add coverage

.github/workflows/codecov.yaml

@@ -0,0 +1,43 @@
+name: Code Coverage
+on: pull_request
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  test:
+    runs-on: blacksmith-16vcpu-ubuntu-2204
+
+    steps:
+      - name: Setup Dependencies for Sui Binary
+        run: sudo apt-get update && sudo apt-get install -y libpq-dev
+
+      - name: Download and Install Sui
+        env:
+          SUI_VERSION: devnet-v1.24.0
+        run: |
+          wget https://github.com/MystenLabs/sui/releases/download/${SUI_VERSION}/sui-${SUI_VERSION}-ubuntu-x86_64.tgz
+          tar -xvf sui-${SUI_VERSION}-ubuntu-x86_64.tgz
+          sudo mv ./target/release/sui-test-validator-ubuntu-x86_64 /usr/local/bin/sui-test-validator
+          sudo mv ./target/release/sui-ubuntu-x86_64 /usr/local/bin/sui
+          rm -rf sui-${SUI_VERSION}-ubuntu-x86_64.tgz
+
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: 18
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Build
+        run: npm run build
+
+      - name: Test
+        timeout-minutes: 60
+        run: npm run test --coverage