vTxn.front()->abort();
vTxn.clear();
pdb = NULL;
- dbenv.txn_checkpoint(0, 0, 0);
+
+ // Flush database activity from memory pool to disk log
+ unsigned int nMinutes = 0;
+ if (strFile == "addr.dat")
+ nMinutes = 2;
+ if (strFile == "blkindex.dat" && IsInitialBlockDownload() && nBestHeight % 500 != 0)
+ nMinutes = 1;
+ dbenv.txn_checkpoint(0, nMinutes, 0);
CRITICAL_BLOCK(cs_db)
--mapFileUseCount[strFile];
bool CTxDB::LoadBlockIndex()
{
- // Get cursor
+ // Get database cursor
Dbc* pcursor = GetCursor();
if (!pcursor)
return false;
+ // Load mapBlockIndex
unsigned int fFlags = DB_SET_RANGE;
loop
{
pindexNew->nBits = diskindex.nBits;
pindexNew->nNonce = diskindex.nNonce;
- // Watch for genesis block and best block
+ // Watch for genesis block
if (pindexGenesisBlock == NULL && diskindex.GetBlockHash() == hashGenesisBlock)
pindexGenesisBlock = pindexNew;
}
}
pcursor->close();
+ // Calculate bnChainWork
+ vector<pair<int, CBlockIndex*> > vSortedByHeight;
+ vSortedByHeight.reserve(mapBlockIndex.size());
+ foreach(const PAIRTYPE(uint256, CBlockIndex*)& item, mapBlockIndex)
+ {
+ CBlockIndex* pindex = item.second;
+ vSortedByHeight.push_back(make_pair(pindex->nHeight, pindex));
+ }
+ sort(vSortedByHeight.begin(), vSortedByHeight.end());
+ foreach(const PAIRTYPE(int, CBlockIndex*)& item, vSortedByHeight)
+ {
+ CBlockIndex* pindex = item.second;
+ pindex->bnChainWork = (pindex->pprev ? pindex->pprev->bnChainWork : 0) + pindex->GetBlockWork();
+ }
+
+ // Load hashBestChain pointer to end of best chain
if (!ReadHashBestChain(hashBestChain))
{
if (pindexGenesisBlock == NULL)
return true;
- return error("CTxDB::LoadBlockIndex() : hashBestChain not found");
+ return error("CTxDB::LoadBlockIndex() : hashBestChain not loaded");
}
-
if (!mapBlockIndex.count(hashBestChain))
- return error("CTxDB::LoadBlockIndex() : blockindex for hashBestChain not found");
+ 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(0,16).c_str(), nBestHeight);
return true;
extern CCriticalSection cs_mapAddressBook;
extern vector<unsigned char> vchDefaultKey;
extern bool fClient;
-
+extern int nBestHeight;
extern unsigned int nWalletDBUpdated;
if (!pdb)
return false;
DbTxn* ptxn = NULL;
- int ret = dbenv.txn_begin(GetTxn(), &ptxn, 0);
+ int ret = dbenv.txn_begin(GetTxn(), &ptxn, DB_TXN_NOSYNC);
if (!ptxn || ret != 0)
return false;
vTxn.push_back(ptxn);
const uint256 hashGenesisBlock("0x000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f");
CBlockIndex* pindexGenesisBlock = NULL;
int nBestHeight = -1;
+CBigNum bnBestChainWork = 0;
uint256 hashBestChain = 0;
CBlockIndex* pindexBest = NULL;
int64 nTimeBestReceived = 0;
return bnNew.GetCompact();
}
+vector<int> vStartingHeight;
+void AddStartingHeight(int nStartingHeight)
+{
+ if (nStartingHeight != -1)
+ {
+ vStartingHeight.push_back(nStartingHeight);
+ sort(vStartingHeight.begin(), vStartingHeight.end());
+ }
+}
+
+bool IsInitialBlockDownload()
+{
+ int nMedian = 69000;
+ if (vStartingHeight.size() >= 5)
+ nMedian = vStartingHeight[vStartingHeight.size()/2];
+ return nBestHeight < nMedian-1000;
+}
pindexNew->pprev = (*miPrev).second;
pindexNew->nHeight = pindexNew->pprev->nHeight + 1;
}
+ pindexNew->bnChainWork = (pindexNew->pprev ? pindexNew->pprev->bnChainWork : 0) + pindexNew->GetBlockWork();
CTxDB txdb;
txdb.TxnBegin();
txdb.WriteBlockIndex(CDiskBlockIndex(pindexNew));
// New best
- if (pindexNew->nHeight > nBestHeight)
+ if (pindexNew->bnChainWork > bnBestChainWork)
{
if (pindexGenesisBlock == NULL && hash == hashGenesisBlock)
{
hashBestChain = hash;
pindexBest = pindexNew;
nBestHeight = pindexBest->nHeight;
+ bnBestChainWork = pindexNew->bnChainWork;
nTimeBestReceived = GetTime();
nTransactionsUpdated++;
printf("AddToBlockIndex: new best=%s height=%d\n", hashBestChain.ToString().substr(0,16).c_str(), nBestHeight);
}
AddTimeData(pfrom->addr.ip, nTime);
+ AddStartingHeight(pfrom->nStartingHeight);
// Change version
if (pfrom->nVersion >= 209)
}
+int GetRandInt(int nMax)
+{
+ return GetRand(nMax);
+}
bool SelectCoins(int64 nTargetValue, set<CWalletTx*>& setCoinsRet)
{
CRITICAL_BLOCK(cs_mapWallet)
{
- for (map<uint256, CWalletTx>::iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
- {
- CWalletTx* pcoin = &(*it).second;
+ vector<CWalletTx*> vCoins;
+ vCoins.reserve(mapWallet.size());
+ for (map<uint256, CWalletTx>::iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
+ vCoins.push_back(&(*it).second);
+ random_shuffle(vCoins.begin(), vCoins.end(), GetRandInt);
+
+ foreach(CWalletTx* pcoin, vCoins)
+ {
if (!pcoin->IsFinal() || pcoin->fSpent)
continue;
int64 n = pcoin->GetCredit();
extern const uint256 hashGenesisBlock;
extern CBlockIndex* pindexGenesisBlock;
extern int nBestHeight;
+extern CBigNum bnBestChainWork;
extern uint256 hashBestChain;
extern CBlockIndex* pindexBest;
extern unsigned int nTransactionsUpdated;
void GenerateBitcoins(bool fGenerate);
void ThreadBitcoinMiner(void* parg);
void BitcoinMiner();
+bool IsInitialBlockDownload();
// Flush stdio buffers and commit to disk before returning
fflush(fileout);
+ if (!IsInitialBlockDownload() || (nBestHeight+1) % 500 == 0)
+ {
#ifdef __WXMSW__
- _commit(_fileno(fileout));
+ _commit(_fileno(fileout));
#else
- fsync(fileno(fileout));
+ fsync(fileno(fileout));
#endif
+ }
return true;
}
unsigned int nFile;
unsigned int nBlockPos;
int nHeight;
+ CBigNum bnChainWork;
// block header
int nVersion;
nFile = 0;
nBlockPos = 0;
nHeight = 0;
+ bnChainWork = 0;
nVersion = 0;
hashMerkleRoot = 0;
nFile = nFileIn;
nBlockPos = nBlockPosIn;
nHeight = 0;
+ bnChainWork = 0;
nVersion = block.nVersion;
hashMerkleRoot = block.hashMerkleRoot;
return *phashBlock;
}
+ CBigNum GetBlockWork() const
+ {
+ return (CBigNum(1)<<256) / (CBigNum().SetCompact(nBits)+1);
+ }
+
bool IsInMainChain() const
{
return (pnext || this == pindexBest);
LIBS= \
-Wl,-Bstatic \
- -l boost_system -l boost_filesystem -l boost_program_options \
+ -l boost_system -l boost_filesystem -l boost_program_options \
-l db_cxx \
-l crypto \
-Wl,-Bdynamic \
#if defined(__WXMSW__) && wxUSE_GUI
MyMessageBox(buffer, "Bitcoin", wxOK | wxICON_EXCLAMATION);
#else
- fprintf(stdout, buffer);
+ fprintf(stdout, "%s", buffer);
#endif
}
class CDataStream;
class CAutoFile;
-static const int VERSION = 302;
-static const char* pszSubVer = ".2";
+static const int VERSION = 303;
+static const char* pszSubVer = "";
# General Symbol Definitions
!define REGKEY "SOFTWARE\$(^Name)"
-!define VERSION 0.3.2
+!define VERSION 0.3.3
!define COMPANY "Bitcoin project"
!define URL http://www.bitcoin.org/
!insertmacro MUI_LANGUAGE English
# Installer attributes
-OutFile bitcoin-0.3.2-win32-setup.exe
+OutFile bitcoin-0.3.3-win32-setup.exe
InstallDir $PROGRAMFILES\Bitcoin
CRCCheck on
XPStyle on
ShowInstDetails show
-VIProductVersion 0.3.2.0
+VIProductVersion 0.3.3.0
VIAddVersionKey ProductName Bitcoin
VIAddVersionKey ProductVersion "${VERSION}"
VIAddVersionKey CompanyName "${COMPANY}"
CAboutDialog::CAboutDialog(wxWindow* parent) : CAboutDialogBase(parent)
{
m_staticTextVersion->SetLabel(strprintf(_("version %d.%d.%d beta"), VERSION/10000, (VERSION/100)%100, VERSION%100));
+ //m_staticTextVersion->SetLabel(strprintf(_("version %d.%d.%d%s beta"), VERSION/10000, (VERSION/100)%100, VERSION%100, pszSubVer));
// Change (c) into UTF-8 or ANSI copyright symbol
wxString str = m_staticTextMain->GetLabel();
public:
wxStaticText* m_staticTextVersion;
- CAboutDialogBase( wxWindow* parent, wxWindowID id = wxID_ANY, const wxString& title = _("About Bitcoin"), const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxSize( 532,329 ), long style = wxDEFAULT_DIALOG_STYLE );
+ CAboutDialogBase( wxWindow* parent, wxWindowID id = wxID_ANY, const wxString& title = _("About Bitcoin"), const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxSize( 532,333 ), long style = wxDEFAULT_DIALOG_STYLE );
~CAboutDialogBase();
};
<property name="minimum_size"></property>
<property name="name">CAboutDialogBase</property>
<property name="pos"></property>
- <property name="size">532,329</property>
+ <property name="size">532,333</property>
<property name="style">wxDEFAULT_DIALOG_STYLE</property>
<property name="subclass"></property>
<property name="title">About Bitcoin</property>
set<string> setOptions;
setOptions.insert("*");
-
+
for (pod::config_file_iterator it(streamConfig, setOptions), end; it != end; ++it)
{
// Don't overwrite existing settings so command line settings override bitcoin.conf
sort(vTimeOffsets.begin(), vTimeOffsets.end());
int64 nMedian = vTimeOffsets[vTimeOffsets.size()/2];
nTimeOffset = nMedian;
- if ((nMedian > 0 ? nMedian : -nMedian) > 36 * 60 * 60)
+ if ((nMedian > 0 ? nMedian : -nMedian) > 70 * 60)
{
// Only let other nodes change our clock so far before we
// go to the NTP servers