Decodes the given transaction.

        Args:
            tx: hex of transaction
        Returns:
            decoded transaction

        .. note:: Only supported for blockr.io at the moment.

def decode(self, tx):
        """
        Decodes the given transaction.

        Args:
            tx: hex of transaction
        Returns:
            decoded transaction

        .. note:: Only supported for blockr.io at the moment.

        """
        if not isinstance(self._service, BitcoinBlockrService):
            raise NotImplementedError('Currently only supported for "blockr.io"')
        return self._service.decode(tx)