mempool: 2.5.0 -> 3.2.1

pkgs/mempool/default.nix

@@ -1,7 +1,7 @@
 { lib
 , stdenvNoCC
-, nodejs-18_x
-, nodejs-slim-18_x
+, nodejs_22
+, nodejs-slim_22
 , fetchFromGitHub
 , fetchNodeModules
 , runCommand
@@ -9,47 +9,55 @@
 , curl
 , cacert
 , rsync
+# for rust-gbt (backend module)
+, cargo
+, rustc
+, rustPlatform
+, napi-rs-cli
 }:
 rec {
-  nodejs = nodejs-18_x;
-  nodejsRuntime = nodejs-slim-18_x;
+  nodejs = nodejs_22;
+  nodejsRuntime = nodejs-slim_22;
 
-  version = "2.5.0";
+  version = "3.2.1";
 
   src = fetchFromGitHub {
     owner = "mempool";
     repo = "mempool";
     tag = "v${version}";
-    hash = "sha256-8HmfytxRte3fQ0QKOljUVk9YAuaXhQQWuv3EFNmOgfQ=";
+    hash = "sha256-O2XPD1/BXQnzuOP/vMVyRfmFZEgjA85r+PShWne0vqU=";
   };
 
   nodeModules = {
     frontend = fetchNodeModules {
       inherit src nodejs;
       sourceRoot = "source/frontend";
-      hash = "sha256-/Z0xNvob7eMGpzdUWolr47vljpFiIutZpGwd0uYhPWI=";
+      hash = "sha256-+jfgsAkDdYvgso8uSHaBj/sQL3fC/ABQWzVTXfdZcU0=";
     };
     backend = fetchNodeModules {
       inherit src nodejs;
       sourceRoot = "source/backend";
-      hash = "sha256-HpzzSTuSRWDWGbctVhTcUA01if/7OTI4xN3DAbAAX+U=";
+      hash = "sha256-y5l2SYZYK9SKSy6g0+mtTWD6JFkkdQHHBboECpEvWZ4=";
     };
   };
 
   frontendAssets = fetchFiles {
     name = "mempool-frontend-assets";
-    hash = "sha256-3TmulAfzJJMf0UFhnHEqjAnzc1TNC5DM2XcsU7eyinY=";
+    hash = "sha256-r6GfOY8Pdh15o2OQMk8syfvWMV6WMCReToAEkQm7tqQ=";
     fetcher = ./frontend-assets-fetch.sh;
   };
 
   mempool-backend = mkDerivationMempool {
     pname = "mempool-backend";
 
+    patches = [ ./0001-allow-disabling-mining-pool-fetching.patch ];
+
     buildPhase = ''
       cd backend
       ${sync} --chmod=+w ${nodeModules.backend}/lib/node_modules .
       patchShebangs node_modules
 
+      ${sync} ${mempool-rust-gbt}/ rust-gbt
       npm run package
 
       runHook postBuild
@@ -84,8 +92,6 @@ rec {
       # internet. Disable this script and instead add the assets manually after building.
       : > sync-assets.js
 
-      # If this produces incomplete output (when run in a different build setup),
-      # see https://github.com/mempool/mempool/issues/1256
       npm run build
 
       # Add assets that would otherwise be downloaded by sync-assets.js
@@ -106,6 +112,41 @@ rec {
     };
   };
 
+  mempool-rust-gbt = stdenvNoCC.mkDerivation rec {
+    pname = "mempool-rust-gbt";
+    inherit version src meta;
+
+    sourceRoot = "source/rust/gbt";
+
+    nativeBuildInputs = [
+      rustPlatform.cargoSetupHook
+      cargo
+      rustc
+      napi-rs-cli
+    ];
+
+    cargoDeps = rustPlatform.fetchCargoVendor {
+      inherit src;
+      name = "${pname}-${version}";
+      inherit sourceRoot;
+      hash = "sha256-eox/K3ipjAqNyFt87lZnxaU/okQLF/KIhqXrX86n+qw=";
+    };
+
+    buildPhase = ''
+      runHook preBuild
+      # napi doesn't accept an absolute path as dest dir, so we can't directly write to $out
+      napi build --platform --release --strip out
+      runHook postBuild
+    '';
+
+    installPhase = ''
+      mv out $out
+      cp package.json $out
+    '';
+
+    passthru = { inherit cargoDeps; };
+  };
+
   mempool-nginx-conf = runCommand "mempool-nginx-conf" {} ''
     ${sync} --chmod=u+w ${./nginx-conf}/ $out
     ${sync} ${src}/production/nginx/http-language.conf $out