refactor: add inspection methods to actor gen interface

- adds the following methods to all generated actor interfaces:
  - Code() cid.Cid
  - ActorKey() string
  - ActorVersion() actorstypes.Version
  - AllCodes() []cid.Cid

chain/actors/builtin/account/account.go

@@ -1,6 +1,7 @@
 package account
 
 import (
+	"github.com/ipfs/go-cid"
 	"golang.org/x/xerrors"
 
 	"github.com/filecoin-project/go-address"
@@ -104,6 +105,24 @@ func MakeState(store adt.Store, av actorstypes.Version, addr address.Address) (S
 type State interface {
 	cbor.Marshaler
 
+	Code() cid.Cid
+	ActorKey() string
+	ActorVersion() actorstypes.Version
+
 	PubkeyAddress() (address.Address, error)
 	GetState() interface{}
 }
+
+func AllCodes() []cid.Cid {
+	return []cid.Cid{
+		(&state0{}).Code(),
+		(&state2{}).Code(),
+		(&state3{}).Code(),
+		(&state4{}).Code(),
+		(&state5{}).Code(),
+		(&state6{}).Code(),
+		(&state7{}).Code(),
+		(&state8{}).Code(),
+		(&state9{}).Code(),
+	}
+}

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

@@ -1,6 +1,7 @@
 package account
 
 import (
+	"github.com/ipfs/go-cid"
 	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	"github.com/filecoin-project/lotus/chain/actors"
 	"golang.org/x/xerrors"
@@ -62,6 +63,17 @@ func MakeState(store adt.Store, av actorstypes.Version, addr address.Address) (S
 type State interface {
 	cbor.Marshaler
 
+    Code() cid.Cid
+    ActorKey() string
+    ActorVersion() actorstypes.Version
+
 	PubkeyAddress() (address.Address, error)
 	GetState() interface{}
 }
+
+func AllCodes() []cid.Cid {
+	return []cid.Cid{ {{range .versions}}
+        (&state{{.}}{}).Code(),
+    {{- end}}
+    }
+}

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

@@ -1,10 +1,14 @@
 package account
 
 import (
+    "fmt"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
+
 	"github.com/filecoin-project/go-address"
 	"github.com/ipfs/go-cid"
 
 	"github.com/filecoin-project/lotus/chain/actors/adt"
+	"github.com/filecoin-project/lotus/chain/actors"
 
 {{if (le .v 7)}}
 	account{{.v}} "github.com/filecoin-project/specs-actors{{.import}}actors/builtin/account"
@@ -42,3 +46,20 @@ func (s *state{{.v}}) PubkeyAddress() (address.Address, error) {
 func (s *state{{.v}}) GetState() interface{} {
 	return &s.State
 }
+
+func (s *state{{.v}}) ActorKey() string {
+    return actors.AccountKey
+}
+
+func (s *state{{.v}}) ActorVersion() actorstypes.Version {
+    return actorstypes.Version{{.v}}
+}
+
+func (s *state{{.v}}) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/account/v0.go

@@ -1,11 +1,15 @@
 package account
 
 import (
+	"fmt"
+
 	"github.com/ipfs/go-cid"
 
 	"github.com/filecoin-project/go-address"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	account0 "github.com/filecoin-project/specs-actors/actors/builtin/account"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -38,3 +42,20 @@ func (s *state0) PubkeyAddress() (address.Address, error) {
 func (s *state0) GetState() interface{} {
 	return &s.State
 }
+
+func (s *state0) ActorKey() string {
+	return actors.AccountKey
+}
+
+func (s *state0) ActorVersion() actorstypes.Version {
+	return actorstypes.Version0
+}
+
+func (s *state0) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/account/v2.go

@@ -1,11 +1,15 @@
 package account
 
 import (
+	"fmt"
+
 	"github.com/ipfs/go-cid"
 
 	"github.com/filecoin-project/go-address"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	account2 "github.com/filecoin-project/specs-actors/v2/actors/builtin/account"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -38,3 +42,20 @@ func (s *state2) PubkeyAddress() (address.Address, error) {
 func (s *state2) GetState() interface{} {
 	return &s.State
 }
+
+func (s *state2) ActorKey() string {
+	return actors.AccountKey
+}
+
+func (s *state2) ActorVersion() actorstypes.Version {
+	return actorstypes.Version2
+}
+
+func (s *state2) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/account/v3.go

@@ -1,11 +1,15 @@
 package account
 
 import (
+	"fmt"
+
 	"github.com/ipfs/go-cid"
 
 	"github.com/filecoin-project/go-address"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	account3 "github.com/filecoin-project/specs-actors/v3/actors/builtin/account"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -38,3 +42,20 @@ func (s *state3) PubkeyAddress() (address.Address, error) {
 func (s *state3) GetState() interface{} {
 	return &s.State
 }
+
+func (s *state3) ActorKey() string {
+	return actors.AccountKey
+}
+
+func (s *state3) ActorVersion() actorstypes.Version {
+	return actorstypes.Version3
+}
+
+func (s *state3) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/account/v4.go

@@ -1,11 +1,15 @@
 package account
 
 import (
+	"fmt"
+
 	"github.com/ipfs/go-cid"
 
 	"github.com/filecoin-project/go-address"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	account4 "github.com/filecoin-project/specs-actors/v4/actors/builtin/account"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -38,3 +42,20 @@ func (s *state4) PubkeyAddress() (address.Address, error) {
 func (s *state4) GetState() interface{} {
 	return &s.State
 }
+
+func (s *state4) ActorKey() string {
+	return actors.AccountKey
+}
+
+func (s *state4) ActorVersion() actorstypes.Version {
+	return actorstypes.Version4
+}
+
+func (s *state4) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/account/v5.go

@@ -1,11 +1,15 @@
 package account
 
 import (
+	"fmt"
+
 	"github.com/ipfs/go-cid"
 
 	"github.com/filecoin-project/go-address"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	account5 "github.com/filecoin-project/specs-actors/v5/actors/builtin/account"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -38,3 +42,20 @@ func (s *state5) PubkeyAddress() (address.Address, error) {
 func (s *state5) GetState() interface{} {
 	return &s.State
 }
+
+func (s *state5) ActorKey() string {
+	return actors.AccountKey
+}
+
+func (s *state5) ActorVersion() actorstypes.Version {
+	return actorstypes.Version5
+}
+
+func (s *state5) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/account/v6.go

@@ -1,11 +1,15 @@
 package account
 
 import (
+	"fmt"
+
 	"github.com/ipfs/go-cid"
 
 	"github.com/filecoin-project/go-address"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	account6 "github.com/filecoin-project/specs-actors/v6/actors/builtin/account"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -38,3 +42,20 @@ func (s *state6) PubkeyAddress() (address.Address, error) {
 func (s *state6) GetState() interface{} {
 	return &s.State
 }
+
+func (s *state6) ActorKey() string {
+	return actors.AccountKey
+}
+
+func (s *state6) ActorVersion() actorstypes.Version {
+	return actorstypes.Version6
+}
+
+func (s *state6) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/account/v7.go

@@ -1,11 +1,15 @@
 package account
 
 import (
+	"fmt"
+
 	"github.com/ipfs/go-cid"
 
 	"github.com/filecoin-project/go-address"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	account7 "github.com/filecoin-project/specs-actors/v7/actors/builtin/account"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -38,3 +42,20 @@ func (s *state7) PubkeyAddress() (address.Address, error) {
 func (s *state7) GetState() interface{} {
 	return &s.State
 }
+
+func (s *state7) ActorKey() string {
+	return actors.AccountKey
+}
+
+func (s *state7) ActorVersion() actorstypes.Version {
+	return actorstypes.Version7
+}
+
+func (s *state7) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/account/v8.go

@@ -1,11 +1,15 @@
 package account
 
 import (
+	"fmt"
+
 	"github.com/ipfs/go-cid"
 
 	"github.com/filecoin-project/go-address"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	account8 "github.com/filecoin-project/go-state-types/builtin/v8/account"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -38,3 +42,20 @@ func (s *state8) PubkeyAddress() (address.Address, error) {
 func (s *state8) GetState() interface{} {
 	return &s.State
 }
+
+func (s *state8) ActorKey() string {
+	return actors.AccountKey
+}
+
+func (s *state8) ActorVersion() actorstypes.Version {
+	return actorstypes.Version8
+}
+
+func (s *state8) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/account/v9.go

@@ -1,11 +1,15 @@
 package account
 
 import (
+	"fmt"
+
 	"github.com/ipfs/go-cid"
 
 	"github.com/filecoin-project/go-address"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	account9 "github.com/filecoin-project/go-state-types/builtin/v9/account"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -38,3 +42,20 @@ func (s *state9) PubkeyAddress() (address.Address, error) {
 func (s *state9) GetState() interface{} {
 	return &s.State
 }
+
+func (s *state9) ActorKey() string {
+	return actors.AccountKey
+}
+
+func (s *state9) ActorVersion() actorstypes.Version {
+	return actorstypes.Version9
+}
+
+func (s *state9) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

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

@@ -1,6 +1,7 @@
 package cron
 
 import (
+	"github.com/ipfs/go-cid"
 	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
@@ -60,5 +61,16 @@ var (
 
 
 type State interface {
+    Code() cid.Cid
+    ActorKey() string
+    ActorVersion() actorstypes.Version
+
 	GetState() interface{}
 }
+
+func AllCodes() []cid.Cid {
+	return []cid.Cid{ {{range .versions}}
+        (&state{{.}}{}).Code(),
+    {{- end}}
+    }
+}

chain/actors/builtin/cron/cron.go

@@ -1,6 +1,7 @@
 package cron
 
 import (
+	"github.com/ipfs/go-cid"
 	"golang.org/x/xerrors"
 
 	actorstypes "github.com/filecoin-project/go-state-types/actors"
@@ -103,5 +104,23 @@ var (
 )
 
 type State interface {
+	Code() cid.Cid
+	ActorKey() string
+	ActorVersion() actorstypes.Version
+
 	GetState() interface{}
 }
+
+func AllCodes() []cid.Cid {
+	return []cid.Cid{
+		(&state0{}).Code(),
+		(&state2{}).Code(),
+		(&state3{}).Code(),
+		(&state4{}).Code(),
+		(&state5{}).Code(),
+		(&state6{}).Code(),
+		(&state7{}).Code(),
+		(&state8{}).Code(),
+		(&state9{}).Code(),
+	}
+}

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

@@ -1,9 +1,12 @@
 package cron
 
 import (
+    "fmt"
 	"github.com/ipfs/go-cid"
 
 	"github.com/filecoin-project/lotus/chain/actors/adt"
+	"github.com/filecoin-project/lotus/chain/actors"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 
 {{if (le .v 7)}}
 	cron{{.v}} "github.com/filecoin-project/specs-actors{{.import}}actors/builtin/cron"
@@ -37,3 +40,20 @@ type state{{.v}} struct {
 func (s *state{{.v}}) GetState() interface{} {
 	return &s.State
 }
+
+func (s *state{{.v}}) ActorKey() string {
+    return actors.CronKey
+}
+
+func (s *state{{.v}}) ActorVersion() actorstypes.Version {
+    return actorstypes.Version{{.v}}
+}
+
+func (s *state{{.v}}) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/cron/v0.go

@@ -1,10 +1,14 @@
 package cron
 
 import (
+	"fmt"
+
 	"github.com/ipfs/go-cid"
 
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	cron0 "github.com/filecoin-project/specs-actors/actors/builtin/cron"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -33,3 +37,20 @@ type state0 struct {
 func (s *state0) GetState() interface{} {
 	return &s.State
 }
+
+func (s *state0) ActorKey() string {
+	return actors.CronKey
+}
+
+func (s *state0) ActorVersion() actorstypes.Version {
+	return actorstypes.Version0
+}
+
+func (s *state0) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/cron/v2.go

@@ -1,10 +1,14 @@
 package cron
 
 import (
+	"fmt"
+
 	"github.com/ipfs/go-cid"
 
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	cron2 "github.com/filecoin-project/specs-actors/v2/actors/builtin/cron"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -33,3 +37,20 @@ type state2 struct {
 func (s *state2) GetState() interface{} {
 	return &s.State
 }
+
+func (s *state2) ActorKey() string {
+	return actors.CronKey
+}
+
+func (s *state2) ActorVersion() actorstypes.Version {
+	return actorstypes.Version2
+}
+
+func (s *state2) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/cron/v3.go

@@ -1,10 +1,14 @@
 package cron
 
 import (
+	"fmt"
+
 	"github.com/ipfs/go-cid"
 
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	cron3 "github.com/filecoin-project/specs-actors/v3/actors/builtin/cron"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -33,3 +37,20 @@ type state3 struct {
 func (s *state3) GetState() interface{} {
 	return &s.State
 }
+
+func (s *state3) ActorKey() string {
+	return actors.CronKey
+}
+
+func (s *state3) ActorVersion() actorstypes.Version {
+	return actorstypes.Version3
+}
+
+func (s *state3) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/cron/v4.go

@@ -1,10 +1,14 @@
 package cron
 
 import (
+	"fmt"
+
 	"github.com/ipfs/go-cid"
 
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	cron4 "github.com/filecoin-project/specs-actors/v4/actors/builtin/cron"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -33,3 +37,20 @@ type state4 struct {
 func (s *state4) GetState() interface{} {
 	return &s.State
 }
+
+func (s *state4) ActorKey() string {
+	return actors.CronKey
+}
+
+func (s *state4) ActorVersion() actorstypes.Version {
+	return actorstypes.Version4
+}
+
+func (s *state4) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/cron/v5.go

@@ -1,10 +1,14 @@
 package cron
 
 import (
+	"fmt"
+
 	"github.com/ipfs/go-cid"
 
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	cron5 "github.com/filecoin-project/specs-actors/v5/actors/builtin/cron"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -33,3 +37,20 @@ type state5 struct {
 func (s *state5) GetState() interface{} {
 	return &s.State
 }
+
+func (s *state5) ActorKey() string {
+	return actors.CronKey
+}
+
+func (s *state5) ActorVersion() actorstypes.Version {
+	return actorstypes.Version5
+}
+
+func (s *state5) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/cron/v6.go

@@ -1,10 +1,14 @@
 package cron
 
 import (
+	"fmt"
+
 	"github.com/ipfs/go-cid"
 
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	cron6 "github.com/filecoin-project/specs-actors/v6/actors/builtin/cron"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -33,3 +37,20 @@ type state6 struct {
 func (s *state6) GetState() interface{} {
 	return &s.State
 }
+
+func (s *state6) ActorKey() string {
+	return actors.CronKey
+}
+
+func (s *state6) ActorVersion() actorstypes.Version {
+	return actorstypes.Version6
+}
+
+func (s *state6) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/cron/v7.go

@@ -1,10 +1,14 @@
 package cron
 
 import (
+	"fmt"
+
 	"github.com/ipfs/go-cid"
 
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	cron7 "github.com/filecoin-project/specs-actors/v7/actors/builtin/cron"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -33,3 +37,20 @@ type state7 struct {
 func (s *state7) GetState() interface{} {
 	return &s.State
 }
+
+func (s *state7) ActorKey() string {
+	return actors.CronKey
+}
+
+func (s *state7) ActorVersion() actorstypes.Version {
+	return actorstypes.Version7
+}
+
+func (s *state7) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/cron/v8.go

@@ -1,10 +1,14 @@
 package cron
 
 import (
+	"fmt"
+
 	"github.com/ipfs/go-cid"
 
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	cron8 "github.com/filecoin-project/go-state-types/builtin/v8/cron"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -33,3 +37,20 @@ type state8 struct {
 func (s *state8) GetState() interface{} {
 	return &s.State
 }
+
+func (s *state8) ActorKey() string {
+	return actors.CronKey
+}
+
+func (s *state8) ActorVersion() actorstypes.Version {
+	return actorstypes.Version8
+}
+
+func (s *state8) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/cron/v9.go

@@ -1,10 +1,14 @@
 package cron
 
 import (
+	"fmt"
+
 	"github.com/ipfs/go-cid"
 
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	cron9 "github.com/filecoin-project/go-state-types/builtin/v9/cron"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -33,3 +37,20 @@ type state9 struct {
 func (s *state9) GetState() interface{} {
 	return &s.State
 }
+
+func (s *state9) ActorKey() string {
+	return actors.CronKey
+}
+
+func (s *state9) ActorVersion() actorstypes.Version {
+	return actorstypes.Version9
+}
+
+func (s *state9) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

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

@@ -3,6 +3,8 @@ package datacap
 import (
     "golang.org/x/xerrors"
 
+	"github.com/ipfs/go-cid"
+
     "github.com/filecoin-project/go-address"
     "github.com/filecoin-project/go-state-types/abi"
     actorstypes "github.com/filecoin-project/go-state-types/actors"
@@ -50,8 +52,19 @@ func MakeState(store adt.Store, av actorstypes.Version, governor address.Address
 type State interface {
 	cbor.Marshaler
 
+    Code() cid.Cid
+    ActorKey() string
+    ActorVersion() actorstypes.Version
+
 	ForEachClient(func(addr address.Address, dcap abi.StoragePower) error) error
 	VerifiedClientDataCap(address.Address) (bool, abi.StoragePower, error)
 	Governor() (address.Address, error)
 	GetState() interface{}
 }
+
+func AllCodes() []cid.Cid {
+	return []cid.Cid{ {{range .versions}}
+        (&state{{.}}{}).Code(),
+    {{- end}}
+    }
+}

chain/actors/builtin/datacap/datacap.go

@@ -1,6 +1,7 @@
 package datacap
 
 import (
+	"github.com/ipfs/go-cid"
 	"golang.org/x/xerrors"
 
 	"github.com/filecoin-project/go-address"
@@ -51,8 +52,18 @@ func MakeState(store adt.Store, av actorstypes.Version, governor address.Address
 type State interface {
 	cbor.Marshaler
 
+	Code() cid.Cid
+	ActorKey() string
+	ActorVersion() actorstypes.Version
+
 	ForEachClient(func(addr address.Address, dcap abi.StoragePower) error) error
 	VerifiedClientDataCap(address.Address) (bool, abi.StoragePower, error)
 	Governor() (address.Address, error)
 	GetState() interface{}
 }
+
+func AllCodes() []cid.Cid {
+	return []cid.Cid{
+		(&state9{}).Code(),
+	}
+}

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

@@ -1,12 +1,14 @@
 package datacap
 
 import (
+    "fmt"
 	"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"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 
 	datacap{{.v}} "github.com/filecoin-project/go-state-types/builtin{{.import}}datacap"
 	adt{{.v}} "github.com/filecoin-project/go-state-types/builtin{{.import}}util/adt"
@@ -59,3 +61,20 @@ func (s *state{{.v}}) verifiedClients() (adt.Map, error) {
 func (s *state{{.v}}) VerifiedClientDataCap(addr address.Address) (bool, abi.StoragePower, error) {
 	return getDataCap(s.store, actors.Version{{.v}}, s.verifiedClients, addr)
 }
+
+func (s *state{{.v}}) ActorKey() string {
+    return actors.DatacapKey
+}
+
+func (s *state{{.v}}) ActorVersion() actorstypes.Version {
+    return actorstypes.Version{{.v}}
+}
+
+func (s *state{{.v}}) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/datacap/v9.go

@@ -1,10 +1,13 @@
 package datacap
 
 import (
+	"fmt"
+
 	"github.com/ipfs/go-cid"
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	datacap9 "github.com/filecoin-project/go-state-types/builtin/v9/datacap"
 	adt9 "github.com/filecoin-project/go-state-types/builtin/v9/util/adt"
 
@@ -59,3 +62,20 @@ func (s *state9) verifiedClients() (adt.Map, error) {
 func (s *state9) VerifiedClientDataCap(addr address.Address) (bool, abi.StoragePower, error) {
 	return getDataCap(s.store, actors.Version9, s.verifiedClients, addr)
 }
+
+func (s *state9) ActorKey() string {
+	return actors.DatacapKey
+}
+
+func (s *state9) ActorVersion() actorstypes.Version {
+	return actorstypes.Version9
+}
+
+func (s *state9) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

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

@@ -67,6 +67,10 @@ func MakeState(store adt.Store, av actorstypes.Version, networkName string) (Sta
 type State interface {
 	cbor.Marshaler
 
+    Code() cid.Cid
+    ActorKey() string
+    ActorVersion() actorstypes.Version
+
 	ResolveAddress(address address.Address) (address.Address, bool, error)
 	MapAddressToNewID(address address.Address) (address.Address, error)
 	NetworkName() (dtypes.NetworkName, error)
@@ -93,3 +97,10 @@ type State interface {
 	AddressMapBitWidth() int
 	AddressMapHashFunction() func(input []byte) []byte
 }
+
+func AllCodes() []cid.Cid {
+	return []cid.Cid{ {{range .versions}}
+        (&state{{.}}{}).Code(),
+    {{- end}}
+    }
+}

chain/actors/builtin/init/init.go

@@ -110,6 +110,10 @@ func MakeState(store adt.Store, av actorstypes.Version, networkName string) (Sta
 type State interface {
 	cbor.Marshaler
 
+	Code() cid.Cid
+	ActorKey() string
+	ActorVersion() actorstypes.Version
+
 	ResolveAddress(address address.Address) (address.Address, bool, error)
 	MapAddressToNewID(address address.Address) (address.Address, error)
 	NetworkName() (dtypes.NetworkName, error)
@@ -136,3 +140,17 @@ type State interface {
 	AddressMapBitWidth() int
 	AddressMapHashFunction() func(input []byte) []byte
 }
+
+func AllCodes() []cid.Cid {
+	return []cid.Cid{
+		(&state0{}).Code(),
+		(&state2{}).Code(),
+		(&state3{}).Code(),
+		(&state4{}).Code(),
+		(&state5{}).Code(),
+		(&state6{}).Code(),
+		(&state7{}).Code(),
+		(&state8{}).Code(),
+		(&state9{}).Code(),
+	}
+}

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

@@ -2,13 +2,17 @@ package init
 
 import (
     "crypto/sha256"
+    "fmt"
+
 	"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"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	"github.com/filecoin-project/lotus/node/modules/dtypes"
 
 {{if (le .v 7)}}
@@ -142,3 +146,20 @@ func (s *state{{.v}}) AddressMapHashFunction() func(input []byte) []byte {
         return res[:]
     }
 }
+
+func (s *state{{.v}}) ActorKey() string {
+    return actors.InitKey
+}
+
+func (s *state{{.v}}) ActorVersion() actorstypes.Version {
+    return actorstypes.Version{{.v}}
+}
+
+func (s *state{{.v}}) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/init/v0.go

@@ -2,6 +2,7 @@ package init
 
 import (
 	"crypto/sha256"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
@@ -9,9 +10,11 @@ import (
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	init0 "github.com/filecoin-project/specs-actors/actors/builtin/init"
 	adt0 "github.com/filecoin-project/specs-actors/actors/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/node/modules/dtypes"
 )
@@ -123,3 +126,20 @@ func (s *state0) AddressMapHashFunction() func(input []byte) []byte {
 		return res[:]
 	}
 }
+
+func (s *state0) ActorKey() string {
+	return actors.InitKey
+}
+
+func (s *state0) ActorVersion() actorstypes.Version {
+	return actorstypes.Version0
+}
+
+func (s *state0) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/init/v2.go

@@ -2,6 +2,7 @@ package init
 
 import (
 	"crypto/sha256"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
@@ -9,9 +10,11 @@ import (
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	init2 "github.com/filecoin-project/specs-actors/v2/actors/builtin/init"
 	adt2 "github.com/filecoin-project/specs-actors/v2/actors/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/node/modules/dtypes"
 )
@@ -123,3 +126,20 @@ func (s *state2) AddressMapHashFunction() func(input []byte) []byte {
 		return res[:]
 	}
 }
+
+func (s *state2) ActorKey() string {
+	return actors.InitKey
+}
+
+func (s *state2) ActorVersion() actorstypes.Version {
+	return actorstypes.Version2
+}
+
+func (s *state2) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/init/v3.go

@@ -2,6 +2,7 @@ package init
 
 import (
 	"crypto/sha256"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
@@ -9,10 +10,12 @@ import (
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	builtin3 "github.com/filecoin-project/specs-actors/v3/actors/builtin"
 	init3 "github.com/filecoin-project/specs-actors/v3/actors/builtin/init"
 	adt3 "github.com/filecoin-project/specs-actors/v3/actors/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/node/modules/dtypes"
 )
@@ -124,3 +127,20 @@ func (s *state3) AddressMapHashFunction() func(input []byte) []byte {
 		return res[:]
 	}
 }
+
+func (s *state3) ActorKey() string {
+	return actors.InitKey
+}
+
+func (s *state3) ActorVersion() actorstypes.Version {
+	return actorstypes.Version3
+}
+
+func (s *state3) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/init/v4.go

@@ -2,6 +2,7 @@ package init
 
 import (
 	"crypto/sha256"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
@@ -9,10 +10,12 @@ import (
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	builtin4 "github.com/filecoin-project/specs-actors/v4/actors/builtin"
 	init4 "github.com/filecoin-project/specs-actors/v4/actors/builtin/init"
 	adt4 "github.com/filecoin-project/specs-actors/v4/actors/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/node/modules/dtypes"
 )
@@ -124,3 +127,20 @@ func (s *state4) AddressMapHashFunction() func(input []byte) []byte {
 		return res[:]
 	}
 }
+
+func (s *state4) ActorKey() string {
+	return actors.InitKey
+}
+
+func (s *state4) ActorVersion() actorstypes.Version {
+	return actorstypes.Version4
+}
+
+func (s *state4) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/init/v5.go

@@ -2,6 +2,7 @@ package init
 
 import (
 	"crypto/sha256"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
@@ -9,10 +10,12 @@ import (
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	builtin5 "github.com/filecoin-project/specs-actors/v5/actors/builtin"
 	init5 "github.com/filecoin-project/specs-actors/v5/actors/builtin/init"
 	adt5 "github.com/filecoin-project/specs-actors/v5/actors/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/node/modules/dtypes"
 )
@@ -124,3 +127,20 @@ func (s *state5) AddressMapHashFunction() func(input []byte) []byte {
 		return res[:]
 	}
 }
+
+func (s *state5) ActorKey() string {
+	return actors.InitKey
+}
+
+func (s *state5) ActorVersion() actorstypes.Version {
+	return actorstypes.Version5
+}
+
+func (s *state5) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/init/v6.go

@@ -2,6 +2,7 @@ package init
 
 import (
 	"crypto/sha256"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
@@ -9,10 +10,12 @@ import (
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	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"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/node/modules/dtypes"
 )
@@ -124,3 +127,20 @@ func (s *state6) AddressMapHashFunction() func(input []byte) []byte {
 		return res[:]
 	}
 }
+
+func (s *state6) ActorKey() string {
+	return actors.InitKey
+}
+
+func (s *state6) ActorVersion() actorstypes.Version {
+	return actorstypes.Version6
+}
+
+func (s *state6) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/init/v7.go

@@ -2,6 +2,7 @@ package init
 
 import (
 	"crypto/sha256"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
@@ -9,10 +10,12 @@ import (
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	builtin7 "github.com/filecoin-project/specs-actors/v7/actors/builtin"
 	init7 "github.com/filecoin-project/specs-actors/v7/actors/builtin/init"
 	adt7 "github.com/filecoin-project/specs-actors/v7/actors/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/node/modules/dtypes"
 )
@@ -124,3 +127,20 @@ func (s *state7) AddressMapHashFunction() func(input []byte) []byte {
 		return res[:]
 	}
 }
+
+func (s *state7) ActorKey() string {
+	return actors.InitKey
+}
+
+func (s *state7) ActorVersion() actorstypes.Version {
+	return actorstypes.Version7
+}
+
+func (s *state7) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/init/v8.go

@@ -2,6 +2,7 @@ package init
 
 import (
 	"crypto/sha256"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
@@ -9,10 +10,12 @@ import (
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	builtin8 "github.com/filecoin-project/go-state-types/builtin"
 	init8 "github.com/filecoin-project/go-state-types/builtin/v8/init"
 	adt8 "github.com/filecoin-project/go-state-types/builtin/v8/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/node/modules/dtypes"
 )
@@ -124,3 +127,20 @@ func (s *state8) AddressMapHashFunction() func(input []byte) []byte {
 		return res[:]
 	}
 }
+
+func (s *state8) ActorKey() string {
+	return actors.InitKey
+}
+
+func (s *state8) ActorVersion() actorstypes.Version {
+	return actorstypes.Version8
+}
+
+func (s *state8) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/init/v9.go

@@ -2,6 +2,7 @@ package init
 
 import (
 	"crypto/sha256"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
@@ -9,10 +10,12 @@ import (
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	builtin9 "github.com/filecoin-project/go-state-types/builtin"
 	init9 "github.com/filecoin-project/go-state-types/builtin/v9/init"
 	adt9 "github.com/filecoin-project/go-state-types/builtin/v9/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/node/modules/dtypes"
 )
@@ -124,3 +127,20 @@ func (s *state9) AddressMapHashFunction() func(input []byte) []byte {
 		return res[:]
 	}
 }
+
+func (s *state9) ActorKey() string {
+	return actors.InitKey
+}
+
+func (s *state9) ActorVersion() actorstypes.Version {
+	return actorstypes.Version9
+}
+
+func (s *state9) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

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

@@ -1,6 +1,7 @@
 package market
 
 import (
+	"github.com/ipfs/go-cid"
 	actorstypes "github.com/filecoin-project/go-state-types/actors"
     "unicode/utf8"
 
@@ -73,6 +74,11 @@ func MakeState(store adt.Store, av actorstypes.Version) (State, error) {
 
 type State interface {
 	cbor.Marshaler
+
+    Code() cid.Cid
+    ActorKey() string
+    ActorVersion() actorstypes.Version
+
 	BalancesChanged(State) (bool, error)
 	EscrowTable() (BalanceTable, error)
 	LockedTable() (BalanceTable, error)
@@ -200,3 +206,10 @@ func labelFromGoString(s string) (markettypes.DealLabel, error) {
 		return markettypes.NewLabelFromBytes([]byte(s))
 	}
 }
+
+func AllCodes() []cid.Cid {
+	return []cid.Cid{ {{range .versions}}
+        (&state{{.}}{}).Code(),
+    {{- end}}
+    }
+}

chain/actors/builtin/market/market.go

@@ -3,6 +3,7 @@ package market
 import (
 	"unicode/utf8"
 
+	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
 	"golang.org/x/xerrors"
 
@@ -114,6 +115,11 @@ func MakeState(store adt.Store, av actorstypes.Version) (State, error) {
 
 type State interface {
 	cbor.Marshaler
+
+	Code() cid.Cid
+	ActorKey() string
+	ActorVersion() actorstypes.Version
+
 	BalancesChanged(State) (bool, error)
 	EscrowTable() (BalanceTable, error)
 	LockedTable() (BalanceTable, error)
@@ -264,3 +270,17 @@ func labelFromGoString(s string) (markettypes.DealLabel, error) {
 		return markettypes.NewLabelFromBytes([]byte(s))
 	}
 }
+
+func AllCodes() []cid.Cid {
+	return []cid.Cid{
+		(&state0{}).Code(),
+		(&state2{}).Code(),
+		(&state3{}).Code(),
+		(&state4{}).Code(),
+		(&state5{}).Code(),
+		(&state6{}).Code(),
+		(&state7{}).Code(),
+		(&state8{}).Code(),
+		(&state9{}).Code(),
+	}
+}

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

@@ -1,6 +1,7 @@
 package market
 
 import (
+    "fmt"
 	"bytes"
 
 	"github.com/filecoin-project/go-address"
@@ -14,7 +15,9 @@ import (
 	{{end}}
 
 
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/types"
 	verifregtypes "github.com/filecoin-project/go-state-types/builtin/v9/verifreg"
 
@@ -387,3 +390,21 @@ func (s *state{{.v}}) GetAllocationIdForPendingDeal(dealId abi.DealID) (verifreg
 	return verifregtypes.AllocationId(allocationId), nil
 {{end}}
 }
+
+
+func (s *state{{.v}}) ActorKey() string {
+    return actors.MarketKey
+}
+
+func (s *state{{.v}}) ActorVersion() actorstypes.Version {
+    return actorstypes.Version{{.v}}
+}
+
+func (s *state{{.v}}) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/market/v0.go

@@ -2,6 +2,7 @@ package market
 
 import (
 	"bytes"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
@@ -9,10 +10,12 @@ import (
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	verifregtypes "github.com/filecoin-project/go-state-types/builtin/v9/verifreg"
 	market0 "github.com/filecoin-project/specs-actors/actors/builtin/market"
 	adt0 "github.com/filecoin-project/specs-actors/actors/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/chain/types"
 )
@@ -307,3 +310,20 @@ func (s *state0) GetAllocationIdForPendingDeal(dealId abi.DealID) (verifregtypes
 	return verifregtypes.NoAllocationID, xerrors.Errorf("unsupported before actors v9")
 
 }
+
+func (s *state0) ActorKey() string {
+	return actors.MarketKey
+}
+
+func (s *state0) ActorVersion() actorstypes.Version {
+	return actorstypes.Version0
+}
+
+func (s *state0) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/market/v2.go

@@ -2,6 +2,7 @@ package market
 
 import (
 	"bytes"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
@@ -9,10 +10,12 @@ import (
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	verifregtypes "github.com/filecoin-project/go-state-types/builtin/v9/verifreg"
 	market2 "github.com/filecoin-project/specs-actors/v2/actors/builtin/market"
 	adt2 "github.com/filecoin-project/specs-actors/v2/actors/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/chain/types"
 )
@@ -307,3 +310,20 @@ func (s *state2) GetAllocationIdForPendingDeal(dealId abi.DealID) (verifregtypes
 	return verifregtypes.NoAllocationID, xerrors.Errorf("unsupported before actors v9")
 
 }
+
+func (s *state2) ActorKey() string {
+	return actors.MarketKey
+}
+
+func (s *state2) ActorVersion() actorstypes.Version {
+	return actorstypes.Version2
+}
+
+func (s *state2) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/market/v3.go

@@ -2,6 +2,7 @@ package market
 
 import (
 	"bytes"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
@@ -9,10 +10,12 @@ import (
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	verifregtypes "github.com/filecoin-project/go-state-types/builtin/v9/verifreg"
 	market3 "github.com/filecoin-project/specs-actors/v3/actors/builtin/market"
 	adt3 "github.com/filecoin-project/specs-actors/v3/actors/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/chain/types"
 )
@@ -302,3 +305,20 @@ func (s *state3) GetAllocationIdForPendingDeal(dealId abi.DealID) (verifregtypes
 	return verifregtypes.NoAllocationID, xerrors.Errorf("unsupported before actors v9")
 
 }
+
+func (s *state3) ActorKey() string {
+	return actors.MarketKey
+}
+
+func (s *state3) ActorVersion() actorstypes.Version {
+	return actorstypes.Version3
+}
+
+func (s *state3) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/market/v4.go

@@ -2,6 +2,7 @@ package market
 
 import (
 	"bytes"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
@@ -9,10 +10,12 @@ import (
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	verifregtypes "github.com/filecoin-project/go-state-types/builtin/v9/verifreg"
 	market4 "github.com/filecoin-project/specs-actors/v4/actors/builtin/market"
 	adt4 "github.com/filecoin-project/specs-actors/v4/actors/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/chain/types"
 )
@@ -302,3 +305,20 @@ func (s *state4) GetAllocationIdForPendingDeal(dealId abi.DealID) (verifregtypes
 	return verifregtypes.NoAllocationID, xerrors.Errorf("unsupported before actors v9")
 
 }
+
+func (s *state4) ActorKey() string {
+	return actors.MarketKey
+}
+
+func (s *state4) ActorVersion() actorstypes.Version {
+	return actorstypes.Version4
+}
+
+func (s *state4) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/market/v5.go

@@ -2,6 +2,7 @@ package market
 
 import (
 	"bytes"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
@@ -9,10 +10,12 @@ import (
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	verifregtypes "github.com/filecoin-project/go-state-types/builtin/v9/verifreg"
 	market5 "github.com/filecoin-project/specs-actors/v5/actors/builtin/market"
 	adt5 "github.com/filecoin-project/specs-actors/v5/actors/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/chain/types"
 )
@@ -302,3 +305,20 @@ func (s *state5) GetAllocationIdForPendingDeal(dealId abi.DealID) (verifregtypes
 	return verifregtypes.NoAllocationID, xerrors.Errorf("unsupported before actors v9")
 
 }
+
+func (s *state5) ActorKey() string {
+	return actors.MarketKey
+}
+
+func (s *state5) ActorVersion() actorstypes.Version {
+	return actorstypes.Version5
+}
+
+func (s *state5) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/market/v6.go

@@ -2,6 +2,7 @@ package market
 
 import (
 	"bytes"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
@@ -11,10 +12,12 @@ import (
 	"github.com/filecoin-project/go-bitfield"
 	rlepluslazy "github.com/filecoin-project/go-bitfield/rle"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	verifregtypes "github.com/filecoin-project/go-state-types/builtin/v9/verifreg"
 	market6 "github.com/filecoin-project/specs-actors/v6/actors/builtin/market"
 	adt6 "github.com/filecoin-project/specs-actors/v6/actors/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/chain/types"
 )
@@ -320,3 +323,20 @@ func (s *state6) GetAllocationIdForPendingDeal(dealId abi.DealID) (verifregtypes
 	return verifregtypes.NoAllocationID, xerrors.Errorf("unsupported before actors v9")
 
 }
+
+func (s *state6) ActorKey() string {
+	return actors.MarketKey
+}
+
+func (s *state6) ActorVersion() actorstypes.Version {
+	return actorstypes.Version6
+}
+
+func (s *state6) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/market/v7.go

@@ -2,6 +2,7 @@ package market
 
 import (
 	"bytes"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
@@ -11,10 +12,12 @@ import (
 	"github.com/filecoin-project/go-bitfield"
 	rlepluslazy "github.com/filecoin-project/go-bitfield/rle"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	verifregtypes "github.com/filecoin-project/go-state-types/builtin/v9/verifreg"
 	market7 "github.com/filecoin-project/specs-actors/v7/actors/builtin/market"
 	adt7 "github.com/filecoin-project/specs-actors/v7/actors/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/chain/types"
 )
@@ -320,3 +323,20 @@ func (s *state7) GetAllocationIdForPendingDeal(dealId abi.DealID) (verifregtypes
 	return verifregtypes.NoAllocationID, xerrors.Errorf("unsupported before actors v9")
 
 }
+
+func (s *state7) ActorKey() string {
+	return actors.MarketKey
+}
+
+func (s *state7) ActorVersion() actorstypes.Version {
+	return actorstypes.Version7
+}
+
+func (s *state7) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/market/v8.go

@@ -2,6 +2,7 @@ package market
 
 import (
 	"bytes"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
@@ -11,11 +12,13 @@ import (
 	"github.com/filecoin-project/go-bitfield"
 	rlepluslazy "github.com/filecoin-project/go-bitfield/rle"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	market8 "github.com/filecoin-project/go-state-types/builtin/v8/market"
 	adt8 "github.com/filecoin-project/go-state-types/builtin/v8/util/adt"
 	markettypes "github.com/filecoin-project/go-state-types/builtin/v9/market"
 	verifregtypes "github.com/filecoin-project/go-state-types/builtin/v9/verifreg"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/chain/types"
 )
@@ -337,3 +340,20 @@ func (s *state8) GetAllocationIdForPendingDeal(dealId abi.DealID) (verifregtypes
 	return verifregtypes.NoAllocationID, xerrors.Errorf("unsupported before actors v9")
 
 }
+
+func (s *state8) ActorKey() string {
+	return actors.MarketKey
+}
+
+func (s *state8) ActorVersion() actorstypes.Version {
+	return actorstypes.Version8
+}
+
+func (s *state8) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/market/v9.go

@@ -2,6 +2,7 @@ package market
 
 import (
 	"bytes"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
@@ -11,12 +12,14 @@ import (
 	"github.com/filecoin-project/go-bitfield"
 	rlepluslazy "github.com/filecoin-project/go-bitfield/rle"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	"github.com/filecoin-project/go-state-types/builtin"
 	market9 "github.com/filecoin-project/go-state-types/builtin/v9/market"
 	markettypes "github.com/filecoin-project/go-state-types/builtin/v9/market"
 	adt9 "github.com/filecoin-project/go-state-types/builtin/v9/util/adt"
 	verifregtypes "github.com/filecoin-project/go-state-types/builtin/v9/verifreg"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/chain/types"
 )
@@ -347,3 +350,20 @@ func (s *state9) GetAllocationIdForPendingDeal(dealId abi.DealID) (verifregtypes
 	return verifregtypes.AllocationId(allocationId), nil
 
 }
+
+func (s *state9) ActorKey() string {
+	return actors.MarketKey
+}
+
+func (s *state9) ActorVersion() actorstypes.Version {
+	return actorstypes.Version9
+}
+
+func (s *state9) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

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

@@ -1,6 +1,7 @@
 package miner
 
 import (
+	"github.com/ipfs/go-cid"
 	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	"github.com/filecoin-project/go-state-types/big"
 	"github.com/filecoin-project/go-state-types/network"
@@ -66,6 +67,10 @@ func MakeState(store adt.Store, av actors.Version) (State, error) {
 type State interface {
 	cbor.Marshaler
 
+    Code() cid.Cid
+    ActorKey() string
+    ActorVersion() actorstypes.Version
+
 	// Total available balance to spend.
 	AvailableBalance(abi.TokenAmount) (abi.TokenAmount, error)
 	// Funds that will vest by the given epoch.
@@ -243,3 +248,10 @@ type LockedFunds struct {
 func (lf LockedFunds) TotalLockedFunds() abi.TokenAmount {
 	return big.Add(lf.VestingFunds, big.Add(lf.InitialPledgeRequirement, lf.PreCommitDeposits))
 }
+
+func AllCodes() []cid.Cid {
+	return []cid.Cid{ {{range .versions}}
+        (&state{{.}}{}).Code(),
+    {{- end}}
+    }
+}

chain/actors/builtin/miner/miner.go

@@ -1,6 +1,7 @@
 package miner
 
 import (
+	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
 	"golang.org/x/xerrors"
 
@@ -108,6 +109,10 @@ func MakeState(store adt.Store, av actors.Version) (State, error) {
 type State interface {
 	cbor.Marshaler
 
+	Code() cid.Cid
+	ActorKey() string
+	ActorVersion() actorstypes.Version
+
 	// Total available balance to spend.
 	AvailableBalance(abi.TokenAmount) (abi.TokenAmount, error)
 	// Funds that will vest by the given epoch.
@@ -285,3 +290,17 @@ type LockedFunds struct {
 func (lf LockedFunds) TotalLockedFunds() abi.TokenAmount {
 	return big.Add(lf.VestingFunds, big.Add(lf.InitialPledgeRequirement, lf.PreCommitDeposits))
 }
+
+func AllCodes() []cid.Cid {
+	return []cid.Cid{
+		(&state0{}).Code(),
+		(&state2{}).Code(),
+		(&state3{}).Code(),
+		(&state4{}).Code(),
+		(&state5{}).Code(),
+		(&state6{}).Code(),
+		(&state7{}).Code(),
+		(&state8{}).Code(),
+		(&state9{}).Code(),
+	}
+}

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

@@ -1,6 +1,7 @@
 package miner
 
 import (
+    "fmt"
 	"bytes"
 	"errors"
 {{if (le .v 1)}}
@@ -15,6 +16,8 @@ import (
 	"golang.org/x/xerrors"
 
 	"github.com/filecoin-project/lotus/chain/actors/adt"
+	"github.com/filecoin-project/lotus/chain/actors"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	minertypes "github.com/filecoin-project/go-state-types/builtin/v{{.latestVersion}}/miner"
 
 {{if (le .v 7)}}
@@ -602,3 +605,20 @@ func fromV{{.v}}SectorPreCommitOnChainInfo(v{{.v}} miner{{.v}}.SectorPreCommitOn
 func (s *state{{.v}}) GetState() interface{} {
 	return &s.State
 }
+
+func (s *state{{.v}}) ActorKey() string {
+    return actors.MinerKey
+}
+
+func (s *state{{.v}}) ActorVersion() actorstypes.Version {
+    return actorstypes.Version{{.v}}
+}
+
+func (s *state{{.v}}) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/miner/v0.go

@@ -3,6 +3,7 @@ package miner
 import (
 	"bytes"
 	"errors"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
@@ -11,12 +12,14 @@ import (
 	"github.com/filecoin-project/go-bitfield"
 	rle "github.com/filecoin-project/go-bitfield/rle"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	"github.com/filecoin-project/go-state-types/big"
 	minertypes "github.com/filecoin-project/go-state-types/builtin/v9/miner"
 	"github.com/filecoin-project/go-state-types/dline"
 	miner0 "github.com/filecoin-project/specs-actors/actors/builtin/miner"
 	adt0 "github.com/filecoin-project/specs-actors/actors/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -528,3 +531,20 @@ func fromV0SectorPreCommitOnChainInfo(v0 miner0.SectorPreCommitOnChainInfo) mine
 func (s *state0) GetState() interface{} {
 	return &s.State
 }
+
+func (s *state0) ActorKey() string {
+	return actors.MinerKey
+}
+
+func (s *state0) ActorVersion() actorstypes.Version {
+	return actorstypes.Version0
+}
+
+func (s *state0) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/miner/v2.go

@@ -3,6 +3,7 @@ package miner
 import (
 	"bytes"
 	"errors"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
@@ -11,11 +12,13 @@ import (
 	"github.com/filecoin-project/go-bitfield"
 	rle "github.com/filecoin-project/go-bitfield/rle"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	minertypes "github.com/filecoin-project/go-state-types/builtin/v9/miner"
 	"github.com/filecoin-project/go-state-types/dline"
 	miner2 "github.com/filecoin-project/specs-actors/v2/actors/builtin/miner"
 	adt2 "github.com/filecoin-project/specs-actors/v2/actors/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -559,3 +562,20 @@ func fromV2SectorPreCommitOnChainInfo(v2 miner2.SectorPreCommitOnChainInfo) mine
 func (s *state2) GetState() interface{} {
 	return &s.State
 }
+
+func (s *state2) ActorKey() string {
+	return actors.MinerKey
+}
+
+func (s *state2) ActorVersion() actorstypes.Version {
+	return actorstypes.Version2
+}
+
+func (s *state2) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/miner/v3.go

@@ -3,6 +3,7 @@ package miner
 import (
 	"bytes"
 	"errors"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
@@ -11,12 +12,14 @@ import (
 	"github.com/filecoin-project/go-bitfield"
 	rle "github.com/filecoin-project/go-bitfield/rle"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	minertypes "github.com/filecoin-project/go-state-types/builtin/v9/miner"
 	"github.com/filecoin-project/go-state-types/dline"
 	builtin3 "github.com/filecoin-project/specs-actors/v3/actors/builtin"
 	miner3 "github.com/filecoin-project/specs-actors/v3/actors/builtin/miner"
 	adt3 "github.com/filecoin-project/specs-actors/v3/actors/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -559,3 +562,20 @@ func fromV3SectorPreCommitOnChainInfo(v3 miner3.SectorPreCommitOnChainInfo) mine
 func (s *state3) GetState() interface{} {
 	return &s.State
 }
+
+func (s *state3) ActorKey() string {
+	return actors.MinerKey
+}
+
+func (s *state3) ActorVersion() actorstypes.Version {
+	return actorstypes.Version3
+}
+
+func (s *state3) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/miner/v4.go

@@ -3,6 +3,7 @@ package miner
 import (
 	"bytes"
 	"errors"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
@@ -11,12 +12,14 @@ import (
 	"github.com/filecoin-project/go-bitfield"
 	rle "github.com/filecoin-project/go-bitfield/rle"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	minertypes "github.com/filecoin-project/go-state-types/builtin/v9/miner"
 	"github.com/filecoin-project/go-state-types/dline"
 	builtin4 "github.com/filecoin-project/specs-actors/v4/actors/builtin"
 	miner4 "github.com/filecoin-project/specs-actors/v4/actors/builtin/miner"
 	adt4 "github.com/filecoin-project/specs-actors/v4/actors/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -559,3 +562,20 @@ func fromV4SectorPreCommitOnChainInfo(v4 miner4.SectorPreCommitOnChainInfo) mine
 func (s *state4) GetState() interface{} {
 	return &s.State
 }
+
+func (s *state4) ActorKey() string {
+	return actors.MinerKey
+}
+
+func (s *state4) ActorVersion() actorstypes.Version {
+	return actorstypes.Version4
+}
+
+func (s *state4) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/miner/v5.go

@@ -3,6 +3,7 @@ package miner
 import (
 	"bytes"
 	"errors"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
@@ -11,12 +12,14 @@ import (
 	"github.com/filecoin-project/go-bitfield"
 	rle "github.com/filecoin-project/go-bitfield/rle"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	minertypes "github.com/filecoin-project/go-state-types/builtin/v9/miner"
 	"github.com/filecoin-project/go-state-types/dline"
 	builtin5 "github.com/filecoin-project/specs-actors/v5/actors/builtin"
 	miner5 "github.com/filecoin-project/specs-actors/v5/actors/builtin/miner"
 	adt5 "github.com/filecoin-project/specs-actors/v5/actors/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -559,3 +562,20 @@ func fromV5SectorPreCommitOnChainInfo(v5 miner5.SectorPreCommitOnChainInfo) mine
 func (s *state5) GetState() interface{} {
 	return &s.State
 }
+
+func (s *state5) ActorKey() string {
+	return actors.MinerKey
+}
+
+func (s *state5) ActorVersion() actorstypes.Version {
+	return actorstypes.Version5
+}
+
+func (s *state5) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/miner/v6.go

@@ -3,6 +3,7 @@ package miner
 import (
 	"bytes"
 	"errors"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
@@ -11,12 +12,14 @@ import (
 	"github.com/filecoin-project/go-bitfield"
 	rle "github.com/filecoin-project/go-bitfield/rle"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	minertypes "github.com/filecoin-project/go-state-types/builtin/v9/miner"
 	"github.com/filecoin-project/go-state-types/dline"
 	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"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -559,3 +562,20 @@ func fromV6SectorPreCommitOnChainInfo(v6 miner6.SectorPreCommitOnChainInfo) mine
 func (s *state6) GetState() interface{} {
 	return &s.State
 }
+
+func (s *state6) ActorKey() string {
+	return actors.MinerKey
+}
+
+func (s *state6) ActorVersion() actorstypes.Version {
+	return actorstypes.Version6
+}
+
+func (s *state6) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/miner/v7.go

@@ -3,6 +3,7 @@ package miner
 import (
 	"bytes"
 	"errors"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
@@ -11,12 +12,14 @@ import (
 	"github.com/filecoin-project/go-bitfield"
 	rle "github.com/filecoin-project/go-bitfield/rle"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	minertypes "github.com/filecoin-project/go-state-types/builtin/v9/miner"
 	"github.com/filecoin-project/go-state-types/dline"
 	builtin7 "github.com/filecoin-project/specs-actors/v7/actors/builtin"
 	miner7 "github.com/filecoin-project/specs-actors/v7/actors/builtin/miner"
 	adt7 "github.com/filecoin-project/specs-actors/v7/actors/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -560,3 +563,20 @@ func fromV7SectorPreCommitOnChainInfo(v7 miner7.SectorPreCommitOnChainInfo) mine
 func (s *state7) GetState() interface{} {
 	return &s.State
 }
+
+func (s *state7) ActorKey() string {
+	return actors.MinerKey
+}
+
+func (s *state7) ActorVersion() actorstypes.Version {
+	return actorstypes.Version7
+}
+
+func (s *state7) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/miner/v8.go

@@ -3,6 +3,7 @@ package miner
 import (
 	"bytes"
 	"errors"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
@@ -11,12 +12,14 @@ import (
 	"github.com/filecoin-project/go-bitfield"
 	rle "github.com/filecoin-project/go-bitfield/rle"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	builtin8 "github.com/filecoin-project/go-state-types/builtin"
 	miner8 "github.com/filecoin-project/go-state-types/builtin/v8/miner"
 	adt8 "github.com/filecoin-project/go-state-types/builtin/v8/util/adt"
 	minertypes "github.com/filecoin-project/go-state-types/builtin/v9/miner"
 	"github.com/filecoin-project/go-state-types/dline"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -560,3 +563,20 @@ func fromV8SectorPreCommitOnChainInfo(v8 miner8.SectorPreCommitOnChainInfo) mine
 func (s *state8) GetState() interface{} {
 	return &s.State
 }
+
+func (s *state8) ActorKey() string {
+	return actors.MinerKey
+}
+
+func (s *state8) ActorVersion() actorstypes.Version {
+	return actorstypes.Version8
+}
+
+func (s *state8) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/miner/v9.go

@@ -3,6 +3,7 @@ package miner
 import (
 	"bytes"
 	"errors"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
@@ -11,12 +12,14 @@ import (
 	"github.com/filecoin-project/go-bitfield"
 	rle "github.com/filecoin-project/go-bitfield/rle"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	builtin9 "github.com/filecoin-project/go-state-types/builtin"
 	miner9 "github.com/filecoin-project/go-state-types/builtin/v9/miner"
 	minertypes "github.com/filecoin-project/go-state-types/builtin/v9/miner"
 	adt9 "github.com/filecoin-project/go-state-types/builtin/v9/util/adt"
 	"github.com/filecoin-project/go-state-types/dline"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -552,3 +555,20 @@ func fromV9SectorPreCommitOnChainInfo(v9 miner9.SectorPreCommitOnChainInfo) mine
 func (s *state9) GetState() interface{} {
 	return &s.State
 }
+
+func (s *state9) ActorKey() string {
+	return actors.MinerKey
+}
+
+func (s *state9) ActorVersion() actorstypes.Version {
+	return actorstypes.Version9
+}
+
+func (s *state9) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

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

@@ -2,6 +2,7 @@ package multisig
 
 import (
 	actorstypes "github.com/filecoin-project/go-state-types/actors"
+	"github.com/ipfs/go-cid"
 	"fmt"
 
 	"github.com/minio/blake2b-simd"
@@ -67,6 +68,10 @@ func MakeState(store adt.Store, av actorstypes.Version, signers []address.Addres
 type State interface {
 	cbor.Marshaler
 
+    Code() cid.Cid
+    ActorKey() string
+    ActorVersion() actorstypes.Version
+
 	LockedBalance(epoch abi.ChainEpoch) (abi.TokenAmount, error)
 	StartEpoch() (abi.ChainEpoch, error)
 	UnlockDuration() (abi.ChainEpoch, error)
@@ -141,3 +146,10 @@ func txnParams(id uint64, data *ProposalHashData) ([]byte, error) {
 
 	return actors.SerializeParams(&params)
 }
+
+func AllCodes() []cid.Cid {
+	return []cid.Cid{ {{range .versions}}
+        (&state{{.}}{}).Code(),
+    {{- end}}
+    }
+}

chain/actors/builtin/multisig/multisig.go

@@ -3,6 +3,7 @@ package multisig
 import (
 	"fmt"
 
+	"github.com/ipfs/go-cid"
 	"github.com/minio/blake2b-simd"
 	cbg "github.com/whyrusleeping/cbor-gen"
 	"golang.org/x/xerrors"
@@ -108,6 +109,10 @@ func MakeState(store adt.Store, av actorstypes.Version, signers []address.Addres
 type State interface {
 	cbor.Marshaler
 
+	Code() cid.Cid
+	ActorKey() string
+	ActorVersion() actorstypes.Version
+
 	LockedBalance(epoch abi.ChainEpoch) (abi.TokenAmount, error)
 	StartEpoch() (abi.ChainEpoch, error)
 	UnlockDuration() (abi.ChainEpoch, error)
@@ -206,3 +211,17 @@ func txnParams(id uint64, data *ProposalHashData) ([]byte, error) {
 
 	return actors.SerializeParams(&params)
 }
+
+func AllCodes() []cid.Cid {
+	return []cid.Cid{
+		(&state0{}).Code(),
+		(&state2{}).Code(),
+		(&state3{}).Code(),
+		(&state4{}).Code(),
+		(&state5{}).Code(),
+		(&state6{}).Code(),
+		(&state7{}).Code(),
+		(&state8{}).Code(),
+		(&state9{}).Code(),
+	}
+}

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

@@ -1,9 +1,11 @@
 package multisig
 
 import (
+    "fmt"
 	"bytes"
 	"encoding/binary"
 
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
@@ -12,6 +14,7 @@ import (
 	"golang.org/x/xerrors"
 
 	"github.com/filecoin-project/lotus/chain/actors/adt"
+	"github.com/filecoin-project/lotus/chain/actors"
 
 {{if (le .v 7)}}
     {{if (ge .v 3)}}
@@ -131,3 +134,20 @@ func (s *state{{.v}}) decodeTransaction(val *cbg.Deferred) (Transaction, error)
 func (s *state{{.v}}) GetState() interface{} {
 	return &s.State
 }
+
+func (s *state{{.v}}) ActorKey() string {
+    return actors.MultisigKey
+}
+
+func (s *state{{.v}}) ActorVersion() actorstypes.Version {
+    return actorstypes.Version{{.v}}
+}
+
+func (s *state{{.v}}) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/multisig/v0.go

@@ -3,6 +3,7 @@ package multisig
 import (
 	"bytes"
 	"encoding/binary"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
@@ -10,9 +11,11 @@ import (
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	msig0 "github.com/filecoin-project/specs-actors/actors/builtin/multisig"
 	adt0 "github.com/filecoin-project/specs-actors/actors/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -114,3 +117,20 @@ func (s *state0) decodeTransaction(val *cbg.Deferred) (Transaction, error) {
 func (s *state0) GetState() interface{} {
 	return &s.State
 }
+
+func (s *state0) ActorKey() string {
+	return actors.MultisigKey
+}
+
+func (s *state0) ActorVersion() actorstypes.Version {
+	return actorstypes.Version0
+}
+
+func (s *state0) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/multisig/v2.go

@@ -3,6 +3,7 @@ package multisig
 import (
 	"bytes"
 	"encoding/binary"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
@@ -10,9 +11,11 @@ import (
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	msig2 "github.com/filecoin-project/specs-actors/v2/actors/builtin/multisig"
 	adt2 "github.com/filecoin-project/specs-actors/v2/actors/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -114,3 +117,20 @@ func (s *state2) decodeTransaction(val *cbg.Deferred) (Transaction, error) {
 func (s *state2) GetState() interface{} {
 	return &s.State
 }
+
+func (s *state2) ActorKey() string {
+	return actors.MultisigKey
+}
+
+func (s *state2) ActorVersion() actorstypes.Version {
+	return actorstypes.Version2
+}
+
+func (s *state2) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/multisig/v3.go

@@ -3,6 +3,7 @@ package multisig
 import (
 	"bytes"
 	"encoding/binary"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
@@ -10,10 +11,12 @@ import (
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	builtin3 "github.com/filecoin-project/specs-actors/v3/actors/builtin"
 	msig3 "github.com/filecoin-project/specs-actors/v3/actors/builtin/multisig"
 	adt3 "github.com/filecoin-project/specs-actors/v3/actors/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -115,3 +118,20 @@ func (s *state3) decodeTransaction(val *cbg.Deferred) (Transaction, error) {
 func (s *state3) GetState() interface{} {
 	return &s.State
 }
+
+func (s *state3) ActorKey() string {
+	return actors.MultisigKey
+}
+
+func (s *state3) ActorVersion() actorstypes.Version {
+	return actorstypes.Version3
+}
+
+func (s *state3) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/multisig/v4.go

@@ -3,6 +3,7 @@ package multisig
 import (
 	"bytes"
 	"encoding/binary"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
@@ -10,10 +11,12 @@ import (
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	builtin4 "github.com/filecoin-project/specs-actors/v4/actors/builtin"
 	msig4 "github.com/filecoin-project/specs-actors/v4/actors/builtin/multisig"
 	adt4 "github.com/filecoin-project/specs-actors/v4/actors/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -115,3 +118,20 @@ func (s *state4) decodeTransaction(val *cbg.Deferred) (Transaction, error) {
 func (s *state4) GetState() interface{} {
 	return &s.State
 }
+
+func (s *state4) ActorKey() string {
+	return actors.MultisigKey
+}
+
+func (s *state4) ActorVersion() actorstypes.Version {
+	return actorstypes.Version4
+}
+
+func (s *state4) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/multisig/v5.go

@@ -3,6 +3,7 @@ package multisig
 import (
 	"bytes"
 	"encoding/binary"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
@@ -10,10 +11,12 @@ import (
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	builtin5 "github.com/filecoin-project/specs-actors/v5/actors/builtin"
 	msig5 "github.com/filecoin-project/specs-actors/v5/actors/builtin/multisig"
 	adt5 "github.com/filecoin-project/specs-actors/v5/actors/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -115,3 +118,20 @@ func (s *state5) decodeTransaction(val *cbg.Deferred) (Transaction, error) {
 func (s *state5) GetState() interface{} {
 	return &s.State
 }
+
+func (s *state5) ActorKey() string {
+	return actors.MultisigKey
+}
+
+func (s *state5) ActorVersion() actorstypes.Version {
+	return actorstypes.Version5
+}
+
+func (s *state5) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/multisig/v6.go

@@ -3,6 +3,7 @@ package multisig
 import (
 	"bytes"
 	"encoding/binary"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
@@ -10,10 +11,12 @@ import (
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	builtin6 "github.com/filecoin-project/specs-actors/v6/actors/builtin"
 	msig6 "github.com/filecoin-project/specs-actors/v6/actors/builtin/multisig"
 	adt6 "github.com/filecoin-project/specs-actors/v6/actors/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -115,3 +118,20 @@ func (s *state6) decodeTransaction(val *cbg.Deferred) (Transaction, error) {
 func (s *state6) GetState() interface{} {
 	return &s.State
 }
+
+func (s *state6) ActorKey() string {
+	return actors.MultisigKey
+}
+
+func (s *state6) ActorVersion() actorstypes.Version {
+	return actorstypes.Version6
+}
+
+func (s *state6) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/multisig/v7.go

@@ -3,6 +3,7 @@ package multisig
 import (
 	"bytes"
 	"encoding/binary"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
@@ -10,10 +11,12 @@ import (
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	builtin7 "github.com/filecoin-project/specs-actors/v7/actors/builtin"
 	msig7 "github.com/filecoin-project/specs-actors/v7/actors/builtin/multisig"
 	adt7 "github.com/filecoin-project/specs-actors/v7/actors/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -115,3 +118,20 @@ func (s *state7) decodeTransaction(val *cbg.Deferred) (Transaction, error) {
 func (s *state7) GetState() interface{} {
 	return &s.State
 }
+
+func (s *state7) ActorKey() string {
+	return actors.MultisigKey
+}
+
+func (s *state7) ActorVersion() actorstypes.Version {
+	return actorstypes.Version7
+}
+
+func (s *state7) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/multisig/v8.go

@@ -3,6 +3,7 @@ package multisig
 import (
 	"bytes"
 	"encoding/binary"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
@@ -10,10 +11,12 @@ import (
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	builtin8 "github.com/filecoin-project/go-state-types/builtin"
 	msig8 "github.com/filecoin-project/go-state-types/builtin/v8/multisig"
 	adt8 "github.com/filecoin-project/go-state-types/builtin/v8/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -115,3 +118,20 @@ func (s *state8) decodeTransaction(val *cbg.Deferred) (Transaction, error) {
 func (s *state8) GetState() interface{} {
 	return &s.State
 }
+
+func (s *state8) ActorKey() string {
+	return actors.MultisigKey
+}
+
+func (s *state8) ActorVersion() actorstypes.Version {
+	return actorstypes.Version8
+}
+
+func (s *state8) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/multisig/v9.go

@@ -3,6 +3,7 @@ package multisig
 import (
 	"bytes"
 	"encoding/binary"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
@@ -10,10 +11,12 @@ import (
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	builtin9 "github.com/filecoin-project/go-state-types/builtin"
 	msig9 "github.com/filecoin-project/go-state-types/builtin/v9/multisig"
 	adt9 "github.com/filecoin-project/go-state-types/builtin/v9/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -115,3 +118,20 @@ func (s *state9) decodeTransaction(val *cbg.Deferred) (Transaction, error) {
 func (s *state9) GetState() interface{} {
 	return &s.State
 }
+
+func (s *state9) ActorKey() string {
+	return actors.MultisigKey
+}
+
+func (s *state9) ActorVersion() actorstypes.Version {
+	return actorstypes.Version9
+}
+
+func (s *state9) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

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

@@ -1,7 +1,9 @@
 package paych
 
 import (
+	"github.com/ipfs/go-cid"
 	actorstypes "github.com/filecoin-project/go-state-types/actors"
+	"github.com/ipfs/go-cid"
 	"encoding/base64"
 	"fmt"
 
@@ -59,6 +61,11 @@ func Load(store adt.Store, act *types.Actor) (State, error) {
 // versions
 type State interface {
 	cbor.Marshaler
+
+    Code() cid.Cid
+    ActorKey() string
+    ActorVersion() actorstypes.Version
+
 	// Channel owner, who has funded the actor
 	From() (address.Address, error)
 	// Recipient of payouts from channel
@@ -133,3 +140,10 @@ func toV0SignedVoucher(sv paychtypes.SignedVoucher) paych0.SignedVoucher {
 		Signature:       sv.Signature,
 	}
 }
+
+func AllCodes() []cid.Cid {
+	return []cid.Cid{ {{range .versions}}
+        (&state{{.}}{}).Code(),
+    {{- end}}
+    }
+}

chain/actors/builtin/paych/paych.go

@@ -4,6 +4,7 @@ import (
 	"encoding/base64"
 	"fmt"
 
+	"github.com/ipfs/go-cid"
 	ipldcbor "github.com/ipfs/go-ipld-cbor"
 	"golang.org/x/xerrors"
 
@@ -77,6 +78,11 @@ func Load(store adt.Store, act *types.Actor) (State, error) {
 // versions
 type State interface {
 	cbor.Marshaler
+
+	Code() cid.Cid
+	ActorKey() string
+	ActorVersion() actorstypes.Version
+
 	// Channel owner, who has funded the actor
 	From() (address.Address, error)
 	// Recipient of payouts from channel
@@ -175,3 +181,17 @@ func toV0SignedVoucher(sv paychtypes.SignedVoucher) paych0.SignedVoucher {
 		Signature:       sv.Signature,
 	}
 }
+
+func AllCodes() []cid.Cid {
+	return []cid.Cid{
+		(&state0{}).Code(),
+		(&state2{}).Code(),
+		(&state3{}).Code(),
+		(&state4{}).Code(),
+		(&state5{}).Code(),
+		(&state6{}).Code(),
+		(&state7{}).Code(),
+		(&state8{}).Code(),
+		(&state9{}).Code(),
+	}
+}

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

@@ -1,6 +1,8 @@
 package paych
 
 import (
+    "fmt"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	"github.com/ipfs/go-cid"
 
 	"github.com/filecoin-project/go-address"
@@ -8,6 +10,7 @@ import (
 	"github.com/filecoin-project/go-state-types/big"
 
 	"github.com/filecoin-project/lotus/chain/actors/adt"
+	"github.com/filecoin-project/lotus/chain/actors"
 
 {{if (le .v 7)}}
 	paych{{.v}} "github.com/filecoin-project/specs-actors{{.import}}actors/builtin/paych"
@@ -117,3 +120,20 @@ func (ls *laneState{{.v}}) Redeemed() (big.Int, error) {
 func (ls *laneState{{.v}}) Nonce() (uint64, error) {
 	return ls.LaneState.Nonce, nil
 }
+
+func (s *state{{.v}}) ActorKey() string {
+    return actors.PaychKey
+}
+
+func (s *state{{.v}}) ActorVersion() actorstypes.Version {
+    return actorstypes.Version{{.v}}
+}
+
+func (s *state{{.v}}) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/paych/v0.go

@@ -1,14 +1,18 @@
 package paych
 
 import (
+	"fmt"
+
 	"github.com/ipfs/go-cid"
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	"github.com/filecoin-project/go-state-types/big"
 	paych0 "github.com/filecoin-project/specs-actors/actors/builtin/paych"
 	adt0 "github.com/filecoin-project/specs-actors/actors/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -111,3 +115,20 @@ func (ls *laneState0) Redeemed() (big.Int, error) {
 func (ls *laneState0) Nonce() (uint64, error) {
 	return ls.LaneState.Nonce, nil
 }
+
+func (s *state0) ActorKey() string {
+	return actors.PaychKey
+}
+
+func (s *state0) ActorVersion() actorstypes.Version {
+	return actorstypes.Version0
+}
+
+func (s *state0) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/paych/v2.go

@@ -1,14 +1,18 @@
 package paych
 
 import (
+	"fmt"
+
 	"github.com/ipfs/go-cid"
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	"github.com/filecoin-project/go-state-types/big"
 	paych2 "github.com/filecoin-project/specs-actors/v2/actors/builtin/paych"
 	adt2 "github.com/filecoin-project/specs-actors/v2/actors/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -111,3 +115,20 @@ func (ls *laneState2) Redeemed() (big.Int, error) {
 func (ls *laneState2) Nonce() (uint64, error) {
 	return ls.LaneState.Nonce, nil
 }
+
+func (s *state2) ActorKey() string {
+	return actors.PaychKey
+}
+
+func (s *state2) ActorVersion() actorstypes.Version {
+	return actorstypes.Version2
+}
+
+func (s *state2) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/paych/v3.go

@@ -1,14 +1,18 @@
 package paych
 
 import (
+	"fmt"
+
 	"github.com/ipfs/go-cid"
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	"github.com/filecoin-project/go-state-types/big"
 	paych3 "github.com/filecoin-project/specs-actors/v3/actors/builtin/paych"
 	adt3 "github.com/filecoin-project/specs-actors/v3/actors/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -111,3 +115,20 @@ func (ls *laneState3) Redeemed() (big.Int, error) {
 func (ls *laneState3) Nonce() (uint64, error) {
 	return ls.LaneState.Nonce, nil
 }
+
+func (s *state3) ActorKey() string {
+	return actors.PaychKey
+}
+
+func (s *state3) ActorVersion() actorstypes.Version {
+	return actorstypes.Version3
+}
+
+func (s *state3) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/paych/v4.go

@@ -1,14 +1,18 @@
 package paych
 
 import (
+	"fmt"
+
 	"github.com/ipfs/go-cid"
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	"github.com/filecoin-project/go-state-types/big"
 	paych4 "github.com/filecoin-project/specs-actors/v4/actors/builtin/paych"
 	adt4 "github.com/filecoin-project/specs-actors/v4/actors/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -111,3 +115,20 @@ func (ls *laneState4) Redeemed() (big.Int, error) {
 func (ls *laneState4) Nonce() (uint64, error) {
 	return ls.LaneState.Nonce, nil
 }
+
+func (s *state4) ActorKey() string {
+	return actors.PaychKey
+}
+
+func (s *state4) ActorVersion() actorstypes.Version {
+	return actorstypes.Version4
+}
+
+func (s *state4) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/paych/v5.go

@@ -1,14 +1,18 @@
 package paych
 
 import (
+	"fmt"
+
 	"github.com/ipfs/go-cid"
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	"github.com/filecoin-project/go-state-types/big"
 	paych5 "github.com/filecoin-project/specs-actors/v5/actors/builtin/paych"
 	adt5 "github.com/filecoin-project/specs-actors/v5/actors/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -111,3 +115,20 @@ func (ls *laneState5) Redeemed() (big.Int, error) {
 func (ls *laneState5) Nonce() (uint64, error) {
 	return ls.LaneState.Nonce, nil
 }
+
+func (s *state5) ActorKey() string {
+	return actors.PaychKey
+}
+
+func (s *state5) ActorVersion() actorstypes.Version {
+	return actorstypes.Version5
+}
+
+func (s *state5) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/paych/v6.go

@@ -1,14 +1,18 @@
 package paych
 
 import (
+	"fmt"
+
 	"github.com/ipfs/go-cid"
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	"github.com/filecoin-project/go-state-types/big"
 	paych6 "github.com/filecoin-project/specs-actors/v6/actors/builtin/paych"
 	adt6 "github.com/filecoin-project/specs-actors/v6/actors/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -111,3 +115,20 @@ func (ls *laneState6) Redeemed() (big.Int, error) {
 func (ls *laneState6) Nonce() (uint64, error) {
 	return ls.LaneState.Nonce, nil
 }
+
+func (s *state6) ActorKey() string {
+	return actors.PaychKey
+}
+
+func (s *state6) ActorVersion() actorstypes.Version {
+	return actorstypes.Version6
+}
+
+func (s *state6) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/paych/v7.go

@@ -1,14 +1,18 @@
 package paych
 
 import (
+	"fmt"
+
 	"github.com/ipfs/go-cid"
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	"github.com/filecoin-project/go-state-types/big"
 	paych7 "github.com/filecoin-project/specs-actors/v7/actors/builtin/paych"
 	adt7 "github.com/filecoin-project/specs-actors/v7/actors/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -111,3 +115,20 @@ func (ls *laneState7) Redeemed() (big.Int, error) {
 func (ls *laneState7) Nonce() (uint64, error) {
 	return ls.LaneState.Nonce, nil
 }
+
+func (s *state7) ActorKey() string {
+	return actors.PaychKey
+}
+
+func (s *state7) ActorVersion() actorstypes.Version {
+	return actorstypes.Version7
+}
+
+func (s *state7) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/paych/v8.go

@@ -1,14 +1,18 @@
 package paych
 
 import (
+	"fmt"
+
 	"github.com/ipfs/go-cid"
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	"github.com/filecoin-project/go-state-types/big"
 	paych8 "github.com/filecoin-project/go-state-types/builtin/v8/paych"
 	adt8 "github.com/filecoin-project/go-state-types/builtin/v8/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -111,3 +115,20 @@ func (ls *laneState8) Redeemed() (big.Int, error) {
 func (ls *laneState8) Nonce() (uint64, error) {
 	return ls.LaneState.Nonce, nil
 }
+
+func (s *state8) ActorKey() string {
+	return actors.PaychKey
+}
+
+func (s *state8) ActorVersion() actorstypes.Version {
+	return actorstypes.Version8
+}
+
+func (s *state8) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/paych/v9.go

@@ -1,14 +1,18 @@
 package paych
 
 import (
+	"fmt"
+
 	"github.com/ipfs/go-cid"
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	"github.com/filecoin-project/go-state-types/big"
 	paych9 "github.com/filecoin-project/go-state-types/builtin/v9/paych"
 	adt9 "github.com/filecoin-project/go-state-types/builtin/v9/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 )
 
@@ -111,3 +115,20 @@ func (ls *laneState9) Redeemed() (big.Int, error) {
 func (ls *laneState9) Nonce() (uint64, error) {
 	return ls.LaneState.Nonce, nil
 }
+
+func (s *state9) ActorKey() string {
+	return actors.PaychKey
+}
+
+func (s *state9) ActorVersion() actorstypes.Version {
+	return actorstypes.Version9
+}
+
+func (s *state9) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

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

@@ -1,6 +1,7 @@
 package power
 
 import (
+	"github.com/ipfs/go-cid"
 	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/big"
@@ -69,6 +70,10 @@ func MakeState(store adt.Store, av actorstypes.Version) (State, error) {
 type State interface {
 	cbor.Marshaler
 
+    Code() cid.Cid
+    ActorKey() string
+    ActorVersion() actorstypes.Version
+
 	TotalLocked() (abi.TokenAmount, error)
 	TotalPower() (Claim, error)
 	TotalCommitted() (Claim, error)
@@ -109,3 +114,10 @@ func AddClaims(a Claim, b Claim) Claim {
 		QualityAdjPower: big.Add(a.QualityAdjPower, b.QualityAdjPower),
 	}
 }
+
+func AllCodes() []cid.Cid {
+	return []cid.Cid{ {{range .versions}}
+        (&state{{.}}{}).Code(),
+    {{- end}}
+    }
+}

chain/actors/builtin/power/power.go

@@ -1,6 +1,7 @@
 package power
 
 import (
+	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
 	"golang.org/x/xerrors"
 
@@ -111,6 +112,10 @@ func MakeState(store adt.Store, av actorstypes.Version) (State, error) {
 type State interface {
 	cbor.Marshaler
 
+	Code() cid.Cid
+	ActorKey() string
+	ActorVersion() actorstypes.Version
+
 	TotalLocked() (abi.TokenAmount, error)
 	TotalPower() (Claim, error)
 	TotalCommitted() (Claim, error)
@@ -151,3 +156,17 @@ func AddClaims(a Claim, b Claim) Claim {
 		QualityAdjPower: big.Add(a.QualityAdjPower, b.QualityAdjPower),
 	}
 }
+
+func AllCodes() []cid.Cid {
+	return []cid.Cid{
+		(&state0{}).Code(),
+		(&state2{}).Code(),
+		(&state3{}).Code(),
+		(&state4{}).Code(),
+		(&state5{}).Code(),
+		(&state6{}).Code(),
+		(&state7{}).Code(),
+		(&state8{}).Code(),
+		(&state9{}).Code(),
+	}
+}

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

@@ -1,6 +1,8 @@
 package power
 
 import (
+    "fmt"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	"bytes"
 
 	"github.com/filecoin-project/go-address"
@@ -8,6 +10,7 @@ import (
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/chain/actors/builtin"
 
@@ -205,3 +208,20 @@ func fromV{{.v}}Claim(v{{.v}} power{{.v}}.Claim) Claim {
 		QualityAdjPower: v{{.v}}.QualityAdjPower,
 	}
 }
+
+func (s *state{{.v}}) ActorKey() string {
+    return actors.PowerKey
+}
+
+func (s *state{{.v}}) ActorVersion() actorstypes.Version {
+    return actorstypes.Version{{.v}}
+}
+
+func (s *state{{.v}}) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/power/v0.go

@@ -2,15 +2,18 @@ package power
 
 import (
 	"bytes"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	power0 "github.com/filecoin-project/specs-actors/actors/builtin/power"
 	adt0 "github.com/filecoin-project/specs-actors/actors/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/chain/actors/builtin"
 )
@@ -188,3 +191,20 @@ func fromV0Claim(v0 power0.Claim) Claim {
 		QualityAdjPower: v0.QualityAdjPower,
 	}
 }
+
+func (s *state0) ActorKey() string {
+	return actors.PowerKey
+}
+
+func (s *state0) ActorVersion() actorstypes.Version {
+	return actorstypes.Version0
+}
+
+func (s *state0) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/power/v2.go

@@ -2,15 +2,18 @@ package power
 
 import (
 	"bytes"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	power2 "github.com/filecoin-project/specs-actors/v2/actors/builtin/power"
 	adt2 "github.com/filecoin-project/specs-actors/v2/actors/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/chain/actors/builtin"
 )
@@ -188,3 +191,20 @@ func fromV2Claim(v2 power2.Claim) Claim {
 		QualityAdjPower: v2.QualityAdjPower,
 	}
 }
+
+func (s *state2) ActorKey() string {
+	return actors.PowerKey
+}
+
+func (s *state2) ActorVersion() actorstypes.Version {
+	return actorstypes.Version2
+}
+
+func (s *state2) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/power/v3.go

@@ -2,16 +2,19 @@ package power
 
 import (
 	"bytes"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	builtin3 "github.com/filecoin-project/specs-actors/v3/actors/builtin"
 	power3 "github.com/filecoin-project/specs-actors/v3/actors/builtin/power"
 	adt3 "github.com/filecoin-project/specs-actors/v3/actors/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/chain/actors/builtin"
 )
@@ -184,3 +187,20 @@ func fromV3Claim(v3 power3.Claim) Claim {
 		QualityAdjPower: v3.QualityAdjPower,
 	}
 }
+
+func (s *state3) ActorKey() string {
+	return actors.PowerKey
+}
+
+func (s *state3) ActorVersion() actorstypes.Version {
+	return actorstypes.Version3
+}
+
+func (s *state3) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/power/v4.go

@@ -2,16 +2,19 @@ package power
 
 import (
 	"bytes"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	builtin4 "github.com/filecoin-project/specs-actors/v4/actors/builtin"
 	power4 "github.com/filecoin-project/specs-actors/v4/actors/builtin/power"
 	adt4 "github.com/filecoin-project/specs-actors/v4/actors/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/chain/actors/builtin"
 )
@@ -184,3 +187,20 @@ func fromV4Claim(v4 power4.Claim) Claim {
 		QualityAdjPower: v4.QualityAdjPower,
 	}
 }
+
+func (s *state4) ActorKey() string {
+	return actors.PowerKey
+}
+
+func (s *state4) ActorVersion() actorstypes.Version {
+	return actorstypes.Version4
+}
+
+func (s *state4) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/power/v5.go

@@ -2,16 +2,19 @@ package power
 
 import (
 	"bytes"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	builtin5 "github.com/filecoin-project/specs-actors/v5/actors/builtin"
 	power5 "github.com/filecoin-project/specs-actors/v5/actors/builtin/power"
 	adt5 "github.com/filecoin-project/specs-actors/v5/actors/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/chain/actors/builtin"
 )
@@ -184,3 +187,20 @@ func fromV5Claim(v5 power5.Claim) Claim {
 		QualityAdjPower: v5.QualityAdjPower,
 	}
 }
+
+func (s *state5) ActorKey() string {
+	return actors.PowerKey
+}
+
+func (s *state5) ActorVersion() actorstypes.Version {
+	return actorstypes.Version5
+}
+
+func (s *state5) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/power/v6.go

@@ -2,16 +2,19 @@ package power
 
 import (
 	"bytes"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	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"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/chain/actors/builtin"
 )
@@ -184,3 +187,20 @@ func fromV6Claim(v6 power6.Claim) Claim {
 		QualityAdjPower: v6.QualityAdjPower,
 	}
 }
+
+func (s *state6) ActorKey() string {
+	return actors.PowerKey
+}
+
+func (s *state6) ActorVersion() actorstypes.Version {
+	return actorstypes.Version6
+}
+
+func (s *state6) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/power/v7.go

@@ -2,16 +2,19 @@ package power
 
 import (
 	"bytes"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	builtin7 "github.com/filecoin-project/specs-actors/v7/actors/builtin"
 	power7 "github.com/filecoin-project/specs-actors/v7/actors/builtin/power"
 	adt7 "github.com/filecoin-project/specs-actors/v7/actors/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/chain/actors/builtin"
 )
@@ -184,3 +187,20 @@ func fromV7Claim(v7 power7.Claim) Claim {
 		QualityAdjPower: v7.QualityAdjPower,
 	}
 }
+
+func (s *state7) ActorKey() string {
+	return actors.PowerKey
+}
+
+func (s *state7) ActorVersion() actorstypes.Version {
+	return actorstypes.Version7
+}
+
+func (s *state7) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/power/v8.go

@@ -2,16 +2,19 @@ package power
 
 import (
 	"bytes"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	builtin8 "github.com/filecoin-project/go-state-types/builtin"
 	power8 "github.com/filecoin-project/go-state-types/builtin/v8/power"
 	adt8 "github.com/filecoin-project/go-state-types/builtin/v8/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/chain/actors/builtin"
 )
@@ -184,3 +187,20 @@ func fromV8Claim(v8 power8.Claim) Claim {
 		QualityAdjPower: v8.QualityAdjPower,
 	}
 }
+
+func (s *state8) ActorKey() string {
+	return actors.PowerKey
+}
+
+func (s *state8) ActorVersion() actorstypes.Version {
+	return actorstypes.Version8
+}
+
+func (s *state8) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}

chain/actors/builtin/power/v9.go

@@ -2,16 +2,19 @@ package power
 
 import (
 	"bytes"
+	"fmt"
 
 	"github.com/ipfs/go-cid"
 	cbg "github.com/whyrusleeping/cbor-gen"
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	actorstypes "github.com/filecoin-project/go-state-types/actors"
 	builtin9 "github.com/filecoin-project/go-state-types/builtin"
 	power9 "github.com/filecoin-project/go-state-types/builtin/v9/power"
 	adt9 "github.com/filecoin-project/go-state-types/builtin/v9/util/adt"
 
+	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/chain/actors/builtin"
 )
@@ -184,3 +187,20 @@ func fromV9Claim(v9 power9.Claim) Claim {
 		QualityAdjPower: v9.QualityAdjPower,
 	}
 }
+
+func (s *state9) ActorKey() string {
+	return actors.PowerKey
+}
+
+func (s *state9) ActorVersion() actorstypes.Version {
+	return actorstypes.Version9
+}
+
+func (s *state9) Code() cid.Cid {
+	code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
+	if !ok {
+		panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
+	}
+
+	return code
+}