From 9aea601b05b3541fcc7e0c45cba8fd2178224809 Mon Sep 17 00:00:00 2001 From: Pieter Wuille Date: Tue, 24 Sep 2013 00:45:18 +0200 Subject: Move IsPushOnly() to script.cpp --- src/script.cpp | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'src/script.cpp') diff --git a/src/script.cpp b/src/script.cpp index 2b66bc73d..b2d8a67f9 100644 --- a/src/script.cpp +++ b/src/script.cpp @@ -1863,6 +1863,24 @@ bool CScript::IsPayToScriptHash() const this->at(22) == OP_EQUAL); } +bool CScript::IsPushOnly() const +{ + const_iterator pc = begin(); + while (pc < end()) + { + opcodetype opcode; + if (!GetOp(pc, opcode)) + return false; + // Note that IsPushOnly() *does* consider OP_RESERVED to be a + // push-type opcode, however execution of OP_RESERVED fails, so + // it's not relevant to P2SH as the scriptSig would fail prior to + // the P2SH special validation code being executed. + if (opcode > OP_16) + return false; + } + return true; +} + class CScriptVisitor : public boost::static_visitor { private: -- cgit v1.2.3