erc721 self serve contracts

cli/cmds/utils

@@ -101,6 +101,16 @@ save_deployment_data() {
 }
 
 prestart() {
+    # Check Node.js version
+    NODE_VERSION=$(node -v)
+    REQUIRED_VERSION="v20.9.0"
+    if [[ "$(printf '%s\n' "$REQUIRED_VERSION" "$NODE_VERSION" | sort -V | head -n1)" != "$REQUIRED_VERSION" ]]; then
+        echo "Node.js version is $NODE_VERSION. Please upgrade to version 20.9 or greater."
+        echo "You can use nvm to install and switch versions: https://github.com/nvm-sh/nvm"
+        echo "nvm install 20.9 or nvm use 20.9"
+        exit 1
+    fi
+
     # Fetch the latest changes from the remote
     git -C "$BASE_DIR" fetch