EchoSpr / defi-stablecoin-f23

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

• calculate health factor function
• set health factor if debt is 0
• Added a bunch of view functions

1. What are our invariants/properties?