Merge branch 'romanz-amodem-plugin'
This commit is contained in:
commit
699b22565c
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@ -1,4 +1,5 @@
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from electrum.i18n import _
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from electrum.plugins import run_hook
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from PyQt4.QtGui import *
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from PyQt4.QtCore import *
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@ -25,6 +26,7 @@ class ShowQRTextEdit(QRTextEdit):
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super(ShowQRTextEdit, self).__init__(text)
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self.setReadOnly(1)
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self.button.clicked.connect(self.qr_show)
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run_hook('show_text_edit', self)
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def qr_show(self):
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from qrcodewidget import QRDialog
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@ -49,6 +51,7 @@ class ScanQRTextEdit(QRTextEdit):
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if win:
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assert hasattr(win,"config"), "You must pass a window with access to the config to ScanQRTextEdit constructor."
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self.button.clicked.connect(self.qr_input)
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run_hook('scan_text_edit', self)
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def qr_input(self):
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@ -28,6 +28,8 @@
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<file>icons/network.png</file>
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<file>icons/dark_background.png</file>
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<file>icons/qrcode.png</file>
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<file>icons/microphone.png</file>
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<file>icons/speaker.png</file>
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<file>icons/trustedcoin.png</file>
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</qresource>
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</RCC>
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@ -0,0 +1,171 @@
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from electrum.plugins import BasePlugin, hook
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from electrum_gui.qt.util import WaitingDialog, EnterButton
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from electrum.util import print_msg
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from electrum.i18n import _
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from PyQt4.QtGui import *
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from PyQt4.QtCore import *
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import traceback
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import zlib
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import json
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from io import BytesIO
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import sys
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import platform
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try:
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import amodem.audio
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import amodem.recv
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import amodem.send
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import amodem.config
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print_msg('Audio MODEM is available.')
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amodem.log.addHandler(amodem.logging.StreamHandler(sys.stderr))
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amodem.log.setLevel(amodem.logging.INFO)
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except ImportError:
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amodem = None
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print_msg('Audio MODEM is not found.')
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class Plugin(BasePlugin):
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def __init__(self, config, name):
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BasePlugin.__init__(self, config, name)
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if self.is_available():
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self.modem_config = amodem.config.slowest()
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self.library_name = {
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'Linux': 'libportaudio.so'
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}[platform.system()]
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def fullname(self):
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return 'Audio MODEM'
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def description(self):
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return ('Provides support for air-gapped transaction signing.\n\n'
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'Requires http://github.com/romanz/amodem/')
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def is_available(self):
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return amodem is not None
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def requires_settings(self):
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return True
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def settings_widget(self, window):
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return EnterButton(_('Settings'), self.settings_dialog)
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def settings_dialog(self):
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d = QDialog()
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d.setWindowTitle("Settings")
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layout = QGridLayout(d)
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layout.addWidget(QLabel(_('Bit rate [kbps]: ')), 0, 0)
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bitrates = list(sorted(amodem.config.bitrates.keys()))
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def _index_changed(index):
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bitrate = bitrates[index]
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self.modem_config = amodem.config.bitrates[bitrate]
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combo = QComboBox()
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combo.addItems(map(str, bitrates))
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combo.currentIndexChanged.connect(_index_changed)
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layout.addWidget(combo, 0, 1)
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ok_button = QPushButton(_("OK"))
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ok_button.clicked.connect(d.accept)
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layout.addWidget(ok_button, 1, 1)
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return bool(d.exec_())
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@hook
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def transaction_dialog(self, dialog):
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b = QPushButton()
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b.setIcon(QIcon(":icons/speaker.png"))
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def handler():
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blob = json.dumps(dialog.tx.as_dict())
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self.sender = self._send(parent=dialog, blob=blob)
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self.sender.start()
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b.clicked.connect(handler)
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dialog.buttons.insertWidget(1, b)
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@hook
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def scan_text_edit(self, parent):
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def handler():
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self.receiver = self._recv(parent=parent)
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self.receiver.start()
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button = add_button(parent=parent, icon_name=':icons/microphone.png')
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button.clicked.connect(handler)
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@hook
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def show_text_edit(self, parent):
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def handler():
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blob = str(parent.toPlainText())
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self.sender = self._send(parent=parent, blob=blob)
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self.sender.start()
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button = add_button(parent=parent, icon_name=':icons/speaker.png')
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button.clicked.connect(handler)
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def _audio_interface(self):
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return amodem.audio.Interface(
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config=self.modem_config,
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name=self.library_name
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)
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def _send(self, parent, blob):
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def sender_thread():
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try:
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with self._audio_interface() as interface:
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src = BytesIO(blob)
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dst = interface.player()
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amodem.send.main(config=self.modem_config, src=src, dst=dst)
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except Exception:
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traceback.print_exc()
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print_msg('Sending:', repr(blob))
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blob = zlib.compress(blob)
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kbps = self.modem_config.modem_bps / 1e3
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msg = 'Sending to Audio MODEM ({0:.1f} kbps)...'.format(kbps)
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return WaitingDialog(parent=parent, message=msg, run_task=sender_thread)
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def _recv(self, parent):
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def receiver_thread():
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try:
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with self._audio_interface() as interface:
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src = interface.recorder()
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dst = BytesIO()
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amodem.recv.main(config=self.modem_config, src=src, dst=dst)
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return dst.getvalue()
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except Exception:
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traceback.print_exc()
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def on_success(blob):
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if blob:
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blob = zlib.decompress(blob)
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print_msg('Received:', repr(blob))
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parent.setText(blob)
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kbps = self.modem_config.modem_bps / 1e3
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msg = 'Receiving from Audio MODEM ({0:.1f} kbps)...'.format(kbps)
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return WaitingDialog(parent=parent, message=msg,
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run_task=receiver_thread, on_success=on_success)
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def add_button(parent, icon_name):
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audio_button = QToolButton(parent)
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audio_button.setIcon(QIcon(icon_name))
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audio_button.setStyleSheet("QToolButton { border: none; padding: 0px; }")
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audio_button.setVisible(True)
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parent_resizeEvent = parent.resizeEvent
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def resizeEvent(e):
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result = parent_resizeEvent(e)
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qr_button = parent.button
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left = qr_button.geometry().left() - audio_button.sizeHint().width()
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top = qr_button.geometry().top()
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audio_button.move(left, top)
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return result
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parent.resizeEvent = resizeEvent
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return audio_button
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