nodejs-keccak256
Prevents hashing bugs in JavaScript and TypeScript that silently break Ethereum code.
Installation
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What this skill does
What it does:
- Fixes a common mistake when using Node.js to create Ethereum hashes
- Explains why Node.js built-in hashing gives wrong answers for Ethereum
- Shows correct code examples using ethers, viem, or web3 libraries
- Helps you find and fix broken hash code in your project
When to use it:
- You are writing JavaScript or TypeScript code that works with Ethereum
- You need to create function signatures, event topics, or storage slots
- You are reviewing code that uses Node.js crypto hashing for Ethereum data
- Your Ethereum code is not working and you suspect a hashing problem
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