lotus/chain/actors/builtin/system/state.go.template
frrist e61b9b2a65 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
2022-11-16 17:22:18 -08:00

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package system
import (
"fmt"
actorstypes "github.com/filecoin-project/go-state-types/actors"
"github.com/ipfs/go-cid"
"github.com/filecoin-project/lotus/chain/actors/adt"
"github.com/filecoin-project/lotus/chain/actors"
{{if (le .v 7)}}
system{{.v}} "github.com/filecoin-project/specs-actors{{.import}}actors/builtin/system"
"golang.org/x/xerrors"
{{else}}
system{{.v}} "github.com/filecoin-project/go-state-types/builtin{{.import}}system"
{{end}}
)
var _ State = (*state{{.v}})(nil)
func load{{.v}}(store adt.Store, root cid.Cid) (State, error) {
out := state{{.v}}{store: store}
err := store.Get(store.Context(), root, &out)
if err != nil {
return nil, err
}
return &out, nil
}
func make{{.v}}(store adt.Store{{if (ge .v 8)}}, builtinActors cid.Cid{{end}}) (State, error) {
out := state{{.v}}{store: store}
out.State = system{{.v}}.State{
{{if (ge .v 8)}}BuiltinActors: builtinActors,{{end}}
}
return &out, nil
}
type state{{.v}} struct {
system{{.v}}.State
store adt.Store
}
func (s *state{{.v}}) GetState() interface{} {
return &s.State
}
func (s *state{{.v}}) GetBuiltinActors() cid.Cid {
{{if (le .v 7)}}
return cid.Undef
{{else}}
return s.State.BuiltinActors
{{end}}
}
func (s *state{{.v}}) SetBuiltinActors(c cid.Cid) error {
{{if (le .v 7)}}
return xerrors.New("cannot set manifest cid before v8")
{{else}}
s.State.BuiltinActors = c
return nil
{{end}}
}
func (s *state{{.v}}) ActorKey() string {
return actors.SystemKey
}
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
}