test_call_value_transfer_new_account()

Documentation for tests/amsterdam/eip8037_state_creation_gas_cost_increase/test_state_gas_call.py::test_call_value_transfer_new_account@87aba1a3.

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_new_account --fork Amsterdam

Test CALL with value to non-existent account charges state gas.

A CALL that transfers value to a non-existent account creates a new account, charging new-account state gas of state gas.

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_new_account(
    state_test: StateTestFiller,
    pre: Alloc,
    fork: Fork,
) -> None:
    """
    Test CALL with value to non-existent account charges state gas.

    A CALL that transfers value to a non-existent account creates a
    new account, charging new-account state gas of state gas.
    """
    gas_costs = fork.gas_costs()
    new_account_state_gas = gas_costs.NEW_ACCOUNT

    # Target address that doesn't exist in pre-state
    target = 0xDEAD

    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=new_account_state_gas,
        sender=pre.fund_eoa(),
    )

    post = {parent: Account(storage=parent_storage)}
    state_test(pre=pre, post=post, tx=tx)

Parametrized Test Cases

This test generates 1 parametrized test case across 1 fork.