Function param_paths

plugins/offers_offer.c:393–449

};

static struct command_result *param_paths(struct command *cmd, const char *name,
					  const char *buffer, const jsmntok_t *tok,
					  struct path ***paths)
{
	size_t i;
	const jsmntok_t *t;
	const struct offers_data *od = get_offers_data(cmd->plugin);

	if (tok->type != JSMN_ARRAY)
		return command_fail_badparam(cmd, name, buffer, tok, "Must be array");

	*paths = tal_arr(cmd, struct path *, tok->size);
	json_for_each_arr(i, t, tok) {
		size_t j;
		const jsmntok_t *p;

		if (t->type != JSMN_ARRAY || t->size == 0) {
			return command_fail_badparam(cmd, name, buffer, t,
						     "Must be array of non-empty arrays");
		}

		(*paths)[i] = tal(*paths, struct path);
		(*paths)[i]->path = tal_arr((*paths)[i], struct pubkey, t->size);
		json_for_each_arr(j, p, t) {
			struct pubkey pk;
			if (j == 0) {
				struct sciddir_or_pubkey init;
				if (!json_to_sciddir_or_pubkey(buffer, p, &init)) {
					return command_fail_badparam(cmd, name, buffer, p,
								     "invalid pubkey/sciddir");
				}
				if (!init.is_pubkey) {
					(*paths)[i]->first_scidd = tal_dup((*paths)[i],
									  struct short_channel_id_dir,
									  &init.scidd);
					if (!gossmap_scidd_pubkey(get_gossmap(cmd->plugin), &init)) {
						return command_fail_badparam(cmd, name, buffer, p,
									     "unknown sciddir");
					}
				} else {
					(*paths)[i]->first_scidd = NULL;
				}
				pk = init.pubkey;
			} else {
				if (!json_to_pubkey(buffer, p, &pk)) {
					return command_fail_badparam(cmd, name, buffer, p,
								     "invalid pubkey");
				}
			}
			if (j == t->size - 1 && !pubkey_eq(&pk, &od->id))
				return command_fail_badparam(cmd, name, buffer, p,
							     "final pubkey must be this node");
			(*paths)[i]->path[j] = pk;
		}
	}
	return NULL;
}