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The Ledger Object
10

import { ExampleResponse } from "components/ExampleResponse"; import { AttributeTable } from "components/AttributeTable";

When Horizon returns information about a ledger, it uses the following format:

  • ATTRIBUTE
    • DATA TYPE
    • DESCRIPTION
  • id
    • string
    • A unique identifier for this ledger.
  • paging_token
  • hash
    • string
    • A hex-encoded SHA-256 hash of this ledger’s XDR-encoded form.
  • prev_hash
    • string
    • The hash of the ledger immediately preceding this ledger.
  • sequence
    • number
    • The sequence number of this ledger, and the parameter used in Horizon calls that require a ledger number.
  • successful_transaction_count
    • number
    • The number of successful transactions in this ledger.
  • failed_transaction_count
    • number
    • The number of failed transactions in this ledger.
  • operation_count
    • number
    • The number of operations applied in this ledger.
  • tx_set_operation_count
    • number
    • The number of total operations in the transaction set (including failed transactions).
  • closed_at
    • string
    • An ISO 8601 formatted string of when this ledger was closed.
  • total_coins
    • string
    • The total number of lumens in circulation.
  • fee_pool
    • string
    • The sum of all transaction fees.
  • base_fee_in_stroops
    • number
    • The fee the network charges per operation in a transaction.
  • base_reserve_in_stroops
    • number
    • The reserve the network uses when calculating an account’s minimum balance.
  • max_tx_set_size
    • number
    • The maximum number of operations validators have agreed to process in a given ledger. Since Protocol 11, ledger capacity has been measured in operations rather than transactions. For more info on that decision, see CAP-5.
  • protocol_version
    • number
    • The protocol version that the Stellar network was running when this ledger was committed.
  • header_xdr
    • string
    • A base64 encoded string of the raw LedgerHeader xdr struct for this ledger.
{
  "_links": {
    "self": {
      "href": "https://horizon.stellar.org/ledgers/26857634"
    },
    "transactions": {
      "href": "https://horizon.stellar.org/ledgers/26857634/transactions{?cursor,limit,order}",
      "templated": true
    },
    "operations": {
      "href": "https://horizon.stellar.org/ledgers/26857634/operations{?cursor,limit,order}",
      "templated": true
    },
    "payments": {
      "href": "https://horizon.stellar.org/ledgers/26857634/payments{?cursor,limit,order}",
      "templated": true
    },
    "effects": {
      "href": "https://horizon.stellar.org/ledgers/26857634/effects{?cursor,limit,order}",
      "templated": true
    }
  },
  "id": "548393ec23959e1959a62f003029ecf96be89e13df036073bf64918996ec4227",
  "paging_token": "115352659677937664",
  "hash": "548393ec23959e1959a62f003029ecf96be89e13df036073bf64918996ec4227",
  "prev_hash": "446d6eca81dd6db6daf50d93ca9d297bd60b1233b91de3765cccdf503cfffcb0",
  "sequence": 26857634,
  "successful_transaction_count": 27,
  "failed_transaction_count": 1,
  "operation_count": 133,
  "tx_set_operation_count": 134, 
  "closed_at": "2019-11-18T19:27:21Z",
  "total_coins": "105443902087.3472865",
  "fee_pool": "1807038.9789761",
  "base_fee_in_stroops": 100,
  "base_reserve_in_stroops": 5000000,
  "max_tx_set_size": 1000,
  "protocol_version": 12,
  "header_xdr": "AAAADERtbsqB3W222vUNk8qdKXvWCxIzuR3jdlzM31A8//ywoQieYsSc05/BpgEqnLR7fKXz7t0K42V7NOjbGZA/wTEAAAAAXdLwmQAAAAAAAAAAplf68mTg/Z/DDyEZeLCoNbJnMZm4SYsYWjUjuDOSfPeRNFE4n9Hm19yKutjwVurFjk72JKVHI8J+ELwLZgWsywGZ0KIOoh6z7HlbYQAAEG9XKhRBAAABFgAAAAAH9M6YAAAAZABMS0AAAAPop9+CeMs1/7BHgFltiQPH+VT+ACYb5P0lSXh7RpBLtd34kEpeL8qKJxYz4ufmkQ2lEv/HMR/i3bi1Rt0PYj185/0kAZ3ZRbmm2mVRMzmaCOak1rn2vejHXDh+MGlr6D6vI2tc/M6VIumTKUa7SgumWDyW0r5FcJTbu/FXDQ/6C4YAAAAA"
}