feat: add dangerjs (#1793)

* feat: add dangerjs

* test: add .sol file to test

* refactor: better naming for the CI

* fix: check all files

* fix: check if review is approved

* refactor: delete test file

.github/workflows/danger.yml

@@ -0,0 +1,21 @@
+name: Danger CI
+
+on:
+  pull_request:
+    types: [opened, reopened, synchronize, edited]
+
+jobs:
+  ci:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@master
+      - name: Use Node.js 16x
+        uses: actions/setup-node@v3
+        with:
+          node-version: 16.x
+          cache: "yarn"
+      - run: yarn install  --frozen-lockfile
+      - run: yarn danger ci
+        env:
+          DANGER_GITHUB_API_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

dangerfile.ts

@@ -0,0 +1,22 @@
+import { warn, danger, message } from "danger";
+
+const MINIMUM_REVIEWERS = 2;
+
+const files = [
+  ...danger.git.modified_files,
+  ...danger.git.created_files,
+  ...danger.git.deleted_files,
+];
+const hasContractChanges = files.some((file) => file.endsWith(".sol"));
+
+if (hasContractChanges) {
+  const reviewers = danger.github.reviews.filter(
+    (review) => review.state === "APPROVED"
+  ).length;
+
+  if (reviewers < MINIMUM_REVIEWERS) {
+    warn(`:eyes: This PR needs at least ${MINIMUM_REVIEWERS} reviewers`);
+  } else {
+    message(`:tada: This PR has ${reviewers} approved reviews`);
+  }
+}

package.json

@@ -11,5 +11,8 @@
   },
   "engines": {
     "node": "16"
+  },
+  "devDependencies": {
+    "danger": "^11.2.8"
   }
 }