Merge branch 'release/v1.12.0' into jen/12tomaster

CHANGELOG.md

@@ -1,5 +1,61 @@
 # Lotus changelog
 
+# v1.12.0-rc1 / 2021-10-01
+
+This is the first release candidate for lotus v1.11.3. Changelog will be updated later.
+
+## Changelog
+- github.com/filecoin-project/lotus:
+  - bump the version to v1.12.0-rc1
+  - Upgrade to actors v6-rc1
+  - Set Chocolate upgrade epoch for butterfly
+  - reset of the butterfly network
+  - reset butterfly network
+  - Precommit batch balancer support/config ([filecoin-project/lotus#7410](https://github.com/filecoin-project/lotus/pull/7410))
+  - Extend FaultMaxAge to 6 weeks for actors v6 on test networks only ([filecoin-project/lotus#7421](https://github.com/filecoin-project/lotus/pull/7421))
+  - Update to actors master ([filecoin-project/lotus#7404](https://github.com/filecoin-project/lotus/pull/7404))
+  - Fix Drand fetching around null tipsets ([filecoin-project/lotus#7376](https://github.com/filecoin-project/lotus/pull/7376))
+  - ChainStore: Add a tiebreaker rule for tipsets of equal weight ([filecoin-project/lotus#7378](https://github.com/filecoin-project/lotus/pull/7378))
+  - Sync: Sanity check msg siggy type ([filecoin-project/lotus#7379](https://github.com/filecoin-project/lotus/pull/7379))
+  - Add v6 actors ([filecoin-project/lotus#7357](https://github.com/filecoin-project/lotus/pull/7357))
+  - Randomness: Move getters from ChainAPI to StateAPI
+- github.com/filecoin-project/go-state-types (v0.1.1-0.20210810190654-139e0e79e69e -> v0.1.1-0.20210915140513-d354ccf10379):
+  - Add v14
+- github.com/filecoin-project/specs-actors/v6 (null -> v6.0.0-20211001193936-c3afe7fa3c5c):
+  - Better logging (#1503) ([filecoin-project/specs-actors#1503](https://github.com/filecoin-project/specs-actors/pull/1503))
+  - Defensive programming: harden power actor against seal verify failures (#1502) ([filecoin-project/specs-actors#1502](https://github.com/filecoin-project/specs-actors/pull/1502))
+  - BatchBalancer fee charged on precommit aggregate (#1497) ([filecoin-project/specs-actors#1497](https://github.com/filecoin-project/specs-actors/pull/1497))
+  - Fix #1486 (#1489) ([filecoin-project/specs-actors#1489](https://github.com/filecoin-project/specs-actors/pull/1489))
+  - Sector extension deal weight bug fix  (#1498) ([filecoin-project/specs-actors#1498](https://github.com/filecoin-project/specs-actors/pull/1498))
+  - Fip 0021 (#1487) ([filecoin-project/specs-actors#1487](https://github.com/filecoin-project/specs-actors/pull/1487))
+  - Fix #176 (swap to xerrors from pkg/errors) (#1494) ([filecoin-project/specs-actors#1494](https://github.com/filecoin-project/specs-actors/pull/1494))
+  - Merge branch 'master' of github.com:filecoin-project/specs-actors
+  - Merge branch 'fix-799'
+  - compute the hash of the proposal iff the proposal hash is present (#1365) ([filecoin-project/specs-actors#1365](https://github.com/filecoin-project/specs-actors/pull/1365))
+  - Revert "Remove cc upgrade (#1473)" (#1475) ([filecoin-project/specs-actors#1475](https://github.com/filecoin-project/specs-actors/pull/1475))
+  - Remove cc upgrade (#1473) ([filecoin-project/specs-actors#1473](https://github.com/filecoin-project/specs-actors/pull/1473))
+  - Update to v6 (#1468) ([filecoin-project/specs-actors#1468](https://github.com/filecoin-project/specs-actors/pull/1468))
+  - go state types version revert (#1467) ([filecoin-project/specs-actors#1467](https://github.com/filecoin-project/specs-actors/pull/1467))
+  - Adjust code for subtle change in go-multihash 0.0.15 (#1463) ([filecoin-project/specs-actors#1463](https://github.com/filecoin-project/specs-actors/pull/1463))
+  - Bump go state types (#1464) ([filecoin-project/specs-actors#1464](https://github.com/filecoin-project/specs-actors/pull/1464))
+  - Create CODEOWNERS (#1465) ([filecoin-project/specs-actors#1465](https://github.com/filecoin-project/specs-actors/pull/1465))
+  - Test deterministic offset (#1462) ([filecoin-project/specs-actors#1462](https://github.com/filecoin-project/specs-actors/pull/1462))
+
+Contributors
+
+| Contributor | Commits | Lines ± | Files Changed |
+|-------------|---------|---------|---------------|
+| ZenGround0 | 12 | +4202/-2752 | 187 |
+| Aayush Rajasekaran | 19 | +4491/-825 | 169 |
+| c r | 4 | +1276/-435 | 37 |
+| Claudia Richoux | 12 | +1350/-209 | 43 |
+| Łukasz Magiera | 1 | +171/-13 | 8 |
+| Steven Allen | 2 | +115/-12 | 6 |
+| Travis Person | 2 | +19/-19 | 7 |
+| Peter Rabbitson | 1 | +5/-3 | 1 |
+| Jennifer Wang | 1 | +4/-4 | 7 |
+| Steve Loeppky | 1 | +6/-0 | 1 |
+
 # v1.11.3 / 2021-09-29
 
 lotus v1.11.3 is a feature release that's **highly recommended to ALL lotus users to upgrade**, including node 

build/bootstrap/butterflynet.pi

@@ -1,2 +1,2 @@
-/dns4/bootstrap-0.butterfly.fildev.network/tcp/1347/p2p/12D3KooWBbZd7Su9XfLUQ12RynGQ3ZmGY1nGqFntmqop9pLNJE6g
+/dns4/bootstrap-0.butterfly.fildev.network/tcp/1347/p2p/12D3KooWBzv5sf4eTyo8cjJGfGnpxo6QkEPkRShG9GqjE2A5QaW5
-/dns4/bootstrap-1.butterfly.fildev.network/tcp/1347/p2p/12D3KooWGKRzEY4tJFTmAmrYUpa1CVVohmV9YjJbC9v5XWY2gUji
+/dns4/bootstrap-1.butterfly.fildev.network/tcp/1347/p2p/12D3KooWBo9TSD4XXRFtu6snv6QNYvXgRaSaVb116YiYEsDWgKtq

build/params_2k.go

@@ -10,12 +10,16 @@ import (
 	"github.com/ipfs/go-cid"
 
 	"github.com/filecoin-project/go-state-types/abi"
+	"github.com/filecoin-project/go-state-types/network"
 	"github.com/filecoin-project/lotus/chain/actors/policy"
+	miner6 "github.com/filecoin-project/specs-actors/v6/actors/builtin/miner"
 )
 
 const BootstrappersFile = ""
 const GenesisFile = ""
 
+const GenesisNetworkVersion = network.Version14
+
 var UpgradeBreezeHeight = abi.ChainEpoch(-1)
 
 const BreezeGasTampingDuration = 0
@@ -42,6 +46,8 @@ var UpgradeTurboHeight = abi.ChainEpoch(-15)
 
 var UpgradeHyperdriveHeight = abi.ChainEpoch(-16)
 
+var UpgradeChocolateHeight = abi.ChainEpoch(-17)
+
 var DrandSchedule = map[abi.ChainEpoch]DrandEnum{
 	0: DrandMainnet,
 }
@@ -82,8 +88,12 @@ func init() {
 	UpgradeNorwegianHeight = getUpgradeHeight("LOTUS_NORWEGIAN_HEIGHT", UpgradeNorwegianHeight)
 	UpgradeTurboHeight = getUpgradeHeight("LOTUS_ACTORSV4_HEIGHT", UpgradeTurboHeight)
 	UpgradeHyperdriveHeight = getUpgradeHeight("LOTUS_HYPERDRIVE_HEIGHT", UpgradeHyperdriveHeight)
+	UpgradeChocolateHeight = getUpgradeHeight("LOTUS_CHOCOLATE_HEIGHT", UpgradeChocolateHeight)
 
 	BuildType |= Build2k
+
+	// To test out what this proposal would like on devnets / testnets: https://github.com/filecoin-project/FIPs/pull/190
+	miner6.FaultMaxAge = miner6.WPoStProvingPeriod * 42
 }
 
 const BlockDelaySecs = uint64(4)

build/params_butterfly.go

@@ -6,8 +6,10 @@ package build
 import (
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	"github.com/filecoin-project/go-state-types/network"
 	"github.com/filecoin-project/lotus/chain/actors/policy"
 	builtin2 "github.com/filecoin-project/specs-actors/v2/actors/builtin"
+	miner6 "github.com/filecoin-project/specs-actors/v6/actors/builtin/miner"
 	"github.com/ipfs/go-cid"
 )
 
@@ -15,6 +17,8 @@ var DrandSchedule = map[abi.ChainEpoch]DrandEnum{
 	0: DrandMainnet,
 }
 
+const GenesisNetworkVersion = network.Version13
+
 const BootstrappersFile = "butterflynet.pi"
 const GenesisFile = "butterflynet.car"
 
@@ -24,19 +28,20 @@ const UpgradeSmokeHeight = -2
 const UpgradeIgnitionHeight = -3
 const UpgradeRefuelHeight = -4
 
-var UpgradeAssemblyHeight = abi.ChainEpoch(30)
+var UpgradeAssemblyHeight = abi.ChainEpoch(-5)
 
-const UpgradeTapeHeight = 60
+const UpgradeTapeHeight = -6
-const UpgradeLiftoffHeight = -5
+const UpgradeLiftoffHeight = -7
-const UpgradeKumquatHeight = 90
+const UpgradeKumquatHeight = -8
-const UpgradeCalicoHeight = 120
+const UpgradeCalicoHeight = -9
-const UpgradePersianHeight = 150
+const UpgradePersianHeight = -10
-const UpgradeClausHeight = 180
+const UpgradeClausHeight = -11
-const UpgradeOrangeHeight = 210
+const UpgradeOrangeHeight = -12
-const UpgradeTrustHeight = 240
+const UpgradeTrustHeight = -13
-const UpgradeNorwegianHeight = UpgradeTrustHeight + (builtin2.EpochsInHour * 12)
+const UpgradeNorwegianHeight = -14
-const UpgradeTurboHeight = 8922
+const UpgradeTurboHeight = -15
-const UpgradeHyperdriveHeight = 9999999
+const UpgradeHyperdriveHeight = -16
+const UpgradeChocolateHeight = 6360
 
 func init() {
 	policy.SetConsensusMinerMinPower(abi.NewStoragePower(2 << 30))
@@ -49,6 +54,9 @@ func init() {
 	Devnet = true
 
 	BuildType = BuildButterflynet
+
+	// To test out what this proposal would like on devnets / testnets: https://github.com/filecoin-project/FIPs/pull/190
+	miner6.FaultMaxAge = miner6.WPoStProvingPeriod * 42
 }
 
 const BlockDelaySecs = uint64(builtin2.EpochDurationSeconds)

build/params_calibnet.go

@@ -6,8 +6,10 @@ package build
 import (
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	"github.com/filecoin-project/go-state-types/network"
 	"github.com/filecoin-project/lotus/chain/actors/policy"
 	builtin2 "github.com/filecoin-project/specs-actors/v2/actors/builtin"
+	miner6 "github.com/filecoin-project/specs-actors/v6/actors/builtin/miner"
 	"github.com/ipfs/go-cid"
 )
 
@@ -15,6 +17,8 @@ var DrandSchedule = map[abi.ChainEpoch]DrandEnum{
 	0: DrandMainnet,
 }
 
+const GenesisNetworkVersion = network.Version0
+
 const BootstrappersFile = "calibnet.pi"
 const GenesisFile = "calibnet.car"
 
@@ -49,6 +53,8 @@ const UpgradeTurboHeight = 390
 
 const UpgradeHyperdriveHeight = 420
 
+const UpgradeChocolateHeight = 312746
+
 func init() {
 	policy.SetConsensusMinerMinPower(abi.NewStoragePower(32 << 30))
 	policy.SetSupportedProofTypes(
@@ -61,6 +67,9 @@ func init() {
 	Devnet = true
 
 	BuildType = BuildCalibnet
+
+	// To test out what this proposal would like on devnets / testnets: https://github.com/filecoin-project/FIPs/pull/190
+	miner6.FaultMaxAge = miner6.WPoStProvingPeriod * 42
 }
 
 const BlockDelaySecs = uint64(builtin2.EpochDurationSeconds)

build/params_interop.go

@@ -11,7 +11,9 @@ import (
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	"github.com/filecoin-project/go-state-types/network"
 	builtin2 "github.com/filecoin-project/specs-actors/v2/actors/builtin"
+	miner6 "github.com/filecoin-project/specs-actors/v6/actors/builtin/miner"
 
 	"github.com/filecoin-project/lotus/chain/actors/policy"
 )
@@ -19,6 +21,8 @@ import (
 const BootstrappersFile = "interopnet.pi"
 const GenesisFile = "interopnet.car"
 
+const GenesisNetworkVersion = network.Version13
+
 var UpgradeBreezeHeight = abi.ChainEpoch(-1)
 
 const BreezeGasTampingDuration = 0
@@ -44,6 +48,7 @@ var UpgradeNorwegianHeight = abi.ChainEpoch(-14)
 var UpgradeTurboHeight = abi.ChainEpoch(-15)
 
 var UpgradeHyperdriveHeight = abi.ChainEpoch(-16)
+var UpgradeChocolateHeight = abi.ChainEpoch(-17)
 
 var DrandSchedule = map[abi.ChainEpoch]DrandEnum{
 	0: DrandMainnet,
@@ -93,6 +98,9 @@ func init() {
 	BuildType |= BuildInteropnet
 	SetAddressNetwork(address.Testnet)
 	Devnet = true
+
+	// To test out what this proposal would like on devnets / testnets: https://github.com/filecoin-project/FIPs/pull/190
+	miner6.FaultMaxAge = miner6.WPoStProvingPeriod * 42
 }
 
 const BlockDelaySecs = uint64(builtin2.EpochDurationSeconds)

build/params_mainnet.go

@@ -7,6 +7,8 @@ import (
 	"math"
 	"os"
 
+	"github.com/filecoin-project/go-state-types/network"
+
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
 	builtin2 "github.com/filecoin-project/specs-actors/v2/actors/builtin"
@@ -17,6 +19,8 @@ var DrandSchedule = map[abi.ChainEpoch]DrandEnum{
 	UpgradeSmokeHeight: DrandMainnet,
 }
 
+const GenesisNetworkVersion = network.Version0
+
 const BootstrappersFile = "mainnet.pi"
 const GenesisFile = "mainnet.car"
 
@@ -60,13 +64,16 @@ const UpgradeTurboHeight = 712320
 // 2021-06-30T22:00:00Z
 var UpgradeHyperdriveHeight = abi.ChainEpoch(892800)
 
+// ???
+var UpgradeChocolateHeight = abi.ChainEpoch(999999999)
+
 func init() {
 	if os.Getenv("LOTUS_USE_TEST_ADDRESSES") != "1" {
 		SetAddressNetwork(address.Mainnet)
 	}
 
-	if os.Getenv("LOTUS_DISABLE_HYPERDRIVE") == "1" {
+	if os.Getenv("LOTUS_DISABLE_CHOCOLATE") == "1" {
-		UpgradeHyperdriveHeight = math.MaxInt64
+		UpgradeChocolateHeight = math.MaxInt64
 	}
 
 	Devnet = false

build/params_shared_vals.go

@@ -26,6 +26,8 @@ const UnixfsLinksPerLevel = 1024
 // Consensus / Network
 
 const AllowableClockDriftSecs = uint64(1)
+
+// TODO: This is still terrible...What's the impact of updating this before mainnet actually upgrades
 const NewestNetworkVersion = network.Version13
 
 // Epochs

build/params_testground.go

@@ -98,12 +98,15 @@ var (
 	UpgradeNorwegianHeight  abi.ChainEpoch = -13
 	UpgradeTurboHeight      abi.ChainEpoch = -14
 	UpgradeHyperdriveHeight abi.ChainEpoch = -15
+	UpgradeChocolateHeight  abi.ChainEpoch = -16
 
 	DrandSchedule = map[abi.ChainEpoch]DrandEnum{
 		0: DrandMainnet,
 	}
 
-	NewestNetworkVersion       = network.Version11
+	GenesisNetworkVersion = network.Version0
+
+	NewestNetworkVersion       = network.Version14
 	ActorUpgradeNetworkVersion = network.Version4
 
 	Devnet      = true

build/version.go

@@ -37,7 +37,7 @@ func BuildTypeString() string {
 }
 
 // BuildVersion is the local build version
-const BuildVersion = "1.11.4-dev"
+const BuildVersion = "1.13.0-dev"
 
 func UserVersion() string {
 	if os.Getenv("LOTUS_VERSION_IGNORE_COMMIT") == "1" {

chain/actors/builtin/account/account.go

@@ -21,6 +21,8 @@ import (
 	builtin4 "github.com/filecoin-project/specs-actors/v4/actors/builtin"
 
 	builtin5 "github.com/filecoin-project/specs-actors/v5/actors/builtin"
+
+	builtin6 "github.com/filecoin-project/specs-actors/v6/actors/builtin"
 )
 
 func init() {
@@ -44,6 +46,10 @@ func init() {
 	builtin.RegisterActorState(builtin5.AccountActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
 		return load5(store, root)
 	})
+
+	builtin.RegisterActorState(builtin6.AccountActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
+		return load6(store, root)
+	})
 }
 
 var Methods = builtin4.MethodsAccount
@@ -66,6 +72,9 @@ func Load(store adt.Store, act *types.Actor) (State, error) {
 	case builtin5.AccountActorCodeID:
 		return load5(store, act.Head)
 
+	case builtin6.AccountActorCodeID:
+		return load6(store, act.Head)
+
 	}
 	return nil, xerrors.Errorf("unknown actor code %s", act.Code)
 }
@@ -88,6 +97,9 @@ func MakeState(store adt.Store, av actors.Version, addr address.Address) (State,
 	case actors.Version5:
 		return make5(store, addr)
 
+	case actors.Version6:
+		return make6(store, addr)
+
 	}
 	return nil, xerrors.Errorf("unknown actor version %d", av)
 }
@@ -110,6 +122,9 @@ func GetActorCodeID(av actors.Version) (cid.Cid, error) {
 	case actors.Version5:
 		return builtin5.AccountActorCodeID, nil
 
+	case actors.Version6:
+		return builtin6.AccountActorCodeID, nil
+
 	}
 
 	return cid.Undef, xerrors.Errorf("unknown actor version %d", av)

chain/actors/builtin/account/v6.go

@@ -0,0 +1,40 @@
+package account
+
+import (
+	"github.com/filecoin-project/go-address"
+	"github.com/ipfs/go-cid"
+
+	"github.com/filecoin-project/lotus/chain/actors/adt"
+
+	account6 "github.com/filecoin-project/specs-actors/v6/actors/builtin/account"
+)
+
+var _ State = (*state6)(nil)
+
+func load6(store adt.Store, root cid.Cid) (State, error) {
+	out := state6{store: store}
+	err := store.Get(store.Context(), root, &out)
+	if err != nil {
+		return nil, err
+	}
+	return &out, nil
+}
+
+func make6(store adt.Store, addr address.Address) (State, error) {
+	out := state6{store: store}
+	out.State = account6.State{Address: addr}
+	return &out, nil
+}
+
+type state6 struct {
+	account6.State
+	store adt.Store
+}
+
+func (s *state6) PubkeyAddress() (address.Address, error) {
+	return s.Address, nil
+}
+
+func (s *state6) GetState() interface{} {
+	return &s.State
+}

chain/actors/builtin/builtin.go

@@ -20,46 +20,49 @@ import (
 	builtin5 "github.com/filecoin-project/specs-actors/v5/actors/builtin"
 	smoothing5 "github.com/filecoin-project/specs-actors/v5/actors/util/smoothing"
 
+	builtin6 "github.com/filecoin-project/specs-actors/v6/actors/builtin"
+	smoothing6 "github.com/filecoin-project/specs-actors/v6/actors/util/smoothing"
+
 	"github.com/filecoin-project/go-state-types/abi"
 	"github.com/filecoin-project/go-state-types/cbor"
 
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/chain/types"
 
-	miner5 "github.com/filecoin-project/specs-actors/v5/actors/builtin/miner"
+	miner6 "github.com/filecoin-project/specs-actors/v6/actors/builtin/miner"
-	proof5 "github.com/filecoin-project/specs-actors/v5/actors/runtime/proof"
+	proof6 "github.com/filecoin-project/specs-actors/v6/actors/runtime/proof"
 )
 
-var SystemActorAddr = builtin5.SystemActorAddr
+var SystemActorAddr = builtin6.SystemActorAddr
-var BurntFundsActorAddr = builtin5.BurntFundsActorAddr
+var BurntFundsActorAddr = builtin6.BurntFundsActorAddr
-var CronActorAddr = builtin5.CronActorAddr
+var CronActorAddr = builtin6.CronActorAddr
 var SaftAddress = makeAddress("t0122")
 var ReserveAddress = makeAddress("t090")
 var RootVerifierAddress = makeAddress("t080")
 
 var (
-	ExpectedLeadersPerEpoch = builtin5.ExpectedLeadersPerEpoch
+	ExpectedLeadersPerEpoch = builtin6.ExpectedLeadersPerEpoch
 )
 
 const (
-	EpochDurationSeconds = builtin5.EpochDurationSeconds
+	EpochDurationSeconds = builtin6.EpochDurationSeconds
-	EpochsInDay          = builtin5.EpochsInDay
+	EpochsInDay          = builtin6.EpochsInDay
-	SecondsInDay         = builtin5.SecondsInDay
+	SecondsInDay         = builtin6.SecondsInDay
 )
 
 const (
-	MethodSend        = builtin5.MethodSend
+	MethodSend        = builtin6.MethodSend
-	MethodConstructor = builtin5.MethodConstructor
+	MethodConstructor = builtin6.MethodConstructor
 )
 
 // These are all just type aliases across actor versions. In the future, that might change
 // and we might need to do something fancier.
-type SectorInfo = proof5.SectorInfo
+type SectorInfo = proof6.SectorInfo
-type PoStProof = proof5.PoStProof
+type PoStProof = proof6.PoStProof
 type FilterEstimate = smoothing0.FilterEstimate
 
 func QAPowerForWeight(size abi.SectorSize, duration abi.ChainEpoch, dealWeight, verifiedWeight abi.DealWeight) abi.StoragePower {
-	return miner5.QAPowerForWeight(size, duration, dealWeight, verifiedWeight)
+	return miner6.QAPowerForWeight(size, duration, dealWeight, verifiedWeight)
 }
 
 func FromV0FilterEstimate(v0 smoothing0.FilterEstimate) FilterEstimate {
@@ -92,6 +95,12 @@ func FromV5FilterEstimate(v5 smoothing5.FilterEstimate) FilterEstimate {
 
 }
 
+func FromV6FilterEstimate(v6 smoothing6.FilterEstimate) FilterEstimate {
+
+	return (FilterEstimate)(v6)
+
+}
+
 type ActorStateLoader func(store adt.Store, root cid.Cid) (cbor.Marshaler, error)
 
 var ActorStateLoaders = make(map[cid.Cid]ActorStateLoader)
@@ -126,6 +135,9 @@ func ActorNameByCode(c cid.Cid) string {
 	case builtin5.IsBuiltinActor(c):
 		return builtin5.ActorNameByCode(c)
 
+	case builtin6.IsBuiltinActor(c):
+		return builtin6.ActorNameByCode(c)
+
 	default:
 		return "<unknown>"
 	}
@@ -153,6 +165,10 @@ func IsBuiltinActor(c cid.Cid) bool {
 		return true
 	}
 
+	if builtin6.IsBuiltinActor(c) {
+		return true
+	}
+
 	return false
 }
 
@@ -178,6 +194,10 @@ func IsAccountActor(c cid.Cid) bool {
 		return true
 	}
 
+	if c == builtin6.AccountActorCodeID {
+		return true
+	}
+
 	return false
 }
 
@@ -203,6 +223,10 @@ func IsStorageMinerActor(c cid.Cid) bool {
 		return true
 	}
 
+	if c == builtin6.StorageMinerActorCodeID {
+		return true
+	}
+
 	return false
 }
 
@@ -228,6 +252,10 @@ func IsMultisigActor(c cid.Cid) bool {
 		return true
 	}
 
+	if c == builtin6.MultisigActorCodeID {
+		return true
+	}
+
 	return false
 }
 
@@ -253,6 +281,10 @@ func IsPaymentChannelActor(c cid.Cid) bool {
 		return true
 	}
 
+	if c == builtin6.PaymentChannelActorCodeID {
+		return true
+	}
+
 	return false
 }
 

chain/actors/builtin/cron/cron.go

@@ -15,6 +15,8 @@ import (
 	builtin4 "github.com/filecoin-project/specs-actors/v4/actors/builtin"
 
 	builtin5 "github.com/filecoin-project/specs-actors/v5/actors/builtin"
+
+	builtin6 "github.com/filecoin-project/specs-actors/v6/actors/builtin"
 )
 
 func MakeState(store adt.Store, av actors.Version) (State, error) {
@@ -35,6 +37,9 @@ func MakeState(store adt.Store, av actors.Version) (State, error) {
 	case actors.Version5:
 		return make5(store)
 
+	case actors.Version6:
+		return make6(store)
+
 	}
 	return nil, xerrors.Errorf("unknown actor version %d", av)
 }
@@ -57,14 +62,17 @@ func GetActorCodeID(av actors.Version) (cid.Cid, error) {
 	case actors.Version5:
 		return builtin5.CronActorCodeID, nil
 
+	case actors.Version6:
+		return builtin6.CronActorCodeID, nil
+
 	}
 
 	return cid.Undef, xerrors.Errorf("unknown actor version %d", av)
 }
 
 var (
-	Address = builtin5.CronActorAddr
+	Address = builtin6.CronActorAddr
-	Methods = builtin5.MethodsCron
+	Methods = builtin6.MethodsCron
 )
 
 type State interface {

chain/actors/builtin/cron/v6.go

@@ -0,0 +1,35 @@
+package cron
+
+import (
+	"github.com/ipfs/go-cid"
+
+	"github.com/filecoin-project/lotus/chain/actors/adt"
+
+	cron6 "github.com/filecoin-project/specs-actors/v6/actors/builtin/cron"
+)
+
+var _ State = (*state6)(nil)
+
+func load6(store adt.Store, root cid.Cid) (State, error) {
+	out := state6{store: store}
+	err := store.Get(store.Context(), root, &out)
+	if err != nil {
+		return nil, err
+	}
+	return &out, nil
+}
+
+func make6(store adt.Store) (State, error) {
+	out := state6{store: store}
+	out.State = *cron6.ConstructState(cron6.BuiltInEntries())
+	return &out, nil
+}
+
+type state6 struct {
+	cron6.State
+	store adt.Store
+}
+
+func (s *state6) GetState() interface{} {
+	return &s.State
+}

chain/actors/builtin/init/init.go

@@ -23,6 +23,8 @@ import (
 	builtin4 "github.com/filecoin-project/specs-actors/v4/actors/builtin"
 
 	builtin5 "github.com/filecoin-project/specs-actors/v5/actors/builtin"
+
+	builtin6 "github.com/filecoin-project/specs-actors/v6/actors/builtin"
 )
 
 func init() {
@@ -46,11 +48,15 @@ func init() {
 	builtin.RegisterActorState(builtin5.InitActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
 		return load5(store, root)
 	})
+
+	builtin.RegisterActorState(builtin6.InitActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
+		return load6(store, root)
+	})
 }
 
 var (
-	Address = builtin5.InitActorAddr
+	Address = builtin6.InitActorAddr
-	Methods = builtin5.MethodsInit
+	Methods = builtin6.MethodsInit
 )
 
 func Load(store adt.Store, act *types.Actor) (State, error) {
@@ -71,6 +77,9 @@ func Load(store adt.Store, act *types.Actor) (State, error) {
 	case builtin5.InitActorCodeID:
 		return load5(store, act.Head)
 
+	case builtin6.InitActorCodeID:
+		return load6(store, act.Head)
+
 	}
 	return nil, xerrors.Errorf("unknown actor code %s", act.Code)
 }
@@ -93,6 +102,9 @@ func MakeState(store adt.Store, av actors.Version, networkName string) (State, e
 	case actors.Version5:
 		return make5(store, networkName)
 
+	case actors.Version6:
+		return make6(store, networkName)
+
 	}
 	return nil, xerrors.Errorf("unknown actor version %d", av)
 }
@@ -115,6 +127,9 @@ func GetActorCodeID(av actors.Version) (cid.Cid, error) {
 	case actors.Version5:
 		return builtin5.InitActorCodeID, nil
 
+	case actors.Version6:
+		return builtin6.InitActorCodeID, nil
+
 	}
 
 	return cid.Undef, xerrors.Errorf("unknown actor version %d", av)

chain/actors/builtin/init/v6.go

@@ -0,0 +1,114 @@
+package init
+
+import (
+	"github.com/filecoin-project/go-address"
+	"github.com/filecoin-project/go-state-types/abi"
+	"github.com/ipfs/go-cid"
+	cbg "github.com/whyrusleeping/cbor-gen"
+	"golang.org/x/xerrors"
+
+	"github.com/filecoin-project/lotus/chain/actors/adt"
+	"github.com/filecoin-project/lotus/node/modules/dtypes"
+
+	builtin6 "github.com/filecoin-project/specs-actors/v6/actors/builtin"
+
+	init6 "github.com/filecoin-project/specs-actors/v6/actors/builtin/init"
+	adt6 "github.com/filecoin-project/specs-actors/v6/actors/util/adt"
+)
+
+var _ State = (*state6)(nil)
+
+func load6(store adt.Store, root cid.Cid) (State, error) {
+	out := state6{store: store}
+	err := store.Get(store.Context(), root, &out)
+	if err != nil {
+		return nil, err
+	}
+	return &out, nil
+}
+
+func make6(store adt.Store, networkName string) (State, error) {
+	out := state6{store: store}
+
+	s, err := init6.ConstructState(store, networkName)
+	if err != nil {
+		return nil, err
+	}
+
+	out.State = *s
+
+	return &out, nil
+}
+
+type state6 struct {
+	init6.State
+	store adt.Store
+}
+
+func (s *state6) ResolveAddress(address address.Address) (address.Address, bool, error) {
+	return s.State.ResolveAddress(s.store, address)
+}
+
+func (s *state6) MapAddressToNewID(address address.Address) (address.Address, error) {
+	return s.State.MapAddressToNewID(s.store, address)
+}
+
+func (s *state6) ForEachActor(cb func(id abi.ActorID, address address.Address) error) error {
+	addrs, err := adt6.AsMap(s.store, s.State.AddressMap, builtin6.DefaultHamtBitwidth)
+	if err != nil {
+		return err
+	}
+	var actorID cbg.CborInt
+	return addrs.ForEach(&actorID, func(key string) error {
+		addr, err := address.NewFromBytes([]byte(key))
+		if err != nil {
+			return err
+		}
+		return cb(abi.ActorID(actorID), addr)
+	})
+}
+
+func (s *state6) NetworkName() (dtypes.NetworkName, error) {
+	return dtypes.NetworkName(s.State.NetworkName), nil
+}
+
+func (s *state6) SetNetworkName(name string) error {
+	s.State.NetworkName = name
+	return nil
+}
+
+func (s *state6) SetNextID(id abi.ActorID) error {
+	s.State.NextID = id
+	return nil
+}
+
+func (s *state6) Remove(addrs ...address.Address) (err error) {
+	m, err := adt6.AsMap(s.store, s.State.AddressMap, builtin6.DefaultHamtBitwidth)
+	if err != nil {
+		return err
+	}
+	for _, addr := range addrs {
+		if err = m.Delete(abi.AddrKey(addr)); err != nil {
+			return xerrors.Errorf("failed to delete entry for address: %s; err: %w", addr, err)
+		}
+	}
+	amr, err := m.Root()
+	if err != nil {
+		return xerrors.Errorf("failed to get address map root: %w", err)
+	}
+	s.State.AddressMap = amr
+	return nil
+}
+
+func (s *state6) SetAddressMap(mcid cid.Cid) error {
+	s.State.AddressMap = mcid
+	return nil
+}
+
+func (s *state6) AddressMap() (adt.Map, error) {
+	return adt6.AsMap(s.store, s.State.AddressMap, builtin6.DefaultHamtBitwidth)
+}
+
+func (s *state6) GetState() interface{} {
+	return &s.State
+}

chain/actors/builtin/market/actor.go.template

@@ -1,6 +1,7 @@
 package market
 
 import (
+	"github.com/filecoin-project/go-state-types/network"
 	"golang.org/x/xerrors"
 
 	"github.com/filecoin-project/go-address"
@@ -103,7 +104,28 @@ type DealProposals interface {
 }
 
 type PublishStorageDealsParams = market0.PublishStorageDealsParams
-type PublishStorageDealsReturn = market0.PublishStorageDealsReturn
+
+type PublishStorageDealsReturn interface {
+    DealIDs() ([]abi.DealID, error)
+	// Note that this index is based on the batch of deals that were published, NOT the DealID
+	IsDealValid(index uint64) (bool, error)
+}
+
+func DecodePublishStorageDealsReturn(b []byte, nv network.Version) (PublishStorageDealsReturn, error) {
+	av, err := actors.VersionForNetwork(nv)
+	if err != nil {
+		return nil, err
+	}
+
+	switch av {
+{{range .versions}}
+	case actors.Version{{.}}:
+		return decodePublishStorageDealsReturn{{.}}(b)
+{{end}}
+}
+	return nil, xerrors.Errorf("unknown actor version %d", av)
+}
+
 type VerifyDealsForActivationParams = market0.VerifyDealsForActivationParams
 type WithdrawBalanceParams = market0.WithdrawBalanceParams
 

chain/actors/builtin/market/market.go

@@ -1,6 +1,7 @@
 package market
 
 import (
+	"github.com/filecoin-project/go-state-types/network"
 	"golang.org/x/xerrors"
 
 	"github.com/filecoin-project/go-address"
@@ -22,6 +23,8 @@ import (
 
 	builtin5 "github.com/filecoin-project/specs-actors/v5/actors/builtin"
 
+	builtin6 "github.com/filecoin-project/specs-actors/v6/actors/builtin"
+
 	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/chain/actors/builtin"
@@ -49,11 +52,15 @@ func init() {
 	builtin.RegisterActorState(builtin5.StorageMarketActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
 		return load5(store, root)
 	})
+
+	builtin.RegisterActorState(builtin6.StorageMarketActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
+		return load6(store, root)
+	})
 }
 
 var (
-	Address = builtin5.StorageMarketActorAddr
+	Address = builtin6.StorageMarketActorAddr
-	Methods = builtin5.MethodsMarket
+	Methods = builtin6.MethodsMarket
 )
 
 func Load(store adt.Store, act *types.Actor) (State, error) {
@@ -74,6 +81,9 @@ func Load(store adt.Store, act *types.Actor) (State, error) {
 	case builtin5.StorageMarketActorCodeID:
 		return load5(store, act.Head)
 
+	case builtin6.StorageMarketActorCodeID:
+		return load6(store, act.Head)
+
 	}
 	return nil, xerrors.Errorf("unknown actor code %s", act.Code)
 }
@@ -96,6 +106,9 @@ func MakeState(store adt.Store, av actors.Version) (State, error) {
 	case actors.Version5:
 		return make5(store)
 
+	case actors.Version6:
+		return make6(store)
+
 	}
 	return nil, xerrors.Errorf("unknown actor version %d", av)
 }
@@ -118,6 +131,9 @@ func GetActorCodeID(av actors.Version) (cid.Cid, error) {
 	case actors.Version5:
 		return builtin5.StorageMarketActorCodeID, nil
 
+	case actors.Version6:
+		return builtin6.StorageMarketActorCodeID, nil
+
 	}
 
 	return cid.Undef, xerrors.Errorf("unknown actor version %d", av)
@@ -162,7 +178,43 @@ type DealProposals interface {
 }
 
 type PublishStorageDealsParams = market0.PublishStorageDealsParams
-type PublishStorageDealsReturn = market0.PublishStorageDealsReturn
+
+type PublishStorageDealsReturn interface {
+	DealIDs() ([]abi.DealID, error)
+	// Note that this index is based on the batch of deals that were published, NOT the DealID
+	IsDealValid(index uint64) (bool, error)
+}
+
+func DecodePublishStorageDealsReturn(b []byte, nv network.Version) (PublishStorageDealsReturn, error) {
+	av, err := actors.VersionForNetwork(nv)
+	if err != nil {
+		return nil, err
+	}
+
+	switch av {
+
+	case actors.Version0:
+		return decodePublishStorageDealsReturn0(b)
+
+	case actors.Version2:
+		return decodePublishStorageDealsReturn2(b)
+
+	case actors.Version3:
+		return decodePublishStorageDealsReturn3(b)
+
+	case actors.Version4:
+		return decodePublishStorageDealsReturn4(b)
+
+	case actors.Version5:
+		return decodePublishStorageDealsReturn5(b)
+
+	case actors.Version6:
+		return decodePublishStorageDealsReturn6(b)
+
+	}
+	return nil, xerrors.Errorf("unknown actor version %d", av)
+}
+
 type VerifyDealsForActivationParams = market0.VerifyDealsForActivationParams
 type WithdrawBalanceParams = market0.WithdrawBalanceParams
 

chain/actors/builtin/market/state.go.template

@@ -7,6 +7,7 @@ import (
 	"github.com/filecoin-project/go-state-types/abi"
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
+	"golang.org/x/xerrors"
 
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/chain/types"
@@ -236,3 +237,31 @@ func fromV{{.v}}DealProposal(v{{.v}} market{{.v}}.DealProposal) DealProposal {
 func (s *state{{.v}}) GetState() interface{} {
 	return &s.State
 }
+
+var _ PublishStorageDealsReturn = (*publishStorageDealsReturn{{.v}})(nil)
+
+func decodePublishStorageDealsReturn{{.v}}(b []byte) (PublishStorageDealsReturn, error) {
+	var retval market{{.v}}.PublishStorageDealsReturn
+	if err := retval.UnmarshalCBOR(bytes.NewReader(b)); err != nil {
+		return nil, xerrors.Errorf("failed to unmarshal PublishStorageDealsReturn: %w", err)
+	}
+
+	return &publishStorageDealsReturn{{.v}}{retval}, nil
+}
+
+type publishStorageDealsReturn{{.v}} struct {
+	market{{.v}}.PublishStorageDealsReturn
+}
+
+func (r *publishStorageDealsReturn{{.v}}) IsDealValid(index uint64) (bool, error) {
+	{{if (ge .v 6)}}
+	    return r.ValidDeals.IsSet(index)
+	{{else}}
+	    // PublishStorageDeals only succeeded if all deals were valid in this version of actors
+	    return true, nil
+	{{end}}
+}
+
+func (r *publishStorageDealsReturn{{.v}}) DealIDs() ([]abi.DealID, error) {
+    return r.IDs, nil
+}

chain/actors/builtin/market/v0.go

@@ -7,6 +7,7 @@ import (
 	"github.com/filecoin-project/go-state-types/abi"
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
+	"golang.org/x/xerrors"
 
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/chain/types"
@@ -229,3 +230,29 @@ func fromV0DealProposal(v0 market0.DealProposal) DealProposal {
 func (s *state0) GetState() interface{} {
 	return &s.State
 }
+
+var _ PublishStorageDealsReturn = (*publishStorageDealsReturn0)(nil)
+
+func decodePublishStorageDealsReturn0(b []byte) (PublishStorageDealsReturn, error) {
+	var retval market0.PublishStorageDealsReturn
+	if err := retval.UnmarshalCBOR(bytes.NewReader(b)); err != nil {
+		return nil, xerrors.Errorf("failed to unmarshal PublishStorageDealsReturn: %w", err)
+	}
+
+	return &publishStorageDealsReturn0{retval}, nil
+}
+
+type publishStorageDealsReturn0 struct {
+	market0.PublishStorageDealsReturn
+}
+
+func (r *publishStorageDealsReturn0) IsDealValid(index uint64) (bool, error) {
+
+	// PublishStorageDeals only succeeded if all deals were valid in this version of actors
+	return true, nil
+
+}
+
+func (r *publishStorageDealsReturn0) DealIDs() ([]abi.DealID, error) {
+	return r.IDs, nil
+}

chain/actors/builtin/market/v2.go

@@ -7,6 +7,7 @@ import (
 	"github.com/filecoin-project/go-state-types/abi"
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
+	"golang.org/x/xerrors"
 
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/chain/types"
@@ -229,3 +230,29 @@ func fromV2DealProposal(v2 market2.DealProposal) DealProposal {
 func (s *state2) GetState() interface{} {
 	return &s.State
 }
+
+var _ PublishStorageDealsReturn = (*publishStorageDealsReturn2)(nil)
+
+func decodePublishStorageDealsReturn2(b []byte) (PublishStorageDealsReturn, error) {
+	var retval market2.PublishStorageDealsReturn
+	if err := retval.UnmarshalCBOR(bytes.NewReader(b)); err != nil {
+		return nil, xerrors.Errorf("failed to unmarshal PublishStorageDealsReturn: %w", err)
+	}
+
+	return &publishStorageDealsReturn2{retval}, nil
+}
+
+type publishStorageDealsReturn2 struct {
+	market2.PublishStorageDealsReturn
+}
+
+func (r *publishStorageDealsReturn2) IsDealValid(index uint64) (bool, error) {
+
+	// PublishStorageDeals only succeeded if all deals were valid in this version of actors
+	return true, nil
+
+}
+
+func (r *publishStorageDealsReturn2) DealIDs() ([]abi.DealID, error) {
+	return r.IDs, nil
+}

chain/actors/builtin/market/v3.go

@@ -7,6 +7,7 @@ import (
 	"github.com/filecoin-project/go-state-types/abi"
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
+	"golang.org/x/xerrors"
 
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/chain/types"
@@ -224,3 +225,29 @@ func fromV3DealProposal(v3 market3.DealProposal) DealProposal {
 func (s *state3) GetState() interface{} {
 	return &s.State
 }
+
+var _ PublishStorageDealsReturn = (*publishStorageDealsReturn3)(nil)
+
+func decodePublishStorageDealsReturn3(b []byte) (PublishStorageDealsReturn, error) {
+	var retval market3.PublishStorageDealsReturn
+	if err := retval.UnmarshalCBOR(bytes.NewReader(b)); err != nil {
+		return nil, xerrors.Errorf("failed to unmarshal PublishStorageDealsReturn: %w", err)
+	}
+
+	return &publishStorageDealsReturn3{retval}, nil
+}
+
+type publishStorageDealsReturn3 struct {
+	market3.PublishStorageDealsReturn
+}
+
+func (r *publishStorageDealsReturn3) IsDealValid(index uint64) (bool, error) {
+
+	// PublishStorageDeals only succeeded if all deals were valid in this version of actors
+	return true, nil
+
+}
+
+func (r *publishStorageDealsReturn3) DealIDs() ([]abi.DealID, error) {
+	return r.IDs, nil
+}

chain/actors/builtin/market/v4.go

@@ -7,6 +7,7 @@ import (
 	"github.com/filecoin-project/go-state-types/abi"
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
+	"golang.org/x/xerrors"
 
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/chain/types"
@@ -224,3 +225,29 @@ func fromV4DealProposal(v4 market4.DealProposal) DealProposal {
 func (s *state4) GetState() interface{} {
 	return &s.State
 }
+
+var _ PublishStorageDealsReturn = (*publishStorageDealsReturn4)(nil)
+
+func decodePublishStorageDealsReturn4(b []byte) (PublishStorageDealsReturn, error) {
+	var retval market4.PublishStorageDealsReturn
+	if err := retval.UnmarshalCBOR(bytes.NewReader(b)); err != nil {
+		return nil, xerrors.Errorf("failed to unmarshal PublishStorageDealsReturn: %w", err)
+	}
+
+	return &publishStorageDealsReturn4{retval}, nil
+}
+
+type publishStorageDealsReturn4 struct {
+	market4.PublishStorageDealsReturn
+}
+
+func (r *publishStorageDealsReturn4) IsDealValid(index uint64) (bool, error) {
+
+	// PublishStorageDeals only succeeded if all deals were valid in this version of actors
+	return true, nil
+
+}
+
+func (r *publishStorageDealsReturn4) DealIDs() ([]abi.DealID, error) {
+	return r.IDs, nil
+}

chain/actors/builtin/market/v5.go

@@ -7,6 +7,7 @@ import (
 	"github.com/filecoin-project/go-state-types/abi"
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
+	"golang.org/x/xerrors"
 
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/chain/types"
@@ -224,3 +225,29 @@ func fromV5DealProposal(v5 market5.DealProposal) DealProposal {
 func (s *state5) GetState() interface{} {
 	return &s.State
 }
+
+var _ PublishStorageDealsReturn = (*publishStorageDealsReturn5)(nil)
+
+func decodePublishStorageDealsReturn5(b []byte) (PublishStorageDealsReturn, error) {
+	var retval market5.PublishStorageDealsReturn
+	if err := retval.UnmarshalCBOR(bytes.NewReader(b)); err != nil {
+		return nil, xerrors.Errorf("failed to unmarshal PublishStorageDealsReturn: %w", err)
+	}
+
+	return &publishStorageDealsReturn5{retval}, nil
+}
+
+type publishStorageDealsReturn5 struct {
+	market5.PublishStorageDealsReturn
+}
+
+func (r *publishStorageDealsReturn5) IsDealValid(index uint64) (bool, error) {
+
+	// PublishStorageDeals only succeeded if all deals were valid in this version of actors
+	return true, nil
+
+}
+
+func (r *publishStorageDealsReturn5) DealIDs() ([]abi.DealID, error) {
+	return r.IDs, nil
+}

chain/actors/builtin/market/v6.go

@@ -0,0 +1,252 @@
+package market
+
+import (
+	"bytes"
+
+	"github.com/filecoin-project/go-address"
+	"github.com/filecoin-project/go-state-types/abi"
+	"github.com/ipfs/go-cid"
+	cbg "github.com/whyrusleeping/cbor-gen"
+	"golang.org/x/xerrors"
+
+	"github.com/filecoin-project/lotus/chain/actors/adt"
+	"github.com/filecoin-project/lotus/chain/types"
+
+	market6 "github.com/filecoin-project/specs-actors/v6/actors/builtin/market"
+	adt6 "github.com/filecoin-project/specs-actors/v6/actors/util/adt"
+)
+
+var _ State = (*state6)(nil)
+
+func load6(store adt.Store, root cid.Cid) (State, error) {
+	out := state6{store: store}
+	err := store.Get(store.Context(), root, &out)
+	if err != nil {
+		return nil, err
+	}
+	return &out, nil
+}
+
+func make6(store adt.Store) (State, error) {
+	out := state6{store: store}
+
+	s, err := market6.ConstructState(store)
+	if err != nil {
+		return nil, err
+	}
+
+	out.State = *s
+
+	return &out, nil
+}
+
+type state6 struct {
+	market6.State
+	store adt.Store
+}
+
+func (s *state6) TotalLocked() (abi.TokenAmount, error) {
+	fml := types.BigAdd(s.TotalClientLockedCollateral, s.TotalProviderLockedCollateral)
+	fml = types.BigAdd(fml, s.TotalClientStorageFee)
+	return fml, nil
+}
+
+func (s *state6) BalancesChanged(otherState State) (bool, error) {
+	otherState6, ok := otherState.(*state6)
+	if !ok {
+		// there's no way to compare different versions of the state, so let's
+		// just say that means the state of balances has changed
+		return true, nil
+	}
+	return !s.State.EscrowTable.Equals(otherState6.State.EscrowTable) || !s.State.LockedTable.Equals(otherState6.State.LockedTable), nil
+}
+
+func (s *state6) StatesChanged(otherState State) (bool, error) {
+	otherState6, ok := otherState.(*state6)
+	if !ok {
+		// there's no way to compare different versions of the state, so let's
+		// just say that means the state of balances has changed
+		return true, nil
+	}
+	return !s.State.States.Equals(otherState6.State.States), nil
+}
+
+func (s *state6) States() (DealStates, error) {
+	stateArray, err := adt6.AsArray(s.store, s.State.States, market6.StatesAmtBitwidth)
+	if err != nil {
+		return nil, err
+	}
+	return &dealStates6{stateArray}, nil
+}
+
+func (s *state6) ProposalsChanged(otherState State) (bool, error) {
+	otherState6, ok := otherState.(*state6)
+	if !ok {
+		// there's no way to compare different versions of the state, so let's
+		// just say that means the state of balances has changed
+		return true, nil
+	}
+	return !s.State.Proposals.Equals(otherState6.State.Proposals), nil
+}
+
+func (s *state6) Proposals() (DealProposals, error) {
+	proposalArray, err := adt6.AsArray(s.store, s.State.Proposals, market6.ProposalsAmtBitwidth)
+	if err != nil {
+		return nil, err
+	}
+	return &dealProposals6{proposalArray}, nil
+}
+
+func (s *state6) EscrowTable() (BalanceTable, error) {
+	bt, err := adt6.AsBalanceTable(s.store, s.State.EscrowTable)
+	if err != nil {
+		return nil, err
+	}
+	return &balanceTable6{bt}, nil
+}
+
+func (s *state6) LockedTable() (BalanceTable, error) {
+	bt, err := adt6.AsBalanceTable(s.store, s.State.LockedTable)
+	if err != nil {
+		return nil, err
+	}
+	return &balanceTable6{bt}, nil
+}
+
+func (s *state6) VerifyDealsForActivation(
+	minerAddr address.Address, deals []abi.DealID, currEpoch, sectorExpiry abi.ChainEpoch,
+) (weight, verifiedWeight abi.DealWeight, err error) {
+	w, vw, _, err := market6.ValidateDealsForActivation(&s.State, s.store, deals, minerAddr, sectorExpiry, currEpoch)
+	return w, vw, err
+}
+
+func (s *state6) NextID() (abi.DealID, error) {
+	return s.State.NextID, nil
+}
+
+type balanceTable6 struct {
+	*adt6.BalanceTable
+}
+
+func (bt *balanceTable6) ForEach(cb func(address.Address, abi.TokenAmount) error) error {
+	asMap := (*adt6.Map)(bt.BalanceTable)
+	var ta abi.TokenAmount
+	return asMap.ForEach(&ta, func(key string) error {
+		a, err := address.NewFromBytes([]byte(key))
+		if err != nil {
+			return err
+		}
+		return cb(a, ta)
+	})
+}
+
+type dealStates6 struct {
+	adt.Array
+}
+
+func (s *dealStates6) Get(dealID abi.DealID) (*DealState, bool, error) {
+	var deal6 market6.DealState
+	found, err := s.Array.Get(uint64(dealID), &deal6)
+	if err != nil {
+		return nil, false, err
+	}
+	if !found {
+		return nil, false, nil
+	}
+	deal := fromV6DealState(deal6)
+	return &deal, true, nil
+}
+
+func (s *dealStates6) ForEach(cb func(dealID abi.DealID, ds DealState) error) error {
+	var ds6 market6.DealState
+	return s.Array.ForEach(&ds6, func(idx int64) error {
+		return cb(abi.DealID(idx), fromV6DealState(ds6))
+	})
+}
+
+func (s *dealStates6) decode(val *cbg.Deferred) (*DealState, error) {
+	var ds6 market6.DealState
+	if err := ds6.UnmarshalCBOR(bytes.NewReader(val.Raw)); err != nil {
+		return nil, err
+	}
+	ds := fromV6DealState(ds6)
+	return &ds, nil
+}
+
+func (s *dealStates6) array() adt.Array {
+	return s.Array
+}
+
+func fromV6DealState(v6 market6.DealState) DealState {
+	return (DealState)(v6)
+}
+
+type dealProposals6 struct {
+	adt.Array
+}
+
+func (s *dealProposals6) Get(dealID abi.DealID) (*DealProposal, bool, error) {
+	var proposal6 market6.DealProposal
+	found, err := s.Array.Get(uint64(dealID), &proposal6)
+	if err != nil {
+		return nil, false, err
+	}
+	if !found {
+		return nil, false, nil
+	}
+	proposal := fromV6DealProposal(proposal6)
+	return &proposal, true, nil
+}
+
+func (s *dealProposals6) ForEach(cb func(dealID abi.DealID, dp DealProposal) error) error {
+	var dp6 market6.DealProposal
+	return s.Array.ForEach(&dp6, func(idx int64) error {
+		return cb(abi.DealID(idx), fromV6DealProposal(dp6))
+	})
+}
+
+func (s *dealProposals6) decode(val *cbg.Deferred) (*DealProposal, error) {
+	var dp6 market6.DealProposal
+	if err := dp6.UnmarshalCBOR(bytes.NewReader(val.Raw)); err != nil {
+		return nil, err
+	}
+	dp := fromV6DealProposal(dp6)
+	return &dp, nil
+}
+
+func (s *dealProposals6) array() adt.Array {
+	return s.Array
+}
+
+func fromV6DealProposal(v6 market6.DealProposal) DealProposal {
+	return (DealProposal)(v6)
+}
+
+func (s *state6) GetState() interface{} {
+	return &s.State
+}
+
+var _ PublishStorageDealsReturn = (*publishStorageDealsReturn6)(nil)
+
+func decodePublishStorageDealsReturn6(b []byte) (PublishStorageDealsReturn, error) {
+	var retval market6.PublishStorageDealsReturn
+	if err := retval.UnmarshalCBOR(bytes.NewReader(b)); err != nil {
+		return nil, xerrors.Errorf("failed to unmarshal PublishStorageDealsReturn: %w", err)
+	}
+
+	return &publishStorageDealsReturn6{retval}, nil
+}
+
+type publishStorageDealsReturn6 struct {
+	market6.PublishStorageDealsReturn
+}
+
+func (r *publishStorageDealsReturn6) IsDealValid(index uint64) (bool, error) {
+
+	return r.ValidDeals.IsSet(index)
+
+}
+
+func (r *publishStorageDealsReturn6) DealIDs() ([]abi.DealID, error) {
+	return r.IDs, nil
+}

chain/actors/builtin/miner/miner.go

@@ -33,6 +33,8 @@ import (
 	builtin4 "github.com/filecoin-project/specs-actors/v4/actors/builtin"
 
 	builtin5 "github.com/filecoin-project/specs-actors/v5/actors/builtin"
+
+	builtin6 "github.com/filecoin-project/specs-actors/v6/actors/builtin"
 )
 
 func init() {
@@ -57,9 +59,13 @@ func init() {
 		return load5(store, root)
 	})
 
+	builtin.RegisterActorState(builtin6.StorageMinerActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
+		return load6(store, root)
+	})
+
 }
 
-var Methods = builtin5.MethodsMiner
+var Methods = builtin6.MethodsMiner
 
 // Unchanged between v0, v2, v3, v4, and v5 actors
 var WPoStProvingPeriod = miner0.WPoStProvingPeriod
@@ -93,6 +99,9 @@ func Load(store adt.Store, act *types.Actor) (State, error) {
 	case builtin5.StorageMinerActorCodeID:
 		return load5(store, act.Head)
 
+	case builtin6.StorageMinerActorCodeID:
+		return load6(store, act.Head)
+
 	}
 	return nil, xerrors.Errorf("unknown actor code %s", act.Code)
 }
@@ -115,6 +124,9 @@ func MakeState(store adt.Store, av actors.Version) (State, error) {
 	case actors.Version5:
 		return make5(store)
 
+	case actors.Version6:
+		return make6(store)
+
 	}
 	return nil, xerrors.Errorf("unknown actor version %d", av)
 }
@@ -137,6 +149,9 @@ func GetActorCodeID(av actors.Version) (cid.Cid, error) {
 	case actors.Version5:
 		return builtin5.StorageMinerActorCodeID, nil
 
+	case actors.Version6:
+		return builtin6.StorageMinerActorCodeID, nil
+
 	}
 
 	return cid.Undef, xerrors.Errorf("unknown actor version %d", av)

chain/actors/builtin/miner/v6.go

@@ -0,0 +1,570 @@
+package miner
+
+import (
+	"bytes"
+	"errors"
+
+	"github.com/filecoin-project/go-address"
+	"github.com/filecoin-project/go-bitfield"
+	rle "github.com/filecoin-project/go-bitfield/rle"
+	"github.com/filecoin-project/go-state-types/abi"
+	"github.com/filecoin-project/go-state-types/dline"
+	"github.com/ipfs/go-cid"
+	"github.com/libp2p/go-libp2p-core/peer"
+	cbg "github.com/whyrusleeping/cbor-gen"
+	"golang.org/x/xerrors"
+
+	"github.com/filecoin-project/lotus/chain/actors/adt"
+
+	builtin6 "github.com/filecoin-project/specs-actors/v6/actors/builtin"
+
+	miner6 "github.com/filecoin-project/specs-actors/v6/actors/builtin/miner"
+	adt6 "github.com/filecoin-project/specs-actors/v6/actors/util/adt"
+)
+
+var _ State = (*state6)(nil)
+
+func load6(store adt.Store, root cid.Cid) (State, error) {
+	out := state6{store: store}
+	err := store.Get(store.Context(), root, &out)
+	if err != nil {
+		return nil, err
+	}
+	return &out, nil
+}
+
+func make6(store adt.Store) (State, error) {
+	out := state6{store: store}
+	out.State = miner6.State{}
+	return &out, nil
+}
+
+type state6 struct {
+	miner6.State
+	store adt.Store
+}
+
+type deadline6 struct {
+	miner6.Deadline
+	store adt.Store
+}
+
+type partition6 struct {
+	miner6.Partition
+	store adt.Store
+}
+
+func (s *state6) AvailableBalance(bal abi.TokenAmount) (available abi.TokenAmount, err error) {
+	defer func() {
+		if r := recover(); r != nil {
+			err = xerrors.Errorf("failed to get available balance: %w", r)
+			available = abi.NewTokenAmount(0)
+		}
+	}()
+	// this panics if the miner doesnt have enough funds to cover their locked pledge
+	available, err = s.GetAvailableBalance(bal)
+	return available, err
+}
+
+func (s *state6) VestedFunds(epoch abi.ChainEpoch) (abi.TokenAmount, error) {
+	return s.CheckVestedFunds(s.store, epoch)
+}
+
+func (s *state6) LockedFunds() (LockedFunds, error) {
+	return LockedFunds{
+		VestingFunds:             s.State.LockedFunds,
+		InitialPledgeRequirement: s.State.InitialPledge,
+		PreCommitDeposits:        s.State.PreCommitDeposits,
+	}, nil
+}
+
+func (s *state6) FeeDebt() (abi.TokenAmount, error) {
+	return s.State.FeeDebt, nil
+}
+
+func (s *state6) InitialPledge() (abi.TokenAmount, error) {
+	return s.State.InitialPledge, nil
+}
+
+func (s *state6) PreCommitDeposits() (abi.TokenAmount, error) {
+	return s.State.PreCommitDeposits, nil
+}
+
+func (s *state6) GetSector(num abi.SectorNumber) (*SectorOnChainInfo, error) {
+	info, ok, err := s.State.GetSector(s.store, num)
+	if !ok || err != nil {
+		return nil, err
+	}
+
+	ret := fromV6SectorOnChainInfo(*info)
+	return &ret, nil
+}
+
+func (s *state6) FindSector(num abi.SectorNumber) (*SectorLocation, error) {
+	dlIdx, partIdx, err := s.State.FindSector(s.store, num)
+	if err != nil {
+		return nil, err
+	}
+	return &SectorLocation{
+		Deadline:  dlIdx,
+		Partition: partIdx,
+	}, nil
+}
+
+func (s *state6) NumLiveSectors() (uint64, error) {
+	dls, err := s.State.LoadDeadlines(s.store)
+	if err != nil {
+		return 0, err
+	}
+	var total uint64
+	if err := dls.ForEach(s.store, func(dlIdx uint64, dl *miner6.Deadline) error {
+		total += dl.LiveSectors
+		return nil
+	}); err != nil {
+		return 0, err
+	}
+	return total, nil
+}
+
+// GetSectorExpiration returns the effective expiration of the given sector.
+//
+// If the sector does not expire early, the Early expiration field is 0.
+func (s *state6) GetSectorExpiration(num abi.SectorNumber) (*SectorExpiration, error) {
+	dls, err := s.State.LoadDeadlines(s.store)
+	if err != nil {
+		return nil, err
+	}
+	// NOTE: this can be optimized significantly.
+	// 1. If the sector is non-faulty, it will either expire on-time (can be
+	// learned from the sector info), or in the next quantized expiration
+	// epoch (i.e., the first element in the partition's expiration queue.
+	// 2. If it's faulty, it will expire early within the first 14 entries
+	// of the expiration queue.
+	stopErr := errors.New("stop")
+	out := SectorExpiration{}
+	err = dls.ForEach(s.store, func(dlIdx uint64, dl *miner6.Deadline) error {
+		partitions, err := dl.PartitionsArray(s.store)
+		if err != nil {
+			return err
+		}
+		quant := s.State.QuantSpecForDeadline(dlIdx)
+		var part miner6.Partition
+		return partitions.ForEach(&part, func(partIdx int64) error {
+			if found, err := part.Sectors.IsSet(uint64(num)); err != nil {
+				return err
+			} else if !found {
+				return nil
+			}
+			if found, err := part.Terminated.IsSet(uint64(num)); err != nil {
+				return err
+			} else if found {
+				// already terminated
+				return stopErr
+			}
+
+			q, err := miner6.LoadExpirationQueue(s.store, part.ExpirationsEpochs, quant, miner6.PartitionExpirationAmtBitwidth)
+			if err != nil {
+				return err
+			}
+			var exp miner6.ExpirationSet
+			return q.ForEach(&exp, func(epoch int64) error {
+				if early, err := exp.EarlySectors.IsSet(uint64(num)); err != nil {
+					return err
+				} else if early {
+					out.Early = abi.ChainEpoch(epoch)
+					return nil
+				}
+				if onTime, err := exp.OnTimeSectors.IsSet(uint64(num)); err != nil {
+					return err
+				} else if onTime {
+					out.OnTime = abi.ChainEpoch(epoch)
+					return stopErr
+				}
+				return nil
+			})
+		})
+	})
+	if err == stopErr {
+		err = nil
+	}
+	if err != nil {
+		return nil, err
+	}
+	if out.Early == 0 && out.OnTime == 0 {
+		return nil, xerrors.Errorf("failed to find sector %d", num)
+	}
+	return &out, nil
+}
+
+func (s *state6) GetPrecommittedSector(num abi.SectorNumber) (*SectorPreCommitOnChainInfo, error) {
+	info, ok, err := s.State.GetPrecommittedSector(s.store, num)
+	if !ok || err != nil {
+		return nil, err
+	}
+
+	ret := fromV6SectorPreCommitOnChainInfo(*info)
+
+	return &ret, nil
+}
+
+func (s *state6) ForEachPrecommittedSector(cb func(SectorPreCommitOnChainInfo) error) error {
+	precommitted, err := adt6.AsMap(s.store, s.State.PreCommittedSectors, builtin6.DefaultHamtBitwidth)
+	if err != nil {
+		return err
+	}
+
+	var info miner6.SectorPreCommitOnChainInfo
+	if err := precommitted.ForEach(&info, func(_ string) error {
+		return cb(fromV6SectorPreCommitOnChainInfo(info))
+	}); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (s *state6) LoadSectors(snos *bitfield.BitField) ([]*SectorOnChainInfo, error) {
+	sectors, err := miner6.LoadSectors(s.store, s.State.Sectors)
+	if err != nil {
+		return nil, err
+	}
+
+	// If no sector numbers are specified, load all.
+	if snos == nil {
+		infos := make([]*SectorOnChainInfo, 0, sectors.Length())
+		var info6 miner6.SectorOnChainInfo
+		if err := sectors.ForEach(&info6, func(_ int64) error {
+			info := fromV6SectorOnChainInfo(info6)
+			infos = append(infos, &info)
+			return nil
+		}); err != nil {
+			return nil, err
+		}
+		return infos, nil
+	}
+
+	// Otherwise, load selected.
+	infos6, err := sectors.Load(*snos)
+	if err != nil {
+		return nil, err
+	}
+	infos := make([]*SectorOnChainInfo, len(infos6))
+	for i, info6 := range infos6 {
+		info := fromV6SectorOnChainInfo(*info6)
+		infos[i] = &info
+	}
+	return infos, nil
+}
+
+func (s *state6) loadAllocatedSectorNumbers() (bitfield.BitField, error) {
+	var allocatedSectors bitfield.BitField
+	err := s.store.Get(s.store.Context(), s.State.AllocatedSectors, &allocatedSectors)
+	return allocatedSectors, err
+}
+
+func (s *state6) IsAllocated(num abi.SectorNumber) (bool, error) {
+	allocatedSectors, err := s.loadAllocatedSectorNumbers()
+	if err != nil {
+		return false, err
+	}
+
+	return allocatedSectors.IsSet(uint64(num))
+}
+
+func (s *state6) GetProvingPeriodStart() (abi.ChainEpoch, error) {
+	return s.State.ProvingPeriodStart, nil
+}
+
+func (s *state6) UnallocatedSectorNumbers(count int) ([]abi.SectorNumber, error) {
+	allocatedSectors, err := s.loadAllocatedSectorNumbers()
+	if err != nil {
+		return nil, err
+	}
+
+	allocatedRuns, err := allocatedSectors.RunIterator()
+	if err != nil {
+		return nil, err
+	}
+
+	unallocatedRuns, err := rle.Subtract(
+		&rle.RunSliceIterator{Runs: []rle.Run{{Val: true, Len: abi.MaxSectorNumber}}},
+		allocatedRuns,
+	)
+	if err != nil {
+		return nil, err
+	}
+
+	iter, err := rle.BitsFromRuns(unallocatedRuns)
+	if err != nil {
+		return nil, err
+	}
+
+	sectors := make([]abi.SectorNumber, 0, count)
+	for iter.HasNext() && len(sectors) < count {
+		nextNo, err := iter.Next()
+		if err != nil {
+			return nil, err
+		}
+		sectors = append(sectors, abi.SectorNumber(nextNo))
+	}
+
+	return sectors, nil
+}
+
+func (s *state6) GetAllocatedSectors() (*bitfield.BitField, error) {
+	var allocatedSectors bitfield.BitField
+	if err := s.store.Get(s.store.Context(), s.State.AllocatedSectors, &allocatedSectors); err != nil {
+		return nil, err
+	}
+
+	return &allocatedSectors, nil
+}
+
+func (s *state6) LoadDeadline(idx uint64) (Deadline, error) {
+	dls, err := s.State.LoadDeadlines(s.store)
+	if err != nil {
+		return nil, err
+	}
+	dl, err := dls.LoadDeadline(s.store, idx)
+	if err != nil {
+		return nil, err
+	}
+	return &deadline6{*dl, s.store}, nil
+}
+
+func (s *state6) ForEachDeadline(cb func(uint64, Deadline) error) error {
+	dls, err := s.State.LoadDeadlines(s.store)
+	if err != nil {
+		return err
+	}
+	return dls.ForEach(s.store, func(i uint64, dl *miner6.Deadline) error {
+		return cb(i, &deadline6{*dl, s.store})
+	})
+}
+
+func (s *state6) NumDeadlines() (uint64, error) {
+	return miner6.WPoStPeriodDeadlines, nil
+}
+
+func (s *state6) DeadlinesChanged(other State) (bool, error) {
+	other6, ok := other.(*state6)
+	if !ok {
+		// treat an upgrade as a change, always
+		return true, nil
+	}
+
+	return !s.State.Deadlines.Equals(other6.Deadlines), nil
+}
+
+func (s *state6) MinerInfoChanged(other State) (bool, error) {
+	other0, ok := other.(*state6)
+	if !ok {
+		// treat an upgrade as a change, always
+		return true, nil
+	}
+	return !s.State.Info.Equals(other0.State.Info), nil
+}
+
+func (s *state6) Info() (MinerInfo, error) {
+	info, err := s.State.GetInfo(s.store)
+	if err != nil {
+		return MinerInfo{}, err
+	}
+
+	var pid *peer.ID
+	if peerID, err := peer.IDFromBytes(info.PeerId); err == nil {
+		pid = &peerID
+	}
+
+	mi := MinerInfo{
+		Owner:            info.Owner,
+		Worker:           info.Worker,
+		ControlAddresses: info.ControlAddresses,
+
+		NewWorker:         address.Undef,
+		WorkerChangeEpoch: -1,
+
+		PeerId:                     pid,
+		Multiaddrs:                 info.Multiaddrs,
+		WindowPoStProofType:        info.WindowPoStProofType,
+		SectorSize:                 info.SectorSize,
+		WindowPoStPartitionSectors: info.WindowPoStPartitionSectors,
+		ConsensusFaultElapsed:      info.ConsensusFaultElapsed,
+	}
+
+	if info.PendingWorkerKey != nil {
+		mi.NewWorker = info.PendingWorkerKey.NewWorker
+		mi.WorkerChangeEpoch = info.PendingWorkerKey.EffectiveAt
+	}
+
+	return mi, nil
+}
+
+func (s *state6) DeadlineInfo(epoch abi.ChainEpoch) (*dline.Info, error) {
+	return s.State.RecordedDeadlineInfo(epoch), nil
+}
+
+func (s *state6) DeadlineCronActive() (bool, error) {
+	return s.State.DeadlineCronActive, nil
+}
+
+func (s *state6) sectors() (adt.Array, error) {
+	return adt6.AsArray(s.store, s.Sectors, miner6.SectorsAmtBitwidth)
+}
+
+func (s *state6) decodeSectorOnChainInfo(val *cbg.Deferred) (SectorOnChainInfo, error) {
+	var si miner6.SectorOnChainInfo
+	err := si.UnmarshalCBOR(bytes.NewReader(val.Raw))
+	if err != nil {
+		return SectorOnChainInfo{}, err
+	}
+
+	return fromV6SectorOnChainInfo(si), nil
+}
+
+func (s *state6) precommits() (adt.Map, error) {
+	return adt6.AsMap(s.store, s.PreCommittedSectors, builtin6.DefaultHamtBitwidth)
+}
+
+func (s *state6) decodeSectorPreCommitOnChainInfo(val *cbg.Deferred) (SectorPreCommitOnChainInfo, error) {
+	var sp miner6.SectorPreCommitOnChainInfo
+	err := sp.UnmarshalCBOR(bytes.NewReader(val.Raw))
+	if err != nil {
+		return SectorPreCommitOnChainInfo{}, err
+	}
+
+	return fromV6SectorPreCommitOnChainInfo(sp), nil
+}
+
+func (s *state6) EraseAllUnproven() error {
+
+	dls, err := s.State.LoadDeadlines(s.store)
+	if err != nil {
+		return err
+	}
+
+	err = dls.ForEach(s.store, func(dindx uint64, dl *miner6.Deadline) error {
+		ps, err := dl.PartitionsArray(s.store)
+		if err != nil {
+			return err
+		}
+
+		var part miner6.Partition
+		err = ps.ForEach(&part, func(pindx int64) error {
+			_ = part.ActivateUnproven()
+			err = ps.Set(uint64(pindx), &part)
+			return nil
+		})
+
+		if err != nil {
+			return err
+		}
+
+		dl.Partitions, err = ps.Root()
+		if err != nil {
+			return err
+		}
+
+		return dls.UpdateDeadline(s.store, dindx, dl)
+	})
+	if err != nil {
+		return err
+	}
+
+	return s.State.SaveDeadlines(s.store, dls)
+
+}
+
+func (d *deadline6) LoadPartition(idx uint64) (Partition, error) {
+	p, err := d.Deadline.LoadPartition(d.store, idx)
+	if err != nil {
+		return nil, err
+	}
+	return &partition6{*p, d.store}, nil
+}
+
+func (d *deadline6) ForEachPartition(cb func(uint64, Partition) error) error {
+	ps, err := d.Deadline.PartitionsArray(d.store)
+	if err != nil {
+		return err
+	}
+	var part miner6.Partition
+	return ps.ForEach(&part, func(i int64) error {
+		return cb(uint64(i), &partition6{part, d.store})
+	})
+}
+
+func (d *deadline6) PartitionsChanged(other Deadline) (bool, error) {
+	other6, ok := other.(*deadline6)
+	if !ok {
+		// treat an upgrade as a change, always
+		return true, nil
+	}
+
+	return !d.Deadline.Partitions.Equals(other6.Deadline.Partitions), nil
+}
+
+func (d *deadline6) PartitionsPoSted() (bitfield.BitField, error) {
+	return d.Deadline.PartitionsPoSted, nil
+}
+
+func (d *deadline6) DisputableProofCount() (uint64, error) {
+
+	ops, err := d.OptimisticProofsSnapshotArray(d.store)
+	if err != nil {
+		return 0, err
+	}
+
+	return ops.Length(), nil
+
+}
+
+func (p *partition6) AllSectors() (bitfield.BitField, error) {
+	return p.Partition.Sectors, nil
+}
+
+func (p *partition6) FaultySectors() (bitfield.BitField, error) {
+	return p.Partition.Faults, nil
+}
+
+func (p *partition6) RecoveringSectors() (bitfield.BitField, error) {
+	return p.Partition.Recoveries, nil
+}
+
+func (p *partition6) UnprovenSectors() (bitfield.BitField, error) {
+	return p.Partition.Unproven, nil
+}
+
+func fromV6SectorOnChainInfo(v6 miner6.SectorOnChainInfo) SectorOnChainInfo {
+
+	return SectorOnChainInfo{
+		SectorNumber:          v6.SectorNumber,
+		SealProof:             v6.SealProof,
+		SealedCID:             v6.SealedCID,
+		DealIDs:               v6.DealIDs,
+		Activation:            v6.Activation,
+		Expiration:            v6.Expiration,
+		DealWeight:            v6.DealWeight,
+		VerifiedDealWeight:    v6.VerifiedDealWeight,
+		InitialPledge:         v6.InitialPledge,
+		ExpectedDayReward:     v6.ExpectedDayReward,
+		ExpectedStoragePledge: v6.ExpectedStoragePledge,
+	}
+
+}
+
+func fromV6SectorPreCommitOnChainInfo(v6 miner6.SectorPreCommitOnChainInfo) SectorPreCommitOnChainInfo {
+
+	return SectorPreCommitOnChainInfo{
+		Info:               (SectorPreCommitInfo)(v6.Info),
+		PreCommitDeposit:   v6.PreCommitDeposit,
+		PreCommitEpoch:     v6.PreCommitEpoch,
+		DealWeight:         v6.DealWeight,
+		VerifiedDealWeight: v6.VerifiedDealWeight,
+	}
+
+}
+
+func (s *state6) GetState() interface{} {
+	return &s.State
+}

chain/actors/builtin/multisig/message6.go

@@ -0,0 +1,71 @@
+package multisig
+
+import (
+	"golang.org/x/xerrors"
+
+	"github.com/filecoin-project/go-address"
+	"github.com/filecoin-project/go-state-types/abi"
+
+	builtin6 "github.com/filecoin-project/specs-actors/v6/actors/builtin"
+	init6 "github.com/filecoin-project/specs-actors/v6/actors/builtin/init"
+	multisig6 "github.com/filecoin-project/specs-actors/v6/actors/builtin/multisig"
+
+	"github.com/filecoin-project/lotus/chain/actors"
+	init_ "github.com/filecoin-project/lotus/chain/actors/builtin/init"
+	"github.com/filecoin-project/lotus/chain/types"
+)
+
+type message6 struct{ message0 }
+
+func (m message6) Create(
+	signers []address.Address, threshold uint64,
+	unlockStart, unlockDuration abi.ChainEpoch,
+	initialAmount abi.TokenAmount,
+) (*types.Message, error) {
+
+	lenAddrs := uint64(len(signers))
+
+	if lenAddrs < threshold {
+		return nil, xerrors.Errorf("cannot require signing of more addresses than provided for multisig")
+	}
+
+	if threshold == 0 {
+		threshold = lenAddrs
+	}
+
+	if m.from == address.Undef {
+		return nil, xerrors.Errorf("must provide source address")
+	}
+
+	// Set up constructor parameters for multisig
+	msigParams := &multisig6.ConstructorParams{
+		Signers:               signers,
+		NumApprovalsThreshold: threshold,
+		UnlockDuration:        unlockDuration,
+		StartEpoch:            unlockStart,
+	}
+
+	enc, actErr := actors.SerializeParams(msigParams)
+	if actErr != nil {
+		return nil, actErr
+	}
+
+	// new actors are created by invoking 'exec' on the init actor with the constructor params
+	execParams := &init6.ExecParams{
+		CodeCID:           builtin6.MultisigActorCodeID,
+		ConstructorParams: enc,
+	}
+
+	enc, actErr = actors.SerializeParams(execParams)
+	if actErr != nil {
+		return nil, actErr
+	}
+
+	return &types.Message{
+		To:     init_.Address,
+		From:   m.from,
+		Method: builtin6.MethodsInit.Exec,
+		Params: enc,
+		Value:  initialAmount,
+	}, nil
+}

chain/actors/builtin/multisig/multisig.go

@@ -13,7 +13,7 @@ import (
 	"github.com/ipfs/go-cid"
 
 	msig0 "github.com/filecoin-project/specs-actors/actors/builtin/multisig"
-	msig5 "github.com/filecoin-project/specs-actors/v5/actors/builtin/multisig"
+	msig6 "github.com/filecoin-project/specs-actors/v6/actors/builtin/multisig"
 
 	builtin0 "github.com/filecoin-project/specs-actors/actors/builtin"
 
@@ -25,6 +25,8 @@ import (
 
 	builtin5 "github.com/filecoin-project/specs-actors/v5/actors/builtin"
 
+	builtin6 "github.com/filecoin-project/specs-actors/v6/actors/builtin"
+
 	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/chain/actors/builtin"
@@ -52,6 +54,10 @@ func init() {
 	builtin.RegisterActorState(builtin5.MultisigActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
 		return load5(store, root)
 	})
+
+	builtin.RegisterActorState(builtin6.MultisigActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
+		return load6(store, root)
+	})
 }
 
 func Load(store adt.Store, act *types.Actor) (State, error) {
@@ -72,6 +78,9 @@ func Load(store adt.Store, act *types.Actor) (State, error) {
 	case builtin5.MultisigActorCodeID:
 		return load5(store, act.Head)
 
+	case builtin6.MultisigActorCodeID:
+		return load6(store, act.Head)
+
 	}
 	return nil, xerrors.Errorf("unknown actor code %s", act.Code)
 }
@@ -94,6 +103,9 @@ func MakeState(store adt.Store, av actors.Version, signers []address.Address, th
 	case actors.Version5:
 		return make5(store, signers, threshold, startEpoch, unlockDuration, initialBalance)
 
+	case actors.Version6:
+		return make6(store, signers, threshold, startEpoch, unlockDuration, initialBalance)
+
 	}
 	return nil, xerrors.Errorf("unknown actor version %d", av)
 }
@@ -116,6 +128,9 @@ func GetActorCodeID(av actors.Version) (cid.Cid, error) {
 	case actors.Version5:
 		return builtin5.MultisigActorCodeID, nil
 
+	case actors.Version6:
+		return builtin6.MultisigActorCodeID, nil
+
 	}
 
 	return cid.Undef, xerrors.Errorf("unknown actor version %d", av)
@@ -141,7 +156,7 @@ type State interface {
 
 type Transaction = msig0.Transaction
 
-var Methods = builtin5.MethodsMultisig
+var Methods = builtin6.MethodsMultisig
 
 func Message(version actors.Version, from address.Address) MessageBuilder {
 	switch version {
@@ -160,6 +175,9 @@ func Message(version actors.Version, from address.Address) MessageBuilder {
 
 	case actors.Version5:
 		return message5{message0{from}}
+
+	case actors.Version6:
+		return message6{message0{from}}
 	default:
 		panic(fmt.Sprintf("unsupported actors version: %d", version))
 	}
@@ -183,13 +201,13 @@ type MessageBuilder interface {
 }
 
 // this type is the same between v0 and v2
-type ProposalHashData = msig5.ProposalHashData
+type ProposalHashData = msig6.ProposalHashData
-type ProposeReturn = msig5.ProposeReturn
+type ProposeReturn = msig6.ProposeReturn
-type ProposeParams = msig5.ProposeParams
+type ProposeParams = msig6.ProposeParams
-type ApproveReturn = msig5.ApproveReturn
+type ApproveReturn = msig6.ApproveReturn
 
 func txnParams(id uint64, data *ProposalHashData) ([]byte, error) {
-	params := msig5.TxnIDParams{ID: msig5.TxnID(id)}
+	params := msig6.TxnIDParams{ID: msig6.TxnID(id)}
 	if data != nil {
 		if data.Requester.Protocol() != address.ID {
 			return nil, xerrors.Errorf("proposer address must be an ID address, was %s", data.Requester)

chain/actors/builtin/multisig/v6.go

@@ -0,0 +1,119 @@
+package multisig
+
+import (
+	"bytes"
+	"encoding/binary"
+
+	adt6 "github.com/filecoin-project/specs-actors/v6/actors/util/adt"
+
+	"github.com/filecoin-project/go-address"
+	"github.com/filecoin-project/go-state-types/abi"
+	"github.com/ipfs/go-cid"
+	cbg "github.com/whyrusleeping/cbor-gen"
+	"golang.org/x/xerrors"
+
+	"github.com/filecoin-project/lotus/chain/actors/adt"
+
+	builtin6 "github.com/filecoin-project/specs-actors/v6/actors/builtin"
+
+	msig6 "github.com/filecoin-project/specs-actors/v6/actors/builtin/multisig"
+)
+
+var _ State = (*state6)(nil)
+
+func load6(store adt.Store, root cid.Cid) (State, error) {
+	out := state6{store: store}
+	err := store.Get(store.Context(), root, &out)
+	if err != nil {
+		return nil, err
+	}
+	return &out, nil
+}
+
+func make6(store adt.Store, signers []address.Address, threshold uint64, startEpoch abi.ChainEpoch, unlockDuration abi.ChainEpoch, initialBalance abi.TokenAmount) (State, error) {
+	out := state6{store: store}
+	out.State = msig6.State{}
+	out.State.Signers = signers
+	out.State.NumApprovalsThreshold = threshold
+	out.State.StartEpoch = startEpoch
+	out.State.UnlockDuration = unlockDuration
+	out.State.InitialBalance = initialBalance
+
+	em, err := adt6.StoreEmptyMap(store, builtin6.DefaultHamtBitwidth)
+	if err != nil {
+		return nil, err
+	}
+
+	out.State.PendingTxns = em
+
+	return &out, nil
+}
+
+type state6 struct {
+	msig6.State
+	store adt.Store
+}
+
+func (s *state6) LockedBalance(currEpoch abi.ChainEpoch) (abi.TokenAmount, error) {
+	return s.State.AmountLocked(currEpoch - s.State.StartEpoch), nil
+}
+
+func (s *state6) StartEpoch() (abi.ChainEpoch, error) {
+	return s.State.StartEpoch, nil
+}
+
+func (s *state6) UnlockDuration() (abi.ChainEpoch, error) {
+	return s.State.UnlockDuration, nil
+}
+
+func (s *state6) InitialBalance() (abi.TokenAmount, error) {
+	return s.State.InitialBalance, nil
+}
+
+func (s *state6) Threshold() (uint64, error) {
+	return s.State.NumApprovalsThreshold, nil
+}
+
+func (s *state6) Signers() ([]address.Address, error) {
+	return s.State.Signers, nil
+}
+
+func (s *state6) ForEachPendingTxn(cb func(id int64, txn Transaction) error) error {
+	arr, err := adt6.AsMap(s.store, s.State.PendingTxns, builtin6.DefaultHamtBitwidth)
+	if err != nil {
+		return err
+	}
+	var out msig6.Transaction
+	return arr.ForEach(&out, func(key string) error {
+		txid, n := binary.Varint([]byte(key))
+		if n <= 0 {
+			return xerrors.Errorf("invalid pending transaction key: %v", key)
+		}
+		return cb(txid, (Transaction)(out)) //nolint:unconvert
+	})
+}
+
+func (s *state6) PendingTxnChanged(other State) (bool, error) {
+	other6, ok := other.(*state6)
+	if !ok {
+		// treat an upgrade as a change, always
+		return true, nil
+	}
+	return !s.State.PendingTxns.Equals(other6.PendingTxns), nil
+}
+
+func (s *state6) transactions() (adt.Map, error) {
+	return adt6.AsMap(s.store, s.PendingTxns, builtin6.DefaultHamtBitwidth)
+}
+
+func (s *state6) decodeTransaction(val *cbg.Deferred) (Transaction, error) {
+	var tx msig6.Transaction
+	if err := tx.UnmarshalCBOR(bytes.NewReader(val.Raw)); err != nil {
+		return Transaction{}, err
+	}
+	return tx, nil
+}
+
+func (s *state6) GetState() interface{} {
+	return &s.State
+}

chain/actors/builtin/paych/message6.go

@@ -0,0 +1,74 @@
+package paych
+
+import (
+	"github.com/filecoin-project/go-address"
+	"github.com/filecoin-project/go-state-types/abi"
+
+	builtin6 "github.com/filecoin-project/specs-actors/v6/actors/builtin"
+	init6 "github.com/filecoin-project/specs-actors/v6/actors/builtin/init"
+	paych6 "github.com/filecoin-project/specs-actors/v6/actors/builtin/paych"
+
+	"github.com/filecoin-project/lotus/chain/actors"
+	init_ "github.com/filecoin-project/lotus/chain/actors/builtin/init"
+	"github.com/filecoin-project/lotus/chain/types"
+)
+
+type message6 struct{ from address.Address }
+
+func (m message6) Create(to address.Address, initialAmount abi.TokenAmount) (*types.Message, error) {
+	params, aerr := actors.SerializeParams(&paych6.ConstructorParams{From: m.from, To: to})
+	if aerr != nil {
+		return nil, aerr
+	}
+	enc, aerr := actors.SerializeParams(&init6.ExecParams{
+		CodeCID:           builtin6.PaymentChannelActorCodeID,
+		ConstructorParams: params,
+	})
+	if aerr != nil {
+		return nil, aerr
+	}
+
+	return &types.Message{
+		To:     init_.Address,
+		From:   m.from,
+		Value:  initialAmount,
+		Method: builtin6.MethodsInit.Exec,
+		Params: enc,
+	}, nil
+}
+
+func (m message6) Update(paych address.Address, sv *SignedVoucher, secret []byte) (*types.Message, error) {
+	params, aerr := actors.SerializeParams(&paych6.UpdateChannelStateParams{
+		Sv:     *sv,
+		Secret: secret,
+	})
+	if aerr != nil {
+		return nil, aerr
+	}
+
+	return &types.Message{
+		To:     paych,
+		From:   m.from,
+		Value:  abi.NewTokenAmount(0),
+		Method: builtin6.MethodsPaych.UpdateChannelState,
+		Params: params,
+	}, nil
+}
+
+func (m message6) Settle(paych address.Address) (*types.Message, error) {
+	return &types.Message{
+		To:     paych,
+		From:   m.from,
+		Value:  abi.NewTokenAmount(0),
+		Method: builtin6.MethodsPaych.Settle,
+	}, nil
+}
+
+func (m message6) Collect(paych address.Address) (*types.Message, error) {
+	return &types.Message{
+		To:     paych,
+		From:   m.from,
+		Value:  abi.NewTokenAmount(0),
+		Method: builtin6.MethodsPaych.Collect,
+	}, nil
+}

chain/actors/builtin/paych/paych.go

@@ -25,6 +25,8 @@ import (
 
 	builtin5 "github.com/filecoin-project/specs-actors/v5/actors/builtin"
 
+	builtin6 "github.com/filecoin-project/specs-actors/v6/actors/builtin"
+
 	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/chain/actors/builtin"
@@ -52,6 +54,10 @@ func init() {
 	builtin.RegisterActorState(builtin5.PaymentChannelActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
 		return load5(store, root)
 	})
+
+	builtin.RegisterActorState(builtin6.PaymentChannelActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
+		return load6(store, root)
+	})
 }
 
 // Load returns an abstract copy of payment channel state, irregardless of actor version
@@ -73,6 +79,9 @@ func Load(store adt.Store, act *types.Actor) (State, error) {
 	case builtin5.PaymentChannelActorCodeID:
 		return load5(store, act.Head)
 
+	case builtin6.PaymentChannelActorCodeID:
+		return load6(store, act.Head)
+
 	}
 	return nil, xerrors.Errorf("unknown actor code %s", act.Code)
 }
@@ -95,6 +104,9 @@ func MakeState(store adt.Store, av actors.Version) (State, error) {
 	case actors.Version5:
 		return make5(store)
 
+	case actors.Version6:
+		return make6(store)
+
 	}
 	return nil, xerrors.Errorf("unknown actor version %d", av)
 }
@@ -117,6 +129,9 @@ func GetActorCodeID(av actors.Version) (cid.Cid, error) {
 	case actors.Version5:
 		return builtin5.PaymentChannelActorCodeID, nil
 
+	case actors.Version6:
+		return builtin6.PaymentChannelActorCodeID, nil
+
 	}
 
 	return cid.Undef, xerrors.Errorf("unknown actor version %d", av)
@@ -170,7 +185,7 @@ func DecodeSignedVoucher(s string) (*SignedVoucher, error) {
 	return &sv, nil
 }
 
-var Methods = builtin5.MethodsPaych
+var Methods = builtin6.MethodsPaych
 
 func Message(version actors.Version, from address.Address) MessageBuilder {
 	switch version {
@@ -190,6 +205,9 @@ func Message(version actors.Version, from address.Address) MessageBuilder {
 	case actors.Version5:
 		return message5{from}
 
+	case actors.Version6:
+		return message6{from}
+
 	default:
 		panic(fmt.Sprintf("unsupported actors version: %d", version))
 	}

chain/actors/builtin/paych/v6.go

@@ -0,0 +1,114 @@
+package paych
+
+import (
+	"github.com/ipfs/go-cid"
+
+	"github.com/filecoin-project/go-address"
+	"github.com/filecoin-project/go-state-types/abi"
+	"github.com/filecoin-project/go-state-types/big"
+
+	"github.com/filecoin-project/lotus/chain/actors/adt"
+
+	paych6 "github.com/filecoin-project/specs-actors/v6/actors/builtin/paych"
+	adt6 "github.com/filecoin-project/specs-actors/v6/actors/util/adt"
+)
+
+var _ State = (*state6)(nil)
+
+func load6(store adt.Store, root cid.Cid) (State, error) {
+	out := state6{store: store}
+	err := store.Get(store.Context(), root, &out)
+	if err != nil {
+		return nil, err
+	}
+	return &out, nil
+}
+
+func make6(store adt.Store) (State, error) {
+	out := state6{store: store}
+	out.State = paych6.State{}
+	return &out, nil
+}
+
+type state6 struct {
+	paych6.State
+	store adt.Store
+	lsAmt *adt6.Array
+}
+
+// Channel owner, who has funded the actor
+func (s *state6) From() (address.Address, error) {
+	return s.State.From, nil
+}
+
+// Recipient of payouts from channel
+func (s *state6) To() (address.Address, error) {
+	return s.State.To, nil
+}
+
+// Height at which the channel can be `Collected`
+func (s *state6) SettlingAt() (abi.ChainEpoch, error) {
+	return s.State.SettlingAt, nil
+}
+
+// Amount successfully redeemed through the payment channel, paid out on `Collect()`
+func (s *state6) ToSend() (abi.TokenAmount, error) {
+	return s.State.ToSend, nil
+}
+
+func (s *state6) getOrLoadLsAmt() (*adt6.Array, error) {
+	if s.lsAmt != nil {
+		return s.lsAmt, nil
+	}
+
+	// Get the lane state from the chain
+	lsamt, err := adt6.AsArray(s.store, s.State.LaneStates, paych6.LaneStatesAmtBitwidth)
+	if err != nil {
+		return nil, err
+	}
+
+	s.lsAmt = lsamt
+	return lsamt, nil
+}
+
+// Get total number of lanes
+func (s *state6) LaneCount() (uint64, error) {
+	lsamt, err := s.getOrLoadLsAmt()
+	if err != nil {
+		return 0, err
+	}
+	return lsamt.Length(), nil
+}
+
+func (s *state6) GetState() interface{} {
+	return &s.State
+}
+
+// Iterate lane states
+func (s *state6) ForEachLaneState(cb func(idx uint64, dl LaneState) error) error {
+	// Get the lane state from the chain
+	lsamt, err := s.getOrLoadLsAmt()
+	if err != nil {
+		return err
+	}
+
+	// Note: we use a map instead of an array to store laneStates because the
+	// client sets the lane ID (the index) and potentially they could use a
+	// very large index.
+	var ls paych6.LaneState
+	return lsamt.ForEach(&ls, func(i int64) error {
+		return cb(uint64(i), &laneState6{ls})
+	})
+}
+
+type laneState6 struct {
+	paych6.LaneState
+}
+
+func (ls *laneState6) Redeemed() (big.Int, error) {
+	return ls.LaneState.Redeemed, nil
+}
+
+func (ls *laneState6) Nonce() (uint64, error) {
+	return ls.LaneState.Nonce, nil
+}

chain/actors/builtin/power/power.go

@@ -24,6 +24,8 @@ import (
 	builtin4 "github.com/filecoin-project/specs-actors/v4/actors/builtin"
 
 	builtin5 "github.com/filecoin-project/specs-actors/v5/actors/builtin"
+
+	builtin6 "github.com/filecoin-project/specs-actors/v6/actors/builtin"
 )
 
 func init() {
@@ -47,11 +49,15 @@ func init() {
 	builtin.RegisterActorState(builtin5.StoragePowerActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
 		return load5(store, root)
 	})
+
+	builtin.RegisterActorState(builtin6.StoragePowerActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
+		return load6(store, root)
+	})
 }
 
 var (
-	Address = builtin5.StoragePowerActorAddr
+	Address = builtin6.StoragePowerActorAddr
-	Methods = builtin5.MethodsPower
+	Methods = builtin6.MethodsPower
 )
 
 func Load(store adt.Store, act *types.Actor) (State, error) {
@@ -72,6 +78,9 @@ func Load(store adt.Store, act *types.Actor) (State, error) {
 	case builtin5.StoragePowerActorCodeID:
 		return load5(store, act.Head)
 
+	case builtin6.StoragePowerActorCodeID:
+		return load6(store, act.Head)
+
 	}
 	return nil, xerrors.Errorf("unknown actor code %s", act.Code)
 }
@@ -94,6 +103,9 @@ func MakeState(store adt.Store, av actors.Version) (State, error) {
 	case actors.Version5:
 		return make5(store)
 
+	case actors.Version6:
+		return make6(store)
+
 	}
 	return nil, xerrors.Errorf("unknown actor version %d", av)
 }
@@ -116,6 +128,9 @@ func GetActorCodeID(av actors.Version) (cid.Cid, error) {
 	case actors.Version5:
 		return builtin5.StoragePowerActorCodeID, nil
 
+	case actors.Version6:
+		return builtin6.StoragePowerActorCodeID, nil
+
 	}
 
 	return cid.Undef, xerrors.Errorf("unknown actor version %d", av)

chain/actors/builtin/power/v6.go

@@ -0,0 +1,187 @@
+package power
+
+import (
+	"bytes"
+
+	"github.com/filecoin-project/go-address"
+	"github.com/filecoin-project/go-state-types/abi"
+	"github.com/ipfs/go-cid"
+	cbg "github.com/whyrusleeping/cbor-gen"
+
+	"github.com/filecoin-project/lotus/chain/actors/adt"
+	"github.com/filecoin-project/lotus/chain/actors/builtin"
+
+	builtin6 "github.com/filecoin-project/specs-actors/v6/actors/builtin"
+
+	power6 "github.com/filecoin-project/specs-actors/v6/actors/builtin/power"
+	adt6 "github.com/filecoin-project/specs-actors/v6/actors/util/adt"
+)
+
+var _ State = (*state6)(nil)
+
+func load6(store adt.Store, root cid.Cid) (State, error) {
+	out := state6{store: store}
+	err := store.Get(store.Context(), root, &out)
+	if err != nil {
+		return nil, err
+	}
+	return &out, nil
+}
+
+func make6(store adt.Store) (State, error) {
+	out := state6{store: store}
+
+	s, err := power6.ConstructState(store)
+	if err != nil {
+		return nil, err
+	}
+
+	out.State = *s
+
+	return &out, nil
+}
+
+type state6 struct {
+	power6.State
+	store adt.Store
+}
+
+func (s *state6) TotalLocked() (abi.TokenAmount, error) {
+	return s.TotalPledgeCollateral, nil
+}
+
+func (s *state6) TotalPower() (Claim, error) {
+	return Claim{
+		RawBytePower:    s.TotalRawBytePower,
+		QualityAdjPower: s.TotalQualityAdjPower,
+	}, nil
+}
+
+// Committed power to the network. Includes miners below the minimum threshold.
+func (s *state6) TotalCommitted() (Claim, error) {
+	return Claim{
+		RawBytePower:    s.TotalBytesCommitted,
+		QualityAdjPower: s.TotalQABytesCommitted,
+	}, nil
+}
+
+func (s *state6) MinerPower(addr address.Address) (Claim, bool, error) {
+	claims, err := s.claims()
+	if err != nil {
+		return Claim{}, false, err
+	}
+	var claim power6.Claim
+	ok, err := claims.Get(abi.AddrKey(addr), &claim)
+	if err != nil {
+		return Claim{}, false, err
+	}
+	return Claim{
+		RawBytePower:    claim.RawBytePower,
+		QualityAdjPower: claim.QualityAdjPower,
+	}, ok, nil
+}
+
+func (s *state6) MinerNominalPowerMeetsConsensusMinimum(a address.Address) (bool, error) {
+	return s.State.MinerNominalPowerMeetsConsensusMinimum(s.store, a)
+}
+
+func (s *state6) TotalPowerSmoothed() (builtin.FilterEstimate, error) {
+	return builtin.FromV6FilterEstimate(s.State.ThisEpochQAPowerSmoothed), nil
+}
+
+func (s *state6) MinerCounts() (uint64, uint64, error) {
+	return uint64(s.State.MinerAboveMinPowerCount), uint64(s.State.MinerCount), nil
+}
+
+func (s *state6) ListAllMiners() ([]address.Address, error) {
+	claims, err := s.claims()
+	if err != nil {
+		return nil, err
+	}
+
+	var miners []address.Address
+	err = claims.ForEach(nil, func(k string) error {
+		a, err := address.NewFromBytes([]byte(k))
+		if err != nil {
+			return err
+		}
+		miners = append(miners, a)
+		return nil
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	return miners, nil
+}
+
+func (s *state6) ForEachClaim(cb func(miner address.Address, claim Claim) error) error {
+	claims, err := s.claims()
+	if err != nil {
+		return err
+	}
+
+	var claim power6.Claim
+	return claims.ForEach(&claim, func(k string) error {
+		a, err := address.NewFromBytes([]byte(k))
+		if err != nil {
+			return err
+		}
+		return cb(a, Claim{
+			RawBytePower:    claim.RawBytePower,
+			QualityAdjPower: claim.QualityAdjPower,
+		})
+	})
+}
+
+func (s *state6) ClaimsChanged(other State) (bool, error) {
+	other6, ok := other.(*state6)
+	if !ok {
+		// treat an upgrade as a change, always
+		return true, nil
+	}
+	return !s.State.Claims.Equals(other6.State.Claims), nil
+}
+
+func (s *state6) SetTotalQualityAdjPower(p abi.StoragePower) error {
+	s.State.TotalQualityAdjPower = p
+	return nil
+}
+
+func (s *state6) SetTotalRawBytePower(p abi.StoragePower) error {
+	s.State.TotalRawBytePower = p
+	return nil
+}
+
+func (s *state6) SetThisEpochQualityAdjPower(p abi.StoragePower) error {
+	s.State.ThisEpochQualityAdjPower = p
+	return nil
+}
+
+func (s *state6) SetThisEpochRawBytePower(p abi.StoragePower) error {
+	s.State.ThisEpochRawBytePower = p
+	return nil
+}
+
+func (s *state6) GetState() interface{} {
+	return &s.State
+}
+
+func (s *state6) claims() (adt.Map, error) {
+	return adt6.AsMap(s.store, s.Claims, builtin6.DefaultHamtBitwidth)
+}
+
+func (s *state6) decodeClaim(val *cbg.Deferred) (Claim, error) {
+	var ci power6.Claim
+	if err := ci.UnmarshalCBOR(bytes.NewReader(val.Raw)); err != nil {
+		return Claim{}, err
+	}
+	return fromV6Claim(ci), nil
+}
+
+func fromV6Claim(v6 power6.Claim) Claim {
+	return Claim{
+		RawBytePower:    v6.RawBytePower,
+		QualityAdjPower: v6.QualityAdjPower,
+	}
+}

chain/actors/builtin/reward/reward.go

@@ -19,6 +19,8 @@ import (
 
 	builtin5 "github.com/filecoin-project/specs-actors/v5/actors/builtin"
 
+	builtin6 "github.com/filecoin-project/specs-actors/v6/actors/builtin"
+
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/chain/actors/builtin"
 	"github.com/filecoin-project/lotus/chain/types"
@@ -45,11 +47,15 @@ func init() {
 	builtin.RegisterActorState(builtin5.RewardActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
 		return load5(store, root)
 	})
+
+	builtin.RegisterActorState(builtin6.RewardActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
+		return load6(store, root)
+	})
 }
 
 var (
-	Address = builtin5.RewardActorAddr
+	Address = builtin6.RewardActorAddr
-	Methods = builtin5.MethodsReward
+	Methods = builtin6.MethodsReward
 )
 
 func Load(store adt.Store, act *types.Actor) (State, error) {
@@ -70,6 +76,9 @@ func Load(store adt.Store, act *types.Actor) (State, error) {
 	case builtin5.RewardActorCodeID:
 		return load5(store, act.Head)
 
+	case builtin6.RewardActorCodeID:
+		return load6(store, act.Head)
+
 	}
 	return nil, xerrors.Errorf("unknown actor code %s", act.Code)
 }
@@ -92,6 +101,9 @@ func MakeState(store adt.Store, av actors.Version, currRealizedPower abi.Storage
 	case actors.Version5:
 		return make5(store, currRealizedPower)
 
+	case actors.Version6:
+		return make6(store, currRealizedPower)
+
 	}
 	return nil, xerrors.Errorf("unknown actor version %d", av)
 }
@@ -114,6 +126,9 @@ func GetActorCodeID(av actors.Version) (cid.Cid, error) {
 	case actors.Version5:
 		return builtin5.RewardActorCodeID, nil
 
+	case actors.Version6:
+		return builtin6.RewardActorCodeID, nil
+
 	}
 
 	return cid.Undef, xerrors.Errorf("unknown actor version %d", av)

chain/actors/builtin/reward/v6.go

@@ -0,0 +1,98 @@
+package reward
+
+import (
+	"github.com/filecoin-project/go-state-types/abi"
+	"github.com/ipfs/go-cid"
+
+	"github.com/filecoin-project/lotus/chain/actors/adt"
+	"github.com/filecoin-project/lotus/chain/actors/builtin"
+
+	miner6 "github.com/filecoin-project/specs-actors/v6/actors/builtin/miner"
+	reward6 "github.com/filecoin-project/specs-actors/v6/actors/builtin/reward"
+	smoothing6 "github.com/filecoin-project/specs-actors/v6/actors/util/smoothing"
+)
+
+var _ State = (*state6)(nil)
+
+func load6(store adt.Store, root cid.Cid) (State, error) {
+	out := state6{store: store}
+	err := store.Get(store.Context(), root, &out)
+	if err != nil {
+		return nil, err
+	}
+	return &out, nil
+}
+
+func make6(store adt.Store, currRealizedPower abi.StoragePower) (State, error) {
+	out := state6{store: store}
+	out.State = *reward6.ConstructState(currRealizedPower)
+	return &out, nil
+}
+
+type state6 struct {
+	reward6.State
+	store adt.Store
+}
+
+func (s *state6) ThisEpochReward() (abi.TokenAmount, error) {
+	return s.State.ThisEpochReward, nil
+}
+
+func (s *state6) ThisEpochRewardSmoothed() (builtin.FilterEstimate, error) {
+
+	return builtin.FilterEstimate{
+		PositionEstimate: s.State.ThisEpochRewardSmoothed.PositionEstimate,
+		VelocityEstimate: s.State.ThisEpochRewardSmoothed.VelocityEstimate,
+	}, nil
+
+}
+
+func (s *state6) ThisEpochBaselinePower() (abi.StoragePower, error) {
+	return s.State.ThisEpochBaselinePower, nil
+}
+
+func (s *state6) TotalStoragePowerReward() (abi.TokenAmount, error) {
+	return s.State.TotalStoragePowerReward, nil
+}
+
+func (s *state6) EffectiveBaselinePower() (abi.StoragePower, error) {
+	return s.State.EffectiveBaselinePower, nil
+}
+
+func (s *state6) EffectiveNetworkTime() (abi.ChainEpoch, error) {
+	return s.State.EffectiveNetworkTime, nil
+}
+
+func (s *state6) CumsumBaseline() (reward6.Spacetime, error) {
+	return s.State.CumsumBaseline, nil
+}
+
+func (s *state6) CumsumRealized() (reward6.Spacetime, error) {
+	return s.State.CumsumRealized, nil
+}
+
+func (s *state6) InitialPledgeForPower(qaPower abi.StoragePower, networkTotalPledge abi.TokenAmount, networkQAPower *builtin.FilterEstimate, circSupply abi.TokenAmount) (abi.TokenAmount, error) {
+	return miner6.InitialPledgeForPower(
+		qaPower,
+		s.State.ThisEpochBaselinePower,
+		s.State.ThisEpochRewardSmoothed,
+		smoothing6.FilterEstimate{
+			PositionEstimate: networkQAPower.PositionEstimate,
+			VelocityEstimate: networkQAPower.VelocityEstimate,
+		},
+		circSupply,
+	), nil
+}
+
+func (s *state6) PreCommitDepositForPower(networkQAPower builtin.FilterEstimate, sectorWeight abi.StoragePower) (abi.TokenAmount, error) {
+	return miner6.PreCommitDepositForPower(s.State.ThisEpochRewardSmoothed,
+		smoothing6.FilterEstimate{
+			PositionEstimate: networkQAPower.PositionEstimate,
+			VelocityEstimate: networkQAPower.VelocityEstimate,
+		},
+		sectorWeight), nil
+}
+
+func (s *state6) GetState() interface{} {
+	return &s.State
+}

chain/actors/builtin/system/system.go

@@ -15,10 +15,12 @@ import (
 	builtin4 "github.com/filecoin-project/specs-actors/v4/actors/builtin"
 
 	builtin5 "github.com/filecoin-project/specs-actors/v5/actors/builtin"
+
+	builtin6 "github.com/filecoin-project/specs-actors/v6/actors/builtin"
 )
 
 var (
-	Address = builtin5.SystemActorAddr
+	Address = builtin6.SystemActorAddr
 )
 
 func MakeState(store adt.Store, av actors.Version) (State, error) {
@@ -39,6 +41,9 @@ func MakeState(store adt.Store, av actors.Version) (State, error) {
 	case actors.Version5:
 		return make5(store)
 
+	case actors.Version6:
+		return make6(store)
+
 	}
 	return nil, xerrors.Errorf("unknown actor version %d", av)
 }
@@ -61,6 +66,9 @@ func GetActorCodeID(av actors.Version) (cid.Cid, error) {
 	case actors.Version5:
 		return builtin5.SystemActorCodeID, nil
 
+	case actors.Version6:
+		return builtin6.SystemActorCodeID, nil
+
 	}
 
 	return cid.Undef, xerrors.Errorf("unknown actor version %d", av)

chain/actors/builtin/system/v6.go

@@ -0,0 +1,35 @@
+package system
+
+import (
+	"github.com/ipfs/go-cid"
+
+	"github.com/filecoin-project/lotus/chain/actors/adt"
+
+	system6 "github.com/filecoin-project/specs-actors/v6/actors/builtin/system"
+)
+
+var _ State = (*state6)(nil)
+
+func load6(store adt.Store, root cid.Cid) (State, error) {
+	out := state6{store: store}
+	err := store.Get(store.Context(), root, &out)
+	if err != nil {
+		return nil, err
+	}
+	return &out, nil
+}
+
+func make6(store adt.Store) (State, error) {
+	out := state6{store: store}
+	out.State = system6.State{}
+	return &out, nil
+}
+
+type state6 struct {
+	system6.State
+	store adt.Store
+}
+
+func (s *state6) GetState() interface{} {
+	return &s.State
+}

chain/actors/builtin/verifreg/v6.go

@@ -0,0 +1,75 @@
+package verifreg
+
+import (
+	"github.com/filecoin-project/go-address"
+	"github.com/filecoin-project/go-state-types/abi"
+	"github.com/ipfs/go-cid"
+
+	"github.com/filecoin-project/lotus/chain/actors"
+	"github.com/filecoin-project/lotus/chain/actors/adt"
+
+	builtin6 "github.com/filecoin-project/specs-actors/v6/actors/builtin"
+	verifreg6 "github.com/filecoin-project/specs-actors/v6/actors/builtin/verifreg"
+	adt6 "github.com/filecoin-project/specs-actors/v6/actors/util/adt"
+)
+
+var _ State = (*state6)(nil)
+
+func load6(store adt.Store, root cid.Cid) (State, error) {
+	out := state6{store: store}
+	err := store.Get(store.Context(), root, &out)
+	if err != nil {
+		return nil, err
+	}
+	return &out, nil
+}
+
+func make6(store adt.Store, rootKeyAddress address.Address) (State, error) {
+	out := state6{store: store}
+
+	s, err := verifreg6.ConstructState(store, rootKeyAddress)
+	if err != nil {
+		return nil, err
+	}
+
+	out.State = *s
+
+	return &out, nil
+}
+
+type state6 struct {
+	verifreg6.State
+	store adt.Store
+}
+
+func (s *state6) RootKey() (address.Address, error) {
+	return s.State.RootKey, nil
+}
+
+func (s *state6) VerifiedClientDataCap(addr address.Address) (bool, abi.StoragePower, error) {
+	return getDataCap(s.store, actors.Version6, s.verifiedClients, addr)
+}
+
+func (s *state6) VerifierDataCap(addr address.Address) (bool, abi.StoragePower, error) {
+	return getDataCap(s.store, actors.Version6, s.verifiers, addr)
+}
+
+func (s *state6) ForEachVerifier(cb func(addr address.Address, dcap abi.StoragePower) error) error {
+	return forEachCap(s.store, actors.Version6, s.verifiers, cb)
+}
+
+func (s *state6) ForEachClient(cb func(addr address.Address, dcap abi.StoragePower) error) error {
+	return forEachCap(s.store, actors.Version6, s.verifiedClients, cb)
+}
+
+func (s *state6) verifiedClients() (adt.Map, error) {
+	return adt6.AsMap(s.store, s.VerifiedClients, builtin6.DefaultHamtBitwidth)
+}
+
+func (s *state6) verifiers() (adt.Map, error) {
+	return adt6.AsMap(s.store, s.Verifiers, builtin6.DefaultHamtBitwidth)
+}
+
+func (s *state6) GetState() interface{} {
+	return &s.State
+}

chain/actors/builtin/verifreg/verifreg.go

@@ -19,6 +19,8 @@ import (
 
 	builtin5 "github.com/filecoin-project/specs-actors/v5/actors/builtin"
 
+	builtin6 "github.com/filecoin-project/specs-actors/v6/actors/builtin"
+
 	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/chain/actors/builtin"
@@ -47,11 +49,15 @@ func init() {
 		return load5(store, root)
 	})
 
+	builtin.RegisterActorState(builtin6.VerifiedRegistryActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
+		return load6(store, root)
+	})
+
 }
 
 var (
-	Address = builtin5.VerifiedRegistryActorAddr
+	Address = builtin6.VerifiedRegistryActorAddr
-	Methods = builtin5.MethodsVerifiedRegistry
+	Methods = builtin6.MethodsVerifiedRegistry
 )
 
 func Load(store adt.Store, act *types.Actor) (State, error) {
@@ -72,6 +78,9 @@ func Load(store adt.Store, act *types.Actor) (State, error) {
 	case builtin5.VerifiedRegistryActorCodeID:
 		return load5(store, act.Head)
 
+	case builtin6.VerifiedRegistryActorCodeID:
+		return load6(store, act.Head)
+
 	}
 	return nil, xerrors.Errorf("unknown actor code %s", act.Code)
 }
@@ -94,6 +103,9 @@ func MakeState(store adt.Store, av actors.Version, rootKeyAddress address.Addres
 	case actors.Version5:
 		return make5(store, rootKeyAddress)
 
+	case actors.Version6:
+		return make6(store, rootKeyAddress)
+
 	}
 	return nil, xerrors.Errorf("unknown actor version %d", av)
 }
@@ -116,6 +128,9 @@ func GetActorCodeID(av actors.Version) (cid.Cid, error) {
 	case actors.Version5:
 		return builtin5.VerifiedRegistryActorCodeID, nil
 
+	case actors.Version6:
+		return builtin6.VerifiedRegistryActorCodeID, nil
+
 	}
 
 	return cid.Undef, xerrors.Errorf("unknown actor version %d", av)

chain/actors/policy/policy.go

@@ -35,14 +35,19 @@ import (
 	miner5 "github.com/filecoin-project/specs-actors/v5/actors/builtin/miner"
 	verifreg5 "github.com/filecoin-project/specs-actors/v5/actors/builtin/verifreg"
 
-	paych5 "github.com/filecoin-project/specs-actors/v5/actors/builtin/paych"
+	builtin6 "github.com/filecoin-project/specs-actors/v6/actors/builtin"
+	market6 "github.com/filecoin-project/specs-actors/v6/actors/builtin/market"
+	miner6 "github.com/filecoin-project/specs-actors/v6/actors/builtin/miner"
+	verifreg6 "github.com/filecoin-project/specs-actors/v6/actors/builtin/verifreg"
+
+	paych6 "github.com/filecoin-project/specs-actors/v6/actors/builtin/paych"
 )
 
 const (
-	ChainFinality                  = miner5.ChainFinality
+	ChainFinality                  = miner6.ChainFinality
 	SealRandomnessLookback         = ChainFinality
-	PaychSettleDelay               = paych5.SettleDelay
+	PaychSettleDelay               = paych6.SettleDelay
-	MaxPreCommitRandomnessLookback = builtin5.EpochsInDay + SealRandomnessLookback
+	MaxPreCommitRandomnessLookback = builtin6.EpochsInDay + SealRandomnessLookback
 )
 
 // SetSupportedProofTypes sets supported proof types, across all actor versions.
@@ -65,6 +70,8 @@ func SetSupportedProofTypes(types ...abi.RegisteredSealProof) {
 
 	miner5.PreCommitSealProofTypesV8 = make(map[abi.RegisteredSealProof]struct{}, len(types))
 
+	miner6.PreCommitSealProofTypesV8 = make(map[abi.RegisteredSealProof]struct{}, len(types))
+
 	AddSupportedProofTypes(types...)
 }
 
@@ -103,6 +110,15 @@ func AddSupportedProofTypes(types ...abi.RegisteredSealProof) {
 
 		miner5.WindowPoStProofTypes[wpp] = struct{}{}
 
+		miner6.PreCommitSealProofTypesV8[t+abi.RegisteredSealProof_StackedDrg2KiBV1_1] = struct{}{}
+		wpp, err = t.RegisteredWindowPoStProof()
+		if err != nil {
+			// Fine to panic, this is a test-only method
+			panic(err)
+		}
+
+		miner6.WindowPoStProofTypes[wpp] = struct{}{}
+
 	}
 }
 
@@ -121,11 +137,13 @@ func SetPreCommitChallengeDelay(delay abi.ChainEpoch) {
 
 	miner5.PreCommitChallengeDelay = delay
 
+	miner6.PreCommitChallengeDelay = delay
+
 }
 
 // TODO: this function shouldn't really exist. Instead, the API should expose the precommit delay.
 func GetPreCommitChallengeDelay() abi.ChainEpoch {
-	return miner5.PreCommitChallengeDelay
+	return miner6.PreCommitChallengeDelay
 }
 
 // SetConsensusMinerMinPower sets the minimum power of an individual miner must
@@ -151,6 +169,10 @@ func SetConsensusMinerMinPower(p abi.StoragePower) {
 		policy.ConsensusMinerMinPower = p
 	}
 
+	for _, policy := range builtin6.PoStProofPolicies {
+		policy.ConsensusMinerMinPower = p
+	}
+
 }
 
 // SetMinVerifiedDealSize sets the minimum size of a verified deal. This should
@@ -167,6 +189,8 @@ func SetMinVerifiedDealSize(size abi.StoragePower) {
 
 	verifreg5.MinVerifiedDealSize = size
 
+	verifreg6.MinVerifiedDealSize = size
+
 }
 
 func GetMaxProveCommitDuration(ver actors.Version, t abi.RegisteredSealProof) (abi.ChainEpoch, error) {
@@ -192,6 +216,10 @@ func GetMaxProveCommitDuration(ver actors.Version, t abi.RegisteredSealProof) (a
 
 		return miner5.MaxProveCommitDuration[t], nil
 
+	case actors.Version6:
+
+		return miner6.MaxProveCommitDuration[t], nil
+
 	default:
 		return 0, xerrors.Errorf("unsupported actors version")
 	}
@@ -222,6 +250,11 @@ func SetProviderCollateralSupplyTarget(num, denom big.Int) {
 		Denominator: denom,
 	}
 
+	market6.ProviderCollateralSupplyTarget = builtin6.BigFrac{
+		Numerator:   num,
+		Denominator: denom,
+	}
+
 }
 
 func DealProviderCollateralBounds(
@@ -260,13 +293,18 @@ func DealProviderCollateralBounds(
 		min, max := market5.DealProviderCollateralBounds(size, verified, rawBytePower, qaPower, baselinePower, circulatingFil)
 		return min, max, nil
 
+	case actors.Version6:
+
+		min, max := market6.DealProviderCollateralBounds(size, verified, rawBytePower, qaPower, baselinePower, circulatingFil)
+		return min, max, nil
+
 	default:
 		return big.Zero(), big.Zero(), xerrors.Errorf("unsupported actors version")
 	}
 }
 
 func DealDurationBounds(pieceSize abi.PaddedPieceSize) (min, max abi.ChainEpoch) {
-	return market5.DealDurationBounds(pieceSize)
+	return market6.DealDurationBounds(pieceSize)
 }
 
 // Sets the challenge window and scales the proving period to match (such that
@@ -300,6 +338,13 @@ func SetWPoStChallengeWindow(period abi.ChainEpoch) {
 	// scale it if we're scaling the challenge period.
 	miner5.WPoStDisputeWindow = period * 30
 
+	miner6.WPoStChallengeWindow = period
+	miner6.WPoStProvingPeriod = period * abi.ChainEpoch(miner6.WPoStPeriodDeadlines)
+
+	// by default, this is 2x finality which is 30 periods.
+	// scale it if we're scaling the challenge period.
+	miner6.WPoStDisputeWindow = period * 30
+
 }
 
 func GetWinningPoStSectorSetLookback(nwVer network.Version) abi.ChainEpoch {
@@ -312,15 +357,15 @@ func GetWinningPoStSectorSetLookback(nwVer network.Version) abi.ChainEpoch {
 }
 
 func GetMaxSectorExpirationExtension() abi.ChainEpoch {
-	return miner5.MaxSectorExpirationExtension
+	return miner6.MaxSectorExpirationExtension
 }
 
 func GetMinSectorExpiration() abi.ChainEpoch {
-	return miner5.MinSectorExpiration
+	return miner6.MinSectorExpiration
 }
 
 func GetMaxPoStPartitions(nv network.Version, p abi.RegisteredPoStProof) (int, error) {
-	sectorsPerPart, err := builtin5.PoStProofWindowPoStPartitionSectors(p)
+	sectorsPerPart, err := builtin6.PoStProofWindowPoStPartitionSectors(p)
 	if err != nil {
 		return 0, err
 	}
@@ -333,8 +378,8 @@ func GetMaxPoStPartitions(nv network.Version, p abi.RegisteredPoStProof) (int, e
 
 func GetDefaultSectorSize() abi.SectorSize {
 	// supported sector sizes are the same across versions.
-	szs := make([]abi.SectorSize, 0, len(miner5.PreCommitSealProofTypesV8))
+	szs := make([]abi.SectorSize, 0, len(miner6.PreCommitSealProofTypesV8))
-	for spt := range miner5.PreCommitSealProofTypesV8 {
+	for spt := range miner6.PreCommitSealProofTypesV8 {
 		ss, err := spt.SectorSize()
 		if err != nil {
 			panic(err)
@@ -359,7 +404,7 @@ func GetSectorMaxLifetime(proof abi.RegisteredSealProof, nwVer network.Version)
 		return builtin4.SealProofPoliciesV0[proof].SectorMaxLifetime
 	}
 
-	return builtin5.SealProofPoliciesV11[proof].SectorMaxLifetime
+	return builtin6.SealProofPoliciesV11[proof].SectorMaxLifetime
 }
 
 func GetAddressedSectorsMax(nwVer network.Version) (int, error) {
@@ -384,6 +429,9 @@ func GetAddressedSectorsMax(nwVer network.Version) (int, error) {
 	case actors.Version5:
 		return miner5.AddressedSectorsMax, nil
 
+	case actors.Version6:
+		return miner6.AddressedSectorsMax, nil
+
 	default:
 		return 0, xerrors.Errorf("unsupported network version")
 	}
@@ -417,12 +465,16 @@ func GetDeclarationsMax(nwVer network.Version) (int, error) {
 
 		return miner5.DeclarationsMax, nil
 
+	case actors.Version6:
+
+		return miner6.DeclarationsMax, nil
+
 	default:
 		return 0, xerrors.Errorf("unsupported network version")
 	}
 }
 
-func AggregateNetworkFee(nwVer network.Version, aggregateSize int, baseFee abi.TokenAmount) (abi.TokenAmount, error) {
+func AggregateProveCommitNetworkFee(nwVer network.Version, aggregateSize int, baseFee abi.TokenAmount) (abi.TokenAmount, error) {
 	v, err := actors.VersionForNetwork(nwVer)
 	if err != nil {
 		return big.Zero(), err
@@ -449,6 +501,46 @@ func AggregateNetworkFee(nwVer network.Version, aggregateSize int, baseFee abi.T
 
 		return miner5.AggregateNetworkFee(aggregateSize, baseFee), nil
 
+	case actors.Version6:
+
+		return miner6.AggregateProveCommitNetworkFee(aggregateSize, baseFee), nil
+
+	default:
+		return big.Zero(), xerrors.Errorf("unsupported network version")
+	}
+}
+
+func AggregatePreCommitNetworkFee(nwVer network.Version, aggregateSize int, baseFee abi.TokenAmount) (abi.TokenAmount, error) {
+	v, err := actors.VersionForNetwork(nwVer)
+	if err != nil {
+		return big.Zero(), err
+	}
+	switch v {
+
+	case actors.Version0:
+
+		return big.Zero(), nil
+
+	case actors.Version2:
+
+		return big.Zero(), nil
+
+	case actors.Version3:
+
+		return big.Zero(), nil
+
+	case actors.Version4:
+
+		return big.Zero(), nil
+
+	case actors.Version5:
+
+		return big.Zero(), nil
+
+	case actors.Version6:
+
+		return miner6.AggregatePreCommitNetworkFee(aggregateSize, baseFee), nil
+
 	default:
 		return big.Zero(), xerrors.Errorf("unsupported network version")
 	}

chain/actors/policy/policy.go.template

@@ -63,7 +63,7 @@ func AddSupportedProofTypes(types ...abi.RegisteredSealProof) {
                 miner{{.}}.PreCommitSealProofTypesV7[t] = struct{}{}
                 miner{{.}}.PreCommitSealProofTypesV7[t+abi.RegisteredSealProof_StackedDrg2KiBV1_1] = struct{}{}
                 miner{{.}}.PreCommitSealProofTypesV8[t+abi.RegisteredSealProof_StackedDrg2KiBV1_1] = struct{}{}
-            {{else}}
+            {{else if (eq . 5)}}
                 miner{{.}}.PreCommitSealProofTypesV8[t+abi.RegisteredSealProof_StackedDrg2KiBV1_1] = struct{}{}
                 wpp, err := t.RegisteredWindowPoStProof()
                 if err != nil {
@@ -71,6 +71,15 @@ func AddSupportedProofTypes(types ...abi.RegisteredSealProof) {
                     panic(err)
                 }
 
+                miner{{.}}.WindowPoStProofTypes[wpp] = struct{}{}
+            {{else}}
+                miner{{.}}.PreCommitSealProofTypesV8[t+abi.RegisteredSealProof_StackedDrg2KiBV1_1] = struct{}{}
+                wpp, err = t.RegisteredWindowPoStProof()
+                if err != nil {
+                    // Fine to panic, this is a test-only method
+                    panic(err)
+                }
+
                 miner{{.}}.WindowPoStProofTypes[wpp] = struct{}{}
             {{end}}
         {{end}}
@@ -285,7 +294,7 @@ func GetDeclarationsMax(nwVer network.Version) (int, error) {
 	}
 }
 
-func AggregateNetworkFee(nwVer network.Version, aggregateSize int, baseFee abi.TokenAmount) (abi.TokenAmount, error) {
+func AggregateProveCommitNetworkFee(nwVer network.Version, aggregateSize int, baseFee abi.TokenAmount) (abi.TokenAmount, error) {
    v, err := actors.VersionForNetwork(nwVer)
 	if err != nil {
 		return big.Zero(), err
@@ -293,10 +302,31 @@ func AggregateNetworkFee(nwVer network.Version, aggregateSize int, baseFee abi.T
 	switch v {
 	    {{range .versions}}
 	    case actors.Version{{.}}:
-            {{if (le . 4)}}
+            {{if (ge . 6)}}
-                return big.Zero(), nil
+                return miner{{.}}.AggregateProveCommitNetworkFee(aggregateSize, baseFee), nil
-            {{else}}
+            {{else if (eq . 5)}}
                 return miner{{.}}.AggregateNetworkFee(aggregateSize, baseFee), nil
+            {{else}}
+                return big.Zero(), nil
+            {{end}}
+        {{end}}
+	default:
+		return big.Zero(), xerrors.Errorf("unsupported network version")
+	}
+}
+
+func AggregatePreCommitNetworkFee(nwVer network.Version, aggregateSize int, baseFee abi.TokenAmount) (abi.TokenAmount, error) {
+   v, err := actors.VersionForNetwork(nwVer)
+	if err != nil {
+		return big.Zero(), err
+	}
+	switch v {
+	    {{range .versions}}
+	    case actors.Version{{.}}:
+            {{if (ge . 6)}}
+                return miner{{.}}.AggregatePreCommitNetworkFee(aggregateSize, baseFee), nil
+            {{else}}
+                return big.Zero(), nil
             {{end}}
         {{end}}
 	default:

chain/actors/version.go

@@ -8,9 +8,9 @@ import (
 
 type Version int
 
-var LatestVersion = 5
+var LatestVersion = 6
 
-var Versions = []int{0, 2, 3, 4, LatestVersion}
+var Versions = []int{0, 2, 3, 4, 5, LatestVersion}
 
 const (
 	Version0 Version = 0
@@ -18,6 +18,7 @@ const (
 	Version3 Version = 3
 	Version4 Version = 4
 	Version5 Version = 5
+	Version6 Version = 6
 )
 
 // Converts a network version into an actors adt version.
@@ -33,6 +34,8 @@ func VersionForNetwork(version network.Version) (Version, error) {
 		return Version4, nil
 	case network.Version13:
 		return Version5, nil
+	case network.Version14:
+		return Version6, nil
 	default:
 		return -1, fmt.Errorf("unsupported network version %d", version)
 	}

chain/beacon/mock.go

@@ -54,7 +54,8 @@ func (mb *mockBeacon) VerifyEntry(from types.BeaconEntry, to types.BeaconEntry)
 }
 
 func (mb *mockBeacon) MaxBeaconRoundForEpoch(epoch abi.ChainEpoch) uint64 {
-	return uint64(epoch)
+	// offset for better testing
+	return uint64(epoch + 100)
 }
 
 var _ RandomBeacon = (*mockBeacon)(nil)

chain/consensus/filcns/compute_state.go

@@ -4,6 +4,8 @@ import (
 	"context"
 	"sync/atomic"
 
+	"github.com/filecoin-project/lotus/chain/rand"
+
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
 	"go.opencensus.io/stats"
@@ -19,6 +21,7 @@ import (
 	exported3 "github.com/filecoin-project/specs-actors/v3/actors/builtin/exported"
 	exported4 "github.com/filecoin-project/specs-actors/v4/actors/builtin/exported"
 	exported5 "github.com/filecoin-project/specs-actors/v5/actors/builtin/exported"
+	exported6 "github.com/filecoin-project/specs-actors/v6/actors/builtin/exported"
 
 	"github.com/filecoin-project/lotus/build"
 	"github.com/filecoin-project/lotus/chain/actors"
@@ -42,6 +45,7 @@ func NewActorRegistry() *vm.ActorRegistry {
 	inv.Register(vm.ActorsVersionPredicate(actors.Version3), exported3.BuiltinActors()...)
 	inv.Register(vm.ActorsVersionPredicate(actors.Version4), exported4.BuiltinActors()...)
 	inv.Register(vm.ActorsVersionPredicate(actors.Version5), exported5.BuiltinActors()...)
+	inv.Register(vm.ActorsVersionPredicate(actors.Version6), exported6.BuiltinActors()...)
 
 	return inv
 }
@@ -278,7 +282,7 @@ func (t *TipSetExecutor) ExecuteTipSet(ctx context.Context, sm *stmgr.StateManag
 		parentEpoch = parent.Height
 	}
 
-	r := store.NewChainRand(sm.ChainStore(), ts.Cids())
+	r := rand.NewStateRand(sm.ChainStore(), ts.Cids(), sm.Beacon())
 
 	blkmsgs, err := sm.ChainStore().BlockMsgsForTipset(ts)
 	if err != nil {

chain/consensus/filcns/filecoin.go

@@ -9,6 +9,8 @@ import (
 	"strings"
 	"time"
 
+	"github.com/filecoin-project/lotus/chain/rand"
+
 	"github.com/hashicorp/go-multierror"
 	"github.com/ipfs/go-cid"
 	cbor "github.com/ipfs/go-ipld-cbor"
@@ -219,7 +221,7 @@ func (filec *FilecoinEC) ValidateBlock(ctx context.Context, b *types.FullBlock)
 			return xerrors.Errorf("failed to marshal miner address to cbor: %w", err)
 		}
 
-		vrfBase, err := store.DrawRandomness(rBeacon.Data, crypto.DomainSeparationTag_ElectionProofProduction, h.Height, buf.Bytes())
+		vrfBase, err := rand.DrawRandomness(rBeacon.Data, crypto.DomainSeparationTag_ElectionProofProduction, h.Height, buf.Bytes())
 		if err != nil {
 			return xerrors.Errorf("could not draw randomness: %w", err)
 		}
@@ -283,7 +285,7 @@ func (filec *FilecoinEC) ValidateBlock(ctx context.Context, b *types.FullBlock)
 			beaconBase = h.BeaconEntries[len(h.BeaconEntries)-1]
 		}
 
-		vrfBase, err := store.DrawRandomness(beaconBase.Data, crypto.DomainSeparationTag_TicketProduction, h.Height-build.TicketRandomnessLookback, buf.Bytes())
+		vrfBase, err := rand.DrawRandomness(beaconBase.Data, crypto.DomainSeparationTag_TicketProduction, h.Height-build.TicketRandomnessLookback, buf.Bytes())
 		if err != nil {
 			return xerrors.Errorf("failed to compute vrf base for ticket: %w", err)
 		}
@@ -388,7 +390,7 @@ func (filec *FilecoinEC) VerifyWinningPoStProof(ctx context.Context, nv network.
 		rbase = h.BeaconEntries[len(h.BeaconEntries)-1]
 	}
 
-	rand, err := store.DrawRandomness(rbase.Data, crypto.DomainSeparationTag_WinningPoStChallengeSeed, h.Height, buf.Bytes())
+	rand, err := rand.DrawRandomness(rbase.Data, crypto.DomainSeparationTag_WinningPoStChallengeSeed, h.Height, buf.Bytes())
 	if err != nil {
 		return xerrors.Errorf("failed to get randomness for verifying winning post proof: %w", err)
 	}
@@ -530,6 +532,12 @@ func (filec *FilecoinEC) checkBlockMessages(ctx context.Context, b *types.FullBl
 
 	smArr := blockadt.MakeEmptyArray(tmpstore)
 	for i, m := range b.SecpkMessages {
+		if filec.sm.GetNtwkVersion(ctx, b.Header.Height) >= network.Version14 {
+			if m.Signature.Type != crypto.SigTypeSecp256k1 {
+				return xerrors.Errorf("block had invalid secpk message at index %d: %w", i, err)
+			}
+		}
+
 		if err := checkMsg(m); err != nil {
 			return xerrors.Errorf("block had invalid secpk message at index %d: %w", i, err)
 		}

chain/consensus/filcns/upgrades.go

@@ -5,6 +5,8 @@ import (
 	"runtime"
 	"time"
 
+	"github.com/filecoin-project/specs-actors/v6/actors/migration/nv14"
+
 	"github.com/ipfs/go-cid"
 	cbor "github.com/ipfs/go-ipld-cbor"
 	"golang.org/x/xerrors"
@@ -137,7 +139,25 @@ func DefaultUpgradeSchedule() stmgr.UpgradeSchedule {
 			DontStartWithin: 15,
 			StopWithin:      5,
 		}},
-		Expensive: true}}
+		Expensive: true,
+	}, {
+		Height:    build.UpgradeChocolateHeight,
+		Network:   network.Version14,
+		Migration: UpgradeActorsV6,
+		PreMigrations: []stmgr.PreMigration{{
+			PreMigration:    PreUpgradeActorsV6,
+			StartWithin:     120,
+			DontStartWithin: 60,
+			StopWithin:      35,
+		}, {
+			PreMigration:    PreUpgradeActorsV6,
+			StartWithin:     30,
+			DontStartWithin: 15,
+			StopWithin:      5,
+		}},
+		Expensive: true,
+	},
+	}
 
 	for _, u := range updates {
 		if u.Height < 0 {
@@ -1091,6 +1111,92 @@ func upgradeActorsV5Common(
 	return newRoot, nil
 }
 
+func UpgradeActorsV6(ctx context.Context, sm *stmgr.StateManager, cache stmgr.MigrationCache, cb stmgr.ExecMonitor, root cid.Cid, epoch abi.ChainEpoch, ts *types.TipSet) (cid.Cid, error) {
+	// Use all the CPUs except 3.
+	workerCount := runtime.NumCPU() - 3
+	if workerCount <= 0 {
+		workerCount = 1
+	}
+
+	config := nv14.Config{
+		MaxWorkers:        uint(workerCount),
+		JobQueueSize:      1000,
+		ResultQueueSize:   100,
+		ProgressLogPeriod: 10 * time.Second,
+	}
+
+	newRoot, err := upgradeActorsV6Common(ctx, sm, cache, root, epoch, ts, config)
+	if err != nil {
+		return cid.Undef, xerrors.Errorf("migrating actors v5 state: %w", err)
+	}
+
+	return newRoot, nil
+}
+
+func PreUpgradeActorsV6(ctx context.Context, sm *stmgr.StateManager, cache stmgr.MigrationCache, root cid.Cid, epoch abi.ChainEpoch, ts *types.TipSet) error {
+	// Use half the CPUs for pre-migration, but leave at least 3.
+	workerCount := runtime.NumCPU()
+	if workerCount <= 4 {
+		workerCount = 1
+	} else {
+		workerCount /= 2
+	}
+	config := nv14.Config{MaxWorkers: uint(workerCount)}
+	_, err := upgradeActorsV6Common(ctx, sm, cache, root, epoch, ts, config)
+	return err
+}
+
+func upgradeActorsV6Common(
+	ctx context.Context, sm *stmgr.StateManager, cache stmgr.MigrationCache,
+	root cid.Cid, epoch abi.ChainEpoch, ts *types.TipSet,
+	config nv14.Config,
+) (cid.Cid, error) {
+	buf := blockstore.NewTieredBstore(sm.ChainStore().StateBlockstore(), blockstore.NewMemorySync())
+	store := store.ActorStore(ctx, buf)
+
+	// Load the state root.
+	var stateRoot types.StateRoot
+	if err := store.Get(ctx, root, &stateRoot); err != nil {
+		return cid.Undef, xerrors.Errorf("failed to decode state root: %w", err)
+	}
+
+	if stateRoot.Version != types.StateTreeVersion4 {
+		return cid.Undef, xerrors.Errorf(
+			"expected state root version 4 for actors v6 upgrade, got %d",
+			stateRoot.Version,
+		)
+	}
+
+	// Perform the migration
+	newHamtRoot, err := nv14.MigrateStateTree(ctx, store, stateRoot.Actors, epoch, config, migrationLogger{}, cache)
+	if err != nil {
+		return cid.Undef, xerrors.Errorf("upgrading to actors v5: %w", err)
+	}
+
+	// Persist the result.
+	newRoot, err := store.Put(ctx, &types.StateRoot{
+		Version: types.StateTreeVersion4,
+		Actors:  newHamtRoot,
+		Info:    stateRoot.Info,
+	})
+	if err != nil {
+		return cid.Undef, xerrors.Errorf("failed to persist new state root: %w", err)
+	}
+
+	// Persist the new tree.
+
+	{
+		from := buf
+		to := buf.Read()
+
+		if err := vm.Copy(ctx, from, to, newRoot); err != nil {
+			return cid.Undef, xerrors.Errorf("copying migrated tree: %w", err)
+		}
+	}
+
+	return newRoot, nil
+}
+
 type migrationLogger struct{}
 
 func (ml migrationLogger) Log(level rt.LogLevel, msg string, args ...interface{}) {

chain/gen/gen.go

@@ -9,6 +9,8 @@ import (
 	"sync/atomic"
 	"time"
 
+	"github.com/filecoin-project/lotus/chain/rand"
+
 	"github.com/filecoin-project/go-state-types/network"
 
 	"github.com/filecoin-project/go-address"
@@ -246,11 +248,6 @@ func NewGeneratorWithSectorsAndUpgradeSchedule(numSectors int, us stmgr.UpgradeS
 		mgen[genesis2.MinerAddress(uint64(i))] = &wppProvider{}
 	}
 
-	sm, err := stmgr.NewStateManager(cs, filcns.NewTipSetExecutor(), sys, us)
-	if err != nil {
-		return nil, xerrors.Errorf("initing stmgr: %w", err)
-	}
-
 	miners := []address.Address{maddr1, maddr2}
 
 	beac := beacon.Schedule{{Start: 0, Beacon: beacon.NewMockBeacon(time.Second)}}
@@ -259,6 +256,11 @@ func NewGeneratorWithSectorsAndUpgradeSchedule(numSectors int, us stmgr.UpgradeS
 	//return nil, xerrors.Errorf("creating drand beacon: %w", err)
 	//}
 
+	sm, err := stmgr.NewStateManager(cs, filcns.NewTipSetExecutor(), sys, us, beac)
+	if err != nil {
+		return nil, xerrors.Errorf("initing stmgr: %w", err)
+	}
+
 	gen := &ChainGen{
 		bs:           bs,
 		cs:           cs,
@@ -307,6 +309,10 @@ func (cg *ChainGen) ChainStore() *store.ChainStore {
 	return cg.cs
 }
 
+func (cg *ChainGen) BeaconSchedule() beacon.Schedule {
+	return cg.beacon
+}
+
 func (cg *ChainGen) Genesis() *types.BlockHeader {
 	return cg.genesis
 }
@@ -365,7 +371,7 @@ func (cg *ChainGen) nextBlockProof(ctx context.Context, pts *types.TipSet, m add
 		buf.Write(pts.MinTicket().VRFProof)
 	}
 
-	ticketRand, err := store.DrawRandomness(rbase.Data, crypto.DomainSeparationTag_TicketProduction, round-build.TicketRandomnessLookback, buf.Bytes())
+	ticketRand, err := rand.DrawRandomness(rbase.Data, crypto.DomainSeparationTag_TicketProduction, round-build.TicketRandomnessLookback, buf.Bytes())
 	if err != nil {
 		return nil, nil, nil, err
 	}
@@ -397,12 +403,15 @@ type MinedTipSet struct {
 }
 
 func (cg *ChainGen) NextTipSet() (*MinedTipSet, error) {
-	mts, err := cg.NextTipSetFromMiners(cg.CurTipset.TipSet(), cg.Miners, 0)
+	return cg.NextTipSetWithNulls(0)
+}
+
+func (cg *ChainGen) NextTipSetWithNulls(nulls abi.ChainEpoch) (*MinedTipSet, error) {
+	mts, err := cg.NextTipSetFromMiners(cg.CurTipset.TipSet(), cg.Miners, nulls)
 	if err != nil {
 		return nil, err
 	}
 
-	cg.CurTipset = mts.TipSet
 	return mts, nil
 }
 
@@ -586,29 +595,11 @@ type mca struct {
 }
 
 func (mca mca) StateGetRandomnessFromTickets(ctx context.Context, personalization crypto.DomainSeparationTag, randEpoch abi.ChainEpoch, entropy []byte, tsk types.TipSetKey) (abi.Randomness, error) {
-	pts, err := mca.sm.ChainStore().LoadTipSet(tsk)
+	return mca.sm.GetRandomnessFromTickets(ctx, personalization, randEpoch, entropy, tsk)
-	if err != nil {
-		return nil, xerrors.Errorf("loading tipset key: %w", err)
-	}
-
-	if mca.sm.GetNtwkVersion(ctx, randEpoch) >= network.Version13 {
-		return mca.sm.ChainStore().GetChainRandomnessLookingForward(ctx, pts.Cids(), personalization, randEpoch, entropy)
-	}
-
-	return mca.sm.ChainStore().GetChainRandomnessLookingBack(ctx, pts.Cids(), personalization, randEpoch, entropy)
 }
 
 func (mca mca) StateGetRandomnessFromBeacon(ctx context.Context, personalization crypto.DomainSeparationTag, randEpoch abi.ChainEpoch, entropy []byte, tsk types.TipSetKey) (abi.Randomness, error) {
-	pts, err := mca.sm.ChainStore().LoadTipSet(tsk)
+	return mca.sm.GetRandomnessFromBeacon(ctx, personalization, randEpoch, entropy, tsk)
-	if err != nil {
-		return nil, xerrors.Errorf("loading tipset key: %w", err)
-	}
-
-	if mca.sm.GetNtwkVersion(ctx, randEpoch) >= network.Version13 {
-		return mca.sm.ChainStore().GetBeaconRandomnessLookingForward(ctx, pts.Cids(), personalization, randEpoch, entropy)
-	}
-
-	return mca.sm.ChainStore().GetBeaconRandomnessLookingBack(ctx, pts.Cids(), personalization, randEpoch, entropy)
 }
 
 func (mca mca) MinerGetBaseInfo(ctx context.Context, maddr address.Address, epoch abi.ChainEpoch, tsk types.TipSetKey) (*api.MiningBaseInfo, error) {
@@ -644,7 +635,7 @@ func IsRoundWinner(ctx context.Context, ts *types.TipSet, round abi.ChainEpoch,
 		return nil, xerrors.Errorf("failed to cbor marshal address: %w", err)
 	}
 
-	electionRand, err := store.DrawRandomness(brand.Data, crypto.DomainSeparationTag_ElectionProofProduction, round, buf.Bytes())
+	electionRand, err := rand.DrawRandomness(brand.Data, crypto.DomainSeparationTag_ElectionProofProduction, round, buf.Bytes())
 	if err != nil {
 		return nil, xerrors.Errorf("failed to draw randomness: %w", err)
 	}

chain/gen/genesis/miners.go

@@ -6,6 +6,8 @@ import (
 	"fmt"
 	"math/rand"
 
+	builtin6 "github.com/filecoin-project/specs-actors/v6/actors/builtin"
+
 	"github.com/ipfs/go-cid"
 	cbor "github.com/ipfs/go-ipld-cbor"
 	cbg "github.com/whyrusleeping/cbor-gen"
@@ -193,12 +195,21 @@ func SetupStorageMiners(ctx context.Context, cs *store.ChainStore, sys vm.Syscal
 				if err != nil {
 					return xerrors.Errorf("failed to create genesis miner (publish deals): %w", err)
 				}
-				var ids market.PublishStorageDealsReturn
+				retval, err := market.DecodePublishStorageDealsReturn(ret, nv)
-				if err := ids.UnmarshalCBOR(bytes.NewReader(ret)); err != nil {
+				if err != nil {
-					return xerrors.Errorf("unmarsahling publishStorageDeals result: %w", err)
+					return xerrors.Errorf("failed to create genesis miner (decoding published deals): %w", err)
 				}
 
-				minerInfos[i].dealIDs = append(minerInfos[i].dealIDs, ids.IDs...)
+				ids, err := retval.DealIDs()
+				if err != nil {
+					return xerrors.Errorf("failed to create genesis miner (getting published dealIDs): %w", err)
+				}
+
+				if len(ids) != len(params.Deals) {
+					return xerrors.Errorf("failed to create genesis miner (at least one deal was invalid on publication")
+				}
+
+				minerInfos[i].dealIDs = append(minerInfos[i].dealIDs, ids...)
 				return nil
 			}
 
@@ -389,11 +400,24 @@ func SetupStorageMiners(ctx context.Context, cs *store.ChainStore, sys vm.Syscal
 				}
 
 				// Commit one-by-one, otherwise pledge math tends to explode
-				confirmParams := &builtin0.ConfirmSectorProofsParams{
+				var paramBytes []byte
-					Sectors: []abi.SectorNumber{preseal.SectorID},
+
+				if av >= actors.Version6 {
+					// TODO: fixup
+					confirmParams := &builtin6.ConfirmSectorProofsParams{
+						Sectors: []abi.SectorNumber{preseal.SectorID},
+					}
+
+					paramBytes = mustEnc(confirmParams)
+				} else {
+					confirmParams := &builtin0.ConfirmSectorProofsParams{
+						Sectors: []abi.SectorNumber{preseal.SectorID},
+					}
+
+					paramBytes = mustEnc(confirmParams)
 				}
 
-				_, err = doExecValue(ctx, vm, minerInfos[i].maddr, power.Address, big.Zero(), miner.Methods.ConfirmSectorProofsValid, mustEnc(confirmParams))
+				_, err = doExecValue(ctx, vm, minerInfos[i].maddr, power.Address, big.Zero(), miner.Methods.ConfirmSectorProofsValid, paramBytes)
 				if err != nil {
 					return cid.Undef, xerrors.Errorf("failed to confirm presealed sectors: %w", err)
 				}
@@ -485,25 +509,31 @@ func SetupStorageMiners(ctx context.Context, cs *store.ChainStore, sys vm.Syscal
 // TODO: copied from actors test harness, deduplicate or remove from here
 type fakeRand struct{}
 
-func (fr *fakeRand) GetChainRandomnessLookingForward(ctx context.Context, personalization crypto.DomainSeparationTag, randEpoch abi.ChainEpoch, entropy []byte) ([]byte, error) {
+func (fr *fakeRand) GetChainRandomnessV2(ctx context.Context, personalization crypto.DomainSeparationTag, randEpoch abi.ChainEpoch, entropy []byte) ([]byte, error) {
 	out := make([]byte, 32)
 	_, _ = rand.New(rand.NewSource(int64(randEpoch * 1000))).Read(out) //nolint
 	return out, nil
 }
 
-func (fr *fakeRand) GetChainRandomnessLookingBack(ctx context.Context, personalization crypto.DomainSeparationTag, randEpoch abi.ChainEpoch, entropy []byte) ([]byte, error) {
+func (fr *fakeRand) GetChainRandomnessV1(ctx context.Context, personalization crypto.DomainSeparationTag, randEpoch abi.ChainEpoch, entropy []byte) ([]byte, error) {
 	out := make([]byte, 32)
 	_, _ = rand.New(rand.NewSource(int64(randEpoch * 1000))).Read(out) //nolint
 	return out, nil
 }
 
-func (fr *fakeRand) GetBeaconRandomnessLookingForward(ctx context.Context, personalization crypto.DomainSeparationTag, randEpoch abi.ChainEpoch, entropy []byte) ([]byte, error) {
+func (fr *fakeRand) GetBeaconRandomnessV3(ctx context.Context, personalization crypto.DomainSeparationTag, randEpoch abi.ChainEpoch, entropy []byte) ([]byte, error) {
 	out := make([]byte, 32)
 	_, _ = rand.New(rand.NewSource(int64(randEpoch))).Read(out) //nolint
 	return out, nil
 }
 
-func (fr *fakeRand) GetBeaconRandomnessLookingBack(ctx context.Context, personalization crypto.DomainSeparationTag, randEpoch abi.ChainEpoch, entropy []byte) ([]byte, error) {
+func (fr *fakeRand) GetBeaconRandomnessV2(ctx context.Context, personalization crypto.DomainSeparationTag, randEpoch abi.ChainEpoch, entropy []byte) ([]byte, error) {
+	out := make([]byte, 32)
+	_, _ = rand.New(rand.NewSource(int64(randEpoch))).Read(out) //nolint
+	return out, nil
+}
+
+func (fr *fakeRand) GetBeaconRandomnessV1(ctx context.Context, personalization crypto.DomainSeparationTag, randEpoch abi.ChainEpoch, entropy []byte) ([]byte, error) {
 	out := make([]byte, 32)
 	_, _ = rand.New(rand.NewSource(int64(randEpoch))).Read(out) //nolint
 	return out, nil

chain/rand/rand.go

@@ -0,0 +1,202 @@
+package rand
+
+import (
+	"context"
+	"encoding/binary"
+
+	logging "github.com/ipfs/go-log/v2"
+
+	"github.com/filecoin-project/lotus/chain/beacon"
+
+	"github.com/ipfs/go-cid"
+	"github.com/minio/blake2b-simd"
+	"go.opencensus.io/trace"
+	"golang.org/x/xerrors"
+
+	"github.com/filecoin-project/go-state-types/abi"
+	"github.com/filecoin-project/go-state-types/crypto"
+	"github.com/filecoin-project/lotus/chain/store"
+	"github.com/filecoin-project/lotus/chain/types"
+	"github.com/filecoin-project/lotus/chain/vm"
+)
+
+var log = logging.Logger("rand")
+
+func DrawRandomness(rbase []byte, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte) ([]byte, error) {
+	h := blake2b.New256()
+	if err := binary.Write(h, binary.BigEndian, int64(pers)); err != nil {
+		return nil, xerrors.Errorf("deriving randomness: %w", err)
+	}
+	VRFDigest := blake2b.Sum256(rbase)
+	_, err := h.Write(VRFDigest[:])
+	if err != nil {
+		return nil, xerrors.Errorf("hashing VRFDigest: %w", err)
+	}
+	if err := binary.Write(h, binary.BigEndian, round); err != nil {
+		return nil, xerrors.Errorf("deriving randomness: %w", err)
+	}
+	_, err = h.Write(entropy)
+	if err != nil {
+		return nil, xerrors.Errorf("hashing entropy: %w", err)
+	}
+
+	return h.Sum(nil), nil
+}
+
+func (sr *stateRand) GetBeaconRandomnessTipset(ctx context.Context, round abi.ChainEpoch, lookback bool) (*types.TipSet, error) {
+	_, span := trace.StartSpan(ctx, "store.GetBeaconRandomness")
+	defer span.End()
+	span.AddAttributes(trace.Int64Attribute("round", int64(round)))
+
+	ts, err := sr.cs.LoadTipSet(types.NewTipSetKey(sr.blks...))
+	if err != nil {
+		return nil, err
+	}
+
+	if round > ts.Height() {
+		return nil, xerrors.Errorf("cannot draw randomness from the future")
+	}
+
+	searchHeight := round
+	if searchHeight < 0 {
+		searchHeight = 0
+	}
+
+	randTs, err := sr.cs.GetTipsetByHeight(ctx, searchHeight, ts, lookback)
+	if err != nil {
+		return nil, err
+	}
+
+	return randTs, nil
+}
+
+func (sr *stateRand) GetChainRandomness(ctx context.Context, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte, lookback bool) ([]byte, error) {
+	_, span := trace.StartSpan(ctx, "store.GetChainRandomness")
+	defer span.End()
+	span.AddAttributes(trace.Int64Attribute("round", int64(round)))
+
+	ts, err := sr.cs.LoadTipSet(types.NewTipSetKey(sr.blks...))
+	if err != nil {
+		return nil, err
+	}
+
+	if round > ts.Height() {
+		return nil, xerrors.Errorf("cannot draw randomness from the future")
+	}
+
+	searchHeight := round
+	if searchHeight < 0 {
+		searchHeight = 0
+	}
+
+	randTs, err := sr.cs.GetTipsetByHeight(ctx, searchHeight, ts, lookback)
+	if err != nil {
+		return nil, err
+	}
+
+	mtb := randTs.MinTicketBlock()
+
+	// if at (or just past -- for null epochs) appropriate epoch
+	// or at genesis (works for negative epochs)
+	return DrawRandomness(mtb.Ticket.VRFProof, pers, round, entropy)
+}
+
+type stateRand struct {
+	cs     *store.ChainStore
+	blks   []cid.Cid
+	beacon beacon.Schedule
+}
+
+func NewStateRand(cs *store.ChainStore, blks []cid.Cid, b beacon.Schedule) vm.Rand {
+	return &stateRand{
+		cs:     cs,
+		blks:   blks,
+		beacon: b,
+	}
+}
+
+// network v0-12
+func (sr *stateRand) GetChainRandomnessV1(ctx context.Context, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte) ([]byte, error) {
+	return sr.GetChainRandomness(ctx, pers, round, entropy, true)
+}
+
+// network v13 and on
+func (sr *stateRand) GetChainRandomnessV2(ctx context.Context, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte) ([]byte, error) {
+	return sr.GetChainRandomness(ctx, pers, round, entropy, false)
+}
+
+// network v0-12
+func (sr *stateRand) GetBeaconRandomnessV1(ctx context.Context, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte) ([]byte, error) {
+	randTs, err := sr.GetBeaconRandomnessTipset(ctx, round, true)
+	if err != nil {
+		return nil, err
+	}
+
+	be, err := sr.cs.GetLatestBeaconEntry(randTs)
+	if err != nil {
+		return nil, err
+	}
+
+	// if at (or just past -- for null epochs) appropriate epoch
+	// or at genesis (works for negative epochs)
+	return DrawRandomness(be.Data, pers, round, entropy)
+}
+
+// network v13
+func (sr *stateRand) GetBeaconRandomnessV2(ctx context.Context, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte) ([]byte, error) {
+	randTs, err := sr.GetBeaconRandomnessTipset(ctx, round, false)
+	if err != nil {
+		return nil, err
+	}
+
+	be, err := sr.cs.GetLatestBeaconEntry(randTs)
+	if err != nil {
+		return nil, err
+	}
+
+	// if at (or just past -- for null epochs) appropriate epoch
+	// or at genesis (works for negative epochs)
+	return DrawRandomness(be.Data, pers, round, entropy)
+}
+
+// network v14 and on
+func (sr *stateRand) GetBeaconRandomnessV3(ctx context.Context, pers crypto.DomainSeparationTag, filecoinEpoch abi.ChainEpoch, entropy []byte) ([]byte, error) {
+	if filecoinEpoch < 0 {
+		return sr.GetBeaconRandomnessV2(ctx, pers, filecoinEpoch, entropy)
+	}
+
+	be, err := sr.extractBeaconEntryForEpoch(ctx, filecoinEpoch)
+	if err != nil {
+		log.Errorf("failed to get beacon entry as expected: %w", err)
+		return nil, err
+	}
+
+	return DrawRandomness(be.Data, pers, filecoinEpoch, entropy)
+}
+
+func (sr *stateRand) extractBeaconEntryForEpoch(ctx context.Context, filecoinEpoch abi.ChainEpoch) (*types.BeaconEntry, error) {
+	randTs, err := sr.GetBeaconRandomnessTipset(ctx, filecoinEpoch, false)
+	if err != nil {
+		return nil, err
+	}
+
+	round := sr.beacon.BeaconForEpoch(filecoinEpoch).MaxBeaconRoundForEpoch(filecoinEpoch)
+
+	for i := 0; i < 20; i++ {
+		cbe := randTs.Blocks()[0].BeaconEntries
+		for _, v := range cbe {
+			if v.Round == round {
+				return &v, nil
+			}
+		}
+
+		next, err := sr.cs.LoadTipSet(randTs.Parents())
+		if err != nil {
+			return nil, xerrors.Errorf("failed to load parents when searching back for beacon entry: %w", err)
+		}
+
+		randTs = next
+	}
+
+	return nil, xerrors.Errorf("didn't find beacon for round %d (epoch %d)", round, filecoinEpoch)
+}

chain/rand/rand_test.go

@@ -0,0 +1,238 @@
+package rand_test
+
+import (
+	"context"
+	"testing"
+
+	"github.com/filecoin-project/go-state-types/network"
+	"github.com/filecoin-project/lotus/chain/consensus/filcns"
+	"github.com/filecoin-project/lotus/chain/stmgr"
+
+	"github.com/filecoin-project/lotus/chain/rand"
+
+	"github.com/stretchr/testify/require"
+
+	"github.com/filecoin-project/go-state-types/crypto"
+
+	"github.com/filecoin-project/go-state-types/abi"
+
+	"github.com/filecoin-project/lotus/chain/actors/policy"
+	"github.com/filecoin-project/lotus/chain/gen"
+)
+
+func init() {
+	policy.SetSupportedProofTypes(abi.RegisteredSealProof_StackedDrg2KiBV1)
+	policy.SetConsensusMinerMinPower(abi.NewStoragePower(2048))
+	policy.SetMinVerifiedDealSize(abi.NewStoragePower(256))
+}
+
+// in v12 and before, if the tipset corresponding to round X is null, we fetch the latest beacon entry BEFORE X that's in a non-null ts
+func TestNullRandomnessV1(t *testing.T) {
+	ctx := context.Background()
+	cg, err := gen.NewGenerator()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	for i := 0; i < 10; i++ {
+		_, err := cg.NextTipSet()
+		if err != nil {
+			t.Fatal(err)
+		}
+	}
+
+	offset := cg.CurTipset.Blocks[0].Header.BeaconEntries[len(cg.CurTipset.Blocks[0].Header.BeaconEntries)-1].Round - uint64(cg.CurTipset.TipSet().Height())
+	beforeNullHeight := cg.CurTipset.TipSet().Height()
+
+	ts, err := cg.NextTipSetWithNulls(5)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	entropy := []byte{0, 2, 3, 4}
+	// arbitrarily chosen
+	pers := crypto.DomainSeparationTag_WinningPoStChallengeSeed
+
+	randEpoch := ts.TipSet.TipSet().Height() - 2
+
+	rand1, err := cg.StateManager().GetRandomnessFromBeacon(ctx, pers, randEpoch, entropy, ts.TipSet.TipSet().Key())
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	bch := cg.BeaconSchedule().BeaconForEpoch(randEpoch).Entry(ctx, uint64(beforeNullHeight)+offset)
+
+	select {
+	case resp := <-bch:
+		if resp.Err != nil {
+			t.Fatal(resp.Err)
+		}
+
+		rand2, err := rand.DrawRandomness(resp.Entry.Data, pers, randEpoch, entropy)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		require.Equal(t, rand1, abi.Randomness(rand2))
+
+	case <-ctx.Done():
+		t.Fatal("timed out")
+	}
+}
+
+// at v13, if the tipset corresponding to round X is null, we fetch the latest beacon in the first non-null ts after X
+func TestNullRandomnessV2(t *testing.T) {
+	ctx := context.Background()
+
+	sched := stmgr.UpgradeSchedule{
+		{
+			// prepare for upgrade.
+			Network:   network.Version9,
+			Height:    1,
+			Migration: filcns.UpgradeActorsV2,
+		}, {
+			Network:   network.Version10,
+			Height:    2,
+			Migration: filcns.UpgradeActorsV3,
+		}, {
+			Network:   network.Version12,
+			Height:    3,
+			Migration: filcns.UpgradeActorsV4,
+		}, {
+			Network:   network.Version13,
+			Height:    4,
+			Migration: filcns.UpgradeActorsV5,
+		},
+	}
+
+	cg, err := gen.NewGeneratorWithUpgradeSchedule(sched)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	for i := 0; i < 10; i++ {
+		_, err := cg.NextTipSet()
+		if err != nil {
+			t.Fatal(err)
+		}
+
+	}
+
+	offset := cg.CurTipset.Blocks[0].Header.BeaconEntries[len(cg.CurTipset.Blocks[0].Header.BeaconEntries)-1].Round - uint64(cg.CurTipset.TipSet().Height())
+
+	ts, err := cg.NextTipSetWithNulls(5)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	entropy := []byte{0, 2, 3, 4}
+	// arbitrarily chosen
+	pers := crypto.DomainSeparationTag_WinningPoStChallengeSeed
+
+	randEpoch := ts.TipSet.TipSet().Height() - 2
+
+	rand1, err := cg.StateManager().GetRandomnessFromBeacon(ctx, pers, randEpoch, entropy, ts.TipSet.TipSet().Key())
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	bch := cg.BeaconSchedule().BeaconForEpoch(randEpoch).Entry(ctx, uint64(ts.TipSet.TipSet().Height())+offset)
+
+	select {
+	case resp := <-bch:
+		if resp.Err != nil {
+			t.Fatal(resp.Err)
+		}
+
+		// note that the randEpoch passed to DrawRandomness is still randEpoch (not the latest ts height)
+		rand2, err := rand.DrawRandomness(resp.Entry.Data, pers, randEpoch, entropy)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		require.Equal(t, rand1, abi.Randomness(rand2))
+
+	case <-ctx.Done():
+		t.Fatal("timed out")
+	}
+}
+
+// after v14, if the tipset corresponding to round X is null, we still fetch the randomness for X (from the next non-null tipset)
+func TestNullRandomnessV3(t *testing.T) {
+	ctx := context.Background()
+	sched := stmgr.UpgradeSchedule{
+		{
+			// prepare for upgrade.
+			Network:   network.Version9,
+			Height:    1,
+			Migration: filcns.UpgradeActorsV2,
+		}, {
+			Network:   network.Version10,
+			Height:    2,
+			Migration: filcns.UpgradeActorsV3,
+		}, {
+			Network:   network.Version12,
+			Height:    3,
+			Migration: filcns.UpgradeActorsV4,
+		}, {
+			Network:   network.Version13,
+			Height:    4,
+			Migration: filcns.UpgradeActorsV5,
+		}, {
+			Network:   network.Version14,
+			Height:    5,
+			Migration: filcns.UpgradeActorsV6,
+		},
+	}
+
+	cg, err := gen.NewGeneratorWithUpgradeSchedule(sched)
+
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	for i := 0; i < 10; i++ {
+		_, err := cg.NextTipSet()
+		if err != nil {
+			t.Fatal(err)
+		}
+
+	}
+
+	ts, err := cg.NextTipSetWithNulls(5)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	offset := cg.CurTipset.Blocks[0].Header.BeaconEntries[len(cg.CurTipset.Blocks[0].Header.BeaconEntries)-1].Round - uint64(cg.CurTipset.TipSet().Height())
+
+	entropy := []byte{0, 2, 3, 4}
+	// arbitrarily chosen
+	pers := crypto.DomainSeparationTag_WinningPoStChallengeSeed
+
+	randEpoch := ts.TipSet.TipSet().Height() - 2
+
+	rand1, err := cg.StateManager().GetRandomnessFromBeacon(ctx, pers, randEpoch, entropy, ts.TipSet.TipSet().Key())
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	bch := cg.BeaconSchedule().BeaconForEpoch(randEpoch).Entry(ctx, uint64(randEpoch)+offset)
+
+	select {
+	case resp := <-bch:
+		if resp.Err != nil {
+			t.Fatal(resp.Err)
+		}
+
+		rand2, err := rand.DrawRandomness(resp.Entry.Data, pers, randEpoch, entropy)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		require.Equal(t, rand1, abi.Randomness(rand2))
+
+	case <-ctx.Done():
+		t.Fatal("timed out")
+	}
+}

chain/state/statetree.go

@@ -152,7 +152,7 @@ func VersionForNetwork(ver network.Version) (types.StateTreeVersion, error) {
 		return types.StateTreeVersion2, nil
 	case network.Version12:
 		return types.StateTreeVersion3, nil
-	case network.Version13:
+	case network.Version13, network.Version14:
 		return types.StateTreeVersion4, nil
 	default:
 		panic(fmt.Sprintf("unsupported network version %d", ver))

chain/stmgr/actors.go

@@ -5,6 +5,8 @@ import (
 	"context"
 	"os"
 
+	"github.com/filecoin-project/lotus/chain/rand"
+
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-bitfield"
 	"github.com/filecoin-project/go-state-types/abi"
@@ -21,7 +23,6 @@ import (
 	"github.com/filecoin-project/lotus/chain/actors/builtin/paych"
 	"github.com/filecoin-project/lotus/chain/actors/builtin/power"
 	"github.com/filecoin-project/lotus/chain/beacon"
-	"github.com/filecoin-project/lotus/chain/store"
 	"github.com/filecoin-project/lotus/chain/types"
 	"github.com/filecoin-project/lotus/chain/vm"
 	"github.com/filecoin-project/lotus/extern/sector-storage/ffiwrapper"
@@ -351,7 +352,7 @@ func MinerGetBaseInfo(ctx context.Context, sm *StateManager, bcs beacon.Schedule
 		return nil, xerrors.Errorf("failed to marshal miner address: %w", err)
 	}
 
-	prand, err := store.DrawRandomness(rbase.Data, crypto.DomainSeparationTag_WinningPoStChallengeSeed, round, buf.Bytes())
+	prand, err := rand.DrawRandomness(rbase.Data, crypto.DomainSeparationTag_WinningPoStChallengeSeed, round, buf.Bytes())
 	if err != nil {
 		return nil, xerrors.Errorf("failed to get randomness for winning post: %w", err)
 	}

chain/stmgr/call.go

@@ -5,6 +5,8 @@ import (
 	"errors"
 	"fmt"
 
+	"github.com/filecoin-project/lotus/chain/rand"
+
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
 	"github.com/filecoin-project/go-state-types/crypto"
@@ -14,7 +16,6 @@ import (
 
 	"github.com/filecoin-project/lotus/api"
 	"github.com/filecoin-project/lotus/build"
-	"github.com/filecoin-project/lotus/chain/store"
 	"github.com/filecoin-project/lotus/chain/types"
 	"github.com/filecoin-project/lotus/chain/vm"
 )
@@ -74,7 +75,7 @@ func (sm *StateManager) Call(ctx context.Context, msg *types.Message, ts *types.
 	vmopt := &vm.VMOpts{
 		StateBase:      bstate,
 		Epoch:          pheight + 1,
-		Rand:           store.NewChainRand(sm.cs, ts.Cids()),
+		Rand:           rand.NewStateRand(sm.cs, ts.Cids(), sm.beacon),
 		Bstore:         sm.cs.StateBlockstore(),
 		Actors:         sm.tsExec.NewActorRegistry(),
 		Syscalls:       sm.Syscalls,
@@ -185,7 +186,7 @@ func (sm *StateManager) CallWithGas(ctx context.Context, msg *types.Message, pri
 		return nil, fmt.Errorf("failed to handle fork: %w", err)
 	}
 
-	r := store.NewChainRand(sm.cs, ts.Cids())
+	r := rand.NewStateRand(sm.cs, ts.Cids(), sm.beacon)
 
 	if span.IsRecordingEvents() {
 		span.AddAttributes(

chain/stmgr/forks_test.go

@@ -158,7 +158,7 @@ func TestForkHeightTriggers(t *testing.T) {
 				}
 
 				return st.Flush(ctx)
-			}}})
+			}}}, cg.BeaconSchedule())
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -273,7 +273,7 @@ func testForkRefuseCall(t *testing.T, nullsBefore, nullsAfter int) {
 				root cid.Cid, height abi.ChainEpoch, ts *types.TipSet) (cid.Cid, error) {
 				migrationCount++
 				return root, nil
-			}}})
+			}}}, cg.BeaconSchedule())
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -488,7 +488,7 @@ func TestForkPreMigration(t *testing.T) {
 					return nil
 				},
 			}}},
-		})
+		}, cg.BeaconSchedule())
 	if err != nil {
 		t.Fatal(err)
 	}

chain/stmgr/stmgr.go

@@ -4,6 +4,10 @@ import (
 	"context"
 	"sync"
 
+	"github.com/filecoin-project/lotus/chain/rand"
+
+	"github.com/filecoin-project/lotus/chain/beacon"
+
 	"github.com/ipfs/go-cid"
 	cbor "github.com/ipfs/go-ipld-cbor"
 	logging "github.com/ipfs/go-log/v2"
@@ -11,6 +15,7 @@ import (
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	"github.com/filecoin-project/go-state-types/crypto"
 	"github.com/filecoin-project/go-state-types/network"
 
 	// Used for genesis.
@@ -89,6 +94,7 @@ type StateManager struct {
 
 	tsExec        Executor
 	tsExecMonitor ExecMonitor
+	beacon        beacon.Schedule
 }
 
 // Caches a single state tree
@@ -97,7 +103,7 @@ type treeCache struct {
 	tree *state.StateTree
 }
 
-func NewStateManager(cs *store.ChainStore, exec Executor, sys vm.SyscallBuilder, us UpgradeSchedule) (*StateManager, error) {
+func NewStateManager(cs *store.ChainStore, exec Executor, sys vm.SyscallBuilder, us UpgradeSchedule, beacon beacon.Schedule) (*StateManager, error) {
 	// If we have upgrades, make sure they're in-order and make sense.
 	if err := us.Validate(); err != nil {
 		return nil, err
@@ -106,7 +112,7 @@ func NewStateManager(cs *store.ChainStore, exec Executor, sys vm.SyscallBuilder,
 	stateMigrations := make(map[abi.ChainEpoch]*migration, len(us))
 	expensiveUpgrades := make(map[abi.ChainEpoch]struct{}, len(us))
 	var networkVersions []versionSpec
-	lastVersion := network.Version0
+	lastVersion := build.GenesisNetworkVersion
 	if len(us) > 0 {
 		// If we have any upgrades, process them and create a version
 		// schedule.
@@ -143,6 +149,7 @@ func NewStateManager(cs *store.ChainStore, exec Executor, sys vm.SyscallBuilder,
 		cs:                cs,
 		tsExec:            exec,
 		stCache:           make(map[string][]cid.Cid),
+		beacon:            beacon,
 		tCache: treeCache{
 			root: cid.Undef,
 			tree: nil,
@@ -151,8 +158,8 @@ func NewStateManager(cs *store.ChainStore, exec Executor, sys vm.SyscallBuilder,
 	}, nil
 }
 
-func NewStateManagerWithUpgradeScheduleAndMonitor(cs *store.ChainStore, exec Executor, sys vm.SyscallBuilder, us UpgradeSchedule, em ExecMonitor) (*StateManager, error) {
+func NewStateManagerWithUpgradeScheduleAndMonitor(cs *store.ChainStore, exec Executor, sys vm.SyscallBuilder, us UpgradeSchedule, b beacon.Schedule, em ExecMonitor) (*StateManager, error) {
-	sm, err := NewStateManager(cs, exec, sys, us)
+	sm, err := NewStateManager(cs, exec, sys, us, b)
 	if err != nil {
 		return nil, err
 	}
@@ -199,6 +206,10 @@ func (sm *StateManager) ChainStore() *store.ChainStore {
 	return sm.cs
 }
 
+func (sm *StateManager) Beacon() beacon.Schedule {
+	return sm.beacon
+}
+
 // ResolveToKeyAddress is similar to `vm.ResolveToKeyAddr` but does not allow `Actor` type of addresses.
 // Uses the `TipSet` `ts` to generate the VM state.
 func (sm *StateManager) ResolveToKeyAddress(ctx context.Context, addr address.Address, ts *types.TipSet) (address.Address, error) {
@@ -362,3 +373,38 @@ func (sm *StateManager) GetNtwkVersion(ctx context.Context, height abi.ChainEpoc
 func (sm *StateManager) VMSys() vm.SyscallBuilder {
 	return sm.Syscalls
 }
+
+func (sm *StateManager) GetRandomnessFromBeacon(ctx context.Context, personalization crypto.DomainSeparationTag, randEpoch abi.ChainEpoch, entropy []byte, tsk types.TipSetKey) (abi.Randomness, error) {
+	pts, err := sm.ChainStore().GetTipSetFromKey(tsk)
+	if err != nil {
+		return nil, xerrors.Errorf("loading tipset %s: %w", tsk, err)
+	}
+
+	r := rand.NewStateRand(sm.ChainStore(), pts.Cids(), sm.beacon)
+	rnv := sm.GetNtwkVersion(ctx, randEpoch)
+
+	if rnv >= network.Version14 {
+		return r.GetBeaconRandomnessV3(ctx, personalization, randEpoch, entropy)
+	} else if rnv == network.Version13 {
+		return r.GetBeaconRandomnessV2(ctx, personalization, randEpoch, entropy)
+	}
+
+	return r.GetBeaconRandomnessV1(ctx, personalization, randEpoch, entropy)
+
+}
+
+func (sm *StateManager) GetRandomnessFromTickets(ctx context.Context, personalization crypto.DomainSeparationTag, randEpoch abi.ChainEpoch, entropy []byte, tsk types.TipSetKey) (abi.Randomness, error) {
+	pts, err := sm.ChainStore().LoadTipSet(tsk)
+	if err != nil {
+		return nil, xerrors.Errorf("loading tipset key: %w", err)
+	}
+
+	r := rand.NewStateRand(sm.ChainStore(), pts.Cids(), sm.beacon)
+	rnv := sm.GetNtwkVersion(ctx, randEpoch)
+
+	if rnv >= network.Version13 {
+		return r.GetChainRandomnessV2(ctx, personalization, randEpoch, entropy)
+	}
+
+	return r.GetChainRandomnessV1(ctx, personalization, randEpoch, entropy)
+}

chain/stmgr/utils.go

@@ -5,6 +5,8 @@ import (
 	"fmt"
 	"reflect"
 
+	"github.com/filecoin-project/lotus/chain/rand"
+
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
 	"golang.org/x/xerrors"
@@ -77,7 +79,7 @@ func ComputeState(ctx context.Context, sm *StateManager, height abi.ChainEpoch,
 		// future. It's not guaranteed to be accurate... but that's fine.
 	}
 
-	r := store.NewChainRand(sm.cs, ts.Cids())
+	r := rand.NewStateRand(sm.cs, ts.Cids(), sm.beacon)
 	vmopt := &vm.VMOpts{
 		StateBase:      base,
 		Epoch:          height,

chain/store/rand.go

@@ -1,182 +0,0 @@
-package store
-
-import (
-	"context"
-	"encoding/binary"
-	"os"
-
-	"github.com/ipfs/go-cid"
-	"github.com/minio/blake2b-simd"
-	"go.opencensus.io/trace"
-	"golang.org/x/xerrors"
-
-	"github.com/filecoin-project/go-state-types/abi"
-	"github.com/filecoin-project/go-state-types/crypto"
-	"github.com/filecoin-project/lotus/chain/types"
-	"github.com/filecoin-project/lotus/chain/vm"
-)
-
-func DrawRandomness(rbase []byte, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte) ([]byte, error) {
-	h := blake2b.New256()
-	if err := binary.Write(h, binary.BigEndian, int64(pers)); err != nil {
-		return nil, xerrors.Errorf("deriving randomness: %w", err)
-	}
-	VRFDigest := blake2b.Sum256(rbase)
-	_, err := h.Write(VRFDigest[:])
-	if err != nil {
-		return nil, xerrors.Errorf("hashing VRFDigest: %w", err)
-	}
-	if err := binary.Write(h, binary.BigEndian, round); err != nil {
-		return nil, xerrors.Errorf("deriving randomness: %w", err)
-	}
-	_, err = h.Write(entropy)
-	if err != nil {
-		return nil, xerrors.Errorf("hashing entropy: %w", err)
-	}
-
-	return h.Sum(nil), nil
-}
-
-func (cs *ChainStore) GetBeaconRandomnessLookingBack(ctx context.Context, blks []cid.Cid, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte) ([]byte, error) {
-	return cs.GetBeaconRandomness(ctx, blks, pers, round, entropy, true)
-}
-
-func (cs *ChainStore) GetBeaconRandomnessLookingForward(ctx context.Context, blks []cid.Cid, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte) ([]byte, error) {
-	return cs.GetBeaconRandomness(ctx, blks, pers, round, entropy, false)
-}
-
-func (cs *ChainStore) GetBeaconRandomness(ctx context.Context, blks []cid.Cid, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte, lookback bool) ([]byte, error) {
-	_, span := trace.StartSpan(ctx, "store.GetBeaconRandomness")
-	defer span.End()
-	span.AddAttributes(trace.Int64Attribute("round", int64(round)))
-
-	ts, err := cs.LoadTipSet(types.NewTipSetKey(blks...))
-	if err != nil {
-		return nil, err
-	}
-
-	if round > ts.Height() {
-		return nil, xerrors.Errorf("cannot draw randomness from the future")
-	}
-
-	searchHeight := round
-	if searchHeight < 0 {
-		searchHeight = 0
-	}
-
-	randTs, err := cs.GetTipsetByHeight(ctx, searchHeight, ts, lookback)
-	if err != nil {
-		return nil, err
-	}
-
-	be, err := cs.GetLatestBeaconEntry(randTs)
-	if err != nil {
-		return nil, err
-	}
-
-	// if at (or just past -- for null epochs) appropriate epoch
-	// or at genesis (works for negative epochs)
-	return DrawRandomness(be.Data, pers, round, entropy)
-}
-
-func (cs *ChainStore) GetChainRandomnessLookingBack(ctx context.Context, blks []cid.Cid, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte) ([]byte, error) {
-	return cs.GetChainRandomness(ctx, blks, pers, round, entropy, true)
-}
-
-func (cs *ChainStore) GetChainRandomnessLookingForward(ctx context.Context, blks []cid.Cid, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte) ([]byte, error) {
-	return cs.GetChainRandomness(ctx, blks, pers, round, entropy, false)
-}
-
-func (cs *ChainStore) GetChainRandomness(ctx context.Context, blks []cid.Cid, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte, lookback bool) ([]byte, error) {
-	_, span := trace.StartSpan(ctx, "store.GetChainRandomness")
-	defer span.End()
-	span.AddAttributes(trace.Int64Attribute("round", int64(round)))
-
-	ts, err := cs.LoadTipSet(types.NewTipSetKey(blks...))
-	if err != nil {
-		return nil, err
-	}
-
-	if round > ts.Height() {
-		return nil, xerrors.Errorf("cannot draw randomness from the future")
-	}
-
-	searchHeight := round
-	if searchHeight < 0 {
-		searchHeight = 0
-	}
-
-	randTs, err := cs.GetTipsetByHeight(ctx, searchHeight, ts, lookback)
-	if err != nil {
-		return nil, err
-	}
-
-	mtb := randTs.MinTicketBlock()
-
-	// if at (or just past -- for null epochs) appropriate epoch
-	// or at genesis (works for negative epochs)
-	return DrawRandomness(mtb.Ticket.VRFProof, pers, round, entropy)
-}
-
-func (cs *ChainStore) GetLatestBeaconEntry(ts *types.TipSet) (*types.BeaconEntry, error) {
-	cur := ts
-	for i := 0; i < 20; i++ {
-		cbe := cur.Blocks()[0].BeaconEntries
-		if len(cbe) > 0 {
-			return &cbe[len(cbe)-1], nil
-		}
-
-		if cur.Height() == 0 {
-			return nil, xerrors.Errorf("made it back to genesis block without finding beacon entry")
-		}
-
-		next, err := cs.LoadTipSet(cur.Parents())
-		if err != nil {
-			return nil, xerrors.Errorf("failed to load parents when searching back for latest beacon entry: %w", err)
-		}
-		cur = next
-	}
-
-	if os.Getenv("LOTUS_IGNORE_DRAND") == "_yes_" {
-		return &types.BeaconEntry{
-			Data: []byte{9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9},
-		}, nil
-	}
-
-	return nil, xerrors.Errorf("found NO beacon entries in the 20 latest tipsets")
-}
-
-type chainRand struct {
-	cs   *ChainStore
-	blks []cid.Cid
-}
-
-func NewChainRand(cs *ChainStore, blks []cid.Cid) vm.Rand {
-	return &chainRand{
-		cs:   cs,
-		blks: blks,
-	}
-}
-
-func (cr *chainRand) GetChainRandomnessLookingBack(ctx context.Context, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte) ([]byte, error) {
-	return cr.cs.GetChainRandomnessLookingBack(ctx, cr.blks, pers, round, entropy)
-}
-
-func (cr *chainRand) GetChainRandomnessLookingForward(ctx context.Context, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte) ([]byte, error) {
-	return cr.cs.GetChainRandomnessLookingForward(ctx, cr.blks, pers, round, entropy)
-}
-
-func (cr *chainRand) GetBeaconRandomnessLookingBack(ctx context.Context, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte) ([]byte, error) {
-	return cr.cs.GetBeaconRandomnessLookingBack(ctx, cr.blks, pers, round, entropy)
-}
-
-func (cr *chainRand) GetBeaconRandomnessLookingForward(ctx context.Context, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte) ([]byte, error) {
-	return cr.cs.GetBeaconRandomnessLookingForward(ctx, cr.blks, pers, round, entropy)
-}
-
-func (cs *ChainStore) GetTipSetFromKey(tsk types.TipSetKey) (*types.TipSet, error) {
-	if tsk.IsEmpty() {
-		return cs.GetHeaviestTipSet(), nil
-	}
-	return cs.LoadTipSet(tsk)
-}

chain/store/store.go

@@ -424,7 +424,13 @@ func (cs *ChainStore) MaybeTakeHeavierTipSet(ctx context.Context, ts *types.TipS
 		return err
 	}
 
-	if w.GreaterThan(heaviestW) {
+	heavier := w.GreaterThan(heaviestW)
+	if w.Equals(heaviestW) && !ts.Equals(cs.heaviest) {
+		log.Errorw("weight draw", "currTs", cs.heaviest, "ts", ts)
+		heavier = breakWeightTie(ts, cs.heaviest)
+	}
+
+	if heavier {
 		// TODO: don't do this for initial sync. Now that we don't have a
 		// difference between 'bootstrap sync' and 'caught up' sync, we need
 		// some other heuristic.
@@ -438,9 +444,8 @@ func (cs *ChainStore) MaybeTakeHeavierTipSet(ctx context.Context, ts *types.TipS
 		}
 
 		return cs.takeHeaviestTipSet(ctx, ts)
-	} else if w.Equals(heaviestW) && !ts.Equals(cs.heaviest) {
-		log.Errorw("weight draw", "currTs", cs.heaviest, "ts", ts)
 	}
+
 	return nil
 }
 
@@ -1165,3 +1170,57 @@ func (cs *ChainStore) GetTipsetByHeight(ctx context.Context, h abi.ChainEpoch, t
 func (cs *ChainStore) Weight(ctx context.Context, hts *types.TipSet) (types.BigInt, error) { // todo remove
 	return cs.weight(ctx, cs.StateBlockstore(), hts)
 }
+
+// true if ts1 wins according to the filecoin tie-break rule
+func breakWeightTie(ts1, ts2 *types.TipSet) bool {
+	s := len(ts1.Blocks())
+	if s > len(ts2.Blocks()) {
+		s = len(ts2.Blocks())
+	}
+
+	// blocks are already sorted by ticket
+	for i := 0; i < s; i++ {
+		if ts1.Blocks()[i].Ticket.Less(ts2.Blocks()[i].Ticket) {
+			log.Infof("weight tie broken in favour of %s", ts1.Key())
+			return true
+		}
+	}
+
+	log.Infof("weight tie left unbroken, default to %s", ts2.Key())
+	return false
+}
+
+func (cs *ChainStore) GetTipSetFromKey(tsk types.TipSetKey) (*types.TipSet, error) {
+	if tsk.IsEmpty() {
+		return cs.GetHeaviestTipSet(), nil
+	}
+	return cs.LoadTipSet(tsk)
+}
+
+func (cs *ChainStore) GetLatestBeaconEntry(ts *types.TipSet) (*types.BeaconEntry, error) {
+	cur := ts
+	for i := 0; i < 20; i++ {
+		cbe := cur.Blocks()[0].BeaconEntries
+		if len(cbe) > 0 {
+			return &cbe[len(cbe)-1], nil
+		}
+
+		if cur.Height() == 0 {
+			return nil, xerrors.Errorf("made it back to genesis block without finding beacon entry")
+		}
+
+		next, err := cs.LoadTipSet(cur.Parents())
+		if err != nil {
+			return nil, xerrors.Errorf("failed to load parents when searching back for latest beacon entry: %w", err)
+		}
+		cur = next
+	}
+
+	if os.Getenv("LOTUS_IGNORE_DRAND") == "_yes_" {
+		return &types.BeaconEntry{
+			Data: []byte{9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9},
+		}, nil
+	}
+
+	return nil, xerrors.Errorf("found NO beacon entries in the 20 latest tipsets")
+}

chain/store/store_test.go

@@ -77,7 +77,7 @@ func BenchmarkGetRandomness(b *testing.B) {
 	b.ResetTimer()
 
 	for i := 0; i < b.N; i++ {
-		_, err := cs.GetChainRandomnessLookingBack(context.TODO(), last.Cids(), crypto.DomainSeparationTag_SealRandomness, 500, nil)
+		_, err := cg.StateManager().GetRandomnessFromTickets(context.TODO(), crypto.DomainSeparationTag_SealRandomness, 500, nil, last.Key())
 		if err != nil {
 			b.Fatal(err)
 		}
@@ -158,7 +158,7 @@ func TestChainExportImportFull(t *testing.T) {
 		t.Fatal("imported chain differed from exported chain")
 	}
 
-	sm, err := stmgr.NewStateManager(cs, filcns.NewTipSetExecutor(), nil, filcns.DefaultUpgradeSchedule())
+	sm, err := stmgr.NewStateManager(cs, filcns.NewTipSetExecutor(), nil, filcns.DefaultUpgradeSchedule(), cg.BeaconSchedule())
 	if err != nil {
 		t.Fatal(err)
 	}

chain/sync_test.go

@@ -7,8 +7,6 @@ import (
 	"testing"
 	"time"
 
-	"github.com/filecoin-project/go-state-types/crypto"
-
 	"github.com/filecoin-project/go-state-types/network"
 	"github.com/filecoin-project/lotus/chain/stmgr"
 
@@ -139,6 +137,10 @@ func prepSyncTestWithV5Height(t testing.TB, h int, v5height abi.ChainEpoch) *syn
 		Network:   network.Version13,
 		Height:    v5height,
 		Migration: filcns.UpgradeActorsV5,
+	}, {
+		Network:   network.Version14,
+		Height:    v5height + 10,
+		Migration: filcns.UpgradeActorsV6,
 	}}
 
 	g, err := gen.NewGeneratorWithUpgradeSchedule(sched)
@@ -1033,81 +1035,6 @@ func TestSyncCheckpointEarlierThanHead(t *testing.T) {
 	require.True(tu.t, p1Head.Equals(b.TipSet()))
 }
 
-func TestDrandNull(t *testing.T) {
-	H := 10
-	v5h := abi.ChainEpoch(50)
-	ov5h := build.UpgradeHyperdriveHeight
-	build.UpgradeHyperdriveHeight = v5h
-	tu := prepSyncTestWithV5Height(t, H, v5h)
-
-	p0 := tu.addClientNode()
-	p1 := tu.addClientNode()
-
-	tu.loadChainToNode(p0)
-	tu.loadChainToNode(p1)
-
-	entropy := []byte{0, 2, 3, 4}
-	// arbitrarily chosen
-	pers := crypto.DomainSeparationTag_WinningPoStChallengeSeed
-
-	beforeNull := tu.g.CurTipset
-	afterNull := tu.mineOnBlock(beforeNull, p0, nil, false, false, nil, 2, true)
-	nullHeight := beforeNull.TipSet().Height() + 1
-	if afterNull.TipSet().Height() == nullHeight {
-		t.Fatal("didn't inject nulls as expected")
-	}
-
-	rand, err := tu.nds[p0].StateGetRandomnessFromBeacon(tu.ctx, pers, nullHeight, entropy, afterNull.TipSet().Key())
-	require.NoError(t, err)
-
-	// calculate the expected randomness based on the beacon BEFORE the null
-	expectedBE := beforeNull.Blocks[0].Header.BeaconEntries
-	expectedRand, err := store.DrawRandomness(expectedBE[len(expectedBE)-1].Data, pers, nullHeight, entropy)
-	require.NoError(t, err)
-
-	require.Equal(t, []byte(rand), expectedRand)
-
-	// zoom zoom to past the v5 upgrade by injecting many many nulls
-	postUpgrade := tu.mineOnBlock(afterNull, p0, nil, false, false, nil, v5h, true)
-	nv, err := tu.nds[p0].StateNetworkVersion(tu.ctx, postUpgrade.TipSet().Key())
-	require.NoError(t, err)
-	if nv != network.Version13 {
-		t.Fatal("expect to be v13 by now")
-	}
-
-	afterNull = tu.mineOnBlock(postUpgrade, p0, nil, false, false, nil, 2, true)
-	nullHeight = postUpgrade.TipSet().Height() + 1
-	if afterNull.TipSet().Height() == nullHeight {
-		t.Fatal("didn't inject nulls as expected")
-	}
-
-	rand0, err := tu.nds[p0].StateGetRandomnessFromBeacon(tu.ctx, pers, nullHeight, entropy, afterNull.TipSet().Key())
-	require.NoError(t, err)
-
-	// calculate the expected randomness based on the beacon AFTER the null
-	expectedBE = afterNull.Blocks[0].Header.BeaconEntries
-	expectedRand, err = store.DrawRandomness(expectedBE[len(expectedBE)-1].Data, pers, nullHeight, entropy)
-	require.NoError(t, err)
-
-	require.Equal(t, []byte(rand0), expectedRand)
-
-	// Introduce p1 to friendly p0 who has all the blocks
-	require.NoError(t, tu.mn.LinkAll())
-	tu.connect(p0, p1)
-	tu.waitUntilNodeHasTs(p1, afterNull.TipSet().Key())
-	p1Head := tu.getHead(p1)
-
-	// Yes, p1 syncs well to p0's chain
-	require.Equal(tu.t, p1Head.Key(), afterNull.TipSet().Key())
-
-	// Yes, p1 sources the same randomness as p0
-	rand1, err := tu.nds[p1].StateGetRandomnessFromBeacon(tu.ctx, pers, nullHeight, entropy, afterNull.TipSet().Key())
-	require.NoError(t, err)
-	require.Equal(t, rand0, rand1)
-
-	build.UpgradeHyperdriveHeight = ov5h
-}
-
 func TestInvalidHeight(t *testing.T) {
 	H := 50
 	tu := prepSyncTest(t, H)

chain/types/state.go

@@ -15,7 +15,7 @@ const (
 	StateTreeVersion2
 	// StateTreeVersion3 corresponds to actors v4.
 	StateTreeVersion3
-	// StateTreeVersion4 corresponds to actors v5.
+	// StateTreeVersion4 corresponds to actors v5, v6.
 	StateTreeVersion4
 )
 

chain/vm/mkactor.go

@@ -19,6 +19,7 @@ import (
 	builtin3 "github.com/filecoin-project/specs-actors/v3/actors/builtin"
 	builtin4 "github.com/filecoin-project/specs-actors/v4/actors/builtin"
 	builtin5 "github.com/filecoin-project/specs-actors/v5/actors/builtin"
+	builtin6 "github.com/filecoin-project/specs-actors/v6/actors/builtin"
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/lotus/chain/actors/aerrors"
@@ -113,6 +114,8 @@ func newAccountActor(ver actors.Version) *types.Actor {
 		code = builtin4.AccountActorCodeID
 	case actors.Version5:
 		code = builtin5.AccountActorCodeID
+	case actors.Version6:
+		code = builtin6.AccountActorCodeID
 	default:
 		panic("unsupported actors version")
 	}

chain/vm/runtime.go

@@ -17,6 +17,7 @@ import (
 	rtt "github.com/filecoin-project/go-state-types/rt"
 	rt0 "github.com/filecoin-project/specs-actors/actors/runtime"
 	rt5 "github.com/filecoin-project/specs-actors/v5/actors/runtime"
+	rt6 "github.com/filecoin-project/specs-actors/v6/actors/runtime"
 	"github.com/ipfs/go-cid"
 	ipldcbor "github.com/ipfs/go-ipld-cbor"
 	"go.opencensus.io/trace"
@@ -141,6 +142,7 @@ func (rt *Runtime) StorePut(x cbor.Marshaler) cid.Cid {
 
 var _ rt0.Runtime = (*Runtime)(nil)
 var _ rt5.Runtime = (*Runtime)(nil)
+var _ rt6.Runtime = (*Runtime)(nil)
 
 func (rt *Runtime) shimCall(f func() interface{}) (rval []byte, aerr aerrors.ActorError) {
 	defer func() {
@@ -216,10 +218,11 @@ func (rt *Runtime) GetRandomnessFromTickets(personalization crypto.DomainSeparat
 	var res []byte
 
 	rnv := rt.vm.ntwkVersion(rt.ctx, randEpoch)
+
 	if rnv >= network.Version13 {
-		res, err = rt.vm.rand.GetChainRandomnessLookingForward(rt.ctx, personalization, randEpoch, entropy)
+		res, err = rt.vm.rand.GetChainRandomnessV2(rt.ctx, personalization, randEpoch, entropy)
 	} else {
-		res, err = rt.vm.rand.GetChainRandomnessLookingBack(rt.ctx, personalization, randEpoch, entropy)
+		res, err = rt.vm.rand.GetChainRandomnessV1(rt.ctx, personalization, randEpoch, entropy)
 	}
 
 	if err != nil {
@@ -233,10 +236,12 @@ func (rt *Runtime) GetRandomnessFromBeacon(personalization crypto.DomainSeparati
 	var res []byte
 
 	rnv := rt.vm.ntwkVersion(rt.ctx, randEpoch)
-	if rnv >= network.Version13 {
+	if rnv >= network.Version14 {
-		res, err = rt.vm.rand.GetBeaconRandomnessLookingForward(rt.ctx, personalization, randEpoch, entropy)
+		res, err = rt.vm.rand.GetBeaconRandomnessV3(rt.ctx, personalization, randEpoch, entropy)
+	} else if rnv == network.Version13 {
+		res, err = rt.vm.rand.GetBeaconRandomnessV2(rt.ctx, personalization, randEpoch, entropy)
 	} else {
-		res, err = rt.vm.rand.GetBeaconRandomnessLookingBack(rt.ctx, personalization, randEpoch, entropy)
+		res, err = rt.vm.rand.GetBeaconRandomnessV1(rt.ctx, personalization, randEpoch, entropy)
 	}
 
 	if err != nil {

chain/vm/vm.go

@@ -256,10 +256,11 @@ func NewVM(ctx context.Context, opts *VMOpts) (*VM, error) {
 }
 
 type Rand interface {
-	GetChainRandomnessLookingBack(ctx context.Context, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte) ([]byte, error)
+	GetChainRandomnessV1(ctx context.Context, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte) ([]byte, error)
-	GetChainRandomnessLookingForward(ctx context.Context, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte) ([]byte, error)
+	GetChainRandomnessV2(ctx context.Context, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte) ([]byte, error)
-	GetBeaconRandomnessLookingBack(ctx context.Context, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte) ([]byte, error)
+	GetBeaconRandomnessV1(ctx context.Context, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte) ([]byte, error)
-	GetBeaconRandomnessLookingForward(ctx context.Context, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte) ([]byte, error)
+	GetBeaconRandomnessV2(ctx context.Context, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte) ([]byte, error)
+	GetBeaconRandomnessV3(ctx context.Context, pers crypto.DomainSeparationTag, filecoinEpoch abi.ChainEpoch, entropy []byte) ([]byte, error)
 }
 
 type ApplyRet struct {

cli/wallet.go

@@ -2,6 +2,7 @@ package cli
 
 import (
 	"bufio"
+	"bytes"
 	"encoding/hex"
 	"encoding/json"
 	"fmt"
@@ -9,6 +10,8 @@ import (
 	"os"
 	"strings"
 
+	"github.com/filecoin-project/lotus/build"
+
 	"github.com/urfave/cli/v2"
 	"golang.org/x/xerrors"
 
@@ -528,6 +531,11 @@ var walletMarketWithdraw = &cli.Command{
 			Usage:   "Market address to withdraw from (account or miner actor address, defaults to --wallet address)",
 			Aliases: []string{"a"},
 		},
+		&cli.IntFlag{
+			Name:  "confidence",
+			Usage: "number of block confirmations to wait for",
+			Value: int(build.MessageConfidence),
+		},
 	},
 	Action: func(cctx *cli.Context) error {
 		api, closer, err := GetFullNodeAPI(cctx)
@@ -614,6 +622,28 @@ var walletMarketWithdraw = &cli.Command{
 
 		fmt.Printf("WithdrawBalance message cid: %s\n", smsg)
 
+		// wait for it to get mined into a block
+		wait, err := api.StateWaitMsg(ctx, smsg, uint64(cctx.Int("confidence")))
+		if err != nil {
+			return err
+		}
+
+		// check it executed successfully
+		if wait.Receipt.ExitCode != 0 {
+			fmt.Println(cctx.App.Writer, "withdrawal failed!")
+			return err
+		}
+
+		var withdrawn abi.TokenAmount
+		if err := withdrawn.UnmarshalCBOR(bytes.NewReader(wait.Receipt.Return)); err != nil {
+			return err
+		}
+
+		fmt.Printf("Successfully withdrew %s FIL\n", withdrawn)
+		if withdrawn != amt {
+			fmt.Printf("Note that this is less than the requested amount of %s FIL\n", amt)
+		}
+
 		return nil
 	},
 }

cmd/lotus-bench/import.go

@@ -257,7 +257,8 @@ var importBenchCmd = &cli.Command{
 		cs := store.NewChainStore(bs, bs, metadataDs, filcns.Weight, nil)
 		defer cs.Close() //nolint:errcheck
 
-		stm, err := stmgr.NewStateManager(cs, filcns.NewTipSetExecutor(), vm.Syscalls(verifier), filcns.DefaultUpgradeSchedule())
+		// TODO: We need to supply the actual beacon after v14
+		stm, err := stmgr.NewStateManager(cs, filcns.NewTipSetExecutor(), vm.Syscalls(verifier), filcns.DefaultUpgradeSchedule(), nil)
 		if err != nil {
 			return err
 		}

cmd/lotus-miner/actor.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"bytes"
 	"fmt"
 	"os"
 	"strings"
@@ -207,6 +208,13 @@ var actorWithdrawCmd = &cli.Command{
 	Name:      "withdraw",
 	Usage:     "withdraw available balance",
 	ArgsUsage: "[amount (FIL)]",
+	Flags: []cli.Flag{
+		&cli.IntFlag{
+			Name:  "confidence",
+			Usage: "number of block confirmations to wait for",
+			Value: int(build.MessageConfidence),
+		},
+	},
 	Action: func(cctx *cli.Context) error {
 		nodeApi, closer, err := lcli.GetStorageMinerAPI(cctx)
 		if err != nil {
@@ -271,6 +279,28 @@ var actorWithdrawCmd = &cli.Command{
 
 		fmt.Printf("Requested rewards withdrawal in message %s\n", smsg.Cid())
 
+		// wait for it to get mined into a block
+		wait, err := api.StateWaitMsg(ctx, smsg.Cid(), uint64(cctx.Int("confidence")))
+		if err != nil {
+			return err
+		}
+
+		// check it executed successfully
+		if wait.Receipt.ExitCode != 0 {
+			fmt.Println(cctx.App.Writer, "withdrawal failed!")
+			return err
+		}
+
+		var withdrawn abi.TokenAmount
+		if err := withdrawn.UnmarshalCBOR(bytes.NewReader(wait.Receipt.Return)); err != nil {
+			return err
+		}
+
+		fmt.Printf("Successfully withdrew %s FIL\n", withdrawn)
+		if withdrawn != amount {
+			fmt.Printf("Note that this is less than the requested amount of %s FIL\n", amount)
+		}
+
 		return nil
 	},
 }

cmd/lotus-shed/actor.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"bytes"
 	"fmt"
 	"os"
 
@@ -44,6 +45,11 @@ var actorWithdrawCmd = &cli.Command{
 			Name:  "actor",
 			Usage: "specify the address of miner actor",
 		},
+		&cli.IntFlag{
+			Name:  "confidence",
+			Usage: "number of block confirmations to wait for",
+			Value: int(build.MessageConfidence),
+		},
 	},
 	Action: func(cctx *cli.Context) error {
 		var maddr address.Address
@@ -120,6 +126,28 @@ var actorWithdrawCmd = &cli.Command{
 
 		fmt.Printf("Requested rewards withdrawal in message %s\n", smsg.Cid())
 
+		// wait for it to get mined into a block
+		wait, err := nodeAPI.StateWaitMsg(ctx, smsg.Cid(), uint64(cctx.Int("confidence")))
+		if err != nil {
+			return err
+		}
+
+		// check it executed successfully
+		if wait.Receipt.ExitCode != 0 {
+			fmt.Println(cctx.App.Writer, "withdrawal failed!")
+			return err
+		}
+
+		var withdrawn abi.TokenAmount
+		if err := withdrawn.UnmarshalCBOR(bytes.NewReader(wait.Receipt.Return)); err != nil {
+			return err
+		}
+
+		fmt.Printf("Successfully withdrew %s FIL\n", withdrawn)
+		if withdrawn != amount {
+			fmt.Printf("Note that this is less than the requested amount of %s FIL\n", amount)
+		}
+
 		return nil
 	},
 }

cmd/lotus-shed/balances.go

@@ -517,7 +517,7 @@ var chainBalanceStateCmd = &cli.Command{
 		cst := cbor.NewCborStore(bs)
 		store := adt.WrapStore(ctx, cst)
 
-		sm, err := stmgr.NewStateManager(cs, filcns.NewTipSetExecutor(), vm.Syscalls(ffiwrapper.ProofVerifier), filcns.DefaultUpgradeSchedule())
+		sm, err := stmgr.NewStateManager(cs, filcns.NewTipSetExecutor(), vm.Syscalls(ffiwrapper.ProofVerifier), filcns.DefaultUpgradeSchedule(), nil)
 		if err != nil {
 			return err
 		}
@@ -741,7 +741,7 @@ var chainPledgeCmd = &cli.Command{
 		cst := cbor.NewCborStore(bs)
 		store := adt.WrapStore(ctx, cst)
 
-		sm, err := stmgr.NewStateManager(cs, filcns.NewTipSetExecutor(), vm.Syscalls(ffiwrapper.ProofVerifier), filcns.DefaultUpgradeSchedule())
+		sm, err := stmgr.NewStateManager(cs, filcns.NewTipSetExecutor(), vm.Syscalls(ffiwrapper.ProofVerifier), filcns.DefaultUpgradeSchedule(), nil)
 		if err != nil {
 			return err
 		}

cmd/lotus-shed/math.go

@@ -7,11 +7,12 @@ import (
 	"os"
 	"strings"
 
+	miner6 "github.com/filecoin-project/specs-actors/v6/actors/builtin/miner"
+
 	"github.com/urfave/cli/v2"
 	"golang.org/x/xerrors"
 
 	"github.com/filecoin-project/lotus/chain/types"
-	miner5 "github.com/filecoin-project/specs-actors/v5/actors/builtin/miner"
 )
 
 var mathCmd = &cli.Command{
@@ -19,7 +20,8 @@ var mathCmd = &cli.Command{
 	Usage: "utility commands around doing math on a list of numbers",
 	Subcommands: []*cli.Command{
 		mathSumCmd,
-		mathAggFeesCmd,
+		mathPreCommitAggFeesCmd,
+		mathProveCommitAggFeesCmd,
 	},
 }
 
@@ -105,8 +107,8 @@ var mathSumCmd = &cli.Command{
 	},
 }
 
-var mathAggFeesCmd = &cli.Command{
+var mathProveCommitAggFeesCmd = &cli.Command{
-	Name: "agg-fees",
+	Name: "agg-fees-commit",
 	Flags: []cli.Flag{
 		&cli.IntFlag{
 			Name:     "size",
@@ -117,6 +119,11 @@ var mathAggFeesCmd = &cli.Command{
 			Usage:    "baseFee aFIL",
 			Required: true,
 		},
+		&cli.StringFlag{
+			Name:     "base-fee",
+			Usage:    "baseFee aFIL",
+			Required: true,
+		},
 	},
 	Action: func(cctx *cli.Context) error {
 		as := cctx.Int("size")
@@ -126,7 +133,39 @@ var mathAggFeesCmd = &cli.Command{
 			return xerrors.Errorf("parsing basefee: %w", err)
 		}
 
-		fmt.Println(types.FIL(miner5.AggregateNetworkFee(as, bf)))
+		fmt.Println(types.FIL(miner6.AggregateProveCommitNetworkFee(as, bf)))
+
+		return nil
+	},
+}
+
+var mathPreCommitAggFeesCmd = &cli.Command{
+	Name: "agg-fees-precommit",
+	Flags: []cli.Flag{
+		&cli.IntFlag{
+			Name:     "size",
+			Required: true,
+		},
+		&cli.StringFlag{
+			Name:     "base-fee",
+			Usage:    "baseFee aFIL",
+			Required: true,
+		},
+		&cli.StringFlag{
+			Name:     "base-fee",
+			Usage:    "baseFee aFIL",
+			Required: true,
+		},
+	},
+	Action: func(cctx *cli.Context) error {
+		as := cctx.Int("size")
+
+		bf, err := types.BigFromString(cctx.String("base-fee"))
+		if err != nil {
+			return xerrors.Errorf("parsing basefee: %w", err)
+		}
+
+		fmt.Println(types.FIL(miner6.AggregatePreCommitNetworkFee(as, bf)))
 
 		return nil
 	},

cmd/lotus-sim/simulation/blockbuilder/blockbuilder.go

@@ -17,10 +17,11 @@ import (
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/chain/actors/builtin"
 	"github.com/filecoin-project/lotus/chain/actors/builtin/account"
+	lrand "github.com/filecoin-project/lotus/chain/rand"
 	"github.com/filecoin-project/lotus/chain/state"
 	"github.com/filecoin-project/lotus/chain/stmgr"
-	"github.com/filecoin-project/lotus/chain/store"
 	"github.com/filecoin-project/lotus/chain/types"
+
 	"github.com/filecoin-project/lotus/chain/vm"
 )
 
@@ -78,7 +79,7 @@ func NewBlockBuilder(ctx context.Context, logger *zap.SugaredLogger, sm *stmgr.S
 	// 1. We don't charge a fee.
 	// 2. The runtime has "fake" proof logic.
 	// 3. We don't actually save any of the results.
-	r := store.NewChainRand(sm.ChainStore(), parentTs.Cids())
+	r := lrand.NewStateRand(sm.ChainStore(), parentTs.Cids(), sm.Beacon())
 	vmopt := &vm.VMOpts{
 		StateBase:      parentState,
 		Epoch:          parentTs.Height() + 1,

cmd/lotus-sim/simulation/node.go

@@ -106,7 +106,7 @@ func (nd *Node) LoadSim(ctx context.Context, name string) (*Simulation, error) {
 	if err != nil {
 		return nil, xerrors.Errorf("failed to create upgrade schedule for simulation %s: %w", name, err)
 	}
-	sim.StateManager, err = stmgr.NewStateManager(nd.Chainstore, filcns.NewTipSetExecutor(), vm.Syscalls(mock.Verifier), us)
+	sim.StateManager, err = stmgr.NewStateManager(nd.Chainstore, filcns.NewTipSetExecutor(), vm.Syscalls(mock.Verifier), us, nil)
 	if err != nil {
 		return nil, xerrors.Errorf("failed to create state manager for simulation %s: %w", name, err)
 	}
@@ -125,7 +125,7 @@ func (nd *Node) CreateSim(ctx context.Context, name string, head *types.TipSet)
 	if err != nil {
 		return nil, err
 	}
-	sm, err := stmgr.NewStateManager(nd.Chainstore, filcns.NewTipSetExecutor(), vm.Syscalls(mock.Verifier), filcns.DefaultUpgradeSchedule())
+	sm, err := stmgr.NewStateManager(nd.Chainstore, filcns.NewTipSetExecutor(), vm.Syscalls(mock.Verifier), filcns.DefaultUpgradeSchedule(), nil)
 	if err != nil {
 		return nil, xerrors.Errorf("creating state manager: %w", err)
 	}

cmd/lotus-sim/simulation/simulation.go

@@ -201,7 +201,7 @@ func (sim *Simulation) SetUpgradeHeight(nv network.Version, epoch abi.ChainEpoch
 	if err != nil {
 		return err
 	}
-	sm, err := stmgr.NewStateManager(sim.Node.Chainstore, filcns.NewTipSetExecutor(), vm.Syscalls(mock.Verifier), newUpgradeSchedule)
+	sm, err := stmgr.NewStateManager(sim.Node.Chainstore, filcns.NewTipSetExecutor(), vm.Syscalls(mock.Verifier), newUpgradeSchedule, nil)
 	if err != nil {
 		return err
 	}

cmd/lotus-sim/simulation/stages/util.go

@@ -44,8 +44,7 @@ func sectorsFromClaim(sectorSize abi.SectorSize, c power.Claim) int64 {
 }
 
 func postChainCommitInfo(ctx context.Context, bb *blockbuilder.BlockBuilder, epoch abi.ChainEpoch) (abi.Randomness, error) {
-	cs := bb.StateManager().ChainStore()
 	ts := bb.ParentTipSet()
-	commitRand, err := cs.GetChainRandomness(ctx, ts.Cids(), crypto.DomainSeparationTag_PoStChainCommit, epoch, nil, true)
+	commitRand, err := bb.StateManager().GetRandomnessFromTickets(ctx, crypto.DomainSeparationTag_PoStChainCommit, epoch, nil, ts.Key())
 	return commitRand, err
 }

cmd/lotus/daemon.go

@@ -520,7 +520,8 @@ func ImportChain(ctx context.Context, r repo.Repo, fname string, snapshot bool)
 		return err
 	}
 
-	stm, err := stmgr.NewStateManager(cst, filcns.NewTipSetExecutor(), vm.Syscalls(ffiwrapper.ProofVerifier), filcns.DefaultUpgradeSchedule())
+	// TODO: We need to supply the actual beacon after v14
+	stm, err := stmgr.NewStateManager(cst, filcns.NewTipSetExecutor(), vm.Syscalls(ffiwrapper.ProofVerifier), filcns.DefaultUpgradeSchedule(), nil)
 	if err != nil {
 		return err
 	}

conformance/driver.go

@@ -104,7 +104,7 @@ func (d *Driver) ExecuteTipset(bs blockstore.Blockstore, ds ds.Batching, params
 
 		cs      = store.NewChainStore(bs, bs, ds, filcns.Weight, nil)
 		tse     = filcns.NewTipSetExecutor()
-		sm, err = stmgr.NewStateManager(cs, tse, syscalls, filcns.DefaultUpgradeSchedule())
+		sm, err = stmgr.NewStateManager(cs, tse, syscalls, filcns.DefaultUpgradeSchedule(), nil)
 	)
 	if err != nil {
 		return nil, err
@@ -204,7 +204,7 @@ func (d *Driver) ExecuteMessage(bs blockstore.Blockstore, params ExecuteMessageP
 
 	// dummy state manager; only to reference the GetNetworkVersion method,
 	// which does not depend on state.
-	sm, err := stmgr.NewStateManager(nil, filcns.NewTipSetExecutor(), nil, filcns.DefaultUpgradeSchedule())
+	sm, err := stmgr.NewStateManager(nil, filcns.NewTipSetExecutor(), nil, filcns.DefaultUpgradeSchedule(), nil)
 	if err != nil {
 		return nil, cid.Cid{}, err
 	}

conformance/rand_fixed.go

@@ -19,18 +19,22 @@ func NewFixedRand() vm.Rand {
 	return &fixedRand{}
 }
 
-func (r *fixedRand) GetChainRandomnessLookingForward(_ context.Context, _ crypto.DomainSeparationTag, _ abi.ChainEpoch, _ []byte) ([]byte, error) {
+func (r *fixedRand) GetChainRandomnessV1(_ context.Context, _ crypto.DomainSeparationTag, _ abi.ChainEpoch, _ []byte) ([]byte, error) {
 	return []byte("i_am_random_____i_am_random_____"), nil // 32 bytes.
 }
 
-func (r *fixedRand) GetChainRandomnessLookingBack(_ context.Context, _ crypto.DomainSeparationTag, _ abi.ChainEpoch, _ []byte) ([]byte, error) {
+func (r *fixedRand) GetChainRandomnessV2(_ context.Context, _ crypto.DomainSeparationTag, _ abi.ChainEpoch, _ []byte) ([]byte, error) {
 	return []byte("i_am_random_____i_am_random_____"), nil // 32 bytes.
 }
 
-func (r *fixedRand) GetBeaconRandomnessLookingForward(_ context.Context, _ crypto.DomainSeparationTag, _ abi.ChainEpoch, _ []byte) ([]byte, error) {
+func (r *fixedRand) GetBeaconRandomnessV3(_ context.Context, _ crypto.DomainSeparationTag, _ abi.ChainEpoch, _ []byte) ([]byte, error) {
 	return []byte("i_am_random_____i_am_random_____"), nil // 32 bytes.
 }
 
-func (r *fixedRand) GetBeaconRandomnessLookingBack(_ context.Context, _ crypto.DomainSeparationTag, _ abi.ChainEpoch, _ []byte) ([]byte, error) {
+func (r *fixedRand) GetBeaconRandomnessV1(_ context.Context, _ crypto.DomainSeparationTag, _ abi.ChainEpoch, _ []byte) ([]byte, error) {
+	return []byte("i_am_random_____i_am_random_____"), nil // 32 bytes.
+}
+
+func (r *fixedRand) GetBeaconRandomnessV2(_ context.Context, _ crypto.DomainSeparationTag, _ abi.ChainEpoch, _ []byte) ([]byte, error) {
 	return []byte("i_am_random_____i_am_random_____"), nil // 32 bytes.
 }

conformance/rand_record.go

@@ -45,11 +45,11 @@ func (r *RecordingRand) loadHead() {
 	r.head = head.Key()
 }
 
-func (r *RecordingRand) GetChainRandomnessLookingForward(ctx context.Context, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte) ([]byte, error) {
+func (r *RecordingRand) GetChainRandomnessV2(ctx context.Context, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte) ([]byte, error) {
 	return r.getChainRandomness(ctx, pers, round, entropy)
 }
 
-func (r *RecordingRand) GetChainRandomnessLookingBack(ctx context.Context, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte) ([]byte, error) {
+func (r *RecordingRand) GetChainRandomnessV1(ctx context.Context, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte) ([]byte, error) {
 	return r.getChainRandomness(ctx, pers, round, entropy)
 }
 
@@ -79,17 +79,21 @@ func (r *RecordingRand) getChainRandomness(ctx context.Context, pers crypto.Doma
 	return ret, err
 }
 
-func (r *RecordingRand) GetBeaconRandomnessLookingForward(ctx context.Context, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte) ([]byte, error) {
+func (r *RecordingRand) GetBeaconRandomnessV3(ctx context.Context, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte) ([]byte, error) {
 	return r.getBeaconRandomness(ctx, pers, round, entropy)
 }
 
-func (r *RecordingRand) GetBeaconRandomnessLookingBack(ctx context.Context, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte) ([]byte, error) {
+func (r *RecordingRand) GetBeaconRandomnessV1(ctx context.Context, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte) ([]byte, error) {
+	return r.getBeaconRandomness(ctx, pers, round, entropy)
+}
+
+func (r *RecordingRand) GetBeaconRandomnessV2(ctx context.Context, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte) ([]byte, error) {
 	return r.getBeaconRandomness(ctx, pers, round, entropy)
 }
 
 func (r *RecordingRand) getBeaconRandomness(ctx context.Context, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte) ([]byte, error) {
 	r.once.Do(r.loadHead)
-	ret, err := r.api.ChainGetRandomnessFromBeacon(ctx, r.head, pers, round, entropy)
+	ret, err := r.api.StateGetRandomnessFromBeacon(ctx, pers, round, entropy, r.head)
 	if err != nil {
 		return ret, err
 	}

conformance/rand_replay.go

@@ -43,11 +43,11 @@ func (r *ReplayingRand) match(requested schema.RandomnessRule) ([]byte, bool) {
 	return nil, false
 }
 
-func (r *ReplayingRand) GetChainRandomnessLookingForward(ctx context.Context, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte) ([]byte, error) {
+func (r *ReplayingRand) GetChainRandomnessV1(ctx context.Context, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte) ([]byte, error) {
 	return r.getChainRandomness(ctx, pers, round, entropy, false)
 }
 
-func (r *ReplayingRand) GetChainRandomnessLookingBack(ctx context.Context, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte) ([]byte, error) {
+func (r *ReplayingRand) GetChainRandomnessV2(ctx context.Context, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte) ([]byte, error) {
 	return r.getChainRandomness(ctx, pers, round, entropy, true)
 }
 
@@ -67,17 +67,21 @@ func (r *ReplayingRand) getChainRandomness(ctx context.Context, pers crypto.Doma
 	r.reporter.Logf("returning fallback chain randomness: dst=%d, epoch=%d, entropy=%x", pers, round, entropy)
 
 	if lookback {
-		return r.fallback.GetChainRandomnessLookingBack(ctx, pers, round, entropy)
+		return r.fallback.GetChainRandomnessV1(ctx, pers, round, entropy)
 	}
 
-	return r.fallback.GetChainRandomnessLookingForward(ctx, pers, round, entropy)
+	return r.fallback.GetChainRandomnessV2(ctx, pers, round, entropy)
 }
 
-func (r *ReplayingRand) GetBeaconRandomnessLookingForward(ctx context.Context, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte) ([]byte, error) {
+func (r *ReplayingRand) GetBeaconRandomnessV3(ctx context.Context, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte) ([]byte, error) {
 	return r.getBeaconRandomness(ctx, pers, round, entropy, false)
 }
 
-func (r *ReplayingRand) GetBeaconRandomnessLookingBack(ctx context.Context, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte) ([]byte, error) {
+func (r *ReplayingRand) GetBeaconRandomnessV1(ctx context.Context, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte) ([]byte, error) {
+	return r.getBeaconRandomness(ctx, pers, round, entropy, true)
+}
+
+func (r *ReplayingRand) GetBeaconRandomnessV2(ctx context.Context, pers crypto.DomainSeparationTag, round abi.ChainEpoch, entropy []byte) ([]byte, error) {
 	return r.getBeaconRandomness(ctx, pers, round, entropy, true)
 }
 
@@ -97,8 +101,8 @@ func (r *ReplayingRand) getBeaconRandomness(ctx context.Context, pers crypto.Dom
 	r.reporter.Logf("returning fallback beacon randomness: dst=%d, epoch=%d, entropy=%x", pers, round, entropy)
 
 	if lookback {
-		return r.fallback.GetBeaconRandomnessLookingBack(ctx, pers, round, entropy)
+		return r.fallback.GetBeaconRandomnessV1(ctx, pers, round, entropy)
 	}
 
-	return r.fallback.GetBeaconRandomnessLookingForward(ctx, pers, round, entropy)
+	return r.fallback.GetBeaconRandomnessV3(ctx, pers, round, entropy)
 }

documentation/en/cli-lotus-miner.md

@@ -7,7 +7,7 @@ USAGE:
    lotus-miner [global options] command [command options] [arguments...]
 
 VERSION:
-   1.11.4-dev
+   1.13.0-dev
 
 COMMANDS:
    init     Initialize a lotus miner repo
@@ -278,7 +278,8 @@ USAGE:
    lotus-miner actor withdraw [command options] [amount (FIL)]
 
 OPTIONS:
-   --help, -h  show help (default: false)
+   --confidence value  number of block confirmations to wait for (default: 5)
+   --help, -h          show help (default: false)
    
 ```
 

documentation/en/cli-lotus-worker.md

@@ -7,7 +7,7 @@ USAGE:
    lotus-worker [global options] command [command options] [arguments...]
 
 VERSION:
-   1.11.4-dev
+   1.13.0-dev
 
 COMMANDS:
    run         Start lotus worker

documentation/en/cli-lotus.md

@@ -7,7 +7,7 @@ USAGE:
    lotus [global options] command [command options] [arguments...]
 
 VERSION:
-   1.11.4-dev
+   1.13.0-dev
 
 COMMANDS:
    daemon   Start a lotus daemon process
@@ -388,6 +388,7 @@ USAGE:
 OPTIONS:
    --wallet value, -w value   Specify address to withdraw funds to, otherwise it will use the default wallet address
    --address value, -a value  Market address to withdraw from (account or miner actor address, defaults to --wallet address)
+   --confidence value         number of block confirmations to wait for (default: 5)
    --help, -h                 show help (default: false)
    
 ```

documentation/en/default-lotus-miner-config.toml

@@ -361,12 +361,19 @@
   # env var: LOTUS_SEALING_COMMITBATCHSLACK
   #CommitBatchSlack = "1h0m0s"
 
+  # network BaseFee below which to stop doing precommit batching, instead
+  # sending precommit messages to the chain individually
+  #
+  # type: types.FIL
+  # env var: LOTUS_SEALING_BATCHPRECOMMITABOVEBASEFEE
+  #BatchPreCommitAboveBaseFee = "0.00000000032 FIL"
+
   # network BaseFee below which to stop doing commit aggregation, instead
   # submitting proofs to the chain individually
   #
   # type: types.FIL
   # env var: LOTUS_SEALING_AGGREGATEABOVEBASEFEE
-  #AggregateAboveBaseFee = "0.00000000015 FIL"
+  #AggregateAboveBaseFee = "0.00000000032 FIL"
 
   # type: uint64
   # env var: LOTUS_SEALING_TERMINATEBATCHMAX

extern/storage-sealing/commit_batch.go

@@ -347,11 +347,12 @@ func (b *CommitBatcher) processBatch(cfg sealiface.Config) ([]sealiface.CommitBa
 		return []sealiface.CommitBatchRes{res}, xerrors.Errorf("getting network version: %s", err)
 	}
 
-	aggFeeRaw, err := policy.AggregateNetworkFee(nv, len(infos), bf)
+	aggFeeRaw, err := policy.AggregateProveCommitNetworkFee(nv, len(infos), bf)
 	if err != nil {
-		log.Errorf("getting aggregate network fee: %s", err)
+		log.Errorf("getting aggregate commit network fee: %s", err)
-		return []sealiface.CommitBatchRes{res}, xerrors.Errorf("getting aggregate network fee: %s", err)
+		return []sealiface.CommitBatchRes{res}, xerrors.Errorf("getting aggregate commit network fee: %s", err)
 	}
+
 	aggFee := big.Div(big.Mul(aggFeeRaw, aggFeeNum), aggFeeDen)
 
 	needFunds := big.Add(collateral, aggFee)

extern/storage-sealing/commit_batch_test.go

@@ -59,7 +59,8 @@ func TestCommitBatcher(t *testing.T) {
 			CommitBatchWait:  24 * time.Hour,
 			CommitBatchSlack: 1 * time.Hour,
 
-			AggregateAboveBaseFee: types.BigMul(types.PicoFil, types.NewInt(150)), // 0.15 nFIL
+			AggregateAboveBaseFee:      types.BigMul(types.PicoFil, types.NewInt(150)), // 0.15 nFIL
+			BatchPreCommitAboveBaseFee: types.BigMul(types.PicoFil, types.NewInt(150)), // 0.15 nFIL
 
 			TerminateBatchMin:  1,
 			TerminateBatchMax:  100,

extern/storage-sealing/currentdealinfo.go

@@ -4,6 +4,8 @@ import (
 	"bytes"
 	"context"
 
+	"github.com/filecoin-project/go-state-types/network"
+
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
 	"github.com/filecoin-project/go-state-types/exitcode"
@@ -20,6 +22,7 @@ type CurrentDealInfoAPI interface {
 	StateLookupID(context.Context, address.Address, TipSetToken) (address.Address, error)
 	StateMarketStorageDeal(context.Context, abi.DealID, TipSetToken) (*api.MarketDeal, error)
 	StateSearchMsg(context.Context, cid.Cid) (*MsgLookup, error)
+	StateNetworkVersion(ctx context.Context, tok TipSetToken) (network.Version, error)
 }
 
 type CurrentDealInfo struct {
@@ -77,27 +80,38 @@ func (mgr *CurrentDealInfoManager) dealIDFromPublishDealsMsg(ctx context.Context
 		return dealID, nil, xerrors.Errorf("looking for publish deal message %s: non-ok exit code: %s", publishCid, lookup.Receipt.ExitCode)
 	}
 
-	var retval market.PublishStorageDealsReturn
+	nv, err := mgr.CDAPI.StateNetworkVersion(ctx, lookup.TipSetTok)
-	if err := retval.UnmarshalCBOR(bytes.NewReader(lookup.Receipt.Return)); err != nil {
+	if err != nil {
-		return dealID, nil, xerrors.Errorf("looking for publish deal message %s: unmarshalling message return: %w", publishCid, err)
+		return dealID, nil, xerrors.Errorf("getting network version: %w", err)
 	}
 
+	retval, err := market.DecodePublishStorageDealsReturn(lookup.Receipt.Return, nv)
+	if err != nil {
+		return dealID, nil, xerrors.Errorf("looking for publish deal message %s: decoding message return: %w", publishCid, err)
+	}
+
+	dealIDs, err := retval.DealIDs()
+	if err != nil {
+		return dealID, nil, xerrors.Errorf("looking for publish deal message %s: getting dealIDs: %w", publishCid, err)
+	}
+
+	// TODO: Can we delete this? We're well past the point when we first introduced the proposals into sealing deal info
 	// Previously, publish deals messages contained a single deal, and the
 	// deal proposal was not included in the sealing deal info.
 	// So check if the proposal is nil and check the number of deals published
 	// in the message.
 	if proposal == nil {
-		if len(retval.IDs) > 1 {
+		if len(dealIDs) > 1 {
 			return dealID, nil, xerrors.Errorf(
 				"getting deal ID from publish deal message %s: "+
 					"no deal proposal supplied but message return value has more than one deal (%d deals)",
-				publishCid, len(retval.IDs))
+				publishCid, len(dealIDs))
 		}
 
 		// There is a single deal in this publish message and no deal proposal
 		// was supplied, so we have nothing to compare against. Just assume
-		// the deal ID is correct.
+		// the deal ID is correct and that it was valid
-		return retval.IDs[0], lookup.TipSetTok, nil
+		return dealIDs[0], lookup.TipSetTok, nil
 	}
 
 	// Get the parameters to the publish deals message
@@ -129,13 +143,22 @@ func (mgr *CurrentDealInfoManager) dealIDFromPublishDealsMsg(ctx context.Context
 		return dealID, nil, xerrors.Errorf("could not find deal in publish deals message %s", publishCid)
 	}
 
-	if dealIdx >= len(retval.IDs) {
+	if dealIdx >= len(dealIDs) {
 		return dealID, nil, xerrors.Errorf(
 			"deal index %d out of bounds of deals (len %d) in publish deals message %s",
-			dealIdx, len(retval.IDs), publishCid)
+			dealIdx, len(dealIDs), publishCid)
 	}
 
-	return retval.IDs[dealIdx], lookup.TipSetTok, nil
+	valid, err := retval.IsDealValid(uint64(dealIdx))
+	if err != nil {
+		return dealID, nil, xerrors.Errorf("determining deal validity: %w", err)
+	}
+
+	if !valid {
+		return dealID, nil, xerrors.New("deal was invalid at publication")
+	}
+
+	return dealIDs[dealIdx], lookup.TipSetTok, nil
 }
 
 func (mgr *CurrentDealInfoManager) CheckDealEquality(ctx context.Context, tok TipSetToken, p1, p2 market.DealProposal) (bool, error) {
@@ -165,6 +188,7 @@ type CurrentDealInfoTskAPI interface {
 	StateLookupID(context.Context, address.Address, types.TipSetKey) (address.Address, error)
 	StateMarketStorageDeal(context.Context, abi.DealID, types.TipSetKey) (*api.MarketDeal, error)
 	StateSearchMsg(ctx context.Context, from types.TipSetKey, msg cid.Cid, limit abi.ChainEpoch, allowReplaced bool) (*api.MsgLookup, error)
+	StateNetworkVersion(context.Context, types.TipSetKey) (network.Version, error)
 }
 
 type CurrentDealInfoAPIAdapter struct {
@@ -210,4 +234,13 @@ func (c *CurrentDealInfoAPIAdapter) StateSearchMsg(ctx context.Context, k cid.Ci
 	}, nil
 }
 
+func (c *CurrentDealInfoAPIAdapter) StateNetworkVersion(ctx context.Context, tok TipSetToken) (network.Version, error) {
+	tsk, err := types.TipSetKeyFromBytes(tok)
+	if err != nil {
+		return network.VersionMax, xerrors.Errorf("failed to unmarshal TipSetToken to TipSetKey: %w", err)
+	}
+
+	return c.CurrentDealInfoTskAPI.StateNetworkVersion(ctx, tsk)
+}
+
 var _ CurrentDealInfoAPI = (*CurrentDealInfoAPIAdapter)(nil)

extern/storage-sealing/currentdealinfo_test.go

@@ -8,6 +8,10 @@ import (
 	"testing"
 	"time"
 
+	"github.com/filecoin-project/go-state-types/network"
+
+	market0 "github.com/filecoin-project/specs-actors/actors/builtin/market"
+
 	"golang.org/x/net/context"
 	"golang.org/x/xerrors"
 
@@ -207,7 +211,7 @@ func TestGetCurrentDealInfo(t *testing.T) {
 			},
 			targetProposal: &proposal,
 			expectedDealID: zeroDealID,
-			expectedError:  xerrors.Errorf("looking for publish deal message %s: unmarshalling message return: cbor input should be of type array", dummyCid),
+			expectedError:  xerrors.Errorf("looking for publish deal message %s: decoding message return: failed to unmarshal PublishStorageDealsReturn: cbor input should be of type array", dummyCid),
 		},
 	}
 	runTestCase := func(testCase string, data testCaseData) {
@@ -305,9 +309,13 @@ func (mapi *CurrentDealInfoMockAPI) StateSearchMsg(ctx context.Context, c cid.Ci
 	return mapi.SearchMessageLookup, mapi.SearchMessageErr
 }
 
+func (mapi *CurrentDealInfoMockAPI) StateNetworkVersion(ctx context.Context, tok TipSetToken) (network.Version, error) {
+	return network.Version0, nil
+}
+
 func makePublishDealsReturnBytes(t *testing.T, dealIDs []abi.DealID) []byte {
 	buf := new(bytes.Buffer)
-	dealsReturn := market.PublishStorageDealsReturn{
+	dealsReturn := market0.PublishStorageDealsReturn{
 		IDs: dealIDs,
 	}
 	err := dealsReturn.MarshalCBOR(buf)

extern/storage-sealing/mocks/mock_precommit_batcher.go

@@ -11,6 +11,7 @@ import (
 	address "github.com/filecoin-project/go-address"
 	abi "github.com/filecoin-project/go-state-types/abi"
 	big "github.com/filecoin-project/go-state-types/big"
+	network "github.com/filecoin-project/go-state-types/network"
 	miner "github.com/filecoin-project/lotus/chain/actors/builtin/miner"
 	sealing "github.com/filecoin-project/lotus/extern/storage-sealing"
 	gomock "github.com/golang/mock/gomock"
@@ -40,6 +41,21 @@ func (m *MockPreCommitBatcherApi) EXPECT() *MockPreCommitBatcherApiMockRecorder
 	return m.recorder
 }
 
+// ChainBaseFee mocks base method.
+func (m *MockPreCommitBatcherApi) ChainBaseFee(arg0 context.Context, arg1 sealing.TipSetToken) (big.Int, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "ChainBaseFee", arg0, arg1)
+	ret0, _ := ret[0].(big.Int)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// ChainBaseFee indicates an expected call of ChainBaseFee.
+func (mr *MockPreCommitBatcherApiMockRecorder) ChainBaseFee(arg0, arg1 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ChainBaseFee", reflect.TypeOf((*MockPreCommitBatcherApi)(nil).ChainBaseFee), arg0, arg1)
+}
+
 // ChainHead mocks base method.
 func (m *MockPreCommitBatcherApi) ChainHead(arg0 context.Context) (sealing.TipSetToken, abi.ChainEpoch, error) {
 	m.ctrl.T.Helper()
@@ -100,3 +116,18 @@ func (mr *MockPreCommitBatcherApiMockRecorder) StateMinerInfo(arg0, arg1, arg2 i
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "StateMinerInfo", reflect.TypeOf((*MockPreCommitBatcherApi)(nil).StateMinerInfo), arg0, arg1, arg2)
 }
+
+// StateNetworkVersion mocks base method.
+func (m *MockPreCommitBatcherApi) StateNetworkVersion(arg0 context.Context, arg1 sealing.TipSetToken) (network.Version, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "StateNetworkVersion", arg0, arg1)
+	ret0, _ := ret[0].(network.Version)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// StateNetworkVersion indicates an expected call of StateNetworkVersion.
+func (mr *MockPreCommitBatcherApiMockRecorder) StateNetworkVersion(arg0, arg1 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "StateNetworkVersion", reflect.TypeOf((*MockPreCommitBatcherApi)(nil).StateNetworkVersion), arg0, arg1)
+}

extern/storage-sealing/precommit_batch.go

@@ -7,6 +7,8 @@ import (
 	"sync"
 	"time"
 
+	"github.com/filecoin-project/go-state-types/network"
+
 	"github.com/ipfs/go-cid"
 	"golang.org/x/xerrors"
 
@@ -20,6 +22,7 @@ import (
 	"github.com/filecoin-project/lotus/build"
 	"github.com/filecoin-project/lotus/chain/actors/builtin/miner"
 	"github.com/filecoin-project/lotus/chain/actors/policy"
+	"github.com/filecoin-project/lotus/chain/types"
 	"github.com/filecoin-project/lotus/extern/storage-sealing/sealiface"
 	"github.com/filecoin-project/lotus/node/config"
 )
@@ -31,6 +34,8 @@ type PreCommitBatcherApi interface {
 	StateMinerInfo(context.Context, address.Address, TipSetToken) (miner.MinerInfo, error)
 	StateMinerAvailableBalance(context.Context, address.Address, TipSetToken) (big.Int, error)
 	ChainHead(ctx context.Context) (TipSetToken, abi.ChainEpoch, error)
+	ChainBaseFee(context.Context, TipSetToken) (abi.TokenAmount, error)
+	StateNetworkVersion(ctx context.Context, tok TipSetToken) (network.Version, error)
 }
 
 type preCommitEntry struct {
@@ -185,8 +190,34 @@ func (b *PreCommitBatcher) maybeStartBatch(notif bool) ([]sealiface.PreCommitBat
 		return nil, nil
 	}
 
+	tok, _, err := b.api.ChainHead(b.mctx)
+	if err != nil {
+		return nil, err
+	}
+
+	bf, err := b.api.ChainBaseFee(b.mctx, tok)
+	if err != nil {
+		return nil, xerrors.Errorf("couldn't get base fee: %w", err)
+	}
+
+	// TODO: Drop this once nv14 has come and gone
+	nv, err := b.api.StateNetworkVersion(b.mctx, tok)
+	if err != nil {
+		return nil, xerrors.Errorf("couldn't get network version: %w", err)
+	}
+
+	individual := false
+	if !cfg.BatchPreCommitAboveBaseFee.Equals(big.Zero()) && bf.LessThan(cfg.BatchPreCommitAboveBaseFee) && nv >= network.Version14 {
+		individual = true
+	}
+
 	// todo support multiple batches
-	res, err := b.processBatch(cfg)
+	var res []sealiface.PreCommitBatchRes
+	if !individual {
+		res, err = b.processBatch(cfg, tok, bf, nv)
+	} else {
+		res, err = b.processIndividually(cfg)
+	}
 	if err != nil && len(res) == 0 {
 		return nil, err
 	}
@@ -210,7 +241,83 @@ func (b *PreCommitBatcher) maybeStartBatch(notif bool) ([]sealiface.PreCommitBat
 	return res, nil
 }
 
-func (b *PreCommitBatcher) processBatch(cfg sealiface.Config) ([]sealiface.PreCommitBatchRes, error) {
+func (b *PreCommitBatcher) processIndividually(cfg sealiface.Config) ([]sealiface.PreCommitBatchRes, error) {
+	mi, err := b.api.StateMinerInfo(b.mctx, b.maddr, nil)
+	if err != nil {
+		return nil, xerrors.Errorf("couldn't get miner info: %w", err)
+	}
+
+	avail := types.TotalFilecoinInt
+
+	if cfg.CollateralFromMinerBalance && !cfg.DisableCollateralFallback {
+		avail, err = b.api.StateMinerAvailableBalance(b.mctx, b.maddr, nil)
+		if err != nil {
+			return nil, xerrors.Errorf("getting available miner balance: %w", err)
+		}
+
+		avail = big.Sub(avail, cfg.AvailableBalanceBuffer)
+		if avail.LessThan(big.Zero()) {
+			avail = big.Zero()
+		}
+	}
+
+	var res []sealiface.PreCommitBatchRes
+
+	for sn, info := range b.todo {
+		r := sealiface.PreCommitBatchRes{
+			Sectors: []abi.SectorNumber{sn},
+		}
+
+		mcid, err := b.processSingle(cfg, mi, &avail, info)
+		if err != nil {
+			r.Error = err.Error()
+		} else {
+			r.Msg = &mcid
+		}
+
+		res = append(res, r)
+	}
+
+	return res, nil
+}
+
+func (b *PreCommitBatcher) processSingle(cfg sealiface.Config, mi miner.MinerInfo, avail *abi.TokenAmount, params *preCommitEntry) (cid.Cid, error) {
+	enc := new(bytes.Buffer)
+
+	if err := params.pci.MarshalCBOR(enc); err != nil {
+		return cid.Undef, xerrors.Errorf("marshaling precommit params: %w", err)
+	}
+
+	deposit := params.deposit
+	if cfg.CollateralFromMinerBalance {
+		c := big.Sub(deposit, *avail)
+		*avail = big.Sub(*avail, deposit)
+		deposit = c
+
+		if deposit.LessThan(big.Zero()) {
+			deposit = big.Zero()
+		}
+		if (*avail).LessThan(big.Zero()) {
+			*avail = big.Zero()
+		}
+	}
+
+	goodFunds := big.Add(deposit, big.Int(b.feeCfg.MaxPreCommitGasFee))
+
+	from, _, err := b.addrSel(b.mctx, mi, api.PreCommitAddr, goodFunds, deposit)
+	if err != nil {
+		return cid.Undef, xerrors.Errorf("no good address to send precommit message from: %w", err)
+	}
+
+	mcid, err := b.api.SendMsg(b.mctx, from, b.maddr, miner.Methods.PreCommitSector, deposit, big.Int(b.feeCfg.MaxPreCommitGasFee), enc.Bytes())
+	if err != nil {
+		return cid.Undef, xerrors.Errorf("pushing message to mpool: %w", err)
+	}
+
+	return mcid, nil
+}
+
+func (b *PreCommitBatcher) processBatch(cfg sealiface.Config, tok TipSetToken, bf abi.TokenAmount, nv network.Version) ([]sealiface.PreCommitBatchRes, error) {
 	params := miner5.PreCommitSectorBatchParams{}
 	deposit := big.Zero()
 	var res sealiface.PreCommitBatchRes
@@ -226,11 +333,6 @@ func (b *PreCommitBatcher) processBatch(cfg sealiface.Config) ([]sealiface.PreCo
 		deposit = big.Add(deposit, p.deposit)
 	}
 
-	deposit, err := collateralSendAmount(b.mctx, b.api, b.maddr, cfg, deposit)
-	if err != nil {
-		return []sealiface.PreCommitBatchRes{res}, err
-	}
-
 	enc := new(bytes.Buffer)
 	if err := params.MarshalCBOR(enc); err != nil {
 		return []sealiface.PreCommitBatchRes{res}, xerrors.Errorf("couldn't serialize PreCommitSectorBatchParams: %w", err)
@@ -242,14 +344,29 @@ func (b *PreCommitBatcher) processBatch(cfg sealiface.Config) ([]sealiface.PreCo
 	}
 
 	maxFee := b.feeCfg.MaxPreCommitBatchGasFee.FeeForSectors(len(params.Sectors))
-	goodFunds := big.Add(deposit, maxFee)
+
+	aggFeeRaw, err := policy.AggregatePreCommitNetworkFee(nv, len(params.Sectors), bf)
+	if err != nil {
+		log.Errorf("getting aggregate precommit network fee: %s", err)
+		return []sealiface.PreCommitBatchRes{res}, xerrors.Errorf("getting aggregate precommit network fee: %s", err)
+	}
+
+	aggFee := big.Div(big.Mul(aggFeeRaw, aggFeeNum), aggFeeDen)
+
+	needFunds := big.Add(deposit, aggFee)
+	needFunds, err = collateralSendAmount(b.mctx, b.api, b.maddr, cfg, needFunds)
+	if err != nil {
+		return []sealiface.PreCommitBatchRes{res}, err
+	}
+
+	goodFunds := big.Add(maxFee, needFunds)
 
 	from, _, err := b.addrSel(b.mctx, mi, api.PreCommitAddr, goodFunds, deposit)
 	if err != nil {
 		return []sealiface.PreCommitBatchRes{res}, xerrors.Errorf("no good address found: %w", err)
 	}
 
-	mcid, err := b.api.SendMsg(b.mctx, from, b.maddr, miner.Methods.PreCommitSectorBatch, deposit, maxFee, enc.Bytes())
+	mcid, err := b.api.SendMsg(b.mctx, from, b.maddr, miner.Methods.PreCommitSectorBatch, needFunds, maxFee, enc.Bytes())
 	if err != nil {
 		return []sealiface.PreCommitBatchRes{res}, xerrors.Errorf("sending message failed: %w", err)
 	}

extern/storage-sealing/precommit_batch_test.go

@@ -8,13 +8,16 @@ import (
 	"testing"
 	"time"
 
+	miner6 "github.com/filecoin-project/specs-actors/v6/actors/builtin/miner"
+
+	"github.com/filecoin-project/go-state-types/network"
+
 	"github.com/golang/mock/gomock"
 	"github.com/stretchr/testify/require"
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
 	"github.com/filecoin-project/go-state-types/big"
-	miner5 "github.com/filecoin-project/specs-actors/v5/actors/builtin/miner"
 
 	"github.com/filecoin-project/lotus/api"
 	"github.com/filecoin-project/lotus/chain/actors/builtin/miner"
@@ -44,7 +47,7 @@ func TestPrecommitBatcher(t *testing.T) {
 		return t0123, big.Zero(), nil
 	}
 
-	maxBatch := miner5.PreCommitSectorBatchMaxSize
+	maxBatch := miner6.PreCommitSectorBatchMaxSize
 
 	cfg := func() (sealiface.Config, error) {
 		return sealiface.Config{
@@ -54,14 +57,15 @@ func TestPrecommitBatcher(t *testing.T) {
 			WaitDealsDelay:            time.Hour * 6,
 			AlwaysKeepUnsealedCopy:    true,
 
-			BatchPreCommits:     true,
+			BatchPreCommits:            true,
-			MaxPreCommitBatch:   maxBatch,
+			MaxPreCommitBatch:          maxBatch,
-			PreCommitBatchWait:  24 * time.Hour,
+			PreCommitBatchWait:         24 * time.Hour,
-			PreCommitBatchSlack: 3 * time.Hour,
+			PreCommitBatchSlack:        3 * time.Hour,
+			BatchPreCommitAboveBaseFee: big.NewInt(10000),
 
 			AggregateCommits: true,
-			MinCommitBatch:   miner5.MinAggregatedSectors,
+			MinCommitBatch:   miner6.MinAggregatedSectors,
-			MaxCommitBatch:   miner5.MaxAggregatedSectors,
+			MaxCommitBatch:   miner6.MaxAggregatedSectors,
 			CommitBatchWait:  24 * time.Hour,
 			CommitBatchSlack: 1 * time.Hour,
 
@@ -149,10 +153,14 @@ func TestPrecommitBatcher(t *testing.T) {
 
 	expectSend := func(expect []abi.SectorNumber) action {
 		return func(t *testing.T, s *mocks.MockPreCommitBatcherApi, pcb *sealing.PreCommitBatcher) promise {
+			s.EXPECT().ChainHead(gomock.Any()).Return(nil, abi.ChainEpoch(1), nil)
+			s.EXPECT().ChainBaseFee(gomock.Any(), gomock.Any()).Return(big.NewInt(10001), nil)
+			s.EXPECT().StateNetworkVersion(gomock.Any(), gomock.Any()).Return(network.Version14, nil)
+
 			s.EXPECT().StateMinerInfo(gomock.Any(), gomock.Any(), gomock.Any()).Return(miner.MinerInfo{Owner: t0123, Worker: t0123}, nil)
 			s.EXPECT().SendMsg(gomock.Any(), gomock.Any(), gomock.Any(), gomock.Any(), gomock.Any(), gomock.Any(), funMatcher(func(i interface{}) bool {
 				b := i.([]byte)
-				var params miner5.PreCommitSectorBatchParams
+				var params miner6.PreCommitSectorBatchParams
 				require.NoError(t, params.UnmarshalCBOR(bytes.NewReader(b)))
 				for s, number := range expect {
 					require.Equal(t, number, params.Sectors[s].SectorNumber)
@@ -163,6 +171,27 @@ func TestPrecommitBatcher(t *testing.T) {
 		}
 	}
 
+	expectSendsSingle := func(expect []abi.SectorNumber) action {
+		return func(t *testing.T, s *mocks.MockPreCommitBatcherApi, pcb *sealing.PreCommitBatcher) promise {
+			s.EXPECT().ChainHead(gomock.Any()).Return(nil, abi.ChainEpoch(1), nil)
+			s.EXPECT().ChainBaseFee(gomock.Any(), gomock.Any()).Return(big.NewInt(9999), nil)
+			s.EXPECT().StateNetworkVersion(gomock.Any(), gomock.Any()).Return(network.Version14, nil)
+
+			s.EXPECT().StateMinerInfo(gomock.Any(), gomock.Any(), gomock.Any()).Return(miner.MinerInfo{Owner: t0123, Worker: t0123}, nil)
+			for _, number := range expect {
+				numClone := number
+				s.EXPECT().SendMsg(gomock.Any(), gomock.Any(), gomock.Any(), gomock.Any(), gomock.Any(), gomock.Any(), funMatcher(func(i interface{}) bool {
+					b := i.([]byte)
+					var params miner6.PreCommitSectorParams
+					require.NoError(t, params.UnmarshalCBOR(bytes.NewReader(b)))
+					require.Equal(t, numClone, params.SectorNumber)
+					return true
+				}))
+			}
+			return nil
+		}
+	}
+
 	flush := func(expect []abi.SectorNumber) action {
 		return func(t *testing.T, s *mocks.MockPreCommitBatcherApi, pcb *sealing.PreCommitBatcher) promise {
 			_ = expectSend(expect)(t, s, pcb)
@@ -211,6 +240,12 @@ func TestPrecommitBatcher(t *testing.T) {
 				addSectors(getSectors(maxBatch)),
 			},
 		},
+		"addMax-belowBaseFee": {
+			actions: []action{
+				expectSendsSingle(getSectors(maxBatch)),
+				addSectors(getSectors(maxBatch)),
+			},
+		},
 	}
 
 	for name, tc := range tcs {

extern/storage-sealing/sealiface/config.go

@@ -43,7 +43,8 @@ type Config struct {
 	CommitBatchWait  time.Duration
 	CommitBatchSlack time.Duration
 
-	AggregateAboveBaseFee abi.TokenAmount
+	AggregateAboveBaseFee      abi.TokenAmount
+	BatchPreCommitAboveBaseFee abi.TokenAmount
 
 	TerminateBatchMax  uint64
 	TerminateBatchMin  uint64

extern/storage-sealing/states_failed_test.go

@@ -3,9 +3,12 @@ package sealing_test
 import (
 	"bytes"
 	"context"
-	"errors"
 	"testing"
 
+	"github.com/filecoin-project/go-state-types/network"
+
+	market0 "github.com/filecoin-project/specs-actors/actors/builtin/market"
+
 	"github.com/golang/mock/gomock"
 	"github.com/ipfs/go-cid"
 	mh "github.com/multiformats/go-multihash"
@@ -21,64 +24,6 @@ import (
 	"github.com/filecoin-project/lotus/extern/storage-sealing/mocks"
 )
 
-func TestStateRecoverDealIDsErredDealInfo(t *testing.T) {
-	mockCtrl := gomock.NewController(t)
-	defer mockCtrl.Finish()
-
-	ctx := context.Background()
-
-	api := mocks.NewMockSealingAPI(mockCtrl)
-
-	fakeSealing := &sealing.Sealing{
-		Api:      api,
-		DealInfo: &sealing.CurrentDealInfoManager{CDAPI: api},
-	}
-
-	sctx := mocks.NewMockContext(mockCtrl)
-	sctx.EXPECT().Context().AnyTimes().Return(ctx)
-
-	api.EXPECT().ChainHead(ctx).Times(1).Return(nil, abi.ChainEpoch(10), nil)
-
-	var dealId abi.DealID = 12
-	dealProposal := market.DealProposal{
-		PieceCID: idCid("newPieceCID"),
-	}
-
-	api.EXPECT().StateMarketStorageDealProposal(ctx, dealId, nil).Return(dealProposal, nil)
-
-	pc := idCid("publishCID")
-
-	// expect GetCurrentDealInfo
-	{
-		api.EXPECT().StateSearchMsg(ctx, pc).Return(&sealing.MsgLookup{
-			Receipt: sealing.MessageReceipt{
-				ExitCode: exitcode.Ok,
-				Return: cborRet(&market.PublishStorageDealsReturn{
-					IDs: []abi.DealID{dealId},
-				}),
-			},
-		}, nil)
-		api.EXPECT().StateMarketStorageDeal(ctx, dealId, nil).Return(nil, errors.New("deal may not have completed sealing or slashed"))
-	}
-
-	sctx.EXPECT().Send(sealing.SectorRemove{}).Return(nil)
-
-	err := fakeSealing.HandleRecoverDealIDs(sctx, sealing.SectorInfo{
-		Pieces: []sealing.Piece{
-			{
-				DealInfo: &api2.PieceDealInfo{
-					DealID:     dealId,
-					PublishCid: &pc,
-				},
-				Piece: abi.PieceInfo{
-					PieceCID: idCid("oldPieceCID"),
-				},
-			},
-		},
-	})
-	require.NoError(t, err)
-}
-
 func TestStateRecoverDealIDs(t *testing.T) {
 	mockCtrl := gomock.NewController(t)
 	defer mockCtrl.Finish()
@@ -111,11 +56,12 @@ func TestStateRecoverDealIDs(t *testing.T) {
 		api.EXPECT().StateSearchMsg(ctx, pc).Return(&sealing.MsgLookup{
 			Receipt: sealing.MessageReceipt{
 				ExitCode: exitcode.Ok,
-				Return: cborRet(&market.PublishStorageDealsReturn{
+				Return: cborRet(&market0.PublishStorageDealsReturn{
 					IDs: []abi.DealID{dealId},
 				}),
 			},
 		}, nil)
+		api.EXPECT().StateNetworkVersion(ctx, nil).Return(network.Version0, nil)
 		api.EXPECT().StateMarketStorageDeal(ctx, dealId, nil).Return(&api2.MarketDeal{
 			Proposal: dealProposal,
 		}, nil)

go.mod

@@ -40,7 +40,7 @@ require (
 	github.com/filecoin-project/go-jsonrpc v0.1.4-0.20210217175800-45ea43ac2bec
 	github.com/filecoin-project/go-padreader v0.0.0-20210723183308-812a16dc01b1
 	github.com/filecoin-project/go-paramfetch v0.0.2
-	github.com/filecoin-project/go-state-types v0.1.1-0.20210810190654-139e0e79e69e
+	github.com/filecoin-project/go-state-types v0.1.1-0.20210915140513-d354ccf10379
 	github.com/filecoin-project/go-statemachine v1.0.1
 	github.com/filecoin-project/go-statestore v0.1.1
 	github.com/filecoin-project/go-storedcounter v0.0.0-20200421200003-1c99c62e8a5b
@@ -49,6 +49,7 @@ require (
 	github.com/filecoin-project/specs-actors/v3 v3.1.1
 	github.com/filecoin-project/specs-actors/v4 v4.0.1
 	github.com/filecoin-project/specs-actors/v5 v5.0.4
+	github.com/filecoin-project/specs-actors/v6 v6.0.0-20211001193936-c3afe7fa3c5c
 	github.com/filecoin-project/specs-storage v0.1.1-0.20201105051918-5188d9774506
 	github.com/filecoin-project/test-vectors/schema v0.0.5
 	github.com/gbrlsnchs/jwt/v3 v3.0.0-beta.1