Credence Documentation

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Decentralized Trust Networks - Documentation and Deployment Guides

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TODO - Desktop Wallet Development

🖥️ Credence Desktop Wallet (Electron + TypeScript + React)

✅ Phase 1: Project Foundation - COMPLETED

Project Structure & Configuration

  • Set up desktop wallet project structure
  • Configure TypeScript for main process and renderer
  • Set up Webpack build configuration
  • Add Electron Builder for cross-platform packaging
  • Create development scripts and hot reload

Go Backend Integration

  • Create Electron main process with Go integration
  • Implement Go subprocess management (walletd)
  • Add process lifecycle management (start/stop/restart)
  • Create HTTP client for Go service communication
  • Add error handling and recovery for Go service

Security & IPC Setup

  • Implement secure IPC bridge (preload script)
  • Create type-safe API contracts between processes
  • Add context isolation and security policies
  • Implement secure storage for sensitive data
  • Set up encrypted configuration management
  • Add comprehensive error handling and validation
  • Implement security audit logging

React Frontend Foundation

  • Build React frontend for wallet UI
  • Set up routing and navigation structure
  • Create main layout and sidebar navigation
  • Add TypeScript interfaces for all data types
  • Implement global state management (Context)
  • Add error boundary and error handling

✅ Phase 2: Core Wallet Features - COMPLETED

Go Service (walletd) Implementation

  • Create cmd/walletd/main.go HTTP API service
  • Implement wallet REST endpoints
    • POST /v1/keys/generate - Key generation
    • GET /v1/keys - List keys
    • POST /v1/dids/create - DID creation
    • GET /v1/dids - List DIDs
    • POST /v1/credentials/store - Store VC
    • GET /v1/credentials - List credentials
    • POST /v1/events - Create vouches/reports
    • GET /v1/events - List events
    • GET /v1/scores - Trust score retrieval
  • Add CORS and security middleware
  • Integrate with existing internal/wallet package
  • Add configuration and logging
  • Add graceful shutdown and error handling
  • Add event system for vouches and reports
  • Add trust score calculation and management

Key & DID Management UI

  • Create key generation wizard
  • Build key management interface (list, view, delete)
  • Implement DID creation and management
  • Add key backup and recovery flows
  • Create comprehensive backup/restore system
  • Add key import/export functionality

✅ Phase 3: Identity & Credentials - COMPLETED

Verifiable Credentials UI

  • Build VC storage and management interface
  • Create credential import/export flows
  • Add credential verification and validation display
  • Implement credential presentation creation
  • Add credential metadata and tags management
  • Create credential sharing interface
  • Add batch credential operations
  • Add advanced search and filtering

Advanced Credential Systems

  • Schema Validation System - Comprehensive credential schema validation
    • HTTP/HTTPS schema fetching with caching
    • Built-in schemas for common credential types
    • JSONPath-based property validation
    • Type and format constraint checking
    • Integration with credential verification pipeline
  • Presentation Definition Handling - DIF Presentation Exchange support
    • Complete presentation definition processor
    • Input descriptor evaluation and matching
    • Field constraint validation with JSONPath selectors
    • Credential format compatibility checking
    • Automatic submission generation
    • REST API endpoints for evaluation and submission
  • Trust Framework Integration - Policy-based verification
    • Comprehensive trust framework engine
    • Trusted issuer management with validity periods
    • Policy-based verification rules (allowlist, blocklist, expiry, etc.)
    • Policy violation tracking and reporting
    • Trust level assessment and confidence scoring
    • Integration with credential verification workflow
  • Advanced Verification Flows - Sophisticated verification workflows
    • Batch verification with configurable concurrency
    • Multi-step verification workflows with dependency management
    • Custom verification step types (credential, presentation, policy)
    • Verification result aggregation and analysis
    • Issuer analysis and recommendations
    • REST API endpoints for batch and workflow operations

Identity Features

  • Implement DID document viewer
  • Add DID resolution and verification
  • Create identity verification flows
  • Add profile management interface
  • Implement contact management (other DIDs)
  • Add identity backup and recovery

✅ Phase 4: Trust Score & Events - COMPLETED

Event System Implementation

  • Implement vouch/report event schemas
  • Create event signing with existing wallet logic
  • Add vouch budget tracking and enforcement
  • Implement event storage and retrieval system
  • Add event history and status tracking
  • Add comprehensive event management APIs

Trust Score Integration

  • Create trust score dashboard
  • Add score calculation and retrieval system
  • Implement score visualization and charts
  • Add context-based score display (general, commerce, hiring)
  • Create proof verification interface
  • Add score trend analysis and history
  • Add advanced trust score search and filtering

Vouch & Report UI

  • Design vouch creation interface
  • Implement report creation flows
  • Add budget monitoring per context/epoch
  • Create event approval and confirmation flows
  • Add transaction history and details view
  • Implement batch operations interface
  • Add comprehensive event filtering and search

✅ Phase 5: Network & Integration - COMPLETED

P2P Network Integration

  • Add network status indicators with enhanced monitoring
  • Implement real-time event updates with live feed
  • Create checkpoint verification display with BLS signature validation
  • Add network health monitoring with comprehensive metrics
  • Implement peer connection management with detailed controls
  • Add network statistics and diagnostics with real-time updates
  • Create comprehensive Network page with tabbed interface

Rules Registry Integration

  • Integrate with consensus rules system
  • Add ruleset display and version tracking
  • Implement governance proposal viewing with voting information
  • Create rule change notification system with real-time updates
  • Add committee information display
  • Implement rules management interface with filtering and search

✅ Phase 6: User Experience & Polish - COMPLETED

Desktop Integration

  • Add system tray integration
  • Implement auto-start on system boot
  • Create native notifications
  • Add keyboard shortcuts and accessibility
  • Implement comprehensive UI/UX design
  • Add window state persistence

Security Features

  • Implement app-level password/PIN protection with setup wizard
  • Add biometric authentication support (framework ready)
  • Create secure session management with auto-expiry
  • Implement auto-lock functionality with configurable timeouts
  • Add security audit logging capability
  • Create backup encryption and recovery system

User Experience

  • Add comprehensive onboarding wizard for new users
  • Create comprehensive help system integration
  • Implement global search functionality with keyboard shortcuts
  • Add advanced data export/import tools with settings
  • Create comprehensive settings and preferences interface
  • Add internationalization (i18n) support framework

📋 Phase 7: Testing & Distribution

Testing Infrastructure

  • Set up Jest for unit testing with TypeScript support
  • Add React Testing Library for component tests
  • Create Electron testing with Playwright
  • Implement basic test structure with examples and utilities
  • Add end-to-end testing framework for critical flows
  • Set up test mocks and utilities for comprehensive testing
  • Implement integration tests with Go service
  • Create performance testing and monitoring

Distribution & Updates

  • Configure Electron Builder for all platforms
  • Set up code signing for Windows/Mac
  • Implement auto-updater functionality
  • Create installer packages (MSI, DMG, AppImage)
  • Add crash reporting and analytics
  • Set up release pipeline and distribution

Technology Stack

  • Main Process: TypeScript + Electron APIs
  • Frontend: React 18+ + TypeScript + CSS Modules/Styled Components
  • Backend: Go HTTP service (walletd) using existing internal/wallet
  • IPC: Type-safe communication via contextBridge
  • State Management: React Context + useReducer or Zustand
  • UI Library: Material-UI or Ant Design for consistent components
  • Testing: Jest + React Testing Library + Electron testing
  • Build: Webpack + Electron Builder
  • Distribution: Cross-platform packages with auto-updater

Key Features

  1. DID & Key Management: Ed25519 keys with secure OS storage
  2. Verifiable Credentials: Full VC-JWT lifecycle management
  3. Trust Scores: Dashboard with context-based scoring
  4. Event System: Vouch/report creation with budget enforcement
  5. Network Integration: P2P communication (future phase)
  6. Desktop Native: System tray, notifications, auto-start
  7. Security First: Encrypted storage, secure IPC, audit logging

Development Workflow

# Setup
npm install                    # Install Node dependencies
make install-go-deps          # Install/build Go dependencies

# Development
npm run dev                   # Start Electron with hot reload
                             # Automatically starts walletd subprocess

# Testing  
npm test                      # Run all tests
npm run test:e2e             # End-to-end testing

# Building
npm run build                # Build for current platform
npm run build:all            # Build for all platforms
npm run dist                 # Create distribution packages

Security Model

  • Process Isolation: Renderer sandboxed, no Node.js access
  • Secure IPC: All communication via typed contextBridge APIs
  • Key Storage: OS keychain integration for sensitive data
  • Go Integration: Subprocess communication via localhost HTTP
  • Code Signing: Production builds signed for Windows/Mac
  • Auto-Updates: Secure update mechanism with signature verification

🎯 Current Status & Next Steps

Phase 1: Project Foundation ✅

  • Complete Electron + TypeScript + React development environment
  • Secure Go subprocess integration with walletd HTTP service
  • Professional desktop application architecture with security model

Phase 2: Core Wallet Features ✅

  • Full HTTP API service with 25+ REST endpoints
  • Complete key and DID management with secure storage
  • Comprehensive backup/restore and data management systems

Phase 3: Identity & Credentials ✅

  • Advanced schema validation and presentation definition support
  • Enterprise-grade trust framework with policy-based verification
  • Sophisticated verification workflows with batch processing capabilities

Phase 4: Trust Score & Events ✅

  • Complete trust score calculation and visualization system
  • Full event management for vouches/reports with budget tracking
  • Advanced search, filtering, and batch operations

Phase 5: Network & Integration ✅

  • Comprehensive P2P network integration with real-time monitoring
  • Advanced checkpoint verification with BLS signature validation
  • Live event feeds and peer connection management
  • Rules registry integration with governance features
  • Complete network diagnostics and health monitoring

Phase 6: User Experience & Polish ✅

  • Advanced app-level security with password/PIN protection
  • Secure session management with auto-expiry
  • Comprehensive onboarding wizard for new users
  • Global search functionality with keyboard shortcuts
  • Full-featured settings interface with 7 category tabs
  • Complete desktop integration with system tray

Phase 7: Testing & Distribution 🔄 (In Progress)

  • Complete testing infrastructure with Jest and React Testing Library
  • Electron E2E testing framework with Playwright
  • Comprehensive test utilities and mocking system
  • Basic distribution setup with Electron Builder