public async Task <AssetBalanceModel> GetLykkeBalanceByAssetIdAsync(string assetId) { Balance balance = await _balanceService.GetByAssetIdAsync(ExchangeNames.Lykke, assetId); Credit credit = await _creditService.GetByAssetIdAsync(assetId); decimal balanceAmount = balance?.Amount ?? decimal.Zero; decimal creditAmount = credit?.Amount ?? decimal.Zero; return(new AssetBalanceModel { AssetId = assetId, Amount = balanceAmount, CreditAmount = creditAmount, Disbalance = balanceAmount - creditAmount }); }