You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
102 lines
3.9 KiB
102 lines
3.9 KiB
#!/usr/bin/env python
|
|
#
|
|
# Electrum - lightweight Bitcoin client
|
|
# Copyright (C) 2014 Thomas Voegtlin
|
|
#
|
|
# Permission is hereby granted, free of charge, to any person
|
|
# obtaining a copy of this software and associated documentation files
|
|
# (the "Software"), to deal in the Software without restriction,
|
|
# including without limitation the rights to use, copy, modify, merge,
|
|
# publish, distribute, sublicense, and/or sell copies of the Software,
|
|
# and to permit persons to whom the Software is furnished to do so,
|
|
# subject to the following conditions:
|
|
#
|
|
# The above copyright notice and this permission notice shall be
|
|
# included in all copies or substantial portions of the Software.
|
|
#
|
|
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
|
# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
|
# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
# SOFTWARE.
|
|
|
|
import base64
|
|
import urllib
|
|
import sys
|
|
import requests
|
|
|
|
from PyQt4.QtGui import QApplication, QPushButton
|
|
|
|
from electrum.plugins import BasePlugin, hook
|
|
from electrum.i18n import _
|
|
|
|
|
|
|
|
class Plugin(BasePlugin):
|
|
|
|
button_label = _("Verify GA instant")
|
|
|
|
@hook
|
|
def transaction_dialog(self, d):
|
|
d.verify_button = QPushButton(self.button_label)
|
|
d.verify_button.clicked.connect(lambda: self.do_verify(d))
|
|
d.buttons.insert(0, d.verify_button)
|
|
self.transaction_dialog_update(d)
|
|
|
|
def get_my_addr(self, d):
|
|
"""Returns the address for given tx which can be used to request
|
|
instant confirmation verification from GreenAddress"""
|
|
for addr, _ in d.tx.get_outputs():
|
|
if d.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):
|
|
d.verify_button.show()
|
|
else:
|
|
d.verify_button.hide()
|
|
|
|
def do_verify(self, d):
|
|
tx = d.tx
|
|
wallet = d.wallet
|
|
window = d.parent
|
|
# 1. get the password and sign the verification request
|
|
password = None
|
|
if wallet.use_encryption:
|
|
msg = _('GreenAddress requires your signature \n'
|
|
'to verify that transaction is instant.\n'
|
|
'Please enter your password to sign a\n'
|
|
'verification request.')
|
|
password = window.password_dialog(msg, parent=d)
|
|
if not password:
|
|
return
|
|
try:
|
|
d.verify_button.setText(_('Verifying...'))
|
|
QApplication.processEvents() # update the button label
|
|
|
|
addr = self.get_my_addr(d)
|
|
message = "Please verify if %s is GreenAddress instant confirmed" % tx.hash()
|
|
sig = wallet.sign_message(addr, message, password)
|
|
sig = base64.b64encode(sig)
|
|
|
|
# 2. send the request
|
|
response = requests.request("GET", ("https://greenaddress.it/verify/?signature=%s&txhash=%s" % (urllib.quote(sig), tx.hash())),
|
|
headers = {'User-Agent': 'Electrum'})
|
|
response = response.json()
|
|
|
|
# 3. display the result
|
|
if response.get('verified'):
|
|
d.show_message(_('%s is covered by GreenAddress instant confirmation') % (tx.hash()), title=_('Verification successful!'))
|
|
else:
|
|
d.show_critical(_('%s is not covered by GreenAddress instant confirmation') % (tx.hash()), title=_('Verification failed!'))
|
|
except BaseException as e:
|
|
import traceback
|
|
traceback.print_exc(file=sys.stdout)
|
|
d.show_error(str(e))
|
|
finally:
|
|
d.verify_button.setText(self.button_label)
|
|
|