public async Task <IEnumerable <BinanceTrade> > GetTrades(string symbol) { var timestamp = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds().ToString(); string totalParams = string.Format("symbol={0}×tamp={1}", symbol, timestamp); string sign = CalculateSignature(totalParams, _config.Secret); var data = new Dictionary <string, object> { { "symbol", symbol }, { "timestamp", timestamp }, { "signature", sign } }; return(await _binance.GetTrades(_config.ApiKey, data)); }