Process
- Find the ContractAddress. this will show up after you dotruffle migrate
- Find the ContractABIwhich is a ABI for the Smart Contract
- Everytime you connect your Metamask wallet to the browser, an ethereumvariable is injected into your browser window. This allows us to tell if a browser is web3 compatible
- Check if ethereumis null
- If ethereumis not null, get thechainIDanduserID