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test_extra_withdrawals()

Documentation for tests/prague/eip7002_el_triggerable_withdrawals/test_modified_withdrawal_contract.py::test_extra_withdrawals@20373115.

Generate fixtures for these test cases for Amsterdam with:

fill -v tests/prague/eip7002_el_triggerable_withdrawals/test_modified_withdrawal_contract.py::test_extra_withdrawals --fork Amsterdam

Test how clients were to behave when more than 16 withdrawals would be allowed per block.

Source code in tests/prague/eip7002_el_triggerable_withdrawals/test_modified_withdrawal_contract.py
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@pytest.mark.parametrize(
    "requests_list",
    [
        pytest.param(
            [],
            id="empty_request_list",
        ),
        pytest.param(
            [
                *withdrawal_list_with_custom_fee(1),
            ],
            id="1_withdrawal_request",
        ),
        pytest.param(
            [
                *withdrawal_list_with_custom_fee(15),
            ],
            id="15_withdrawal_requests",
        ),
        pytest.param(
            [
                *withdrawal_list_with_custom_fee(16),
            ],
            id="16_withdrawal_requests",
        ),
        pytest.param(
            [
                *withdrawal_list_with_custom_fee(17),
            ],
            id="17_withdrawal_requests",
        ),
        pytest.param(
            [
                *withdrawal_list_with_custom_fee(18),
            ],
            id="18_withdrawal_requests",
        ),
    ],
)
def test_extra_withdrawals(
    blockchain_test: BlockchainTestFiller,
    pre: Alloc,
    requests_list: List[WithdrawalRequest],
) -> None:
    """
    Test how clients were to behave when more than 16 withdrawals would be
    allowed per block.
    """
    modified_code: Bytecode = Bytecode()
    memory_offset: int = 0
    amount_of_requests: int = 0

    for withdrawal_request in requests_list:
        # update memory_offset with the correct value
        withdrawal_request_bytes_amount: int = len(bytes(withdrawal_request))
        assert withdrawal_request_bytes_amount == 76, (
            "Expected withdrawal request to be of size 76 but got size "
            f"{withdrawal_request_bytes_amount}"
        )
        memory_offset += withdrawal_request_bytes_amount

        modified_code += Om.MSTORE(bytes(withdrawal_request), memory_offset)
        amount_of_requests += 1

    modified_code += Op.RETURN(0, Op.MSIZE())

    pre[Spec_EIP7002.WITHDRAWAL_REQUEST_PREDEPLOY_ADDRESS] = Account(
        code=modified_code,
        nonce=1,
        balance=0,
    )

    # given a list of withdrawal requests construct a withdrawal request
    # transaction
    withdrawal_request_transaction = WithdrawalRequestTransaction(
        requests=requests_list
    )
    # prepare withdrawal senders
    prepared = withdrawal_request_transaction.update_pre(pre=pre)
    # get transaction list
    txs: List[Transaction] = prepared.transactions()

    blockchain_test(
        pre=pre,
        blocks=[
            Block(
                txs=txs,
                requests_hash=Requests(*requests_list),
            ),
        ],
        post={},
    )

Parametrized Test Cases

This test generates 6 parametrized test cases across 3 forks.