public async Task <IEnumerable <AccountBalanceRecordDto> > GetCustomerAccountBalance(string cid)
        {
            _logger.LogDebug($"Request balance of customer : {cid} ");
            var e = (await _service.GetBalanceAsync(cid));
            var r = e.Select(x => _mapper.Map <AccountBalanceRecordDto>(x));

            return(r);
        }