lotus/chain/actors/builtin/account/account.go
Steven Allen d9656f5220 add a generic load method for actor state
This will make it easier to load arbitrary actors. We can:

* Type switch (sort of unsafe, may want marker methods?)
* Use this with `vm.MutateActorState`.
2020-09-25 12:49:39 -07:00

42 lines
1.1 KiB
Go

package account
import (
"golang.org/x/xerrors"
"github.com/filecoin-project/go-address"
"github.com/filecoin-project/go-state-types/cbor"
"github.com/ipfs/go-cid"
"github.com/filecoin-project/lotus/chain/actors/adt"
"github.com/filecoin-project/lotus/chain/actors/builtin"
"github.com/filecoin-project/lotus/chain/types"
builtin0 "github.com/filecoin-project/specs-actors/actors/builtin"
builtin1 "github.com/filecoin-project/specs-actors/v2/actors/builtin"
)
func init() {
builtin.RegisterActorState(builtin0.AccountActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
return load0(store, root)
})
builtin.RegisterActorState(builtin1.AccountActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
return load1(store, root)
})
}
func Load(store adt.Store, act *types.Actor) (State, error) {
switch act.Code {
case builtin0.AccountActorCodeID:
return load0(store, act.Head)
case builtin1.AccountActorCodeID:
return load1(store, act.Head)
}
return nil, xerrors.Errorf("unknown actor code %s", act.Code)
}
type State interface {
cbor.Marshaler
PubkeyAddress() (address.Address, error)
}