public CancelOrderResponse CancelOrder(int order_id)
        {
            CancelOrderRequest  req      = new CancelOrderRequest(Nonce, order_id);
            string              response = SendRequest(req, "POST");
            CancelOrderResponse resp     = CancelOrderResponse.FromJSON(response);

            return(resp);
        }
 public OrderCxl(string pair, Exchange.Clients.BitFinex.CancelOrderResponse or)
 {
     Pair = pair;
     //or.
 }