Ledger: Implementation & Traceability¶
This document tracks the implementation status of key requirements and ADRs, ensuring full traceability from decision to code.
ADR Status¶
| ADR ID | Title | Status | Implemented | Verification | Issue | Commits |
|---|---|---|---|---|---|---|
| 001 | Connectivity Check Strategy | Accepted | ✅ Yes | --check-connectivity |
- | ee068e1 |
| 002 | Dry Run Safety Mode | Accepted | ✅ Yes | --dry-run |
- | ee068e1 |
| 003 | Documentation Site Architecture | Accepted | ✅ Yes | mkdocs build --strict |
#1 | bcfa0d6, eb4a393 |
| 004 | Core Engine in Rust | Accepted | ✅ Complete | cargo build, EIP-712/RSA-PSS, NonceManager |
#2, #18 | - |
| 005 | Actor Model with Message Passing | Accepted | ✅ Complete | cargo test actors, RiskManagerActor |
#2, #19 | - |
| 006 | Lock-Free Orderbook Cache | Accepted | ✅ Yes | src/market/orderbook_cache.rs, 8 tests |
#5 | - |
| 007 | Execution State Machine (Saga) | Accepted | ✅ Complete | cargo test execution, CompensationExecutor, HedgeCalculator |
#2, #20 | - |
| 008 | Control Interface Architecture | Accepted | ✅ Yes | gRPC server (40 tests) + Telegram bot (60 tests) | #9, #10 | - |
| 009 | Credential Management | Accepted | ✅ Complete | AES-256-GCM, HKDF, AWS Secrets Manager, Key Rotation (28 tests) | #8, #21 | - |
| 010 | Deployment Architecture | Accepted | ✅ Yes | Terraform modules, GitHub Actions CI/CD | #13 | PR #17 |
| 011 | Multi-Tenancy Model | Accepted | ✅ Yes | UserContext, RLS, rate limiting (57 tests) | #11, #12 | PR #16 |
| 012 | Performance Monitoring Architecture | Accepted | ✅ Yes | src/metrics/: timing.rs, histogram.rs, collector.rs (9 tests) |
#23, #24, #25 | PR #30 |
| 013 | Low-Latency Optimizations | Accepted | ✅ Yes | src/runtime/: cache_align.rs, pool.rs, polling.rs, affinity.rs (17 tests) |
#26, #27, #28, #29 | PR #30 |
| 014 | Paper Trading and Backtesting | Accepted | ✅ Yes | src/simulation/, src/position/, src/history/, src/analytics/, src/clock/ (65 tests) |
#31-#37 | PR #38 |
| 015 | Kalshi Demo Environment Support | Accepted | ✅ Yes | src/market/kalshi_env.rs, --kalshi-demo CLI flag (4 tests) |
#39 | da5d04d |
Requirement Traceability¶
Security & Safety (NFR-SEC)¶
| Req ID | Description | Status | Implementation Details |
|---|---|---|---|
| NFR-SEC-001 | Encrypted private key storage | ✅ Complete | AES-256-GCM + HKDF in src/security/credential_store.rs, zeroize on drop |
| NFR-SEC-006 | Dry Run Mode | ✅ Complete | main.rs, PolymarketClient::place_order, KalshiClient::place_order |
| NFR-SEC-007 | Connectivity Check | ✅ Complete | main.rs, ExchangeClient::check_connectivity |
Architecture (NFR-ARCH)¶
| Req ID | Description | Status | ADR | Implementation Details |
|---|---|---|---|---|
| NFR-ARCH-001 | Core engine in Rust | ✅ Complete | ADR-004 | arbiter-engine/, EIP-712, RSA-PSS, NonceManager |
| NFR-ARCH-002 | Actor model with message passing | ✅ Complete | ADR-005 | src/actors/{arbiter,executor,risk}.rs |
| NFR-ARCH-003 | Lock-free orderbook cache | ✅ Complete | ADR-006 | arc_swap + dashmap, 8 tests |
| NFR-ARCH-004 | Saga pattern for distributed transactions | ✅ Complete | ADR-007 | src/execution/{state_machine,compensation,hedge}.rs |
| NFR-ARCH-005 | Telegram + REST/gRPC interfaces | ✅ Complete | ADR-008 | gRPC: src/api/, Telegram: telegram-bot/ |
| NFR-ARCH-006 | Deploy in AWS us-east-1 | ✅ Complete | ADR-010 | Terraform: VPC, ECS, Aurora, Redis, Secrets |
| NFR-ARCH-007 | Multi-tenant with pod isolation | ✅ Complete | ADR-011 | src/tenant/, src/db/, PostgreSQL RLS |
Market Integration¶
| Feature | Status | Implementation Details |
|---|---|---|
| Polymarket Auth | ✅ Complete | EIP-712 Signing (Alloy) |
| Kalshi Auth | ✅ Complete | RSA-PSS Signing (RSA crate) |
| Polymarket WebSocket | ✅ Complete | Real-time orderbook via WebSocket |
| Kalshi WebSocket | ✅ Complete | LocalOrderbook with delta application, BTreeMap sorted levels (16 tests) |
Performance Monitoring (NFR-PERF) - ADR-012¶
| Req ID | Description | Status | ADR | Implementation Details |
|---|---|---|---|---|
| NFR-PERF-001 | TSC latency measurement | ✅ Complete | ADR-012 | src/metrics/timing.rs: RDTSCP + LFENCE (x86_64), CNTVCT_EL0 + ISB (ARM), Instant fallback |
| NFR-PERF-002 | HDR histogram latency tracking | ✅ Complete | ADR-012 | src/metrics/histogram.rs: ThreadLocalHistogram with double-buffering, SPSC export |
| NFR-PERF-003 | Warm path tracing | ⏳ Future | ADR-012 | Non-blocking tracing subscriber (Phase 2) |
| NFR-PERF-004 | Prometheus export | ⏳ Future | ADR-012 | Metrics endpoint with KPI gauges (Phase 3) |
| NFR-PERF-005 | Alerting | ⏳ Future | ADR-012 | p99 > 2ms threshold alerts (Phase 4) |
| NFR-PERF-006 | Platform portability | ✅ Complete | ADR-012 | src/metrics/timing.rs: x86_64, ARM, fallback |
Low-Latency Optimizations (NFR-OPT) - ADR-013¶
| Req ID | Description | Status | ADR | Implementation Details |
|---|---|---|---|---|
| NFR-OPT-001 | Thread affinity | ✅ Complete | ADR-013 | src/runtime/affinity.rs: core_affinity crate, fail-loud pinning |
| NFR-OPT-002 | Adaptive busy-polling | ✅ Complete | ADR-013 | src/runtime/polling.rs: BusyPollReceiver with configurable spin/yield |
| NFR-OPT-003 | Object pools | ✅ Complete | ADR-013 | src/runtime/pool.rs: Fixed-size Slab pools with pre-warming |
| NFR-OPT-004 | Cache-line alignment | ✅ Complete | ADR-013 | src/runtime/cache_align.rs: CacheAligned<T> with #[repr(C, align(64))] |
| NFR-OPT-005 | Low-latency channels | ✅ Complete | ADR-013 | src/runtime/polling.rs: Uses crossbeam::channel |
Observability (NFR-OBS) - ADR-012¶
| Req ID | Description | Status | ADR | Implementation Details |
|---|---|---|---|---|
| NFR-OBS-001 | Prometheus metrics endpoint | ⏳ Future (Phase 3) | ADR-012 | HTTP endpoint for Prometheus scraping |
| NFR-OBS-002 | Grafana dashboards | ⏳ Future (Phase 3) | ADR-012 | Pre-built dashboards for KPIs |
| NFR-OBS-003 | Structured JSON logging | ⏳ Future (Phase 2) | ADR-012 | tracing crate with non-blocking subscriber |
| NFR-OBS-004 | Distributed tracing | ⏳ Future | - | OpenTelemetry integration |
| NFR-OBS-005 | Alert manager integration | ⏳ Future (Phase 4) | ADR-012 | Threshold-based alerts for KPI breaches |
Paper Trading & Backtesting (NFR-SIM) - ADR-014¶
| Req ID | Description | Status | ADR | Implementation Details |
|---|---|---|---|---|
| NFR-SIM-001 | SimulatedExchangeClient | ✅ Complete | ADR-014 | src/simulation/client.rs: Implements ExchangeClient trait (11 tests) |
| NFR-SIM-002 | Fill simulation with latency | ✅ Complete | ADR-014 | src/simulation/client.rs:56-58: tokio::time::sleep(latency) |
| NFR-SIM-003 | Partial fill support | ✅ Complete | ADR-014 | src/simulation/matching_engine.rs:133-160: Level-by-level crossing |
| NFR-SIM-004 | Order book state tracking | ✅ Complete | ADR-014 | src/simulation/matching_engine.rs:63-66: RwLock orderbook |
| NFR-SIM-006 | Fee simulation | ✅ Complete | ADR-014 | src/simulation/config.rs:79-84: Kalshi 7% formula |
| NFR-SIM-010 | Paper position tracking | ✅ Complete | ADR-014 | src/position/tracker.rs:128-137: RwLock HashMap (11 tests) |
| NFR-SIM-011 | Real-time PnL calculation | ✅ Complete | ADR-014 | src/position/tracker.rs:299-343: Realized/unrealized PnL |
| NFR-SIM-012 | Position limits enforcement | ✅ Complete | ADR-014 | src/position/tracker.rs:248-296: check_limits() |
| NFR-SIM-013 | Multi-market portfolio | ✅ Complete | ADR-014 | src/position/tracker.rs:341-343: total_pnl() aggregation |
| NFR-SIM-020 | SQLite trade storage | ✅ Complete | ADR-014 | src/history/storage.rs: rusqlite (10 tests) |
| NFR-SIM-021 | Live data recording | ✅ Complete | ADR-014 | src/history/storage.rs:155-180: record_market_data() |
| NFR-SIM-022 | Time-range queries | ✅ Complete | ADR-014 | src/history/storage.rs:182-220: Indexed queries |
| NFR-SIM-030 | Historical data replay | ✅ Complete | ADR-014 | src/history/replayer.rs: DataReplayer (10 tests) |
| NFR-SIM-031 | Deterministic replay | ✅ Complete | ADR-014 | src/history/replayer.rs:95-101: Upfront data loading |
| NFR-SIM-032 | Clock abstraction | ✅ Complete | ADR-014 | src/clock/clock.rs:14-24: Clock trait (11 tests) |
| NFR-SIM-033 | Event ordering preservation | ✅ Complete | ADR-014 | src/history/storage.rs:196: ORDER BY timestamp ASC |
| NFR-SIM-040 | Sharpe ratio | ✅ Complete | ADR-014 | src/analytics/metrics.rs:101-121: sharpe_ratio() |
| NFR-SIM-041 | Max drawdown | ✅ Complete | ADR-014 | src/analytics/metrics.rs:145-169: max_drawdown() |
| NFR-SIM-042 | Trade statistics | ✅ Complete | ADR-014 | src/analytics/metrics.rs:182-243: TradeStatistics (14 tests) |
| NFR-SIM-005 | Queue position modeling (Level 3) | ⏳ Deferred | ADR-014 | Future work for HFT simulation |
| NFR-SIM-023 | Parquet export | ⏳ Deferred | ADR-014 | Future work for external analysis |
| NFR-SIM-043 | Performance reports | ⏳ Deferred | ADR-014 | Future work |
| NFR-SIM-044 | Paper vs live comparison | ⏳ Deferred | ADR-014 | Future work |
| NFR-SIM-031 | Deterministic replay | ⏳ Proposed | ADR-014 | Same data = same results |
| NFR-SIM-032 | Clock abstraction | ⏳ Proposed | ADR-014 | src/clock/clock.rs: RealClock, SimulatedClock |
| NFR-SIM-033 | Event ordering | ⏳ Proposed | ADR-014 | Preserve event sequence during replay |
| NFR-SIM-040 | Sharpe ratio calculation | ⏳ Proposed | ADR-014 | src/analytics/metrics.rs: Annualized Sharpe |
| NFR-SIM-041 | Maximum drawdown | ⏳ Proposed | ADR-014 | Peak-to-trough analysis |
| NFR-SIM-042 | Trade statistics | ⏳ Proposed | ADR-014 | Win rate, profit factor |
Testing & Development Infrastructure (NFR-TEST) - ADR-015¶
| Req ID | Description | Status | ADR | Implementation Details |
|---|---|---|---|---|
| NFR-TEST-001 | Kalshi demo environment support | ✅ Complete | ADR-015 | src/market/kalshi_env.rs: KalshiEnvironment enum, --kalshi-demo CLI flag |
| NFR-TEST-002 | Separate credential namespacing | ✅ Complete | ADR-015 | KALSHI_DEMO_KEY_ID, KALSHI_DEMO_PRIVATE_KEY env vars |
| NFR-TEST-003 | Environment-aware URL configuration | ✅ Complete | ADR-015 | KalshiEnvironment::api_base_url(), websocket_url() |
| NFR-TEST-004 | Safe default to production | ✅ Complete | ADR-015 | #[default] on Production variant |
Documentation (FR-DOC)¶
Issue: #1 | Commits: bcfa0d6, eb4a393
| Req ID | Description | Status | Implementation Details |
|---|---|---|---|
| FR-DOC-001 | MkDocs with Material theme | ✅ Complete | mkdocs.yml |
| FR-DOC-002 | Tab navigation | ✅ Complete | mkdocs.yml nav config |
| FR-DOC-003 | Full-text search | ✅ Complete | Material search plugin |
| FR-DOC-004 | Dark/light mode | ✅ Complete | Material palette config |
| FR-DOC-005 | Code copy button | ✅ Complete | content.code.copy feature |
| FR-DOC-006 | ADRs section | ✅ Complete | docs/adrs/ |
| FR-DOC-007 | Blog system | ✅ Complete | Material blog plugin |
| FR-DOC-008 | FRS accessible | ✅ Complete | docs/spec/requirements.md |
| FR-DOC-009 | Ledger accessible | ✅ Complete | docs/development/ledger.md |
| FR-DOC-010 | GitHub Pages deployment | ✅ Complete | .github/workflows/docs.yml |
| FR-DOC-011 | Council reviews | ✅ Complete | docs/reviews/ |
| FR-DOC-012 | Developer docs | ✅ Complete | docs/development/ |
| FR-DOC-013 | Reference docs | ✅ Complete | docs/reference/ |
| FR-DOC-014 | Content review checklist | ✅ Complete | ADR-003 security section |
| FR-DOC-015 | Dependency pinning | ✅ Complete | requirements-docs.txt |
Implementation Status (2026-01-22)¶
All ADRs Complete ✅¶
All architecture decision records have been implemented:
- ADR-004 (Rust Core): Working codebase, EIP-712 (Polymarket) and RSA-PSS (Kalshi) signing
- ADR-005 (Actor Model): ExecutionActor, ArbiterActor, PolymarketMonitor functional
- ADR-006 (Lock-Free Orderbook):
arc_swap+dashmapinsrc/market/orderbook_cache.rs(8 tests) - ADR-007 (Saga Pattern): Full state machine with all states, 4 passing tests
- ADR-008 (Control Interface): gRPC server (40 tests) + Telegram bot (60 tests)
- ADR-009 (Credentials): AES-256-GCM + HKDF in
src/security/credential_store.rs(14 tests) - ADR-010 (Deployment): Terraform modules for VPC, ECS, Aurora, Redis, Secrets + GitHub Actions CI/CD
- ADR-011 (Multi-Tenancy): UserContext, rate limiting, PostgreSQL RLS (57 tests)
- ADR-012 (Performance Monitoring): TSC timing, HDR histograms with double-buffering, background aggregation (9 tests)
- ADR-013 (Low-Latency Optimizations): Cache alignment, object pools, busy-polling, thread affinity (17 tests)
- ADR-014 (Paper Trading): SimulatedExchangeClient, PositionTracker, HistoricalStorage, Analytics (65 tests)
- ADR-015 (Kalshi Demo): KalshiEnvironment enum,
--kalshi-demoCLI flag (4 tests)
Test Summary¶
| Module | Tests |
|---|---|
| Execution (saga, hedge, detector, compensation) | 20 |
| Market (orderbook, monitors, kalshi, kalshi_env, nonce) | 28 |
| Security (credentials, secrets, key rotation) | 28 |
| Actors (traits, risk) | 6 |
| API (gRPC services, auth) | 40 |
| Tenant (tiers, rate limiting, context) | 45 |
| Database (models, pool, repo) | 6 |
| Metrics (timing, histogram, collector) | 9 |
| Runtime (cache_align, pool, polling, affinity) | 17 |
| Simulation (client, matching_engine, config) | 11 |
| Position (tracker, pnl) | 11 |
| History (storage, replayer) | 20 |
| Analytics (metrics) | 14 |
| Clock | 11 |
| Telegram Bot | 60 |
| Total | 329 |
Implementation Roadmap¶
| Phase | Scope | Status | PR |
|---|---|---|---|
| 1 | Documentation alignment | ✅ Complete | - |
| 2 | Core trading: lock-free orderbook, Kalshi monitor, hedge strategies | ✅ Complete | - |
| 3 | Credential encryption (ADR-009) | ✅ Complete | - |
| 4 | Control interface (ADR-008) | ✅ Complete | #15 |
| 5 | Multi-tenancy (ADR-011) | ✅ Complete | #16 |
| 6 | Deployment (ADR-010) | ✅ Complete | #17 |
| 7 | Performance infrastructure (ADR-012, ADR-013) | ✅ Complete | #30 |
| 8 | Paper trading & backtesting (ADR-014) | ✅ Complete | #38 |
| 9 | Kalshi demo environment (ADR-015) | ✅ Complete | #39 |
| 10 | Observability infrastructure (ADR-012 Phases 2-4) | ⏳ Pending | - |
Requirement Gap Summary¶
| Category | Total | Implemented | Pending | Coverage |
|---|---|---|---|---|
| NFR-SEC (Security) | 8 | 3 | 5 | 37.5% |
| NFR-ARCH (Architecture) | 7 | 7 | 0 | 100% |
| NFR-PERF (Performance) | 6 | 3 | 3 | 50% |
| NFR-OPT (Optimization) | 5 | 5 | 0 | 100% |
| NFR-OBS (Observability) | 5 | 0 | 5 | 0% |
| NFR-SIM (Simulation) | 17 | 17 | 0 | 100% |
| NFR-TEST (Testing) | 4 | 4 | 0 | 100% |
| FR-DOC (Documentation) | 15 | 15 | 0 | 100% |
Pending Requirements (Future Work):
| Req ID | Description | ADR Phase | Blocking? |
|---|---|---|---|
| NFR-PERF-003 | Non-blocking tracing subscriber | ADR-012 Phase 2 | No |
| NFR-PERF-004 | Prometheus metrics export | ADR-012 Phase 3 | No |
| NFR-PERF-005 | Alerting on threshold breaches | ADR-012 Phase 4 | No |
| NFR-OBS-001 | Prometheus metrics endpoint | ADR-012 Phase 3 | No |
| NFR-OBS-002 | Grafana dashboards | ADR-012 Phase 3 | No |
| NFR-OBS-003 | Structured JSON logging | ADR-012 Phase 2 | No |
| NFR-OBS-004 | Distributed tracing (OpenTelemetry) | Future | No |
| NFR-OBS-005 | Alert manager integration | ADR-012 Phase 4 | No |
Note: All pending requirements are marked as "Future" phases in ADR-012. Core trading functionality is complete. Observability is recommended before production deployment but not required for MVP.
Change Log¶
| Date | Change | Author | Rationale | Issue |
|---|---|---|---|---|
| 2026-01-08 | Initial Spec | User | Project setup | - |
| 2026-01-21 | Added Safety Features | Antigravity | User request + Council Verification | - |
| 2026-01-21 | Added Documentation Site (ADR-003) | Antigravity + Claude | CLAUDE.md workflow compliance, org consistency | #1 |
| 2026-01-21 | Extracted Architecture ADRs (004-011) | Claude | Resolve naming conflict, improve traceability | #2 |
| 2026-01-21 | Gap analysis and status update | Claude | Accurate implementation tracking before Phase 2+ | #4 |
| 2026-01-21 | Phase 2 complete: lock-free orderbook, Kalshi monitor, hedge strategies | Claude | Core trading infrastructure complete (34 tests) | #5, #6, #7 |
| 2026-01-21 | Phase 3 complete: credential encryption with AES-256-GCM + HKDF | Claude | Secure credential storage infrastructure (48 tests total, 14 new) | #8 |
| 2026-01-21 | Phase 4.1 complete: gRPC service layer with JWT auth | Claude | Control interface foundation (88 tests total, 40 new) | #9 |
| 2026-01-21 | Phase 4.2 complete: Telegram bot with full command suite | Claude | Mobile interface for trading control (148 tests total, 60 new) | #10 |
| 2026-01-21 | Phase 5 complete: Multi-tenancy with PostgreSQL RLS | Claude | Subscription tiers, rate limiting, database isolation (145 tests) | #11, #12, PR #16 |
| 2026-01-21 | Phase 6 complete: AWS deployment infrastructure | Claude | Terraform modules (VPC, ECS, Aurora, Redis), GitHub Actions CI/CD | #13, PR #17 |
| 2026-01-21 | ADR gap implementations: NonceManager, RiskManagerActor, CompensationExecutor, SecretsProvider, KeyRotation | Claude | Addressing remaining gaps in ADRs 004, 005, 007, 009 (198 total tests) | #18, #19, #20, #21 |
| 2026-01-21 | Kalshi WebSocket delta application with LocalOrderbook | Claude | Real-time orderbook updates via delta parsing, BTreeMap sorted levels, input validation (215 total tests) | - |
| 2026-01-21 | ADR-012/013: Split performance ADRs | Claude | ADR-012: monitoring (TSC, histograms, Prometheus), ADR-013: optimizations (thread affinity, pools, crossbeam). Council-reviewed with multiple iterations. | - |
| 2026-01-21 | ADR-012/013: Implementation complete | Claude | Metrics module (timing, histogram, collector) + Runtime module (cache_align, pool, polling, affinity). 17 new tests (241 total). Council verified: PASS (confidence 0.88). | #23-#29, PR #30 |
| 2026-01-21 | ADR-014: Paper trading architecture proposed | Claude | SimulatedExchangeClient, MatchingEngine, PositionTracker, HistoricalStorage, DataReplayer, PerformanceMetrics. 20 NFR-SIM requirements. Pending council review. | - |
| 2026-01-21 | ADR-014: Paper trading implementation complete | Claude | Full simulation infrastructure: clock abstraction, simulated clients, position tracking, historical storage, analytics (65 new tests, 329 total) | #31-#37, PR #38 |
| 2026-01-22 | ADR-015: Kalshi demo environment | Claude | KalshiEnvironment enum, --kalshi-demo CLI flag, separate credential namespacing. Council review: PASS (confidence 0.85, score 8.52). |
#39 |