2021-08-25 04:50:12 +02:00
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lightning-datastore -- Command for storing (plugin) data
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========================================================
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SYNOPSIS
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--------
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2022-01-26 18:18:49 +01:00
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**datastore** *key* [*string*] [*hex*] [*mode*] [*generation*]
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DESCRIPTION
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-----------
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The **datastore** RPC command allows plugins to store data in the
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2022-04-06 07:09:48 +02:00
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Core Lightning database, for later retrieval.
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2021-08-25 04:50:12 +02:00
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2021-08-25 04:51:34 +02:00
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*key* is an array of values (though a single value is treated as a
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2021-12-02 09:48:25 +01:00
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one-element array), to form a hierarchy. Using the first element of
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2021-08-25 04:51:34 +02:00
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the key as the plugin name (e.g. `[ "summary" ]`) is recommended.
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A key can either have children or a value, never both: parents are
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created and removed automatically.
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2021-08-25 04:50:12 +02:00
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2021-12-02 09:48:25 +01:00
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*mode* is one of "must-create" (default, fails if it already exists),
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"must-replace" (fails if it doesn't already exist),
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2021-08-25 04:50:37 +02:00
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"create-or-replace" (never fails), "must-append" (must already exist,
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append this to what's already there) or "create-or-append" (append if
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anything is there, otherwise create).
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2021-08-25 04:51:04 +02:00
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*generation*, if specified, means that the update will fail if the
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previously-existing data is not exactly that generation. This allows
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for simple atomicity. This is only legal with *mode* "must-replace"
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or "must-append".
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2021-08-25 04:50:12 +02:00
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RETURN VALUE
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------------
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[comment]: # (GENERATE-FROM-SCHEMA-START)
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On success, an object is returned, containing:
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2022-09-05 23:33:09 +02:00
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2021-08-25 04:51:34 +02:00
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- **key** (array of strings):
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- Part of the key added to the datastore
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- **generation** (u64, optional): The number of times this has been updated
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- **hex** (hex, optional): The hex data which has been added to the datastore
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2021-08-25 04:50:13 +02:00
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- **string** (string, optional): The data as a string, if it's valid utf-8
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2021-09-03 12:07:59 +02:00
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2021-08-25 04:50:12 +02:00
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[comment]: # (GENERATE-FROM-SCHEMA-END)
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The following error codes may occur:
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- 1202: The key already exists (and mode said it must not)
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- 1203: The key does not exist (and mode said it must)
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- 1204: The generation was wrong (and generation was specified)
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- 1205: The key has children already.
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- 1206: One of the parents already exists with a value.
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- -32602: invalid parameters
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AUTHOR
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------
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Rusty Russell <<rusty@rustcorp.com.au>> is mainly responsible.
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SEE ALSO
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--------
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lightning-listdatastore(7), lightning-deldatastore(7)
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RESOURCES
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---------
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Main web site: <https://github.com/ElementsProject/lightning>
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2023-01-30 07:24:16 +01:00
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[comment]: # ( SHA256STAMP:36976b15cda1e013713b88f2411da5900b169d99c87ee30b5e8389e45a0df68a)
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