restore from master public key (qt and command line)

gui/qt/installwizard.py

@@ -167,12 +167,6 @@ class InstallWizard(QDialog):
         mpk_e.setMaximumHeight(100)
         grid.addWidget(mpk_e, 0, 1)
 
-        label = QLabel(_("Chain")) 
-        #grid.addWidget(label, 1, 0)
-        chain_e = QTextEdit()
-        chain_e.setMaximumHeight(100)
-        #grid.addWidget(chain_e, 1, 1)
-
         vbox.addLayout(grid)
 
         vbox.addStretch(1)
@@ -183,8 +177,7 @@ class InstallWizard(QDialog):
             return None
 
         mpk = str(mpk_e.toPlainText()).strip()
-        chain = str(chain_e.toPlainText()).strip()
-        return mpk, chain
+        return mpk
 
 
     def network_dialog(self):
@@ -289,8 +282,7 @@ class InstallWizard(QDialog):
             mpk = self.mpk_dialog()
             if not mpk:
                 return
-            wallet.seed = ''
-            wallet.create_watching_only_wallet(mpk)
+            wallet = Wallet.from_mpk(mpk, self.storage)
 
         else: raise