Solidity Inheritance, Modifiers and Importing of Files

In this Lab you will learn how Solidity Inheritance works, what’s it for and how to use Modifiers.

We will create a long and spaghetti-like Smart Contract. Then we improve it step-by-step by using first a modifier, then separate logic into an external Smart Contract and then finally into an external File.

What You Know At The End Of The Lab

🎭 Modifiers

🧱 Inheritance

🗃 Importing of external Files

Prerequisites - You need:

1. Chrome or Firefox browser.

2. An Internet connection

3. About 60 Minutes of your precious time ⌛

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