Ethernaut CTF - Dex (Level 22)

Get the free 30-day AI Mastery series 💌: https://insights.gradientlabs.co/ Work with me 💪: https://offerings.gradientlabs.co/ SOLVED - Check out SuperJackdrummer video - https://www.youtube.com/watch?v=5ZLgOUCmgb8 Next up! Level 22 - Dex In this CTF series, we’re going to learn more about the practical side of smart contract auditing and security. If you’re interested in more/similar content, checkout my channel or website below. My digital dumping ground - dylandavis.net Additional Resources Ethernaut CTF - https://ethernaut.openzeppelin.com/ Dex Wiki - https://en.wikipedia.org/wiki/Decentralized_exchange I’m not alone in my failure - https://stackoverflow.com/questions/71986811/ethernaut-challenge-lv22-dex-allowance-approval-problem Challenge creation/suggestion - https://forum.openzeppelin.com/t/dex-pricing-level-in-ethernaut/6215 Challenge creator and great YouTuber - https://www.youtube.com/c/PatrickCollins ThisPost solution (old) - https://medium.com/@this_post/ethernaut-22-dex-writeups-55d4bfa8a7fa ThisPost solution (current) - https://medium.com/@this_post/ethernaut-22-dex-modified-version-writeups-4330c33a0743 Swap formula - https://s3v3ru5.github.io/notes/ethernaut-ctf-writeups-2#dex STYJ solution - https://github.com/STYJ/Ethernaut-Solutions#22-dex Naveen Sahu solution (best) - https://dev.to/nvn/ethernaut-hacks-level-22-dex-1e18 Timeline 00:00 - Intro to challenge 01:01 - What is a Dex? 04:46 - Shout out to creator 06:09 - Solution Resources 07:58 - Code review (target) 16:30 - Solution review 21:38 - Failing 23:30 - Outro