Method is_first_store_confirm

DSView/pv/sigsession.cpp:2349–2356

    }

    bool SigSession::is_first_store_confirm()
    {
        if (_work_time_id != _confirm_store_time_id){
            _confirm_store_time_id = _work_time_id;
            return true;
        }
        return false;
    }

    void SigSession::realtime_refresh_timeout()
    {