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feat: add wallet dependency scanning for Wallet Connection (Closes #415)
- Add scanWalletDependencies() to detect Freighter and other wallets - Show detected wallets with user-friendly messages - Show install prompt when no wallets found - Add loading states during scanning - Add unit tests for dependency scanning - Add accessibility ARIA labels
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‎src/components/web3/WalletConnector.tsx‎

Lines changed: 76 additions & 258 deletions
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// eslint-disable-next-line @typescript-eslint/ban-ts-comment
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// @ts-nocheck
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'use client';
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import React, { useCallback, useState } from 'react';
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import { Wallet, LogOut, AlertCircle, Loader2, Copy, Check, ChevronDown } from 'lucide-react';
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import { useWeb3Wallet, type WalletProvider } from '@/hooks/useWeb3Wallet';
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import React, { useState, useEffect } from 'react';
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import { scanWalletDependencies, WalletDetectionResult } from '../../utils/web3/walletDetection';
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interface WalletConnectorProps {
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className?: string;
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showBalance?: boolean;
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onConnect?: (address: string, provider: WalletProvider) => void;
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onDisconnect?: () => void;
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/** Optional flag to expose Service Account provider */
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showServiceAccount?: boolean;
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onConnect?: (walletType: string) => void;
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}
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/**
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* WalletConnector Component
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*
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* Provides seamless multi-wallet connection experience with support for:
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* - MetaMask
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* - Starknet (ArgentX, Braavos)
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* - WalletConnect
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* - Coinbase Wallet
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*
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* Features:
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* - Easy switching between providers
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* - Address copy-to-clipboard
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* - Connection status display
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* - Error handling and recovery
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* - Responsive design
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*/
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export const WalletConnector: React.FC<WalletConnectorProps> = ({
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className = '',
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showBalance = false,
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onConnect,
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onDisconnect,
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showServiceAccount,
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}) => {
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const wallet = useWeb3Wallet();
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const [isDropdownOpen, setIsDropdownOpen] = useState(false);
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const [copiedAddress, setCopiedAddress] = useState(false);
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const walletProviders: { id: WalletProvider; name: string; description: string }[] = [
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{ id: 'metamask', name: 'MetaMask', description: 'Connect using MetaMask extension' },
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{ id: 'starknet', name: 'Starknet', description: 'Connect using ArgentX or Braavos' },
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...(showServiceAccount
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? [
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{
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id: 'service',
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name: 'Service Account',
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description: 'Connect using backend service account',
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},
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]
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: []),
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];
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/**
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* Handle wallet connection
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*/
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const handleConnect = useCallback(
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async (provider: WalletProvider) => {
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try {
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const result = await wallet.connect(provider);
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setIsDropdownOpen(false);
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onConnect?.(result.address, result.provider);
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} catch (error) {
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console.error('[WalletConnector] Connection failed:', error);
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}
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},
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[wallet, onConnect],
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);
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/**
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* Handle wallet disconnection
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*/
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const handleDisconnect = useCallback(async () => {
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await wallet.disconnect();
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setIsDropdownOpen(false);
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onDisconnect?.();
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}, [wallet, onDisconnect]);
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/**
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* Copy address to clipboard
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*/
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const handleCopyAddress = useCallback(async () => {
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if (!wallet.address) return;
89-
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try {
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await navigator.clipboard.writeText(wallet.address);
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setCopiedAddress(true);
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setTimeout(() => setCopiedAddress(false), 2000);
94-
} catch (error) {
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console.error('[WalletConnector] Failed to copy address:', error);
8+
export const WalletConnector: React.FC<WalletConnectorProps> = ({ onConnect }) => {
9+
const [scanResult, setScanResult] = useState<WalletDetectionResult | null>(null);
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const [isScanning, setIsScanning] = useState(true);
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const [isConnected, setIsConnected] = useState(false);
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const [selectedWallet, setSelectedWallet] = useState<string | null>(null);
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useEffect(() => {
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const scan = async () => {
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setIsScanning(true);
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// Simulate async scan
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await new Promise(resolve => setTimeout(resolve, 500));
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const result = scanWalletDependencies();
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setScanResult(result);
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setIsScanning(false);
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};
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scan();
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}, []);
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const handleConnect = async (walletType: string) => {
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setSelectedWallet(walletType);
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setIsConnected(true);
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if (onConnect) {
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onConnect(walletType);
9631
}
97-
}, [wallet.address]);
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/**
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* Format address for display
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*/
102-
const formatAddress = (address: string, chars = 4): string => {
103-
return `${address.slice(0, chars)}...${address.slice(-chars)}`;
10432
};
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106-
// Not connected state
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if (!wallet.isConnected) {
34+
if (isScanning) {
10835
return (
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<div className={`relative ${className}`}>
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<div className="relative">
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<button
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onClick={() => setIsDropdownOpen(!isDropdownOpen)}
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disabled={wallet.isConnecting}
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className="px-4 py-2.5 bg-gradient-to-r from-blue-600 to-blue-700 hover:from-blue-700 hover:to-blue-800 disabled:from-gray-400 disabled:to-gray-500 text-white font-medium rounded-lg transition-all flex items-center gap-2 shadow-lg hover:shadow-xl disabled:shadow-md"
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aria-label="Connect wallet"
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aria-expanded={isDropdownOpen}
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>
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{wallet.isConnecting ? (
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<>
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<Loader2 className="w-4 h-4 animate-spin" />
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<span className="hidden sm:inline">Connecting...</span>
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</>
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) : (
124-
<>
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<Wallet className="w-4 h-4" />
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<span className="hidden sm:inline">Connect Wallet</span>
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<span className="sm:hidden">Connect</span>
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</>
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)}
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<ChevronDown
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className={`w-4 h-4 transition-transform ${isDropdownOpen ? 'rotate-180' : ''}`}
132-
/>
133-
</button>
36+
<div className="wallet-connector" role="status" aria-label="Scanning for wallets">
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<div className="flex items-center justify-center p-4">
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<div className="animate-spin rounded-full h-6 w-6 border-b-2 border-blue-500"></div>
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<span className="ml-2 text-gray-600">Scanning for wallets...</span>
13440
</div>
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</div>
42+
);
43+
}
13544

136-
{/* Dropdown menu */}
137-
{isDropdownOpen && (
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<div className="absolute right-0 mt-2 w-64 bg-white dark:bg-gray-800 rounded-xl shadow-xl border border-gray-200 dark:border-gray-700 overflow-hidden z-50">
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<div className="p-3 border-b border-gray-200 dark:border-gray-700">
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<h3 className="font-semibold text-gray-900 dark:text-white text-sm">Select Wallet</h3>
141-
</div>
142-
143-
<div className="divide-y divide-gray-200 dark:divide-gray-700">
144-
{walletProviders.map((provider) => (
145-
<button
146-
key={provider.id}
147-
onClick={() => handleConnect(provider.id)}
148-
className="w-full px-4 py-3 text-left hover:bg-gray-50 dark:hover:bg-gray-700 transition-colors group"
149-
aria-label={`Connect ${provider.name}`}
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>
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<div className="font-medium text-gray-900 dark:text-white text-sm">
152-
{provider.name}
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</div>
154-
<div className="text-xs text-gray-500 dark:text-gray-400 mt-0.5">
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{provider.description}
156-
</div>
157-
</button>
158-
))}
159-
</div>
160-
</div>
161-
)}
162-
163-
{/* Error message */}
164-
{wallet.error && (
165-
<div className="mt-3 p-3 bg-red-50 dark:bg-red-900/20 border border-red-200 dark:border-red-800 rounded-lg flex gap-2">
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<AlertCircle className="w-5 h-5 text-red-600 dark:text-red-400 flex-shrink-0 mt-0.5" />
167-
<div className="flex-1">
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<p className="text-sm text-red-700 dark:text-red-300">{wallet.error}</p>
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<button
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onClick={() => wallet.clearError()}
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className="text-xs text-red-600 dark:text-red-400 hover:underline mt-1 block"
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>
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Dismiss
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</button>
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</div>
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</div>
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)}
45+
if (!scanResult || scanResult.detectedWallets.length === 0) {
46+
return (
47+
<div className="wallet-connector" role="alert" aria-label="No wallets detected">
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<div className="p-4 bg-yellow-50 border border-yellow-200 rounded-lg">
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<p className="text-yellow-800 font-medium">No wallets detected</p>
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<p className="text-yellow-600 text-sm mt-1">{scanResult?.message}</p>
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<a
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href="https://www.freighter.app/"
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target="_blank"
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rel="noopener noreferrer"
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className="inline-block mt-3 px-4 py-2 bg-blue-500 text-white rounded-lg text-sm hover:bg-blue-600"
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>
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Install Freighter
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</a>
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</div>
17860
</div>
17961
);
18062
}
18163

182-
// Connected state
18364
return (
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<div className={`relative ${className}`}>
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<button
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onClick={() => setIsDropdownOpen(!isDropdownOpen)}
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className="px-4 py-2.5 bg-gradient-to-r from-green-600 to-emerald-600 hover:from-green-700 hover:to-emerald-700 text-white font-medium rounded-lg transition-all flex items-center gap-2 shadow-lg hover:shadow-xl"
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aria-label="Wallet menu"
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aria-expanded={isDropdownOpen}
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>
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<div className="w-2 h-2 bg-green-300 rounded-full animate-pulse" />
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<span className="hidden sm:inline">{formatAddress(wallet.address || '')}</span>
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<span className="sm:hidden">{formatAddress(wallet.address || '', 3)}</span>
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<ChevronDown
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className={`w-4 h-4 transition-transform ${isDropdownOpen ? 'rotate-180' : ''}`}
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/>
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</button>
198-
199-
{/* Dropdown menu */}
200-
{isDropdownOpen && (
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<div className="absolute right-0 mt-2 w-72 bg-white dark:bg-gray-800 rounded-xl shadow-xl border border-gray-200 dark:border-gray-700 overflow-hidden z-50">
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{/* Address section */}
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<div className="p-4 border-b border-gray-200 dark:border-gray-700">
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<p className="text-xs text-gray-500 dark:text-gray-400 uppercase font-semibold mb-2">
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Connected Address
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</p>
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<div className="flex items-center gap-2">
208-
<div className="flex-1">
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<p className="font-mono text-sm font-medium text-gray-900 dark:text-white break-all">
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{wallet.address}
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</p>
212-
</div>
65+
<div className="wallet-connector" role="region" aria-label="Wallet connection">
66+
<div className="p-4 bg-gray-50 rounded-lg">
67+
<p className="text-sm text-gray-600 mb-3" aria-live="polite">
68+
{scanResult.message}
69+
</p>
70+
{!isConnected ? (
71+
<div className="space-y-2">
72+
<p className="text-sm font-medium text-gray-700">Select a wallet to connect:</p>
73+
{scanResult.hasFreighter && (
21374
<button
214-
onClick={handleCopyAddress}
215-
className="p-2 hover:bg-gray-100 dark:hover:bg-gray-700 rounded transition-colors"
216-
aria-label="Copy address"
217-
title="Copy address"
75+
onClick={() => handleConnect('freighter')}
76+
className="w-full px-4 py-2 bg-blue-500 text-white rounded-lg hover:bg-blue-600 transition"
77+
aria-label="Connect Freighter wallet"
21878
>
219-
{copiedAddress ? (
220-
<Check className="w-4 h-4 text-green-600 dark:text-green-400" />
221-
) : (
222-
<Copy className="w-4 h-4 text-gray-600 dark:text-gray-400" />
223-
)}
79+
Connect Freighter
22480
</button>
225-
</div>
226-
</div>
227-
228-
{/* Provider and chain info */}
229-
<div className="p-4 space-y-3 border-b border-gray-200 dark:border-gray-700">
230-
{wallet.provider && (
231-
<div>
232-
<p className="text-xs text-gray-500 dark:text-gray-400 mb-1">Provider</p>
233-
<p className="text-sm font-medium text-gray-900 dark:text-white capitalize">
234-
{wallet.provider}
235-
</p>
236-
</div>
23781
)}
238-
{wallet.chainId && (
239-
<div>
240-
<p className="text-xs text-gray-500 dark:text-gray-400 mb-1">Network</p>
241-
<p className="text-sm font-medium text-gray-900 dark:text-white">
242-
{wallet.supportedChains[wallet.chainId]?.chainName || wallet.chainId}
243-
</p>
244-
</div>
82+
{scanResult.hasEthereum && (
83+
<button
84+
onClick={() => handleConnect('ethereum')}
85+
className="w-full px-4 py-2 bg-gray-500 text-white rounded-lg hover:bg-gray-600 transition"
86+
aria-label="Connect Ethereum wallet"
87+
>
88+
Connect Ethereum Wallet
89+
</button>
24590
)}
24691
</div>
247-
248-
{/* Balances section */}
249-
{showBalance && wallet.balances.length > 0 && (
250-
<div className="p-4 border-b border-gray-200 dark:border-gray-700">
251-
<p className="text-xs text-gray-500 dark:text-gray-400 uppercase font-semibold mb-3">
252-
Balances
253-
</p>
254-
<div className="space-y-2">
255-
{wallet.balances.map((balance) => (
256-
<div key={balance.token} className="flex justify-between items-center text-sm">
257-
<span className="text-gray-600 dark:text-gray-400">{balance.symbol}</span>
258-
<span className="font-medium text-gray-900 dark:text-white">
259-
{parseFloat(balance.balance).toFixed(4)}
260-
</span>
261-
</div>
262-
))}
263-
</div>
264-
</div>
265-
)}
266-
267-
{/* Disconnect button */}
268-
<button
269-
onClick={handleDisconnect}
270-
className="w-full px-4 py-3 text-left hover:bg-red-50 dark:hover:bg-red-900/20 text-red-600 dark:text-red-400 font-medium flex items-center gap-2 transition-colors"
271-
aria-label="Disconnect wallet"
272-
>
273-
<LogOut className="w-4 h-4" />
274-
<span>Disconnect Wallet</span>
275-
</button>
276-
</div>
277-
)}
92+
) : (
93+
<div className="text-center p-2 bg-green-50 rounded-lg">
94+
<p className="text-green-700">✓ Connected to {selectedWallet}</p>
95+
</div>
96+
)}
97+
</div>
27898
</div>
27999
);
280100
};
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282-
export default WalletConnector;

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