// Copyright (c) 2009-2010 Satoshi Nakamoto
// 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.
#include "db.h"
+#include "net.h"
+#include "checkpoints.h"
#include "util.h"
#include "main.h"
-#include "wallet.h"
#include <boost/version.hpp>
#include <boost/filesystem.hpp>
#include <boost/filesystem/fstream.hpp>
CCriticalSection cs_db;
static bool fDbEnvInit = false;
+bool fDetachDB = false;
DbEnv dbenv(0);
map<string, int> mapFileUseCount;
static map<string, Db*> mapDb;
dbenv.set_lk_max_locks(10000);
dbenv.set_lk_max_objects(10000);
dbenv.set_errfile(fopen(pathErrorFile.string().c_str(), "a")); /// debug
+ dbenv.set_flags(DB_TXN_WRITE_NOSYNC, 1);
dbenv.set_flags(DB_AUTO_COMMIT, 1);
dbenv.log_set_config(DB_LOG_AUTO_REMOVE, 1);
ret = dbenv.open(pathDataDir.string().c_str(),
nMinutes = 1;
if (strFile == "addr.dat")
nMinutes = 2;
+ if (strFile == "blkindex.dat")
+ nMinutes = 2;
if (strFile == "blkindex.dat" && IsInitialBlockDownload())
nMinutes = 5;
if (pcursor)
while (fSuccess)
{
- CDataStream ssKey;
- CDataStream ssValue;
+ CDataStream ssKey(SER_DISK, CLIENT_VERSION);
+ CDataStream ssValue(SER_DISK, CLIENT_VERSION);
int ret = db.ReadAtCursor(pcursor, ssKey, ssValue, DB_NEXT);
if (ret == DB_NOTFOUND)
{
{
// Move log data to the dat file
CloseDb(strFile);
+ printf("%s checkpoint\n", strFile.c_str());
dbenv.txn_checkpoint(0, 0, 0);
- printf("%s flush\n", strFile.c_str());
- dbenv.lsn_reset(strFile.c_str(), 0);
+ if ((strFile != "blkindex.dat" && strFile != "addr.dat") || fDetachDB) {
+ printf("%s detach\n", strFile.c_str());
+ dbenv.lsn_reset(strFile.c_str(), 0);
+ }
+ printf("%s closed\n", strFile.c_str());
mapFileUseCount.erase(mi++);
}
else
loop
{
// Read next record
- CDataStream ssKey;
+ CDataStream ssKey(SER_DISK, CLIENT_VERSION);
if (fFlags == DB_SET_RANGE)
ssKey << string("owner") << hash160 << CDiskTxPos(0, 0, 0);
- CDataStream ssValue;
+ CDataStream ssValue(SER_DISK, CLIENT_VERSION);
int ret = ReadAtCursor(pcursor, ssKey, ssValue, fFlags);
fFlags = DB_NEXT;
if (ret == DB_NOTFOUND)
string strType;
uint160 hashItem;
CDiskTxPos pos;
- ssKey >> strType >> hashItem >> pos;
int nItemHeight;
- ssValue >> nItemHeight;
+
+ try {
+ ssKey >> strType >> hashItem >> pos;
+ ssValue >> nItemHeight;
+ }
+ catch (std::exception &e) {
+ return error("%s() : deserialize error", __PRETTY_FUNCTION__);
+ }
// Read transaction
if (strType != "owner" || hashItem != hash160)
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 Write(string("nBestInvalidTrust"), nBestInvalidTrust);
+}
+
+bool CTxDB::ReadSyncCheckpoint(uint256& hashCheckpoint)
+{
+ return Read(string("hashSyncCheckpoint"), hashCheckpoint);
+}
+
+bool CTxDB::WriteSyncCheckpoint(uint256 hashCheckpoint)
+{
+ return Write(string("hashSyncCheckpoint"), hashCheckpoint);
+}
+
+bool CTxDB::ReadCheckpointPubKey(string& strPubKey)
{
- return Read(string("bnBestInvalidWork"), bnBestInvalidWork);
+ return Read(string("strCheckpointPubKey"), strPubKey);
}
-bool CTxDB::WriteBestInvalidWork(CBigNum bnBestInvalidWork)
+bool CTxDB::WriteCheckpointPubKey(const string& strPubKey)
{
- return Write(string("bnBestInvalidWork"), bnBestInvalidWork);
+ return Write(string("strCheckpointPubKey"), strPubKey);
}
CBlockIndex static * InsertBlockIndex(uint256 hash)
loop
{
// Read next record
- CDataStream ssKey;
+ CDataStream ssKey(SER_DISK, CLIENT_VERSION);
if (fFlags == DB_SET_RANGE)
ssKey << make_pair(string("blockindex"), uint256(0));
- CDataStream ssValue;
+ CDataStream ssValue(SER_DISK, CLIENT_VERSION);
int ret = ReadAtCursor(pcursor, ssKey, ssValue, fFlags);
fFlags = DB_NEXT;
if (ret == DB_NOTFOUND)
return false;
// Unserialize
+
+ try {
string strType;
ssKey >> strType;
- if (strType == "blockindex")
+ if (strType == "blockindex" && !fRequestShutdown)
{
CDiskBlockIndex diskindex;
ssValue >> diskindex;
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
{
- break;
+ break; // if shutdown requested or finished loading block index
+ }
+ } // try
+ catch (std::exception &e) {
+ return error("%s() : deserialize error", __PRETTY_FUNCTION__);
}
}
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();
- }
+ if (fRequestShutdown)
+ return true;
// 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
int nCheckLevel = GetArg("-checklevel", 1);
}
}
// check level 4: check whether spent txouts were spent within the main chain
- int nOutput = 0;
+ unsigned int nOutput = 0;
if (nCheckLevel>3)
{
BOOST_FOREACH(const CDiskTxPos &txpos, txindex.vSpent)
loop
{
// Read next record
- CDataStream ssKey;
- CDataStream ssValue;
+ CDataStream ssKey(SER_DISK, CLIENT_VERSION);
+ CDataStream ssValue(SER_DISK, CLIENT_VERSION);
int ret = ReadAtCursor(pcursor, ssKey, ssValue);
if (ret == DB_NOTFOUND)
break;
git://git.novaco.in / novacoin.git / blobdiff