lib/bitcoin/builder.rb in bitcoin-ruby-0.0.4 vs lib/bitcoin/builder.rb in bitcoin-ruby-0.0.5

@@ -207,11 +207,11 @@
       def initialize
         @txin = P::TxIn.new
       end
 
       # previous transaction that contains the output we want to use.
-      def prev_out tx
-        @prev_out = tx
+      def prev_out tx, idx = nil
+        @prev_out, @prev_out_index = tx, idx
       end
 
       # index of the output in the #prev_out transaction.
       def prev_out_index i
         @prev_out_index = i