Building Apps on Ethereum
summary
Prototype named FrontRunFun proves out a quick loop: create with MPX create, scaffold a Foundry + Next.js app using scaffold-eth2, deploy contract to Optimism and frontend to Vercel. The contract implements a simple commit-reveal on Optimism funded with about $40–50; a live reveal transaction returns funds and in this demo it does not get front‑run. Code is intentionally unsafe for testing and requires more checks before production.
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chapters (17)
- 0:00Workshop introduction
- 0:45Super Hack deadline
- 1:05Scaffold ETH 2 and MPX Create
- 2:29Development environment setup
- 3:52Scaffolded project structure
- 4:53Commit-reveal scheme basics
- 7:43Commit and reveal functions
- 9:32Local testing mechanics
- 11:36Contract deployment to Optimism
- 14:48Frontend switch to Optimism
- 16:32Frontend deployment to Vercel
- 18:21Front-running tests
- 21:11Minimal frontend UI
- 24:20Frontend-contract connection
- 27:11App public deployment
- 28:58Build process summary
- 31:44Answering audience questions and closing
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