better integration of plugins in installwizard (for 2fa, trezor plugins)

lib/wallet.py

@@ -1257,6 +1257,12 @@ class Deterministic_Wallet(Abstract_Wallet):
                 return False
         return True
 
+    def get_action(self):
+        if not self.get_master_public_keys():
+            return 'create_seed'
+        if not self.accounts:
+            return 'create_accounts'
+
 
 class NewWallet(Deterministic_Wallet):
 
@@ -1267,7 +1273,7 @@ class NewWallet(Deterministic_Wallet):
         return self.accounts["m/0'"]
 
     def is_watching_only(self):
-        return self.master_private_keys is {}
+        return not bool(self.master_private_keys)
 
     def can_create_accounts(self):
         return 'm/' in self.master_private_keys.keys()
@@ -1312,7 +1318,8 @@ class NewWallet(Deterministic_Wallet):
 
     def create_accounts(self, password):
         # First check the password is valid (this raises if it isn't).
-        self.check_password(password)
+        if not self.is_watching_only():
+            self.check_password(password)
         self.create_account('Main account', password)
 
     def add_master_public_key(self, name, xpub):
@@ -1419,7 +1426,7 @@ class Wallet_2of2(NewWallet):
     def can_import(self):
         return False
 
-    def create_account(self):
+    def create_account(self, name, password):
         xpub1 = self.master_public_keys.get("m/")
         xpub2 = self.master_public_keys.get("cold/")
         account = BIP32_Account_2of2({'xpub':xpub1, 'xpub2':xpub2})
@@ -1434,9 +1441,11 @@ class Wallet_2of2(NewWallet):
         xpub1 = self.master_public_keys.get("m/")
         xpub2 = self.master_public_keys.get("cold/")
         if xpub1 is None:
-            return 'create_2of2_1'
+            return 'create_seed'
         if xpub2 is None:
-            return 'create_2of2_2'
+            return 'add_cosigner'
+        if not self.accounts:
+            return 'create_accounts'
 
 
 class Wallet_2of3(Wallet_2of2):
@@ -1446,7 +1455,7 @@ class Wallet_2of3(Wallet_2of2):
         Wallet_2of2.__init__(self, storage)
         self.storage.put('wallet_type', '2of3', True)
 
-    def create_account(self):
+    def create_account(self, name, password):
         xpub1 = self.master_public_keys.get("m/")
         xpub2 = self.master_public_keys.get("cold/")
         xpub3 = self.master_public_keys.get("remote/")
@@ -1463,13 +1472,12 @@ class Wallet_2of3(Wallet_2of2):
         xpub1 = self.master_public_keys.get("m/")
         xpub2 = self.master_public_keys.get("cold/")
         xpub3 = self.master_public_keys.get("remote/")
-        # fixme: we use order of creation
-        if xpub2 and xpub1 is None:
-            return 'create_2fa_2'
         if xpub1 is None:
-            return 'create_2of3_1'
+            return 'create_seed'
         if xpub2 is None or xpub3 is None:
-            return 'create_2of3_2'
+            return 'add_two_cosigners'
+        if not self.accounts:
+            return 'create_accounts'
 
 
 class OldWallet(Deterministic_Wallet):
@@ -1550,20 +1558,18 @@ class Wallet(object):
 
     def __new__(self, storage):
         config = storage.config
-        if config.get('bitkey', False):
-            # if user requested support for Bitkey device,
-            # import Bitkey driver
-            from wallet_bitkey import WalletBitkey
-            return WalletBitkey(config)
 
-        if storage.get('wallet_type') == '2of2':
-            return Wallet_2of2(storage)
+        self.wallet_types = [ 
+            ('standard', ("Standard wallet"),          OldWallet), 
+            ('imported', ("Imported wallet"),          Imported_Wallet), 
+            ('2of2',     ("Multisig wallet (2 of 2)"), Wallet_2of2),
+            ('2of3',     ("Multisig wallet (2 of 3)"), Wallet_2of3)
+        ]
+        run_hook('add_wallet_types', self.wallet_types)
 
-        if storage.get('wallet_type') == '2of3':
-            return Wallet_2of3(storage)
-
-        if storage.get('wallet_type') == 'imported':
-            return Imported_Wallet(storage)
+        for t, l, WalletClass in self.wallet_types:
+            if t == storage.get('wallet_type'):
+                return WalletClass(storage)
 
         if not storage.file_exists:
             seed_version = NEW_SEED_VERSION if config.get('bip32') is True else OLD_SEED_VERSION