verify-templates-dev-chain-spec.yml

name: Verify Templates Dev Chain Spec
on:
  push:
    branches:
      - master
  pull_request:
    types: [opened, synchronize, reopened, ready_for_review]

permissions:
  contents: read

jobs:
  setup:
    timeout-minutes: 60
    runs-on: ubuntu-latest
    strategy:
      matrix:
        template:
          - package_name: 'parachain-template-runtime'
            runtime_path: './templates/parachain/runtime'
            artifact_name: 'wasm-parachain-template-runtime'
            chain_spec_output: 'parachain_test_chain_spec.json'
            runtime_wasm_path: 'parachain-template-runtime/parachain_template_runtime.compact.compressed.wasm'
            relay_chain: 'rococo-local'
          - package_name: 'minimal-template-runtime'
            runtime_path: './templates/minimal/runtime'
            artifact_name: 'wasm-minimal-template-runtime'
            chain_spec_output: 'minimal_test_chain_spec.json'
            runtime_wasm_path: 'minimal-template-runtime/minimal_template_runtime.compact.compressed.wasm'
            relay_chain: 'dev'

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

      - name: Set rust version from env file
        run: |
          RUST_VERSION=$(cat .github/env | sed -E 's/.*ci-unified:([^-]+)-([^-]+).*/\2/')
          echo $RUST_VERSION
          echo "RUST_VERSION=${RUST_VERSION}" >> $GITHUB_ENV

      - name: Install Rust
        uses: actions-rust-lang/setup-rust-toolchain@11df97af8e8102fd60b60a77dfbf58d40cd843b8 # v1.10.1
        with:
          cache: false
          toolchain: ${{ env.RUST_VERSION }}
          components: cargo, clippy, rust-docs, rust-src, rustfmt, rustc, rust-std

      - name: Install srtool-cli
        run: |
          cargo install --git https://github.com/chevdor/srtool-cli
          echo "Using srtool-cli Version:"
          srtool --version

      - name: Pull srtool docker image
        run: |
          srtool pull

      - name: Prepare build directories
        run: |
          sudo mkdir -p ${{ matrix.template.runtime_path }}/target
          sudo chmod -R 777 ${{ matrix.template.runtime_path }}/target

      - name: Build runtime binary
        run: |
          srtool build --package ${{ matrix.template.package_name }} --runtime-dir ${{ matrix.template.runtime_path }} --root

      - name: Install staging-chain-spec-builder and deps
        run: |
          # Install protobuf compiler
          sudo apt-get update
          sudo apt-get install -y protobuf-compiler
          
          # Verify protoc installation
          protoc --version
          
          cargo install --path substrate/bin/utils/chain-spec-builder

      - name: Create chain spec
        run: |
          chain-spec-builder  -c ${{ matrix.template.chain_spec_output }}  create \
            --relay-chain "${{ matrix.template.relay_chain }}" \
            --para-id 1000 \
            --runtime "${{ matrix.template.runtime_path }}/target/srtool/release/wbuild/${{ matrix.template.runtime_wasm_path }}" \
            named-preset development

      - name: Upload chain spec artifact
        uses: actions/upload-artifact@v4.3.1
        with:
          name: ${{ matrix.template.chain_spec_output }}
          path: ${{ matrix.template.chain_spec_output }}

  verify-template-chain-specs:
    if: success()
    needs: setup
    runs-on: ubuntu-latest
    strategy:
      matrix:
        template:
          - runtime_path: './templates/parachain'
            chain_spec_output: 'parachain_test_chain_spec.json'
          - runtime_path: './templates/minimal'
            chain_spec_output: 'minimal_test_chain_spec.json'

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

      - name: Download generated spec
        uses: actions/download-artifact@v4.1.8
        with:
          name: ${{ matrix.template.chain_spec_output }}
          path: ./downloaded_spec

      - name: Compare chain specs
        run: |
          sudo apt-get update && sudo apt-get install -y jq
          # Check if files exist
          if [ ! -f "${{ matrix.template.runtime_path }}/dev_chain_spec.json" ]; then
            echo "❌ Reference spec not found at ${{ matrix.template.runtime_path }}/dev_chain_spec.json"
            exit 1
          fi

          if [ ! -f "./downloaded_spec/${{ matrix.template.chain_spec_output }}" ]; then
            echo "❌ Generated spec not found at ./downloaded_spec/${{ matrix.template.chain_spec_output }}"
            exit 1
          fi

          jq -S . ${{ matrix.template.runtime_path }}/dev_chain_spec.json > existing_spec_sorted.json
          jq -S . ./downloaded_spec/${{ matrix.template.chain_spec_output }} > generated_spec_sorted.json

          echo "❌ Spec files differ:"
          # Output the first 30 characters of each differing line for brevity
          diff -C 3 existing_spec_sorted.json generated_spec_sorted.json | while read -r line; do
          echo "${line:0:200}..."
          done

          # Exit with failure
          exit 1