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(10485760);
+ dbenv.set_lg_max(104857600);
dbenv.set_lk_max_locks(10000);
dbenv.set_lk_max_objects(10000);
dbenv.set_errfile(fopen(strErrorFile.c_str(), "a")); /// debug
nMinutes = 1;
if (strFile == "addr.dat")
nMinutes = 2;
- if (strFile == "blkindex.dat" && IsInitialBlockDownload() && nBestHeight % 500 != 0)
+ if (strFile == "blkindex.dat" && IsInitialBlockDownload() && nBestHeight % 5000 != 0)
nMinutes = 1;
dbenv.txn_checkpoint(0, nMinutes, 0);
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)
{
return Write(make_pair(string("addr"), addr.GetKey()), addr);
}
+bool CAddrDB::WriteAddrman(const CAddrMan& addrman)
+{
+ return Write(string("addrman"), addrman);
+}
+
bool CAddrDB::EraseAddress(const CAddress& addr)
{
return Erase(make_pair(string("addr"), addr.GetKey()));
}
-bool CAddrDB::LoadAddresses()
+bool CAddrDB::LoadAddresses(bool &fUpdate)
{
- CRITICAL_BLOCK(cs_mapAddresses)
+ bool fAddrMan = false;
+ if (Read(string("addrman"), addrman))
{
- // Get cursor
- Dbc* pcursor = GetCursor();
- if (!pcursor)
+ printf("Loaded %i addresses\n", addrman.size());
+ fAddrMan = true;
+ }
+
+ vector<CAddress> vAddr;
+
+ // 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")
+ if (fAddrMan)
+ fUpdate = true;
+ else
{
CAddress addr;
ssValue >> addr;
- mapAddresses.insert(make_pair(addr.GetKey(), addr));
+ vAddr.push_back(addr);
}
+
}
- pcursor->close();
+ }
+ pcursor->close();
- printf("Loaded %d addresses\n", mapAddresses.size());
+ if (!fAddrMan)
+ {
+ addrman.Add(vAddr, CNetAddr("0.0.0.0"));
+ printf("Loaded %i addresses\n", addrman.size());
}
return true;
bool LoadAddresses()
{
- return CAddrDB("cr+").LoadAddresses();
+ bool fUpdate = false;
+ bool fRet = CAddrDB("cr+").LoadAddresses(fUpdate);
+ if (fUpdate)
+ CDB::Rewrite("addr.dat", "\004addr");
+ return fRet;
}
//// 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)
if (nFileVersion == 10300)
nFileVersion = 300;
}
- else if (strType == "minversion")
- {
- int nMinVersion = 0;
- ssValue >> nMinVersion;
- if (nMinVersion > CLIENT_VERSION)
- return DB_TOO_NEW;
- pwallet->LoadMinVersion(nMinVersion);
- }
else if (strType == "cscript")
{
uint160 hash;
" -min \t\t " + _("Start minimized") + "\n" +
" -splash \t\t " + _("Show splash screen on startup (default: 1)") + "\n" +
" -datadir=<dir> \t\t " + _("Specify data directory") + "\n" +
+ " -dbcache=<n> \t\t " + _("Set database cache size in megabytes (default: 25)") + "\n" +
" -timeout=<n> \t " + _("Specify connection timeout (in milliseconds)") + "\n" +
" -proxy=<ip:port> \t " + _("Connect through socks4 proxy") + "\n" +
" -dns \t " + _("Allow DNS lookups for addnode and connect") + "\n" +
" -rpcconnect=<ip> \t " + _("Send commands to node running on <ip> (default: 127.0.0.1)") + "\n" +
" -blocknotify=<cmd> " + _("Execute command when the best block changes (%s in cmd is replaced by block hash)") + "\n" +
" -keypool=<n> \t " + _("Set key pool size to <n> (default: 100)") + "\n" +
- " -rescan \t " + _("Rescan the block chain for missing wallet transactions") + "\n";
+ " -rescan \t " + _("Rescan the block chain for missing wallet transactions") + "\n" +
+ " -checkblocks=<n> \t\t " + _("How many blocks to check at startup (default: 2500, 0 = all)") + "\n" +
+ " -checklevel=<n> \t\t " + _("How thorough the block verification is (0-6, default: 1)") + "\n";
#ifdef USE_SSL
strUsage += string() +
fAllowDNS = GetBoolArg("-dns");
fNoListen = !GetBoolArg("-listen", true);
- // This code can be removed once a super-majority of the network has upgraded.
- if (GetBoolArg("-bip16", true))
- {
- if (fTestNet)
- SoftSetArg("-paytoscripthashtime", "1329264000"); // Feb 15
- else
- SoftSetArg("-paytoscripthashtime", "1333238400"); // April 1 2012
-
- // Put "/P2SH/" in the coinbase so everybody can tell when
- // a majority of miners support it
- const char* pszP2SH = "/P2SH/";
- COINBASE_FLAGS << std::vector<unsigned char>(pszP2SH, pszP2SH+strlen(pszP2SH));
- }
- else
- {
- const char* pszP2SH = "NOP2SH";
- COINBASE_FLAGS << std::vector<unsigned char>(pszP2SH, pszP2SH+strlen(pszP2SH));
- }
+ // Continue to put "/P2SH/" in the coinbase to monitor
+ // BIP16 support.
+ // This can be removed eventually...
+ const char* pszP2SH = "/P2SH/";
+ COINBASE_FLAGS << std::vector<unsigned char>(pszP2SH, pszP2SH+strlen(pszP2SH));
if (!fNoListen)
{
CAddress addr(CService(strAddr, GetDefaultPort(), fAllowDNS));
addr.nTime = 0; // so it won't relay unless successfully connected
if (addr.IsValid())
- AddAddress(addr);
+ addrman.Add(addr, CNetAddr("127.0.0.1"));
}
}