test_call_value_transfer_existing_account_no_state_gas()

Documentation for tests/amsterdam/eip8037_state_creation_gas_cost_increase/test_state_gas_call.py::test_call_value_transfer_existing_account_no_state_gas@5c024cbb.

Generate fixtures for these test cases for Amsterdam with:

fill -v tests/amsterdam/eip8037_state_creation_gas_cost_increase/test_state_gas_call.py::test_call_value_transfer_existing_account_no_state_gas --fork Amsterdam

Test CALL with value to existing account charges no state gas.

A CALL that transfers value to an already-alive account does not create new state, so no state gas is charged.

Source code in tests/amsterdam/eip8037_state_creation_gas_cost_increase/test_state_gas_call.py

@pytest.mark.valid_from("EIP8037")
def test_call_value_transfer_existing_account_no_state_gas(
    state_test: StateTestFiller,
    pre: Alloc,
) -> None:
    """
    Test CALL with value to existing account charges no state gas.

    A CALL that transfers value to an already-alive account does not
    create new state, so no state gas is charged.
    """
    # Existing target account
    target = pre.fund_eoa(amount=1)

    parent_storage = Storage()
    parent = pre.deploy_contract(
        code=(
            Op.SSTORE(
                parent_storage.store_next(1),
                Op.CALL(gas=100_000, address=target, value=1),
            )
        ),
        balance=1,
    )

    tx = Transaction(
        to=parent,
        state_gas_reservoir=0,
        sender=pre.fund_eoa(),
    )

    post = {
        parent: Account(balance=0, storage=parent_storage),
        target: Account(balance=2),
    }
    state_test(pre=pre, post=post, tx=tx)

Parametrized Test Cases

This test generates 1 parametrized test case across 1 fork.