ethers.js/packages/hash/lib/message.js
2022-04-11 17:14:19 -04:00

15 lines
514 B
JavaScript

import { concat } from "@ethersproject/bytes";
import { keccak256 } from "@ethersproject/crypto";
import { toUtf8Bytes } from "@ethersproject/strings";
export const messagePrefix = "\x19Ethereum Signed Message:\n";
export function hashMessage(message) {
if (typeof (message) === "string") {
message = toUtf8Bytes(message);
}
return keccak256(concat([
toUtf8Bytes(messagePrefix),
toUtf8Bytes(String(message.length)),
message
]));
}
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