test_invalid_tx_invalid_rlp_encoding()

Documentation for tests/prague/eip7702_set_code_tx/test_invalid_tx.py::test_invalid_tx_invalid_rlp_encoding@21507778.

Generate fixtures for these test cases for Amsterdam with:

fill -v tests/prague/eip7702_set_code_tx/test_invalid_tx.py::test_invalid_tx_invalid_rlp_encoding --fork Amsterdam

Test sending a transaction type-4 where the RLP encoding of the transaction is invalid.

Source code in tests/prague/eip7702_set_code_tx/test_invalid_tx.py

@pytest.mark.parametrize(
    "invalid_rlp_mode",
    [
        pytest.param(InvalidRLPMode.TRUNCATED_RLP, id="truncated_rlp"),
        pytest.param(InvalidRLPMode.EXTRA_BYTES, id="extra_bytes"),
    ],
)
@pytest.mark.parametrize(
    "delegate_address",
    [
        pytest.param(
            Spec.RESET_DELEGATION_ADDRESS, id="reset_delegation_address"
        ),
        pytest.param(Address(1), id="non_zero_address"),
    ],
)
def test_invalid_tx_invalid_rlp_encoding(
    transaction_test: TransactionTestFiller,
    pre: Alloc,
    delegate_address: Address,
    invalid_rlp_mode: InvalidRLPMode,
) -> None:
    """
    Test sending a transaction type-4 where the RLP encoding of the transaction
    is invalid.
    """
    auth_signer = pre.fund_eoa()

    tx = Transaction(
        gas_limit=100_000,
        to=0,
        value=0,
        authorization_list=[
            AuthorizationTuple(
                address=delegate_address,
                nonce=0,
                signer=auth_signer,
            )
        ],
        error=TransactionException.TYPE_4_INVALID_AUTHORIZATION_FORMAT,
        sender=pre.fund_eoa(),
    )

    if invalid_rlp_mode == InvalidRLPMode.TRUNCATED_RLP:
        # Truncate the last byte of the RLP encoding
        tx.rlp_override = Bytes(tx.rlp()[:-1])
    elif invalid_rlp_mode == InvalidRLPMode.EXTRA_BYTES:
        # Add an extra byte to the end of the RLP encoding
        tx.rlp_override = Bytes(tx.rlp() + b"\x00")

    transaction_test(
        pre=pre,
        tx=tx,
    )

Parametrized Test Cases

This test generates 4 parametrized test cases across 3 forks.