AC-1228::BN code attribute into Paypal JSSDK script

Author: rimple-saini

app/code/Magento/Paypal/Model/SmartButtonConfig.php

@@ -81,7 +81,10 @@ public function getConfig(string $page): array
             'styles' => $this->getButtonStyles($page),
             'isVisibleOnProductPage'  => (bool)$this->config->getValue('visible_on_product'),
             'isGuestCheckoutAllowed'  => $isGuestCheckoutAllowed,
-            'sdkUrl' => $this->sdkUrl->getUrl()
+            'sdkUrl' => $this->sdkUrl->getUrl(),
+            'dataAttributes' => [
+                'data-partner-attribution-id'   => 'BN_CODE'
+            ]
         ];
     }
 

app/code/Magento/Paypal/view/frontend/web/js/in-context/express-checkout-smart-buttons.js

@@ -64,7 +64,7 @@ define([
     }
 
     return function (clientConfig, element) {
-        paypalSdk(clientConfig.sdkUrl).done(function (paypal) {
+        paypalSdk(clientConfig.sdkUrl, clientConfig.dataAttributes).done(function (paypal) {
             paypal.Buttons({
                 style: clientConfig.styles,
 

app/code/Magento/Paypal/view/frontend/web/js/in-context/paypal-sdk.js

@@ -13,7 +13,7 @@ define([
      * Loads the PayPal SDK object
      * @param {String} paypalUrl - the url of the PayPal SDK
      */
-    return function loadPaypalScript(paypalUrl) {
+    return function loadPaypalScript(paypalUrl, dataAttributes) {
         //configuration for loaded PayPal script
         require.config({
             paths: {
@@ -23,6 +23,11 @@ define([
                 paypalSdk: {
                     exports: 'paypal'
                 }
+            },
+            onNodeCreated: function(node, config, name, url){
+                $.each(dataAttributes, function (index, elem) {
+                    node.setAttribute( index, elem);
+                });
             }
         });