antelope-ecc/keys/legacy_to_public_key.js

A universal JavaScript ECC digital signature and key utility package for Antelope based blockchains.

import base58_to_binary from "base58-js/base58_to_binary";
/**
 * Converts a legacy wif public key to compressed public key.
 * @param {String} wif_public_key
 * @returns {Uint8Array} Compressed secp256k1 public key.
 */
export default function legacy_to_public_key(wif_public_key) {
    return base58_to_binary(wif_public_key.replace(/^[A-Z]+/gmu, "")).slice(0, -4);
}