core-lightning/doc/lightning-listdatastore.7
Rusty Russell fe86c117d9 datastore: turn keys into arrays
After some discussion with @shesek, and my own usage, we agreed that
a more comprehensive interface, which explicitly supports grouping,
is desirable.

Thus keys are now arrays, with the semantic that a key is either a
parent or has a value, never both.

For convenience in the JSON schema, we always return them as arrays,
though we accept simple strings as arguments.

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

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.TH "LIGHTNING-LISTDATASTORE" "7" "" "" "lightning-listdatastore"
.SH NAME
lightning-listdatastore - Command for listing (plugin) data
.SH SYNOPSIS
\fBlistdatastore\fR [\fIkey\fR]
.SH DESCRIPTION
The \fBlistdatastore\fR RPC command allows plugins to fetch data which was
stored in the c-lightning database\.
All immediate children of the \fIkey\fR (or root children) are returned:
a \fIkey\fR with children won't have a \fIhex\fR or \fIgeneration\fR entry\.
.SH RETURN VALUE
On success, an object containing \fBdatastore\fR is returned\. It is an array of objects, where each object contains:
.RS
.IP \[bu]
\fBkey\fR (array of strings):
.RS
.IP \[bu]
Part of the key added to the datastore
.RE
.IP \[bu]
\fBgeneration\fR (u64, optional): The number of times this has been updated
.IP \[bu]
\fBhex\fR (hex, optional): The hex data 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]
-32602: invalid parameters\.
.RE
.SH AUTHOR
Rusty Russell \fI<rusty@rustcorp.com.au\fR> is mainly responsible\.
.SH SEE ALSO
\fBlightning-datastore\fR(7), \fBlightning-deldatastore\fR(7)
.SH RESOURCES
Main web site: \fIhttps://github.com/ElementsProject/lightning\fR
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