29 lines
951 B
TypeScript
29 lines
951 B
TypeScript
import { getAddress } from "../address/index.js";
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import { keccak256, SigningKey } from "../crypto/index.js";
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import type { SignatureLike } from "../crypto/index.js";
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import type { BytesLike } from "../utils/index.js";
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/**
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* Returns the address for the %%key%%.
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*
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* The key may be any standard form of public key or a private key.
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*/
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export function computeAddress(key: string | SigningKey): string {
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let pubkey: string;
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if (typeof(key) === "string") {
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pubkey = SigningKey.computePublicKey(key, false);
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} else {
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pubkey = key.publicKey;
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}
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return getAddress(keccak256("0x" + pubkey.substring(4)).substring(26));
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}
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/**
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* Returns the recovered address for the private key that was
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* used to sign %%digest%% that resulted in %%signature%%.
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*/
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export function recoverAddress(digest: BytesLike, signature: SignatureLike): string {
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return computeAddress(SigningKey.recoverPublicKey(digest, signature));
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}
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