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vm: fix ReadState

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This commit is contained in:
Łukasz Magiera 2019-09-13 20:16:39 +02:00
parent 874b33781d
commit 0406705490
1 changed files with 7 additions and 3 deletions
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10
chain/vm/invoker.go
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@ -6,11 +6,10 @@ import (
"reflect"
"github.com/ipfs/go-cid"
cbor "github.com/ipfs/go-ipld-cbor"
cbg "github.com/whyrusleeping/cbor-gen"
"golang.org/x/xerrors"
actors "github.com/filecoin-project/go-lotus/chain/actors"
"github.com/filecoin-project/go-lotus/chain/actors"
"github.com/filecoin-project/go-lotus/chain/actors/aerrors"
"github.com/filecoin-project/go-lotus/chain/types"
)
@ -161,7 +160,12 @@ func DumpActorState(code cid.Cid, b []byte) (interface{}, error) {
}
rv := reflect.New(typ)
if err := cbor.DecodeInto(b, rv.Interface()); err != nil {
um, ok := rv.Interface().(cbg.CBORUnmarshaler)
if !ok {
return nil, xerrors.New("state type does not implement CBORUnmarshaler")
}
if err := um.UnmarshalCBOR(bytes.NewReader(b)); err != nil {
return nil, err
}