Slither 一个Solidity静态分析框架，提供了一个API来轻松操作Solidity代码

Slither 一个Solidity静态分析框架，提供了一个API来轻松操作Solidity代码

Slither, the Solidity source analyzer

Slither is a Solidity static analysis framework written in Python 3. It runs a suite of vulnerability detectors, prints visual information about contract details, and provides an API to easily write custom analyses. Slither enables developers to find vulnerabilities, enhance their code comprehension, and quickly prototype custom analyses.

FeaturesBugs and Optimizations DetectionPrintersToolsHow to InstallGetting HelpPublications

Features

Detects vulnerable Solidity code with low false positivesIdentifies where the error condition occurs in the source codeEasily integrates into continuous integration and Truffle buildsBuilt-in 'printers' quickly report crucial contract informationDetector API to write custom analyses in PythonAbility to analyze contracts written with Solidity >= 0.4Intermediate representation (SlithIR) enables simple, high-precision analysesCorrectly parses 99.9% of all public Solidity codeAverage execution time of less than 1 second per contract

Bugs and Optimizations Detection

Run Slither on a Truffle/Embark/Dapp/Etherlime application:

slither .

Run Slither on a single file:

$ slither tests/uninitialized.sol

For additional configuration, see the usage documentation.

Use solc-select if your contracts require older versions of solc.

Detectors

See the Detectors Documentation for more information. By default, all the detectors are run.

Check out Crytic to get access to additional Slither's detectors and GitHub integration.

Printers

Quick Review Printers

human-summary: Print a human-readable summary of the contractsinheritance-graph: Export the inheritance graph of each contract to a dot filecontract-summary: Print a summary of the contracts

In-Depth Review Printers

call-graph: Export the call-graph of the contracts to a dot filecfg: Export the CFG of each functionsfunction-summary: Print a summary of the functionsvars-and-auth: Print the state variables written and the authorization of the functions

To run a printer, use --print and a comma-separated list of printers.

See the Printer documentation for the complete lists.

Tools

slither-check-upgradeability: Review delegatecall-based upgradeabilityslither-prop: Automatic unit tests and properties generationslither-flat: Flatten a codebaseslither-erc: Check the ERC's conformanceslither-format: Automatic patches generation

See the Tool documentation for additional tools.

Contact us to get help on building custom tools.

How to install

Slither requires Python 3.6+ and solc, the Solidity compiler.

Using Pip

$ pip3 install slither-analyzer

Using Git

$ git clone https://github.com/crytic/slither.git && cd slither$ python3 setup.py install

We recommend using an Python virtual environment, as detailed in the Developer Installation Instructions, if you prefer to install Slither via git.

Using Docker

Use the eth-security-toolbox docker image. It includes all of our security tools and every major version of Solidity in a single image. /home/share will be mounted to /share in the container.

docker pull trailofbits/eth-security-toolbox

To share a directory in the container:

docker run -it -v /home/share:/share trailofbits/eth-security-toolbox

Getting Help

Feel free to stop by our Slack channel (#ethereum) for help using or extending Slither.

The Printer documentation describes the information Slither is capable of visualizing for each contract. The Detector documentation describes how to write a new vulnerability analyses. The API documentation describes the methods and objects available for custom analyses. The SlithIR documentation describes the SlithIR intermediate representation.

License

Slither is licensed and distributed under the AGPLv3 license. Contact us if you're looking for an exception to the terms.

Publications

Trail of Bits publication

Slither: A Static Analysis Framework For Smart Contracts, Josselin Feist, Gustavo Grieco, Alex Groce - WETSEB '19

External publications

ReJection: A AST-Based Reentrancy Vulnerability Detection Method, Rui Ma, Zefeng Jian, Guangyuan Chen, Ke Ma, Yujia Chen - CTCIS 19MPro: Combining Static and Symbolic Analysis forScalable Testing of Smart Contract, William Zhang, Sebastian Banescu, Leodardo Pasos, Steven Stewart, Vijay Ganesh - ISSRE 2019ETHPLOIT: From Fuzzing to Efficient Exploit Generation against Smart Contracts, Qingzhao Zhang, Yizhuo Wang, Juanru Li, Siqi Ma - SANER 20Verification of Ethereum Smart Contracts: A Model Checking Approach, Tam Bang, Hoang H Nguyen, Dung Nguyen, Toan Trieu, Tho Quan - IJMLC 20

If you are using Slither on an academic work, consider applying to the Crytic $10k Research Prize.

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