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 description(self): return "QR Scans.\nInstall the zbar package to enable this plugin.\nOn linux, type: 'apt-get install python-zbar'"
def __init__(self, gui, name):
BasePlugin.__init__(self, gui, name)
try:
proc = zbar.Processor()
proc.init(video_device=self.video_device())
+ except zbar.UnsupportedError:
+ return False
except zbar.SystemError:
# Cannot open video device
pass
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 init(self):
+ self.win = self.gui.main_window
+ self.win.raw_transaction_menu.addAction(_("&From QR code"), self.read_raw_qr)
def is_available(self):
return self._is_available
- def create_send_tab(self, grid):
- self.send_tab_grid = grid
+ def scan_qr_hook(self, func):
+ data = self.scan_qr()
+ if type(data) != str:
+ return
+ func(data)
def scan_qr(self):
proc = zbar.Processor()
try:
proc.init(video_device=self.video_device())
except zbar.SystemError, e:
- QMessageBox.warning(self.gui.main_window, _('Error'), _(e), _('OK'))
+ QMessageBox.warning(self.win, _('Error'), _(e), _('OK'))
return
proc.visible = True
continue
return r.data
- def show_raw_qr(self):
- r = unicode( self.gui.main_window.payto_e.text() )
- r = r.strip()
-
- # 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
+ data = qrcode
+
+ # transactions are binary, but qrcode seems to return utf8...
+ z = data.decode('utf8')
+ s = ''
+ for b in z:
+ s += chr(ord(b))
+ data = s.encode('hex')
+ tx = self.win.tx_from_text(data)
+ if not tx:
+ return
+ self.win.show_transaction(tx)
- if 'address' in qrcode:
- self.gui.main_window.payto_e.setText(qrcode['address'])
- if 'amount' in qrcode:
- self.gui.main_window.amount_e.setText(str(qrcode['amount']))
- if 'label' in qrcode:
- self.gui.main_window.message_e.setText(qrcode['label'])
- if 'message' in qrcode:
- 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':
if self.config.get("video_device") == "default":
self.video_device_edit.setText("")
else:
- self.video_device_edit.setText(self.config.get("video_device"))
+ self.video_device_edit.setText(self.config.get("video_device",''))
else:
custom_device_label.setVisible(False)
self.video_device_edit.setVisible(False)
return True
else:
return False
-
-
-
-def parse_uri(uri):
- if ':' not in uri:
- # It's just an address (not BIP21)
- return {'address': uri}
-
- if '//' not in uri:
- # Workaround for urlparse, it don't handle bitcoin: URI properly
- uri = uri.replace(':', '://')
-
- uri = urlparse(uri)
- result = {'address': uri.netloc}
-
- if uri.query.startswith('?'):
- params = parse_qs(uri.query[1:])
- else:
- params = parse_qs(uri.query)
-
- for k,v in params.items():
- if k in ('amount', 'label', 'message'):
- result[k] = v[0]
-
- return result
-
-
-
-
-
-if __name__ == '__main__':
- # Run some tests
-
- assert(parse_uri('1Marek48fwU7mugmSe186do2QpUkBnpzSN') ==
- {'address': '1Marek48fwU7mugmSe186do2QpUkBnpzSN'})
-
- assert(parse_uri('bitcoin://1Marek48fwU7mugmSe186do2QpUkBnpzSN') ==
- {'address': '1Marek48fwU7mugmSe186do2QpUkBnpzSN'})
-
- assert(parse_uri('bitcoin:1Marek48fwU7mugmSe186do2QpUkBnpzSN') ==
- {'address': '1Marek48fwU7mugmSe186do2QpUkBnpzSN'})
-
- assert(parse_uri('bitcoin:1Marek48fwU7mugmSe186do2QpUkBnpzSN?amount=10') ==
- {'amount': '10', 'address': '1Marek48fwU7mugmSe186do2QpUkBnpzSN'})
-
- assert(parse_uri('bitcoin:1Marek48fwU7mugmSe186do2QpUkBnpzSN?amount=10&label=slush&message=Small%20tip%20to%20slush') ==
- {'amount': '10', 'label': 'slush', 'message': 'Small tip to slush', 'address': '1Marek48fwU7mugmSe186do2QpUkBnpzSN'})
-
-