[BIP-119]: Make IsPayToBareDefaultCheckTemplateVerifyHash Pythonic

bip-0119.mediawiki

@@ -239,13 +239,10 @@ optimization.
 
 A PayToBareDefaultCheckTemplateVerifyHash output matches the following template:
 
-    bool CScript::IsPayToBareDefaultCheckTemplateVerifyHash() const
-    {
-     // Extra-fast test for pay-to-basic-standard-template CScripts:
-     return (this->size() == 34 &&
-             (*this)[0] == 0x20 &&
-             (*this)[33] == OP_CHECKTEMPLATEVERIFY);
-    }
+    # Extra-fast test for pay-to-basic-standard-template CScripts:
+    def is_pay_to_bare_default_check_template_verify_hash(self):
+        return len(self) == 34 and self[0] == 0x20 and self[-1] == OP_CHECKTEMPLATEVERIFY
+
 
 ==Deployment==