erase the bad chain after disconnecting it

git-svn-id: https://bitcoin.svn.sourceforge.net/svnroot/bitcoin/trunk@138 1a98c847-1fd6-4fd8-948a-caf3550aa51b

1 files changed, 12 insertions, 0 deletions

diff --git a/db.cpp b/db.cpp
index 8134a9059c..c6127a318d 100644
--- a/db.cpp
+++ b/db.cpp
@@ -460,9 +460,12 @@ bool CTxDB::LoadBlockIndex()
     ReadBestInvalidWork(bnBestInvalidWork);

 

     // Verify blocks in the best chain

+    vector<CBlockIndex*> vChain;

+    vector<CBlockIndex*> vBad;

     CBlockIndex* pindexFork = NULL;

     for (CBlockIndex* pindex = pindexBest; pindex && pindex->pprev; pindex = pindex->pprev)

     {

+        vChain.push_back(pindex);

         CBlock block;

         if (!block.ReadFromDisk(pindex))

             return error("LoadBlockIndex() : block.ReadFromDisk failed");

@@ -470,6 +473,7 @@ bool CTxDB::LoadBlockIndex()
         {

             printf("LoadBlockIndex() : *** found bad block at %d, hash=%s\n", pindex->nHeight, pindex->GetBlockHash().ToString().c_str());

             pindexFork = pindex->pprev;

+            vBad = vChain;

         }

     }

     if (pindexFork)

@@ -480,6 +484,14 @@ bool CTxDB::LoadBlockIndex()
             return error("LoadBlockIndex() : block.ReadFromDisk failed");

         CTxDB txdb;

         block.SetBestChain(txdb, pindexFork);

+

+        // Delete the bad chain

+        foreach(CBlockIndex* pindex, vBad)

+        {

+            txdb.EraseBlockIndex(pindex->GetBlockHash());

+            mapBlockIndex.erase(pindex->GetBlockHash());

+            delete pindex;

+        }

     }

 

     return true;