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54 lines
1.5 KiB
Markdown
54 lines
1.5 KiB
Markdown
lightning-checkmessage -- Command to check if a signature is from a node
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=====================================================================
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SYNOPSIS
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--------
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**checkmessage** *message* *zbase* [*pubkey*]
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DESCRIPTION
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-----------
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The **checkmessage** RPC command is the counterpart to
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**signmessage**: given a node id (*pubkey*), signature (*zbase*) and a
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*message*, it verifies that the signature was generated by that node
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for that message (more technically: by someone who knows that node's
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secret).
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As a special case, if *pubkey* is not specified, we will try every
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known node key (as per *listnodes*), and verification succeeds if it
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matches for any one of them. Note: this is implemented far more
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efficiently than trying each one, so performance is not a concern.
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On failure, an error is returned and core lightning exit with the following error code:
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- -32602: Parameter missed or malformed;
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- 1301: *pubkey* not found in the graph.
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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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- **verified** (boolean): whether the signature was valid (always *true*)
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- **pubkey** (pubkey): the *pubkey* parameter, or the pubkey found by looking for known nodes
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[comment]: # (GENERATE-FROM-SCHEMA-END)
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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-signmessage(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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[comment]: # ( SHA256STAMP:4a7c148e1b7f321a7710f540de2d8418850f1a6269badab8cbe47545c41f4d01)
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