test_oversized_initcode_tx_no_state_gas()

Documentation for tests/amsterdam/eip8037_state_creation_gas_cost_increase/test_state_gas_create.py::test_oversized_initcode_tx_no_state_gas@2119b382.

Generate fixtures for these test cases for Amsterdam with:

fill -v tests/amsterdam/eip8037_state_creation_gas_cost_increase/test_state_gas_create.py::test_oversized_initcode_tx_no_state_gas --fork Amsterdam

Verify a creation tx with oversized initcode is rejected before any state gas is charged.

Source code in tests/amsterdam/eip8037_state_creation_gas_cost_increase/test_state_gas_create.py

@pytest.mark.parametrize(
    "initcode_size_delta",
    [
        pytest.param(0, id="at_max"),
        pytest.param(1, id="over_max", marks=pytest.mark.exception_test),
    ],
)
@pytest.mark.valid_from("EIP8037")
def test_oversized_initcode_tx_no_state_gas(
    blockchain_test: BlockchainTestFiller,
    pre: Alloc,
    fork: Fork,
    initcode_size_delta: int,
) -> None:
    """
    Verify a creation tx with oversized initcode is rejected before
    any state gas is charged.
    """
    max_size = fork.max_initcode_size()
    size = max_size + initcode_size_delta
    initcode = Initcode(deploy_code=Op.STOP, initcode_length=size)

    sender = pre.fund_eoa()
    create_address = compute_create_address(address=sender, nonce=0)

    create_state_gas = fork.create_state_gas(code_size=len(Op.STOP))

    tx = Transaction(
        sender=sender,
        to=None,
        data=initcode,
        state_gas_reservoir=create_state_gas,
    )

    if initcode_size_delta > 0:
        tx.error = TransactionException.INITCODE_SIZE_EXCEEDED
        post: dict = {create_address: Account.NONEXISTENT}
    else:
        post = {create_address: Account(code=Op.STOP)}

    blockchain_test(
        pre=pre,
        blocks=[
            Block(
                txs=[tx],
                exception=(
                    TransactionException.INITCODE_SIZE_EXCEEDED
                    if initcode_size_delta > 0
                    else None
                ),
            ),
        ],
        post=post,
    )

Parametrized Test Cases

This test generates 2 parametrized test cases across 1 fork.