def validate_id()

in resdb_driver/transaction.py [0:0]

• 15 lines of code
• 3 McCabe index (conditional complexity)

    def validate_id(tx_body):
        """! Validate the transaction ID of a transaction
        @param tx_body (dict): The Transaction to be transformed.
        """
        # NOTE: Remove reference to avoid side effects
        tx_body = deepcopy(tx_body)
        try:
            proposed_tx_id = tx_body["id"]
        except KeyError:
            raise InvalidHash("No transaction id found!")

        tx_body["id"] = None

        tx_body_serialized = Transaction._to_str(tx_body)
        valid_tx_id = Transaction._to_hash(tx_body_serialized)

        if proposed_tx_id != valid_tx_id:
            err_msg = (
                "The transaction's id '{}' isn't equal to "
                "the hash of its body, i.e. it's not valid."
            )
            raise InvalidHash(err_msg.format(proposed_tx_id))