migrate to uniffi react native bindings

.eslintignore

@@ -0,0 +1,6 @@
+android/
+cpp/
+ios/
+node_modules/
+rust_modules/
+src/

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -0,0 +1,68 @@
+name: 🐛 Bug report
+description: Report a reproducible bug or regression in this library.
+labels: [bug]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        # Bug report
+
+        👋 Hi!
+
+        **Please fill the following carefully before opening a new issue ❗**
+        *(Your issue may be closed if it doesn't provide the required pieces of information)*
+  - type: checkboxes
+    attributes:
+      label: Before submitting a new issue
+      description: Please perform simple checks first.
+      options:
+        - label: I tested using the latest version of the library, as the bug might be already fixed.
+          required: true
+        - label: I tested using a [supported version](https://github.com/reactwg/react-native-releases/blob/main/docs/support.md) of react native.
+          required: true
+        - label: I checked for possible duplicate issues, with possible answers.
+          required: true
+  - type: textarea
+    id: summary
+    attributes:
+      label: Bug summary
+      description: |
+        Provide a clear and concise description of what the bug is.
+        If needed, you can also provide other samples: error messages / stack traces, screenshots, gifs, etc.
+    validations:
+      required: true
+  - type: input
+    id: library-version
+    attributes:
+      label: Library version
+      description: What version of the library are you using?
+      placeholder: "x.x.x"
+    validations:
+      required: true
+  - type: textarea
+    id: react-native-info
+    attributes:
+      label: Environment info
+      description: Run `react-native info` in your terminal and paste the results here.
+      render: shell
+    validations:
+      required: true
+  - type: textarea
+    id: steps-to-reproduce
+    attributes:
+      label: Steps to reproduce
+      description: |
+        You must provide a clear list of steps and code to reproduce the problem.
+      value: |
+        1. …
+        2. …
+    validations:
+      required: true
+  - type: input
+    id: reproducible-example
+    attributes:
+      label: Reproducible example repository 
+      description: Please provide a link to a repository on GitHub with a reproducible example.
+      render: js
+    validations:
+      required: true

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,8 @@
+blank_issues_enabled: false
+contact_links:
+  - name: Feature Request 💡
+    url: https://github.com/Blockstream/lwk-rn/discussions/new?category=ideas
+    about: If you have a feature request, please create a new discussion on GitHub.
+  - name: Discussions on GitHub 💬
+    url: https://github.com/Blockstream/lwk-rn/discussions
+    about: If this library works as promised but you need help, please ask questions there.

.github/actions/setup/action.yml

@@ -5,13 +5,13 @@ runs:
   using: composite
   steps:
     - name: Setup Node.js
-      uses: actions/setup-node@v3
+      uses: actions/setup-node@v4
       with:
         node-version-file: .nvmrc
 
-    - name: Cache dependencies
+    - name: Restore dependencies
       id: yarn-cache
-      uses: actions/cache@v3
+      uses: actions/cache/restore@v4
       with:
         path: |
           **/node_modules
@@ -25,3 +25,12 @@ runs:
       if: steps.yarn-cache.outputs.cache-hit != 'true'
       run: yarn install --immutable
       shell: bash
+
+    - name: Cache dependencies
+      if: steps.yarn-cache.outputs.cache-hit != 'true'
+      uses: actions/cache/save@v4
+      with:
+        path: |
+          **/node_modules
+          .yarn/install-state.gz
+        key: ${{ steps.yarn-cache.outputs.cache-primary-key }}

.github/workflows/ci.yml

@@ -1,4 +1,4 @@
-name: CI
+name: CI Build
 on:
   push:
     branches:
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup
         uses: ./.github/actions/setup
@@ -30,7 +30,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup
         uses: ./.github/actions/setup
@@ -42,7 +42,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup
         uses: ./.github/actions/setup
@@ -56,13 +56,13 @@ jobs:
       TURBO_CACHE_DIR: .turbo/android
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup
         uses: ./.github/actions/setup
 
       - name: Cache turborepo for Android
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ env.TURBO_CACHE_DIR }}
           key: ${{ runner.os }}-turborepo-android-${{ hashFiles('yarn.lock') }}
@@ -79,7 +79,7 @@ jobs:
 
       - name: Install JDK
         if: env.turbo_cache_hit != 1
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           distribution: 'zulu'
           java-version: '17'
@@ -91,7 +91,7 @@ jobs:
 
       - name: Cache Gradle
         if: env.turbo_cache_hit != 1
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             ~/.gradle/wrapper
@@ -103,24 +103,22 @@ jobs:
       - name: Build example for Android
         env:
           JAVA_OPTS: "-XX:MaxHeapSize=6g"
-          PAT_USER: ${{ secrets.PAT_USER }}
-          PAT_TOKEN: ${{ secrets.PAT_TOKEN }}
         run: |
           yarn turbo run build:android --cache-dir="${{ env.TURBO_CACHE_DIR }}"
 
   build-ios:
-    runs-on: macos-14
+    runs-on: macos-latest
     env:
       TURBO_CACHE_DIR: .turbo/ios
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup
         uses: ./.github/actions/setup
 
       - name: Cache turborepo for iOS
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ env.TURBO_CACHE_DIR }}
           key: ${{ runner.os }}-turborepo-ios-${{ hashFiles('yarn.lock') }}
@@ -135,10 +133,10 @@ jobs:
             echo "turbo_cache_hit=1" >> $GITHUB_ENV
           fi
 
-      - name: Cache cocoapods
+      - name: Restore cocoapods
         if: env.turbo_cache_hit != 1
         id: cocoapods-cache
-        uses: actions/cache@v3
+        uses: actions/cache/restore@v4
         with:
           path: |
             **/ios/Pods
@@ -147,13 +145,21 @@ jobs:
             ${{ runner.os }}-cocoapods-
 
       - name: Install cocoapods
-        #if: env.turbo_cache_hit != 1 && steps.cocoapods-cache.outputs.cache-hit != 'true'
+        if: env.turbo_cache_hit != 1 && steps.cocoapods-cache.outputs.cache-hit != 'true'
         run: |
           cd example/ios
           pod install
         env:
           NO_FLIPPER: 1
 
+      - name: Cache cocoapods
+        if: env.turbo_cache_hit != 1 && steps.cocoapods-cache.outputs.cache-hit != 'true'
+        uses: actions/cache/save@v4
+        with:
+          path: |
+            **/ios/Pods
+          key: ${{ steps.cocoapods-cache.outputs.cache-key }}
+
       - name: Build example for iOS
         run: |
           yarn turbo run build:ios --cache-dir="${{ env.TURBO_CACHE_DIR }}"

.github/workflows/generate.yml

@@ -0,0 +1,65 @@
+name: CI Generate
+on:
+  workflow_dispatch:
+
+jobs:
+    build-android:
+      runs-on: ubuntu-latest
+      steps:
+        - name: Checkout
+          uses: actions/checkout@v4
+
+        - name: Setup
+          uses: ./.github/actions/setup
+
+        - name: Setup rust toolchain
+          uses: dtolnay/rust-toolchain@1.81.0
+          with:
+            targets: aarch64-linux-android,armv7-linux-androideabi,i686-linux-android,x86_64-linux-android
+
+        - name: Install NDK
+          run: cargo install cargo-ndk
+
+        - name: Fetch LWK
+          run: sh fetch_lwk.sh
+
+        - name: Generate android lib
+          run: yarn ubrn:android --profile release-smaller
+
+        - name: Temporarily save artifact
+          uses: actions/upload-artifact@v4
+          with:
+            name: lwk-android-artifact
+            path: android
+            retention-days: 1
+    build-ios:
+      runs-on: macos-14
+      steps:
+        - name: Checkout
+          uses: actions/checkout@v4
+
+        - name: Setup
+          uses: ./.github/actions/setup
+
+        - name: Setup rust toolchain
+          uses: dtolnay/rust-toolchain@1.81.0
+          with:
+            targets: x86_64-apple-ios,aarch64-apple-ios,aarch64-apple-ios-sim
+
+        - name: Fetch LWK
+          run: sh fetch_lwk.sh
+
+        - name: Generate ios lib
+          run: yarn ubrn:ios --profile release-smaller
+
+        - name: Strip ios lib
+          run: |
+            strip LwkRnFramework.xcframework/ios-arm64/liblwk.a |
+            strip LwkRnFramework.xcframework/ios-arm64-simulator/liblwk.a
+
+        - name: Temporarily save artifact
+          uses: actions/upload-artifact@v4
+          with:
+            name: lwk-ios-artifact
+            path: LwkRnFramework.xcframework
+            retention-days: 1

.gitignore

@@ -28,6 +28,7 @@ DerivedData
 *.ipa
 *.xcuserstate
 project.xcworkspace
+**/.xcode.env.local
 
 # Android/IJ
 #
@@ -80,3 +81,10 @@ lib/
 # React Native Codegen
 ios/generated
 android/generated
+
+# React Native Nitro Modules
+nitrogen/
+
+# From uniffi-bindgen-react-native
+rust_modules/
+*.a

.nvmrc

@@ -1 +1 @@
-v18
+v20

CONTRIBUTING.md

@@ -47,6 +47,14 @@ To run the example app on iOS:
 yarn example ios
 ```
 
+To confirm that the app is running with the new architecture, you can check the Metro logs for a message like this:
+
+```sh
+Running "LwkRnExample" with {"fabric":true,"initialProps":{"concurrentRoot":true},"rootTag":1}
+```
+
+Note the `"fabric":true` and `"concurrentRoot":true` properties.
+
 Make sure your code passes TypeScript and ESLint. Run the following to verify:
 
 ```sh

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2024 Luca Vaccaro
+Copyright (c) 2025 lvaccaro
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
 in the Software without restriction, including without limitation the rights

LwkRn.podspec

@@ -0,0 +1,41 @@
+require "json"
+
+package = JSON.parse(File.read(File.join(__dir__, "package.json")))
+folly_compiler_flags = '-DFOLLY_NO_CONFIG -DFOLLY_MOBILE=1 -DFOLLY_USE_LIBCPP=1 -Wno-comma -Wno-shorten-64-to-32'
+
+Pod::Spec.new do |s|
+  s.name         = "LwkRn"
+  s.version      = package["version"]
+  s.summary      = package["description"]
+  s.homepage     = package["homepage"]
+  s.license      = package["license"]
+  s.authors      = package["author"]
+
+  s.platforms    = { :ios => min_ios_version_supported }
+  s.source       = { :git => "https://github.com/Blockstream/lwk-rn.git", :tag => "#{s.version}" }
+
+  s.source_files = "ios/**/*.{h,m,mm}", "cpp/**/*.{hpp,cpp,c,h}"
+
+  # Use install_modules_dependencies helper to install the dependencies if React Native version >=0.71.0.
+  # See https://github.com/facebook/react-native/blob/febf6b7f33fdb4904669f99d795eba4c0f95d7bf/scripts/cocoapods/new_architecture.rb#L79.
+  if respond_to?(:install_modules_dependencies, true)
+    install_modules_dependencies(s)
+  else
+    s.dependency "React-Core"
+
+    # Don't install the dependencies when we run `pod install` in the old architecture.
+    if ENV['RCT_NEW_ARCH_ENABLED'] == '1' then
+      s.compiler_flags = folly_compiler_flags + " -DRCT_NEW_ARCH_ENABLED=1"
+      s.pod_target_xcconfig    = {
+          "HEADER_SEARCH_PATHS" => "\"$(PODS_ROOT)/boost\"",
+          "OTHER_CPLUSPLUSFLAGS" => "-DFOLLY_NO_CONFIG -DFOLLY_MOBILE=1 -DFOLLY_USE_LIBCPP=1",
+          "CLANG_CXX_LANGUAGE_STANDARD" => "c++17"
+      }
+      s.dependency "React-Codegen"
+      s.dependency "RCT-Folly"
+      s.dependency "RCTRequired"
+      s.dependency "RCTTypeSafety"
+      s.dependency "ReactCommon/turbomodule/core"
+    end
+  end
+end