public static string ToCurrencyLabel(this UserBalanceItemModel currency)
 {
     if (currency != null)
     {
         return(string.Format("{0}({1})", currency.Name, currency.Symbol));
     }
     return(string.Empty);
 }
 public static bool IsZeroBalance(this UserBalanceItemModel balance)
 {
     return(balance.PendingWithdraw <= 0 && balance.PoolPending <= 0 && balance.HeldForTrades <= 0 && balance.Available <= 0);
 }