feat(ci): add evm coverage

.github/workflows/coverage.yml

@@ -0,0 +1,71 @@
+name: Coverage
+
+on:
+  pull_request:
+    branches:
+    - main
+
+permissions: read-all
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.sha }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    uses: unionlabs/workflows/.github/workflows/build.yml@d051991e4b808b70746fbef3900ed33307a65db6
+    secrets:
+      nixbuild_token: ${{ secrets.nixbuild_token }}
+      access-tokens: github.com=${{ secrets.GITHUB_TOKEN }}
+    with:
+      filter_builds: '(.top_attr == "packages") and (.system == "x86_64-linux") and (.attr == "evm-coverage")'
+
+
+  dl-lcov:
+    runs-on: ubuntu-latest
+    needs: [build]
+    permissions: write-all
+    strategy:
+      matrix:
+        system: [ x86_64-linux ]
+    steps:
+      - uses: actions/download-artifact@v3
+        with:
+          name: packages.${{ matrix.system }}.evm-coverage
+      - uses: nixbuild/nix-quick-install-action@v22
+      - uses: nixbuild/nixbuild-action@master
+        with:
+          nixbuild_token: ${{ secrets.nixbuild_token }}
+      - run: mkdir ${{ matrix.system }}
+      - run: |
+          echo "Getting OUTPUT and NARINFO_NAME"
+          OUTPUT=`cat result.json | jq -r '.packages."${{ matrix.system }}".evm-coverage.outputs.out'`
+          NARINFO_NAME=$(basename "$OUTPUT" | cut -d'-' -f1)
+
+          echo "Copying artifacts from nixbuild.net"
+          nix copy --to file://`pwd`/${{ matrix.system }} --from ssh-ng://eu.nixbuild.net $OUTPUT --extra-experimental-features nix-command
+
+          echo "Get the NAR_URL"
+          nar_url_line=$(cat ./${{ matrix.system }}/${NARINFO_NAME}.narinfo | grep "URL:")
+          NAR_URL=$(echo "$nar_url_line" | cut -d " " -f 2-)
+
+          echo "Restore the package from the NAR_URL archive"
+          cat ${{ matrix.system }}/${NAR_URL} | xz -dc | nix-store --restore ${{ matrix.system }}.evm-coverage
+
+          mv ${{ matrix.system }}.evm-coverage/lcov.info lcov.info
+      - uses: actions/upload-artifact@v3
+        with:
+          name: lcov.info
+          path: lcov.info
+
+  coverage_report:
+    - uses: actions/download-artifact@v3
+    - name: Report code coverage
+      uses: zgosalvez/github-actions-report-lcov@v3
+      with:
+        coverage-files: lcov.*.info
+        minimum-coverage: 90
+        artifact-name: code-coverage-report
+        github-token: ${{ secrets.GITHUB_TOKEN }}
+        working-directory: apps/my-first-app
+        update-comment: true