release.yml

name: Create Release

on:
  push:
    branches: [ "main" ]
    paths: [ "CHANGELOG.md" ]
  workflow_dispatch:

jobs:
  collect-release-information:
    runs-on: ubuntu-latest
    outputs:
      should-release: ${{ steps.run.outputs.should-release }}
      version: ${{ steps.run.outputs.version }}
    steps:
      - uses: actions/checkout@v4
      - id: run
        run: |
          echo "should-release=$(.github/changelog-processor.py CHANGELOG.md --should-release)" >> $GITHUB_OUTPUT
          echo "version=$(.github/changelog-processor.py CHANGELOG.md --print-latest-version)" >> $GITHUB_OUTPUT
          cat $GITHUB_OUTPUT
  runtime-matrix:
    needs: [ collect-release-information ]
    if: needs.collect-release-information.outputs.should-release == '1'
    runs-on: ubuntu-latest
    outputs:
      runtime: ${{ steps.runtime.outputs.runtime }}
    steps:
      - uses: actions/checkout@v4
      - id: runtime
        run: |
          TASKS=$(echo $(cat .github/workflows/runtimes-matrix.json) | sed 's/ //g' )
          echo $TASKS
          echo "runtime=$TASKS" >> $GITHUB_OUTPUT
  build-runtimes:
    needs: [ runtime-matrix ]
    continue-on-error: true
    runs-on: ubuntu-latest
    strategy:
      matrix:
        runtime: ${{ fromJSON(needs.runtime-matrix.outputs.runtime) }}
    steps:
      - name: Checkout sources
        uses: actions/checkout@v4

      - name: Cache target dir
        uses: actions/cache@v4
        with:
          path: "${{ github.workspace }}/${{ matrix.runtime.path }}/target"
          key: srtool-target-${{ matrix.runtime.path }}-${{ matrix.runtime.name }}-${{ github.sha }}
          restore-keys: |
            srtool-target-${{ matrix.runtime.path }}-${{ matrix.runtime.name }}-
            srtool-target-${{ matrix.runtime.path }}-

      - name: Build ${{ matrix.runtime.name }}
        id: srtool_build
        uses: chevdor/srtool-actions@v0.8.0
        env:
          BUILD_OPTS: "--features on-chain-release-build"
        with:
          chain: ${{ matrix.runtime.name }}
          package: ${{ matrix.runtime.package }}
          runtime_dir: ${{ matrix.runtime.path }}
          profile: "production"

      - name: Store ${{ matrix.runtime.name }} srtool digest to disk
        run: |
          echo '${{ steps.srtool_build.outputs.json }}' | jq > ${{ matrix.runtime.name }}_srtool_output.json

      - name: Upload ${{ matrix.runtime.name }} srtool json
        uses: actions/upload-artifact@v4
        with:
          name: ${{ matrix.runtime.name }}-srtool-json
          path: ${{ matrix.runtime.name }}_srtool_output.json

      - name: Upload  ${{ matrix.runtime.name }}
        uses: actions/upload-artifact@v4
        with:
          name: ${{ matrix.runtime.name }}
          path: |
            ${{ steps.srtool_build.outputs.wasm_compressed }}

  publish-release:
    runs-on: ubuntu-latest
    needs: [ build-runtimes, collect-release-information ]
    outputs:
      release_url: ${{ steps.create-release.outputs.html_url }}
      asset_upload_url: ${{ steps.create-release.outputs.upload_url }}
    steps:
      - name: Checkout sources
        uses: actions/checkout@v4

      - name: Download srtool json output
        uses: actions/download-artifact@v4

      - name: Archive context output
        uses: actions/upload-artifact@v4
        with:
          name: release-notes-context
          path: |
            **/*_srtool_output.json

      - name: Add runtime info to changelog
        run: |
          CONTEXT=$(find . -name '*_srtool_output.json')
          SRTOOL() { <$(<<<$CONTEXT head -n1) jq -r .$1; }
          WASM() { <${JSON} jq -r ".runtimes.compressed.subwasm.$1"; }

          # Copy the relevant parts of the changelog
          .github/changelog-processor.py CHANGELOG.md --print-changelog-from-last-release > DRAFT

          tee -a DRAFT <<-EOF
          # Runtime info
          *These runtimes were built with **$(SRTOOL rustc)** using **[$(SRTOOL gen)](https://github.com/paritytech/srtool)***

          To replicate the build, use the following command:
          \`\`\`sh
          srtool build
                 --root --profile production
                 --package CRATE_NAME --runtime-dir PATH_TO_CRATE
                 --build-opts="--features=on-chain-release-build"
          \`\`\`
          EOF

          for JSON in $(<<<$CONTEXT sort -sr)
          do
          SPEC_NAME=$(WASM 'core_version.specName')
          # Check for spec names and adjust the heading accordingly
          if [[ "$SPEC_NAME" == "statemint" ]]; then
              HEADING="Asset Hub Polkadot (previously Statemint)"
          elif [[ "$SPEC_NAME" == "statemine" ]]; then
              HEADING="Asset Hub Kusama (previously Statemine)"
          else
              HEADING=$(WASM 'core_version.specName / "-" | map(. / "" | first |= ascii_upcase | add) | join(" ")')
          fi

          tee -a DRAFT <<-EOF

          ## $HEADING
          ~~~
          🏋️ Runtime Size:           $(numfmt --to iec-i --format "%.2f" $(WASM size)) ($(WASM size) bytes)
          🗜 Compressed:             $(WASM 'compression | if .compressed then "Yes: \(1 - .size_compressed / .size_decompressed | . * 10000 | round / 100)%" else "No" end')
          🔥 Core Version:           $(WASM 'core_version | "\(.specName)-\(.specVersion) \(.implName)-\(.implVersion).tx\(.transactionVersion).au\(.authoringVersion)"')
          🎁 Metadata version:       V$(WASM metadata_version)
          🗳️ Blake2-256 hash:        $(WASM blake2_256)
          📦 IPFS:                   $(WASM ipfs_hash)
          ~~~
          EOF
          done

      - name: Create release
        id: create-release
        # TODO: Replace as it has been deprecated
        uses: actions/create-release@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          tag_name: ${{ format('v{0}', needs.collect-release-information.outputs.version) }}
          release_name: Runtimes ${{ needs.collect-release-information.outputs.version }}
          body_path: DRAFT
          draft: false

  publish-runtimes:
    needs: [ runtime-matrix, publish-release ]
    continue-on-error: true
    runs-on: ubuntu-latest
    env:
      RUNTIME_DIR: runtime
    strategy:
      matrix:
        runtime: ${{ fromJSON(needs.runtime-matrix.outputs.runtime) }}
    steps:
      - name: Checkout sources
        uses: actions/checkout@v4

      - name: Download artifacts
        uses: actions/download-artifact@v4

      - name: Get runtime info
        env:
          JSON: release-notes-context/${{ matrix.runtime.name }}-srtool-json/${{ matrix.runtime.name }}_srtool_output.json
        run: |
          >>$GITHUB_ENV echo ASSET=$(find ${{ matrix.runtime.name }} -name '*.compact.compressed.wasm')
          >>$GITHUB_ENV echo SPEC=$(<${JSON} jq -r .runtimes.compact.subwasm.core_version.specVersion)

      - name: Upload compressed ${{ matrix.runtime.name }} v${{ env.SPEC }} wasm
        # TODO: Replace as it has been deprecated
        uses: actions/upload-release-asset@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          upload_url: ${{ needs.publish-release.outputs.asset_upload_url }}
          asset_path: ${{ env.ASSET }}
          asset_name: ${{ matrix.runtime.name }}_runtime-v${{ env.SPEC }}.compact.compressed.wasm
          asset_content_type: application/wasm