diff --git a/build/openrpc/full.json.gz b/build/openrpc/full.json.gz
index 0e063bf5830..3b17bfc26f8 100644
Binary files a/build/openrpc/full.json.gz and b/build/openrpc/full.json.gz differ
diff --git a/build/openrpc/gateway.json.gz b/build/openrpc/gateway.json.gz
index f3ac74b04db..d2944f5d463 100644
Binary files a/build/openrpc/gateway.json.gz and b/build/openrpc/gateway.json.gz differ
diff --git a/build/openrpc/miner.json.gz b/build/openrpc/miner.json.gz
index 9f2e3fafc4f..5203888b087 100644
Binary files a/build/openrpc/miner.json.gz and b/build/openrpc/miner.json.gz differ
diff --git a/build/openrpc/worker.json.gz b/build/openrpc/worker.json.gz
index 9f3a8ff89ca..4a724cbe9cc 100644
Binary files a/build/openrpc/worker.json.gz and b/build/openrpc/worker.json.gz differ
diff --git a/chain/actors/actor_cids.go b/chain/actors/actor_cids.go
index ddcd360d534..71d844d5534 100644
--- a/chain/actors/actor_cids.go
+++ b/chain/actors/actor_cids.go
@@ -1,6 +1,9 @@
 package actors
 
 import (
+	"github.com/ipfs/go-cid"
+	"golang.org/x/xerrors"
+
 	builtin0 "github.com/filecoin-project/specs-actors/actors/builtin"
 	builtin2 "github.com/filecoin-project/specs-actors/v2/actors/builtin"
 	builtin3 "github.com/filecoin-project/specs-actors/v3/actors/builtin"
@@ -8,8 +11,6 @@ import (
 	builtin5 "github.com/filecoin-project/specs-actors/v5/actors/builtin"
 	builtin6 "github.com/filecoin-project/specs-actors/v6/actors/builtin"
 	builtin7 "github.com/filecoin-project/specs-actors/v7/actors/builtin"
-	"github.com/ipfs/go-cid"
-	"golang.org/x/xerrors"
 )
 
 // GetActorCodeID looks up a builtin actor's code CID by actor version and canonical actor name.
diff --git a/chain/actors/builtin/builtin.go b/chain/actors/builtin/builtin.go
index 4c994c9aa2c..fb95a28d6c7 100644
--- a/chain/actors/builtin/builtin.go
+++ b/chain/actors/builtin/builtin.go
@@ -4,7 +4,6 @@ import (
 	"fmt"
 
 	"github.com/ipfs/go-cid"
-	"golang.org/x/xerrors"
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
@@ -130,39 +129,6 @@ func IsBuiltinActor(c cid.Cid) bool {
 	return false
 }
 
-func GetAccountActorCodeID(av actors.Version) (cid.Cid, error) {
-	if c, ok := actors.GetActorCodeID(av, actors.AccountKey); ok {
-		return c, nil
-	}
-
-	switch av {
-
-	case actors.Version0:
-		return builtin0.AccountActorCodeID, nil
-
-	case actors.Version2:
-		return builtin2.AccountActorCodeID, nil
-
-	case actors.Version3:
-		return builtin3.AccountActorCodeID, nil
-
-	case actors.Version4:
-		return builtin4.AccountActorCodeID, nil
-
-	case actors.Version5:
-		return builtin5.AccountActorCodeID, nil
-
-	case actors.Version6:
-		return builtin6.AccountActorCodeID, nil
-
-	case actors.Version7:
-		return builtin7.AccountActorCodeID, nil
-
-	}
-
-	return cid.Undef, xerrors.Errorf("unknown actor version %d", av)
-}
-
 func IsAccountActor(c cid.Cid) bool {
 	name, _, ok := actors.GetActorMetaByCode(c)
 	if ok {
@@ -200,138 +166,6 @@ func IsAccountActor(c cid.Cid) bool {
 	return false
 }
 
-func GetCronActorCodeID(av actors.Version) (cid.Cid, error) {
-	if c, ok := actors.GetActorCodeID(av, actors.CronKey); ok {
-		return c, nil
-	}
-
-	switch av {
-
-	case actors.Version0:
-		return builtin0.CronActorCodeID, nil
-
-	case actors.Version2:
-		return builtin2.CronActorCodeID, nil
-
-	case actors.Version3:
-		return builtin3.CronActorCodeID, nil
-
-	case actors.Version4:
-		return builtin4.CronActorCodeID, nil
-
-	case actors.Version5:
-		return builtin5.CronActorCodeID, nil
-
-	case actors.Version6:
-		return builtin6.CronActorCodeID, nil
-
-	case actors.Version7:
-		return builtin7.CronActorCodeID, nil
-
-	}
-
-	return cid.Undef, xerrors.Errorf("unknown actor version %d", av)
-}
-
-func GetInitActorCodeID(av actors.Version) (cid.Cid, error) {
-	if c, ok := actors.GetActorCodeID(av, actors.InitKey); ok {
-		return c, nil
-	}
-
-	switch av {
-
-	case actors.Version0:
-		return builtin0.InitActorCodeID, nil
-
-	case actors.Version2:
-		return builtin2.InitActorCodeID, nil
-
-	case actors.Version3:
-		return builtin3.InitActorCodeID, nil
-
-	case actors.Version4:
-		return builtin4.InitActorCodeID, nil
-
-	case actors.Version5:
-		return builtin5.InitActorCodeID, nil
-
-	case actors.Version6:
-		return builtin6.InitActorCodeID, nil
-
-	case actors.Version7:
-		return builtin7.InitActorCodeID, nil
-
-	}
-
-	return cid.Undef, xerrors.Errorf("unknown actor version %d", av)
-}
-
-func GetMarketActorCodeID(av actors.Version) (cid.Cid, error) {
-	if c, ok := actors.GetActorCodeID(av, actors.MarketKey); ok {
-		return c, nil
-	}
-
-	switch av {
-
-	case actors.Version0:
-		return builtin0.StorageMarketActorCodeID, nil
-
-	case actors.Version2:
-		return builtin2.StorageMarketActorCodeID, nil
-
-	case actors.Version3:
-		return builtin3.StorageMarketActorCodeID, nil
-
-	case actors.Version4:
-		return builtin4.StorageMarketActorCodeID, nil
-
-	case actors.Version5:
-		return builtin5.StorageMarketActorCodeID, nil
-
-	case actors.Version6:
-		return builtin6.StorageMarketActorCodeID, nil
-
-	case actors.Version7:
-		return builtin7.StorageMarketActorCodeID, nil
-
-	}
-
-	return cid.Undef, xerrors.Errorf("unknown actor version %d", av)
-}
-
-func GetMinerActorCodeID(av actors.Version) (cid.Cid, error) {
-	if c, ok := actors.GetActorCodeID(av, actors.MinerKey); ok {
-		return c, nil
-	}
-
-	switch av {
-
-	case actors.Version0:
-		return builtin0.StorageMinerActorCodeID, nil
-
-	case actors.Version2:
-		return builtin2.StorageMinerActorCodeID, nil
-
-	case actors.Version3:
-		return builtin3.StorageMinerActorCodeID, nil
-
-	case actors.Version4:
-		return builtin4.StorageMinerActorCodeID, nil
-
-	case actors.Version5:
-		return builtin5.StorageMinerActorCodeID, nil
-
-	case actors.Version6:
-		return builtin6.StorageMinerActorCodeID, nil
-
-	case actors.Version7:
-		return builtin7.StorageMinerActorCodeID, nil
-
-	}
-
-	return cid.Undef, xerrors.Errorf("unknown actor version %d", av)
-}
-
 func IsStorageMinerActor(c cid.Cid) bool {
 	name, _, ok := actors.GetActorMetaByCode(c)
 	if ok {
@@ -369,39 +203,6 @@ func IsStorageMinerActor(c cid.Cid) bool {
 	return false
 }
 
-func GetMultisigActorCodeID(av actors.Version) (cid.Cid, error) {
-	if c, ok := actors.GetActorCodeID(av, actors.MultisigKey); ok {
-		return c, nil
-	}
-
-	switch av {
-
-	case actors.Version0:
-		return builtin0.MultisigActorCodeID, nil
-
-	case actors.Version2:
-		return builtin2.MultisigActorCodeID, nil
-
-	case actors.Version3:
-		return builtin3.MultisigActorCodeID, nil
-
-	case actors.Version4:
-		return builtin4.MultisigActorCodeID, nil
-
-	case actors.Version5:
-		return builtin5.MultisigActorCodeID, nil
-
-	case actors.Version6:
-		return builtin6.MultisigActorCodeID, nil
-
-	case actors.Version7:
-		return builtin7.MultisigActorCodeID, nil
-
-	}
-
-	return cid.Undef, xerrors.Errorf("unknown actor version %d", av)
-}
-
 func IsMultisigActor(c cid.Cid) bool {
 	name, _, ok := actors.GetActorMetaByCode(c)
 	if ok {
@@ -439,39 +240,6 @@ func IsMultisigActor(c cid.Cid) bool {
 	return false
 }
 
-func GetPaymentChannelActorCodeID(av actors.Version) (cid.Cid, error) {
-	if c, ok := actors.GetActorCodeID(av, actors.PaychKey); ok {
-		return c, nil
-	}
-
-	switch av {
-
-	case actors.Version0:
-		return builtin0.PaymentChannelActorCodeID, nil
-
-	case actors.Version2:
-		return builtin2.PaymentChannelActorCodeID, nil
-
-	case actors.Version3:
-		return builtin3.PaymentChannelActorCodeID, nil
-
-	case actors.Version4:
-		return builtin4.PaymentChannelActorCodeID, nil
-
-	case actors.Version5:
-		return builtin5.PaymentChannelActorCodeID, nil
-
-	case actors.Version6:
-		return builtin6.PaymentChannelActorCodeID, nil
-
-	case actors.Version7:
-		return builtin7.PaymentChannelActorCodeID, nil
-
-	}
-
-	return cid.Undef, xerrors.Errorf("unknown actor version %d", av)
-}
-
 func IsPaymentChannelActor(c cid.Cid) bool {
 	name, _, ok := actors.GetActorMetaByCode(c)
 	if ok {
@@ -509,138 +277,6 @@ func IsPaymentChannelActor(c cid.Cid) bool {
 	return false
 }
 
-func GetPowerActorCodeID(av actors.Version) (cid.Cid, error) {
-	if c, ok := actors.GetActorCodeID(av, actors.PowerKey); ok {
-		return c, nil
-	}
-
-	switch av {
-
-	case actors.Version0:
-		return builtin0.StoragePowerActorCodeID, nil
-
-	case actors.Version2:
-		return builtin2.StoragePowerActorCodeID, nil
-
-	case actors.Version3:
-		return builtin3.StoragePowerActorCodeID, nil
-
-	case actors.Version4:
-		return builtin4.StoragePowerActorCodeID, nil
-
-	case actors.Version5:
-		return builtin5.StoragePowerActorCodeID, nil
-
-	case actors.Version6:
-		return builtin6.StoragePowerActorCodeID, nil
-
-	case actors.Version7:
-		return builtin7.StoragePowerActorCodeID, nil
-
-	}
-
-	return cid.Undef, xerrors.Errorf("unknown actor version %d", av)
-}
-
-func GetRewardActorCodeID(av actors.Version) (cid.Cid, error) {
-	if c, ok := actors.GetActorCodeID(av, actors.RewardKey); ok {
-		return c, nil
-	}
-
-	switch av {
-
-	case actors.Version0:
-		return builtin0.RewardActorCodeID, nil
-
-	case actors.Version2:
-		return builtin2.RewardActorCodeID, nil
-
-	case actors.Version3:
-		return builtin3.RewardActorCodeID, nil
-
-	case actors.Version4:
-		return builtin4.RewardActorCodeID, nil
-
-	case actors.Version5:
-		return builtin5.RewardActorCodeID, nil
-
-	case actors.Version6:
-		return builtin6.RewardActorCodeID, nil
-
-	case actors.Version7:
-		return builtin7.RewardActorCodeID, nil
-
-	}
-
-	return cid.Undef, xerrors.Errorf("unknown actor version %d", av)
-}
-
-func GetSystemActorCodeID(av actors.Version) (cid.Cid, error) {
-	if c, ok := actors.GetActorCodeID(av, actors.SystemKey); ok {
-		return c, nil
-	}
-
-	switch av {
-
-	case actors.Version0:
-		return builtin0.SystemActorCodeID, nil
-
-	case actors.Version2:
-		return builtin2.SystemActorCodeID, nil
-
-	case actors.Version3:
-		return builtin3.SystemActorCodeID, nil
-
-	case actors.Version4:
-		return builtin4.SystemActorCodeID, nil
-
-	case actors.Version5:
-		return builtin5.SystemActorCodeID, nil
-
-	case actors.Version6:
-		return builtin6.SystemActorCodeID, nil
-
-	case actors.Version7:
-		return builtin7.SystemActorCodeID, nil
-
-	}
-
-	return cid.Undef, xerrors.Errorf("unknown actor version %d", av)
-}
-
-func GetVerifregActorCodeID(av actors.Version) (cid.Cid, error) {
-	if c, ok := actors.GetActorCodeID(av, actors.VerifregKey); ok {
-		return c, nil
-	}
-
-	switch av {
-
-	case actors.Version0:
-		return builtin0.VerifiedRegistryActorCodeID, nil
-
-	case actors.Version2:
-		return builtin2.VerifiedRegistryActorCodeID, nil
-
-	case actors.Version3:
-		return builtin3.VerifiedRegistryActorCodeID, nil
-
-	case actors.Version4:
-		return builtin4.VerifiedRegistryActorCodeID, nil
-
-	case actors.Version5:
-		return builtin5.VerifiedRegistryActorCodeID, nil
-
-	case actors.Version6:
-		return builtin6.VerifiedRegistryActorCodeID, nil
-
-	case actors.Version7:
-		return builtin7.VerifiedRegistryActorCodeID, nil
-
-	}
-
-	return cid.Undef, xerrors.Errorf("unknown actor version %d", av)
-}
-
 func makeAddress(addr string) address.Address {
 	ret, err := address.NewFromString(addr)
 	if err != nil {
diff --git a/chain/actors/builtin/builtin.go.template b/chain/actors/builtin/builtin.go.template
index ef4dcef396e..d536eff36d8 100644
--- a/chain/actors/builtin/builtin.go.template
+++ b/chain/actors/builtin/builtin.go.template
@@ -5,7 +5,6 @@ import (
 
 	"github.com/filecoin-project/go-address"
 	"github.com/ipfs/go-cid"
-	"golang.org/x/xerrors"
 
 {{range .versions}}
 	    builtin{{.}} "github.com/filecoin-project/specs-actors{{import .}}actors/builtin"
@@ -85,23 +84,6 @@ func IsBuiltinActor(c cid.Cid) bool {
 	return false
 }
 
-func GetAccountActorCodeID(av actors.Version) (cid.Cid, error) {
-	if c, ok := actors.GetActorCodeID(av, actors.AccountKey); ok {
-		return c, nil
-	}
-
-	switch av {
-        {{range .versions}}
-            {{if (le . 7)}}
-            case actors.Version{{.}}:
-                return builtin{{.}}.AccountActorCodeID, nil
-            {{end}}
-        {{end}}
-	}
-
-	return cid.Undef, xerrors.Errorf("unknown actor version %d", av)
-}
-
 func IsAccountActor(c cid.Cid) bool {
 	name, _, ok := actors.GetActorMetaByCode(c)
     if ok {
@@ -118,74 +100,6 @@ func IsAccountActor(c cid.Cid) bool {
 	return false
 }
 
-func GetCronActorCodeID(av actors.Version) (cid.Cid, error) {
-	if c, ok := actors.GetActorCodeID(av, actors.CronKey); ok {
-		return c, nil
-	}
-
-	switch av {
-        {{range .versions}}
-            {{if (le . 7)}}
-            case actors.Version{{.}}:
-                return builtin{{.}}.CronActorCodeID, nil
-            {{end}}
-        {{end}}
-	}
-
-	return cid.Undef, xerrors.Errorf("unknown actor version %d", av)
-}
-
-func GetInitActorCodeID(av actors.Version) (cid.Cid, error) {
-	if c, ok := actors.GetActorCodeID(av, actors.InitKey); ok {
-		return c, nil
-	}
-
-	switch av {
-        {{range .versions}}
-            {{if (le . 7)}}
-            case actors.Version{{.}}:
-                return builtin{{.}}.InitActorCodeID, nil
-            {{end}}
-        {{end}}
-	}
-
-	return cid.Undef, xerrors.Errorf("unknown actor version %d", av)
-}
-
-func GetMarketActorCodeID(av actors.Version) (cid.Cid, error) {
-	if c, ok := actors.GetActorCodeID(av, actors.MarketKey); ok {
-		return c, nil
-	}
-
-	switch av {
-        {{range .versions}}
-            {{if (le . 7)}}
-            case actors.Version{{.}}:
-                return builtin{{.}}.StorageMarketActorCodeID, nil
-            {{end}}
-        {{end}}
-	}
-
-	return cid.Undef, xerrors.Errorf("unknown actor version %d", av)
-}
-
-func GetMinerActorCodeID(av actors.Version) (cid.Cid, error) {
-	if c, ok := actors.GetActorCodeID(av, actors.MinerKey); ok {
-		return c, nil
-	}
-
-	switch av {
-        {{range .versions}}
-            {{if (le . 7)}}
-            case actors.Version{{.}}:
-                return builtin{{.}}.StorageMinerActorCodeID, nil
-            {{end}}
-        {{end}}
-	}
-
-	return cid.Undef, xerrors.Errorf("unknown actor version %d", av)
-}
-
 func IsStorageMinerActor(c cid.Cid) bool {
 	name, _, ok := actors.GetActorMetaByCode(c)
     if ok {
@@ -202,23 +116,6 @@ func IsStorageMinerActor(c cid.Cid) bool {
 	return false
 }
 
-func GetMultisigActorCodeID(av actors.Version) (cid.Cid, error) {
-	if c, ok := actors.GetActorCodeID(av, actors.MultisigKey); ok {
-		return c, nil
-	}
-
-	switch av {
-        {{range .versions}}
-            {{if (le . 7)}}
-            case actors.Version{{.}}:
-                return builtin{{.}}.MultisigActorCodeID, nil
-            {{end}}
-        {{end}}
-	}
-
-	return cid.Undef, xerrors.Errorf("unknown actor version %d", av)
-}
-
 func IsMultisigActor(c cid.Cid) bool {
 	name, _, ok := actors.GetActorMetaByCode(c)
     if ok {
@@ -235,23 +132,6 @@ func IsMultisigActor(c cid.Cid) bool {
 	return false
 }
 
-func GetPaymentChannelActorCodeID(av actors.Version) (cid.Cid, error) {
-	if c, ok := actors.GetActorCodeID(av, actors.PaychKey); ok {
-		return c, nil
-	}
-
-	switch av {
-        {{range .versions}}
-            {{if (le . 7)}}
-            case actors.Version{{.}}:
-                return builtin{{.}}.PaymentChannelActorCodeID, nil
-            {{end}}
-        {{end}}
-	}
-
-	return cid.Undef, xerrors.Errorf("unknown actor version %d", av)
-}
-
 func IsPaymentChannelActor(c cid.Cid) bool {
 	name, _, ok := actors.GetActorMetaByCode(c)
     if ok {
@@ -268,74 +148,6 @@ func IsPaymentChannelActor(c cid.Cid) bool {
 	return false
 }
 
-func GetPowerActorCodeID(av actors.Version) (cid.Cid, error) {
-	if c, ok := actors.GetActorCodeID(av, actors.PowerKey); ok {
-		return c, nil
-	}
-
-	switch av {
-        {{range .versions}}
-            {{if (le . 7)}}
-            case actors.Version{{.}}:
-                return builtin{{.}}.StoragePowerActorCodeID, nil
-            {{end}}
-        {{end}}
-	}
-
-	return cid.Undef, xerrors.Errorf("unknown actor version %d", av)
-}
-
-func GetRewardActorCodeID(av actors.Version) (cid.Cid, error) {
-	if c, ok := actors.GetActorCodeID(av, actors.RewardKey); ok {
-		return c, nil
-	}
-
-	switch av {
-        {{range .versions}}
-            {{if (le . 7)}}
-            case actors.Version{{.}}:
-                return builtin{{.}}.RewardActorCodeID, nil
-            {{end}}
-        {{end}}
-	}
-
-	return cid.Undef, xerrors.Errorf("unknown actor version %d", av)
-}
-
-func GetSystemActorCodeID(av actors.Version) (cid.Cid, error) {
-	if c, ok := actors.GetActorCodeID(av, actors.SystemKey); ok {
-		return c, nil
-	}
-
-	switch av {
-        {{range .versions}}
-            {{if (le . 7)}}
-            case actors.Version{{.}}:
-                return builtin{{.}}.SystemActorCodeID, nil
-            {{end}}
-        {{end}}
-	}
-
-	return cid.Undef, xerrors.Errorf("unknown actor version %d", av)
-}
-
-func GetVerifregActorCodeID(av actors.Version) (cid.Cid, error) {
-	if c, ok := actors.GetActorCodeID(av, actors.VerifregKey); ok {
-		return c, nil
-	}
-
-	switch av {
-        {{range .versions}}
-            {{if (le . 7)}}
-            case actors.Version{{.}}:
-                return builtin{{.}}.VerifiedRegistryActorCodeID, nil
-            {{end}}
-        {{end}}
-	}
-
-	return cid.Undef, xerrors.Errorf("unknown actor version %d", av)
-}
-
 func makeAddress(addr string) address.Address {
 	ret, err := address.NewFromString(addr)
 	if err != nil {
diff --git a/chain/actors/builtin/multisig/message.go.template b/chain/actors/builtin/multisig/message.go.template
index 4db88826ad3..5542f4eecd9 100644
--- a/chain/actors/builtin/multisig/message.go.template
+++ b/chain/actors/builtin/multisig/message.go.template
@@ -14,7 +14,6 @@ import (
         builtin{{.v}} "github.com/filecoin-project/go-state-types/builtin"
         multisig{{.v}} "github.com/filecoin-project/go-state-types/builtin/v8/multisig"
         init{{.v}} "github.com/filecoin-project/go-state-types/builtin/v8/init"
-        "github.com/filecoin-project/lotus/chain/actors/builtin"
     {{end}}
 
 
@@ -69,8 +68,8 @@ func (m message{{.v}}) Create(
             ConstructorParams: enc,
         }
 	{{else}}
-        code, err := builtin.GetMultisigActorCodeID(actors.Version{{.v}})
-        if err != nil {
+        code, ok := actors.GetActorCodeID(actors.Version{{.v}}, actors.MultisigKey)
+        if !ok {
             return nil, xerrors.Errorf("failed to get multisig code ID")
         }
 
diff --git a/chain/actors/builtin/multisig/message8.go b/chain/actors/builtin/multisig/message8.go
index dacc5310855..23bee19d0f9 100644
--- a/chain/actors/builtin/multisig/message8.go
+++ b/chain/actors/builtin/multisig/message8.go
@@ -10,7 +10,6 @@ import (
 	multisig8 "github.com/filecoin-project/go-state-types/builtin/v8/multisig"
 
 	"github.com/filecoin-project/lotus/chain/actors"
-	"github.com/filecoin-project/lotus/chain/actors/builtin"
 	init_ "github.com/filecoin-project/lotus/chain/actors/builtin/init"
 	"github.com/filecoin-project/lotus/chain/types"
 )
@@ -50,8 +49,8 @@ func (m message8) Create(
 		return nil, actErr
 	}
 
-	code, err := builtin.GetMultisigActorCodeID(actors.Version8)
-	if err != nil {
+	code, ok := actors.GetActorCodeID(actors.Version8, actors.MultisigKey)
+	if !ok {
 		return nil, xerrors.Errorf("failed to get multisig code ID")
 	}
 
diff --git a/chain/actors/manifest.go b/chain/actors/manifest.go
index ca7159179d8..88598826a9e 100644
--- a/chain/actors/manifest.go
+++ b/chain/actors/manifest.go
@@ -113,7 +113,7 @@ func ReadManifest(ctx context.Context, store cbor.IpldStore, mfCid cid.Cid) (map
 	return metadata, nil
 }
 
-// GetActorCodeIDs looks up a builtin actor's code CID by actor version.
+// GetActorCodeIDsFromManifest looks up all builtin actor's code CIDs by actor version for versions that have a manifest.
 func GetActorCodeIDsFromManifest(av Version) (map[string]cid.Cid, bool) {
 	manifestMx.RLock()
 	defer manifestMx.RUnlock()
diff --git a/chain/gen/genesis/f00_system.go b/chain/gen/genesis/f00_system.go
index 82f70f19642..1cd50f5e11c 100644
--- a/chain/gen/genesis/f00_system.go
+++ b/chain/gen/genesis/f00_system.go
@@ -14,7 +14,6 @@ import (
 	bstore "github.com/filecoin-project/lotus/blockstore"
 	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
-	"github.com/filecoin-project/lotus/chain/actors/builtin"
 	"github.com/filecoin-project/lotus/chain/actors/builtin/system"
 	"github.com/filecoin-project/lotus/chain/types"
 )
@@ -48,9 +47,9 @@ func SetupSystemActor(ctx context.Context, bs bstore.Blockstore, av actors.Versi
 		return nil, err
 	}
 
-	actcid, err := builtin.GetSystemActorCodeID(av)
-	if err != nil {
-		return nil, err
+	actcid, ok := actors.GetActorCodeID(av, actors.SystemKey)
+	if !ok {
+		return nil, xerrors.Errorf("failed to get system actor code ID for actors version %d", av)
 	}
 
 	act := &types.Actor{
diff --git a/chain/gen/genesis/f01_init.go b/chain/gen/genesis/f01_init.go
index b020f5a5f42..ddb448de929 100644
--- a/chain/gen/genesis/f01_init.go
+++ b/chain/gen/genesis/f01_init.go
@@ -16,7 +16,6 @@ import (
 
 	bstore "github.com/filecoin-project/lotus/blockstore"
 	"github.com/filecoin-project/lotus/chain/actors"
-	"github.com/filecoin-project/lotus/chain/actors/builtin"
 	init_ "github.com/filecoin-project/lotus/chain/actors/builtin/init"
 	"github.com/filecoin-project/lotus/chain/types"
 	"github.com/filecoin-project/lotus/genesis"
@@ -174,9 +173,9 @@ func SetupInitActor(ctx context.Context, bs bstore.Blockstore, netname string, i
 		return 0, nil, nil, err
 	}
 
-	actcid, err := builtin.GetInitActorCodeID(av)
-	if err != nil {
-		return 0, nil, nil, err
+	actcid, ok := actors.GetActorCodeID(av, actors.InitKey)
+	if !ok {
+		return 0, nil, nil, xerrors.Errorf("failed to get init actor code ID for actors version %d", av)
 	}
 
 	act := &types.Actor{
diff --git a/chain/gen/genesis/f02_reward.go b/chain/gen/genesis/f02_reward.go
index 2fd7709b621..0d0c1db0f28 100644
--- a/chain/gen/genesis/f02_reward.go
+++ b/chain/gen/genesis/f02_reward.go
@@ -4,6 +4,7 @@ import (
 	"context"
 
 	cbor "github.com/ipfs/go-ipld-cbor"
+	"golang.org/x/xerrors"
 
 	"github.com/filecoin-project/go-state-types/big"
 
@@ -11,7 +12,6 @@ import (
 	"github.com/filecoin-project/lotus/build"
 	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
-	"github.com/filecoin-project/lotus/chain/actors/builtin"
 	"github.com/filecoin-project/lotus/chain/actors/builtin/reward"
 	"github.com/filecoin-project/lotus/chain/types"
 )
@@ -28,9 +28,9 @@ func SetupRewardActor(ctx context.Context, bs bstore.Blockstore, qaPower big.Int
 		return nil, err
 	}
 
-	actcid, err := builtin.GetRewardActorCodeID(av)
-	if err != nil {
-		return nil, err
+	actcid, ok := actors.GetActorCodeID(av, actors.RewardKey)
+	if !ok {
+		return nil, xerrors.Errorf("failed to get reward actor code ID for actors version %d", av)
 	}
 
 	act := &types.Actor{
diff --git a/chain/gen/genesis/f03_cron.go b/chain/gen/genesis/f03_cron.go
index 1b24ff7e936..c9fe7c11850 100644
--- a/chain/gen/genesis/f03_cron.go
+++ b/chain/gen/genesis/f03_cron.go
@@ -4,13 +4,13 @@ import (
 	"context"
 
 	cbor "github.com/ipfs/go-ipld-cbor"
+	"golang.org/x/xerrors"
 
 	"github.com/filecoin-project/go-state-types/big"
 
 	bstore "github.com/filecoin-project/lotus/blockstore"
 	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
-	"github.com/filecoin-project/lotus/chain/actors/builtin"
 	"github.com/filecoin-project/lotus/chain/actors/builtin/cron"
 	"github.com/filecoin-project/lotus/chain/types"
 )
@@ -27,9 +27,9 @@ func SetupCronActor(ctx context.Context, bs bstore.Blockstore, av actors.Version
 		return nil, err
 	}
 
-	actcid, err := builtin.GetCronActorCodeID(av)
-	if err != nil {
-		return nil, err
+	actcid, ok := actors.GetActorCodeID(av, actors.CronKey)
+	if !ok {
+		return nil, xerrors.Errorf("failed to get cron actor code ID for actors version %d", av)
 	}
 
 	act := &types.Actor{
diff --git a/chain/gen/genesis/f04_power.go b/chain/gen/genesis/f04_power.go
index 7efa27733aa..20232c9b216 100644
--- a/chain/gen/genesis/f04_power.go
+++ b/chain/gen/genesis/f04_power.go
@@ -4,13 +4,13 @@ import (
 	"context"
 
 	cbor "github.com/ipfs/go-ipld-cbor"
+	"golang.org/x/xerrors"
 
 	"github.com/filecoin-project/go-state-types/big"
 	"github.com/filecoin-project/specs-actors/actors/util/adt"
 
 	bstore "github.com/filecoin-project/lotus/blockstore"
 	"github.com/filecoin-project/lotus/chain/actors"
-	"github.com/filecoin-project/lotus/chain/actors/builtin"
 	"github.com/filecoin-project/lotus/chain/actors/builtin/power"
 	"github.com/filecoin-project/lotus/chain/types"
 )
@@ -28,9 +28,9 @@ func SetupStoragePowerActor(ctx context.Context, bs bstore.Blockstore, av actors
 		return nil, err
 	}
 
-	actcid, err := builtin.GetPowerActorCodeID(av)
-	if err != nil {
-		return nil, err
+	actcid, ok := actors.GetActorCodeID(av, actors.PowerKey)
+	if !ok {
+		return nil, xerrors.Errorf("failed to get power actor code ID for actors version %d", av)
 	}
 
 	act := &types.Actor{
diff --git a/chain/gen/genesis/f05_market.go b/chain/gen/genesis/f05_market.go
index 880b027000b..9109e278488 100644
--- a/chain/gen/genesis/f05_market.go
+++ b/chain/gen/genesis/f05_market.go
@@ -4,13 +4,13 @@ import (
 	"context"
 
 	cbor "github.com/ipfs/go-ipld-cbor"
+	"golang.org/x/xerrors"
 
 	"github.com/filecoin-project/go-state-types/big"
 
 	bstore "github.com/filecoin-project/lotus/blockstore"
 	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/actors/adt"
-	"github.com/filecoin-project/lotus/chain/actors/builtin"
 	"github.com/filecoin-project/lotus/chain/actors/builtin/market"
 	"github.com/filecoin-project/lotus/chain/types"
 )
@@ -27,9 +27,9 @@ func SetupStorageMarketActor(ctx context.Context, bs bstore.Blockstore, av actor
 		return nil, err
 	}
 
-	actcid, err := builtin.GetMarketActorCodeID(av)
-	if err != nil {
-		return nil, err
+	actcid, ok := actors.GetActorCodeID(av, actors.MarketKey)
+	if !ok {
+		return nil, xerrors.Errorf("failed to get market actor code ID for actors version %d", av)
 	}
 
 	act := &types.Actor{
diff --git a/chain/gen/genesis/f06_vreg.go b/chain/gen/genesis/f06_vreg.go
index 07e17577405..381a115d4c0 100644
--- a/chain/gen/genesis/f06_vreg.go
+++ b/chain/gen/genesis/f06_vreg.go
@@ -4,6 +4,7 @@ import (
 	"context"
 
 	cbor "github.com/ipfs/go-ipld-cbor"
+	"golang.org/x/xerrors"
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/big"
@@ -11,7 +12,6 @@ import (
 
 	bstore "github.com/filecoin-project/lotus/blockstore"
 	"github.com/filecoin-project/lotus/chain/actors"
-	"github.com/filecoin-project/lotus/chain/actors/builtin"
 	"github.com/filecoin-project/lotus/chain/actors/builtin/verifreg"
 	"github.com/filecoin-project/lotus/chain/types"
 )
@@ -40,9 +40,9 @@ func SetupVerifiedRegistryActor(ctx context.Context, bs bstore.Blockstore, av ac
 		return nil, err
 	}
 
-	actcid, err := builtin.GetVerifregActorCodeID(av)
-	if err != nil {
-		return nil, err
+	actcid, ok := actors.GetActorCodeID(av, actors.VerifregKey)
+	if !ok {
+		return nil, xerrors.Errorf("failed to get verifreg actor code ID for actors version %d", av)
 	}
 
 	act := &types.Actor{
diff --git a/chain/gen/genesis/genesis.go b/chain/gen/genesis/genesis.go
index 6304fb7f8e4..1e2b3022c9e 100644
--- a/chain/gen/genesis/genesis.go
+++ b/chain/gen/genesis/genesis.go
@@ -367,9 +367,9 @@ func MakeAccountActor(ctx context.Context, cst cbor.IpldStore, av actors.Version
 		return nil, err
 	}
 
-	actcid, err := builtin.GetAccountActorCodeID(av)
-	if err != nil {
-		return nil, err
+	actcid, ok := actors.GetActorCodeID(av, actors.AccountKey)
+	if !ok {
+		return nil, xerrors.Errorf("failed to get account actor code ID for actors version %d", av)
 	}
 
 	act := &types.Actor{
@@ -449,9 +449,9 @@ func CreateMultisigAccount(ctx context.Context, cst cbor.IpldStore, state *state
 		return err
 	}
 
-	actcid, err := builtin.GetMultisigActorCodeID(av)
-	if err != nil {
-		return err
+	actcid, ok := actors.GetActorCodeID(av, actors.MultisigKey)
+	if !ok {
+		return xerrors.Errorf("failed to get multisig code ID for actors version %d", av)
 	}
 
 	err = state.SetActor(ida, &types.Actor{
diff --git a/storage/wdpost/wdpost_run_test.go b/storage/wdpost/wdpost_run_test.go
index a7846b32b67..9a11933fbfe 100644
--- a/storage/wdpost/wdpost_run_test.go
+++ b/storage/wdpost/wdpost_run_test.go
@@ -25,7 +25,6 @@ import (
 	"github.com/filecoin-project/lotus/api"
 	"github.com/filecoin-project/lotus/build"
 	"github.com/filecoin-project/lotus/chain/actors"
-	lbuiltin "github.com/filecoin-project/lotus/chain/actors/builtin"
 	"github.com/filecoin-project/lotus/chain/actors/policy"
 	"github.com/filecoin-project/lotus/chain/types"
 	"github.com/filecoin-project/lotus/journal"
@@ -309,9 +308,9 @@ func (m *mockStorageMinerAPI) StateMinerProvingDeadline(ctx context.Context, add
 }
 
 func (m *mockStorageMinerAPI) StateGetActor(ctx context.Context, actor address.Address, ts types.TipSetKey) (*types.Actor, error) {
-	code, err := lbuiltin.GetMinerActorCodeID(actors.Version7)
-	if err != nil {
-		return nil, err
+	code, ok := actors.GetActorCodeID(actors.Version7, actors.MinerKey)
+	if !ok {
+		return nil, xerrors.Errorf("failed to get miner actor code ID for actors version %d", actors.Version7)
 	}
 	return &types.Actor{
 		Code: code,