> ## Documentation Index
> Fetch the complete documentation index at: https://docs.dune.com/llms.txt
> Use this file to discover all available pages before exploring further.

# stellar.history_ledgers

> Stellar ledger data — sequence number, transaction count, and protocol version.

export const TableSample = ({tableName, tableSchema}) => <>
    <div className="hidden dark:block">
      <iframe src={`https://dune.com/embeds/3419983/5785629?table_schema_t6f0df=${tableSchema}&table_name_t6f0df=${tableName}&darkMode=true`} style={{
  width: '100%',
  height: '500px',
  border: 'none',
  marginTop: '10px'
}} />
    </div>
    <div className="dark:hidden">
      <iframe src={`https://dune.com/embeds/3419983/5785629?table_schema_t6f0df=${tableSchema}&table_name_t6f0df=${tableName}`} style={{
  width: '100%',
  height: '500px',
  border: 'none',
  marginTop: '10px'
}} />
    </div>
  </>;

## Table description

The `stellar.history_ledgers` table tracks ledgers info (equivalent of blocks on other blockchain), including metadata such as sequence numbers, transactions included, and fees.

## Column Descriptions

| **Column**                              | **Description**                                                                     | **Type**                    |
| --------------------------------------- | ----------------------------------------------------------------------------------- | --------------------------- |
| **closed\_at\_date**                    | The date when the ledger was closed.                                                | date                        |
| **sequence**                            | The sequence number of the ledger.                                                  | bigint                      |
| **ledger\_hash**                        | The hash of the current ledger, in binary format.                                   | varbinary                   |
| **previous\_ledger\_hash**              | The hash of the previous ledger, in binary format.                                  | varbinary                   |
| **transaction\_count**                  | The number of transactions included in the ledger.                                  | bigint                      |
| **operation\_count**                    | The number of operations executed within the transactions in the ledger.            | bigint                      |
| **closed\_at**                          | The timestamp when the ledger was closed.                                           | timestamp(3) with time zone |
| **id**                                  | The unique identifier for the ledger entry.                                         | bigint                      |
| **total\_coins**                        | The total number of lumens (XLM) in circulation at the time the ledger was closed.  | bigint                      |
| **fee\_pool**                           | The sum of all transaction fees accumulated in the ledger.                          | bigint                      |
| **base\_fee**                           | The minimum fee, in lumens (XLM), charged per operation included in the ledger.     | bigint                      |
| **base\_reserve**                       | The minimum XLM balance required to maintain an account, as defined in the ledger.  | bigint                      |
| **max\_tx\_set\_size**                  | The maximum number of transactions that can be included in a ledger.                | bigint                      |
| **protocol\_version**                   | The protocol version used by the ledger.                                            | bigint                      |
| **ledger\_header**                      | The raw binary (XDR) representation of the ledger header.                           | varbinary                   |
| **successful\_transaction\_count**      | The number of successful transactions in the ledger.                                | bigint                      |
| **failed\_transaction\_count**          | The number of failed transactions in the ledger.                                    | bigint                      |
| **tx\_set\_operation\_count**           | The total number of operations in the transaction set of the ledger.                | bigint                      |
| **soroban\_fee\_write\_1kb**            | The fee in lumens (XLM) for writing 1KB of data related to Soroban smart contracts. | bigint                      |
| **node\_id**                            | The identifier of the node that signed and validated the ledger.                    | varchar                     |
| **signature**                           | The digital signature applied to the ledger by the validating node.                 | varchar                     |
| **total\_byte\_size\_of\_bucket\_list** | The total byte size of the ledger's bucket list, which tracks state changes.        | bigint                      |
| **updated\_at**                         | The time when the ledger record was last updated.                                   | timestamp(3) with time zone |
| **ingested\_at**                        | The time when the ledger data was ingested into the system.                         | timestamp(3) with time zone |

## Table Sample

<TableSample tableSchema="stellar" tableName="history_ledgers" />