/foundry-erc20-f24

Primary LanguageSolidity

Foundry ERC20

Talk about ERC20 contract

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
  • foundry
    • You'll know you did it right if you can run forge --version and you see a response like forge 0.2.0 (816e00b 2023-03-16T00:05:26.396218Z)

Start

  • run: 
    mkdir foundry-erc20-f24
cd foundry-erc20-f24
code .
forge init

What is an ERC? What is an EIP?

  • EIP: Ethereum Improvement Proposal
  • ERC: Ethereum Request for Comments
  • BEP: Binance Evolution Proposal
  • PEP: Python Enhancement Proposal
  • go to https://eips.ethereum.org/EIPS/eip-20
  • go to https://ethereum.org/en/developers/docs/standards/tokens/erc-20/

What is an ERC20?

  • ERC-20
  • ERC-677
  • ERC-777

Manually Creating an ERC20 Token

  • create ManualToken.sol

ERC20 Token - Openzeppelin

  • run 
    forge install OpenZeppelin/openzeppelin-contracts --no-commit
  • add remappings into foundry.toml
  • create OurToken.sol
  • run forge build

Deploy Script

  • create DeployOurToken.s.sol
  • create Makefile
  • run: 
    forge install
make anvil
make deploy

AI Tests

  • create OurTokenTest.t.sol

  • run:

    forge test --match-test testBobBalance

  • go to https://etherscan.io/tokenapprovalchecker, we can see the amount eth transferFrom can use

  • run:

    forge test --match-test testAllowancesWorks
forge test
forge coverage