public Decimal GetTrendByMarket(string currency, string marketId)
{
var tm = AmountHelper.DateTimeToUnixTimestamp(DateTime.UtcNow);
var exchange_stats = _dtoMain.mainDb.GetCollection <ExchangeTicker>("aaexchanges_real_twodays");
DateTimeOffset dateTimeDaily = new DateTimeOffset(DateTime.UtcNow.Year, DateTime.UtcNow.Month, DateTime.UtcNow.Day, 0, 0, 0,
new TimeSpan(0, 0, 0)).AddDays(-1);
long unixTimeDaily = AmountHelper.DateTimeToUnixTimestamp(dateTimeDaily.UtcDateTime);
var exchangeStats = exchange_stats.Find(m => m.InCurrency == currency && m.OutCurrency == "BTC" && m.MarketID == marketId && m.Time >= unixTimeDaily).ToList();
Decimal dict24Prev = 0.0m;
Decimal dict24Now = 0.0m;
int a = 0, b = 0, i = 0;
foreach (var ex in exchangeStats)
{
if (i == 0)
{
dict24Prev += ex.Last;
a++;
}
else
{
dict24Now += ex.Last;
b++;
}
i++;
}
if (a == 0 || b == 0 || dict24Prev == 0)
{
return(0.0m);
}
Decimal trend = (dict24Now / b) * 100 / (dict24Prev / a) - 100;
return(trend);
}
public Dictionary <string, Decimal> GetTrendByMarkets(string currency)
{
Dictionary <string, Decimal> markets = new Dictionary <string, Decimal>();
var tm = AmountHelper.DateTimeToUnixTimestamp(DateTime.UtcNow);
var exchange_stats = _dtoMain.mainDb.GetCollection <ExchangeTicker>("aaexchanges_real_twodays");
DateTimeOffset dateTimeDaily = new DateTimeOffset(DateTime.UtcNow.Year, DateTime.UtcNow.Month, DateTime.UtcNow.Day, 0, 0, 0,
new TimeSpan(0, 0, 0)).AddDays(-1);
long unixTimeDaily = AmountHelper.DateTimeToUnixTimestamp(dateTimeDaily.UtcDateTime);
var exchangeStats = exchange_stats.Find(m => m.InCurrency == currency && m.OutCurrency == "BTC" && m.Time >= unixTimeDaily).ToList();
Dictionary <string, List <ExchangeTicker> > marketsList = new Dictionary <string, List <ExchangeTicker> >();
foreach (var mrkt in exchangeStats)
{
if (!marketsList.ContainsKey(mrkt.MarketID))
{
marketsList.Add(mrkt.MarketID, new List <ExchangeTicker>());
marketsList[mrkt.MarketID].Add(mrkt);
}
else
{
marketsList[mrkt.MarketID].Add(mrkt);
}
}
foreach (KeyValuePair <string, List <ExchangeTicker> > kv in marketsList)
{
Decimal dict24Prev = 0.0m;
Decimal dict24Now = 0.0m;
int a = 0, b = 0, i = 0;
foreach (var ex in kv.Value)
{
if (i == 0)
{
dict24Prev += ex.Last;
a++;
}
else
{
dict24Now += ex.Last;
b++;
}
i++;
}
if (a == 0 || b == 0 || dict24Prev == 0)
{
markets.Add(kv.Key, 0.0m);
continue;
}
Decimal trend = (dict24Now / b) * 100 / (dict24Prev / a) - 100;
markets.Add(kv.Key, trend);
}
return(markets);
}
public List <ExchangesCurrency> GetExchangePrice(string currency, List <Exchanges> extList = null)
{
List <Exchanges> exchanges = extList;
if (exchanges == null)
{
exchanges = GetExchanges();
}
var tm = AmountHelper.DateTimeToUnixTimestamp(DateTime.UtcNow);
var exchange_stats = _dtoMain.mainDb.GetCollection <ExchangeTicker>("aaexchanges_real");
var exchangeStats = exchange_stats.Find(m => m.InCurrency == currency && m.OutCurrency == "BTC").SortByDescending(s => s.Volume).ToList();
var lst = new List <ExchangesCurrency>();
if (exchangeStats.Count == 0)
{
return(lst);
}
var trends = GetTrendByMarkets(currency);
foreach (var ex in exchangeStats)
{
var exchange = exchanges.FirstOrDefault(m => m.MarketId == ex.MarketID);
if (exchange == null)
{
continue;
}
string exchangeUrlCoin = currency;
if (exchange.ExchangeDirectUrlParam == "lower")
{
exchangeUrlCoin = exchangeUrlCoin.ToLower();
}
var directUrl = string.Format(exchange.ExchangeDirectUrl, exchangeUrlCoin);
lst.Add(new ExchangesCurrency()
{
Buy = ex.Buy,
Sell = ex.Sell,
Last = ex.Last,
Volume = ex.Volume,
Change = trends.ContainsKey(ex.MarketID) ? trends[ex.MarketID] : 0.0m,
Exchange = exchange.Exchange,
ExchangeUrl = exchange.ExchangeUrl,
ExchangeDirectUrl = directUrl,
Time = ex.Time,
MarketID = ex.MarketID
});
}
return(lst);
}
public List <ExchangeHistory> GetHistory(string currency, int days)
{
int addDays = 0;
var tm = AmountHelper.DateTimeToUnixTimestamp(DateTime.UtcNow);
DateTimeOffset tmCheck = new DateTimeOffset(DateTime.UtcNow.Year, DateTime.UtcNow.Month, DateTime.UtcNow.Day, 3, 0, 0,
new TimeSpan(0, 0, 0));
long tmChekDate = ExchangeHelper.DateTimeToUnixTimestamp(tmCheck.UtcDateTime);
if (tmChekDate + 60 * 60 < tmChekDate)
{
addDays = -1;
}
var exchange_stats = _dtoMain.mainDb.GetCollection <ExchangeTicker>("aaexchanges_real_each");
DateTimeOffset dateTimeYesterday = new DateTimeOffset(DateTime.UtcNow.Year, DateTime.UtcNow.Month, DateTime.UtcNow.Day, 0, 0, 0,
new TimeSpan(0, 0, 0)).AddDays(-days + 1 + addDays);
long unixTimeHistory = AmountHelper.DateTimeToUnixTimestamp(dateTimeYesterday.UtcDateTime);
var exchangeStats = exchange_stats.Find(m => m.InCurrency == currency && m.OutCurrency == "BTC" && m.Time >= unixTimeHistory).ToList();
var history = new List <ExchangeHistory>();
var tmp = new Dictionary <long, List <Decimal> >();
var tmpVolume = new Dictionary <long, Decimal>();
foreach (var ex in exchangeStats)
{
if (!tmpVolume.ContainsKey(ex.Time))
{
tmpVolume.Add(ex.Time, 0.0m);
}
tmpVolume[ex.Time] += ex.Volume;
}
foreach (var ex in exchangeStats)
{
if (tmpVolume.ContainsKey(ex.Time) && tmpVolume[ex.Time] > 0 && ex.Volume * 100 / tmpVolume[ex.Time] < 3)
{
continue;
}
if (!tmp.ContainsKey(ex.Time))
{
tmp.Add(ex.Time, new List <decimal>());
}
tmp[ex.Time].Add(ex.Last);
}
int i = 1;
foreach (var ex in tmp)
{
if (i > days)
{
break;
}
var date = UnixTimeStampToDateTime(ex.Key);
var dateStr = date.Day + "-" + date.Month + "-" + date.Year;
history.Add(new ExchangeHistory()
{
Date = dateStr,
Price = ex.Value.Average()
});
i++;
}
return(history);
}
