Update server.js

server.js

@@ -42,9 +42,9 @@ app.post("/disconnect", (req, res) => {
  */
 async function getWalletBalance(address) {
   try {
-    // Using tonapi.io (no key needed for basic requests)
-    const res = await axios.get(`https://tonapi.io/v1/account/getInfo?account=${address}`);
-    return res.data.balance; // balance in nanotons
+    const res = await axios.get(`https://tonapi.io/v2/accounts/${address}`);
+    // The balance is usually in res.data.account.balance
+    return res.data.account.balance; 
   } catch (err) {
     console.error("❌ Error fetching balance:", err.response?.data || err.message);
     return null;