ethers.js/src.ts/transaction/address.ts
2022-10-20 04:47:44 -04:00

20 lines
699 B
TypeScript

import { getAddress } from "../address/index.js";
import { keccak256, SigningKey } from "../crypto/index.js";
import type { SignatureLike } from "../crypto/index.js";
import type { BytesLike } from "../utils/index.js";
export function computeAddress(key: string | SigningKey): string {
let pubkey: string;
if (typeof(key) === "string") {
pubkey = SigningKey.computePublicKey(key, false);
} else {
pubkey = key.publicKey;
}
return getAddress(keccak256("0x" + pubkey.substring(4)).substring(26));
}
export function recoverAddress(digest: BytesLike, signature: SignatureLike): string {
return computeAddress(SigningKey.recoverPublicKey(digest, signature));
}