Fix crash when creating a token

BTCPayServer/BTCPayServer.csproj

@@ -2,7 +2,7 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <TargetFramework>netcoreapp2.0</TargetFramework>
-		<Version>1.0.2.7</Version>
+		<Version>1.0.2.8</Version>
     <NoWarn>NU1701,CA1816,CA1308,CA1810,CA2208</NoWarn>
   </PropertyGroup>
   <ItemGroup>

BTCPayServer/Controllers/StoresController.cs

@@ -646,11 +646,11 @@ namespace BTCPayServer.Controllers
             {
                 var stores = await _Repo.GetStoresByUserId(userId);
                 model.Stores = new SelectList(stores.Where(s => s.HasClaim(Policies.CanModifyStoreSettings.Key)), nameof(StoreData.Id), nameof(StoreData.StoreName), storeId);
-            }
-            if (model.Stores.Count() == 0)
-            {
-                StatusMessage = "Error: You need to be owner of at least one store before pairing";
-                return RedirectToAction(nameof(UserStoresController.ListStores), "UserStores");
+                if (model.Stores.Count() == 0)
+                {
+                    StatusMessage = "Error: You need to be owner of at least one store before pairing";
+                    return RedirectToAction(nameof(UserStoresController.ListStores), "UserStores");
+                }
             }
             return View(model);
         }

BTCPayServer/HostedServices/InvoiceWatcher.cs

@@ -291,7 +291,7 @@ namespace BTCPayServer.HostedServices
                             if (updateContext.Dirty)
                             {
                                 await _InvoiceRepository.UpdateInvoiceStatus(invoice.Id, invoice.Status, invoice.ExceptionStatus);
-                                updateContext.Events.Add(new InvoiceDataChangedEvent(invoice));
+                                updateContext.Events.Insert(0, new InvoiceDataChangedEvent(invoice));
                             }
 
                             foreach (var evt in updateContext.Events)

BTCPayServer/Services/Invoices/InvoiceEntity.cs

@@ -676,7 +676,7 @@ namespace BTCPayServer.Services.Invoices
             accounting.Due = Money.Max(accounting.TotalDue - accounting.Paid, Money.Zero);
             accounting.DueUncapped = accounting.TotalDue - accounting.Paid;
             accounting.NetworkFee = accounting.TotalDue - totalDueNoNetworkCost;
-            accounting.MinimumTotalDue = Money.Satoshis(accounting.TotalDue.Satoshi * (1.0m - ((decimal)ParentEntity.PaymentTolerance / 100.0m)));
+            accounting.MinimumTotalDue = Money.Max(Money.Satoshis(1), Money.Satoshis(accounting.TotalDue.Satoshi * (1.0m - ((decimal)ParentEntity.PaymentTolerance / 100.0m))));
             return accounting;
         }