viem/_esm/utils/hash/getFunctionSelector.js

TypeScript Interface for Ethereum

import { slice } from '../data/slice.js';
import { toBytes } from '../encoding/toBytes.js';
import { getFunctionSignature, } from './getFunctionSignature.js';
import { keccak256 } from './keccak256.js';
const hash = (value) => keccak256(toBytes(value));
export const getFunctionSelector = (fn) => slice(hash(getFunctionSignature(fn)), 0, 4);
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