def _get_block_receipts(self, block_hash, num):
        """Get block transaction receipts by block header hash & number.

        :param block_hash:
        :param num:
        :return:
        """
        number = _format_block_number(num)
        receipts_key = block_receipts_prefix + number + block_hash
        receipts_data = self.db.get(receipts_key)
        receipts = rlp.decode(receipts_data, sedes=CountableList(ReceiptForStorage))
        return receipts
Get block transaction receipts by block header hash & number.

        :param block_hash:
        :param num:
        :return: