tdo not actually compute the nested p2wsh-p2sh script if just estimating size (#4412) - electrum - Electrum Bitcoin wallet HTML git clone https://git.parazyd.org/electrum DIR Log DIR Files DIR Refs DIR Submodules --- DIR commit c6fce4b7ccb6bcd697889aed4ef90157b9f46a2a DIR parent 610b37890f13191e96b347570334779b2e062462 HTML Author: Dev Random <devrandom@users.noreply.github.com> Date: Thu, 7 Jun 2018 08:44:48 -0700 do not actually compute the nested p2wsh-p2sh script if just estimating size (#4412) Diffstat: M lib/transaction.py | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) --- DIR diff --git a/lib/transaction.py b/lib/transaction.py t@@ -825,7 +825,10 @@ class Transaction: 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':