do not actually compute the nested p2wsh-p2sh script if just estimati…

…ng size (spesmilo#4412)
namecoin · Jun 7, 2018 · c6fce4b · c6fce4b
1 parent 610b378
commit c6fce4b
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/lib/transaction.py b/lib/transaction.py
@@ -825,7 +825,10 @@ def input_script(self, txin, estimate_size=False):
             scriptSig = bitcoin.p2wpkh_nested_script(pubkey)
             return push_script(scriptSig)
         elif _type == 'p2wsh-p2sh':
-            witness_script = self.get_preimage_script(txin)
+            if estimate_size:
+                witness_script = ''
+            else:
+                witness_script = self.get_preimage_script(txin)
             scriptSig = bitcoin.p2wsh_nested_script(witness_script)
             return push_script(scriptSig)
         elif _type == 'address':