new safety feature displays a warning message and locks down RPC if it detects a problem that may require an upgradev0.3.8

-- version 0.3.8

1 files changed, 13 insertions, 0 deletions

diff --git a/db.cpp b/db.cpp
index fa4ae9026f..d773d7ad3a 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;
 }