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Method 2: Hardhat

  1. Setup
# install dep
$ yarn

# setup env
$ cp .env.template .env
  1. Deploy contract
 $ npx hardhat deploy --tags HelloWorld --network sepolia
 > Generating typings for: 17 artifacts in dir: typechain-types for target: ethers-v6
 Successfully generated 42 typings!
 Compiled 18 Solidity files successfully
 deploying "HelloWorld" (tx: 0xe34c62491fa8738202f38abda2274eea24c2a4875bed67d240be8a8a27d192de)...: deployed at 0x0Ba095a975f1544061E1c9fc9a15D0aADa6D533C with 430268 gas
 Deployed HelloWorld: 0x0Ba095a975f1544061E1c9fc9a15D0aADa6D533C, Deployer: 0xb66c6D8d96fAa683A4eb2Cb4b854f7bB2295e01E, network: sepolia
  1. Verify contract
$ npx hardhat --network sepolia etherscan-verify
> verifying HelloWorld (0x0Ba095a975f1544061E1c9fc9a15D0aADa6D533C) ...
waiting for result...
=> contract HelloWorld is now verified
  1. Calling setText
$ npx hardhat setText --text <NEW_TEXT>  --network sepolia
  1. Transferring ownership
$ npx hardhat transferOwnership --address <NEW_OWNER> --network sepolia