#include "headers.h"
#include "db.h"
#include "net.h"
+#include <boost/version.hpp>
#include <boost/filesystem.hpp>
#include <boost/filesystem/fstream.hpp>
DbEnv dbenv(0);
static map<string, int> mapFileUseCount;
static map<string, Db*> mapDb;
+static int64 nTxn = 0;
static void EnvShutdown()
{
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 |
{
bool fTmp = fReadOnly;
fReadOnly = false;
- WriteVersion(VERSION);
+ WriteVersion(CLIENT_VERSION);
fReadOnly = fTmp;
}
nMinutes = 1;
if (strFile == "addr.dat")
nMinutes = 2;
- if (strFile == "blkindex.dat" && IsInitialBlockDownload() && nBestHeight % 500 != 0)
- nMinutes = 1;
+ if (strFile == "blkindex.dat" && IsInitialBlockDownload())
+ nMinutes = 5;
+
+ if (nMinutes == 0 || nTxn > 200000)
+ {
+ nTxn = 0;
+ nMinutes = 0;
+ }
+
dbenv.txn_checkpoint(0, nMinutes, 0);
CRITICAL_BLOCK(cs_db)
{
// Update version:
ssValue.clear();
- ssValue << VERSION;
+ ssValue << CLIENT_VERSION;
}
Dbt datKey(&ssKey[0], ssKey.size());
Dbt datValue(&ssValue[0], ssValue.size());
bool CTxDB::UpdateTxIndex(uint256 hash, const CTxIndex& txindex)
{
assert(!fClient);
+ nTxn++;
return Write(make_pair(string("tx"), hash), txindex);
}
// Add to tx index
uint256 hash = tx.GetHash();
CTxIndex txindex(pos, tx.vout.size());
+ nTxn++;
return Write(make_pair(string("tx"), hash), txindex);
}
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)
{
// 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;
}
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 > VERSION)
+ if (nMinVersion > CLIENT_VERSION)
return DB_TOO_NEW;
+ pwallet->LoadMinVersion(nMinVersion);
}
// Get cursor
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");
//// debug print
//printf("LoadWallet %s\n", wtx.GetHash().ToString().c_str());
- //printf(" %12I64d %s %s %s\n",
+ //printf(" %12"PRI64d" %s %s %s\n",
// wtx.vout[0].nValue,
// DateTimeStrFormat("%x %H:%M:%S", wtx.GetBlockTime()).c_str(),
// wtx.hashBlock.ToString().substr(0,20).c_str(),
{
CPrivKey pkey;
ssValue >> pkey;
+ key.SetPubKey(vchPubKey);
key.SetPrivKey(pkey);
if (key.GetPubKey() != vchPubKey)
{
{
CWalletKey wkey;
ssValue >> wkey;
+ key.SetPubKey(vchPubKey);
key.SetPrivKey(wkey.vchPrivKey);
if (key.GetPubKey() != vchPubKey)
{
if (nFileVersion == 10300)
nFileVersion = 300;
}
- else if (strType == "setting")
+ else if (strType == "cscript")
{
- 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;
+ 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();
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;
if (fOneThread)
return;
fOneThread = true;
- if (mapArgs.count("-noflushwallet"))
+ if (!GetBoolArg("-flushwallet", true))
return;
unsigned int nLastSeen = nWalletDBUpdated;
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);
#include "db.h"
#include "net.h"
#include "init.h"
+#include <boost/algorithm/string/replace.hpp>
#include <boost/filesystem.hpp>
#include <boost/filesystem/fstream.hpp>
// Global state
//
+// Name of client reported in the 'version' message. Report the same name
+// for both bitcoind and bitcoin-qt, to make it harder for attackers to
+// target servers or GUI users specifically.
+const std::string CLIENT_NAME("Satoshi");
+
CCriticalSection cs_setpwalletRegistered;
set<CWallet*> setpwalletRegistered;
map<uint256, CDataStream*> mapOrphanTransactions;
multimap<uint256, CDataStream*> mapOrphanTransactionsByPrev;
+// Constant stuff for coinbase transactions we create:
+CScript COINBASE_FLAGS;
+
+const string strMessageMagic = "Bitcoin Signed Message:\n";
double dHashesPerSec;
int64 nHPSTimerStart;
// Settings
-int fGenerateBitcoins = false;
int64 nTransactionFee = 0;
-int fLimitProcessors = false;
-int nLimitProcessors = 1;
-int fMinimizeToTray = true;
-int fMinimizeOnClose = true;
-#if USE_UPNP
-int fUseUPnP = true;
-#else
-int fUseUPnP = false;
-#endif
+
//////////////////////////////////////////////////////////////////////////////
return ReadFromDisk(txdb, prevout, txindex);
}
+bool CTransaction::IsStandard() const
+{
+ BOOST_FOREACH(const CTxIn& txin, vin)
+ {
+ // Biggest 'standard' txin is a 3-signature 3-of-3 CHECKMULTISIG
+ // pay-to-script-hash, which is 3 ~80-byte signatures, 3
+ // ~65-byte public keys, plus a few script ops.
+ if (txin.scriptSig.size() > 500)
+ return false;
+ if (!txin.scriptSig.IsPushOnly())
+ return false;
+ }
+ BOOST_FOREACH(const CTxOut& txout, vout)
+ if (!::IsStandard(txout.scriptPubKey))
+ return false;
+ return true;
+}
+
+//
+// Check transaction inputs, and make sure any
+// pay-to-script-hash transactions are evaluating IsStandard scripts
+//
+// Why bother? To avoid denial-of-service attacks; an attacker
+// can submit a standard HASH... OP_EQUAL transaction,
+// which will get accepted into blocks. The redemption
+// script can be anything; an attacker could use a very
+// expensive-to-check-upon-redemption script like:
+// DUP CHECKSIG DROP ... repeated 100 times... OP_1
+//
+bool CTransaction::AreInputsStandard(const MapPrevTx& mapInputs) const
+{
+ if (IsCoinBase())
+ return true; // Coinbases don't use vin normally
+
+ for (unsigned int i = 0; i < vin.size(); i++)
+ {
+ const CTxOut& prev = GetOutputFor(vin[i], mapInputs);
+
+ vector<vector<unsigned char> > vSolutions;
+ txnouttype whichType;
+ // get the scriptPubKey corresponding to this input:
+ const CScript& prevScript = prev.scriptPubKey;
+ if (!Solver(prevScript, whichType, vSolutions))
+ return false;
+ int nArgsExpected = ScriptSigArgsExpected(whichType, vSolutions);
+ if (nArgsExpected < 0)
+ return false;
+
+ // Transactions with extra stuff in their scriptSigs are
+ // non-standard. Note that this EvalScript() call will
+ // be quick, because if there are any operations
+ // beside "push data" in the scriptSig the
+ // IsStandard() call returns false
+ vector<vector<unsigned char> > stack;
+ if (!EvalScript(stack, vin[i].scriptSig, *this, i, 0))
+ return false;
+
+ if (whichType == TX_SCRIPTHASH)
+ {
+ if (stack.empty())
+ return false;
+ CScript subscript(stack.back().begin(), stack.back().end());
+ vector<vector<unsigned char> > vSolutions2;
+ txnouttype whichType2;
+ if (!Solver(subscript, whichType2, vSolutions2))
+ return false;
+ if (whichType2 == TX_SCRIPTHASH)
+ return false;
+
+ int tmpExpected;
+ tmpExpected = ScriptSigArgsExpected(whichType2, vSolutions2);
+ if (tmpExpected < 0)
+ return false;
+ nArgsExpected += tmpExpected;
+ }
+
+ if (stack.size() != (unsigned int)nArgsExpected)
+ return false;
+ }
+
+ return true;
+}
+
+int
+CTransaction::GetLegacySigOpCount() const
+{
+ int nSigOps = 0;
+ BOOST_FOREACH(const CTxIn& txin, vin)
+ {
+ nSigOps += txin.scriptSig.GetSigOpCount(false);
+ }
+ BOOST_FOREACH(const CTxOut& txout, vout)
+ {
+ nSigOps += txout.scriptPubKey.GetSigOpCount(false);
+ }
+ return nSigOps;
+}
int CMerkleTx::SetMerkleBranch(const CBlock* pblock)
return DoS(100, error("AcceptToMemoryPool() : coinbase as individual tx"));
// To help v0.1.5 clients who would see it as a negative number
- if ((int64)nLockTime > INT_MAX)
+ if ((int64)nLockTime > std::numeric_limits<int>::max())
return error("AcceptToMemoryPool() : not accepting nLockTime beyond 2038 yet");
// Rather not work on nonstandard transactions (unless -testnet)
return error("AcceptToMemoryPool() : FetchInputs failed %s", hash.ToString().substr(0,10).c_str());
}
- // Safety limits
- unsigned int nSize = ::GetSerializeSize(*this, SER_NETWORK);
- // Checking ECDSA signatures is a CPU bottleneck, so to avoid denial-of-service
- // attacks disallow transactions with more than one SigOp per 34 bytes.
- // 34 bytes because a TxOut is:
- // 20-byte address + 8 byte bitcoin amount + 5 bytes of ops + 1 byte script length
- if (GetSigOpCount() > nSize / 34 || nSize < 100)
- return error("AcceptToMemoryPool() : transaction with out-of-bounds SigOpCount");
+ // Check for non-standard pay-to-script-hash in inputs
+ if (!AreInputsStandard(mapInputs) && !fTestNet)
+ return error("AcceptToMemoryPool() : nonstandard transaction input");
+
+ // Note: if you modify this code to accept non-standard transactions, then
+ // you should add code here to check that the transaction does a
+ // reasonable number of ECDSA signature verifications.
int64 nFees = GetValueIn(mapInputs)-GetValueOut();
+ unsigned int nSize = ::GetSerializeSize(*this, SER_NETWORK);
// Don't accept it if it can't get into a block
- if (nFees < GetMinFee(1000, true, true))
+ if (nFees < GetMinFee(1000, true, GMF_RELAY))
return error("AcceptToMemoryPool() : not enough fees");
// Continuously rate-limit free transactions
return AcceptToMemoryPool(txdb, fCheckInputs, pfMissingInputs);
}
+uint64 nPooledTx = 0;
+
bool CTransaction::AddToMemoryPoolUnchecked()
{
+ printf("AcceptToMemoryPoolUnchecked(): size %lu\n", mapTransactions.size());
// Add to memory pool without checking anything. Don't call this directly,
// call AcceptToMemoryPool to properly check the transaction first.
CRITICAL_BLOCK(cs_mapTransactions)
for (unsigned int i = 0; i < vin.size(); i++)
mapNextTx[vin[i].prevout] = CInPoint(&mapTransactions[hash], i);
nTransactionsUpdated++;
+ ++nPooledTx;
}
return true;
}
// Remove transaction from memory pool
CRITICAL_BLOCK(cs_mapTransactions)
{
- BOOST_FOREACH(const CTxIn& txin, vin)
- mapNextTx.erase(txin.prevout);
- mapTransactions.erase(GetHash());
- nTransactionsUpdated++;
+ uint256 hash = GetHash();
+ if (mapTransactions.count(hash))
+ {
+ BOOST_FOREACH(const CTxIn& txin, vin)
+ mapNextTx.erase(txin.prevout);
+ mapTransactions.erase(hash);
+ nTransactionsUpdated++;
+ --nPooledTx;
+ }
}
return true;
}
-int CMerkleTx::GetDepthInMainChain(int& nHeightRet) const
+int CMerkleTx::GetDepthInMainChain(CBlockIndex* &pindexRet) const
{
if (hashBlock == 0 || nIndex == -1)
return 0;
fMerkleVerified = true;
}
- nHeightRet = pindex->nHeight;
+ pindexRet = pindex;
return pindexBest->nHeight - pindex->nHeight + 1;
}
}
}
- // P2SH didn't become active until Apr 1 2012 (Feb 15 on testnet)
- int64 nEvalSwitchTime = fTestNet ? 1329264000 : 1333238400;
- bool fStrictPayToScriptHash = (pindex->nTime >= nEvalSwitchTime);
+ // BIP16 didn't become active until Apr 1 2012 (Feb 15 on testnet)
+ int64 nBIP16SwitchTime = fTestNet ? 1329264000 : 1333238400;
+ bool fStrictPayToScriptHash = (pindex->nTime >= nBIP16SwitchTime);
//// issue here: it doesn't know the version
unsigned int nTxPos = pindex->nBlockPos + ::GetSerializeSize(CBlock(), SER_DISK) - 1 + GetSizeOfCompactSize(vtx.size());
int nSigOps = 0;
BOOST_FOREACH(CTransaction& tx, vtx)
{
- nSigOps += tx.GetSigOpCount();
+ nSigOps += tx.GetLegacySigOpCount();
if (nSigOps > MAX_BLOCK_SIGOPS)
return DoS(100, error("ConnectBlock() : too many sigops"));
CDiskTxPos posThisTx(pindex->nFile, pindex->nBlockPos, nTxPos);
nTxPos += ::GetSerializeSize(tx, SER_DISK);
MapPrevTx mapInputs;
if (!tx.IsCoinBase())
{
+ bool fInvalid;
if (!tx.FetchInputs(txdb, mapQueuedChanges, true, false, mapInputs, fInvalid))
return false;
}
+static void
+runCommand(std::string strCommand)
+{
+ int nErr = ::system(strCommand.c_str());
+ if (nErr)
+ printf("runCommand error: system(%s) returned %d\n", strCommand.c_str(), nErr);
+}
+
+// Called from inside SetBestChain: attaches a block to the new best chain being built
+bool CBlock::SetBestChainInner(CTxDB& txdb, CBlockIndex *pindexNew)
+{
+ uint256 hash = GetHash();
+
+ // Adding to current best branch
+ if (!ConnectBlock(txdb, pindexNew) || !txdb.WriteHashBestChain(hash))
+ {
+ txdb.TxnAbort();
+ InvalidChainFound(pindexNew);
+ return false;
+ }
+ if (!txdb.TxnCommit())
+ return error("SetBestChain() : TxnCommit failed");
+
+ // Add to current best branch
+ pindexNew->pprev->pnext = pindexNew;
+
+ // Delete redundant memory transactions
+ BOOST_FOREACH(CTransaction& tx, vtx)
+ tx.RemoveFromMemoryPool();
+
+ return true;
+}
+
bool CBlock::SetBestChain(CTxDB& txdb, CBlockIndex* pindexNew)
{
uint256 hash = GetHash();
}
else if (hashPrevBlock == hashBestChain)
{
- // Adding to current best branch
- if (!ConnectBlock(txdb, pindexNew) || !txdb.WriteHashBestChain(hash))
+ if (!SetBestChainInner(txdb, pindexNew))
+ return error("SetBestChain() : SetBestChainInner failed");
+ }
+ else
+ {
+ // the first block in the new chain that will cause it to become the new best chain
+ CBlockIndex *pindexIntermediate = pindexNew;
+
+ // list of blocks that need to be connected afterwards
+ std::vector<CBlockIndex*> vpindexSecondary;
+
+ // Reorganize is costly in terms of db load, as it works in a single db transaction.
+ // Try to limit how much needs to be done inside
+ while (pindexIntermediate->pprev && pindexIntermediate->pprev->bnChainWork > pindexBest->bnChainWork)
{
- txdb.TxnAbort();
- InvalidChainFound(pindexNew);
- return error("SetBestChain() : ConnectBlock failed");
+ vpindexSecondary.push_back(pindexIntermediate);
+ pindexIntermediate = pindexIntermediate->pprev;
}
- if (!txdb.TxnCommit())
- return error("SetBestChain() : TxnCommit failed");
- // Add to current best branch
- pindexNew->pprev->pnext = pindexNew;
+ if (!vpindexSecondary.empty())
+ printf("Postponing %i reconnects\n", vpindexSecondary.size());
- // Delete redundant memory transactions
- BOOST_FOREACH(CTransaction& tx, vtx)
- tx.RemoveFromMemoryPool();
- }
- else
- {
- // New best branch
- if (!Reorganize(txdb, pindexNew))
+ // Switch to new best branch
+ if (!Reorganize(txdb, pindexIntermediate))
{
txdb.TxnAbort();
InvalidChainFound(pindexNew);
return error("SetBestChain() : Reorganize failed");
}
+
+ // Connect futher blocks
+ BOOST_REVERSE_FOREACH(CBlockIndex *pindex, vpindexSecondary)
+ {
+ CBlock block;
+ if (!block.ReadFromDisk(pindex))
+ {
+ printf("SetBestChain() : ReadFromDisk failed\n");
+ break;
+ }
+ txdb.TxnBegin();
+ // errors now are not fatal, we still did a reorganisation to a new chain in a valid way
+ if (!block.SetBestChainInner(txdb, pindex))
+ break;
+ }
}
// Update best block in wallet (so we can detect restored wallets)
- if (!IsInitialBlockDownload())
+ bool fIsInitialDownload = IsInitialBlockDownload();
+ if (!fIsInitialDownload)
{
const CBlockLocator locator(pindexNew);
::SetBestChain(locator);
nTransactionsUpdated++;
printf("SetBestChain: new best=%s height=%d work=%s\n", hashBestChain.ToString().substr(0,20).c_str(), nBestHeight, bnBestChainWork.ToString().c_str());
+ std::string strCmd = GetArg("-blocknotify", "");
+
+ if (!fIsInitialDownload && !strCmd.empty())
+ {
+ boost::replace_all(strCmd, "%s", hashBestChain.GetHex());
+ boost::thread t(runCommand, strCmd); // thread runs free
+ }
+
return true;
}
if (uniqueTx.size() != vtx.size())
return DoS(100, error("CheckBlock() : duplicate transaction"));
- // Check that it's not full of nonstandard transactions
- if (GetSigOpCount() > MAX_BLOCK_SIGOPS)
+ int nSigOps = 0;
+ BOOST_FOREACH(const CTransaction& tx, vtx)
+ {
+ nSigOps += tx.GetLegacySigOpCount();
+ }
+ if (nSigOps > MAX_BLOCK_SIGOPS)
return DoS(100, error("CheckBlock() : out-of-bounds SigOpCount"));
// Check merkleroot
bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
{
- static map<unsigned int, vector<unsigned char> > mapReuseKey;
+ static map<CService, vector<unsigned char> > mapReuseKey;
RandAddSeedPerfmon();
if (fDebug) {
printf("%s ", DateTimeStrFormat("%x %H:%M:%S", GetTime()).c_str());
CAddress addrFrom;
uint64 nNonce = 1;
vRecv >> pfrom->nVersion >> pfrom->nServices >> nTime >> addrMe;
+ if (pfrom->nVersion < 209)
+ {
+ // Since February 20, 2012, the protocol is initiated at version 209,
+ // and earlier versions are no longer supported
+ printf("partner %s using obsolete version %i; disconnecting\n", pfrom->addr.ToString().c_str(), pfrom->nVersion);
+ pfrom->fDisconnect = true;
+ return false;
+ }
+
if (pfrom->nVersion == 10300)
pfrom->nVersion = 300;
- if (pfrom->nVersion >= 106 && !vRecv.empty())
+ if (!vRecv.empty())
vRecv >> addrFrom >> nNonce;
- if (pfrom->nVersion >= 106 && !vRecv.empty())
+ if (!vRecv.empty())
vRecv >> pfrom->strSubVer;
- if (pfrom->nVersion >= 209 && !vRecv.empty())
+ if (!vRecv.empty())
vRecv >> pfrom->nStartingHeight;
- if (pfrom->nVersion == 0)
- return false;
-
// Disconnect if we connected to ourself
if (nNonce == nLocalHostNonce && nNonce > 1)
{
pfrom->fClient = !(pfrom->nServices & NODE_NETWORK);
- AddTimeData(pfrom->addr.ip, nTime);
+ AddTimeData(pfrom->addr, nTime);
// Change version
- if (pfrom->nVersion >= 209)
- pfrom->PushMessage("verack");
- pfrom->vSend.SetVersion(min(pfrom->nVersion, VERSION));
- if (pfrom->nVersion < 209)
- pfrom->vRecv.SetVersion(min(pfrom->nVersion, VERSION));
+ pfrom->PushMessage("verack");
+ pfrom->vSend.SetVersion(min(pfrom->nVersion, PROTOCOL_VERSION));
if (!pfrom->fInbound)
{
// Advertise our address
- if (addrLocalHost.IsRoutable() && !fUseProxy)
+ if (!fNoListen && !fUseProxy && addrLocalHost.IsRoutable() &&
+ !IsInitialBlockDownload())
{
CAddress addr(addrLocalHost);
addr.nTime = GetAdjustedTime();
}
// Get recent addresses
- if (pfrom->nVersion >= 31402 || mapAddresses.size() < 1000)
+ if (pfrom->nVersion >= 31402 || addrman.size() < 1000)
{
pfrom->PushMessage("getaddr");
pfrom->fGetAddr = true;
}
+ addrman.Good(pfrom->addr);
+ } else {
+ if (((CNetAddr)pfrom->addr) == (CNetAddr)addrFrom)
+ {
+ addrman.Add(addrFrom, addrFrom);
+ addrman.Good(addrFrom);
+ }
}
// Ask the first connected node for block updates
else if (strCommand == "verack")
{
- pfrom->vRecv.SetVersion(min(pfrom->nVersion, VERSION));
+ pfrom->vRecv.SetVersion(min(pfrom->nVersion, PROTOCOL_VERSION));
}
vRecv >> vAddr;
// Don't want addr from older versions unless seeding
- if (pfrom->nVersion < 209)
- return true;
- if (pfrom->nVersion < 31402 && mapAddresses.size() > 1000)
+ if (pfrom->nVersion < 31402 && addrman.size() > 1000)
return true;
if (vAddr.size() > 1000)
{
}
// Store the new addresses
- CAddrDB addrDB;
- addrDB.TxnBegin();
int64 nNow = GetAdjustedTime();
int64 nSince = nNow - 10 * 60;
BOOST_FOREACH(CAddress& addr, vAddr)
continue;
if (addr.nTime <= 100000000 || addr.nTime > nNow + 10 * 60)
addr.nTime = nNow - 5 * 24 * 60 * 60;
- AddAddress(addr, 2 * 60 * 60, &addrDB);
pfrom->AddAddressKnown(addr);
if (addr.nTime > nSince && !pfrom->fGetAddr && vAddr.size() <= 10 && addr.IsRoutable())
{
static uint256 hashSalt;
if (hashSalt == 0)
RAND_bytes((unsigned char*)&hashSalt, sizeof(hashSalt));
- uint256 hashRand = hashSalt ^ (((int64)addr.ip)<<32) ^ ((GetTime()+addr.ip)/(24*60*60));
+ int64 hashAddr = addr.GetHash();
+ uint256 hashRand = hashSalt ^ (hashAddr<<32) ^ ((GetTime()+hashAddr)/(24*60*60));
hashRand = Hash(BEGIN(hashRand), END(hashRand));
multimap<uint256, CNode*> mapMix;
BOOST_FOREACH(CNode* pnode, vNodes)
}
}
}
- addrDB.TxnCommit(); // Save addresses (it's ok if this fails)
+ addrman.Add(vAddr, pfrom->addr, 2 * 60 * 60);
if (vAddr.size() < 1000)
pfrom->fGetAddr = false;
}
}
CTxDB txdb("r");
- BOOST_FOREACH(const CInv& inv, vInv)
+ for (unsigned int nInv = 0; nInv < vInv.size(); nInv++)
{
+ const CInv &inv = vInv[nInv];
+
if (fShutdown)
return true;
pfrom->AddInventoryKnown(inv);
if (fDebug)
printf(" got inventory: %s %s\n", inv.ToString().c_str(), fAlreadyHave ? "have" : "new");
- if (!fAlreadyHave)
+ // Always request the last block in an inv bundle (even if we already have it), as it is the
+ // trigger for the other side to send further invs. If we are stuck on a (very long) side chain,
+ // this is necessary to connect earlier received orphan blocks to the chain again.
+ if (!fAlreadyHave || (inv.type == MSG_BLOCK && nInv==vInv.size()-1))
pfrom->AskFor(inv);
- else if (inv.type == MSG_BLOCK && mapOrphanBlocks.count(inv.hash))
+ if (inv.type == MSG_BLOCK && mapOrphanBlocks.count(inv.hash))
pfrom->PushGetBlocks(pindexBest, GetOrphanRoot(mapOrphanBlocks[inv.hash]));
// Track requests for our stuff
else if (strCommand == "getaddr")
{
- // Nodes rebroadcast an addr every 24 hours
pfrom->vAddrToSend.clear();
- int64 nSince = GetAdjustedTime() - 3 * 60 * 60; // in the last 3 hours
- CRITICAL_BLOCK(cs_mapAddresses)
- {
- unsigned int nCount = 0;
- BOOST_FOREACH(const PAIRTYPE(vector<unsigned char>, CAddress)& item, mapAddresses)
- {
- const CAddress& addr = item.second;
- if (addr.nTime > nSince)
- nCount++;
- }
- BOOST_FOREACH(const PAIRTYPE(vector<unsigned char>, CAddress)& item, mapAddresses)
- {
- const CAddress& addr = item.second;
- if (addr.nTime > nSince && GetRand(nCount) < 2500)
- pfrom->PushAddress(addr);
- }
- }
+ vector<CAddress> vAddr = addrman.GetAddr();
+ BOOST_FOREACH(const CAddress &addr, vAddr)
+ pfrom->PushAddress(addr);
}
/// we have a chance to check the order here
// Keep giving the same key to the same ip until they use it
- if (!mapReuseKey.count(pfrom->addr.ip))
- pwalletMain->GetKeyFromPool(mapReuseKey[pfrom->addr.ip], true);
+ if (!mapReuseKey.count(pfrom->addr))
+ pwalletMain->GetKeyFromPool(mapReuseKey[pfrom->addr], true);
// Send back approval of order and pubkey to use
CScript scriptPubKey;
- scriptPubKey << mapReuseKey[pfrom->addr.ip] << OP_CHECKSIG;
+ scriptPubKey << mapReuseKey[pfrom->addr] << OP_CHECKSIG;
pfrom->PushMessage("reply", hashReply, (int)0, scriptPubKey);
}
}
// Checksum
- if (vRecv.GetVersion() >= 209)
+ uint256 hash = Hash(vRecv.begin(), vRecv.begin() + nMessageSize);
+ unsigned int nChecksum = 0;
+ memcpy(&nChecksum, &hash, sizeof(nChecksum));
+ if (nChecksum != hdr.nChecksum)
{
- uint256 hash = Hash(vRecv.begin(), vRecv.begin() + nMessageSize);
- unsigned int nChecksum = 0;
- memcpy(&nChecksum, &hash, sizeof(nChecksum));
- if (nChecksum != hdr.nChecksum)
- {
- printf("ProcessMessage(%s, %u bytes) : CHECKSUM ERROR nChecksum=%08x hdr.nChecksum=%08x\n",
- strCommand.c_str(), nMessageSize, nChecksum, hdr.nChecksum);
- continue;
- }
+ printf("ProcessMessage(%s, %u bytes) : CHECKSUM ERROR nChecksum=%08x hdr.nChecksum=%08x\n",
+ strCommand.c_str(), nMessageSize, nChecksum, hdr.nChecksum);
+ continue;
}
// Copy message to its own buffer
// Address refresh broadcast
static int64 nLastRebroadcast;
- if (GetTime() - nLastRebroadcast > 24 * 60 * 60)
+ if (!IsInitialBlockDownload() && (GetTime() - nLastRebroadcast > 24 * 60 * 60))
{
- nLastRebroadcast = GetTime();
CRITICAL_BLOCK(cs_vNodes)
{
BOOST_FOREACH(CNode* pnode, vNodes)
{
// Periodically clear setAddrKnown to allow refresh broadcasts
- pnode->setAddrKnown.clear();
+ if (nLastRebroadcast)
+ pnode->setAddrKnown.clear();
// Rebroadcast our address
- if (addrLocalHost.IsRoutable() && !fUseProxy)
+ if (!fNoListen && !fUseProxy && addrLocalHost.IsRoutable())
{
CAddress addr(addrLocalHost);
addr.nTime = GetAdjustedTime();
}
}
}
+ nLastRebroadcast = GetTime();
}
- // Clear out old addresses periodically so it's not too much work at once
- static int64 nLastClear;
- if (nLastClear == 0)
- nLastClear = GetTime();
- if (GetTime() - nLastClear > 10 * 60 && vNodes.size() >= 3)
- {
- nLastClear = GetTime();
- CRITICAL_BLOCK(cs_mapAddresses)
- {
- CAddrDB addrdb;
- int64 nSince = GetAdjustedTime() - 14 * 24 * 60 * 60;
- for (map<vector<unsigned char>, CAddress>::iterator mi = mapAddresses.begin();
- mi != mapAddresses.end();)
- {
- const CAddress& addr = (*mi).second;
- if (addr.nTime < nSince)
- {
- if (mapAddresses.size() < 1000 || GetTime() > nLastClear + 20)
- break;
- addrdb.EraseAddress(addr);
- mapAddresses.erase(mi++);
- }
- else
- mi++;
- }
- }
- }
-
-
//
// Message: addr
//
};
+uint64 nLastBlockTx = 0;
+uint64 nLastBlockSize = 0;
+
CBlock* CreateNewBlock(CReserveKey& reservekey)
{
CBlockIndex* pindexPrev = pindexBest;
dPriority += (double)nValueIn * nConf;
if (fDebug && GetBoolArg("-printpriority"))
- printf("priority nValueIn=%-12I64d nConf=%-5d dPriority=%-20.1f\n", nValueIn, nConf, dPriority);
+ printf("priority nValueIn=%-12"PRI64d" nConf=%-5d dPriority=%-20.1f\n", nValueIn, nConf, dPriority);
}
// Priority is sum(valuein * age) / txsize
// Collect transactions into block
map<uint256, CTxIndex> mapTestPool;
uint64 nBlockSize = 1000;
+ uint64 nBlockTx = 0;
int nBlockSigOps = 100;
while (!mapPriority.empty())
{
continue;
// Legacy limits on sigOps:
- int nTxSigOps = tx.GetSigOpCount();
+ int nTxSigOps = tx.GetLegacySigOpCount();
if (nBlockSigOps + nTxSigOps >= MAX_BLOCK_SIGOPS)
continue;
// Transaction fee required depends on block size
bool fAllowFree = (nBlockSize + nTxSize < 4000 || CTransaction::AllowFree(dPriority));
- int64 nMinFee = tx.GetMinFee(nBlockSize, fAllowFree);
+ int64 nMinFee = tx.GetMinFee(nBlockSize, fAllowFree, GMF_BLOCK);
// Connecting shouldn't fail due to dependency on other memory pool transactions
// because we're already processing them in order of dependency
map<uint256, CTxIndex> mapTestPoolTmp(mapTestPool);
- bool fInvalid;
MapPrevTx mapInputs;
+ bool fInvalid;
if (!tx.FetchInputs(txdb, mapTestPoolTmp, false, true, mapInputs, fInvalid))
continue;
// Added
pblock->vtx.push_back(tx);
nBlockSize += nTxSize;
+ ++nBlockTx;
nBlockSigOps += nTxSigOps;
nFees += nTxFees;
}
}
}
+
+ nLastBlockTx = nBlockTx;
+ nLastBlockSize = nBlockSize;
+ printf("CreateNewBlock(): total size %lu\n", nBlockSize);
+
}
pblock->vtx[0].vout[0].nValue = GetBlockValue(pindexPrev->nHeight+1, nFees);
hashPrevBlock = pblock->hashPrevBlock;
}
++nExtraNonce;
- pblock->vtx[0].vin[0].scriptSig = CScript() << pblock->nTime << CBigNum(nExtraNonce);
+ pblock->vtx[0].vin[0].scriptSig = (CScript() << pblock->nTime << CBigNum(nExtraNonce)) + COINBASE_FLAGS;
+ assert(pblock->vtx[0].vin[0].scriptSig.size() <= 100);
+
pblock->hashMerkleRoot = pblock->BuildMerkleTree();
}
void static ThreadBitcoinMiner(void* parg);
+static bool fGenerateBitcoins = false;
+static bool fLimitProcessors = false;
+static int nLimitProcessors = -1;
+
void static BitcoinMiner(CWallet *pwallet)
{
printf("BitcoinMiner started\n");
{
nLogTime = GetTime();
printf("%s ", DateTimeStrFormat("%x %H:%M", GetTime()).c_str());
- printf("hashmeter %3d CPUs %6.0f khash/s\n", vnThreadsRunning[3], dHashesPerSec/1000.0);
+ printf("hashmeter %3d CPUs %6.0f khash/s\n", vnThreadsRunning[THREAD_MINER], dHashesPerSec/1000.0);
}
}
}
return;
if (!fGenerateBitcoins)
return;
- if (fLimitProcessors && vnThreadsRunning[3] > nLimitProcessors)
+ if (fLimitProcessors && vnThreadsRunning[THREAD_MINER] > nLimitProcessors)
return;
if (vNodes.empty())
break;
CWallet* pwallet = (CWallet*)parg;
try
{
- vnThreadsRunning[3]++;
+ vnThreadsRunning[THREAD_MINER]++;
BitcoinMiner(pwallet);
- vnThreadsRunning[3]--;
+ vnThreadsRunning[THREAD_MINER]--;
}
catch (std::exception& e) {
- vnThreadsRunning[3]--;
+ vnThreadsRunning[THREAD_MINER]--;
PrintException(&e, "ThreadBitcoinMiner()");
} catch (...) {
- vnThreadsRunning[3]--;
+ vnThreadsRunning[THREAD_MINER]--;
PrintException(NULL, "ThreadBitcoinMiner()");
}
UIThreadCall(boost::bind(CalledSetStatusBar, "", 0));
nHPSTimerStart = 0;
- if (vnThreadsRunning[3] == 0)
+ if (vnThreadsRunning[THREAD_MINER] == 0)
dHashesPerSec = 0;
- printf("ThreadBitcoinMiner exiting, %d threads remaining\n", vnThreadsRunning[3]);
+ printf("ThreadBitcoinMiner exiting, %d threads remaining\n", vnThreadsRunning[THREAD_MINER]);
}
void GenerateBitcoins(bool fGenerate, CWallet* pwallet)
{
- if (fGenerateBitcoins != fGenerate)
- {
- fGenerateBitcoins = fGenerate;
- WriteSetting("fGenerateBitcoins", fGenerateBitcoins);
- MainFrameRepaint();
- }
- if (fGenerateBitcoins)
+ fGenerateBitcoins = fGenerate;
+ nLimitProcessors = GetArg("-genproclimit", -1);
+ if (nLimitProcessors == 0)
+ fGenerateBitcoins = false;
+ fLimitProcessors = (nLimitProcessors != -1);
+
+ if (fGenerate)
{
int nProcessors = boost::thread::hardware_concurrency();
printf("%d processors\n", nProcessors);
nProcessors = 1;
if (fLimitProcessors && nProcessors > nLimitProcessors)
nProcessors = nLimitProcessors;
- int nAddThreads = nProcessors - vnThreadsRunning[3];
+ int nAddThreads = nProcessors - vnThreadsRunning[THREAD_MINER];
printf("Starting %d BitcoinMiner threads\n", nAddThreads);
for (int i = 0; i < nAddThreads; i++)
{
git://git.novaco.in / novacoin.git / commitdiff