BF_NONE = 0,

BF_EXPLICIT = (1U << 0),

BF_REPORT_ERROR = (1U << 1)

{

LogPrintf("Shutdown : In progress...\n");

static CCriticalSection cs_Shutdown;

TRY_LOCK(cs_Shutdown, lockShutdown);

if (!lockShutdown) return;

RenameThread("bitcoin-shutoff");

mempool.AddTransactionsUpdated(1);

StopRPCThreads();

ShutdownRPCMining();

if (pwalletMain)

bitdb.Flush(false);

GenerateBitcoins(false, NULL);

StopNode();

{

LOCK(cs_main);

if (pwalletMain)

pwalletMain->SetBestChain(chainActive.GetLocator());

if (pblocktree)

pblocktree->Flush();

if (pcoinsTip)

pcoinsTip->Flush();

delete pcoinsTip; pcoinsTip = NULL;

delete pcoinsdbview; pcoinsdbview = NULL;

delete pblocktree; pblocktree = NULL;

}

if (pwalletMain)

bitdb.Flush(true);

boost::filesystem::remove(GetPidFile());

UnregisterAllWallets();

if (pwalletMain)

delete pwalletMain;

LogPrintf("Shutdown : done\n");

{

uiInterface.ThreadSafeMessageBox(str, "", CClientUIInterface::MSG_ERROR);

return false;

{

uiInterface.ThreadSafeMessageBox(str, "", CClientUIInterface::MSG_WARNING);

return true;

if (!(flags & BF_EXPLICIT) && IsLimited(addr))

return false;

std::string strError;

if (!BindListenPort(addr, strError)) {

if (flags & BF_REPORT_ERROR)

return InitError(strError);

return false;

}

return true;

{

string strUsage = _("Options:") + "\n";

strUsage += " -? " + _("This help message") + "\n";

strUsage += " -conf=<file> " + _("Specify configuration file (default: bitcoin.conf)") + "\n";

strUsage += " -datadir=<dir> " + _("Specify data directory") + "\n";

strUsage += " -testnet " + _("Use the test network") + "\n";

if(hmm == HMM_BITCOIND || hmm == HMM_BITCOIN_QT)

{

strUsage += " -pid=<file> " + _("Specify pid file (default: bitcoind.pid)") + "\n";

strUsage += " -gen " + _("Generate coins (default: 0)") + "\n";

strUsage += " -wallet=<file> " + _("Specify wallet file (within data directory)") + "\n";

strUsage += " -dbcache=<n> " + _("Set database cache size in megabytes (default: 25)") + "\n";

strUsage += " -timeout=<n> " + _("Specify connection timeout in milliseconds (default: 5000)") + "\n";

strUsage += " -proxy=<ip:port> " + _("Connect through socks proxy") + "\n";

strUsage += " -socks=<n> " + _("Select the version of socks proxy to use (4-5, default: 5)") + "\n";

strUsage += " -onion=<ip:port> " + _("Use proxy to reach tor hidden services (default: same as -proxy)") + "\n";

strUsage += " -dns " + _("Allow DNS lookups for -addnode, -seednode and -connect") + "\n";

strUsage += " -port=<port> " + _("Listen for connections on <port> (default: 8333 or testnet: 18333)") + "\n";

strUsage += " -maxconnections=<n> " + _("Maintain at most <n> connections to peers (default: 125)") + "\n";

strUsage += " -addnode=<ip> " + _("Add a node to connect to and attempt to keep the connection open") + "\n";

strUsage += " -connect=<ip> " + _("Connect only to the specified node(s)") + "\n";

strUsage += " -seednode=<ip> " + _("Connect to a node to retrieve peer addresses, and disconnect") + "\n";

strUsage += " -externalip=<ip> " + _("Specify your own public address") + "\n";

strUsage += " -onlynet=<net> " + _("Only connect to nodes in network <net> (IPv4, IPv6 or Tor)") + "\n";

strUsage += " -discover " + _("Discover own IP address (default: 1 when listening and no -externalip)") + "\n";

strUsage += " -checkpoints " + _("Only accept block chain matching built-in checkpoints (default: 1)") + "\n";

strUsage += " -listen " + _("Accept connections from outside (default: 1 if no -proxy or -connect)") + "\n";

strUsage += " -bind=<addr> " + _("Bind to given address and always listen on it. Use [host]:port notation for IPv6") + "\n";

strUsage += " -dnsseed " + _("Find peers using DNS lookup (default: 1 unless -connect)") + "\n";

strUsage += " -banscore=<n> " + _("Threshold for disconnecting misbehaving peers (default: 100)") + "\n";

strUsage += " -bantime=<n> " + _("Number of seconds to keep misbehaving peers from reconnecting (default: 86400)") + "\n";

strUsage += " -maxreceivebuffer=<n> " + _("Maximum per-connection receive buffer, <n>*1000 bytes (default: 5000)") + "\n";

strUsage += " -maxsendbuffer=<n> " + _("Maximum per-connection send buffer, <n>*1000 bytes (default: 1000)") + "\n";

#ifdef USE_UPNP

#if USE_UPNP

strUsage += " -upnp " + _("Use UPnP to map the listening port (default: 1 when listening)") + "\n";

#else

strUsage += " -upnp " + _("Use UPnP to map the listening port (default: 0)") + "\n";

#endif

#endif

strUsage += " -paytxfee=<amt> " + _("Fee per KB to add to transactions you send") + "\n";

strUsage += " -debug=<category> " + _("Output debugging information (default: 0, supplying <category> is optional)") + "\n";

strUsage += _("If <category> is not supplied, output all debugging information.") + "\n";

strUsage += _("<category> can be:");

strUsage += " addrman, alert, coindb, db, lock, rand, rpc, selectcoins, mempool, net"; // Don't translate these and qt below

if (hmm == HMM_BITCOIN_QT)

{

strUsage += ", qt.\n";

}

else

{

strUsage += ".\n";

}

strUsage += " -logtimestamps " + _("Prepend debug output with timestamp (default: 1)") + "\n";

strUsage += " -shrinkdebugfile " + _("Shrink debug.log file on client startup (default: 1 when no -debug)") + "\n";

strUsage += " -printtoconsole " + _("Send trace/debug info to console instead of debug.log file") + "\n";

strUsage += " -regtest " + _("Enter regression test mode, which uses a special chain in which blocks can be "

"solved instantly. This is intended for regression testing tools and app development.") + "\n";

#ifdef WIN32

strUsage += " -printtodebugger " + _("Send trace/debug info to debugger") + "\n";

#endif

}

if (hmm == HMM_BITCOIN_QT)

{

strUsage += " -server " + _("Accept command line and JSON-RPC commands") + "\n";

}

if (hmm == HMM_BITCOIND)

{

#if !defined(WIN32)

strUsage += " -daemon " + _("Run in the background as a daemon and accept commands") + "\n";

#endif

}

if (hmm == HMM_BITCOIND || hmm == HMM_BITCOIN_CLI)

{

strUsage += " -rpcconnect=<ip> " + _("Send commands to node running on <ip> (default: 127.0.0.1)") + "\n";

}

strUsage += " -rpcuser=<user> " + _("Username for JSON-RPC connections") + "\n";

strUsage += " -rpcpassword=<pw> " + _("Password for JSON-RPC connections") + "\n";

if (hmm == HMM_BITCOIND || hmm == HMM_BITCOIN_QT)

{

strUsage += " -rpcport=<port> " + _("Listen for JSON-RPC connections on <port> (default: 8332 or testnet: 18332)") + "\n";

} else {

strUsage += " -rpcport=<port> " + _("Connect to JSON-RPC on <port> (default: 8332 or testnet: 18332)") + "\n";

}

if(hmm == HMM_BITCOIND || hmm == HMM_BITCOIN_QT)

{

strUsage += " -rpcallowip=<ip> " + _("Allow JSON-RPC connections from specified IP address") + "\n";

strUsage += " -rpcthreads=<n> " + _("Set the number of threads to service RPC calls (default: 4)") + "\n";

strUsage += " -blocknotify=<cmd> " + _("Execute command when the best block changes (%s in cmd is replaced by block hash)") + "\n";

strUsage += " -walletnotify=<cmd> " + _("Execute command when a wallet transaction changes (%s in cmd is replaced by TxID)") + "\n";

strUsage += " -alertnotify=<cmd> " + _("Execute command when a relevant alert is received or we see a really long fork (%s in cmd is replaced by message)") + "\n";

strUsage += " -upgradewallet " + _("Upgrade wallet to latest format") + "\n";

strUsage += " -keypool=<n> " + _("Set key pool size to <n> (default: 100)") + "\n";

strUsage += " -rescan " + _("Rescan the block chain for missing wallet transactions") + "\n";

strUsage += " -salvagewallet " + _("Attempt to recover private keys from a corrupt wallet.dat") + "\n";

strUsage += " -checkblocks=<n> " + _("How many blocks to check at startup (default: 288, 0 = all)") + "\n";

strUsage += " -checklevel=<n> " + _("How thorough the block verification is (0-4, default: 3)") + "\n";

strUsage += " -txindex " + _("Maintain a full transaction index (default: 0)") + "\n";

strUsage += " -loadblock=<file> " + _("Imports blocks from external blk000??.dat file") + "\n";

strUsage += " -reindex " + _("Rebuild block chain index from current blk000??.dat files") + "\n";

strUsage += " -par=<n> " + _("Set the number of script verification threads (up to 16, 0 = auto, <0 = leave that many cores free, default: 0)") + "\n";

strUsage += "\n" + _("Block creation options:") + "\n";

strUsage += " -blockminsize=<n> " + _("Set minimum block size in bytes (default: 0)") + "\n";

strUsage += " -blockmaxsize=<n> " + _("Set maximum block size in bytes (default: 250000)") + "\n";

strUsage += " -blockprioritysize=<n> " + _("Set maximum size of high-priority/low-fee transactions in bytes (default: 27000)") + "\n";

}

strUsage += "\n" + _("SSL options: (see the Bitcoin Wiki for SSL setup instructions)") + "\n";

strUsage += " -rpcssl " + _("Use OpenSSL (https) for JSON-RPC connections") + "\n";

if (hmm == HMM_BITCOIND || hmm == HMM_BITCOIN_QT)

{

strUsage += " -rpcsslcertificatechainfile=<file.cert> " + _("Server certificate file (default: server.cert)") + "\n";

strUsage += " -rpcsslprivatekeyfile=<file.pem> " + _("Server private key (default: server.pem)") + "\n";

strUsage += " -rpcsslciphers=<ciphers> " + _("Acceptable ciphers (default: TLSv1.2+HIGH:TLSv1+HIGH:!SSLv2:!aNULL:!eNULL:!3DES:@STRENGTH)") + "\n";

}

return strUsage;

{

CImportingNow() {

assert(fImporting == false);

fImporting = true;

}

~CImportingNow() {

assert(fImporting == true);

fImporting = false;

}

{

RenameThread("bitcoin-loadblk");

// -reindex

if (fReindex) {

CImportingNow imp;

int nFile = 0;

while (true) {

CDiskBlockPos pos(nFile, 0);

FILE *file = OpenBlockFile(pos, true);

if (!file)

break;

LogPrintf("Reindexing block file blk%05u.dat...\n", (unsigned int)nFile);

LoadExternalBlockFile(file, &pos);

nFile++;

}

pblocktree->WriteReindexing(false);

fReindex = false;

LogPrintf("Reindexing finished\n");

// To avoid ending up in a situation without genesis block, re-try initializing (no-op if reindexing worked):

InitBlockIndex();

}

// hardcoded $DATADIR/bootstrap.dat

filesystem::path pathBootstrap = GetDataDir() / "bootstrap.dat";

if (filesystem::exists(pathBootstrap)) {

FILE *file = fopen(pathBootstrap.string().c_str(), "rb");

if (file) {

CImportingNow imp;

filesystem::path pathBootstrapOld = GetDataDir() / "bootstrap.dat.old";

LogPrintf("Importing bootstrap.dat...\n");

LoadExternalBlockFile(file);

RenameOver(pathBootstrap, pathBootstrapOld);

}

}

// -loadblock=

BOOST_FOREACH(boost::filesystem::path &path, vImportFiles) {

FILE *file = fopen(path.string().c_str(), "rb");

if (file) {

CImportingNow imp;

LogPrintf("Importing %s...\n", path.string().c_str());

LoadExternalBlockFile(file);

}

}

{

// ********************************************************* Step 1: setup

#ifdef _MSC_VER

// Turn off Microsoft heap dump noise

_CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE);

_CrtSetReportFile(_CRT_WARN, CreateFileA("NUL", GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0));

#endif

#if _MSC_VER >= 1400

// Disable confusing "helpful" text message on abort, Ctrl-C

_set_abort_behavior(0, _WRITE_ABORT_MSG | _CALL_REPORTFAULT);

#endif

#ifdef WIN32

// Enable Data Execution Prevention (DEP)

// Minimum supported OS versions: WinXP SP3, WinVista >= SP1, Win Server 2008

// A failure is non-critical and needs no further attention!

#ifndef PROCESS_DEP_ENABLE

// We define this here, because GCCs winbase.h limits this to _WIN32_WINNT >= 0x0601 (Windows 7),

// which is not correct. Can be removed, when GCCs winbase.h is fixed!

#define PROCESS_DEP_ENABLE 0x00000001

#endif

typedef BOOL (WINAPI *PSETPROCDEPPOL)(DWORD);

PSETPROCDEPPOL setProcDEPPol = (PSETPROCDEPPOL)GetProcAddress(GetModuleHandleA("Kernel32.dll"), "SetProcessDEPPolicy");

if (setProcDEPPol != NULL) setProcDEPPol(PROCESS_DEP_ENABLE);

// Initialize Windows Sockets

WSADATA wsadata;

int ret = WSAStartup(MAKEWORD(2,2), &wsadata);

if (ret != NO_ERROR || LOBYTE(wsadata.wVersion ) != 2 || HIBYTE(wsadata.wVersion) != 2)

{

return InitError(strprintf("Error: Winsock library failed to start (WSAStartup returned error %d)", ret));

}

#endif

#ifndef WIN32

umask(077);

// Clean shutdown on SIGTERM

struct sigaction sa;

sa.sa_handler = HandleSIGTERM;

sigemptyset(&sa.sa_mask);

sa.sa_flags = 0;

sigaction(SIGTERM, &sa, NULL);

sigaction(SIGINT, &sa, NULL);

// Reopen debug.log on SIGHUP

struct sigaction sa_hup;

sa_hup.sa_handler = HandleSIGHUP;

sigemptyset(&sa_hup.sa_mask);

sa_hup.sa_flags = 0;

sigaction(SIGHUP, &sa_hup, NULL);

#if defined (__SVR4) && defined (__sun)

// ignore SIGPIPE on Solaris

signal(SIGPIPE, SIG_IGN);

#endif

#endif

// ********************************************************* Step 2: parameter interactions

if (mapArgs.count("-bind")) {

// when specifying an explicit binding address, you want to listen on it

// even when -connect or -proxy is specified

SoftSetBoolArg("-listen", true);

}

if (mapArgs.count("-connect") && mapMultiArgs["-connect"].size() > 0) {

// when only connecting to trusted nodes, do not seed via DNS, or listen by default

SoftSetBoolArg("-dnsseed", false);

SoftSetBoolArg("-listen", false);

}

if (mapArgs.count("-proxy")) {

// to protect privacy, do not listen by default if a proxy server is specified

SoftSetBoolArg("-listen", false);

}

if (!GetBoolArg("-listen", true)) {

// do not map ports or try to retrieve public IP when not listening (pointless)

SoftSetBoolArg("-upnp", false);

SoftSetBoolArg("-discover", false);

}

if (mapArgs.count("-externalip")) {

// if an explicit public IP is specified, do not try to find others

SoftSetBoolArg("-discover", false);

}

if (GetBoolArg("-salvagewallet", false)) {

// Rewrite just private keys: rescan to find transactions

SoftSetBoolArg("-rescan", true);

}

// Make sure enough file descriptors are available

int nBind = std::max((int)mapArgs.count("-bind"), 1);

nMaxConnections = GetArg("-maxconnections", 125);

nMaxConnections = std::max(std::min(nMaxConnections, (int)(FD_SETSIZE - nBind - MIN_CORE_FILEDESCRIPTORS)), 0);

int nFD = RaiseFileDescriptorLimit(nMaxConnections + MIN_CORE_FILEDESCRIPTORS);

if (nFD < MIN_CORE_FILEDESCRIPTORS)

return InitError(_("Not enough file descriptors available."));

if (nFD - MIN_CORE_FILEDESCRIPTORS < nMaxConnections)

nMaxConnections = nFD - MIN_CORE_FILEDESCRIPTORS;

// ********************************************************* Step 3: parameter-to-internal-flags

fDebug = !mapMultiArgs["-debug"].empty();

// Special-case: if -debug=0/-nodebug is set, turn off debugging messages

const vector<string>& categories = mapMultiArgs["-debug"];

if (GetBoolArg("-nodebug", false) || find(categories.begin(), categories.end(), string("0")) != categories.end())

fDebug = false;

// Check for -debugnet (deprecated)

if (GetBoolArg("-debugnet", false))

InitWarning(_("Warning: Deprecated argument -debugnet ignored, use -debug=net"));

fBenchmark = GetBoolArg("-benchmark", false);

mempool.setSanityCheck(GetBoolArg("-checkmempool", RegTest()));

Checkpoints::fEnabled = GetBoolArg("-checkpoints", true);

// -par=0 means autodetect, but nScriptCheckThreads==0 means no concurrency

nScriptCheckThreads = GetArg("-par", 0);

if (nScriptCheckThreads <= 0)

nScriptCheckThreads += boost::thread::hardware_concurrency();

if (nScriptCheckThreads <= 1)

nScriptCheckThreads = 0;

else if (nScriptCheckThreads > MAX_SCRIPTCHECK_THREADS)

nScriptCheckThreads = MAX_SCRIPTCHECK_THREADS;

if (fDaemon || fForceServer)

fServer = true;

else

fServer = GetBoolArg("-server", false);

fPrintToConsole = GetBoolArg("-printtoconsole", false);

fPrintToDebugger = GetBoolArg("-printtodebugger", false);

fLogTimestamps = GetBoolArg("-logtimestamps", true);

if (mapArgs.count("-timeout"))

{

int nNewTimeout = GetArg("-timeout", 5000);

if (nNewTimeout > 0 && nNewTimeout < 600000)

nConnectTimeout = nNewTimeout;

}

// 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));

// Fee-per-kilobyte amount considered the same as "free"

// If you are mining, be careful setting this:

// if you set it to zero then

// a transaction spammer can cheaply fill blocks using

// 1-satoshi-fee transactions. It should be set above the real

// cost to you of processing a transaction.

if (mapArgs.count("-mintxfee"))

{

int64_t n = 0;

if (ParseMoney(mapArgs["-mintxfee"], n) && n > 0)

CTransaction::nMinTxFee = n;

else

return InitError(strprintf(_("Invalid amount for -mintxfee=<amount>: '%s'"), mapArgs["-mintxfee"].c_str()));

}

if (mapArgs.count("-minrelaytxfee"))

{

int64_t n = 0;

if (ParseMoney(mapArgs["-minrelaytxfee"], n) && n > 0)

CTransaction::nMinRelayTxFee = n;

else

return InitError(strprintf(_("Invalid amount for -minrelaytxfee=<amount>: '%s'"), mapArgs["-minrelaytxfee"].c_str()));

}

if (mapArgs.count("-paytxfee"))

{

if (!ParseMoney(mapArgs["-paytxfee"], nTransactionFee))

return InitError(strprintf(_("Invalid amount for -paytxfee=<amount>: '%s'"), mapArgs["-paytxfee"].c_str()));

if (nTransactionFee > 0.25 * COIN)

InitWarning(_("Warning: -paytxfee is set very high! This is the transaction fee you will pay if you send a transaction."));

}

strWalletFile = GetArg("-wallet", "wallet.dat");

// ********************************************************* Step 4: application initialization: dir lock, daemonize, pidfile, debug log

std::string strDataDir = GetDataDir().string();

// Wallet file must be a plain filename without a directory

if (strWalletFile != boost::filesystem::basename(strWalletFile) + boost::filesystem::extension(strWalletFile))

return InitError(strprintf(_("Wallet %s resides outside data directory %s"), strWalletFile.c_str(), strDataDir.c_str()));

// Make sure only a single Bitcoin process is using the data directory.

boost::filesystem::path pathLockFile = GetDataDir() / ".lock";

FILE* file = fopen(pathLockFile.string().c_str(), "a"); // empty lock file; created if it doesn't exist.

if (file) fclose(file);

static boost::interprocess::file_lock lock(pathLockFile.string().c_str());

if (!lock.try_lock())

return InitError(strprintf(_("Cannot obtain a lock on data directory %s. Bitcoin is probably already running."), strDataDir.c_str()));

if (GetBoolArg("-shrinkdebugfile", !fDebug))

ShrinkDebugFile();

LogPrintf("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n");

LogPrintf("Bitcoin version %s (%s)\n", FormatFullVersion().c_str(), CLIENT_DATE.c_str());

LogPrintf("Using OpenSSL version %s\n", SSLeay_version(SSLEAY_VERSION));

if (!fLogTimestamps)

LogPrintf("Startup time: %s\n", DateTimeStrFormat("%Y-%m-%d %H:%M:%S", GetTime()).c_str());

LogPrintf("Default data directory %s\n", GetDefaultDataDir().string().c_str());

LogPrintf("Using data directory %s\n", strDataDir.c_str());

LogPrintf("Using at most %i connections (%i file descriptors available)\n", nMaxConnections, nFD);

std::ostringstream strErrors;

if (fDaemon)

fprintf(stdout, "Bitcoin server starting\n");

if (nScriptCheckThreads) {

LogPrintf("Using %u threads for script verification\n", nScriptCheckThreads);

for (int i=0; i<nScriptCheckThreads-1; i++)

threadGroup.create_thread(&ThreadScriptCheck);

}

int64_t nStart;

// ********************************************************* Step 5: verify wallet database integrity

uiInterface.InitMessage(_("Verifying wallet..."));

if (!bitdb.Open(GetDataDir()))

{

// try moving the database env out of the way

boost::filesystem::path pathDatabase = GetDataDir() / "database";

boost::filesystem::path pathDatabaseBak = GetDataDir() / strprintf("database.%"PRId64".bak", GetTime());

try {

boost::filesystem::rename(pathDatabase, pathDatabaseBak);

LogPrintf("Moved old %s to %s. Retrying.\n", pathDatabase.string().c_str(), pathDatabaseBak.string().c_str());

} catch(boost::filesystem::filesystem_error &error) {

// failure is ok (well, not really, but it's not worse than what we started with)

}

// try again

if (!bitdb.Open(GetDataDir())) {

// if it still fails, it probably means we can't even create the database env

string msg = strprintf(_("Error initializing wallet database environment %s!"), strDataDir.c_str());

return InitError(msg);

}

}

if (GetBoolArg("-salvagewallet", false))

{

// Recover readable keypairs:

if (!CWalletDB::Recover(bitdb, strWalletFile, true))

return false;

}

if (filesystem::exists(GetDataDir() / strWalletFile))

{

CDBEnv::VerifyResult r = bitdb.Verify(strWalletFile, CWalletDB::Recover);

if (r == CDBEnv::RECOVER_OK)

{

string msg = strprintf(_("Warning: wallet.dat corrupt, data salvaged!"

" Original wallet.dat saved as wallet.{timestamp}.bak in %s; if"

" your balance or transactions are incorrect you should"

" restore from a backup."), strDataDir.c_str());

InitWarning(msg);

}

if (r == CDBEnv::RECOVER_FAIL)

return InitError(_("wallet.dat corrupt, salvage failed"));

}

// ********************************************************* Step 6: network initialization

RegisterNodeSignals(GetNodeSignals());

int nSocksVersion = GetArg("-socks", 5);

if (nSocksVersion != 4 && nSocksVersion != 5)

return InitError(strprintf(_("Unknown -socks proxy version requested: %i"), nSocksVersion));

if (mapArgs.count("-onlynet")) {

std::set<enum Network> nets;

BOOST_FOREACH(std::string snet, mapMultiArgs["-onlynet"]) {

enum Network net = ParseNetwork(snet);

if (net == NET_UNROUTABLE)

return InitError(strprintf(_("Unknown network specified in -onlynet: '%s'"), snet.c_str()));

nets.insert(net);

}

for (int n = 0; n < NET_MAX; n++) {

enum Network net = (enum Network)n;

if (!nets.count(net))

SetLimited(net);

}

}

#if defined(USE_IPV6)

#if ! USE_IPV6

else

SetLimited(NET_IPV6);

#endif

#endif

CService addrProxy;

bool fProxy = false;

if (mapArgs.count("-proxy")) {

addrProxy = CService(mapArgs["-proxy"], 9050);

if (!addrProxy.IsValid())

return InitError(strprintf(_("Invalid -proxy address: '%s'"), mapArgs["-proxy"].c_str()));

if (!IsLimited(NET_IPV4))

SetProxy(NET_IPV4, addrProxy, nSocksVersion);

if (nSocksVersion > 4) {

#ifdef USE_IPV6

if (!IsLimited(NET_IPV6))

SetProxy(NET_IPV6, addrProxy, nSocksVersion);

#endif

SetNameProxy(addrProxy, nSocksVersion);

}

fProxy = true;

}

// -onion can override normal proxy, -noonion disables tor entirely

// -tor here is a temporary backwards compatibility measure

if (mapArgs.count("-tor"))

printf("Notice: option -tor has been replaced with -onion and will be removed in a later version.\n");

if (!(mapArgs.count("-onion") && mapArgs["-onion"] == "0") &&

!(mapArgs.count("-tor") && mapArgs["-tor"] == "0") &&

(fProxy || mapArgs.count("-onion") || mapArgs.count("-tor"))) {

CService addrOnion;

if (!mapArgs.count("-onion") && !mapArgs.count("-tor"))

addrOnion = addrProxy;

else

addrOnion = mapArgs.count("-onion")?CService(mapArgs["-onion"], 9050):CService(mapArgs["-tor"], 9050);

if (!addrOnion.IsValid())

return InitError(strprintf(_("Invalid -onion address: '%s'"), mapArgs.count("-onion")?mapArgs["-onion"].c_str():mapArgs["-tor"].c_str()));

SetProxy(NET_TOR, addrOnion, 5);

SetReachable(NET_TOR);

}

// see Step 2: parameter interactions for more information about these

fNoListen = !GetBoolArg("-listen", true);

fDiscover = GetBoolArg("-discover", true);

fNameLookup = GetBoolArg("-dns", true);

bool fBound = false;

if (!fNoListen) {

if (mapArgs.count("-bind")) {

BOOST_FOREACH(std::string strBind, mapMultiArgs["-bind"]) {

CService addrBind;

if (!Lookup(strBind.c_str(), addrBind, GetListenPort(), false))

return InitError(strprintf(_("Cannot resolve -bind address: '%s'"), strBind.c_str()));

fBound |= Bind(addrBind, (BF_EXPLICIT | BF_REPORT_ERROR));

}

}

else {

struct in_addr inaddr_any;

inaddr_any.s_addr = INADDR_ANY;

#ifdef USE_IPV6

fBound |= Bind(CService(in6addr_any, GetListenPort()), BF_NONE);

#endif

fBound |= Bind(CService(inaddr_any, GetListenPort()), !fBound ? BF_REPORT_ERROR : BF_NONE);

}

if (!fBound)

return InitError(_("Failed to listen on any port. Use -listen=0 if you want this."));

}

if (mapArgs.count("-externalip")) {

BOOST_FOREACH(string strAddr, mapMultiArgs["-externalip"]) {

CService addrLocal(strAddr, GetListenPort(), fNameLookup);

if (!addrLocal.IsValid())

return InitError(strprintf(_("Cannot resolve -externalip address: '%s'"), strAddr.c_str()));

AddLocal(CService(strAddr, GetListenPort(), fNameLookup), LOCAL_MANUAL);

}

}

BOOST_FOREACH(string strDest, mapMultiArgs["-seednode"])

AddOneShot(strDest);

// ********************************************************* Step 7: load block chain

fReindex = GetBoolArg("-reindex", false);

// Upgrading to 0.8; hard-link the old blknnnn.dat files into /blocks/

filesystem::path blocksDir = GetDataDir() / "blocks";

if (!filesystem::exists(blocksDir))

{

filesystem::create_directories(blocksDir);

bool linked = false;

for (unsigned int i = 1; i < 10000; i++) {

filesystem::path source = GetDataDir() / strprintf("blk%04u.dat", i);

if (!filesystem::exists(source)) break;

filesystem::path dest = blocksDir / strprintf("blk%05u.dat", i-1);

try {

filesystem::create_hard_link(source, dest);

LogPrintf("Hardlinked %s -> %s\n", source.string().c_str(), dest.string().c_str());

linked = true;

} catch (filesystem::filesystem_error & e) {

// Note: hardlink creation failing is not a disaster, it just means

// blocks will get re-downloaded from peers.

LogPrintf("Error hardlinking blk%04u.dat : %s\n", i, e.what());

break;

}

}

if (linked)

{

fReindex = true;

}

}

// cache size calculations

size_t nTotalCache = GetArg("-dbcache", 25) << 20;

if (nTotalCache < (1 << 22))

nTotalCache = (1 << 22); // total cache cannot be less than 4 MiB

size_t nBlockTreeDBCache = nTotalCache / 8;

if (nBlockTreeDBCache > (1 << 21) && !GetBoolArg("-txindex", false))

nBlockTreeDBCache = (1 << 21); // block tree db cache shouldn't be larger than 2 MiB

nTotalCache -= nBlockTreeDBCache;

size_t nCoinDBCache = nTotalCache / 2; // use half of the remaining cache for coindb cache

nTotalCache -= nCoinDBCache;

nCoinCacheSize = nTotalCache / 300; // coins in memory require around 300 bytes

bool fLoaded = false;

while (!fLoaded) {

bool fReset = fReindex;

std::string strLoadError;

uiInterface.InitMessage(_("Loading block index..."));

nStart = GetTimeMillis();

do {

try {

UnloadBlockIndex();

delete pcoinsTip;

delete pcoinsdbview;

delete pblocktree;

pblocktree = new CBlockTreeDB(nBlockTreeDBCache, false, fReindex);

pcoinsdbview = new CCoinsViewDB(nCoinDBCache, false, fReindex);

pcoinsTip = new CCoinsViewCache(*pcoinsdbview);

if (fReindex)

pblocktree->WriteReindexing(true);

if (!LoadBlockIndex()) {

strLoadError = _("Error loading block database");

break;

}

// If the loaded chain has a wrong genesis, bail out immediately

// (we're likely using a testnet datadir, or the other way around).

if (!mapBlockIndex.empty() && chainActive.Genesis() == NULL)

return InitError(_("Incorrect or no genesis block found. Wrong datadir for network?"));

// Initialize the block index (no-op if non-empty database was already loaded)

if (!InitBlockIndex()) {

strLoadError = _("Error initializing block database");

break;

}

// Check for changed -txindex state

if (fTxIndex != GetBoolArg("-txindex", false)) {

strLoadError = _("You need to rebuild the database using -reindex to change -txindex");

break;

}

uiInterface.InitMessage(_("Verifying blocks..."));

if (!VerifyDB(GetArg("-checklevel", 3),

GetArg("-checkblocks", 288))) {

strLoadError = _("Corrupted block database detected");

break;

}

} catch(std::exception &e) {

if (fDebug) LogPrintf("%s\n", e.what());

strLoadError = _("Error opening block database");

break;

}

fLoaded = true;

} while(false);

if (!fLoaded) {

// first suggest a reindex

if (!fReset) {

bool fRet = uiInterface.ThreadSafeMessageBox(

strLoadError + ".\n\n" + _("Do you want to rebuild the block database now?"),

"", CClientUIInterface::MSG_ERROR | CClientUIInterface::BTN_ABORT);

if (fRet) {

fReindex = true;

fRequestShutdown = false;

} else {

LogPrintf("Aborted block database rebuild. Exiting.\n");

return false;

}

} else {

return InitError(strLoadError);

}

}

}

// as LoadBlockIndex can take several minutes, it's possible the user

// requested to kill bitcoin-qt during the last operation. If so, exit.

// As the program has not fully started yet, Shutdown() is possibly overkill.

if (fRequestShutdown)

{

LogPrintf("Shutdown requested. Exiting.\n");

return false;

}

LogPrintf(" block index %15"PRId64"ms\n", GetTimeMillis() - nStart);

if (GetBoolArg("-printblockindex", false) || GetBoolArg("-printblocktree", false))

{

PrintBlockTree();

return false;

}

if (mapArgs.count("-printblock"))

{

string strMatch = mapArgs["-printblock"];

int nFound = 0;

for (map<uint256, CBlockIndex*>::iterator mi = mapBlockIndex.begin(); mi != mapBlockIndex.end(); ++mi)

{

uint256 hash = (*mi).first;

if (strncmp(hash.ToString().c_str(), strMatch.c_str(), strMatch.size()) == 0)

{

CBlockIndex* pindex = (*mi).second;

CBlock block;

ReadBlockFromDisk(block, pindex);

block.BuildMerkleTree();

block.print();

LogPrintf("\n");

nFound++;

}

}

if (nFound == 0)

LogPrintf("No blocks matching %s were found\n", strMatch.c_str());

return false;

}

// ********************************************************* Step 8: load wallet

uiInterface.InitMessage(_("Loading wallet..."));

nStart = GetTimeMillis();

bool fFirstRun = true;

pwalletMain = new CWallet(strWalletFile);

DBErrors nLoadWalletRet = pwalletMain->LoadWallet(fFirstRun);

if (nLoadWalletRet != DB_LOAD_OK)

{

if (nLoadWalletRet == DB_CORRUPT)

strErrors << _("Error loading wallet.dat: Wallet corrupted") << "\n";

else if (nLoadWalletRet == DB_NONCRITICAL_ERROR)

{

string msg(_("Warning: error reading wallet.dat! All keys read correctly, but transaction data"

" or address book entries might be missing or incorrect."));

InitWarning(msg);

}

else if (nLoadWalletRet == DB_TOO_NEW)

strErrors << _("Error loading wallet.dat: Wallet requires newer version of Bitcoin") << "\n";

else if (nLoadWalletRet == DB_NEED_REWRITE)

{

strErrors << _("Wallet needed to be rewritten: restart Bitcoin to complete") << "\n";

LogPrintf("%s", strErrors.str().c_str());

return InitError(strErrors.str());

}

else

strErrors << _("Error loading wallet.dat") << "\n";

}

if (GetBoolArg("-upgradewallet", fFirstRun))

{

int nMaxVersion = GetArg("-upgradewallet", 0);

if (nMaxVersion == 0) // the -upgradewallet without argument case

{

LogPrintf("Performing wallet upgrade to %i\n", FEATURE_LATEST);

nMaxVersion = CLIENT_VERSION;

pwalletMain->SetMinVersion(FEATURE_LATEST); // permanently upgrade the wallet immediately

}

else

LogPrintf("Allowing wallet upgrade up to %i\n", nMaxVersion);

if (nMaxVersion < pwalletMain->GetVersion())

strErrors << _("Cannot downgrade wallet") << "\n";

pwalletMain->SetMaxVersion(nMaxVersion);

}

if (fFirstRun)

{

// Create new keyUser and set as default key

RandAddSeedPerfmon();

CPubKey newDefaultKey;

if (pwalletMain->GetKeyFromPool(newDefaultKey)) {

pwalletMain->SetDefaultKey(newDefaultKey);

if (!pwalletMain->SetAddressBook(pwalletMain->vchDefaultKey.GetID(), "", "receive"))

strErrors << _("Cannot write default address") << "\n";

}

pwalletMain->SetBestChain(chainActive.GetLocator());

}

LogPrintf("%s", strErrors.str().c_str());

LogPrintf(" wallet %15"PRId64"ms\n", GetTimeMillis() - nStart);

RegisterWallet(pwalletMain);

CBlockIndex *pindexRescan = chainActive.Tip();

if (GetBoolArg("-rescan", false))

pindexRescan = chainActive.Genesis();

else

{

CWalletDB walletdb(strWalletFile);

CBlockLocator locator;

if (walletdb.ReadBestBlock(locator))

pindexRescan = chainActive.FindFork(locator);

else

pindexRescan = chainActive.Genesis();

}

if (chainActive.Tip() && chainActive.Tip() != pindexRescan)

{

uiInterface.InitMessage(_("Rescanning..."));

LogPrintf("Rescanning last %i blocks (from block %i)...\n", chainActive.Height() - pindexRescan->nHeight, pindexRescan->nHeight);

nStart = GetTimeMillis();

pwalletMain->ScanForWalletTransactions(pindexRescan, true);

LogPrintf(" rescan %15"PRId64"ms\n", GetTimeMillis() - nStart);

pwalletMain->SetBestChain(chainActive.GetLocator());

nWalletDBUpdated++;

}

// ********************************************************* Step 9: import blocks

// scan for better chains in the block chain database, that are not yet connected in the active best chain

CValidationState state;

if (!ConnectBestBlock(state))

strErrors << "Failed to connect best block";

std::vector<boost::filesystem::path> vImportFiles;

if (mapArgs.count("-loadblock"))

{

BOOST_FOREACH(string strFile, mapMultiArgs["-loadblock"])

vImportFiles.push_back(strFile);

}