public IOrderStatus GetOrderStatus(int order_id)
        {
            if (Username == null || Password == null)
            {
                LastErrorInfo = "Not Autorizated";
                return(null);
            }

            WebConector wc                       = new WebConector();
            string      api_name                 = "private/QueryOrders";
            Int64       nonce                    = DateTime.Now.Ticks;
            string      data_transmit            = string.Format("nonce={0}&txid={1}", nonce, order_id);
            var         signature                = SignatureFormat(api_name, data_transmit, nonce);
            List <Tuple <string, string> > heder = new List <Tuple <string, string> >();

            heder.Add(new Tuple <string, string>("API-Key", Username));
            heder.Add(new Tuple <string, string>("API-Sign", signature));

            var jsonRezalt      = wc.ReqwestPostAsync(string.Format(base_url, api_name), heder, data_transmit).Result;
            var jsonRezaltArray = JObject.Parse(jsonRezalt);

            if (jsonRezaltArray["error"] == null)
            {
                LastErrorInfo = "";
                BaseOrderStatus bos = BaseOrderStatus.Exsist;
                bos.Value = jsonRezaltArray[order_id]["status"].ToString();
                return(bos);
            }
            else
            {
                LastErrorInfo = jsonRezaltArray["error"].ToString();
                return(null);
            }
        }
        public List <KrakenOrder> GetOrdersHistory(BaseCurrencyPair currencyPair, int top_count = -1)
        {
            if (Username == null || Password == null)
            {
                LastErrorInfo = "Not Autorizated";
                return(null);
            }

            List <KrakenOrder> rezalt = new List <KrakenOrder>();

            WebConector wc                       = new WebConector();
            string      api_name                 = "private/OpenOrders";
            Int64       nonce                    = DateTime.Now.Ticks;
            string      data_transmit            = string.Format("nonce={0}", nonce);
            var         signature                = SignatureFormat(api_name, data_transmit, nonce);
            List <Tuple <string, string> > heder = new List <Tuple <string, string> >();

            heder.Add(new Tuple <string, string>("API-Key", Username));
            heder.Add(new Tuple <string, string>("API-Sign", signature));

            var jsonRezalt      = wc.ReqwestPostAsync(string.Format(base_url, api_name), heder, data_transmit).Result;
            var jsonRezaltArray = JArray.Parse(jsonRezalt);

            if (jsonRezaltArray["error"] == null)
            {
                LastErrorInfo = "";
                foreach (JObject record in jsonRezaltArray.Children <JObject>())
                {
                    KrakenOrder     ko = new KrakenOrder();
                    BaseOrderStatus os = BaseOrderStatus.Exsist;
                    os.Value     = record["order_id"].ToString().FirstCharToUpper();
                    ko.Status    = os;
                    ko.Pair      = new BaseCurrencyPair(record["descr"]["pair"].ToString());
                    ko.Type      = KrakenOrderType.SetValue(record["descr"]["type"].ToString().FirstCharToUpper());
                    ko.Ordertype = KrakenOrderType.SetValue(record["descr"]["ordertype"].ToString().FirstCharToUpper());
                    ko.Price     = double.Parse(record["descr"]["price"].ToString());
                    ko.Quantity  = double.Parse(record["vol"].ToString());
                    ko.OpenTm    = UnixTimestampToDateTime(double.Parse(record["opentm "].ToString()));
                    rezalt.Add(ko);
                }
            }
            else
            {
                LastErrorInfo = jsonRezaltArray["error"].ToString();
            }

            api_name      = "private/OpenOrders";
            nonce         = DateTime.Now.Ticks;
            data_transmit = string.Format("nonce={0}", nonce);
            signature     = SignatureFormat(api_name, data_transmit, nonce);
            heder         = new List <Tuple <string, string> >();
            heder.Add(new Tuple <string, string>("API-Key", Username));
            heder.Add(new Tuple <string, string>("API-Sign", signature));

            jsonRezalt      = wc.ReqwestPostAsync(string.Format(base_url, api_name), heder, data_transmit).Result;
            jsonRezaltArray = JArray.Parse(jsonRezalt);
            if (jsonRezaltArray["error"] == null)
            {
                foreach (JObject record in jsonRezaltArray.Children <JObject>())
                {
                    KrakenOrder     ko = new KrakenOrder();
                    BaseOrderStatus os = BaseOrderStatus.Exsist;
                    os.Value     = record["order_id"].ToString().FirstCharToUpper();
                    ko.Status    = os;
                    ko.Pair      = new BaseCurrencyPair(record["descr"]["pair"].ToString());
                    ko.Type      = KrakenOrderType.SetValue(record["descr"]["type"].ToString().FirstCharToUpper());
                    ko.Ordertype = KrakenOrderType.SetValue(record["descr"]["ordertype"].ToString().FirstCharToUpper());
                    ko.Price     = double.Parse(record["descr"]["price"].ToString());
                    ko.Quantity  = double.Parse(record["vol"].ToString());
                    ko.Amount    = double.Parse(record["count"].ToString());
                    ko.OpenTm    = UnixTimestampToDateTime(double.Parse(record["opentm "].ToString()));
                    rezalt.Add(ko);
                }
            }
            else
            {
                LastErrorInfo += jsonRezaltArray["error"].ToString();
            }
            rezalt = rezalt.Where(x => x.Pair.PairName == currencyPair.PairName).ToList();
            rezalt.OrderBy(x => x.OpenTm);
            return((top_count > 0)?rezalt.Take(top_count).ToList():rezalt);
        }