From 9e2f7fb048773bae00672dd60738fe4f034fc444 Mon Sep 17 00:00:00 2001
From: "nicolas.dorier" <nicolas.dorier@gmail.com>
Date: Thu, 10 Feb 2022 12:35:21 +0900
Subject: [PATCH] Do not register services of altcoins if not used

---
 BTCPayServer/Extensions.cs                   | 8 ++++++++
 BTCPayServer/Hosting/BTCPayServerServices.cs | 3 ++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/BTCPayServer/Extensions.cs b/BTCPayServer/Extensions.cs
index 93a2f0ee5..282eed2f3 100644
--- a/BTCPayServer/Extensions.cs
+++ b/BTCPayServer/Extensions.cs
@@ -492,6 +492,14 @@ namespace BTCPayServer
             ctx.Items["BTCPAY.APPDATA"] = appData;
         }
 
+        public static bool SupportChain(this IConfiguration conf, string cryptoCode)
+        {
+            var supportedChains = conf.GetOrDefault<string>("chains", "btc")
+                .Split(',', StringSplitOptions.RemoveEmptyEntries)
+                .Select(t => t.ToUpperInvariant()).ToHashSet();
+            return supportedChains.Contains(cryptoCode.ToUpperInvariant());
+        }
+
         public static IActionResult RedirectToRecoverySeedBackup(this Controller controller, RecoverySeedBackupViewModel vm)
         {
             var redirectVm = new PostRedirectViewModel
diff --git a/BTCPayServer/Hosting/BTCPayServerServices.cs b/BTCPayServer/Hosting/BTCPayServerServices.cs
index cbab06e73..51ec9da7f 100644
--- a/BTCPayServer/Hosting/BTCPayServerServices.cs
+++ b/BTCPayServer/Hosting/BTCPayServerServices.cs
@@ -88,7 +88,8 @@ namespace BTCPayServer.Hosting
 
             services.AddPayJoinServices();
 #if ALTCOINS
-            services.AddMoneroLike();
+            if (configuration.SupportChain("xmr"))
+                services.AddMoneroLike();
 #endif
             services.TryAddSingleton<SettingsRepository>();
             services.TryAddSingleton<ISettingsRepository>(provider => provider.GetService<SettingsRepository>());