text: //
  //  ToastInAppPurchaseDelegate.h
  //  ToastIAP
  //
  //  Created by Hyup on 2020/03/03.
  //  Copyright © 2020 NHN Corp. All rights reserved.
  //
  
  #import <Foundation/Foundation.h>
  
  @class ToastProduct;
  @class ToastPurchaseResult;
  
  /**
   The delegate to be executed according to the purchase result.
   */
  @protocol ToastInAppPurchaseDelegate <NSObject>
  
  // 결제 성공
  /**
   Called after the purchase has been successfully.
  
   @param purchase The purchase that successfully complete
   */
  - (void)didReceivePurchaseResult:(ToastPurchaseResult *)purchase
  NS_SWIFT_NAME(didReceivePurchase(purchase:));
  
  // 결제 실패
  /**
   Called after the purchase has been failure.
  
   @param productIdentifier The identifier of product that has been failure
   @param error The error about the cause of the payment failure.
   */
  - (void)didFailPurchaseProduct:(NSString *)productIdentifier withError:(NSError *)error
  NS_SWIFT_NAME(didFailPurchase(productIdentifier:error:));
  
  @optional
  // 프로모션 결제 진행 여부 결정
  /**
   Called after the promotion purchase(IAP buy from the App Store) has been request.
   
   @param product The product to purchase
   @return Return YES to continue the transaction in your app.
   @return Return NO to defer or cancel the transaction.
   */
  - (BOOL)shouldAddStorePurchaseForProduct:(ToastProduct *)product API_AVAILABLE(ios(11.0));
  
  @end
  