public CryptocurrencyTable(int id, string CoinmarketcapID) : base(id)
{
//Everytime the original constructor is called let's try update current Market rate
//This class is cached for 60 seconds, so the consturcor is called evey 60 seconds
Money CurrentMarketPrice = CoinmarketcapHelper.GetCurrentExchangeRate(CoinmarketcapID, AppSettings.Site.CurrencyCode);
if (CurrentMarketPrice != Money.Zero && CurrentMarketPrice != MarketPrice)
{
MarketPrice = CurrentMarketPrice;
Save();
}
}
private Money GetOriginalValueFromAPI(string currencyCode)
{
return(CoinmarketcapHelper.GetCurrentExchangeRate(CoinmarketcapID, currencyCode));
}
public static Money GetCurrentExchangeRate(string exchangeCodeId, string currencyCode)
{
//Usually we takie it right from the API
//However it differs for ERC20 Token Because we don't have its value in the API
#region Token value
if (exchangeCodeId == "ERC20Token")
{
if (AppSettings.Site.CurrencyIsTokenCryptocurrency)
{
return(new Money(1));
}
else
{
return(AppSettings.Ethereum.ERC20TokenRate);
}
}
//We have token cryptocurrency as our main website currency and we want to fetch other official cryptocurrency value
//We need to get token value to BTC/USD/whatever and then lookup the value in the API
if (currencyCode == AppSettings.Site.CurrencyCode && AppSettings.Site.CurrencyIsTokenCryptocurrency)
{
if (AppSettings.Payments.TokenCryptocurrencyValueType == TokenCryptocurrencyValue.Static)
{
if (AppSettings.Ethereum.ERC20TokenRate.IsZero)
{
return(Money.Zero);
}
//We have static value in USD (1 TOKEN = X USD)
Money OneCryptoInUSD = CoinmarketcapHelper.GetCurrentExchangeRateFromAPI(exchangeCodeId, "USD");
return(new Money(OneCryptoInUSD.ToDecimal() / AppSettings.Ethereum.ERC20TokenRate.ToDecimal()));
}
else if (AppSettings.Payments.TokenCryptocurrencyValueType == TokenCryptocurrencyValue.DynamicFromInternalExchange)
{
//We take value from Internal Exchange
decimal OneStockValue = InternalExchangeTransaction.GetLastStockValue();
if ((AppSettings.InternalExchange.InternalExchangeStockType == BalanceType.MainBalance ||
AppSettings.InternalExchange.InternalExchangeStockType == BalanceType.CashBalance) &&
AppSettings.InternalExchange.InternalExchangePurchaseVia == BalanceType.BTC)
{
if (OneStockValue == 0)
{
return(Money.Zero);
}
//Stock = our token currency
//Purchase via BTC
Money OneCryptoInBTC = CoinmarketcapHelper.GetCurrentExchangeRateFromAPI(exchangeCodeId, "BTC");
return(new Money(OneCryptoInBTC.ToDecimal() / OneStockValue));
}
}
return(new Money(1));
}
#endregion
return(GetCurrentExchangeRateFromAPI(exchangeCodeId, currencyCode));
}
