Доработка яндекс денег для Билинга 1.x

<form id="yandex_<?php echo $currency; ?>" method="POST" action="https://money.yandex.ru/quickpay/confirm.xml" style="display:none" class="psys">
    <input type="hidden" name="receiver" value="<?php echo $this->config['FROM']['value']?>">
    <input type="hidden" name="fromcomment" value="Ваш Проект название">
    <input type="hidden" name="short-dest" value="Ваш Проект название">
    <input type="hidden" name="quickpay-form" value="shop">
    <input type="hidden" name="targets" value="Оплата покупки (id<?php echo $this->order['id']; ?>)">
    <input type="hidden" name="sum" value="<?php echo $this->summ; ?>">
    <input type="radio" name="paymentType" value="PC" checked="checked">Яндекс.Деньгами</input>
    <input type="radio" name="paymentType" value="AC">Банковской картой</input>
     <input type="submit" name="go_payment" value="<?php echo $_LANG['SHOP_CONTINUE']; ?>" />
</form>

<?php
 
 
    if (!(defined('VALID_CMS') || defined('VALID_CMS_ADMIN'))){ die(); }
 
    $psinfo['title']    = 'Яндекс.Деньги';
    $psinfo['url']      = 'https://money.yandex.ru';
    $psinfo['logo']     = 'logo.jpg';
    $pscfg['currency']['RUR']        = '1';
 
    //настройки по-умолчанию
 
    $pscfg['FROM']['title']   = 'ID продавца';
    $pscfg['FROM']['value']   = '';
 
?>

<?php
 
class ps_yandex extends shopPaymentSystem{
 
/* ========================================================================== */
/* ========================================================================== */
 
    /**
     * Получает всю информацию о заказе в массиве $order
     * и сохраняет внутри класса
     * @param array $order 
     */
    public function __construct($order, $config){
 
        parent::__construct();
 
        $this->order    = $order;
        $this->config   = $config;
 
    }
 
/* ========================================================================== */
/* ========================================================================== */
 
    /**
     * Генерирует и возвращает код формы для отправки в платежную систему
     */
    public function getHtmlForm($order, $currency){
 
        global $_LANG;
 
        $currency_kurs  = $this->config['currency'][$currency];
        $this->summ     = str_replace(',', '.', round($this->order['summ']/$currency_kurs, 2));
 
        ob_start();
 
        include('form.php');
 
        return ob_get_clean();
 
    }
 
/* ========================================================================== */
/* ========================================================================== */
 
    public function processPayment($model) {
 
        $inCore = cmsCore::getInstance();
 
        // Помещаем заказ в обработку
        $model->setOrderStatus($this->order['id'], $this->order['secret_key'], 1);
        $this->order['status'] = 1;
        $model->clearCart(session_id());
       return true;
 
    }
 
/* ========================================================================== */
/* ========================================================================== */
 
}
 
?>