fix issue #968

2014-12-31 19:21:54 +01:00
parent f57c581468
commit 9f9bab6cf0
3 changed files with 9 additions and 8 deletions
--- a/lib/wallet.py
+++ b/lib/wallet.py
@@ -1296,6 +1296,8 @@ class BIP32_Wallet(Deterministic_Wallet):
            raise InvalidPassword()

    def add_master_public_key(self, name, xpub):
+        if xpub in self.master_public_keys.values():
+            raise BaseException('Duplicate master public key')
        self.master_public_keys[name] = xpub
        self.storage.put('master_public_keys', self.master_public_keys, True)