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Complete Swig wallet integration with documentation and fixes
Co-authored-by: 0xrinegade <[email protected]>
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‎.env.example‎

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# Environment Variables for Swig Wallet Integration
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# Para SDK API Key (required for OAuth authentication)
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# Get your API key from: https://para.build/
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NEXT_PUBLIC_PARA_API_KEY=your_para_api_key_here
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# Alternative environment variable name (fallback)
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PARA_API_KEY=your_para_api_key_here
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# Network Configuration
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# Options: localnet, devnet, mainnet-beta
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NEXT_PUBLIC_SOLANA_NETWORK=devnet
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# Development Settings
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NODE_ENV=development
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NEXT_PUBLIC_APP_ENV=development
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# Example .env.local file (copy this to .env.local and update values)
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# NEXT_PUBLIC_PARA_API_KEY=your_actual_api_key_here

‎SWIG_WALLET_INTEGRATION.md‎

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# Swig Wallet Integration
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This document describes the replacement of Solana wallet adapter with Swig wallet integration.
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## Overview
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The application has been updated to use Swig wallet instead of traditional Solana wallet adapter. This provides OAuth-based authentication and in-app wallet creation, making it easier for users to get started without needing to install browser extensions.
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## Key Changes
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### Dependencies
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**Removed:**
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- `@solana/wallet-adapter-react`
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- `@solana/wallet-adapter-react-ui`
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- `@solana/wallet-adapter-wallets`
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- `@solana/wallet-adapter-base`
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**Added:**
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- `@getpara/web-sdk`
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- `@swig-wallet/classic`
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- `@swig-wallet/coder`
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- `@noble/curves`
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- `@noble/hashes`
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### Components
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1. **SwigWalletProvider** - Replaces `SafeWalletProvider`
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- Provides OAuth authentication
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- Manages wallet state
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- Supports both Solana (Ed25519) and EVM (Secp256k1) wallets
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2. **SwigWalletButton** - Replaces `WalletMultiButton`
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- Shows authentication modal
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- Handles OAuth login flow
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- Compatible interface with existing code
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3. **OAuthButtons** - New component
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- Provides OAuth login options (Google, Apple, Farcaster)
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- Handles authentication flow
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### Authentication Flow
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1. User clicks "Connect Wallet"
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2. Authentication modal opens with OAuth options
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3. User selects OAuth provider (Google, Apple, or Farcaster)
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4. User completes OAuth flow in popup window
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5. Para SDK creates or accesses existing wallet
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6. Application receives wallet connection confirmation
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### Wallet Types
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- **Solana (Ed25519)** - Traditional Solana wallets
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- **EVM (Secp256k1)** - Ethereum-compatible wallets
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Users can switch between wallet types in their settings.
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## Environment Setup
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### Required Environment Variables
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```bash
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# Para SDK API Key (required)
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NEXT_PUBLIC_PARA_API_KEY=your_para_api_key_here
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# Alternative fallback
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PARA_API_KEY=your_para_api_key_here
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```
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### Getting a Para API Key
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1. Visit [Para SDK](https://para.build/)
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2. Sign up for an account
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3. Create a new application
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4. Copy your API key
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5. Add it to your `.env.local` file
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## Migration Guide
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### For Developers
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The Swig wallet integration maintains backward compatibility:
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```javascript
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// Old way (still works)
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import { useSafeWallet } from '../contexts/WalletContextProvider';
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// New way (recommended)
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import { useSwigWallet } from '../contexts/SwigWalletProvider';
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// Both provide the same interface:
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const { connected, publicKey, connect, disconnect } = useSwigWallet();
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```
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### For Users
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- No wallet extension installation required
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- Sign in with existing accounts (Google, Apple, Farcaster)
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- Seamless wallet creation and management
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- Multi-chain support (Solana and EVM)
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## Features
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### OAuth Authentication
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- Google OAuth
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- Apple OAuth
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- Farcaster OAuth
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- Secure popup-based flow
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### Wallet Management
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- Automatic wallet creation
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- Multi-chain support
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- Secure key management
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- Session persistence
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### Error Handling
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- Comprehensive error messages
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- Automatic retry logic
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- Graceful fallbacks
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- User-friendly troubleshooting
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## Troubleshooting
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### Common Issues
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1. **"Para API key not found" error**
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- Solution: Add `NEXT_PUBLIC_PARA_API_KEY` to your environment variables
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2. **OAuth popup blocked**
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- Solution: Allow popups for the application domain
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3. **Authentication fails**
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- Solution: Check network connection and try different OAuth provider
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### Development Mode
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In development without a Para API key, the application will use mock wallet functions that return safe default values. This allows development to continue without requiring API key setup.
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## Security
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- OAuth flows are handled by Para SDK
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- Private keys never leave Para's secure infrastructure
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- Application only receives public keys and signatures
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- All transactions require user approval
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## Testing
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The integration includes comprehensive tests for:
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- Wallet provider functionality
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- OAuth authentication flow
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- Component rendering
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- Error handling
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- Backward compatibility
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Run tests with:
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```bash
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npm test src/tests/swig-wallet-integration.test.js
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```
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## API Reference
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See [wallet-operations.md](./docs/api/wallet-operations.md) for detailed API documentation.

‎src/components/RewardWidget.js‎

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border-color: var(--ascii-red);
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background: rgba(220, 38, 127, 0.1);
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}
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`;
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`}</style>
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</div>
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);

‎src/tests/swig-wallet-integration.test.js‎

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/**
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* Test for Swig Wallet Integration
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*/
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import React from 'react';
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import { render, screen } from '@testing-library/react';
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import '@testing-library/jest-dom';
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// Mock the Swig wallet modules to avoid BigInt issues
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jest.mock('../client/para', () => ({
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para: {
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isFullyLoggedIn: jest.fn(() => Promise.resolve(false)),
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getWallets: jest.fn(() => Promise.resolve({})),
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logout: jest.fn(() => Promise.resolve()),
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getFarcasterConnectURL: jest.fn(() => Promise.resolve('')),
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waitForFarcasterStatus: jest.fn(() => Promise.resolve({ userExists: false, username: '' })),
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initiateUserLogin: jest.fn(() => Promise.resolve('')),
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getSetUpBiometricsURL: jest.fn(() => Promise.resolve('')),
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waitForLoginAndSetup: jest.fn(() => Promise.resolve({})),
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waitForPasskeyAndCreateWallet: jest.fn(() => Promise.resolve({})),
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getOAuthURL: jest.fn(() => Promise.resolve('')),
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waitForOAuth: jest.fn(() => Promise.resolve({ email: '', userExists: false })),
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createWallet: jest.fn(() => Promise.resolve({})),
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findWalletByAddress: jest.fn(() => Promise.resolve(null)),
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signMessage: jest.fn(() => Promise.resolve({ signature: '' }))
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}
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}));
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// Mock @getpara/web-sdk to avoid import issues
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jest.mock('@getpara/web-sdk', () => ({
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Environment: {
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BETA: 'beta'
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},
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ParaWeb: jest.fn(),
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OAuthMethod: {
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GOOGLE: 'google',
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APPLE: 'apple',
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FARCASTER: 'farcaster'
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}
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}));
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// Mock @swig-wallet/classic to avoid BigInt issues
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jest.mock('@swig-wallet/classic', () => ({
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fetchSwig: jest.fn(),
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Role: jest.fn(),
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Actions: {
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set: jest.fn(() => ({
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solLimit: jest.fn(),
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get: jest.fn(() => ({}))
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}))
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},
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Ed25519Authority: {
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fromPublicKey: jest.fn()
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},
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Secp256k1Authority: {
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fromPublicKeyBytes: jest.fn()
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},
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addAuthorityInstruction: jest.fn()
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}));
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// Test components
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import { SwigWalletProvider } from '../contexts/SwigWalletProvider';
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import { SwigWalletButton } from '../components/SwigWalletButton';
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import { OAuthButtons } from '../components/OAuthButtons';
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describe('Swig Wallet Integration', () => {
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test('SwigWalletProvider renders without errors', () => {
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render(
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<SwigWalletProvider>
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<div>Test content</div>
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</SwigWalletProvider>
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);
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expect(screen.getByText('Test content')).toBeInTheDocument();
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});
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test('SwigWalletButton renders connect button when not connected', () => {
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render(
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<SwigWalletProvider>
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<SwigWalletButton />
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</SwigWalletProvider>
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);
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expect(screen.getByText('Connect Wallet')).toBeInTheDocument();
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});
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test('OAuthButtons renders authentication options', () => {
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const mockOnSelect = jest.fn();
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render(
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<OAuthButtons onSelect={mockOnSelect} />
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);
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expect(screen.getByText('Sign in to continue')).toBeInTheDocument();
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expect(screen.getByText('Continue with Google')).toBeInTheDocument();
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expect(screen.getByText('Continue with Apple')).toBeInTheDocument();
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expect(screen.getByText('Continue with Farcaster')).toBeInTheDocument();
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});
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test('OAuthButtons shows loading state', () => {
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const mockOnSelect = jest.fn();
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render(
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<OAuthButtons onSelect={mockOnSelect} isLoading={true} />
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);
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expect(screen.getByText('Authenticating...')).toBeInTheDocument();
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});
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});
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describe('Swig Wallet Detection', () => {
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test('detectSwigWallet returns proper structure', async () => {
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const { detectSwigWallet } = require('../utils/walletDetection');
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const result = await detectSwigWallet();
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expect(result).toHaveProperty('detected');
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expect(result).toHaveProperty('available');
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expect(result).toHaveProperty('recommended');
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expect(result).toHaveProperty('hasAnyWallet');
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expect(result).toHaveProperty('needsAuthentication');
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expect(result).toHaveProperty('isAuthenticated');
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// Should have Swig wallet in available options
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expect(result.available).toEqual(
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expect.arrayContaining([
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expect.objectContaining({
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name: 'Swig Wallet',
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type: 'swig'
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})
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])
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);
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});
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});
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describe('Legacy Compatibility', () => {
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test('WalletContextProvider exports work for backward compatibility', () => {
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const { SafeWalletProvider, useSafeWallet } = require('../contexts/WalletContextProvider');
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expect(SafeWalletProvider).toBeDefined();
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expect(useSafeWallet).toBeDefined();
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expect(typeof useSafeWallet).toBe('function');
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});
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});

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