// Copyright 2015 The Vanadium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package util

import (
	"strconv"

	"v.io/v23/context"
	"v.io/v23/verror"
)

func FormatVersion(version uint64) string {
	return strconv.FormatUint(version, 10)
}

func CheckVersion(ctx *context.T, presented string, actual uint64) error {
	if presented != "" && presented != FormatVersion(actual) {
		return verror.NewErrBadVersion(ctx)
	}
	return nil
}