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Secureum A-MAZE-X Stanford

A Smart Contract Security Capture the Flag Workshop

A-MAZE-X-Stanford-LOGO hosted by the Stanford University as part of Defi Security 101
built by eugenioclrc and luksgrin
special thanks to patrickd, StErMi, tinchoabbate and Rajeev for reviewing, commenting and helping during the elaboration and design of this CTF Workshop

Instructions 🕹️

This Workshop consists in a series of challenges, of increasing difficulty, targetting different concepts and common vulnerabilities found in DeFi. The CTF is designed in different flavors for all kinds of users.

This is the A-MAZE-X Hardhat flavor

Best suited for users who are familiar with Solidity and Javascript. The following setup tutorial assumes you have a recent node.js and npm installation.

Clone this repository

Run the command below to clone this repository into your local machine

git clone [email protected]:eugenioclrc/DeFi-Security-Summit-Stanford.git
cd DeFi-Security-Summit-Stanford
git checkout hardhat

Install all the project's dependencies

Run the commands below to install all the dependencies of the A-MAZE-X Hardhat flavor

npm install

Solving a challenge

Challenge contracts are located under the hardhat_flavor/contracts/ directory. Do not modify them, as it may lead to unexpected behaviors within the challenges.

To solve a challenge, you must do the following:

  • Create an exploit contract(s) within the appropriate hardhat_flavor/contracts/exploits/ExploitX.sol file.
  • Complete the necessary JavaScript code (in the signalized area) within the appropriate hardhat_flavor/test/solveChallengeX.js file.

Note that this procedure has to be done for each challenge.

Then, to check if the challenge has been solved, execute the following command

npx hardhat test test/solveChallengeX.js

If the solution criteria have been reached, it shall display the following message

  Solve Challenge X
    ✔ Check if required condition has been met (XXXms)
  1 passing (XXXms)

Alternatively, to check if all challenges have been solved, execute the following command:

npx hardhat test

which will return the test results for all challenges in order.

Important note

This set of challenges aren't set for competitive purposes. Their main objective is to showcase scenarios involving DeFi, Solidity concepts and common vulnerabilities.

Focus on learning and having fun! 😊

🔗 Access the repository's main README file containing the challenges' descriptions.

Solution

🔗 Access this flavor's solution implementation.