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https://github.com/logos-blockchain/logos-execution-zone.git
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42 lines
865 B
Python
42 lines
865 B
Python
class KeyCardError(Exception):
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"""Base exception for Keycard SDK"""
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pass
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class APDUError(KeyCardError):
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"""Raised when APDU returns non-success status word."""
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def __init__(self, sw: int):
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self.sw = sw
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super().__init__(f"APDU failed with SW={sw:04X}")
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class InvalidResponseError(KeyCardError):
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"""Raised when response parsing fails."""
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pass
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class NotInitializedError(KeyCardError):
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"""Raised when trying to use card public key before select()."""
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pass
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class NotSelectedError(KeyCardError):
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"""Raised when trying to use card before select()."""
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pass
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class TransportError(KeyCardError):
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"""Raised there are no readers"""
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pass
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class InvalidStateError(KeyCardError):
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"""Raised when a precondition is not met."""
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def __init__(self, message: str):
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super().__init__(message)
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