ethers.js/src.ts/hash/message.ts
2022-09-15 22:31:00 -04:00

14 lines
442 B
TypeScript

import { keccak256 } from "../crypto/index.js";
import { MessagePrefix } from "../constants/index.js";
import { concat, toUtf8Bytes } from "../utils/index.js";
export function hashMessage(message: Uint8Array | string): string {
if (typeof(message) === "string") { message = toUtf8Bytes(message); }
return keccak256(concat([
toUtf8Bytes(MessagePrefix),
toUtf8Bytes(String(message.length)),
message
]));
}