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Freighter Wallet Connection Modal

Overview

This document describes the dedicated Freighter wallet connection modal implemented for TradeFlow-Web as part of the wallet connection enhancement.

Features Implemented

✅ Acceptance Criteria Met

  1. Modal opens when user clicks "Connect Wallet" button

    • The modal is triggered from the main page header button
    • Uses proper state management with isModalOpen state

  2. Freighter browser extension detection

    • Automatically detects if Freighter is installed using window.freighter object
    • Shows loading state while checking for installation
    • TypeScript declarations added in src/types/freighter.d.ts

  3. Clear UI state when Freighter is NOT installed

    • Shows amber warning banner when Freighter is not detected
    • Provides direct download link to official Freighter extension
    • Includes educational information about Freighter wallet
    • External link indicator for better UX

  4. Successful connection handling

    • Retrieves user's Stellar public key using existing Web3 store
    • Stores public key in global state via useWalletConnection hook
    • Shows success toast notification upon connection

  5. UI updates for authenticated state

    • Header button displays truncated public key format: GABC...XYZ1
    • Button shows "Connecting..." during connection process
    • Pulse animation removed when wallet is connected
    • Button disabled during connection to prevent multiple clicks

Technical Implementation

Components

  • FreighterConnectModal.tsx: Main modal component with wallet detection
  • page.tsx: Updated to use new modal and Web3 store integration
  • freighter.d.ts: TypeScript declarations for Freighter API

State Management

  • Uses existing useWeb3Store for wallet connection state
  • Integrates with useWalletConnection hook for clean separation
  • Proper loading and error state handling

UI/UX Features

  • Loading spinner during wallet detection
  • Clear success/error states with appropriate colors
  • Responsive design with proper mobile support
  • Smooth transitions and micro-interactions
  • Accessible modal with proper close functionality

Usage

For Users

  1. Click "Connect Wallet" button in header
  2. If Freighter is not installed, click "Download Freighter Extension"
  3. Install and refresh the page
  4. Click "Connect Wallet" again
  5. Approve connection in Freighter extension
  6. Wallet address will appear in header button

For Developers

import FreighterConnectModal from '../components/FreighterConnectModal';

const [isModalOpen, setIsModalOpen] = useState(false);

<FreighterConnectModal isOpen={isModalOpen} onClose={() => setIsModalOpen(false)} />;

Testing Checklist

  • Modal opens and closes properly
  • Freighter detection works (with/without extension)
  • Download link opens in new tab
  • Connection flow integrates with Web3 store
  • Header button shows correct states
  • Error handling displays properly
  • TypeScript compilation without errors
  • Responsive design on mobile devices

Dependencies

  • React hooks (useState, useEffect)
  • Lucide React icons
  • React Hot Toast for notifications
  • Existing Web3 store infrastructure
  • Tailwind CSS for styling

Future Enhancements

  • Support for additional wallet types
  • Connection persistence across sessions
  • Network switching capabilities
  • Advanced transaction signing flows