# PuppyRaffle audit (First Flight)

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

## Summary

Audited the classic CodeHawks PuppyRaffle; 2 Criticals + 3 Highs all PoC-proven: refund() reentrancy drains the contract (1 ETH in, 5 ETH out), predictable RNG, a uint64 fee overflow locking 20 ETH, a force-send DoS, and an O(n²) gas DoS on entry.

## What It Is

PuppyRaffle 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

PuppyRaffle audit (First Flight) is a security product. Its main purpose is: Audited the classic CodeHawks PuppyRaffle; 2 Criticals + 3 Highs all PoC-proven: refund() reentrancy drains the contract (1 ETH in, 5 ETH out), predictable RNG, a uint64 fee overflow locking 20 ETH, a force-send DoS, and an O(n²) gas DoS on entry.