[added] badges on a per-package level with flags

.changeset/seven-geese-whisper.md

+---
+'@eth-optimism/batch-submitter': patch
+'@eth-optimism/core-utils': patch
+'@eth-optimism/data-transport-layer': patch
+'@eth-optimism/message-relayer': patch
+---
+
+Added coverage for packages

.github/workflows/ts-packages.yml

@@ -60,45 +60,8 @@ jobs:
         env:
           CC_SECRET: ${{ secrets.CC_SECRET }}
 
-  # A hack that allows running a job only if a specific directory changed.
-  # Ref: https://github.community/t/run-job-only-if-folder-changed/118292
-  is-contracts-package:
-    name: Check files for changes to the contracts package
-    # This job will break on a push event, so we just skip it,
-    # which in turn skips the test-coverage job.
-    if: ${{ github.event_name != 'push' }}
-    outputs:
-      run_coverage: ${{ steps.check_files.outputs.run_coverage }}
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v2
-      - run: git fetch origin $GITHUB_BASE_REF
-
-      - name: check modified files
-        id: check_files
-        run: |
-          echo "=============== list modified files ==============="
-          git diff --name-only origin/$GITHUB_BASE_REF HEAD -- .
-
-          echo "========== check paths of modified files =========="
-          git diff --name-only origin/$GITHUB_BASE_REF HEAD -- . > files.txt
-          while IFS= read -r file
-          do
-            echo $file
-            if [[ $file != packages/contracts/* ]]; then
-              echo "This modified files are not in the contracts package."
-              echo "::set-output name=run_coverage::false"
-              break
-            else
-              echo "::set-output name=run_coverage::true"
-            fi
-          done < files.txt
-
   test-coverage:
     name: Generate test coverage
-    needs: is-contracts-package
-    if: needs.is-contracts-package.outputs.run_coverage == 'true'
     runs-on: ubuntu-latest
 
     steps:
@@ -142,6 +105,31 @@ jobs:
           files: ./packages/contracts/coverage.json
           fail_ci_if_error: false
           verbose: true
+          flags: contracts
+      - uses: codecov/codecov-action@v1
+        with:
+          files: ./packages/core-utils/coverage.json
+          fail_ci_if_error: false
+          verbose: true
+          flags: core-utils
+      - uses: codecov/codecov-action@v1
+        with:
+          files: ./packages/batch-submitter/coverage.json
+          fail_ci_if_error: false
+          verbose: true
+          flags: batch-submitter
+      - uses: codecov/codecov-action@v1
+        with:
+          files: ./packages/data-transport-layer/coverage.json
+          fail_ci_if_error: false
+          verbose: true
+          flags: data-transport-layer
+      - uses: codecov/codecov-action@v1
+        with:
+          files: ./packages/message-relayer/coverage.json
+          fail_ci_if_error: false
+          verbose: true
+          flags: message-relayer
   lint:
     name: Linting
     runs-on: ubuntu-latest

.gitignore

@@ -3,6 +3,7 @@ node_modules
 results
 temp
 .nyc_output
+coverage.json
 *.tsbuildinfo
 
 dist

packages/batch-submitter/README.md

+[![codecov](https://codecov.io/gh/ethereum-optimism/optimism/branch/master/graph/badge.svg?token=0VTG7PG7YR&flag=batch-submitter)](https://codecov.io/gh/ethereum-optimism/optimism)
 # Batch Submitter
 
 Contains an executable batch submitter service which watches L1 and a local L2 node and submits batches to the

packages/batch-submitter/package.json

@@ -16,7 +16,8 @@
     "pre-commit": "lint-staged",
     "lint:fix": "yarn lint:check --fix",
     "lint:check": "eslint .",
-    "test": "hardhat test --show-stack-traces"
+    "test": "hardhat test --show-stack-traces",
+    "test:coverage": "nyc hardhat test && nyc merge .nyc_output coverage.json"
   },
   "keywords": [
     "optimism",

packages/contracts/README.md

-[![codecov](https://codecov.io/gh/ethereum-optimism/optimism/branch/master/graph/badge.svg?token=0VTG7PG7YR)](https://codecov.io/gh/ethereum-optimism/optimism)
+[![codecov](https://codecov.io/gh/ethereum-optimism/optimism/branch/master/graph/badge.svg?token=0VTG7PG7YR&flag=contracts)](https://codecov.io/gh/ethereum-optimism/optimism)
 
 # Optimistic Ethereum Smart Contracts
 

packages/core-utils/README.md

+[![codecov](https://codecov.io/gh/ethereum-optimism/optimism/branch/master/graph/badge.svg?token=0VTG7PG7YR&flag=core-utils)](https://codecov.io/gh/ethereum-optimism/optimism)
+
 # @eth-optimism/core-utils
 
 ## What is this?

packages/core-utils/package.json

@@ -17,7 +17,8 @@
     "lint:check": "eslint .",
     "lint:fix": "yarn lint:check --fix",
     "pre-commit": "lint-staged",
-    "test": "ts-mocha test/**/*.spec.ts"
+    "test": "ts-mocha test/**/*.spec.ts",
+    "test:coverage": "nyc ts-mocha test/**/*.spec.ts && nyc merge .nyc_output coverage.json"
   },
   "devDependencies": {
     "@types/chai": "^4.2.17",
@@ -26,20 +27,21 @@
     "@types/prettier": "^2.2.3",
     "@typescript-eslint/eslint-plugin": "^4.26.0",
     "@typescript-eslint/parser": "^4.26.0",
-    "chai": "^4.3.0",
     "babel-eslint": "^10.1.0",
+    "chai": "^4.3.0",
     "eslint": "^7.27.0",
-    "eslint-plugin-prettier": "^3.4.0",
     "eslint-config-prettier": "^8.3.0",
     "eslint-plugin-ban": "^1.5.2",
     "eslint-plugin-import": "^2.23.4",
     "eslint-plugin-jsdoc": "^35.1.2",
     "eslint-plugin-prefer-arrow": "^1.2.3",
+    "eslint-plugin-prettier": "^3.4.0",
     "eslint-plugin-react": "^7.24.0",
     "eslint-plugin-unicorn": "^32.0.1",
+    "lint-staged": "11.0.0",
     "mocha": "^8.3.0",
+    "nyc": "^15.1.0",
     "prettier": "^2.2.1",
-    "lint-staged": "11.0.0",
     "ts-mocha": "^8.0.0",
     "typescript": "^4.2.3"
   },

packages/data-transport-layer/README.md

+[![codecov](https://codecov.io/gh/ethereum-optimism/optimism/branch/master/graph/badge.svg?token=0VTG7PG7YR&flag=data-transport-layer)](https://codecov.io/gh/ethereum-optimism/optimism)
 # @eth-optimism/data-transport-layer
 
 ## What is this?

packages/data-transport-layer/package.json

@@ -18,6 +18,7 @@
     "start": "ts-node ./src/services/run.ts",
     "start:local": "ts-node ./src/services/run.ts | pino-pretty",
     "test": "hardhat --config test/config/hardhat.config.ts test",
+    "test:coverage": "nyc hardhat --config test/config/hardhat.config.ts test && nyc merge .nyc_output coverage.json",
     "build": "tsc -p tsconfig.build.json",
     "pre-commit": "lint-staged"
   },

packages/message-relayer/README.md

+[![codecov](https://codecov.io/gh/ethereum-optimism/optimism/branch/master/graph/badge.svg?token=0VTG7PG7YR&flag=message-relayer)](https://codecov.io/gh/ethereum-optimism/optimism)
 # @eth-optimism/message-relayer
 
 This package contains:

packages/message-relayer/package.json

@@ -18,7 +18,8 @@
     "pre-commit": "lint-staged",
     "lint:fix": "yarn lint:check --fix",
     "lint:check": "eslint .",
-    "test": "hardhat test --show-stack-traces"
+    "test": "hardhat test --show-stack-traces",
+    "test:coverage": "nyc hardhat test && nyc merge .nyc_output coverage.json"
   },
   "keywords": [
     "optimism",