDpfMfWg7xk29yEOZiXmo/wZl+utTI8=
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-github.com/ybbus/jsonrpc/v2 v2.1.6/go.mod h1:rIuG1+ORoiqocf9xs/v+ecaAVeo3zcZHQgInyKFMeg0=
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@@ -2036,15 +1911,14 @@ go.uber.org/atomic v1.6.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ=
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-go.uber.org/dig v1.12.0 h1:l1GQeZpEbss0/M4l/ZotuBndCrkMdjnygzgcuOjAdaY=
-go.uber.org/dig v1.12.0/go.mod h1:X34SnWGr8Fyla9zQNO2GSO2D+TIuqB14OS8JhYocIyw=
-go.uber.org/fx v1.15.0 h1:kcfBpAm98n0ksanyyZLFE/Q3T7yPi13Ge2liu3TxR+A=
-go.uber.org/fx v1.15.0/go.mod h1:jI3RazQUhGv5KkpZIRv+kuP4CcgX3fnc0qX8bLnzbx8=
+go.uber.org/dig v1.10.0 h1:yLmDDj9/zuDjv3gz8GQGviXMs9TfysIUMUilCpgzUJY=
+go.uber.org/dig v1.10.0/go.mod h1:X34SnWGr8Fyla9zQNO2GSO2D+TIuqB14OS8JhYocIyw=
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-go.uber.org/goleak v1.1.11/go.mod h1:cwTWslyiVhfpKIDGSZEM2HlOvcqm+tG4zioyIeLoqMQ=
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@@ -2094,7 +1968,6 @@ golang.org/x/crypto v0.0.0-20200115085410-6d4e4cb37c7d/go.mod h1:LzIPMQfyMNhhGPh
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@@ -2110,8 +1983,6 @@ golang.org/x/crypto v0.0.0-20210616213533-5ff15b29337e/go.mod h1:GvvjBRRGRdwPK5y
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@@ -2218,7 +2089,6 @@ golang.org/x/net v0.0.0-20210316092652-d523dce5a7f4/go.mod h1:RBQZq4jEuRlivfhVLd
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-golang.org/x/net v0.0.0-20210505024714-0287a6fb4125/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
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@@ -2298,7 +2168,6 @@ golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7w
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@@ -2348,9 +2217,7 @@ golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBc
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-golang.org/x/sys v0.0.0-20210903071746-97244b99971b/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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-golang.org/x/sys v0.0.0-20211025112917-711f33c9992c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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@@ -2575,7 +2442,6 @@ gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMy
 gopkg.in/gcfg.v1 v1.2.3/go.mod h1:yesOnuUOFQAhST5vPY4nbZsb/huCgGGXlipJsBn0b3o=
 gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
 gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
-gopkg.in/square/go-jose.v2 v2.5.1/go.mod h1:M9dMgbHiYLoDGQrXy7OpJDJWiKiU//h+vD76mk0e1AI=
 gopkg.in/src-d/go-cli.v0 v0.0.0-20181105080154-d492247bbc0d/go.mod h1:z+K8VcOYVYcSwSjGebuDL6176A1XskgbtNl64NSg+n8=
 gopkg.in/src-d/go-log.v1 v1.0.1/go.mod h1:GN34hKP0g305ysm2/hctJ0Y8nWP3zxXXJ8GFabTyABE=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
@@ -2625,7 +2491,6 @@ modernc.org/strutil v1.1.0 h1:+1/yCzZxY2pZwwrsbH+4T7BQMoLQ9QiBshRC9eicYsc=
 modernc.org/strutil v1.1.0/go.mod h1:lstksw84oURvj9y3tn8lGvRxyRC1S2+g5uuIzNfIOBs=
 modernc.org/xc v1.0.0 h1:7ccXrupWZIS3twbUGrtKmHS2DXY6xegFua+6O3xgAFU=
 modernc.org/xc v1.0.0/go.mod h1:mRNCo0bvLjGhHO9WsyuKVU4q0ceiDDDoEeWDJHrNx8I=
-pgregory.net/rapid v0.4.7/go.mod h1:UYpPVyjFHzYBGHIxLFoupi8vwk6rXNzRY9OMvVxFIOU=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
 rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4=
 rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
@@ -30,23 +30,14 @@ func TestCCUpgrade(t *testing.T) {
 	//stm: @MINER_SECTOR_LIST_001
 	kit.QuietMiningLogs()

-	for _, height := range []abi.ChainEpoch{
-		-1,  // before
-		162, // while sealing
-		560, // after upgrade deal
-	} {
-		height := height // make linters happy by copying
-		t.Run(fmt.Sprintf("upgrade-%d", height), func(t *testing.T) {
-			runTestCCUpgrade(t, height)
-		})
-	}
+	runTestCCUpgrade(t)
 }

-func runTestCCUpgrade(t *testing.T, upgradeHeight abi.ChainEpoch) *kit.TestFullNode {
+func runTestCCUpgrade(t *testing.T) *kit.TestFullNode {
 	ctx := context.Background()
 	blockTime := 1 * time.Millisecond

-	client, miner, ens := kit.EnsembleMinimal(t, kit.GenesisNetworkVersion(network.Version15))
+	client, miner, ens := kit.EnsembleMinimal(t, kit.GenesisNetworkVersion(network.Version15), kit.ThroughRPC())
 	ens.InterconnectAll().BeginMiningMustPost(blockTime)

 	maddr, err := miner.ActorAddress(ctx)
@@ -72,7 +63,6 @@ func runTestCCUpgrade(t *testing.T, upgradeHeight abi.ChainEpoch) *kit.TestFullN
 	}
 	waitForSectorActive(ctx, t, CCUpgrade, client, maddr)

-	//stm: @SECTOR_CC_UPGRADE_001
 	err = miner.SectorMarkForUpgrade(ctx, sl[0], true)
 	require.NoError(t, err)

@@ -91,6 +81,11 @@ func runTestCCUpgrade(t *testing.T, upgradeHeight abi.ChainEpoch) *kit.TestFullN
 	status, err := miner.SectorsStatus(ctx, CCUpgrade, true)
 	require.NoError(t, err)
 	assert.Equal(t, 1, len(status.Deals))
+
+	miner.WaitSectorsProving(ctx, map[abi.SectorNumber]struct{}{
+		CCUpgrade: {},
+	})
+
 	return client
 }

@@ -137,7 +132,7 @@ func TestCCUpgradeAndPoSt(t *testing.T) {
 	kit.QuietMiningLogs()
 	t.Run("upgrade and then post", func(t *testing.T) {
 		ctx := context.Background()
-		n := runTestCCUpgrade(t, 100)
+		n := runTestCCUpgrade(t)
 		ts, err := n.ChainHead(ctx)
 		require.NoError(t, err)
 		start := ts.Height()
@@ -1,162 +0,0 @@
-package itests
-
-import (
-	"bufio"
-	"context"
-	"os"
-	"testing"
-	"time"
-
-	selectorparse "github.com/ipld/go-ipld-prime/traversal/selector/parse"
-
-	"github.com/filecoin-project/go-state-types/abi"
-	ipld "github.com/ipfs/go-ipld-format"
-	"github.com/ipld/go-car"
-	"github.com/ipld/go-car/v2/blockstore"
-	"github.com/stretchr/testify/require"
-
-	"github.com/filecoin-project/go-fil-markets/storagemarket"
-
-	"github.com/filecoin-project/lotus/api"
-	"github.com/filecoin-project/lotus/chain/actors/policy"
-	"github.com/filecoin-project/lotus/itests/kit"
-	"github.com/filecoin-project/lotus/node"
-	"github.com/filecoin-project/lotus/node/modules"
-	"github.com/filecoin-project/lotus/node/modules/dtypes"
-)
-
-func TestDealRetrieveByAnyCid(t *testing.T) {
-	if testing.Short() {
-		t.Skip("skipping test in short mode")
-	}
-
-	ctx := context.Background()
-	oldDelay := policy.GetPreCommitChallengeDelay()
-	policy.SetPreCommitChallengeDelay(5)
-	t.Cleanup(func() {
-		policy.SetPreCommitChallengeDelay(oldDelay)
-	})
-
-	// Allow 8MB sectors
-	policy.SetSupportedProofTypes(abi.RegisteredSealProof_StackedDrg8MiBV1)
-	kit.QuietMiningLogs()
-
-	// For these tests where the block time is artificially short, just use
-	// a deal start epoch that is guaranteed to be far enough in the future
-	// so that the deal starts sealing in time
-	startEpoch := abi.ChainEpoch(2 << 12)
-
-	// Override the dependency injection for the blockstore accessor, so that
-	// we can get a reference to the blockstore containing our deal later in
-	// the test
-	var bsa storagemarket.BlockstoreAccessor
-	bsaFn := func(importmgr dtypes.ClientImportMgr) storagemarket.BlockstoreAccessor {
-		bsa = modules.StorageBlockstoreAccessor(importmgr)
-		return bsa
-	}
-	bsaOpt := kit.ConstructorOpts(node.Override(new(storagemarket.BlockstoreAccessor), bsaFn))
-
-	// Allow 8MB sectors
-	eightMBSectorsOpt := kit.SectorSize(8 << 20)
-
-	// Create a client, and a miner with its own full node
-	_, client, miner, ens := kit.EnsembleTwoOne(t, kit.MockProofs(), bsaOpt, eightMBSectorsOpt)
-	ens.InterconnectAll().BeginMining(250 * time.Millisecond)
-
-	dh := kit.NewDealHarness(t, client, miner, miner)
-
-	// Generate a DAG with multiple levels, so that we can test the case where
-	// the client requests a CID for a block which is not the root block but
-	// does have a subtree below it in the DAG
-	dagOpts := kit.GeneratedDAGOpts{
-		// Max size of a block
-		ChunkSize: 1024,
-		// Max links from a block to other blocks
-		Maxlinks: 10,
-	}
-	carv1FilePath, _ := kit.CreateRandomCARv1(t, 5, 100*1024, dagOpts)
-	res, err := client.ClientImport(ctx, api.FileRef{Path: carv1FilePath, IsCAR: true})
-	require.NoError(t, err)
-
-	// Get the blockstore for the file
-	bs, err := bsa.Get(res.Root)
-	require.NoError(t, err)
-
-	// Get all CIDs from the file
-	sc := car.NewSelectiveCar(ctx, bs, []car.Dag{{Root: res.Root, Selector: selectorparse.CommonSelector_ExploreAllRecursively}})
-	prepared, err := sc.Prepare()
-	require.NoError(t, err)
-	cids := prepared.Cids()
-	for i, c := range cids {
-		blk, err := bs.Get(ctx, c)
-		require.NoError(t, err)
-
-		nd, err := ipld.Decode(blk)
-		require.NoError(t, err)
-
-		t.Log(i, c, len(nd.Links()))
-	}
-
-	// Create a storage deal
-	dp := dh.DefaultStartDealParams()
-	dp.Data.Root = res.Root
-	dp.DealStartEpoch = startEpoch
-	dp.EpochPrice = abi.NewTokenAmount(62500000) // minimum asking price
-	dealCid := dh.StartDeal(ctx, dp)
-
-	// Wait for the deal to be sealed
-	dh.WaitDealSealed(ctx, dealCid, false, false, nil)
-
-	ask, err := miner.MarketGetRetrievalAsk(ctx)
-	require.NoError(t, err)
-	ask.PricePerByte = abi.NewTokenAmount(0)
-	ask.UnsealPrice = abi.NewTokenAmount(0)
-	err = miner.MarketSetRetrievalAsk(ctx, ask)
-	require.NoError(t, err)
-
-	// Fetch the deal data
-	info, err := client.ClientGetDealInfo(ctx, *dealCid)
-	require.NoError(t, err)
-
-	// Make retrievals against CIDs at different levels in the DAG
-	cidIndices := []int{1, 11, 27, 32, 47}
-	for _, val := range cidIndices {
-		t.Logf("performing retrieval for cid at index %d", val)
-
-		targetCid := cids[val]
-		offer, err := client.ClientMinerQueryOffer(ctx, miner.ActorAddr, targetCid, &info.PieceCID)
-		require.NoError(t, err)
-		require.Empty(t, offer.Err)
-
-		// retrieve in a CAR file and ensure roots match
-		outputCar := dh.PerformRetrieval(ctx, dealCid, targetCid, true, offer)
-		_, err = os.Stat(outputCar)
-		require.NoError(t, err)
-		f, err := os.Open(outputCar)
-		require.NoError(t, err)
-		ch, err := car.ReadHeader(bufio.NewReader(f))
-		require.NoError(t, err)
-		require.EqualValues(t, ch.Roots[0], targetCid)
-		require.NoError(t, f.Close())
-
-		// create CAR from original file starting at targetCid and ensure it matches the retrieved CAR file.
-		tmp, err := os.CreateTemp(t.TempDir(), "randcarv1")
-		require.NoError(t, err)
-		rd, err := blockstore.OpenReadOnly(carv1FilePath, blockstore.UseWholeCIDs(true))
-		require.NoError(t, err)
-		err = car.NewSelectiveCar(
-			ctx,
-			rd,
-			[]car.Dag{{
-				Root:     targetCid,
-				Selector: selectorparse.CommonSelector_ExploreAllRecursively,
-			}},
-		).Write(tmp)
-		require.NoError(t, err)
-		require.NoError(t, tmp.Close())
-		require.NoError(t, rd.Close())
-
-		kit.AssertFilesEqual(t, tmp.Name(), outputCar)
-		t.Log("car files match")
-	}
-}
@@ -8,15 +8,13 @@ import (
 	"testing"
 	"time"

+	"github.com/filecoin-project/lotus/chain/actors/policy"
 	"github.com/stretchr/testify/require"

 	datatransfer "github.com/filecoin-project/go-data-transfer"
-	"github.com/filecoin-project/go-fil-markets/shared_testutil"
 	"github.com/filecoin-project/go-state-types/abi"
-	provider "github.com/filecoin-project/index-provider"

 	"github.com/filecoin-project/lotus/api"
-	"github.com/filecoin-project/lotus/chain/actors/policy"
 	"github.com/filecoin-project/lotus/itests/kit"
 	"github.com/filecoin-project/lotus/node"
 	"github.com/filecoin-project/lotus/node/modules"
@@ -49,9 +47,7 @@ func TestDealWithMarketAndMinerNode(t *testing.T) {
 	runTest := func(t *testing.T, n int, fastRetrieval bool, carExport bool) {
 		api.RunningNodeType = api.NodeMiner // TODO(anteva): fix me

-		idxProv := shared_testutil.NewMockIndexProvider()
-		idxProvOpt := kit.ConstructorOpts(node.Override(new(provider.Interface), idxProv))
-		client, main, market, _ := kit.EnsembleWithMinerAndMarketNodes(t, kit.ThroughRPC(), idxProvOpt)
+		client, main, market, _ := kit.EnsembleWithMinerAndMarketNodes(t, kit.ThroughRPC())

 		dh := kit.NewDealHarness(t, client, main, market)

@@ -60,7 +56,6 @@ func TestDealWithMarketAndMinerNode(t *testing.T) {
 			FastRetrieval: fastRetrieval,
 			CarExport:     carExport,
 			StartEpoch:    startEpoch,
-			IndexProvider: idxProv,
 		})
 	}

@@ -111,14 +111,9 @@ func RunClientTest(t *testing.T, cmds []*lcli.Command, clientNode *TestFullNode)
 	tmpdir, err := ioutil.TempDir(os.TempDir(), "test-cli-client")
 	require.NoError(t, err)
 	path := filepath.Join(tmpdir, "outfile.dat")
-
-	for {
-		out = clientCLI.RunCmd("client", "retrieve", dataCid.String(), path)
-		fmt.Println("retrieve:\n", out)
-		if strings.Contains(out, "Success") {
-			break
-		}
-	}
+	out = clientCLI.RunCmd("client", "retrieve", dataCid.String(), path)
+	fmt.Println("retrieve:\n", out)
+	require.Regexp(t, regexp.MustCompile("Success"), out)
 }

 func CreateImportFile(ctx context.Context, client api.FullNode, rseed int, size int) (res *api.ImportRes, path string, data []byte, err error) {
@@ -11,7 +11,6 @@ import (
 	"time"

 	"github.com/filecoin-project/go-fil-markets/retrievalmarket"
-	"github.com/filecoin-project/go-fil-markets/shared_testutil"
 	"github.com/filecoin-project/go-fil-markets/storagemarket"
 	"github.com/filecoin-project/go-state-types/abi"
 	"github.com/filecoin-project/lotus/api"
@@ -306,20 +305,14 @@ func (dh *DealHarness) StartSealingWaiting(ctx context.Context) {
 	}
 }

-func (dh *DealHarness) PerformRetrieval(ctx context.Context, deal *cid.Cid, root cid.Cid, carExport bool, offers ...api.QueryOffer) (path string) {
-	var offer api.QueryOffer
-	if len(offers) == 0 {
-		// perform retrieval.
-		info, err := dh.client.ClientGetDealInfo(ctx, *deal)
-		require.NoError(dh.t, err)
+func (dh *DealHarness) PerformRetrieval(ctx context.Context, deal *cid.Cid, root cid.Cid, carExport bool) (path string) {
+	// perform retrieval.
+	info, err := dh.client.ClientGetDealInfo(ctx, *deal)
+	require.NoError(dh.t, err)

-		offers, err := dh.client.ClientFindData(ctx, root, &info.PieceCID)
-		require.NoError(dh.t, err)
-		require.NotEmpty(dh.t, offers, "no offers")
-		offer = offers[0]
-	} else {
-		offer = offers[0]
-	}
+	offers, err := dh.client.ClientFindData(ctx, root, &info.PieceCID)
+	require.NoError(dh.t, err)
+	require.NotEmpty(dh.t, offers, "no offers")

 	carFile, err := ioutil.TempFile(dh.t.TempDir(), "ret-car")
 	require.NoError(dh.t, err)
@@ -333,7 +326,7 @@ func (dh *DealHarness) PerformRetrieval(ctx context.Context, deal *cid.Cid, root
 	updates, err := dh.client.ClientGetRetrievalUpdates(updatesCtx)
 	require.NoError(dh.t, err)

-	retrievalRes, err := dh.client.ClientRetrieve(ctx, offer.Order(caddr))
+	retrievalRes, err := dh.client.ClientRetrieve(ctx, offers[0].Order(caddr))
 	require.NoError(dh.t, err)
 consumeEvents:
 	for {
@@ -370,6 +363,11 @@ consumeEvents:
 		}))

 	ret := carFile.Name()
+	if carExport {
+		actualFile := dh.ExtractFileFromCAR(ctx, carFile)
+		ret = actualFile.Name()
+		_ = actualFile.Close() //nolint:errcheck
+	}

 	return ret
 }
@@ -406,11 +404,9 @@ type RunConcurrentDealsOpts struct {
 	CarExport                bool
 	StartEpoch               abi.ChainEpoch
 	UseCARFileForStorageDeal bool
-	IndexProvider            *shared_testutil.MockIndexProvider
 }

 func (dh *DealHarness) RunConcurrentDeals(opts RunConcurrentDealsOpts) {
-	ctx := context.Background()
 	errgrp, _ := errgroup.WithContext(context.Background())
 	for i := 0; i < opts.N; i++ {
 		i := i
@@ -433,28 +429,10 @@ func (dh *DealHarness) RunConcurrentDeals(opts RunConcurrentDealsOpts) {
 				UseCARFileForStorageDeal: opts.UseCARFileForStorageDeal,
 			})

-			// Check that the storage provider announced the deal to indexers
-			if opts.IndexProvider != nil {
-				notifs := opts.IndexProvider.GetNotifs()
-				_, ok := notifs[string(deal.Bytes())]
-				require.True(dh.t, ok)
-			}
-
 			dh.t.Logf("retrieving deal %d/%d", i, opts.N)

 			outPath := dh.PerformRetrieval(context.Background(), deal, res.Root, opts.CarExport)
-
-			if opts.CarExport {
-				f, err := os.Open(outPath)
-				require.NoError(dh.t, err)
-				actualFile := dh.ExtractFileFromCAR(ctx, f)
-				require.NoError(dh.t, f.Close())
-
-				AssertFilesEqual(dh.t, inPath, actualFile.Name())
-			} else {
-				AssertFilesEqual(dh.t, inPath, outPath)
-			}
-
+			AssertFilesEqual(dh.t, inPath, outPath)
 			return nil
 		})
 	}
@@ -14,7 +14,7 @@ func CategorizeDealState(dealStatus string) TestDealState {
 	switch dealStatus {
 	case "StorageDealFailing", "StorageDealError":
 		return TestDealStateFailed
-	case "StorageDealAwaitingPreCommit", "StorageDealSealing", "StorageDealActive", "StorageDealExpired", "StorageDealSlashed":
+	case "StorageDealStaged", "StorageDealAwaitingPreCommit", "StorageDealSealing", "StorageDealActive", "StorageDealExpired", "StorageDealSlashed":
 		return TestDealStateComplete
 	}
 	return TestDealStateInProgress
@@ -36,8 +36,6 @@ import (
 	"github.com/filecoin-project/lotus/extern/sector-storage/ffiwrapper"
 	"github.com/filecoin-project/lotus/extern/sector-storage/mock"
 	"github.com/filecoin-project/lotus/genesis"
-	"github.com/filecoin-project/lotus/markets/idxprov"
-	idxprov_test "github.com/filecoin-project/lotus/markets/idxprov/idxprov_test"
 	lotusminer "github.com/filecoin-project/lotus/miner"
 	"github.com/filecoin-project/lotus/node"
 	"github.com/filecoin-project/lotus/node/config"
@@ -279,7 +277,7 @@ func (n *Ensemble) Start() *Ensemble {
 		// We haven't been bootstrapped yet, we need to generate genesis and
 		// create the networking backbone.
 		gtempl = n.generateGenesis()
-		n.mn = mocknet.New()
+		n.mn = mocknet.New(ctx)
 	}

 	// ---------------------
@@ -543,12 +541,6 @@ func (n *Ensemble) Start() *Ensemble {
 			node.Override(new(stmgr.UpgradeSchedule), n.options.upgradeSchedule),
 		}

-		if m.options.subsystems.Has(SMarkets) {
-			opts = append(opts,
-				node.Override(new(idxprov.MeshCreator), idxprov_test.NewNoopMeshCreator),
-			)
-		}
-
 		// append any node builder options.
 		opts = append(opts, m.options.extraNodeOpts...)

@@ -29,7 +29,7 @@ import (
 	"github.com/stretchr/testify/require"
 )

-const unixfsChunkSize int64 = 1 << 10
+const unixfsChunkSize uint64 = 1 << 10

 var defaultHashFunction = uint64(mh.BLAKE2B_MIN + 31)

@@ -54,7 +54,7 @@ func CreateRandomFile(t *testing.T, rseed, size int) (path string) {

 // CreateRandomFile creates a  normal file with the provided seed and the
 // provided size and then transforms it to a CARv1 file and returns it.
-func CreateRandomCARv1(t *testing.T, rseed, size int, opts ...GeneratedDAGOpts) (carV1FilePath string, origFilePath string) {
+func CreateRandomCARv1(t *testing.T, rseed, size int) (carV1FilePath string, origFilePath string) {
 	ctx := context.Background()
 	if size == 0 {
 		size = 1600
@@ -75,7 +75,7 @@ func CreateRandomCARv1(t *testing.T, rseed, size int, opts ...GeneratedDAGOpts)
 	bs := bstore.NewBlockstore(dssync.MutexWrap(ds.NewMapDatastore()))
 	dagSvc := merkledag.NewDAGService(blockservice.New(bs, offline.Exchange(bs)))

-	root := writeUnixfsDAG(ctx, t, file, dagSvc, opts...)
+	root := writeUnixfsDAG(ctx, t, file, dagSvc)

 	// create a CARv1 file from the DAG
 	tmp, err := os.CreateTemp(t.TempDir(), "randcarv1")
@@ -92,20 +92,7 @@ func CreateRandomCARv1(t *testing.T, rseed, size int, opts ...GeneratedDAGOpts)
 	return tmp.Name(), file.Name()
 }

-type GeneratedDAGOpts struct {
-	ChunkSize int64
-	Maxlinks  int
-}
-
-func writeUnixfsDAG(ctx context.Context, t *testing.T, rd io.Reader, dag ipldformat.DAGService, opts ...GeneratedDAGOpts) cid.Cid {
-	dagOpts := GeneratedDAGOpts{
-		ChunkSize: unixfsChunkSize,
-		Maxlinks:  1024,
-	}
-	if len(opts) > 0 {
-		dagOpts = opts[0]
-	}
-
+func writeUnixfsDAG(ctx context.Context, t *testing.T, rd io.Reader, dag ipldformat.DAGService) cid.Cid {
 	rpf := files.NewReaderFile(rd)

 	// generate the dag and get the root
@@ -116,7 +103,7 @@ func writeUnixfsDAG(ctx context.Context, t *testing.T, rd io.Reader, dag ipldfor

 	bufferedDS := ipldformat.NewBufferedDAG(ctx, dag)
 	params := ihelper.DagBuilderParams{
-		Maxlinks:  dagOpts.Maxlinks,
+		Maxlinks:  1024,
 		RawLeaves: true,
 		CidBuilder: cidutil.InlineBuilder{
 			Builder: prefix,
@@ -125,7 +112,7 @@ func writeUnixfsDAG(ctx context.Context, t *testing.T, rd io.Reader, dag ipldfor
 		Dagserv: bufferedDS,
 	}

-	db, err := params.New(chunk.NewSizeSplitter(rpf, dagOpts.ChunkSize))
+	db, err := params.New(chunk.NewSizeSplitter(rpf, int64(unixfsChunkSize)))
 	require.NoError(t, err)

 	nd, err := balanced.Layout(db)
@@ -87,7 +87,10 @@ type TestMiner struct {

 func (tm *TestMiner) PledgeSectors(ctx context.Context, n, existing int, blockNotif <-chan struct{}) {
 	toCheck := tm.StartPledge(ctx, n, existing, blockNotif)
+	tm.WaitSectorsProving(ctx, toCheck)
+}

+func (tm *TestMiner) WaitSectorsProving(ctx context.Context, toCheck map[abi.SectorNumber]struct{}) {
 	for len(toCheck) > 0 {
 		tm.FlushSealingBatches(ctx)

@@ -105,9 +108,8 @@ func (tm *TestMiner) PledgeSectors(ctx context.Context, n, existing int, blockNo
 		}

 		build.Clock.Sleep(100 * time.Millisecond)
-		fmt.Printf("WaitSeal: %d %+v\n", len(toCheck), states)
+		fmt.Printf("WaitSectorsProving: %d %+v\n", len(toCheck), states)
 	}
-
 }

 func (tm *TestMiner) StartPledge(ctx context.Context, n, existing int, blockNotif <-chan struct{}) map[abi.SectorNumber]struct{} {
@@ -39,6 +39,7 @@ func fullRpc(t *testing.T, f *TestFullNode) *TestFullNode {
 	require.NoError(t, err)

 	srv, maddr := CreateRPCServer(t, handler, l)
+	fmt.Printf("FULLNODE RPC ENV FOR CLI DEBUGGING `export FULLNODE_API_INFO=%s`\n", "ws://"+srv.Listener.Addr().String())

 	cl, stop, err := client.NewFullNodeRPCV1(context.Background(), "ws://"+srv.Listener.Addr().String()+"/rpc/v1", nil)
 	require.NoError(t, err)
@@ -54,7 +55,9 @@ func minerRpc(t *testing.T, m *TestMiner) *TestMiner {

 	srv, maddr := CreateRPCServer(t, handler, m.RemoteListener)

-	fmt.Println("creating RPC server for", m.ActorAddr, "at: ", srv.Listener.Addr().String())
+	fmt.Printf("creating RPC server for %s at %s\n", m.ActorAddr, srv.Listener.Addr().String())
+	fmt.Printf("SP RPC ENV FOR CLI DEBUGGING `export MINER_API_INFO=%s`\n", "ws://"+srv.Listener.Addr().String())
+
 	url := "ws://" + srv.Listener.Addr().String() + "/rpc/v0"
 	cl, stop, err := client.NewStorageMinerRPCV0(context.Background(), url, nil)
 	require.NoError(t, err)
@@ -3,18 +3,12 @@ package dagstore
 import (
 	"context"
 	"errors"
-	"fmt"
 	"math"
 	"os"
 	"path/filepath"
 	"sync"
 	"time"

-	"github.com/filecoin-project/go-indexer-core/store/storethehash"
-	"github.com/libp2p/go-libp2p-core/host"
-
-	carindex "github.com/ipld/go-car/v2/index"
-
 	"github.com/ipfs/go-cid"
 	ds "github.com/ipfs/go-datastore"
 	levelds "github.com/ipfs/go-ds-leveldb"
@@ -59,7 +53,7 @@ type Wrapper struct {

 var _ stores.DAGStoreWrapper = (*Wrapper)(nil)

-func NewDAGStore(cfg config.DAGStoreConfig, minerApi MinerAPI, h host.Host) (*dagstore.DAGStore, *Wrapper, error) {
+func NewDAGStore(cfg config.DAGStoreConfig, minerApi MinerAPI) (*dagstore.DAGStore, *Wrapper, error) {
 	// construct the DAG Store.
 	registry := mount.NewRegistry()
 	if err := registry.Register(lotusScheme, mountTemplate(minerApi)); err != nil {
@@ -85,15 +79,9 @@ func NewDAGStore(cfg config.DAGStoreConfig, minerApi MinerAPI, h host.Host) (*da

 	irepo, err := index.NewFSRepo(indexDir)
 	if err != nil {
-		return nil, nil, xerrors.Errorf("failed to initialise dagstore index repo: %w", err)
+		return nil, nil, xerrors.Errorf("failed to initialise dagstore index repo")
 	}

-	store, err := storethehash.New(indexDir)
-	if err != nil {
-		return nil, nil, xerrors.Errorf("failed to initialise store the index: %w", err)
-	}
-	topIndex := index.NewInverted(store, h.ID())
-
 	dcfg := dagstore.Config{
 		TransientsDir: transientsDir,
 		IndexRepo:     irepo,
@@ -101,7 +89,6 @@ func NewDAGStore(cfg config.DAGStoreConfig, minerApi MinerAPI, h host.Host) (*da
 		MountRegistry: registry,
 		FailureCh:     failureCh,
 		TraceCh:       traceCh,
-		TopLevelIndex: topIndex,
 		// not limiting fetches globally, as the Lotus mount does
 		// conditional throttling.
 		MaxConcurrentIndex:        cfg.MaxConcurrentIndex,
@@ -411,33 +398,6 @@ func (w *Wrapper) markRegistrationComplete() error {
 	return file.Close()
 }

-// Get all the pieces that contain a block
-func (w *Wrapper) GetPiecesContainingBlock(blockCID cid.Cid) ([]cid.Cid, error) {
-	// Pieces are stored as "shards" in the DAG store
-	shardKeys, err := w.dagst.ShardsContainingMultihash(blockCID.Hash())
-	if err != nil {
-		return nil, xerrors.Errorf("getting pieces containing block %s: %w", blockCID, err)
-	}
-
-	// Convert from shard key to cid
-	pieceCids := make([]cid.Cid, 0, len(shardKeys))
-	for _, k := range shardKeys {
-		c, err := cid.Parse(k.String())
-		if err != nil {
-			prefix := fmt.Sprintf("getting pieces containing block %s:", blockCID)
-			return nil, xerrors.Errorf(prefix+" converting shard key %s to piece cid: %w", k, err)
-		}
-
-		pieceCids = append(pieceCids, c)
-	}
-
-	return pieceCids, nil
-}
-
-func (w *Wrapper) GetIterableIndexForPiece(pieceCid cid.Cid) (carindex.IterableIndex, error) {
-	return w.dagst.GetIterableIndex(shard.KeyFromCID(pieceCid))
-}
-
 func (w *Wrapper) Close() error {
 	// Cancel the context
 	w.cancel()
--- a/Show More
+++ b/Show More