test_delegation_clearing_and_set()

Documentation for tests/prague/eip7702_set_code_tx/test_set_code_txs.py::test_delegation_clearing_and_set@dfdd4336.

Generate fixtures for these test cases for Prague with:

fill -v tests/prague/eip7702_set_code_tx/test_set_code_txs.py::test_delegation_clearing_and_set --fork Prague

Tests clearing and setting the delegation again in the same authorization list.

• pre_set_delegation_code: The code to set on the account before clearing delegation, or None if the account should not have any code set.

Source code in tests/prague/eip7702_set_code_tx/test_set_code_txs.py

@pytest.mark.parametrize(
    "pre_set_delegation_code",
    [
        pytest.param(Op.RETURN(0, 1), id="delegated_account"),
        pytest.param(None, id="undelegated_account"),
    ],
)
def test_delegation_clearing_and_set(
    state_test: StateTestFiller,
    pre: Alloc,
    pre_set_delegation_code: Bytecode | None,
):
    """
    Tests clearing and setting the delegation again in the same authorization list.

    - pre_set_delegation_code: The code to set on the account before clearing delegation, or None
        if the account should not have any code set.

    """  # noqa: D417
    pre_set_delegation_address: Address | None = None
    if pre_set_delegation_code is not None:
        pre_set_delegation_address = pre.deploy_contract(pre_set_delegation_code)

    auth_signer = pre.fund_eoa(0, delegation=pre_set_delegation_address)

    reset_code_address = pre.deploy_contract(
        Op.CALL(address=Spec.RESET_DELEGATION_ADDRESS) + Op.SSTORE(0, 1) + Op.STOP
    )

    sender = pre.fund_eoa()

    tx = Transaction(
        gas_limit=200_000,
        to=auth_signer,
        value=0,
        authorization_list=[
            AuthorizationTuple(
                address=Spec.RESET_DELEGATION_ADDRESS,  # Reset
                nonce=auth_signer.nonce,
                signer=auth_signer,
            ),
            AuthorizationTuple(
                address=reset_code_address,
                nonce=auth_signer.nonce + 1,
                signer=auth_signer,
            ),
        ],
        sender=sender,
    )

    state_test(
        env=Environment(),
        pre=pre,
        tx=tx,
        post={
            auth_signer: Account(
                nonce=auth_signer.nonce + 2,
                code=Spec.delegation_designation(reset_code_address),
                storage={
                    0: 1,
                },
            ),
        },
    )

Parametrized Test Cases

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

Fork All Forks Prague Osaka

Fixture Type All Fixture Types state_test blockchain_test

Test ID (Abbreviated)	pre_set_delegation_code
...fork_Prague-state_test-delegated_account
...fork_Prague-state_test-undelegated_account	None
...fork_Prague-blockchain_test_from_state_test-delegated_account
...fork_Prague-blockchain_test_from_state_test-undelegated_account	None
...fork_Osaka-state_test-delegated_account
...fork_Osaka-state_test-undelegated_account	None
...fork_Osaka-blockchain_test_from_state_test-delegated_account
...fork_Osaka-blockchain_test_from_state_test-undelegated_account	None