Add validate votetx (#64)

[bytom/vapor.git] / protocol / bc / tx.go

diff --git a/protocol/bc/tx.go b/protocol/bc/tx.go
index cf5f763..9b00d39 100644 (file)
--- a/protocol/bc/tx.go
+++ b/protocol/bc/tx.go
@@ -59,6 +59,15 @@ func (tx *Tx) CrossChainOutput(id Hash) (*CrossChainOutput, error) {
        return o, nil
 }
 
+// Entry try to get the  entry by given hash
+func (tx *Tx) Entry(id Hash) (Entry, error) {
+       e, ok := tx.Entries[id]
+       if !ok || e == nil {
+               return nil, errors.Wrapf(ErrMissingEntry, "id %x", id.Bytes())
+       }
+       return e, nil
+}
+
 // Spend try to get the spend entry by given hash
 func (tx *Tx) Spend(id Hash) (*Spend, error) {
        e, ok := tx.Entries[id]