public async Task RetrieveKline2(Action <string> handler, List <string> lst) //string symbol, KlineInterval interval)
{
var payloadlst = lst.Select((code) => "{\"event\": \"subscribe\",\"channel\": \"candles\",\"key\": \"trade:" + ConvertHelper.ObtainEnumValue(KlineInterval.OneMinute) + ":t" + code.Split('.')[0] + "\"}");
int _klineSocketId = await AccessWebSocket.Subscribe2(payloadlst, handler);
}
public void CloseAllSocketConnet()
{
foreach (int socketID in socketIdList)
{
AccessWebSocket.Unsubscribe(socketID);
}
socketIdList.Clear();
}
public async Task RetrieveKline(Action <string> handler, string symbol, KlineInterval interval)
{
//if (_klineSocketId.HasValue)
// AbortKline();
string payload = "{\"event\": \"subscribe\",\"channel\": \"candles\",\"key\": \"trade:"
+ ConvertHelper.ObtainEnumValue(interval) + ":t" + symbol + "\"}";
//Payload payload = new Payload()
//{
// Channel = "candles",
// Key = $"trade:{ConvertHelper.ObtainEnumValue(interval)}:t{symbol}"
//};
int _klineSocketId = await AccessWebSocket.Subscribe(payload, handler);
}
public void RetrieveOrderBooks(Action <PairInfo> handler, string symbol, string precision)
{
var args = GeneratePayload("book");
args.Add("pair", symbol.ToUpper());
args.Add("prec", precision);
AccessWebSocket.Subscribe(args, o =>
{
if (o.Count == 4)
{
handler(new PairInfo()
{
amount = (decimal)o[o.Count - 1],
price = (decimal)o[o.Count - 3],
timestamp = DateTime.UtcNow,
});
}
});
}
T GetSnapShot <T> (string args, string chanId)
{
string id = AccessWebSocket.Subscribe <T>(args, chanId);
int messageNum = 0;
Queue <string> buffer = AccessWebSocket._bufferPool[id];
while (messageNum < 2)
{
while (buffer.Count == 0)
{
;
}
buffer.Dequeue();
messageNum++;
}
while (buffer.Count == 0)
{
;
}
return(JsonConvert.DeserializeObject <T>(buffer.Dequeue()));
}
public void RetrieveTrades(Action <PairInfo> handler, string symbol)
{
var args = GeneratePayload("trades");
args.Add("pair", symbol.ToUpper());
int socketID = AccessWebSocket.Subscribe(args, o =>
{
if ((o.Count == 6))
{
handler(new PairInfo()
{
amount = (decimal)o[o.Count - 1],
price = (decimal)o[o.Count - 2],
timestamp = DateTimeOffset.FromUnixTimeSeconds((long)o[o.Count - 3]).DateTime,
});
}
});
socketIdList.Add(socketID);
}