Method wait_for_response

libraries/fc/src/rpc/state.cpp:51–57

   return request;
}
variant state::wait_for_response( uint64_t request_id )
{
   auto itr = _awaiting.find(request_id);
   FC_ASSERT( itr != _awaiting.end() );
   auto fut = itr->second->get_future();
   return fut.get();
}
void state::close()
{
   for( auto& item : _awaiting )