hardhat/dist/src/internal/builtin-plugins/hhu/tasks/hash/keccak.js

Hardhat is an extensible developer tool that helps smart contract developers increase productivity by reliably bringing together the tools they want.

import { HardhatError } from "@nomicfoundation/hardhat-errors";
import { utf8StringToBytes } from "@nomicfoundation/hardhat-utils/bytes";
import { keccak256 } from "@nomicfoundation/hardhat-utils/crypto";
import { bytesToHexString, getUnprefixedHexString, hexStringToBytes, isHexString, isPrefixedHexString, } from "@nomicfoundation/hardhat-utils/hex";
const keccakAction = async ({ value, }) => {
    let bytes;
    if (isPrefixedHexString(value)) {
        if (!isHexString(value)) {
            throw new HardhatError(HardhatError.ERRORS.CORE.GENERAL.INVALID_HEX_STRING, { value });
        }
        if (getUnprefixedHexString(value).length % 2 !== 0) {
            throw new HardhatError(HardhatError.ERRORS.CORE.ARGUMENTS.INVALID_VALUE, {
                value,
                name: "value",
                reason: "it must have an even number of hex digits",
            });
        }
        bytes = hexStringToBytes(value);
    }
    else {
        bytes = utf8StringToBytes(value);
    }
    console.log(bytesToHexString(await keccak256(bytes)));
};
export default keccakAction;
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