/// <summary>
/// Choose the best fiat value for this trade
/// </summary>
/// <param name="trade">Trade</param>
/// <param name="provider">Provider</param>
/// <param name="date">date</param>
/// <returns>Decimal value</returns>
public static decimal ChooseFiatValueForTrade(this Trade trade, FiatProviderBase provider, DateTime date)
{
// Check same as provider
if (trade.From.Coin == provider.Coin)
{
trade.Fees = trade.SumarizeFees(trade.From.Coin == provider.Coin ? trade.To.Coin : trade.From.Coin);
return(trade.From.Value);
}
else if (trade.To.Coin == provider.Coin)
{
trade.Fees = trade.SumarizeFees(trade.From.Coin == provider.Coin ? trade.To.Coin : trade.From.Coin);
return(trade.To.Value);
}
else if (trade.From.Coin == ECoin.USD)
{
trade.Fees = trade.SumarizeFees(trade.From.Coin == provider.Coin ? trade.To.Coin : trade.From.Coin);
return(trade.From.Value * provider.GetFiatPrice(null, ECoin.USD, date));
}
else if (trade.To.Coin == ECoin.USD)
{
trade.Fees = trade.SumarizeFees(trade.From.Coin == provider.Coin ? trade.To.Coin : trade.From.Coin);
return(trade.To.Value * provider.GetFiatPrice(null, ECoin.USD, date));
}
// Check BTC first
foreach (var market in AvailableMarkets)
{
if (!trade.FromOrToIs(market))
{
continue;
}
var price = provider.GetFiatPrice(trade.Exchange, market, date);
price *= (trade.From.Coin == market ? trade.From.Value : trade.To.Value);
trade.Fees = trade.SumarizeFees(trade.From.Coin == market ? trade.To.Coin : trade.From.Coin);
return(price);
}
throw new ArgumentException("Market not found");
}
/// <summary>
/// Compute fiat values
/// </summary>
/// <param name="trades">Trades</param>
/// <param name="provider">Provider</param>
public static void ComputeFiatValues(this IEnumerable <Trade> trades, FiatProviderBase provider)
{
foreach (var trade in trades)
{
if (!trade.FiatCostWithoutFees.HasValue)
{
trade.FiatCostWithoutFees = trade.ChooseFiatValueForTrade(provider, trade.Date);
}
if (!trade.FiatFees.HasValue)
{
trade.FiatFees = 0;
foreach (var fee in trade.Fees)
{
trade.FiatFees += trade.ChooseFiatPriceForFee(provider, fee);
}
}
}
}
/// <summary>
/// Choose the best price for this trade
/// </summary>
/// <param name="provider">Provider</param>
/// <param name="fee">Trade</param>
/// <param name="trade">Trade</param>
/// <returns>Decimal value</returns>
public static decimal ChooseFiatPriceForFee(this Trade trade, FiatProviderBase provider, Quantity fee)
{
return(provider.GetFiatPrice(trade.Exchange, fee.Coin, trade.Date) * fee.Value);
}
