From 2eace48d9a50e5393f3627bcd0614ed9b262794a Mon Sep 17 00:00:00 2001
From: "Wladimir J. van der Laan" <laanwj@gmail.com>
Date: Sat, 9 Jul 2011 10:26:46 +0200
Subject: [PATCH] remove magic number: change threshold for nLockTime to
 constant

---
 src/main.h                   | 4 +++-
 src/qt/transactionrecord.cpp | 2 +-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/main.h b/src/main.h
index aa74ac5ab..124c7c267 100644
--- a/src/main.h
+++ b/src/main.h
@@ -37,6 +37,8 @@ static const int64 MIN_RELAY_TX_FEE = 10000;
 static const int64 MAX_MONEY = 21000000 * COIN;
 inline bool MoneyRange(int64 nValue) { return (nValue >= 0 && nValue <= MAX_MONEY); }
 static const int COINBASE_MATURITY = 100;
+// Threshold for nLockTime: below this value it is interpreted as block number, otherwise as UNIX timestamp.
+static const int LOCKTIME_THRESHOLD = 500000000; // Tue Nov  5 00:53:20 1985 UTC
 #ifdef USE_UPNP
 static const int fHaveUPnP = true;
 #else
@@ -441,7 +443,7 @@ public:
             nBlockHeight = nBestHeight;
         if (nBlockTime == 0)
             nBlockTime = GetAdjustedTime();
-        if ((int64)nLockTime < (nLockTime < 500000000 ? (int64)nBlockHeight : nBlockTime))
+        if ((int64)nLockTime < (nLockTime < LOCKTIME_THRESHOLD ? (int64)nBlockHeight : nBlockTime))
             return true;
         BOOST_FOREACH(const CTxIn& txin, vin)
             if (!txin.IsFinal())
diff --git a/src/qt/transactionrecord.cpp b/src/qt/transactionrecord.cpp
index 1b527bc7d..c74b48bd6 100644
--- a/src/qt/transactionrecord.cpp
+++ b/src/qt/transactionrecord.cpp
@@ -195,7 +195,7 @@ void TransactionRecord::updateStatus(const CWalletTx &wtx)
 
     if (!wtx.IsFinal())
     {
-        if (wtx.nLockTime < 500000000)
+        if (wtx.nLockTime < LOCKTIME_THRESHOLD)
         {
             status.status = TransactionStatus::OpenUntilBlock;
             status.open_for = nBestHeight - wtx.nLockTime;