test_bal_withdrawal_to_precompiles()

Documentation for tests/amsterdam/eip7928_block_level_access_lists/test_block_access_lists_eip4895.py::test_bal_withdrawal_to_precompiles@892e6d1e.

Generate fixtures for these test cases for Amsterdam with:

fill -v tests/amsterdam/eip7928_block_level_access_lists/test_block_access_lists_eip4895.py::test_bal_withdrawal_to_precompiles --fork Amsterdam

Ensure BAL captures withdrawal to precompile addresses.

Block with 0 transactions and 1 withdrawal of 10 gwei to precompile. Precompile ends with 10 gwei balance.

Source code in tests/amsterdam/eip7928_block_level_access_lists/test_block_access_lists_eip4895.py

@pytest.mark.parametrize_by_fork(
    "precompile",
    lambda fork: [
        pytest.param(addr, id=f"0x{int.from_bytes(addr, 'big'):02x}")
        for addr in fork.precompiles()
    ],
)
def test_bal_withdrawal_to_precompiles(
    pre: Alloc,
    blockchain_test: BlockchainTestFiller,
    precompile: Address,
) -> None:
    """
    Ensure BAL captures withdrawal to precompile addresses.

    Block with 0 transactions and 1 withdrawal of 10 gwei to precompile.
    Precompile ends with 10 gwei balance.
    """
    block = Block(
        txs=[],
        withdrawals=[
            Withdrawal(
                index=0,
                validator_index=0,
                address=precompile,
                amount=10,
            )
        ],
        expected_block_access_list=BlockAccessListExpectation(
            account_expectations={
                precompile: BalAccountExpectation(
                    balance_changes=[
                        BalBalanceChange(
                            block_access_index=1, post_balance=10 * GWEI
                        )
                    ],
                    storage_reads=[],
                    storage_changes=[],
                ),
            }
        ),
    )

    blockchain_test(
        pre=pre,
        blocks=[block],
        post={
            precompile: Account(balance=10 * GWEI),
        },
    )

Parametrized Test Cases

This test generates 18 parametrized test cases across 1 fork.