separation between wallet storage and config

electrum

@@ -107,7 +107,7 @@ if __name__ == '__main__':
         util.check_windows_wallet_migration()
 
     config = SimpleConfig(config_options)
-
+    storage = WalletStorage(config)
 
     if len(args)==0:
         url = None
@@ -145,12 +145,12 @@ if __name__ == '__main__':
 
 
     # instanciate wallet for command-line
-    wallet = Wallet(config)
+    wallet = Wallet(storage)
 
     if cmd not in known_commands:
         cmd = 'help'
 
-    if not config.wallet_file_exists and cmd not in ['help','create','restore']:
+    if not storage.file_exists and cmd not in ['help','create','restore']:
         print_msg("Error: Wallet file not found.")
         print_msg("Type 'electrum create' to create a new wallet, or provide a path to a wallet with the -w option")
         sys.exit(0)
@@ -203,7 +203,7 @@ if __name__ == '__main__':
                 wallet.set_verifier(verifier)
 
                 print_msg("Recovering wallet...")
-                WalletSynchronizer(wallet, config).start()
+                WalletSynchronizer(wallet).start()
                 wallet.update()
                 if wallet.is_found():
                     print_msg("Recovery successful")
@@ -317,9 +317,6 @@ if __name__ == '__main__':
             message = ' '.join(args[min_args:])
             print_msg("Warning: Final argument was reconstructed from several arguments:", repr(message))
             args = args[0:min_args] + [ message ]
-        
-
-
 
 
     # open session
@@ -333,10 +330,10 @@ if __name__ == '__main__':
         verifier = WalletVerifier(interface, config)
         verifier.start()
         wallet.set_verifier(verifier)
-        synchronizer = WalletSynchronizer(wallet, config)
+        synchronizer = WalletSynchronizer(wallet)
         synchronizer.start()
         wallet.update()
-        #wallet.save()
+
 
 
     # run the command

gui/gui_classic.py

@@ -43,6 +43,8 @@ from electrum.wallet import format_satoshis
 from electrum.bitcoin import Transaction, is_valid
 from electrum import mnemonic
 from electrum import util, bitcoin, commands, Interface, Wallet, WalletVerifier, WalletSynchronizer
+from electrum import SimpleConfig, Wallet, WalletSynchronizer, WalletStorage
+
 
 import bmp, pyqrnative
 import exchange_rate
@@ -225,9 +227,12 @@ class ElectrumWindow(QMainWindow):
 
     def __init__(self, config):
         QMainWindow.__init__(self)
+
+        self.config = config
+        self.init_plugins()
+
         self._close_electrum = False
         self.lite = None
-        self.config = config
         self.current_account = self.config.get("current_account", None)
 
         self.icon = QIcon(os.getcwd() + '/icons/electrum.png')
@@ -237,14 +242,14 @@ class ElectrumWindow(QMainWindow):
 
         self.build_menu()
         self.tray.show()
-
-        self.init_plugins()
         self.create_status_bar()
 
         self.need_update = threading.Event()
 
-        self.expert_mode = config.get('classic_expert_mode', False)
+        self.expert_mode   = config.get('classic_expert_mode', False)
         self.decimal_point = config.get('decimal_point', 8)
+        self.num_zeros     = int(config.get('num_zeros',0))
+        self.fee                   = int(config.get('fee_per_kb',20000))
 
         set_language(config.get('language'))
 
@@ -287,11 +292,12 @@ class ElectrumWindow(QMainWindow):
             tabs.setCurrentIndex (n)
             tabs.setCurrentIndex (0)
 
-
         # plugins that need to change the GUI do it here
         self.run_hook('init')
 
 
+
+
     def load_wallet(self, wallet):
         import electrum
         self.wallet = wallet
@@ -301,7 +307,7 @@ class ElectrumWindow(QMainWindow):
         self.wallet.interface.register_callback('disconnected', lambda: self.emit(QtCore.SIGNAL('update_status')))
         self.wallet.interface.register_callback('disconnecting', lambda: self.emit(QtCore.SIGNAL('update_status')))
         self.wallet.interface.register_callback('new_transaction', lambda: self.emit(QtCore.SIGNAL('transaction_signal')))
-        title = 'Electrum ' + self.wallet.electrum_version + '  -  ' + self.config.path
+        title = 'Electrum ' + self.wallet.electrum_version + '  -  ' #+ self.config.path
         if not self.wallet.seed: title += ' [%s]' % (_('seedless'))
         self.setWindowTitle( title )
         self.update_wallet()
@@ -326,21 +332,20 @@ class ElectrumWindow(QMainWindow):
 
 
     def select_wallet_file(self):
-        wallet_folder = self.wallet.config.path
+        wallet_folder = self.wallet.storage.path
         re.sub("(\/\w*.dat)$", "", wallet_folder)
         file_name = unicode( QFileDialog.getOpenFileName(self, "Select your wallet file", wallet_folder, "*.dat") )
         return file_name
 
 
     def open_wallet(self):
-        from electrum import SimpleConfig, Wallet, WalletSynchronizer
 
         filename = self.select_wallet_file()
         if not filename:
             return
 
-        config = SimpleConfig({'wallet_path': filename})
+        storage = WalletStorage({'wallet_path': filename})
-        if not config.wallet_file_exists:
+        if not storage.file_exists:
             self.show_message("file not found "+ filename)
             return
 
@@ -348,30 +353,27 @@ class ElectrumWindow(QMainWindow):
         verifier = self.wallet.verifier
         self.wallet.synchronizer.stop()
         
-        self.config = config
-
         # create wallet 
-        wallet = Wallet(config)
+        wallet = Wallet(storage)
         wallet.interface = interface
         wallet.verifier = verifier
-        synchronizer = WalletSynchronizer(wallet, config)
+        synchronizer = WalletSynchronizer(wallet)
         synchronizer.start()
 
         self.load_wallet(wallet)
 
 
     def new_wallet(self):
-        from electrum import SimpleConfig, Wallet, WalletSynchronizer
         import installwizard
 
-        wallet_folder = self.wallet.config.path
+        wallet_folder = self.wallet.storage.path
         re.sub("(\/\w*.dat)$", "", wallet_folder)
         filename = self.getSaveFileName("Select your wallet file", wallet_folder, "*.dat")
 
-        config = SimpleConfig({'wallet_path': filename})
+        storage = WalletStorage({'wallet_path': filename})
-        assert not config.wallet_file_exists
+        assert not storage.file_exists
 
-        wizard = installwizard.InstallWizard(config, self.wallet.interface)
+        wizard = installwizard.InstallWizard(self.config, self.wallet.interface, storage)
         wallet = wizard.run()
         if wallet: 
             self.load_wallet(wallet)
@@ -522,14 +524,20 @@ class ElectrumWindow(QMainWindow):
                 
         return
 
+
+    def set_fee(self, fee):
+        if self.fee != fee:
+            self.fee = fee
+            self.config.set_key('fee_per_kb', self.fee, True)
         
+
     def set_label(self, name, text = None):
         changed = False
         old_text = self.wallet.labels.get(name)
         if text:
             if old_text != text:
                 self.wallet.labels[name] = text
-                self.wallet.config.set_key('labels', self.wallet.labels)
+                self.wallet.storage.set_key('labels', self.wallet.labels)
                 changed = True
         else:
             if old_text:
@@ -572,7 +580,7 @@ class ElectrumWindow(QMainWindow):
         self.run_hook('timer_actions')
     
     def format_amount(self, x, is_diff=False, whitespaces=False):
-        return format_satoshis(x, is_diff, self.wallet.num_zeros, self.decimal_point, whitespaces)
+        return format_satoshis(x, is_diff, self.num_zeros, self.decimal_point, whitespaces)
 
     def read_amount(self, x):
         if x in['.', '']: return None
@@ -1966,7 +1974,7 @@ class ElectrumWindow(QMainWindow):
         nz_label = QLabel(_('Display zeros'))
         grid_ui.addWidget(nz_label, 0, 0)
         nz_e = AmountEdit(None,True)
-        nz_e.setText("%d"% self.wallet.num_zeros)
+        nz_e.setText("%d"% self.num_zeros)
         grid_ui.addWidget(nz_e, 0, 1)
         msg = _('Number of zeros displayed after the decimal point. For example, if this is set to 2, "1." will be displayed as "1.00"')
         grid_ui.addWidget(HelpButton(msg), 0, 2)
@@ -2022,7 +2030,7 @@ class ElectrumWindow(QMainWindow):
         fee_label = QLabel(_('Transaction fee'))
         grid_wallet.addWidget(fee_label, 0, 0)
         fee_e = AmountEdit(self.base_unit)
-        fee_e.setText(self.format_amount(self.wallet.fee).strip())
+        fee_e.setText(self.format_amount(self.fee).strip())
         grid_wallet.addWidget(fee_e, 0, 2)
         msg = _('Fee per kilobyte of transaction.') + ' ' \
             + _('Recommended value') + ': ' + self.format_amount(50000)
@@ -2112,7 +2120,7 @@ class ElectrumWindow(QMainWindow):
             QMessageBox.warning(self, _('Error'), _('Invalid value') +': %s'%fee, _('OK'))
             return
 
-        self.wallet.set_fee(fee)
+        self.set_fee(fee)
         
         nz = unicode(nz_e.text())
         try:
@@ -2122,8 +2130,8 @@ class ElectrumWindow(QMainWindow):
             QMessageBox.warning(self, _('Error'), _('Invalid value')+':%s'%nz, _('OK'))
             return
 
-        if self.wallet.num_zeros != nz:
+        if self.num_zeros != nz:
-            self.wallet.num_zeros = nz
+            self.num_zeros = nz
             self.config.set_key('num_zeros', nz, True)
             self.update_history_tab()
             self.update_receive_tab()
@@ -2211,23 +2219,23 @@ class ElectrumGui:
 
 
     def main(self, url):
-            
+
-        found = self.config.wallet_file_exists
+        storage = WalletStorage(self.config)
-        if not found:
+        if not storage.file_exists:
             import installwizard
-            wizard = installwizard.InstallWizard(self.config, self.interface)
+            wizard = installwizard.InstallWizard(self.config, self.interface, storage)
             wallet = wizard.run()
             if not wallet: 
                 exit()
         else:
-            wallet = Wallet(self.config)
+            wallet = Wallet(storage)
 
         wallet.interface = self.interface
 
-        verifier = WalletVerifier(self.interface, self.config)
+        verifier = WalletVerifier(self.interface, storage)
         verifier.start()
         wallet.set_verifier(verifier)
-        synchronizer = WalletSynchronizer(wallet, self.config)
+        synchronizer = WalletSynchronizer(wallet)
         synchronizer.start()
 
         s = Timer()

gui/gui_text.py

@@ -5,7 +5,7 @@ _ = lambda x:x
 from electrum.util import format_satoshis, set_verbosity
 from electrum.bitcoin import is_valid
 
-from electrum import Wallet, WalletVerifier, WalletSynchronizer
+from electrum import Wallet, WalletVerifier, WalletSynchronizer, WalletStorage
 
 import tty, sys
 
@@ -15,19 +15,19 @@ class ElectrumGui:
     def __init__(self, config, interface):
 
         self.config = config
-        found = self.config.wallet_file_exists
+        storage = WalletStorage(config)
-        if not found:
+        if not storage.file_exists:
             print "Wallet not found. try 'electrum create'"
             exit()
 
-        wallet = Wallet(self.config)
+        wallet = Wallet(storage)
         wallet.interface = interface
         self.wallet = wallet
 
         verifier = WalletVerifier(interface, config)
         verifier.start()
         wallet.set_verifier(verifier)
-        synchronizer = WalletSynchronizer(wallet, config)
+        synchronizer = WalletSynchronizer(wallet)
         synchronizer.start()
 
         self.stdscr = curses.initscr()

gui/installwizard.py

@@ -14,10 +14,11 @@ import sys
 
 class InstallWizard(QDialog):
 
-    def __init__(self, config, interface):
+    def __init__(self, config, interface, storage):
         QDialog.__init__(self)
         self.config = config
         self.interface = interface
+        self.storage = storage
 
 
     def restore_or_create(self):
@@ -146,7 +147,7 @@ class InstallWizard(QDialog):
         a = self.restore_or_create()
         if not a: exit()
 
-        wallet = Wallet(self.config)
+        wallet = Wallet(self.storage)
         wallet.interface = self.interface
 
         if a =='create':
@@ -179,10 +180,10 @@ class InstallWizard(QDialog):
         #self.interface.start(wait = False)
 
         # start wallet threads
-        verifier = WalletVerifier(self.interface, self.config)
+        verifier = WalletVerifier(self.interface, self.storage)
         verifier.start()
         wallet.set_verifier(verifier)
-        synchronizer = WalletSynchronizer(wallet, self.config)
+        synchronizer = WalletSynchronizer(wallet)
         synchronizer.start()
 
 

lib/__init__.py

@@ -1,6 +1,6 @@
 from version import ELECTRUM_VERSION
 from util import format_satoshis, print_msg, print_json, print_error, set_verbosity
-from wallet import WalletSynchronizer
+from wallet import WalletSynchronizer, WalletStorage
 from wallet_factory import WalletFactory as Wallet
 from verifier import WalletVerifier
 from interface import Interface, pick_random_server, DEFAULT_SERVERS

lib/interface.py

@@ -392,7 +392,7 @@ class Interface(threading.Thread):
             self.unanswered_requests[self.message_id] = method, params, channel
             ids.append(self.message_id)
             # uncomment to debug
-            # print "-->",request
+            # print "-->", request
             self.message_id += 1
             out += request + '\n'
         while out:

lib/simple_config.py

@@ -6,6 +6,9 @@ from version import ELECTRUM_VERSION, SEED_VERSION
 
 
 
+
+
+
 class SimpleConfig:
     """
 The SimpleConfig class is responsible for handling operations involving
@@ -29,46 +32,44 @@ a SimpleConfig instance then reads the wallet file.
         # command-line options
         self.options_config = options
 
-        self.wallet_config = {}
+        # init path
-        self.wallet_file_exists = False
+        self.init_path(options)
-        self.init_path(self.options_config.get('wallet_path'))
+
-        print_error( "path", self.path )
+        print "user dir", self.user_dir
-        if self.path:
+
-            self.read_wallet_config(self.path)
+
+    def init_path(self, options):
+
+        # Look for wallet file in the default data directory.
+        # Make wallet directory if it does not yet exist.
+        if not os.path.exists(self.user_dir):
+            os.mkdir(self.user_dir)
+
 
         # portable wallet: use the same directory for wallet and headers file
-        if options.get('portable'):
+        #if options.get('portable'):
-            self.wallet_config['blockchain_headers_path'] = os.path.dirname(self.path)
+        #    self.wallet_config['blockchain_headers_path'] = os.path.dirname(self.path)
             
-            
+    def set_key(self, key, value, save = True):
-        
-
-    def set_key(self, key, value, save = False):
         # find where a setting comes from and save it there
         if self.options_config.get(key) is not None:
             print "Warning: not changing '%s' because it was passed as a command-line option"%key
             return
 
-        elif self.user_config.get(key) is not None:
-            self.user_config[key] = value
-            if save: self.save_user_config()
-
         elif self.system_config.get(key) is not None:
             if str(self.system_config[key]) != str(value):
                 print "Warning: not changing '%s' because it was set in the system configuration"%key
 
-        elif self.wallet_config.get(key) is not None:
-            self.wallet_config[key] = value
-            if save: self.save_wallet_config()
-
         else:
-            # add key to wallet config
+            self.user_config[key] = value
-            self.wallet_config[key] = value
+            if save: self.save_user_config()
-            if save: self.save_wallet_config()
+
 
 
     def get(self, key, default=None):
-        """Retrieve the filepath of the configuration file specified in the 'key' parameter."""
+
+        out = None
+
         # 1. command-line options always override everything
         if self.options_config.has_key(key) and self.options_config.get(key) is not None:
             out = self.options_config.get(key)
@@ -81,10 +82,6 @@ a SimpleConfig instance then reads the wallet file.
         elif self.system_config.has_key(key):
             out = self.system_config.get(key)
 
-        # 3. use the wallet file config
-        else:
-            out = self.wallet_config.get(key)
-
         if out is None and default is not None:
             out = default
 
@@ -135,85 +132,29 @@ a SimpleConfig instance then reads the wallet file.
         """Parse and store the user config settings in electrum.conf into user_config[]."""
         if not self.user_dir: return
 
-        name = os.path.join( self.user_dir, 'electrum.conf')
+        path = os.path.join(self.user_dir, "config")
-        if os.path.exists(name):
+        if os.path.exists(path):
             try:
-                import ConfigParser
+                with open(path, "r") as f:
-            except ImportError:
+                    data = f.read()
-                print "cannot parse electrum.conf. please install ConfigParser"
+            except IOError:
                 return
-                
-            p = ConfigParser.ConfigParser()
-            p.read(name)
             try:
-                for k, v in p.items('client'):
+                d = ast.literal_eval( data )  #parse raw data from reading wallet file
-                    self.user_config[k] = v
+            except:
-            except ConfigParser.NoSectionError:
+                raise IOError("Cannot read config file.")
-                pass
-
-    def init_path(self, path):
-        """Set the path of the wallet."""
-
-        if not path:
-            path = self.get('default_wallet_path')
-
-        if path is not None:
-            self.path = path
-            return
 
-        # Look for wallet file in the default data directory.
+            self.user_config = d
-        # Make wallet directory if it does not yet exist.
-        if not os.path.exists(self.user_dir):
-            os.mkdir(self.user_dir)
-        self.path = os.path.join(self.user_dir, "electrum.dat")
 
 
     def save_user_config(self):
         if not self.user_dir: return
 
-        import ConfigParser
+        path = os.path.join(self.user_dir, "config")
-        config = ConfigParser.RawConfigParser()
+        s = repr(self.user_config)
-        config.add_section('client')
+        f = open(path,"w")
-        for k,v in self.user_config.items():
-            config.set('client', k, v)
-
-        with open( os.path.join( self.user_dir, 'electrum.conf'), 'wb') as configfile:
-            config.write(configfile)
-        
-
-
-
-    def read_wallet_config(self, path):
-        """Read the contents of the wallet file."""
-        try:
-            with open(self.path, "r") as f:
-                data = f.read()
-        except IOError:
-            return
-        try:
-            d = ast.literal_eval( data )  #parse raw data from reading wallet file
-        except:
-            raise IOError("Cannot read wallet file.")
-
-        self.wallet_config = d
-        self.wallet_file_exists = True
-
-
-
-    def save(self, key=None):
-        self.save_wallet_config()
-
-
-    def save_wallet_config(self):
-        # prevent the creation of incomplete wallets  
-        #if self.wallet_config.get('master_public_keys') is None: 
-        #    return
-
-        s = repr(self.wallet_config)
-        f = open(self.path,"w")
         f.write( s )
         f.close()
         if self.get('gui') != 'android':
             import stat
-            os.chmod(self.path,stat.S_IREAD | stat.S_IWRITE)
+            os.chmod(path, stat.S_IREAD | stat.S_IWRITE)
-

lib/wallet.py

@@ -63,43 +63,112 @@ def pw_decode(s, password):
 from version import ELECTRUM_VERSION, SEED_VERSION
 
 
+class WalletStorage:
+
+    def __init__(self, config):
+        self.data = {}
+        self.file_exists = False
+        self.init_path(config)
+        print_error( "wallet path", self.path )
+        if self.path:
+            self.read(self.path)
+
+
+    def init_path(self, config):
+        """Set the path of the wallet."""
+
+        path = config.get('wallet_path')
+        if not path:
+            path = config.get('default_wallet_path')
+        if path is not None:
+            self.path = path
+            return
+
+        # Look for wallet file in the default data directory.
+        # Make wallet directory if it does not yet exist.
+        if not os.path.exists(self.user_dir):
+            os.mkdir(self.user_dir)
+
+        self.path = os.path.join(self.user_dir, "electrum.dat")
+
+
+    def read(self, path):
+        """Read the contents of the wallet file."""
+        try:
+            with open(self.path, "r") as f:
+                data = f.read()
+        except IOError:
+            return
+        try:
+            d = ast.literal_eval( data )  #parse raw data from reading wallet file
+        except:
+            raise IOError("Cannot read wallet file.")
+
+        self.data = d
+        self.file_exists = True
+
+
+    def get(self, key, default=None):
+        return self.data.get(key, default)
+
+    def put(self, key, value, save = True):
+
+        if self.data.get(key) is not None:
+            self.data[key] = value
+        else:
+            # add key to wallet config
+            self.data[key] = value
+
+        if save: 
+            self.write()
+
+
+    def write(self):
+        s = repr(self.data)
+        f = open(self.path,"w")
+        f.write( s )
+        f.close()
+        if self.get('gui') != 'android':
+            import stat
+            os.chmod(self.path,stat.S_IREAD | stat.S_IWRITE)
+
+
 class Wallet:
-    def __init__(self, config={}):
 
-        self.config = config
+    def __init__(self, storage):
+
+        self.storage = storage
         self.electrum_version = ELECTRUM_VERSION
         self.gap_limit_for_change = 3 # constant
 
         # saved fields
-        self.seed_version          = config.get('seed_version', SEED_VERSION)
+        self.seed_version          = storage.get('seed_version', SEED_VERSION)
 
-        self.gap_limit             = config.get('gap_limit', 5)
+        self.gap_limit             = storage.get('gap_limit', 5)
-        self.use_change            = config.get('use_change',True)
+        self.use_change            = storage.get('use_change',True)
-        self.fee                   = int(config.get('fee_per_kb',20000))
+        self.use_encryption        = storage.get('use_encryption', False)
-        self.num_zeros             = int(config.get('num_zeros',0))
+        self.seed                  = storage.get('seed', '')               # encrypted
-        self.use_encryption        = config.get('use_encryption', False)
+        self.labels                = storage.get('labels', {})
-        self.seed                  = config.get('seed', '')               # encrypted
+        self.frozen_addresses      = storage.get('frozen_addresses',[])
-        self.labels                = config.get('labels', {})
+        self.prioritized_addresses = storage.get('prioritized_addresses',[])
-        self.frozen_addresses      = config.get('frozen_addresses',[])
+        self.addressbook           = storage.get('contacts', [])
-        self.prioritized_addresses = config.get('prioritized_addresses',[])
-        self.addressbook           = config.get('contacts', [])
 
-        self.imported_keys         = config.get('imported_keys',{})
+        self.imported_keys         = storage.get('imported_keys',{})
-        self.history               = config.get('addr_history',{})        # address -> list(txid, height)
+        self.history               = storage.get('addr_history',{})        # address -> list(txid, height)
 
 
-        self.master_public_keys = config.get('master_public_keys',{})
+        self.master_public_keys = storage.get('master_public_keys',{})
-        self.master_private_keys = config.get('master_private_keys', {})
+        self.master_private_keys = storage.get('master_private_keys', {})
 
-        self.first_addresses = config.get('first_addresses',{})
+        self.first_addresses = storage.get('first_addresses',{})
 
         #if self.seed_version != SEED_VERSION:
         #    raise ValueError("This wallet seed is deprecated. Please restore from seed.")
 
-        self.load_accounts(config)
+        self.load_accounts()
 
         self.transactions = {}
-        tx = config.get('transactions',{})
+        tx = storage.get('transactions',{})
         try:
             for k,v in tx.items(): self.transactions[k] = Transaction(v)
         except:
@@ -153,13 +222,13 @@ class Wallet:
         
         # store the originally requested keypair into the imported keys table
         self.imported_keys[address] = pw_encode(sec, password )
-        self.config.set_key('imported_keys', self.imported_keys, True)
+        self.storage.put('imported_keys', self.imported_keys, True)
         return address
         
     def delete_imported_key(self, addr):
         if addr in self.imported_keys:
             self.imported_keys.pop(addr)
-            self.config.set_key('imported_keys', self.imported_keys, True)
+            self.storage.put('imported_keys', self.imported_keys, True)
 
 
     def init_seed(self, seed):
@@ -170,8 +239,8 @@ class Wallet:
 
 
     def save_seed(self):
-        self.config.set_key('seed', self.seed, True)
+        self.storage.put('seed', self.seed, True)
-        self.config.set_key('seed_version', self.seed_version, True)
+        self.storage.put('seed_version', self.seed_version, True)
 
         master_k, master_c, master_K, master_cK = bip32_init(self.seed)
         
@@ -203,8 +272,8 @@ class Wallet:
             "m/5'/": k5
             }
         
-        self.config.set_key('master_public_keys', self.master_public_keys, True)
+        self.storage.put('master_public_keys', self.master_public_keys, True)
-        self.config.set_key('master_private_keys', self.master_private_keys, True)
+        self.storage.put('master_private_keys', self.master_private_keys, True)
 
         # create default account
         self.create_account('1','Main account')
@@ -221,14 +290,14 @@ class Wallet:
         # for safety, we ask the user to enter their seed
         assert seed == self.decode_seed(password)
         self.seed = ''
-        self.config.set_key('seed', '', True)
+        self.storage.put('seed', '', True)
 
 
     def deseed_branch(self, k):
         # check that parent has no seed
         assert self.seed == ''
         self.master_private_keys.pop(k)
-        self.config.set_key('master_private_keys', self.master_private_keys, True)
+        self.storage.put('master_private_keys', self.master_private_keys, True)
 
 
     def account_id(self, account_type, i):
@@ -261,7 +330,7 @@ class Wallet:
             account_id, account = self.next_account(account_type)
             addr = account.first_address()
             self.first_addresses[k] = addr
-            self.config.set_key('first_addresses',self.first_addresses)
+            self.storage.put('first_addresses',self.first_addresses)
 
         return addr
 
@@ -301,13 +370,13 @@ class Wallet:
         self.save_accounts()
         if name: 
             self.labels[account_id] = name
-        self.config.set_key('labels', self.labels, True)
+        self.storage.put('labels', self.labels, True)
 
 
     def create_old_account(self):
         print self.seed
         mpk = OldAccount.mpk_from_seed(self.seed)
-        self.config.set_key('master_public_key', mpk, True)
+        self.storage.put('master_public_key', mpk, True)
         self.accounts[0] = OldAccount({'mpk':mpk, 0:[], 1:[]})
         self.save_accounts()
 
@@ -316,16 +385,16 @@ class Wallet:
         d = {}
         for k, v in self.accounts.items():
             d[k] = v.dump()
-        self.config.set_key('accounts', d, True)
+        self.storage.put('accounts', d, True)
 
     
 
-    def load_accounts(self, config):
+    def load_accounts(self):
-        d = config.get('accounts', {})
+        d = self.storage.get('accounts', {})
         self.accounts = {}
         for k, v in d.items():
             if k == 0:
-                v['mpk'] = config.get('master_public_key')
+                v['mpk'] = self.storage.get('master_public_key')
                 self.accounts[k] = OldAccount(v)
             elif '&' in k:
                 self.accounts[k] = BIP32_Account_2of2(v)
@@ -353,7 +422,7 @@ class Wallet:
 
     def get_master_public_key(self):
         raise
-        return self.config.get("master_public_key")
+        return self.storage.get("master_public_key")
 
     def get_master_private_key(self, account, password):
         master_k = pw_decode( self.master_private_keys[account], password)
@@ -534,7 +603,7 @@ class Wallet:
     def change_gap_limit(self, value):
         if value >= self.gap_limit:
             self.gap_limit = value
-            self.config.set_key('gap_limit', self.gap_limit, True)
+            self.storage.put('gap_limit', self.gap_limit, True)
             self.interface.poke('synchronizer')
             return True
 
@@ -547,7 +616,7 @@ class Wallet:
                 self.accounts[key][0] = addresses
 
             self.gap_limit = value
-            self.config.set_key('gap_limit', self.gap_limit, True)
+            self.storage.put('gap_limit', self.gap_limit, True)
             self.save_accounts()
             return True
         else:
@@ -637,7 +706,7 @@ class Wallet:
             new += self.synchronize_account(account)
         if new:
             self.save_accounts()
-            self.config.set_key('addr_history', self.history, True)
+            self.storage.put('addr_history', self.history, True)
         return new
 
 
@@ -647,15 +716,15 @@ class Wallet:
 
     def add_contact(self, address, label=None):
         self.addressbook.append(address)
-        self.config.set_key('contacts', self.addressbook, True)
+        self.storage.put('contacts', self.addressbook, True)
         if label:  
             self.labels[address] = label
-            self.config.set_key('labels', self.labels, True)
+            self.storage.put('labels', self.labels, True)
 
     def delete_contact(self, addr):
         if addr in self.addressbook:
             self.addressbook.remove(addr)
-            self.config.set_key('addressbook', self.addressbook, True)
+            self.storage.put('addressbook', self.addressbook, True)
 
 
     def fill_addressbook(self):
@@ -915,7 +984,7 @@ class Wallet:
         tx = {}
         for k,v in self.transactions.items():
             tx[k] = str(v)
-        self.config.set_key('transactions', tx, True)
+        self.storage.put('transactions', tx, True)
 
     def receive_history_callback(self, addr, hist):
 
@@ -924,7 +993,7 @@ class Wallet:
             
         with self.lock:
             self.history[addr] = hist
-            self.config.set_key('addr_history', self.history, True)
+            self.storage.put('addr_history', self.history, True)
 
         if hist != ['*']:
             for tx_hash, tx_height in hist:
@@ -1075,28 +1144,28 @@ class Wallet:
         if new_password == '': new_password = None
         # this will throw an exception if unicode cannot be converted
         self.seed = pw_encode( seed, new_password)
-        self.config.set_key('seed', self.seed, True)
+        self.storage.put('seed', self.seed, True)
         self.use_encryption = (new_password != None)
-        self.config.set_key('use_encryption', self.use_encryption,True)
+        self.storage.put('use_encryption', self.use_encryption,True)
         for k in self.imported_keys.keys():
             a = self.imported_keys[k]
             b = pw_decode(a, old_password)
             c = pw_encode(b, new_password)
             self.imported_keys[k] = c
-        self.config.set_key('imported_keys', self.imported_keys, True)
+        self.storage.put('imported_keys', self.imported_keys, True)
 
         for k, v in self.master_private_keys.items():
             b = pw_decode(v, old_password)
             c = pw_encode(b, new_password)
             self.master_private_keys[k] = c
-        self.config.set_key('master_private_keys', self.master_private_keys, True)
+        self.storage.put('master_private_keys', self.master_private_keys, True)
 
 
     def freeze(self,addr):
         if self.is_mine(addr) and addr not in self.frozen_addresses:
             self.unprioritize(addr)
             self.frozen_addresses.append(addr)
-            self.config.set_key('frozen_addresses', self.frozen_addresses, True)
+            self.storage.put('frozen_addresses', self.frozen_addresses, True)
             return True
         else:
             return False
@@ -1104,7 +1173,7 @@ class Wallet:
     def unfreeze(self,addr):
         if self.is_mine(addr) and addr in self.frozen_addresses:
             self.frozen_addresses.remove(addr)
-            self.config.set_key('frozen_addresses', self.frozen_addresses, True)
+            self.storage.put('frozen_addresses', self.frozen_addresses, True)
             return True
         else:
             return False
@@ -1113,7 +1182,7 @@ class Wallet:
         if self.is_mine(addr) and addr not in self.prioritized_addresses:
             self.unfreeze(addr)
             self.prioritized_addresses.append(addr)
-            self.config.set_key('prioritized_addresses', self.prioritized_addresses, True)
+            self.storage.put('prioritized_addresses', self.prioritized_addresses, True)
             return True
         else:
             return False
@@ -1121,38 +1190,11 @@ class Wallet:
     def unprioritize(self,addr):
         if self.is_mine(addr) and addr in self.prioritized_addresses:
             self.prioritized_addresses.remove(addr)
-            self.config.set_key('prioritized_addresses', self.prioritized_addresses, True)
+            self.storage.put('prioritized_addresses', self.prioritized_addresses, True)
             return True
         else:
             return False
 
-    def set_fee(self, fee):
-        if self.fee != fee:
-            self.fee = fee
-            self.config.set_key('fee_per_kb', self.fee, True)
-        
-
-    def save(self):
-        print_error("Warning: wallet.save() is deprecated")
-        tx = {}
-        for k,v in self.transactions.items():
-            tx[k] = str(v)
-            
-        s = {
-            'use_change': self.use_change,
-            'fee_per_kb': self.fee,
-            'addr_history': self.history, 
-            'labels': self.labels,
-            'contacts': self.addressbook,
-            'num_zeros': self.num_zeros,
-            'frozen_addresses': self.frozen_addresses,
-            'prioritized_addresses': self.prioritized_addresses,
-            'gap_limit': self.gap_limit,
-            'transactions': tx,
-        }
-        for k, v in s.items():
-            self.config.set_key(k,v)
-        self.config.save()
 
     def set_verifier(self, verifier):
         self.verifier = verifier
@@ -1259,7 +1301,7 @@ class Wallet:
 class WalletSynchronizer(threading.Thread):
 
 
-    def __init__(self, wallet, config):
+    def __init__(self, wallet):
         threading.Thread.__init__(self)
         self.daemon = True
         self.wallet = wallet