raiden_service.py 文件源码

def send_and_wait(self, recipient, message, timeout):
        """ Send `message` to `recipient` and wait for the response or `timeout`.

        Args:
            recipient (address): The address of the node that will receive the
                message.
            message: The transfer message.
            timeout (float): How long should we wait for a response from `recipient`.

        Returns:
            None: If the wait timed out
            object: The result from the event
        """
        if not isaddress(recipient):
            raise ValueError('recipient is not a valid address.')

        self.protocol.send_and_wait(recipient, message, timeout)