lotus/chain/actors/builtin/power/power.go

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package power
import (
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"golang.org/x/xerrors"
"github.com/filecoin-project/go-state-types/abi"
"github.com/filecoin-project/go-state-types/cbor"
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v0builtin "github.com/filecoin-project/specs-actors/actors/builtin"
"github.com/filecoin-project/lotus/chain/actors/adt"
"github.com/filecoin-project/lotus/chain/types"
)
func Load(store adt.Store, act *types.Actor) (st State, err error) {
switch act.Code {
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case v0builtin.StoragePowerActorCodeID:
out := v0State{store: store}
err := store.Get(store.Context(), act.Head, &out)
if err != nil {
return nil, err
}
return &out, nil
}
return nil, xerrors.Errorf("unknown actor code %s", act.Code)
}
type State interface {
cbor.Marshaler
TotalLocked() (abi.TokenAmount, error)
}