Solidity starter combining foundry and hardhat because both are great and I can't live without either...

Related tags

Learning resource foundry-hardhat-template
Overview

Combination Pizza Hut & Taco Bell

Foundry && HardHat starter template.

Motivation

I like them both. With this set-up we get:

  • Unit tests written in solidity
  • Foundry's cast
  • Integration testing with Hardhat
  • Hardhat test coverage
  • Hardhat deploy & verify
  • Typescript

Foundry

Foundry is a blazing fast, portable and modular toolkit for Ethereum application development written in Rust.

Foundry consists of:

  • Forge: Ethereum testing framework (like Truffle, Hardhat and Dapptools).
  • Cast: Swiss army knife for interacting with EVM smart contracts, sending transactions and getting chain data.

Need help getting started with Foundry? Read the 📖 Foundry Book (WIP)!

Hardhat

Hardhat is an Ethereum development environment for professionals. It facilitates performing frequent tasks, such as running tests, automatically checking code for mistakes or interacting with a smart contract.

On Hardhat's website you will find:

Directory Structure

integration
|- mover.test.ts - "Hardhat integration tests"
lib
|- ds-test - "Test dependency"
|- forge-std - "Test dependency"
|- solmate - "Test dependency"
scripts
`- deploy.ts - "hardhat deploy script"
src
|- test
|  |- mocks
|  |  `- MockNFT.sol - "Mock NFT for testing"
|  `- Mover.t.sol - "Unit testi in solidity"
`- Mover.sol - "Solidity contract"
.env.example - "Expamle dot env"
.gitignore - "Ignore workfiles"
.gitmodules -  "Dependecy modules"
.solcover.js - "Configure coverage"
.solhint.json - "Configure solidity lint"
foundry.toml - "Configure foundry"
hardhat.config.ts - "Configure hardhat"
package.json - "Node dependencies"
README.md - "This file"
remappings.txt - "Forge dependcy mappings"
slither.config.json - "Configure slither"

Installation

Foundry

First run the command below to get foundryup, the Foundry toolchain installer:

curl -L https://foundry.paradigm.xyz | bash

If you do not want to use the redirect, feel free to manually download the foundryup installation script from here.

Then, in a new terminal session or after reloading your PATH, run it to get the latest forge and cast binaries:

foundryup

Advanced ways to use foundryup, and other documentation, can be found in the foundryup package. Happy forging!

Hardhat

npm install or yarn

NPM Commands

Scripts available via `npm run-script`:
  compile
    npx hardhat compile
  coverage
    npx hardhat coverage --solcoverjs .solcover.js
  deploy
    npx hardhat run scripts/deploy.ts
  integration
    npx hardhat test
  verify
    npx hardhat verify
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Comments
  • Forge dependency / library install instructions

    Forge dependency / library install instructions

    Hello @gaslimitreached, thanks for putting this repository together!

    For example, the basic usage in this tutorial does: forge install OpenZeppelin/openzeppelin-contracts

    Under normal conditions this will add it to ./lib. For some reason when trying it with this template, I get:

    forge install OpenZeppelin/openzeppelin-contracts
Installing openzeppelin-contracts in "<..>/foundry-hardhat-template/lib/openzeppelin-contracts", (url: https://github.com/OpenZeppelin/openzeppelin-contracts, tag: None)
Error: 
   0: A git directory for 'lib/openzeppelin-contracts' is found locally with remote(s):
        origin  https://github.com/OpenZeppelin/openzeppelin-contracts
      If you want to reuse this local git directory instead of cloning again from
        https://github.com/OpenZeppelin/openzeppelin-contracts
      use the '--force' option. If the local git directory is not the correct repo
      or you are unsure what this means choose another name with the '--name' option.

    Is there some special instructions for adding dependencies / libs with Foundry such that we can use them in forge test for unit/fuzzing tests?

    Also, curious on when we should be duplicating the dependencies with yarn/npm. For example, if our contracts have a dependancy on OpenZeppelin contracts, should we do both yarn add @openzeppelin/contracts and forge install OpenZeppelin/openzeppelin-contracts?

    Thanks again for your help, this is the best forge + hardhat I've found.

    opened by 0xKudo 6
Owner
Cache Monet
🧱 ⛓ 🤓
Cache Monet
GitHub
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