/// <summary>
/// Get order book for a particular symbol.
/// </summary>
/// <param name="symbol">Ticker symbol.</param>
/// <param name="limit">Limit of records to retrieve.</param>
/// <returns></returns>
public async Task <OrderBook> GetOrderBook(string symbol, int limit = 100)
{
if (string.IsNullOrWhiteSpace(symbol))
{
throw new ArgumentException("symbol cannot be empty. ", "symbol");
}
var result = await _apiClient.CallAsync <dynamic>(ApiMethod.GET, EndPoints.OrderBook, false, $"symbol={symbol.ToUpper()}&limit={limit}");
var parser = new CustomParser();
var parsedResult = parser.GetParsedOrderBook(result);
return(parsedResult);
}
/// <summary>
/// Kline/candlestick bars for a symbol. Klines are uniquely identified by their open time.
/// </summary>
/// <param name="symbol">Ticker symbol.</param>
/// <param name="interval">Time interval to retreive.</param>
/// <param name="limit">Limit of records to retrieve.</param>
/// <returns></returns>
public async Task <IEnumerable <Candlestick> > GetCandleSticks(string symbol, TimeInterval interval, DateTime?startTime = null, DateTime?endTime = null, int limit = 500)
{
if (string.IsNullOrWhiteSpace(symbol))
{
throw new ArgumentException("symbol cannot be empty. ", "symbol");
}
var args = $"symbol={symbol.ToUpper()}&interval={interval.GetDescription()}"
+ (startTime.HasValue ? $"&startTime={startTime.Value.GetUnixTimeStamp()}" : "")
+ (endTime.HasValue ? $"&endTime={endTime.Value.GetUnixTimeStamp()}" : "")
+ $"&limit={limit}";
var result = await _apiClient.CallAsync <dynamic>(ApiMethod.GET, EndPoints.Candlesticks, false, args);
var parser = new CustomParser();
var parsedResult = parser.GetParsedCandlestick(result);
return(parsedResult);
}
/// <summary>
/// Connects to a Websocket endpoint.
/// </summary>
/// <typeparam name="T">Type used to parsed the response message.</typeparam>
/// <param name="parameters">Paremeters to send to the Websocket.</param>
/// <param name="messageDelegate">Deletage to callback after receive a message.</param>
/// <param name="useCustomParser">Specifies if needs to use a custom parser for the response message.</param>
public void ConnectToWebSocket <T>(string parameters, MessageHandler <T> messageHandler, bool useCustomParser = false)
{
var finalEndpoint = _webSocketEndpoint + parameters;
var ws = new WebSocket(finalEndpoint);
ws.OnMessage += (sender, e) =>
{
dynamic eventData;
if (useCustomParser)
{
var customParser = new CustomParser();
eventData = customParser.GetParsedDepthMessage(JsonConvert.DeserializeObject <dynamic>(e.Data));
}
else
{
eventData = JsonConvert.DeserializeObject <T>(e.Data);
}
messageHandler(eventData);
};
ws.OnClose += (sender, e) =>
{
_openSockets.Remove(ws);
};
ws.OnError += (sender, e) =>
{
_openSockets.Remove(ws);
};
ws.Connect();
_openSockets.Add(ws);
}