21 lines
742 B
Python
21 lines
742 B
Python
import base58
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import ecdsa
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class KeyExtension:
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def get_private_key_from_wif(self, wif: str) -> bytes:
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if len(wif) == 0 or wif is None:
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raise ValueError(f"Empty WIF private key: {wif}")
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decoded = base58.b58decode_check(wif)
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if len(decoded) != 34 or decoded[0] != 0x80 or decoded[-1] != 0x01:
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raise ValueError("Not decode WIF by base58")
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private_key = decoded[1:-1]
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return private_key
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def get_public_key(self, private_key: bytes):
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if len(private_key) == 0 or private_key is None:
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raise ValueError(f"Empty private key: {private_key}")
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return ecdsa.SigningKey.from_string(private_key, curve=ecdsa.SECP256k1).get_verifying_key().to_string()
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