antelope-ecc/keys/private_key_from_wif.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 an Antelope WIF private key (PVT_K1) into its corresponding 32 byte binary representation.
 */
export default function private_key_from_wif(private_key) {
    if (!private_key.startsWith("PVT_K1_"))
        throw new Error("Antelope private key must start with “PVT_K1_”");
    return base58_to_binary(private_key.replace("PVT_K1_", "")).slice(0, -4);
}