lotus/chain/gen/genesis/f00_system.go

63 lines
1.5 KiB
Go

package genesis
import (
"context"
"golang.org/x/xerrors"
"github.com/filecoin-project/go-state-types/big"
"github.com/filecoin-project/lotus/chain/actors"
"github.com/filecoin-project/lotus/chain/actors/adt"
"github.com/filecoin-project/lotus/chain/actors/builtin/system"
"github.com/filecoin-project/specs-actors/v8/actors/builtin/manifest"
system8 "github.com/filecoin-project/specs-actors/v8/actors/builtin/system"
cbor "github.com/ipfs/go-ipld-cbor"
bstore "github.com/filecoin-project/lotus/blockstore"
"github.com/filecoin-project/lotus/chain/types"
)
func SetupSystemActor(ctx context.Context, bs bstore.Blockstore, av actors.Version) (*types.Actor, error) {
cst := cbor.NewCborStore(bs)
st, err := system.MakeState(adt.WrapStore(ctx, cst), av)
if err != nil {
return nil, err
}
if av >= actors.Version8 {
mfCid, ok := actors.GetManifest(av)
if !ok {
return nil, xerrors.Errorf("missing manifest for actors version %d", av)
}
mf := manifest.Manifest{}
if err := cst.Get(ctx, mfCid, &mf); err != nil {
return nil, xerrors.Errorf("loading manifest for actors version %d: %w", av, err)
}
st8 := st.GetState().(*system8.State)
st8.BuiltinActors = mf.Data
}
statecid, err := cst.Put(ctx, st.GetState())
if err != nil {
return nil, err
}
actcid, err := system.GetActorCodeID(av)
if err != nil {
return nil, err
}
act := &types.Actor{
Code: actcid,
Head: statecid,
Balance: big.Zero(),
}
return act, nil
}