// Copyright (c) 2009-2010 Satoshi Nakamoto
-// Copyright (c) 2011 The Bitcoin developers
+// 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 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
-#include "key.h"
+#include "main.h"
#include <map>
#include <string>
#include <db_cxx.h>
-class CTxIndex;
+class CAddress;
+class CAddrMan;
+class CBlockLocator;
class CDiskBlockIndex;
class CDiskTxPos;
+class CMasterKey;
class COutPoint;
-class CAddress;
-class CWalletTx;
+class CTxIndex;
class CWallet;
-class CAccount;
-class CAccountingEntry;
-class CBlockLocator;
-
+class CWalletTx;
extern unsigned int nWalletDBUpdated;
+extern bool fDetachDB;
extern DbEnv dbenv;
extern void DBFlush(bool fShutdown);
bool BackupWallet(const CWallet& wallet, const std::string& strDest);
-
+/** RAII class that provides access to a Berkeley database */
class CDB
{
protected:
return false;
// Key
- CDataStream ssKey(SER_DISK);
+ CDataStream ssKey(SER_DISK, CLIENT_VERSION);
ssKey.reserve(1000);
ssKey << key;
Dbt datKey(&ssKey[0], ssKey.size());
return false;
// Unserialize value
- CDataStream ssValue((char*)datValue.get_data(), (char*)datValue.get_data() + datValue.get_size(), SER_DISK);
- 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());
assert(!"Write called on database in read-only mode");
// Key
- CDataStream ssKey(SER_DISK);
+ CDataStream ssKey(SER_DISK, CLIENT_VERSION);
ssKey.reserve(1000);
ssKey << key;
Dbt datKey(&ssKey[0], ssKey.size());
// Value
- CDataStream ssValue(SER_DISK);
+ CDataStream ssValue(SER_DISK, CLIENT_VERSION);
ssValue.reserve(10000);
ssValue << value;
Dbt datValue(&ssValue[0], ssValue.size());
assert(!"Erase called on database in read-only mode");
// Key
- CDataStream ssKey(SER_DISK);
+ CDataStream ssKey(SER_DISK, CLIENT_VERSION);
ssKey.reserve(1000);
ssKey << key;
Dbt datKey(&ssKey[0], ssKey.size());
return false;
// Key
- CDataStream ssKey(SER_DISK);
+ CDataStream ssKey(SER_DISK, CLIENT_VERSION);
ssKey.reserve(1000);
ssKey << key;
Dbt datKey(&ssKey[0], ssKey.size());
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);
-
+/** Access to the transaction database (blkindex.dat) */
class CTxDB : public CDB
{
public:
-
+/** Access to the (IP) address database (addr.dat) */
class CAddrDB : public CDB
{
public:
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();
-
-class CKeyPool
-{
-public:
- int64 nTime;
- std::vector<unsigned char> vchPubKey;
-
- CKeyPool()
- {
- nTime = GetTime();
- }
-
- CKeyPool(const std::vector<unsigned char>& vchPubKeyIn)
- {
- nTime = GetTime();
- vchPubKey = vchPubKeyIn;
- }
-
- IMPLEMENT_SERIALIZE
- (
- if (!(nType & SER_GETHASH))
- READWRITE(nVersion);
- READWRITE(nTime);
- READWRITE(vchPubKey);
- )
-};
-
-
-
-
-enum DBErrors
-{
- DB_LOAD_OK,
- DB_CORRUPT,
- DB_TOO_NEW,
- DB_LOAD_FAIL,
- DB_NEED_REWRITE
-};
-
-class CWalletDB : public CDB
-{
-public:
- CWalletDB(std::string strFilename, const char* pszMode="r+") : CDB(strFilename.c_str(), pszMode)
- {
- }
-private:
- CWalletDB(const CWalletDB&);
- void operator=(const CWalletDB&);
-public:
- bool ReadName(const std::string& strAddress, std::string& strName)
- {
- strName = "";
- return Read(std::make_pair(std::string("name"), strAddress), strName);
- }
-
- bool WriteName(const std::string& strAddress, const std::string& strName);
-
- bool EraseName(const std::string& strAddress);
-
- bool ReadTx(uint256 hash, CWalletTx& wtx)
- {
- return Read(std::make_pair(std::string("tx"), hash), wtx);
- }
-
- bool WriteTx(uint256 hash, const CWalletTx& wtx)
- {
- nWalletDBUpdated++;
- return Write(std::make_pair(std::string("tx"), hash), wtx);
- }
-
- bool EraseTx(uint256 hash)
- {
- nWalletDBUpdated++;
- return Erase(std::make_pair(std::string("tx"), hash));
- }
-
- bool ReadKey(const std::vector<unsigned char>& vchPubKey, CPrivKey& vchPrivKey)
- {
- vchPrivKey.clear();
- return Read(std::make_pair(std::string("key"), vchPubKey), vchPrivKey);
- }
-
- bool WriteKey(const std::vector<unsigned char>& vchPubKey, const CPrivKey& vchPrivKey)
- {
- nWalletDBUpdated++;
- 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++;
- return Write(std::string("bestblock"), locator);
- }
-
- bool ReadBestBlock(CBlockLocator& locator)
- {
- return Read(std::string("bestblock"), locator);
- }
-
- bool ReadDefaultKey(std::vector<unsigned char>& vchPubKey)
- {
- vchPubKey.clear();
- return Read(std::string("defaultkey"), vchPubKey);
- }
-
- bool WriteDefaultKey(const std::vector<unsigned char>& 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)
- {
- 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 ReadAccount(const std::string& strAccount, CAccount& account);
- bool WriteAccount(const std::string& strAccount, const CAccount& account);
- bool WriteAccountingEntry(const CAccountingEntry& acentry);
- int64 GetAccountCreditDebit(const std::string& strAccount);
- void ListAccountCreditDebit(const std::string& strAccount, std::list<CAccountingEntry>& acentries);
-
- int LoadWallet(CWallet* pwallet);
-};
-
-#endif
+#endif // BITCOIN_DB_H
git://git.novaco.in / novacoin.git / blobdiff