Function record_rpi_fill_event 

fn record_rpi_fill_event(
    outcome: &'static str,
    reference_state: &'static str,
    reason: Option<String>,
    request: &PlaceOrderRequest,
    order_action_msg: &OrderActionMessage,
    human_size: Decimal,
    limit_price: Decimal,
    rfq_id: Uuid,
    quote_id: Uuid,
    fill_id: Option<String>,
    reference_price: Option<Decimal>,
    fill_price: Option<Decimal>,
    l2_seq: Option<i64>,
)