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test_withdrawal_requests_during_fork()

Documentation for tests/prague/eip7002_el_triggerable_withdrawals/test_withdrawal_requests_during_fork.py::test_withdrawal_requests_during_fork@892e6d1e.

Generate fixtures for these test cases for Prague with:

fill -v tests/prague/eip7002_el_triggerable_withdrawals/test_withdrawal_requests_during_fork.py::test_withdrawal_requests_during_fork --fork Prague

Test making a withdrawal request to the beacon chain at the time of the fork.

Source code in tests/prague/eip7002_el_triggerable_withdrawals/test_withdrawal_requests_during_fork.py
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@pytest.mark.parametrize(
    "blocks_withdrawal_requests",
    [
        pytest.param(
            [
                [],  # No withdrawal requests, but we deploy the contract
                [
                    WithdrawalRequestTransaction(
                        requests=[
                            WithdrawalRequest(
                                validator_pubkey=0x01,
                                amount=0,
                                fee=Spec.get_fee(10),
                                # Pre-fork withdrawal request
                                valid=False,
                            )
                        ],
                    ),
                ],
                [
                    WithdrawalRequestTransaction(
                        requests=[
                            WithdrawalRequest(
                                validator_pubkey=0x02,
                                amount=0,
                                fee=Spec.get_fee(10),
                                # First post-fork withdrawal request, will not
                                # be included because the inhibitor is cleared
                                # at the end of the block
                                valid=False,
                            )
                        ],
                    ),
                ],
                [
                    WithdrawalRequestTransaction(
                        requests=[
                            WithdrawalRequest(
                                validator_pubkey=0x03,
                                amount=0,
                                fee=Spec.get_fee(0),
                                # First withdrawal that is valid
                                valid=True,
                            )
                        ],
                    ),
                ],
            ],
            id="one_valid_request_second_block_after_fork",
        ),
    ],
)
@pytest.mark.parametrize("timestamp", [15_000 - BLOCKS_BEFORE_FORK], ids=[""])
@pytest.mark.pre_alloc_mutable
def test_withdrawal_requests_during_fork(
    blockchain_test: BlockchainTestFiller,
    blocks: List[Block],
    pre: Alloc,
) -> None:
    """
    Test making a withdrawal request to the beacon chain at the time of the
    fork.
    """
    # We need to delete the deployed contract that comes by default in the pre
    # state.
    pre[Spec.WITHDRAWAL_REQUEST_PREDEPLOY_ADDRESS] = Account(
        balance=0,
        code=bytes(),
        nonce=0,
        storage={},
    )

    with open(
        Path(realpath(__file__)).parent / "contract_deploy_tx.json", mode="r"
    ) as f:
        deploy_tx = Transaction.model_validate_json(
            f.read()
        ).with_signature_and_sender()

    deployer_address = deploy_tx.sender
    assert deployer_address is not None
    assert (
        Address(deployer_address) == Spec.WITHDRAWAL_REQUEST_PREDEPLOY_SENDER
    )

    tx_gas_price = deploy_tx.gas_price
    assert tx_gas_price is not None
    deployer_required_balance = deploy_tx.gas_limit * tx_gas_price

    pre.fund_address(
        Spec.WITHDRAWAL_REQUEST_PREDEPLOY_SENDER, deployer_required_balance
    )

    # Append the deployment transaction to the first block
    blocks[0].txs.append(deploy_tx)

    blockchain_test(
        genesis_environment=Environment(),
        pre=pre,
        post={},
        blocks=blocks,
    )

Parametrized Test Cases

This test generates 1 parametrized test case across 1 fork.