taler: unstable -> 0.9.2

pkgs/applications/networking/taler/default.nix

@@ -4,23 +4,24 @@
 }:
 
 let
-  taler-merchant-backoffice = fetchgit {
-    url = "https://git.taler.net/merchant-backoffice.git";
-    # branch "prebuilt" as of 2022-07-01
-    rev = "1ef7150f32960cb65ebea67839cd5023f29a3d1d";
-    sha256 = "sha256-ZtLYWHi6l5DxFvDm8RFGUD0BiAfJXCZr/ggrP3Uw7/0=";
+  version = "0.9.2";
+
+  taler-wallet-core = fetchgit {
+    url = "https://git.taler.net/wallet-core.git";
+    rev = "v${version}";
+    sha256 = "sha256-DTnwj/pkowR1b1+N94pnuLykD2O37Nh8AKhUIzY7NaU=";
   };
 
 in rec {
   taler-exchange = stdenv.mkDerivation rec {
     pname = "taler-exchange";
-    version = "unstable-2022-07-17";
+    inherit version;
 
     src = fetchgit {
       url = "https://git.taler.net/exchange.git";
-      rev = "93b45e62eef254eae68bc119b9770e97bae2c9fa";
+      rev = "v${version}";
       fetchSubmodules = true;
-      sha256 = "sha256-BQxbwEf0wIkBOBVsPgMkMvUj4kFReXMUFTiSG0jXOJ0=";
+      sha256 = "sha256-c0cX38hDIZGVhHrD9LgDU70dF2AYuZmsakC8yDyZE54=";
     };
 
     nativeBuildInputs = [
@@ -42,7 +43,6 @@ in rec {
     ];
     propagatedBuildInputs = [ gnunet ];
 
-    configureFlags = [ "--with-gnunet=${gnunet}" ];
     preConfigure = ''
       ./contrib/gana-update.sh
     '';
@@ -73,15 +73,15 @@ in rec {
 
   taler-merchant = stdenv.mkDerivation rec {
     pname = "taler-merchant";
-    version = "unstable-2022-07-11";
+    inherit version;
 
     src = fetchgit {
       url = "https://git.taler.net/merchant.git";
-      rev = "960dcacf25e51cc2bff359ea1fc86cdd3d9e6083";
-      sha256 = "sha256-Wn11z6YjnylZl3z2JjBlrtZ1KHfQUHLIYWo5F+mAmNo=";
+      rev = "v${version}";
+      sha256 = "sha256-NPK8yhuTtZZiWE7OsUMdlb2aycegPzRFud41xHE9IL8=";
     };
     postUnpack = ''
-      ln -s ${taler-merchant-backoffice}/spa.html $sourceRoot/contrib/
+      ln -s ${taler-wallet-core}/spa.html $sourceRoot/contrib/
     '';
 
     nativeBuildInputs = [ pkg-config autoreconfHook ];