optimise

diff --git a/api/transact.go b/api/transact.go
index e933b7e..b4bb600 100644 (file)
--- a/api/transact.go
+++ b/api/transact.go
@@ -212,8 +212,8 @@ func (a *API) estimateTxGas(ctx context.Context, in struct {
                        continue
                }
 
-               resOut, ok := in.TxTemplate.Transaction.Entries[*sp.SpentOutputId].(*bc.Output)
-               if !ok {
+               resOut, err := in.TxTemplate.Transaction.Output(*sp.SpentOutputId)
+               if err != nil {
                        continue
                }