wizard: option to create multisig wallet manually

gui/qt/installwizard.py

@@ -3,7 +3,7 @@ from PyQt4.QtCore import *
 import PyQt4.QtCore as QtCore
 
 from electrum.i18n import _
-from electrum import Wallet, Wallet_2of3
+from electrum import Wallet, Wallet_2of2, Wallet_2of3
 
 import seed_dialog
 from network_dialog import NetworkDialog
@@ -250,14 +250,18 @@ class InstallWizard(QDialog):
         gb = QGroupBox()
 
         b1 = QRadioButton(gb)
-        b1.setText(_("Standard wallet (protected by password)"))
+        b1.setText(_("Standard wallet"))
         b1.setChecked(True)
 
         b2 = QRadioButton(gb)
-        b2.setText(_("Multi-signature wallet (two-factor authentication)"))
+        b2.setText(_("Wallet with two-factor authentication (plugin)"))
+
+        b3 = QRadioButton(gb)
+        b3.setText(_("Multisig wallet (paired manually)"))
 
         grid.addWidget(b1,1,0)
         grid.addWidget(b2,2,0)
+        grid.addWidget(b3,3,0)
 
         vbox = QVBoxLayout()
 
@@ -272,7 +276,9 @@ class InstallWizard(QDialog):
         if b1.isChecked():
             return 'standard'
         elif b2.isChecked():
-            return '2of3'
+            return 'multisig_plugin'
+        elif b3.isChecked():
+            return 'multisig_manual'
 
 
     def run(self, action):
@@ -288,12 +294,16 @@ class InstallWizard(QDialog):
             if not t:
                 return 
 
-            if t == '2of3':
+            if t == 'multisig_plugin':
-                action = 'create_cold'
+                action = 'create_2of3_1'
+            if t == 'multisig_manual':
+                action = 'create_2of2_1'
 
-
+        if action in ['create']:
-        if action in ['create', 'create_cold', 'create_hot', 'create_remote']:
             wallet = Wallet(self.storage)
+        elif action in ['create_2of2_1','create_2of2_2']:
+            wallet = Wallet_2of2(self.storage)
+
 
         if action == 'create':
             seed = wallet.make_seed()
@@ -304,16 +314,15 @@ class InstallWizard(QDialog):
             password = self.password_dialog()
             wallet.add_seed(seed, password)
             wallet.create_accounts(password)
-            # generate first addresses offline
             self.waiting_dialog(wallet.synchronize)
 
 
-        if action == 'create_cold':
+        if action == 'create_2of3_1':
             run_hook('create_cold_seed', self.storage, self)
             return
 
 
-        if action == 'create_hot':
+        if action in ['create_2of2_1', 'create_2of3_2']:
             msg = _('You are about to create the hot seed of a multisig wallet')
             if not self.question(msg):
                 return
@@ -324,10 +333,22 @@ class InstallWizard(QDialog):
                 return
             password = self.password_dialog()
             wallet.add_seed(seed, password)
-            action = 'create_remote'
+            if action == 'create_2of2_1':
+                # display mpk
+                action = 'create_2of2_2'
+            else:
+                action = 'create_2of3_3'
+
+        if action == 'create_2of2_2':
+            xpub = self.enter_seed_dialog(True, 'cold')
+            if not Wallet.is_mpk(xpub):
+                return
+            wallet.add_master_public_key("cold/", xpub)
+            wallet.create_account()
+            self.waiting_dialog(wallet.synchronize)
 
 
-        if action == 'create_remote':
+        if action == 'create_2of3_3':
             run_hook('create_remote_key', wallet, self)
             if not wallet.master_public_keys.get("remote/"):
                 return
@@ -352,12 +373,15 @@ class InstallWizard(QDialog):
                 else:
                     raise
 
-            elif t in ['2of2', '2of3']:
+            elif t in ['multisig_plugin', 'multisig_manual']:
                 r = self.double_seed_dialog()
                 if not r: 
                     return
                 text1, text2 = r
                 password = self.password_dialog()
+                if t == 'multisig_manual':
+                    wallet = Wallet_2of2(self.storage)
+                else:
                     wallet = Wallet_2of3(self.storage)
 
                 if Wallet.is_seed(text1):
@@ -375,9 +399,10 @@ class InstallWizard(QDialog):
                         wallet.add_master_public_key("m/", text1)
                         wallet.add_master_public_key("cold/", text2)
 
+                if t == '2of3':
                     run_hook('restore_third_key', wallet, self)
 
-                wallet.create_accounts(None)
+                wallet.create_account()
 
             else:
                 raise

lib/__init__.py

@@ -1,7 +1,7 @@
 from version import ELECTRUM_VERSION
 from util import format_satoshis, print_msg, print_json, print_error, set_verbosity
 from wallet import WalletSynchronizer, WalletStorage
-from wallet import Wallet, Wallet_2of3
+from wallet import Wallet, Wallet_2of2, Wallet_2of3
 from verifier import TxVerifier
 from network import Network, DEFAULT_SERVERS, DEFAULT_PORTS, pick_random_server
 from interface import Interface

lib/wallet.py

@@ -1486,8 +1486,7 @@ class Wallet_2of2(NewWallet):
     def can_create_accounts(self):
         return False
 
-    def create_account(self, account_id):
+    def create_account(self):
-        """Creates and saves the master keys, but does not save the account"""
         xpub1 = self.master_public_keys.get("m/")
         xpub2 = self.master_public_keys.get("cold/")
         account = BIP32_Account_2of2({'xpub':xpub1, 'xpub2':xpub2})
@@ -1498,6 +1497,13 @@ class Wallet_2of2(NewWallet):
         xpub2 = self.master_public_keys.get("cold/")
         return {'hot':xpub1, 'cold':xpub2}
 
+    def get_action(self):
+        xpub1 = self.master_public_keys.get("m/")
+        xpub2 = self.master_public_keys.get("cold/")
+        if xpub1 is None:
+            return 'create_2of2_1'
+        if xpub2 is None:
+            return 'create_2of2_2'
 
 
 
@@ -1525,11 +1531,11 @@ class Wallet_2of3(Wallet_2of2):
         xpub2 = self.master_public_keys.get("cold/")
         xpub3 = self.master_public_keys.get("remote/")
         if xpub2 is None:
-            return 'create_cold'
+            return 'create_2of3_1'
         if xpub1 is None:
-            return 'create_hot'
+            return 'create_2of3_2'
         if xpub3 is None:
-            return 'create_remote'
+            return 'create_2of3_3'
 
 
 class WalletSynchronizer(threading.Thread):