Investing in a smart contract audit is a crucial step towards ensuring the security of your blockchain system. Apart from choosing a top-tier auditor, there are several measures you can take to maximize the value of your investment. This guide outlines the steps to prepare for an audit, ensuring optimal outcomes.
1. Code Freeze
Before we commence the audit, it’s essential that you’ve completed the development of your smart contracts. Any changes during the audit process can lead to wasted time and potential complications. Therefore, halting the development of your contract code and providing the specific commit hash that the audit should target ensures we’re auditing the correct version of your smart contracts.
2. Comprehensive Documentation
The more efficiently we comprehend your system, the quicker we can delve into your code and dedicate more time to identifying potential issues. Providing thorough documentation is the most effective way to enhance the quality of your audit.
Effective documentation begins with a straightforward description of your project’s purpose and the system you’re building. This should be done for the overall system and each unique contract within it. Good documentation also includes a detailed specification of your system’s intended functionality. For each contract, it should outline the essential properties or behaviors to be maintained and describe the actions and states that should be prohibited.
3. Code Cleanliness
Well-structured and neatly formatted code simplifies the review process, allowing us to focus on identifying potential issues. Running a linter on your code and addressing any compiler warnings can significantly improve the readability of your code. This includes removing any unused code and comments that indicate unfinished work, such as TODO or FIXME comments.
4. Thorough Testing
Comprehensive testing is essential! Aim for a test suite with 100% code coverage. Ensure your tests cover not only the ‘happy path’ but also verify that undesirable actions are properly protected against. Your README should provide clear instructions for running these tests, and all testing dependencies should either be packaged with your code or listed, including their versions.
5. Automated Analysis with AI-Based Fuzzing
The Ethereum ecosystem offers numerous security analysis tools to identify common issues. At Aria, we leverage AI-based fuzzing techniques to enhance the effectiveness of these tools, allowing us to focus on more complex bugs. Use automated analysis tools, such as MythX, to identify common issues. Don’t hesitate to use other tools that can enhance the security of your smart contracts.
6. Audit Checklist
We’ve summarized these steps into a checklist that you can use for your project. This ensures a systematic approach to preparing for your smart contract audit.
- System Documentation: Provide a clear, plain English description of the system you’re building and the reasons behind it. This should include the actions and states that should and should not be possible.
- Contract-Specific Documentation: For each unique contract within the system, provide a similar plain English description, outlining its purpose and functionality.
- Code Cleanliness: Ensure your code is clean and well-structured. This includes removing any unused code and comments that indicate unfinished work.
- Linter Application: Run a linter, such as EthLint, on your code to identify and fix any potential issues.
- Compiler Warnings: Address and fix any warnings that the compiler outputs.
- Comprehensive Testing: Develop a robust testing suite. Your README should provide clear instructions for running these tests.
- Testing Dependencies: Ensure that all testing dependencies are either packaged with your code or listed, including their versions.
- Automated Analysis: Use automated analysis tools, such as MythX, to identify common issues. Don’t hesitate to use other tools that can enhance the security of your smart contracts.
- Code Freeze: Halt the development of your contract code. This ensures that the code we audit is the final version.
- Commit Hash: Provide the specific commit hash that the audit should target. This ensures we’re auditing the correct version of your smart contracts.
Proper preparation for an audit can significantly enhance the value you derive from the process. If you’re considering an audit for your smart contracts or have questions about smart contract security, don’t hesitate to reach out to us at Aria. We’re here to provide training, ongoing advice, and smart contract auditing services.
Remember, the security of your smart contracts is paramount in the world of Web 3.0. By following these steps, you can ensure a smooth audit process and secure your blockchain system effectively.