From f61a498eba5b9ee0efcd987053d3356e23d721ab Mon Sep 17 00:00:00 2001
From: Egor <egor.andrianovv@gmail.com>
Date: Wed, 28 Jan 2026 21:01:12 +0300
Subject: [PATCH 1/3] Update vite-env.d.ts

---
 src/vite-env.d.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/vite-env.d.ts b/src/vite-env.d.ts
index 8b6f85e..0836c04 100644
--- a/src/vite-env.d.ts
+++ b/src/vite-env.d.ts
@@ -85,6 +85,8 @@ interface TelegramWebApp {
     button_color?: string;
     button_text_color?: string;
   };
+  // Version check helper
+  isVersionAtLeast: (version: string) => boolean;
 }
 
 interface Window {

From f2e03ffb33ddef5ce5faff6e88019bbf34dec8c2 Mon Sep 17 00:00:00 2001
From: Egor <egor.andrianovv@gmail.com>
Date: Wed, 28 Jan 2026 21:01:40 +0300
Subject: [PATCH 2/3] Update TopUpModal.tsx

---
 src/components/TopUpModal.tsx | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/components/TopUpModal.tsx b/src/components/TopUpModal.tsx
index b2d8b00..bde9b70 100644
--- a/src/components/TopUpModal.tsx
+++ b/src/components/TopUpModal.tsx
@@ -207,7 +207,10 @@ export default function TopUpModal({ method, onClose, initialAmountRubles }: Top
         setError(t('balance.errors.noPaymentLink'));
         return;
       }
-      if (!webApp?.openInvoice) {
+      // openInvoice requires WebApp version 6.1+
+      const supportsInvoice =
+        webApp?.openInvoice && webApp?.isVersionAtLeast && webApp.isVersionAtLeast('6.1');
+      if (!supportsInvoice) {
         setError(t('balance.errors.starsOnlyInTelegram'));
         return;
       }

From 56c2d7be90d36521f4f03ea20b68161ac66c6fed Mon Sep 17 00:00:00 2001
From: Egor <egor.andrianovv@gmail.com>
Date: Wed, 28 Jan 2026 21:02:16 +0300
Subject: [PATCH 3/3] Check WebApp version before opening invoice

---
 src/pages/Wheel.tsx | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/pages/Wheel.tsx b/src/pages/Wheel.tsx
index 78f9ff1..b6efc99 100644
--- a/src/pages/Wheel.tsx
+++ b/src/pages/Wheel.tsx
@@ -207,8 +207,12 @@ export default function Wheel() {
   const starsInvoiceMutation = useMutation({
     mutationFn: wheelApi.createStarsInvoice,
     onSuccess: (data) => {
-      if (window.Telegram?.WebApp?.openInvoice) {
-        window.Telegram.WebApp.openInvoice(data.invoice_url, async (status) => {
+      const webApp = window.Telegram?.WebApp;
+      // openInvoice requires WebApp version 6.1+
+      const supportsInvoice =
+        webApp?.openInvoice && webApp?.isVersionAtLeast && webApp.isVersionAtLeast('6.1');
+      if (supportsInvoice) {
+        webApp.openInvoice(data.invoice_url, async (status) => {
           if (status === 'paid') {
             // Mark this as a Stars spin so handleSpinComplete knows to use the pending result
             isStarsSpinRef.current = true;