public decimal GetTotalCredit()
{
var q = from t in CreditTransactions.Where(t => IsCredit(t).HasValue&& IsCredit(t).Value)
join price in Prices on t.ProductId equals price.ProductId
select price.Price * t.BallanceUnits;
return(q.Sum(t => t));
}
public CreditTransactions GetCreditTransactions(byte[] result)
{
return(CreditTransactions.ParseFrom(result));
}
