test_sload_bloated()

Documentation for tests/benchmark/stateful/bloatnet/test_single_opcode.py::test_sload_bloated@b314d18e.

Generate fixtures for these test cases for Amsterdam with:

fill -v tests/benchmark/stateful/bloatnet/test_single_opcode.py::test_sload_bloated --gas-benchmark-values 1

Benchmark SLOAD opcodes targeting an EOA with storage bloated.

The storage is assumed to be filled from 0-N linearly, where each slot has the value of the key. If this is not the storage layout of the target account, then the existing_slots parameter will not be correct.

Source code in tests/benchmark/stateful/bloatnet/test_single_opcode.py

@pytest.mark.repricing
@pytest.mark.stub_parametrize("token_name", "bloated_eoa_")
@pytest.mark.parametrize("existing_slots", [False, True])
@pytest.mark.parametrize("cache_strategy", [CacheStrategy.NO_CACHE])
def test_sload_bloated(
    benchmark_test: BenchmarkTestFiller,
    pre: Alloc,
    fork: Fork,
    gas_benchmark_value: int,
    tx_gas_limit: int,
    token_name: str,
    existing_slots: bool,
    cache_strategy: CacheStrategy,
) -> None:
    """
    Benchmark SLOAD opcodes targeting an EOA with storage bloated.

    The storage is assumed to be filled from 0-N linearly, where
    each slot has the value of the key. If this is not the
    storage layout of the target account, then the existing_slots
    parameter will not be correct.
    """
    slot_access = (
        Op.DUP1  # [index, index]
        + Op.SLOAD  # [s[index], index]
        + Op.POP  # [index]
    )
    # CACHE_TX: access each slot twice so the second hit is uncached
    if cache_strategy == CacheStrategy.CACHE_TX:
        slot_access *= 2

    runtime_code = (
        Op.PUSH0  # [0]
        + Op.SLOAD  # [index], s[0] = index
        + While(
            body=(
                slot_access
                + Op.PUSH1(1)  # [1, index]
                + Op.ADD  # [index+1]
            ),
            condition=Op.GT(Op.GAS, 0xFFFF),
        )
        + Op.PUSH0  # [0, index+1]
        + Op.SSTORE  # s[0] = index+1
    )

    run_bloated_eoa_benchmark(
        benchmark_test=benchmark_test,
        pre=pre,
        fork=fork,
        gas_benchmark_value=gas_benchmark_value,
        tx_gas_limit=tx_gas_limit,
        authority=pre.stub_eoa(token_name),
        existing_slots=existing_slots,
        runtime_code=runtime_code,
        cache_strategy=cache_strategy,
    )

Parametrized Test Cases

This test generates 2 parametrized test cases across 3 forks.