Diagnosing Missing @nonreentrant in Vyper Smart Contracts
Learn how to spot missing or misapplied @nonreentrant decorators in Vyper contracts, diagnose the root cause, apply fixes, and know when to seek an audit.
Loading…
ReadMeFeed / Community knowledge
#reentrancy
Real questions. Useful conversations. Find the people who know your stack.
vyperVyper's @nonreentrant Decorator: Built-In Reentrancy Protection That Trades Gas for Safety
Vyper's @nonreentrant decorator gives you a storage-backed mutex with one line of code. This post shows a worked withdraw() example comparing manual checks-effects-interactions vs. the decorator, the gas/composability trade-offs, and a verification checklist to prove the lock actually holds.
Diagnosing and Fixing Reentrancy in Vyper with @nonreentrant
Diagnose reentrancy in Vyper: identify risky external calls, apply @nonreentrant locks with proper keys, and verify with a simple attacker test. Follow the step‑by‑step guide to secure your smart contracts.