shesek reported on IRC:
> the button widget for opening plugins configuration gets cached in `settings_widgets`
> even after the plugin is disabled and re-enabled, which causes it to call `settings_dialog()`
> on the previous plugin instance that got unloaded instead of the new one.
This commit adds support for the BitBox02 hardware wallet.
It supports both single and multisig for the electrum gui wallet.
To use the plugin a local installation of the BitBox02 python library is
required. It can be found on PiPy under the name 'bitbox02' and can be
installed from the bitbox02-firmware repository in the py/bitbox02
directory.
All communication to and from the BitBox02 is noise encrypted, the keys
required for this are stored in the wallet config file under the
bitbox02 key.
The BitBox02 registers a multisig configuration before allowing
transaction signing. This multisig configuration includes the threshold,
cosigner xpubs, keypath, a variable to indicate for mainnet and testnet,
and a name that the user can choose during configuration registration.
The user is asked to register the multisig configuration either during
address verification or during transaction signing.
The check the xpub of the BitBox02 for other hardware wallets, a button
is added in the wallet info dialog.
The wallet encryption key is fetched in a separate api call, requiring a
slightly tweaked override version of the wallet encryption password.
E | gui.qt.main_window.[test_ms_p2wsh_2of3_cc3132_trezort_cc3133] | on_error
Traceback (most recent call last):
File "...\electrum\electrum\gui\qt\util.py", line 794, in run
result = task.task()
File "...\electrum\electrum\plugins\hw_wallet\qt.py", line 232, in trigger_pairings
devices = devmgr.scan_devices()
File "...\electrum\electrum\plugin.py", line 376, in func_wrapper
return func(self, *args, **kwargs)
File "...\electrum\electrum\plugin.py", line 656, in scan_devices
for f in self.enumerate_func:
RuntimeError: Set changed size during iteration
scenario1:
- 2of2 multisig wallet with trezor1 and trezor2 keystores
- only trezor2 connected
- previously we would pair first keystore with connected device and then display error.
now we will pair the device with the correct keystore on the first try
scenario2:
- standard wallet with trezor1 keystore
- trezor2 connected (different device)
- previously we would pair trezor2 with the keystore and then display error.
now we will prompt the user to select which device to pair with (out of one)
related: #5789
Just makes sense in general.
Also, previously, the GUI would freeze if right after startup the user
clicked the hww status bar icon (especially with multiple hww connected).
previously, client.handler was sometimes
- an InstallWizard
- a QtHandlerBase where win was an ElectrumWindow
- a QtHandlerBase where win was an InstallWizard
- a CmdLineHandler
That's just too much dynamic untyped undocumented polymorphism...
Now it will never be an InstallWizard (replaced with QtHandlerBase where win is an InstallWizard),
and now in all cases client.handler is an instance of HardwareHandlerBase, yay.
related: #6063
old style "-v" still works
filtering examples:
-v=debug,network=error,interface=error // effectively blacklists network and interface
-v=warning,network=debug,interface=debug // effectively whitelists network and interface
[DeviceMgr] scanning devices...
[DeviceMgr] failed to create client for ledger at b'0002:0007:00': OSError('open failed',)
[DeviceMgr] error getting device infos for ledger: open failed
^ GUI did not contain any info about failure
we should not raise generic Exception when wanting to communicate with
the user. it makes distinguishing programming errors and messages hard,
as the caller will necessarily need to catch all Exceptions then
[trezor] connecting to device at bridge:hid...
[trezor] connected to device at bridge:hid...
Traceback (most recent call last):
File "...\electrum\electrum\base_wizard.py", line 255, in choose_hw_device
u = devmgr.unpaired_device_infos(None, plugin, devices=scanned_devices)
File "...\electrum\electrum\plugin.py", line 501, in unpaired_device_infos
client = self.create_client(device, handler, plugin)
File "...\electrum\electrum\plugin.py", line 374, in create_client
client = plugin.create_client(device, handler)
File "...\electrum\electrum\plugins\trezor\trezor.py", line 124, in create_client
client = self.client_class(transport, handler, self)
File "...\electrum\electrum\plugins\trezor\client.py", line 7, in __init__
ProtocolMixin.__init__(self, transport=transport)
File "...\Python36-32\lib\site-packages\trezorlib\client.py", line 444, in __init__
self.init_device()
File "...\Python36-32\lib\site-packages\trezorlib\client.py", line 454, in init_device
self.features = expect(proto.Features)(self.call)(init_msg)
File "...\Python36-32\lib\site-packages\trezorlib\client.py", line 115, in wrapped_f
ret = f(*args, **kwargs)
File "...\Python36-32\lib\site-packages\trezorlib\client.py", line 129, in wrapped_f
client.transport.session_begin()
File "...\Python36-32\lib\site-packages\trezorlib\transport\__init__.py", line 42, in session_begin
self.open()
File "...\Python36-32\lib\site-packages\trezorlib\transport\bridge.py", line 69, in open
raise TransportException('trezord: Could not acquire session' + get_error(r))
trezorlib.transport.TransportException: trezord: Could not acquire session (error=400 str=wrong previous session)
[DeviceMgr] error getting device infos for trezor: trezord: Could not acquire session (error=400 str=wrong previous session)
