from cryptography.fernet import Fernet

from app.config import settings


def encrypt_xprv(xprv_base58: str) -> bytes:
    return Fernet(settings.xprv_encryption_key).encrypt(xprv_base58.encode())


def decrypt_xprv(token: bytes) -> str:
    return Fernet(settings.xprv_encryption_key).decrypt(token).decode()