add copy workflow to test caching

Author: RnkSngh

.github/workflows/bindings-copy.yml

@@ -0,0 +1,65 @@
+name: Validate Bindings
+
+on:
+  pull_request:
+    branches: ["main"]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.ref_name }}
+  cancel-in-progress: true
+
+jobs:
+  verify-bindings:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          submodules: "recursive"
+
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: "1.21.3"
+
+      - name: Setup Foundry
+        uses: foundry-rs/[email protected]
+
+      - name: Install Bun
+        uses: oven-sh/setup-bun@v2
+        with:
+          bun-version: 1.1.20 
+          no-cache: true
+      - name: log foundry version
+        run: |
+          forge --version
+          bun --version
+          bun pm ls
+      - name: Install ABIGen
+        run: |
+          go install github.com/ethereum/go-ethereum/cmd/[email protected]
+
+      - name: Generate Bindings
+        run: |
+          bun install --frozen-lockfile
+          bun run build
+
+      - name: Check for Bindings Changes
+        run: |
+          changes=$( git status --porcelain -- ./bindings ./src/evm/contracts )
+          if [ -n "$changes" ]; then
+            echo -e "Changes in Generated Bindings:\n$changes"
+            exit 1
+          fi
+      - name: Upload ts bindings artifact on error
+        if: failure()
+        uses: actions/upload-artifact@v2
+        with:
+          name: ts-bindings 
+          path: ./src/evm/contracts/
+      - name: Upload go bindings artifact on error
+        if: failure()
+        uses: actions/upload-artifact@v2
+        with:
+          name: go-bindings 
+          path: ./bindings/