from electrum.util import print_error
from urlparse import urlparse, parse_qs
-from PyQt4.QtGui import QPushButton
-from electrum_gui.i18n import _
+from PyQt4.QtGui import QPushButton, QMessageBox, QDialog, QVBoxLayout, QHBoxLayout, QGridLayout, QLabel, QLineEdit, QComboBox
+from PyQt4.QtCore import Qt
+
+from electrum.i18n import _
+import re
+import os
+from electrum import Transaction
+from electrum.bitcoin import MIN_RELAY_TX_FEE, is_valid
+from electrum_gui.qt.qrcodewidget import QRCodeWidget
+from electrum import bmp
+from electrum_gui.qt import HelpButton, EnterButton
+import json
try:
import zbar
except ImportError:
zbar = None
-from electrum_gui import BasePlugin
+from electrum import BasePlugin
class Plugin(BasePlugin):
- def __init__(self, gui):
- BasePlugin.__init__(self, gui, 'qrscans', 'QR scans', "QR Scans.\nInstall the zbar package to enable this plugin")
+ def fullname(self): return 'QR scans'
+
+ def description(self): return "QR Scans.\nInstall the zbar package (http://zbar.sourceforge.net/download.html) to enable this plugin"
+
+ def __init__(self, gui, name):
+ BasePlugin.__init__(self, gui, name)
self._is_available = self._init()
-
+
def _init(self):
if not zbar:
return False
try:
proc = zbar.Processor()
- proc.init()
+ proc.init(video_device=self.video_device())
except zbar.SystemError:
# Cannot open video device
- return False
+ pass
+ #return False
return True
+ def load_wallet(self, wallet):
+ b = QPushButton(_("Scan QR code"))
+ b.clicked.connect(self.fill_from_qr)
+ self.send_tab_grid.addWidget(b, 1, 5)
+ b2 = QPushButton(_("Scan TxQR"))
+ b2.clicked.connect(self.read_raw_qr)
+
+ if not wallet.seed:
+ b3 = QPushButton(_("Show unsigned TxQR"))
+ b3.clicked.connect(self.show_raw_qr)
+ self.send_tab_grid.addWidget(b3, 7, 1)
+ self.send_tab_grid.addWidget(b2, 7, 2)
+ else:
+ self.send_tab_grid.addWidget(b2, 7, 1)
+
def is_available(self):
return self._is_available
def create_send_tab(self, grid):
- b = QPushButton(_("Scan QR code"))
- b.clicked.connect(self.fill_from_qr)
- grid.addWidget(b, 1, 5)
-
+ self.send_tab_grid = grid
def scan_qr(self):
proc = zbar.Processor()
- proc.init()
+ try:
+ proc.init(video_device=self.video_device())
+ except zbar.SystemError, e:
+ QMessageBox.warning(self.gui.main_window, _('Error'), _(e), _('OK'))
+ return
+
proc.visible = True
while True:
try:
proc.process_one()
- except:
+ except Exception:
# User closed the preview window
return {}
for r in proc.results:
if str(r.type) != 'QRCODE':
continue
- return parse_uri(r.data)
+ return r.data
+ def show_raw_qr(self):
+ r = unicode( self.gui.main_window.payto_e.text() )
+ r = r.strip()
- def fill_from_qr(self):
+ # label or alias, with address in brackets
+ m = re.match('(.*?)\s*\<([1-9A-HJ-NP-Za-km-z]{26,})\>', r)
+ to_address = m.group(2) if m else r
+
+ if not is_valid(to_address):
+ QMessageBox.warning(self.gui.main_window, _('Error'), _('Invalid Bitcoin Address') + ':\n' + to_address, _('OK'))
+ return
+
+ try:
+ amount = self.gui.main_window.read_amount(unicode( self.gui.main_window.amount_e.text()))
+ except Exception:
+ QMessageBox.warning(self.gui.main_window, _('Error'), _('Invalid Amount'), _('OK'))
+ return
+ try:
+ fee = self.gui.main_window.read_amount(unicode( self.gui.main_window.fee_e.text()))
+ except Exception:
+ QMessageBox.warning(self.gui.main_window, _('Error'), _('Invalid Fee'), _('OK'))
+ return
+
+ try:
+ tx = self.gui.main_window.wallet.mktx( [(to_address, amount)], None, fee)
+ except Exception as e:
+ self.gui.main_window.show_message(str(e))
+ return
+
+ if tx.requires_fee(self.gui.main_window.wallet.verifier) and fee < MIN_RELAY_TX_FEE:
+ QMessageBox.warning(self.gui.main_window, _('Error'), _("This transaction requires a higher fee, or it will not be propagated by the network."), _('OK'))
+ return
+
+ try:
+ out = {
+ "hex" : tx.hash(),
+ "complete" : "false"
+ }
+
+ input_info = []
+
+ except Exception as e:
+ self.gui.main_window.show_message(str(e))
+
+ try:
+ json_text = json.dumps(tx.as_dict()).replace(' ', '')
+ self.show_tx_qrcode(json_text, 'Unsigned Transaction')
+ except Exception as e:
+ self.gui.main_window.show_message(str(e))
+
+ def show_tx_qrcode(self, data, title):
+ if not data: return
+ d = QDialog(self.gui.main_window)
+ d.setModal(1)
+ d.setWindowTitle(title)
+ d.setMinimumSize(250, 525)
+ vbox = QVBoxLayout()
+ qrw = QRCodeWidget(data)
+ vbox.addWidget(qrw, 0)
+ hbox = QHBoxLayout()
+ hbox.addStretch(1)
+
+ def print_qr(self):
+ filename = "qrcode.bmp"
+ electrum_gui.bmp.save_qrcode(qrw.qr, filename)
+ QMessageBox.information(None, _('Message'), _("QR code saved to file") + " " + filename, _('OK'))
+
+ b = QPushButton(_("Save"))
+ hbox.addWidget(b)
+ b.clicked.connect(print_qr)
+
+ b = QPushButton(_("Close"))
+ hbox.addWidget(b)
+ b.clicked.connect(d.accept)
+ b.setDefault(True)
+
+ vbox.addLayout(hbox, 1)
+ d.setLayout(vbox)
+ d.exec_()
+
+ def read_raw_qr(self):
qrcode = self.scan_qr()
+ if qrcode:
+ tx = self.gui.main_window.tx_from_text(qrcode)
+ if tx:
+ self.create_transaction_details_window(tx)
+
+ def create_transaction_details_window(self, tx):
+ dialog = QDialog(self.gui.main_window)
+ dialog.setMinimumWidth(500)
+ dialog.setWindowTitle(_('Process Offline transaction'))
+ dialog.setModal(1)
+
+ l = QGridLayout()
+ dialog.setLayout(l)
+
+ l.addWidget(QLabel(_("Transaction status:")), 3,0)
+ l.addWidget(QLabel(_("Actions")), 4,0)
+
+ if tx.is_complete == False:
+ l.addWidget(QLabel(_("Unsigned")), 3,1)
+ if self.gui.main_window.wallet.seed :
+ b = QPushButton("Sign transaction")
+ b.clicked.connect(lambda: self.sign_raw_transaction(tx, tx.inputs, dialog))
+ l.addWidget(b, 4, 1)
+ else:
+ l.addWidget(QLabel(_("Wallet is de-seeded, can't sign.")), 4,1)
+ else:
+ l.addWidget(QLabel(_("Signed")), 3,1)
+ b = QPushButton("Broadcast transaction")
+ def broadcast(tx):
+ result, result_message = self.gui.main_window.wallet.sendtx( tx )
+ if result:
+ self.gui.main_window.show_message(_("Transaction successfully sent:")+' %s' % (result_message))
+ if dialog:
+ dialog.done(0)
+ else:
+ self.gui.main_window.show_message(_("There was a problem sending your transaction:") + '\n %s' % (result_message))
+ b.clicked.connect(lambda: broadcast( tx ))
+ l.addWidget(b,4,1)
+
+ closeButton = QPushButton(_("Close"))
+ closeButton.clicked.connect(lambda: dialog.done(0))
+ l.addWidget(closeButton, 4,2)
+
+ dialog.exec_()
+
+ def do_protect(self, func, args):
+ if self.gui.main_window.wallet.use_encryption:
+ password = self.gui.main_window.password_dialog()
+ if not password:
+ return
+ else:
+ password = None
+
+ if args != (False,):
+ args = (self,) + args + (password,)
+ else:
+ args = (self,password)
+ apply( func, args)
+
+ def protected(func):
+ return lambda s, *args: s.do_protect(func, args)
+
+ @protected
+ def sign_raw_transaction(self, tx, input_info, dialog ="", password = ""):
+ try:
+ self.gui.main_window.wallet.signrawtransaction(tx, input_info, [], password)
+ txtext = json.dumps(tx.as_dict()).replace(' ', '')
+ self.show_tx_qrcode(txtext, 'Signed Transaction')
+ except Exception as e:
+ self.gui.main_window.show_message(str(e))
+
+
+ def fill_from_qr(self):
+ qrcode = parse_uri(self.scan_qr())
+ if not qrcode:
+ return
+
if 'address' in qrcode:
- self.gui.payto_e.setText(qrcode['address'])
+ self.gui.main_window.payto_e.setText(qrcode['address'])
if 'amount' in qrcode:
- self.gui.amount_e.setText(str(qrcode['amount']))
+ self.gui.main_window.amount_e.setText(str(qrcode['amount']))
if 'label' in qrcode:
- self.gui.message_e.setText(qrcode['label'])
+ self.gui.main_window.message_e.setText(qrcode['label'])
if 'message' in qrcode:
- self.gui.message_e.setText("%s (%s)" % (self.gui.message_e.text(), qrcode['message']))
+ self.gui.main_window.message_e.setText("%s (%s)" % (self.gui.main_window.message_e.text(), qrcode['message']))
+ def video_device(self):
+ device = self.config.get("video_device", "default")
+ if device == 'default':
+ device = ''
+ return device
+
+ def requires_settings(self):
+ return True
+
+ def settings_widget(self, window):
+ return EnterButton(_('Settings'), self.settings_dialog)
+
+ def _find_system_cameras(self):
+ device_root = "/sys/class/video4linux"
+ devices = {} # Name -> device
+ if os.path.exists(device_root):
+ for device in os.listdir(device_root):
+ name = open(os.path.join(device_root, device, 'name')).read()
+ devices[name] = os.path.join("/dev",device)
+ return devices
+
+ def settings_dialog(self):
+ system_cameras = self._find_system_cameras()
+
+ d = QDialog()
+ layout = QGridLayout(d)
+ layout.addWidget(QLabel("Choose a video device:"),0,0)
+
+ # Create a combo box with the available video devices:
+ combo = QComboBox()
+
+ # on change trigger for video device selection, makes the
+ # manual device selection only appear when needed:
+ def on_change(x):
+ combo_text = str(combo.itemText(x))
+ combo_data = combo.itemData(x)
+ if combo_text == "Manually specify a device":
+ custom_device_label.setVisible(True)
+ self.video_device_edit.setVisible(True)
+ if self.config.get("video_device") == "default":
+ self.video_device_edit.setText("")
+ else:
+ self.video_device_edit.setText(self.config.get("video_device"))
+ else:
+ custom_device_label.setVisible(False)
+ self.video_device_edit.setVisible(False)
+ self.video_device_edit.setText(combo_data.toString())
+
+ # on save trigger for the video device selection window,
+ # stores the chosen video device on close.
+ def on_save():
+ device = str(self.video_device_edit.text())
+ self.config.set_key("video_device", device)
+ d.accept()
+
+ custom_device_label = QLabel("Video device: ")
+ custom_device_label.setVisible(False)
+ layout.addWidget(custom_device_label,1,0)
+ self.video_device_edit = QLineEdit()
+ self.video_device_edit.setVisible(False)
+ layout.addWidget(self.video_device_edit, 1,1,2,2)
+ combo.currentIndexChanged.connect(on_change)
+
+ combo.addItem("Default","default")
+ for camera, device in system_cameras.items():
+ combo.addItem(camera, device)
+ combo.addItem("Manually specify a device",self.config.get("video_device"))
+
+ # Populate the previously chosen device:
+ index = combo.findData(self.config.get("video_device"))
+ combo.setCurrentIndex(index)
+
+ layout.addWidget(combo,0,1)
+
+ self.accept = QPushButton(_("Done"))
+ self.accept.clicked.connect(on_save)
+ layout.addWidget(self.accept,4,2)
+
+ if d.exec_():
+ return True
+ else:
+ return False
uri = urlparse(uri)
result = {'address': uri.netloc}
- if uri.path.startswith('?'):
- params = parse_qs(uri.path[1:])
+ if uri.query.startswith('?'):
+ params = parse_qs(uri.query[1:])
else:
- params = parse_qs(uri.path)
+ params = parse_qs(uri.query)
for k,v in params.items():
if k in ('amount', 'label', 'message'):
git://git.novaco.in / electrum-nvc.git / blobdiff