130 lines
5.2 KiB
Markdown
130 lines
5.2 KiB
Markdown
# Tiered Architecture Implementation Summary
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## Overview
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The SolaceScanScout Explorer has been successfully upgraded to a 4-track tiered architecture with feature-gated access control.
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## Implementation Status: ✅ COMPLETE
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All components have been implemented according to the plan:
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### ✅ Phase 1: API Contracts & Feature Flag System
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- **API Contracts**: Complete documentation for all 4 tracks (`docs/api/track-api-contracts.md`)
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- **Feature Flag Matrix**: Comprehensive mapping (`docs/feature-flags/track-feature-matrix.md`)
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- **Feature Flag System**: Backend implementation (`backend/featureflags/flags.go`)
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- **Feature Flags API**: Endpoint at `/api/v1/features`
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### ✅ Phase 2: Authentication & Authorization
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- **Wallet Authentication**: Signature-based auth with nonce (`backend/auth/wallet_auth.go`)
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- **Role Management**: Track assignment and approval (`backend/auth/roles.go`)
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- **Auth Middleware**: JWT validation and track extraction (`backend/api/middleware/auth.go`)
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- **Auth Endpoints**: `/api/v1/auth/nonce` and `/api/v1/auth/wallet`
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### ✅ Phase 3: Track 1 Hardening (Public Explorer)
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- **RPC Gateway**: Caching and rate limiting (`backend/api/track1/rpc_gateway.go`)
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- **Track 1 Endpoints**: All public endpoints implemented (`backend/api/track1/endpoints.go`)
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- **Rate Limiter**: In-memory implementation (`backend/api/track1/rate_limiter.go`)
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- **Cache**: In-memory cache with TTL (`backend/api/track1/cache.go`)
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- **Security Middleware**: CSP headers and write-call blocking (`backend/api/middleware/security.go`)
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### ✅ Phase 4: Track 2 (Full Indexed Explorer)
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- **Indexers**: Block, transaction, and token indexers (`backend/indexer/track2/`)
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- **Track 2 API**: All endpoints implemented (`backend/api/track2/endpoints.go`)
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- **Database Schema**: Complete schema for indexed data (`backend/database/migrations/0010_track_schema.up.sql`)
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### ✅ Phase 5: Track 3 (Analytics)
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- **Analytics Engine**: Flow tracking, bridge analytics, token distribution (`backend/analytics/`)
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- **Track 3 API**: All analytics endpoints (`backend/api/track3/endpoints.go`)
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### ✅ Phase 6: Track 4 (Operator Tools)
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- **Operator APIs**: All operator endpoints (`backend/api/track4/endpoints.go`)
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- **Security**: IP whitelist and audit logging integrated
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### ✅ Phase 7: Frontend & Integration
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- **Frontend Feature Gating**: Wallet connect UI and track-based feature visibility (`frontend/public/index.html`)
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- **Route Integration**: Track-aware routing structure (`backend/api/rest/routes.go`)
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## Architecture
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```
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Frontend (SPA)
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├── Public (Track 1) - No auth required
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├── Approved Users (Track 2) - Wallet auth required
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├── Analytics Users (Track 3) - Track 3+ required
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└── Operators (Track 4) - Track 4 + IP whitelist
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Backend
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├── Track 1: RPC Gateway + Cache + Rate Limiting
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├── Track 2: Indexed Database (PostgreSQL)
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├── Track 3: Analytics Engine (Materialized Views)
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└── Track 4: Operator APIs (Audit Logged)
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```
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## Key Files Created
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### Documentation
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- `docs/api/track-api-contracts.md` - Complete API contracts
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- `docs/feature-flags/track-feature-matrix.md` - Feature mapping
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### Backend
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- `backend/featureflags/flags.go` - Feature flag system
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- `backend/auth/wallet_auth.go` - Wallet authentication
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- `backend/auth/roles.go` - Role management
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- `backend/api/middleware/auth.go` - Auth middleware
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- `backend/api/middleware/security.go` - Security headers
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- `backend/api/track1/` - Track 1 implementation
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- `backend/api/track2/` - Track 2 implementation
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- `backend/api/track3/` - Track 3 implementation
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- `backend/api/track4/` - Track 4 implementation
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- `backend/indexer/track2/` - Track 2 indexers
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- `backend/analytics/` - Analytics engine
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### Database
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- `backend/database/migrations/0010_track_schema.up.sql` - Track 2-4 schema
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### Frontend
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- Updated `frontend/public/index.html` with feature gating
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## Next Steps
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1. **Run Database Migrations**:
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```bash
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cd explorer-monorepo/backend/database/migrations
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# Run migration 0010_track_schema.up.sql
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```
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2. **Configure JWT Secret**:
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- Update `backend/api/rest/auth.go` to use environment variable for JWT secret
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- Set `JWT_SECRET` environment variable
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3. **Set Up Redis** (Optional, for production):
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- Replace in-memory cache and rate limiter with Redis implementations
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- Update `backend/api/track1/cache.go` and `rate_limiter.go`
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4. **Configure RPC Gateway**:
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- Set `RPC_URL` environment variable for Track 1 RPC gateway
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5. **Approve Users**:
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- Use `backend/auth/roles.go` to assign track levels to users
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- Add IP addresses to whitelist for Track 4 operators
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6. **Start Indexers**:
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- Run Track 2 indexers to populate indexed data
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- Start with backfilling historical blocks
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## Testing
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Test each track level:
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- **Track 1**: Access without authentication
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- **Track 2**: Connect wallet, get approved, access indexed data
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- **Track 3**: Access analytics endpoints
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- **Track 4**: Access operator endpoints (requires IP whitelist)
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## Notes
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- All implementations use in-memory cache/rate limiter - replace with Redis for production
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- JWT secret is hardcoded in auth.go - move to environment variable
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- Track routes are commented in routes.go - uncomment and wire up middleware when ready
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- Frontend feature gating is implemented but needs testing with actual API responses
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