Update price display (#4736)

* Update price display

As proposed by @dstrukt in #4364.

* Update format

* Unify price display across the app

* Add DisplayFormatter

* Replace DisplayFormatCurrency method

* Use symbol currency format for invoice

* Unify currency formats on backend pages

* Revert recent changes

* Do not show exchange rate and fiat order amount for crypto denominations

* Fix test and add test cases

BTCPayServer/Controllers/UICustodianAccountsController.cs

@@ -13,6 +13,7 @@ using BTCPayServer.Data;
 using BTCPayServer.Filters;
 using BTCPayServer.Models.CustodianAccountViewModels;
 using BTCPayServer.Payments;
+using BTCPayServer.Services;
 using BTCPayServer.Services.Custodian.Client;
 using BTCPayServer.Services.Rates;
 using Microsoft.AspNetCore.Authorization;
@@ -32,13 +33,13 @@ namespace BTCPayServer.Controllers
     {
         private readonly IEnumerable<ICustodian> _custodianRegistry;
         private readonly CustodianAccountRepository _custodianAccountRepository;
-        private readonly CurrencyNameTable _currencyNameTable;
+        private readonly DisplayFormatter _displayFormatter;
         private readonly BTCPayServerClient _btcPayServerClient;
         private readonly BTCPayNetworkProvider _networkProvider;
         private readonly LinkGenerator _linkGenerator;
 
         public UICustodianAccountsController(
-            CurrencyNameTable currencyNameTable,
+            DisplayFormatter displayFormatter,
             UserManager<ApplicationUser> userManager,
             CustodianAccountRepository custodianAccountRepository,
             IEnumerable<ICustodian> custodianRegistry,
@@ -47,7 +48,7 @@ namespace BTCPayServer.Controllers
             LinkGenerator linkGenerator
         )
         {
-            _currencyNameTable = currencyNameTable ?? throw new ArgumentNullException(nameof(currencyNameTable));
+            _displayFormatter = displayFormatter;
             _custodianAccountRepository = custodianAccountRepository;
             _custodianRegistry = custodianRegistry;
             _btcPayServerClient = btcPayServerClient;
@@ -144,7 +145,7 @@ namespace BTCPayServer.Controllers
                         if (asset.Equals(defaultCurrency))
                         {
                             assetBalance.FormattedFiatValue =
-                                _currencyNameTable.DisplayFormatCurrency(pair.Value.Qty, defaultCurrency);
+                                _displayFormatter.Currency(pair.Value.Qty, defaultCurrency);
                             assetBalance.FiatValue = pair.Value.Qty;
                         }
                         else
@@ -156,11 +157,11 @@ namespace BTCPayServer.Controllers
                                 assetBalance.Bid = quote.Bid;
                                 assetBalance.Ask = quote.Ask;
                                 assetBalance.FormattedBid =
-                                    _currencyNameTable.DisplayFormatCurrency(quote.Bid, quote.FromAsset);
+                                    _displayFormatter.Currency(quote.Bid, quote.FromAsset);
                                 assetBalance.FormattedAsk =
-                                    _currencyNameTable.DisplayFormatCurrency(quote.Ask, quote.FromAsset);
+                                    _displayFormatter.Currency(quote.Ask, quote.FromAsset);
                                 assetBalance.FormattedFiatValue =
-                                    _currencyNameTable.DisplayFormatCurrency(pair.Value.Qty * quote.Bid,
+                                    _displayFormatter.Currency(pair.Value.Qty * quote.Bid,
                                         defaultCurrency);
                                 assetBalance.FiatValue = pair.Value.Qty * quote.Bid;
                             }

BTCPayServer/Controllers/UIInvoiceController.UI.cs

@@ -20,6 +20,7 @@ using BTCPayServer.Models.InvoicingModels;
 using BTCPayServer.Models.PaymentRequestViewModels;
 using BTCPayServer.Payments;
 using BTCPayServer.Rating;
+using BTCPayServer.Services;
 using BTCPayServer.Services.Apps;
 using BTCPayServer.Services.Invoices;
 using BTCPayServer.Services.Invoices.Export;
@@ -137,10 +138,10 @@ namespace BTCPayServer.Controllers
                 CreatedDate = invoice.InvoiceTime,
                 ExpirationDate = invoice.ExpirationTime,
                 MonitoringDate = invoice.MonitoringExpiration,
-                Fiat = _CurrencyNameTable.DisplayFormatCurrency(invoice.Price, invoice.Currency),
+                Fiat = _displayFormatter.Currency(invoice.Price, invoice.Currency),
                 TaxIncluded = invoice.Metadata.TaxIncluded is null
                     ? null
-                    : _CurrencyNameTable.DisplayFormatCurrency(invoice.Metadata.TaxIncluded ?? 0.0m, invoice.Currency),
+                    : _displayFormatter.Currency(invoice.Metadata.TaxIncluded ?? 0.0m, invoice.Currency),
                 NotificationUrl = invoice.NotificationURL?.AbsoluteUri,
                 RedirectUrl = invoice.RedirectURL?.AbsoluteUri,
                 TypedMetadata = invoice.Metadata,
@@ -229,8 +230,8 @@ namespace BTCPayServer.Controllers
                         Amount = amount,
                         Paid = paid,
                         ReceivedDate = paymentEntity.ReceivedTime.DateTime,
-                        PaidFormatted = _CurrencyNameTable.FormatCurrency(paid, i.Currency),
-                        RateFormatted = _CurrencyNameTable.FormatCurrency(rate, i.Currency),
+                        PaidFormatted = _displayFormatter.Currency(paid, i.Currency, DisplayFormatter.CurrencyFormat.Symbol),
+                        RateFormatted = _displayFormatter.Currency(rate, i.Currency, DisplayFormatter.CurrencyFormat.Symbol),
                         PaymentMethod = paymentMethodId.ToPrettyString(),
                         Link = link,
                         Id = txId,
@@ -354,8 +355,7 @@ namespace BTCPayServer.Controllers
                         var cryptoPaid = paymentMethod.Calculate().Paid.ToDecimal(MoneyUnit.BTC);
                         var paidCurrency = Math.Round(cryptoPaid * paymentMethod.Rate, cdCurrency.Divisibility);
                         model.CryptoAmountThen = cryptoPaid.RoundToSignificant(paymentMethodDivisibility);
-                        model.RateThenText =
-                            _CurrencyNameTable.DisplayFormatCurrency(model.CryptoAmountThen, paymentMethodId.CryptoCode);
+                        model.RateThenText = _displayFormatter.Currency(model.CryptoAmountThen, paymentMethodId.CryptoCode);
                         rules = store.GetStoreBlob().GetRateRules(_NetworkProvider);
                         rateResult = await _RateProvider.FetchRate(
                             new CurrencyPair(paymentMethodId.CryptoCode, invoice.Currency), rules,
@@ -369,13 +369,12 @@ namespace BTCPayServer.Controllers
                         }
 
                         model.CryptoAmountNow = Math.Round(paidCurrency / rateResult.BidAsk.Bid, paymentMethodDivisibility);
-                        model.CurrentRateText =
-                            _CurrencyNameTable.DisplayFormatCurrency(model.CryptoAmountNow, paymentMethodId.CryptoCode);
+                        model.CurrentRateText = _displayFormatter.Currency(model.CryptoAmountNow, paymentMethodId.CryptoCode);
                         model.FiatAmount = paidCurrency;
                     }
                     model.CustomAmount = model.FiatAmount;
                     model.CustomCurrency = invoice.Currency;
-                    model.FiatText = _CurrencyNameTable.DisplayFormatCurrency(model.FiatAmount, invoice.Currency);
+                    model.FiatText = _displayFormatter.Currency(model.FiatAmount, invoice.Currency);
                     return View("_RefundModal", model);
 
                 case RefundSteps.SelectRate:
@@ -477,7 +476,6 @@ namespace BTCPayServer.Controllers
 
         private InvoiceDetailsModel InvoicePopulatePayments(InvoiceEntity invoice)
         {
-
             var overpaid = false;
             var model = new InvoiceDetailsModel
             {
@@ -500,15 +498,11 @@ namespace BTCPayServer.Controllers
                         {
                             PaymentMethodId = paymentMethodId,
                             PaymentMethod = paymentMethodId.ToPrettyString(),
-                            Due = _CurrencyNameTable.DisplayFormatCurrency(accounting.Due.ToDecimal(MoneyUnit.BTC),
-                                paymentMethodId.CryptoCode),
-                            Paid = _CurrencyNameTable.DisplayFormatCurrency(
-                                accounting.CryptoPaid.ToDecimal(MoneyUnit.BTC),
-                                paymentMethodId.CryptoCode),
-                            Overpaid = _CurrencyNameTable.DisplayFormatCurrency(
-                                overpaidAmount, paymentMethodId.CryptoCode),
+                            Due = _displayFormatter.Currency(accounting.Due.ToDecimal(MoneyUnit.BTC), paymentMethodId.CryptoCode),
+                            Paid = _displayFormatter.Currency(accounting.CryptoPaid.ToDecimal(MoneyUnit.BTC), paymentMethodId.CryptoCode),
+                            Overpaid = _displayFormatter.Currency(overpaidAmount, paymentMethodId.CryptoCode),
                             Address = data.GetPaymentMethodDetails().GetPaymentDestination(),
-                            Rate = ExchangeRate(data),
+                            Rate = ExchangeRate(data.GetId().CryptoCode, data),
                             PaymentMethodRaw = data
                         };
                     }).ToList()
@@ -794,10 +788,10 @@ namespace BTCPayServer.Controllers
                 CryptoImage = Request.GetRelativePathOrAbsolute(paymentMethodHandler.GetCryptoImage(paymentMethodId)),
                 BtcAddress = paymentMethodDetails.GetPaymentDestination(),
                 BtcDue = accounting.Due.ShowMoney(divisibility),
+                BtcPaid = accounting.Paid.ShowMoney(divisibility),
                 InvoiceCurrency = invoice.Currency,
                 OrderAmount = (accounting.TotalDue - accounting.NetworkFee).ShowMoney(divisibility),
                 IsUnsetTopUp = invoice.IsUnsetTopUp(),
-                OrderAmountFiat = OrderAmountFromInvoice(network.CryptoCode, invoice),
                 CustomerEmail = invoice.RefundMail,
                 RequiresRefundEmail = invoice.RequiresRefundEmail ?? storeBlob.RequiresRefundEmail,
                 ExpirationSeconds = Math.Max(0, (int)(invoice.ExpirationTime - DateTimeOffset.UtcNow).TotalSeconds),
@@ -805,7 +799,7 @@ namespace BTCPayServer.Controllers
                 MaxTimeSeconds = (int)(invoice.ExpirationTime - invoice.InvoiceTime).TotalSeconds,
                 MaxTimeMinutes = (int)(invoice.ExpirationTime - invoice.InvoiceTime).TotalMinutes,
                 ItemDesc = invoice.Metadata.ItemDesc,
-                Rate = ExchangeRate(paymentMethod),
+                Rate = ExchangeRate(network.CryptoCode, paymentMethod, DisplayFormatter.CurrencyFormat.Symbol),
                 MerchantRefLink = invoice.RedirectURL?.AbsoluteUri ?? receiptUrl ?? "/",
                 ReceiptLink = receiptUrl,
                 RedirectAutomatically = invoice.RedirectAutomatically,
@@ -818,7 +812,6 @@ namespace BTCPayServer.Controllers
                     NetworkFeeMode.Never => 0,
                     _ => throw new NotImplementedException()
                 },
-                BtcPaid = accounting.Paid.ShowMoney(divisibility),
 #pragma warning disable CS0618 // Type or member is obsolete
                 Status = invoice.StatusString,
 #pragma warning restore CS0618 // Type or member is obsolete
@@ -865,23 +858,33 @@ namespace BTCPayServer.Controllers
             model.UISettings = paymentMethodHandler.GetCheckoutUISettings();
             model.PaymentMethodId = paymentMethodId.ToString();
             model.PaymentType = paymentMethodId.PaymentType.ToString();
+            model.OrderAmountFiat = OrderAmountFromInvoice(model.CryptoCode, invoice, DisplayFormatter.CurrencyFormat.Symbol);
             var expiration = TimeSpan.FromSeconds(model.ExpirationSeconds);
             model.TimeLeft = expiration.PrettyPrint();
             return model;
         }
 
-        private string? OrderAmountFromInvoice(string cryptoCode, InvoiceEntity invoiceEntity)
+        private string? OrderAmountFromInvoice(string cryptoCode, InvoiceEntity invoiceEntity, DisplayFormatter.CurrencyFormat format = DisplayFormatter.CurrencyFormat.Code)
         {
+            var currency = invoiceEntity.Currency;
+            var crypto = cryptoCode.ToUpperInvariant(); // uppercase to make comparison easier, might be "sats"
+            
             // if invoice source currency is the same as currently display currency, no need for "order amount from invoice"
-            if (cryptoCode == invoiceEntity.Currency)
+            if (crypto == currency || (crypto == "SATS" && currency == "BTC") || (crypto == "BTC" && currency == "SATS"))
                 return null;
 
-            return _CurrencyNameTable.DisplayFormatCurrency(invoiceEntity.Price, invoiceEntity.Currency);
+            return _displayFormatter.Currency(invoiceEntity.Price, currency, format);
         }
-        private string ExchangeRate(PaymentMethod paymentMethod)
+        
+        private string? ExchangeRate(string cryptoCode, PaymentMethod paymentMethod, DisplayFormatter.CurrencyFormat format = DisplayFormatter.CurrencyFormat.Code)
         {
-            string currency = paymentMethod.ParentEntity.Currency;
-            return _CurrencyNameTable.DisplayFormatCurrency(paymentMethod.Rate, currency);
+            var currency = paymentMethod.ParentEntity.Currency;
+            var crypto = cryptoCode.ToUpperInvariant(); // uppercase to make comparison easier, might be "sats"
+            
+            if (crypto == currency || (crypto == "SATS" && currency == "BTC") || (crypto == "BTC" && currency == "SATS"))
+                return null;
+            
+            return _displayFormatter.Currency(paymentMethod.Rate, currency, format);
         }
 
         [HttpGet("i/{invoiceId}/status")]
@@ -1004,7 +1007,8 @@ namespace BTCPayServer.Controllers
                     InvoiceId = invoice.Id,
                     OrderId = invoice.Metadata.OrderId ?? string.Empty,
                     RedirectUrl = invoice.RedirectURL?.AbsoluteUri ?? string.Empty,
-                    AmountCurrency = _CurrencyNameTable.DisplayFormatCurrency(invoice.Price, invoice.Currency),
+                    Amount = invoice.Price,
+                    Currency = invoice.Currency,
                     CanMarkInvalid = state.CanMarkInvalid(),
                     CanMarkSettled = state.CanMarkComplete(),
                     Details = InvoicePopulatePayments(invoice),

BTCPayServer/Controllers/UIInvoiceController.cs

@@ -45,6 +45,7 @@ namespace BTCPayServer.Controllers
         readonly StoreRepository _StoreRepository;
         readonly UserManager<ApplicationUser> _UserManager;
         private readonly CurrencyNameTable _CurrencyNameTable;
+        private readonly DisplayFormatter _displayFormatter;
         readonly EventAggregator _EventAggregator;
         readonly BTCPayNetworkProvider _NetworkProvider;
         private readonly PaymentMethodHandlerDictionary _paymentMethodHandlerDictionary;
@@ -61,6 +62,7 @@ namespace BTCPayServer.Controllers
         public UIInvoiceController(
             InvoiceRepository invoiceRepository,
             WalletRepository walletRepository,
+            DisplayFormatter displayFormatter,
             CurrencyNameTable currencyNameTable,
             UserManager<ApplicationUser> userManager,
             RateFetcher rateProvider,
@@ -78,6 +80,7 @@ namespace BTCPayServer.Controllers
             InvoiceActivator invoiceActivator,
             LinkGenerator linkGenerator)
         {
+            _displayFormatter = displayFormatter;
             _CurrencyNameTable = currencyNameTable ?? throw new ArgumentNullException(nameof(currencyNameTable));
             _StoreRepository = storeRepository ?? throw new ArgumentNullException(nameof(storeRepository));
             _InvoiceRepository = invoiceRepository ?? throw new ArgumentNullException(nameof(invoiceRepository));

BTCPayServer/Controllers/UIPaymentRequestController.cs

@@ -14,6 +14,7 @@ using BTCPayServer.Forms.Models;
 using BTCPayServer.Models;
 using BTCPayServer.Models.PaymentRequestViewModels;
 using BTCPayServer.PaymentRequest;
+using BTCPayServer.Services;
 using BTCPayServer.Services.Invoices;
 using BTCPayServer.Services.PaymentRequests;
 using BTCPayServer.Services.Rates;
@@ -37,6 +38,7 @@ namespace BTCPayServer.Controllers
         private readonly PaymentRequestService _PaymentRequestService;
         private readonly EventAggregator _EventAggregator;
         private readonly CurrencyNameTable _Currencies;
+        private readonly DisplayFormatter _displayFormatter;
         private readonly InvoiceRepository _InvoiceRepository;
         private readonly StoreRepository _storeRepository;
 
@@ -50,6 +52,7 @@ namespace BTCPayServer.Controllers
             PaymentRequestService paymentRequestService,
             EventAggregator eventAggregator,
             CurrencyNameTable currencies,
+            DisplayFormatter displayFormatter,
             StoreRepository storeRepository,
             InvoiceRepository invoiceRepository,
             FormComponentProviders formProviders,
@@ -61,6 +64,7 @@ namespace BTCPayServer.Controllers
             _PaymentRequestService = paymentRequestService;
             _EventAggregator = eventAggregator;
             _Currencies = currencies;
+            _displayFormatter = displayFormatter;
             _storeRepository = storeRepository;
             _InvoiceRepository = invoiceRepository;
             FormProviders = formProviders;
@@ -89,7 +93,7 @@ namespace BTCPayServer.Controllers
                 var blob = data.GetBlob();
                 return new ViewPaymentRequestViewModel(data)
                 {
-                    AmountFormatted = _Currencies.DisplayFormatCurrency(blob.Amount, blob.Currency)
+                    AmountFormatted = _displayFormatter.Currency(blob.Amount, blob.Currency)
                 };
             }).ToList();
 

BTCPayServer/Controllers/UIPullPaymentController.cs

@@ -27,6 +27,7 @@ namespace BTCPayServer.Controllers
     {
         private readonly ApplicationDbContextFactory _dbContextFactory;
         private readonly CurrencyNameTable _currencyNameTable;
+        private readonly DisplayFormatter _displayFormatter;
         private readonly PullPaymentHostedService _pullPaymentHostedService;
         private readonly BTCPayNetworkJsonSerializerSettings _serializerSettings;
         private readonly IEnumerable<IPayoutHandler> _payoutHandlers;
@@ -34,6 +35,7 @@ namespace BTCPayServer.Controllers
 
         public UIPullPaymentController(ApplicationDbContextFactory dbContextFactory,
             CurrencyNameTable currencyNameTable,
+            DisplayFormatter displayFormatter,
             PullPaymentHostedService pullPaymentHostedService,
             BTCPayNetworkJsonSerializerSettings serializerSettings,
             IEnumerable<IPayoutHandler> payoutHandlers,
@@ -41,6 +43,7 @@ namespace BTCPayServer.Controllers
         {
             _dbContextFactory = dbContextFactory;
             _currencyNameTable = currencyNameTable;
+            _displayFormatter = displayFormatter;
             _pullPaymentHostedService = pullPaymentHostedService;
             _serializerSettings = serializerSettings;
             _payoutHandlers = payoutHandlers;
@@ -79,12 +82,9 @@ namespace BTCPayServer.Controllers
             {
                 BrandColor = storeBlob.BrandColor,
                 CssFileId = storeBlob.CssFileId,
-                AmountFormatted = _currencyNameTable.FormatCurrency(blob.Limit, blob.Currency),
                 AmountCollected = totalPaid,
-                AmountCollectedFormatted = _currencyNameTable.FormatCurrency(totalPaid, blob.Currency),
                 AmountDue = amountDue,
                 ClaimedAmount = amountDue,
-                AmountDueFormatted = _currencyNameTable.FormatCurrency(amountDue, blob.Currency),
                 CurrencyData = cd,
                 StartDate = pp.StartDate,
                 LastRefreshed = DateTime.UtcNow,
@@ -93,7 +93,6 @@ namespace BTCPayServer.Controllers
                           {
                               Id = entity.Entity.Id,
                               Amount = entity.Blob.Amount,
-                              AmountFormatted = _currencyNameTable.FormatCurrency(entity.Blob.Amount, blob.Currency),
                               Currency = blob.Currency,
                               Status = entity.Entity.State,
                               Destination = entity.Blob.Destination,
@@ -200,8 +199,8 @@ namespace BTCPayServer.Controllers
                 var amount = ppBlob.Currency == "SATS" ? new Money(vm.ClaimedAmount, MoneyUnit.Satoshi).ToUnit(MoneyUnit.BTC) : vm.ClaimedAmount;
                 if (destination.destination.Amount != null && amount != destination.destination.Amount)
                 {
-                    var implied = _currencyNameTable.DisplayFormatCurrency(destination.destination.Amount.Value, paymentMethodId.CryptoCode);
-                    var provided = _currencyNameTable.DisplayFormatCurrency(vm.ClaimedAmount, ppBlob.Currency);
+                    var implied = _displayFormatter.Currency(destination.destination.Amount.Value, paymentMethodId.CryptoCode, DisplayFormatter.CurrencyFormat.Symbol);
+                    var provided = _displayFormatter.Currency(vm.ClaimedAmount, ppBlob.Currency, DisplayFormatter.CurrencyFormat.Symbol);
                     ModelState.AddModelError(nameof(vm.ClaimedAmount),
                         $"Amount implied in destination ({implied}) does not match the payout amount provided ({provided}).");
                 }
@@ -235,7 +234,7 @@ namespace BTCPayServer.Controllers
 
             TempData.SetStatusMessageModel(new StatusMessageModel
             {
-                Message = $"Your claim request of {_currencyNameTable.DisplayFormatCurrency(vm.ClaimedAmount, ppBlob.Currency)} to {vm.Destination} has been submitted and is awaiting {(result.PayoutData.State == PayoutState.AwaitingApproval ? "approval" : "payment")}.",
+                Message = $"Your claim request of {_displayFormatter.Currency(vm.ClaimedAmount, ppBlob.Currency, DisplayFormatter.CurrencyFormat.Symbol)} to {vm.Destination} has been submitted and is awaiting {(result.PayoutData.State == PayoutState.AwaitingApproval ? "approval" : "payment")}.",
                 Severity = StatusMessageModel.StatusSeverity.Success
             });
 

BTCPayServer/Controllers/UIStorePullPaymentsController.PullPayments.cs

@@ -34,6 +34,7 @@ namespace BTCPayServer.Controllers
         private readonly BTCPayNetworkProvider _btcPayNetworkProvider;
         private readonly IEnumerable<IPayoutHandler> _payoutHandlers;
         private readonly CurrencyNameTable _currencyNameTable;
+        private readonly DisplayFormatter _displayFormatter;
         private readonly PullPaymentHostedService _pullPaymentService;
         private readonly ApplicationDbContextFactory _dbContextFactory;
         private readonly BTCPayNetworkJsonSerializerSettings _jsonSerializerSettings;
@@ -49,6 +50,7 @@ namespace BTCPayServer.Controllers
         public UIStorePullPaymentsController(BTCPayNetworkProvider btcPayNetworkProvider,
             IEnumerable<IPayoutHandler> payoutHandlers,
             CurrencyNameTable currencyNameTable,
+            DisplayFormatter displayFormatter,
             PullPaymentHostedService pullPaymentHostedService,
             ApplicationDbContextFactory dbContextFactory,
             BTCPayNetworkJsonSerializerSettings jsonSerializerSettings)
@@ -56,6 +58,7 @@ namespace BTCPayServer.Controllers
             _btcPayNetworkProvider = btcPayNetworkProvider;
             _payoutHandlers = payoutHandlers;
             _currencyNameTable = currencyNameTable;
+            _displayFormatter = displayFormatter;
             _pullPaymentService = pullPaymentHostedService;
             _dbContextFactory = dbContextFactory;
             _jsonSerializerSettings = jsonSerializerSettings;
@@ -532,7 +535,7 @@ namespace BTCPayServer.Controllers
                     PullPaymentName = ppBlob?.Name ?? item.PullPayment?.Id,
                     Date = item.Payout.Date,
                     PayoutId = item.Payout.Id,
-                    Amount = _currencyNameTable.DisplayFormatCurrency(payoutBlob.Amount, ppBlob?.Currency ?? PaymentMethodId.Parse(item.Payout.PaymentMethodId).CryptoCode),
+                    Amount = _displayFormatter.Currency(payoutBlob.Amount, ppBlob?.Currency ?? PaymentMethodId.Parse(item.Payout.PaymentMethodId).CryptoCode),
                     Destination = payoutBlob.Destination
                 };
                 var handler = _payoutHandlers