🛡️ Solidity Vulnerabilities and Prevention Practices:

This repository is your guide to identifying and mitigating the most common vulnerabilities in Solidity smart contracts.

🚨 Here are the vulnerabilities covered in this repository:

• Reentrancy Attack
• Incorrect Calculation 🔢
• Weak Access Control 🔒
• Overflow and Underflow ⚖️
• tx.origin Authentication Vulnerability
• Insecure Randomness 🎲
• Downcasting Error 📉

Getting Started

To start using this repository, follow these steps:

1. Clone this repository or download the ZIP file.
2. Once downloaded, run npm install to install all the necessary packages.

Setting up Testnet

To get your own Testnet head over to BuildBear:

1. Create a Testnet on BuildBear.
2. Copy the RPC from the Dashboard and add to the hardhat.config.js file.

Contracts Deployment and Vulnerabilities Proof of Concept (POC)

You can find the contracts deployment and vulnerabilities Proof of Concept scripts in the scripts folder.

• To run the scripts, use the following command: npx hardhat run scripts/fileName
• For example: npx hardhat run scripts/overflowandUnderflow.js

🔭 Learning Resources

• Most Common Vulnerabilities In Solidity: In-Depth Part 1
• Most Common Vulnerabilities In Solidity: In-Depth Part 2
• Must Have Smart Contract Auditing Tools for Auditors and Developers
• Learn How to Perform a Sandwich Attack
• Integer Downcasting Vulnerability: Demonstration and Effective Fix
• Recreating Kubz NFT Hack and understanding what went wrong
• Re-constructing the GDS Hack || Things that you should actually know to code safe protocols
• Euler Finance’s 196 Million Flash Loan Exploit | Learn how to re-do the hack

💬 Support Chat

Join the telegram support chat 💬