ba7d4a8f6b
We were including the entire list of prerequisites when generating a shastamp, which for schemas includes the `tools/fromschema.py` doc. This meant all of our shasums were updating anytime this tool file changed. Instead, we just include the first prerequisite. See: https://www.gnu.org/software/make/manual/html_node/Automatic-Variables.html#Automatic-Variables
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lightning-checkmessage -- Command to check if a signature is from a node
SYNOPSIS
checkmessage message zbase [pubkey]
DESCRIPTION
The checkmessage RPC command is the counterpart to signmessage: given a node id (pubkey), signature (zbase) and a message, it verifies that the signature was generated by that node for that message (more technically: by someone who knows that node's secret).
As a special case, if pubkey is not specified, we will try every known node key (as per listnodes), and verification succeeds if it matches for any one of them. Note: this is implemented far more efficiently than trying each one, so performance is not a concern.
RETURN VALUE
On success, an object is returned, containing:
- verified (boolean): Whether the signature was valid
If verified is true:
- pubkey (pubkey): the pubkey parameter, or the pubkey found by looking for known nodes
If verified is false:
- pubkey (pubkey): the pubkey (if any) which could have signed this; this is usually not useful!
AUTHOR
Rusty Russell <rusty@rustcorp.com.au> is mainly responsible.
SEE ALSO
lightning-signmessage(7)
RESOURCES
Main web site: https://github.com/ElementsProject/lightning