add workflow files for npm

.github/actions/setup-and-build/action.yml

@@ -0,0 +1,58 @@
+name: "Setup and build the repo"
+description: "A task to reuse setup steps during multiple jobs"
+inputs:
+  node:
+    description: Node version
+    required: true
+
+runs:
+  using: "composite"
+  steps:
+    - name: Setup Node
+      uses: actions/setup-node@v4
+      with:
+        node-version: ${{inputs.node}}
+        check-latest: true
+        cache: yarn
+
+    - name: Node.js version
+      id: node
+      shell: bash
+      run: echo "v8CppApiVersion=$(node --print "process.versions.modules")" >> $GITHUB_OUTPUT
+
+    - name: Restore build
+      uses: actions/cache/restore@v4
+      id: cache-build-restore
+      with:
+        path: |
+          node_modules
+          packages/*/node_modules
+          lib/
+          packages/*/lib
+          packages/*/.git-data.json
+        key: ${{ runner.os }}-${{ runner.arch }}-node-${{ inputs.node }}-${{ github.sha }}
+
+    - name: Install & build
+      if: steps.cache-build-restore.outputs.cache-hit != 'true'
+      shell: bash
+      run: yarn install --frozen-lockfile && yarn build
+
+    - name: Build
+      if: steps.cache-build-restore.outputs.cache-hit == 'true'
+      shell: bash
+      run: yarn build
+
+    - name: Check Build
+      shell: bash
+      run: yarn check-build
+
+    - name: Cache build artifacts
+      uses: actions/cache@master
+      with:
+        path: |
+          node_modules
+          packages/*/node_modules
+          lib/
+          packages/*/lib
+          packages/*/.git-data.json
+        key: ${{ runner.os }}-${{ runner.arch }}-node-${{ inputs.node }}-${{ github.sha }}

.github/workflows/binaries.yml

@@ -0,0 +1,56 @@
+name: Build binaries
+
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        required: true
+        type: string
+  workflow_call:
+    inputs:
+      version:
+        required: true
+        type: string
+
+jobs:
+  binaries:
+    name: Build skandha binaries
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: ubuntu-latest
+            platform: linux
+            arch: amd64
+          - os: skandha-arm64-runner
+            platform: linux
+            arch: arm64
+    runs-on: ${{matrix.os}}
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install arm64 specifics
+        if: matrix.arch == 'arm64'
+        run: |-
+          # Install missing yarn
+          # See https://github.com/github-early-access/arm-runners-beta/issues/5
+          curl -fsSL --create-dirs -o $HOME/bin/yarn \
+          https://github.com/yarnpkg/yarn/releases/download/v1.22.22/yarn-1.22.22.js
+          chmod +x $HOME/bin/yarn
+          echo "$HOME/bin" >> $GITHUB_PATH
+          # Install missing build-essential
+          sudo apt-get update
+          sudo apt-get install -y build-essential
+      - uses: "./.github/actions/setup-and-build"
+        with:
+          node: 20
+      - run: |
+          mkdir -p dist
+          yarn global add [email protected]
+          npx caxa -m "Unpacking skandha binary, please wait..." -D -p "yarn install --frozen-lockfile --production" --input . --output "skandha" -- "{{caxa}}/node_modules/.bin/node" "--max-old-space-size=8192" "{{caxa}}/node_modules/.bin/skandha"
+          tar -czf "dist/skandha-${{ inputs.version }}-${{ matrix.platform }}-${{ matrix.arch }}.tar.gz" "skandha"
+      - name: Upload binaries
+        uses: actions/upload-artifact@v4
+        with:
+          name: binaries-${{ matrix.os }}
+          path: dist/
+          if-no-files-found: error

.github/workflows/release.yml

@@ -6,7 +6,97 @@ on:
       - "master"
 
 jobs:
-  build:
+  tag:
+    name: Check tag
+    runs-on: buildjet-4vcpu-ubuntu-2204
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Get tag
+        id: get_tag
+        run: echo "tag=${GITHUB_REF/refs\/tags\//}" >> $GITHUB_OUTPUT
+
+      - name: Assert tag == package.json version
+        run: .github/workflows/scripts/assert-same-package-version.sh
+        env:
+          TAG: ${{ steps.get_tag.outputs.tag }}
+
+      - name: Get previous tag
+        id: get_prev_tag
+        run: node tasks/get_prev_tag.js
+        env:
+          CURRENT_TAG: ${{ steps.get_tag.outputs.tag }}
+          IGNORE_PATTERN: rc
+
+      - name: Determine release type
+        id: release_type
+        run: |
+          TAG_COMMIT=$(git log --pretty="%h" -n 1 $GITHUB_REF)
+          echo "tag_commit=$TAG_COMMIT" >> $GITHUB_OUTPUT
+    outputs:
+      tag: ${{ steps.get_tag.outputs.tag }}
+      prev_tag: ${{ steps.get_prev_tag.outputs.prev_tag }}
+
+  binaries:
+    name: Build lodestar binaries
+    uses: ./.github/workflows/binaries.yml
+    needs: tag
+    with:
+      version: ${{ needs.tag.outputs.tag }}
+
+  npm:
+    name: Publish to NPM & Github
+    runs-on: buildjet-4vcpu-ubuntu-2204
+    needs: [tag, binaries]
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0 # Needs full depth for changelog generation
+
+      - uses: "./.github/actions/setup-and-build"
+        with:
+          node: 20
+
+      - name: Get binaries
+        uses: actions/download-artifact@v4
+        with:
+          path: dist/
+          merge-multiple: true
+
+      - name: Create Release
+        id: create_release
+        uses: softprops/action-gh-release@v2
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          files: dist/*
+          fail_on_unmatched_files: true
+          tag_name: ${{ needs.tag.outputs.tag }}
+          body_path: "CHANGELOG.md"
+          name: Release ${{ needs.tag.outputs.tag }}
+          prerelease: false
+      - run: echo //registry.npmjs.org/:_authToken=${NPM_TOKEN} > .npmrc
+        env:
+          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
+
+      - name: Publish to npm registry (release)
+        run: yarn run release:publish
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
+
+      - name: Rollback on failure
+        if: failure()
+        uses: author/action-rollback@9ec72a6af74774e00343c6de3e946b0901c23013
+        with:
+          id: ${{ steps.create_release.outputs.id }}
+          tag: ${{ needs.tag.outputs.tag }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+  docker:
     runs-on: ubuntu-latest
     steps:
       -

tasks/get_prev_tag.js

@@ -0,0 +1,46 @@
+/* eslint-disable no-console,
+  @typescript-eslint/explicit-function-return-type,
+  @typescript-eslint/no-var-requires,
+  @typescript-eslint/no-require-imports */
+
+// Script used in .github/workflows/release.yml to get the previous tag
+// to generate a changelog from 'prev_tag' to 'tag'
+// Returns the most recent tag that:
+// - is not equal to CURRENT_TAG
+// - does not contain IGNORE_PATTERN
+//
+// Outputs to output.prev_tag
+
+const { exec } = require("node:child_process");
+const { promisify } = require("node:util");
+
+async function run() {
+  const { CURRENT_TAG, IGNORE_PATTERN } = process.env;
+  if (!CURRENT_TAG) throw Error("CURRENT_TAG must be defined");
+  if (!IGNORE_PATTERN) throw Error("IGNORE_PATTERN must be defined");
+
+  const { stdout } = await promisify(exec)("git tag --sort=-version:refname");
+  // Returns sorted list of tags
+  // v0.32.0
+  // v0.31.0
+  // v0.30.0
+  // v0.29.3
+
+  // Pick the first tag that doesn't match current tag
+  const tags = stdout.trim().split("\n");
+  for (const tag of tags) {
+    if (tag !== CURRENT_TAG && !tag.includes(IGNORE_PATTERN)) {
+      const cmd = `echo "prev_tag=${tag}" >> ${process.env.GITHUB_OUTPUT}`;
+      console.log("Execute command on shell", cmd);
+      await promisify(exec)(cmd);
+      return;
+    }
+  }
+
+  throw Error("No tag found");
+}
+
+run().catch((e) => {
+  console.error(e);
+  process.exit(1);
+});