scanback check to prevent adding to the 74638 overflow chain

git-svn-id: https://bitcoin.svn.sourceforge.net/svnroot/bitcoin/trunk@133 1a98c847-1fd6-4fd8-948a-caf3550aa51b

1 files changed, 10 insertions, 1 deletions

diff --git a/main.cpp b/main.cpp
index 0977b32400..6fe0c0e9ed 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1393,7 +1393,16 @@ bool CBlock::AcceptBlock()
         (pindexPrev->nHeight+1 == 68555 && hash != uint256("0x00000000001e1b4903550a0b96e9a9405c8a95f387162e4944e8d9fbe501cd6a")) ||

         (pindexPrev->nHeight+1 == 70567 && hash != uint256("0x00000000006a49b14bcf27462068f1264c961f11fa2e0eddd2be0791e1d4124a")) ||

         (pindexPrev->nHeight+1 == 74000 && hash != uint256("0x0000000000573993a3c9e41ce34471c079dcf5f52a0e824a81e7f953b8661a20")))

-        return error("AcceptBlock() : rejected by checkpoint lockin");

+        return error("AcceptBlock() : rejected by checkpoint lockin at %d", pindexPrev->nHeight+1);

+

+    // Scanback checkpoint lockin

+    for (CBlockIndex* pindex = pindexPrev; pindex->nHeight >= 74000; pindex = pindex->pprev)

+    {

+        if (pindex->nHeight == 74000 && pindex->GetBlockHash() != uint256("0x0000000000573993a3c9e41ce34471c079dcf5f52a0e824a81e7f953b8661a20"))

+            return error("AcceptBlock() : rejected by scanback lockin at %d", pindex->nHeight);

+        if (pindex->nHeight == 74638 && pindex->GetBlockHash() == uint256("0x0000000000790ab3f22ec756ad43b6ab569abf0bddeb97c67a6f7b1470a7ec1c"))

+            return error("AcceptBlock() : rejected by scanback lockin at %d", pindex->nHeight);

+    }

 

     // Write block to history file

     if (!CheckDiskSpace(::GetSerializeSize(*this, SER_DISK)))