# Phase 7, Milestone 3: Ecosystem

> Build ecosystem applications and integrations

**Status**: 🔄 In Progress (85% Complete)
**Priority**: Medium
**Components**: Web wallet, Desktop wallet, Explorer, Documentation, API Gateway

---

## Overview

Develop ecosystem applications including wallet applications, block explorer frontend, API providers, and exchange integrations to support mainnet adoption.

---

## Tasks

### Task 3.1: Web Wallet
- [x] React + TypeScript foundation
- [x] BIP39 mnemonic support
- [x] Ed25519 signing (client-side)
- [x] AES-256-GCM encrypted storage
- [x] Transaction building/signing
- [x] JSON-RPC client
- [x] Zustand state management
- [x] Dilithium3 WASM module (deterministic keygen from seed)
- [x] Hybrid signature support (Ed25519 + Dilithium3)
- [x] QR code generation (receive addresses)
- [x] Hardware wallet support (WebAuthn foundation)
- [x] Multi-language support (i18n with 6 languages)
- [ ] Ledger hardware wallet integration

**Files:**
- `apps/web/` (Complete)
- `crates/synor-crypto-wasm/` (WASM crypto module)

**Status:** 95% Complete

**Features Implemented:**
| Feature | Status | Notes |
|---------|--------|-------|
| Wallet creation | ✅ | BIP39 mnemonic |
| Send/Receive | ✅ | Full transaction flow |
| QR Codes | ✅ | Address sharing |
| Hardware wallet | ✅ | WebAuthn foundation |
| i18n | ✅ | EN, ES, FR, DE, ZH, JA |
| Hybrid signatures | ✅ | Ed25519 + Dilithium3 |

**Validation:**
```bash
cd apps/web
npm install
npm run dev
npm run test
npm run build
```

### Task 3.2: Desktop Wallet
- [x] Tauri 2.0 framework setup
- [x] Native file system access
- [x] BIP39 mnemonic generation
- [x] Argon2id + ChaCha20-Poly1305 encryption
- [x] Secure state management (auto-clear)
- [x] System tray integration
- [x] Auto-updates (tauri-plugin-updater)
- [ ] OS keychain integration
- [ ] Hardware wallet support (Ledger)

**Files:**
- `apps/desktop-wallet/` (Implemented)

**Status:** 90% Complete

**Tech Stack:**
- Tauri 2.0 (Rust + React)
- React + TypeScript + Tailwind CSS
- Native Rust crypto (bip39, argon2, chacha20poly1305)
- Zustand for state management
- tauri-plugin-updater for auto-updates
- tauri-plugin-notification for system notifications

**Features Implemented:**
| Feature | Status | Notes |
|---------|--------|-------|
| Wallet creation | ✅ | BIP39 + Argon2id encryption |
| System tray | ✅ | Show/Hide/Lock/Quit |
| Auto-updates | ✅ | Background update checks |
| Secure storage | ✅ | ChaCha20-Poly1305 |
| Cross-platform | ✅ | macOS, Windows, Linux |

### Task 3.3: Mobile Wallet
- [ ] Flutter setup (cross-platform)
- [ ] Biometric authentication (Face ID / Fingerprint)
- [ ] Push notifications
- [ ] Deep linking
- [ ] App store deployment (iOS + Android)

**Files:**
- `apps/mobile-wallet/` (Planned)

**Status:** Not Started (Deferred)

**Note:** Mobile wallet development deferred to post-mainnet. Will use Flutter for cross-platform native performance.

### Task 3.4: Block Explorer Frontend
- [x] Backend API (apps/explorer)
- [x] React frontend (apps/explorer-web)
- [x] Real-time updates (WebSocket)
- [x] DAG visualization (2D + 3D)
- [x] Address tracking
- [x] Transaction search
- [x] Network status dashboard
- [x] Gas estimator tool
- [x] Docker deployment

**Files:**
- `apps/explorer/` (Rust backend - Complete)
- `apps/explorer-web/` (React frontend - Complete)

**Status:** 100% Complete

**Features Implemented:**
| Feature | Status | Notes |
|---------|--------|-------|
| Home dashboard | ✅ | Real-time stats |
| Block list/detail | ✅ | Pagination, search |
| Transaction view | ✅ | Inputs/outputs |
| Address view | ✅ | Balance, UTXOs |
| DAG visualization | ✅ | 3D force-graph |
| Mempool viewer | ✅ | Pending TXs |
| Network status | ✅ | Health monitoring |
| Gas estimator | ✅ | Fee calculation |
| Dark/Light theme | ✅ | System preference |
| Search autocomplete | ✅ | Blocks/TXs/Addresses |

**Docker Ports:**
- Explorer API: `17200`
- Explorer Web: `17201`

### Task 3.5: Developer Documentation
- [x] DEVELOPER_GUIDE.md
- [x] Host functions documentation
- [x] API reference (rustdoc)
- [x] Tutorial series (4 tutorials)
- [ ] Video walkthroughs
- [x] Example applications

**Files:**
- `docs/DEVELOPER_GUIDE.md` ✅
- `contracts/HOST_FUNCTIONS.md` ✅
- `docs/tutorials/` ✅ (4 tutorials)
- `docs/EXCHANGE_INTEGRATION.md` ✅

**Status:** 90% Complete

**Tutorials Created:**
1. `01-hello-world.md` - First smart contract
2. `02-token-contract.md` - ERC20-style tokens
3. `03-nft-marketplace.md` - NFT minting & trading
4. `04-defi-staking.md` - DeFi staking pools

### Task 3.6: API Providers
- [x] Public RPC endpoints
- [x] Rate limiting tiers
- [x] API key management
- [x] Usage analytics (Redis-based)
- [ ] SLA documentation

**Files:**
- `apps/api-gateway/` ✅ (Complete)

**Status:** 95% Complete

**API Gateway Features:**
| Feature | Status |
|---------|--------|
| Rate limiting | ✅ Token bucket algorithm |
| API key tiers | ✅ Free/Developer/Enterprise |
| Request proxying | ✅ To seed nodes |
| Health checks | ✅ /health endpoint |
| CORS support | ✅ Configurable origins |
| Redis caching | ✅ Response caching |

**Rate Limit Tiers:**
| Tier | Rate Limit | Price |
|------|------------|-------|
| Free | 100 req/min | $0 |
| Developer | 1000 req/min | $49/mo |
| Enterprise | Unlimited | Custom |

**Docker Port:** `17400`

### Task 3.7: Exchange Integrations
- [x] Integration documentation
- [x] Deposit/withdrawal APIs
- [x] Confirmation requirements
- [x] Test environment guide
- [ ] Listing applications

**Files:**
- `docs/EXCHANGE_INTEGRATION.md` ✅ (Comprehensive guide)

**Status:** 80% Complete

**Documentation Covers:**
- Network overview & configuration
- Node setup for exchanges
- Deposit detection workflow
- Withdrawal implementation
- Hot/Cold wallet architecture
- Security best practices
- RPC API reference
- Code examples (Node.js, Python, Rust)

---

## Validation

### Validation Commands

```bash
# Web wallet
cd apps/web
npm test
npm run lint
npm run build

# Desktop wallet
cd apps/desktop-wallet
npm run tauri build

# Explorer
cd apps/explorer-web
npm run build

# API Gateway
cd apps/api-gateway
npm run build

# Documentation
mdbook build docs/

# Full Docker deployment
docker-compose -f docker-compose.testnet.yml --profile explorer --profile api up -d
```

### Validation Agents

| Agent | Purpose |
|-------|---------|
| `code-reviewer` | Review wallet code |
| `frontend-design` | UI/UX review |
| `pr-test-analyzer` | Test coverage |

### Security Checklist

**Web Wallet:**
- [x] CSP headers configured
- [x] No XSS vulnerabilities
- [x] Secure cookie settings
- [x] HTTPS enforced
- [x] Private key never transmitted

**API Gateway:**
- [x] Rate limiting active
- [x] Input validation
- [x] Error messages safe
- [x] Logging sanitized

---

## Progress Summary

| Component | Progress | Status |
|-----------|----------|--------|
| Web Wallet | 95% | QR, hardware, i18n complete |
| Desktop Wallet | 90% | System tray, auto-updates complete |
| Mobile Wallet | 0% | Deferred to post-mainnet |
| Explorer Frontend | 100% | All features + Docker deployment |
| Documentation | 90% | 4 tutorials + exchange docs |
| API Providers | 95% | Gateway with rate limiting |
| Exchange Integration | 80% | Comprehensive docs ready |

**Overall Milestone Progress: 85%**

---

## Remaining Work

1. **Ledger hardware wallet** - Desktop wallet integration
2. **OS keychain integration** - Desktop wallet security
3. **Video walkthroughs** - Documentation enhancement
4. **SLA documentation** - API provider terms
5. **Exchange listing applications** - Outreach to exchanges

---

## Acceptance Criteria

1. ✅ Web wallet fully functional
2. ✅ Explorer frontend live
3. ✅ Documentation complete (tutorials, exchange guide)
4. ✅ API provider operational
5. ✅ Exchange integration documentation ready

---

*Started: January 2026*
*Last Updated: January 10, 2026*
*Target: Q2 2026*
