test_invalid_layout_with_swapped_decodable_offsets()

Documentation for tests/prague/eip6110_deposits/test_modified_contract.py::test_invalid_layout_with_swapped_decodable_offsets@8acae1b0.

Generate fixtures for these test cases for Amsterdam with:

fill -v tests/prague/eip6110_deposits/test_modified_contract.py::test_invalid_layout_with_swapped_decodable_offsets --fork Amsterdam

Test a deposit log whose ABI offsets are noncanonical but still decodable.

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

@pytest.mark.exception_test
@pytest.mark.eels_base_coverage
def test_invalid_layout_with_swapped_decodable_offsets(
    blockchain_test: BlockchainTestFiller, pre: Alloc
) -> None:
    """
    Test a deposit log whose ABI offsets are noncanonical but still decodable.
    """
    changed_log = create_deposit_log_bytes_with_swapped_amount_and_signature()

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

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

    tx = Transaction(
        to=DepositRequest.system_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 1 parametrized test case across 3 forks.