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python: implement backwards compatibility for pre-2.3.0 firmwares

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This commit is contained in:
matejcik 2020-02-10 13:01:47 +01:00
parent cfe0e34215
commit f7608f55ff
2 changed files with 19 additions and 6 deletions
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4
python/src/trezorlib/__init__.py
View File

@ -2,7 +2,7 @@ __version__ = "0.12.0"
# fmt: off # fmt: off
MINIMUM_FIRMWARE_VERSION = { MINIMUM_FIRMWARE_VERSION = {
"1": (1, 9, 0), "1": (1, 8, 0),
"T": (2, 3, 0), "T": (2, 1, 0),
} }
# fmt: on # fmt: on

21
python/src/trezorlib/client.py
View File

@ -184,6 +184,21 @@ class TrezorClient:
def _callback_passphrase(self, msg: messages.PassphraseRequest): def _callback_passphrase(self, msg: messages.PassphraseRequest):
available_on_device = Capability.PassphraseEntry in self.features.capabilities available_on_device = Capability.PassphraseEntry in self.features.capabilities
def send_passphrase(passphrase=None, on_device=None):
msg = messages.PassphraseAck(
_state=self.session_id, passphrase=passphrase, on_device=on_device
)
resp = self.call_raw(msg)
if isinstance(resp, messages.Deprecated_PassphraseStateRequest):
self.session_id = resp.state
resp = self.call_raw(messages.Deprecated_PassphraseStateAck())
return resp
# short-circuit old style entry
if msg._on_device is True:
return send_passphrase(None, None)
try: try:
passphrase = self.ui.get_passphrase(available_on_device=available_on_device) passphrase = self.ui.get_passphrase(available_on_device=available_on_device)
except exceptions.Cancelled: except exceptions.Cancelled:
@ -195,7 +210,7 @@ class TrezorClient:
self.call_raw(messages.Cancel()) self.call_raw(messages.Cancel())
raise RuntimeError("Device is not capable of entering passphrase") raise RuntimeError("Device is not capable of entering passphrase")
else: else:
return self.call_raw(messages.PassphraseAck(on_device=True)) return send_passphrase(on_device=True)
# else process host-entered passphrase # else process host-entered passphrase
passphrase = Mnemonic.normalize_string(passphrase) passphrase = Mnemonic.normalize_string(passphrase)
@ -203,9 +218,7 @@ class TrezorClient:
self.call_raw(messages.Cancel()) self.call_raw(messages.Cancel())
raise ValueError("Passphrase too long") raise ValueError("Passphrase too long")
return self.call_raw( return send_passphrase(passphrase, on_device=False)
messages.PassphraseAck(passphrase=passphrase, on_device=False)
)
def _callback_button(self, msg): def _callback_button(self, msg):
__tracebackhide__ = True # for pytest # pylint: disable=W0612 __tracebackhide__ = True # for pytest # pylint: disable=W0612