test_tx_gas_limit_cap_authorized_tx()

Documentation for tests/osaka/eip7825_transaction_gas_limit_cap/test_tx_gas_limit.py::test_tx_gas_limit_cap_authorized_tx@88e9fb8f.

Generate fixtures for these test cases for Osaka with:

fill -v tests/osaka/eip7825_transaction_gas_limit_cap/test_tx_gas_limit.py::test_tx_gas_limit_cap_authorized_tx --fork Osaka

Test a transaction limit cap with authorized tx.

Source code in tests/osaka/eip7825_transaction_gas_limit_cap/test_tx_gas_limit.py

@pytest.mark.parametrize(
    "exceed_tx_gas_limit,correct_intrinsic_cost_in_transaction_gas_limit",
    [
        pytest.param(True, False, marks=pytest.mark.exception_test),
        pytest.param(True, True, marks=pytest.mark.exception_test),
        pytest.param(False, True),
    ],
)
@pytest.mark.valid_from("Osaka")
def test_tx_gas_limit_cap_authorized_tx(
    state_test: StateTestFiller,
    pre: Alloc,
    fork: Fork,
    exceed_tx_gas_limit: bool,
    correct_intrinsic_cost_in_transaction_gas_limit: bool,
) -> None:
    """Test a transaction limit cap with authorized tx."""
    intrinsic_cost = fork.transaction_intrinsic_cost_calculator()
    tx_gas_limit_cap = fork.transaction_gas_limit_cap()
    assert tx_gas_limit_cap is not None, "Fork does not have a transaction gas limit cap"
    gas_available = tx_gas_limit_cap - intrinsic_cost()

    gas_costs = fork.gas_costs()
    gas_per_address = gas_costs.G_ACCESS_LIST_ADDRESS

    per_empty_account_cost = 25_000
    auth_list_length = gas_available // (gas_per_address + per_empty_account_cost) + int(
        exceed_tx_gas_limit
    )

    # EIP-7702 authorization transaction cost:
    # 21000 + 16 * non-zero calldata bytes + 4 * zero calldata bytes + 1900 *
    # access list storage key count + 2400 * access list address count +
    # PER_EMPTY_ACCOUNT_COST * authorization list length
    #
    # There is no calldata and no storage keys in this test case and the access
    # address list count is equal to the authorization list length
    #
    # total cost = 21000 + (2400 + 25_000) * auth_list_length

    auth_address = pre.deploy_contract(code=Op.STOP)

    auth_signers = [pre.fund_eoa() for _ in range(auth_list_length)]

    access_list = [
        AccessList(
            address=addr,
            storage_keys=[],
        )
        for addr in auth_signers
    ]

    auth_tuples = [
        AuthorizationTuple(
            signer=signer,
            address=auth_address,
            nonce=signer.nonce,
        )
        for signer in auth_signers
    ]

    correct_intrinsic_cost = intrinsic_cost(
        access_list=access_list, authorization_list_or_count=auth_list_length
    )
    if exceed_tx_gas_limit:
        assert correct_intrinsic_cost > tx_gas_limit_cap, (
            "Correct intrinsic cost should exceed the tx gas limit cap"
        )
    else:
        assert correct_intrinsic_cost <= tx_gas_limit_cap, (
            "Correct intrinsic cost should be less than or equal to the tx gas limit cap"
        )

    tx_gas_limit = (
        correct_intrinsic_cost
        if correct_intrinsic_cost_in_transaction_gas_limit
        else tx_gas_limit_cap
    )

    tx = Transaction(
        to=pre.fund_eoa(),
        gas_limit=tx_gas_limit,
        sender=pre.fund_eoa(),
        access_list=access_list,
        authorization_list=auth_tuples,
        error=TransactionException.GAS_LIMIT_EXCEEDS_MAXIMUM
        if correct_intrinsic_cost_in_transaction_gas_limit and exceed_tx_gas_limit
        else TransactionException.INTRINSIC_GAS_TOO_LOW
        if exceed_tx_gas_limit
        else None,
    )

    state_test(
        pre=pre,
        post={},
        tx=tx,
    )

Parametrized Test Cases

The interactive table below is also available as a standalone page.

Fork All Forks Osaka

Fixture Type All Fixture Types state_test blockchain_test

Test ID (Abbreviated)	exceed_tx_gas_limit	correct_intrinsic_cost_in_transaction_gas_limit
...fork_Osaka-state_test-exceed_tx_gas_limit_True-correct_intrinsic_cost_in_transaction_gas_limit_False	True	False
...fork_Osaka-state_test-exceed_tx_gas_limit_True-correct_intrinsic_cost_in_transaction_gas_limit_True	True	True
...fork_Osaka-state_test-exceed_tx_gas_limit_False-correct_intrinsic_cost_in_transaction_gas_limit_True	False	True
...fork_Osaka-blockchain_test_from_state_test-exceed_tx_gas_limit_True-correct_intrinsic_cost_in_transaction_gas_limit_False	True	False
...fork_Osaka-blockchain_test_from_state_test-exceed_tx_gas_limit_True-correct_intrinsic_cost_in_transaction_gas_limit_True	True	True
...fork_Osaka-blockchain_test_from_state_test-exceed_tx_gas_limit_False-correct_intrinsic_cost_in_transaction_gas_limit_True	False	True