release.yml

# This workflow is borrowed from reth, which is borrowed from Lighthouse: 
# reth: https://github.com/paradigmxyz/reth/blob/500b0fac135fe07635d871d64467326599e2b27e/.github/workflows/release.yml
# lighthouse: https://github.com/sigp/lighthouse/blob/693886b94176faa4cb450f024696cb69cda2fe58/.github/workflows/release.yml

name: release

on:
 push:
    tags:
      - v*

env:
  REPO_NAME: ${{ github.repository_owner }}/era-test-node
  CARGO_TERM_COLOR: always

jobs:
  extract-version:
    name: extract version
    runs-on: ubuntu-latest
    steps:
      - name: Extract version
        run: echo "VERSION=$(echo ${GITHUB_REF#refs/tags/})" >> $GITHUB_OUTPUT
        id: extract_version
    outputs:
      VERSION: ${{ steps.extract_version.outputs.VERSION }}

  build:
    name: build release
    strategy:
      matrix:
        # TODO: fix and add aarch64-unknown-linux-gnu target
        # See: https://github.com/matter-labs/era-test-node/issues/56
        arch: [x86_64-unknown-linux-gnu, x86_64-apple-darwin, aarch64-apple-darwin]
        include:
          -   arch: x86_64-unknown-linux-gnu
              platform: ubuntu-20.04
          -   arch: x86_64-apple-darwin
              platform: macos-latest
          -   arch: aarch64-apple-darwin
              platform: macos-latest

    runs-on: ${{ matrix.platform }}
    needs: [extract-version]
    steps:
      - name: Checkout sources
        uses: actions/checkout@v3
      - name: Get latest version of stable Rust
        run: rustup update stable
      - name: Install target
        run: rustup target add ${{ matrix.arch }}
      - uses: Swatinem/rust-cache@v2
        with:
          cache-on-failure: true

      # ==============================
      #       Builds
      # ==============================
      - name: Build era-test-node for ${{ matrix.arch }}
        run: |
          cargo install cross
          make build-${{ matrix.arch }}
    
      - name: Rename and move binary
        run: |      
          mkdir artifacts
          mv target/${{ matrix.arch }}/release/era_test_node ./artifacts
      
      - name: Create artifacts
        run: |
          cd artifacts
          tar -czf era_test_node-${{ needs.extract-version.outputs.VERSION }}-${{ matrix.arch }}.tar.gz era_test_node*
          mv *tar.gz* ..
    
        # =======================================================================
        # Upload artifacts
        # This is required to share artifacts between different jobs
        # =======================================================================
      - name:  Upload artifact
        uses:  actions/upload-artifact@v3
        with:
          name: era_test_node-${{ needs.extract-version.outputs.VERSION }}-${{ matrix.arch }}.tar.gz
          path: era_test_node-${{ needs.extract-version.outputs.VERSION }}-${{ matrix.arch }}.tar.gz

      - name: Upload signature
        uses: actions/upload-artifact@v3
        with:
          name: era_test_node-${{ needs.extract-version.outputs.VERSION }}-${{ matrix.arch }}.tar.gz.asc
          path: era_test_node-${{ needs.extract-version.outputs.VERSION }}-${{ matrix.arch }}.tar.gz.asc

  draft-release:
    name: draft release
    needs:  [build, extract-version]
    runs-on: ubuntu-latest
    env:
      VERSION:  ${{ needs.extract-version.outputs.VERSION }}
    permissions:
      # Required to post the release
      contents: write
    steps:
      # This is necessary for generating the changelog. It has to come before "Download Artifacts" or else it deletes the artifacts.
      - name: Checkout sources
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      # ==============================
      #       Download artifacts
      # ==============================
      - name: Download artifacts
        uses: actions/download-artifact@v3

      # ==============================
      #       Create release draft
      # ==============================
      - name: Generate full changelog
        id: changelog
        run: |
          echo "CHANGELOG<<EOF" >> $GITHUB_OUTPUT
          echo "$(git log --pretty=format:"- %s" $(git describe --tags --abbrev=0 ${{ env.VERSION }}^)..${{ env.VERSION }})" >> $GITHUB_OUTPUT
          echo "EOF" >> $GITHUB_OUTPUT

      - name: Create release draft
        env:
          GITHUB_USER: ${{ github.repository_owner }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

        # The formatting here is borrowed from reth which borrowed it from Lighthouse (which is borrowed from OpenEthereum): https://github.com/openethereum/openethereum/blob/main/.github/workflows/build.yml
        run: |
          body=$(cat <<- "ENDBODY"
          # Release: <Release Name>
          
          ## 📋 Summary
          
          🐛 **Critical Bug Fixes:** 
          ✨ **New Features:** 
          ⚠️ **Breaking Changes:**
          
          ## 📜 All Changes
          
          ${{ steps.changelog.outputs.CHANGELOG }}
          
          ## 📥 Binaries
          
          | System | Architecture | Binary |
          |:---:|:---:|:---:|
          | <img src="https://simpleicons.org/icons/linux.svg" style="width: 32px;"/> | x86_64 | [era-test-node-${{ env.VERSION }}-x86_64-unknown-linux-gnu.tar.gz](https://github.com/${{ env.REPO_NAME }}/releases/download/${{ env.VERSION }}/era_test_node-${{ env.VERSION }}-x86_64-unknown-linux-gnu.tar.gz) | 
          | <img src="https://simpleicons.org/icons/apple.svg" style="width: 32px;"/> | x86_64 | [era-test-node-${{ env.VERSION }}-x86_64-apple-darwin.tar.gz](https://github.com/${{ env.REPO_NAME }}/releases/download/${{ env.VERSION }}/era_test_node-${{ env.VERSION }}-x86_64-apple-darwin.tar.gz) | 
          | <img src="https://simpleicons.org/icons/apple.svg" style="width: 32px;"/> | aarch64 | [era-test-node-${{ env.VERSION }}-aarch64-apple-darwin.tar.gz](https://github.com/${{ env.REPO_NAME }}/releases/download/${{ env.VERSION }}/era_test_node-${{ env.VERSION }}-aarch64-apple-darwin.tar.gz) |
          | | | | 
          ENDBODY
          )
          assets=()
          for asset in ./era_test_node-*.tar.gz*; do
              assets+=("-a" "$asset/$asset")
          done
          tag_name="${{ env.VERSION }}"
          echo "$body" | hub release create --draft "${assets[@]}" -F "-" "$tag_name"