public function __construct($orderid) {
        global $usces;

        $this->orderid = (int)$orderid;
        $this->meta = unserialize($usces->get_order_meta_value(self::META_KEY, $orderid));
        $this->transactionId = $this->meta['transactionId'];
        $transactionState = $usces->get_order_meta_value(self::TRANSACTION_STATE_KEY, $orderid);
        if (!empty($transactionState)) {
            $transactionState = json_decode($transactionState, true);
            $this->transactionState = new TransactionState($this->transactionId, $transactionState['state']);
        }
    }