URI: 
       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)