{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "LEB",
  "description": "Ledger Entry Bundle for DBIS Rail canonical hashing (lebHash)",
  "type": "object",
  "required": ["ledgerSystemId", "journalId", "batchNumber", "postingTimestamp", "reserveAccountId"],
  "properties": {
    "ledgerSystemId": { "type": "string", "description": "Identifies the ledger system" },
    "journalId": { "type": "string", "description": "Unique journal or batch identifier" },
    "batchNumber": { "type": "integer", "description": "Batch or sequence number" },
    "postingTimestamp": { "type": "integer", "description": "Unix seconds" },
    "reserveAccountId": { "type": "string", "description": "Reserve or settlement account id" },
    "entries": {
      "type": "array",
      "description": "List of line items (account, amount, currency, side)",
      "items": { "type": "object" }
    }
  },
  "additionalProperties": false
}