docs: def send(self):
          """I send data through a wormhole and return True/False
          depending on whether or not the hash matched at the receive
          side.
          """
          def _confirm(input_message):
              if input_message == 'Confirmed!':
                  self.confirmed = True
  
          yield self.start_tor()
          self._w = wormhole.create(u'axotor', RENDEZVOUS_RELAY, self._reactor,
                                    tor=self._tor, timing=self._timing)
          self._w.set_code(self._code)
          self._w.send_message(self.data+h.sha256(self.data).hexdigest())
          yield self._w.get_message().addCallback(_confirm)
          yield self._w.close()
          self._reactor.stop()
          return