tx.rb in bitcoin-ruby-0.0.9

- old
+ new

@@ -259,10 +259,10 @@
         ins  = h['in']  || h['inputs']
         outs = h['out'] || h['outputs']
         ins .each{|input|   tx.add_in  TxIn.from_hash(input)   }
         outs.each{|output|  tx.add_out TxOut.from_hash(output) }
         tx.instance_eval{ @hash = hash_from_payload(@payload = to_payload) }
-        unless h['hash'] == tx.hash
+        if h['hash'] && (h['hash'] != tx.hash)
           raise "Tx hash mismatch! Claimed: #{h['hash']}, Actual: #{tx.hash}" if do_raise
         end
         tx
       end
 