Update License in File Headers

[novacoin.git] / src / db.h

diff --git a/src/db.h b/src/db.h
index e593ae2..38daad3 100644 (file)
--- a/src/db.h
+++ b/src/db.h
@@ -1,7 +1,7 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
-// Copyright (c) 2011 The Bitcoin developers
+// Copyright (c) 2009-2012 The Bitcoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 #ifndef BITCOIN_DB_H
 #define BITCOIN_DB_H
 
@@ -16,6 +16,7 @@
 class CAccount;
 class CAccountingEntry;
 class CAddress;
+class CAddrMan;
 class CBlockLocator;
 class CDiskBlockIndex;
 class CDiskTxPos;
@@ -33,7 +34,7 @@ void ThreadFlushWalletDB(void* parg);
 bool BackupWallet(const CWallet& wallet, const std::string& strDest);
 
 
-
+/** RAII class that provides access to a Berkeley database */
 class CDB
 {
 protected:
@@ -265,7 +266,7 @@ public:
 
 
 
-
+/** Access to the transaction database (blkindex.dat) */
 class CTxDB : public CDB
 {
 public:
@@ -296,7 +297,7 @@ public:
 
 
 
-
+/** Access to the (IP) address database (addr.dat) */
 class CAddrDB : public CDB
 {
 public:
@@ -305,15 +306,14 @@ private:
     CAddrDB(const CAddrDB&);
     void operator=(const CAddrDB&);
 public:
-    bool WriteAddress(const CAddress& addr);
-    bool EraseAddress(const CAddress& addr);
+    bool WriteAddrman(const CAddrMan& addr);
     bool LoadAddresses();
 };
 
 bool LoadAddresses();
 
 
-
+/** A key pool entry */
 class CKeyPool
 {
 public:
@@ -342,7 +342,7 @@ public:
 
 
 
-
+/** Error statuses for the wallet database */
 enum DBErrors
 {
     DB_LOAD_OK,
@@ -352,6 +352,7 @@ enum DBErrors
     DB_NEED_REWRITE
 };
 
+/** Access to the wallet database (wallet.dat) */
 class CWalletDB : public CDB
 {
 public:
@@ -473,18 +474,29 @@ public:
         return Erase(std::make_pair(std::string("pool"), nPool));
     }
 
+    // Settings are no longer stored in wallet.dat; these are
+    // used only for backwards compatibility:
     template<typename T>
     bool ReadSetting(const std::string& strKey, T& value)
     {
         return Read(std::make_pair(std::string("setting"), strKey), value);
     }
-
     template<typename T>
     bool WriteSetting(const std::string& strKey, const T& value)
     {
         nWalletDBUpdated++;
         return Write(std::make_pair(std::string("setting"), strKey), value);
     }
+    bool EraseSetting(const std::string& strKey)
+    {
+        nWalletDBUpdated++;
+        return Erase(std::make_pair(std::string("setting"), strKey));
+    }
+
+    bool WriteMinVersion(int nVersion)
+    {
+        return Write(std::string("minversion"), nVersion);
+    }
 
     bool ReadAccount(const std::string& strAccount, CAccount& account);
     bool WriteAccount(const std::string& strAccount, const CAccount& account);