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13 lines
310 B
13 lines
310 B
import sys
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from typing import Optional, Tuple
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from ._libsecp256k1 import ffi
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# https://bugs.python.org/issue42965
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if sys.version_info >= (3, 9, 2):
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from collections.abc import Callable
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else:
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from typing import Callable
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Hasher = Optional[Callable[[bytes], bytes]]
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Nonce = Tuple[ffi.CData, ffi.CData]
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