config.example.yaml

# Values wrapped in ${...} are expanded from the environment (.env is auto-loaded).
# Copy to config.yaml to customise; if config.yaml is absent this example is used.

server:
  api_addr: "${API_ADDR}"

database:
  # GORM MySQL DSN
  dsn: "${DB_USER}:${DB_PASSWORD}@tcp(${DB_HOST}:${DB_PORT})/${DB_NAME}?charset=utf8mb4&parseTime=true&loc=Local"
  log_level: warn # silent | error | warn | info

crypto:
  # 32-byte key-encryption-key as 64 hex chars. Wraps private keys at rest.
  kek_hex: "${WALLET_KEK}"

# Each entry is one chain the system talks to. Adding a chain = adding an entry
# plus a Chain adapter; the rest of the system is chain-agnostic.
chains:
  - name: SEPOLIA
    kind: evm
    chain_id: 11155111
    rpc: "${SEPOLIA_RPC}"
    explorer: "https://sepolia.etherscan.io"  # block explorer base URL for the ops console
    confirmations: 3      # blocks required before a deposit/withdrawal is "confirmed"
    reorg_depth: 6        # blocks to roll back / re-verify when a reorg is detected
    start_block: 0        # 0 = start from chain head when the cursor is empty
    poll_interval_ms: 4000
    block_batch: 5        # max blocks scanned per continuous-loop iteration

  - name: SOLANA_DEVNET
    kind: solana
    commitment: finalized # finalized (no reorgs) | confirmed; the indexer scans at this level
    rpc: "${SOLANA_RPC}"  # e.g. https://api.devnet.solana.com
    explorer: "https://solscan.io?cluster=devnet"  # cluster query is preserved in links; Solscan uses /account/ + /tx/
    confirmations: 1      # at finalized commitment a scanned slot is already final
    start_block: 0        # 0 = start from the current finalized slot
    poll_interval_ms: 2000
    block_batch: 10       # max slots scanned per iteration (skipped slots are cheap)