TODO add docstring

def store_data_blob(self, hexdata, wifs, change_address=None,
                        txouts=None, fee=10000, lock_time=0,
                        dust_limit=common.DUST_LIMIT):
        """TODO add docstring"""
        rawtx = self.create_tx(txouts=txouts, lock_time=lock_time)
        rawtx = self.add_data_blob(rawtx, hexdata, dust_limit=dust_limit)
        rawtx = self.add_inputs(rawtx, wifs, change_address=change_address,
                                fee=fee)
        return self.publish(rawtx)