yarn i, add mainnet to config

Author: luketchang

packages/contracts/hardhat.config.ts

@@ -66,6 +66,9 @@ module.exports = {
       url: `${process.env.GOERLI_RPC_URL}`,
       accounts: [`${process.env.DEPLOYER_KEY ?? DUMMY_KEY}`],
     },
+    homestead: {
+      url: `${process.env.MAINNET_RPC_URL}`,
+    },
   },
 
   etherscan: {

yarn.lock

@@ -6084,7 +6084,7 @@ __metadata:
   dependencies:
     bn.js: ^4.11.8
     ethereumjs-util: ^6.0.0
-  checksum: ae074be0bb012857ab5d3ae644d1163b908a48dd724b7d2567cfde309dc72222d460438f2411936a70dc949dc604ce1ef7118f7273bd525815579143c907e336
+  checksum: 03127d09960e5f8a44167463faf25b2894db2f746376dbb8195b789ed11762f93db9c574eaa7c498c400063508e9dfc1c80de2edf5f0e1406b25c87d860ff2f1
   languageName: node
   linkType: hard