public override void Init(admin_zeegzagContext db)
{
ExchangeId = 0;
CreatePuller("volumer", 60 * 10, 120, OnVoluming, false);
//CreatePuller("clear-history",60, 120 + (60*5), OnClearHistory, false);
CreatePuller("arbitrage", 60, 120, OnCalculateArbitrage, false);
}
/// <inheritdoc />
public void Execute(admin_zeegzagContext db)
{
var alias = ";" + _currencyShort + ";";
var currencyId = CachingService.CurrencyIdByName(_currencyShort,
() => db.CurrencyT.FirstOrDefault(c => c.ShortName == _currencyShort || c.Alias.Contains(alias))?.Id);
if (!currencyId.HasValue)
{
if (_isActive.GetValueOrDefault(true))
{
//add new coin (since we do not call savechanges() immediately, we do not have id yet. So txfee will be updated on next turn)
db.CurrencyT.Add(new CurrencyT()
{
Name = _currencyLong ?? _currencyShort,
ShortName = _currencyShort,
});
DatabaseService.EnqueueBroadcast(437907950, $"New coin is added to ZeegZag: {_currencyShort}",
new InlineKeyboardMarkup(new InlineKeyboardButton[] { new InlineKeyboardUrlButton("Advertise here", "https://www.zeegzag.com"), }));
}
}
else
{
//update txfee
var borsaCurrency = db.BorsaCurrencyT
.Where(bc => bc.BorsaId == _exchangeId && bc.ToCurrencyId == currencyId).ToList();
foreach (var bc in borsaCurrency)
{
bc.TxFee = _txFee;
if (_isActive.HasValue)
{
bc.Disabled = !_isActive.Value;
}
}
}
}
/// <inheritdoc />
public override void Init(admin_zeegzagContext db)
{
GetExchangeId(db);
RegisterRateLimit(12);
CreatePuller(PULLER_CURRENCY, 60 * 60, 0, OnPullingCurrencies); //pull new currencies every 6 hours
CreatePuller(PULLER_MARKETS, 60 * 60, 45, OnPullingMarkets); //pull markets every hour
CreatePuller(PULLER_PRICE, 60, 90, OnPullingPrices); //pull prices every minute
}
public void Execute(admin_zeegzagContext db)
{
var bc = db.BorsaCurrencyT.Find(_bcId);
bc.BuyArbitrageVolume = Maximize(_buyArbitrageVolume);
bc.BuyArbitrageWeight = Maximize(_buyArbitrageWeight);
bc.SellArbitrageVolume = Maximize(_sellArbitrageVolume);
bc.SellArbitrageWeight = Maximize(_sellArbitrageWeight);
bc.BuyPrice = Maximize(_buyPrice);
bc.SellPrice = Maximize(_sellPrice);
}
public void Execute(admin_zeegzagContext db)
{
if (disableMode)
{
//disabling all remaining entities
foreach (var bc in _prices.Where(p => p.AutoGenerated != true))
{
bc.Disabled = true;
}
}
else
{
//adding or updating entities
var fromAlias = ";" + _from + ";";
var toAlias = ";" + _to + ";";
var borsaCurrency = _prices.FirstOrDefault(bc =>
(bc.FromCurrency.ShortName == _from || (bc.FromCurrency.Alias?.Contains(fromAlias) ?? false)) &&
(bc.ToCurrency.ShortName == _to || (bc.ToCurrency.Alias?.Contains(toAlias) ?? false)));
if (borsaCurrency == null)
{
if (_isActive)
{
var fromCur = db.CurrencyT.FirstOrDefault(c => c.ShortName == _from || c.Alias.Contains(fromAlias));
var toCur = db.CurrencyT.FirstOrDefault(c => c.ShortName == _to || c.Alias.Contains(toAlias));
if (fromCur != null && toCur != null)
{
//add new
borsaCurrency = db.BorsaCurrencyT.Add(new BorsaCurrencyT
{
FromCurrencyId = fromCur.Id,
ToCurrencyId = toCur.Id,
BorsaId = _exchangeId,
Price = 0,
FromCurrencyName = _from,
ToCurrencyName = _to
}).Entity;
}
}
}
else
{
borsaCurrency.Disabled = !_isActive;
borsaCurrency.AutoGenerated = false;
borsaCurrency.FromCurrencyName = _from;
borsaCurrency.ToCurrencyName = _to;
}
_prices.Remove(borsaCurrency);
}
}
/// <summary>
/// Must be called from exchange service from Init() method with its api name to get id and create if not exists
/// </summary>
/// <param name="db">Database context</param>
/// <param name="name">Name of exhange service</param>
protected void GetExchangeId(admin_zeegzagContext db)
{
var borsa = db.BorsaT.FirstOrDefault(b => b.Name == Name);
if (borsa == null)
{
borsa = db.BorsaT.Add(new BorsaT()
{
Name = Name,
ApiName = Name,
IsActive = true,
}).Entity;
db.SaveChanges();
}
_exchangeId = borsa.Id;
}
public void Execute(admin_zeegzagContext db)
{
var usdtId = CachingService.CurrencyIdByName("USDT",
() => db.CurrencyT.FirstOrDefault(c => c.ShortName == "USDT")?.Id);
if (UsdConverters == null)
{
UsdConverters = db.BorsaCurrencyT
.Where(bc =>
bc.FromCurrencyId == usdtId &&
(bc.ToCurrency.ShortName == "BTC" || bc.ToCurrency.ShortName == "ETH"))
.ToList()
.ToLookup(bc => bc.BorsaId, bc => bc);
}
var borsaId = _borsaCurrency.BorsaId;
var fromId = _borsaCurrency.FromCurrencyId;
var toId = _borsaCurrency.ToCurrencyId;
//if has its own usd converter from this market
if (db.BorsaCurrencyT.Any(bc => bc.BorsaId == borsaId && bc.FromCurrencyId == usdtId && bc.ToCurrencyId == toId && bc.AutoGenerated != true))
{
return;
}
var converter = UsdConverters[_borsaCurrency.BorsaId].FirstOrDefault(bc => bc.ToCurrencyId == fromId); //USD-BTC == BTC-MCO //From-To == From-To
if (converter == null)
{
return;
}
var rate = converter.Price;
var price = _borsaCurrency.Price * rate;
BorsaCurrencyT generated;
var key = _borsaCurrency.BorsaId + "-" + _borsaCurrency.ToCurrencyId;
if (Cache.ContainsKey(key))
{
generated = Cache[key];
}
else
{
generated = db.BorsaCurrencyT.FirstOrDefault(bc => bc.BorsaId == borsaId &&
bc.FromCurrencyId == usdtId &&
bc.ToCurrencyId == toId);
if (generated == null)
{
generated = new BorsaCurrencyT()
{
BorsaId = _borsaCurrency.BorsaId,
FromCurrencyId = usdtId.Value,
ToCurrencyId = toId,
AutoGenerated = true,
};
try
{
db.BorsaCurrencyT.Add(generated);
}
catch (Exception e)
{
Console.WriteLine("Error on add: " + e);
}
Cache[key] = generated;
}
else
{
if (generated.LastUpdate.HasValue)
{
db.HistoryT.Add(new HistoryT()
{
BorsaCurrencyId = generated.Id,
EntryDate = generated.LastUpdate.Value,
Price = generated.Price,
});
}
}
}
generated.Price = price;
generated.LastUpdate = DateTime.Now;
}
/// <summary> /// Initiates the exchange service /// </summary> public abstract void Init(admin_zeegzagContext db);
public void Execute(admin_zeegzagContext db)
{
var bc = db.BorsaCurrencyT.Find(_bcId);
//save history
if (!dontUpdateDate)
{
if (bc.LastUpdate.HasValue)
{
db.HistoryT.Add(new HistoryT()
{
BorsaCurrencyId = bc.Id,
EntryDate = bc.LastUpdate.Value,
Price = bc.Price,
High24Hour = bc.High24Hour,
Low24Hour = bc.Low24Hour,
Open24Hour = bc.Open24Hour,
Close24Hour = bc.Close24Hour,
Volume24Hour = bc.Volume24Hour,
Volume24HourTo = bc.Volume24HourTo,
Volume = bc.Volume,
VolumePeriod = bc.VolumePeriod,
Open = bc.Open,
Close = bc.Close,
High = bc.High,
Low = bc.Low,
});
}
bc.LastUpdate = DateTime.Now;
}
if (updatePrice)
{
bc.Price = _price;
}
if (updateVolume)
{
bc.Volume = _volume;
bc.VolumePeriod = _volumePeriod;
}
if (updateVolume24)
{
bc.Volume24Hour = _volume24;
bc.Volume24HourTo = _volume24To;
}
if (updatePriceData)
{
bc.Open = _open;
bc.High = _high;
bc.Low = _low;
bc.Close = _close;
}
if (updatePrice24Data)
{
bc.Open24Hour = _open24;
bc.High24Hour = _high24;
bc.Low24Hour = _low24;
bc.Close24Hour = _close24;
}
if (updateHealth)
{
bc.CanDeposit = _canDeposit;
bc.CanWithdraw = _canWithdraw;
}
}
