Remove Legacy Status from the code (#5982)

BTCPayServer.Client/Models/InvoiceExceptionStatus.cs

@@ -5,7 +5,6 @@ public enum InvoiceExceptionStatus
     PaidLate,
     PaidPartial,
     Marked,
-    Invalid,
     PaidOver
 }
 

BTCPayServer.Data/Data/InvoiceData.Migration.cs

@@ -349,7 +349,24 @@ namespace BTCPayServer.Data
             if (blob["defaultPaymentMethod"] is not (null or { Type : JTokenType.Null }))
                 blob["defaultPaymentMethod"] = MigrationExtensions.MigratePaymentMethodId(blob["defaultPaymentMethod"].Value<string>());
             blob.Remove("derivationStrategies");
-
+            Status = Status switch
+            {
+                "new" => "New",
+                "paid" => "Processing",
+                "complete" or "confirmed" => "Settled",
+                "expired" => "Expired",
+                null or "invalid" => "Invalid",
+                _ => throw new NotSupportedException($"Unknown Status for invoice ({Status})")
+            };
+            ExceptionStatus = ExceptionStatus switch
+            {
+                "marked" => "Marked",
+                "paidLate" => "PaidLate",
+                "paidPartial" => "PaidPartial",
+                "paidOver" => "PaidOver",
+                null or "" => "",
+                _ => throw new NotSupportedException($"Unknown ExceptionStatus for invoice ({ExceptionStatus})")
+            };
             blob["version"] = 3;
             Blob2 = blob.ToString(Formatting.None);
         }

BTCPayServer.Rating/Services/RateProviderFactory.cs

@@ -3,14 +3,9 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Net.Http;
-using System.Security.Cryptography;
 using System.Threading;
 using System.Threading.Tasks;
 using BTCPayServer.Rating;
-using BTCPayServer.Rating.Providers;
-using ExchangeSharp;
-using NBitcoin;
-using Newtonsoft.Json.Linq;
 
 namespace BTCPayServer.Services.Rates
 {

BTCPayServer.Tests/AltcoinTests/AltcoinTests.cs

@@ -336,7 +336,7 @@ namespace BTCPayServer.Tests
                     Assert.Equal("paid", invoice.Status);
                     checkout = (Models.InvoicingModels.PaymentModel)((JsonResult)controller.GetStatus(invoice.Id)
                         .GetAwaiter().GetResult()).Value;
-                    Assert.Equal("paid", checkout.Status);
+                    Assert.Equal("Processing", checkout.Status);
                 });
             }
         }

BTCPayServer.Tests/PayJoinTests.cs

@@ -285,7 +285,7 @@ namespace BTCPayServer.Tests
             await TestUtils.EventuallyAsync(async () =>
             {
                 var invoice = await invoiceRepository.GetInvoice(invoiceId);
-                Assert.Equal(InvoiceStatusLegacy.Paid, invoice.Status);
+                Assert.Equal(InvoiceStatus.Processing, invoice.Status);
                 Assert.Equal(0.023m, invoice.Price);
             });
         }
@@ -344,7 +344,7 @@ namespace BTCPayServer.Tests
                 await TestUtils.EventuallyAsync(async () =>
                 {
                     var invoice = await s.Server.PayTester.GetService<InvoiceRepository>().GetInvoice(invoiceId);
-                    Assert.Equal(InvoiceStatusLegacy.Paid, invoice.Status);
+                    Assert.Equal(InvoiceStatus.Processing, invoice.Status);
                 });
 
                 s.SelectStoreContext(receiver.storeId);
@@ -396,7 +396,7 @@ namespace BTCPayServer.Tests
                 await TestUtils.EventuallyAsync(async () =>
                 {
                     var invoice = await s.Server.PayTester.GetService<InvoiceRepository>().GetInvoice(invoiceId);
-                    Assert.Equal(InvoiceStatusLegacy.Paid, invoice.Status);
+                    Assert.Equal(InvoiceStatus.Processing, invoice.Status);
                 });
                 s.GoToInvoices(receiver.storeId);
                 paymentValueRowColumn = s.Driver.FindElement(By.Id($"invoice_details_{invoiceId}"))
@@ -790,7 +790,7 @@ retry:
                 await TestUtils.EventuallyAsync(async () =>
                 {
                     var invoice = await tester.PayTester.GetService<InvoiceRepository>().GetInvoice(lastInvoiceId);
-                    Assert.Equal(InvoiceStatusLegacy.Paid, invoice.Status);
+                    Assert.Equal(InvoiceStatus.Processing, invoice.Status);
                     Assert.Equal(InvoiceExceptionStatus.None, invoice.ExceptionStatus);
                     var coins = await btcPayWallet.GetUnspentCoins(receiverUser.DerivationScheme);
                     foreach (var coin in coins)
@@ -1131,7 +1131,7 @@ retry:
                 await TestUtils.EventuallyAsync(async () =>
                 {
                     var invoiceEntity = await tester.PayTester.GetService<InvoiceRepository>().GetInvoice(invoice7.Id);
-                    Assert.Equal(InvoiceStatusLegacy.Paid, invoiceEntity.Status);
+                    Assert.Equal(InvoiceStatus.Processing, invoiceEntity.Status);
                     Assert.Contains(invoiceEntity.GetPayments(false), p => p.Accounted &&
                                                                       handler.ParsePaymentDetails(p.Details).PayjoinInformation is null);
                 });
@@ -1160,7 +1160,7 @@ retry:
                 await TestUtils.EventuallyAsync(async () =>
                 {
                     var invoiceEntity = await tester.PayTester.GetService<InvoiceRepository>().GetInvoice(invoice7.Id);
-                    Assert.Equal(InvoiceStatusLegacy.New, invoiceEntity.Status);
+                    Assert.Equal(InvoiceStatus.New, invoiceEntity.Status);
                     Assert.True(invoiceEntity.GetPayments(false).All(p => !p.Accounted));
                     ourOutpoint = invoiceEntity.GetAllBitcoinPaymentData(handler, false).First().PayjoinInformation.ContributedOutPoints[0];
                 });

BTCPayServer.Tests/PaymentRequestTests.cs

@@ -208,12 +208,12 @@ namespace BTCPayServer.Tests
                 pair => pair.Key == "Id" && pair.Value.ToString() == invoiceId);
 
             var invoice = user.BitPay.GetInvoice(invoiceId, Facade.Merchant);
-            Assert.Equal(InvoiceState.ToString(InvoiceStatusLegacy.New), invoice.Status);
+            Assert.Equal("new", invoice.Status);
             Assert.IsType<OkObjectResult>(await
                 paymentRequestController.CancelUnpaidPendingInvoice(paymentRequestId, false));
 
             invoice = user.BitPay.GetInvoice(invoiceId, Facade.Merchant);
-            Assert.Equal(InvoiceState.ToString(InvoiceStatusLegacy.Invalid), invoice.Status);
+            Assert.Equal("invalid", invoice.Status);
 
             Assert.IsType<BadRequestObjectResult>(await
                 paymentRequestController.CancelUnpaidPendingInvoice(paymentRequestId, false));

BTCPayServer.Tests/SeleniumTests.cs

@@ -2988,7 +2988,7 @@ namespace BTCPayServer.Tests
             await TestUtils.EventuallyAsync(async () =>
             {
                 var inv = await s.Server.PayTester.InvoiceRepository.GetInvoice(i);
-                Assert.Equal(InvoiceStatusLegacy.Complete, inv.Status);
+                Assert.Equal(InvoiceStatus.Settled, inv.Status);
             });
             var greenfield = await s.AsTestAccount().CreateClient();
             var paymentMethods = await greenfield.GetInvoicePaymentMethods(s.StoreId, i);
@@ -3110,7 +3110,7 @@ namespace BTCPayServer.Tests
             await TestUtils.EventuallyAsync(async () =>
             {
                 var inv = await s.Server.PayTester.InvoiceRepository.GetInvoice(invForPP);
-                Assert.Equal(InvoiceStatusLegacy.Complete, inv.Status);
+                Assert.Equal(InvoiceStatus.Settled, inv.Status);
 
                 await using var ctx = s.Server.PayTester.GetService<ApplicationDbContextFactory>().CreateContext();
                 var payoutsData = await ctx.Payouts.Where(p => p.PullPaymentDataId == pullPaymentId).ToListAsync();

BTCPayServer.Tests/UnitTest1.cs

@@ -409,7 +409,7 @@ namespace BTCPayServer.Tests
             }, evt => evt.InvoiceId == invoice.Id);
 
             var fetchedInvoice = await tester.PayTester.InvoiceRepository.GetInvoice(evt.InvoiceId);
-            Assert.Contains(fetchedInvoice.Status, new[] { InvoiceStatusLegacy.Complete, InvoiceStatusLegacy.Confirmed });
+            Assert.Equal(fetchedInvoice.Status, InvoiceStatus.Settled);
             Assert.Equal(InvoiceExceptionStatus.None, fetchedInvoice.ExceptionStatus);
 
             //BTCPay will attempt to cancel previous bolt11 invoices so that there are less weird edge case scenarios
@@ -1018,7 +1018,7 @@ namespace BTCPayServer.Tests
             await TestUtils.EventuallyAsync(async () =>
             {
                 var i = await tester.PayTester.InvoiceRepository.GetInvoice(invoice2.Id);
-                Assert.Equal(InvoiceStatusLegacy.New, i.Status);
+                Assert.Equal(InvoiceStatus.New, i.Status);
                 Assert.Single(i.GetPayments(false));
                 Assert.False(i.GetPayments(false).First().Accounted);
             });

BTCPayServer/Components/InvoiceStatus/Default.cshtml

@@ -6,7 +6,7 @@
 
 @{
     var state = Model.State.ToString();
-    var badgeClass = Model.State.Status.ToModernStatus().ToString().ToLower();
+    var badgeClass = Model.State.Status.ToString().ToLower();
     var canMark = !string.IsNullOrEmpty(Model.InvoiceId) && (Model.State.CanMarkComplete() || Model.State.CanMarkInvalid());
 }
 <div class="d-inline-flex align-items-center gap-2">

BTCPayServer/Controllers/GreenField/GreenfieldInvoiceController.cs

@@ -670,7 +670,7 @@ namespace BTCPayServer.Controllers.Greenfield
                 Type = entity.Type,
                 Id = entity.Id,
                 CheckoutLink = request is null ? null : linkGenerator.CheckoutLink(entity.Id, request.Scheme, request.Host, request.PathBase),
-                Status = entity.Status.ToModernStatus(),
+                Status = entity.Status,
                 AdditionalStatus = entity.ExceptionStatus,
                 Currency = entity.Currency,
                 Archived = entity.Archived,

BTCPayServer/Controllers/GreenField/GreenfieldLightningNodeApiController.Store.cs

@@ -13,7 +13,6 @@ using BTCPayServer.Payments;
 using BTCPayServer.Payments.Lightning;
 using BTCPayServer.Services;
 using BTCPayServer.Services.Invoices;
-using ExchangeSharp;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Cors;
 using Microsoft.AspNetCore.Mvc;

BTCPayServer/Controllers/UIInvoiceController.UI.cs

@@ -150,8 +150,8 @@ namespace BTCPayServer.Controllers
                 HasRefund = invoice.Refunds.Any(),
                 CanRefund = invoiceState.CanRefund(),
                 Refunds = invoice.Refunds,
-                ShowCheckout = invoice.Status == InvoiceStatusLegacy.New,
+                ShowCheckout = invoice.Status == InvoiceStatus.New,
-                ShowReceipt = invoice.Status.ToModernStatus() == InvoiceStatus.Settled && (invoice.ReceiptOptions?.Enabled ?? receipt.Enabled is true),
+                ShowReceipt = invoice.Status == InvoiceStatus.Settled && (invoice.ReceiptOptions?.Enabled ?? receipt.Enabled is true),
                 Deliveries = (await _InvoiceRepository.GetWebhookDeliveries(invoiceId))
                                     .Select(c => new Models.StoreViewModels.DeliveryViewModel(c))
                                     .ToList()
@@ -215,7 +215,7 @@ namespace BTCPayServer.Controllers
                 InvoiceId = i.Id,
                 OrderId = i.Metadata?.OrderId,
                 OrderUrl = i.Metadata?.OrderUrl,
-                Status = i.Status.ToModernStatus(),
+                Status = i.Status,
                 Currency = i.Currency,
                 Timestamp = i.InvoiceTime,
                 StoreName = store.StoreName,
@@ -223,7 +223,7 @@ namespace BTCPayServer.Controllers
                 ReceiptOptions = receipt
             };
 
-            if (i.Status.ToModernStatus() != InvoiceStatus.Settled)
+            if (i.Status != InvoiceStatus.Settled)
             {
                 return View(vm);
             }
@@ -929,9 +929,7 @@ namespace BTCPayServer.Controllers
                     _ => null
                 },
                 ReceivedConfirmations = handler is BitcoinLikePaymentHandler  bh ? invoice.GetAllBitcoinPaymentData(bh, false).FirstOrDefault()?.ConfirmationCount : null,
-#pragma warning disable CS0618 // Type or member is obsolete
+                Status = invoice.Status.ToString(),
-                Status = invoice.StatusString,
-#pragma warning restore CS0618 // Type or member is obsolete
                 NetworkFee = prompt.PaymentMethodFee,
                 IsMultiCurrency = invoice.GetPayments(false).Select(p => p.PaymentMethodId).Concat(new[] { prompt.PaymentMethodId }).Distinct().Count() > 1,
                 StoreId = store.Id,
@@ -1038,7 +1036,7 @@ namespace BTCPayServer.Controllers
             if (!HttpContext.WebSockets.IsWebSocketRequest)
                 return NotFound();
             var invoice = await _InvoiceRepository.GetInvoice(invoiceId);
-            if (invoice == null || invoice.Status == InvoiceStatusLegacy.Complete || invoice.Status == InvoiceStatusLegacy.Invalid || invoice.Status == InvoiceStatusLegacy.Expired)
+            if (invoice == null || invoice.Status == InvoiceStatus.Settled || invoice.Status == InvoiceStatus.Invalid || invoice.Status == InvoiceStatus.Expired)
                 return NotFound();
             var webSocket = await HttpContext.WebSockets.AcceptWebSocketAsync();
             CompositeDisposable leases = new CompositeDisposable();
@@ -1138,7 +1136,7 @@ namespace BTCPayServer.Controllers
                 model.Invoices.Add(new InvoiceModel
                 {
                     Status = state,
-                    ShowCheckout = invoice.Status == InvoiceStatusLegacy.New,
+                    ShowCheckout = invoice.Status == InvoiceStatus.New,
                     Date = invoice.InvoiceTime,
                     InvoiceId = invoice.Id,
                     OrderId = invoice.Metadata.OrderId ?? string.Empty,
@@ -1322,12 +1320,12 @@ namespace BTCPayServer.Controllers
             if (newState == "invalid")
             {
                 await _InvoiceRepository.MarkInvoiceStatus(invoiceId, InvoiceStatus.Invalid);
-                model.StatusString = new InvoiceState(InvoiceStatusLegacy.Invalid, InvoiceExceptionStatus.Marked).ToString();
+                model.StatusString = new InvoiceState(InvoiceStatus.Invalid, InvoiceExceptionStatus.Marked).ToString();
             }
             else if (newState == "settled")
             {
                 await _InvoiceRepository.MarkInvoiceStatus(invoiceId, InvoiceStatus.Settled);
-                model.StatusString = new InvoiceState(InvoiceStatusLegacy.Complete, InvoiceExceptionStatus.Marked).ToString();
+                model.StatusString = new InvoiceState(InvoiceStatus.Settled, InvoiceExceptionStatus.Marked).ToString();
             }
 
             return Json(model);

BTCPayServer/Controllers/UIInvoiceController.cs

@@ -235,7 +235,7 @@ namespace BTCPayServer.Controllers
             }
 
             var getAppsTaggingStore = _InvoiceRepository.GetAppsTaggingStore(store.Id);
-            entity.Status = InvoiceStatusLegacy.New;
+            entity.Status = InvoiceStatus.New;
             entity.UpdateTotals();
 
 

BTCPayServer/Controllers/UILNURLController.cs

@@ -656,7 +656,7 @@ namespace BTCPayServer
             if (store is null)
                 return NotFound();
 
-            if (i.Status == InvoiceStatusLegacy.New)
+            if (i.Status == InvoiceStatus.New)
             {
                 var pmi = GetLNUrlPaymentMethodId(cryptoCode, store, out var lnurlSupportedPaymentMethod);
                 if (pmi is null)

BTCPayServer/Controllers/UIPaymentRequestController.cs

@@ -392,7 +392,7 @@ namespace BTCPayServer.Controllers
             }
 
             var invoices = result.Invoices.Where(requestInvoice =>
-                requestInvoice.State.Status == InvoiceStatusLegacy.New && !requestInvoice.Payments.Any());
+                requestInvoice.State.Status == InvoiceStatus.New && !requestInvoice.Payments.Any());
 
             if (!invoices.Any())
             {

BTCPayServer/Data/InvoiceDataExtensions.cs

@@ -60,7 +60,7 @@ namespace BTCPayServer.Data
         }
         public static InvoiceState GetInvoiceState(this InvoiceData invoiceData)
         {
-            return new InvoiceState(invoiceData.Status ?? "new", invoiceData.ExceptionStatus);
+            return new InvoiceState(invoiceData.Status, invoiceData.ExceptionStatus);
         }
     }
 }

BTCPayServer/HostedServices/BitpayIPNSender.cs

@@ -5,6 +5,7 @@ using System.Net.Http;
 using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
+using BTCPayServer.Client.Models;
 using BTCPayServer.Events;
 using BTCPayServer.Payments;
 using BTCPayServer.Services;
@@ -101,11 +102,11 @@ namespace BTCPayServer.HostedServices
             // So here, we just override the status expressed by the notification
             if (invoiceEvent.Name == InvoiceEvent.Confirmed)
             {
-                notification.Data.Status = InvoiceState.ToString(InvoiceStatusLegacy.Confirmed);
+                notification.Data.Status = "confirmed";
             }
             if (invoiceEvent.Name == InvoiceEvent.PaidInFull)
             {
-                notification.Data.Status = InvoiceState.ToString(InvoiceStatusLegacy.Paid);
+                notification.Data.Status = "paid";
             }
             //////////////////
 

BTCPayServer/HostedServices/InvoiceWatcher.cs

@@ -81,10 +81,10 @@ namespace BTCPayServer.HostedServices
         private void UpdateInvoice(UpdateInvoiceContext context)
         {
             var invoice = context.Invoice;
-            if (invoice.Status == InvoiceStatusLegacy.New && invoice.ExpirationTime <= DateTimeOffset.UtcNow)
+            if (invoice.Status == InvoiceStatus.New && invoice.ExpirationTime <= DateTimeOffset.UtcNow)
             {
                 context.MarkDirty();
-                invoice.Status = InvoiceStatusLegacy.Expired;
+                invoice.Status = InvoiceStatus.Expired;
                 var paidPartial = invoice.ExceptionStatus == InvoiceExceptionStatus.PaidPartial;
                 context.Events.Add(new InvoiceEvent(invoice, InvoiceEvent.Expired) { PaidPartial = paidPartial });
                 if (invoice.ExceptionStatus == InvoiceExceptionStatus.PaidPartial)
@@ -92,17 +92,17 @@ namespace BTCPayServer.HostedServices
             }
 
             var hasPayment = invoice.GetPayments(true).Any();
-            if (invoice.Status == InvoiceStatusLegacy.New || invoice.Status == InvoiceStatusLegacy.Expired)
+            if (invoice.Status == InvoiceStatus.New || invoice.Status == InvoiceStatus.Expired)
             {
                 var isPaid = invoice.IsUnsetTopUp() ?
                     hasPayment :
                     !invoice.IsUnderPaid;
                 if (isPaid)
                 {
-                    if (invoice.Status == InvoiceStatusLegacy.New)
+                    if (invoice.Status == InvoiceStatus.New)
                     {
                         context.Events.Add(new InvoiceEvent(invoice, InvoiceEvent.PaidInFull));
-                        invoice.Status = InvoiceStatusLegacy.Paid;
+                        invoice.Status = InvoiceStatus.Processing;
                         if (invoice.IsUnsetTopUp())
                         {
                             invoice.ExceptionStatus = InvoiceExceptionStatus.None;
@@ -118,7 +118,7 @@ namespace BTCPayServer.HostedServices
                         }
                         context.MarkDirty();
                     }
-                    else if (invoice.Status == InvoiceStatusLegacy.Expired && invoice.ExceptionStatus != InvoiceExceptionStatus.PaidLate)
+                    else if (invoice.Status == InvoiceStatus.Expired && invoice.ExceptionStatus != InvoiceExceptionStatus.PaidLate)
                     {
                         invoice.ExceptionStatus = InvoiceExceptionStatus.PaidLate;
                         context.Events.Add(new InvoiceEvent(invoice, InvoiceEvent.PaidAfterExpiration));
@@ -134,7 +134,7 @@ namespace BTCPayServer.HostedServices
             }
 
             // Just make sure RBF did not cancelled a payment
-            if (invoice.Status == InvoiceStatusLegacy.Paid)
+            if (invoice.Status == InvoiceStatus.Processing)
             {
                 if (!invoice.IsUnderPaid && !invoice.IsOverPaid && invoice.ExceptionStatus == InvoiceExceptionStatus.PaidOver)
                 {
@@ -150,13 +150,13 @@ namespace BTCPayServer.HostedServices
 
                 if (invoice.IsUnderPaid)
                 {
-                    invoice.Status = InvoiceStatusLegacy.New;
+                    invoice.Status = InvoiceStatus.New;
                     invoice.ExceptionStatus = hasPayment ? InvoiceExceptionStatus.PaidPartial : InvoiceExceptionStatus.None;
                     context.MarkDirty();
                 }
             }
 
-            if (invoice.Status == InvoiceStatusLegacy.Paid)
+            if (invoice.Status == InvoiceStatus.Processing)
             {
                 var unconfPayments = invoice.GetPayments(false).Where(p => p.Status is PaymentStatus.Processing).ToList();
                 var unconfirmedPaid = unconfPayments.Select(p => p.InvoicePaidAmount.Net).Sum();
@@ -168,12 +168,12 @@ namespace BTCPayServer.HostedServices
                    (minimumDue > 0.0m))
                 {
                     context.Events.Add(new InvoiceEvent(invoice, InvoiceEvent.FailedToConfirm));
-                    invoice.Status = InvoiceStatusLegacy.Invalid;
+                    invoice.Status = InvoiceStatus.Invalid;
                     context.MarkDirty();
                 }
                 else if (minimumDue <= 0.0m)
                 {
-                    invoice.Status = InvoiceStatusLegacy.Complete;
+                    invoice.Status = InvoiceStatus.Settled;
                     context.Events.Add(new InvoiceEvent(invoice, InvoiceEvent.Confirmed));
                     context.Events.Add(new InvoiceEvent(invoice, InvoiceEvent.Completed));
                     context.MarkDirty();
@@ -292,8 +292,8 @@ namespace BTCPayServer.HostedServices
                             _eventAggregator.Publish(evt, evt.GetType());
                         }
 
-                        if (invoice.Status == InvoiceStatusLegacy.Complete ||
+                        if (invoice.Status == InvoiceStatus.Settled ||
-                           ((invoice.Status == InvoiceStatusLegacy.Invalid || invoice.Status == InvoiceStatusLegacy.Expired) && invoice.MonitoringExpiration < DateTimeOffset.UtcNow))
+                           ((invoice.Status == InvoiceStatus.Invalid || invoice.Status == InvoiceStatus.Expired) && invoice.MonitoringExpiration < DateTimeOffset.UtcNow))
                         {
                             var extendInvoiceMonitoring = await UpdateConfirmationCount(invoice);
 

BTCPayServer/HostedServices/Webhooks/InvoiceWebhookProvider.cs

@@ -97,8 +97,8 @@ public class InvoiceWebhookProvider : WebhookProvider<InvoiceEvent>
                 return new WebhookInvoiceReceivedPaymentEvent(WebhookEventType.InvoiceReceivedPayment, storeId)
                 {
                     AfterExpiration =
-                        invoiceEvent.Invoice.Status.ToModernStatus() == InvoiceStatus.Expired ||
+                        invoiceEvent.Invoice.Status == InvoiceStatus.Expired ||
-                        invoiceEvent.Invoice.Status.ToModernStatus() == InvoiceStatus.Invalid,
+                        invoiceEvent.Invoice.Status == InvoiceStatus.Invalid,
                     PaymentMethodId = invoiceEvent.Payment.PaymentMethodId.ToString(),
                     Payment = GreenfieldInvoiceController.ToPaymentModel(invoiceEvent.Invoice, invoiceEvent.Payment),
                     StoreId = invoiceEvent.Invoice.StoreId
@@ -107,8 +107,8 @@ public class InvoiceWebhookProvider : WebhookProvider<InvoiceEvent>
                 return new WebhookInvoiceReceivedPaymentEvent(WebhookEventType.InvoicePaymentSettled, storeId)
                 {
                     AfterExpiration =
-                        invoiceEvent.Invoice.Status.ToModernStatus() == InvoiceStatus.Expired ||
+                        invoiceEvent.Invoice.Status == InvoiceStatus.Expired ||
-                        invoiceEvent.Invoice.Status.ToModernStatus() == InvoiceStatus.Invalid,
+                        invoiceEvent.Invoice.Status == InvoiceStatus.Invalid,
                     PaymentMethodId = invoiceEvent.Payment.PaymentMethodId.ToString(),
                     Payment = GreenfieldInvoiceController.ToPaymentModel(invoiceEvent.Invoice, invoiceEvent.Payment),
                     StoreId = invoiceEvent.Invoice.StoreId

BTCPayServer/Hosting/BTCPayServerServices.cs

@@ -48,7 +48,6 @@ using BTCPayServer.Services.PaymentRequests;
 using BTCPayServer.Services.Rates;
 using BTCPayServer.Services.Stores;
 using BTCPayServer.Services.Wallets;
-using ExchangeSharp;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Http;
@@ -71,6 +70,8 @@ using BTCPayServer.Services.WalletFileParsing;
 using BTCPayServer.Payments.LNURLPay;
 using System.Collections.Generic;
 using BTCPayServer.Payouts;
+using ExchangeSharp;
+
 
 
 
@@ -658,7 +659,7 @@ o.GetRequiredService<IEnumerable<IPaymentLinkExtension>>().ToDictionary(o => o.P
         {
             services.AddSingleton<TransactionLinkProviders.Entry>(new TransactionLinkProviders.Entry(cryptoCode, provider));
         }
-        public static void AddRateProviderExchangeSharp<T>(this IServiceCollection services, RateSourceInfo rateInfo) where T : ExchangeAPI
+        public static void AddRateProviderExchangeSharp<T>(this IServiceCollection services, RateSourceInfo rateInfo) where T : ExchangeSharp.ExchangeAPI
         {
             services.AddSingleton<IRateProvider, ExchangeSharpRateProvider<T>>(o =>
             {

BTCPayServer/Models/PaymentRequestViewModels/ListPaymentRequestsViewModel.cs

@@ -149,8 +149,8 @@ namespace BTCPayServer.Models.PaymentRequestViewModels
         {
             static HashSet<InvoiceState> stateAllowedToDisplay = new HashSet<InvoiceState>
                 {
-                    new InvoiceState(InvoiceStatusLegacy.New, InvoiceExceptionStatus.None),
+                    new InvoiceState(InvoiceStatus.New, InvoiceExceptionStatus.None),
-                    new InvoiceState(InvoiceStatusLegacy.New, InvoiceExceptionStatus.PaidPartial),
+                    new InvoiceState(InvoiceStatus.New, InvoiceExceptionStatus.PaidPartial),
                 };
             public InvoiceList()
             {
@@ -187,7 +187,6 @@ namespace BTCPayServer.Models.PaymentRequestViewModels
             public decimal Amount { get; set; }
             public string AmountFormatted { get; set; }
             public InvoiceState State { get; set; }
-            public InvoiceStatusLegacy Status { get; set; }
             public string StateFormatted { get; set; }
 
             public List<PaymentRequestInvoicePayment> Payments { get; set; }

BTCPayServer/PaymentRequest/PaymentRequestService.cs

@@ -101,7 +101,7 @@ namespace BTCPayServer.PaymentRequest
             var paymentStats = _invoiceRepository.GetContributionsByPaymentMethodId(blob.Currency, invoices, true);
             var amountDue = blob.Amount - paymentStats.TotalCurrency;
             var pendingInvoice = invoices.OrderByDescending(entity => entity.InvoiceTime)
-                .FirstOrDefault(entity => entity.Status == InvoiceStatusLegacy.New);
+                .FirstOrDefault(entity => entity.Status == InvoiceStatus.New);
             
             return new ViewPaymentRequestViewModel(pr)
             {
@@ -123,8 +123,8 @@ namespace BTCPayServer.PaymentRequest
                     var state = entity.GetInvoiceState();
                     var payments = ViewPaymentRequestViewModel.PaymentRequestInvoicePayment.GetViewModels(entity, _displayFormatter, _transactionLinkProviders, _handlers);
 
-                    if (state.Status == InvoiceStatusLegacy.Invalid ||
+                    if (state.Status == InvoiceStatus.Invalid ||
-                        state.Status == InvoiceStatusLegacy.Expired && !payments.Any())
+                        state.Status == InvoiceStatus.Expired && !payments.Any())
                         return null;
 
                     return new ViewPaymentRequestViewModel.PaymentRequestInvoice

BTCPayServer/Payments/Lightning/LightningListener.cs

@@ -202,7 +202,7 @@ retry:
                     _CheckInvoices.Writer.TryWrite(inv.Invoice.Id);
                 }
 
-                if (inv.Name == InvoiceEvent.ReceivedPayment && inv.Invoice.Status == InvoiceStatusLegacy.New && inv.Invoice.ExceptionStatus == InvoiceExceptionStatus.PaidPartial)
+                if (inv.Name == InvoiceEvent.ReceivedPayment && inv.Invoice.Status == InvoiceStatus.New && inv.Invoice.ExceptionStatus == InvoiceExceptionStatus.PaidPartial)
                 {
                     var pm = inv.Invoice.GetPaymentPrompts().First();
                     if (pm.Calculate().Due > 0m)
@@ -213,7 +213,7 @@ retry:
             }));
             leases.Add(_Aggregator.SubscribeAsync<Events.InvoiceDataChangedEvent>(async inv =>
             {
-                if (inv.State.Status == InvoiceStatusLegacy.New &&
+                if (inv.State.Status == InvoiceStatus.New &&
                     inv.State.ExceptionStatus == InvoiceExceptionStatus.PaidPartial)
                 {
                     var invoice = await _InvoiceRepository.GetInvoice(inv.InvoiceId);

BTCPayServer/Plugins/Crowdfund/CrowdfundPlugin.cs

@@ -6,6 +6,7 @@ using System.Threading.Tasks;
 using BTCPayServer.Abstractions.Contracts;
 using BTCPayServer.Abstractions.Models;
 using BTCPayServer.Abstractions.Services;
+using BTCPayServer.Client.Models;
 using BTCPayServer.Configuration;
 using BTCPayServer.Data;
 using BTCPayServer.Models;
@@ -113,10 +114,10 @@ namespace BTCPayServer.Plugins.Crowdfund
         public override async Task<object?> GetInfo(AppData appData)
         {
             var settings = appData.GetSettings<CrowdfundSettings>();
-            var resetEvery = settings.StartDate.HasValue ? settings.ResetEvery : CrowdfundResetEvery.Never;
+            var resetEvery = settings.StartDate.HasValue ? settings.ResetEvery : Services.Apps.CrowdfundResetEvery.Never;
             DateTime? lastResetDate = null;
             DateTime? nextResetDate = null;
-            if (resetEvery != CrowdfundResetEvery.Never && settings.StartDate is not null)
+            if (resetEvery != Services.Apps.CrowdfundResetEvery.Never && settings.StartDate is not null)
             {
                 lastResetDate = settings.StartDate.Value;
 
@@ -126,16 +127,16 @@ namespace BTCPayServer.Plugins.Crowdfund
                     lastResetDate = nextResetDate;
                     switch (resetEvery)
                     {
-                        case CrowdfundResetEvery.Hour:
+                        case Services.Apps.CrowdfundResetEvery.Hour:
                             nextResetDate = lastResetDate.Value.AddHours(settings.ResetEveryAmount);
                             break;
-                        case CrowdfundResetEvery.Day:
+                        case Services.Apps.CrowdfundResetEvery.Day:
                             nextResetDate = lastResetDate.Value.AddDays(settings.ResetEveryAmount);
                             break;
-                        case CrowdfundResetEvery.Month:
+                        case Services.Apps.CrowdfundResetEvery.Month:
                             nextResetDate = lastResetDate.Value.AddMonths(settings.ResetEveryAmount);
                             break;
-                        case CrowdfundResetEvery.Year:
+                        case Services.Apps.CrowdfundResetEvery.Year:
                             nextResetDate = lastResetDate.Value.AddYears(settings.ResetEveryAmount);
                             break;
                     }
@@ -206,11 +207,11 @@ namespace BTCPayServer.Plugins.Crowdfund
                 DisqusShortname = settings.DisqusShortname,
                 AnimationsEnabled = settings.AnimationsEnabled,
                 ResetEveryAmount = settings.ResetEveryAmount,
-                ResetEvery = Enum.GetName(typeof(CrowdfundResetEvery), settings.ResetEvery),
+                ResetEvery = Enum.GetName(typeof(Services.Apps.CrowdfundResetEvery), settings.ResetEvery),
                 DisplayPerksRanking = settings.DisplayPerksRanking,
                 PerkCount = perkCount,
                 PerkValue = perkValue,
-                NeverReset = settings.ResetEvery == CrowdfundResetEvery.Never,
+                NeverReset = settings.ResetEvery == Services.Apps.CrowdfundResetEvery.Never,
                 FormUrl = formUrl,
                 Sounds = settings.Sounds,
                 AnimationColors = settings.AnimationColors,
@@ -264,17 +265,17 @@ namespace BTCPayServer.Plugins.Crowdfund
 
         private static bool IsPaid(InvoiceEntity entity)
         {
-            return entity.Status == InvoiceStatusLegacy.Complete || entity.Status == InvoiceStatusLegacy.Confirmed || entity.Status == InvoiceStatusLegacy.Paid;
+            return entity.Status == InvoiceStatus.Settled || entity.Status == InvoiceStatus.Processing;
         }
 
         private static bool IsPending(InvoiceEntity entity)
         {
-            return !(entity.Status == InvoiceStatusLegacy.Complete || entity.Status == InvoiceStatusLegacy.Confirmed);
+            return entity.Status != InvoiceStatus.Settled;
         }
 
         private static bool IsComplete(InvoiceEntity entity)
         {
-            return entity.Status == InvoiceStatusLegacy.Complete || entity.Status == InvoiceStatusLegacy.Confirmed;
+            return entity.Status == InvoiceStatus.Settled;
         }
     }
 }

BTCPayServer/Plugins/NFC/NFCController.cs

@@ -48,7 +48,7 @@ namespace BTCPayServer.Plugins.NFC
         public async Task<IActionResult> SubmitLNURLWithdrawForInvoice([FromBody] SubmitRequest request)
         {
             var invoice = await _invoiceRepository.GetInvoice(request.InvoiceId);
-            if (invoice?.Status is not InvoiceStatusLegacy.New)
+            if (invoice?.Status is not InvoiceStatus.New)
             {
                 return NotFound();
             }

BTCPayServer/Plugins/PluginBuilderClient.cs

@@ -3,7 +3,6 @@ using System.Collections.Generic;
 using System.Net.Http;
 using System.Text.RegularExpressions;
 using System.Threading.Tasks;
-using ExchangeSharp;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Linq;
 using static System.Net.WebRequestMethods;

BTCPayServer/Plugins/PointOfSale/Controllers/UIPointOfSaleController.cs

@@ -539,15 +539,7 @@ namespace BTCPayServer.Plugins.PointOfSale.Controllers
                 return NotFound();
 
             var from = DateTimeOffset.UtcNow - TimeSpan.FromDays(3);
-            var invoices = await AppService.GetInvoicesForApp(_invoiceRepository, app, from, new[]
+            var invoices = await AppService.GetInvoicesForApp(_invoiceRepository, app, from);
-                {
-                    InvoiceState.ToString(InvoiceStatusLegacy.New),
-                    InvoiceState.ToString(InvoiceStatusLegacy.Paid),
-                    InvoiceState.ToString(InvoiceStatusLegacy.Confirmed),
-                    InvoiceState.ToString(InvoiceStatusLegacy.Complete),
-                    InvoiceState.ToString(InvoiceStatusLegacy.Expired),
-                    InvoiceState.ToString(InvoiceStatusLegacy.Invalid)
-                });
             var recent = invoices
                 .Take(10)
                 .Select(i => new JObject
@@ -555,7 +547,7 @@ namespace BTCPayServer.Plugins.PointOfSale.Controllers
                     ["id"] = i.Id,
                     ["date"] = i.InvoiceTime,
                     ["price"] = _displayFormatter.Currency(i.Price, i.Currency, DisplayFormatter.CurrencyFormat.Symbol),
-                    ["status"] = i.GetInvoiceState().Status.ToModernStatus().ToString(),
+                    ["status"] = i.GetInvoiceState().Status.ToString(),
                     ["url"] = Url.Action(nameof(UIInvoiceController.Invoice), "UIInvoice", new { invoiceId = i.Id })
                 });
             return Json(recent);

BTCPayServer/Plugins/Shopify/ShopifyOrderMarkerHostedService.cs

@@ -50,15 +50,14 @@ namespace BTCPayServer.Plugins.Shopify
                 var shopifyOrderId = invoice.GetInternalTags(SHOPIFY_ORDER_ID_PREFIX).FirstOrDefault();
                 if (shopifyOrderId != null)
                 {
-                    if (new[] { InvoiceStatusLegacy.Invalid, InvoiceStatusLegacy.Expired }.Contains(invoice.GetInvoiceState()
+                    if (new[] { InvoiceStatus.Invalid, InvoiceStatus.Expired }.Contains(invoice.GetInvoiceState()
                         .Status) && invoice.ExceptionStatus != InvoiceExceptionStatus.None)
                     {
                         //you have failed us, customer
 
                         await RegisterTransaction(invoice, shopifyOrderId, false);
                     }
-                    else if (new[] { InvoiceStatusLegacy.Complete, InvoiceStatusLegacy.Confirmed }.Contains(
+                    else if (invoice.Status == InvoiceStatus.Settled)
-                        invoice.Status))
                     {
                         await RegisterTransaction(invoice, shopifyOrderId, true);
                     }

BTCPayServer/Plugins/Shopify/UIShopifyController.cs

@@ -119,7 +119,7 @@ namespace BTCPayServer.Plugins.Shopify
 
             var firstInvoiceStillPending =
                 matchedExistingInvoices.FirstOrDefault(entity =>
-                    entity.GetInvoiceState().Status == InvoiceStatusLegacy.New);
+                    entity.GetInvoiceState().Status == InvoiceStatus.New);
             if (firstInvoiceStillPending != null)
             {
                 return Ok(new
@@ -131,7 +131,7 @@ namespace BTCPayServer.Plugins.Shopify
 
             var firstInvoiceSettled =
                 matchedExistingInvoices.LastOrDefault(entity =>
-                    new[] { InvoiceStatusLegacy.Paid, InvoiceStatusLegacy.Complete, InvoiceStatusLegacy.Confirmed }
+                    new[] { InvoiceStatus.Processing, InvoiceStatus.Settled }
                         .Contains(
                             entity.GetInvoiceState().Status));
 
@@ -153,7 +153,7 @@ namespace BTCPayServer.Plugins.Shopify
             {
                 //if BTCPay was shut down before the tx managed to get registered on shopify, this will fix it on the next UI load in shopify
                 if (client != null && order?.FinancialStatus == "pending" &&
-                    firstInvoiceSettled.Status != InvoiceStatusLegacy.Paid)
+                    firstInvoiceSettled.Status != InvoiceStatus.Processing)
                 {
                     await new OrderTransactionRegisterLogic(client).Process(orderId, firstInvoiceSettled.Id,
                         firstInvoiceSettled.Currency,

BTCPayServer/Services/Apps/AppService.cs

@@ -7,6 +7,7 @@ using System.IO;
 using System.Linq;
 using System.Threading.Tasks;
 using BTCPayServer.Client;
+using BTCPayServer.Client.Models;
 using BTCPayServer.Data;
 using BTCPayServer.Models.AppViewModels;
 using BTCPayServer.Plugins.Crowdfund;
@@ -93,9 +94,8 @@ namespace BTCPayServer.Services.Apps
             var paidInvoices = await GetInvoicesForApp(_InvoiceRepository, appData,
                 null, new[]
                 {
-                    InvoiceState.ToString(InvoiceStatusLegacy.Paid),
+                    InvoiceStatus.Processing.ToString(),
-                    InvoiceState.ToString(InvoiceStatusLegacy.Confirmed),
+                    InvoiceStatus.Settled.ToString()
-                    InvoiceState.ToString(InvoiceStatusLegacy.Complete)
                 });
             return await salesType.GetItemStats(appData, paidInvoices);
         }
@@ -141,9 +141,8 @@ namespace BTCPayServer.Services.Apps
             var paidInvoices = await GetInvoicesForApp(_InvoiceRepository, app, DateTimeOffset.UtcNow - TimeSpan.FromDays(numberOfDays),
                 new[]
                 {
-                    InvoiceState.ToString(InvoiceStatusLegacy.Paid),
+                    InvoiceStatus.Processing.ToString(),
-                    InvoiceState.ToString(InvoiceStatusLegacy.Confirmed),
+                    InvoiceStatus.Settled.ToString()
-                    InvoiceState.ToString(InvoiceStatusLegacy.Complete)
                 });
 
             return await salesType.GetSalesStats(app, paidInvoices, numberOfDays);
@@ -185,7 +184,7 @@ namespace BTCPayServer.Services.Apps
                 {
                     res.Add(new InvoiceStatsItem
                     {
-                        ItemCode = e.Metadata.ItemCode ?? typeof(PosViewType).DisplayName(PosViewType.Light.ToString()),
+                        ItemCode = e.Metadata.ItemCode ?? typeof(Plugins.PointOfSale.PosViewType).DisplayName(Plugins.PointOfSale.PosViewType.Light.ToString()),
                         FiatPrice = e.PaidAmount.Net,
                         Date = e.InvoiceTime.Date
                     });
@@ -220,11 +219,7 @@ namespace BTCPayServer.Services.Apps
             {
                 StoreId = new[] { appData.StoreDataId },
                 TextSearch = appData.TagAllInvoices ? null : GetAppSearchTerm(appData),
-                Status = status ?? new[]{
+                Status = status,
-                    InvoiceState.ToString(InvoiceStatusLegacy.New),
-                    InvoiceState.ToString(InvoiceStatusLegacy.Paid),
-                    InvoiceState.ToString(InvoiceStatusLegacy.Confirmed),
-                    InvoiceState.ToString(InvoiceStatusLegacy.Complete)},
                 StartDate = startDate
             });
 
@@ -297,8 +292,8 @@ namespace BTCPayServer.Services.Apps
             {
                 case PointOfSaleAppType.AppType:
                     var settings = app.GetSettings<PointOfSaleSettings>();
-                    string posViewStyle = (settings.EnableShoppingCart ? PosViewType.Cart : settings.DefaultView).ToString();
+                    string posViewStyle = (settings.EnableShoppingCart ? Plugins.PointOfSale.PosViewType.Cart : settings.DefaultView).ToString();
-                    style = typeof(PosViewType).DisplayName(posViewStyle);
+                    style = typeof(Plugins.PointOfSale.PosViewType).DisplayName(posViewStyle);
                     break;
 
                 default:

BTCPayServer/Services/Fees/MempoolSpaceFeeProvider.cs

@@ -7,8 +7,6 @@ using System.Runtime.InteropServices;
 using System.Text.RegularExpressions;
 using System.Threading;
 using System.Threading.Tasks;
-using AngleSharp.Dom;
-using ExchangeSharp;
 using Microsoft.Extensions.Caching.Memory;
 using NBitcoin;
 using Org.BouncyCastle.Asn1.X509;

BTCPayServer/Services/InvoiceActivator.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Linq;
 using System.Threading.Tasks;
+using BTCPayServer.Client.Models;
 using BTCPayServer.Data;
 using BTCPayServer.Events;
 using BTCPayServer.Logging;
@@ -40,7 +41,7 @@ namespace BTCPayServer.Services
         public async Task<bool> ActivateInvoicePaymentMethod(string invoiceId, PaymentMethodId paymentMethodId, bool forceNew = false)
         {
             var invoice = await _invoiceRepository.GetInvoice(invoiceId);
-            if (invoice?.GetInvoiceState().Status is not InvoiceStatusLegacy.New)
+            if (invoice?.GetInvoiceState().Status is not InvoiceStatus.New)
                 return false;
             var store = await _storeRepository.FindStore(invoice.StoreId);
             if (store is null)

BTCPayServer/Services/Invoices/InvoiceEntity.cs

@@ -437,13 +437,9 @@ namespace BTCPayServer.Services.Invoices
         public decimal PaidFee { get; set; }
 
         [JsonIgnore]
-        public InvoiceStatusLegacy Status { get; set; }
+        public InvoiceStatus Status { get; set; }
-        [JsonIgnore]
-        public string StatusString => InvoiceState.ToString(Status);
         [JsonIgnore]
         public InvoiceExceptionStatus ExceptionStatus { get; set; }
-        [JsonIgnore]
-        public string ExceptionStatusString => InvoiceState.ToString(ExceptionStatus);
 
         [Obsolete("Use GetPayments instead")]
         [JsonIgnore]
@@ -541,10 +537,8 @@ namespace BTCPayServer.Services.Invoices
                 CurrentTime = DateTimeOffset.UtcNow,
                 InvoiceTime = InvoiceTime,
                 ExpirationTime = ExpirationTime,
-#pragma warning disable CS0618 // Type or member is obsolete
+                Status = Status.ToLegacyStatusString(),
-                Status = StatusString,
+                ExceptionStatus = ExceptionStatus == InvoiceExceptionStatus.None ? new JValue(false) : new JValue(ExceptionStatus.ToLegacyExceptionStatusString()),
-                ExceptionStatus = ExceptionStatus == InvoiceExceptionStatus.None ? new JValue(false) : new JValue(ExceptionStatusString),
-#pragma warning restore CS0618 // Type or member is obsolete
                 Currency = Currency,
                 PaymentSubtotals = new Dictionary<string, decimal>(),
                 PaymentTotals = new Dictionary<string, decimal>(),
@@ -739,160 +733,76 @@ namespace BTCPayServer.Services.Invoices
 
     public enum InvoiceStatusLegacy
     {
-        New,
-        Paid,
-        Expired,
-        Invalid,
-        Complete,
-        Confirmed
     }
     public static class InvoiceStatusLegacyExtensions
     {
-        public static InvoiceStatus ToModernStatus(this InvoiceStatusLegacy legacy)
+        public static string ToLegacyStatusString(this InvoiceStatus status) =>
-        {
+            status switch
-            switch (legacy)
             {
-                case InvoiceStatusLegacy.Complete:
+                InvoiceStatus.Settled => "complete",
-                case InvoiceStatusLegacy.Confirmed:
+                InvoiceStatus.Expired => "expired",
-                    return InvoiceStatus.Settled;
+                InvoiceStatus.Invalid => "invalid",
-                case InvoiceStatusLegacy.Expired:
+                InvoiceStatus.Processing => "paid",
-                    return InvoiceStatus.Expired;
+                InvoiceStatus.New => "new",
-                case InvoiceStatusLegacy.Invalid:
+                _ => throw new NotSupportedException(status.ToString())
-                    return InvoiceStatus.Invalid;
+            };
-                case InvoiceStatusLegacy.Paid:
+        public static string ToLegacyExceptionStatusString(this InvoiceExceptionStatus status) =>
-                    return InvoiceStatus.Processing;
+            status switch
-                case InvoiceStatusLegacy.New:
+            {
-                    return InvoiceStatus.New;
+                InvoiceExceptionStatus.None => string.Empty,
-                default:
+                InvoiceExceptionStatus.PaidLate => "paidLater",
-                    throw new NotSupportedException();
+                InvoiceExceptionStatus.PaidPartial => "paidPartial",
-            }
+                InvoiceExceptionStatus.PaidOver => "paidOver",
-        }
+                InvoiceExceptionStatus.Marked => "marked",
+                _ => throw new NotSupportedException(status.ToString())
+            };
     }
-    public class InvoiceState
+    public record InvoiceState(InvoiceStatus Status, InvoiceExceptionStatus ExceptionStatus)
     {
-        static readonly Dictionary<string, InvoiceStatusLegacy> _StringToInvoiceStatus;
+        public InvoiceState(string status, string exceptionStatus):
-        static readonly Dictionary<InvoiceStatusLegacy, string> _InvoiceStatusToString;
+            this(Enum.Parse<InvoiceStatus>(status), exceptionStatus switch { "None" or "" or null => InvoiceExceptionStatus.None, _ => Enum.Parse<InvoiceExceptionStatus>(exceptionStatus) })
-
-        static readonly Dictionary<string, InvoiceExceptionStatus> _StringToExceptionStatus;
-        static readonly Dictionary<InvoiceExceptionStatus, string> _ExceptionStatusToString;
-
-        static InvoiceState()
         {
-            _StringToInvoiceStatus = new Dictionary<string, InvoiceStatusLegacy>();
-            _StringToInvoiceStatus.Add("paid", InvoiceStatusLegacy.Paid);
-            _StringToInvoiceStatus.Add("expired", InvoiceStatusLegacy.Expired);
-            _StringToInvoiceStatus.Add("invalid", InvoiceStatusLegacy.Invalid);
-            _StringToInvoiceStatus.Add("complete", InvoiceStatusLegacy.Complete);
-            _StringToInvoiceStatus.Add("new", InvoiceStatusLegacy.New);
-            _StringToInvoiceStatus.Add("confirmed", InvoiceStatusLegacy.Confirmed);
-            _InvoiceStatusToString = _StringToInvoiceStatus.ToDictionary(kv => kv.Value, kv => kv.Key);
-
-            _StringToExceptionStatus = new Dictionary<string, InvoiceExceptionStatus>();
-            _StringToExceptionStatus.Add(string.Empty, InvoiceExceptionStatus.None);
-            _StringToExceptionStatus.Add("paidPartial", InvoiceExceptionStatus.PaidPartial);
-            _StringToExceptionStatus.Add("paidLate", InvoiceExceptionStatus.PaidLate);
-            _StringToExceptionStatus.Add("paidOver", InvoiceExceptionStatus.PaidOver);
-            _StringToExceptionStatus.Add("marked", InvoiceExceptionStatus.Marked);
-            _ExceptionStatusToString = _StringToExceptionStatus.ToDictionary(kv => kv.Value, kv => kv.Key);
-            _StringToExceptionStatus.Add("false", InvoiceExceptionStatus.None);
-        }
-        public InvoiceState(string status, string exceptionStatus)
-        {
-            Status = _StringToInvoiceStatus[status];
-            ExceptionStatus = _StringToExceptionStatus[exceptionStatus ?? string.Empty];
-        }
-        public InvoiceState(InvoiceStatusLegacy status, InvoiceExceptionStatus exceptionStatus)
-        {
-            Status = status;
-            ExceptionStatus = exceptionStatus;
-        }
-
-        public InvoiceStatusLegacy Status { get; }
-        public InvoiceExceptionStatus ExceptionStatus { get; }
-
-        public static string ToString(InvoiceStatusLegacy status)
-        {
-            return _InvoiceStatusToString[status];
-        }
-
-        public static string ToString(InvoiceExceptionStatus exceptionStatus)
-        {
-            return _ExceptionStatusToString[exceptionStatus];
         }
 
         public bool CanMarkComplete()
         {
-            return Status is InvoiceStatusLegacy.New or InvoiceStatusLegacy.Paid or InvoiceStatusLegacy.Expired or InvoiceStatusLegacy.Invalid ||
+            return Status is InvoiceStatus.New or InvoiceStatus.Processing or InvoiceStatus.Expired or InvoiceStatus.Invalid ||
-                   (Status != InvoiceStatusLegacy.Complete && ExceptionStatus == InvoiceExceptionStatus.Marked);
+                   (Status != InvoiceStatus.Settled && ExceptionStatus == InvoiceExceptionStatus.Marked);
         }
 
         public bool CanMarkInvalid()
         {
-            return Status is InvoiceStatusLegacy.New or InvoiceStatusLegacy.Paid or InvoiceStatusLegacy.Expired ||
+            return Status is InvoiceStatus.New or InvoiceStatus.Processing or InvoiceStatus.Expired ||
-                   (Status != InvoiceStatusLegacy.Invalid && ExceptionStatus == InvoiceExceptionStatus.Marked);
+                   (Status != InvoiceStatus.Invalid && ExceptionStatus == InvoiceExceptionStatus.Marked);
         }
 
         public bool CanRefund()
         {
-            return Status == InvoiceStatusLegacy.Confirmed ||
+            return
-                Status == InvoiceStatusLegacy.Complete ||
+                Status == InvoiceStatus.Settled ||
-                (Status == InvoiceStatusLegacy.Expired &&
+                (Status == InvoiceStatus.Expired &&
                 (ExceptionStatus == InvoiceExceptionStatus.PaidLate ||
                 ExceptionStatus == InvoiceExceptionStatus.PaidOver ||
                 ExceptionStatus == InvoiceExceptionStatus.PaidPartial)) ||
-                Status == InvoiceStatusLegacy.Invalid;
+                Status == InvoiceStatus.Invalid;
         }
 
         public bool IsSettled()
         {
-            return Status == InvoiceStatusLegacy.Confirmed ||
+            return
-                   Status == InvoiceStatusLegacy.Complete ||
+                   Status == InvoiceStatus.Settled ||
-                   (Status == InvoiceStatusLegacy.Expired &&
+                   (Status == InvoiceStatus.Expired &&
                     ExceptionStatus is InvoiceExceptionStatus.PaidLate or InvoiceExceptionStatus.PaidOver);
         }
 
-        public override int GetHashCode()
-        {
-            return HashCode.Combine(Status, ExceptionStatus);
-        }
-
-        public static bool operator ==(InvoiceState a, InvoiceState b)
-        {
-            if (a is null && b is null)
-                return true;
-            if (a is null)
-                return false;
-            return a.Equals(b);
-        }
-
-        public static bool operator !=(InvoiceState a, InvoiceState b)
-        {
-            return !(a == b);
-        }
-
-        public bool Equals(InvoiceState o)
-        {
-            if (o is null)
-                return false;
-            return o.Status == Status && o.ExceptionStatus == ExceptionStatus;
-        }
-        public override bool Equals(object obj)
-        {
-            if (obj is InvoiceState o)
-            {
-                return this.Equals(o);
-            }
-            return false;
-        }
         public override string ToString()
         {
-            return Status.ToModernStatus() + ExceptionStatus switch
+            return Status + ExceptionStatus switch
             {
                 InvoiceExceptionStatus.PaidOver => " (paid over)",
                 InvoiceExceptionStatus.PaidLate => " (paid late)",
                 InvoiceExceptionStatus.PaidPartial => " (paid partial)",
                 InvoiceExceptionStatus.Marked => " (marked)",
-                InvoiceExceptionStatus.Invalid => " (invalid)",
                 _ => ""
             };
         }

BTCPayServer/Services/Invoices/InvoiceRepository.cs

@@ -2,6 +2,7 @@ using System;
 using System.Collections.Generic;
 using System.Globalization;
 using System.Linq;
+using System.Linq.Expressions;
 using System.Threading;
 using System.Threading.Tasks;
 using BTCPayServer.Abstractions.Extensions;
@@ -230,9 +231,7 @@ retry:
                     StoreDataId = invoice.StoreId,
                     Id = invoice.Id,
                     OrderId = invoice.Metadata.OrderId,
-#pragma warning disable CS0618 // Type or member is obsolete
+                    Status = invoice.Status.ToString(),
-                    Status = invoice.StatusString,
-#pragma warning restore CS0618 // Type or member is obsolete
                     ItemCode = invoice.Metadata.ItemCode,
                     Archived = false
                 };
@@ -451,8 +450,8 @@ retry:
                 new
                 {
                     id = invoiceId,
-                    status = InvoiceState.ToString(invoiceState.Status),
+                    status = invoiceState.Status.ToString(),
-                    exstatus = InvoiceState.ToString(invoiceState.ExceptionStatus)
+                    exstatus = invoiceState.ExceptionStatus is InvoiceExceptionStatus.None ? string.Empty : invoiceState.ExceptionStatus.ToString()
                 });
         }
         internal async Task UpdateInvoicePrice(string invoiceId, decimal price)
@@ -559,7 +558,6 @@ retry:
 
                 context.Attach(invoiceData);
                 string eventName;
-                string legacyStatus;
                 switch (status)
                 {
                     case InvoiceStatus.Settled:
@@ -569,7 +567,6 @@ retry:
                         }
 
                         eventName = InvoiceEvent.MarkedCompleted;
-                        legacyStatus = InvoiceStatusLegacy.Complete.ToString();
                         break;
                     case InvoiceStatus.Invalid:
                         if (!invoiceData.GetInvoiceState().CanMarkInvalid())
@@ -577,14 +574,13 @@ retry:
                             return false;
                         }
                         eventName = InvoiceEvent.MarkedInvalid;
-                        legacyStatus = InvoiceStatusLegacy.Invalid.ToString();
                         break;
                     default:
                         return false;
                 }
 
-                invoiceData.Status = legacyStatus.ToLowerInvariant();
+                invoiceData.Status = status.ToString();
-                invoiceData.ExceptionStatus = InvoiceExceptionStatus.Marked.ToString().ToLowerInvariant();
+                invoiceData.ExceptionStatus = InvoiceExceptionStatus.Marked.ToString();
                 try
                 {
                     await context.SaveChangesAsync();
@@ -705,42 +701,50 @@ retry:
             }
 
             var statusSet = queryObject.Status is { Length: > 0 }
-                ? queryObject.Status.Select(s => s.ToLowerInvariant()).ToHashSet()
+                ? queryObject.Status.Select(NormalizeStatus).Where(n => n is not null).ToHashSet()
                 : new HashSet<string>();
             var exceptionStatusSet = queryObject.ExceptionStatus is { Length: > 0 }
-                ? queryObject.ExceptionStatus.Select(NormalizeExceptionStatus).ToHashSet()
+                ? queryObject.ExceptionStatus.Select(NormalizeExceptionStatus).Where(n => n is not null).ToHashSet()
                 : new HashSet<string>();
 
-            // We make sure here that the old filters still work
-            if (statusSet.Contains("paid"))
-                statusSet.Add("processing");
-            if (statusSet.Contains("processing"))
-                statusSet.Add("paid");
-            if (statusSet.Contains("confirmed"))
-            {
-                statusSet.Add("complete");
-                statusSet.Add("settled");
-            }
-            if (statusSet.Contains("settled"))
-            {
-                statusSet.Add("complete");
-                statusSet.Add("confirmed");
-            }
-            if (statusSet.Contains("complete"))
-            {
-                statusSet.Add("settled");
-                statusSet.Add("confirmed");
-            }
-
             if (statusSet.Any() || exceptionStatusSet.Any())
             {
-                query = query.Where(i => statusSet.Contains(i.Status) || exceptionStatusSet.Contains(i.ExceptionStatus));
+                Expression<Func<InvoiceData, bool>> statusExpression = null;
+                Expression<Func<InvoiceData, bool>> exceptionStatusExpression = null;
+                if (statusSet.Count is 1)
+                {
+                    var status = statusSet.First();
+                    statusExpression = i => i.Status == status;
+                }
+                else if (statusSet.Count is > 1)
+                {
+                    statusExpression = i => statusSet.Contains(i.Status);
+                }
+
+                if (exceptionStatusSet.Count is 1)
+                {
+                    var exceptionStatus = exceptionStatusSet.First();
+                    exceptionStatusExpression = i => i.ExceptionStatus == exceptionStatus;
+                }
+                else if (exceptionStatusSet.Count is > 1)
+                {
+                    exceptionStatusExpression = i => exceptionStatusSet.Contains(i.ExceptionStatus);
+                }
+                (Expression predicate, ParameterExpression parameter) = (statusExpression, exceptionStatusExpression) switch
+                {
+                    ({ } a, { } b) => ((Expression)Expression.Or(a.Body, b.Body), a.Parameters[0]),
+                    ({ } a, null) => (a.Body, a.Parameters[0]),
+                    (null, { } b) => (b.Body, b.Parameters[0]),
+                    _ => throw new NotSupportedException()
+                };
+                var expression = Expression.Lambda<Func<InvoiceData, bool>>(predicate, parameter);
+                query = query.Where(expression);
             }
 
             if (queryObject.Unusual != null)
             {
                 var unusual = queryObject.Unusual.Value;
-                query = query.Where(i => unusual == (i.Status == "invalid" || !string.IsNullOrEmpty(i.ExceptionStatus)));
+                query = query.Where(i => unusual == (i.Status == "Invalid" || !string.IsNullOrEmpty(i.ExceptionStatus)));
             }
 
             if (queryObject.OrderByDesc)
@@ -795,27 +799,31 @@ retry:
             return await GetInvoiceQuery(context, queryObject).CountAsync();
         }
 
+        private string NormalizeStatus(string status)
+        {
+            status = status.ToLowerInvariant();
+            return status switch
+            {
+                "new" => "New",
+                "paid" or "processing" => "Processing",
+                "complete" or "confirmed" => "Settled",
+                "expired" => "Expired",
+                "invalid" => "Invalid",
+                _ => null
+            };
+        }
+
         private string NormalizeExceptionStatus(string status)
         {
             status = status.ToLowerInvariant();
-            switch (status)
+            return status switch
             {
-                case "paidover":
+                "paidover" or "over" or "overpaid" => "PaidOver",
-                case "over":
+                "paidlate" or "late" => "PaidLate",
-                case "overpaid":
+                "paidpartial" or "underpaid" or "partial" => "PaidPartial",
-                    status = "paidOver";
+                "none" or "" => "",
-                    break;
+                _ => null
-                case "paidlate":
+            };
-                case "late":
-                    status = "paidLate";
-                    break;
-                case "paidpartial":
-                case "underpaid":
-                case "partial":
-                    status = "paidPartial";
-                    break;
-            }
-            return status;
         }
 
         public static T FromBytes<T>(byte[] blob, BTCPayNetworkBase network = null)
@@ -846,7 +854,7 @@ retry:
                     contribution.Value = contribution.CurrencyValue;
 
                     // For hardcap, we count newly created invoices as part of the contributions
-                    if (!softcap && p.Status == InvoiceStatusLegacy.New)
+                    if (!softcap && p.Status == InvoiceStatus.New)
                         return new[] { contribution };
 
                     // If the user get a donation via other mean, he can register an invoice manually for such amount
@@ -854,7 +862,7 @@ retry:
                     var payments = p.GetPayments(true);
                     if (payments.Count == 0 &&
                         p.ExceptionStatus == InvoiceExceptionStatus.Marked &&
-                        p.Status == InvoiceStatusLegacy.Complete)
+                        p.Status == InvoiceStatus.Settled)
                         return new[] { contribution };
 
                     contribution.CurrencyValue = 0m;
@@ -862,7 +870,7 @@ retry:
 
                     // If an invoice has been marked invalid, remove the contribution
                     if (p.ExceptionStatus == InvoiceExceptionStatus.Marked &&
-                        p.Status == InvoiceStatusLegacy.Invalid)
+                        p.Status == InvoiceStatus.Invalid)
                         return new[] { contribution };
 
                     // Else, we just sum the payments

BTCPayServer/Services/Reporting/LegacyInvoiceExportReportProvider.cs

@@ -95,8 +95,8 @@ public class LegacyInvoiceExportReportProvider : ReportProvider
                     data.Add(invoiceEntity.Metadata.ItemDesc);
                     data.Add(invoiceEntity.GetInvoiceState().ToString());
 #pragma warning disable CS0618 // Type or member is obsolete
-                    data.Add(invoiceEntity.StatusString);
+                    data.Add(invoiceEntity.Status.ToLegacyStatusString());
-                    data.Add(invoiceEntity.ExceptionStatusString);
+                    data.Add(invoiceEntity.ExceptionStatus.ToLegacyExceptionStatusString());
 #pragma warning restore CS0618 // Type or member is obsolete
                     data.Add(invoiceEntity.Metadata.BuyerEmail);
                     data.Add(payment.Accounted);
@@ -128,10 +128,8 @@ public class LegacyInvoiceExportReportProvider : ReportProvider
                 data.Add(invoiceEntity.Metadata.ItemCode);
                 data.Add(invoiceEntity.Metadata.ItemDesc);
                 data.Add(invoiceEntity.GetInvoiceState().ToString());
-#pragma warning disable CS0618 // Type or member is obsolete
+                data.Add(invoiceEntity.Status.ToLegacyStatusString());
-                data.Add(invoiceEntity.StatusString);
+                data.Add(invoiceEntity.ExceptionStatus.ToLegacyExceptionStatusString());
-                data.Add(invoiceEntity.ExceptionStatusString);
-#pragma warning restore CS0618 // Type or member is obsolete
                 data.Add(invoiceEntity.Metadata.BuyerEmail);
                 data.Add(null); // Accounted
             }

BTCPayServer/Services/Reporting/ProductsReportProvider.cs

@@ -42,7 +42,7 @@ public class ProductsReportProvider : ReportProvider
             var values = queryContext.CreateData();
             values.Add(i.InvoiceTime);
             values.Add(i.Id);
-            var status = i.Status.ToModernStatus();
+            var status = i.Status;
             if (status == Client.Models.InvoiceStatus.Expired && i.ExceptionStatus == Client.Models.InvoiceExceptionStatus.None)
                 continue;
             values.Add(status.ToString());

BTCPayServer/VaultClient.cs

@@ -5,7 +5,6 @@ using System.Runtime.CompilerServices;
 using System.Threading;
 using System.Threading.Tasks;
 using Amazon.S3.Model.Internal.MarshallTransformations;
-using ExchangeSharp;
 using Newtonsoft.Json.Linq;
 
 namespace BTCPayServer

BTCPayServer/Views/UIPaymentRequest/ViewPaymentRequest.cshtml

@@ -11,7 +11,7 @@
 	Layout = null;
     string StatusClass(InvoiceState state)
     {
-        var status = state.Status.ToModernStatus();
+        var status = state.Status;
         switch (status)
         {
             case InvoiceStatus.Expired:

BTCPayServer/wwwroot/checkout/checkout.js

@@ -1,8 +1,8 @@
 // These are the legacy states, see InvoiceEntity
-const STATUS_PAYABLE = ['new'];
+const STATUS_PAYABLE = ['New'];
-const STATUS_PAID = ['paid'];
+const STATUS_PAID = ['Processing'];
-const STATUS_SETTLED = ['complete', 'confirmed'];
+const STATUS_SETTLED = ['Settled'];
-const STATUS_INVALID =  ['expired', 'invalid'];
+const STATUS_INVALID =  ['Expired', 'Invalid'];
 const urlParams = new URLSearchParams(window.location.search);
 
 class NDEFReaderWrapper {

BTCPayServer/wwwroot/shopify/btcpay-shopify.js

@@ -101,7 +101,7 @@ window.BTCPayShopifyIntegrationModule = function () {
             }
             return;
         }
-        if (["complete", "confirmed", "paid"].indexOf(currentInvoiceData.status.toLowerCase()) >= 0) {
+        if (["settled", "processing"].indexOf(currentInvoiceData.status.toLowerCase()) >= 0) {
             setOrderAsPaid();
         } else if (["invalid", "expired"].indexOf(currentInvoiceData.status.toLowerCase()) >= 0) {
             fail();