Updates

flake.nix

@@ -12,33 +12,32 @@
     in
     flake-utils.lib.eachDefaultSystem (system:
       with nixpkgs.legacyPackages.${system}; {
-        imports = [
-          ./module.nix
-        ];
-
         nixosModules = {
           # add moduleA from flakeA as an output
           # moduleA = flakeA.nixosModules.moduleA;
           default = import ./module.nix;
         };
 
-        packages.${productName} = rustPlatform.buildRustPackage {
-          name = "${productName}";
-          version = "${productVersion}";
+        packages =
+        {
+          default = 
+            rustPlatform.buildRustPackage {
+              name = "${productName}";
+              version = "${productVersion}";
 
-          src = lib.cleanSource ./.;
+              src = lib.cleanSource ./.;
 
-          cargoSha256 = "sha256-d84QNj9SIRUwtlsa9sdYKuYf0oCptdGm7pDs3eGTcBg=";
+              cargoSha256 = "sha256-d84QNj9SIRUwtlsa9sdYKuYf0oCptdGm7pDs3eGTcBg=";
 
-          preConfigure = ''
-            export LIBCLANG_PATH="${llvmPackages.libclang.lib}/lib";
-          '';
-          nativeBuildInputs = [ cargo clang cmake ];
+              preConfigure = ''
+                export LIBCLANG_PATH="${llvmPackages.libclang.lib}/lib";
+              '';
+              nativeBuildInputs = [ cargo clang cmake ];
+            };
+          # default = "${productName}";
         };
-
-        defaultPackage = self.packages.${system}.${productName};
-
-        devShell = mkShell {
+  
+        devShells.default = mkShell {
           inputsFrom = builtins.attrValues self.packages.${system};
 
           shellHook = ''

module.nix

@@ -77,7 +77,7 @@ in {
         # electrs only uses the working directory for reading electrs.toml
         WorkingDirectory = cfg.dataDir;
         ExecStart = ''
-          ${config.pkgs.blockstream-electrs}/bin/electrs \
+          ${pkgs.blockstream-electrs}/bin/electrs \
           --log-filters=INFO \
           --network=${bitcoind.makeNetworkName "bitcoin" "regtest"} \
           --db-dir='${cfg.dataDir}' \