Changed token logos to match web interface:
- HEZ: 💎 → 🟡 (yellow circle)
- PEZ: 🪙 → 🟣 (purple circle)
- USDT: 💵 (unchanged)
This ensures consistent branding across web and mobile platforms.
User experience improvement:
- Display "USDT" (Tether USD) in UI instead of "wUSDT"
- Backend still uses wUSDT (asset ID 2) for blockchain transactions
- Similar to trcUSDT on Tron - users see USDT, wrapped token works behind the scenes
- Updated all references: symbol, balance keys, transaction logic
This maintains the wrapped token architecture while providing familiar USDT branding.
This commit implements the complete blockchain integration for the mobile app's wallet functionality:
**Polkadot.js Integration:**
- Created PolkadotContext for mobile with full blockchain connectivity
- Implemented wallet creation with mnemonic seed phrases
- Added secure key management with AsyncStorage
- Connected to Pezkuwi testnet (wss://beta-rpc.pezkuwi.art)
**WalletScreen Enhancements:**
- Live blockchain balance fetching for HEZ (native token)
- Live balance fetching for PEZ and wUSDT (assets)
- Real-time balance updates every 30 seconds
- Actual send transactions using api.tx.balances.transfer (HEZ)
- Actual send transactions using api.tx.assets.transfer (PEZ, wUSDT)
- Transaction signing with user's keypair
- Loading states and error handling
- Wallet creation flow for new users
- Connect/disconnect wallet functionality
**Bottom Navigation:**
- Created BottomTabNavigator with 5 tabs
- Added WalletScreen with live blockchain integration
- Added BeCitizenScreen (citizenship application)
- Added ReferralScreen (referral program)
- Renamed SettingsScreen to ProfileScreen
- Custom center button for "Be Citizen" feature
**App Structure:**
- Wrapped app with PolkadotProvider in App.tsx
- Updated AppNavigator to use BottomTabNavigator
- Integrated language selection flow with blockchain features
All wallet features now use live blockchain data instead of mock data.
Claude