test_bal_withdrawal_largest_amount()

Documentation for tests/amsterdam/eip7928_block_level_access_lists/test_block_access_lists_eip4895.py::test_bal_withdrawal_largest_amount@5c024cbb.

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_largest_amount --fork Amsterdam

Ensure BAL captures withdrawal with largest amount.

Block with 0 transactions and 1 withdrawal of maximum uint64 value (2^64-1)Gwei to Charlie. Charlie ends with (2^64-1) Gwei.

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

def test_bal_withdrawal_largest_amount(
    pre: Alloc,
    blockchain_test: BlockchainTestFiller,
) -> None:
    """
    Ensure BAL captures withdrawal with largest amount.

    Block with 0 transactions and 1 withdrawal of maximum
    uint64 value (2^64-1)Gwei to Charlie.
    Charlie ends with (2^64-1) Gwei.
    """
    charlie = pre.fund_eoa(amount=0)
    max_amount = 2**64 - 1

    block = Block(
        txs=[],
        withdrawals=[
            Withdrawal(
                index=0,
                validator_index=0,
                address=charlie,
                amount=max_amount,
            )
        ],
        expected_block_access_list=BlockAccessListExpectation(
            account_expectations={
                charlie: BalAccountExpectation(
                    balance_changes=[
                        BalBalanceChange(
                            block_access_index=1,
                            post_balance=max_amount * GWEI,
                        )
                    ],
                ),
            }
        ),
    )

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

Parametrized Test Cases

This test generates 1 parametrized test case across 1 fork.