fix https://github.com/Bytom/vapor/pull/77#discussion_r286744322

diff --git a/asset/builder.go b/asset/builder.go
index 5b7d333..57dd2a0 100644 (file)
--- a/asset/builder.go
+++ b/asset/builder.go
@@ -56,11 +56,12 @@ func (a *crossInAction) Build(ctx context.Context, builder *txbuilder.TemplateBu
                return ErrSerializing
        }
 
-       fed := federation.GetFederation()
+       // need to fill in issuance program here
        // arguments will be set when materializeWitnesses
-       txin := types.NewCrossChainInput(nil, a.SourceID, *a.AssetId, a.Amount, a.SourcePos, fed.ControlProgram, rawDefinitionByte)
+       txin := types.NewCrossChainInput(nil, a.SourceID, *a.AssetId, a.Amount, a.SourcePos, nil, rawDefinitionByte)
        log.Info("cross-chain input action built")
        tplIn := &txbuilder.SigningInstruction{}
+       fed := federation.GetFederation()
        tplIn.AddRawWitnessKeys(fed.XPubs, fed.Path, fed.Quorum)
        a.reg.db.Set(sourceKey, []byte("true"))
        return builder.AddInput(txin, tplIn)