test_bal_create_transaction_empty_code()

Documentation for tests/amsterdam/eip7928_block_level_access_lists/test_block_access_lists.py::test_bal_create_transaction_empty_code@892e6d1e.

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_create_transaction_empty_code --fork Amsterdam

Ensure BAL does not record spurious code changes when a CREATE transaction deploys empty code.

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

def test_bal_create_transaction_empty_code(
    pre: Alloc,
    blockchain_test: BlockchainTestFiller,
) -> None:
    """
    Ensure BAL does not record spurious code changes when a CREATE transaction
    deploys empty code.
    """
    alice = pre.fund_eoa()
    contract_address = compute_create_address(address=alice, nonce=0)

    tx = Transaction(
        sender=alice,
        to=None,
        data=b"",
        gas_limit=100_000,
    )

    account_expectations = {
        alice: BalAccountExpectation(
            nonce_changes=[BalNonceChange(block_access_index=1, post_nonce=1)],
        ),
        contract_address: BalAccountExpectation(
            nonce_changes=[BalNonceChange(block_access_index=1, post_nonce=1)],
            code_changes=[],  # ensure no code_changes recorded
        ),
    }

    blockchain_test(
        pre=pre,
        blocks=[
            Block(
                txs=[tx],
                expected_block_access_list=BlockAccessListExpectation(
                    account_expectations=account_expectations
                ),
            )
        ],
        post={
            alice: Account(nonce=1),
            contract_address: Account(nonce=1, code=b""),
        },
    )

Parametrized Test Cases

This test generates 1 parametrized test case across 1 fork.