Function invreq_done

plugins/fetchinvoice.c:948–1056

}

static struct command_result *invreq_done(struct command *cmd,
					  const char *buf,
					  const jsmntok_t *result,
					  struct sent *sent)
{
	const jsmntok_t *t;
	char *fail;
	enum nodeid_parity parity;

	/* Get invoice request */
	t = json_get_member(buf, result, "bolt12");
	if (!t)
		return command_fail(cmd, LIGHTNINGD,
				    "Missing bolt12 %.*s",
				    json_tok_full_len(result),
				    json_tok_full(buf, result));

	plugin_log(cmd->plugin, LOG_DBG,
		   "invoice_request: %.*s",
		   json_tok_full_len(t),
		   json_tok_full(buf, t));

	sent->inv = NULL;
	sent->invreq = invrequest_decode(sent,
					 buf + t->start,
					 t->end - t->start,
					 plugin_feature_set(cmd->plugin),
					 chainparams,
					 &fail);
	if (!sent->invreq)
		return command_fail(cmd, LIGHTNINGD,
				    "Invalid invoice_request %.*s: %s",
				    json_tok_full_len(t),
				    json_tok_full(buf, t),
				    fail);

	/* Now that's given us the previous base, check this is an OK time
	 * to request an invoice. */
	if (sent->invreq->recurrence_counter) {
		u64 *base;
		const jsmntok_t *pbtok;
		u64 period_idx = *sent->invreq->recurrence_counter;

		if (sent->invreq->recurrence_start)
			period_idx += *sent->invreq->recurrence_start;

		/* BOLT-offers-recurrence #12:
		 * - if the offer contained `recurrence_limit`:
		 *   - MUST NOT send an `invoice_request` for a period greater
		 *     than `max_period`
		 */
		if (sent->offer->recurrence_limit
		    && period_idx > *sent->offer->recurrence_limit)
			return command_fail(cmd, LIGHTNINGD,
					    "Can't send invreq for period %"
					    PRIu64" (limit %u)",
					    period_idx,
					    *sent->offer->recurrence_limit);