Function plugin_add_params

lightningd/plugin.c:1565–1608

Start command might have included plugin-specific parameters. * We make sure they *are* parameters for this plugin, then add them * to our configvars. */

 * We make sure they *are* parameters for this plugin, then add them
 * to our configvars. */
static const char *plugin_add_params(const struct plugin *plugin)
{
	size_t i;
	const jsmntok_t *t;

	if (!plugin->params)
		return NULL;

	json_for_each_obj(i, t, plugin->params) {
		struct opt_table *ot;
		const char *name = json_strdup(tmpctx, plugin->parambuf, t);
		struct configvar *cv;
		const char *err;

		/* This serves two purposes; make sure we don't set an option
		 * for a different pligin on the plugin start cmdline, and
		 * make sure we clean it up, since we only clean our own
		 * configvars in destroy_plugin_opt */
		if (!plugin_opt_find(plugin, name))
			return tal_fmt(plugin, "unknown parameter %s", name);

		ot = opt_find_long(name, NULL);
		if (ot->type & OPT_HASARG) {
			name = tal_fmt(NULL, "%s=%.*s",
				       name,
				       t[1].end - t[1].start,
				       plugin->parambuf + t[1].start);
		}
		cv = configvar_new(plugin->plugins->ld->configvars,
				   CONFIGVAR_PLUGIN_START,
				   NULL, 0, take(name));
		tal_arr_expand(&plugin->plugins->ld->configvars, cv);

		/* If this fails, we free plugin and unregister the configvar */
		err = configvar_parse(cv, false, true,
				      plugin->plugins->ld->developer);
		if (err)
			return err;
	}

	/* We might have overridden previous configvars */
	configvar_finalize_overrides(plugin->plugins->ld->configvars);
	return NULL;
}

static void plugin_manifest_timeout(struct plugin *plugin)
{