From 2c06be915de967494920bdbb3096bbb455ccf99f Mon Sep 17 00:00:00 2001
From: s_nakamoto <s_nakamoto@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
Date: Tue, 3 Aug 2010 18:25:05 +0000
Subject: new safety feature displays a warning message and locks down RPC if
 it detects a problem that may require an upgrade -- version 0.3.8

git-svn-id: https://bitcoin.svn.sourceforge.net/svnroot/bitcoin/trunk@122 1a98c847-1fd6-4fd8-948a-caf3550aa51b
---
 db.cpp | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'db.cpp')

diff --git a/db.cpp b/db.cpp
index 509656658..7116b0aa3 100644
--- a/db.cpp
+++ b/db.cpp
@@ -342,6 +342,16 @@ bool CTxDB::WriteHashBestChain(uint256 hashBestChain)
     return Write(string("hashBestChain"), hashBestChain);
 }
 
+bool CTxDB::ReadBestInvalidWork(CBigNum& bnBestInvalidWork)
+{
+    return Read(string("bnBestInvalidWork"), bnBestInvalidWork);
+}
+
+bool CTxDB::WriteBestInvalidWork(CBigNum bnBestInvalidWork)
+{
+    return Write(string("bnBestInvalidWork"), bnBestInvalidWork);
+}
+
 CBlockIndex* InsertBlockIndex(uint256 hash)
 {
     if (hash == 0)
@@ -446,6 +456,9 @@ bool CTxDB::LoadBlockIndex()
     bnBestChainWork = pindexBest->bnChainWork;
     printf("LoadBlockIndex(): hashBestChain=%s  height=%d\n", hashBestChain.ToString().substr(0,16).c_str(), nBestHeight);
 
+    // Load bnBestInvalidWork, OK if it doesn't exist
+    ReadBestInvalidWork(bnBestInvalidWork);
+
     return true;
 }
 
-- 
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