chore: github actions workflow to run the foundry tests

Author: jaybuidl

.github/workflows/contracts-testing.yml

@@ -40,14 +40,16 @@ jobs:
           54.185.253.63:443
 
     - name: Setup Node.js environment
-      uses: actions/setup-node@v4
+      uses: actions/setup-node@39370e3970a6d050c480ffad4ff0ed4d3fdee5af # v4.1.0
       with:
         node-version: 18.x   
 
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      with:
+        submodules: recursive
 
     - name: Cache node modules
-      uses: actions/cache@v4
+      uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 # v4.2.0
       env:
         cache-name: cache-node-modules
       with:
@@ -57,28 +59,32 @@ jobs:
         key: ${{ runner.os }}-build-${{ secrets.CACHE_VERSION }}-${{ env.cache-name }}-${{ hashFiles('**/package-lock.json', '**/yarn.lock') }}
         restore-keys: |
           ${{ runner.os }}-build-${{ secrets.CACHE_VERSION }}-${{ env.cache-name }}-
-          
-    #- name: Install parent dependencies
-    #  run: |
-    #    echo "current dir: $PWD"
-    #    yarn install
              
     - name: Install contracts dependencies
       run: |
         yarn workspace @kleros/kleros-v2-contracts install
+
+    - name: Install Foundry
+      uses: foundry-rs/foundry-toolchain@8f1998e9878d786675189ef566a2e4bf24869773 # v1.2.0
+      with:
+        version: nightly
+
+    - name: Run Foundry tests
+      run: forge test -vvv
+      working-directory: contracts
 
     - name: Compile
       run: |
         yarn hardhat compile
       working-directory: contracts
 
-    - name: Test with coverage
+    - name: Run Hardhat tests with coverage
       run: |         
         yarn hardhat coverage --solcoverjs ./.solcover.js --temp artifacts --testfiles './test/**/*.ts' --show-stack-traces
       working-directory: contracts
 
     - name: Upload a build artifact
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4.4.3
       with:    
         name: code-coverage-report    
         path: contracts/coverage