From dae3e10a5abe93833c57183b7c00f1db9200f46e Mon Sep 17 00:00:00 2001
From: Gavin Andresen <gavinandresen@gmail.com>
Date: Wed, 27 Jun 2012 12:43:19 -0400
Subject: Treat non-version-1 transactions as non-standard

Adds CBlock::CURRENT_VERSION and CTransaction::CURRENT_VERSION
constants, and makes non-CURRENT_VERSION transactions nonstandard.
This will help make future upgrades smoother.
---
 src/main.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/main.cpp')

diff --git a/src/main.cpp b/src/main.cpp
index b4e827098..499f4e336 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -268,6 +268,9 @@ bool CTransaction::ReadFromDisk(COutPoint prevout)
 
 bool CTransaction::IsStandard() const
 {
+    if (nVersion > CTransaction::CURRENT_VERSION)
+        return false;
+
     BOOST_FOREACH(const CTxIn& txin, vin)
     {
         // Biggest 'standard' txin is a 3-signature 3-of-3 CHECKMULTISIG
-- 
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