def refund_coin_output_set(self, value, condition, id=None):
co = CoinOutput(value=value, condition=condition)
co.id = id
self._refund_coin_output = co
def coin_output_add(self, value, condition, id=None):
co = CoinOutput(value=value, condition=condition)
co.id = id
self._coin_outputs.append(co)