Add publish to IPFS workflow

.github/workflows/publish_to_ipfs.yml

@@ -0,0 +1,82 @@
+name: Publish contracts to IPFS
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+permissions:
+  contents: write
+
+jobs:
+  # For non-main branches, only push to IPFS so we can test it
+  push:
+    runs-on: ubuntu-latest
+    if: github.ref != 'refs/heads/main'
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 12.x
+      - run: npm run prepublish
+      - name: Upload to IPFS
+        id: upload_to_ipfs
+        uses: aquiladev/[email protected]
+        with:
+          path: ./out/pools.json
+          service: pinata
+          pinataPinName: mainnet-pools-$GITHUB_SHA
+          pinataKey: ${{ secrets.PINATA_KEY }}
+          pinataSecret: ${{ secrets.PINATA_SECRET }}
+
+  # For the main branch, push to IPFS and create a release
+  release:
+    runs-on: ubuntu-latest
+    if: github.ref == 'refs/heads/main'
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 12.x
+      - run: npm run prepublish
+      - name: Upload to IPFS
+        id: upload_to_ipfs
+        uses: aquiladev/[email protected]
+        with:
+          path: ./out/pools.json
+          service: pinata
+          pinataPinName: mainnet-pools-$GITHUB_SHA
+          pinataKey: ${{ secrets.PINATA_KEY }}
+          pinataSecret: ${{ secrets.PINATA_SECRET }}
+      - id: vars
+        shell: bash
+        run: |
+          echo "::set-output name=sha_short::$(git rev-parse --short HEAD)"
+      - name: Create Release
+        id: create_release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ steps.vars.outputs.sha_short }}
+          release_name: Release ${{ steps.vars.outputs.sha_short }}
+          body: |
+            IPFS Hash: ${{ steps.upload_to_ipfs.outputs.hash }}
+            https://cloudflare-ipfs.com/ipfs/${{ steps.upload_to_ipfs.outputs.hash }}
+          draft: false
+          prerelease: false
+      - name: Upload Release Asset
+        id: upload-release-asset
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }} # This pulls from the CREATE RELEASE step above, referencing it's ID to get its outputs object, which include a `upload_url`. See this blog post for more info: https://jasonet.co/posts/new-features-of-github-actions/#passing-data-to-future-steps
+          asset_path: ./out/pools.json
+          asset_name: pools.json
+          asset_content_type: application/json