test_nested_calls_reservoir_passing()

Documentation for tests/amsterdam/eip8037_state_creation_gas_cost_increase/test_state_gas_call.py::test_nested_calls_reservoir_passing@87aba1a3.

Generate fixtures for these test cases for Amsterdam with:

fill -v tests/amsterdam/eip8037_state_creation_gas_cost_increase/test_state_gas_call.py::test_nested_calls_reservoir_passing --fork Amsterdam

Test reservoir passes through nested calls.

The reservoir is passed from A to B to C. C performs an SSTORE using the reservoir gas. After all calls return, A verifies success.

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

@pytest.mark.valid_from("EIP8037")
def test_nested_calls_reservoir_passing(
    state_test: StateTestFiller,
    pre: Alloc,
    fork: Fork,
) -> None:
    """
    Test reservoir passes through nested calls.

    The reservoir is passed from A to B to C. C performs an SSTORE
    using the reservoir gas. After all calls return, A verifies
    success.
    """
    sstore_state_gas = Op.SSTORE(new_value=1).state_cost(fork)

    c_storage = Storage()
    c = pre.deploy_contract(
        code=Op.SSTORE(c_storage.store_next(1), 1),
    )

    b = pre.deploy_contract(
        code=Op.CALL(gas=200_000, address=c),
    )

    a_storage = Storage()
    a = pre.deploy_contract(
        code=(
            Op.SSTORE(
                a_storage.store_next(1),
                Op.CALL(gas=300_000, address=b),
            )
        ),
    )

    tx = Transaction(
        to=a,
        state_gas_reservoir=sstore_state_gas,
        sender=pre.fund_eoa(),
    )

    post = {
        a: Account(storage=a_storage),
        c: Account(storage=c_storage),
    }
    state_test(pre=pre, post=post, tx=tx)

Parametrized Test Cases

This test generates 1 parametrized test case across 1 fork.