{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "title": "ledgerEvent",
  "description": "A ledger event message",
  "type": "object",
  "properties": {
    "baseFeeXRP": {
      "$ref": "value",
      "description": "Base fee, in XRP."
    },
    "ledgerHash": {
      "$ref": "hash256",
      "description": "Unique hash of the ledger that was closed, as hex."
    },
    "ledgerVersion": {
      "$ref": "ledgerVersion",
      "description": "Ledger version of the ledger that closed."
    },
    "ledgerTimestamp": {
      "type": "string",
      "format": "date-time",
      "description": "The time at which this ledger closed."
    },
    "reserveBaseXRP": {
      "$ref": "value",
      "description": "The minimum reserve, in XRP, that is required for an account."
    },
    "reserveIncrementXRP": {
      "$ref": "value",
      "description": "The increase in account reserve that is added for each item the account owns, such as offers or trust lines."
    },
    "transactionCount": {
      "type": "integer",
      "minimum": 0,
      "description": "Number of new transactions included in this ledger."
    },
    "validatedLedgerVersions": {
      "type": "string",
      "description": "Range of ledgers that the server has available. This may be discontiguous."
    }
  },
  "addtionalProperties": false,
  "required": ["baseFeeXRP", "ledgerHash", "ledgerTimestamp",
    "reserveBaseXRP", "reserveIncrementXRP", "transactionCount",
    "ledgerVersion", "validatedLedgerVersions"]
}