add npm publishing to script

.github/workflows/create-release.yaml

@@ -9,7 +9,8 @@ on:
 
 jobs:
   create-release:
-    runs-on: ubuntu-latest
+    runs-on:
+      group: npm-deploy
     environment:
       name: release
     steps:
@@ -37,6 +38,26 @@ jobs:
         env:
           LATEST_TAG: ${{ steps.get_latest_tag.outputs.LATEST_TAG }}
 
+      - name: Update package.json version
+        run: |
+          new_version=${{ steps.increment_version.outputs.NEW_VERSION }}
+          jq --arg new_version "$new_version" '.version = $new_version' package.json > package.json.tmp && mv package.json.tmp package.json
+        env:
+          NEW_VERSION: ${{ steps.increment_version.outputs.NEW_VERSION }}
+
+      - name: Setup SSH
+        uses: webfactory/ssh-agent@dc588b651fe13675774614f8e6a936a468676387
+        with:
+          ssh-private-key: ${{ secrets.DEPLOY_KEY }}
+
+      - name: Commit updated package.json
+        run: |
+          git config --global user.name 'github-actions[bot]'
+          git config --global user.email 'github-actions[bot]@users.noreply.github.com'
+          git add package.json
+          git commit -m "Release ${{ steps.increment_version.outputs.NEW_VERSION }}"
+          git push
+
       - name: Generate changelog
         id: generate_changelog
         run: |
@@ -111,3 +132,24 @@ jobs:
             ${{ steps.generate_changelog.outputs.CHANGELOG }}
           draft: false
           prerelease: false
+
+      - name: Load npm secret
+        uses: 1password/load-secrets-action@581a835fb51b8e7ec56b71cf2ffddd7e68bb25e0
+        with:
+          # Export loaded secrets as environment variables
+          export-env: true
+        env:
+          OP_SERVICE_ACCOUNT_TOKEN: ${{ secrets.OP_SERVICE_ACCOUNT_TOKEN }}
+          # You may need to change this to your vault name and secret name
+          # Refer to it by calling env.NPM_TOKEN
+          # This token is also limited by IP to ONLY work on the runner
+          NPM_TOKEN: op://npm-deploy/npm-runner-token/secret
+
+      - name: Publish package to npm
+        uses: actions/setup-node@v4
+        with:
+          node-version: "20.x"
+          registry-url: "https://registry.npmjs.org"
+      - run: npm publish --provenance --access public
+        env:
+          NODE_AUTH_TOKEN: ${{ env.NPM_TOKEN }}

package.json

@@ -0,0 +1,18 @@
+{
+  "name": "@uniswap/interfaces",
+  "version": "0.0.1",
+  "description": "Smart contract interfaces of Uniswap protocol smart contracts",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/Uniswap/interfaces.git"
+  },
+  "author": "",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/Uniswap/interfaces/issues"
+  },
+  "homepage": "https://github.com/Uniswap/interfaces#readme",
+  "publishConfig": {
+    "access": "public"
+  }
+}