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