core_rpc_server: on_get_blocks - forward bootstrap daemon error

src/rpc/core_rpc_server.cpp

@@ -521,9 +521,17 @@ namespace cryptonote
   bool core_rpc_server::on_get_blocks(const COMMAND_RPC_GET_BLOCKS_FAST::request& req, COMMAND_RPC_GET_BLOCKS_FAST::response& res, const connection_context *ctx)
   {
     RPC_TRACKER(get_blocks);
-    bool r;
-    if (use_bootstrap_daemon_if_necessary<COMMAND_RPC_GET_BLOCKS_FAST>(invoke_http_mode::BIN, "/getblocks.bin", req, res, r))
-      return r;
+
+    bool use_bootstrap_daemon;
+    {
+      boost::shared_lock<boost::shared_mutex> lock(m_bootstrap_daemon_mutex);
+      use_bootstrap_daemon = m_should_use_bootstrap_daemon;
+    }
+    if (use_bootstrap_daemon)
+    {
+      bool r;
+      return use_bootstrap_daemon_if_necessary<COMMAND_RPC_GET_BLOCKS_FAST>(invoke_http_mode::BIN, "/getblocks.bin", req, res, r);
+    }
 
     CHECK_PAYMENT(req, res, 1);