test_bal_zero_value_transfer()

Documentation for tests/amsterdam/eip7928_block_level_access_lists/test_block_access_lists.py::test_bal_zero_value_transfer@c74f1a67.

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_zero_value_transfer --fork Amsterdam

Test that BAL correctly handles zero-value transfers.

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

def test_bal_zero_value_transfer(
    pre: Alloc,
    blockchain_test: BlockchainTestFiller,
    fork: Fork,
) -> None:
    """Test that BAL correctly handles zero-value transfers."""
    start_balance = 1_000_000
    alice = pre.fund_eoa(amount=start_balance)
    bob = pre.fund_eoa(amount=100)

    intrinsic_gas_calculator = fork.transaction_intrinsic_cost_calculator()
    intrinsic_gas_cost = intrinsic_gas_calculator(
        recipient_type=RecipientType.EOA
    )

    tx = Transaction(
        sender=alice,
        to=bob,
        gas_limit=intrinsic_gas_cost,
        value=0,
        gas_price=0xA,
    )

    block = Block(
        txs=[tx],
        expected_block_access_list=BlockAccessListExpectation(
            account_expectations={
                alice: BalAccountExpectation(
                    nonce_changes=[
                        BalNonceChange(block_access_index=1, post_nonce=1)
                    ],
                    balance_changes=[
                        BalBalanceChange(
                            block_access_index=1,
                            post_balance=start_balance
                            - intrinsic_gas_cost * int(tx.gas_price or 0),
                        )
                    ],
                ),
                # Include the address; omit from balance_changes.
                bob: BalAccountExpectation(balance_changes=[]),
            }
        ),
    )

    blockchain_test(pre=pre, blocks=[block], post={})

Parametrized Test Cases

This test generates 1 parametrized test case across 1 fork.