public function cnb_form2($params)
  {
    $params = $this->cnb_params($params);
    $data = $this->encode_params($params);
    $signature = $this->cnb_signature($params);

    $html = sprintf('
            <div id="liqpay_checkout"></div>
            <script>
                window.LiqPayCheckoutCallback = function() {
                    LiqPayCheckout.init({
                        data: "%s",
                        signature: "%s",
                        embedTo: "#liqpay_checkout",
                        mode: "embed" // embed || popup,
                    }).on("liqpay.callback", function(data){
                        // console.log(data.status);
                        // console.log(data);
                    }).on("liqpay.ready", function(data){
                        // ready
                    }).on("liqpay.close", function(data){
                        // close
                    });
                };
            </script>
            <script src="//static.liqpay.ua/libjs/checkout.js" async></script>
            ',
        $data,
        $signature
    );
    return $html;
  }