Fix merge conflict

.gitignore

@@ -4,4 +4,5 @@ lib/icons_rc.py
 build/
 dist/
 *.egg/
-/electrum.py
+/electrum.py
+contrib/pyinstaller/

MANIFEST.in

@@ -22,3 +22,5 @@ include scripts/servers
 include scripts/validate_tx
 include scripts/watch_address
 recursive-include data *
+recursive-include locale *.mo
+recursive-include docs *

RELEASE-NOTES

@@ -35,8 +35,7 @@ For an example, see Gavin's tutorial: https://gist.github.com/gavinandresen/3966
   1. user creates an unsigned transaction using the online (watching-only) wallet.
   2. unsigned transaction is copied to the offline computer, and signed by the offline wallet.
   3. signed transaction is copied to the online computer, broadcasted by the online client.
-
-* Raw transactions can also be loaded/signed/broadcasted via the GUI.
+  4. All these steps can be done via the command line interface or the classic GUI. 
 
 * Many command line commands have been renamed in order to make the syntax consistent with bitcoind.
 

contrib/build-wine/build-electrum-git.sh

@@ -58,7 +58,7 @@ $PYTHON "C:/pyinstaller/pyinstaller.py" --noconfirm --ascii -w --onefile "C:/ele
 $PYTHON "C:/pyinstaller/pyinstaller.py" --noconfirm --ascii -w deterministic.spec
 
 # For building NSIS installer, run:
-wine "$WINEPREFIX/drive_c/Program Files (x86)/NSIS/makensis.exe" electrum.nsis
+wine "$WINEPREFIX/drive_c/Program Files (x86)/NSIS/makensis.exe" electrum.nsi
 #wine $WINEPREFIX/drive_c/Program\ Files\ \(x86\)/NSIS/makensis.exe electrum.nsis
 
 DATE=`date +"%Y%m%d"`

contrib/build-wine/build-electrum.sh

@@ -40,7 +40,7 @@ $PYTHON "C:/pyinstaller/pyinstaller.py" --noconfirm --ascii -w --onefile "C:/ele
 $PYTHON "C:/pyinstaller/pyinstaller.py" --noconfirm --ascii -w deterministic.spec
 
 # For building NSIS installer, run:
-wine "$WINEPREFIX/drive_c/Program Files (x86)/NSIS/makensis.exe" electrum.nsis
+wine "$WINEPREFIX/drive_c/Program Files (x86)/NSIS/makensis.exe" electrum.nsi
 #wine $WINEPREFIX/drive_c/Program\ Files\ \(x86\)/NSIS/makensis.exe electrum.nsis
 
 cd dist

contrib/build-wine/deterministic.spec

@@ -1,24 +1,64 @@
 # -*- mode: python -*-
-a = Analysis(['C:/electrum/electrum'],
-             pathex=['Z:\\electrum-wine'],
-             hiddenimports=[],
-             excludes=['Tkinter'],
+
+# We don't put these files in to actually include them in the script but to make the Analysis method scan them for imports
+a = Analysis(['electrum', 'gui/gui_classic.py', 'gui/gui_lite.py', 'gui/gui_text.py',
+              'lib/util.py', 'lib/wallet.py', 'lib/simple_config.py',
+              'lib/bitcoin.py', 'lib/deserialize.py' 
+              ],
+             hiddenimports=["lib","gui"], 
+             pathex=['lib:gui:plugins'],
              hookspath=None)
-pyz = PYZ(a.pure, level=0)
+
+##### include mydir in distribution #######
+def extra_datas(mydir):
+    def rec_glob(p, files):
+        import os
+        import glob
+        for d in glob.glob(p):
+            if os.path.isfile(d):
+                files.append(d)
+            rec_glob("%s/*" % d, files)
+    files = []
+    rec_glob("%s/*" % mydir, files)
+    extra_datas = []
+    for f in files:
+        extra_datas.append((f, f, 'DATA'))
+
+    return extra_datas
+###########################################
+
+# append dirs
+
+# Theme data
+a.datas += extra_datas('data')
+
+# Localization
+a.datas += extra_datas('locale')
+
+# Py folders that are needed because of the magic import finding
+a.datas += extra_datas('gui')
+a.datas += extra_datas('lib')
+a.datas += extra_datas('plugins')
+
+pyz = PYZ(a.pure)
 exe = EXE(pyz,
           a.scripts,
           exclude_binaries=1,
           name=os.path.join('build\\pyi.win32\\electrum', 'electrum.exe'),
-          debug=False,
+          debug=True,
           strip=None,
-          upx=True,
-          console=False )
+          upx=False,
+          icon='icons/electrum.ico',
+          console=True)
+          # The console True makes an annoying black box pop up, but it does make Electrum accept command line options.
+
 coll = COLLECT(exe,
                a.binaries,
                a.zipfiles,
                a.datas,
                strip=None,
                upx=True,
+               debug=False,
+               icon='icons/electrum.ico',
+               console=True,
                name=os.path.join('dist', 'electrum'))
-app = BUNDLE(coll,
-             name=os.path.join('dist', 'electrum.app'))

contrib/build-wine/electrum.nsi

@@ -30,7 +30,7 @@
 ;--------------------------------
 ;Pages
 
-  !insertmacro MUI_PAGE_LICENSE "tmp/LICENCE"
+  ;!insertmacro MUI_PAGE_LICENSE "tmp/LICENCE"
   ;!insertmacro MUI_PAGE_COMPONENTS
   !insertmacro MUI_PAGE_DIRECTORY
   

contrib/build-wine/prepare-wine.sh

@@ -4,7 +4,7 @@
 PYTHON_URL=http://www.python.org/ftp/python/2.6.6/python-2.6.6.msi
 PYQT4_URL=http://sourceforge.net/projects/pyqt/files/PyQt4/PyQt-4.9.5/PyQt-Py2.6-x86-gpl-4.9.5-1.exe
 PYWIN32_URL=http://sourceforge.net/projects/pywin32/files/pywin32/Build%20218/pywin32-218.win32-py2.6.exe/download
-PYINSTALLER_URL=https://github.com/downloads/pyinstaller/pyinstaller/pyinstaller-2.0.zip
+PYINSTALLER_URL=http://downloads.sourceforge.net/project/pyinstaller/2.0/pyinstaller-2.0.zip
 NSIS_URL=http://prdownloads.sourceforge.net/nsis/nsis-2.46-setup.exe?download
 #ZBAR_URL=http://sourceforge.net/projects/zbar/files/zbar/0.10/zbar-0.10-setup.exe/download
 

electrum

@@ -34,20 +34,20 @@ except ImportError:
     sys.exit("Error: AES does not seem to be installed. Try 'sudo pip install slowaes'")
 
 
+is_local = os.path.dirname(os.path.realpath(__file__)) == os.getcwd()
 is_android = 'ANDROID_DATA' in os.environ
 
-# load local module as electrum
-if os.path.exists("lib") or is_android:
-    import imp
-    fp, pathname, description = imp.find_module('lib')
-    imp.load_module('electrum', fp, pathname, description)
-    fp, pathname, description = imp.find_module('gui')
-    imp.load_module('electrum_gui', fp, pathname, description)
+import __builtin__
+__builtin__.use_local_modules = is_local or is_android
 
+# load local module as electrum
+if __builtin__.use_local_modules:
+    import imp
+    imp.load_module('electrum', *imp.find_module('lib'))
+    imp.load_module('electrum_gui', *imp.find_module('gui'))
 
 from electrum import *
 
-
 # get password routine
 def prompt_password(prompt, confirm=True):
     import getpass
@@ -162,6 +162,7 @@ if __name__ == '__main__':
                 gui.show_seed()
 
         verifier = WalletVerifier(interface, config)
+        verifier.start()
         wallet.set_verifier(verifier)
         synchronizer = WalletSynchronizer(wallet, config)
         synchronizer.start()
@@ -181,7 +182,6 @@ if __name__ == '__main__':
             gui.password_dialog()
 
         wallet.save()
-        verifier.start()
         gui.main(url)
         wallet.save()
 
@@ -236,14 +236,16 @@ if __name__ == '__main__':
                 wallet.seed = None
                 wallet.init_sequence(str(seed))
             else:
-                wallet.seed = str(seed)
-                wallet.init_mpk( wallet.seed )
+                wallet.init_seed( str(seed) )
 
             if not options.offline:
                 interface = Interface(config)
-                interface.start(wait=True)
+                if not interface.start(wait=True):
+                    print_msg("Not connected, aborting.")
+                    sys.exit(1)
                 wallet.interface = interface
                 verifier = WalletVerifier(interface, config)
+                verifier.start()
                 wallet.set_verifier(verifier)
 
                 print_msg("Recovering wallet...")
@@ -345,7 +347,7 @@ if __name__ == '__main__':
         sys.exit(1)
 
     if max_args < 0:
-        if len(args) > min_args:
+        if len(args) > min_args + 1:
             message = ' '.join(args[min_args:])
             print_msg("Warning: Final argument was reconstructed from several arguments:", repr(message))
             args = args[0:min_args] + [ message ]
@@ -358,9 +360,12 @@ if __name__ == '__main__':
     if cmd not in offline_commands and not options.offline:
         interface = Interface(config)
         interface.register_callback('connected', lambda: sys.stderr.write("Connected to " + interface.connection_msg + "\n"))
-        interface.start()
+        if not interface.start(wait=True):
+            print_msg("Not connected, aborting.")
+            sys.exit(1)
         wallet.interface = interface
         verifier = WalletVerifier(interface, config)
+        verifier.start()
         wallet.set_verifier(verifier)
         synchronizer = WalletSynchronizer(wallet, config)
         synchronizer.start()

gui/__init__.py

@@ -1 +1,2 @@
 # do not remove this file
+from plugins import BasePlugin

gui/exchange_rate.py

@@ -36,7 +36,10 @@ class Exchanger(threading.Thread):
         response = connection.getresponse()
         if response.reason == httplib.responses[httplib.NOT_FOUND]:
             return
-        response = json.loads(response.read())
+        try:
+            response = json.loads(response.read())
+        except:
+            return
         quote_currencies = {}
         try:
             for r in response:

gui/gui_classic.py

@@ -61,8 +61,6 @@ elif platform.system() == 'Darwin':
 else:
     MONOSPACE_FONT = 'monospace'
 
-ALIAS_REGEXP = '^(|([\w\-\.]+)@)((\w[\w\-]+\.)+[\w\-]+)$'    
-
 from electrum import ELECTRUM_VERSION
 import re
 
@@ -226,7 +224,6 @@ class StatusBarButton(QPushButton):
 
 
 
-
 def waiting_dialog(f):
 
     s = Timer()
@@ -248,19 +245,35 @@ def waiting_dialog(f):
     w.destroy()
 
 
-def ok_cancel_buttons(dialog):
+def ok_cancel_buttons(dialog, ok_label=_("OK") ):
     hbox = QHBoxLayout()
     hbox.addStretch(1)
-    b = QPushButton("Cancel")
+    b = QPushButton(_("Cancel"))
     hbox.addWidget(b)
     b.clicked.connect(dialog.reject)
-    b = QPushButton("OK")
+    b = QPushButton(ok_label)
     hbox.addWidget(b)
     b.clicked.connect(dialog.accept)
     b.setDefault(True)
     return hbox
 
 
+def text_dialog(parent, title, label, ok_label):
+    dialog = QDialog(parent)
+    dialog.setMinimumWidth(500)
+    dialog.setWindowTitle(title)
+    dialog.setModal(1)
+    l = QVBoxLayout()
+    dialog.setLayout(l)
+    l.addWidget(QLabel(label))
+    txt = QTextEdit()
+    l.addWidget(txt)
+    l.addLayout(ok_cancel_buttons(dialog, ok_label))
+    if dialog.exec_():
+        return unicode(txt.toPlainText())
+
+
+
 default_column_widths = { "history":[40,140,350,140], "contacts":[350,330], 
 	"receive":[[370],[370,200,130]] }
 
@@ -327,46 +340,44 @@ class ElectrumWindow(QMainWindow):
         self.console.showMessage(self.wallet.banner)
 
         # plugins that need to change the GUI do it here
-        self.run_hook('init')
+        self.run_hook('init_gui')
 
 
     # plugins
     def init_plugins(self):
-        import imp, pkgutil
-        if os.path.exists("plugins"):
+        import imp, pkgutil, __builtin__
+        if __builtin__.use_local_modules:
             fp, pathname, description = imp.find_module('plugins')
+            plugin_names = [name for a, name, b in pkgutil.iter_modules([pathname])]
+            plugin_names = filter( lambda name: os.path.exists(os.path.join(pathname,name+'.py')), plugin_names)
             imp.load_module('electrum_plugins', fp, pathname, description)
-            plugin_names = [name for a, name, b in pkgutil.iter_modules(['plugins'])]
-            self.plugins = map(lambda name: imp.load_source('electrum_plugins.'+name, os.path.join(pathname,name+'.py')), plugin_names)
+            plugins = map(lambda name: imp.load_source('electrum_plugins.'+name, os.path.join(pathname,name+'.py')), plugin_names)
         else:
             import electrum_plugins
             plugin_names = [name for a, name, b in pkgutil.iter_modules(electrum_plugins.__path__)]
-            self.plugins = [ __import__('electrum_plugins.'+name, fromlist=['electrum_plugins']) for name in plugin_names]
+            plugins = [ __import__('electrum_plugins.'+name, fromlist=['electrum_plugins']) for name in plugin_names]
 
-        self.plugin_hooks = {}
-        for p in self.plugins:
+        self.plugins = []
+        for p in plugins:
             try:
-                p.init(self)
+                self.plugins.append( p.Plugin(self) )
             except:
                 print_msg("Error:cannot initialize plugin",p)
                 traceback.print_exc(file=sys.stdout)
 
-    def set_hook(self, name, callback):
-        h = self.plugin_hooks.get(name, [])
-        h.append(callback)
-        self.plugin_hooks[name] = h
-
-    def unset_hook(self, name, callback):
-        h = self.plugin_hooks.get(name,[])
-        if callback in h: h.remove(callback)
-        self.plugin_hooks[name] = h
-
-    def run_hook(self, name, args = ()):
-        args = (self,) + args
-        for cb in self.plugin_hooks.get(name,[]):
-            apply(cb, args)
 
+    def run_hook(self, name, *args):
+        for p in self.plugins:
+            if not p.is_enabled():
+                continue
+            try:
+                f = eval('p.'+name)
+            except:
+                continue
+            apply(f, args)
+        return
 
+        
     def set_label(self, name, text = None):
         changed = False
         old_text = self.wallet.labels.get(name)
@@ -378,8 +389,7 @@ class ElectrumWindow(QMainWindow):
             if old_text:
                 self.wallet.labels.pop(name)
                 changed = True
-        self.run_hook('set_label', (name, text, changed))
-
+        self.run_hook('set_label', name, text, changed)
         return changed
 
 
@@ -412,23 +422,6 @@ class ElectrumWindow(QMainWindow):
     def timer_actions(self):
         self.run_hook('timer_actions')
             
-        if self.payto_e.hasFocus():
-            return
-        r = unicode( self.payto_e.text() )
-        if r != self.previous_payto_e:
-            self.previous_payto_e = r
-            r = r.strip()
-            if re.match('^(|([\w\-\.]+)@)((\w[\w\-]+\.)+[\w\-]+)$', r):
-                try:
-                    to_address = self.wallet.get_alias(r, True, self.show_message, self.question)
-                except:
-                    return
-                if to_address:
-                    s = r + '  <' + to_address + '>'
-                    self.payto_e.setText(s)
-
-
-
     def update_status(self):
         if self.wallet.interface and self.wallet.interface.is_connected:
             if not self.wallet.up_to_date:
@@ -520,7 +513,7 @@ class ElectrumWindow(QMainWindow):
         vbox.addWidget(QLabel("Date: %s"%time_str))
         vbox.addWidget(QLabel("Status: %d confirmations"%conf))
         if is_mine:
-            if fee: 
+            if fee is not None: 
                 vbox.addWidget(QLabel("Amount sent: %s"% format_satoshis(v-fee, False)))
                 vbox.addWidget(QLabel("Transaction fee: %s"% format_satoshis(fee, False)))
             else:
@@ -577,10 +570,11 @@ class ElectrumWindow(QMainWindow):
 
     def address_label_clicked(self, item, column, l, column_addr, column_label):
         if column == column_label and item.isSelected():
+            is_editable = item.data(0, 32).toBool()
+            if not is_editable:
+                return
             addr = unicode( item.text(column_addr) )
             label = unicode( item.text(column_label) )
-            if label in self.wallet.aliases.keys():
-                return
             item.setFlags(Qt.ItemIsEditable|Qt.ItemIsSelectable | Qt.ItemIsUserCheckable | Qt.ItemIsEnabled | Qt.ItemIsDragEnabled)
             l.editItem( item, column )
             item.setFlags(Qt.ItemIsSelectable | Qt.ItemIsUserCheckable | Qt.ItemIsEnabled | Qt.ItemIsDragEnabled)
@@ -590,26 +584,22 @@ class ElectrumWindow(QMainWindow):
         if column == column_label:
             addr = unicode( item.text(column_addr) )
             text = unicode( item.text(column_label) )
-            changed = False
+            is_editable = item.data(0, 32).toBool()
+            if not is_editable:
+                return
 
-            if text in self.wallet.aliases.keys():
-                print_error("Error: This is one of your aliases")
-                label = self.wallet.labels.get(addr,'')
-                item.setText(column_label, QString(label))
-
-            else:
-                changed = self.set_label(addr, text)
-                if changed:
-                    self.update_history_tab()
-                    self.update_completions()
+            changed = self.set_label(addr, text)
+            if changed:
+                self.update_history_tab()
+                self.update_completions()
                 
             self.current_item_changed(item)
 
-        self.run_hook('item_changed', (item, column))
+        self.run_hook('item_changed', item, column)
 
 
     def current_item_changed(self, a):
-        self.run_hook('current_item_changed', (a,))
+        self.run_hook('current_item_changed', a)
 
 
 
@@ -755,7 +745,7 @@ class ElectrumWindow(QMainWindow):
         self.amount_e.textChanged.connect(lambda: entry_changed(False) )
         self.fee_e.textChanged.connect(lambda: entry_changed(True) )
 
-        self.run_hook('create_send_tab', (grid,))
+        self.run_hook('create_send_tab', grid)
         return w2
 
 
@@ -764,8 +754,8 @@ class ElectrumWindow(QMainWindow):
         for addr,label in self.wallet.labels.items():
             if addr in self.wallet.addressbook:
                 l.append( label + '  <' + addr + '>')
-        l = l + self.wallet.aliases.keys()
 
+        self.run_hook('update_completions', l)
         self.completions.setStringList(l)
 
 
@@ -780,19 +770,9 @@ class ElectrumWindow(QMainWindow):
         r = unicode( self.payto_e.text() )
         r = r.strip()
 
-        # alias
-        m1 = re.match(ALIAS_REGEXP, r)
         # label or alias, with address in brackets
-        m2 = re.match('(.*?)\s*\<([1-9A-HJ-NP-Za-km-z]{26,})\>', r)
-        
-        if m1:
-            to_address = self.wallet.get_alias(r, True, self.show_message, self.question)
-            if not to_address:
-                return
-        elif m2:
-            to_address = m2.group(2)
-        else:
-            to_address = r
+        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, _('Error'), _('Invalid Bitcoin Address') + ':\n' + to_address, _('OK'))
@@ -815,7 +795,7 @@ class ElectrumWindow(QMainWindow):
             self.show_message(str(e))
             return
 
-        self.run_hook('send_tx', (tx,))
+        self.run_hook('send_tx', tx)
 
         if label: 
             self.set_label(tx.hash(), label)
@@ -844,10 +824,19 @@ class ElectrumWindow(QMainWindow):
 
 
     def set_url(self, url):
-        payto, amount, label, message, signature, identity, url = self.wallet.parse_url(url, self.show_message, self.question)
+        address, amount, label, message, signature, identity, url = util.parse_url(url)
+
+        if label and self.wallet.labels.get(address) != label:
+            if self.question('Give label "%s" to address %s ?'%(label,address)):
+                if address not in self.wallet.addressbook and not self.wallet.is_mine(address):
+                    self.wallet.addressbook.append(address)
+                self.set_label(address, label)
+
+        self.run_hook('set_url', url, self.show_message, self.question)
+
         self.tabs.setCurrentIndex(1)
-        label = self.wallet.labels.get(payto)
-        m_addr = label + '  <'+ payto+'>' if label else payto
+        label = self.wallet.labels.get(address)
+        m_addr = label + '  <'+ address +'>' if label else address
         self.payto_e.setText(m_addr)
 
         self.message_e.setText(message)
@@ -1011,54 +1000,45 @@ class ElectrumWindow(QMainWindow):
             t = _("Unprioritize") if addr in self.wallet.prioritized_addresses else _("Prioritize")
             menu.addAction(t, lambda: self.toggle_priority(addr))
             
-        self.run_hook('receive_menu', (menu,))
+        self.run_hook('receive_menu', menu)
         menu.exec_(self.receive_list.viewport().mapToGlobal(position))
 
 
-    def payto(self, x, is_alias):
-        if not x: return
-        if is_alias:
-            label = x
-            m_addr = label
-        else:
-            addr = x
-            label = self.wallet.labels.get(addr)
-            m_addr = label + '  <' + addr + '>' if label else addr
+    def payto(self, addr):
+        if not addr: return
+        label = self.wallet.labels.get(addr)
+        m_addr = label + '  <' + addr + '>' if label else addr
         self.tabs.setCurrentIndex(1)
         self.payto_e.setText(m_addr)
         self.amount_e.setFocus()
 
-    def delete_contact(self, x, is_alias):
+
+    def delete_contact(self, x):
         if self.question(_("Do you want to remove")+" %s "%x +_("from your list of contacts?")):
-            if not is_alias and x in self.wallet.addressbook:
+            if x in self.wallet.addressbook:
                 self.wallet.addressbook.remove(x)
                 self.set_label(x, None)
-            elif is_alias and x in self.wallet.aliases:
-                self.wallet.aliases.pop(x)
-            self.update_history_tab()
-            self.update_contacts_tab()
-            self.update_completions()
+                self.update_history_tab()
+                self.update_contacts_tab()
+                self.update_completions()
+
 
     def create_contact_menu(self, position):
-        # fixme: this function apparently has a side effect.
-        # if it is not called the menu pops up several times
-        #self.contacts_list.selectedIndexes() 
-
         item = self.contacts_list.itemAt(position)
         if not item: return
         addr = unicode(item.text(0))
         label = unicode(item.text(1))
-        is_alias = label in self.wallet.aliases.keys()
-        x = label if is_alias else addr
+        is_editable = item.data(0,32).toBool()
+        payto_addr = item.data(0,33).toString()
         menu = QMenu()
         menu.addAction(_("Copy to Clipboard"), lambda: self.app.clipboard().setText(addr))
-        menu.addAction(_("Pay to"), lambda: self.payto(x, is_alias))
+        menu.addAction(_("Pay to"), lambda: self.payto(payto_addr))
         menu.addAction(_("QR code"), lambda: self.show_qrcode("bitcoin:" + addr, _("Address")))
-        if not is_alias:
+        if is_editable:
             menu.addAction(_("Edit label"), lambda: self.edit_label(False))
-        else:
-            menu.addAction(_("View alias details"), lambda: self.show_contact_details(label))
-        menu.addAction(_("Delete"), lambda: self.delete_contact(x,is_alias))
+            menu.addAction(_("Delete"), lambda: self.delete_contact(addr))
+
+        self.run_hook('create_contact_menu', menu, item)
         menu.exec_(self.contacts_list.viewport().mapToGlobal(position))
 
 
@@ -1068,7 +1048,7 @@ class ElectrumWindow(QMainWindow):
         label = self.wallet.labels.get(address,'')
         item.setData(1,0,label)
 
-        self.run_hook('update_receive_item', (address, item))
+        self.run_hook('update_receive_item', address, item)
                 
         c, u = self.wallet.get_addr_balance(address)
         balance = format_satoshis( c + u, False, self.wallet.num_zeros )
@@ -1114,13 +1094,12 @@ class ElectrumWindow(QMainWindow):
                 for address in account[is_change]:
                     h = self.wallet.history.get(address,[])
             
-                    if not is_change:
-                        if h == []:
-                            gap += 1
-                            if gap > self.wallet.gap_limit:
-                                is_red = True
-                        else:
-                            gap = 0
+                    if h == []:
+                        gap += 1
+                        if gap > self.wallet.gap_limit:
+                            is_red = True
+                    else:
+                        gap = 0
 
                     num_tx = '*' if h == ['*'] else "%d"%len(h)
                     item = QTreeWidgetItem( [ address, '', '', num_tx] )
@@ -1143,43 +1122,28 @@ class ElectrumWindow(QMainWindow):
         # we use column 1 because column 0 may be hidden
         l.setCurrentItem(l.topLevelItem(0),1)
 
-    def show_contact_details(self, m):
-        a = self.wallet.aliases.get(m)
-        if a:
-            if a[0] in self.wallet.authorities.keys():
-                s = self.wallet.authorities.get(a[0])
-            else:
-                s = "self-signed"
-            msg = _('Alias:')+' '+ m + '\n'+_('Target address:')+' '+ a[1] + '\n\n'+_('Signed by:')+' ' + s + '\n'+_('Signing address:')+' ' + a[0]
-            QMessageBox.information(self, 'Alias', msg, 'OK')
 
     def update_contacts_tab(self):
 
         l = self.contacts_list
         l.clear()
 
-        alias_targets = []
-        for alias, v in self.wallet.aliases.items():
-            s, target = v
-            alias_targets.append(target)
-            item = QTreeWidgetItem( [ target, alias, '-'] )
-            item.setBackgroundColor(0, QColor('lightgray'))
-            l.addTopLevelItem(item)
-            
         for address in self.wallet.addressbook:
-            if address in alias_targets: continue
             label = self.wallet.labels.get(address,'')
-            n = 0 
-            for tx in self.wallet.transactions.values():
-                if address in map(lambda x: x[0], tx.outputs): n += 1
-            
+            n = self.wallet.get_num_tx(address)
             item = QTreeWidgetItem( [ address, label, "%d"%n] )
             item.setFont(0, QFont(MONOSPACE_FONT))
+            # 32 = label can be edited (bool)
+            item.setData(0,32, True)
+            # 33 = payto string
+            item.setData(0,33, address)
             l.addTopLevelItem(item)
 
+        self.run_hook('update_contacts_tab', l)
         l.setCurrentItem(l.topLevelItem(0))
 
 
+
     def create_console_tab(self):
         from qt_console import Console
         self.console = console = Console()
@@ -1288,7 +1252,7 @@ class ElectrumWindow(QMainWindow):
         try:
             seed = self.wallet.decode_seed(password)
         except:
-            QMessageBox.warning(parent, _('Error'), _('Incorrect Password'), _('OK'))
+            QMessageBox.warning(self, _('Error'), _('Incorrect Password'), _('OK'))
             return
         self.show_seed(seed, self)
 
@@ -1518,8 +1482,9 @@ class ElectrumWindow(QMainWindow):
         vbox.addLayout(grid)
 
         vbox.addLayout(ok_cancel_buttons(d))
-        d.setLayout(vbox) 
+        d.setLayout(vbox)
 
+        self.run_hook('password_dialog', pw, grid, 1)
         if not d.exec_(): return
         return unicode(pw.text())
 
@@ -1595,20 +1560,22 @@ class ElectrumWindow(QMainWindow):
         d.setModal(1)
 
         vbox = QVBoxLayout()
-        msg = _("Please enter your wallet seed or the corresponding mnemonic list of words, and the gap limit of your wallet.")
+        msg = _("Please enter your wallet seed (or your master public key if you want to create a watching-only wallet)." + '\n')
         vbox.addWidget(QLabel(msg))
 
         grid = QGridLayout()
         grid.setSpacing(8)
 
         seed_e = QLineEdit()
-        grid.addWidget(QLabel(_('Seed or mnemonic')), 1, 0)
+        grid.addWidget(QLabel(_('Seed or master public key')), 1, 0)
         grid.addWidget(seed_e, 1, 1)
+        grid.addWidget(HelpButton(_("Your seed can be entered as a mnemonic (sequence of words), or as a hexadecimal string.")), 1, 3)
 
         gap_e = QLineEdit()
         gap_e.setText("5")
         grid.addWidget(QLabel(_('Gap limit')), 2, 0)
         grid.addWidget(gap_e, 2, 1)
+        grid.addWidget(HelpButton(_('Keep the default value unless you modified this parameter in your wallet.')), 2, 3)
         gap_e.textChanged.connect(lambda: numbify(gap_e,True))
         vbox.addLayout(grid)
 
@@ -1733,23 +1700,10 @@ class ElectrumWindow(QMainWindow):
             self.show_message("There was a problem sending your transaction:\n %s" % (result_message))
 
     def do_process_from_text(self):
-        dialog = QDialog(self)
-        dialog.setMinimumWidth(500)
-        dialog.setWindowTitle(_('Input raw transaction'))
-        dialog.setModal(1)
-        l = QVBoxLayout()
-        dialog.setLayout(l)
-        l.addWidget(QLabel(_("Transaction:")))
-        txt = QTextEdit()
-        l.addWidget(txt)
-
-        ok_button = QPushButton(_("Load transaction"))
-        ok_button.setDefault(True)
-        ok_button.clicked.connect(dialog.accept)
-        l.addWidget(ok_button)
-
-        dialog.exec_()
-        tx_dict = self.tx_dict_from_text(unicode(txt.toPlainText()))
+        text = text_dialog(self, _('Input raw transaction'), _("Transaction:"), _("Load transaction"))
+        if not text:
+            return
+        tx_dict = self.tx_dict_from_text(text)
         if tx_dict:
             self.create_process_transaction_window(tx_dict)
 
@@ -1832,7 +1786,7 @@ class ElectrumWindow(QMainWindow):
             for key, value in json.loads(data).items():
                 self.wallet.labels[key] = value
             self.wallet.save()
-            QMessageBox.information(None, _("Labels imported"), _("Your labels where imported from")+" '%s'" % str(labelsFile))
+            QMessageBox.information(None, _("Labels imported"), _("Your labels were imported from")+" '%s'" % str(labelsFile))
         except (IOError, os.error), reason:
             QMessageBox.critical(None, _("Unable to import labels"), _("Electrum was unable to import your labels.")+"\n" + str(reason))
             
@@ -1857,24 +1811,34 @@ class ElectrumWindow(QMainWindow):
     @protected
     def do_import_privkey(self, password):
         if not self.wallet.imported_keys:
-            r = QMessageBox.question(None, _('Warning'), _('Warning: Imported keys are not recoverable from seed.') + ' ' \
-                                         + _('If you ever need to restore your wallet from its seed, these keys will be lost.') + '\n\n' \
+            r = QMessageBox.question(None, _('Warning'), '<b>'+_('Warning') +':\n</b><br/>'+ _('Imported keys are not recoverable from seed.') + ' ' \
+                                         + _('If you ever need to restore your wallet from its seed, these keys will be lost.') + '<p>' \
+                                         + _('In addition, when you send bitcoins from one of your imported addresses, the "change" will be sent to an address derived from your seed, unless you disabled this option.') + '<p>' \
                                          + _('Are you sure you understand what you are doing?'), 3, 4)
             if r == 4: return
 
-        text, ok = QInputDialog.getText(self, _('Import private key'), _('Private Key') + ':')
-        if not ok: return
-        sec = str(text).strip()
-        try:
-            addr = self.wallet.import_key(sec, password)
-            if not addr:
-                QMessageBox.critical(None, _("Unable to import key"), "error")
+        text = text_dialog(self, _('Import private keys'), _("Enter private keys")+':', _("Import"))
+        if not text: return
+
+        text = str(text).split()
+        badkeys = []
+        addrlist = []
+        for key in text:
+            try:
+                addr = self.wallet.import_key(key, password)
+            except BaseException as e:
+                badkeys.append(key)
+                continue
+            if not addr: 
+                badkeys.append(key)
             else:
-                QMessageBox.information(None, _("Key imported"), addr)
-                self.update_receive_tab()
-                self.update_history_tab()
-        except BaseException as e:
-            QMessageBox.critical(None, _("Unable to import key"), str(e))
+                addrlist.append(addr)
+        if addrlist:
+            QMessageBox.information(self, _('Information'), _("The following addresses were added") + ':\n' + '\n'.join(addrlist))
+        if badkeys:
+            QMessageBox.critical(self, _('Error'), _("The following inputs could not be imported") + ':\n'+ '\n'.join(badkeys))
+        self.update_receive_tab()
+        self.update_history_tab()
 
 
     def settings_dialog(self):
@@ -2036,7 +2000,7 @@ class ElectrumWindow(QMainWindow):
             grid_plugins.setColumnStretch(0,1)
             tabs.addTab(tab5, _('Plugins') )
             def mk_toggle(cb, p):
-                return lambda: cb.setChecked(p.toggle(self))
+                return lambda: cb.setChecked(p.toggle())
             for i, p in enumerate(self.plugins):
                 try:
                     name, description = p.get_info()
@@ -2222,7 +2186,7 @@ class ElectrumWindow(QMainWindow):
             for p in protocol_letters:
                 i = protocol_letters.index(p)
                 j = server_protocol.model().index(i,0)
-                if p not in pp.keys():
+                if p not in pp.keys() and interface.is_connected:
                     server_protocol.model().setData(j, QtCore.QVariant(0), QtCore.Qt.UserRole-1)
                 else:
                     server_protocol.model().setData(j, QtCore.QVariant(0,False), QtCore.Qt.UserRole-1)

gui/gui_gtk.py

@@ -868,14 +868,14 @@ class ElectrumWindow:
                 self.show_message(tx_details)
             elif treeview == self.contacts_treeview:
                 m = self.addressbook_list.get_value( self.addressbook_list.get_iter(c), 0)
-                a = self.wallet.aliases.get(m)
-                if a:
-                    if a[0] in self.wallet.authorities.keys():
-                        s = self.wallet.authorities.get(a[0])
-                    else:
-                        s = "self-signed"
-                    msg = 'Alias: '+ m + '\nTarget address: '+ a[1] + '\n\nSigned by: ' + s + '\nSigning address:' + a[0]
-                    self.show_message(msg)
+                #a = self.wallet.aliases.get(m)
+                #if a:
+                #    if a[0] in self.wallet.authorities.keys():
+                #        s = self.wallet.authorities.get(a[0])
+                #    else:
+                #        s = "self-signed"
+                #    msg = 'Alias: '+ m + '\nTarget address: '+ a[1] + '\n\nSigned by: ' + s + '\nSigning address:' + a[0]
+                #    self.show_message(msg)
             
 
     def treeview_key_press(self, treeview, event):
@@ -890,14 +890,14 @@ class ElectrumWindow:
                 self.show_message(tx_details)
             elif treeview == self.contacts_treeview:
                 m = self.addressbook_list.get_value( self.addressbook_list.get_iter(c), 0)
-                a = self.wallet.aliases.get(m)
-                if a:
-                    if a[0] in self.wallet.authorities.keys():
-                        s = self.wallet.authorities.get(a[0])
-                    else:
-                        s = "self"
-                    msg = 'Alias:'+ m + '\n\nTarget: '+ a[1] + '\nSigned by: ' + s + '\nSigning address:' + a[0]
-                    self.show_message(msg)
+                #a = self.wallet.aliases.get(m)
+                #if a:
+                #    if a[0] in self.wallet.authorities.keys():
+                #        s = self.wallet.authorities.get(a[0])
+                #    else:
+                #        s = "self"
+                #    msg = 'Alias:'+ m + '\n\nTarget: '+ a[1] + '\nSigned by: ' + s + '\nSigning address:' + a[0]
+                #    self.show_message(msg)
 
         return False
 
@@ -1145,17 +1145,14 @@ class ElectrumWindow:
     def update_sending_tab(self):
         # detect addresses that are not mine in history, add them here...
         self.addressbook_list.clear()
-        for alias, v in self.wallet.aliases.items():
-            s, target = v
-            label = self.wallet.labels.get(alias)
-            self.addressbook_list.append((alias, label, '-'))
+        #for alias, v in self.wallet.aliases.items():
+        #    s, target = v
+        #    label = self.wallet.labels.get(alias)
+        #    self.addressbook_list.append((alias, label, '-'))
             
         for address in self.wallet.addressbook:
             label = self.wallet.labels.get(address)
-            n = 0 
-            for tx in self.wallet.transactions.values():
-                if address in map(lambda x:x[0], tx.outputs): n += 1
-
+            n = self.wallet.get_num_tx(address)
             self.addressbook_list.append((address, label, "%d"%n))
 
     def update_history_tab(self):
@@ -1176,7 +1173,7 @@ class ElectrumWindow:
 
             label, is_default_label = self.wallet.get_label(tx_hash)
             tooltip = tx_hash + "\n%d confirmations"%conf if tx_hash else ''
-            details = self.wallet.get_tx_details(tx_hash)
+            details = self.get_tx_details(tx_hash)
 
             self.history_list.prepend( [tx_hash, conf_icon, time_str, label, is_default_label,
                                         format_satoshis(value,True,self.wallet.num_zeros),
@@ -1184,6 +1181,40 @@ class ElectrumWindow:
         if cursor: self.history_treeview.set_cursor( cursor )
 
 
+    def get_tx_details(self, tx_hash):
+        import datetime
+        if not tx_hash: return ''
+        tx = self.wallet.transactions.get(tx_hash)
+        is_mine, v, fee = self.wallet.get_tx_value(tx)
+        conf, timestamp = self.wallet.verifier.get_confirmations(tx_hash)
+
+        if timestamp:
+            time_str = datetime.datetime.fromtimestamp(timestamp).isoformat(' ')[:-3]
+        else:
+            time_str = 'pending'
+
+        inputs = map(lambda x: x.get('address'), tx.inputs)
+        outputs = map(lambda x: x.get('address'), tx.d['outputs'])
+        tx_details = "Transaction Details" +"\n\n" \
+            + "Transaction ID:\n" + tx_hash + "\n\n" \
+            + "Status: %d confirmations\n"%conf
+        if is_mine:
+            if fee: 
+                tx_details += "Amount sent: %s\n"% format_satoshis(v-fee, False) \
+                              + "Transaction fee: %s\n"% format_satoshis(fee, False)
+            else:
+                tx_details += "Amount sent: %s\n"% format_satoshis(v, False) \
+                              + "Transaction fee: unknown\n"
+        else:
+            tx_details += "Amount received: %s\n"% format_satoshis(v, False) \
+
+        tx_details += "Date: %s\n\n"%time_str \
+            + "Inputs:\n-"+ '\n-'.join(inputs) + "\n\n" \
+            + "Outputs:\n-"+ '\n-'.join(outputs)
+
+        return tx_details
+
+
 
     def newaddress_dialog(self, w):
 

gui/plugins.py

@@ -0,0 +1,32 @@
+
+
+class BasePlugin:
+
+    def get_info(self):
+        return self.fullname, self.description
+
+    def __init__(self, gui, name, fullname, description):
+        self.name = name
+        self.fullname = fullname
+        self.description = description
+        self.gui = gui
+        self.config = gui.config
+
+    def toggle(self):
+        enabled = not self.is_enabled()
+        self.set_enabled(enabled)
+        self.init_gui()
+        return enabled
+    
+    def init_gui(self):
+        pass
+
+    def is_enabled(self):
+        return self.is_available() and self.config.get('use_'+self.name) is True
+
+    def is_available(self):
+        return True
+
+    def set_enabled(self, enabled):
+        self.config.set_key('use_'+self.name, enabled, True)
+

lib/bitcoin.py

@@ -364,10 +364,9 @@ random_seed = lambda n: "%032x"%ecdsa.util.randrange( pow(2,n) )
 
 def bip32_init(seed):
     import hmac
-        
+    seed = seed.decode('hex')        
     I = hmac.new("Bitcoin seed", seed, hashlib.sha512).digest()
 
-    print "seed", seed.encode('hex')
     master_secret = I[0:32]
     master_chain = I[32:]
 
@@ -415,8 +414,8 @@ def CKD_prime(K, c, n):
 class ElectrumSequence:
     """  Privatekey(type,n) = Master_private_key + H(n|S|type)  """
 
-    def __init__(self, master_public_key, mpk2 = None, mpk3 = None):
-        self.master_public_key = master_public_key
+    def __init__(self, mpk, mpk2 = None, mpk3 = None):
+        self.mpk = mpk
         self.mpk2 = mpk2
         self.mpk3 = mpk3
 
@@ -445,7 +444,7 @@ class ElectrumSequence:
             address = public_key_to_bc_address( pubkey.decode('hex') )
         elif not self.mpk3:
             pubkey1 = self.get_pubkey(sequence)
-            pubkey2 = self.get_pubkey(sequence, use_mpk2=True)
+            pubkey2 = self.get_pubkey(sequence, mpk = self.mpk2)
             address = Transaction.multisig_script([pubkey1, pubkey2], 2)["address"]
         else:
             pubkey1 = self.get_pubkey(sequence)
@@ -456,7 +455,7 @@ class ElectrumSequence:
 
     def get_pubkey(self, sequence, mpk=None):
         curve = SECP256k1
-        if mpk is None: mpk = self.master_public_key
+        if mpk is None: mpk = self.mpk
         z = self.get_sequence(sequence, mpk)
         master_public_key = ecdsa.VerifyingKey.from_string( mpk.decode('hex'), curve = SECP256k1 )
         pubkey_point = master_public_key.pubkey.point + z*curve.generator
@@ -465,7 +464,7 @@ class ElectrumSequence:
 
     def get_private_key_from_stretched_exponent(self, sequence, secexp):
         order = generator_secp256k1.order()
-        secexp = ( secexp + self.get_sequence(sequence, self.master_public_key) ) % order
+        secexp = ( secexp + self.get_sequence(sequence, self.mpk) ) % order
         pk = number_to_string( secexp, generator_secp256k1.order() )
         compressed = False
         return SecretToASecret( pk, compressed )
@@ -483,7 +482,7 @@ class ElectrumSequence:
         secexp = self.stretch_key(seed)
         master_private_key = ecdsa.SigningKey.from_secret_exponent( secexp, curve = SECP256k1 )
         master_public_key = master_private_key.get_verifying_key().to_string().encode('hex')
-        if master_public_key != self.master_public_key:
+        if master_public_key != self.mpk:
             print_error('invalid password (mpk)')
             raise BaseException('Invalid password')
         return True
@@ -499,8 +498,8 @@ class ElectrumSequence:
             redeemScript = Transaction.multisig_script([pubkey1, pubkey2], 2)['redeemScript']
         else:
             pubkey1 = self.get_pubkey(sequence)
-            pubkey2 = self.get_pubkey(sequence,mpk=self.mpk2)
-            pubkey3 = self.get_pubkey(sequence,mpk=self.mpk3)
+            pubkey2 = self.get_pubkey(sequence, mpk=self.mpk2)
+            pubkey3 = self.get_pubkey(sequence, mpk=self.mpk3)
             pk_addr = public_key_to_bc_address( pubkey1.decode('hex') ) # we need to return that address to get the right private key
             redeemScript = Transaction.multisig_script([pubkey1, pubkey2, pubkey3], 2)['redeemScript']
         return pk_addr, redeemScript
@@ -510,43 +509,71 @@ class ElectrumSequence:
 
 class BIP32Sequence:
 
-    def __init__(self, mpkc, mpkc2 = None):
-        self.master_public_key, self.master_chain = mpkc
-        if mpkc2:
-            self.master_public_key2, self.master_chain2 = mpkc2
-            self.is_p2sh = True
-        else:
-            self.is_p2sh = False
+    def __init__(self, mpk, mpk2 = None, mpk3 = None):
+        self.mpk = mpk
+        self.mpk2 = mpk2
+        self.mpk3 = mpk3
     
     @classmethod
     def mpk_from_seed(klass, seed):
         master_secret, master_chain, master_public_key, master_public_key_compressed = bip32_init(seed)
         return master_public_key.encode('hex'), master_chain.encode('hex')
 
-    def get_pubkey(self, sequence, use_mpk2=False):
-        if not use_mpl2:
-            K = self.master_public_key.decode('hex')
-            chain = self.master_chain.decode('hex')
-        else:
-            K = self.master_public_key_2.decode('hex')
-            chain = self.master_chain_2.decode('hex')
+    def get_pubkey(self, sequence, mpk = None):
+        if not mpk: mpk = self.mpk
+        master_public_key, master_chain = self.mpk
+        K = master_public_key.decode('hex')
+        chain = master_chain.decode('hex')
         for i in sequence:
             K, K_compressed, chain = CKD_prime(K, chain, i)
-        return K_compressed
+        return K_compressed.encode('hex')
 
     def get_address(self, sequence):
-        return hash_160_to_bc_address(hash_160(self.get_pubkey(sequence)))
+        if not self.mpk2:
+            pubkey = self.get_pubkey(sequence)
+            address = public_key_to_bc_address( pubkey.decode('hex') )
+        elif not self.mpk3:
+            pubkey1 = self.get_pubkey(sequence)
+            pubkey2 = self.get_pubkey(sequence, mpk = self.mpk2)
+            address = Transaction.multisig_script([pubkey1, pubkey2], 2)["address"]
+        else:
+            pubkey1 = self.get_pubkey(sequence)
+            pubkey2 = self.get_pubkey(sequence, mpk = self.mpk2)
+            pubkey3 = self.get_pubkey(sequence, mpk = self.mpk3)
+            address = Transaction.multisig_script([pubkey1, pubkey2, pubkey3], 2)["address"]
+        return address
 
-    def get_private_key(self, seed, sequence):
-        k = self.master_secret
-        chain = self.master_chain
+    def get_private_key(self, sequence, seed):
+        master_secret, master_chain, master_public_key, master_public_key_compressed = bip32_init(seed)
+        chain = master_chain
+        k = master_secret
         for i in sequence:
-            k, k_compressed, chain = CKD(k, chain, i)
-        return SecretToASecret(k0, True)
+            k, chain = CKD(k, chain, i)
+        return SecretToASecret(k, True)
+
+    def get_private_keys(self, sequence_list, seed):
+        return [ self.get_private_key( sequence, seed) for sequence in sequence_list]
 
     def check_seed(self, seed):
         master_secret, master_chain, master_public_key, master_public_key_compressed = bip32_init(seed)
-        assert self.master_public_key == master_public_key
+        assert self.mpk == (master_public_key.encode('hex'), master_chain.encode('hex'))
+
+    def get_input_info(self, sequence):
+        if not self.mpk2:
+            pk_addr = self.get_address(sequence)
+            redeemScript = None
+        elif not self.mpk3:
+            pubkey1 = self.get_pubkey(sequence)
+            pubkey2 = self.get_pubkey(sequence, mpk=self.mpk2)
+            pk_addr = public_key_to_bc_address( pubkey1.decode('hex') ) # we need to return that address to get the right private key
+            redeemScript = Transaction.multisig_script([pubkey1, pubkey2], 2)['redeemScript']
+        else:
+            pubkey1 = self.get_pubkey(sequence)
+            pubkey2 = self.get_pubkey(sequence, mpk=self.mpk2)
+            pubkey3 = self.get_pubkey(sequence, mpk=self.mpk3)
+            pk_addr = public_key_to_bc_address( pubkey1.decode('hex') ) # we need to return that address to get the right private key
+            redeemScript = Transaction.multisig_script([pubkey1, pubkey2, pubkey3], 2)['redeemScript']
+        return pk_addr, redeemScript
 
 ################################## transactions
 
@@ -842,7 +869,7 @@ class Transaction:
 
 
 def test_bip32():
-    seed = "ff000000000000000000000000000000".decode('hex')
+    seed = "ff000000000000000000000000000000"
     master_secret, master_chain, master_public_key, master_public_key_compressed = bip32_init(seed)
         
     print "secret key", master_secret.encode('hex')

lib/commands.py

@@ -82,9 +82,10 @@ class Commands:
         self.wallet = wallet
         self.interface = interface
         self._callback = callback
+        self.password = None
 
     def _run(self, method, args, password_getter):
-        if method in protected_commands:
+        if method in protected_commands and self.wallet.use_encryption:
             self.password = apply(password_getter,())
         f = eval('self.'+method)
         result = apply(f,args)

lib/deserialize.py

@@ -3,6 +3,7 @@
 #
 
 from bitcoin import public_key_to_bc_address, hash_160_to_bc_address, hash_encode, hash_160
+from util import print_error
 #import socket
 import time
 import struct
@@ -356,7 +357,8 @@ def get_address_from_input_script(bytes):
             pubkeys = [ dec2[1][1].encode('hex'), dec2[2][1].encode('hex'), dec2[3][1].encode('hex') ]
             return pubkeys, signatures, hash_160_to_bc_address(hash_160(redeemScript), 5)
 
-    raise BaseException("no match for scriptsig")
+    print_error("cannot find address in input script", bytes.encode('hex'))
+    return [], [], "(None)"
 
 
 

lib/interface.py

@@ -595,8 +595,8 @@ class Interface(threading.Thread):
             # wait until connection is established
             self.connect_event.wait()
             if not self.is_connected:
-                print_msg("Not connected, aborting.")
-                sys.exit(1)
+                return False
+        return True
 
     def run(self):
         while True:

lib/util.py

@@ -1,4 +1,4 @@
-import os, sys
+import os, sys, re
 import platform
 import shutil
 from datetime import datetime
@@ -147,3 +147,36 @@ def age(from_date, since_date = None, target_tz=None, include_seconds=False):
         return "about 1 year ago"
     else:
         return "over %d years ago" % (round(distance_in_minutes / 525600))
+
+
+
+
+# URL decode
+_ud = re.compile('%([0-9a-hA-H]{2})', re.MULTILINE)
+urldecode = lambda x: _ud.sub(lambda m: chr(int(m.group(1), 16)), x)
+
+def parse_url(url):
+    o = url[8:].split('?')
+    address = o[0]
+    if len(o)>1:
+        params = o[1].split('&')
+    else:
+        params = []
+
+    amount = label = message = signature = identity = ''
+    for p in params:
+        k,v = p.split('=')
+        uv = urldecode(v)
+        if k == 'amount': amount = uv
+        elif k == 'message': message = uv
+        elif k == 'label': label = uv
+        elif k == 'signature':
+            identity, signature = uv.split(':')
+            url = url.replace('&%s=%s'%(k,v),'')
+        else: 
+            print k,v
+
+    return address, amount, label, message, signature, identity, url
+
+
+

lib/verifier.py

@@ -49,14 +49,10 @@ class WalletVerifier(threading.Thread):
     def get_confirmations(self, tx):
         """ return the number of confirmations of a monitored transaction. """
         with self.lock:
-            if tx in self.transactions.keys():
-                if tx in self.verified_tx:
-                    height, timestamp = self.verified_tx[tx]
-                    conf = (self.local_height - height + 1)
-                else:
-                    conf = -1
+            if tx in self.verified_tx:
+                height, timestamp = self.verified_tx[tx]
+                conf = (self.local_height - height + 1)
             else:
-                #print "verifier: tx not in list", tx
                 conf = 0
 
             if conf <= 0:
@@ -65,6 +61,13 @@ class WalletVerifier(threading.Thread):
         return conf, timestamp
 
 
+    def get_height(self, tx_hash):
+        with self.lock:
+            v = self.verified_tx.get(tx_hash)
+        height = v[0] if v else None
+        return height
+
+
     def add(self, tx_hash, tx_height):
         """ add a transaction to the list of monitored transactions. """
         assert tx_height > 0
@@ -145,6 +148,10 @@ class WalletVerifier(threading.Thread):
                 continue
             if not r: continue
 
+            if r.get('error'):
+                print_error('Verifier received an error:', r)
+                continue
+
             # 3. handle response
             method = r['method']
             params = r['params']
@@ -183,7 +190,8 @@ class WalletVerifier(threading.Thread):
         # we passed all the tests
         header = self.read_header(tx_height)
         timestamp = header.get('timestamp')
-        self.verified_tx[tx_hash] = (tx_height, timestamp)
+        with self.lock:
+            self.verified_tx[tx_hash] = (tx_height, timestamp)
         print_error("verified %s"%tx_hash)
         self.config.set_key('verified_tx2', self.verified_tx, True)
         self.interface.trigger_callback('updated')
@@ -241,12 +249,16 @@ class WalletVerifier(threading.Thread):
             # this can be caused by a reorg.
             print_error("verify header failed"+ repr(header))
             # undo verifications
-            for tx_hash, item in self.verified_tx.items():
+            with self.lock:
+                items = self.verified_tx.items()[:]
+            for tx_hash, item in items:
                 tx_height, timestamp = item
                 if tx_height >= height:
                     print_error("redoing", tx_hash)
-                    self.verified_tx.pop(tx_hash)
-                    if tx_hash in self.merkle_roots: self.merkle_roots.pop(tx_hash)
+                    with self.lock:
+                        self.verified_tx.pop(tx_hash)
+                        if tx_hash in self.merkle_roots:
+                            self.merkle_roots.pop(tx_hash)
             # return False to request previous header.
             return False
 

lib/wallet.py

@@ -33,9 +33,6 @@ import time
 from util import print_msg, print_error, user_dir, format_satoshis
 from bitcoin import *
 
-# URL decode
-_ud = re.compile('%([0-9a-hA-H]{2})', re.MULTILINE)
-urldecode = lambda x: _ud.sub(lambda m: chr(int(m.group(1), 16)), x)
 
 # AES encryption
 EncodeAES = lambda secret, s: base64.b64encode(aes.encryptData(secret,s))
@@ -82,19 +79,16 @@ class Wallet:
         self.use_encryption        = config.get('use_encryption', False)
         self.seed                  = config.get('seed', '')               # encrypted
         self.labels                = config.get('labels', {})
-        self.aliases               = config.get('aliases', {})            # aliases for addresses
-        self.authorities           = config.get('authorities', {})        # trusted addresses
         self.frozen_addresses      = config.get('frozen_addresses',[])
         self.prioritized_addresses = config.get('prioritized_addresses',[])
-        self.receipts              = config.get('receipts',{})            # signed URIs
         self.addressbook           = config.get('contacts', [])
         self.imported_keys         = config.get('imported_keys',{})
         self.history               = config.get('addr_history',{})        # address -> list(txid, height)
-        self.tx_height             = config.get('tx_height',{})
         self.accounts              = config.get('accounts', {})   # this should not include public keys
 
+        self.SequenceClass = ElectrumSequence
         self.sequences = {}
-        self.sequences[0] = ElectrumSequence(self.config.get('master_public_key'))
+        self.sequences[0] = self.SequenceClass(self.config.get('master_public_key'))
 
         if self.accounts.get(0) is None:
             self.accounts[0] = { 0:[], 1:[], 'name':'Main account' }
@@ -161,13 +155,13 @@ class Wallet:
         self.seed = seed 
         self.config.set_key('seed', self.seed, True)
         self.config.set_key('seed_version', self.seed_version, True)
-        mpk = ElectrumSequence.mpk_from_seed(self.seed)
+        mpk = self.SequenceClass.mpk_from_seed(self.seed)
         self.init_sequence(mpk)
 
 
     def init_sequence(self, mpk):
         self.config.set_key('master_public_key', mpk, True)
-        self.sequences[0] = ElectrumSequence(mpk)
+        self.sequences[0] = self.SequenceClass(mpk)
         self.accounts[0] = { 0:[], 1:[], 'name':'Main account' }
         self.config.set_key('accounts', self.accounts, True)
 
@@ -184,8 +178,8 @@ class Wallet:
         return address in self.addresses(True)
 
     def is_change(self, address):
-        #return address in self.change_addresses
-        return False
+        acct, s = self.get_address_index(address)
+        return s[0] == 1
 
     def get_master_public_key(self):
         return self.sequences[0].master_public_key
@@ -302,6 +296,7 @@ class Wallet:
         address = self.get_new_address( account, for_change, n)
         self.accounts[account][for_change].append(address)
         self.history[address] = []
+        print_msg(address)
         return address
         
 
@@ -412,6 +407,12 @@ class Wallet:
         # redo labels
         # self.update_tx_labels()
 
+    def get_num_tx(self, address):
+        n = 0 
+        for tx in self.transactions.values():
+            if address in map(lambda x:x[0], tx.outputs): n += 1
+        return n
+
 
     def get_address_flags(self, addr):
         flags = "C" if self.is_change(addr) else "I" if addr in self.imported_keys.keys() else "-" 
@@ -424,46 +425,6 @@ class Wallet:
         return tx.get_value(addresses, self.prevout_values)
 
 
-    def get_tx_details(self, tx_hash):
-        import datetime
-        if not tx_hash: return ''
-        tx = self.transactions.get(tx_hash)
-        is_mine, v, fee = self.get_tx_value(tx)
-        conf, timestamp = self.verifier.get_confirmations(tx_hash)
-
-        if timestamp:
-            time_str = datetime.datetime.fromtimestamp(timestamp).isoformat(' ')[:-3]
-        else:
-            time_str = 'pending'
-
-        inputs = map(lambda x: x.get('address'), tx.inputs)
-        outputs = map(lambda x: x.get('address'), tx.d['outputs'])
-        tx_details = "Transaction Details" +"\n\n" \
-            + "Transaction ID:\n" + tx_hash + "\n\n" \
-            + "Status: %d confirmations\n"%conf
-        if is_mine:
-            if fee: 
-                tx_details += "Amount sent: %s\n"% format_satoshis(v-fee, False) \
-                              + "Transaction fee: %s\n"% format_satoshis(fee, False)
-            else:
-                tx_details += "Amount sent: %s\n"% format_satoshis(v, False) \
-                              + "Transaction fee: unknown\n"
-        else:
-            tx_details += "Amount received: %s\n"% format_satoshis(v, False) \
-
-        tx_details += "Date: %s\n\n"%time_str \
-            + "Inputs:\n-"+ '\n-'.join(inputs) + "\n\n" \
-            + "Outputs:\n-"+ '\n-'.join(outputs)
-
-        r = self.receipts.get(tx_hash)
-        if r:
-            tx_details += "\n_______________________________________" \
-                + '\n\nSigned URI: ' + r[2] \
-                + "\n\nSigned by: " + r[0] \
-                + '\n\nSignature: ' + r[1]
-
-        return tx_details
-
     
     def update_tx_outputs(self, tx_hash):
         tx = self.transactions.get(tx_hash)
@@ -566,6 +527,7 @@ class Wallet:
             if h == ['*']: continue
             for tx_hash, tx_height in h:
                 tx = self.transactions.get(tx_hash)
+                if tx is None: raise BaseException("Wallet not synchronized")
                 for output in tx.d.get('outputs'):
                     if output.get('address') != addr: continue
                     key = tx_hash + ":%d" % output.get('index')
@@ -640,11 +602,12 @@ class Wallet:
     def receive_tx_callback(self, tx_hash, tx, tx_height):
 
         if not self.check_new_tx(tx_hash, tx):
-            raise BaseException("error: received transaction is not consistent with history", tx_hash)
+            # may happen due to pruning
+            print_error("received transaction that is no longer referenced in history", tx_hash)
+            return
 
         with self.lock:
             self.transactions[tx_hash] = tx
-            self.tx_height[tx_hash] = tx_height
 
         #tx_height = tx.get('height')
         if self.verifier and tx_height>0: 
@@ -669,17 +632,12 @@ class Wallet:
                 if tx_height>0:
                     # add it in case it was previously unconfirmed
                     if self.verifier: self.verifier.add(tx_hash, tx_height)
-                    # set the height in case it changed
-                    txh = self.tx_height.get(tx_hash)
-                    if txh is not None and txh != tx_height:
-                        print_error( "changing height for tx", tx_hash )
-                        self.tx_height[tx_hash] = tx_height
 
 
     def get_tx_history(self):
         with self.lock:
             history = self.transactions.items()
-        history.sort(key = lambda x: self.tx_height.get(x[0]) if self.tx_height.get(x[0]) else 1e12)
+        history.sort(key = lambda x: self.verifier.get_height(x[0]) if self.verifier.get_height(x[0]) else 1e12)
         result = []
     
         balance = 0
@@ -724,6 +682,9 @@ class Wallet:
                             default_label = self.labels[o_addr]
                         except KeyError:
                             default_label = o_addr
+                        break
+                else:
+                    default_label = '(internal)'
             else:
                 for o in tx.outputs:
                     o_addr, _ = o
@@ -812,48 +773,6 @@ class Wallet:
         return True, out
 
 
-    def read_alias(self, alias):
-        # this might not be the right place for this function.
-        import urllib
-
-        m1 = re.match('([\w\-\.]+)@((\w[\w\-]+\.)+[\w\-]+)', alias)
-        m2 = re.match('((\w[\w\-]+\.)+[\w\-]+)', alias)
-        if m1:
-            url = 'https://' + m1.group(2) + '/bitcoin.id/' + m1.group(1) 
-        elif m2:
-            url = 'https://' + alias + '/bitcoin.id'
-        else:
-            return ''
-        try:
-            lines = urllib.urlopen(url).readlines()
-        except:
-            return ''
-
-        # line 0
-        line = lines[0].strip().split(':')
-        if len(line) == 1:
-            auth_name = None
-            target = signing_addr = line[0]
-        else:
-            target, auth_name, signing_addr, signature = line
-            msg = "alias:%s:%s:%s"%(alias,target,auth_name)
-            print msg, signature
-            EC_KEY.verify_message(signing_addr, signature, msg)
-        
-        # other lines are signed updates
-        for line in lines[1:]:
-            line = line.strip()
-            if not line: continue
-            line = line.split(':')
-            previous = target
-            print repr(line)
-            target, signature = line
-            EC_KEY.verify_message(previous, signature, "alias:%s:%s"%(alias,target))
-
-        if not is_valid(target):
-            raise ValueError("Invalid bitcoin address")
-
-        return target, signing_addr, auth_name
 
     def update_password(self, seed, old_password, new_password):
         if new_password == '': new_password = None
@@ -867,96 +786,6 @@ class Wallet:
             self.imported_keys[k] = c
         self.save()
 
-    def get_alias(self, alias, interactive = False, show_message=None, question = None):
-        try:
-            target, signing_address, auth_name = self.read_alias(alias)
-        except BaseException, e:
-            # raise exception if verify fails (verify the chain)
-            if interactive:
-                show_message("Alias error: " + str(e))
-            return
-
-        print target, signing_address, auth_name
-
-        if auth_name is None:
-            a = self.aliases.get(alias)
-            if not a:
-                msg = "Warning: the alias '%s' is self-signed.\nThe signing address is %s.\n\nDo you want to add this alias to your list of contacts?"%(alias,signing_address)
-                if interactive and question( msg ):
-                    self.aliases[alias] = (signing_address, target)
-                else:
-                    target = None
-            else:
-                if signing_address != a[0]:
-                    msg = "Warning: the key of alias '%s' has changed since your last visit! It is possible that someone is trying to do something nasty!!!\nDo you accept to change your trusted key?"%alias
-                    if interactive and question( msg ):
-                        self.aliases[alias] = (signing_address, target)
-                    else:
-                        target = None
-        else:
-            if signing_address not in self.authorities.keys():
-                msg = "The alias: '%s' links to %s\n\nWarning: this alias was signed by an unknown key.\nSigning authority: %s\nSigning address: %s\n\nDo you want to add this key to your list of trusted keys?"%(alias,target,auth_name,signing_address)
-                if interactive and question( msg ):
-                    self.authorities[signing_address] = auth_name
-                else:
-                    target = None
-
-        if target:
-            self.aliases[alias] = (signing_address, target)
-            
-        return target
-
-
-    def parse_url(self, url, show_message, question):
-        o = url[8:].split('?')
-        address = o[0]
-        if len(o)>1:
-            params = o[1].split('&')
-        else:
-            params = []
-
-        amount = label = message = signature = identity = ''
-        for p in params:
-            k,v = p.split('=')
-            uv = urldecode(v)
-            if k == 'amount': amount = uv
-            elif k == 'message': message = uv
-            elif k == 'label': label = uv
-            elif k == 'signature':
-                identity, signature = uv.split(':')
-                url = url.replace('&%s=%s'%(k,v),'')
-            else: 
-                print k,v
-
-        if label and self.labels.get(address) != label:
-            if question('Give label "%s" to address %s ?'%(label,address)):
-                if address not in self.addressbook and not self.is_mine(address):
-                    self.addressbook.append(address)
-                self.labels[address] = label
-
-        if signature:
-            if re.match('^(|([\w\-\.]+)@)((\w[\w\-]+\.)+[\w\-]+)$', identity):
-                signing_address = self.get_alias(identity, True, show_message, question)
-            elif is_valid(identity):
-                signing_address = identity
-            else:
-                signing_address = None
-            if not signing_address:
-                return
-            try:
-                EC_KEY.verify_message(signing_address, signature, url )
-                self.receipt = (signing_address, signature, url)
-            except:
-                show_message('Warning: the URI contains a bad signature.\nThe identity of the recipient cannot be verified.')
-                address = amount = label = identity = message = ''
-
-        if re.match('^(|([\w\-\.]+)@)((\w[\w\-]+\.)+[\w\-]+)$', address):
-            payto_address = self.get_alias(address, True, show_message, question)
-            if payto_address:
-                address = address + ' <' + payto_address + '>'
-
-        return address, amount, label, message, signature, identity, url
-
 
 
     def freeze(self,addr):
@@ -1007,15 +836,11 @@ class Wallet:
             'labels': self.labels,
             'contacts': self.addressbook,
             'imported_keys': self.imported_keys,
-            'aliases': self.aliases,
-            'authorities': self.authorities,
-            'receipts': self.receipts,
             'num_zeros': self.num_zeros,
             'frozen_addresses': self.frozen_addresses,
             'prioritized_addresses': self.prioritized_addresses,
             'gap_limit': self.gap_limit,
             'transactions': tx,
-            'tx_height': self.tx_height,
         }
         for k, v in s.items():
             self.config.set_key(k,v)
@@ -1024,17 +849,6 @@ class Wallet:
     def set_verifier(self, verifier):
         self.verifier = verifier
 
-        # review stored transactions and send them to the verifier
-        # (they are not necessarily in the history, because history items might have have been pruned)
-        for tx_hash, tx in self.transactions.items():
-            tx_height = self.tx_height[tx_hash]
-            if tx_height <1:
-                print_error( "skipping", tx_hash, tx_height )
-                continue
-            
-            if tx_height>0:
-                self.verifier.add(tx_hash, tx_height)
-
         # review transactions that are in the history
         for addr, hist in self.history.items():
             if hist == ['*']: continue
@@ -1042,11 +856,6 @@ class Wallet:
                 if tx_height>0:
                     # add it in case it was previously unconfirmed
                     self.verifier.add(tx_hash, tx_height)
-                    # set the height in case it changed
-                    txh = self.tx_height.get(tx_hash)
-                    if txh is not None and txh != tx_height:
-                        print_error( "changing height for tx", tx_hash )
-                        self.tx_height[tx_hash] = tx_height
 
 
 
@@ -1082,7 +891,7 @@ class Wallet:
                 if not tx: continue
                 
                 # already verified?
-                if self.tx_height.get(tx_hash):
+                if self.verifier.get_height(tx_hash):
                     continue
                 # unconfirmed tx
                 print_error("new history is orphaning transaction:", tx_hash)
@@ -1099,7 +908,6 @@ class Wallet:
                     for item in h:
                         if item.get('tx_hash') == tx_hash:
                             height = item.get('height')
-                            self.tx_height[tx_hash] = height
                 if height:
                     print_error("found height for", tx_hash, height)
                     self.verifier.add(tx_hash, height)
@@ -1155,22 +963,6 @@ class WalletSynchronizer(threading.Thread):
     def is_running(self):
         with self.lock: return self.running
 
-    def synchronize_wallet(self):
-        new_addresses = self.wallet.synchronize()
-        if new_addresses:
-            self.subscribe_to_addresses(new_addresses)
-            self.wallet.up_to_date = False
-            return
-            
-        if not self.interface.is_up_to_date('synchronizer'):
-            if self.wallet.is_up_to_date():
-                self.wallet.set_up_to_date(False)
-                self.was_updated = True
-            return
-
-        self.wallet.set_up_to_date(True)
-        self.was_updated = True
-
     
     def subscribe_to_addresses(self, addresses):
         messages = []
@@ -1202,15 +994,30 @@ class WalletSynchronizer(threading.Thread):
         self.subscribe_to_addresses(self.wallet.addresses(True))
 
         while self.is_running():
-            # 1. send new requests
-            self.synchronize_wallet()
+            # 1. create new addresses
+            new_addresses = self.wallet.synchronize()
 
+            # request missing addresses
+            if new_addresses:
+                self.subscribe_to_addresses(new_addresses)
+
+            # request missing transactions
             for tx_hash, tx_height in missing_tx:
                 if (tx_hash, tx_height) not in requested_tx:
                     self.interface.send([ ('blockchain.transaction.get',[tx_hash, tx_height]) ], 'synchronizer')
                     requested_tx.append( (tx_hash, tx_height) )
             missing_tx = []
 
+            # detect if situation has changed
+            if not self.interface.is_up_to_date('synchronizer'):
+                if self.wallet.is_up_to_date():
+                    self.wallet.set_up_to_date(False)
+                    self.was_updated = True
+            else:
+                if not self.wallet.is_up_to_date():
+                    self.wallet.set_up_to_date(True)
+                    self.was_updated = True
+
             if self.was_updated:
                 self.interface.trigger_callback('updated')
                 self.was_updated = False

make_packages

@@ -10,7 +10,7 @@ if __name__ == '__main__':
         sys.exit()
 
     os.system("python mki18n.py")
-    os.system("pyrcc4 icons.qrc -o lib/icons_rc.py")
+    os.system("pyrcc4 icons.qrc -o gui/icons_rc.py")
     os.system("python setup.py sdist --format=zip,gztar")
     
     _tgz="Electrum-%s.tar.gz"%version

plugins/aliases.py

@@ -0,0 +1,199 @@
+import re
+import platform
+from decimal import Decimal
+
+from PyQt4.QtGui import *
+from PyQt4.QtCore import *
+import PyQt4.QtCore as QtCore
+import PyQt4.QtGui as QtGui
+
+from electrum_gui.qrcodewidget import QRCodeWidget
+from electrum_gui import bmp, pyqrnative
+from electrum_gui.i18n import _
+
+
+ALIAS_REGEXP = '^(|([\w\-\.]+)@)((\w[\w\-]+\.)+[\w\-]+)$'    
+
+
+
+from electrum_gui import BasePlugin
+class Plugin(BasePlugin):
+
+    def __init__(self, gui):
+        BasePlugin.__init__(self, gui, 'aliases', 'Aliases', _('Retrieve aliases using http.'))
+        self.aliases      = self.config.get('aliases', {})            # aliases for addresses
+        self.authorities  = self.config.get('authorities', {})        # trusted addresses
+        self.receipts     = self.config.get('receipts',{})            # signed URIs
+
+
+    def timer_actions(self):
+        if self.gui.payto_e.hasFocus():
+            return
+        r = unicode( self.gui.payto_e.text() )
+        if r != self.gui.previous_payto_e:
+            self.gui.previous_payto_e = r
+            r = r.strip()
+            if re.match('^(|([\w\-\.]+)@)((\w[\w\-]+\.)+[\w\-]+)$', r):
+                try:
+                    to_address = self.get_alias(r, True, self.gui.show_message, self.gui.question)
+                except:
+                    return
+                if to_address:
+                    s = r + '  <' + to_address + '>'
+                    self.gui.payto_e.setText(s)
+
+
+    def get_alias(self, alias, interactive = False, show_message=None, question = None):
+        try:
+            target, signing_address, auth_name = read_alias(self, alias)
+        except BaseException, e:
+            # raise exception if verify fails (verify the chain)
+            if interactive:
+                show_message("Alias error: " + str(e))
+            return
+
+        print target, signing_address, auth_name
+
+        if auth_name is None:
+            a = self.aliases.get(alias)
+            if not a:
+                msg = "Warning: the alias '%s' is self-signed.\nThe signing address is %s.\n\nDo you want to add this alias to your list of contacts?"%(alias,signing_address)
+                if interactive and question( msg ):
+                    self.aliases[alias] = (signing_address, target)
+                else:
+                    target = None
+            else:
+                if signing_address != a[0]:
+                    msg = "Warning: the key of alias '%s' has changed since your last visit! It is possible that someone is trying to do something nasty!!!\nDo you accept to change your trusted key?"%alias
+                    if interactive and question( msg ):
+                        self.aliases[alias] = (signing_address, target)
+                    else:
+                        target = None
+        else:
+            if signing_address not in self.authorities.keys():
+                msg = "The alias: '%s' links to %s\n\nWarning: this alias was signed by an unknown key.\nSigning authority: %s\nSigning address: %s\n\nDo you want to add this key to your list of trusted keys?"%(alias,target,auth_name,signing_address)
+                if interactive and question( msg ):
+                    self.authorities[signing_address] = auth_name
+                else:
+                    target = None
+
+        if target:
+            self.aliases[alias] = (signing_address, target)
+            
+        return target
+
+
+
+    def read_alias(self, alias):
+        import urllib
+
+        m1 = re.match('([\w\-\.]+)@((\w[\w\-]+\.)+[\w\-]+)', alias)
+        m2 = re.match('((\w[\w\-]+\.)+[\w\-]+)', alias)
+        if m1:
+            url = 'https://' + m1.group(2) + '/bitcoin.id/' + m1.group(1) 
+        elif m2:
+            url = 'https://' + alias + '/bitcoin.id'
+        else:
+            return ''
+        try:
+            lines = urllib.urlopen(url).readlines()
+        except:
+            return ''
+
+        # line 0
+        line = lines[0].strip().split(':')
+        if len(line) == 1:
+            auth_name = None
+            target = signing_addr = line[0]
+        else:
+            target, auth_name, signing_addr, signature = line
+            msg = "alias:%s:%s:%s"%(alias,target,auth_name)
+            print msg, signature
+            EC_KEY.verify_message(signing_addr, signature, msg)
+        
+        # other lines are signed updates
+        for line in lines[1:]:
+            line = line.strip()
+            if not line: continue
+            line = line.split(':')
+            previous = target
+            print repr(line)
+            target, signature = line
+            EC_KEY.verify_message(previous, signature, "alias:%s:%s"%(alias,target))
+
+        if not is_valid(target):
+            raise ValueError("Invalid bitcoin address")
+
+        return target, signing_addr, auth_name
+
+
+    def set_url(self, url, show_message, question):
+        payto, amount, label, message, signature, identity, url = util.parse_url(url)
+        if signature:
+            if re.match('^(|([\w\-\.]+)@)((\w[\w\-]+\.)+[\w\-]+)$', identity):
+                signing_address = get_alias(identity, True, show_message, question)
+            elif is_valid(identity):
+                signing_address = identity
+            else:
+                signing_address = None
+            if not signing_address:
+                return
+            try:
+                EC_KEY.verify_message(signing_address, signature, url )
+                self.receipt = (signing_address, signature, url)
+            except:
+                show_message('Warning: the URI contains a bad signature.\nThe identity of the recipient cannot be verified.')
+                address = amount = label = identity = message = ''
+
+        if re.match('^(|([\w\-\.]+)@)((\w[\w\-]+\.)+[\w\-]+)$', address):
+            payto_address = get_alias(address, True, show_message, question)
+            if payto_address:
+                address = address + ' <' + payto_address + '>'
+
+        return address, amount, label, message, signature, identity, url
+
+
+
+    def update_contacts_tab(self, l):
+        alias_targets = []
+        for alias, v in self.aliases.items():
+            s, target = v
+            alias_targets.append(target)
+            item = QTreeWidgetItem( [ target, alias, '-'] )
+            item.setBackgroundColor(0, QColor('lightgray'))
+            item.setData(0,32,False)
+            item.setData(0,33,alias + ' <' + target + '>')
+            l.insertTopLevelItem(0,item)
+
+
+    def update_completions(self, l):
+        l[:] = l + self.aliases.keys()
+
+
+    def create_contact_menu(self, menu, item):
+        label = unicode(item.text(1))
+        if label in self.aliases.keys():
+            addr = unicode(item.text(0))
+            label = unicode(item.text(1))
+            menu.addAction(_("View alias details"), lambda: self.show_contact_details(label))
+            menu.addAction(_("Delete alias"), lambda: delete_alias(self, label))
+
+
+    def show_contact_details(self, m):
+        a = self.aliases.get(m)
+        if a:
+            if a[0] in self.authorities.keys():
+                s = self.authorities.get(a[0])
+            else:
+                s = "self-signed"
+            msg = _('Alias:')+' '+ m + '\n'+_('Target address:')+' '+ a[1] + '\n\n'+_('Signed by:')+' ' + s + '\n'+_('Signing address:')+' ' + a[0]
+            QMessageBox.information(self.gui, 'Alias', msg, 'OK')
+
+
+    def delete_alias(self, x):
+        if self.gui.question(_("Do you want to remove")+" %s "%x +_("from your list of contacts?")):
+            if x in self.aliases:
+                self.aliases.pop(x)
+                self.update_history_tab()
+                self.update_contacts_tab()
+                self.update_completions()

plugins/pointofsale.py

@@ -8,8 +8,7 @@ import PyQt4.QtCore as QtCore
 import PyQt4.QtGui as QtGui
 
 from electrum_gui.qrcodewidget import QRCodeWidget
-from electrum_gui import bmp, pyqrnative
-
+from electrum_gui import bmp, pyqrnative, BasePlugin
 from electrum_gui.i18n import _
 
 
@@ -89,98 +88,95 @@ class QR_Window(QWidget):
             
         self.qrw.set_addr( msg )
 
-            
-
-
-config = {}
-
-def get_info():
-    return 'Point of Sale', _('Show QR code window and amounts requested for each address. Add menu item to request amount.')
-
-def init(gui):
-    global config
-    config = gui.config
-    gui.requested_amounts = config.get('requested_amounts',{}) 
-    gui.merchant_name = config.get('merchant_name', 'Invoice')
-    gui.qr_window = None
-    do_enable(gui, is_enabled())
-
-def is_enabled():
-    return config.get('pointofsale') is True
-
-def is_available():
-    return True
-
-
-def toggle(gui):
-    enabled = not is_enabled()
-    config.set_key('pointofsale', enabled, True)
-    do_enable(gui, enabled)
-    update_gui(gui)
-    return enabled
-
-
-def do_enable(gui, enabled):
-    if enabled:
-        gui.expert_mode = True
-        gui.set_hook('item_changed', item_changed)
-        gui.set_hook('current_item_changed', recv_changed)
-        gui.set_hook('receive_menu', receive_menu)
-        gui.set_hook('update_receive_item', update_receive_item)
-        gui.set_hook('timer_actions', timer_actions)
-        gui.set_hook('close_main_window', close_main_window)
-        gui.set_hook('init', update_gui)
-    else:
-        gui.unset_hook('item_changed', item_changed)
-        gui.unset_hook('current_item_changed', recv_changed)
-        gui.unset_hook('receive_menu', receive_menu)
-        gui.unset_hook('update_receive_item', update_receive_item)
-        gui.unset_hook('timer_actions', timer_actions)
-        gui.unset_hook('close_main_window', close_main_window)
-        gui.unset_hook('init', update_gui)
 
 
 
-def update_gui(gui):
-    enabled = is_enabled()
-    if enabled:
-        gui.receive_list.setHeaderLabels([ _('Address'), _('Label'), _('Balance'), _('Request')])
-    else:
-        gui.receive_list.setHeaderLabels([ _('Address'), _('Label'), _('Balance'), _('Tx')])
+class Plugin(BasePlugin):
 
-    toggle_QR_window(gui, enabled)
+    def __init__(self, gui):
+        BasePlugin.__init__(self, gui, 'pointofsale', 'Point of Sale',
+                            _('Show QR code window and amounts requested for each address. Add menu item to request amount.') )
+        self.qr_window = None
+        self.requested_amounts = self.config.get('requested_amounts',{}) 
+        self.merchant_name = self.config.get('merchant_name', 'Invoice')
+
+
+    def init_gui(self):
+        enabled = self.is_enabled()
+        if enabled:
+            self.gui.expert_mode = True
+            self.gui.receive_list.setHeaderLabels([ _('Address'), _('Label'), _('Balance'), _('Request')])
+        else:
+            self.gui.receive_list.setHeaderLabels([ _('Address'), _('Label'), _('Balance'), _('Tx')])
+
+        self.toggle_QR_window(enabled)
     
 
+    def close_main_window(self):
+        if self.qr_window: 
+            self.qr_window.close()
+            self.qr_window = None
 
-def toggle_QR_window(self, show):
-    if show and not self.qr_window:
-        self.qr_window = QR_Window(self.exchanger)
-        self.qr_window.setVisible(True)
-        self.qr_window_geometry = self.qr_window.geometry()
-        item = self.receive_list.currentItem()
-        if item:
-            address = str(item.text(1))
-            label = self.wallet.labels.get(address)
+    
+    def timer_actions(self):
+        if self.qr_window:
+            self.qr_window.qrw.update_qr()
+
+
+    def toggle_QR_window(self, show):
+        if show and not self.qr_window:
+            self.qr_window = QR_Window(self.gui.exchanger)
+            self.qr_window.setVisible(True)
+            self.qr_window_geometry = self.qr_window.geometry()
+            item = self.gui.receive_list.currentItem()
+            if item:
+                address = str(item.text(1))
+                label = self.gui.wallet.labels.get(address)
+                amount, currency = self.requested_amounts.get(address, (None, None))
+                self.qr_window.set_content( address, label, amount, currency )
+
+        elif show and self.qr_window and not self.qr_window.isVisible():
+            self.qr_window.setVisible(True)
+            self.qr_window.setGeometry(self.qr_window_geometry)
+
+        elif not show and self.qr_window and self.qr_window.isVisible():
+            self.qr_window_geometry = self.qr_window.geometry()
+            self.qr_window.setVisible(False)
+
+
+    
+    def update_receive_item(self, address, item):
+        try:
             amount, currency = self.requested_amounts.get(address, (None, None))
+        except:
+            print "cannot get requested amount", address, self.requested_amounts.get(address)
+            amount, currency = None, None
+            self.requested_amounts.pop(address)
+
+        amount_str = amount + (' ' + currency if currency else '') if amount is not None  else ''
+        item.setData(column_index,0,amount_str)
+
+
+    
+    def current_item_changed(self, a):
+        if a is not None and self.qr_window and self.qr_window.isVisible():
+            address = str(a.text(0))
+            label = self.gui.wallet.labels.get(address)
+            try:
+                amount, currency = self.requested_amounts.get(address, (None, None))
+            except:
+                amount, currency = None, None
             self.qr_window.set_content( address, label, amount, currency )
 
-    elif show and self.qr_window and not self.qr_window.isVisible():
-        self.qr_window.setVisible(True)
-        self.qr_window.setGeometry(self.qr_window_geometry)
 
-    elif not show and self.qr_window and self.qr_window.isVisible():
-        self.qr_window_geometry = self.qr_window.geometry()
-        self.qr_window.setVisible(False)
-
-
-
-
-def item_changed(self, item, column):
-    if column == column_index:
+    
+    def item_changed(self, item, column):
+        if column != column_index:
+            return
         address = str( item.text(0) )
         text = str( item.text(column) )
         try:
-            seq = self.wallet.get_address_index(address)
+            seq = self.gui.wallet.get_address_index(address)
             index = seq[-1]
         except:
             print "cannot get index"
@@ -198,9 +194,9 @@ def item_changed(self, item, column):
                 currency = currency.upper()
                     
             self.requested_amounts[address] = (amount, currency)
-            self.wallet.config.set_key('requested_amounts', self.requested_amounts, True)
+            self.gui.wallet.config.set_key('requested_amounts', self.requested_amounts, True)
 
-            label = self.wallet.labels.get(address)
+            label = self.gui.wallet.labels.get(address)
             if label is None:
                 label = self.merchant_name + ' - %04d'%(index+1)
                 self.wallet.labels[address] = label
@@ -213,50 +209,20 @@ def item_changed(self, item, column):
             if address in self.requested_amounts:
                 self.requested_amounts.pop(address)
             
-        self.update_receive_item(self.receive_list.currentItem())
-
-
-def recv_changed(self, a):
-    if a is not None and self.qr_window and self.qr_window.isVisible():
-        address = str(a.text(0))
-        label = self.wallet.labels.get(address)
-        try:
-            amount, currency = self.requested_amounts.get(address, (None, None))
-        except:
-            amount, currency = None, None
-        self.qr_window.set_content( address, label, amount, currency )
+        self.gui.update_receive_item(self.gui.receive_list.currentItem())
 
 
 
-def edit_amount(self):
-    l = self.receive_list
-    item = l.currentItem()
-    item.setFlags(Qt.ItemIsEditable|Qt.ItemIsSelectable | Qt.ItemIsUserCheckable | Qt.ItemIsEnabled | Qt.ItemIsDragEnabled)
-    l.editItem( item, column_index )
-    item.setFlags(Qt.ItemIsSelectable | Qt.ItemIsUserCheckable | Qt.ItemIsEnabled | Qt.ItemIsDragEnabled)
 
-def receive_menu(self, menu):
-    menu.addAction(_("Request amount"), lambda: edit_amount(self))
+    def edit_amount(self):
+        l = self.gui.receive_list
+        item = l.currentItem()
+        item.setFlags(Qt.ItemIsEditable|Qt.ItemIsSelectable | Qt.ItemIsUserCheckable | Qt.ItemIsEnabled | Qt.ItemIsDragEnabled)
+        l.editItem( item, column_index )
+        item.setFlags(Qt.ItemIsSelectable | Qt.ItemIsUserCheckable | Qt.ItemIsEnabled | Qt.ItemIsDragEnabled)
+
+    
+    def receive_menu(self, menu):
+        menu.addAction(_("Request amount"), self.edit_amount)
 
 
-def update_receive_item(self, address, item):
-    try:
-        amount, currency = self.requested_amounts.get(address, (None, None))
-    except:
-        print "cannot get requested amount", address, self.requested_amounts.get(address)
-        amount, currency = None, None
-        self.requested_amounts.pop(address)
-
-    amount_str = amount + (' ' + currency if currency else '') if amount is not None  else ''
-    item.setData(column_index,0,amount_str)
-
-
-def close_main_window(self):
-    if self.qr_window: 
-        self.qr_window.close()
-        self.qr_window = None
-
-
-def timer_actions(self):
-    if self.qr_window:
-        self.qr_window.qrw.update_qr()

plugins/qrscanner.py

@@ -1,60 +1,69 @@
 from electrum.util import print_error
 from urlparse import urlparse, parse_qs
+from PyQt4.QtGui import QPushButton
+from electrum_gui.i18n import _
 
 try:
     import zbar
 except ImportError:
     zbar = None
 
+from electrum_gui import BasePlugin
+class Plugin(BasePlugin):
+
+    def __init__(self, gui):
+        BasePlugin.__init__(self, gui, 'qrscans', 'QR scans', "QR Scans.\nInstall the zbar package to enable this plugin")
+        
+    def is_available(self):
+        if not zbar:
+            return False
+        try:
+            proc = zbar.Processor()
+            proc.init()
+        except zbar.SystemError:
+            # Cannot open video device
+            return False
+        return True
 
 
-def init(gui):
-    if is_enabled():
-        gui.set_hook('create_send_tab', create_send_tab)
-    else:
-        gui.unset_hook('create_send_tab', create_send_tab)
-
-def get_info():
-    return 'QR scans', "QR Scans.\nInstall the zbar package to enable this plugin"
-
-def is_enabled():
-    return is_available()
-
-def toggle(gui):
-    return is_enabled()
+    def create_send_tab(self, grid):
+        b = QPushButton(_("Scan QR code"))
+        b.clicked.connect(self.fill_from_qr)
+        grid.addWidget(b, 1, 5)
 
 
-def is_available():
-    if not zbar:
-        return False
-
-    try:
+    def scan_qr(self):
         proc = zbar.Processor()
         proc.init()
-    except zbar.SystemError:
-        # Cannot open video device
-        return False
+        proc.visible = True
 
-    return True
+        while True:
+            try:
+                proc.process_one()
+            except:
+                # User closed the preview window
+                return {}
 
-def scan_qr():
-    proc = zbar.Processor()
-    proc.init()
-    proc.visible = True
-
-    while True:
-        try:
-            proc.process_one()
-        except:
-            # User closed the preview window
-            return {}
-
-        for r in proc.results:
-            if str(r.type) != 'QRCODE':
-                continue
-
-            return parse_uri(r.data)
+            for r in proc.results:
+                if str(r.type) != 'QRCODE':
+                    continue
+                return parse_uri(r.data)
         
+
+    def fill_from_qr(self):
+        qrcode = self.scan_qr()
+        if 'address' in qrcode:
+            self.gui.payto_e.setText(qrcode['address'])
+        if 'amount' in qrcode:
+            self.gui.amount_e.setText(str(qrcode['amount']))
+        if 'label' in qrcode:
+            self.gui.message_e.setText(qrcode['label'])
+        if 'message' in qrcode:
+            self.gui.message_e.setText("%s (%s)" % (self.gui.message_e.text(), qrcode['message']))
+                
+
+
+
 def parse_uri(uri):
     if ':' not in uri:
         # It's just an address (not BIP21)
@@ -80,24 +89,6 @@ def parse_uri(uri):
 
 
 
-def fill_from_qr(self):
-    qrcode = qrscanner.scan_qr()
-    if 'address' in qrcode:
-        self.payto_e.setText(qrcode['address'])
-    if 'amount' in qrcode:
-        self.amount_e.setText(str(qrcode['amount']))
-    if 'label' in qrcode:
-        self.message_e.setText(qrcode['label'])
-    if 'message' in qrcode:
-        self.message_e.setText("%s (%s)" % (self.message_e.text(), qrcode['message']))
-                
-
-def create_send_tab(gui, grid):
-    if qrscanner.is_available():
-        b = QPushButton(_("Scan QR code"))
-        b.clicked.connect(lambda: fill_from_qr(gui))
-        grid.addWidget(b, 1, 5)
-
 
 
 if __name__ == '__main__':

plugins/virtualkeyboard.py

@@ -0,0 +1,65 @@
+from PyQt4.QtGui import *
+from electrum_gui import BasePlugin
+from electrum_gui.i18n import _
+
+class Plugin(BasePlugin):
+
+
+    def __init__(self, gui):
+        BasePlugin.__init__(self, gui, 'virtualkeyboard', 'Virtual Keyboard',
+                            _("Add an optional, mouse keyboard to the password dialog.\nWarning: do not use this if it makes you pick a weaker password."))
+        self.vkb = None
+        self.vkb_index = 0
+
+
+    def password_dialog(self, pw, grid, pos):
+        vkb_button = QPushButton(_("+"))
+        vkb_button.setFixedWidth(20)
+        vkb_button.clicked.connect(lambda: self.toggle_vkb(grid, pw))
+        grid.addWidget(vkb_button, pos, 2)
+        self.kb_pos = 2
+
+
+    def toggle_vkb(self, grid, pw):
+        if self.vkb: grid.removeItem(self.vkb)
+        self.vkb = self.virtual_keyboard(self.vkb_index, pw)
+        grid.addLayout(self.vkb, self.kb_pos, 0, 1, 3)
+        self.vkb_index += 1
+
+
+    def virtual_keyboard(self, i, pw):
+        import random
+        i = i%3
+        if i == 0:
+            chars = 'abcdefghijklmnopqrstuvwxyz '
+        elif i == 1:
+            chars = 'ABCDEFGHIJKLMNOPQRTSUVWXYZ '
+        elif i == 2:
+            chars = '1234567890!?.,;:/%&()[]{}+-'
+            
+        n = len(chars)
+        s = []
+        for i in xrange(n):
+            while True:
+                k = random.randint(0,n-1)
+                if k not in s:
+                    s.append(k)
+                    break
+
+        def add_target(t):
+            return lambda: pw.setText(str( pw.text() ) + t)
+            
+        vbox = QVBoxLayout()
+        grid = QGridLayout()
+        grid.setSpacing(2)
+        for i in range(n):
+            l_button = QPushButton(chars[s[i]])
+            l_button.setFixedWidth(25)
+            l_button.setFixedHeight(25)
+            l_button.clicked.connect(add_target(chars[s[i]]) )
+            grid.addWidget(l_button, i/6, i%6)
+
+        vbox.addLayout(grid)
+
+        return vbox
+

setup-release.py

@@ -28,6 +28,8 @@ if sys.platform == 'darwin':
         setup_requires=['py2app'],
         app=[mainscript],
         options=dict(py2app=dict(argv_emulation=True,
+                                 includes = ['PyQt4.QtCore','PyQt4.QtGui', 'sip'],
+                                 packages = ['lib', 'gui', 'plugins'],
                                  iconfile='electrum.icns',
                                  resources=["data", "icons"])),
     )