# MEV Bot Configuration - Arbitrage Service Example
# Copy this file to config/local.yaml and customize for your environment

arbitrum:
  rpc_endpoint: "${ARBITRUM_RPC_ENDPOINT}"
  ws_endpoint: "${ARBITRUM_WS_ENDPOINT}"
  chain_id: 42161
  rate_limit:
    requests_per_second: 50
    max_concurrent: 10
    burst: 100
  fallback_endpoints:
    - url: "https://arb1.arbitrum.io/rpc"
      rate_limit:
        requests_per_second: 30
        max_concurrent: 5
        burst: 50

bot:
  enabled: true
  polling_interval: 1
  min_profit_threshold: 0.001
  gas_price_multiplier: 1.1
  max_workers: 8
  channel_buffer_size: 1000
  rpc_timeout: 30

uniswap:
  factory_address: "0x1F98431c8aD98523631AE4a59f267346ea31F984"
  position_manager_address: "0xC36442b4a4522E871399CD717aBDD847Ab11FE88"
  fee_tiers: [100, 500, 3000, 10000]
  cache:
    enabled: true
    expiration: 300
    max_size: 10000

log:
  level: "info"
  format: "json"
  file: ""

database:
  file: "mev_bot.db"
  max_open_connections: 25
  max_idle_connections: 5

ethereum:
  private_key: "${ETHEREUM_PRIVATE_KEY}"
  account_address: "${ETHEREUM_ACCOUNT_ADDRESS}"
  gas_price_multiplier: 1.15

contracts:
  arbitrage_executor: "${CONTRACT_ARBITRAGE_EXECUTOR}"
  flash_swapper: "${CONTRACT_FLASH_SWAPPER}"
  authorized_callers:
    - "${ETHEREUM_ACCOUNT_ADDRESS}"
  authorized_dexes:
    - "0x1F98431c8aD98523631AE4a59f267346ea31F984" # Uniswap V3 Factory

# Arbitrage Service Configuration
arbitrage:
  enabled: true
  
  # Contract addresses (replace with actual deployed contract addresses)
  arbitrage_contract_address: "0x0000000000000000000000000000000000000000"
  flash_swap_contract_address: "0x0000000000000000000000000000000000000000"
  
  # Profitability settings
  min_profit_wei: 10000000000000000      # 0.01 ETH minimum profit
  min_roi_percent: 1.0                    # 1% minimum ROI
  min_significant_swap_size: 1000000000000000000  # 1 ETH minimum swap to trigger analysis
  slippage_tolerance: 0.005               # 0.5% slippage tolerance
  
  # Scanning configuration
  min_scan_amount_wei: 100000000000000000    # 0.1 ETH minimum scan amount
  max_scan_amount_wei: 10000000000000000000  # 10 ETH maximum scan amount
  
  # Gas configuration
  max_gas_price_wei: 100000000000           # 100 gwei maximum gas price
  
  # Execution limits
  max_concurrent_executions: 3              # Maximum concurrent arbitrage executions
  max_opportunities_per_event: 5           # Maximum opportunities to pursue per swap event
  
  # Timing settings
  opportunity_ttl: 30s                     # How long opportunities remain valid
  max_path_age: 60s                       # Maximum age of arbitrage paths
  stats_update_interval: 30s              # How often to log statistics
  
  # Pool discovery configuration
  pool_discovery:
    enabled: true
    block_range: 1000                     # Number of blocks to scan for new pools
    polling_interval: 15s                 # How often to poll for new pools
    factory_addresses:
      # Uniswap V3 Factory
      - "0x1F98431c8aD98523631AE4a59f267346ea31F984"
      # Camelot V3 Factory  
      - "0x1a3c9B1d2F0529D97f2afC5136Cc23e58f1FD35B"
      # Ramses V2 Factory
      - "0xAA2cd7477c451E703f3B9Ba5663334914763edF8"
    min_liquidity_wei: 100000000000000000  # 0.1 ETH minimum liquidity for pool inclusion
    cache_size: 5000                      # Maximum pools to cache
    cache_ttl: 300s                       # Pool data cache TTL

# Environment variable examples:
# export ARBITRUM_RPC_ENDPOINT="wss://arbitrum-mainnet.core.chainstack.com/your-api-key"
# export ARBITRUM_WS_ENDPOINT="wss://arbitrum-mainnet.core.chainstack.com/your-api-key"
# export ETHEREUM_PRIVATE_KEY="0x1234..."
# export ETHEREUM_ACCOUNT_ADDRESS="0xabcd..."
# export CONTRACT_ARBITRAGE_EXECUTOR="0x..."
# export CONTRACT_FLASH_SWAPPER="0x..."