test_intrinsic_decomposition_across_tx_types()

Documentation for tests/amsterdam/eip2780_reduce_intrinsic_tx_gas/test_value_moving_transactions.py::test_intrinsic_decomposition_across_tx_types@26332146.

Generate fixtures for these test cases for Amsterdam with:

fill -v tests/amsterdam/eip2780_reduce_intrinsic_tx_gas/test_value_moving_transactions.py::test_intrinsic_decomposition_across_tx_types --fork Amsterdam

The decomposed intrinsic keys on the transaction's fields, not its type: every type pays the same recipient and value primitives, with type-specific costs riding on top.

Source code in tests/amsterdam/eip2780_reduce_intrinsic_tx_gas/test_value_moving_transactions.py

@pytest.mark.with_all_tx_types
def test_intrinsic_decomposition_across_tx_types(
    fork: Fork,
    pre: Alloc,
    state_test: StateTestFiller,
    tx_type: int,
) -> None:
    """
    The decomposed intrinsic keys on the transaction's fields, not its
    type: every type pays the same recipient and value primitives, with
    type-specific costs riding on top.
    """
    value = 1
    sender = pre.fund_eoa()
    recipient = pre.fund_eoa(amount=EOA_INITIAL_BALANCE)

    scenario = (
        build_authorization(pre, AuthorizationAction.SETS_NEW_DELEGATION)
        if tx_type == 4
        else None
    )
    authorizations = [scenario.authorization] if scenario else []

    blob_versioned_hashes = (
        add_kzg_version([Hash(1)], EIP4844_Spec.BLOB_COMMITMENT_VERSION_KZG)
        if tx_type == 3
        else None
    )

    intrinsic_gas = fork.transaction_intrinsic_cost_calculator()(
        sends_value=True,
        recipient_type=RecipientType.EOA,
        authorization_list_or_count=authorizations,
        return_cost_deducted_prior_execution=True,
    )
    top_frame_gas = fork.transaction_top_frame_gas_calculator()(
        sends_value=True,
        recipient_type=RecipientType.EOA,
        authorizations=authorizations,
    )
    top_frame_state_gas = fork.transaction_top_frame_state_gas(
        sends_value=True,
        recipient_type=RecipientType.EOA,
        authorizations=authorizations,
    )
    total_gas_cost = intrinsic_gas + top_frame_gas + top_frame_state_gas

    tx = Transaction(
        ty=tx_type,
        sender=sender,
        to=recipient,
        value=value,
        authorization_list=authorizations or None,
        blob_versioned_hashes=blob_versioned_hashes,
        gas_limit=total_gas_cost,
        expected_receipt=TransactionReceipt(
            cumulative_gas_used=total_gas_cost,
            logs=[transfer_log(sender, recipient, value)],
        ),
    )

    post: dict[Address, Account] = {
        sender: Account(nonce=1),
        recipient: Account(balance=EOA_INITIAL_BALANCE + value),
    }
    if scenario:
        post[scenario.authority] = scenario.applied_account

    state_test(pre=pre, tx=tx, post=post)

Parametrized Test Cases

This test generates 5 parametrized test cases across 1 fork.