Namecoin Core flake

flake.nix

@@ -8,25 +8,57 @@
 
   outputs = { self, nixpkgs, utils }:
     let
-      localOverlay = import ./nix/overlay.nix;
+      localOverlay = final: prev: {
+        namecoin-core = prev.callPackage ./nix/namecoin-core.nix { };
 
-      pkgsForSystem = system: import nixpkgs {
-        overlays = [
-          localOverlay
-        ];
-        inherit system;
+        devShell = final.namecoin-core;
       };
-    in utils.lib.eachSystem [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" ] (system: rec {
+
+      pkgsForSystem = system:
+        import nixpkgs {
+          overlays = [ localOverlay ];
+          inherit system;
+        };
+    in utils.lib.eachSystem [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" ]
+    (system: rec {
       legacyPackages = pkgsForSystem system;
       packages = utils.lib.flattenTree {
         inherit (legacyPackages) devShell namecoin-core;
+        default = legacyPackages.namecoin-core;
       };
-      defaultPackage = packages.namecoin-core;
       apps.namecoin-core = utils.lib.mkApp { drv = packages.namecoin-core; };
       hydraJobs = { inherit (legacyPackages) namecoin-core; };
       checks = { inherit (legacyPackages) namecoin-core; };
-  }) // {
-    overlay = localOverlay;
-    overlays = {};
-  };
+    }) // {
+      nixosModules.namecoin-core = { pkgs, lib, config, ... }:
+        with lib;
+        let cfg = config.services.namecoin-core;
+        in {
+          options = {
+            services.namecoin-core = {
+              enable = mkOption {
+                type = types.bool;
+                default = false;
+              };
+            };
+          };
+          config = mkIf cfg.enable {
+            nixpkgs.overlays = [ localOverlay ];
+
+            systemd.packages = [ pkgs.namecoin-core ];
+
+            systemd.services.namecoin-core = {
+              path = [ pkgs.namecoin-core ];
+              description = "Namecoin Core daemon.";
+
+              serviceConfig = {
+                Type = "simple";
+                ExecStart = "${pkgs.namecoin-core}/bin/namecoind";
+                wantedBy = [ "default.target" ];
+              };
+            };
+          };
+        };
+      overlays.default = localOverlay;
+    };
 }

nix/namecoin-core.nix

@@ -1,16 +1,97 @@
-{ lib, stdenv, fetchFromGitHub, nix-gitignore, pkg-config, autoreconfHook }:
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  nix-gitignore,
+  pkg-config,
+  autoreconfHook,
+  boost,
+  python3,
+  libtool,
+  libevent,
+  zeromq,
+  hexdump,
+  db48,
+  sqlite,
+  libupnp,
+  libnatpmp,
+  libsForQt5,
+  withWallet ? false,
+  withGui ? true,
+  withUpnp ? false,
+  withNatpmp ? false,
+  withHardening ? true
+  }:
 
+with lib;
 let
   additionalFilters = [ "*.nix" "nix/" "build/" ];
   filterSource = nix-gitignore.gitignoreSource additionalFilters;
   cleanedSource = filterSource ../.;
-in stdenv.mkDerivation {
-  pname = "namecoin-core";
-  # TODO: find a better way to determine version, but it doesn't seem to be version controlled
-  version = "0.21.1";
+  desktop = builtins.fetchurl {
+    url = "https://raw.githubusercontent.com/bitcoin-core/packaging/${version}/debian/bitcoin-qt.desktop";
+    sha256 = "0a46bbadda140599e807be38999e6848c89f9c3523d26fede02d34d62d50f632";
+  };
+  inherit (libsForQt5.qt5) qtbase qttools qmake wrapQtAppsHook;
 
+in stdenv.mkDerivation rec {
+  pname = "namecoin-core";
+  version = "23.0";
   src = cleanedSource;
 
-  nativeBuildInputs = [ pkg-config autoreconfHook ];
-  buildInputs = [ ];
+  nativeBuildInputs = [ pkg-config autoreconfHook boost wrapQtAppsHook ]
+    ++ optionals (withGui) [ wrapQtAppsHook qmake ];
+
+  buildInputs = [ python3 libtool libevent zeromq hexdump qtbase qttools ]
+    ++ optionals (withWallet) [ db48 sqlite ]
+    ++ optionals (withUpnp) [ libupnp ]
+    ++ optionals (withNatpmp) [ libnatpmp];
+
+    configureFlags = [ ]
+      ++ optionals (!withGui) [ " --without-gui " ]
+      ++ optionals (!withWallet) [ "--disable-wallet" "--without-bdb" ]
+      ++ optionals (withUpnp) [ "--with-miniupnpc" "--enable-upnp-default" ]
+      ++ optionals (withNatpmp) [ "--with-natpmp" "--enable-natpmp-default" ]
+      ++ optionals (!withHardening) [ "--disable-hardening" ] 
+      ++ optionals withGui [
+        "--with-gui=qt5"
+        "--with-qt-bindir=${qtbase.dev}/bin:${qttools.dev}/bin"
+      ];
+
+  preConfigure = ''
+      ./autogen.sh
+  '';
+
+  configurePhase = ''
+      ./configure --enable-cxx --without-bdb --disable-shared --prefix=${db48}/bin --with-boost=${boost} --with-boost-libdir=${boost}/lib --prefix=$out
+  '';
+
+    QT_PLUGIN_PATH = if withGui then "${qtbase}/${qtbase.qtPluginPrefix}" else null;
+    LRELEASE = "${qttools.dev}/bin/lrelease";
+    LUPDATE = "${qttools.dev}/bin/lupdate";
+    LCONVERT = "${qttools.dev}/bin/lconvert";
+
+    postConfigure = "make qmake_all";
+
+    buildPhase = '' 
+      make -j $NIX_BUILD_CORES
+    '';
+
+    postInstall = optionalString withGui ''
+        install -Dm644 ${desktop} $out/share/applications/namecoin-qt.desktop
+    '';
+
+    qtWrapperArgs = [ ''--prefix PATH : ${placeholder "out"}/bin/namecoin-qt '' ];
+
+    checkFlags =
+        [ "LC_ALL=C.UTF-8" ]
+        # QT_PLUGIN_PATH needs to be set when executing QT, which is needed when testing Bitcoin's GUI.
+        # See also https://github.com/NixOS/nixpkgs/issues/24256
+        ++ optional withGui "QT_PLUGIN_PATH=${qtbase}/${qtbase.qtPluginPrefix}";
+
+    meta = {
+      homepage = "https://namecoin.org";
+      downloadPage = "https://namecoin.org/download";
+      description = "a decentralized open source information registration and transfer system based on the Bitcoin cryptocurrency.";
+    };
 }