test_bal_system_address_coinbase_zero_tip()

Documentation for tests/amsterdam/eip7928_block_level_access_lists/test_block_access_lists.py::test_bal_system_address_coinbase_zero_tip@26332146.

Generate fixtures for these test cases for Amsterdam with:

fill -v tests/amsterdam/eip7928_block_level_access_lists/test_block_access_lists.py::test_bal_system_address_coinbase_zero_tip --fork Amsterdam

Ensure BAL includes SYSTEM_ADDRESS when it is the zero-tip fee recipient.

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

def test_bal_system_address_coinbase_zero_tip(
    pre: Alloc,
    blockchain_test: BlockchainTestFiller,
    fork: Fork,
) -> None:
    """
    Ensure BAL includes SYSTEM_ADDRESS when it is the zero-tip fee recipient.
    """
    bob = pre.fund_eoa(amount=0)

    genesis_env = Environment(base_fee_per_gas=0x7)
    base_fee_per_gas = fork.base_fee_per_gas_calculator()(
        parent_base_fee_per_gas=int(genesis_env.base_fee_per_gas or 0),
        parent_gas_used=0,
        parent_gas_limit=genesis_env.gas_limit,
    )

    tx_value = 5
    alice = pre.fund_eoa()
    tx = Transaction(
        sender=alice,
        to=bob,
        value=tx_value,
        gas_price=base_fee_per_gas,
    )

    block = Block(
        txs=[tx],
        fee_recipient=SYSTEM_ADDRESS,
        header_verify=Header(base_fee_per_gas=base_fee_per_gas),
        expected_block_access_list=BlockAccessListExpectation(
            account_expectations={
                alice: BalAccountExpectation(
                    nonce_changes=[
                        BalNonceChange(block_access_index=1, post_nonce=1)
                    ],
                ),
                bob: BalAccountExpectation(
                    balance_changes=[
                        BalBalanceChange(block_access_index=1, post_balance=5)
                    ]
                ),
                SYSTEM_ADDRESS: BalAccountExpectation.empty(),
            }
        ),
    )

    blockchain_test(
        pre=pre,
        blocks=[block],
        post={
            alice: Account(nonce=1),
            bob: Account(balance=5),
            SYSTEM_ADDRESS: Account.NONEXISTENT,
        },
        genesis_environment=genesis_env,
    )

Parametrized Test Cases

This test generates 1 parametrized test case across 1 fork.