build-android.yml

name: Build Android
on:
  workflow_dispatch:
    inputs:
      liquid_sdk_ref:
        description: 'Liquid SDK commit/tag/branch reference'
        required: false
        type: string
        default: 'main'
      breez_sdk_ref:
        description: 'Breez SDK commit/tag/branch reference'
        required: false
        type: string
        default: 'flutter_rust_bridge_v2'

jobs:
  build-android:
    name: Build Android
    runs-on: macOS-latest
    steps:
      - name: 🏗️ Setup l-breez repository
        uses: actions/checkout@v4
        with:
          path: 'lbreez'

      - name: Decode Keystore
        env:
            STORE_FILE_BASE64: ${{ secrets.STORE_FILE_BASE64 }}
            STORE_FILE: ${RUNNER_TEMP}/keystore/lbreez-release.keystore
        run: |
            echo "STORE_FILE=${RUNNER_TEMP}/keystore/lbreez-release.keystore" >> $GITHUB_ENV
            echo "STORE_FILE=${RUNNER_TEMP}/keystore/lbreez-release.keystore"
            TMP_KEYSTORE_FILE_PATH=${RUNNER_TEMP}/keystore
            mkdir -p ${TMP_KEYSTORE_FILE_PATH}
            echo $STORE_FILE_BASE64 | base64 -do ${TMP_KEYSTORE_FILE_PATH}/lbreez-release.keystore
            echo "${TMP_KEYSTORE_FILE_PATH}/lbreez-release.keystore"

      - name: Install rust
        run: |
          rustup set auto-self-update disable
          rustup toolchain install stable --profile minimal

      - name: 🏗️ Setup Java
        uses: actions/setup-java@v4
        with:
          distribution: 'zulu'
          java-version: '17'

      - name: 🏗️ Setup Flutter
        uses: subosito/flutter-action@v2
        with:
          channel: 'stable'
          cache: true

      - name: Set up just
        uses: extractions/setup-just@v2

      - name: Set up Melos
        uses: bluefireteam/melos-action@v3
        with:
          run-bootstrap: false

      - name: 🏗️ Android cache
        id: android-cache
        uses: actions/cache@v3
        with:
          path: ~/.android/debug.keystore
          key: debug.keystore

      - name: 🏗️ Copy Firebase configuration file
        working-directory: lbreez
        env:
          GOOGLE_SERVICES: ${{secrets.GOOGLE_SERVICES}}
        run: echo "$GOOGLE_SERVICES" > android/app/google-services.json

      # TODO: Liquid - Revert once breez-sdk dependency is removed
      - name: 🏗️ Setup breez-sdk repository
        uses: actions/checkout@v4
        with:
          repository: 'breez/breez-sdk'
          ssh-key: ${{secrets.REPO_SSH_KEY}}
          path: 'breez-sdk'
          ref: ${{ inputs.breez_sdk_ref }}

      - name: 🏗️ Setup breez-liquid-sdk repository
        uses: actions/checkout@v4
        with:
          repository: 'breez/breez-liquid-sdk'
          ssh-key: ${{secrets.REPO_SSH_KEY}}
          path: 'breez-liquid-sdk'
          ref: ${{ inputs.liquid_sdk_ref }}

      - name: 🏗️ Rust cache
        uses: Swatinem/rust-cache@v2
        with:
          workspaces: breez-liquid-sdk/lib/
          cache-all-crates: true

      - name: 📦 Install Breez Liquid SDK dependencies
        working-directory: breez-liquid-sdk/lib/bindings/langs/flutter/
        run: |
          just clean
          just init

      - name: Install flutter_rust_bridge_codegen dependencies
        working-directory: breez-liquid-sdk/lib/bindings/langs/flutter/
        run: just frb

      - name: Generate Dart/Flutter bindings
        working-directory: breez-liquid-sdk/lib/bindings/langs/flutter/
        continue-on-error: true
        run: just codegen

      - name: Generate FFI bindings
        working-directory: breez-liquid-sdk/lib/bindings/langs/flutter/
        continue-on-error: true
        run: just ffigen

      - name: 🔒 Install SSH Key
        env:
          SSH_PRIVATE_KEY: ${{secrets.REPO_SSH_KEY}}
        run: |
          mkdir -p ~/.ssh
          echo "$SSH_PRIVATE_KEY" > ~/.ssh/id_rsa
          sudo chmod 600 ~/.ssh/id_rsa
          ssh-add ~/.ssh/id_rsa

      - name: 🔨 Build Breez Liquid SDK
        working-directory: breez-liquid-sdk/lib/bindings/langs/flutter/
        run: |
          rm -rf ../../../target
          just build

      - name: 🔨 Build Android binaries
        working-directory: breez-liquid-sdk/lib/bindings/langs/flutter/
        run: |
          just build-android
          just link

      - name: 🗂️ Populate Flutter tool's cache of binary artifacts.
        working-directory: lbreez
        run: flutter precache

      - name: 📦 Install Flutter dependencies
        working-directory: lbreez
        run: flutter pub get

      - name: 🔍 Perform static analysis
        working-directory: lbreez
        run: dart analyze --fatal-infos

      - name: ⚙️ Setup compile-time variables
        env:
          CONFIG_FILE: ${{secrets.CONFIG_FILE}}
        run: echo "$CONFIG_FILE" > ./lbreez/config.json

      - name: 🚀 Build Release apk
        env:          
          STORE_PASSWORD: ${{ secrets.STORE_PASSWORD }}
          KEY_ALIAS: ${{ secrets.KEY_ALIAS }}
          KEY_PASSWORD: ${{ secrets.KEY_PASSWORD }}
        working-directory: lbreez
        run: flutter build apk --release --split-debug-info=./obsfucated/debug --obfuscate --no-pub --split-per-abi --dart-define-from-file=config.json

      - name: 🗃️ Compress build folder (APK)
        if: github.event_name == 'release'
        uses: TheDoctor0/zip-release@master
        with:
          filename: build.zip
          directory: lbreez/build/app/outputs/flutter-apk
          type: zip

      - name: 📤 Upload asset (APK)
        if: github.event_name == 'release'
        uses: svenstaro/upload-release-action@v2
        with:
          asset_name: Android-APK.zip
          file: lbreez/build/app/outputs/flutter-apk/build.zip
          overwrite: true
          repo_token: ${{ secrets.GITHUB_TOKEN }}

      - name: 📤 Upload artifact (APK)
        if: github.event_name != 'release'
        uses: actions/upload-artifact@v3
        with:
          name: Android-APK
          path: lbreez/build/app/outputs/flutter-apk/app-*.apk