private void OpenOrder(BookOpen openOrder) { var offer = new ProductOffer { OrderId = openOrder.OrderId, Price = openOrder.Price, Size = openOrder.RemainingSize }; if (openOrder.Side == SideType.Buy) { Buys.Add(offer); } else { Sells.Add(offer); } if (!RemoveReceiveOrder(openOrder.OrderId)) { Api.Log.Warning($"No receive message for order id {openOrder.OrderId}"); } }