// 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.
#include "headers.h"
#include "db.h"
#include "net.h"
+#include "checkpoints.h"
#include <boost/filesystem.hpp>
#include <boost/filesystem/fstream.hpp>
static map<string, int> mapFileUseCount;
static map<string, Db*> mapDb;
+static void EnvShutdown()
+{
+ if (!fDbEnvInit)
+ return;
+
+ fDbEnvInit = false;
+ try
+ {
+ dbenv.close(0);
+ }
+ catch (const DbException& e)
+ {
+ printf("EnvShutdown exception: %s (%d)\n", e.what(), e.get_errno());
+ }
+ DbEnv(0).remove(GetDataDir().c_str(), 0);
+}
+
class CDBInit
{
public:
}
~CDBInit()
{
- if (fDbEnvInit)
- {
- dbenv.close(0);
- fDbEnvInit = false;
- }
+ EnvShutdown();
}
}
instance_of_cdbinit;
}
}
+bool CDB::Rewrite(const string& strFile, const char* pszSkip)
+{
+ while (!fShutdown)
+ {
+ CRITICAL_BLOCK(cs_db)
+ {
+ if (!mapFileUseCount.count(strFile) || mapFileUseCount[strFile] == 0)
+ {
+ // Flush log data to the dat file
+ CloseDb(strFile);
+ dbenv.txn_checkpoint(0, 0, 0);
+ dbenv.lsn_reset(strFile.c_str(), 0);
+ mapFileUseCount.erase(strFile);
+
+ bool fSuccess = true;
+ printf("Rewriting %s...\n", strFile.c_str());
+ string strFileRes = strFile + ".rewrite";
+ { // surround usage of db with extra {}
+ CDB db(strFile.c_str(), "r");
+ Db* pdbCopy = new Db(&dbenv, 0);
+
+ int ret = pdbCopy->open(NULL, // Txn pointer
+ strFileRes.c_str(), // Filename
+ "main", // Logical db name
+ DB_BTREE, // Database type
+ DB_CREATE, // Flags
+ 0);
+ if (ret > 0)
+ {
+ printf("Cannot create database file %s\n", strFileRes.c_str());
+ fSuccess = false;
+ }
+
+ Dbc* pcursor = db.GetCursor();
+ if (pcursor)
+ while (fSuccess)
+ {
+ CDataStream ssKey;
+ CDataStream ssValue;
+ int ret = db.ReadAtCursor(pcursor, ssKey, ssValue, DB_NEXT);
+ if (ret == DB_NOTFOUND)
+ {
+ pcursor->close();
+ break;
+ }
+ else if (ret != 0)
+ {
+ pcursor->close();
+ fSuccess = false;
+ break;
+ }
+ if (pszSkip &&
+ strncmp(&ssKey[0], pszSkip, std::min(ssKey.size(), strlen(pszSkip))) == 0)
+ continue;
+ if (strncmp(&ssKey[0], "\x07version", 8) == 0)
+ {
+ // Update version:
+ ssValue.clear();
+ ssValue << VERSION;
+ }
+ Dbt datKey(&ssKey[0], ssKey.size());
+ Dbt datValue(&ssValue[0], ssValue.size());
+ int ret2 = pdbCopy->put(NULL, &datKey, &datValue, DB_NOOVERWRITE);
+ if (ret2 > 0)
+ fSuccess = false;
+ }
+ if (fSuccess)
+ {
+ db.Close();
+ CloseDb(strFile);
+ if (pdbCopy->close(0))
+ fSuccess = false;
+ delete pdbCopy;
+ }
+ }
+ if (fSuccess)
+ {
+ Db dbA(&dbenv, 0);
+ if (dbA.remove(strFile.c_str(), NULL, 0))
+ fSuccess = false;
+ Db dbB(&dbenv, 0);
+ if (dbB.rename(strFileRes.c_str(), NULL, strFile.c_str(), 0))
+ fSuccess = false;
+ }
+ if (!fSuccess)
+ printf("Rewriting of %s FAILED!\n", strFileRes.c_str());
+ return fSuccess;
+ }
+ }
+ Sleep(100);
+ }
+ return false;
+}
+
+
void DBFlush(bool fShutdown)
{
// Flush log data to the actual data file
{
char** listp;
if (mapFileUseCount.empty())
+ {
dbenv.log_archive(&listp, DB_ARCH_REMOVE);
- dbenv.close(0);
- fDbEnvInit = false;
+ EnvShutdown();
+ }
}
}
}
return Write(string("hashBestChain"), hashBestChain);
}
-bool CTxDB::ReadBestInvalidWork(CBigNum& bnBestInvalidWork)
+bool CTxDB::ReadBestInvalidTrust(uint64& nBestInvalidTrust)
+{
+ return Read(string("nBestInvalidTrust"), nBestInvalidTrust);
+}
+
+bool CTxDB::WriteBestInvalidTrust(uint64 nBestInvalidTrust)
{
- return Read(string("bnBestInvalidWork"), bnBestInvalidWork);
+ return Write(string("nBestInvalidTrust"), nBestInvalidTrust);
}
-bool CTxDB::WriteBestInvalidWork(CBigNum bnBestInvalidWork)
+bool CTxDB::ReadSyncCheckpoint(uint256& hashCheckpoint)
{
- return Write(string("bnBestInvalidWork"), bnBestInvalidWork);
+ return Read(string("hashSyncCheckpoint"), hashCheckpoint);
+}
+
+bool CTxDB::WriteSyncCheckpoint(uint256 hashCheckpoint)
+{
+ return Write(string("hashSyncCheckpoint"), hashCheckpoint);
}
CBlockIndex static * InsertBlockIndex(uint256 hash)
pindexNew->pnext = InsertBlockIndex(diskindex.hashNext);
pindexNew->nFile = diskindex.nFile;
pindexNew->nBlockPos = diskindex.nBlockPos;
+ pindexNew->nChainTrust = diskindex.nChainTrust;
pindexNew->nHeight = diskindex.nHeight;
+ pindexNew->fProofOfStake = diskindex.fProofOfStake;
+ pindexNew->prevoutStake = diskindex.prevoutStake;
pindexNew->nVersion = diskindex.nVersion;
pindexNew->hashMerkleRoot = diskindex.hashMerkleRoot;
pindexNew->nTime = diskindex.nTime;
if (!pindexNew->CheckIndex())
return error("LoadBlockIndex() : CheckIndex failed at %d", pindexNew->nHeight);
+
+ // ppcoin: build setStakeSeen
+ if (pindexNew->fProofOfStake)
+ setStakeSeen.insert(make_pair(pindexNew->prevoutStake, pindexNew->nStakeTime));
}
else
{
}
pcursor->close();
- // Calculate bnChainWork
- vector<pair<int, CBlockIndex*> > vSortedByHeight;
- vSortedByHeight.reserve(mapBlockIndex.size());
- BOOST_FOREACH(const PAIRTYPE(uint256, CBlockIndex*)& item, mapBlockIndex)
- {
- CBlockIndex* pindex = item.second;
- vSortedByHeight.push_back(make_pair(pindex->nHeight, pindex));
- }
- sort(vSortedByHeight.begin(), vSortedByHeight.end());
- BOOST_FOREACH(const PAIRTYPE(int, CBlockIndex*)& item, vSortedByHeight)
- {
- CBlockIndex* pindex = item.second;
- pindex->bnChainWork = (pindex->pprev ? pindex->pprev->bnChainWork : 0) + pindex->GetBlockWork();
- }
-
// Load hashBestChain pointer to end of best chain
if (!ReadHashBestChain(hashBestChain))
{
return error("CTxDB::LoadBlockIndex() : hashBestChain not found in the block index");
pindexBest = mapBlockIndex[hashBestChain];
nBestHeight = pindexBest->nHeight;
- bnBestChainWork = pindexBest->bnChainWork;
- printf("LoadBlockIndex(): hashBestChain=%s height=%d\n", hashBestChain.ToString().substr(0,20).c_str(), nBestHeight);
+ nBestChainTrust = pindexBest->nChainTrust;
+ printf("LoadBlockIndex(): hashBestChain=%s height=%d trust=%d\n", hashBestChain.ToString().substr(0,20).c_str(), nBestHeight, nBestChainTrust);
+
+ // ppcoin: load hashSyncCheckpoint
+ if (!ReadSyncCheckpoint(Checkpoints::hashSyncCheckpoint))
+ return error("CTxDB::LoadBlockIndex() : hashSyncCheckpoint not loaded");
+ printf("LoadBlockIndex(): synchronized checkpoint %s\n", Checkpoints::hashSyncCheckpoint.ToString().c_str());
- // Load bnBestInvalidWork, OK if it doesn't exist
- ReadBestInvalidWork(bnBestInvalidWork);
+ // Load nBestInvalidTrust, OK if it doesn't exist
+ ReadBestInvalidTrust(nBestInvalidTrust);
// Verify blocks in the best chain
CBlockIndex* pindexFork = NULL;
{
CRITICAL_BLOCK(cs_mapAddresses)
{
- // Load user provided addresses
- CAutoFile filein = fopen((GetDataDir() + "/addr.txt").c_str(), "rt");
- if (filein)
- {
- try
- {
- char psz[1000];
- while (fgets(psz, sizeof(psz), filein))
- {
- CAddress addr(psz, NODE_NETWORK);
- addr.nTime = 0; // so it won't relay unless successfully connected
- if (addr.IsValid())
- AddAddress(addr);
- }
- }
- catch (...) { }
- }
-
// Get cursor
Dbc* pcursor = GetCursor();
if (!pcursor)
bool CWalletDB::WriteAccountingEntry(const CAccountingEntry& acentry)
{
- return Write(make_tuple(string("acentry"), acentry.strAccount, ++nAccountingEntryNumber), acentry);
+ return Write(boost::make_tuple(string("acentry"), acentry.strAccount, ++nAccountingEntryNumber), acentry);
}
int64 CWalletDB::GetAccountCreditDebit(const string& strAccount)
void CWalletDB::ListAccountCreditDebit(const string& strAccount, list<CAccountingEntry>& entries)
{
- int64 nCreditDebit = 0;
-
bool fAllAccounts = (strAccount == "*");
Dbc* pcursor = GetCursor();
// Read next record
CDataStream ssKey;
if (fFlags == DB_SET_RANGE)
- ssKey << make_tuple(string("acentry"), (fAllAccounts? string("") : strAccount), uint64(0));
+ ssKey << boost::make_tuple(string("acentry"), (fAllAccounts? string("") : strAccount), uint64(0));
CDataStream ssValue;
int ret = ReadAtCursor(pcursor, ssKey, ssValue, fFlags);
fFlags = DB_NEXT;
}
-bool CWalletDB::LoadWallet(CWallet* pwallet)
+int CWalletDB::LoadWallet(CWallet* pwallet)
{
pwallet->vchDefaultKey.clear();
int nFileVersion = 0;
vector<uint256> vWalletUpgrade;
+ bool fIsEncrypted = false;
// Modify defaults
-#ifndef __WXMSW__
+#ifndef WIN32
// Tray icon sometimes disappears on 9.10 karmic koala 64-bit, leaving no way to access the program
fMinimizeToTray = false;
fMinimizeOnClose = false;
#endif
//// todo: shouldn't we catch exceptions and try to recover and continue?
- CRITICAL_BLOCK(pwallet->cs_mapWallet)
- CRITICAL_BLOCK(pwallet->cs_KeyStore)
+ CRITICAL_BLOCK(pwallet->cs_wallet)
{
// Get cursor
Dbc* pcursor = GetCursor();
if (!pcursor)
- return false;
+ return DB_CORRUPT;
loop
{
if (ret == DB_NOTFOUND)
break;
else if (ret != 0)
- return false;
+ return DB_CORRUPT;
// Unserialize
// Taking advantage of the fact that pair serialization
ssValue >> wkey;
key.SetPrivKey(wkey.vchPrivKey);
}
- pwallet->LoadKey(key);
+ if (!pwallet->LoadKey(key))
+ return DB_CORRUPT;
+ }
+ else if (strType == "mkey")
+ {
+ unsigned int nID;
+ ssKey >> nID;
+ CMasterKey kMasterKey;
+ ssValue >> kMasterKey;
+ if(pwallet->mapMasterKeys.count(nID) != 0)
+ return DB_CORRUPT;
+ pwallet->mapMasterKeys[nID] = kMasterKey;
+ if (pwallet->nMasterKeyMaxID < nID)
+ pwallet->nMasterKeyMaxID = nID;
+ }
+ else if (strType == "ckey")
+ {
+ vector<unsigned char> vchPubKey;
+ ssKey >> vchPubKey;
+ vector<unsigned char> vchPrivKey;
+ ssValue >> vchPrivKey;
+ if (!pwallet->LoadCryptedKey(vchPubKey, vchPrivKey))
+ return DB_CORRUPT;
+ fIsEncrypted = true;
}
else if (strType == "defaultkey")
{
ssKey >> strKey;
// Options
-#ifndef GUI
+#ifndef QT_GUI
if (strKey == "fGenerateBitcoins") ssValue >> fGenerateBitcoins;
#endif
if (strKey == "nTransactionFee") ssValue >> nTransactionFee;
- if (strKey == "addrIncoming") ssValue >> addrIncoming;
if (strKey == "fLimitProcessors") ssValue >> fLimitProcessors;
if (strKey == "nLimitProcessors") ssValue >> nLimitProcessors;
if (strKey == "fMinimizeToTray") ssValue >> fMinimizeToTray;
if (strKey == "fUseProxy") ssValue >> fUseProxy;
if (strKey == "addrProxy") ssValue >> addrProxy;
if (fHaveUPnP && strKey == "fUseUPnP") ssValue >> fUseUPnP;
+ if (strKey == "nBalanceReserve") ssValue >> nBalanceReserve;
+ }
+ else if (strType == "minversion")
+ {
+ int nMinVersion = 0;
+ ssValue >> nMinVersion;
+ if (nMinVersion > VERSION)
+ return DB_TOO_NEW;
}
}
pcursor->close();
printf("nFileVersion = %d\n", nFileVersion);
printf("fGenerateBitcoins = %d\n", fGenerateBitcoins);
printf("nTransactionFee = %"PRI64d"\n", nTransactionFee);
- printf("addrIncoming = %s\n", addrIncoming.ToString().c_str());
printf("fMinimizeToTray = %d\n", fMinimizeToTray);
printf("fMinimizeOnClose = %d\n", fMinimizeOnClose);
printf("fUseProxy = %d\n", fUseProxy);
printf("fUseUPnP = %d\n", fUseUPnP);
- // Upgrade
- if (nFileVersion < VERSION)
+ // Rewrite encrypted wallets of versions 0.4.0 and 0.5.0rc:
+ if (fIsEncrypted && (nFileVersion == 40000 || nFileVersion == 50000))
+ return DB_NEED_REWRITE;
+
+ if (nFileVersion < VERSION) // Update
{
// Get rid of old debug.log file in current directory
if (nFileVersion <= 105 && !pszSetDataDir[0])
WriteVersion(VERSION);
}
-
- return true;
+ return DB_LOAD_OK;
}
void ThreadFlushWalletDB(void* parg)
git://git.novaco.in / novacoin.git / blobdiff