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// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2013 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_WALLETDB_H
#define BITCOIN_WALLETDB_H
#include "db.h"
#include "key.h"
#include <list>
#include <stdint.h>
#include <string>
#include <utility>
#include <vector>
class CAccount;
class CAccountingEntry;
struct CBlockLocator;
class CKeyPool;
class CMasterKey;
class CScript;
class CWallet;
class CWalletTx;
class uint160;
class uint256;
/** Error statuses for the wallet database */
enum DBErrors
{
DB_LOAD_OK,
DB_CORRUPT,
DB_NONCRITICAL_ERROR,
DB_TOO_NEW,
DB_LOAD_FAIL,
DB_NEED_REWRITE
};
class CKeyMetadata
{
public:
static const int CURRENT_VERSION=1;
int nVersion;
int64_t nCreateTime; // 0 means unknown
CKeyMetadata()
{
SetNull();
}
CKeyMetadata(int64_t nCreateTime_)
{
nVersion = CKeyMetadata::CURRENT_VERSION;
nCreateTime = nCreateTime_;
}
IMPLEMENT_SERIALIZE
(
READWRITE(this->nVersion);
nVersion = this->nVersion;
READWRITE(nCreateTime);
)
void SetNull()
{
nVersion = CKeyMetadata::CURRENT_VERSION;
nCreateTime = 0;
}
};
/** Access to the wallet database (wallet.dat) */
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 WriteName(const std::string& strAddress, const std::string& strName);
bool EraseName(const std::string& strAddress);
bool WritePurpose(const std::string& strAddress, const std::string& purpose);
bool ErasePurpose(const std::string& strAddress);
bool WriteTx(uint256 hash, const CWalletTx& wtx);
bool EraseTx(uint256 hash);
bool WriteKey(const CPubKey& vchPubKey, const CPrivKey& vchPrivKey, const CKeyMetadata &keyMeta);
bool WriteCryptedKey(const CPubKey& vchPubKey, const std::vector<unsigned char>& vchCryptedSecret, const CKeyMetadata &keyMeta);
bool WriteMasterKey(unsigned int nID, const CMasterKey& kMasterKey);
bool WriteCScript(const uint160& hash, const CScript& redeemScript);
bool WriteBestBlock(const CBlockLocator& locator);
bool ReadBestBlock(CBlockLocator& locator);
bool WriteOrderPosNext(int64_t nOrderPosNext);
bool WriteDefaultKey(const CPubKey& vchPubKey);
bool ReadPool(int64_t nPool, CKeyPool& keypool);
bool WritePool(int64_t nPool, const CKeyPool& keypool);
bool ErasePool(int64_t nPool);
bool WriteMinVersion(int nVersion);
bool ReadAccount(const std::string& strAccount, CAccount& account);
bool WriteAccount(const std::string& strAccount, const CAccount& account);
/// Write destination data key,value tuple to database
bool WriteDestData(const std::string &address, const std::string &key, const std::string &value);
/// Erase destination data tuple from wallet database
bool EraseDestData(const std::string &address, const std::string &key);
private:
bool WriteAccountingEntry(const uint64_t nAccEntryNum, const CAccountingEntry& acentry);
public:
bool WriteAccountingEntry(const CAccountingEntry& acentry);
int64_t GetAccountCreditDebit(const std::string& strAccount);
void ListAccountCreditDebit(const std::string& strAccount, std::list<CAccountingEntry>& acentries);
DBErrors ReorderTransactions(CWallet*);
DBErrors LoadWallet(CWallet* pwallet);
DBErrors FindWalletTx(CWallet* pwallet, std::vector<uint256>& vTxHash);
DBErrors ZapWalletTx(CWallet* pwallet);
static bool Recover(CDBEnv& dbenv, std::string filename, bool fOnlyKeys);
static bool Recover(CDBEnv& dbenv, std::string filename);
};
bool BackupWallet(const CWallet& wallet, const std::string& strDest);
#endif // BITCOIN_WALLETDB_H