public decimal GetTransactionsFee(ICurrencyIdentity aCurrency)
{
decimal?lResult = null;
if (FLastFeesDataRetrieval == DateTime.MinValue || FLastFeesDataRetrieval < DateTime.UtcNow.AddDays(-1))
{
using (var lClient = new BitfinexClient())
{
var lResponse = lClient.GetWithdrawalFeesAsync().Result;
if (!lResponse.Success)
{
throw new Exception($"Failed to get withdrawn fees from exchange server. {lResponse.Error}");
}
var lFees = lResponse.Data.Withdraw;
FWithdrawnFeesCache.Clear();
foreach (var lFee in lFees)
{
FWithdrawnFeesCache.TryAdd(lFee.Key, lFee.Value);
}
}
FLastFeesDataRetrieval = DateTime.UtcNow;
}
if (FWithdrawnFeesCache.TryGetValue(aCurrency.Ticker, out decimal lTxFee))
{
lResult = lTxFee;
}
else
{
using (var lClient = new BitfinexClient())
{
var lResponse = lClient.GetCurrenciesAsync().Result;
if (lResponse.Success)
{
var lExchangeTicker = lResponse.Data.Where(lCurrency => string.Equals(lCurrency.FullName, aCurrency.Name, StringComparison.OrdinalIgnoreCase)).FirstOrDefault()?.Name;
if (lExchangeTicker != null && FWithdrawnFeesCache.TryGetValue(lExchangeTicker, out lTxFee))
{
lResult = lTxFee;
}
}
}
}
return(lResult ?? throw new Exception($"Transaction fee for currency with ticker '{aCurrency.Ticker}' not found"));
}