X-Git-Url: http://git.osdn.net/view?p=bytom%2Fvapor.git;a=blobdiff_plain;f=protocol%2Fbc%2Ftx.go;h=0702e4ced421f714a65339ff5aada17b8f5ffad5;hp=fd76dddaf0ba1e65ca29222a7744201ffbd5ca99;hb=ce85135aab7643cff4426cab11f1b822ad3ef264;hpb=571174f9f9a4e942512505e21dcfa7af06dc3613

diff --git a/protocol/bc/tx.go b/protocol/bc/tx.go
index fd76ddda..0702e4ce 100644
--- a/protocol/bc/tx.go
+++ b/protocol/bc/tx.go
@@ -82,6 +82,19 @@ func (tx *Tx) Spend(id Hash) (*Spend, error) {
 	return sp, nil
 }
 
+// VetoInput try to get the veto entry by given hash
+func (tx *Tx) VetoInput(id Hash) (*VetoInput, error) {
+	e, ok := tx.Entries[id]
+	if !ok || e == nil {
+		return nil, errors.Wrapf(ErrMissingEntry, "id %x", id.Bytes())
+	}
+	sp, ok := e.(*VetoInput)
+	if !ok {
+		return nil, errors.Wrapf(ErrEntryType, "entry %x has unexpected type %T", id.Bytes(), e)
+	}
+	return sp, nil
+}
+
 // VoteOutput try to get the vote output entry by given hash
 func (tx *Tx) VoteOutput(id Hash) (*VoteOutput, error) {
 	e, ok := tx.Entries[id]