public async Task <List <CandleStick> > GetCandleStickData(int minutes, int granularity, string productId)
{
if (!CheckGranularity(granularity))
{
return(null);
}
List <CandleStick> candleList = new List <CandleStick>();
IEnumerable <object[]> candleDataList;
string start = DateTime.UtcNow.AddMinutes(-minutes).ToString("o");
string end = DateTime.UtcNow.ToString("o");
try
{
APIConnect api = new APIConnect();
var queryString = api.BuildQuery(new KeyValuePair <string, string>("start", start), new KeyValuePair <string, string>("end", end),
new KeyValuePair <string, string>("granularity", granularity.ToString()));
var uriString = $"/products/{productId}/candles" + queryString;
var response = await api.CallStringAsync(uriString);
candleDataList = JsonConvert.DeserializeObject <IEnumerable <object[]> >(response);
foreach (var item in candleDataList)
{
candleList.Add(new CandleStick()
{
Time = Int32.Parse(item[0].ToString()),
Low = Convert.ToDouble(item[1].ToString()),
High = Convert.ToDouble(item[2].ToString()),
Open = Convert.ToDouble(item[3].ToString()),
Close = Convert.ToDouble(item[4].ToString()),
Volume = Convert.ToDouble(item[5].ToString())
});
}
}
catch (HttpResponseException ex)
{
throw ex;
}
return(candleList);
}
