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https://github.com/protofire/solhint
Solhint is an open-source project to provide a linting utility for Solidity code.
https://github.com/protofire/solhint
ast code-quality dapp developer-tools ethereum linter security-scanner smart-contracts solhint solidity
Last synced: 3 days ago
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Solhint is an open-source project to provide a linting utility for Solidity code.
- Host: GitHub
- URL: https://github.com/protofire/solhint
- Owner: protofire
- License: mit
- Created: 2017-10-16T11:48:44.000Z (about 7 years ago)
- Default Branch: develop
- Last Pushed: 2024-08-20T19:40:45.000Z (4 months ago)
- Last Synced: 2024-10-29T15:11:37.151Z (about 1 month ago)
- Topics: ast, code-quality, dapp, developer-tools, ethereum, linter, security-scanner, smart-contracts, solhint, solidity
- Language: JavaScript
- Homepage: https://protofire.github.io/solhint/
- Size: 3.08 MB
- Stars: 1,037
- Watchers: 21
- Forks: 160
- Open Issues: 29
-
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- Contributing: docs/contributing.md
- License: LICENSE
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README
By Protofire
[](https://protofire.io/projects/solhint)
[](https://discord.gg/4TYGq3zpjs)
[](https://etherscan.io/address/0xA81705c8C247C413a19A244938ae7f4A0393944e)
[](https://npmjs.org/package/solhint)
[](
https://coveralls.io/github/protofire/solhint?branch=master)
[](https://raw.githubusercontent.com/protofire/solhint/master/LICENSE)
This is an open source project for linting [Solidity](http://solidity.readthedocs.io/en/develop/) code. This project
provides both **Security** and **Style Guide** validations.
[VISIT OUR WEBSITE](https://protofire.io/projects/solhint)
[JOIN OUR DISCORD SERVER](https://discord.gg/4TYGq3zpjs)
## Installation
You can install Solhint using **npm**:
```sh
npm install -g solhint
# verify that it was installed correctly
solhint --version
```
## Usage
First initialize a configuration file, if you don't have one:
```sh
solhint --init
```
This will create a `.solhint.json` file with the default rules enabled. Then run Solhint with one or more [Globs](https://en.wikipedia.org/wiki/Glob_(programming)) as arguments. For example, to lint all files inside `contracts` directory, you can do:
```sh
solhint 'contracts/**/*.sol'
```
To lint a single file:
```sh
solhint contracts/MyToken.sol
```
Run `solhint` without arguments to get more information:
```text
Usage: solhint [options] [...other_files]
Linter for Solidity programming language
Options:
-V, --version output the version number
-f, --formatter [name] report formatter name (stylish, table, tap, unix, json, compact, sarif)
-w, --max-warnings [maxWarningsNumber] number of allowed warnings, works in quiet mode as well
-c, --config [file_name] file to use as your .solhint.json
-q, --quiet report errors only - default: false
--ignore-path [file_name] file to use as your .solhintignore
--fix automatically fix problems and show report
--noPrompt do not suggest to backup files when any `fix` option is selected
--init create configuration file for solhint
--disc do not check for solhint updates
--save save report to file on current folder
-h, --help output usage information
Commands:
stdin [options] linting of source code data provided to STDIN
list-rules display covered rules of current .solhint.json
```
### Notes
- Solhint checks if there are newer versions. The `--disc` option avoids that check.
- `--save` option will create a file named as `YYYYMMDDHHMMSS_solhintReport.txt` on current folder with default or specified format
### Fix
This option currently works on:
- avoid-throw
- avoid-sha3
- no-console
- explicit-types
- private-vars-underscore
- payable-fallback
- quotes
- contract-name-camelcase
- avoid-suicide
## Configuration
You can use a `.solhint.json` file to configure Solhint for the whole project.
To generate a new sample `.solhint.json` file in current folder you can do:
```sh
solhint --init
```
This file has the following format:
### Default
```json
{
"extends": "solhint:default"
}
```
### Note
The `solhint:default` configuration contains only two rules: max-line-length & no-console
### Sample
```json
{
"extends": "solhint:recommended",
"plugins": [],
"rules": {
"avoid-suicide": "error",
"avoid-sha3": "warn"
}
}
```
A full list of all supported rules can be found [here](docs/rules.md).
To ignore files that do not require validation you can use a `.solhintignore` file. It supports rules in
the `.gitignore` format.
```
node_modules/
additional-tests.sol
```
### Extendable rulesets
The default rulesets provided by solhint are the following:
+ solhint:default
+ solhint:recommended
Use one of these as the value for the "extends" property in your configuration file.
### Configure the linter with comments
You can use comments in the source code to configure solhint in a given line or file.
For example, to disable all validations in the line following a comment:
```solidity
// solhint-disable-next-line
uint[] a;
```
You can disable specific rules on a given line. For example:
```solidity
// solhint-disable-next-line not-rely-on-time, not-rely-on-block-hash
uint pseudoRand = uint(keccak256(abi.encodePacked(now, blockhash(block.number))));
```
Disable validation on current line:
```solidity
uint pseudoRand = uint(keccak256(abi.encodePacked(now, blockhash(block.number)))); // solhint-disable-line
```
Disable specific rules on current line:
```solidity
uint pseudoRand = uint(keccak256(abi.encodePacked(now, blockhash(block.number)))); // solhint-disable-line not-rely-on-time, not-rely-on-block-hash
```
You can disable a rule for a group of lines:
```solidity
/* solhint-disable avoid-tx-origin */
function transferTo(address to, uint amount) public {
require(tx.origin == owner);
to.call.value(amount)();
}
/* solhint-enable avoid-tx-origin */
```
Or disable all validations for a group of lines:
```solidity
/* solhint-disable */
function transferTo(address to, uint amount) public {
require(tx.origin == owner);
to.call.value(amount)();
}
/* solhint-enable */
```
## Rules
### Security Rules
[Full list with all supported Security Rules](docs/rules.md#security-rules)
### Style Guide Rules
[Full list with all supported Style Guide Rules](docs/rules.md#style-guide-rules)
### Best Practices Rules
[Full list with all supported Best Practices Rules](docs/rules.md#best-practise-rules)
## Docker
### Solhint has an official Docker Image
Go to docker folder and follow [this](docker/docker.md) instructions.
## Documentation
Related documentation you may find [here](https://protofire.github.io/solhint/).
## IDE Integrations
- **[Sublime Text 3](https://packagecontrol.io/search/solhint)**
- **[Atom](https://atom.io/packages/atom-solidity-linter)**
- **[Vim](https://github.com/sohkai/syntastic-local-solhint)**
- **[JetBrains IDEA, WebStorm, CLion, etc.](https://plugins.jetbrains.com/plugin/10177-solidity-solhint)**
- **[VS Code: Solidity by Juan Blanco](
https://marketplace.visualstudio.com/items?itemName=JuanBlanco.solidity)**
- **[VS Code: Solidity Language Support by CodeChain.io](
https://marketplace.visualstudio.com/items?itemName=kodebox.solidity-language-server)**
## Table of Contents
* [Roadmap](ROADMAP.md): The core project's roadmap - what the core team is looking to work on in the near future.
* [Contributing](docs/contributing.md): The core Solhint team :heart: contributions. This describes how you can contribute to the Solhint Project.
* [Shareable configs](docs/shareable-configs.md): How to create and share your own configurations.
* [Writing plugins](docs/writing-plugins.md): How to extend Solhint with your own rules.
## Plugins
- [solhint-plugin-prettier](https://github.com/fvictorio/solhint-plugin-prettier): Integrate Solhint
with the [Solidity plugin for Prettier](https://github.com/prettier-solidity/prettier-plugin-solidity).
## Who uses Solhint?
[
](https://github.com/OpenZeppelin)
[
](https://github.com/poanetwork) [
](https://github.com/0xProject) [
](https://github.com/gnosis)
### Projects
- OpenZeppelin:
- [openzeppelin-contracts](https://github.com/OpenZeppelin/openzeppelin-contracts)
- POA Network - Public EVM Sidechain:
- [Proof of Physical Address (PoPA)](https://github.com/poanetwork/poa-popa)
- [Proof of Bank Account (PoBA)](https://github.com/poanetwork/poa-poba)
- 0x-Project
- [0x-Monorepo](https://github.com/0xProject/0x-monorepo/tree/development/contracts)
- Gnosis:
- [Gnosis Prediction Market Contracts](https://github.com/gnosis/pm-contracts)
- [The DutchX decentralized trading protocol](https://github.com/gnosis/dex-contracts)
## Acknowledgements
The Solidity parser used is [`@solidity-parser/parser`](https://github.com/solidity-parser/parser).
## Licence
MIT
## Back us
Solhint is free to use and open-sourced. If you value our effort and feel like helping us to keep pushing this tool forward, you can send us a small donation. We'll highly appreciate it :)
[](https://etherscan.io/address/0xA81705c8C247C413a19A244938ae7f4A0393944e)
## Related projects
- [eth-cli](https://github.com/protofire/eth-cli): CLI swiss army knife for Ethereum developers.