public PublicTransactionData(string transaction_date, string type, string units_traded, string price, string total)
{
if (CUnixTime.IsDateTimeFormat(transaction_date) == true)
{
var _tdate = CUnixTime.ConvertToUtcTime(transaction_date + "+09:00");
this.transaction_date = CUnixTime.ConvertToUnixTimeMilli(_tdate);
}
else
{
this.transaction_date = Convert.ToInt64(transaction_date);
}
this.type = type;
this.units_traded = Convert.ToDecimal(units_traded);
this.price = decimal.Parse(price, NumberStyles.Float);
this.total = decimal.Parse(total, NumberStyles.Float);
}
/// <summary>
/// Fetch array of symbol name and OHLCVs data
/// </summary>
/// <param name="base_name">The type of trading base-currency of which information you want to query for.</param>
/// <param name="quote_name">The type of trading quote-currency of which information you want to query for.</param>
/// <param name="timeframe">time frame interval (optional): default "1d"</param>
/// <param name="since">return committed data since given time (milli-seconds) (optional): default 0</param>
/// <param name="limits">maximum number of items (optional): default 20</param>
/// <param name="args">Add additional attributes for each exchange</param>
/// <returns></returns>
public override async ValueTask <OHLCVs> FetchOHLCVsAsync(string base_name, string quote_name, string timeframe = "1d", long since = 0, int limits = 20, Dictionary <string, object> args = null)
{
var _result = new OHLCVs(base_name, quote_name);
var _market = await this.LoadMarketAsync(_result.marketId);
if (_market.success == true)
{
publicClient.ExchangeInfo.ApiCallWait(TradeType.Public);
var _timeframe = publicClient.ExchangeInfo.GetTimeframe(timeframe);
var _timestamp = publicClient.ExchangeInfo.GetTimestamp(timeframe);
var _params = new Dictionary <string, object>();
{
_params.Add("granularity", _timestamp);
var _till_time = CUnixTime.Now;
var _from_time = (since > 0) ? since / 1000 : _till_time - _timestamp * limits; // 가져올 갯수 만큼 timeframe * limits 간격으로 데이터 양 계산
_params.Add("start", CUnixTime.ConvertToUtcTime(_from_time).ToString("o")); // ISO 8601 datetime string with seconds
_params.Add("end", CUnixTime.ConvertToUtcTime(_till_time).ToString("o"));
publicClient.MergeParamsAndArgs(_params, args);
}
var _json_value = await publicClient.CallApiGet1Async($"/products/{_market.result.symbol}/candles", _params);
#if DEBUG
_result.rawJson = _json_value.Content;
#endif
var _json_result = publicClient.GetResponseMessage(_json_value.Response);
if (_json_result.success == true)
{
var _json_data = publicClient.DeserializeObject <JArray>(_json_value.Content);
_result.result.AddRange(
_json_data
.Select(x => new OHLCVItem
{
timestamp = x[0].Value <long>() * 1000,
openPrice = x[3].Value <decimal>(),
highPrice = x[2].Value <decimal>(),
lowPrice = x[1].Value <decimal>(),
closePrice = x[4].Value <decimal>(),
volume = x[5].Value <decimal>()
})
.Where(o => o.timestamp >= since)
.OrderByDescending(o => o.timestamp)
.Take(limits)
);
}
_result.SetResult(_json_result);
}
else
{
_result.SetResult(_market);
}
return(_result);
}
