paddle 연동하는 구매 플러그인을 만드려고 합니다.

					<?php
(function($) {
  // Process Paddle payment
  function wpturbo_process_paddle_payment() {
    // Paddle로 전송할 결제 데이터
    var payment_data = {
      product_id: 'PRODUCT_ID', // Replace with the product ID from Paddle
      email: 'user@example.com' // Replace with the user's email address
    };

    // Initialize Paddle.js with your vendor ID
    Paddle.Setup({
      vendor: YOUR_VENDOR_ID // Replace with your Paddle vendor ID
    });

    // Create a new Checkout instance
    var checkout = new Paddle.Checkout({
      override: true,
      product: payment_data.product_id,
      email: payment_data.email,
      successCallback: function(data) {
        // Payment success callback
        console.log('Payment successful:', data);
        // Perform additional actions after successful payment
      },
      closeCallback: function() {
        // Payment close callback
        console.log('Payment closed');
        // Perform additional actions if payment is closed
      }
    });

    // Open the Paddle checkout
    checkout.open();
  }

  $(document).ready(function() {
    // Paddle payment handler
    $('.purchase-button').click(function() {
      wpturbo_process_paddle_payment();
    });

    // Webhook handler for payment verification
    $(document).on('wp_ajax_wpturbo_paddle_payment_verification', function() {
      // Get the payment data from the webhook request
      $payment_data = $_POST;

      // Verify the payment using Paddle API
      $verification_url = 'https://vendors.paddle.com/api/2.0/subscription/users';
      $auth_token = 'YOUR_PADDLE_AUTH_TOKEN'; // Replace with your Paddle auth token

      // Set up the request arguments
      $args = array(
        'body' => array(
          'subscription_id' => $payment_data['subscription_id'],
          'email' => $payment_data['email'],
        ),
        'headers' => array(
          'Authorization' => 'Basic ' . base64_encode( $auth_token . ':' ),
        ),
      );

      // Send the request to Paddle for verification
      $response = wp_remote_post( $verification_url, $args );

      // Check if the verification was successful
      if ( ! is_wp_error( $response ) && wp_remote_retrieve_response_code( $response ) === 200 ) {
        // Verification successful, perform actions for verified payment
        // ...
      } else {
        // Verification failed, perform actions for failed verification
        // ...
      }
    });
  });
})(jQuery);