public async Task <TokensAmountResultModel> GetTokensStatisticsForCustomerAsync(
            string customerId,
            DateTime?startDate,
            DateTime?endDate)
        {
            var totalBonusesAmount =
                await _bonusCashInsRepository.GetTotalAmountForCustomerAndPeriodAsync(customerId, startDate, endDate);

            var totalPartnersPaymentsAmount =
                await _partnersPaymentsRepository.GetTotalAmountForCustomerAndPeriodAsync(customerId, startDate,
                                                                                          endDate);

            var totalRefundedPartnersPaymentsAmount =
                await _partnersPaymentsRepository.GetRefundedTotalAmountForCustomerAndPeriodAsync(customerId, startDate,
                                                                                                  endDate);

            var totalBurnedAmount = CalculateTotalBurned(totalPartnersPaymentsAmount, totalRefundedPartnersPaymentsAmount);

            var result = new TokensAmountResultModel
            {
                Asset        = _tokenSymbol,
                EarnedAmount = totalBonusesAmount,
                BurnedAmount = totalBurnedAmount
            };

            return(result);
        }