electrum

commit 0aee9bbbb0c6da74eefbfc9e50a1f2051eb57b5f
parent 84239e168be365434cfed4e22335b47890eca97c
Author: SomberNight <somber.night@protonmail.com>
Date:   Wed,  6 Dec 2017 16:02:40 +0100

fix spending from multisig (broken by 8be777e8825b0f8c5892dcfa863a9868be96d64e)

Diffstat:
M
lib/transaction.py
 | 
4
++--

1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/lib/transaction.py b/lib/transaction.py
@@ -631,9 +631,9 @@ class Transaction:
     def estimate_pubkey_size_for_txin(cls, txin):
         pubkeys = txin.get('pubkeys', [])
         x_pubkeys = txin.get('x_pubkeys', [])
-        if len(pubkeys) > 0:
+        if pubkeys and len(pubkeys) > 0:
             return cls.estimate_pubkey_size_from_x_pubkey(pubkeys[0])
-        elif len(x_pubkeys) > 0:
+        elif x_pubkeys and len(x_pubkeys) > 0:
             return cls.estimate_pubkey_size_from_x_pubkey(x_pubkeys[0])
         else:
             return 0x21  # just guess it is compressed