Update License in File Headers

[novacoin.git] / src / db.h

diff --git a/src/db.h b/src/db.h
index 5779837..8f6c42d 100644 (file)
--- a/src/db.h
+++ b/src/db.h
@@ -1,6 +1,7 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
+// Copyright (c) 2011 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
 
@@ -12,34 +13,24 @@
 
 #include <db_cxx.h>
 
-class CTransaction;
 class CTxIndex;
 class CDiskBlockIndex;
 class CDiskTxPos;
 class COutPoint;
-class CUser;
-class CReview;
 class CAddress;
 class CWalletTx;
+class CWallet;
 class CAccount;
 class CAccountingEntry;
 class CBlockLocator;
 
-extern std::vector<unsigned char> vchDefaultKey;
-extern bool fClient;
-extern int nBestHeight;
-
 
 extern unsigned int nWalletDBUpdated;
 extern DbEnv dbenv;
 
-
 extern void DBFlush(bool fShutdown);
-extern std::vector<unsigned char> GetKeyFromKeyPool();
-extern int64 GetOldestKeyPoolTime();
-extern void ThreadFlushWalletDB(void* parg);
-
-
+void ThreadFlushWalletDB(void* parg);
+bool BackupWallet(const CWallet& wallet, const std::string& strDest);
 
 
 
@@ -96,7 +87,7 @@ protected:
         if (!pdb)
             return false;
         if (fReadOnly)
-            assert(("Write called on database in read-only mode", false));
+            assert(!"Write called on database in read-only mode");
 
         // Key
         CDataStream ssKey(SER_DISK);
@@ -125,7 +116,7 @@ protected:
         if (!pdb)
             return false;
         if (fReadOnly)
-            assert(("Erase called on database in read-only mode", false));
+            assert(!"Erase called on database in read-only mode");
 
         // Key
         CDataStream ssKey(SER_DISK);
@@ -264,6 +255,8 @@ public:
     {
         return Write(std::string("version"), nVersion);
     }
+
+    bool static Rewrite(const std::string& strFile, const char* pszSkip = NULL);
 };
 
 
@@ -321,9 +314,6 @@ bool LoadAddresses();
 
 
 
-
-
-
 class CKeyPool
 {
 public:
@@ -353,10 +343,19 @@ public:
 
 
 
+enum DBErrors
+{
+    DB_LOAD_OK,
+    DB_CORRUPT,
+    DB_TOO_NEW,
+    DB_LOAD_FAIL,
+    DB_NEED_REWRITE
+};
+
 class CWalletDB : public CDB
 {
 public:
-    CWalletDB(const char* pszMode="r+") : CDB("wallet.dat", pszMode)
+    CWalletDB(std::string strFilename, const char* pszMode="r+") : CDB(strFilename.c_str(), pszMode)
     {
     }
 private:
@@ -369,23 +368,9 @@ public:
         return Read(std::make_pair(std::string("name"), strAddress), strName);
     }
 
-    bool WriteName(const std::string& strAddress, const std::string& strName)
-    {
-        CRITICAL_BLOCK(cs_mapAddressBook)
-            mapAddressBook[strAddress] = strName;
-        nWalletDBUpdated++;
-        return Write(std::make_pair(std::string("name"), strAddress), strName);
-    }
+    bool WriteName(const std::string& strAddress, const std::string& strName);
 
-    bool EraseName(const std::string& strAddress)
-    {
-        // This should only be used for sending addresses, never for receiving addresses,
-        // receiving addresses must always have an address book entry if they're not change return.
-        CRITICAL_BLOCK(cs_mapAddressBook)
-            mapAddressBook.erase(strAddress);
-        nWalletDBUpdated++;
-        return Erase(std::make_pair(std::string("name"), strAddress));
-    }
+    bool EraseName(const std::string& strAddress);
 
     bool ReadTx(uint256 hash, CWalletTx& wtx)
     {
@@ -416,6 +401,25 @@ public:
         return Write(std::make_pair(std::string("key"), vchPubKey), vchPrivKey, false);
     }
 
+    bool WriteCryptedKey(const std::vector<unsigned char>& vchPubKey, const std::vector<unsigned char>& vchCryptedSecret, bool fEraseUnencryptedKey = true)
+    {
+        nWalletDBUpdated++;
+        if (!Write(std::make_pair(std::string("ckey"), vchPubKey), vchCryptedSecret, false))
+            return false;
+        if (fEraseUnencryptedKey)
+        {
+            Erase(std::make_pair(std::string("key"), vchPubKey));
+            Erase(std::make_pair(std::string("wkey"), vchPubKey));
+        }
+        return true;
+    }
+
+    bool WriteMasterKey(unsigned int nID, const CMasterKey& kMasterKey)
+    {
+        nWalletDBUpdated++;
+        return Write(std::make_pair(std::string("mkey"), nID), kMasterKey, true);
+    }
+
     bool WriteBestBlock(const CBlockLocator& locator)
     {
         nWalletDBUpdated++;
@@ -435,11 +439,27 @@ public:
 
     bool WriteDefaultKey(const std::vector<unsigned char>& vchPubKey)
     {
-        vchDefaultKey = vchPubKey;
         nWalletDBUpdated++;
         return Write(std::string("defaultkey"), vchPubKey);
     }
 
+    bool ReadPool(int64 nPool, CKeyPool& keypool)
+    {
+        return Read(std::make_pair(std::string("pool"), nPool), keypool);
+    }
+
+    bool WritePool(int64 nPool, const CKeyPool& keypool)
+    {
+        nWalletDBUpdated++;
+        return Write(std::make_pair(std::string("pool"), nPool), keypool);
+    }
+
+    bool ErasePool(int64 nPool)
+    {
+        nWalletDBUpdated++;
+        return Erase(std::make_pair(std::string("pool"), nPool));
+    }
+
     template<typename T>
     bool ReadSetting(const std::string& strKey, T& value)
     {
@@ -459,44 +479,7 @@ public:
     int64 GetAccountCreditDebit(const std::string& strAccount);
     void ListAccountCreditDebit(const std::string& strAccount, std::list<CAccountingEntry>& acentries);
 
-    bool LoadWallet();
-protected:
-    void ReserveKeyFromKeyPool(int64& nIndex, CKeyPool& keypool);
-    void KeepKey(int64 nIndex);
-    static void ReturnKey(int64 nIndex);
-    friend class CReserveKey;
-    friend std::vector<unsigned char> GetKeyFromKeyPool();
-    friend int64 GetOldestKeyPoolTime();
-};
-
-bool LoadWallet(bool& fFirstRunRet);
-void BackupWallet(const std::string& strDest);
-
-inline bool SetAddressBookName(const std::string& strAddress, const std::string& strName)
-{
-    return CWalletDB().WriteName(strAddress, strName);
-}
-
-class CReserveKey
-{
-protected:
-    int64 nIndex;
-    std::vector<unsigned char> vchPubKey;
-public:
-    CReserveKey()
-    {
-        nIndex = -1;
-    }
-
-    ~CReserveKey()
-    {
-        if (!fShutdown)
-            ReturnKey();
-    }
-
-    std::vector<unsigned char> GetReservedKey();
-    void KeepKey();
-    void ReturnKey();
+    int LoadWallet(CWallet* pwallet);
 };
 
 #endif