Function json_help

lightningd/jsonrpc.c:448–499

}

static struct command_result *json_help(struct command *cmd,
					const char *buffer,
					const jsmntok_t *obj UNNEEDED,
					const jsmntok_t *params)
{
	const char *cmdname;
	struct cmd_and_usage *one_cmd;
	struct json_help_info hinfo;

	if (!param_check(cmd, buffer, params,
			 p_opt("command", param_string, &cmdname),
			 NULL))
		return command_param_failed();

	if (cmdname) {
		one_cmd = strmap_get(&cmd->ld->jsonrpc->cmdmap, cmdname);
		if (!one_cmd)
			return command_fail(cmd, JSONRPC2_METHOD_NOT_FOUND,
					    "Unknown command %s",
					    cmdname);
		if (!command_deprecated_in_ok(cmd, NULL,
					      one_cmd->command->depr_start,
					      one_cmd->command->depr_end))
			return command_fail(cmd, JSONRPC2_METHOD_NOT_FOUND,
					    "Deprecated command %s",
					    cmdname);
		if (!cmd->ld->developer && one_cmd->command->dev_only)
			return command_fail(cmd, JSONRPC2_METHOD_NOT_FOUND,
					    "Developer-only command %s",
					    cmdname);
	} else
		one_cmd = NULL;

	if (command_check_only(cmd))
		return command_check_done(cmd);

	hinfo.cmd = cmd;
	hinfo.response = json_stream_success(cmd);
	json_array_start(hinfo.response, "help");
	if (one_cmd)
		json_add_help_command(cmdname, one_cmd, &hinfo);
	else {
		strmap_iterate(&cmd->ld->jsonrpc->cmdmap,
			       json_add_help_command, &hinfo);
	}
	json_array_end(hinfo.response);

	/* Tell cli this is simple enough to be formatted flat for humans */
	json_add_string(hinfo.response, "format-hint", "simple");

	return command_success(cmd, hinfo.response);
}

static const struct json_command *find_cmd(const struct jsonrpc *rpc,
					   const char *buffer,