Generate builtin.go

chain/actors/agen/main.go

@@ -45,6 +45,11 @@ func main() {
 		fmt.Println(err)
 		return
 	}
+
+	if err := generateBuiltin("chain/actors/builtin/builtin.go"); err != nil {
+		fmt.Println(err)
+		return
+	}
 }
 
 func generateAdapters() error {
@@ -158,7 +163,7 @@ func generatePolicy(policyPath string) error {
 			return nil // skip
 		}
 
-		return xerrors.Errorf("loading policy file: %w", err)
+		return xerrors.Errorf("loading policy template file: %w", err)
 	}
 
 	tpl := template.Must(template.New("").Funcs(template.FuncMap{
@@ -180,3 +185,34 @@ func generatePolicy(policyPath string) error {
 
 	return nil
 }
+
+func generateBuiltin(builtinPath string) error {
+
+	bf, err := ioutil.ReadFile(builtinPath + ".template")
+	if err != nil {
+		if os.IsNotExist(err) {
+			return nil // skip
+		}
+
+		return xerrors.Errorf("loading builtin template file: %w", err)
+	}
+
+	tpl := template.Must(template.New("").Funcs(template.FuncMap{
+		"import": func(v int) string { return versionImports[v] },
+	}).Parse(string(bf)))
+	var b bytes.Buffer
+
+	err = tpl.Execute(&b, map[string]interface{}{
+		"versions":      versions,
+		"latestVersion": latestVersion,
+	})
+	if err != nil {
+		return err
+	}
+
+	if err := ioutil.WriteFile(builtinPath, b.Bytes(), 0666); err != nil {
+		return err
+	}
+
+	return nil
+}

chain/actors/builtin/builtin.go

@@ -6,9 +6,16 @@ import (
 	"golang.org/x/xerrors"
 
 	builtin0 "github.com/filecoin-project/specs-actors/actors/builtin"
+	smoothing0 "github.com/filecoin-project/specs-actors/actors/util/smoothing"
+
 	builtin2 "github.com/filecoin-project/specs-actors/v2/actors/builtin"
+	smoothing2 "github.com/filecoin-project/specs-actors/v2/actors/util/smoothing"
+
 	builtin3 "github.com/filecoin-project/specs-actors/v3/actors/builtin"
+	smoothing3 "github.com/filecoin-project/specs-actors/v3/actors/util/smoothing"
+
 	builtin4 "github.com/filecoin-project/specs-actors/v4/actors/builtin"
+	smoothing4 "github.com/filecoin-project/specs-actors/v4/actors/util/smoothing"
 
 	"github.com/filecoin-project/go-state-types/abi"
 	"github.com/filecoin-project/go-state-types/cbor"
@@ -16,30 +23,25 @@ import (
 	"github.com/filecoin-project/lotus/chain/actors/adt"
 	"github.com/filecoin-project/lotus/chain/types"
 
-	smoothing0 "github.com/filecoin-project/specs-actors/actors/util/smoothing"
-	smoothing2 "github.com/filecoin-project/specs-actors/v2/actors/util/smoothing"
-	smoothing3 "github.com/filecoin-project/specs-actors/v3/actors/util/smoothing"
-	smoothing4 "github.com/filecoin-project/specs-actors/v4/actors/util/smoothing"
-
-	miner0 "github.com/filecoin-project/specs-actors/actors/builtin/miner"
-	proof0 "github.com/filecoin-project/specs-actors/actors/runtime/proof"
+	miner4 "github.com/filecoin-project/specs-actors/v4/actors/builtin/miner"
+	proof4 "github.com/filecoin-project/specs-actors/v4/actors/runtime/proof"
 )
 
-var SystemActorAddr = builtin0.SystemActorAddr
-var BurntFundsActorAddr = builtin0.BurntFundsActorAddr
-var CronActorAddr = builtin0.CronActorAddr
+var SystemActorAddr = builtin4.SystemActorAddr
+var BurntFundsActorAddr = builtin4.BurntFundsActorAddr
+var CronActorAddr = builtin4.CronActorAddr
 var SaftAddress = makeAddress("t0122")
 var ReserveAddress = makeAddress("t090")
 var RootVerifierAddress = makeAddress("t080")
 
 var (
-	ExpectedLeadersPerEpoch = builtin0.ExpectedLeadersPerEpoch
+	ExpectedLeadersPerEpoch = builtin4.ExpectedLeadersPerEpoch
 )
 
 const (
-	EpochDurationSeconds = builtin0.EpochDurationSeconds
-	EpochsInDay          = builtin0.EpochsInDay
-	SecondsInDay         = builtin0.SecondsInDay
+	EpochDurationSeconds = builtin4.EpochDurationSeconds
+	EpochsInDay          = builtin4.EpochsInDay
+	SecondsInDay         = builtin4.SecondsInDay
 )
 
 const (
@@ -47,31 +49,38 @@ const (
 	MethodConstructor = builtin4.MethodConstructor
 )
 
-// These are all just type aliases across actor versions 0, 2, & 3. In the future, that might change
+// These are all just type aliases across actor versions. In the future, that might change
 // and we might need to do something fancier.
-type SectorInfo = proof0.SectorInfo
-type PoStProof = proof0.PoStProof
+type SectorInfo = proof4.SectorInfo
+type PoStProof = proof4.PoStProof
 type FilterEstimate = smoothing0.FilterEstimate
 
-func FromV0FilterEstimate(v0 smoothing0.FilterEstimate) FilterEstimate {
-	return (FilterEstimate)(v0) //nolint:unconvert
+func QAPowerForWeight(size abi.SectorSize, duration abi.ChainEpoch, dealWeight, verifiedWeight abi.DealWeight) abi.StoragePower {
+	return miner4.QAPowerForWeight(size, duration, dealWeight, verifiedWeight)
 }
 
-// Doesn't change between actors v0, v2, and v3.
-func QAPowerForWeight(size abi.SectorSize, duration abi.ChainEpoch, dealWeight, verifiedWeight abi.DealWeight) abi.StoragePower {
-	return miner0.QAPowerForWeight(size, duration, dealWeight, verifiedWeight)
+func FromV0FilterEstimate(v0 smoothing0.FilterEstimate) FilterEstimate {
+
+	return (FilterEstimate)(v0) //nolint:unconvert
+
 }
 
 func FromV2FilterEstimate(v2 smoothing2.FilterEstimate) FilterEstimate {
+
 	return (FilterEstimate)(v2)
+
 }
 
 func FromV3FilterEstimate(v3 smoothing3.FilterEstimate) FilterEstimate {
+
 	return (FilterEstimate)(v3)
+
 }
 
 func FromV4FilterEstimate(v4 smoothing4.FilterEstimate) FilterEstimate {
+
 	return (FilterEstimate)(v4)
+
 }
 
 type ActorStateLoader func(store adt.Store, root cid.Cid) (cbor.Marshaler, error)
@@ -92,52 +101,127 @@ func Load(store adt.Store, act *types.Actor) (cbor.Marshaler, error) {
 
 func ActorNameByCode(c cid.Cid) string {
 	switch {
+
 	case builtin0.IsBuiltinActor(c):
 		return builtin0.ActorNameByCode(c)
+
 	case builtin2.IsBuiltinActor(c):
 		return builtin2.ActorNameByCode(c)
+
 	case builtin3.IsBuiltinActor(c):
 		return builtin3.ActorNameByCode(c)
+
 	case builtin4.IsBuiltinActor(c):
 		return builtin4.ActorNameByCode(c)
+
 	default:
 		return "<unknown>"
 	}
 }
 
 func IsBuiltinActor(c cid.Cid) bool {
-	return builtin0.IsBuiltinActor(c) ||
-		builtin2.IsBuiltinActor(c) ||
-		builtin3.IsBuiltinActor(c) ||
-		builtin4.IsBuiltinActor(c)
+
+	if builtin0.IsBuiltinActor(c) {
+		return true
+	}
+
+	if builtin2.IsBuiltinActor(c) {
+		return true
+	}
+
+	if builtin3.IsBuiltinActor(c) {
+		return true
+	}
+
+	if builtin4.IsBuiltinActor(c) {
+		return true
+	}
+
+	return false
 }
 
 func IsAccountActor(c cid.Cid) bool {
-	return c == builtin0.AccountActorCodeID ||
-		c == builtin2.AccountActorCodeID ||
-		c == builtin3.AccountActorCodeID ||
-		c == builtin4.AccountActorCodeID
+
+	if c == builtin0.AccountActorCodeID {
+		return true
+	}
+
+	if c == builtin2.AccountActorCodeID {
+		return true
+	}
+
+	if c == builtin3.AccountActorCodeID {
+		return true
+	}
+
+	if c == builtin4.AccountActorCodeID {
+		return true
+	}
+
+	return false
 }
 
 func IsStorageMinerActor(c cid.Cid) bool {
-	return c == builtin0.StorageMinerActorCodeID ||
-		c == builtin2.StorageMinerActorCodeID ||
-		c == builtin3.StorageMinerActorCodeID ||
-		c == builtin4.StorageMinerActorCodeID
+
+	if c == builtin0.StorageMinerActorCodeID {
+		return true
+	}
+
+	if c == builtin2.StorageMinerActorCodeID {
+		return true
+	}
+
+	if c == builtin3.StorageMinerActorCodeID {
+		return true
+	}
+
+	if c == builtin4.StorageMinerActorCodeID {
+		return true
+	}
+
+	return false
 }
 
 func IsMultisigActor(c cid.Cid) bool {
-	return c == builtin0.MultisigActorCodeID ||
-		c == builtin2.MultisigActorCodeID ||
-		c == builtin3.MultisigActorCodeID ||
-		c == builtin4.MultisigActorCodeID
+
+	if c == builtin0.MultisigActorCodeID {
+		return true
+	}
+
+	if c == builtin2.MultisigActorCodeID {
+		return true
+	}
+
+	if c == builtin3.MultisigActorCodeID {
+		return true
+	}
+
+	if c == builtin4.MultisigActorCodeID {
+		return true
+	}
+
+	return false
 }
 
 func IsPaymentChannelActor(c cid.Cid) bool {
-	return c == builtin0.PaymentChannelActorCodeID ||
-		c == builtin2.PaymentChannelActorCodeID ||
-		c == builtin3.PaymentChannelActorCodeID ||
-		c == builtin4.PaymentChannelActorCodeID
+
+	if c == builtin0.PaymentChannelActorCodeID {
+		return true
+	}
+
+	if c == builtin2.PaymentChannelActorCodeID {
+		return true
+	}
+
+	if c == builtin3.PaymentChannelActorCodeID {
+		return true
+	}
+
+	if c == builtin4.PaymentChannelActorCodeID {
+		return true
+	}
+
+	return false
 }
 
 func makeAddress(addr string) address.Address {

chain/actors/builtin/builtin.go.template

@@ -0,0 +1,144 @@
+package builtin
+
+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"
+        smoothing{{.}} "github.com/filecoin-project/specs-actors{{import .}}actors/util/smoothing"
+    {{end}}
+
+	"github.com/filecoin-project/go-state-types/abi"
+	"github.com/filecoin-project/go-state-types/cbor"
+
+	"github.com/filecoin-project/lotus/chain/actors/adt"
+	"github.com/filecoin-project/lotus/chain/types"
+
+	miner{{.latestVersion}} "github.com/filecoin-project/specs-actors{{import .latestVersion}}actors/builtin/miner"
+	proof{{.latestVersion}}  "github.com/filecoin-project/specs-actors{{import .latestVersion}}actors/runtime/proof"
+)
+
+var SystemActorAddr = builtin{{.latestVersion}}.SystemActorAddr
+var BurntFundsActorAddr = builtin{{.latestVersion}}.BurntFundsActorAddr
+var CronActorAddr = builtin{{.latestVersion}}.CronActorAddr
+var SaftAddress = makeAddress("t0122")
+var ReserveAddress = makeAddress("t090")
+var RootVerifierAddress = makeAddress("t080")
+
+var (
+	ExpectedLeadersPerEpoch = builtin{{.latestVersion}}.ExpectedLeadersPerEpoch
+)
+
+const (
+	EpochDurationSeconds = builtin{{.latestVersion}}.EpochDurationSeconds
+	EpochsInDay          = builtin{{.latestVersion}}.EpochsInDay
+	SecondsInDay         = builtin{{.latestVersion}}.SecondsInDay
+)
+
+const (
+	MethodSend        = builtin{{.latestVersion}}.MethodSend
+	MethodConstructor = builtin{{.latestVersion}}.MethodConstructor
+)
+
+// These are all just type aliases across actor versions. In the future, that might change
+// and we might need to do something fancier.
+type SectorInfo = proof{{.latestVersion}}.SectorInfo
+type PoStProof = proof{{.latestVersion}}.PoStProof
+type FilterEstimate = smoothing0.FilterEstimate
+
+func QAPowerForWeight(size abi.SectorSize, duration abi.ChainEpoch, dealWeight, verifiedWeight abi.DealWeight) abi.StoragePower {
+	return miner{{.latestVersion}}.QAPowerForWeight(size, duration, dealWeight, verifiedWeight)
+}
+
+{{range .versions}}
+    func FromV{{.}}FilterEstimate(v{{.}} smoothing{{.}}.FilterEstimate) FilterEstimate {
+	{{if (eq . 0)}}
+	    return (FilterEstimate)(v{{.}}) //nolint:unconvert
+    {{else}}
+        return (FilterEstimate)(v{{.}})
+    {{end}}
+    }
+{{end}}
+
+type ActorStateLoader func(store adt.Store, root cid.Cid) (cbor.Marshaler, error)
+
+var ActorStateLoaders = make(map[cid.Cid]ActorStateLoader)
+
+func RegisterActorState(code cid.Cid, loader ActorStateLoader) {
+	ActorStateLoaders[code] = loader
+}
+
+func Load(store adt.Store, act *types.Actor) (cbor.Marshaler, error) {
+	loader, found := ActorStateLoaders[act.Code]
+	if !found {
+		return nil, xerrors.Errorf("unknown actor code %s", act.Code)
+	}
+	return loader(store, act.Head)
+}
+
+func ActorNameByCode(c cid.Cid) string {
+	switch {
+        {{range .versions}}
+            case builtin{{.}}.IsBuiltinActor(c):
+            return builtin{{.}}.ActorNameByCode(c)
+        {{end}}
+	default:
+		return "<unknown>"
+	}
+}
+
+func IsBuiltinActor(c cid.Cid) bool {
+    {{range .versions}}
+        if builtin{{.}}.IsBuiltinActor(c) {
+            return true
+        }
+    {{end}}
+    return false
+}
+
+func IsAccountActor(c cid.Cid) bool {
+    {{range .versions}}
+        if c == builtin{{.}}.AccountActorCodeID {
+            return true
+        }
+    {{end}}
+    return false
+}
+
+func IsStorageMinerActor(c cid.Cid) bool {
+    {{range .versions}}
+        if c == builtin{{.}}.StorageMinerActorCodeID {
+            return true
+        }
+    {{end}}
+    return false
+}
+
+func IsMultisigActor(c cid.Cid) bool {
+    {{range .versions}}
+        if c == builtin{{.}}.MultisigActorCodeID {
+            return true
+        }
+    {{end}}
+    return false
+}
+
+func IsPaymentChannelActor(c cid.Cid) bool {
+    {{range .versions}}
+        if c == builtin{{.}}.PaymentChannelActorCodeID {
+            return true
+        }
+    {{end}}
+    return false
+}
+
+func makeAddress(addr string) address.Address {
+	ret, err := address.NewFromString(addr)
+	if err != nil {
+		panic(err)
+	}
+
+	return ret
+}

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

@@ -12,8 +12,7 @@ import (
 	"github.com/filecoin-project/go-state-types/cbor"
 	"github.com/ipfs/go-cid"
 
-	msig0 "github.com/filecoin-project/specs-actors/actors/builtin/multisig"
-	msig4 "github.com/filecoin-project/specs-actors/v4/actors/builtin/multisig"
+	msig{{.latestVersion}} "github.com/filecoin-project/specs-actors/v4/actors/builtin/multisig"
 {{range .versions}}
 	builtin{{.}} "github.com/filecoin-project/specs-actors{{import .}}actors/builtin"
 {{end}}
@@ -58,7 +57,7 @@ type State interface {
 	decodeTransaction(val *cbg.Deferred) (Transaction, error)
 }
 
-type Transaction = msig0.Transaction
+type Transaction = msig{{.latestVersion}}.Transaction
 
 var Methods = builtin{{.latestVersion}}.MethodsMultisig
 
@@ -95,7 +94,7 @@ type ProposeReturn = msig{{.latestVersion}}.ProposeReturn
 type ProposeParams = msig{{.latestVersion}}.ProposeParams
 
 func txnParams(id uint64, data *ProposalHashData) ([]byte, error) {
-	params := msig{{.latestVersion}}.TxnIDParams{ID: msig4.TxnID(id)}
+	params := msig{{.latestVersion}}.TxnIDParams{ID: msig{{.latestVersion}}.TxnID(id)}
 	if data != nil {
 		if data.Requester.Protocol() != address.ID {
 			return nil, xerrors.Errorf("proposer address must be an ID address, was %s", data.Requester)

chain/actors/builtin/multisig/multisig.go

@@ -12,7 +12,6 @@ import (
 	"github.com/filecoin-project/go-state-types/cbor"
 	"github.com/ipfs/go-cid"
 
-	msig0 "github.com/filecoin-project/specs-actors/actors/builtin/multisig"
 	msig4 "github.com/filecoin-project/specs-actors/v4/actors/builtin/multisig"
 
 	builtin0 "github.com/filecoin-project/specs-actors/actors/builtin"
@@ -84,7 +83,7 @@ type State interface {
 	decodeTransaction(val *cbg.Deferred) (Transaction, error)
 }
 
-type Transaction = msig0.Transaction
+type Transaction = msig4.Transaction
 
 var Methods = builtin4.MethodsMultisig
 

chain/actors/policy/policy.go.template

@@ -161,6 +161,7 @@ func GetWinningPoStSectorSetLookback(nwVer network.Version) abi.ChainEpoch {
 		return 10
 	}
 
+    // NOTE: if this ever changes, adjust it in a (*Miner).mineOne() logline as well
 	return ChainFinality
 }