In this unit, we will show you how to use constructor and function modifier to make sure the function is only called by the owner.
Access the whole FREE Course and the source codes today!
▶ Learn more at https://hashcademy.com
▶ Instagram: https://www.instagram.com/hashcademy
▶ Facebook: https://www.facebook.com/hashcademy
▶ Twitter: https://twitter.com/hashcademy
▶ Medium: http://www.medium.com/hashreader