public AccountBalance Convert(long amount)
{
try
{
if (amount <= 0)
{
return(null);
}
var result = TransactionDAO.ExchangeCoin(AccountSession.AccountID, amount);
if (result == null || result.Coin <= 0)
{
return(null);
}
return(result);
} catch (Exception ex)
{
NLogManager.PublishException(ex);
}
return(null);
}