1 from electrum.util import print_error
2 from electrum_gui.i18n import _
6 from urlparse import urlparse, parse_qs
10 sys.exit("Error: Could not import PyQt4 on Linux systems, you may try 'sudo apt-get install python-qt4'")
12 from PyQt4.QtGui import *
13 from PyQt4.QtCore import *
14 import PyQt4.QtCore as QtCore
15 import PyQt4.QtGui as QtGui
16 from electrum_gui import bmp, pyqrnative, BasePlugin
17 from electrum_gui.i18n import _
19 class Plugin(BasePlugin):
21 def __init__(self, gui):
22 self.target_host = 'labelectrum.herokuapp.com'
23 BasePlugin.__init__(self, gui, 'labels', _('Label Sync'),_('This plugin can sync your labels accross multiple Electrum installs by using a remote database to save your data. Labels are not encrypted, \
24 transactions and addresses are however. This code might increase the load of your wallet with a few micoseconds as it will sync labels on each startup.\n\n\
25 To get started visit http://labelectrum.herokuapp.com/ to sign up for an account.'))
27 self.wallet = gui.wallet
29 self.config = gui.config
30 self.labels = self.wallet.labels
31 self.transactions = self.wallet.transactions
33 self.wallet_id = hashlib.sha256(str(self.config.get("master_public_key"))).digest().encode('hex')
36 for k, account in self.wallet.accounts.items():
37 for address in account[0]:
38 addresses.append(address)
40 self.addresses = addresses
43 return self.config.get("plugin_label_api_key")
46 if self.is_enabled() and self.auth_token():
47 # If there is an auth token we can try to actually start syncing
50 def is_available(self):
53 def set_label(self, item,label, changed):
57 hashed = hashlib.sha256(item).digest().encode('hex')
58 bundle = {"label": {"external_id": hashed, "text": label}}
59 params = json.dumps(bundle)
60 connection = httplib.HTTPConnection(self.target_host)
61 connection.request("POST", ("/api/wallets/%s/labels.json?auth_token=%s" % (self.wallet_id, self.auth_token())), params, {'Content-Type': 'application/json'})
63 response = connection.getresponse()
64 if response.reason == httplib.responses[httplib.NOT_FOUND]:
66 response = json.loads(response.read())
68 def close_settings_dialog(self):
69 # When you enable the plugin for the first time this won't exist.
71 if hasattr(self, 'auth_token_edit'):
72 self.config.set_key("plugin_label_api_key", str(self.auth_token_edit.text()))
74 QMessageBox.information(None, _("Label sync loaded"), _("Please open the settings again to configure the label sync plugin."))
76 def create_settings_tab(self, tabs):
77 def check_for_api_key(api_key):
78 if api_key and len(api_key) > 12:
79 self.config.set_key("plugin_label_api_key", str(self.auth_token_edit.text()))
80 self.upload.setEnabled(True)
81 self.download.setEnabled(True)
83 self.upload.setEnabled(False)
84 self.download.setEnabled(False)
87 layout = QGridLayout(cloud_tab)
88 layout.addWidget(QLabel("API Key: "),0,0)
90 self.auth_token_edit = QLineEdit(self.auth_token())
91 self.auth_token_edit.textChanged.connect(check_for_api_key)
93 layout.addWidget(self.auth_token_edit, 0,1,1,2)
94 layout.addWidget(QLabel("Label sync options: "),1,0)
96 self.upload = QPushButton("Force upload")
97 self.upload.clicked.connect(self.full_push)
98 layout.addWidget(self.upload, 1,1)
100 self.download = QPushButton("Force download")
101 self.download.clicked.connect(lambda: self.full_pull(True))
102 layout.addWidget(self.download, 1,2)
104 check_for_api_key(self.auth_token())
106 tabs.addTab(cloud_tab, "Label sync")
109 if self.do_full_push():
110 QMessageBox.information(None, _("Labels synced"), _("Your labels have been uploaded."))
112 def full_pull(self, force = False):
113 if self.do_full_pull(force) and force:
114 QMessageBox.information(None, _("Labels synced"), _("Your labels have been synced, please restart Electrum for the changes to take effect."))
116 def do_full_push(self):
117 bundle = {"labels": {}}
118 for key, value in self.labels.iteritems():
119 hashed = hashlib.sha256(key).digest().encode('hex')
120 bundle["labels"][hashed] = value
122 params = json.dumps(bundle)
123 connection = httplib.HTTPConnection(self.target_host)
124 connection.request("POST", ("/api/wallets/%s/labels/batch.json?auth_token=%s" % (self.wallet_id, self.auth_token())), params, {'Content-Type': 'application/json'})
126 response = connection.getresponse()
127 if response.reason == httplib.responses[httplib.NOT_FOUND]:
130 response = json.loads(response.read())
131 except ValueError as e:
134 if "error" in response:
135 QMessageBox.warning(None, _("Error"),_("Could not sync labels: %s" % response["error"]))
140 def do_full_pull(self, force = False):
141 connection = httplib.HTTPConnection(self.target_host)
142 connection.request("GET", ("/api/wallets/%s/labels.json?auth_token=%s" % (self.wallet_id, self.auth_token())),"", {'Content-Type': 'application/json'})
143 response = connection.getresponse()
144 if response.reason == httplib.responses[httplib.NOT_FOUND]:
147 response = json.loads(response.read())
148 except ValueError as e:
151 if "error" in response:
152 QMessageBox.warning(None, _("Error"),_("Could not sync labels: %s" % response["error"]))
155 for label in response:
156 for key in self.addresses:
157 target_hashed = hashlib.sha256(key).digest().encode('hex')
158 if label["external_id"] == target_hashed:
159 if force or not self.labels.get(key):
160 self.labels[key] = label["text"]
161 for key, value in self.transactions.iteritems():
162 target_hashed = hashlib.sha256(key).digest().encode('hex')
163 if label["external_id"] == target_hashed:
164 if force or not self.labels.get(key):
165 self.labels[key] = label["text"]