message: mainnet - testnet
diff: @@ -20,9 +20,9 @@ const providerOptions = {
  }
  const web3Modal = new Web3Modal({
  - network: "mainnet", // optional
  - cacheProvider: true, // optional
  - providerOptions // required
  + network: (process.env.MAINNET) ? 'mainnet' : 'rinkeby',
  + cacheProvider: true,
  + providerOptions
  })
  const metamaskProvider = (window.ethereum) || false
  