lotus/chain/actors/builtin/evm/evm.go
2023-02-09 13:12:16 +01:00

56 lines
1.3 KiB
Go

package evm
import (
"github.com/ipfs/go-cid"
"golang.org/x/xerrors"
actorstypes "github.com/filecoin-project/go-state-types/actors"
builtin10 "github.com/filecoin-project/go-state-types/builtin"
"github.com/filecoin-project/go-state-types/cbor"
"github.com/filecoin-project/go-state-types/manifest"
"github.com/filecoin-project/lotus/chain/actors"
"github.com/filecoin-project/lotus/chain/actors/adt"
"github.com/filecoin-project/lotus/chain/types"
)
var Methods = builtin10.MethodsEVM
func Load(store adt.Store, act *types.Actor) (State, error) {
if name, av, ok := actors.GetActorMetaByCode(act.Code); ok {
if name != manifest.EvmKey {
return nil, xerrors.Errorf("actor code is not evm: %s", name)
}
switch av {
case actorstypes.Version10:
return load10(store, act.Head)
}
}
return nil, xerrors.Errorf("unknown actor code %s", act.Code)
}
func MakeState(store adt.Store, av actorstypes.Version, bytecode cid.Cid) (State, error) {
switch av {
case actorstypes.Version10:
return make10(store, bytecode)
default:
return nil, xerrors.Errorf("evm actor only valid for actors v10 and above, got %d", av)
}
}
type State interface {
cbor.Marshaler
Nonce() (uint64, error)
GetState() interface{}
GetBytecodeCID() (cid.Cid, error)
GetBytecodeHash() ([32]byte, error)
}