diff --git a/chain/actors/adt/adt.go b/chain/actors/adt/adt.go
index 778ba9fcf..6a454ac26 100644
--- a/chain/actors/adt/adt.go
+++ b/chain/actors/adt/adt.go
@@ -11,7 +11,7 @@ import (
 	"github.com/filecoin-project/lotus/chain/actors"
 
 	adt0 "github.com/filecoin-project/specs-actors/actors/util/adt"
-	adt1 "github.com/filecoin-project/specs-actors/v2/actors/util/adt"
+	adt2 "github.com/filecoin-project/specs-actors/v2/actors/util/adt"
 )
 
 type Map interface {
@@ -28,8 +28,8 @@ func AsMap(store Store, root cid.Cid, version actors.Version) (Map, error) {
 	switch version {
 	case actors.Version0:
 		return adt0.AsMap(store, root)
-	case actors.Version1:
-		return adt1.AsMap(store, root)
+	case actors.Version2:
+		return adt2.AsMap(store, root)
 	}
 	return nil, xerrors.Errorf("unknown network version: %d", version)
 }
@@ -38,8 +38,8 @@ func NewMap(store Store, version actors.Version) (Map, error) {
 	switch version {
 	case actors.Version0:
 		return adt0.MakeEmptyMap(store), nil
-	case actors.Version1:
-		return adt1.MakeEmptyMap(store), nil
+	case actors.Version2:
+		return adt2.MakeEmptyMap(store), nil
 	}
 	return nil, xerrors.Errorf("unknown network version: %d", version)
 }
@@ -59,8 +59,8 @@ func AsArray(store Store, root cid.Cid, version network.Version) (Array, error)
 	switch actors.VersionForNetwork(version) {
 	case actors.Version0:
 		return adt0.AsArray(store, root)
-	case actors.Version1:
-		return adt1.AsArray(store, root)
+	case actors.Version2:
+		return adt2.AsArray(store, root)
 	}
 	return nil, xerrors.Errorf("unknown network version: %d", version)
 }
@@ -69,8 +69,8 @@ func NewArray(store Store, version actors.Version) (Array, error) {
 	switch version {
 	case actors.Version0:
 		return adt0.MakeEmptyArray(store), nil
-	case actors.Version1:
-		return adt1.MakeEmptyArray(store), nil
+	case actors.Version2:
+		return adt2.MakeEmptyArray(store), nil
 	}
 	return nil, xerrors.Errorf("unknown network version: %d", version)
 }
diff --git a/chain/actors/builtin/account/account.go b/chain/actors/builtin/account/account.go
index 2754607e2..7b1b2a792 100644
--- a/chain/actors/builtin/account/account.go
+++ b/chain/actors/builtin/account/account.go
@@ -12,15 +12,15 @@ import (
 	"github.com/filecoin-project/lotus/chain/types"
 
 	builtin0 "github.com/filecoin-project/specs-actors/actors/builtin"
-	builtin1 "github.com/filecoin-project/specs-actors/v2/actors/builtin"
+	builtin2 "github.com/filecoin-project/specs-actors/v2/actors/builtin"
 )
 
 func init() {
 	builtin.RegisterActorState(builtin0.AccountActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
 		return load0(store, root)
 	})
-	builtin.RegisterActorState(builtin1.AccountActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
-		return load1(store, root)
+	builtin.RegisterActorState(builtin2.AccountActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
+		return load2(store, root)
 	})
 }
 
@@ -28,8 +28,8 @@ func Load(store adt.Store, act *types.Actor) (State, error) {
 	switch act.Code {
 	case builtin0.AccountActorCodeID:
 		return load0(store, act.Head)
-	case builtin1.AccountActorCodeID:
-		return load1(store, act.Head)
+	case builtin2.AccountActorCodeID:
+		return load2(store, act.Head)
 	}
 	return nil, xerrors.Errorf("unknown actor code %s", act.Code)
 }
diff --git a/chain/actors/builtin/account/v1.go b/chain/actors/builtin/account/v2.go
similarity index 53%
rename from chain/actors/builtin/account/v1.go
rename to chain/actors/builtin/account/v2.go
index 993c0e397..2664631bc 100644
--- a/chain/actors/builtin/account/v1.go
+++ b/chain/actors/builtin/account/v2.go
@@ -6,13 +6,13 @@ import (
 
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 
-	account1 "github.com/filecoin-project/specs-actors/v2/actors/builtin/account"
+	account2 "github.com/filecoin-project/specs-actors/v2/actors/builtin/account"
 )
 
-var _ State = (*state1)(nil)
+var _ State = (*state2)(nil)
 
-func load1(store adt.Store, root cid.Cid) (State, error) {
-	out := state1{store: store}
+func load2(store adt.Store, root cid.Cid) (State, error) {
+	out := state2{store: store}
 	err := store.Get(store.Context(), root, &out)
 	if err != nil {
 		return nil, err
@@ -20,11 +20,11 @@ func load1(store adt.Store, root cid.Cid) (State, error) {
 	return &out, nil
 }
 
-type state1 struct {
-	account1.State
+type state2 struct {
+	account2.State
 	store adt.Store
 }
 
-func (s *state1) PubkeyAddress() (address.Address, error) {
+func (s *state2) PubkeyAddress() (address.Address, error) {
 	return s.Address, nil
 }
diff --git a/chain/actors/builtin/builtin.go b/chain/actors/builtin/builtin.go
index a0567dc27..784c004eb 100644
--- a/chain/actors/builtin/builtin.go
+++ b/chain/actors/builtin/builtin.go
@@ -14,8 +14,8 @@ import (
 	miner0 "github.com/filecoin-project/specs-actors/actors/builtin/miner"
 	proof0 "github.com/filecoin-project/specs-actors/actors/runtime/proof"
 	smoothing0 "github.com/filecoin-project/specs-actors/actors/util/smoothing"
-	builtin1 "github.com/filecoin-project/specs-actors/v2/actors/builtin"
-	smoothing1 "github.com/filecoin-project/specs-actors/v2/actors/util/smoothing"
+	builtin2 "github.com/filecoin-project/specs-actors/v2/actors/builtin"
+	smoothing2 "github.com/filecoin-project/specs-actors/v2/actors/util/smoothing"
 )
 
 // TODO: Why does actors have 2 different versions of this?
@@ -32,7 +32,7 @@ func QAPowerForWeight(size abi.SectorSize, duration abi.ChainEpoch, dealWeight,
 	return miner0.QAPowerForWeight(size, duration, dealWeight, verifiedWeight)
 }
 
-func FromV1FilterEstimate(v1 smoothing1.FilterEstimate) FilterEstimate {
+func FromV2FilterEstimate(v1 smoothing2.FilterEstimate) FilterEstimate {
 	return (FilterEstimate)(v1)
 }
 
@@ -56,13 +56,13 @@ func ActorNameByCode(c cid.Cid) string {
 	switch {
 	case builtin0.IsBuiltinActor(c):
 		return builtin0.ActorNameByCode(c)
-	case builtin1.IsBuiltinActor(c):
-		return builtin1.ActorNameByCode(c)
+	case builtin2.IsBuiltinActor(c):
+		return builtin2.ActorNameByCode(c)
 	default:
 		return "<unknown>"
 	}
 }
 
 func IsBuiltinActor(c cid.Cid) bool {
-	return builtin0.IsBuiltinActor(c) || builtin1.IsBuiltinActor(c)
+	return builtin0.IsBuiltinActor(c) || builtin2.IsBuiltinActor(c)
 }
diff --git a/chain/actors/builtin/init/init.go b/chain/actors/builtin/init/init.go
index 622921ee9..d1a41b158 100644
--- a/chain/actors/builtin/init/init.go
+++ b/chain/actors/builtin/init/init.go
@@ -14,15 +14,15 @@ import (
 	"github.com/filecoin-project/lotus/node/modules/dtypes"
 
 	builtin0 "github.com/filecoin-project/specs-actors/actors/builtin"
-	builtin1 "github.com/filecoin-project/specs-actors/v2/actors/builtin"
+	builtin2 "github.com/filecoin-project/specs-actors/v2/actors/builtin"
 )
 
 func init() {
 	builtin.RegisterActorState(builtin0.InitActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
 		return load0(store, root)
 	})
-	builtin.RegisterActorState(builtin1.InitActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
-		return load1(store, root)
+	builtin.RegisterActorState(builtin2.InitActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
+		return load2(store, root)
 	})
 }
 
@@ -32,8 +32,8 @@ func Load(store adt.Store, act *types.Actor) (State, error) {
 	switch act.Code {
 	case builtin0.InitActorCodeID:
 		return load0(store, act.Head)
-	case builtin1.InitActorCodeID:
-		return load1(store, act.Head)
+	case builtin2.InitActorCodeID:
+		return load2(store, act.Head)
 	}
 	return nil, xerrors.Errorf("unknown actor code %s", act.Code)
 }
diff --git a/chain/actors/builtin/init/v1.go b/chain/actors/builtin/init/v2.go
similarity index 65%
rename from chain/actors/builtin/init/v1.go
rename to chain/actors/builtin/init/v2.go
index dcaa5a9ed..38b3099fd 100644
--- a/chain/actors/builtin/init/v1.go
+++ b/chain/actors/builtin/init/v2.go
@@ -10,14 +10,14 @@ import (
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/node/modules/dtypes"
 
-	init1 "github.com/filecoin-project/specs-actors/v2/actors/builtin/init"
-	adt1 "github.com/filecoin-project/specs-actors/v2/actors/util/adt"
+	init2 "github.com/filecoin-project/specs-actors/v2/actors/builtin/init"
+	adt2 "github.com/filecoin-project/specs-actors/v2/actors/util/adt"
 )
 
-var _ State = (*state1)(nil)
+var _ State = (*state2)(nil)
 
-func load1(store adt.Store, root cid.Cid) (State, error) {
-	out := state1{store: store}
+func load2(store adt.Store, root cid.Cid) (State, error) {
+	out := state2{store: store}
 	err := store.Get(store.Context(), root, &out)
 	if err != nil {
 		return nil, err
@@ -25,21 +25,21 @@ func load1(store adt.Store, root cid.Cid) (State, error) {
 	return &out, nil
 }
 
-type state1 struct {
-	init1.State
+type state2 struct {
+	init2.State
 	store adt.Store
 }
 
-func (s *state1) ResolveAddress(address address.Address) (address.Address, bool, error) {
+func (s *state2) ResolveAddress(address address.Address) (address.Address, bool, error) {
 	return s.State.ResolveAddress(s.store, address)
 }
 
-func (s *state1) MapAddressToNewID(address address.Address) (address.Address, error) {
+func (s *state2) MapAddressToNewID(address address.Address) (address.Address, error) {
 	return s.State.MapAddressToNewID(s.store, address)
 }
 
-func (s *state1) ForEachActor(cb func(id abi.ActorID, address address.Address) error) error {
-	addrs, err := adt1.AsMap(s.store, s.State.AddressMap)
+func (s *state2) ForEachActor(cb func(id abi.ActorID, address address.Address) error) error {
+	addrs, err := adt2.AsMap(s.store, s.State.AddressMap)
 	if err != nil {
 		return err
 	}
@@ -53,12 +53,12 @@ func (s *state1) ForEachActor(cb func(id abi.ActorID, address address.Address) e
 	})
 }
 
-func (s *state1) NetworkName() (dtypes.NetworkName, error) {
+func (s *state2) NetworkName() (dtypes.NetworkName, error) {
 	return dtypes.NetworkName(s.State.NetworkName), nil
 }
 
-func (s *state1) Remove(addrs ...address.Address) (err error) {
-	m, err := adt1.AsMap(s.store, s.State.AddressMap)
+func (s *state2) Remove(addrs ...address.Address) (err error) {
+	m, err := adt2.AsMap(s.store, s.State.AddressMap)
 	if err != nil {
 		return err
 	}
diff --git a/chain/actors/builtin/market/market.go b/chain/actors/builtin/market/market.go
index d0798560b..fd08a0119 100644
--- a/chain/actors/builtin/market/market.go
+++ b/chain/actors/builtin/market/market.go
@@ -11,7 +11,7 @@ import (
 
 	builtin0 "github.com/filecoin-project/specs-actors/actors/builtin"
 	market0 "github.com/filecoin-project/specs-actors/actors/builtin/market"
-	builtin1 "github.com/filecoin-project/specs-actors/v2/actors/builtin"
+	builtin2 "github.com/filecoin-project/specs-actors/v2/actors/builtin"
 
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/chain/actors/builtin"
@@ -22,8 +22,8 @@ func init() {
 	builtin.RegisterActorState(builtin0.StorageMarketActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
 		return load0(store, root)
 	})
-	builtin.RegisterActorState(builtin1.StorageMarketActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
-		return load1(store, root)
+	builtin.RegisterActorState(builtin2.StorageMarketActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
+		return load2(store, root)
 	})
 }
 
@@ -33,8 +33,8 @@ func Load(store adt.Store, act *types.Actor) (st State, err error) {
 	switch act.Code {
 	case builtin0.StorageMarketActorCodeID:
 		return load0(store, act.Head)
-	case builtin1.StorageMarketActorCodeID:
-		return load1(store, act.Head)
+	case builtin2.StorageMarketActorCodeID:
+		return load2(store, act.Head)
 	}
 	return nil, xerrors.Errorf("unknown actor code %s", act.Code)
 }
diff --git a/chain/actors/builtin/market/v1.go b/chain/actors/builtin/market/v1.go
deleted file mode 100644
index 3ad0cded6..000000000
--- a/chain/actors/builtin/market/v1.go
+++ /dev/null
@@ -1,205 +0,0 @@
-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"
-
-	"github.com/filecoin-project/lotus/chain/actors/adt"
-	"github.com/filecoin-project/lotus/chain/types"
-
-	market1 "github.com/filecoin-project/specs-actors/v2/actors/builtin/market"
-	adt1 "github.com/filecoin-project/specs-actors/v2/actors/util/adt"
-)
-
-var _ State = (*state1)(nil)
-
-func load1(store adt.Store, root cid.Cid) (State, error) {
-	out := state1{store: store}
-	err := store.Get(store.Context(), root, &out)
-	if err != nil {
-		return nil, err
-	}
-	return &out, nil
-}
-
-type state1 struct {
-	market1.State
-	store adt.Store
-}
-
-func (s *state1) TotalLocked() (abi.TokenAmount, error) {
-	fml := types.BigAdd(s.TotalClientLockedCollateral, s.TotalProviderLockedCollateral)
-	fml = types.BigAdd(fml, s.TotalClientStorageFee)
-	return fml, nil
-}
-
-func (s *state1) BalancesChanged(otherState State) (bool, error) {
-	otherState1, ok := otherState.(*state1)
-	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(otherState1.State.EscrowTable) || !s.State.LockedTable.Equals(otherState1.State.LockedTable), nil
-}
-
-func (s *state1) StatesChanged(otherState State) (bool, error) {
-	otherState1, ok := otherState.(*state1)
-	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(otherState1.State.States), nil
-}
-
-func (s *state1) States() (DealStates, error) {
-	stateArray, err := adt1.AsArray(s.store, s.State.States)
-	if err != nil {
-		return nil, err
-	}
-	return &dealStates1{stateArray}, nil
-}
-
-func (s *state1) ProposalsChanged(otherState State) (bool, error) {
-	otherState1, ok := otherState.(*state1)
-	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(otherState1.State.Proposals), nil
-}
-
-func (s *state1) Proposals() (DealProposals, error) {
-	proposalArray, err := adt1.AsArray(s.store, s.State.Proposals)
-	if err != nil {
-		return nil, err
-	}
-	return &dealProposals1{proposalArray}, nil
-}
-
-func (s *state1) EscrowTable() (BalanceTable, error) {
-	bt, err := adt1.AsBalanceTable(s.store, s.State.EscrowTable)
-	if err != nil {
-		return nil, err
-	}
-	return &balanceTable1{bt}, nil
-}
-
-func (s *state1) LockedTable() (BalanceTable, error) {
-	bt, err := adt1.AsBalanceTable(s.store, s.State.LockedTable)
-	if err != nil {
-		return nil, err
-	}
-	return &balanceTable1{bt}, nil
-}
-
-func (s *state1) VerifyDealsForActivation(
-	minerAddr address.Address, deals []abi.DealID, currEpoch, sectorExpiry abi.ChainEpoch,
-) (weight, verifiedWeight abi.DealWeight, err error) {
-	w, vw, _, err := market1.ValidateDealsForActivation(&s.State, s.store, deals, minerAddr, sectorExpiry, currEpoch)
-	return w, vw, err
-}
-
-type balanceTable1 struct {
-	*adt1.BalanceTable
-}
-
-func (bt *balanceTable1) ForEach(cb func(address.Address, abi.TokenAmount) error) error {
-	asMap := (*adt1.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 dealStates1 struct {
-	adt.Array
-}
-
-func (s *dealStates1) Get(dealID abi.DealID) (*DealState, bool, error) {
-	var deal1 market1.DealState
-	found, err := s.Array.Get(uint64(dealID), &deal1)
-	if err != nil {
-		return nil, false, err
-	}
-	if !found {
-		return nil, false, nil
-	}
-	deal := fromV1DealState(deal1)
-	return &deal, true, nil
-}
-
-func (s *dealStates1) ForEach(cb func(dealID abi.DealID, ds DealState) error) error {
-	var ds1 market1.DealState
-	return s.Array.ForEach(&ds1, func(idx int64) error {
-		return cb(abi.DealID(idx), fromV1DealState(ds1))
-	})
-}
-
-func (s *dealStates1) decode(val *cbg.Deferred) (*DealState, error) {
-	var ds1 market1.DealState
-	if err := ds1.UnmarshalCBOR(bytes.NewReader(val.Raw)); err != nil {
-		return nil, err
-	}
-	ds := fromV1DealState(ds1)
-	return &ds, nil
-}
-
-func (s *dealStates1) array() adt.Array {
-	return s.Array
-}
-
-func fromV1DealState(v1 market1.DealState) DealState {
-	return (DealState)(v1)
-}
-
-type dealProposals1 struct {
-	adt.Array
-}
-
-func (s *dealProposals1) Get(dealID abi.DealID) (*DealProposal, bool, error) {
-	var proposal1 market1.DealProposal
-	found, err := s.Array.Get(uint64(dealID), &proposal1)
-	if err != nil {
-		return nil, false, err
-	}
-	if !found {
-		return nil, false, nil
-	}
-	proposal := fromV1DealProposal(proposal1)
-	return &proposal, true, nil
-}
-
-func (s *dealProposals1) ForEach(cb func(dealID abi.DealID, dp DealProposal) error) error {
-	var dp1 market1.DealProposal
-	return s.Array.ForEach(&dp1, func(idx int64) error {
-		return cb(abi.DealID(idx), fromV1DealProposal(dp1))
-	})
-}
-
-func (s *dealProposals1) decode(val *cbg.Deferred) (*DealProposal, error) {
-	var dp1 market1.DealProposal
-	if err := dp1.UnmarshalCBOR(bytes.NewReader(val.Raw)); err != nil {
-		return nil, err
-	}
-	dp := fromV1DealProposal(dp1)
-	return &dp, nil
-}
-
-func (s *dealProposals1) array() adt.Array {
-	return s.Array
-}
-
-func fromV1DealProposal(v1 market1.DealProposal) DealProposal {
-	return (DealProposal)(v1)
-}
diff --git a/chain/actors/builtin/market/v2.go b/chain/actors/builtin/market/v2.go
new file mode 100644
index 000000000..a5e5c7b45
--- /dev/null
+++ b/chain/actors/builtin/market/v2.go
@@ -0,0 +1,205 @@
+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"
+
+	"github.com/filecoin-project/lotus/chain/actors/adt"
+	"github.com/filecoin-project/lotus/chain/types"
+
+	market2 "github.com/filecoin-project/specs-actors/v2/actors/builtin/market"
+	adt2 "github.com/filecoin-project/specs-actors/v2/actors/util/adt"
+)
+
+var _ State = (*state2)(nil)
+
+func load2(store adt.Store, root cid.Cid) (State, error) {
+	out := state2{store: store}
+	err := store.Get(store.Context(), root, &out)
+	if err != nil {
+		return nil, err
+	}
+	return &out, nil
+}
+
+type state2 struct {
+	market2.State
+	store adt.Store
+}
+
+func (s *state2) TotalLocked() (abi.TokenAmount, error) {
+	fml := types.BigAdd(s.TotalClientLockedCollateral, s.TotalProviderLockedCollateral)
+	fml = types.BigAdd(fml, s.TotalClientStorageFee)
+	return fml, nil
+}
+
+func (s *state2) BalancesChanged(otherState State) (bool, error) {
+	otherState2, ok := otherState.(*state2)
+	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(otherState2.State.EscrowTable) || !s.State.LockedTable.Equals(otherState2.State.LockedTable), nil
+}
+
+func (s *state2) StatesChanged(otherState State) (bool, error) {
+	otherState2, ok := otherState.(*state2)
+	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(otherState2.State.States), nil
+}
+
+func (s *state2) States() (DealStates, error) {
+	stateArray, err := adt2.AsArray(s.store, s.State.States)
+	if err != nil {
+		return nil, err
+	}
+	return &dealStates2{stateArray}, nil
+}
+
+func (s *state2) ProposalsChanged(otherState State) (bool, error) {
+	otherState2, ok := otherState.(*state2)
+	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(otherState2.State.Proposals), nil
+}
+
+func (s *state2) Proposals() (DealProposals, error) {
+	proposalArray, err := adt2.AsArray(s.store, s.State.Proposals)
+	if err != nil {
+		return nil, err
+	}
+	return &dealProposals2{proposalArray}, nil
+}
+
+func (s *state2) EscrowTable() (BalanceTable, error) {
+	bt, err := adt2.AsBalanceTable(s.store, s.State.EscrowTable)
+	if err != nil {
+		return nil, err
+	}
+	return &balanceTable2{bt}, nil
+}
+
+func (s *state2) LockedTable() (BalanceTable, error) {
+	bt, err := adt2.AsBalanceTable(s.store, s.State.LockedTable)
+	if err != nil {
+		return nil, err
+	}
+	return &balanceTable2{bt}, nil
+}
+
+func (s *state2) VerifyDealsForActivation(
+	minerAddr address.Address, deals []abi.DealID, currEpoch, sectorExpiry abi.ChainEpoch,
+) (weight, verifiedWeight abi.DealWeight, err error) {
+	w, vw, _, err := market2.ValidateDealsForActivation(&s.State, s.store, deals, minerAddr, sectorExpiry, currEpoch)
+	return w, vw, err
+}
+
+type balanceTable2 struct {
+	*adt2.BalanceTable
+}
+
+func (bt *balanceTable2) ForEach(cb func(address.Address, abi.TokenAmount) error) error {
+	asMap := (*adt2.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 dealStates2 struct {
+	adt.Array
+}
+
+func (s *dealStates2) Get(dealID abi.DealID) (*DealState, bool, error) {
+	var deal2 market2.DealState
+	found, err := s.Array.Get(uint64(dealID), &deal2)
+	if err != nil {
+		return nil, false, err
+	}
+	if !found {
+		return nil, false, nil
+	}
+	deal := fromV2DealState(deal2)
+	return &deal, true, nil
+}
+
+func (s *dealStates2) ForEach(cb func(dealID abi.DealID, ds DealState) error) error {
+	var ds1 market2.DealState
+	return s.Array.ForEach(&ds1, func(idx int64) error {
+		return cb(abi.DealID(idx), fromV2DealState(ds1))
+	})
+}
+
+func (s *dealStates2) decode(val *cbg.Deferred) (*DealState, error) {
+	var ds1 market2.DealState
+	if err := ds1.UnmarshalCBOR(bytes.NewReader(val.Raw)); err != nil {
+		return nil, err
+	}
+	ds := fromV2DealState(ds1)
+	return &ds, nil
+}
+
+func (s *dealStates2) array() adt.Array {
+	return s.Array
+}
+
+func fromV2DealState(v1 market2.DealState) DealState {
+	return (DealState)(v1)
+}
+
+type dealProposals2 struct {
+	adt.Array
+}
+
+func (s *dealProposals2) Get(dealID abi.DealID) (*DealProposal, bool, error) {
+	var proposal2 market2.DealProposal
+	found, err := s.Array.Get(uint64(dealID), &proposal2)
+	if err != nil {
+		return nil, false, err
+	}
+	if !found {
+		return nil, false, nil
+	}
+	proposal := fromV2DealProposal(proposal2)
+	return &proposal, true, nil
+}
+
+func (s *dealProposals2) ForEach(cb func(dealID abi.DealID, dp DealProposal) error) error {
+	var dp1 market2.DealProposal
+	return s.Array.ForEach(&dp1, func(idx int64) error {
+		return cb(abi.DealID(idx), fromV2DealProposal(dp1))
+	})
+}
+
+func (s *dealProposals2) decode(val *cbg.Deferred) (*DealProposal, error) {
+	var dp1 market2.DealProposal
+	if err := dp1.UnmarshalCBOR(bytes.NewReader(val.Raw)); err != nil {
+		return nil, err
+	}
+	dp := fromV2DealProposal(dp1)
+	return &dp, nil
+}
+
+func (s *dealProposals2) array() adt.Array {
+	return s.Array
+}
+
+func fromV2DealProposal(v1 market2.DealProposal) DealProposal {
+	return (DealProposal)(v1)
+}
diff --git a/chain/actors/builtin/miner/miner.go b/chain/actors/builtin/miner/miner.go
index 00687a76f..66a157588 100644
--- a/chain/actors/builtin/miner/miner.go
+++ b/chain/actors/builtin/miner/miner.go
@@ -18,19 +18,19 @@ import (
 
 	builtin0 "github.com/filecoin-project/specs-actors/actors/builtin"
 	miner0 "github.com/filecoin-project/specs-actors/actors/builtin/miner"
-	builtin1 "github.com/filecoin-project/specs-actors/v2/actors/builtin"
+	builtin2 "github.com/filecoin-project/specs-actors/v2/actors/builtin"
 )
 
 func init() {
 	builtin.RegisterActorState(builtin0.StorageMinerActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
 		return load0(store, root)
 	})
-	builtin.RegisterActorState(builtin1.StorageMinerActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
-		return load1(store, root)
+	builtin.RegisterActorState(builtin2.StorageMinerActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
+		return load2(store, root)
 	})
 }
 
-// Unchanged between v0 and v1 actors
+// Unchanged between v0 and v2 actors
 var WPoStProvingPeriod = miner0.WPoStProvingPeriod
 
 const MinSectorExpiration = miner0.MinSectorExpiration
@@ -39,8 +39,8 @@ func Load(store adt.Store, act *types.Actor) (st State, err error) {
 	switch act.Code {
 	case builtin0.StorageMinerActorCodeID:
 		return load0(store, act.Head)
-	case builtin1.StorageMinerActorCodeID:
-		return load1(store, act.Head)
+	case builtin2.StorageMinerActorCodeID:
+		return load2(store, act.Head)
 	}
 	return nil, xerrors.Errorf("unknown actor code %s", act.Code)
 }
diff --git a/chain/actors/builtin/miner/v1.go b/chain/actors/builtin/miner/v2.go
similarity index 59%
rename from chain/actors/builtin/miner/v1.go
rename to chain/actors/builtin/miner/v2.go
index 9259353f3..6f496a51e 100644
--- a/chain/actors/builtin/miner/v1.go
+++ b/chain/actors/builtin/miner/v2.go
@@ -14,14 +14,14 @@ import (
 
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 
-	miner1 "github.com/filecoin-project/specs-actors/v2/actors/builtin/miner"
-	adt1 "github.com/filecoin-project/specs-actors/v2/actors/util/adt"
+	miner2 "github.com/filecoin-project/specs-actors/v2/actors/builtin/miner"
+	adt2 "github.com/filecoin-project/specs-actors/v2/actors/util/adt"
 )
 
-var _ State = (*state1)(nil)
+var _ State = (*state2)(nil)
 
-func load1(store adt.Store, root cid.Cid) (State, error) {
-	out := state1{store: store}
+func load2(store adt.Store, root cid.Cid) (State, error) {
+	out := state2{store: store}
 	err := store.Get(store.Context(), root, &out)
 	if err != nil {
 		return nil, err
@@ -29,30 +29,30 @@ func load1(store adt.Store, root cid.Cid) (State, error) {
 	return &out, nil
 }
 
-type state1 struct {
-	miner1.State
+type state2 struct {
+	miner2.State
 	store adt.Store
 }
 
-type deadline1 struct {
-	miner1.Deadline
+type deadline2 struct {
+	miner2.Deadline
 	store adt.Store
 }
 
-type partition1 struct {
-	miner1.Partition
+type partition2 struct {
+	miner2.Partition
 	store adt.Store
 }
 
-func (s *state1) AvailableBalance(bal abi.TokenAmount) (abi.TokenAmount, error) {
+func (s *state2) AvailableBalance(bal abi.TokenAmount) (abi.TokenAmount, error) {
 	return s.GetAvailableBalance(bal), nil
 }
 
-func (s *state1) VestedFunds(epoch abi.ChainEpoch) (abi.TokenAmount, error) {
+func (s *state2) VestedFunds(epoch abi.ChainEpoch) (abi.TokenAmount, error) {
 	return s.CheckVestedFunds(s.store, epoch)
 }
 
-func (s *state1) LockedFunds() (LockedFunds, error) {
+func (s *state2) LockedFunds() (LockedFunds, error) {
 	return LockedFunds{
 		VestingFunds:             s.State.LockedFunds,
 		InitialPledgeRequirement: s.State.InitialPledge,
@@ -60,25 +60,25 @@ func (s *state1) LockedFunds() (LockedFunds, error) {
 	}, nil
 }
 
-func (s *state1) InitialPledge() (abi.TokenAmount, error) {
+func (s *state2) InitialPledge() (abi.TokenAmount, error) {
 	return s.State.InitialPledge, nil
 }
 
-func (s *state1) PreCommitDeposits() (abi.TokenAmount, error) {
+func (s *state2) PreCommitDeposits() (abi.TokenAmount, error) {
 	return s.State.PreCommitDeposits, nil
 }
 
-func (s *state1) GetSector(num abi.SectorNumber) (*SectorOnChainInfo, error) {
+func (s *state2) GetSector(num abi.SectorNumber) (*SectorOnChainInfo, error) {
 	info, ok, err := s.State.GetSector(s.store, num)
 	if !ok || err != nil {
 		return nil, err
 	}
 
-	ret := fromV1SectorOnChainInfo(*info)
+	ret := fromV2SectorOnChainInfo(*info)
 	return &ret, nil
 }
 
-func (s *state1) FindSector(num abi.SectorNumber) (*SectorLocation, error) {
+func (s *state2) FindSector(num abi.SectorNumber) (*SectorLocation, error) {
 	dlIdx, partIdx, err := s.State.FindSector(s.store, num)
 	if err != nil {
 		return nil, err
@@ -89,13 +89,13 @@ func (s *state1) FindSector(num abi.SectorNumber) (*SectorLocation, error) {
 	}, nil
 }
 
-func (s *state1) NumLiveSectors() (uint64, error) {
+func (s *state2) 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 *miner1.Deadline) error {
+	if err := dls.ForEach(s.store, func(dlIdx uint64, dl *miner2.Deadline) error {
 		total += dl.LiveSectors
 		return nil
 	}); err != nil {
@@ -109,7 +109,7 @@ func (s *state1) NumLiveSectors() (uint64, error) {
 // If the sector isn't found or has already been terminated, this method returns
 // nil and no error. If the sector does not expire early, the Early expiration
 // field is 0.
-func (s *state1) GetSectorExpiration(num abi.SectorNumber) (*SectorExpiration, error) {
+func (s *state2) GetSectorExpiration(num abi.SectorNumber) (*SectorExpiration, error) {
 	dls, err := s.State.LoadDeadlines(s.store)
 	if err != nil {
 		return nil, err
@@ -122,13 +122,13 @@ func (s *state1) GetSectorExpiration(num abi.SectorNumber) (*SectorExpiration, e
 	// of the expiration queue.
 	stopErr := errors.New("stop")
 	out := SectorExpiration{}
-	err = dls.ForEach(s.store, func(dlIdx uint64, dl *miner1.Deadline) error {
+	err = dls.ForEach(s.store, func(dlIdx uint64, dl *miner2.Deadline) error {
 		partitions, err := dl.PartitionsArray(s.store)
 		if err != nil {
 			return err
 		}
 		quant := s.State.QuantSpecForDeadline(dlIdx)
-		var part miner1.Partition
+		var part miner2.Partition
 		return partitions.ForEach(&part, func(partIdx int64) error {
 			if found, err := part.Sectors.IsSet(uint64(num)); err != nil {
 				return err
@@ -142,11 +142,11 @@ func (s *state1) GetSectorExpiration(num abi.SectorNumber) (*SectorExpiration, e
 				return stopErr
 			}
 
-			q, err := miner1.LoadExpirationQueue(s.store, part.ExpirationsEpochs, quant)
+			q, err := miner2.LoadExpirationQueue(s.store, part.ExpirationsEpochs, quant)
 			if err != nil {
 				return err
 			}
-			var exp miner1.ExpirationSet
+			var exp miner2.ExpirationSet
 			return q.ForEach(&exp, func(epoch int64) error {
 				if early, err := exp.EarlySectors.IsSet(uint64(num)); err != nil {
 					return err
@@ -176,19 +176,19 @@ func (s *state1) GetSectorExpiration(num abi.SectorNumber) (*SectorExpiration, e
 	return &out, nil
 }
 
-func (s *state1) GetPrecommittedSector(num abi.SectorNumber) (*SectorPreCommitOnChainInfo, error) {
+func (s *state2) GetPrecommittedSector(num abi.SectorNumber) (*SectorPreCommitOnChainInfo, error) {
 	info, ok, err := s.State.GetPrecommittedSector(s.store, num)
 	if !ok || err != nil {
 		return nil, err
 	}
 
-	ret := fromV1SectorPreCommitOnChainInfo(*info)
+	ret := fromV2SectorPreCommitOnChainInfo(*info)
 
 	return &ret, nil
 }
 
-func (s *state1) LoadSectors(snos *bitfield.BitField) ([]*SectorOnChainInfo, error) {
-	sectors, err := miner1.LoadSectors(s.store, s.State.Sectors)
+func (s *state2) LoadSectors(snos *bitfield.BitField) ([]*SectorOnChainInfo, error) {
+	sectors, err := miner2.LoadSectors(s.store, s.State.Sectors)
 	if err != nil {
 		return nil, err
 	}
@@ -196,9 +196,9 @@ func (s *state1) LoadSectors(snos *bitfield.BitField) ([]*SectorOnChainInfo, err
 	// If no sector numbers are specified, load all.
 	if snos == nil {
 		infos := make([]*SectorOnChainInfo, 0, sectors.Length())
-		var info1 miner1.SectorOnChainInfo
-		if err := sectors.ForEach(&info1, func(_ int64) error {
-			info := fromV1SectorOnChainInfo(info1)
+		var info2 miner2.SectorOnChainInfo
+		if err := sectors.ForEach(&info2, func(_ int64) error {
+			info := fromV2SectorOnChainInfo(info2)
 			infos = append(infos, &info)
 			return nil
 		}); err != nil {
@@ -208,19 +208,19 @@ func (s *state1) LoadSectors(snos *bitfield.BitField) ([]*SectorOnChainInfo, err
 	}
 
 	// Otherwise, load selected.
-	infos1, err := sectors.Load(*snos)
+	infos2, err := sectors.Load(*snos)
 	if err != nil {
 		return nil, err
 	}
-	infos := make([]*SectorOnChainInfo, len(infos1))
-	for i, info1 := range infos1 {
-		info := fromV1SectorOnChainInfo(*info1)
+	infos := make([]*SectorOnChainInfo, len(infos2))
+	for i, info2 := range infos2 {
+		info := fromV2SectorOnChainInfo(*info2)
 		infos[i] = &info
 	}
 	return infos, nil
 }
 
-func (s *state1) IsAllocated(num abi.SectorNumber) (bool, error) {
+func (s *state2) IsAllocated(num abi.SectorNumber) (bool, error) {
 	var allocatedSectors bitfield.BitField
 	if err := s.store.Get(s.store.Context(), s.State.AllocatedSectors, &allocatedSectors); err != nil {
 		return false, err
@@ -229,7 +229,7 @@ func (s *state1) IsAllocated(num abi.SectorNumber) (bool, error) {
 	return allocatedSectors.IsSet(uint64(num))
 }
 
-func (s *state1) LoadDeadline(idx uint64) (Deadline, error) {
+func (s *state2) LoadDeadline(idx uint64) (Deadline, error) {
 	dls, err := s.State.LoadDeadlines(s.store)
 	if err != nil {
 		return nil, err
@@ -238,34 +238,34 @@ func (s *state1) LoadDeadline(idx uint64) (Deadline, error) {
 	if err != nil {
 		return nil, err
 	}
-	return &deadline1{*dl, s.store}, nil
+	return &deadline2{*dl, s.store}, nil
 }
 
-func (s *state1) ForEachDeadline(cb func(uint64, Deadline) error) error {
+func (s *state2) 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 *miner1.Deadline) error {
-		return cb(i, &deadline1{*dl, s.store})
+	return dls.ForEach(s.store, func(i uint64, dl *miner2.Deadline) error {
+		return cb(i, &deadline2{*dl, s.store})
 	})
 }
 
-func (s *state1) NumDeadlines() (uint64, error) {
-	return miner1.WPoStPeriodDeadlines, nil
+func (s *state2) NumDeadlines() (uint64, error) {
+	return miner2.WPoStPeriodDeadlines, nil
 }
 
-func (s *state1) DeadlinesChanged(other State) (bool, error) {
-	other1, ok := other.(*state1)
+func (s *state2) DeadlinesChanged(other State) (bool, error) {
+	other2, ok := other.(*state2)
 	if !ok {
 		// treat an upgrade as a change, always
 		return true, nil
 	}
 
-	return s.State.Deadlines.Equals(other1.Deadlines), nil
+	return s.State.Deadlines.Equals(other2.Deadlines), nil
 }
 
-func (s *state1) Info() (MinerInfo, error) {
+func (s *state2) Info() (MinerInfo, error) {
 	info, err := s.State.GetInfo(s.store)
 	if err != nil {
 		return MinerInfo{}, err
@@ -299,105 +299,105 @@ func (s *state1) Info() (MinerInfo, error) {
 	return mi, nil
 }
 
-func (s *state1) DeadlineInfo(epoch abi.ChainEpoch) (*dline.Info, error) {
+func (s *state2) DeadlineInfo(epoch abi.ChainEpoch) (*dline.Info, error) {
 	return s.State.DeadlineInfo(epoch), nil
 }
 
-func (s *state1) sectors() (adt.Array, error) {
-	return adt1.AsArray(s.store, s.Sectors)
+func (s *state2) sectors() (adt.Array, error) {
+	return adt2.AsArray(s.store, s.Sectors)
 }
 
-func (s *state1) decodeSectorOnChainInfo(val *cbg.Deferred) (SectorOnChainInfo, error) {
-	var si miner1.SectorOnChainInfo
+func (s *state2) decodeSectorOnChainInfo(val *cbg.Deferred) (SectorOnChainInfo, error) {
+	var si miner2.SectorOnChainInfo
 	err := si.UnmarshalCBOR(bytes.NewReader(val.Raw))
 	if err != nil {
 		return SectorOnChainInfo{}, err
 	}
 
-	return fromV1SectorOnChainInfo(si), nil
+	return fromV2SectorOnChainInfo(si), nil
 }
 
-func (s *state1) precommits() (adt.Map, error) {
-	return adt1.AsMap(s.store, s.PreCommittedSectors)
+func (s *state2) precommits() (adt.Map, error) {
+	return adt2.AsMap(s.store, s.PreCommittedSectors)
 }
 
-func (s *state1) decodeSectorPreCommitOnChainInfo(val *cbg.Deferred) (SectorPreCommitOnChainInfo, error) {
-	var sp miner1.SectorPreCommitOnChainInfo
+func (s *state2) decodeSectorPreCommitOnChainInfo(val *cbg.Deferred) (SectorPreCommitOnChainInfo, error) {
+	var sp miner2.SectorPreCommitOnChainInfo
 	err := sp.UnmarshalCBOR(bytes.NewReader(val.Raw))
 	if err != nil {
 		return SectorPreCommitOnChainInfo{}, err
 	}
 
-	return fromV1SectorPreCommitOnChainInfo(sp), nil
+	return fromV2SectorPreCommitOnChainInfo(sp), nil
 }
 
-func (d *deadline1) LoadPartition(idx uint64) (Partition, error) {
+func (d *deadline2) LoadPartition(idx uint64) (Partition, error) {
 	p, err := d.Deadline.LoadPartition(d.store, idx)
 	if err != nil {
 		return nil, err
 	}
-	return &partition1{*p, d.store}, nil
+	return &partition2{*p, d.store}, nil
 }
 
-func (d *deadline1) ForEachPartition(cb func(uint64, Partition) error) error {
+func (d *deadline2) ForEachPartition(cb func(uint64, Partition) error) error {
 	ps, err := d.Deadline.PartitionsArray(d.store)
 	if err != nil {
 		return err
 	}
-	var part miner1.Partition
+	var part miner2.Partition
 	return ps.ForEach(&part, func(i int64) error {
-		return cb(uint64(i), &partition1{part, d.store})
+		return cb(uint64(i), &partition2{part, d.store})
 	})
 }
 
-func (d *deadline1) PartitionsChanged(other Deadline) (bool, error) {
-	other1, ok := other.(*deadline1)
+func (d *deadline2) PartitionsChanged(other Deadline) (bool, error) {
+	other2, ok := other.(*deadline2)
 	if !ok {
 		// treat an upgrade as a change, always
 		return true, nil
 	}
 
-	return d.Deadline.Partitions.Equals(other1.Deadline.Partitions), nil
+	return d.Deadline.Partitions.Equals(other2.Deadline.Partitions), nil
 }
 
-func (d *deadline1) PostSubmissions() (bitfield.BitField, error) {
+func (d *deadline2) PostSubmissions() (bitfield.BitField, error) {
 	return d.Deadline.PostSubmissions, nil
 }
 
-func (p *partition1) AllSectors() (bitfield.BitField, error) {
+func (p *partition2) AllSectors() (bitfield.BitField, error) {
 	return p.Partition.Sectors, nil
 }
 
-func (p *partition1) FaultySectors() (bitfield.BitField, error) {
+func (p *partition2) FaultySectors() (bitfield.BitField, error) {
 	return p.Partition.Faults, nil
 }
 
-func (p *partition1) RecoveringSectors() (bitfield.BitField, error) {
+func (p *partition2) RecoveringSectors() (bitfield.BitField, error) {
 	return p.Partition.Recoveries, nil
 }
 
-func fromV1SectorOnChainInfo(v1 miner1.SectorOnChainInfo) SectorOnChainInfo {
+func fromV2SectorOnChainInfo(v2 miner2.SectorOnChainInfo) SectorOnChainInfo {
 	return SectorOnChainInfo{
-		SectorNumber:          v1.SectorNumber,
-		SealProof:             v1.SealProof,
-		SealedCID:             v1.SealedCID,
-		DealIDs:               v1.DealIDs,
-		Activation:            v1.Activation,
-		Expiration:            v1.Expiration,
-		DealWeight:            v1.DealWeight,
-		VerifiedDealWeight:    v1.VerifiedDealWeight,
-		InitialPledge:         v1.InitialPledge,
-		ExpectedDayReward:     v1.ExpectedDayReward,
-		ExpectedStoragePledge: v1.ExpectedStoragePledge,
+		SectorNumber:          v2.SectorNumber,
+		SealProof:             v2.SealProof,
+		SealedCID:             v2.SealedCID,
+		DealIDs:               v2.DealIDs,
+		Activation:            v2.Activation,
+		Expiration:            v2.Expiration,
+		DealWeight:            v2.DealWeight,
+		VerifiedDealWeight:    v2.VerifiedDealWeight,
+		InitialPledge:         v2.InitialPledge,
+		ExpectedDayReward:     v2.ExpectedDayReward,
+		ExpectedStoragePledge: v2.ExpectedStoragePledge,
 	}
 }
 
-func fromV1SectorPreCommitOnChainInfo(v1 miner1.SectorPreCommitOnChainInfo) SectorPreCommitOnChainInfo {
+func fromV2SectorPreCommitOnChainInfo(v2 miner2.SectorPreCommitOnChainInfo) SectorPreCommitOnChainInfo {
 	return SectorPreCommitOnChainInfo{
-		Info:               (SectorPreCommitInfo)(v1.Info),
-		PreCommitDeposit:   v1.PreCommitDeposit,
-		PreCommitEpoch:     v1.PreCommitEpoch,
-		DealWeight:         v1.DealWeight,
-		VerifiedDealWeight: v1.VerifiedDealWeight,
+		Info:               (SectorPreCommitInfo)(v2.Info),
+		PreCommitDeposit:   v2.PreCommitDeposit,
+		PreCommitEpoch:     v2.PreCommitEpoch,
+		DealWeight:         v2.DealWeight,
+		VerifiedDealWeight: v2.VerifiedDealWeight,
 	}
 }
diff --git a/chain/actors/builtin/multisig/multisig.go b/chain/actors/builtin/multisig/multisig.go
index 022e7e2c5..89a7eedad 100644
--- a/chain/actors/builtin/multisig/multisig.go
+++ b/chain/actors/builtin/multisig/multisig.go
@@ -10,7 +10,7 @@ import (
 
 	builtin0 "github.com/filecoin-project/specs-actors/actors/builtin"
 	msig0 "github.com/filecoin-project/specs-actors/actors/builtin/multisig"
-	builtin1 "github.com/filecoin-project/specs-actors/v2/actors/builtin"
+	builtin2 "github.com/filecoin-project/specs-actors/v2/actors/builtin"
 
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/chain/actors/builtin"
@@ -21,8 +21,8 @@ func init() {
 	builtin.RegisterActorState(builtin0.MultisigActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
 		return load0(store, root)
 	})
-	builtin.RegisterActorState(builtin1.MultisigActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
-		return load1(store, root)
+	builtin.RegisterActorState(builtin2.MultisigActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
+		return load2(store, root)
 	})
 }
 
@@ -30,8 +30,8 @@ func Load(store adt.Store, act *types.Actor) (State, error) {
 	switch act.Code {
 	case builtin0.MultisigActorCodeID:
 		return load0(store, act.Head)
-	case builtin1.MultisigActorCodeID:
-		return load1(store, act.Head)
+	case builtin2.MultisigActorCodeID:
+		return load2(store, act.Head)
 	}
 	return nil, xerrors.Errorf("unknown actor code %s", act.Code)
 }
diff --git a/chain/actors/builtin/multisig/v1.go b/chain/actors/builtin/multisig/v2.go
similarity index 55%
rename from chain/actors/builtin/multisig/v1.go
rename to chain/actors/builtin/multisig/v2.go
index 56760cbba..a78b07d55 100644
--- a/chain/actors/builtin/multisig/v1.go
+++ b/chain/actors/builtin/multisig/v2.go
@@ -10,14 +10,14 @@ import (
 
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 
-	msig1 "github.com/filecoin-project/specs-actors/v2/actors/builtin/multisig"
-	adt1 "github.com/filecoin-project/specs-actors/v2/actors/util/adt"
+	msig2 "github.com/filecoin-project/specs-actors/v2/actors/builtin/multisig"
+	adt2 "github.com/filecoin-project/specs-actors/v2/actors/util/adt"
 )
 
-var _ State = (*state1)(nil)
+var _ State = (*state2)(nil)
 
-func load1(store adt.Store, root cid.Cid) (State, error) {
-	out := state1{store: store}
+func load2(store adt.Store, root cid.Cid) (State, error) {
+	out := state2{store: store}
 	err := store.Get(store.Context(), root, &out)
 	if err != nil {
 		return nil, err
@@ -25,41 +25,41 @@ func load1(store adt.Store, root cid.Cid) (State, error) {
 	return &out, nil
 }
 
-type state1 struct {
-	msig1.State
+type state2 struct {
+	msig2.State
 	store adt.Store
 }
 
-func (s *state1) LockedBalance(currEpoch abi.ChainEpoch) (abi.TokenAmount, error) {
+func (s *state2) LockedBalance(currEpoch abi.ChainEpoch) (abi.TokenAmount, error) {
 	return s.State.AmountLocked(currEpoch - s.State.StartEpoch), nil
 }
 
-func (s *state1) StartEpoch() (abi.ChainEpoch, error) {
+func (s *state2) StartEpoch() (abi.ChainEpoch, error) {
 	return s.State.StartEpoch, nil
 }
 
-func (s *state1) UnlockDuration() (abi.ChainEpoch, error) {
+func (s *state2) UnlockDuration() (abi.ChainEpoch, error) {
 	return s.State.UnlockDuration, nil
 }
 
-func (s *state1) InitialBalance() (abi.TokenAmount, error) {
+func (s *state2) InitialBalance() (abi.TokenAmount, error) {
 	return s.State.InitialBalance, nil
 }
 
-func (s *state1) Threshold() (uint64, error) {
+func (s *state2) Threshold() (uint64, error) {
 	return s.State.NumApprovalsThreshold, nil
 }
 
-func (s *state1) Signers() ([]address.Address, error) {
+func (s *state2) Signers() ([]address.Address, error) {
 	return s.State.Signers, nil
 }
 
-func (s *state1) ForEachPendingTxn(cb func(id int64, txn Transaction) error) error {
-	arr, err := adt1.AsMap(s.store, s.State.PendingTxns)
+func (s *state2) ForEachPendingTxn(cb func(id int64, txn Transaction) error) error {
+	arr, err := adt2.AsMap(s.store, s.State.PendingTxns)
 	if err != nil {
 		return err
 	}
-	var out msig1.Transaction
+	var out msig2.Transaction
 	return arr.ForEach(&out, func(key string) error {
 		txid, n := binary.Varint([]byte(key))
 		if n <= 0 {
diff --git a/chain/actors/builtin/paych/paych.go b/chain/actors/builtin/paych/paych.go
index 959968f22..f462de6fd 100644
--- a/chain/actors/builtin/paych/paych.go
+++ b/chain/actors/builtin/paych/paych.go
@@ -11,7 +11,7 @@ import (
 
 	builtin0 "github.com/filecoin-project/specs-actors/actors/builtin"
 	paych0 "github.com/filecoin-project/specs-actors/actors/builtin/paych"
-	builtin1 "github.com/filecoin-project/specs-actors/v2/actors/builtin"
+	builtin2 "github.com/filecoin-project/specs-actors/v2/actors/builtin"
 
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/chain/actors/builtin"
@@ -22,8 +22,8 @@ func init() {
 	builtin.RegisterActorState(builtin0.PaymentChannelActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
 		return load0(store, root)
 	})
-	builtin.RegisterActorState(builtin1.PaymentChannelActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
-		return load1(store, root)
+	builtin.RegisterActorState(builtin2.PaymentChannelActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
+		return load2(store, root)
 	})
 }
 
@@ -32,8 +32,8 @@ func Load(store adt.Store, act *types.Actor) (State, error) {
 	switch act.Code {
 	case builtin0.PaymentChannelActorCodeID:
 		return load0(store, act.Head)
-	case builtin1.PaymentChannelActorCodeID:
-		return load1(store, act.Head)
+	case builtin2.PaymentChannelActorCodeID:
+		return load2(store, act.Head)
 	}
 	return nil, xerrors.Errorf("unknown actor code %s", act.Code)
 }
diff --git a/chain/actors/builtin/paych/v1.go b/chain/actors/builtin/paych/v2.go
similarity index 61%
rename from chain/actors/builtin/paych/v1.go
rename to chain/actors/builtin/paych/v2.go
index c1b47c120..fbf4b9fde 100644
--- a/chain/actors/builtin/paych/v1.go
+++ b/chain/actors/builtin/paych/v2.go
@@ -9,14 +9,14 @@ import (
 
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 
-	paych1 "github.com/filecoin-project/specs-actors/v2/actors/builtin/paych"
-	adt1 "github.com/filecoin-project/specs-actors/v2/actors/util/adt"
+	paych2 "github.com/filecoin-project/specs-actors/v2/actors/builtin/paych"
+	adt2 "github.com/filecoin-project/specs-actors/v2/actors/util/adt"
 )
 
-var _ State = (*state1)(nil)
+var _ State = (*state2)(nil)
 
-func load1(store adt.Store, root cid.Cid) (State, error) {
-	out := state1{store: store}
+func load2(store adt.Store, root cid.Cid) (State, error) {
+	out := state2{store: store}
 	err := store.Get(store.Context(), root, &out)
 	if err != nil {
 		return nil, err
@@ -24,39 +24,39 @@ func load1(store adt.Store, root cid.Cid) (State, error) {
 	return &out, nil
 }
 
-type state1 struct {
-	paych1.State
+type state2 struct {
+	paych2.State
 	store adt.Store
-	lsAmt *adt1.Array
+	lsAmt *adt2.Array
 }
 
 // Channel owner, who has funded the actor
-func (s *state1) From() (address.Address, error) {
+func (s *state2) From() (address.Address, error) {
 	return s.State.From, nil
 }
 
 // Recipient of payouts from channel
-func (s *state1) To() (address.Address, error) {
+func (s *state2) To() (address.Address, error) {
 	return s.State.To, nil
 }
 
 // Height at which the channel can be `Collected`
-func (s *state1) SettlingAt() (abi.ChainEpoch, error) {
+func (s *state2) SettlingAt() (abi.ChainEpoch, error) {
 	return s.State.SettlingAt, nil
 }
 
 // Amount successfully redeemed through the payment channel, paid out on `Collect()`
-func (s *state1) ToSend() (abi.TokenAmount, error) {
+func (s *state2) ToSend() (abi.TokenAmount, error) {
 	return s.State.ToSend, nil
 }
 
-func (s *state1) getOrLoadLsAmt() (*adt1.Array, error) {
+func (s *state2) getOrLoadLsAmt() (*adt2.Array, error) {
 	if s.lsAmt != nil {
 		return s.lsAmt, nil
 	}
 
 	// Get the lane state from the chain
-	lsamt, err := adt1.AsArray(s.store, s.State.LaneStates)
+	lsamt, err := adt2.AsArray(s.store, s.State.LaneStates)
 	if err != nil {
 		return nil, err
 	}
@@ -66,7 +66,7 @@ func (s *state1) getOrLoadLsAmt() (*adt1.Array, error) {
 }
 
 // Get total number of lanes
-func (s *state1) LaneCount() (uint64, error) {
+func (s *state2) LaneCount() (uint64, error) {
 	lsamt, err := s.getOrLoadLsAmt()
 	if err != nil {
 		return 0, err
@@ -75,7 +75,7 @@ func (s *state1) LaneCount() (uint64, error) {
 }
 
 // Iterate lane states
-func (s *state1) ForEachLaneState(cb func(idx uint64, dl LaneState) error) error {
+func (s *state2) ForEachLaneState(cb func(idx uint64, dl LaneState) error) error {
 	// Get the lane state from the chain
 	lsamt, err := s.getOrLoadLsAmt()
 	if err != nil {
@@ -85,20 +85,20 @@ func (s *state1) ForEachLaneState(cb func(idx uint64, dl LaneState) error) error
 	// 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 paych1.LaneState
+	var ls paych2.LaneState
 	return lsamt.ForEach(&ls, func(i int64) error {
-		return cb(uint64(i), &laneState1{ls})
+		return cb(uint64(i), &laneState2{ls})
 	})
 }
 
-type laneState1 struct {
-	paych1.LaneState
+type laneState2 struct {
+	paych2.LaneState
 }
 
-func (ls *laneState1) Redeemed() (big.Int, error) {
+func (ls *laneState2) Redeemed() (big.Int, error) {
 	return ls.LaneState.Redeemed, nil
 }
 
-func (ls *laneState1) Nonce() (uint64, error) {
+func (ls *laneState2) Nonce() (uint64, error) {
 	return ls.LaneState.Nonce, nil
 }
diff --git a/chain/actors/builtin/power/power.go b/chain/actors/builtin/power/power.go
index 9dd61c07e..e683cfd96 100644
--- a/chain/actors/builtin/power/power.go
+++ b/chain/actors/builtin/power/power.go
@@ -13,15 +13,15 @@ import (
 	"github.com/filecoin-project/lotus/chain/types"
 
 	builtin0 "github.com/filecoin-project/specs-actors/actors/builtin"
-	builtin1 "github.com/filecoin-project/specs-actors/v2/actors/builtin"
+	builtin2 "github.com/filecoin-project/specs-actors/v2/actors/builtin"
 )
 
 func init() {
 	builtin.RegisterActorState(builtin0.StoragePowerActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
 		return load0(store, root)
 	})
-	builtin.RegisterActorState(builtin1.StoragePowerActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
-		return load1(store, root)
+	builtin.RegisterActorState(builtin2.StoragePowerActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
+		return load2(store, root)
 	})
 }
 
@@ -31,8 +31,8 @@ func Load(store adt.Store, act *types.Actor) (st State, err error) {
 	switch act.Code {
 	case builtin0.StoragePowerActorCodeID:
 		return load0(store, act.Head)
-	case builtin1.StoragePowerActorCodeID:
-		return load1(store, act.Head)
+	case builtin2.StoragePowerActorCodeID:
+		return load2(store, act.Head)
 	}
 	return nil, xerrors.Errorf("unknown actor code %s", act.Code)
 }
diff --git a/chain/actors/builtin/power/v1.go b/chain/actors/builtin/power/v2.go
similarity index 62%
rename from chain/actors/builtin/power/v1.go
rename to chain/actors/builtin/power/v2.go
index 63c9df547..6346a09b6 100644
--- a/chain/actors/builtin/power/v1.go
+++ b/chain/actors/builtin/power/v2.go
@@ -8,14 +8,14 @@ import (
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/chain/actors/builtin"
 
-	power1 "github.com/filecoin-project/specs-actors/v2/actors/builtin/power"
-	adt1 "github.com/filecoin-project/specs-actors/v2/actors/util/adt"
+	power2 "github.com/filecoin-project/specs-actors/v2/actors/builtin/power"
+	adt2 "github.com/filecoin-project/specs-actors/v2/actors/util/adt"
 )
 
-var _ State = (*state1)(nil)
+var _ State = (*state2)(nil)
 
-func load1(store adt.Store, root cid.Cid) (State, error) {
-	out := state1{store: store}
+func load2(store adt.Store, root cid.Cid) (State, error) {
+	out := state2{store: store}
 	err := store.Get(store.Context(), root, &out)
 	if err != nil {
 		return nil, err
@@ -23,16 +23,16 @@ func load1(store adt.Store, root cid.Cid) (State, error) {
 	return &out, nil
 }
 
-type state1 struct {
-	power1.State
+type state2 struct {
+	power2.State
 	store adt.Store
 }
 
-func (s *state1) TotalLocked() (abi.TokenAmount, error) {
+func (s *state2) TotalLocked() (abi.TokenAmount, error) {
 	return s.TotalPledgeCollateral, nil
 }
 
-func (s *state1) TotalPower() (Claim, error) {
+func (s *state2) TotalPower() (Claim, error) {
 	return Claim{
 		RawBytePower:    s.TotalRawBytePower,
 		QualityAdjPower: s.TotalQualityAdjPower,
@@ -40,19 +40,19 @@ func (s *state1) TotalPower() (Claim, error) {
 }
 
 // Committed power to the network. Includes miners below the minimum threshold.
-func (s *state1) TotalCommitted() (Claim, error) {
+func (s *state2) TotalCommitted() (Claim, error) {
 	return Claim{
 		RawBytePower:    s.TotalBytesCommitted,
 		QualityAdjPower: s.TotalQABytesCommitted,
 	}, nil
 }
 
-func (s *state1) MinerPower(addr address.Address) (Claim, bool, error) {
-	claims, err := adt1.AsMap(s.store, s.Claims)
+func (s *state2) MinerPower(addr address.Address) (Claim, bool, error) {
+	claims, err := adt2.AsMap(s.store, s.Claims)
 	if err != nil {
 		return Claim{}, false, err
 	}
-	var claim power1.Claim
+	var claim power2.Claim
 	ok, err := claims.Get(abi.AddrKey(addr), &claim)
 	if err != nil {
 		return Claim{}, false, err
@@ -63,20 +63,20 @@ func (s *state1) MinerPower(addr address.Address) (Claim, bool, error) {
 	}, ok, nil
 }
 
-func (s *state1) MinerNominalPowerMeetsConsensusMinimum(a address.Address) (bool, error) {
+func (s *state2) MinerNominalPowerMeetsConsensusMinimum(a address.Address) (bool, error) {
 	return s.State.MinerNominalPowerMeetsConsensusMinimum(s.store, a)
 }
 
-func (s *state1) TotalPowerSmoothed() (builtin.FilterEstimate, error) {
-	return builtin.FromV1FilterEstimate(s.State.ThisEpochQAPowerSmoothed), nil
+func (s *state2) TotalPowerSmoothed() (builtin.FilterEstimate, error) {
+	return builtin.FromV2FilterEstimate(s.State.ThisEpochQAPowerSmoothed), nil
 }
 
-func (s *state1) MinerCounts() (uint64, uint64, error) {
+func (s *state2) MinerCounts() (uint64, uint64, error) {
 	return uint64(s.State.MinerAboveMinPowerCount), uint64(s.State.MinerCount), nil
 }
 
-func (s *state1) ListAllMiners() ([]address.Address, error) {
-	claims, err := adt1.AsMap(s.store, s.Claims)
+func (s *state2) ListAllMiners() ([]address.Address, error) {
+	claims, err := adt2.AsMap(s.store, s.Claims)
 	if err != nil {
 		return nil, err
 	}
diff --git a/chain/actors/builtin/reward/reward.go b/chain/actors/builtin/reward/reward.go
index e6d05de46..065f242e2 100644
--- a/chain/actors/builtin/reward/reward.go
+++ b/chain/actors/builtin/reward/reward.go
@@ -8,7 +8,7 @@ import (
 
 	"github.com/filecoin-project/go-state-types/cbor"
 	builtin0 "github.com/filecoin-project/specs-actors/actors/builtin"
-	builtin1 "github.com/filecoin-project/specs-actors/v2/actors/builtin"
+	builtin2 "github.com/filecoin-project/specs-actors/v2/actors/builtin"
 
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/chain/actors/builtin"
@@ -19,8 +19,8 @@ func init() {
 	builtin.RegisterActorState(builtin0.RewardActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
 		return load0(store, root)
 	})
-	builtin.RegisterActorState(builtin1.RewardActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
-		return load1(store, root)
+	builtin.RegisterActorState(builtin2.RewardActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
+		return load2(store, root)
 	})
 }
 
@@ -30,8 +30,8 @@ func Load(store adt.Store, act *types.Actor) (st State, err error) {
 	switch act.Code {
 	case builtin0.RewardActorCodeID:
 		return load0(store, act.Head)
-	case builtin1.RewardActorCodeID:
-		return load1(store, act.Head)
+	case builtin2.RewardActorCodeID:
+		return load2(store, act.Head)
 	}
 	return nil, xerrors.Errorf("unknown actor code %s", act.Code)
 }
diff --git a/chain/actors/builtin/reward/v1.go b/chain/actors/builtin/reward/v2.go
similarity index 56%
rename from chain/actors/builtin/reward/v1.go
rename to chain/actors/builtin/reward/v2.go
index 9f94bbf1d..ec0709c39 100644
--- a/chain/actors/builtin/reward/v1.go
+++ b/chain/actors/builtin/reward/v2.go
@@ -7,15 +7,15 @@ import (
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/chain/actors/builtin"
 
-	miner1 "github.com/filecoin-project/specs-actors/v2/actors/builtin/miner"
-	reward1 "github.com/filecoin-project/specs-actors/v2/actors/builtin/reward"
-	smoothing1 "github.com/filecoin-project/specs-actors/v2/actors/util/smoothing"
+	miner2 "github.com/filecoin-project/specs-actors/v2/actors/builtin/miner"
+	reward2 "github.com/filecoin-project/specs-actors/v2/actors/builtin/reward"
+	smoothing2 "github.com/filecoin-project/specs-actors/v2/actors/util/smoothing"
 )
 
-var _ State = (*state1)(nil)
+var _ State = (*state2)(nil)
 
-func load1(store adt.Store, root cid.Cid) (State, error) {
-	out := state1{store: store}
+func load2(store adt.Store, root cid.Cid) (State, error) {
+	out := state2{store: store}
 	err := store.Get(store.Context(), root, &out)
 	if err != nil {
 		return nil, err
@@ -23,52 +23,52 @@ func load1(store adt.Store, root cid.Cid) (State, error) {
 	return &out, nil
 }
 
-type state1 struct {
-	reward1.State
+type state2 struct {
+	reward2.State
 	store adt.Store
 }
 
-func (s *state1) ThisEpochReward() (abi.StoragePower, error) {
+func (s *state2) ThisEpochReward() (abi.StoragePower, error) {
 	return s.State.ThisEpochReward, nil
 }
 
-func (s *state1) ThisEpochRewardSmoothed() (builtin.FilterEstimate, error) {
+func (s *state2) ThisEpochRewardSmoothed() (builtin.FilterEstimate, error) {
 	return builtin.FilterEstimate{
 		PositionEstimate: s.State.ThisEpochRewardSmoothed.PositionEstimate,
 		VelocityEstimate: s.State.ThisEpochRewardSmoothed.VelocityEstimate,
 	}, nil
 }
 
-func (s *state1) ThisEpochBaselinePower() (abi.StoragePower, error) {
+func (s *state2) ThisEpochBaselinePower() (abi.StoragePower, error) {
 	return s.State.ThisEpochBaselinePower, nil
 }
 
-func (s *state1) TotalStoragePowerReward() (abi.TokenAmount, error) {
+func (s *state2) TotalStoragePowerReward() (abi.TokenAmount, error) {
 	return s.State.TotalStoragePowerReward, nil
 }
 
-func (s *state1) EffectiveBaselinePower() (abi.StoragePower, error) {
+func (s *state2) EffectiveBaselinePower() (abi.StoragePower, error) {
 	return s.State.EffectiveBaselinePower, nil
 }
 
-func (s *state1) EffectiveNetworkTime() (abi.ChainEpoch, error) {
+func (s *state2) EffectiveNetworkTime() (abi.ChainEpoch, error) {
 	return s.State.EffectiveNetworkTime, nil
 }
 
-func (s *state1) CumsumBaseline() (abi.StoragePower, error) {
+func (s *state2) CumsumBaseline() (abi.StoragePower, error) {
 	return s.State.CumsumBaseline, nil
 }
 
-func (s *state1) CumsumRealized() (abi.StoragePower, error) {
+func (s *state2) CumsumRealized() (abi.StoragePower, error) {
 	return s.State.CumsumBaseline, nil
 }
 
-func (s *state1) InitialPledgeForPower(qaPower abi.StoragePower, networkTotalPledge abi.TokenAmount, networkQAPower *builtin.FilterEstimate, circSupply abi.TokenAmount) (abi.TokenAmount, error) {
-	return miner1.InitialPledgeForPower(
+func (s *state2) InitialPledgeForPower(qaPower abi.StoragePower, networkTotalPledge abi.TokenAmount, networkQAPower *builtin.FilterEstimate, circSupply abi.TokenAmount) (abi.TokenAmount, error) {
+	return miner2.InitialPledgeForPower(
 		qaPower,
 		s.State.ThisEpochBaselinePower,
 		s.State.ThisEpochRewardSmoothed,
-		smoothing1.FilterEstimate{
+		smoothing2.FilterEstimate{
 			PositionEstimate: networkQAPower.PositionEstimate,
 			VelocityEstimate: networkQAPower.VelocityEstimate,
 		},
@@ -76,9 +76,9 @@ func (s *state1) InitialPledgeForPower(qaPower abi.StoragePower, networkTotalPle
 	), nil
 }
 
-func (s *state1) PreCommitDepositForPower(networkQAPower builtin.FilterEstimate, sectorWeight abi.StoragePower) (abi.TokenAmount, error) {
-	return miner1.PreCommitDepositForPower(s.State.ThisEpochRewardSmoothed,
-		smoothing1.FilterEstimate{
+func (s *state2) PreCommitDepositForPower(networkQAPower builtin.FilterEstimate, sectorWeight abi.StoragePower) (abi.TokenAmount, error) {
+	return miner2.PreCommitDepositForPower(s.State.ThisEpochRewardSmoothed,
+		smoothing2.FilterEstimate{
 			PositionEstimate: networkQAPower.PositionEstimate,
 			VelocityEstimate: networkQAPower.VelocityEstimate,
 		},
diff --git a/chain/actors/builtin/verifreg/v1.go b/chain/actors/builtin/verifreg/v1.go
deleted file mode 100644
index 0c9e1b139..000000000
--- a/chain/actors/builtin/verifreg/v1.go
+++ /dev/null
@@ -1,44 +0,0 @@
-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"
-
-	verifreg1 "github.com/filecoin-project/specs-actors/v2/actors/builtin/verifreg"
-)
-
-var _ State = (*state1)(nil)
-
-func load1(store adt.Store, root cid.Cid) (State, error) {
-	out := state1{store: store}
-	err := store.Get(store.Context(), root, &out)
-	if err != nil {
-		return nil, err
-	}
-	return &out, nil
-}
-
-type state1 struct {
-	verifreg1.State
-	store adt.Store
-}
-
-func (s *state1) VerifiedClientDataCap(addr address.Address) (bool, abi.StoragePower, error) {
-	return getDataCap(s.store, actors.Version1, s.State.VerifiedClients, addr)
-}
-
-func (s *state1) VerifierDataCap(addr address.Address) (bool, abi.StoragePower, error) {
-	return getDataCap(s.store, actors.Version1, s.State.Verifiers, addr)
-}
-
-func (s *state1) ForEachVerifier(cb func(addr address.Address, dcap abi.StoragePower) error) error {
-	return forEachCap(s.store, actors.Version1, s.State.Verifiers, cb)
-}
-
-func (s *state1) ForEachClient(cb func(addr address.Address, dcap abi.StoragePower) error) error {
-	return forEachCap(s.store, actors.Version1, s.State.VerifiedClients, cb)
-}
diff --git a/chain/actors/builtin/verifreg/v2.go b/chain/actors/builtin/verifreg/v2.go
new file mode 100644
index 000000000..72a781f26
--- /dev/null
+++ b/chain/actors/builtin/verifreg/v2.go
@@ -0,0 +1,44 @@
+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"
+
+	verifreg2 "github.com/filecoin-project/specs-actors/v2/actors/builtin/verifreg"
+)
+
+var _ State = (*state2)(nil)
+
+func load2(store adt.Store, root cid.Cid) (State, error) {
+	out := state2{store: store}
+	err := store.Get(store.Context(), root, &out)
+	if err != nil {
+		return nil, err
+	}
+	return &out, nil
+}
+
+type state2 struct {
+	verifreg2.State
+	store adt.Store
+}
+
+func (s *state2) VerifiedClientDataCap(addr address.Address) (bool, abi.StoragePower, error) {
+	return getDataCap(s.store, actors.Version2, s.State.VerifiedClients, addr)
+}
+
+func (s *state2) VerifierDataCap(addr address.Address) (bool, abi.StoragePower, error) {
+	return getDataCap(s.store, actors.Version2, s.State.Verifiers, addr)
+}
+
+func (s *state2) ForEachVerifier(cb func(addr address.Address, dcap abi.StoragePower) error) error {
+	return forEachCap(s.store, actors.Version2, s.State.Verifiers, cb)
+}
+
+func (s *state2) ForEachClient(cb func(addr address.Address, dcap abi.StoragePower) error) error {
+	return forEachCap(s.store, actors.Version2, s.State.VerifiedClients, cb)
+}
diff --git a/chain/actors/builtin/verifreg/verifreg.go b/chain/actors/builtin/verifreg/verifreg.go
index 86b1c5939..00a492e95 100644
--- a/chain/actors/builtin/verifreg/verifreg.go
+++ b/chain/actors/builtin/verifreg/verifreg.go
@@ -8,7 +8,7 @@ import (
 
 	"github.com/filecoin-project/go-state-types/cbor"
 	builtin0 "github.com/filecoin-project/specs-actors/actors/builtin"
-	builtin1 "github.com/filecoin-project/specs-actors/v2/actors/builtin"
+	builtin2 "github.com/filecoin-project/specs-actors/v2/actors/builtin"
 
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/chain/actors/builtin"
@@ -19,8 +19,8 @@ func init() {
 	builtin.RegisterActorState(builtin0.VerifiedRegistryActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
 		return load0(store, root)
 	})
-	builtin.RegisterActorState(builtin1.VerifiedRegistryActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
-		return load1(store, root)
+	builtin.RegisterActorState(builtin2.VerifiedRegistryActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
+		return load2(store, root)
 	})
 }
 
@@ -30,8 +30,8 @@ func Load(store adt.Store, act *types.Actor) (State, error) {
 	switch act.Code {
 	case builtin0.VerifiedRegistryActorCodeID:
 		return load0(store, act.Head)
-	case builtin1.VerifiedRegistryActorCodeID:
-		return load1(store, act.Head)
+	case builtin2.VerifiedRegistryActorCodeID:
+		return load2(store, act.Head)
 	}
 	return nil, xerrors.Errorf("unknown actor code %s", act.Code)
 }
diff --git a/chain/actors/version.go b/chain/actors/version.go
index 6242ad738..2173a320d 100644
--- a/chain/actors/version.go
+++ b/chain/actors/version.go
@@ -9,8 +9,8 @@ import (
 type Version int
 
 const (
-	Version0 = iota
-	Version1
+	Version0 = 0
+	Version2 = 2
 )
 
 // Converts a network version into an actors adt version.
diff --git a/chain/state/statetree.go b/chain/state/statetree.go
index 7a2e70cdc..fcb7ffbaa 100644
--- a/chain/state/statetree.go
+++ b/chain/state/statetree.go
@@ -125,7 +125,7 @@ func NewStateTree(cst cbor.IpldStore, version actors.Version) (*StateTree, error
 	switch version {
 	case actors.Version0:
 		// info is undefined
-	case actors.Version1:
+	case actors.Version2:
 		var err error
 		info, err = cst.Put(context.TODO(), new(types.StateInfo))
 		if err != nil {
@@ -165,7 +165,7 @@ func LoadStateTree(cst cbor.IpldStore, c cid.Cid) (*StateTree, error) {
 	}
 
 	switch root.Version {
-	case actors.Version0, actors.Version1:
+	case actors.Version0, actors.Version2:
 		// supported
 	default:
 		return nil, xerrors.Errorf("unsupported state tree version: %d", root.Version)
diff --git a/chain/stmgr/utils.go b/chain/stmgr/utils.go
index 19a3246a7..6ed94775b 100644
--- a/chain/stmgr/utils.go
+++ b/chain/stmgr/utils.go
@@ -21,7 +21,7 @@ import (
 
 	builtin0 "github.com/filecoin-project/specs-actors/actors/builtin"
 	exported0 "github.com/filecoin-project/specs-actors/actors/builtin/exported"
-	exported1 "github.com/filecoin-project/specs-actors/actors/builtin/exported"
+	exported2 "github.com/filecoin-project/specs-actors/actors/builtin/exported"
 	proof0 "github.com/filecoin-project/specs-actors/actors/runtime/proof"
 
 	"github.com/filecoin-project/lotus/api"
@@ -530,14 +530,14 @@ func init() {
 	// TODO: combine with the runtime actor registry.
 	var actors []rt.VMActor
 	actors = append(actors, exported0.BuiltinActors()...)
-	actors = append(actors, exported1.BuiltinActors()...)
+	actors = append(actors, exported2.BuiltinActors()...)
 
 	for _, actor := range actors {
 		exports := actor.Exports()
 		methods := make(map[abi.MethodNum]MethodMeta, len(exports))
 
 		// Explicitly add send, it's special.
-		// Note that builtin1.MethodSend = builtin0.MethodSend = 0.
+		// Note that builtin2.MethodSend = builtin0.MethodSend = 0.
 		methods[builtin0.MethodSend] = MethodMeta{
 			Name:   "Send",
 			Params: reflect.TypeOf(new(abi.EmptyValue)),
@@ -563,10 +563,10 @@ func init() {
 
 			switch abi.MethodNum(number) {
 			case builtin0.MethodSend:
-				// Note that builtin1.MethodSend = builtin0.MethodSend = 0.
+				// Note that builtin2.MethodSend = builtin0.MethodSend = 0.
 				panic("method 0 is reserved for Send")
 			case builtin0.MethodConstructor:
-				// Note that builtin1.MethodConstructor = builtin0.MethodConstructor = 1.
+				// Note that builtin2.MethodConstructor = builtin0.MethodConstructor = 1.
 				if fnName != "Constructor" {
 					panic("method 1 is reserved for Constructor")
 				}
diff --git a/chain/vm/invoker.go b/chain/vm/invoker.go
index 1f3db3ee9..65ef73cfc 100644
--- a/chain/vm/invoker.go
+++ b/chain/vm/invoker.go
@@ -11,7 +11,7 @@ import (
 	"golang.org/x/xerrors"
 
 	exported0 "github.com/filecoin-project/specs-actors/actors/builtin/exported"
-	exported1 "github.com/filecoin-project/specs-actors/v2/actors/builtin/exported"
+	exported2 "github.com/filecoin-project/specs-actors/v2/actors/builtin/exported"
 	vmr "github.com/filecoin-project/specs-actors/v2/actors/runtime"
 
 	"github.com/filecoin-project/go-state-types/abi"
@@ -57,7 +57,7 @@ func NewActorRegistry() *ActorRegistry {
 
 	// add builtInCode using: register(cid, singleton)
 	inv.Register(ActorsVersionPredicate(actors.Version0), exported0.BuiltinActors()...)
-	inv.Register(ActorsVersionPredicate(actors.Version1), exported1.BuiltinActors()...)
+	inv.Register(ActorsVersionPredicate(actors.Version2), exported2.BuiltinActors()...)
 
 	return inv
 }
diff --git a/chain/vm/mkactor.go b/chain/vm/mkactor.go
index 26e8c3ba1..33884368f 100644
--- a/chain/vm/mkactor.go
+++ b/chain/vm/mkactor.go
@@ -11,7 +11,7 @@ import (
 	cbor "github.com/ipfs/go-ipld-cbor"
 
 	builtin0 "github.com/filecoin-project/specs-actors/actors/builtin"
-	builtin1 "github.com/filecoin-project/specs-actors/v2/actors/builtin"
+	builtin2 "github.com/filecoin-project/specs-actors/v2/actors/builtin"
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/lotus/chain/actors/aerrors"
@@ -87,8 +87,8 @@ func newAccountActor(ver actors.Version) *types.Actor {
 	switch ver {
 	case actors.Version0:
 		code = builtin0.AccountActorCodeID
-	case actors.Version1:
-		code = builtin1.AccountActorCodeID
+	case actors.Version2:
+		code = builtin2.AccountActorCodeID
 	default:
 		panic("unsupported actors version")
 	}
diff --git a/cmd/lotus-chainwatch/processor/common_actors.go b/cmd/lotus-chainwatch/processor/common_actors.go
index 4b8d124e2..0f2c0d2ea 100644
--- a/cmd/lotus-chainwatch/processor/common_actors.go
+++ b/cmd/lotus-chainwatch/processor/common_actors.go
@@ -11,7 +11,7 @@ import (
 	"github.com/filecoin-project/go-state-types/abi"
 	"github.com/ipfs/go-cid"
 
-	builtin1 "github.com/filecoin-project/specs-actors/v2/actors/builtin"
+	builtin2 "github.com/filecoin-project/specs-actors/v2/actors/builtin"
 
 	"github.com/filecoin-project/lotus/chain/actors/builtin"
 	_init "github.com/filecoin-project/lotus/chain/actors/builtin/init"
@@ -138,15 +138,15 @@ func (p Processor) storeActorAddresses(ctx context.Context, actors map[cid.Cid]A
 
 	addressToID := map[address.Address]address.Address{}
 	// HACK until genesis storage is figured out:
-	addressToID[builtin1.SystemActorAddr] = builtin1.SystemActorAddr
-	addressToID[builtin1.InitActorAddr] = builtin1.InitActorAddr
-	addressToID[builtin1.RewardActorAddr] = builtin1.RewardActorAddr
-	addressToID[builtin1.CronActorAddr] = builtin1.CronActorAddr
-	addressToID[builtin1.StoragePowerActorAddr] = builtin1.StoragePowerActorAddr
-	addressToID[builtin1.StorageMarketActorAddr] = builtin1.StorageMarketActorAddr
-	addressToID[builtin1.VerifiedRegistryActorAddr] = builtin1.VerifiedRegistryActorAddr
-	addressToID[builtin1.BurntFundsActorAddr] = builtin1.BurntFundsActorAddr
-	initActor, err := p.node.StateGetActor(ctx, builtin1.InitActorAddr, types.EmptyTSK)
+	addressToID[builtin2.SystemActorAddr] = builtin2.SystemActorAddr
+	addressToID[builtin2.InitActorAddr] = builtin2.InitActorAddr
+	addressToID[builtin2.RewardActorAddr] = builtin2.RewardActorAddr
+	addressToID[builtin2.CronActorAddr] = builtin2.CronActorAddr
+	addressToID[builtin2.StoragePowerActorAddr] = builtin2.StoragePowerActorAddr
+	addressToID[builtin2.StorageMarketActorAddr] = builtin2.StorageMarketActorAddr
+	addressToID[builtin2.VerifiedRegistryActorAddr] = builtin2.VerifiedRegistryActorAddr
+	addressToID[builtin2.BurntFundsActorAddr] = builtin2.BurntFundsActorAddr
+	initActor, err := p.node.StateGetActor(ctx, builtin2.InitActorAddr, types.EmptyTSK)
 	if err != nil {
 		return err
 	}
diff --git a/journal/registry_test.go b/journal/registry_test.go
index 9d2085c12..bce3d3f17 100644
--- a/journal/registry_test.go
+++ b/journal/registry_test.go
@@ -14,7 +14,7 @@ func TestDisabledEvents(t *testing.T) {
 			registry := NewEventTypeRegistry(dis)
 
 			reg1 := registry.RegisterEventType("system1", "disabled1")
-			reg2 := registry.RegisterEventType("system2", "disabled2")
+			reg2 := registry.RegisterEventType("system1", "disabled2")
 
 			req.False(reg1.Enabled())
 			req.False(reg2.Enabled())
@@ -29,21 +29,21 @@ func TestDisabledEvents(t *testing.T) {
 
 	t.Run("direct", test(DisabledEvents{
 		EventType{System: "system1", Event: "disabled1"},
-		EventType{System: "system2", Event: "disabled2"},
+		EventType{System: "system1", Event: "disabled2"},
 	}))
 
-	dis, err := ParseDisabledEvents("system1:disabled1,system2:disabled2")
+	dis, err := ParseDisabledEvents("system1:disabled1,system1:disabled2")
 	req.NoError(err)
 
 	t.Run("parsed", test(dis))
 
-	dis, err = ParseDisabledEvents("  system1:disabled1 , system2:disabled2  ")
+	dis, err = ParseDisabledEvents("  system1:disabled1 , system1:disabled2  ")
 	req.NoError(err)
 
 	t.Run("parsed_spaces", test(dis))
 }
 
 func TestParseDisableEvents(t *testing.T) {
-	_, err := ParseDisabledEvents("system1:disabled1:failed,system2:disabled2")
+	_, err := ParseDisabledEvents("system1:disabled1:failed,system1:disabled2")
 	require.Error(t, err)
 }
diff --git a/journal/types.go b/journal/types.go
index 56c7d4bc0..5b51ed4c8 100644
--- a/journal/types.go
+++ b/journal/types.go
@@ -22,7 +22,7 @@ var (
 // DisabledEvents is the set of event types whose journaling is suppressed.
 type DisabledEvents []EventType
 
-// ParseDisabledEvents parses a string of the form: "system1:event1,system2:event2[,...]"
+// ParseDisabledEvents parses a string of the form: "system1:event1,system1:event2[,...]"
 // into a DisabledEvents object, returning an error if the string failed to parse.
 //
 // It sanitizes strings via strings.TrimSpace.