from frostfs_sdk.cryptography.key_extension import KeyExtension


class ECDSA:
    def __init__(self, wif: str):
        self.wif = wif
        self.private_key: bytes = KeyExtension().get_private_key_from_wif(wif)
        self.public_key: bytes = KeyExtension().get_public_key(self.private_key)