hardware wallets: fix sign_transaction in resstored wallets

plugins/btchipwallet.py

@@ -302,6 +302,8 @@ class BTChipWallet(BIP32_HD_Wallet):
         self.give_error("Not supported")
 
     def sign_message(self, address, message, password):
+        if self.has_seed():
+            return BIP32_HD_Wallet.sign_message(self, address, message, password)
         use2FA = False
         self.signing = True
         self.get_client() # prompt for the PIN before displaying the dialog if necessary
@@ -352,6 +354,8 @@ class BTChipWallet(BIP32_HD_Wallet):
         return chr(27 + 4 + (signature[0] & 0x01)) + r + s
 
     def sign_transaction(self, tx, password):
+        if self.has_seed():
+            return BIP32_HD_Wallet.sign_transaction(self, tx, password)
         if tx.is_complete():
             return
         #if tx.error:

plugins/keepkey.py

@@ -445,6 +445,8 @@ class KeepKeyWallet(BIP32_HD_Wallet):
         #return str(decrypted_msg)
 
     def sign_message(self, address, message, password):
+        if self.has_seed():
+            return BIP32_HD_Wallet.sign_message(self, address, message, password)
         if not self.check_proper_device():
             give_error('Wrong device or password')
         try:
@@ -461,6 +463,8 @@ class KeepKeyWallet(BIP32_HD_Wallet):
         return msg_sig.signature
 
     def sign_transaction(self, tx, password):
+        if self.has_seed():
+            return BIP32_HD_Wallet.sign_transaction(self, tx, password)
         if tx.is_complete():
             return
         if not self.check_proper_device():

plugins/trezor.py

@@ -444,6 +444,8 @@ class TrezorWallet(BIP32_HD_Wallet):
         #return str(decrypted_msg)
 
     def sign_message(self, address, message, password):
+        if self.has_seed():
+            return BIP32_HD_Wallet.sign_message(self, address, message, password)
         if not self.check_proper_device():
             give_error('Wrong device or password')
         try:
@@ -460,6 +462,8 @@ class TrezorWallet(BIP32_HD_Wallet):
         return msg_sig.signature
 
     def sign_transaction(self, tx, password):
+        if self.has_seed():
+            return BIP32_HD_Wallet.sign_transaction(self, tx, password)
         if tx.is_complete():
             return
         if not self.check_proper_device():