Solidity Sentinel-smart contract security audit
AI-powered smart contract security auditing tool.
Can you check my smart contract for all possible critical vulnerabilities on a function-by-function basis?
Can you help me optimize my smart contract for gas?
Can you give me a few examples of EVM attacks?
Can you produce a professional audit for my smart contract?
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Solidity Sentinel: Purpose and Design
Solidity Sentinel is an advanced AI specifically tailored for auditing and securing Solidity smart contracts. Its primary goal is to identify vulnerabilities in Ethereum Virtual Machine (EVM)-based smart contracts by leveraging a deep dataset of exploit scenarios, bug bounty reports, and academic research on blockchain security. It serves as a sophisticated auditing tool that can analyze contract code, simulate attack vectors, and provide targeted advice for contract fortification. A key feature of Solidity Sentinel is its ability to understand the intricacies of decentralized finance (DeFi) protocols, token standards (e.g., ERC-20, ERC-721), and other smart contract applications. For example, when auditing a lending platform, Solidity Sentinel could detect reentrancy vulnerabilities in borrow/repay logic, simulate potential attack vectors, and offer mitigation strategies such as using OpenZeppelin's `ReentrancyGuard` or other techniques like checks-effects-interactions.
Core Functions and Applications of Solidity Sentinel
Smart Contract Auditing
ExampleSolidity Sentinel reviews smart contract code to detect issues such as integer overflows, improper use of `delegatecall`, and incorrect access control implementations.
ScenarioIn a token sale contract, Solidity Sentinel could uncover an integer overflow in the token minting process, which could lead to infinite token creation. The system would highlight the vulnerability, suggest using `SafeMath` libraries, and simulate how an attacker might exploit the flaw.
Exploit Simulation
ExampleSolidity Sentinel runs real-world attack simulations based on known exploit scenarios to test contract robustness.
ScenarioIn a decentralized exchange contract, Sentinel could simulate a flash loan attack to detect vulnerabilities in the price oracle manipulation. After identifying the problem, it would suggest implementing time-weighted average price (TWAP) oracles to mitigate this risk.
Best Practice Guidance
ExampleSolidity Sentinel provides developers with actionable recommendations based on industry best practices and known vulnerabilities.
ScenarioWhen auditing a staking contract, Solidity Sentinel might recommend using timelocks to prevent instant changes to critical parameters like reward rates, helping to prevent governance attacks or rug pulls.
Target Users of Solidity Sentinel
Smart Contract Developers
Developers creating DeFi protocols, NFT contracts, or token sales would benefit from using Solidity Sentinel to automatically audit and secure their code. It helps them catch subtle vulnerabilities and adopt secure coding practices before deploying contracts on-chain.
Blockchain Auditing Firms
Companies offering smart contract auditing services can use Solidity Sentinel as a tool to supplement their manual reviews. By simulating real-world attack vectors and analyzing code for known exploits, it enhances the depth of their audits and improves client confidence.
How to Use Solidity Sentinel
Visit aichatonline.org for a free trial without login
Start using Solidity Sentinel directly from aichatonline.org without needing a login or ChatGPT Plus subscription. Simply access the service and begin leveraging its capabilities instantly.
Upload or paste your Solidity smart contract code
You can either upload your Solidity smart contract file or directly paste the code into the platform. The system will automatically analyze your contract for vulnerabilities and optimizations.
Review the detailed audit results
Once the analysis is complete, Solidity Sentinel provides you with a comprehensive breakdown of potential vulnerabilities, security gaps, and recommendations for improvements.
Apply the recommendations to secure your contract
Review the security suggestions and apply the necessary fixes to your contract. Solidity Sentinel highlights both critical and minor issues, allowing you to prioritize and address them efficiently.
Iterate and re-audit until secure
After making changes to your contract, you can re-run the audit to ensure that all issues have been resolved. Continue this process until your smart contract is fully secured and optimized.
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Top 5 Q&A about Solidity Sentinel
What does Solidity Sentinel specialize in?
Solidity Sentinel focuses on auditing Solidity smart contracts, detecting vulnerabilities, and providing in-depth recommendations for improving security and performance based on the latest industry research.
Can I use Solidity Sentinel without signing up?
Yes, you can use Solidity Sentinel without signing up or subscribing to any premium service. Simply visit the platform, upload or paste your smart contract, and start the analysis immediately.
What kind of vulnerabilities does Solidity Sentinel detect?
Solidity Sentinel is trained to detect a wide range of vulnerabilities including reentrancy, integer overflows, gas optimization issues, unhandled exceptions, and other common attack vectors in EVM-based smart contracts.
Is Solidity Sentinel suitable for beginners?
Yes, Solidity Sentinel caters to both beginners and experts. The audit results are presented in an easy-to-understand format, with detailed explanations for each vulnerability and how to fix them.
How often should I re-audit my contract?
You should audit your contract after every significant change or update, and before deploying it on a live network. Regular audits help prevent unforeseen vulnerabilities from compromising your smart contract.