breez-sdk-liquid/.github/workflows/build-bindings-linux.yml

name: Build bindings for Linux
on:
  workflow_dispatch:
    inputs:
      ref:
        description: 'commit/tag/branch reference'
        required: true
        type: string
  workflow_call:
    inputs:
      repository:
        description: 'sdk repository, defaults to current repository'
        required: false
        type: string
      ref:
        description: 'commit/tag/branch reference'
        required: true
        type: string
      use-dummy-binaries:
        description: 'If true, creates dummy binaries rather than real binaries'
        required: false
        type: boolean
        default: false
      uniffi-25:
        description: 'If true, builds additional bindings for Uniffi 0.25'
        required: false
        type: boolean
        default: false

jobs:
  setup:
    name: Setup
    runs-on: ubuntu-latest
    steps:
      - id: set-matrix
        run: |
          if [ ${{ inputs.uniffi-25 }} == true ]; then
            echo "::set-output name=matrix::['', '-uniffi-25']"
          else
            echo "::set-output name=matrix::['']"
          fi
    outputs:
      uniffi-matrix: ${{ steps.set-matrix.outputs.matrix }}

  build:
    if: ${{ !inputs.use-dummy-binaries }}
    runs-on: ubuntu-20.04
    name: build ${{ matrix.target }}${{ matrix.uniffi }}
    needs: setup
    strategy:
      matrix:
        uniffi: ${{ fromJson(needs.setup.outputs.uniffi-matrix) }}
        target: [
          aarch64-unknown-linux-gnu,
          x86_64-unknown-linux-gnu,
        ]
    steps:
    - name: checkout
      uses: actions/checkout@v4
      with: 
        ref: ${{ inputs.ref }}
        repository: ${{ inputs.repository || github.repository }}

    - name: Install rust toolchain
      run: |
        rustup set auto-self-update disable
        rustup toolchain install stable --profile minimal
        rustup target add ${{ matrix.target }}

    - name: Install Protoc
      uses: arduino/setup-protoc@v3
      with:
        version: "27.2"
        repo-token: ${{ secrets.GITHUB_TOKEN }}
        
    - name: Install gcc-aarch64-linux-gnu
      if: matrix.target == 'aarch64-unknown-linux-gnu'
      run: |
        sudo apt-get update -y
        sudo apt-get install -y gcc-aarch64-linux-gnu g++-aarch64-linux-gnu 

    - name: Install gcc-x86-64-linux-gnu
      if: matrix.target == 'x86_64-unknown-linux-gnu'
      run: |
        sudo apt-get update -y
        sudo apt-get install -y gcc-x86-64-linux-gnu g++-x86-64-linux-gnu 

    - uses: Swatinem/rust-cache@v2
      with:
        key: ${{ matrix.uniffi }}
        workspaces: lib

    - name: Build bindings
      if: matrix.uniffi != '-uniffi-25'
      working-directory: lib/bindings
      env:
          CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER: /usr/bin/aarch64-linux-gnu-gcc
          CARGO_TARGET_X86_64_UNKNOWN_LINUX_GNU_LINKER: /usr/bin/x86_64-linux-gnu-gcc
      run: cargo build --release --target ${{ matrix.target }}

    - name: Build bindings Uniffi 0.25
      if: matrix.uniffi == '-uniffi-25'
      working-directory: lib/bindings
      env:
          CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER: /usr/bin/aarch64-linux-gnu-gcc
          CARGO_TARGET_X86_64_UNKNOWN_LINUX_GNU_LINKER: /usr/bin/x86_64-linux-gnu-gcc
      run: cargo build --no-default-features --features=uniffi-25 --release --target ${{ matrix.target }}
    
    - name: Archive release
      uses: actions/upload-artifact@v4
      with:
        name: bindings-${{ matrix.target }}${{ matrix.uniffi }}
        path: lib/target/${{ matrix.target }}/release/libbreez_sdk_liquid_bindings.so

  build-dummies:
    if: ${{ inputs.use-dummy-binaries }}
    runs-on: ubuntu-latest
    name: build dummies ${{ matrix.target }}${{ matrix.uniffi }}
    needs: setup
    strategy:
      matrix:
        uniffi: ${{ fromJson(needs.setup.outputs.uniffi-matrix) }}
        target: [
          aarch64-unknown-linux-gnu,
          x86_64-unknown-linux-gnu,
        ]
    steps:
      - name: Build dummy linux ${{ matrix.target }}
        run: |
          touch libbreez_sdk_liquid_bindings.so

      - name: Upload dummy linux ${{ matrix.target }} artifact
        uses: actions/upload-artifact@v4
        with:
          name: bindings-${{ matrix.target }}${{ matrix.uniffi }}
          path: ./*