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