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-rw-r--r--src/db.cpp309
1 files changed, 220 insertions, 89 deletions
diff --git a/src/db.cpp b/src/db.cpp
index 9ac93b3506..b86a56e416 100644
--- a/src/db.cpp
+++ b/src/db.cpp
@@ -1,11 +1,12 @@
// Copyright (c) 2009-2010 Satoshi Nakamoto
-// Copyright (c) 2011 The Bitcoin developers
+// Copyright (c) 2009-2012 The Bitcoin 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 <boost/version.hpp>
#include <boost/filesystem.hpp>
#include <boost/filesystem/fstream.hpp>
@@ -83,12 +84,16 @@ CDB::CDB(const char* pszFile, const char* pszMode) : pdb(NULL)
string strErrorFile = strDataDir + "/db.log";
printf("dbenv.open strLogDir=%s strErrorFile=%s\n", strLogDir.c_str(), strErrorFile.c_str());
+ int nDbCache = GetArg("-dbcache", 25);
dbenv.set_lg_dir(strLogDir.c_str());
- dbenv.set_lg_max(10000000);
+ dbenv.set_cachesize(nDbCache / 1024, (nDbCache % 1024)*1048576, 1);
+ dbenv.set_lg_bsize(1048576);
+ dbenv.set_lg_max(10485760);
dbenv.set_lk_max_locks(10000);
dbenv.set_lk_max_objects(10000);
dbenv.set_errfile(fopen(strErrorFile.c_str(), "a")); /// debug
dbenv.set_flags(DB_AUTO_COMMIT, 1);
+ dbenv.log_set_config(DB_LOG_AUTO_REMOVE, 1);
ret = dbenv.open(strDataDir.c_str(),
DB_CREATE |
DB_INIT_LOCK |
@@ -131,7 +136,7 @@ CDB::CDB(const char* pszFile, const char* pszMode) : pdb(NULL)
{
bool fTmp = fReadOnly;
fReadOnly = false;
- WriteVersion(VERSION);
+ WriteVersion(CLIENT_VERSION);
fReadOnly = fTmp;
}
@@ -155,9 +160,10 @@ void CDB::Close()
nMinutes = 1;
if (strFile == "addr.dat")
nMinutes = 2;
- if (strFile == "blkindex.dat" && IsInitialBlockDownload() && nBestHeight % 500 != 0)
- nMinutes = 1;
- dbenv.txn_checkpoint(0, nMinutes, 0);
+ if (strFile == "blkindex.dat" && IsInitialBlockDownload())
+ nMinutes = 5;
+
+ dbenv.txn_checkpoint(nMinutes ? GetArg("-dblogsize", 100)*1024 : 0, nMinutes, 0);
CRITICAL_BLOCK(cs_db)
--mapFileUseCount[strFile];
@@ -236,7 +242,7 @@ bool CDB::Rewrite(const string& strFile, const char* pszSkip)
{
// Update version:
ssValue.clear();
- ssValue << VERSION;
+ ssValue << CLIENT_VERSION;
}
Dbt datKey(&ssKey[0], ssKey.size());
Dbt datValue(&ssValue[0], ssValue.size());
@@ -579,19 +585,114 @@ bool CTxDB::LoadBlockIndex()
ReadBestInvalidWork(bnBestInvalidWork);
// 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 (pindex->nHeight < nBestHeight-2500 && !mapArgs.count("-checkblocks"))
+ if (pindex->nHeight < nBestHeight-nCheckDepth)
break;
CBlock block;
if (!block.ReadFromDisk(pindex))
return error("LoadBlockIndex() : block.ReadFromDisk failed");
- if (!block.CheckBlock())
+ // 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
+ 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)
{
@@ -615,50 +716,58 @@ bool CTxDB::LoadBlockIndex()
// CAddrDB
//
-bool CAddrDB::WriteAddress(const CAddress& addr)
-{
- return Write(make_pair(string("addr"), addr.GetKey()), addr);
-}
-
-bool CAddrDB::EraseAddress(const CAddress& addr)
+bool CAddrDB::WriteAddrman(const CAddrMan& addrman)
{
- return Erase(make_pair(string("addr"), addr.GetKey()));
+ return Write(string("addrman"), addrman);
}
bool CAddrDB::LoadAddresses()
{
- CRITICAL_BLOCK(cs_mapAddresses)
+ if (Read(string("addrman"), addrman))
{
- // Get cursor
- Dbc* pcursor = GetCursor();
- if (!pcursor)
+ printf("Loaded %i addresses\n", addrman.size());
+ return true;
+ }
+
+ // Read pre-0.6 addr records
+
+ vector<CAddress> vAddr;
+ vector<vector<unsigned char> > vDelete;
+
+ // Get cursor
+ Dbc* pcursor = GetCursor();
+ if (!pcursor)
+ return false;
+
+ loop
+ {
+ // Read next record
+ CDataStream ssKey;
+ CDataStream ssValue;
+ int ret = ReadAtCursor(pcursor, ssKey, ssValue);
+ if (ret == DB_NOTFOUND)
+ break;
+ else if (ret != 0)
return false;
- loop
+ // Unserialize
+ string strType;
+ ssKey >> strType;
+ if (strType == "addr")
{
- // Read next record
- CDataStream ssKey;
- CDataStream ssValue;
- int ret = ReadAtCursor(pcursor, ssKey, ssValue);
- if (ret == DB_NOTFOUND)
- break;
- else if (ret != 0)
- return false;
-
- // Unserialize
- string strType;
- ssKey >> strType;
- if (strType == "addr")
- {
- CAddress addr;
- ssValue >> addr;
- mapAddresses.insert(make_pair(addr.GetKey(), addr));
- }
+ CAddress addr;
+ ssValue >> addr;
+ vAddr.push_back(addr);
}
- pcursor->close();
-
- printf("Loaded %d addresses\n", mapAddresses.size());
}
+ pcursor->close();
+
+ addrman.Add(vAddr, CNetAddr("0.0.0.0"));
+ printf("Loaded %i addresses\n", addrman.size());
+
+ // Note: old records left; we ran into hangs-on-startup
+ // bugs for some users who (we think) were running after
+ // an unclean shutdown.
return true;
}
@@ -767,20 +876,24 @@ int CWalletDB::LoadWallet(CWallet* pwallet)
vector<uint256> vWalletUpgrade;
bool fIsEncrypted = false;
- // Modify defaults
-#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_wallet)
{
+ int nMinVersion = 0;
+ if (Read((string)"minversion", nMinVersion))
+ {
+ if (nMinVersion > CLIENT_VERSION)
+ return DB_TOO_NEW;
+ pwallet->LoadMinVersion(nMinVersion);
+ }
+
// Get cursor
Dbc* pcursor = GetCursor();
if (!pcursor)
+ {
+ printf("Error getting wallet database cursor\n");
return DB_CORRUPT;
+ }
loop
{
@@ -791,7 +904,10 @@ int CWalletDB::LoadWallet(CWallet* pwallet)
if (ret == DB_NOTFOUND)
break;
else if (ret != 0)
+ {
+ printf("Error reading next record from wallet database\n");
return DB_CORRUPT;
+ }
// Unserialize
// Taking advantage of the fact that pair serialization
@@ -810,7 +926,7 @@ int CWalletDB::LoadWallet(CWallet* pwallet)
ssKey >> hash;
CWalletTx& wtx = pwallet->mapWallet[hash];
ssValue >> wtx;
- wtx.pwallet = pwallet;
+ wtx.BindWallet(pwallet);
if (wtx.GetHash() != hash)
printf("Error in wallet.dat, hash mismatch\n");
@@ -860,16 +976,41 @@ int CWalletDB::LoadWallet(CWallet* pwallet)
{
CPrivKey pkey;
ssValue >> pkey;
+ key.SetPubKey(vchPubKey);
key.SetPrivKey(pkey);
+ if (key.GetPubKey() != vchPubKey)
+ {
+ printf("Error reading wallet database: CPrivKey pubkey inconsistency\n");
+ return DB_CORRUPT;
+ }
+ if (!key.IsValid())
+ {
+ printf("Error reading wallet database: invalid CPrivKey\n");
+ return DB_CORRUPT;
+ }
}
else
{
CWalletKey wkey;
ssValue >> wkey;
+ key.SetPubKey(vchPubKey);
key.SetPrivKey(wkey.vchPrivKey);
+ if (key.GetPubKey() != vchPubKey)
+ {
+ printf("Error reading wallet database: CWalletKey pubkey inconsistency\n");
+ return DB_CORRUPT;
+ }
+ if (!key.IsValid())
+ {
+ printf("Error reading wallet database: invalid CWalletKey\n");
+ return DB_CORRUPT;
+ }
}
if (!pwallet->LoadKey(key))
+ {
+ printf("Error reading wallet database: LoadKey failed\n");
return DB_CORRUPT;
+ }
}
else if (strType == "mkey")
{
@@ -878,7 +1019,10 @@ int CWalletDB::LoadWallet(CWallet* pwallet)
CMasterKey kMasterKey;
ssValue >> kMasterKey;
if(pwallet->mapMasterKeys.count(nID) != 0)
+ {
+ printf("Error reading wallet database: duplicate CMasterKey id %u\n", nID);
return DB_CORRUPT;
+ }
pwallet->mapMasterKeys[nID] = kMasterKey;
if (pwallet->nMasterKeyMaxID < nID)
pwallet->nMasterKeyMaxID = nID;
@@ -890,7 +1034,10 @@ int CWalletDB::LoadWallet(CWallet* pwallet)
vector<unsigned char> vchPrivKey;
ssValue >> vchPrivKey;
if (!pwallet->LoadCryptedKey(vchPubKey, vchPrivKey))
+ {
+ printf("Error reading wallet database: LoadCryptedKey failed\n");
return DB_CORRUPT;
+ }
fIsEncrypted = true;
}
else if (strType == "defaultkey")
@@ -909,30 +1056,17 @@ int CWalletDB::LoadWallet(CWallet* pwallet)
if (nFileVersion == 10300)
nFileVersion = 300;
}
- else if (strType == "setting")
- {
- string strKey;
- ssKey >> strKey;
-
- // Options
-#ifndef QT_GUI
- if (strKey == "fGenerateBitcoins") ssValue >> fGenerateBitcoins;
-#endif
- if (strKey == "nTransactionFee") ssValue >> nTransactionFee;
- if (strKey == "fLimitProcessors") ssValue >> fLimitProcessors;
- if (strKey == "nLimitProcessors") ssValue >> nLimitProcessors;
- if (strKey == "fMinimizeToTray") ssValue >> fMinimizeToTray;
- if (strKey == "fMinimizeOnClose") ssValue >> fMinimizeOnClose;
- if (strKey == "fUseProxy") ssValue >> fUseProxy;
- if (strKey == "addrProxy") ssValue >> addrProxy;
- if (fHaveUPnP && strKey == "fUseUPnP") ssValue >> fUseUPnP;
- }
- else if (strType == "minversion")
+ else if (strType == "cscript")
{
- int nMinVersion = 0;
- ssValue >> nMinVersion;
- if (nMinVersion > VERSION)
- return DB_TOO_NEW;
+ uint160 hash;
+ ssKey >> hash;
+ CScript script;
+ ssValue >> script;
+ if (!pwallet->LoadCScript(script))
+ {
+ printf("Error reading wallet database: LoadCScript failed\n");
+ return DB_CORRUPT;
+ }
}
}
pcursor->close();
@@ -942,27 +1076,19 @@ int CWalletDB::LoadWallet(CWallet* pwallet)
WriteTx(hash, pwallet->mapWallet[hash]);
printf("nFileVersion = %d\n", nFileVersion);
- printf("fGenerateBitcoins = %d\n", fGenerateBitcoins);
- printf("nTransactionFee = %"PRI64d"\n", nTransactionFee);
- printf("fMinimizeToTray = %d\n", fMinimizeToTray);
- printf("fMinimizeOnClose = %d\n", fMinimizeOnClose);
- printf("fUseProxy = %d\n", fUseProxy);
- printf("addrProxy = %s\n", addrProxy.ToString().c_str());
- if (fHaveUPnP)
- printf("fUseUPnP = %d\n", fUseUPnP);
// 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
+ if (nFileVersion < CLIENT_VERSION) // Update
{
// Get rid of old debug.log file in current directory
if (nFileVersion <= 105 && !pszSetDataDir[0])
unlink("debug.log");
- WriteVersion(VERSION);
+ WriteVersion(CLIENT_VERSION);
}
return DB_LOAD_OK;
@@ -975,7 +1101,7 @@ void ThreadFlushWalletDB(void* parg)
if (fOneThread)
return;
fOneThread = true;
- if (mapArgs.count("-noflushwallet"))
+ if (!GetBoolArg("-flushwallet", true))
return;
unsigned int nLastSeen = nWalletDBUpdated;
@@ -1049,14 +1175,19 @@ bool BackupWallet(const CWallet& wallet, const string& strDest)
filesystem::path pathDest(strDest);
if (filesystem::is_directory(pathDest))
pathDest = pathDest / wallet.strWalletFile;
+
+ try {
#if BOOST_VERSION >= 104000
- filesystem::copy_file(pathSrc, pathDest, filesystem::copy_option::overwrite_if_exists);
+ filesystem::copy_file(pathSrc, pathDest, filesystem::copy_option::overwrite_if_exists);
#else
- filesystem::copy_file(pathSrc, pathDest);
+ filesystem::copy_file(pathSrc, pathDest);
#endif
- printf("copied wallet.dat to %s\n", pathDest.string().c_str());
-
- return true;
+ printf("copied wallet.dat to %s\n", pathDest.string().c_str());
+ return true;
+ } catch(const filesystem::filesystem_error &e) {
+ printf("error copying wallet.dat to %s - %s\n", pathDest.string().c_str(), e.what());
+ return false;
+ }
}
}
Sleep(100);