test_worst_selfdestruct_created()

Documentation for tests/zkevm/test_worst_stateful_opcodes.py::test_worst_selfdestruct_created@64f949d0.

Generate fixtures for these test cases for Prague with:

fill -v tests/zkevm/test_worst_stateful_opcodes.py::test_worst_selfdestruct_created --fork Prague

Test running a block with as many SELFDESTRUCTs as possible for deployed contracts in the same transaction.

Source code in tests/zkevm/test_worst_stateful_opcodes.py

@pytest.mark.valid_from("Cancun")
@pytest.mark.parametrize("value_bearing", [True, False])
def test_worst_selfdestruct_created(
    state_test: StateTestFiller,
    pre: Alloc,
    value_bearing: bool,
    fork: Fork,
):
    """
    Test running a block with as many SELFDESTRUCTs as possible for deployed contracts in
    the same transaction.
    """
    env = Environment()
    pre.fund_address(env.fee_recipient, 1)

    # SELFDESTRUCT(COINBASE) contract deployment
    initcode = (
        Op.MSTORE8(0, Op.COINBASE.int()) + Op.MSTORE8(1, Op.SELFDESTRUCT.int()) + Op.RETURN(0, 2)
    )
    gas_costs = fork.gas_costs()
    create_gas = gas_costs.G_CREATE + 20_000
    code = (
        Op.MSTORE(0, initcode.hex())
        + While(
            body=Op.POP(
                Op.CALL(
                    address=Op.CREATE(
                        value=1 if value_bearing else 0,
                        offset=32 - len(initcode),
                        size=len(initcode),
                    )
                )
            ),
            # Stop before we run out of gas for the whole tx execution.
            # The value was found by trial-error rounded to the next 1000 multiple.
            condition=Op.GT(Op.GAS, create_gas),
        )
        + Op.SSTORE(0, 42)  # Done for successful tx execution assertion below.
    )
    # The 0 storage slot is initialize to avoid creation costs in SSTORE above.
    code_addr = pre.deploy_contract(code=code, balance=100_000, storage={0: 1})
    code_tx = Transaction(
        to=code_addr,
        gas_limit=env.gas_limit,
        gas_price=10,
        sender=pre.fund_eoa(),
    )

    post = {code_addr: Account(storage={0: 42})}  # Check for successful execution.
    state_test(
        env=env,
        pre=pre,
        post=post,
        tx=code_tx,
    )

Parametrized Test Cases

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

Fork All Forks Cancun Prague Osaka

Fixture Type All Fixture Types state_test blockchain_test

Test ID (Abbreviated)	value_bearing
...fork_Cancun-state_test-value_bearing_True	True
...fork_Cancun-state_test-value_bearing_False	False
...fork_Cancun-blockchain_test_from_state_test-value_bearing_True	True
...fork_Cancun-blockchain_test_from_state_test-value_bearing_False	False
...fork_Prague-state_test-value_bearing_True	True
...fork_Prague-state_test-value_bearing_False	False
...fork_Prague-blockchain_test_from_state_test-value_bearing_True	True
...fork_Prague-blockchain_test_from_state_test-value_bearing_False	False
...fork_Osaka-state_test-value_bearing_True	True
...fork_Osaka-state_test-value_bearing_False	False
...fork_Osaka-blockchain_test_from_state_test-value_bearing_True	True
...fork_Osaka-blockchain_test_from_state_test-value_bearing_False	False