Foundry DeFi Stablecoin

Project on StableCoin from Cyfrin Foundry Course by Patrick Collins

About

This project is meant to be a stablecoin where users can deposit WETH and WBTC in exchange for a token that will be pegged to USD.

Get started

Clone the repository
Change to cloned directory
Remember to set OWNER and PRIVATE_KEY in '.env'

Contracts

1. DecentralizedStableCoin : Our Stablecoin is called DecentralizedStableCoin (DSC). We are using ERC20 for the stablecoin with mint and burn facility.
2. DSCEngine : The main contract of our project which handles all the working and management of the system. It contains the logic for most of the processes of the system like liquidating, checking for health factor of a user, etc.

Scripts

1. DeployDSC : The main script which deploys the contracts.
2. HelperConfig : Provides network configuration

Tests

1. mocks : Mockv3Aggregator to mock priceFeeds
2. unit : unit tests
3. fuzz : fuzz testing

Features

Creating a stablecoin using ERC20
Using Chainlink Aggregators for Price feeds
Using custom errors and events
Using weth and wbtc as collateral
Checking health Factor of a user
Preventing undercollateralization
Liquidation
Burning and Minting DSC
Redeeming Collateral
View functions

A lot of testing in form of unit tests and fuzz tests
Deploy Scripts
Etc

By

Shiv