<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def handleConfigTxn(self, txn) -> None: """ Handles transaction of type POOL_CONFIG :param txn: """

        if get_type(txn) == POOL_CONFIG:
            self.writes = get_payload_data(txn)[WRITES]