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# Foundry Template [![Open in Gitpod][gitpod-badge]][gitpod] [![Github Actions][gha-badge]][gha] [![Foundry][foundry-badge]][foundry] [![License: MIT][license-badge]][license]
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2022-07-16 11:36:29 +00:00
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2022-10-04 10:21:35 +00:00
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[gitpod]: https://gitpod.io/#https://github.com/paulrberg/foundry-template
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[gitpod-badge]: https://img.shields.io/badge/Gitpod-Open%20in%20Gitpod-FFB45B?logo=gitpod
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[gha]: https://github.com/paulrberg/foundry-template/actions
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[gha-badge]: https://github.com/paulrberg/foundry-template/actions/workflows/ci.yml/badge.svg
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[foundry]: https://getfoundry.sh/
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[foundry-badge]: https://img.shields.io/badge/Built%20with-Foundry-FFDB1C.svg
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[license]: https://opensource.org/licenses/MIT
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[license-badge]: https://img.shields.io/badge/License-MIT-blue.svg
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A Foundry-based template for developing Solidity smart contracts, with sensible defaults.
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## What's Inside
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- [Forge](https://github.com/foundry-rs/foundry/blob/master/forge): compile, test, fuzz, debug and deploy smart
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contracts
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- [PRBTest](https://github.com/paulrberg/prb-test): modern collection of testing assertions and logging utilities
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- [Forge Std](https://github.com/foundry-rs/forge-std): collection of helpful contracts and cheatcodes for testing
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- [Solhint](https://github.com/protofire/solhint): code linter
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- [Prettier Plugin Solidity](https://github.com/prettier-solidity/prettier-plugin-solidity): code formatter
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## Getting Started
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Click the [`Use this template`](https://github.com/paulrberg/foundry-template/generate) button at the top of the page to
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create a new repository with this repo as the initial state.
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Or, if you prefer to install the template manually:
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```sh
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forge init my-project --template https://github.com/paulrberg/foundry-template
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cd my-project
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yarn install # install solhint and prettier and other goodies
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```
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2022-10-16 09:55:21 +00:00
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If this is your first time with Foundry, check out the
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[installation](https://github.com/foundry-rs/foundry#installation) instructions.
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## Features
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This template builds upon the frameworks and libraries mentioned above, so for details about their specific features,
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please consult their respective documentations.
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For example, for Foundry, you can refer to the [Foundry Book](https://book.getfoundry.sh/). You might be in particular
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interested in reading the [Writing Tests](https://book.getfoundry.sh/forge/writing-tests.html) guide.
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### Sensible Defaults
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This template comes with sensible default configurations in the following files:
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```text
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├── .commitlintrc.yml
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├── .editorconfig
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├── .gitignore
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├── .prettierignore
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├── .prettierrc.yml
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├── .solhintignore
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├── .solhint.json
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├── .yarnrc.yml
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├── foundry.toml
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└── remappings.txt
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```
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2023-01-03 19:24:39 +00:00
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### VSCode Integration
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This template is IDE agnostic, but for the best user experience, you may want to use it in VSCode with Juan Blanco's
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[Solidity extension](https://github.com/juanfranblanco/vscode-solidity).
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For guidance on how to integrate a Foundry project in VSCode, please refer to this
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[guide](https://book.getfoundry.sh/config/vscode).
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### GitHub Actions
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This template comes with GitHub Actions pre-configured. Your contracts will be linted and tested on every push and pull
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request made to the `main` branch.
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You can edit the CI script in [.github/workflows/ci.yml](./.github/workflows/ci.yml).
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### Conventional Commits
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This template enforces the [Conventional Commits](https://www.conventionalcommits.org/) standard for git commit
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messages. This is a lightweight convention that creates an explicit commit history, which makes it easier to write
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automated tools on top of.
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### Git Hooks
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This template uses [Husky](https://github.com/typicode/husky) to run automated checks on commit messages, and
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[Lint Staged](https://github.com/okonet/lint-staged) to automatically format the code with Prettier when making a git
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commit.
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## Writing Tests
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To write a new test contract, you start by importing [PRBTest](https://github.com/paulrberg/prb-test) and inherit from
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it in your test contract. PRBTest comes with a pre-instantiated [cheatcodes](https://book.getfoundry.sh/cheatcodes/)
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environment accessible via the `vm` property. You can also use
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[console.log](https://book.getfoundry.sh/faq?highlight=console.log#how-do-i-use-consolelog), whose logs you can see in
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the terminal output by adding the `-vvvv` flag.
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This template comes with an example test contract [Foo.t.sol](./test/Foo.t.sol).
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## Usage
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Here's a list of the most frequently needed commands.
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### Build
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Build the contracts:
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```sh
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$ forge build
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```
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### Clean
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Delete the build artifacts and cache directories:
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```sh
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$ forge clean
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```
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### Compile
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Compile the contracts:
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```sh
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$ forge build
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```
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2022-12-20 17:42:12 +00:00
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### Coverage
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Get a test coverage report:
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```sh
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$ forge coverage
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```
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### Deploy
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Deploy to Anvil:
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```sh
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$ forge script script/Foo.s.sol:FooScript --fork-url http://localhost:8545 \
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--broadcast --private-key $PRIVATE_KEY
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```
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For instructions on how to deploy to a testnet or mainnet, check out the
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[Solidity Scripting tutorial](https://book.getfoundry.sh/tutorials/solidity-scripting.html).
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### Format
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Format the contracts:
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```sh
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$ forge fmt
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```
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### Gas Usage
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Get a gas report:
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```sh
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$ forge test --gas-report
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```
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### Lint
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Lint the contracts:
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```sh
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$ yarn lint
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```
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### Test
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Run the tests:
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```sh
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$ forge test
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```
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## Notes
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1. Foundry piggybacks off [git submodules](https://git-scm.com/book/en/v2/Git-Tools-Submodules) to manage dependencies.
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There's a [guide](https://book.getfoundry.sh/projects/dependencies.html) about how to work with dependencies in the
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book.
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2. You don't have to create a `.env` file, but filling in the environment variables may be useful when debugging and
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testing against a mainnet fork.
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## Related Efforts
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- [abigger87/femplate](https://github.com/abigger87/femplate)
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- [cleanunicorn/ethereum-smartcontract-template](https://github.com/cleanunicorn/ethereum-smartcontract-template)
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- [foundry-rs/forge-template](https://github.com/foundry-rs/forge-template)
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- [FrankieIsLost/forge-template](https://github.com/FrankieIsLost/forge-template)
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## License
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[MIT](./LICENSE.md) © Paul Razvan Berg
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