#include "db.h"
#include "net.h"
-#include "checkpoints.h"
#include "util.h"
#include "main.h"
-#include "kernel.h"
#include "ui_interface.h"
-#include <boost/version.hpp>
+
#include <boost/filesystem.hpp>
-#include <boost/filesystem/fstream.hpp>
#ifndef WIN32
#include "sys/stat.h"
#endif
using namespace std;
-using namespace boost;
-
-
-unsigned int nWalletDBUpdated;
-
+uint32_t nWalletDBUpdated;
+extern bool fUseMemoryLog;
//
// CDB
DbEnv(0).remove(strPath.c_str(), 0);
}
-CDBEnv::CDBEnv() : dbenv(DB_CXX_NO_EXCEPTIONS)
-{
- fDbEnvInit = false;
- fMockDb = false;
-}
+CDBEnv::CDBEnv() : fDetachDB(false), fDbEnvInit(false), fMockDb(false), dbenv(DB_CXX_NO_EXCEPTIONS) { }
CDBEnv::~CDBEnv()
{
return false;
pathEnv = pathEnv_;
- filesystem::path pathDataDir = pathEnv;
+ boost::filesystem::path pathDataDir = pathEnv;
strPath = pathDataDir.string();
- filesystem::path pathLogDir = pathDataDir / "database";
- filesystem::create_directory(pathLogDir);
- filesystem::path pathErrorFile = pathDataDir / "db.log";
+ boost::filesystem::path pathLogDir = pathDataDir / "database";
+ boost::filesystem::create_directory(pathLogDir);
+ boost::filesystem::path pathErrorFile = pathDataDir / "db.log";
printf("dbenv.open LogDir=%s ErrorFile=%s\n", pathLogDir.string().c_str(), pathErrorFile.string().c_str());
- unsigned int nEnvFlags = 0;
+ uint32_t nEnvFlags = 0;
if (GetBoolArg("-privdb", true))
nEnvFlags |= DB_PRIVATE;
- int nDbCache = GetArg("-dbcache", 25);
+ int nDbCache = GetArgInt("-dbcache", 25);
dbenv.set_lg_dir(pathLogDir.string().c_str());
dbenv.set_cachesize(nDbCache / 1024, (nDbCache % 1024)*1048576, 1);
dbenv.set_lg_bsize(1048576);
dbenv.set_errfile(fopen(pathErrorFile.string().c_str(), "a")); /// debug
dbenv.set_flags(DB_AUTO_COMMIT, 1);
dbenv.set_flags(DB_TXN_WRITE_NOSYNC, 1);
-// dbenv.log_set_config(DB_LOG_AUTO_REMOVE, 1);
+#ifdef DB_LOG_AUTO_REMOVE
+ dbenv.log_set_config(DB_LOG_AUTO_REMOVE, 1);
+#endif
int ret = dbenv.open(strPath.c_str(),
DB_CREATE |
DB_INIT_LOCK |
fDbEnvInit = true;
fMockDb = false;
+#ifndef USE_LEVELDB
// Check that the number of locks is sufficient (to prevent chain fork possibility, read http://bitcoin.org/may15 for more info)
u_int32_t nMaxLocks;
if (!dbenv.get_lk_max_locks(&nMaxLocks))
{
int nBlocks, nDeepReorg;
- std::string strMessage;
+ string strMessage;
nBlocks = nMaxLocks / 48768;
nDeepReorg = (nBlocks - 1) / 2;
- printf("Final lk_max_locks is %lu, sufficient for (worst case) %d block%s in a single transaction (up to a %d-deep reorganization)\n", (unsigned long)nMaxLocks, nBlocks, (nBlocks == 1) ? "" : "s", nDeepReorg);
+ printf("Final lk_max_locks is %u, sufficient for (worst case) %d block%s in a single transaction (up to a %d-deep reorganization)\n", nMaxLocks, nBlocks, (nBlocks == 1) ? "" : "s", nDeepReorg);
if (nDeepReorg < 3)
{
if (nBlocks < 1)
- strMessage = strprintf(_("Warning: DB_CONFIG has set_lk_max_locks %lu, which may be too low for a single block. If this limit is reached, NovaCoin may stop working."), (unsigned long)nMaxLocks);
+ strMessage = strprintf(_("Warning: DB_CONFIG has set_lk_max_locks %u, which may be too low for a single block. If this limit is reached, NovaCoin may stop working."), nMaxLocks);
else
- strMessage = strprintf(_("Warning: DB_CONFIG has set_lk_max_locks %lu, which may be too low for a common blockchain reorganization. If this limit is reached, NovaCoin may stop working."), (unsigned long)nMaxLocks);
+ strMessage = strprintf(_("Warning: DB_CONFIG has set_lk_max_locks %u, which may be too low for a common blockchain reorganization. If this limit is reached, NovaCoin may stop working."), nMaxLocks);
strMiscWarning = strMessage;
printf("*** %s\n", strMessage.c_str());
}
}
+#endif
return true;
}
-void CDBEnv::MakeMock()
-{
- if (fDbEnvInit)
- throw runtime_error("CDBEnv::MakeMock(): already initialized");
-
- if (fShutdown)
- throw runtime_error("CDBEnv::MakeMock(): during shutdown");
-
- printf("CDBEnv::MakeMock()\n");
-
- dbenv.set_cachesize(1, 0, 1);
- dbenv.set_lg_bsize(10485760*4);
- dbenv.set_lg_max(10485760);
- dbenv.set_lk_max_locks(10000);
- dbenv.set_lk_max_objects(10000);
- dbenv.set_flags(DB_AUTO_COMMIT, 1);
-// dbenv.log_set_config(DB_LOG_IN_MEMORY, 1);
- int ret = dbenv.open(NULL,
- DB_CREATE |
- DB_INIT_LOCK |
- DB_INIT_LOG |
- DB_INIT_MPOOL |
- DB_INIT_TXN |
- DB_THREAD |
- DB_PRIVATE,
- S_IRUSR | S_IWUSR);
- if (ret > 0)
- throw runtime_error(strprintf("CDBEnv::MakeMock(): error %d opening database environment", ret));
-
- fDbEnvInit = true;
- fMockDb = true;
-}
-
-CDBEnv::VerifyResult CDBEnv::Verify(std::string strFile, bool (*recoverFunc)(CDBEnv& dbenv, std::string strFile))
+CDBEnv::VerifyResult CDBEnv::Verify(string strFile, bool (*recoverFunc)(CDBEnv& dbenv, string strFile))
{
LOCK(cs_db);
assert(mapFileUseCount.count(strFile) == 0);
return (fRecovered ? RECOVER_OK : RECOVER_FAIL);
}
-bool CDBEnv::Salvage(std::string strFile, bool fAggressive,
- std::vector<CDBEnv::KeyValPair >& vResult)
+bool CDBEnv::Salvage(string strFile, bool fAggressive,
+ vector<CDBEnv::KeyValPair >& vResult)
{
LOCK(cs_db);
assert(mapFileUseCount.count(strFile) == 0);
while (!strDump.eof() && strLine != "HEADER=END")
getline(strDump, strLine); // Skip past header
- std::string keyHex, valueHex;
+ string keyHex, valueHex;
while (!strDump.eof() && keyHex != "DATA=END")
{
getline(strDump, keyHex);
- if (keyHex != "DATA_END")
+ if (keyHex != "DATA=END")
{
getline(strDump, valueHex);
vResult.push_back(make_pair(ParseHex(keyHex),ParseHex(valueHex)));
}
-void CDBEnv::CheckpointLSN(std::string strFile)
+void CDBEnv::CheckpointLSN(string strFile)
{
dbenv.txn_checkpoint(0, 0, 0);
if (fMockDb)
CDB::CDB(const char *pszFile, const char* pszMode) :
- pdb(NULL), activeTxn(NULL)
+ pdb(NULL), activeTxn(NULL), fReadOnly(true)
{
int ret;
if (pszFile == NULL)
return;
fReadOnly = (!strchr(pszMode, '+') && !strchr(pszMode, 'w'));
- bool fCreate = strchr(pszMode, 'c');
- unsigned int nFlags = DB_THREAD;
+ bool fCreate = strchr(pszMode, 'c') != NULL;
+ uint32_t nFlags = DB_THREAD;
if (fCreate)
nFlags |= DB_CREATE;
{
pdb = new Db(&bitdb.dbenv, 0);
- bool fMockDb = bitdb.IsMock();
- if (fMockDb)
- {
- DbMpoolFile*mpf = pdb->get_mpf();
- ret = mpf->set_flags(DB_MPOOL_NOFILE, 1);
- if (ret != 0)
- throw runtime_error(strprintf("CDB() : failed to configure for no temp file backing for database %s", pszFile));
- }
-
ret = pdb->open(NULL, // Txn pointer
- fMockDb ? NULL : pszFile, // Filename
+ pszFile, // Filename
"main", // Logical db name
DB_BTREE, // Database type
nFlags, // Flags
delete pdb;
pdb = NULL;
--bitdb.mapFileUseCount[strFile];
- strFile = "";
+ strFile.clear();
throw runtime_error(strprintf("CDB() : can't open database file %s, error %d", pszFile, ret));
}
}
}
-static bool IsChainFile(std::string strFile)
+static bool IsChainFile(string strFile)
{
if (strFile == "blkindex.dat")
return true;
pdb = NULL;
// Flush database activity from memory pool to disk log
- unsigned int nMinutes = 0;
+ uint32_t nMinutes = 0;
if (fReadOnly)
nMinutes = 1;
if (IsChainFile(strFile))
if (IsChainFile(strFile) && IsInitialBlockDownload())
nMinutes = 5;
- bitdb.dbenv.txn_checkpoint(nMinutes ? GetArg("-dblogsize", 100)*1024 : 0, nMinutes, 0);
+ bitdb.dbenv.txn_checkpoint(nMinutes ? GetArgUInt("-dblogsize", 100)*1024 : 0, nMinutes, 0);
{
LOCK(bitdb.cs_db);
return (rc == 0);
}
+DbTxn *CDBEnv::TxnBegin(int flags)
+{
+ DbTxn* ptxn = NULL;
+ int ret = dbenv.txn_begin(NULL, &ptxn, flags);
+ if (!ptxn || ret != 0)
+ return NULL;
+ return ptxn;
+}
+
+Dbc* CDB::GetCursor()
+{
+ if (!pdb)
+ return NULL;
+ Dbc* pcursor = NULL;
+ int ret = pdb->cursor(NULL, &pcursor, 0);
+ if (ret != 0)
+ return NULL;
+ return pcursor;
+}
+
+int CDB::ReadAtCursor(Dbc* pcursor, CDataStream& ssKey, CDataStream& ssValue, unsigned int fFlags)
+{
+ // Read at cursor
+ Dbt datKey;
+ if (fFlags == DB_SET || fFlags == DB_SET_RANGE || fFlags == DB_GET_BOTH || fFlags == DB_GET_BOTH_RANGE)
+ {
+ datKey.set_data(&ssKey[0]);
+ datKey.set_size((uint32_t)ssKey.size());
+ }
+ Dbt datValue;
+ if (fFlags == DB_GET_BOTH || fFlags == DB_GET_BOTH_RANGE)
+ {
+ datValue.set_data(&ssValue[0]);
+ datValue.set_size((uint32_t)ssValue.size());
+ }
+ datKey.set_flags(DB_DBT_MALLOC);
+ datValue.set_flags(DB_DBT_MALLOC);
+ int ret = pcursor->get(&datKey, &datValue, fFlags);
+ if (ret != 0)
+ return ret;
+ else if (datKey.get_data() == NULL || datValue.get_data() == NULL)
+ return 99999;
+
+ // Convert to streams
+ ssKey.SetType(SER_DISK);
+ ssKey.clear();
+ ssKey.write((char*)datKey.get_data(), datKey.get_size());
+ ssValue.SetType(SER_DISK);
+ ssValue.clear();
+ ssValue.write((char*)datValue.get_data(), datValue.get_size());
+
+ // Clear and free memory
+ memset(datKey.get_data(), 0, datKey.get_size());
+ memset(datValue.get_data(), 0, datValue.get_size());
+ free(datKey.get_data());
+ free(datValue.get_data());
+ return 0;
+}
+
+bool CDB::TxnBegin()
+{
+ if (!pdb || activeTxn)
+ return false;
+ DbTxn* ptxn = bitdb.TxnBegin();
+ if (!ptxn)
+ return false;
+ activeTxn = ptxn;
+ return true;
+}
+
+bool CDB::TxnCommit()
+{
+ if (!pdb || !activeTxn)
+ return false;
+ int ret = activeTxn->commit(0);
+ activeTxn = NULL;
+ return (ret == 0);
+}
+
+bool CDB::TxnAbort()
+{
+ if (!pdb || !activeTxn)
+ return false;
+ int ret = activeTxn->abort();
+ activeTxn = NULL;
+ return (ret == 0);
+}
+
+bool CDB::ReadVersion(int& nVersion)
+{
+ nVersion = 0;
+ return Read(std::string("version"), nVersion);
+}
+
+bool CDB::WriteVersion(int nVersion)
+{
+ return Write(std::string("version"), nVersion);
+}
+
bool CDB::Rewrite(const string& strFile, const char* pszSkip)
{
while (!fShutdown)
}
Dbc* pcursor = db.GetCursor();
- if (pcursor)
+ if (pcursor) {
while (fSuccess)
{
CDataStream ssKey(SER_DISK, CLIENT_VERSION);
fSuccess = false;
break;
}
- if (pszSkip &&
- strncmp(&ssKey[0], pszSkip, std::min(ssKey.size(), strlen(pszSkip))) == 0)
- continue;
+
+ if (pszSkip != NULL)
+ {
+ size_t pszSkipLen = strlen(pszSkip);
+ if (strncmp(&ssKey[0], pszSkip, min(ssKey.size(), pszSkipLen)) == 0)
+ continue;
+ }
+
if (strncmp(&ssKey[0], "\x07version", 8) == 0)
{
// Update version:
if (ret2 > 0)
fSuccess = false;
}
+ }
if (fSuccess)
{
db.Close();
void CDBEnv::Flush(bool fShutdown)
{
- int64 nStart = GetTimeMillis();
+ int64_t nStart = GetTimeMillis();
// Flush log data to the actual data file
// on all files that are not in use
printf("Flush(%s)%s\n", fShutdown ? "true" : "false", fDbEnvInit ? "" : " db not started");
return;
{
LOCK(cs_db);
- map<string, int>::iterator mi = mapFileUseCount.begin();
+ auto mi = mapFileUseCount.begin();
while (mi != mapFileUseCount.end())
{
string strFile = (*mi).first;
else
mi++;
}
- printf("DBFlush(%s)%s ended %15"PRI64d"ms\n", fShutdown ? "true" : "false", fDbEnvInit ? "" : " db not started", GetTimeMillis() - nStart);
+ printf("DBFlush(%s)%s ended %15" PRId64 "ms\n", fShutdown ? "true" : "false", fDbEnvInit ? "" : " db not started", GetTimeMillis() - nStart);
if (fShutdown)
{
char** listp;
}
-
-
-
-
-//
-// CTxDB
-//
-
-bool CTxDB::ReadTxIndex(uint256 hash, CTxIndex& txindex)
-{
- assert(!fClient);
- txindex.SetNull();
- return Read(make_pair(string("tx"), hash), txindex);
-}
-
-bool CTxDB::UpdateTxIndex(uint256 hash, const CTxIndex& txindex)
-{
- assert(!fClient);
- return Write(make_pair(string("tx"), hash), txindex);
-}
-
-bool CTxDB::AddTxIndex(const CTransaction& tx, const CDiskTxPos& pos, int nHeight)
-{
- assert(!fClient);
-
- // Add to tx index
- uint256 hash = tx.GetHash();
- CTxIndex txindex(pos, tx.vout.size());
- return Write(make_pair(string("tx"), hash), txindex);
-}
-
-bool CTxDB::EraseTxIndex(const CTransaction& tx)
-{
- assert(!fClient);
- uint256 hash = tx.GetHash();
-
- return Erase(make_pair(string("tx"), hash));
-}
-
-bool CTxDB::ContainsTx(uint256 hash)
-{
- assert(!fClient);
- return Exists(make_pair(string("tx"), hash));
-}
-
-bool CTxDB::ReadDiskTx(uint256 hash, CTransaction& tx, CTxIndex& txindex)
-{
- assert(!fClient);
- tx.SetNull();
- if (!ReadTxIndex(hash, txindex))
- return false;
- return (tx.ReadFromDisk(txindex.pos));
-}
-
-bool CTxDB::ReadDiskTx(uint256 hash, CTransaction& tx)
-{
- CTxIndex txindex;
- return ReadDiskTx(hash, tx, txindex);
-}
-
-bool CTxDB::ReadDiskTx(COutPoint outpoint, CTransaction& tx, CTxIndex& txindex)
-{
- return ReadDiskTx(outpoint.hash, tx, txindex);
-}
-
-bool CTxDB::ReadDiskTx(COutPoint outpoint, CTransaction& tx)
-{
- CTxIndex txindex;
- return ReadDiskTx(outpoint.hash, tx, txindex);
-}
-
-bool CTxDB::WriteBlockIndex(const CDiskBlockIndex& blockindex)
-{
- return Write(make_pair(string("blockindex"), blockindex.GetBlockHash()), blockindex);
-}
-
-bool CTxDB::ReadHashBestChain(uint256& hashBestChain)
-{
- return Read(string("hashBestChain"), hashBestChain);
-}
-
-bool CTxDB::WriteHashBestChain(uint256 hashBestChain)
-{
- return Write(string("hashBestChain"), hashBestChain);
-}
-
-bool CTxDB::ReadBestInvalidTrust(CBigNum& bnBestInvalidTrust)
-{
- return Read(string("bnBestInvalidTrust"), bnBestInvalidTrust);
-}
-
-bool CTxDB::WriteBestInvalidTrust(CBigNum bnBestInvalidTrust)
-{
- return Write(string("bnBestInvalidTrust"), bnBestInvalidTrust);
-}
-
-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("strCheckpointPubKey"), strPubKey);
-}
-
-bool CTxDB::WriteCheckpointPubKey(const string& strPubKey)
-{
- return Write(string("strCheckpointPubKey"), strPubKey);
-}
-
-CBlockIndex static * InsertBlockIndex(uint256 hash)
-{
- if (hash == 0)
- return NULL;
-
- // Return existing
- map<uint256, CBlockIndex*>::iterator mi = mapBlockIndex.find(hash);
- if (mi != mapBlockIndex.end())
- return (*mi).second;
-
- // Create new
- CBlockIndex* pindexNew = new CBlockIndex();
- if (!pindexNew)
- throw runtime_error("LoadBlockIndex() : new CBlockIndex failed");
- mi = mapBlockIndex.insert(make_pair(hash, pindexNew)).first;
- pindexNew->phashBlock = &((*mi).first);
-
- return pindexNew;
-}
-
-bool CTxDB::LoadBlockIndex()
-{
- if (!LoadBlockIndexGuts())
- return false;
-
- if (fRequestShutdown)
- return true;
-
- // Calculate bnChainTrust
- 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->bnChainTrust = (pindex->pprev ? pindex->pprev->bnChainTrust : 0) + pindex->GetBlockTrust();
- // ppcoin: calculate stake modifier checksum
- pindex->nStakeModifierChecksum = GetStakeModifierChecksum(pindex);
- if (!CheckStakeModifierCheckpoints(pindex->nHeight, pindex->nStakeModifierChecksum))
- return error("CTxDB::LoadBlockIndex() : Failed stake modifier checkpoint height=%d, modifier=0x%016"PRI64x, pindex->nHeight, pindex->nStakeModifier);
- }
-
- // Load hashBestChain pointer to end of best chain
- if (!ReadHashBestChain(hashBestChain))
- {
- if (pindexGenesisBlock == NULL)
- return true;
- return error("CTxDB::LoadBlockIndex() : hashBestChain not loaded");
- }
- if (!mapBlockIndex.count(hashBestChain))
- return error("CTxDB::LoadBlockIndex() : hashBestChain not found in the block index");
- pindexBest = mapBlockIndex[hashBestChain];
- nBestHeight = pindexBest->nHeight;
- bnBestChainTrust = pindexBest->bnChainTrust;
- printf("LoadBlockIndex(): hashBestChain=%s height=%d trust=%s date=%s\n",
- hashBestChain.ToString().substr(0,20).c_str(), nBestHeight, bnBestChainTrust.ToString().c_str(),
- DateTimeStrFormat("%x %H:%M:%S", pindexBest->GetBlockTime()).c_str());
-
- // 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 bnBestInvalidTrust, OK if it doesn't exist
- ReadBestInvalidTrust(bnBestInvalidTrust);
-
- // Verify blocks in the best chain
- int nCheckLevel = GetArg("-checklevel", 1);
- int nCheckDepth = GetArg( "-checkblocks", 2500);
- if (nCheckDepth == 0)
- nCheckDepth = 1000000000; // suffices until the year 19000
- if (nCheckDepth > nBestHeight)
- nCheckDepth = nBestHeight;
- printf("Verifying last %i blocks at level %i\n", nCheckDepth, nCheckLevel);
- CBlockIndex* pindexFork = NULL;
- map<pair<unsigned int, unsigned int>, CBlockIndex*> mapBlockPos;
- for (CBlockIndex* pindex = pindexBest; pindex && pindex->pprev; pindex = pindex->pprev)
- {
- if (fRequestShutdown || pindex->nHeight < nBestHeight-nCheckDepth)
- break;
- CBlock block;
- if (!block.ReadFromDisk(pindex))
- return error("LoadBlockIndex() : block.ReadFromDisk failed");
- // check level 1: verify block validity
- if (nCheckLevel>0 && !block.CheckBlock())
- {
- printf("LoadBlockIndex() : *** found bad block at %d, hash=%s\n", pindex->nHeight, pindex->GetBlockHash().ToString().c_str());
- pindexFork = pindex->pprev;
- }
- // check level 2: verify transaction index validity
- if (nCheckLevel>1)
- {
- pair<unsigned int, unsigned int> pos = make_pair(pindex->nFile, pindex->nBlockPos);
- mapBlockPos[pos] = pindex;
- BOOST_FOREACH(const CTransaction &tx, block.vtx)
- {
- uint256 hashTx = tx.GetHash();
- CTxIndex txindex;
- if (ReadTxIndex(hashTx, txindex))
- {
- // check level 3: checker transaction hashes
- if (nCheckLevel>2 || pindex->nFile != txindex.pos.nFile || pindex->nBlockPos != txindex.pos.nBlockPos)
- {
- // either an error or a duplicate transaction
- CTransaction txFound;
- if (!txFound.ReadFromDisk(txindex.pos))
- {
- printf("LoadBlockIndex() : *** cannot read mislocated transaction %s\n", hashTx.ToString().c_str());
- pindexFork = pindex->pprev;
- }
- else
- if (txFound.GetHash() != hashTx) // not a duplicate tx
- {
- printf("LoadBlockIndex(): *** invalid tx position for %s\n", hashTx.ToString().c_str());
- pindexFork = pindex->pprev;
- }
- }
- // check level 4: check whether spent txouts were spent within the main chain
- unsigned int nOutput = 0;
- if (nCheckLevel>3)
- {
- BOOST_FOREACH(const CDiskTxPos &txpos, txindex.vSpent)
- {
- if (!txpos.IsNull())
- {
- pair<unsigned int, unsigned int> posFind = make_pair(txpos.nFile, txpos.nBlockPos);
- if (!mapBlockPos.count(posFind))
- {
- printf("LoadBlockIndex(): *** found bad spend at %d, hashBlock=%s, hashTx=%s\n", pindex->nHeight, pindex->GetBlockHash().ToString().c_str(), hashTx.ToString().c_str());
- pindexFork = pindex->pprev;
- }
- // check level 6: check whether spent txouts were spent by a valid transaction that consume them
- if (nCheckLevel>5)
- {
- CTransaction txSpend;
- if (!txSpend.ReadFromDisk(txpos))
- {
- printf("LoadBlockIndex(): *** cannot read spending transaction of %s:%i from disk\n", hashTx.ToString().c_str(), nOutput);
- pindexFork = pindex->pprev;
- }
- else if (!txSpend.CheckTransaction())
- {
- printf("LoadBlockIndex(): *** spending transaction of %s:%i is invalid\n", hashTx.ToString().c_str(), nOutput);
- pindexFork = pindex->pprev;
- }
- else
- {
- bool fFound = false;
- BOOST_FOREACH(const CTxIn &txin, txSpend.vin)
- if (txin.prevout.hash == hashTx && txin.prevout.n == nOutput)
- fFound = true;
- if (!fFound)
- {
- printf("LoadBlockIndex(): *** spending transaction of %s:%i does not spend it\n", hashTx.ToString().c_str(), nOutput);
- pindexFork = pindex->pprev;
- }
- }
- }
- }
- nOutput++;
- }
- }
- }
- // check level 5: check whether all prevouts are marked spent
- if (nCheckLevel>4)
- {
- BOOST_FOREACH(const CTxIn &txin, tx.vin)
- {
- CTxIndex txindex;
- if (ReadTxIndex(txin.prevout.hash, txindex))
- if (txindex.vSpent.size()-1 < txin.prevout.n || txindex.vSpent[txin.prevout.n].IsNull())
- {
- printf("LoadBlockIndex(): *** found unspent prevout %s:%i in %s\n", txin.prevout.hash.ToString().c_str(), txin.prevout.n, hashTx.ToString().c_str());
- pindexFork = pindex->pprev;
- }
- }
- }
- }
- }
- }
- if (pindexFork && !fRequestShutdown)
- {
- // Reorg back to the fork
- printf("LoadBlockIndex() : *** moving best chain pointer back to block %d\n", pindexFork->nHeight);
- CBlock block;
- if (!block.ReadFromDisk(pindexFork))
- return error("LoadBlockIndex() : block.ReadFromDisk failed");
- CTxDB txdb;
- block.SetBestChain(txdb, pindexFork);
- }
-
- return true;
-}
-
-
-
-bool CTxDB::LoadBlockIndexGuts()
-{
- // Get database cursor
- Dbc* pcursor = GetCursor();
- if (!pcursor)
- return false;
-
- // Load mapBlockIndex
- unsigned int fFlags = DB_SET_RANGE;
- loop
- {
- // Read next record
- CDataStream ssKey(SER_DISK, CLIENT_VERSION);
- if (fFlags == DB_SET_RANGE)
- ssKey << make_pair(string("blockindex"), uint256(0));
- CDataStream ssValue(SER_DISK, CLIENT_VERSION);
- int ret = ReadAtCursor(pcursor, ssKey, ssValue, fFlags);
- fFlags = DB_NEXT;
- if (ret == DB_NOTFOUND)
- break;
- else if (ret != 0)
- return false;
-
- // Unserialize
-
- try {
- string strType;
- ssKey >> strType;
- if (strType == "blockindex" && !fRequestShutdown)
- {
- CDiskBlockIndex diskindex;
- ssValue >> diskindex;
-
- // Construct block index object
- CBlockIndex* pindexNew = InsertBlockIndex(diskindex.GetBlockHash());
- pindexNew->pprev = InsertBlockIndex(diskindex.hashPrev);
- pindexNew->pnext = InsertBlockIndex(diskindex.hashNext);
- pindexNew->nFile = diskindex.nFile;
- pindexNew->nBlockPos = diskindex.nBlockPos;
- pindexNew->nHeight = diskindex.nHeight;
- pindexNew->nMint = diskindex.nMint;
- pindexNew->nMoneySupply = diskindex.nMoneySupply;
- pindexNew->nFlags = diskindex.nFlags;
- pindexNew->nStakeModifier = diskindex.nStakeModifier;
- pindexNew->prevoutStake = diskindex.prevoutStake;
- pindexNew->nStakeTime = diskindex.nStakeTime;
- pindexNew->hashProofOfStake = diskindex.hashProofOfStake;
- pindexNew->nVersion = diskindex.nVersion;
- pindexNew->hashMerkleRoot = diskindex.hashMerkleRoot;
- pindexNew->nTime = diskindex.nTime;
- pindexNew->nBits = diskindex.nBits;
- pindexNew->nNonce = diskindex.nNonce;
-
- // Watch for genesis block
- if (pindexGenesisBlock == NULL && diskindex.GetBlockHash() == (!fTestNet ? hashGenesisBlock : hashGenesisBlockTestNet))
- pindexGenesisBlock = pindexNew;
-
- if (!pindexNew->CheckIndex())
- return error("LoadBlockIndex() : CheckIndex failed at %d", pindexNew->nHeight);
-
- // ppcoin: build setStakeSeen
- if (pindexNew->IsProofOfStake())
- setStakeSeen.insert(make_pair(pindexNew->prevoutStake, pindexNew->nStakeTime));
- }
- else
- {
- break; // if shutdown requested or finished loading block index
- }
- } // try
- catch (std::exception &e) {
- return error("%s() : deserialize error", __PRETTY_FUNCTION__);
- }
- }
- pcursor->close();
-
- return true;
-}
-
-
-
-
-
//
// CAddrDB
//
// Generate random temporary filename
unsigned short randv = 0;
RAND_bytes((unsigned char *)&randv, sizeof(randv));
- std::string tmpfn = strprintf("peers.dat.%04x", randv);
+ string tmpfn = strprintf("peers.dat.%04x", randv);
// serialize addresses, checksum data up to that point, then append csum
CDataStream ssPeers(SER_DISK, CLIENT_VERSION);
- ssPeers << FLATDATA(pchMessageStart);
+ ssPeers << nNetworkID;
ssPeers << addr;
uint256 hash = Hash(ssPeers.begin(), ssPeers.end());
ssPeers << hash;
try {
fileout << ssPeers;
}
- catch (std::exception &e) {
+ catch (const exception&) {
return error("CAddrman::Write() : I/O error");
}
FileCommit(fileout);
// use file size to size memory buffer
int fileSize = GetFilesize(filein);
int dataSize = fileSize - sizeof(uint256);
+ //Don't try to resize to a negative number if file is small
+ if ( dataSize < 0 ) dataSize = 0;
vector<unsigned char> vchData;
vchData.resize(dataSize);
uint256 hashIn;
filein.read((char *)&vchData[0], dataSize);
filein >> hashIn;
}
- catch (std::exception &e) {
+ catch (const exception&) {
return error("CAddrman::Read() 2 : I/O error or stream data corrupted");
}
filein.fclose();
if (hashIn != hashTmp)
return error("CAddrman::Read() : checksum mismatch; data corrupted");
- unsigned char pchMsgTmp[4];
+ uint32_t nMsgNetID;
try {
// de-serialize file header (pchMessageStart magic number) and
- ssPeers >> FLATDATA(pchMsgTmp);
-
+ ssPeers >> nMsgNetID;
// verify the network matches ours
- if (memcmp(pchMsgTmp, pchMessageStart, sizeof(pchMsgTmp)))
+ if (nMsgNetID != nNetworkID)
return error("CAddrman::Read() : invalid network magic number");
-
// de-serialize address data into one CAddrMan object
ssPeers >> addr;
}
- catch (std::exception &e) {
+ catch (const exception&) {
return error("CAddrman::Read() : I/O error or stream data corrupted");
}
git://git.novaco.in / novacoin.git / blobdiff