def _handle_trades(self, dtype, data, ts):
        """Files trades in self._trades[chan_id].

        :param dtype:
        :param data:
        :param ts:
        :return:
        """
        self.log.debug("_handle_trades: %s - %s - %s", dtype, data, ts)
        channel_id, *data = data
        channel_identifier = self.channel_directory[channel_id]
        entry = (data, ts)
        self.trades[channel_identifier].put(entry)