sca-stripe.m

RCT_EXPORT_METHOD(
    confirmPaymentIntent:(NSString *)payment_intent_client_secret
    resolvePromise:(RCTPromiseResolveBlock)resolve
    rejectPromise:(RCTPromiseRejectBlock)reject
)
{
    // Create the payment intent using the payment_intent_client_secret
    [[STPAPIClient sharedClient] retrievePaymentIntentWithClientSecret:payment_intent_client_secret completion:^(STPPaymentIntent *paymentIntent, NSError *error) {
      
      NSLog(@"Intent %@", paymentIntent);
      if(error == nil){
        if (paymentIntent.status == STPPaymentIntentStatusRequiresAction) {
              STPRedirectContext *redirectContext = [[STPRedirectContext alloc] initWithPaymentIntent:paymentIntent completion:^(NSString *clientSecret, NSError *redirectError) {
                
                [[STPAPIClient sharedClient] retrievePaymentIntentWithClientSecret:clientSecret completion:^(STPPaymentIntent *paymentIntent, NSError *error) {
                  // Check paymentIntent.status
                }];
                  NSLog(@"Redirect Completed %@", paymentIntent);
              }];
        
              NSLog(@"Context %@", redirectContext);
          
              if (redirectContext) {
                UIViewController *rootViewController = [UIApplication sharedApplication].delegate.window.rootViewController;
                // opens SFSafariViewController to the necessary URL
                [redirectContext startRedirectFlowFromViewController:rootViewController];
              } else {
                // This PaymentIntent action is not yet supported by the SDK.
              }
        }
        
      } else {
        NSLog(@"SError %@", error);
        
        reject(@"payment_intent", @"Issue authenticating payment intent", error);
      }
    }];
}