# MEV Bot Production Configuration - Arbitrum L2 Optimized

# Arbitrum L2 node configuration
arbitrum:
  # Primary RPC endpoint - Use environment variable for security
  rpc_endpoint: "${ARBITRUM_RPC_ENDPOINT}"
  # WebSocket endpoint for real-time L2 message streaming  
  ws_endpoint: "${ARBITRUM_WS_ENDPOINT}"
  # Chain ID for Arbitrum mainnet
  chain_id: 42161
  # Aggressive rate limiting for high-frequency L2 message processing
  rate_limit:
    # High throughput for L2 messages (Arbitrum can handle more)
    requests_per_second: 50
    # Higher concurrency for parallel processing
    max_concurrent: 20
    # Large burst for L2 message spikes
    burst: 100
  # Fallback endpoints for redundancy
  fallback_endpoints:
    - url: "${ARBITRUM_INFURA_ENDPOINT}"
      rate_limit:
        requests_per_second: 30
        max_concurrent: 15
        burst: 60
    - url: "wss://arb1.arbitrum.io/ws"
      rate_limit:
        requests_per_second: 20
        max_concurrent: 10
        burst: 40
    - url: "${ARBITRUM_BLOCKPI_ENDPOINT}"
      rate_limit:
        requests_per_second: 25
        max_concurrent: 12
        burst: 50

# Bot configuration optimized for L2 message processing
bot:
  # Enable the bot
  enabled: true
  # Fast polling for L2 blocks (250ms for competitive advantage)
  polling_interval: 0.25
  # Minimum profit threshold in USD (account for L2 gas costs)
  min_profit_threshold: 5.0
  # Gas price multiplier for fast L2 execution
  gas_price_multiplier: 1.5
  # High worker count for L2 message volume
  max_workers: 25
  # Large buffer for high-frequency L2 messages
  channel_buffer_size: 1000
  # Fast timeout for L2 operations
  rpc_timeout: 15

# Uniswap configuration optimized for Arbitrum
uniswap:
  # Uniswap V3 factory on Arbitrum
  factory_address: "0x1F98431c8aD98523631AE4a59f267346ea31F984"
  # Position manager on Arbitrum
  position_manager_address: "0xC36442b4a4522E871399CD717aBDD847Ab11FE88"
  # Focus on high-volume fee tiers
  fee_tiers:
    - 500    # 0.05% - High volume pairs
    - 3000   # 0.3% - Most liquid
    - 10000  # 1% - Exotic pairs
  # Aggressive caching for performance
  cache:
    enabled: true
    # Short expiration for real-time data
    expiration: 30
    # Large cache for many pools
    max_size: 50000

# Production logging
log:
  # Info level for production monitoring
  level: "info"
  # JSON format for log aggregation
  format: "json"
  # Log to file for persistence
  file: "/var/log/mev-bot/mev-bot.log"

# Database configuration for production
database:
  # Production database file
  file: "/data/mev-bot-production.db"
  # High connection pool for concurrent operations
  max_open_connections: 50
  # Large idle pool for performance
  max_idle_connections: 25

# Production-specific settings
production:
  # Performance monitoring
  metrics:
    enabled: true
    port: 9090
    path: "/metrics"
  
  # Health checks
  health:
    enabled: true
    port: 8080
    path: "/health"
  
  # L2 specific configuration
  l2_optimization:
    # Enable L2 message priority processing
    prioritize_l2_messages: true
    # Batch processing settings
    batch_size: 100
    batch_timeout: "100ms"
    # Gas optimization
    gas_estimation:
      # Include L1 data fees in calculations
      include_l1_fees: true
      # Safety multiplier for gas limits
      safety_multiplier: 1.2
      # Priority fee strategy
      priority_fee_strategy: "aggressive"
  
  # Security settings
  security:
    # Maximum position size (in ETH)
    max_position_size: 10.0
    # Daily loss limit (in ETH)
    daily_loss_limit: 2.0
    # Circuit breaker settings
    circuit_breaker:
      enabled: true
      error_threshold: 10
      timeout: "5m"
  
  # DEX configuration
  dex_protocols:
    uniswap_v3:
      enabled: true
      router: "0xE592427A0AEce92De3Edee1F18E0157C05861564"
      priority: 1
    sushiswap:
      enabled: true
      router: "0x1b02dA8Cb0d097eB8D57A175b88c7D8b47997506"
      priority: 2
    camelot:
      enabled: true
      router: "0xc873fEcbd354f5A56E00E710B90EF4201db2448d"
      priority: 3
  
  # Monitoring and alerting
  alerts:
    # Slack webhook for alerts - use environment variable for security
    slack_webhook: "${SLACK_WEBHOOK_URL}"
    # Discord webhook for alerts - use environment variable for security
    discord_webhook: "${DISCORD_WEBHOOK_URL}"
    # Email alerts
    email:
      enabled: false
      smtp_server: "smtp.gmail.com:587"
      username: "your-email@gmail.com"
      password: "your-app-password"
    
    # Alert conditions
    conditions:
      - name: "High Error Rate"
        condition: "error_rate > 0.05"
        severity: "critical"
      - name: "Low Profit Margin"
        condition: "avg_profit < min_profit_threshold"
        severity: "warning"
      - name: "L2 Message Lag"
        condition: "l2_message_lag > 1000ms"
        severity: "critical"
      - name: "Gas Price Spike"
        condition: "gas_price > 50gwei"
        severity: "warning"

# Environment-specific overrides
# Set these via environment variables in production:
# ARBITRUM_RPC_ENDPOINT - Your primary RPC endpoint
# ARBITRUM_WS_ENDPOINT - Your WebSocket endpoint
# BOT_MAX_WORKERS - Number of workers (adjust based on server capacity)
# BOT_CHANNEL_BUFFER_SIZE - Buffer size (adjust based on memory)
# DATABASE_FILE - Database file path
# LOG_FILE - Log file path
# SLACK_WEBHOOK - Slack webhook URL
# DISCORD_WEBHOOK - Discord webhook URL