tMerge branch 'greenaddress-greenaddress-instant' - electrum - Electrum Bitcoin wallet HTML git clone https://git.parazyd.org/electrum DIR Log DIR Files DIR Refs DIR Submodules --- DIR commit a8f0e4310f7c7c3e8061fc0e391ce18920f16457 DIR parent 635a25209972ded8322c236e2e1031dde28b0a96 HTML Author: ThomasV <thomasv@gitorious> Date: Thu, 4 Sep 2014 13:09:10 +0200 Merge branch 'greenaddress-greenaddress-instant' Diffstat: A plugins/greenaddress_instant.py | 111 ++++++++++++++++++++++++++++++ 1 file changed, 111 insertions(+), 0 deletions(-) --- DIR diff --git a/plugins/greenaddress_instant.py b/plugins/greenaddress_instant.py t@@ -0,0 +1,111 @@ +#!/usr/bin/env python +# +# Electrum - lightweight Bitcoin client +# Copyright (C) 2014 Thomas Voegtlin +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +import urllib +import httplib +import json +import sys + +from PyQt4.QtGui import QMessageBox, QApplication, QPushButton + +from electrum.account import BIP32_Account +from electrum import bitcoin, util +from electrum import transaction +from electrum.plugins import BasePlugin, hook +from electrum.i18n import _ +from electrum.bitcoin import regenerate_key + + +description = _("Allows validating if your transactions have instant confirmations by GreenAddress") + + +class Plugin(BasePlugin): + + button_label = _("Verify GA instant") + + def fullname(self): + return 'GreenAddress instant' + + def description(self): + return description + + @hook + def init_qt(self, gui): + self.win = gui.main_window + + @hook + def transaction_dialog(self, d): + self.wallet = d.wallet + self.verify_button = b = QPushButton(self.button_label) + b.clicked.connect(lambda: self.do_verify(d.tx)) + d.buttons.insertWidget(2, b) + self.transaction_dialog_update(d) + + def get_my_addr(self, tx): + """Returns the address for given tx which can be used to request + instant confirmation verification from GreenAddress""" + + for addr, _ in tx.get_outputs(): + if self.wallet.is_mine(addr): + return addr + return None + + @hook + def transaction_dialog_update(self, d): + if d.tx.is_complete() and self.get_my_addr(d.tx): + self.verify_button.show() + else: + self.verify_button.hide() + + def do_verify(self, tx): + # 1. get the password and sign the verification request + password = None + if self.wallet.use_encryption: + msg = _('GreenAddress requires your signature to verify that transaction is instant.\n' + 'Please enter your password to sign a verification request.') + password = self.win.password_dialog(msg) + if not password: + return + try: + self.verify_button.setText(_('Verifying...')) + QApplication.processEvents() # update the button label + + addr = self.get_my_addr(tx) + message = "Please verify if %s is GreenAddress instant confirmed" % tx.hash() + sig = self.wallet.sign_message(addr, message, password) + + # 2. send the request + connection = httplib.HTTPSConnection('greenaddress.it') + connection.request("GET", ("/verify/?signature=%s&txhash=%s" % (urllib.quote(sig), tx.hash())), + None, {'User-Agent': 'Electrum'}) + response = connection.getresponse() + response = json.loads(response.read()) + + # 3. display the result + if response.get('verified'): + QMessageBox.information(None, _('Verification successful!'), + _('%s is covered by GreenAddress instant confirmation') % (tx.hash()), _('OK')) + else: + QMessageBox.critical(None, _('Verification failed!'), + _('%s is not covered by GreenAddress instant confirmation') % (tx.hash()), _('OK')) + except BaseException as e: + import traceback + traceback.print_exc(file=sys.stdout) + QMessageBox.information(None, _('Error'), str(e), _('OK')) + finally: + self.verify_button.setText(self.button_label)