follow-up prev commit

7 years ago · e373f50596
1 changed files with 2 additions and 1 deletions
--- a/lib/transaction.py
+++ b/lib/transaction.py
@ -863,7 +863,8 @@ class Transaction:
        if not self.is_segwit():
            return 0
        inputs = self.inputs()
-        witness = ''.join(self.serialize_witness(x, True) for x in inputs)
+        estimate = not self.is_complete()
+        witness = ''.join(self.serialize_witness(x, estimate) for x in inputs)
        witness_size = len(witness) // 2 + 2  # include marker and flag
        return witness_size