tommed/ether-clhelloworld

Ethereum smart contract "hello world" code.

ether-clhelloworld

"Hello, World!" smart contract for Ethereum.

Examples

• CLHelloWorld.sol - the most basic smart contract with a single state variable
• NFT.sol - the most basic NFT from this opensea tutorial
• NFTMeta.sol - basic NFT with JSON meta-data from this opensea tutorial

Developer Steps to create this project

• npm init --yes
• yarn add -D hardhat
• npx hardhat (choose empty project and create contracts and scripts folders)
• yarn add @nomiclabs/hardhat-ethers for deploy and interact scripts
• yarn add -D @nomiclabs/hardhat-etherscan for etherscan integration

Compile & Deploy

• yarn compile
• yarn deploy
• update .env with the returned CONTRACT_ADDRESS to point to this contract

Verify on etherscan

npx hardhat verify $CONTRACT_ADDRESS ctor_args