public static List <CryptoCoin> UpdateCoinsCurrentPrice(List <CryptoCoin> coins, List <MarketCoin> apiFetchedCoins, Dictionary <int, HistoricCoinPrice> historicPrices, bool useCombinedDisplay = true, Types.CoinCurrency currency = Types.CoinCurrency.USD)
{
MarketCoin btcCoin = apiFetchedCoins.FirstOrDefault(x => x.Symbol == "BTC");
MarketCoin ethCoin = apiFetchedCoins.FirstOrDefault(x => x.Symbol == "ETH");
if (btcCoin == null || ethCoin == null)
{
return(coins);
}
coins = CorrectCryptoCoinSymbols(coins);
if (useCombinedDisplay)
{
coins = ToCoinsCombinedMode(coins);
}
foreach (CryptoCoin coin in coins)
{
string[] supportedSymbolPrefix = { "BTC-", "ETH-", "USDT-", "USD-" };
if (!supportedSymbolPrefix.Any(x => coin.Symbol.StartsWith(x)))
{
continue;
} // We do not support anything other than BTC, ETH, USD
string[] symbol = coin.Symbol.Contains("-") ? coin.Symbol.Split('-') : new[] { "", coin.Symbol };
coin.CurrentUSDPriceOfBTC = btcCoin.CurrentSymbolPriceUSD;
coin.CurrentUSDPriceOfETH = ethCoin.CurrentSymbolPriceUSD;
if (coin.OrderDate != DateTime.MinValue)
{
coin.OrderedDateUSDPriceOfBTC = GetPriceOfETHorBTCOnSpecificDate(historicPrices, coin.OrderDate.ToEpochDayAt12am(), Types.CoinCurrency.BTC);
if (currency == Types.CoinCurrency.ETH)
{
coin.OrderedDateUSDPriceOfETH = GetPriceOfETHorBTCOnSpecificDate(historicPrices, coin.OrderDate.ToEpochDayAt12am(), Types.CoinCurrency.ETH);
if (coin.OrderedDateUSDPriceOfETH > 0)
{
coin.GeneratedPricePerUnitETH = (coin.TotalPricePaidUSD.GetValueOrDefault() / coin.Shares) / coin.OrderedDateUSDPriceOfETH;
}
}
}
MarketCoin fetchedCoin = apiFetchedCoins.FirstOrDefault(x => x.Symbol.Contains(symbol[1]));
if (fetchedCoin == null)
{
continue;
}
coin.MarketCoin.CurrentSymbolPriceBTC = fetchedCoin.CurrentSymbolPriceBTC;
coin.MarketCoin.CurrentSymbolPriceUSD = fetchedCoin.CurrentSymbolPriceUSD;
coin.MarketCoin.Name = fetchedCoin.Name;
coin.MarketCoin.CoinMarketCapID = fetchedCoin.CoinMarketCapID;
}
return(coins);
}
/// <summary>
/// Gets the latest price of Coin Currency. For example, if we want the current price of BTC, we pass in BTC as coin currency.
/// </summary>
public static decimal GetLatestPriceOfSymbol(string symbol, List <MarketCoin> marketCoins, Types.CoinCurrency currency = Types.CoinCurrency.USD)
{
MarketCoin marketCoin = marketCoins.FirstOrDefault(x => x.Symbol == symbol.Split('-')[1].ToUpperInvariant());
if (marketCoin == null)
{
return(0);
}
if (currency == Types.CoinCurrency.USD)
{
return(marketCoin.CurrentSymbolPriceUSD);
}
if (currency == Types.CoinCurrency.BTC)
{
return(marketCoin.CurrentSymbolPriceBTC);
}
if (currency == Types.CoinCurrency.ETH)
{
MarketCoin ethCoin = marketCoins.FirstOrDefault(x => x.Symbol == "ETH");
return(marketCoin.CurrentSymbolPriceUSD / ethCoin.CurrentSymbolPriceUSD);
}
return(0);
}