fix: DOT balance display in swap modal

package.json

@@ -1,6 +1,6 @@
 {
   "name": "pezkuwi-telegram-miniapp",
-  "version": "1.0.131",
+  "version": "1.0.132",
   "type": "module",
   "description": "Pezkuwichain Telegram Mini App - Forum, Announcements, Rewards",
   "author": "Pezkuwichain Team",

src/components/wallet/SwapModal.tsx

@@ -72,26 +72,32 @@ export function SwapModal({ isOpen, onClose }: SwapModalProps) {
         const hezFree = hezAccount.data.free.toString();
         const hezBalance = (parseInt(hezFree) / 1e12).toFixed(4);
 
+        // Helper to extract balance from asset query result
+        const getAssetBalance = (result: any, decimals: number, fractionDigits: number): string => {
+          if (!result || result.isEmpty) return '0'.padEnd(fractionDigits + 2, '0');
+          const data = result.isSome ? result.unwrap().toJSON() : result.toJSON();
+          if (data && data.balance) {
+            return (parseInt(data.balance.toString()) / Math.pow(10, decimals)).toFixed(
+              fractionDigits
+            );
+          }
+          return '0'.padEnd(fractionDigits + 2, '0');
+        };
+
         // PEZ balance (Asset 1)
         // eslint-disable-next-line @typescript-eslint/no-explicit-any
         const pezResult = await (assetHubApi.query.assets as any).account(1, keypair.address);
-        const pezBalance = pezResult.isSome
-          ? (parseInt(pezResult.unwrap().balance.toString()) / 1e12).toFixed(4)
-          : '0.0000';
+        const pezBalance = getAssetBalance(pezResult, 12, 4);
 
         // USDT balance (Asset 1000)
         // eslint-disable-next-line @typescript-eslint/no-explicit-any
         const usdtResult = await (assetHubApi.query.assets as any).account(1000, keypair.address);
-        const usdtBalance = usdtResult.isSome
-          ? (parseInt(usdtResult.unwrap().balance.toString()) / 1e6).toFixed(2)
-          : '0.00';
+        const usdtBalance = getAssetBalance(usdtResult, 6, 2);
 
         // DOT balance (Asset 1001, 10 decimals)
         // eslint-disable-next-line @typescript-eslint/no-explicit-any
         const dotResult = await (assetHubApi.query.assets as any).account(1001, keypair.address);
-        const dotBalance = dotResult.isSome
-          ? (parseInt(dotResult.unwrap().balance.toString()) / 1e10).toFixed(4)
-          : '0.0000';
+        const dotBalance = getAssetBalance(dotResult, 10, 4);
 
         // Update all balances at once
         setBalances({

src/version.json

@@ -1,5 +1,5 @@
 {
-  "version": "1.0.131",
-  "buildTime": "2026-02-06T23:35:06.532Z",
-  "buildNumber": 1770420906532
+  "version": "1.0.132",
+  "buildTime": "2026-02-06T23:46:06.234Z",
+  "buildNumber": 1770421566235
 }