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BitBox02 Electrum plugin support

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.
hard-fail-on-bad-server-string
TheCharlatan 5 years ago
parent
commit
a4fe14bb82
No known key found for this signature in database GPG Key ID: 9B79B45691DB4173
  1. 15
      electrum/bitcoin.py
  2. BIN
      electrum/gui/icons/bitbox02.png
  3. BIN
      electrum/gui/icons/bitbox02_unpaired.png
  4. 8
      electrum/gui/qt/main_window.py
  5. 2
      electrum/gui/qt/util.py
  6. 4
      electrum/plugin.py
  7. 14
      electrum/plugins/bitbox02/__init__.py
  8. 620
      electrum/plugins/bitbox02/bitbox02.py
  9. 174
      electrum/plugins/bitbox02/qt.py
  10. 2
      electrum/plugins/coldcard/qt.py

15
electrum/bitcoin.py

@ -432,6 +432,21 @@ def address_to_script(addr: str, *, net=None) -> str:
raise BitcoinException(f'unknown address type: {addrtype}')
return script
def address_to_hash(addr: str, *, net=None) -> Tuple[int, bytes]:
"""Return the pubkey hash / witness program of an address"""
if net is None: net = constants.net
if not is_address(addr, net=net):
raise BitcoinException(f"invalid bitcoin address: {addr}")
witver, witprog = segwit_addr.decode(net.SEGWIT_HRP, addr)
if witprog is not None:
if len(witprog) == 20:
return WIF_SCRIPT_TYPES['p2wpkh'], bytes(witprog)
return WIF_SCRIPT_TYPES['p2wsh'], bytes(witprog)
addrtype, hash_160_ = b58_address_to_hash160(addr)
if addrtype == net.ADDRTYPE_P2PKH:
return WIF_SCRIPT_TYPES['p2pkh'], hash_160_
return WIF_SCRIPT_TYPES['p2sh'], hash_160_
def address_to_scripthash(addr: str) -> str:
script = address_to_script(addr)
return script_to_scripthash(script)

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electrum/gui/icons/bitbox02.png

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electrum/gui/icons/bitbox02_unpaired.png

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8
electrum/gui/qt/main_window.py

@ -2274,6 +2274,8 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, Logger):
mpk_text.setText(mpk_list[index])
mpk_text.repaint() # macOS hack for #4777
# declare this value such that the hooks can later figure out what to do
labels_clayout = None
# only show the combobox in case multiple accounts are available
if len(mpk_list) > 1:
# only show the combobox if multiple master keys are defined
@ -2288,6 +2290,7 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, Logger):
on_click = lambda clayout: show_mpk(clayout.selected_index())
labels_clayout = ChoicesLayout(_("Master Public Keys"), labels, on_click)
vbox.addLayout(labels_clayout.layout())
labels_clayout.selected_index()
else:
vbox.addWidget(QLabel(_("Master Public Key")))
@ -2295,7 +2298,10 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, Logger):
vbox.addWidget(mpk_text)
vbox.addStretch(1)
btns = run_hook('wallet_info_buttons', self, dialog) or Buttons(CloseButton(dialog))
btn_export_info = run_hook('wallet_info_buttons', self, dialog)
btn_show_xpub = run_hook('show_xpub_button', self, dialog, labels_clayout)
btn_close = CloseButton(dialog)
btns = Buttons(btn_export_info, btn_show_xpub, btn_close)
vbox.addLayout(btns)
dialog.setLayout(vbox)
dialog.exec_()

2
electrum/gui/qt/util.py

@ -161,6 +161,8 @@ class Buttons(QHBoxLayout):
QHBoxLayout.__init__(self)
self.addStretch(1)
for b in buttons:
if b is None:
continue
self.addWidget(b)
class CloseButton(QPushButton):

4
electrum/plugin.py

@ -650,6 +650,10 @@ class DeviceMgr(ThreadJob):
if len(id_) == 0:
id_ = str(d['path'])
id_ += str(interface_number) + str(usage_page)
# The BitBox02's product_id is not unique per device, thus use the path instead to
# distinguish devices.
if d["product_id"] == 0x2403:
id_ = d['path']
devices.append(Device(path=d['path'],
interface_number=interface_number,
id_=id_,

14
electrum/plugins/bitbox02/__init__.py

@ -0,0 +1,14 @@
from electrum.i18n import _
fullname = "BitBox02"
description = (
"Provides support for the BitBox02 hardware wallet"
)
requires = [
(
"bitbox02",
"https://github.com/digitalbitbox/bitbox02-firmware/tree/master/py/bitbox02",
)
]
registers_keystore = ("hardware", "bitbox02", _("BitBox02"))
available_for = ["qt"]

620
electrum/plugins/bitbox02/bitbox02.py

@ -0,0 +1,620 @@
#
# BitBox02 Electrum plugin code.
#
import hid
import hashlib
from typing import TYPE_CHECKING, Dict, Tuple, Optional, List, Any
from electrum import bip32, constants
from electrum.i18n import _
from electrum.keystore import Hardware_KeyStore, Xpub
from electrum.transaction import PartialTransaction
from electrum.wallet import Standard_Wallet, Multisig_Wallet, Deterministic_Wallet
from electrum.util import bh2u, UserFacingException
from electrum.base_wizard import ScriptTypeNotSupported, BaseWizard
from electrum.logging import get_logger
from electrum.crypto import hmac_oneshot
from electrum.plugin import Device, DeviceInfo
from electrum.simple_config import SimpleConfig
from electrum.json_db import StoredDict
from electrum.storage import get_derivation_used_for_hw_device_encryption
import electrum.bitcoin as bitcoin
import electrum.ecc as ecc
from ..hw_wallet import HW_PluginBase, HardwareClientBase
from ..hw_wallet.plugin import LibraryFoundButUnusable
try:
from bitbox02 import bitbox02
from bitbox02 import util
from bitbox02.communication import (
devices,
HARDENED,
u2fhid,
bitbox_api_protocol,
)
requirements_ok = True
except ImportError:
requirements_ok = False
_logger = get_logger(__name__)
class BitBox02Client(HardwareClientBase):
# handler is a BitBox02_Handler, importing it would lead to a circular dependency
def __init__(self, handler: Any, device: Device, config: SimpleConfig):
self.bitbox02_device = None
self.handler = handler
self.device_descriptor = device
self.config = config
self.bitbox_hid_info = None
if self.config.get("bitbox02") is None:
bitbox02_config: dict = {
"remote_static_noise_keys": [],
"noise_privkey": None,
}
self.config.set_key("bitbox02", bitbox02_config)
bitboxes = devices.get_any_bitbox02s()
for bitbox in bitboxes:
if (
bitbox["path"] == self.device_descriptor.path
and bitbox["interface_number"]
== self.device_descriptor.interface_number
):
self.bitbox_hid_info = bitbox
if self.bitbox_hid_info is None:
raise Exception("No BitBox02 detected")
def label(self) -> str:
return "BitBox02"
def is_initialized(self) -> bool:
return True
def close(self):
try:
self.bitbox02_device.close()
except:
pass
def has_usable_connection_with_device(self) -> bool:
if self.bitbox_hid_info is None:
return False
return True
def pairing_dialog(self, wizard: bool = True):
def pairing_step(code):
msg = "Please compare and confirm the pairing code on your BitBox02:\n"
choice = [code]
if wizard == True:
return self.handler.win.query_choice(msg, choice)
self.handler.pairing_code_dialog(code)
def exists_remote_static_pubkey(pubkey: bytes) -> bool:
bitbox02_config = self.config.get("bitbox02")
noise_keys = bitbox02_config.get("remote_static_noise_keys")
if noise_keys is not None:
if pubkey.hex() in [noise_key for noise_key in noise_keys]:
return True
return False
def set_remote_static_pubkey(pubkey: bytes) -> None:
if not exists_remote_static_pubkey(pubkey):
bitbox02_config = self.config.get("bitbox02")
if bitbox02_config.get("remote_static_noise_keys") is not None:
bitbox02_config["remote_static_noise_keys"].append(pubkey.hex())
else:
bitbox02_config["remote_static_noise_keys"] = [pubkey.hex()]
self.config.set_key("bitbox02", bitbox02_config)
def get_noise_privkey() -> Optional[bytes]:
bitbox02_config = self.config.get("bitbox02")
privkey = bitbox02_config.get("noise_privkey")
if privkey is not None:
return bytes.fromhex(privkey)
return None
def set_noise_privkey(privkey: bytes) -> None:
bitbox02_config = self.config.get("bitbox02")
bitbox02_config["noise_privkey"] = privkey.hex()
self.config.set_key("bitbox02", bitbox02_config)
def attestation_warning() -> None:
self.handler.attestation_failed_warning(
"The BitBox02 attestation failed.\nTry reconnecting the BitBox02.\nWarning: The device might not be genuine, if the\n problem persists please contact Shift support."
)
class NoiseConfig(bitbox_api_protocol.BitBoxNoiseConfig):
"""NoiseConfig extends BitBoxNoiseConfig"""
def show_pairing(self, code: str) -> bool:
choice = [code]
try:
reply = pairing_step(code)
except:
# Close the hid device on exception
hid_device.close()
raise
return True
def attestation_check(self, result: bool) -> None:
if not result:
attestation_warning()
def contains_device_static_pubkey(self, pubkey: bytes) -> bool:
return exists_remote_static_pubkey(pubkey)
def add_device_static_pubkey(self, pubkey: bytes) -> None:
return set_remote_static_pubkey(pubkey)
def get_app_static_privkey(self) -> Optional[bytes]:
return get_noise_privkey()
def set_app_static_privkey(self, privkey: bytes) -> None:
return set_noise_privkey(privkey)
if self.bitbox02_device is None:
hid_device = hid.device()
hid_device.open_path(self.bitbox_hid_info["path"])
self.bitbox02_device = bitbox02.BitBox02(
transport=u2fhid.U2FHid(hid_device),
device_info=self.bitbox_hid_info,
noise_config=NoiseConfig(),
)
if not self.bitbox02_device.device_info()["initialized"]:
raise Exception(
"Please initialize the BitBox02 using the BitBox app first before using the BitBox02 in electrum"
)
def check_device_firmware_version(self) -> bool:
if self.bitbox02_device is None:
raise Exception(
"Need to setup communication first before attempting any BitBox02 calls"
)
return self.bitbox02_device.check_firmware_version()
def coin_network_from_electrum_network(self) -> int:
if constants.net.TESTNET:
return bitbox02.btc.TBTC
return bitbox02.btc.BTC
def get_password_for_storage_encryption(self) -> str:
derivation = get_derivation_used_for_hw_device_encryption()
derivation_list = bip32.convert_bip32_path_to_list_of_uint32(derivation)
xpub = self.bitbox02_device.electrum_encryption_key(derivation_list)
node = bip32.BIP32Node.from_xkey(xpub, net = constants.BitcoinMainnet()).subkey_at_public_derivation(())
return node.eckey.get_public_key_bytes(compressed=True).hex()
def get_xpub(self, bip32_path: str, xtype: str, display: bool = False) -> str:
if self.bitbox02_device is None:
self.pairing_dialog(wizard=False)
if self.bitbox02_device is None:
raise Exception(
"Need to setup communication first before attempting any BitBox02 calls"
)
if not self.bitbox02_device.device_info()["initialized"]:
raise UserFacingException(
"Please initialize the BitBox02 using the BitBox app first before using the BitBox02 in electrum"
)
xpub_keypath = bip32.convert_bip32_path_to_list_of_uint32(bip32_path)
coin_network = self.coin_network_from_electrum_network()
if xtype == "p2wpkh":
if coin_network == bitbox02.btc.BTC:
out_type = bitbox02.btc.BTCPubRequest.ZPUB
else:
out_type = bitbox02.btc.BTCPubRequest.VPUB
elif xtype == "p2wpkh-p2sh":
if coin_network == bitbox02.btc.BTC:
out_type = bitbox02.btc.BTCPubRequest.YPUB
else:
out_type = bitbox02.btc.BTCPubRequest.UPUB
elif xtype == "p2wsh":
if coin_network == bitbox02.btc.BTC:
out_type = bitbox02.btc.BTCPubRequest.CAPITAL_ZPUB
else:
out_type = bitbox02.btc.BTCPubRequest.CAPITAL_VPUB
# The other legacy types are not supported
else:
raise Exception("invalid xtype:{}".format(xtype))
return self.bitbox02_device.btc_xpub(
keypath=xpub_keypath,
xpub_type=out_type,
coin=coin_network,
display=display,
)
def request_root_fingerprint_from_device(self) -> str:
if self.bitbox02_device is None:
raise Exception(
"Need to setup communication first before attempting any BitBox02 calls"
)
return self.bitbox02_device.root_fingerprint().hex()
def is_pairable(self) -> bool:
if self.bitbox_hid_info is None:
return False
return True
def btc_multisig_config(
self, coin, bip32_path: List[int], wallet: Multisig_Wallet
):
"""
Set and get a multisig config with the current device and some other arbitrary xpubs.
Registers it on the device if not already registered.
"""
if self.bitbox02_device is None:
raise Exception(
"Need to setup communication first before attempting any BitBox02 calls"
)
account_keypath = bip32_path[:4]
xpubs = wallet.get_master_public_keys()
our_xpub = self.get_xpub(
bip32.convert_bip32_intpath_to_strpath(account_keypath), "p2wsh"
)
multisig_config = bitbox02.btc.BTCScriptConfig(
multisig=bitbox02.btc.BTCScriptConfig.Multisig(
threshold=wallet.m,
xpubs=[util.parse_xpub(xpub) for xpub in xpubs],
our_xpub_index=xpubs.index(our_xpub),
)
)
is_registered = self.bitbox02_device.btc_is_script_config_registered(
coin, multisig_config, account_keypath
)
if not is_registered:
name = self.handler.name_multisig_account()
try:
self.bitbox02_device.btc_register_script_config(
coin=coin,
script_config=multisig_config,
keypath=account_keypath,
name=name,
)
except bitbox02.DuplicateEntryException:
raise
except:
raise UserFacingException("Failed to register multisig\naccount configuration on BitBox02")
return multisig_config
def show_address(
self, bip32_path: str, address_type: str, wallet: Deterministic_Wallet
) -> str:
if self.bitbox02_device is None:
raise Exception(
"Need to setup communication first before attempting any BitBox02 calls"
)
address_keypath = bip32.convert_bip32_path_to_list_of_uint32(bip32_path)
coin_network = self.coin_network_from_electrum_network()
if address_type == "p2wpkh":
script_config = bitbox02.btc.BTCScriptConfig(
simple_type=bitbox02.btc.BTCScriptConfig.P2WPKH
)
elif address_type == "p2wpkh-p2sh":
script_config = bitbox02.btc.BTCScriptConfig(
simple_type=bitbox02.btc.BTCScriptConfig.P2WPKH_P2SH
)
elif address_type == "p2wsh":
if type(wallet) is Multisig_Wallet:
script_config = self.btc_multisig_config(
coin_network, address_keypath, wallet
)
else:
raise Exception("Can only use p2wsh with multisig wallets")
else:
raise Exception(
"invalid address xtype: {} is not supported by the BitBox02".format(
address_type
)
)
return self.bitbox02_device.btc_address(
keypath=address_keypath,
coin=coin_network,
script_config=script_config,
display=True,
)
def sign_transaction(
self,
keystore: Hardware_KeyStore,
tx: PartialTransaction,
wallet: Deterministic_Wallet,
):
if tx.is_complete():
return
if self.bitbox02_device is None:
raise Exception(
"Need to setup communication first before attempting any BitBox02 calls"
)
coin = bitbox02.btc.BTC
if constants.net.TESTNET:
coin = bitbox02.btc.TBTC
tx_script_type = None
# Build BTCInputType list
inputs = []
for txin in tx.inputs():
_, full_path = keystore.find_my_pubkey_in_txinout(txin)
if full_path is None:
raise Exception(
"A wallet owned pubkey was not found in the transaction input to be signed"
)
inputs.append(
{
"prev_out_hash": txin.prevout.txid[::-1],
"prev_out_index": txin.prevout.out_idx,
"prev_out_value": txin.value_sats(),
"sequence": txin.nsequence,
"keypath": full_path,
}
)
if tx_script_type == None:
tx_script_type = txin.script_type
elif tx_script_type != txin.script_type:
raise Exception("Cannot mix different input script types")
if tx_script_type == "p2wpkh":
tx_script_type = bitbox02.btc.BTCScriptConfig(
simple_type=bitbox02.btc.BTCScriptConfig.P2WPKH
)
elif tx_script_type == "p2wpkh-p2sh":
tx_script_type = bitbox02.btc.BTCScriptConfig(
simple_type=bitbox02.btc.BTCScriptConfig.P2WPKH_P2SH
)
elif tx_script_type == "p2wsh":
if type(wallet) is Multisig_Wallet:
tx_script_type = self.btc_multisig_config(coin, full_path, wallet)
else:
raise Exception("Can only use p2wsh with multisig wallets")
else:
raise UserFacingException(
"invalid input script type: {} is not supported by the BitBox02".format(
tx_script_type
)
)
# Build BTCOutputType list
outputs = []
for txout in tx.outputs():
assert txout.address
# check for change
if txout.is_change:
_, change_pubkey_path = keystore.find_my_pubkey_in_txinout(txout)
outputs.append(
bitbox02.BTCOutputInternal(
keypath=change_pubkey_path, value=txout.value,
)
)
else:
addrtype, pubkey_hash = bitcoin.address_to_hash(txout.address)
if addrtype == bitcoin.WIF_SCRIPT_TYPES["p2pkh"]:
output_type = bitbox02.btc.P2PKH
elif addrtype == bitcoin.WIF_SCRIPT_TYPES["p2sh"]:
output_type = bitbox02.btc.P2SH
elif addrtype == bitcoin.WIF_SCRIPT_TYPES["p2wpkh"]:
output_type = bitbox02.btc.P2WPKH
elif addrtype == bitcoin.WIF_SCRIPT_TYPES["p2wsh"]:
output_type = bitbox02.btc.P2WSH
else:
raise UserFacingException(
"Received unsupported output type during transaction signing: {} is not supported by the BitBox02".format(
addrtype
)
)
outputs.append(
bitbox02.BTCOutputExternal(
output_type=output_type,
output_hash=pubkey_hash,
value=txout.value,
)
)
if type(wallet) is Standard_Wallet:
keypath_account = full_path[:3]
elif type(wallet) is Multisig_Wallet:
keypath_account = full_path[:4]
else:
raise Exception(
"BitBox02 does not support this wallet type: {}".format(type(wallet))
)
sigs = self.bitbox02_device.btc_sign(
coin,
tx_script_type,
keypath_account=keypath_account,
inputs=inputs,
outputs=outputs,
locktime=tx.locktime,
version=tx.version,
)
# Fill signatures
if len(sigs) != len(tx.inputs()):
raise Exception("Incorrect number of inputs signed.") # Should never occur
signatures = [bh2u(ecc.der_sig_from_sig_string(x[1])) + "01" for x in sigs]
tx.update_signatures(signatures)
class BitBox02_KeyStore(Hardware_KeyStore):
hw_type = "bitbox02"
device = "BitBox02"
plugin: "BitBox02Plugin"
def __init__(self, d: StoredDict):
super().__init__(d)
self.force_watching_only = False
self.ux_busy = False
def get_client(self):
return self.plugin.get_client(self)
def give_error(self, message: Exception, clear_client: bool = False):
self.logger.info(message)
if not self.ux_busy:
self.handler.show_error(message)
else:
self.ux_busy = False
if clear_client:
self.client = None
raise UserFacingException(message)
def decrypt_message(self, pubkey, message, password):
raise UserFacingException(
_(
"Message encryption, decryption and signing are currently not supported for {}"
).format(self.device)
)
def sign_message(self, sequence, message, password):
raise UserFacingException(
_(
"Message encryption, decryption and signing are currently not supported for {}"
).format(self.device)
)
def sign_transaction(self, tx: PartialTransaction, password: str):
if tx.is_complete():
return
client = self.get_client()
try:
try:
self.handler.show_message("Authorize Transaction...")
client.sign_transaction(self, tx, self.handler.win.wallet)
finally:
self.handler.finished()
except Exception as e:
self.logger.exception("")
self.give_error(e, True)
return
def show_address(
self, sequence: Tuple[int, int], txin_type: str, wallet: Deterministic_Wallet
):
client = self.get_client()
address_path = "{}/{}/{}".format(
self.get_derivation_prefix(), sequence[0], sequence[1]
)
try:
try:
self.handler.show_message(_("Showing address ..."))
dev_addr = client.show_address(address_path, txin_type, wallet)
finally:
self.handler.finished()
except Exception as e:
self.logger.exception("")
self.handler.show_error(e)
class BitBox02Plugin(HW_PluginBase):
keystore_class = BitBox02_KeyStore
DEVICE_IDS = [(0x03EB, 0x2403)]
SUPPORTED_XTYPES = ("p2wpkh-p2sh", "p2wpkh", "p2wsh")
def __init__(self, parent: HW_PluginBase, config: SimpleConfig, name: str):
super().__init__(parent, config, name)
self.libraries_available = self.check_libraries_available()
if not self.libraries_available:
return
self.device_manager().register_devices(self.DEVICE_IDS)
def get_library_version(self):
try:
from bitbox02 import bitbox02
version = bitbox02.__version__
except:
version = "unknown"
if requirements_ok:
return version
else:
raise ImportError()
# handler is a BitBox02_Handler
def create_client(self, device: Device, handler: Any) -> BitBox02Client:
if not handler:
self.handler = handler
return BitBox02Client(handler, device, self.config)
def setup_device(
self, device_info: DeviceInfo, wizard: BaseWizard, purpose: int
):
devmgr = self.device_manager()
device_id = device_info.device.id_
client = devmgr.client_by_id(device_id)
if client is None:
raise UserFacingException(
_("Failed to create a client for this device.")
+ "\n"
+ _("Make sure it is in the correct state.")
)
client.handler = self.create_handler(wizard)
if client.bitbox02_device is None:
client.pairing_dialog()
def get_xpub(
self, device_id: bytes, derivation: str, xtype: str, wizard: BaseWizard
):
if xtype not in self.SUPPORTED_XTYPES:
raise ScriptTypeNotSupported(
_("This type of script is not supported with {}.").format(self.device)
)
devmgr = self.device_manager()
client = devmgr.client_by_id(device_id)
if client.bitbox02_device is None:
client.handler = self.create_handler(wizard)
client.pairing_dialog()
return client.get_xpub(derivation, xtype)
def get_client(self, keystore: BitBox02_KeyStore, force_pair: bool = True):
devmgr = self.device_manager()
handler = keystore.handler
with devmgr.hid_lock:
client = devmgr.client_for_keystore(self, handler, keystore, force_pair)
return client
def show_address(
self,
wallet: Deterministic_Wallet,
address: str,
keystore: BitBox02_KeyStore = None,
):
if keystore is None:
keystore = wallet.get_keystore()
if not self.show_address_helper(wallet, address, keystore):
return
txin_type = wallet.get_txin_type(address)
sequence = wallet.get_address_index(address)
keystore.show_address(sequence, txin_type, wallet)

174
electrum/plugins/bitbox02/qt.py

@ -0,0 +1,174 @@
import time, os
from functools import partial
import copy
from PyQt5.QtCore import Qt, pyqtSignal
from PyQt5.QtWidgets import (
QPushButton,
QLabel,
QVBoxLayout,
QWidget,
QGridLayout,
QLineEdit,
QHBoxLayout,
)
from PyQt5.QtCore import Qt, QMetaObject, Q_RETURN_ARG, pyqtSignal, pyqtSlot
from electrum.gui.qt.util import (
WindowModalDialog,
Buttons,
OkButton,
CancelButton,
get_parent_main_window,
)
from electrum.gui.qt.transaction_dialog import TxDialog
from electrum.i18n import _
from electrum.plugin import hook
from electrum.wallet import Multisig_Wallet
from electrum.transaction import PartialTransaction
from electrum import keystore
from .bitbox02 import BitBox02Plugin
from ..hw_wallet.qt import QtHandlerBase, QtPluginBase
from ..hw_wallet.plugin import only_hook_if_libraries_available, LibraryFoundButUnusable
class Plugin(BitBox02Plugin, QtPluginBase):
icon_unpaired = "bitbox02_unpaired.png"
icon_paired = "bitbox02.png"
def create_handler(self, window):
return BitBox02_Handler(window)
@only_hook_if_libraries_available
@hook
def receive_menu(self, menu, addrs, wallet):
# Context menu on each address in the Addresses Tab, right click...
if len(addrs) != 1:
return
for keystore in wallet.get_keystores():
if type(keystore) == self.keystore_class:
def show_address(keystore=keystore):
keystore.thread.add(
partial(self.show_address, wallet, addrs[0], keystore=keystore)
)
device_name = "{} ({})".format(self.device, keystore.label)
menu.addAction(_("Show on {}").format(device_name), show_address)
@only_hook_if_libraries_available
@hook
def show_xpub_button(self, main_window, dialog, labels_clayout):
# user is about to see the "Wallet Information" dialog
# - add a button to show the xpub on the BitBox02 device
wallet = main_window.wallet
if not any(type(ks) == self.keystore_class for ks in wallet.get_keystores()):
# doesn't involve a BitBox02 wallet, hide feature
return
btn = QPushButton(_("Show on BitBox02"))
def on_button_click():
selected_keystore_index = 0
if labels_clayout is not None:
selected_keystore_index = labels_clayout.selected_index()
keystores = wallet.get_keystores()
selected_keystore = keystores[selected_keystore_index]
derivation = selected_keystore.get_derivation_prefix()
if type(selected_keystore) != self.keystore_class:
main_window.show_error("Select a BitBox02 xpub")
selected_keystore.get_client().get_xpub(
derivation, keystore.xtype_from_derivation(derivation), True
)
btn.clicked.connect(lambda unused: on_button_click())
return btn
class BitBox02_Handler(QtHandlerBase):
setup_signal = pyqtSignal()
def __init__(self, win):
super(BitBox02_Handler, self).__init__(win, "BitBox02")
self.setup_signal.connect(self.setup_dialog)
def message_dialog(self, msg):
self.clear_dialog()
self.dialog = dialog = WindowModalDialog(
self.top_level_window(), _("BitBox02 Status")
)
l = QLabel(msg)
vbox = QVBoxLayout(dialog)
vbox.addWidget(l)
dialog.show()
def attestation_failed_warning(self, msg):
self.clear_dialog()
self.dialog = dialog = WindowModalDialog(None, "BitBox02 Attestation Failed")
l = QLabel(msg)
vbox = QVBoxLayout(dialog)
vbox.addWidget(l)
okButton = OkButton(dialog)
vbox.addWidget(okButton)
dialog.setLayout(vbox)
dialog.exec_()
return
def pairing_code_dialog(self, code):
self.clear_dialog()
self.dialog = dialog = WindowModalDialog(None, "BitBox02 Pairing Code")
l = QLabel(code)
vbox = QVBoxLayout(dialog)
vbox.addWidget(l)
vbox.addLayout(Buttons(CancelButton(dialog), OkButton(dialog)))
dialog.setLayout(vbox)
dialog.exec_()
return
def get_setup(self):
self.done.clear()
self.setup_signal.emit()
self.done.wait()
return
def name_multisig_account(self):
return QMetaObject.invokeMethod(
self,
"_name_multisig_account",
Qt.BlockingQueuedConnection,
Q_RETURN_ARG(str),
)
@pyqtSlot(result=str)
def _name_multisig_account(self):
dialog = WindowModalDialog(None, "Create Multisig Account")
vbox = QVBoxLayout()
label = QLabel(
_(
"Enter a descriptive name for your multisig account.\nYou should later be able to use the name to uniquely identify this multisig account"
)
)
hl = QHBoxLayout()
hl.addWidget(label)
name = QLineEdit()
name.setMaxLength(30)
name.resize(200, 40)
he = QHBoxLayout()
he.addWidget(name)
okButton = OkButton(dialog)
hlb = QHBoxLayout()
hlb.addWidget(okButton)
hlb.addStretch(2)
vbox.addLayout(hl)
vbox.addLayout(he)
vbox.addLayout(hlb)
dialog.setLayout(vbox)
dialog.exec_()
return name.text().strip()
def setup_dialog(self):
self.show_error(_("Please initialize your BitBox02 while connected."))
return

2
electrum/plugins/coldcard/qt.py

@ -57,7 +57,7 @@ class Plugin(ColdcardPlugin, QtPluginBase):
btn = QPushButton(_("Export for Coldcard"))
btn.clicked.connect(lambda unused: self.export_multisig_setup(main_window, wallet))
return Buttons(btn, CloseButton(dialog))
return btn
def export_multisig_setup(self, main_window, wallet):

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