subxt: init at 0.31.0

pkgs/development/tools/subxt/default.nix

@@ -0,0 +1,36 @@
+{ lib
+, stdenv
+, rustPlatform
+, fetchFromGitHub
+, cmake
+}:
+
+rustPlatform.buildRustPackage rec {
+  pname = "subxt";
+  version = "0.31.0";
+
+  src = fetchFromGitHub {
+    owner = "paritytech";
+    repo = "subxt";
+    rev = "v${version}";
+    hash = "sha256-eEsb88f16Ug9h7JNkzwSTxJZEV5r4XmmzsTxTQGk+j8=";
+  };
+
+  cargoHash = "sha256-kcs55NgwsqgZXcx+a6g0o9KdUG4tt0ZBv3dU/Pb0NJk=";
+
+  # Only build the command line client
+  cargoBuildFlags = [ "--bin" "subxt" ];
+
+  # Needed by wabt-sys
+  nativeBuildInputs = [ cmake ];
+
+  # Requires a running substrate node
+  doCheck = false;
+
+  meta = with lib; {
+    homepage = "https://github.com/paritytech/subxt";
+    description = "Submit transactions to a substrate node via RPC.";
+    license = with licenses; [ gpl3Plus asl20 ];
+    maintainers = [ maintainers.FlorianFranzen ];
+  };
+}

pkgs/top-level/all-packages.nix

@@ -25218,6 +25218,8 @@ with pkgs;
 
   subtitleeditor = callPackage ../applications/video/subtitleeditor { };
 
+  subxt = callPackage ../development/tools/subxt { };
+
   suil = darwin.apple_sdk_11_0.callPackage ../development/libraries/audio/suil { };
 
   sundials = callPackage ../development/libraries/sundials {