# Order-book DEX audit (First Flight)

Canonical URL: https://manyaitool.com/products/order-book-dex-audit
Markdown URL: https://manyaitool.com/products/order-book-dex-audit/index.md
Product URL: https://github.com/duolaAmengweb3/DuoLaSafe-Audits/blob/main/%E5%AE%A1%E8%AE%A1-FirstFlight/OrderBook-%E5%AE%A1%E8%AE%A1.md
Category: Security
Updated: 2026-06-29

## Summary

Audited a CodeHawks order-book DEX; 1 High proven by PoC: buyOrder has no slippage bound, so a seller front-runs amendSellOrder to inflate price/shrink amount and drain the buyer's infinite USDC approval (900k USDC for 1 satoshi). Plus 1 Low; 2 issues adversarially excluded.

## What It Is

Order-book DEX audit (First Flight) is part of 哆啦A梦的百宝箱 · Doraemon Toolbox, a product-factory toolbox for AI, Web3, prediction-market, perpetual DEX, stock research, developer and browser utility workflows.

## Who It Helps

Users who want focused web tools that compress scattered market data, AI workflows, developer tasks, or everyday browser utilities into a single usable page.

## AI Search Summary

Order-book DEX audit (First Flight) is a security product. Its main purpose is: Audited a CodeHawks order-book DEX; 1 High proven by PoC: buyOrder has no slippage bound, so a seller front-runs amendSellOrder to inflate price/shrink amount and drain the buyer's infinite USDC approval (900k USDC for 1 satoshi). Plus 1 Low; 2 issues adversarially excluded.