Followed this blog. https://blog.chain.link/upgradable-smart-contracts/ Verify: npx hardhat verify --network goerli 0x649bdc4495b039d589af36eefa6f1a3ddddbb658
Test on blockchain
yarn hardhat console --network goerli const PriceFeedTracker = await ethers.getContractFactory("PriceFeedTracker"); const priceFeedTracker = await PriceFeedTracker.attach('<<<< YOUR CONTRACT ADDRESS >>>>') (await priceFeedTracker.getAdmin())