new class: Imported_Wallet

gui/qt/installwizard.py

@@ -4,6 +4,7 @@ import PyQt4.QtCore as QtCore
 
 from electrum.i18n import _
 from electrum import Wallet, Wallet_2of2, Wallet_2of3
+import electrum.bitcoin as bitcoin
 
 import seed_dialog
 from network_dialog import NetworkDialog
@@ -92,7 +93,7 @@ class InstallWizard(QDialog):
 
     def is_seed(self, seed_e):
         text = self.get_seed_text(seed_e)
-        return Wallet.is_seed(text) or Wallet.is_mpk(text)
+        return Wallet.is_seed(text) or Wallet.is_mpk(text) or Wallet.is_address(text) or Wallet.is_private_key(text)
 
 
     def enter_seed_dialog(self, is_restore, sid):
@@ -372,6 +373,10 @@ class InstallWizard(QDialog):
                     wallet.create_accounts(password)
                 elif Wallet.is_mpk(text):
                     wallet = Wallet.from_mpk(text, self.storage)
+                elif Wallet.is_address(text):
+                    wallet = Wallet.from_address(text, self.storage)
+                elif Wallet.is_private_key(text):
+                    wallet = Wallet.from_private_key(text, self.storage)
                 else:
                     raise
 

lib/bitcoin.py

@@ -285,6 +285,10 @@ def address_from_private_key(sec):
 
 
 def is_valid(addr):
+    return is_address(addr)
+
+
+def is_address(addr):
     ADDRESS_RE = re.compile('[1-9A-HJ-NP-Za-km-z]{26,}\\Z')
     if not ADDRESS_RE.match(addr): return False
     try:
@@ -294,6 +298,10 @@ def is_valid(addr):
     return addr == hash_160_to_bc_address(h, addrtype)
 
 
+def is_private_key(key):
+    return ASecretToSecret(key) is not False
+
+
 ########### end pywallet functions #######################
 
 try:

lib/wallet.py

@@ -36,6 +36,7 @@ from bitcoin import *
 from account import *
 from transaction import Transaction
 from plugins import run_hook
+import bitcoin
 
 COINBASE_MATURITY = 100
 DUST_THRESHOLD = 5430
@@ -331,6 +332,8 @@ class NewWallet:
         self.add_account("m/", account)
 
 
+
+
     def create_accounts(self, password):
         seed = pw_decode(self.seed, password)
         self.create_account('Main account', password)
@@ -1480,6 +1483,17 @@ class NewWallet:
 
 
 
+class Imported_Wallet(NewWallet):
+
+    def __init__(self, storage):
+        NewWallet.__init__(self, storage)
+
+    def is_watching_only(self):
+        n = self.imported_keys.values()
+        return n == [''] * len(n)
+
+
+
 class Wallet_2of2(NewWallet):
 
     def __init__(self, storage):
@@ -1543,7 +1557,6 @@ class Wallet_2of3(Wallet_2of2):
 
 class WalletSynchronizer(threading.Thread):
 
-
     def __init__(self, wallet, network):
         threading.Thread.__init__(self)
         self.daemon = True
@@ -1843,6 +1856,10 @@ class Wallet(object):
         if storage.get('wallet_type') == '2of3':
             return Wallet_2of3(storage)
 
+        if storage.file_exists and not storage.get('seed'):
+            # wallet made of imported keys
+            return Imported_Wallet(storage)
+
 
         if not storage.file_exists:
             seed_version = NEW_SEED_VERSION if config.get('bip32') is True else OLD_SEED_VERSION
@@ -1892,6 +1909,19 @@ class Wallet(object):
             except:
                 return False
 
+    @classmethod
+    def is_address(self, text):
+        for x in text.split():
+            if not bitcoin.is_address(x):
+                return False
+        return True
+
+    @classmethod
+    def is_private_key(self, text):
+        for x in text.split():
+            if not bitcoin.is_private_key(x):
+                return False
+        return True
 
     @classmethod
     def from_seed(self, seed, storage):
@@ -1902,6 +1932,21 @@ class Wallet(object):
         w = klass(storage)
         return w
 
+    @classmethod
+    def from_address(self, text, storage):
+        w = Imported_Wallet(storage)
+        for x in text.split():
+            w.imported_keys[x] = ''
+        w.storage.put('imported_keys', w.imported_keys, True)
+        return w
+
+    @classmethod
+    def from_private_key(self, text, storage):
+        w = Imported_Wallet(storage)
+        for x in text.split():
+            w.import_key(x, None)
+        return w
+
     @classmethod
     def from_mpk(self, mpk, storage):