X-Git-Url: https://git.novaco.in/?a=blobdiff_plain;f=src%2Fdb.h;h=792d5ca86e384b13765a91056094d889c2705ef1;hb=0561bbd1c69263dceb24ffacf850788e6e961a13;hp=ae0ffd277f60c79b8adf9517f49eb36dbd813c86;hpb=e10622d1297e638109bbf58c35ad008f7acbae7c;p=novacoin.git

diff --git a/src/db.h b/src/db.h
index ae0ffd2..792d5ca 100644
--- a/src/db.h
+++ b/src/db.h
@@ -1,5 +1,6 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2009-2012 The Bitcoin developers
+// Copyright (c) 2011-2012 The PPCoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 #ifndef BITCOIN_DB_H
@@ -72,8 +73,13 @@ protected:
             return false;
 
         // Unserialize value
-        CDataStream ssValue((char*)datValue.get_data(), (char*)datValue.get_data() + datValue.get_size(), SER_DISK, CLIENT_VERSION);
-        ssValue >> value;
+        try {
+            CDataStream ssValue((char*)datValue.get_data(), (char*)datValue.get_data() + datValue.get_size(), SER_DISK, CLIENT_VERSION);
+            ssValue >> value;
+        }
+        catch (std::exception &e) {
+            return false;
+        }
 
         // Clear and free memory
         memset(datValue.get_data(), 0, datValue.get_size());
@@ -216,7 +222,7 @@ public:
         if (!pdb)
             return false;
         DbTxn* ptxn = NULL;
-        int ret = dbenv.txn_begin(GetTxn(), &ptxn, DB_TXN_NOSYNC);
+        int ret = dbenv.txn_begin(GetTxn(), &ptxn, DB_TXN_WRITE_NOSYNC);
         if (!ptxn || ret != 0)
             return false;
         vTxn.push_back(ptxn);
@@ -288,8 +294,12 @@ public:
     bool EraseBlockIndex(uint256 hash);
     bool ReadHashBestChain(uint256& hashBestChain);
     bool WriteHashBestChain(uint256 hashBestChain);
-    bool ReadBestInvalidWork(CBigNum& bnBestInvalidWork);
-    bool WriteBestInvalidWork(CBigNum bnBestInvalidWork);
+    bool ReadBestInvalidTrust(uint64& nBestInvalidTrust);
+    bool WriteBestInvalidTrust(uint64 nBestInvalidTrust);
+    bool ReadSyncCheckpoint(uint256& hashCheckpoint);
+    bool WriteSyncCheckpoint(uint256 hashCheckpoint);
+    bool ReadCheckpointPubKey(std::string& strPubKey);
+    bool WriteCheckpointPubKey(const std::string& strPubKey);
     bool LoadBlockIndex();
 };