create_new_process can't proceed if not roles provided

src/api.rs

@@ -1146,6 +1146,10 @@ pub fn create_new_process(
     fee_rate: u32,
     members_list: OutPointMemberMap,
 ) -> ApiResult<ApiReturn> {
+    // At the very least we should have something in role
+    if roles.is_empty() {
+        return Err(ApiError { message: "Roles can't be empty".to_owned() });
+    }
     // We create a transaction that spends to the relay address
     let local_device = lock_local_device()?;