URI: 
       tMerge pull request #4329 from SomberNight/trezor_matrix - electrum - Electrum Bitcoin wallet
  HTML git clone https://git.parazyd.org/electrum
   DIR Log
   DIR Files
   DIR Refs
   DIR Submodules
       ---
   DIR commit 4eeb944b3c9f8eded2579bca844aef797b75f522
   DIR parent c133e0059017cfb8ac4c149a49e0aafa3c531603
  HTML Author: ghost43 <somber.night@protonmail.com>
       Date:   Wed,  9 May 2018 19:11:12 +0200
       
       Merge pull request #4329 from SomberNight/trezor_matrix
       
       Trezor: Matrix recovery support
       Diffstat:
         M plugins/trezor/clientbase.py        |      13 +++++++++++++
         M plugins/trezor/qt.py                |     135 +++++++++++++++++++++++++++++--
         M plugins/trezor/trezor.py            |      19 +++++++++++++++----
       
       3 files changed, 156 insertions(+), 11 deletions(-)
       ---
   DIR diff --git a/plugins/trezor/clientbase.py b/plugins/trezor/clientbase.py
       t@@ -86,6 +86,15 @@ class GuiMixin(object):
                return self.proto.PassphraseStateAck()
        
            def callback_WordRequest(self, msg):
       +        if (msg.type is not None
       +            and msg.type in (self.types.WordRequestType.Matrix9,
       +                             self.types.WordRequestType.Matrix6)):
       +            num = 9 if msg.type == self.types.WordRequestType.Matrix9 else 6
       +            char = self.handler.get_matrix(num)
       +            if char == 'x':
       +                return self.proto.Cancel()
       +            return self.proto.WordAck(word=char)
       +
                self.step += 1
                msg = _("Step {}/24.  Enter seed word as explained on "
                        "your {}:").format(self.step, self.device)
       t@@ -226,6 +235,10 @@ class TrezorClientBase(GuiMixin, PrintError):
            def atleast_version(self, major, minor=0, patch=0):
                return self.firmware_version() >= (major, minor, patch)
        
       +    def get_trezor_model(self):
       +        """Returns '1' for Trezor One, 'T' for Trezor T."""
       +        return self.features.model
       +
            @staticmethod
            def wrapper(func):
                '''Wrap methods to clear any message box they opened.'''
   DIR diff --git a/plugins/trezor/qt.py b/plugins/trezor/qt.py
       t@@ -12,7 +12,8 @@ from electrum.util import PrintError, UserCancelled, bh2u
        from electrum.wallet import Wallet, Standard_Wallet
        
        from ..hw_wallet.qt import QtHandlerBase, QtPluginBase
       -from .trezor import TrezorPlugin, TIM_NEW, TIM_RECOVER, TIM_MNEMONIC
       +from .trezor import (TrezorPlugin, TIM_NEW, TIM_RECOVER, TIM_MNEMONIC,
       +                     RECOVERY_TYPE_SCRAMBLED_WORDS, RECOVERY_TYPE_MATRIX)
        
        
        PASSPHRASE_HELP_SHORT =_(
       t@@ -30,16 +31,87 @@ PASSPHRASE_NOT_PIN = _(
            "If you forget a passphrase you will be unable to access any "
            "bitcoins in the wallet behind it.  A passphrase is not a PIN. "
            "Only change this if you are sure you understand it.")
       +MATRIX_RECOVERY = _(
       +    "Enter the recovery words by pressing the buttons according to what "
       +    "the device shows on its display.  You can also use your NUMPAD.\n"
       +    "Press BACKSPACE to go back a choice or word.\n")
       +
       +
       +class MatrixDialog(WindowModalDialog):
       +
       +    def __init__(self, parent):
       +        super(MatrixDialog, self).__init__(parent)
       +        self.setWindowTitle(_("Trezor Matrix Recovery"))
       +        self.num = 9
       +        self.loop = QEventLoop()
       +
       +        vbox = QVBoxLayout(self)
       +        vbox.addWidget(WWLabel(MATRIX_RECOVERY))
       +
       +        grid = QGridLayout()
       +        grid.setSpacing(0)
       +        self.char_buttons = []
       +        for y in range(3):
       +            for x in range(3):
       +                button = QPushButton('?')
       +                button.clicked.connect(partial(self.process_key, ord('1') + y * 3 + x))
       +                grid.addWidget(button, 3 - y, x)
       +                self.char_buttons.append(button)
       +        vbox.addLayout(grid)
       +
       +        self.backspace_button = QPushButton("<=")
       +        self.backspace_button.clicked.connect(partial(self.process_key, Qt.Key_Backspace))
       +        self.cancel_button = QPushButton(_("Cancel"))
       +        self.cancel_button.clicked.connect(partial(self.process_key, Qt.Key_Escape))
       +        buttons = Buttons(self.backspace_button, self.cancel_button)
       +        vbox.addSpacing(40)
       +        vbox.addLayout(buttons)
       +        self.refresh()
       +        self.show()
       +
       +    def refresh(self):
       +        for y in range(3):
       +            self.char_buttons[3 * y + 1].setEnabled(self.num == 9)
       +
       +    def is_valid(self, key):
       +        return key >= ord('1') and key <= ord('9')
       +
       +    def process_key(self, key):
       +        self.data = None
       +        if key == Qt.Key_Backspace:
       +            self.data = '\010'
       +        elif key == Qt.Key_Escape:
       +            self.data = 'x'
       +        elif self.is_valid(key):
       +            self.char_buttons[key - ord('1')].setFocus()
       +            self.data = '%c' % key
       +        if self.data:
       +            self.loop.exit(0)
       +
       +    def keyPressEvent(self, event):
       +        self.process_key(event.key())
       +        if not self.data:
       +            QDialog.keyPressEvent(self, event)
       +
       +    def get_matrix(self, num):
       +        self.num = num
       +        self.refresh()
       +        self.loop.exec_()
        
        
        class QtHandler(QtHandlerBase):
        
            pin_signal = pyqtSignal(object)
       +    matrix_signal = pyqtSignal(object)
       +    close_matrix_dialog_signal = pyqtSignal()
        
            def __init__(self, win, pin_matrix_widget_class, device):
                super(QtHandler, self).__init__(win, device)
                self.pin_signal.connect(self.pin_dialog)
       +        self.matrix_signal.connect(self.matrix_recovery_dialog)
       +        self.close_matrix_dialog_signal.connect(self._close_matrix_dialog)
                self.pin_matrix_widget_class = pin_matrix_widget_class
       +        self.matrix_dialog = None
        
            def get_pin(self, msg):
                self.done.clear()
       t@@ -47,6 +119,23 @@ class QtHandler(QtHandlerBase):
                self.done.wait()
                return self.response
        
       +    def get_matrix(self, msg):
       +        self.done.clear()
       +        self.matrix_signal.emit(msg)
       +        self.done.wait()
       +        data = self.matrix_dialog.data
       +        if data == 'x':
       +            self.close_matrix_dialog()
       +        return data
       +
       +    def _close_matrix_dialog(self):
       +        if self.matrix_dialog:
       +            self.matrix_dialog.accept()
       +            self.matrix_dialog = None
       +
       +    def close_matrix_dialog(self):
       +        self.close_matrix_dialog_signal.emit()
       +
            def pin_dialog(self, msg):
                # Needed e.g. when resetting a device
                self.clear_dialog()
       t@@ -61,6 +150,12 @@ class QtHandler(QtHandlerBase):
                self.response = str(matrix.get_value())
                self.done.set()
        
       +    def matrix_recovery_dialog(self, msg):
       +        if not self.matrix_dialog:
       +            self.matrix_dialog = MatrixDialog(self.top_level_window())
       +        self.matrix_dialog.get_matrix(msg)
       +        self.done.set()
       +
        
        class QtPlugin(QtPluginBase):
            # Derived classes must provide the following class-static variables:
       t@@ -86,7 +181,7 @@ class QtPlugin(QtPluginBase):
                if device_id:
                    SettingsDialog(window, self, keystore, device_id).exec_()
        
       -    def request_trezor_init_settings(self, wizard, method, device):
       +    def request_trezor_init_settings(self, wizard, method, model):
                vbox = QVBoxLayout()
                next_enabled = True
                label = QLabel(_("Enter a label to name your device:"))
       t@@ -107,12 +202,12 @@ class QtPlugin(QtPluginBase):
                    gb.setLayout(hbox1)
                    vbox.addWidget(gb)
                    gb.setTitle(_("Select your seed length:"))
       -            bg = QButtonGroup()
       +            bg_numwords = QButtonGroup()
                    for i, count in enumerate([12, 18, 24]):
                        rb = QRadioButton(gb)
                        rb.setText(_("%d words") % count)
       -                bg.addButton(rb)
       -                bg.setId(rb, i)
       +                bg_numwords.addButton(rb)
       +                bg_numwords.setId(rb, i)
                        hbox1.addWidget(rb)
                        rb.setChecked(True)
                    cb_pin = QCheckBox(_('Enable PIN protection'))
       t@@ -155,16 +250,42 @@ class QtPlugin(QtPluginBase):
                vbox.addWidget(passphrase_warning)
                vbox.addWidget(cb_phrase)
        
       +        # ask for recovery type (random word order OR matrix)
       +        if method == TIM_RECOVER and not model == 'T':
       +            gb_rectype = QGroupBox()
       +            hbox_rectype = QHBoxLayout()
       +            gb_rectype.setLayout(hbox_rectype)
       +            vbox.addWidget(gb_rectype)
       +            gb_rectype.setTitle(_("Select recovery type:"))
       +            bg_rectype = QButtonGroup()
       +
       +            rb1 = QRadioButton(gb_rectype)
       +            rb1.setText(_('Scrambled words'))
       +            bg_rectype.addButton(rb1)
       +            bg_rectype.setId(rb1, RECOVERY_TYPE_SCRAMBLED_WORDS)
       +            hbox_rectype.addWidget(rb1)
       +            rb1.setChecked(True)
       +
       +            rb2 = QRadioButton(gb_rectype)
       +            rb2.setText(_('Matrix'))
       +            bg_rectype.addButton(rb2)
       +            bg_rectype.setId(rb2, RECOVERY_TYPE_MATRIX)
       +            hbox_rectype.addWidget(rb2)
       +        else:
       +            bg_rectype = None
       +
                wizard.exec_layout(vbox, next_enabled=next_enabled)
        
                if method in [TIM_NEW, TIM_RECOVER]:
       -            item = bg.checkedId()
       +            item = bg_numwords.checkedId()
                    pin = cb_pin.isChecked()
       +            recovery_type = bg_rectype.checkedId() if bg_rectype else None
                else:
                    item = ' '.join(str(clean_text(text)).split())
                    pin = str(pin.text())
       +            recovery_type = None
        
       -        return (item, name.text(), pin, cb_phrase.isChecked())
       +        return (item, name.text(), pin, cb_phrase.isChecked(), recovery_type)
        
        
        class Plugin(TrezorPlugin, QtPlugin):
   DIR diff --git a/plugins/trezor/trezor.py b/plugins/trezor/trezor.py
       t@@ -17,6 +17,7 @@ from ..hw_wallet import HW_PluginBase
        
        # TREZOR initialization methods
        TIM_NEW, TIM_RECOVER, TIM_MNEMONIC, TIM_PRIVKEY = range(0, 4)
       +RECOVERY_TYPE_SCRAMBLED_WORDS, RECOVERY_TYPE_MATRIX = range(0, 2)
        
        # script "generation"
        SCRIPT_GEN_LEGACY, SCRIPT_GEN_P2SH_SEGWIT, SCRIPT_GEN_NATIVE_SEGWIT = range(0, 3)
       t@@ -192,9 +193,12 @@ class TrezorPlugin(HW_PluginBase):
                    (TIM_MNEMONIC, _("Upload a BIP39 mnemonic to generate the seed")),
                    (TIM_PRIVKEY, _("Upload a master private key"))
                ]
       +        devmgr = self.device_manager()
       +        client = devmgr.client_by_id(device_id)
       +        model = client.get_trezor_model()
                def f(method):
                    import threading
       -            settings = self.request_trezor_init_settings(wizard, method, self.device)
       +            settings = self.request_trezor_init_settings(wizard, method, model)
                    t = threading.Thread(target=self._initialize_device_safe, args=(settings, method, device_id, wizard, handler))
                    t.setDaemon(True)
                    t.start()
       t@@ -213,9 +217,9 @@ class TrezorPlugin(HW_PluginBase):
                    wizard.loop.exit(0)
        
            def _initialize_device(self, settings, method, device_id, wizard, handler):
       -        item, label, pin_protection, passphrase_protection = settings
       +        item, label, pin_protection, passphrase_protection, recovery_type = settings
        
       -        if method == TIM_RECOVER:
       +        if method == TIM_RECOVER and recovery_type == RECOVERY_TYPE_SCRAMBLED_WORDS:
                    handler.show_error(_(
                        "You will be asked to enter 24 words regardless of your "
                        "seed's actual length.  If you enter a word incorrectly or "
       t@@ -238,8 +242,15 @@ class TrezorPlugin(HW_PluginBase):
                elif method == TIM_RECOVER:
                    word_count = 6 * (item + 2)  # 12, 18 or 24
                    client.step = 0
       +            if recovery_type == RECOVERY_TYPE_SCRAMBLED_WORDS:
       +                recovery_type_trezor = self.types.RecoveryDeviceType.ScrambledWords
       +            else:
       +                recovery_type_trezor = self.types.RecoveryDeviceType.Matrix
                    client.recovery_device(word_count, passphrase_protection,
       -                                       pin_protection, label, language)
       +                                   pin_protection, label, language,
       +                                   type=recovery_type_trezor)
       +            if recovery_type == RECOVERY_TYPE_MATRIX:
       +                handler.close_matrix_dialog()
                elif method == TIM_MNEMONIC:
                    pin = pin_protection  # It's the pin, not a boolean
                    client.load_device_by_mnemonic(str(item), pin,