build-android.yml

name: Build Android
on:
  workflow_dispatch:
    inputs:
      use-published-plugins:
        description: 'Boolean indicating whether to use a published plugin for the SDK. Default = false.'
        required: false
        type: boolean
        default: false
      liquid-sdk-plugin-version:
        description: 'Version for the published Liquid SDK plugin (MAJOR.MINOR.BUILD). Default = "main"'
        required: false
        type: string
        default: 'main'
      liquid-sdk-ref:
        description: 'Liquid SDK commit/tag/branch reference when not using a published plugin. Default = "main"'
        required: false
        type: string
        default: 'main'

jobs:

  pre-setup:
    name: Pre-setup
    runs-on: ubuntu-latest
    outputs:
      # These outputs mimic the inputs for the workflow.
      # Their only purpose is to be able to test this workflow if you make
      # changes that you won't want to commit to main yet.
      # You can set these values manually, to test how the CI behaves with
      # certain inputs.
      use-published-plugins: ${{ inputs.use-published-plugins }}
      liquid-sdk-plugin-version: ${{ inputs.liquid-sdk-plugin-version }}
      liquid-sdk-ref: ${{ inputs.liquid-sdk-ref }}
    steps:
      - run: echo "set pre-setup output variables"

  setup:
    name: Setup
    needs: pre-setup
    runs-on: ubuntu-latest
    outputs:
      # Careful, a boolean input is not a boolean output. A boolean input is
      # actually a boolean, but these outputs are strings. All the boolean
      # checks in this file have the format `boolean == 'true'`. So feel free
      # to set these variables here to `true` or `false`
      # (e.g. bindings-windows: true) if you want to test something.
      use-published-plugins: ${{ needs.pre-setup.outputs.use-published-plugins }}
      liquid-sdk-plugin-version: ${{ needs.pre-setup.outputs.liquid-sdk-plugin-version }}
      liquid-sdk-ref: ${{ needs.pre-setup.outputs.liquid-sdk-ref }}
    steps:
      - run: echo "set setup output variables"

      - name: 🏗️ Setup l-breez repository
        uses: actions/checkout@v4
        with:
          path: 'lbreez'

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

  build-sdk:
    needs: setup
    name: Build Liquid SDK
    runs-on: macOS-latest
    if: ${{ needs.setup.outputs.use-published-plugins == 'false' }}
    steps:
      - name: Install rust
        run: |
          rustup set auto-self-update disable
          rustup toolchain install stable --profile minimal

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

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

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

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

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

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

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

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

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

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

  configurations:
    needs: [setup, build-sdk]
    name: Setup Configurations
    runs-on: macOS-latest
    steps:
      - name: Set Liquid SDK plugin version
        if: ${{ needs.setup.outputs.use-published-plugins == 'true' }}
        working-directory: lbreez
        run: |
          mv pubspec_overrides.yaml.workflow pubspec_overrides.yaml
          sed -i.bak -e 's/ref:.*/ref: v${{ needs.setup.outputs.liquid-sdk-plugin-version }}/' pubspec_overrides.yaml
          rm pubspec_overrides.yaml.bak  

      - 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: 🏗️ 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

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

  build-android:
    needs: [setup, build-sdk, configurations]
    name: Build Android
    runs-on: macOS-latest
    steps:
      - 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: 🚀 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 --target=lib/main/main.dart --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