core-lightning/doc/lightning-deldatastore.7
Rusty Russell 533571a655 datastore: add generation, simple atomicity.
We add a generation counter, and allow update or del conditional
on a given generation.

Formalizes error codes, too, since we have more now.

Suggested-by: @shesek
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2021-08-25 10:06:31 +02:00

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.TH "LIGHTNING-DELDATASTORE" "7" "" "" "lightning-deldatastore"
.SH NAME
lightning-deldatastore - Command for removing (plugin) data
.SH SYNOPSIS
\fBdeldatastore\fR \fIkey\fR [\fIgeneration\fR]
.SH DESCRIPTION
The \fBdeldatastore\fR RPC command allows plugins to delete data it has
stored in the c-lightning database\.
The command fails if the \fIkey\fR isn't present, or if \fIgeneration\fR
is specified and the generation of the data does not exactly match\.
.SH RETURN VALUE
On success, an object is returned, containing:
.RS
.IP \[bu]
\fBkey\fR (string): The key which has been removed from the datastore
.IP \[bu]
\fBgeneration\fR (u64): The number of times this has been updated
.IP \[bu]
\fBhex\fR (hex): The hex data which has removed from the datastore
.IP \[bu]
\fBstring\fR (string, optional): The data as a string, if it's valid utf-8
.RE
The following error codes may occur:
.RS
.IP \[bu]
1200: the key does not exist
.IP \[bu]
1201: the key does exist, but the generation is wrong
.IP \[bu]
-32602: invalid parameters
.RE
.SH AUTHOR
Rusty Russell \fI<rusty@rustcorp.com.au\fR> is mainly responsible\.
.SH SEE ALSO
\fBlightning-listdatastore\fR(7), \fBlightning-datastore\fR(7)
.SH RESOURCES
Main web site: \fIhttps://github.com/ElementsProject/lightning\fR
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