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46e4c02602
Each namespace now has its own file in apps.common.storage and storage/__init__ serves as an entry point. Updates #274.
76 lines
1.7 KiB
Python
76 lines
1.7 KiB
Python
from trezor import config
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# Namespaces:
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# fmt: off
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# Intentionally not using const() to allow import in submodules.
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_APP_DEVICE = 0x01
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_APP_SLIP39 = 0x02
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_APP_SLIP39_MNEMONICS = 0x03
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# fmt: on
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_FALSE_BYTE = b"\x00"
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_TRUE_BYTE = b"\x01"
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_STORAGE_VERSION_01 = b"\x01"
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_STORAGE_VERSION_CURRENT = b"\x02"
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def _set(app: int, key: int, data: bytes, public: bool = False):
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config.set(app, key, data, public)
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def _get(app: int, key: int, public: bool = False):
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return config.get(app, key, public)
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def _delete(app: int, key: int):
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config.delete(app, key)
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def _set_true_or_delete(app: int, key: int, value: bool):
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if value:
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_set_bool(app, key, value)
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else:
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_delete(app, key)
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def _set_bool(app: int, key: int, value: bool, public: bool = False) -> None:
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if value:
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_set(app, key, _TRUE_BYTE, public)
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else:
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_set(app, key, _FALSE_BYTE, public)
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def _get_bool(app: int, key: int, public: bool = False) -> bool:
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return _get(app, key, public) == _TRUE_BYTE
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def _set_uint8(app: int, key: int, val: int):
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_set(app, key, val.to_bytes(1, "big"))
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def _get_uint8(app: int, key: int) -> int:
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val = _get(app, key)
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if not val:
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return None
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return int.from_bytes(val, "big")
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def _set_uint16(app: int, key: int, val: int):
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_set(app, key, val.to_bytes(2, "big"))
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def _get_uint16(app: int, key: int) -> int:
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val = _get(app, key)
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if not val:
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return None
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return int.from_bytes(val, "big")
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def _next_counter(app: int, key: int, public: bool = False):
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return config.next_counter(app, key, public)
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def _set_counter(app: int, key: int, count: int, public: bool = False) -> None:
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config.set_counter(app, key, count, public)
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