test_contract_creation()

Documentation for tests/benchmark/compute/scenario/test_transaction_types.py::test_contract_creation@622620d8.

Generate fixtures for these test cases for Amsterdam with:

fill -v tests/benchmark/compute/scenario/test_transaction_types.py::test_contract_creation --gas-benchmark-values 1

Benchmark contract creations via transactions.

Source code in tests/benchmark/compute/scenario/test_transaction_types.py

@pytest.mark.parametrize("transfer_amount", [0, 1])
@pytest.mark.parametrize(
    "contract_size", [0, 1, pytest.param(None, id="contract_size_max")]
)
def test_contract_creation(
    benchmark_test: BenchmarkTestFiller,
    pre: Alloc,
    fork: Fork,
    transfer_amount: int,
    gas_benchmark_value: int,
    contract_size: int | None,
) -> None:
    """Benchmark contract creations via transactions."""
    if contract_size is None:
        contract_size = fork.max_code_size()

    initcode = Op.RETURN(
        Op.PUSH0,
        contract_size,
        # gas accounting
        old_memory_size=0,
        new_memory_size=contract_size,
        code_deposit_size=contract_size,
    )
    intrinsic_gas_calc = fork.transaction_intrinsic_cost_calculator()
    sends_value = transfer_amount > 0

    # EIP-7623: actual gas used = max(standard + execution, floor)
    standard_intrinsic = intrinsic_gas_calc(
        calldata=bytes(initcode),
        contract_creation=True,
        sends_value=sends_value,
        return_cost_deducted_prior_execution=True,
    )
    floor_intrinsic = intrinsic_gas_calc(
        calldata=bytes(initcode),
        contract_creation=True,
        sends_value=sends_value,
    )
    execution_gas = initcode.gas_cost(fork)
    top_frame_state_gas = fork.transaction_top_frame_state_gas(
        contract_creation=True
    )
    tx_cost = max(
        standard_intrinsic + execution_gas + top_frame_state_gas,
        floor_intrinsic,
    )

    iteration_count = gas_benchmark_value // tx_cost

    sender = pre.fund_eoa()
    txs = []
    post = {}
    for nonce in range(iteration_count):
        txs.append(
            Transaction(
                to=None,
                data=initcode,
                value=transfer_amount,
                gas_limit=tx_cost,
                sender=sender,
            )
        )
        created_address = compute_create_address(address=sender, nonce=nonce)
        post[created_address] = Account(nonce=1)

    benchmark_test(
        pre=pre,
        post=post,
        blocks=[Block(txs=txs)],
        expected_benchmark_gas_used=iteration_count * tx_cost,
    )

Parametrized Test Cases

This test generates 6 parametrized test cases across 3 forks.