@ckb-ccc/core/dist/signer/doge/verify.js

Core of CCC - CKBer's Codebase

import { secp256k1 } from "@noble/curves/secp256k1";
import { magicHash } from "bitcoinjs-message";
import { bytesFrom } from "../../bytes/index.js";
import { hexFrom } from "../../hex/index.js";
import { btcEcdsaPublicKeyHash, btcPublicKeyFromP2pkhAddress, } from "../btc/verify.js";
/**
 * @public
 */
export function verifyMessageDogeEcdsa(message, signature, address) {
    const challenge = typeof message === "string" ? message : hexFrom(message).slice(2);
    const signatureBytes = bytesFrom(signature, "base64");
    const recoveryBit = signatureBytes[0];
    const rawSign = signatureBytes.slice(1);
    const sig = secp256k1.Signature.fromCompact(hexFrom(rawSign).slice(2)).addRecoveryBit(recoveryBit - 31);
    return (btcPublicKeyFromP2pkhAddress(address) ===
        hexFrom(btcEcdsaPublicKeyHash(sig
            .recoverPublicKey(magicHash(challenge, "\x19Dogecoin Signed Message:\n"))
            .toHex())));
}