newsupernova/vendor/magento/module-instant-purchase/view/frontend/web/template/instant-purchase.html

<!--
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
-->
<if args="showButton()">
    <button type="button"
            class="action primary instant-purchase"
            click="instantPurchase"
            attr="title: $t(buttonText)">
        <span translate="buttonText" />
    </button>
    <input if="paymentToken()"
           type="hidden"
           name="instant_purchase_payment_token"
           ko-value="paymentToken().publicHash" />
    <input if="shippingAddress()"
           type="hidden"
           name="instant_purchase_shipping_address"
           ko-value="shippingAddress().id" />
    <input if="billingAddress()"
           type="hidden"
           name="instant_purchase_billing_address"
           ko-value="billingAddress().id" />
    <if args="shippingMethod()">
        <input type="hidden"
               name="instant_purchase_carrier"
               ko-value="shippingMethod().carrier" />
        <input type="hidden"
               name="instant_purchase_shipping"
               ko-value="shippingMethod().method" />
    </if>
</if>