davide/palladum-lightning
1
0
Fork 0
Code Issues Pull Requests Actions 5 Packages Projects Releases Wiki Activity

runes: bolt12 parsing.

Browse Source 
Changelog-Added: JSON-RPC: `createrune` new restriction `pinv` to examine bolt11/bolt12 invoice fields (e.g. amount of invoice).
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2024-03-22 13:35:06 +10:30
parent a3332dcc34
commit 1f53c275ef
1 changed files with 43 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

47
lightningd/runes.c
View File

@@ -3,6 +3,7 @@
#include <ccan/json_escape/json_escape.h>
#include <ccan/rune/rune.h>
#include <ccan/tal/str/str.h>
#include <common/bolt12.h>
#include <common/configdir.h>
#include <common/json_command.h>
#include <common/json_param.h>
@@ -762,14 +763,41 @@ static const char *check_bolt11_condition(const tal_t *ctx,
abort();
}
static const char *check_bolt12_condition(const tal_t *ctx,
const struct rune_altern *alt,
const struct tlv_invoice *b12,
enum invoice_field invf)
{
switch (invf) {
case INV_FIELD_AMOUNT:
if (!b12->invoice_amount)
return rune_alt_single_missing(ctx, alt);
return rune_alt_single_int(ctx, alt, *b12->invoice_amount);
case INV_FIELD_NODE_ID: {
if (!b12->offer_node_id)
return rune_alt_single_missing(ctx, alt);
const char *id = fmt_pubkey(tmpctx, b12->offer_node_id);
return rune_alt_single_str(ctx, alt, id, strlen(id));
}
case INV_FIELD_DESCRIPTION:
if (!b12->offer_description)
return rune_alt_single_missing(ctx, alt);
return rune_alt_single_str(ctx, alt, b12->offer_description,
tal_bytelen(b12->offer_description));
}
abort();
}
static const char *check_inv_condition(const tal_t *ctx,
const struct rune_altern *alt,
struct cond_info *cinfo)
{
const char *invfield = alt->fieldname + strlen("pinv");
const char *param;
char *fail;
char *b11fail, *b12fail;
const struct bolt11 *b11;
const struct tlv_invoice *b12;
enum invoice_field invf;
const jsmntok_t *ptok;
const char *invstr;
@@ -793,12 +821,23 @@ static const char *check_inv_condition(const tal_t *ctx,
NULL,
NULL,
NULL,
&fail);
&b11fail);
if (b11)
return check_bolt11_condition(ctx, alt, b11, invf);
/* FIXME! Decode bolt12 too! */
return tal_fmt(ctx, "Invalid invoice: %s", fail);
b12 = invoice_decode(tmpctx,
invstr, strlen(invstr),
NULL,
NULL,
&b12fail);
if (b12)
return check_bolt12_condition(ctx, alt, b12, invf);
/* If it looks like BOLT11, use that fail msg (it's probably
* more informative!) */
if (strstarts(invstr, "lni"))
return tal_fmt(ctx, "Invalid invoice: %s", b12fail);
return tal_fmt(ctx, "Invalid invoice: %s", b11fail);
}
static const char *check_condition(const tal_t *ctx,