mev-beta/PROJECT_SPECIFICATION.md

# MEV Bot Project Specification

**Version:** 2.0 (November 2025 - Current State)
**Language:** Go 1.24+
**Target Chain:** Arbitrum (Layer 2)
**Module:** github.com/fraktal/mev-beta
**Codebase:** 362 Go files, ~100,000+ lines of code

---

## 🎯 Project Overview

The MEV Bot is a **production-grade arbitrage detection and analysis system** for the Arbitrum network. It monitors decentralized exchanges (DEXs) in real-time using an event-driven architecture to identify profitable arbitrage opportunities across multiple protocols.

### Core Capabilities

- **Real-time Arbitrum Monitoring** with sub-second latency via event-driven processing
- **Multi-Protocol Support** for Uniswap V2/V3, SushiSwap, Curve, Balancer, and more
- **Advanced Transaction Parsing** with sophisticated ABI decoding for complex multicalls
- **Three-Pool RPC Architecture** separating read-only, execution, and testing workloads
- **Worker Pool Processing** for concurrent event analysis (100+ events/sec capacity)
- **Secure Key Management** with AES-256-GCM encryption and hardware wallet support
- **Production Logging System** with health scoring, analytics, and automated archival

---

## 🏗️ System Architecture

### Layered Architecture (5 Layers)

```
┌─────────────────────────────────────────────────────────────┐
│  Layer 1: Smart Contract Layer                              │
│  - Arbitrage executor contracts (bindings/)                │
│  - Flash swap executors                                     │
│  - Token and pool interfaces                                │
└─────────────────────────────────────────────────────────────┘
                           ↓
┌─────────────────────────────────────────────────────────────┐
│  Layer 2: Execution Layer                                   │
│  - ArbitrageExecutor (pkg/arbitrage/executor.go - 1,641 LOC)│
│  - FlashSwapExecutor (pkg/arbitrage/flash_executor.go)     │
│  - LiveExecutionFramework (real-time execution)             │
└─────────────────────────────────────────────────────────────┘
                           ↓
┌─────────────────────────────────────────────────────────────┐
│  Layer 3: Detection & Analysis Layer                        │
│  - ArbitrageDetectionEngine (opportunity discovery)         │
│  - MultiHopScanner (multi-hop path finding)                 │
│  - Scanner with worker pools (event processing)             │
│  - DEX protocol implementations (6 protocols)               │
└─────────────────────────────────────────────────────────────┘
                           ↓
┌─────────────────────────────────────────────────────────────┐
│  Layer 4: Event Collection & Parsing Layer                  │
│  - ArbitrumMonitor (sequencer monitoring - 1,351 LOC)       │
│  - L2Parser (transaction parsing - 1,985 LOC)               │
│  - AbiDecoder (multicall decoding - 1,116 LOC)              │
│  - EventParser (log parsing - 1,806 LOC)                    │
└─────────────────────────────────────────────────────────────┘
                           ↓
┌─────────────────────────────────────────────────────────────┐
│  Layer 5: Infrastructure Layer                              │
│  - UnifiedProviderManager (3-pool RPC architecture)         │
│  - PoolDiscovery (cache-based pool management)              │
│  - KeyManager (secure signing - 1,841 LOC)                  │
│  - RateLimiter (per-endpoint limiting)                      │
└─────────────────────────────────────────────────────────────┘
```

### Three-Pool RPC Architecture

The system uses **three separate RPC endpoint pools** for optimal performance:

```
UnifiedProviderManager
├─ ReadOnlyPool (50 RPS max)
│  └─ Used for: getBalance, call, getLogs, getCode
│  └─ High throughput for read-heavy operations
│
├─ ExecutionPool (20 RPS max)
│  └─ Used for: sendTransaction
│  └─ Reliable endpoints with lower limits
│
└─ TestingPool (10 RPS max)
   └─ Used for: simulation, callStatic
   └─ Isolated from production workload
```

**Benefits:**
- Execution transactions never rate-limited by read operations
- Independent failover per pool
- Optimized rate limits per endpoint capability
- Health checks and automatic endpoint rotation

---

## 📊 Core Components

### 1. Arbitrage Service (`pkg/arbitrage/` - 17 files, 7,000+ LOC)

**Primary Components:**
- **ArbitrageService** (service.go - 1,995 LOC) - Main orchestration service
- **ArbitrageExecutor** (executor.go - 1,641 LOC) - Transaction execution
- **FlashSwapExecutor** (flash_executor.go - 1,462 LOC) - Flash swap logic
- **MultiHopScanner** (multihop.go - 892 LOC) - Multi-hop path detection
- **DetectionEngine** (detection_engine.go - 953 LOC) - Opportunity discovery
- **LiveExecutionFramework** (1,005 LOC) - Real-time execution
- **NonceManager** (3,843 LOC) - Transaction nonce management
- **Database** (13,129 LOC) - Opportunity persistence

**Key Features:**
- Event-driven arbitrage detection
- Multi-hop route optimization
- Gas-aware profit calculation
- Confidence scoring and risk assessment
- Real-time opportunity ranking

### 2. Arbitrum Integration (`pkg/arbitrum/` - 34 files, 8,000+ LOC)

**Primary Components:**
- **L2Parser** (l2_parser.go - 1,985 LOC) - Advanced transaction parsing
- **AbiDecoder** (abi_decoder.go - 1,116 LOC) - Multicall decoding
- **Parser** (parser.go - 967 LOC) - Basic transaction parsing
- **ConnectionManager** (connection.go - 266 LOC) - RPC management
- **SwapPipeline** (swap_pipeline.go - 844 LOC) - Swap processing
- **EventMonitor** (event_monitor.go - 658 LOC) - Event monitoring

**Capabilities:**
- Handles complex multicall transactions
- Supports 10+ DEX router patterns
- Extracts token addresses and swap amounts
- ~90% parsing success rate on production data
- Graceful fallback for unknown patterns

### 3. Market Monitoring (`pkg/monitor/` - 1,351 LOC)

**ArbitrumMonitor:**
- WebSocket subscription to Arbitrum sequencer
- High-throughput transaction processing (50,000 buffer)
- Automatic RPC failover and health monitoring
- Rate limiting and connection management
- Feeds parsed transactions to scanner

**Performance:**
- Processing: ~3-4 blocks/second sustained
- Latency: Sub-second block processing
- Uptime: 27+ minutes continuous (validated)

### 4. Scanner System (`pkg/scanner/` - 5 subdirectories)

**Architecture:**
```
Scanner (concurrent.go)
├─ Worker Pool Pattern
│  ├─ Configurable worker count (4-8 default)
│  ├─ Non-blocking channel communication
│  └─ Graceful shutdown with WaitGroup
│
├─ MarketScanner (market/)
│  └─ Token pair and pool analysis
│
├─ SwapAnalyzer (swap/)
│  └─ Swap event detection and analysis
│
└─ LiquidityAnalyzer (analysis/)
   └─ Liquidity change calculations
```

**Performance:**
- Throughput: 100+ events/second with 4-8 workers
- Latency: ~10-50ms per event analysis
- Concurrency: Independent worker processing

### 5. DEX Protocol Support (`pkg/dex/` - 11 files)

| Protocol | Implementation | Fee Structure | Math Type |
|----------|---------------|---------------|-----------|
| Uniswap V3 | uniswap_v3.go | 0.05%-1% | Concentrated liquidity, tick-based |
| Uniswap V2 | dex/ | 0.3% | Constant product (x×y=k) |
| SushiSwap | sushiswap.go | 0.3% | V2-compatible |
| Curve | curve.go | 0.04% | StableSwap invariant |
| Balancer | balancer.go | 0.3% | Weighted pool formula |
| 1inch | (referenced) | Variable | Aggregator support |

**Protocol-Specific Features:**
- V3: Tick-based price ranges with sqrt price math
- V2: Classic AMM formula with fee deduction
- Curve: Low-slippage stablecoin swaps
- Balancer: Multi-token weighted pools

### 6. Security & Key Management (`pkg/security/` - 11 files, 5,000+ LOC)

**Components:**
- **KeyManager** (keymanager.go - 1,841 LOC) - Secure key generation, storage, signing
- **RateLimiter** (rate_limiter.go - 1,411 LOC) - DoS protection
- **AuditAnalyzer** (audit_analyzer.go - 1,646 LOC) - Audit logging
- **PerformanceProfiler** (1,316 LOC) - Performance metrics
- **AnomalyDetector** (1,069 LOC) - Suspicious activity detection

**Security Features:**
- AES-256-GCM encryption for private keys
- Hardware wallet support
- Automatic key rotation
- Comprehensive audit logging
- Rate limiting at multiple levels

---

## 🔄 Data Flow & Processing Pipeline

### Complete Processing Flow

```
1. Arbitrum Block Stream (WebSocket)
        ↓
2. ArbitrumMonitor.Start()
   - Subscribes to new blocks
   - Fetches block transactions
        ↓
3. L2Parser.ParseTransaction()
   - Decodes multicall with AbiDecoder
   - Extracts function calls
   - Identifies swap operations
        ↓
4. EventParser.ParseEvents()
   - Decodes transaction receipt logs
   - Extracts swap/liquidity events
   - Parses pool state changes
        ↓
5. Scanner.ProcessEvents()
   - Dispatches to worker pool
   - MarketScanner analyzes token pairs
   - SwapAnalyzer detects arbitrage patterns
   - LiquidityAnalyzer calculates impacts
        ↓
6. ArbitrageService monitors results
   - MultiHopScanner finds optimal paths
   - DetectionEngine ranks opportunities
   - Filters by confidence and profitability
        ↓
7. ArbitrageExecutor.ExecuteArbitrage()
   - Simulates transaction
   - Estimates gas costs
   - Validates profitability
   - Signs with KeyManager
   - Submits to Arbitrum
        ↓
8. Results logged and persisted
```

### Performance Characteristics

**Latency Breakdown (Block → Detection):**
```
1. Receive block:              ~1ms
2. Fetch transaction:          ~50-100ms (RPC)
3. Fetch receipt:              ~50-100ms (RPC)
4. Parse transaction (ABI):    ~10-50ms (CPU)
5. Parse events:               ~5-20ms (CPU)
6. Analyze events (scanner):   ~10-50ms (CPU)
7. Detect arbitrage:           ~20-100ms (CPU + RPC)
─────────────────────────────────────────────
Total: ~150-450ms from block to detection
```

**Observation:** RPC calls dominate latency, not CPU processing.

---

## ⚙️ Configuration Management

### Configuration Hierarchy

```
1. YAML Configuration Files (Base)
   ├─ config/arbitrum_production.yaml  (tokens, DEX configs)
   ├─ config/providers.yaml            (RPC endpoint pools)
   └─ config/providers_runtime.yaml    (runtime overrides)

2. Environment Variables (Override)
   ├─ GO_ENV (development|staging|production)
   ├─ MEV_BOT_ENCRYPTION_KEY (required)
   ├─ ARBITRUM_RPC_ENDPOINT
   ├─ ARBITRUM_WS_ENDPOINT
   └─ LOG_LEVEL, DEBUG, METRICS_ENABLED

3. Runtime Configuration (Programmatic)
   ├─ Per-endpoint overrides
   └─ Dynamic endpoint switching
```

### Production Configuration Example

**config/arbitrum_production.yaml:**
```yaml
tokens:
  weth:
    address: "0x82aF49447D8a07e3bd95BD0d56f35241523fBab1"
    decimals: 18
    coingecko_id: "weth"
  usdc:
    address: "0xaf88d065e77c8cC2239327C5EDb3A432268e5831"
    decimals: 6
    is_stable: true
  # 20+ major tokens defined

dex_configs:
  uniswap_v3:
    factory: "0x1F98431c8aD98523631AE4a59f267346ea31F984"
    router: "0xE592427A0AEce92De3Edee1F18E0157C05861564"
    fee_tiers: [500, 3000, 10000]

arbitrage:
  min_profit_threshold: "0.001"  # 0.1%
  max_slippage: "0.005"          # 0.5%
  max_gas_price: "50000000000"   # 50 gwei
  max_position_size: "100000000000000000000"  # 100 ETH
```

**config/providers.yaml:**
```yaml
read_only_pool:
  endpoints:
    - url: "https://arbitrum-mainnet.core.chainstack.com/..."
      name: "chainstack-primary"
      priority: 1
      max_rps: 50
      timeout: "10s"
    - url: "https://arb1.arbitrum.io/rpc"
      name: "arbitrum-public"
      priority: 2
      max_rps: 30

execution_pool:
  endpoints:
    - url: "https://arbitrum-mainnet.core.chainstack.com/..."
      priority: 1
      max_rps: 20

testing_pool:
  endpoints:
    - url: "https://arbitrum-mainnet.core.chainstack.com/..."
      priority: 1
      max_rps: 10
```

---

## 📈 Production Status & Performance

### Current Implementation Status

**✅ Production Ready:**
- Real-time transaction parsing (~90% success rate)
- Event processing (100+ events/sec)
- Multi-protocol support (6 DEX protocols)
- Rate limiting and failover
- Secure key management
- Production logging with health scoring

**⚠️  Partially Disabled (Workarounds Active):**
- Pool discovery background task (uses cache-only, 314 pools loaded)
- Security manager (KeyManager works independently)

**❌ Not Implemented:**
- MEV protection (Flashbots, MEV-Share)
- Multi-chain support (Arbitrum only)
- Persistent opportunity database
- Machine learning-based detection

### Performance Metrics (Validated)

| Metric | Value | Source |
|--------|-------|--------|
| Startup Time | ~30 seconds | With pool cache |
| Event Processing | 100+ events/sec | Worker pool capacity |
| Detection Latency | 150-450ms | Block to opportunity |
| Memory Baseline | ~200MB | Pool cache + state |
| Memory Peak | ~500MB | Full operation |
| Health Score | 97.97/100 | Log analytics system |
| Error Rate | 2.03% | Log analysis |
| Parsing Success | ~90% | Transaction decoding |
| Uptime | 27+ minutes | Validated continuous |

### System Requirements

**Minimum:**
- CPU: 2+ cores for concurrent processing
- RAM: 4GB+ for transaction buffering
- Network: Stable WebSocket connection
- Storage: 10GB+ for logs

**Recommended:**
- CPU: 4+ cores for optimal worker pools
- RAM: 8GB+ for larger pool cache
- Network: Multiple RPC providers for redundancy
- Storage: 50GB+ for long-term logging

---

## 🔬 Testing Infrastructure

### Test Organization

```
tests/
├── integration/
│   ├── fork_test.go          # Arbitrum fork testing
│   └── [other tests]
├── cache/                     # Cache-related tests
├── contracts/                 # Contract interaction tests
└── scenarios/                 # Test scenarios

pkg/**/..._test.go             # Unit tests colocated with source
```

### Test Coverage

**Unit Tests:**
- arbitrage/: flash_executor_test.go, multihop_test.go
- arbitrum/: connection_test.go, parser_test.go, abi_fuzz_test.go
- scanner/: concurrent_test.go
- security/: keymanager_test.go
- validation/: pool_validator_test.go (1,155 lines)

**Integration Tests:**
- End-to-end transaction processing
- Multi-protocol detection accuracy
- Cross-protocol arbitrage detection

**Build & Test Commands:**
```bash
make build              # Compile binary
make test               # Run all tests
make test-coverage      # Generate coverage report
make test-integration   # Integration tests only
make lint               # Run golangci-lint
make security-scan      # Security analysis (gosec)
```

---

## 🚀 Deployment Guide

### Prerequisites

```bash
# 1. Go 1.24 or later
go version

# 2. Create encryption key (32 bytes)
openssl rand -hex 16 > .env.encryption_key

# 3. Setup keystore
mkdir -p keystore
chmod 700 keystore

# 4. Configure environment
export GO_ENV=production
export MEV_BOT_ENCRYPTION_KEY=$(cat .env.encryption_key)
export ARBITRUM_RPC_ENDPOINT="wss://your-endpoint"
```

### Quick Start

```bash
# Build the binary
make build

# Run the bot
./bin/mev-bot start

# Or with explicit config
GO_ENV=production ./bin/mev-bot start
```

### Production Deployment

**1. Configuration:**
```bash
# Copy and customize production configs
cp config/arbitrum_production.yaml config/arbitrum_production.yaml.local
cp config/providers.yaml config/providers.yaml.local

# Edit with actual RPC endpoints and API keys
vim config/arbitrum_production.yaml.local
vim config/providers.yaml.local
```

**2. Environment Setup:**
```bash
# Create .env.production file
cat > .env.production <<EOF
GO_ENV=production
MEV_BOT_ENCRYPTION_KEY=<your-32-byte-hex-key>
MEV_BOT_KEYSTORE_PATH=keystore
ARBITRUM_RPC_ENDPOINT=wss://...
ARBITRUM_WS_ENDPOINT=wss://...
LOG_LEVEL=info
METRICS_ENABLED=true
EOF
```

**3. Start Service:**
```bash
# Load environment and start
source .env.production
./bin/mev-bot start
```

### Monitoring & Health Checks

**Production Logging System:**
```
logs/
├── mev_bot.log                # Main application log
├── mev_bot_errors.log         # Error-specific log
├── mev_bot_performance.log    # Performance metrics
├── analytics/                 # Real-time analysis
│   ├── analysis_*.json        # Comprehensive metrics
│   └── dashboard_*.html       # Operations dashboard
├── health/                    # Health monitoring
│   └── health_*.json          # Health reports (97.97/100)
├── archives/                  # Compressed rotated logs
└── rotated/                   # Rotated log files
```

**Health Check Commands:**
```bash
# Real-time analysis with health scoring
./scripts/log-manager.sh analyze

# Check system health
./scripts/log-manager.sh health

# Full management cycle
./scripts/log-manager.sh full

# Start background monitoring daemon
./scripts/log-manager.sh start-daemon
```

**Alert Thresholds:**
- Error rate > 10% = Critical
- Health score < 80 = Warning
- Zero opportunities detected for >1 hour = Investigation needed
- Memory usage > 750MB = Pool pruning required

---

## 🔒 Security Considerations

### Production Security

**Key Management:**
- AES-256-GCM encryption for all private keys
- Secure key derivation from master password
- Automatic key rotation support
- Hardware wallet integration ready

**Input Validation:**
- All external data validated before processing
- Token address validation (checksum, zero-address checks)
- Amount bounds checking (overflow protection)
- Gas price limits (max 50 gwei default)

**Rate Limiting:**
- Per-endpoint rate limits (configurable)
- Global transaction rate limiting
- Burst allowances for spike handling
- Automatic backoff on 429 responses
- Circuit breakers on repeated failures

### Risk Management

**Execution Safeguards:**
- Configurable slippage protection (0.5% default max)
- Maximum transaction value limits (100 ETH default)
- Profit validation after gas costs
- Simulation before actual execution
- Confidence scoring (0.0-1.0 scale)

**Error Handling:**
- Comprehensive error handling at all layers
- Automatic retry with exponential backoff
- Fallback RPC providers
- Graceful degradation on failures

---

## 📝 Known Limitations & Future Enhancements

### Current Limitations

**1. Pool Discovery:**
- Background discovery disabled (prevents startup hang)
- Relies on cached pool data (314 pools)
- No automatic new pool detection
- **Workaround:** Manual cache updates or restart

**2. Security Manager:**
- Comprehensive security manager disabled for debugging
- KeyManager works independently
- Missing some advanced security features

**3. MEV Protection:**
- No Flashbots integration
- No MEV-Share participation
- Transactions visible on public mempool
- Vulnerable to sandwich attacks

**4. Single Chain:**
- Arbitrum only (no Ethereum, Optimism, Base, etc.)
- No cross-chain arbitrage
- No bridge monitoring

**5. In-Memory State:**
- No persistent opportunity database
- Restarts lose historical context
- Limited long-term analytics

### Planned Enhancements

**High Priority:**
- [ ] Re-enable pool discovery (fix hang issue)
- [ ] Re-enable security manager (identify and fix cause)
- [ ] Add persistent PostgreSQL database
- [ ] Implement MEV protection (Flashbots)
- [ ] Add Prometheus metrics export

**Medium Priority:**
- [ ] Multi-chain support (Optimism, Base)
- [ ] Flash loan integration (capital-free arbitrage)
- [ ] Machine learning opportunity prediction
- [ ] Advanced gas optimization
- [ ] WebSocket dashboard

**Low Priority:**
- [ ] MEV-Share integration
- [ ] Cross-chain bridge monitoring
- [ ] Collaborative MEV strategies
- [ ] Historical replay capability

---

## 📚 Documentation

### Documentation Structure

```
docs/
├── CODEBASE_EXPLORATION_COMPLETE.md    # Complete codebase analysis
├── IMPLEMENTATION_INSIGHTS.md          # What code actually does
├── CODEBASE_QUICK_REFERENCE.md         # Quick reference guide
├── CODEBASE_EXPLORATION_INDEX.md       # Navigation index
├── DEVELOPER_DOCS.md                   # Developer documentation
├── MONITORING_GUIDE.md                 # Monitoring and operations
├── QUICK_START.md                      # Quick start guide
└── [100+ additional docs]              # Historical and specialized docs
```

### Key Documentation Files

**For New Developers:**
1. CODEBASE_QUICK_REFERENCE.md - Start here
2. CODEBASE_EXPLORATION_COMPLETE.md - Deep dive
3. DEVELOPER_DOCS.md - Development guidelines

**For Operations:**
1. MONITORING_GUIDE.md - Production monitoring
2. Log manager scripts (scripts/log-manager.sh)
3. Health check procedures

**For Understanding Architecture:**
1. IMPLEMENTATION_INSIGHTS.md - Reality vs documentation
2. CODEBASE_EXPLORATION_INDEX.md - Component navigation
3. This specification (PROJECT_SPECIFICATION.md)

---

## 🎯 Getting Started

### For Developers

**1. Understand the codebase:**
```bash
# Read these in order:
cat docs/CODEBASE_QUICK_REFERENCE.md
cat docs/IMPLEMENTATION_INSIGHTS.md
cat docs/CODEBASE_EXPLORATION_COMPLETE.md
```

**2. Build and test:**
```bash
make build
make test
```

**3. Run in development:**
```bash
export GO_ENV=development
export MEV_BOT_ENCRYPTION_KEY=$(openssl rand -hex 16)
./bin/mev-bot start
```

### For Operations

**1. Deploy to production:**
```bash
# Follow deployment guide above
source .env.production
./bin/mev-bot start
```

**2. Monitor health:**
```bash
# Check health score (target: >95)
./scripts/log-manager.sh health

# Real-time monitoring
./scripts/log-manager.sh start-daemon
```

**3. Troubleshoot issues:**
```bash
# Analyze logs
./scripts/log-manager.sh analyze

# View latest errors
tail -100 logs/mev_bot_errors.log

# Check specific issues in main.go debug checkpoints (20 total)
grep "CHECKPOINT" logs/mev_bot.log
```

---

## 📊 Performance Expectations

### MEV Profit Expectations (Arbitrum Realistic)

**Based on current market conditions:**
- **Arbitrage Frequency:** 5-20 opportunities per day (market dependent)
- **Profit per Trade:** 0.1-0.5% typical ($2-$10 on $1,000 capital)
- **Daily Target:** $10-$200 with moderate capital and optimal conditions
- **Time to First Detection:** ~30 seconds from startup
- **Time to First Opportunity:** 30-60 minutes (market dependent)

**Note:** These are detection rates. Actual execution profits depend on:
- Gas costs (50-150k gas per execution)
- Slippage during execution
- Competition from other MEV bots
- Market volatility

---

## 🔗 External Dependencies

### Go Module Dependencies

**Primary:**
- github.com/ethereum/go-ethereum v1.16.3 (Ethereum client library)
- github.com/gorilla/websocket v1.5.3 (WebSocket support)
- github.com/holiman/uint256 v1.3.2 (256-bit integers)
- github.com/urfave/cli/v2 v2.27.5 (CLI framework)
- gopkg.in/yaml.v3 (YAML parsing)

**Database:**
- github.com/lib/pq v1.10.9 (PostgreSQL - optional)
- github.com/mattn/go-sqlite3 v1.14.32 (SQLite - optional)

**Security:**
- golang.org/x/crypto v0.42.0 (Cryptography)
- golang.org/x/time v0.10.0 (Rate limiting)

**Testing:**
- github.com/stretchr/testify v1.11.1 (Test assertions)

### Smart Contract Dependencies

**Generated Bindings (bindings/):**
- Arbitrage Executor contract
- Flash Swap contracts (Uniswap V2/V3)
- ERC20 token interface
- Uniswap V3 Pool interface
- Balancer Vault interface

---

## 📌 Summary

The MEV Bot is a **sophisticated, production-grade system** with:

**✓ Strengths:**
- Modular, testable architecture (5 layers, 47 packages)
- Production-ready security infrastructure
- Multi-protocol DEX support (6 protocols)
- Intelligent rate limiting and failover
- Robust error handling and recovery
- Real-time health monitoring (97.97/100 score)
- Comprehensive logging and analytics

**⚠️  Pragmatic Limitations:**
- Pool discovery disabled (uses cache: 314 pools)
- Security manager disabled (KeyManager works)
- No MEV protection (public mempool)
- Single-chain only (Arbitrum)
- In-memory state (no persistence)

**Status:** **Ready for production** with current architecture (cache-based pools, independent KeyManager). Some advanced features disabled pending fixes (pool discovery, security manager).

**Recommended Use:** Detection and analysis system. Execution capability exists but needs careful testing before live trading.

---

**Last Updated:** November 2025
**Documentation Version:** 2.0 (reflects actual codebase state)
**Codebase Version:** See git commit history for changes