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248 lines
14 KiB
Markdown
248 lines
14 KiB
Markdown
---
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html: ledger.html # Watch carefully for clashes w/ this filename
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parent: ledger-methods.html
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blurb: Get info about a ledger version.
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labels:
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- Blockchain
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---
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# ledger
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[[Source]](https://github.com/ripple/rippled/blob/master/src/ripple/rpc/handlers/LedgerHandler.cpp "Source")
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Retrieve information about the public [ledger](ledgers.html).
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## Request Format
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An example of the request format:
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<!-- MULTICODE_BLOCK_START -->
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*WebSocket*
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```json
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{
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"id": 14,
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"command": "ledger",
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"ledger_index": "validated",
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"full": false,
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"accounts": false,
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"transactions": false,
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"expand": false,
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"owner_funds": false
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}
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```
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*JSON-RPC*
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```json
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{
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"method": "ledger",
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"params": [
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{
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"ledger_index": "validated",
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"accounts": false,
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"full": false,
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"transactions": false,
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"expand": false,
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"owner_funds": false
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}
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]
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}
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```
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*Commandline*
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```
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#Syntax: ledger ledger_index|ledger_hash [full|tx]
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# "full" is equivalent to "full": true
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# "tx" is equivalent to "transactions": true
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rippled ledger validated
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```
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<!-- MULTICODE_BLOCK_END -->
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[Try it! >](websocket-api-tool.html#ledger)
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The request can contain the following parameters:
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| `Field` | Type | Required? | Description |
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|:---------------|:-----------------|:----------|-------------|
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| `ledger_hash` | [Hash][] | No | A 20-byte hex string for the ledger version to use. (See [Specifying Ledgers][]). |
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| `ledger_index` | [Ledger Index][] | No | The [ledger index][] of the ledger to use, or a shortcut string to choose a ledger automatically. (See [Specifying Ledgers][]) |
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| `full` | Boolean | No | **Admin only** If `true`, return full information on the entire ledger. Ignored if you did not specify a ledger version. The default is `false`. (Equivalent to enabling `transactions`, `accounts`, and `expand`.) The [Clio server](the-clio-server.html) does not support this field. **Caution:** On Mainnet, this can be gigabytes worth of data, so the request is likely to time out. |
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| `accounts` | Boolean | No | **Admin only.** If `true`, return the ledger's entire state data. Ignored if you did not specify a ledger version. The default is `false`. **Caution:** On Mainnet, this can be gigabytes worth of data, so the request is likely to time out. Use [ledger_data][ledger_data method] instead to fetch state data across multiple paginated requests. |
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| `transactions` | Boolean | No | If `true`, return information on transactions in the specified ledger version. The default is `false`. Ignored if you did not specify a ledger version. |
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| `expand` | Boolean | No | Provide full JSON-formatted information for transaction/account information instead of only hashes. The default is `false`. Ignored unless you request transactions, accounts, or both. |
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| `owner_funds` | Boolean | No | If `true`, include `owner_funds` field in the metadata of OfferCreate transactions in the response. The default is `false`. Ignored unless transactions are included and `expand` is true. |
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| `binary` | Boolean | No | If `true`, and `transactions` and `expand` are both also `true`, return transaction information in binary format (hexadecimal string) instead of JSON format. [New in: rippled 0.28.0][] |
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| `queue` | Boolean | No | If `true`, and the command is requesting the `current` ledger, includes an array of [queued transactions](transaction-cost.html#queued-transactions) in the results. |
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| `type` | String | No | Filter by a ledger entry type. {% include '_snippets/lowercase-types.md' %} Ignored unless you request `accounts` (state data). |
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The `ledger` field is deprecated and may be removed without further notice.
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## Response Format
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An example of a successful response:
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<!-- MULTICODE_BLOCK_START -->
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*WebSocket*
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```json
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{
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"id": 14,
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"result": {
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"ledger": {
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"accepted": true,
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"account_hash": "53BD4650A024E27DEB52DBB6A52EDB26528B987EC61C895C48D1EB44CEDD9AD3",
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"close_flags": 0,
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"close_time": 638329241,
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"close_time_human": "2020-Mar-24 01:40:41.000000000 UTC",
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"close_time_resolution": 10,
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"closed": true,
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"hash": "1723099E269C77C4BDE86C83FA6415D71CF20AA5CB4A94E5C388ED97123FB55B",
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"ledger_hash": "1723099E269C77C4BDE86C83FA6415D71CF20AA5CB4A94E5C388ED97123FB55B",
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"ledger_index": "54300932",
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"parent_close_time": 638329240,
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"parent_hash": "DF68B3BCABD31097634BABF0BDC87932D43D26E458BFEEFD36ADF2B3D94998C0",
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"seqNum": "54300932",
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"totalCoins": "99991024049648900",
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"total_coins": "99991024049648900",
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"transaction_hash": "50B3A8FE2C5620E43AA57564209AEDFEA3E868CFA2F6E4AB4B9E55A7A62AAF7B"
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},
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"ledger_hash": "1723099E269C77C4BDE86C83FA6415D71CF20AA5CB4A94E5C388ED97123FB55B",
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"ledger_index": 54300932,
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"validated": true
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},
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"status": "success",
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"type": "response"
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}
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```
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*JSON-RPC*
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```json
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200 OK
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{
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"result": {
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"ledger": {
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"accepted": true,
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"account_hash": "B258A8BB4743FB74CBBD6E9F67E4A56C4432EA09E5805E4CC2DA26F2DBE8F3D1",
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"close_flags": 0,
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"close_time": 638329271,
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"close_time_human": "2020-Mar-24 01:41:11.000000000 UTC",
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"close_time_resolution": 10,
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"closed": true,
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"hash": "3652D7FD0576BC452C0D2E9B747BDD733075971D1A9A1D98125055DEF428721A",
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"ledger_hash": "3652D7FD0576BC452C0D2E9B747BDD733075971D1A9A1D98125055DEF428721A",
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"ledger_index": "54300940",
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"parent_close_time": 638329270,
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"parent_hash": "AE996778246BC81F85D5AF051241DAA577C23BCA04C034A7074F93700194520D",
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"seqNum": "54300940",
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"totalCoins": "99991024049618156",
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"total_coins": "99991024049618156",
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"transaction_hash": "FC6FFCB71B2527DDD630EE5409D38913B4D4C026AA6C3B14A3E9D4ED45CFE30D"
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},
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"ledger_hash": "3652D7FD0576BC452C0D2E9B747BDD733075971D1A9A1D98125055DEF428721A",
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"ledger_index": 54300940,
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"status": "success",
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"validated": true
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}
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}
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```
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*Commandline*
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```json
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Loading: "/etc/opt/ripple/rippled.cfg"
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2020-Mar-24 01:42:42.622264591 UTC HTTPClient:NFO Connecting to 127.0.0.1:5005
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{
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"result" : {
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"ledger" : {
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"accepted" : true,
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"account_hash" : "6B3101BE8F1431C5AC5B43D9731F1F3A747D24B3BEF89B687F0F3039E10EB65A",
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"close_flags" : 0,
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"close_time" : 638329360,
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"close_time_human" : "2020-Mar-24 01:42:40.000000000 UTC",
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"close_time_resolution" : 10,
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"closed" : true,
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"hash" : "C88A0EEC0E785A4C3E99F2A8B8EE0D7BDF3DE6C786C39B1B01547F6DAE5A4B7F",
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"ledger_hash" : "C88A0EEC0E785A4C3E99F2A8B8EE0D7BDF3DE6C786C39B1B01547F6DAE5A4B7F",
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"ledger_index" : "54300962",
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"parent_close_time" : 638329352,
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"parent_hash" : "96D2D70DC540BA4614A00C77FCFDED20E7D58AF3238E36655C38C407A56982A3",
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"seqNum" : "54300962",
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"totalCoins" : "99991024049218063",
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"total_coins" : "99991024049218063",
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"transaction_hash" : "47AC79011652D2A56AE04D3DD618C60A6669E3F94308C803554E890D2BD94481"
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},
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"ledger_hash" : "C88A0EEC0E785A4C3E99F2A8B8EE0D7BDF3DE6C786C39B1B01547F6DAE5A4B7F",
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"ledger_index" : 54300962,
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"status" : "success",
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"validated" : true
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}
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}
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```
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<!-- MULTICODE_BLOCK_END -->
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The response follows the [standard format][], with a successful result containing information about the ledger, including the following fields:
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| `Field` | Type | Description |
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|:-------------------------------|:--------|:----------------------------------|
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| `ledger` | Object | The complete header data of this ledger. |
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| `ledger.account_hash` | String | Hash of all account state information in this ledger, as hex |
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| `ledger.accountState` | Array | (Omitted unless requested) All the [account-state information](ledger-data-formats.html) in this ledger. |
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| `ledger.close_flags` | Integer | A bit-map of [flags relating to the closing of this ledger](ledger-header.html#close-flags). |
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| `ledger.close_time` | Integer | The time this ledger was closed, in [seconds since the Ripple Epoch][] |
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| `ledger.close_time_human` | String | The time this ledger was closed, in human-readable format. Always uses the UTC time zone. [Updated in: rippled 1.5.0][] |
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| `ledger.close_time_resolution` | Integer | Ledger close times are rounded to within this many seconds. |
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| `ledger.closed` | Boolean | Whether or not this ledger has been closed |
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| `ledger.ledger_hash` | String | Unique identifying hash of the entire ledger. |
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| `ledger.ledger_index` | String | The [Ledger Index][] of this ledger, as a quoted integer |
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| `ledger.parent_close_time` | Integer | The time at which the previous ledger was closed. |
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| `ledger.parent_hash` | String | Unique identifying hash of the ledger that came immediately before this one. |
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| `ledger.total_coins` | String | Total number of XRP drops in the network, as a quoted integer. (This decreases as transaction costs destroy XRP.) |
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| `ledger.transaction_hash` | String | Hash of the transaction information included in this ledger, as hex |
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| `ledger.transactions` | Array | (Omitted unless requested) Transactions applied in this ledger version. By default, members are the transactions' identifying [Hash][] strings. If the request specified `expand` as true, members are full representations of the transactions instead, in either JSON or binary depending on whether the request specified `binary` as true. |
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| `ledger_hash` | String | Unique identifying hash of the entire ledger. |
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| `ledger_index` | Number | The [Ledger Index][] of this ledger. |
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| `validated` | Boolean | _(May be omitted)_ If `true`, this is a validated ledger version. If omitted or set to `false`, this ledger's data is not final. |
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| `queue_data` | Array | _(Omitted unless requested with the `queue` parameter)_ Array of objects describing queued transactions, in the same order as the queue. If the request specified `expand` as true, members contain full representations of the transactions, in either JSON or binary depending on whether the request specified `binary` as true. Added by the [FeeEscalation amendment][]. [New in: rippled 0.70.0][] |
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The following fields are deprecated and may be removed without further notice: `accepted`, `hash` (use `ledger_hash` instead), `seqNum` (use `ledger_index` instead), `totalCoins` (use `total_coins` instead).
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Each member of the `queue_data` array represents one transaction in the queue. Some fields of this object may be omitted because they have not yet been calculated. The fields of this object are as follows:
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| Field | Value | Description |
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|:--------------------|:-----------------|:------------------------------------|
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| `account` | String | The [Address][] of the sender for this queued transaction. |
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| `tx` | String or Object | By default, this is a String containing the [identifying hash](basic-data-types.html#hashes) of the transaction. If transactions are expanded in binary format, this is an object whose only field is `tx_blob`, containing the binary form of the transaction as a decimal string. If transactions are expanded in JSON format, this is an object containing the [transaction object](transaction-formats.html) including the transaction's identifying hash in the `hash` field. |
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| `retries_remaining` | Number | How many times this transaction can be retried before being dropped. |
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| `preflight_result` | String | The tentative result from preliminary transaction checking. This is always `tesSUCCESS`. |
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| `last_result` | String | _(May be omitted)_ If this transaction was left in the queue after getting a [retriable (`ter`) result](ter-codes.html), this is the exact `ter` result code it got. |
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| `auth_change` | Boolean | _(May be omitted)_ Whether this transaction changes this address's [ways of authorizing transactions](transaction-basics.html#authorizing-transactions). |
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| `fee` | String | _(May be omitted)_ The [Transaction Cost](transaction-cost.html) of this transaction, in [drops of XRP][]. |
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| `fee_level` | String | _(May be omitted)_ The transaction cost of this transaction, relative to the minimum cost for this type of transaction, in [fee levels][]. |
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| `max_spend_drops` | String | _(May be omitted)_ The maximum amount of [XRP, in drops][], this transaction could potentially send or destroy. |
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If the request specified `"owner_funds": true` and expanded transactions, the response has a field `owner_funds` in the `metaData` object of each [OfferCreate transaction][]. The purpose of this field is to make it easier to track the [funding status of offers](offers.html#lifecycle-of-an-offer) with each new validated ledger. This field is defined slightly differently than the version of this field in [Order Book subscription streams](subscribe.html#order-book-streams):
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| `Field` | Value | Description |
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|:--------------|:-------|:----------------------------------------------------|
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| `owner_funds` | String | Numeric amount of the `TakerGets` currency that the `Account` sending this OfferCreate transaction has after the execution of all transactions in this ledger. This does not check whether the currency amount is [frozen](freezes.html). |
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## Possible Errors
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* Any of the [universal error types][].
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* `invalidParams` - One or more fields are specified incorrectly, or one or more required fields are missing.
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* `lgrNotFound` - The ledger specified by the `ledger_hash` or `ledger_index` does not exist, or it does exist but the server does not have it.
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* `noPermission` - If you specified `full` or `accounts` as true, but are not connected to the server as an admin (usually, admin requires connecting on a local port).
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<!--{# common link defs #}-->
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{% include '_snippets/rippled-api-links.md' %}
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{% include '_snippets/tx-type-links.md' %}
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{% include '_snippets/rippled_versions.md' %}
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