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langford.dev⚡

@langford_dev

3 Jan

💛 Web3 101 - Smart Contracts 💛

Let's talk about smart contracts

- What are they?
- How do they work?

Le Thread🧵👇🏽

A smart contract is:

- like an agreement between two people in the form of code.

- Cannot be changed after its written (immutable)

- only executes when predetermined conditions are met

- can be executed on its own without any third parties

- runs on the blockchain

Let's assume Jef wants to buy Vik's car

A smart contract represents the agreement between Jef & Vik on the blockchain

The contract will be like this:

AFTER Jef pays Vik 10 eth, THEN Jef becomes the new owner of the car

The contract only executes if Jef pays Vik 10 eth

Read 6 tweets

langford.dev⚡

@langford_dev

3 Jan

6 Simple tips on how to write better readable code ✅

Le thread 🧵👇🏼

✅ Use meaningful function and variable names

Avoid long phrases when naming.

Booleans should start with a verb (eg isActive, isOpen, isMoved...)

Names should be short easily understood

✅ Don't Repeat Yourself (DRY)

A function is supposed to do just one thing!

Group tasks into functions and only call them when needed. This makes your code cleaner

Don't repeat code!

Read 7 tweets

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