Decentralized StableCoin (DSC)

• 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 the USD.

Mechanism:

1. Relative stability: Anchored or pegged -> 1.00$
   1. Chainlink Price feed.
   2. Set a function to exchange ETH & BTC -> $$$
2. Stability Mechanism (Minting): Algorithmic(Decentralized)
   1. People can only mint stablecoin with enough collateral.
3. Collateral: Exogenous(Crypto)
   1. wETH
   2. wBTC

Quickstart

git clone https://github.com/056xyz/StableCoin.git
cd StableCoin
forge build

Usage

Start a local node

make anvil

Deploy

This will default to your local node. You need to have it running in another terminal in order for it to deploy.

make deploy

Deploy - Other Network

1. Setup environment variables
2. Get testnet ETH
3. Deploy

make deploy ARGS="--network sepolia"

Scripts

For example, on Sepolia:

1. Get some WETH

cast send 0xdd13E55209Fd76AfE204dBda4007C227904f0a81 "deposit()" --value 0.1ether --rpc-url $SEPOLIA_RPC_URL --private-key $PRIVATE_KEY

2. Approve the WETH

cast send 0xdd13E55209Fd76AfE204dBda4007C227904f0a81 "approve(address,uint256)" 0x091EA0838eBD5b7ddA2F2A641B068d6D59639b98 1000000000000000000 --rpc-url $SEPOLIA_RPC_URL --private-key $PRIVATE_KEY

3. Deposit and Mint DSC

cast send 0x091EA0838eBD5b7ddA2F2A641B068d6D59639b98 "depositCollateralAndMintDsc(address,uint256,uint256)" 0xdd13E55209Fd76AfE204dBda4007C227904f0a81 100000000000000000 10000000000000000 --rpc-url $SEPOLIA_RPC_URL --private-key $PRIVATE_KEY