PPCoin: Remove automatic checkpoint code

[novacoin.git] / src / db.h

diff --git a/src/db.h b/src/db.h
index bd8254f..a899e51 100644 (file)
--- a/src/db.h
+++ b/src/db.h
@@ -1,4 +1,6 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
+// Copyright (c) 2011 The Bitcoin developers
+// Copyright (c) 2011-2012 The PPCoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
 // file license.txt or http://www.opensource.org/licenses/mit-license.php.
 #ifndef BITCOIN_DB_H
@@ -27,14 +29,12 @@ class CBlockLocator;
 extern unsigned int nWalletDBUpdated;
 extern DbEnv dbenv;
 
-
 extern void DBFlush(bool fShutdown);
 void ThreadFlushWalletDB(void* parg);
 bool BackupWallet(const CWallet& wallet, const std::string& strDest);
 
 
 
-
 class CDB
 {
 protected:
@@ -256,6 +256,8 @@ public:
     {
         return Write(std::string("version"), nVersion);
     }
+
+    bool static Rewrite(const std::string& strFile, const char* pszSkip = NULL);
 };
 
 
@@ -287,8 +289,10 @@ 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 LoadBlockIndex();
 };
 
@@ -346,7 +350,9 @@ enum DBErrors
 {
     DB_LOAD_OK,
     DB_CORRUPT,
-    DB_TOO_NEW
+    DB_TOO_NEW,
+    DB_LOAD_FAIL,
+    DB_NEED_REWRITE
 };
 
 class CWalletDB : public CDB