chore: concurrency test for mock

Author: Supeeerpower

.github/workflows/concurrency.yml

@@ -0,0 +1,51 @@
+name: concurrency
+
+on:
+  push:
+    branches:
+      - dev
+  pull_request:
+
+env:
+  FOUNDRY_PROFILE: ci
+
+jobs:
+  test:
+    strategy:
+      fail-fast: true
+
+    name: Mock Concurrency tests 
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Install Foundry
+        uses: foundry-rs/foundry-toolchain@v1
+
+      - name: Show anvil version
+        run: |
+          anvil --version
+
+      - name: Start Anvil in background
+        run: |
+          nohup anvil --host 127.0.0.1 --port 8545 > anvil.log 2>&1 &
+          echo $! > anvil.pid
+          for i in {1..10}; do
+            if nc -z 127.0.0.1 8545; then
+              echo "Anvil is up"
+              break
+            fi
+            echo "Waiting for Anvil to start..."
+            sleep 1
+          done
+
+      - name: Run Concurrency tests
+        run: |
+          cd scripts/ecdsa/mock && ./concurrency_test.sh 
+
+      - name: "Add test summary"
+        run: |
+          echo "## Tests result" >> $GITHUB_STEP_SUMMARY
+          echo "✅ Passed" >> $GITHUB_STEP_SUMMARY