{
  "schemaVersion": 1,
  "server": {
    "host": "0.0.0.0",
    "port": 8787,
    "allowRemote": true,
    "rateLimit": {
      "apiPerMinute": 120,
      "authFailuresPerMinute": 10,
      "checkoutPerMinute": 60
    }
  },
  "network": {
    "railgunNetworkName": "Arbitrum",
    "chainId": 42161,
    "tokenAddress": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
    "tokenSymbol": "USDC",
    "tokenDecimals": 6,
    "rpcUrls": [
      "https://REPLACE_WITH_RPC_PROVIDER_A",
      "https://REPLACE_WITH_RPC_PROVIDER_B",
      "https://REPLACE_WITH_RPC_PROVIDER_C"
    ],
    "deploymentBlock": 56109834,
    "finality": {
      "mode": "finalized"
    }
  },
  "storage": {
    "sqlitePath": "./data/ppops.sqlite",
    "railgunDbPath": "./data/railgun-db",
    "artifactsPath": "./data/artifacts",
    "walletStatePath": "./data/railgun-wallet.json"
  },
  "secrets": {
    "apiTokenFile": "./secrets/api-token",
    "merchantSigningKeyFile": "./secrets/merchant-signing-key",
    "railgunDbEncryptionKeyFile": "./secrets/railgun-db-encryption-key",
    "viewingKeyFile": "./secrets/railgun-viewing-key",
    "webhookHmacKeyFile": "./secrets/webhook-hmac-key"
  },
  "scanner": {
    "intervalMs": 30000,
    "poiNodeUrls": [
      "https://REPLACE_WITH_YOUR_POI_NODE"
    ],
    "providerPollingIntervalMs": 10000,
    "rpcTimeoutMs": 20000,
    "maxRpcBlockLag": 5,
    "finalizedRecheckSeconds": 604800,
    "maxScanStalenessMs": 900000
  },
  "webhook": {
    "url": "https://REPLACE_WITH_YOUR_MERCHANT_BACKEND/ppops",
    "keyId": "v1",
    "timeoutMs": 10000,
    "maxAttempts": 12,
    "baseRetryMs": 5000,
    "maxRetryMs": 3600000
  }
}