fix: synchronize generated duplicated addresses

gui/installwizard.py

@@ -179,14 +179,13 @@ class InstallWizard(QDialog):
 
         #self.interface.start(wait = False)
 
-        # start wallet threads
-        wallet.start_threads(self.interface, self.blockchain)
-
-
         # generate the first addresses, in case we are offline
         if s is None or a == 'create':
             wallet.synchronize()
 
+        # start wallet threads
+        wallet.start_threads(self.interface, self.blockchain)
+
 
         if a == 'restore' and s is not None:
             try:

lib/wallet.py

@@ -665,7 +665,7 @@ class Wallet:
             if tx_height == 0:
                 tx_age = 0
             else: 
-                tx_age = self.verifier.height - tx_height + 1
+                tx_age = self.verifier.blockchain.height - tx_height + 1
             if tx_age > age:
                 age = tx_age
         return age > 2