test_invalid_layout()

Documentation for tests/prague/eip6110_deposits/test_modified_contract.py::test_invalid_layout@7b8124a7.

Generate fixtures for these test cases for Osaka with:

fill -v tests/prague/eip6110_deposits/test_modified_contract.py::test_invalid_layout --fork Osaka

Test deposit contract emitting logs with invalid layouts (sizes/offsets).

Source code in tests/prague/eip6110_deposits/test_modified_contract.py

@pytest.mark.parametrize(
    "log_argument,value",
    [
        pytest.param(arg, val)
        for arg in EVENT_ARGUMENTS
        for val in EVENT_ARGUMENT_VALUES
    ],
)
@pytest.mark.exception_test
def test_invalid_layout(
    blockchain_test: BlockchainTestFiller,
    pre: Alloc,
    log_argument: str,
    value: str,
) -> None:
    """
    Test deposit contract emitting logs with invalid layouts (sizes/offsets).
    """
    log_params = {**DEFAULT_DEPOSIT_REQUEST_LOG_DATA_DICT}
    log_params[log_argument] = 0 if value == "zero" else 2**256 - 1  # type: ignore

    deposit_request_log = create_deposit_log_bytes(**log_params)  # type: ignore

    bytecode = Om.MSTORE(deposit_request_log) + Op.LOG1(
        0,
        len(deposit_request_log),
        Spec.DEPOSIT_EVENT_SIGNATURE_HASH,
    )
    bytecode += Op.STOP

    pre[Spec.DEPOSIT_CONTRACT_ADDRESS] = Account(
        code=bytecode,
        nonce=1,
        balance=0,
    )
    sender = pre.fund_eoa()

    tx = Transaction(
        to=Spec.DEPOSIT_CONTRACT_ADDRESS,
        sender=sender,
        gas_limit=100_000,
    )

    blockchain_test(
        pre=pre,
        blocks=[
            Block(
                txs=[tx],
                exception=[
                    BlockException.INVALID_DEPOSIT_EVENT_LAYOUT,
                ],
            ),
        ],
        post={},
    )

Parametrized Test Cases

This test generates 20 parametrized test cases across 2 forks.