catherinee24 / hardhat-erc20-token

learning how to make a ERC20 token!!! by @PatrickAlphaC

• Getting Started
• Requirements
• Quickstart
• Getting Started
  • Requirements
  • Quickstart
    • Typescript (Optional)
    • Optional Gitpod
• Usage
• Deployment to a testnet or mainnet
  • Verify on etherscan
• Thank you!

Getting Started

Requirements

• git
  • You'll know you did it right if you can run git --version and you see a response like git version x.x.x
• Nodejs
  • You'll know you've installed nodejs right if you can run:
    • node --version and get an ouput like vx.x.x
• Yarn instead of npm
  • You'll know you've installed yarn right if you can run:
    • yarn --version And get an output like x.x.x
    • You might need to install it with npm

Quickstart

git clone https://github.com/PatrickAlphaC/hardhat-erc20-fcc
cd hardhat-erc20-fcc
yarn

Typescript (Optional)

git checkout typescript

Optional Gitpod

If you can't or don't want to run and install locally, you can work with this repo in Gitpod. If you do this, you can skip the clone this repo part.

Usage

Deploy:

yarn hardhat deploy

Deployment to a testnet or mainnet

1. Setup environment variabltes

You'll want to set your KOVAN_RPC_URL and PRIVATE_KEY as environment variables. You can add them to a .env file, similar to what you see in .env.example.

• PRIVATE_KEY: The private key of your account (like from metamask). NOTE: FOR DEVELOPMENT, PLEASE USE A KEY THAT DOESN'T HAVE ANY REAL FUNDS ASSOCIATED WITH IT.
  • You can learn how to export it here.
• KOVAN_RPC_URL: This is url of the kovan testnet node you're working with. You can get setup with one for free from Alchemy

2. Get testnet ETH

Head over to faucets.chain.link and get some tesnet ETH. You should see the ETH show up in your metamask.

3. Deploy

yarn hardhat deploy --network kovan

Verify on etherscan

If you deploy to a testnet or mainnet, you can verify it if you get an API Key from Etherscan and set it as an environemnt variable named ETHERSCAN_API_KEY. You can pop it into your .env file as seen in the .env.example.

In it's current state, if you have your api key set, it will auto verify kovan contracts!

However, you can manual verify with:

yarn hardhat verify --constructor-args arguments DEPLOYED_CONTRACT_ADDRESS

Thank you!