nightly-backward-compatibility.yml

name: Nightly backward compatibility

on:
  # Important note about scheduled workflows:
  # Notifications for scheduled workflows are sent to the user who last modified the cron syntax in the workflow file.
  schedule:
    - cron: "30 2 * * *"
  workflow_dispatch:
    inputs:
      total-releases:
        description: "Total number of releases to test"
        required: true
        type: number
        default: 3
      cardano-node-version:
        description: "Cardano node version used in e2e"
        required: true
        type: string
        default: "10.1.1"

jobs:
  prepare-env-variables:
    runs-on: ubuntu-22.04
    outputs:
      total_releases: ${{ steps.set-env.outputs.total_releases }}
      cardano_node_version: ${{ steps.set-env.outputs.cardano_node_version }}
    steps:
      - name: Prepare env variables
        id: set-env
        run: |
          if [[ "${{ github.event_name }}" == "schedule" ]]; then
            echo "total_releases=3" >> $GITHUB_OUTPUT
            echo 'cardano_node_version=["10.1.1"]' >> $GITHUB_OUTPUT
          else
            echo "total_releases=${{ inputs.total-releases }}" >> $GITHUB_OUTPUT
            echo "cardano_node_version=[\"${{ inputs.cardano-node-version }}\"]" >> $GITHUB_OUTPUT
          fi

  prepare-binaries:
    runs-on: ubuntu-22.04
    needs: [prepare-env-variables]
    outputs:
      tags: ${{ steps.tags-test-lab.outputs.tags }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Download releases artifacts binaries
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          ./.github/workflows/scripts/download-distribution-binaries.sh ${{ needs.prepare-env-variables.outputs.total_releases }}

      - name: Install stable toolchain
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: stable

      - name: Build e2e
        run: |
          cargo build --release --bin mithril-end-to-end
          cp ./target/release/mithril-end-to-end ./mithril-binaries/unstable

      - name: Upload Mithril binaries
        uses: actions/upload-artifact@v4
        with:
          name: mithril-binaries
          path: ./mithril-binaries

      - name: Prepare test lab tags
        id: tags-test-lab
        run: |
          TAGS=$(jq -c '.' ./mithril-binaries/tags.json)
          echo "Test Lab Tags: $TAGS"
          echo "tags=$TAGS" >> $GITHUB_OUTPUT

  e2e:
    runs-on: ubuntu-22.04
    needs: [prepare-env-variables, prepare-binaries]
    strategy:
      fail-fast: false
      matrix:
        tag: ${{ fromJSON(needs.prepare-binaries.outputs.tags) }}
        node: [mithril-aggregator, mithril-client, mithril-signer]
        cardano_node_version: ${{ fromJSON(needs.prepare-env-variables.outputs.cardano_node_version) }}
        run_id: ["#1"]

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Download binaries
        uses: actions/download-artifact@v4
        with:
          name: mithril-binaries
          path: ./mithril-binaries

      - name: Prepare binaries
        run: |
          mkdir -p mithril-binaries/e2e
          cp ./mithril-binaries/unstable/* ./mithril-binaries/e2e
          cp --remove-destination ./mithril-binaries/${{ matrix.tag }}/${{ matrix.node }} ./mithril-binaries/e2e/

          chmod +x ./mithril-binaries/e2e/mithril-aggregator
          chmod +x ./mithril-binaries/e2e/mithril-client
          chmod +x ./mithril-binaries/e2e/mithril-signer
          chmod +x ./mithril-binaries/e2e/mithril-relay
          chmod +x ./mithril-binaries/e2e/mithril-end-to-end
          mkdir artifacts

      - name: Run E2E tests
        run: |
          ./mithril-binaries/e2e/mithril-end-to-end -vvv \
            --bin-directory ./mithril-binaries/e2e \
            --work-directory=./artifacts \
            --devnet-scripts-directory=./mithril-test-lab/mithril-devnet \
            --cardano-node-version ${{ matrix.cardano_node_version }} \
            --cardano-slot-length 0.25 \
            --cardano-epoch-length 45.0 \
          && echo "SUCCESS=true" >> $GITHUB_ENV \
          || (echo "SUCCESS=false" >> $GITHUB_ENV && exit 1)

      - name: Define the JSON file name for the test result
        if: always()
        run: echo "RESULT_FILE_NAME=e2e-test-result-run_${{ github.run_number }}-attempt_${{ github.run_attempt }}-tag_${{ matrix.tag }}-node-${{ matrix.node }}-cardano-${{ matrix.cardano_node_version }}-run_id_${{ matrix.run_id }}" >> $GITHUB_ENV

      - name: Write test result JSON
        if: always()
        run: |
          AGGREGATOR_TAG="unstable"
          SIGNER_TAG="unstable"
          CLIENT_TAG="unstable"

          case "$NODE" in
            mithril-aggregator)
              AGGREGATOR_TAG="${{ matrix.tag }}"
              ;;
            mithril-signer)
              SIGNER_TAG="${{ matrix.tag }}"
              ;;
            mithril-client)
              CLIENT_TAG="${{ matrix.tag }}"
              ;;
          esac

          jq -n --arg TAG "${{ matrix.tag }}" \
                --arg NODE "${{ matrix.node }}" \
                --arg CARDANO_NODE "${{ matrix.cardano_node_version }}" \
                --arg AGGREGATOR "$AGGREGATOR_TAG" \
                --arg SIGNER "$SIGNER_TAG" \
                --arg CLIENT "$CLIENT_TAG" \
                --argjson SUCCESS "${{ env.SUCCESS }}" \
                '{tag: $TAG, node: $NODE, mithril_signer: $SIGNER, mithril_aggregator: $AGGREGATOR, mithril_client: $CLIENT, cardano_node_version: $CARDANO_NODE, success: $SUCCESS}' \
                > ./${{ env.RESULT_FILE_NAME }}.json

      - name: Upload test result JSON
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: ${{ env.RESULT_FILE_NAME }}
          path: ./${{ env.RESULT_FILE_NAME }}.json

      - name: Upload E2E Tests Artifacts
        if: ${{ failure() }}
        uses: actions/upload-artifact@v4
        with:
          name: mithril-e2e-tests-artifacts-run_${{ github.run_number }}-attempt_${{ github.run_attempt }}-tag_${{ matrix.tag }}-node-${{ matrix.node }}-cardano-${{ matrix.cardano_node_version }}-run_id_${{ matrix.run_id }}
          path: |
            ./artifacts/*
            # including node.sock makes the upload fails so exclude them:
            !./artifacts/**/node.sock
            # exclude cardano tools, saving ~50mb of data:
            !./artifacts/devnet/cardano-cli
            !./artifacts/devnet/cardano-node
          if-no-files-found: error

  summarize-test-results:
    runs-on: ubuntu-22.04
    needs: [e2e]
    if: always()

    steps:
      - name: Download all test result artifacts
        uses: actions/download-artifact@v4
        with:
          path: ./test-results
          pattern: e2e-test-result*
          merge-multiple: true

      - name: Concatenate JSON result files into summary.json
        run: |
          jq -s '.' ./test-results/e2e-test-result-*.json > ./test-results/summary.json

      - name: Add distributions backward compatibility summary
        run: |
          CHECK_MARK=":heavy_check_mark:"
          CROSS_MARK=":no_entry:"

          echo "## Distributions backward compatibility" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY

          echo "This is the compatibility report of previous distributions nodes with the current unstable nodes." >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY

          echo "| Compatibility | mithril-signer | mithril-aggregator | mithril-client |" >> $GITHUB_STEP_SUMMARY
          echo "| --- | :---: | :---: | :---: |" >> $GITHUB_STEP_SUMMARY

          # Transform summary.json into Markdown table rows
          jq -r --arg CHECK_MARK "$CHECK_MARK" --arg CROSS_MARK "$CROSS_MARK" \
            'group_by(.tag) |
            sort_by(.[0].tag | tonumber) | reverse |
            .[] |
            {
              tag: .[0].tag, 
              signer: (map(select(.node == "mithril-signer") | if .success then $CHECK_MARK else $CROSS_MARK end) | join("")),
              aggregator: (map(select(.node == "mithril-aggregator") | if .success then $CHECK_MARK else $CROSS_MARK end) | join("")),
              client: (map(select(.node == "mithril-client") | if .success then $CHECK_MARK else $CROSS_MARK end) | join(""))
            } |
            "| `\(.tag)` | \(.signer) | \(.aggregator) | \(.client) |"' "./test-results/summary.json" >> $GITHUB_STEP_SUMMARY

          cat "$GITHUB_STEP_SUMMARY"