Attempt at fixing issue 1525

The main problem is, I think, that the synchronizer and wallet
still exist in the daemon process, and updates to things like
TXI and TXO are made but never saved (as client exit is what
saves the wallet).

I suspect fixing the lingering objects is hard; this is a short
term fix to ensure that when internal wallet state is updated,
the wallet is written to disk, so later daemon clients pick up
the correct state.

lib/wallet.py

@@ -224,7 +224,8 @@ class Abstract_Wallet(PrintError):
             self.storage.put('transactions', tx, False)
             self.storage.put('txi', self.txi, False)
             self.storage.put('txo', self.txo, False)
-            self.storage.put('pruned_txo', self.pruned_txo, True)
+            self.storage.put('pruned_txo', self.pruned_txo, False)
+            self.storage.put('addr_history', self.history, True)
 
     def clear_history(self):
         with self.transaction_lock:
@@ -235,7 +236,6 @@ class Abstract_Wallet(PrintError):
         with self.lock:
             self.history = {}
             self.tx_addr_hist = {}
-        self.storage.put('addr_history', self.history, True)
 
     @profiler
     def build_reverse_history(self):
@@ -262,8 +262,9 @@ class Abstract_Wallet(PrintError):
                 if tx is not None:
                     tx.deserialize()
                     self.add_transaction(tx_hash, tx)
+                    save = True
         if save:
-            self.storage.put('addr_history', self.history, True)
+            self.save_transactions()
 
     # wizard action
     def get_action(self):
@@ -789,6 +790,7 @@ class Abstract_Wallet(PrintError):
 
     def receive_tx_callback(self, tx_hash, tx, tx_height):
         self.add_transaction(tx_hash, tx)
+        self.save_transactions()
         self.add_unverified_tx(tx_hash, tx_height)
 
 
@@ -803,7 +805,6 @@ class Abstract_Wallet(PrintError):
                         self.remove_transaction(tx_hash)
 
             self.history[addr] = hist
-            self.storage.put('addr_history', self.history, True)
 
         for tx_hash, tx_height in hist:
             # add it in case it was previously unconfirmed
@@ -818,6 +819,8 @@ class Abstract_Wallet(PrintError):
                 tx.deserialize()
                 self.add_transaction(tx_hash, tx)
 
+        # Write updated TXI, TXO etc.
+        self.save_transactions()
 
     def get_history(self, domain=None):
         from collections import defaultdict