267 lines
9.6 KiB
Python
267 lines
9.6 KiB
Python
import time, os
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from functools import partial
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from typing import TYPE_CHECKING
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from PyQt5.QtCore import Qt, pyqtSignal
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from PyQt5.QtWidgets import QPushButton, QLabel, QVBoxLayout, QWidget, QGridLayout
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from electrum.gui.qt.util import (WindowModalDialog, CloseButton, Buttons, getOpenFileName,
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getSaveFileName)
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from electrum.gui.qt.transaction_dialog import TxDialog
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from electrum.gui.qt.main_window import ElectrumWindow
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from electrum.i18n import _
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from electrum.plugin import hook
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from electrum.wallet import Multisig_Wallet
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from electrum.transaction import PartialTransaction
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from .coldcard import ColdcardPlugin, xfp2str
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from ..hw_wallet.qt import QtHandlerBase, QtPluginBase
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from ..hw_wallet.plugin import only_hook_if_libraries_available
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from electrum.gui.qt.wizard.wallet import WCScriptAndDerivation, WCHWXPub, WCHWUninitialized, WCHWUnlock
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if TYPE_CHECKING:
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from electrum.gui.qt.wizard.wallet import QENewWalletWizard
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CC_DEBUG = False
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class Plugin(ColdcardPlugin, QtPluginBase):
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icon_unpaired = "coldcard_unpaired.png"
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icon_paired = "coldcard.png"
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def create_handler(self, window):
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return Coldcard_Handler(window)
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@only_hook_if_libraries_available
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@hook
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def receive_menu(self, menu, addrs, wallet):
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# Context menu on each address in the Addresses Tab, right click...
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if len(addrs) != 1:
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return
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for keystore in wallet.get_keystores():
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if type(keystore) == self.keystore_class:
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def show_address(keystore=keystore):
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keystore.thread.add(partial(self.show_address, wallet, addrs[0], keystore=keystore))
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device_name = "{} ({})".format(self.device, keystore.label)
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menu.addAction(_("Show on {}").format(device_name), show_address)
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@only_hook_if_libraries_available
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@hook
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def wallet_info_buttons(self, main_window, dialog):
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# user is about to see the "Wallet Information" dialog
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# - add a button if multisig wallet, and a Coldcard is a cosigner.
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wallet = main_window.wallet
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if type(wallet) is not Multisig_Wallet:
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return
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if not any(type(ks) == self.keystore_class for ks in wallet.get_keystores()):
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# doesn't involve a Coldcard wallet, hide feature
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return
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btn = QPushButton(_("Export for Coldcard"))
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btn.clicked.connect(lambda unused: self.export_multisig_setup(main_window, wallet))
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return btn
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def export_multisig_setup(self, main_window, wallet):
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basename = wallet.basename().rsplit('.', 1)[0] # trim .json
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name = f'{basename}-cc-export.txt'.replace(' ', '-')
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fileName = getSaveFileName(
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parent=main_window,
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title=_("Select where to save the setup file"),
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filename=name,
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filter="*.txt",
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config=self.config,
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)
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if fileName:
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with open(fileName, "wt") as f:
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ColdcardPlugin.export_ms_wallet(wallet, f, basename)
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main_window.show_message(_("Wallet setup file exported successfully"))
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def show_settings_dialog(self, window, keystore):
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# When they click on the icon for CC we come here.
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# - doesn't matter if device not connected, continue
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CKCCSettingsDialog(window, self, keystore).exec_()
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@hook
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def init_wallet_wizard(self, wizard: 'QENewWalletWizard'):
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self.extend_wizard(wizard)
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# insert coldcard pages in new wallet wizard
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def extend_wizard(self, wizard: 'QENewWalletWizard'):
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super().extend_wizard(wizard)
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views = {
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'coldcard_start': {'gui': WCScriptAndDerivation},
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'coldcard_xpub': {'gui': WCHWXPub},
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'coldcard_not_initialized': {'gui': WCHWUninitialized},
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'coldcard_unlock': {'gui': WCHWUnlock}
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}
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wizard.navmap_merge(views)
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class Coldcard_Handler(QtHandlerBase):
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MESSAGE_DIALOG_TITLE = _("Coldcard Status")
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def __init__(self, win):
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super(Coldcard_Handler, self).__init__(win, 'Coldcard')
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class CKCCSettingsDialog(WindowModalDialog):
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def __init__(self, window: ElectrumWindow, plugin, keystore):
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title = _("{} Settings").format(plugin.device)
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super(CKCCSettingsDialog, self).__init__(window, title)
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self.setMaximumWidth(540)
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# Note: Coldcard may **not** be connected at present time. Keep working!
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devmgr = plugin.device_manager()
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#config = devmgr.config
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#handler = keystore.handler
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self.thread = thread = keystore.thread
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self.keystore = keystore
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assert isinstance(window, ElectrumWindow), f"{type(window)}"
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self.window = window
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def connect_and_doit():
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# Attempt connection to device, or raise.
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device_id = plugin.choose_device(window, keystore)
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if not device_id:
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raise RuntimeError("Device not connected")
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client = devmgr.client_by_id(device_id)
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if not client:
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raise RuntimeError("Device not connected")
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return client
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body = QWidget()
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body_layout = QVBoxLayout(body)
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grid = QGridLayout()
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grid.setColumnStretch(2, 1)
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# see <http://doc.qt.io/archives/qt-4.8/richtext-html-subset.html>
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title = QLabel('''<center>
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<span style="font-size: x-large">Coldcard Wallet</span>
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<br><span style="font-size: medium">from Coinkite Inc.</span>
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<br><a href="https://coldcardwallet.com">coldcardwallet.com</a>''')
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title.setTextInteractionFlags(Qt.LinksAccessibleByMouse)
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grid.addWidget(title, 0,0, 1,2, Qt.AlignHCenter)
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y = 3
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rows = [
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('xfp', _("Master Fingerprint")),
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('serial', _("USB Serial")),
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('fw_version', _("Firmware Version")),
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('fw_built', _("Build Date")),
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('bl_version', _("Bootloader")),
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]
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for row_num, (member_name, label) in enumerate(rows):
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# XXX we know xfp already, even if not connected
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widget = QLabel('<tt>000000000000')
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widget.setTextInteractionFlags(Qt.TextSelectableByMouse | Qt.TextSelectableByKeyboard)
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grid.addWidget(QLabel(label), y, 0, 1,1, Qt.AlignRight)
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grid.addWidget(widget, y, 1, 1, 1, Qt.AlignLeft)
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setattr(self, member_name, widget)
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y += 1
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body_layout.addLayout(grid)
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upg_btn = QPushButton(_('Upgrade'))
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#upg_btn.setDefault(False)
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def _start_upgrade():
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thread.add(connect_and_doit, on_success=self.start_upgrade)
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upg_btn.clicked.connect(_start_upgrade)
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y += 3
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grid.addWidget(upg_btn, y, 0)
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grid.addWidget(CloseButton(self), y, 1)
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dialog_vbox = QVBoxLayout(self)
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dialog_vbox.addWidget(body)
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# Fetch firmware/versions values and show them.
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thread.add(connect_and_doit, on_success=self.show_values, on_error=self.show_placeholders)
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def show_placeholders(self, unclear_arg):
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# device missing, so hide lots of detail.
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self.xfp.setText('<tt>%s' % self.keystore.get_root_fingerprint())
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self.serial.setText('(not connected)')
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self.fw_version.setText('')
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self.fw_built.setText('')
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self.bl_version.setText('')
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def show_values(self, client):
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dev = client.dev
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self.xfp.setText('<tt>%s' % xfp2str(dev.master_fingerprint))
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self.serial.setText('<tt>%s' % dev.serial)
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# ask device for versions: allow extras for future
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fw_date, fw_rel, bl_rel, *rfu = client.get_version()
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self.fw_version.setText('<tt>%s' % fw_rel)
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self.fw_built.setText('<tt>%s' % fw_date)
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self.bl_version.setText('<tt>%s' % bl_rel)
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def start_upgrade(self, client):
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# ask for a filename (must have already downloaded it)
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dev = client.dev
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fileName = getOpenFileName(
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parent=self,
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title="Select upgraded firmware file",
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filter="*.dfu",
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config=self.window.config,
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)
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if not fileName:
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return
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from ckcc.utils import dfu_parse
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from ckcc.sigheader import FW_HEADER_SIZE, FW_HEADER_OFFSET, FW_HEADER_MAGIC
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from ckcc.protocol import CCProtocolPacker
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from hashlib import sha256
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import struct
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try:
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with open(fileName, 'rb') as fd:
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# unwrap firmware from the DFU
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offset, size, *ignored = dfu_parse(fd)
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fd.seek(offset)
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firmware = fd.read(size)
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hpos = FW_HEADER_OFFSET
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hdr = bytes(firmware[hpos:hpos + FW_HEADER_SIZE]) # needed later too
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magic = struct.unpack_from("<I", hdr)[0]
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if magic != FW_HEADER_MAGIC:
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raise ValueError("Bad magic")
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except Exception as exc:
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self.window.show_error("Does not appear to be a Coldcard firmware file.\n\n%s" % exc)
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return
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# TODO:
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# - detect if they are trying to downgrade; aint gonna work
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# - warn them about the reboot?
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# - length checks
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# - add progress local bar
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self.window.show_message("Ready to Upgrade.\n\nBe patient. Unit will reboot itself when complete.")
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def doit():
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dlen, _ = dev.upload_file(firmware, verify=True)
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assert dlen == len(firmware)
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# append the firmware header a second time
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result = dev.send_recv(CCProtocolPacker.upload(size, size+FW_HEADER_SIZE, hdr))
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# make it reboot into bootlaoder which might install it
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dev.send_recv(CCProtocolPacker.reboot())
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self.thread.add(doit)
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self.close()
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