Make sure cheater scan rpc capabilities

BTCPayServer/Hosting/BTCPayServerServices.cs

@@ -443,6 +443,7 @@ namespace BTCPayServer.Hosting
             if (configuration.GetOrDefault<bool>("cheatmode", false))
             {
                 services.AddSingleton<Cheater>();
+                services.AddSingleton<IHostedService, Cheater>(o => o.GetRequiredService<Cheater>());
             }
             return services;
         }

BTCPayServer/Services/Cheater.cs

@@ -1,15 +1,17 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Threading;
 using System.Threading.Tasks;
 using BTCPayServer.Configuration;
 using BTCPayServer.Data;
+using Microsoft.Extensions.Hosting;
 using NBitcoin;
 using NBitcoin.RPC;
 
 namespace BTCPayServer.Services
 {
-    public class Cheater
+    public class Cheater : IHostedService
     {
         private readonly ApplicationDbContextFactory _applicationDbContextFactory;
 
@@ -35,5 +37,15 @@ namespace BTCPayServer.Services
                 await ctx.SaveChangesAsync().ConfigureAwait(false);
             }
         }
+
+        async Task IHostedService.StartAsync(CancellationToken cancellationToken)
+        {
+            await CashCow.ScanRPCCapabilitiesAsync();
+        }
+
+        Task IHostedService.StopAsync(CancellationToken cancellationToken)
+        {
+            return Task.CompletedTask;
+        }
     }
 }