示例#1
0
文件: init.cpp 项目: T-X/bitcoin-git
bool AppInit2(int argc, char* argv[])
{
#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
#ifndef __WXMSW__
    umask(077);
#endif

    //
    // Parameters
    //
    ParseParameters(argc, argv);

    if (mapArgs.count("-datadir"))
        strlcpy(pszSetDataDir, mapArgs["-datadir"].c_str(), sizeof(pszSetDataDir));

    ReadConfigFile(mapArgs, mapMultiArgs); // Must be done after processing datadir

    if (mapArgs.count("-?") || mapArgs.count("--help"))
    {
        string strUsage = string() +
          _("Usage:") + "\t\t\t\t\t\t\t\t\t\t\n" +
            "  bitcoin [options]                   \t  " + "\n" +
            "  bitcoin [options] <command> [params]\t  " + _("Send command to -server or bitcoind\n") +
            "  bitcoin [options] <command> -?      \t\t  " + _("Get help for a command\n") +
            "  bitcoin help                        \t\t\t  " + _("List commands\n") +
          _("Options:\n") +
            "  -conf=<file>    \t  " + _("Specify configuration file (default: bitcoin.conf)\n") +
            "  -gen            \t  " + _("Generate coins\n") +
            "  -gen=0          \t  " + _("Don't generate coins\n") +
            "  -min            \t  " + _("Start minimized\n") +
            "  -datadir=<dir>  \t  " + _("Specify data directory\n") +
            "  -proxy=<ip:port>\t  " + _("Connect through socks4 proxy\n") +
            "  -addnode=<ip>   \t  " + _("Add a node to connect to\n") +
            "  -connect=<ip>   \t  " + _("Connect only to the specified node\n") +
            "  -server         \t  " + _("Accept command line and JSON-RPC commands\n") +
            "  -daemon         \t  " + _("Run in the background as a daemon and accept commands\n") +
            "  -?              \t  " + _("This help message\n");

#if defined(__WXMSW__) && defined(GUI)
        // Tabs make the columns line up in the message box
        wxMessageBox(strUsage, "Bitcoin", wxOK);
#else
        // Remove tabs
        strUsage.erase(std::remove(strUsage.begin(), strUsage.end(), '\t'), strUsage.end());
        fprintf(stderr, "%s", strUsage.c_str());
#endif
        return false;
    }

    if (mapArgs.count("-debug"))
        fDebug = true;

    if (mapArgs.count("-printtodebugger"))
        fPrintToDebugger = true;

    if (fCommandLine)
    {
        int ret = CommandLineRPC(argc, argv);
        exit(ret);
    }

    if (!fDebug && !pszSetDataDir[0])
        ShrinkDebugFile();
    printf("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n");
    printf("BitcoinTEST version %d.%d.%d%s beta\n", VERSION/10000, (VERSION/100)%100, VERSION%100, pszSubVer);
#ifdef GUI
    printf("OS version %s\n", ((string)wxGetOsDescription()).c_str());
    printf("System default language is %d %s\n", g_locale.GetSystemLanguage(), ((string)g_locale.GetSysName()).c_str());
    printf("Language file %s (%s)\n", (string("locale/") + (string)g_locale.GetCanonicalName() + "/LC_MESSAGES/bitcoin.mo").c_str(), ((string)g_locale.GetLocale()).c_str());
#endif
    printf("Default data directory %s\n", GetDefaultDataDir().c_str());

    if (mapArgs.count("-loadblockindextest"))
    {
        CTxDB txdb("r");
        txdb.LoadBlockIndex();
        PrintBlockTree();
        return false;
    }

    //
    // Limit to single instance per user
    // Required to protect the database files if we're going to keep deleting log.*
    //
#if defined(__WXMSW__) && defined(GUI)
    // todo: wxSingleInstanceChecker wasn't working on Linux, never deleted its lock file
    //  maybe should go by whether successfully bind port 18333 instead
    wxString strMutexName = wxString("bitcoin_running.") + getenv("HOMEPATH");
    for (int i = 0; i < strMutexName.size(); i++)
        if (!isalnum(strMutexName[i]))
            strMutexName[i] = '.';
    wxSingleInstanceChecker* psingleinstancechecker = new wxSingleInstanceChecker(strMutexName);
    if (psingleinstancechecker->IsAnotherRunning())
    {
        printf("Existing instance found\n");
        unsigned int nStart = GetTime();
        loop
        {
            // TODO: find out how to do this in Linux, or replace with wxWidgets commands
            // Show the previous instance and exit
            HWND hwndPrev = FindWindowA("wxWindowClassNR", "BitcoinTEST");
            if (hwndPrev)
            {
                if (IsIconic(hwndPrev))
                    ShowWindow(hwndPrev, SW_RESTORE);
                SetForegroundWindow(hwndPrev);
                return false;
            }

            if (GetTime() > nStart + 60)
                return false;

            // Resume this instance if the other exits
            delete psingleinstancechecker;
            Sleep(1000);
            psingleinstancechecker = new wxSingleInstanceChecker(strMutexName);
            if (!psingleinstancechecker->IsAnotherRunning())
                break;
        }
    }
示例#2
0
bool AppInit2(int argc, char* argv[])
{
#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
#ifndef __WXMSW__
    umask(077);
#endif
#ifndef __WXMSW__
    // 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);
    sigaction(SIGHUP, &sa, NULL);
#endif

    //
    // Parameters
    //
    ParseParameters(argc, argv);

    if (mapArgs.count("-datadir"))
    {
        filesystem::path pathDataDir = filesystem::system_complete(mapArgs["-datadir"]);
        strlcpy(pszSetDataDir, pathDataDir.string().c_str(), sizeof(pszSetDataDir));
    }

    ReadConfigFile(mapArgs, mapMultiArgs); // Must be done after processing datadir

    if (mapArgs.count("-?") || mapArgs.count("--help"))
    {
        string beta = VERSION_IS_BETA ? _(" beta") : "";
        string strUsage = string() +
          _("namecoin version") + " " + FormatFullVersion() + "\n\n" +
          _("Usage:") + "\t\t\t\t\t\t\t\t\t\t\n" +
            "  namecoin [options]                   \t  " + "\n" +
            "  namecoin [options] <command> [params]\t  " + _("Send command to -server or namecoind\n") +
            "  namecoin [options] help              \t\t  " + _("List commands\n") +
            "  namecoin [options] help <command>    \t\t  " + _("Get help for a command\n") +
          _("Options:\n") +
            "  -conf=<file>     \t\t  " + _("Specify configuration file (default: bitcoin.conf)\n") +
            "  -pid=<file>      \t\t  " + _("Specify pid file (default: bitcoind.pid)\n") +
            "  -gen             \t\t  " + _("Generate coins\n") +
            "  -gen=0           \t\t  " + _("Don't generate coins\n") +
            "  -min             \t\t  " + _("Start minimized\n") +
            "  -datadir=<dir>   \t\t  " + _("Specify data directory\n") +
            "  -proxy=<ip:port> \t  "   + _("Connect through socks4 proxy\n") +
            "  -addnode=<ip>    \t  "   + _("Add a node to connect to\n") +
            "  -connect=<ip>    \t\t  " + _("Connect only to the specified node\n") +
            "  -nolisten        \t  "   + _("Don't accept connections from outside\n") +
#ifdef USE_UPNP
#if USE_UPNP
            "  -noupnp          \t  "   + _("Don't attempt to use UPnP to map the listening port\n") +
#else
            "  -upnp            \t  "   + _("Attempt to use UPnP to map the listening port\n") +
#endif
#endif
            "  -paytxfee=<amt>  \t  "   + _("Fee per KB to add to transactions you send\n") +
#ifdef GUI
            "  -server          \t\t  " + _("Accept command line and JSON-RPC commands\n") +
#endif
#ifndef __WXMSW__
            "  -daemon          \t\t  " + _("Run in the background as a daemon and accept commands\n") +
#endif
            "  -testnet         \t\t  " + _("Use the test network\n") +
            "  -rpcuser=<user>  \t  "   + _("Username for JSON-RPC connections\n") +
            "  -rpcpassword=<pw>\t  "   + _("Password for JSON-RPC connections\n") +
            "  -rpcport=<port>  \t\t  " + _("Listen for JSON-RPC connections on <port> (default: 8332)\n") +
            "  -rpcallowip=<ip> \t\t  " + _("Allow JSON-RPC connections from specified IP address\n") +
            "  -rpcconnect=<ip> \t  "   + _("Send commands to node running on <ip> (default: 127.0.0.1)\n") +
            "  -keypool=<n>     \t  "   + _("Set key pool size to <n> (default: 100)\n") +
            "  -rescan          \t  "   + _("Rescan the block chain for missing wallet transactions\n");

#ifdef USE_SSL
        strUsage += string() +
            _("\nSSL options: (see the namecoin Wiki for SSL setup instructions)\n") +
            "  -rpcssl                                \t  " + _("Use OpenSSL (https) for JSON-RPC connections\n") +
            "  -rpcsslcertificatechainfile=<file.cert>\t  " + _("Server certificate file (default: server.cert)\n") +
            "  -rpcsslprivatekeyfile=<file.pem>       \t  " + _("Server private key (default: server.pem)\n") +
            "  -rpcsslciphers=<ciphers>               \t  " + _("Acceptable ciphers (default: TLSv1+HIGH:!SSLv2:!aNULL:!eNULL:!AH:!3DES:@STRENGTH)\n");
#endif

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

#if defined(__WXMSW__) && defined(GUI)
        // Tabs make the columns line up in the message box
        wxMessageBox(strUsage, "Bitcoin", wxOK);
#else
        // Remove tabs
        strUsage.erase(std::remove(strUsage.begin(), strUsage.end(), '\t'), strUsage.end());
        fprintf(stderr, "%s", strUsage.c_str());
#endif
        return false;
    }

    fDebug = GetBoolArg("-debug");

#ifndef __WXMSW__
    fDaemon = GetBoolArg("-daemon");
#else
    fDaemon = false;
#endif

    if (fDaemon)
        fServer = true;
    else
        fServer = GetBoolArg("-server");

    /* force fServer when running without GUI */
#ifndef GUI
    fServer = true;
#endif

    fPrintToConsole = GetBoolArg("-printtoconsole");
    fPrintToDebugger = GetBoolArg("-printtodebugger");

    fTestNet = GetBoolArg("-testnet");
    fNoListen = GetBoolArg("-nolisten");
    fLogTimestamps = GetBoolArg("-logtimestamps");

    for (int i = 1; i < argc; i++)
        if (!IsSwitchChar(argv[i][0]))
            fCommandLine = true;

    if (fCommandLine)
    {
        int ret = CommandLineRPC(argc, argv);
        exit(ret);
    }

#ifndef __WXMSW__
    if (fDaemon)
    {
        // Daemonize
        pid_t pid = fork();
        if (pid < 0)
        {
            fprintf(stderr, "Error: fork() returned %d errno %d\n", pid, errno);
            return false;
        }
        if (pid > 0)
        {
            CreatePidFile(GetPidFile(), pid);
            return true;
        }

        pid_t sid = setsid();
        if (sid < 0)
            fprintf(stderr, "Error: setsid() returned %d errno %d\n", sid, errno);
    }
#endif

    if (!fDebug && !pszSetDataDir[0])
        ShrinkDebugFile();
    printf("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n");
    printf("namecoin version %s\n", FormatFullVersion().c_str());
#ifdef GUI
    printf("OS version %s\n", ((string)wxGetOsDescription()).c_str());
    printf("System default language is %d %s\n", g_locale.GetSystemLanguage(), ((string)g_locale.GetSysName()).c_str());
    printf("Language file %s (%s)\n", (string("locale/") + (string)g_locale.GetCanonicalName() + "/LC_MESSAGES/bitcoin.mo").c_str(), ((string)g_locale.GetLocale()).c_str());
#endif
    printf("Default data directory %s\n", GetDefaultDataDir().c_str());

    if (GetBoolArg("-loadblockindextest"))
    {
        CTxDB txdb("r");
        txdb.LoadBlockIndex();
        PrintBlockTree();
        return false;
    }

    //
    // Limit to single instance per user
    // Required to protect the database files if we're going to keep deleting log.*
    //
#if defined(__WXMSW__) && defined(GUI)
    // wxSingleInstanceChecker doesn't work on Linux
    wxString strMutexName = wxString("bitcoin_running.") + getenv("HOMEPATH");
    for (int i = 0; i < strMutexName.size(); i++)
        if (!isalnum(strMutexName[i]))
            strMutexName[i] = '.';
    wxSingleInstanceChecker* psingleinstancechecker = new wxSingleInstanceChecker(strMutexName);
    if (psingleinstancechecker->IsAnotherRunning())
    {
        printf("Existing instance found\n");
        unsigned int nStart = GetTime();
        loop
        {
            // Show the previous instance and exit
            HWND hwndPrev = FindWindowA("wxWindowClassNR", "Bitcoin");
            if (hwndPrev)
            {
                if (IsIconic(hwndPrev))
                    ShowWindow(hwndPrev, SW_RESTORE);
                SetForegroundWindow(hwndPrev);
                return false;
            }

            if (GetTime() > nStart + 60)
                return false;

            // Resume this instance if the other exits
            delete psingleinstancechecker;
            Sleep(1000);
            psingleinstancechecker = new wxSingleInstanceChecker(strMutexName);
            if (!psingleinstancechecker->IsAnotherRunning())
                break;
        }
    }
示例#3
0
/** Initialize bitcoin.
 *  @pre Parameters should be parsed and config file should be read.
 */
bool AppInit2(boost::thread_group& threadGroup)
{
    // ********************************************************* 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);
#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);
#endif

    if (!CheckDiskSpace())
        return false;

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

    nNodeLifespan = GetArg("-addrlifespan", 7);

    nMinStakeInterval = GetArg("-minstakeinterval", 0);
    nMinerSleep = GetArg("-minersleep", 500);

    // Largest block you're willing to create.
    // Limit to betweeen 1K and MAX_BLOCK_SIZE-1K for sanity:
    nBlockMaxSize = GetArg("-blockmaxsize", MAX_BLOCK_SIZE_GEN/2);
    nBlockMaxSize = std::max((unsigned int)1000, std::min((unsigned int)(MAX_BLOCK_SIZE-1000), nBlockMaxSize));

    // How much of the block should be dedicated to high-priority transactions,
    // included regardless of the fees they pay
    nBlockPrioritySize = GetArg("-blockprioritysize", 27000);
    nBlockPrioritySize = std::min(nBlockMaxSize, nBlockPrioritySize);

    // Minimum block size you want to create; block will be filled with free transactions
    // until there are no more or the block reaches this size:
    nBlockMinSize = GetArg("-blockminsize", 0);
    nBlockMinSize = std::min(nBlockMaxSize, nBlockMinSize);

    // Fee-per-kilobyte amount considered the same as "free"
    // 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"))
        ParseMoney(mapArgs["-mintxfee"], nMinTxFee);

    if (fDebug)
        LogPrintf("nMinerSleep %u\n", nMinerSleep);

    CheckpointsMode = Checkpoints::STRICT;
    std::string strCpMode = GetArg("-cppolicy", "strict");

    if (strCpMode == "strict")
        CheckpointsMode = Checkpoints::STRICT;

    if (strCpMode == "advisory")
        CheckpointsMode = Checkpoints::ADVISORY;

    if (strCpMode == "permissive")
        CheckpointsMode = Checkpoints::PERMISSIVE;

    nDerivationMethodIndex = 0;

    fTestNet = GetBoolArg("-testnet");
    
    if (!SelectParamsFromCommandLine())
        return InitError("Invalid combination of -testnet and -regtest.");
    
    if (GetBoolArg("-thinmode"))
        nNodeMode = NT_THIN;
    
    if (fTestNet)
    {
        SoftSetBoolArg("-irc", true);
    }

    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"))
    {
        // Rewrite just private keys: rescan to find transactions
        SoftSetBoolArg("-rescan", true);
    }

    if (fTestNet)
    {
        nStakeMinAge = 1 * 60 * 60; // test net min age is 1 hour
        nCoinbaseMaturity = 10; // test maturity is 10 blocks
    };

    // ********************************************************* Step 3: parameter-to-internal-flags
    
    fDebug = !mapMultiArgs["-debug"].empty();
    // Special-case: if -debug=0/-nodebug is set, turn off debugging messages
    const std::vector<std::string>& categories = mapMultiArgs["-debug"];
    if (GetBoolArg("-nodebug", false) || std::find(categories.begin(), categories.end(), std::string("0")) != categories.end())
        fDebug = false;
    
    // -debug implies fDebug*, unless otherwise specified
    if (fDebug)
    {
        SoftSetBoolArg("-debugnet", true);
        SoftSetBoolArg("-debugsmsg", true);
        SoftSetBoolArg("-debugchain", true);
        SoftSetBoolArg("-debugringsig", true);
    };

    fDebugNet = GetBoolArg("-debugnet");
    fDebugSmsg = GetBoolArg("-debugsmsg");
    fDebugChain = GetBoolArg("-debugchain");
    fDebugRingSig = GetBoolArg("-debugringsig");
    fDebugPoS = GetBoolArg("-debugpos");

    fNoSmsg = GetBoolArg("-nosmsg");
    
    // Check for -socks - as this is a privacy risk to continue, exit here
    if (mapArgs.count("-socks"))
        return InitError(_("Error: Unsupported argument -socks found. Setting SOCKS version isn't possible anymore, only SOCKS5 proxies are supported."));

    bitdb.SetDetach(GetBoolArg("-detachdb", false));
    if (fDaemon)
        fServer = true;
    else
        fServer = GetBoolArg("-server", false);

    /* force fServer when running without GUI */
    if (!fHaveGUI)
        fServer = true;

    fPrintToConsole = GetBoolArg("-printtoconsole");
    fPrintToDebugLog = SoftSetBoolArg("-printtodebuglog", true);
    fLogTimestamps = GetBoolArg("-logtimestamps");

    if (mapArgs.count("-timeout"))
    {
        int nNewTimeout = GetArg("-timeout", 5000);
        if (nNewTimeout > 0 && nNewTimeout < 600000)
            nConnectTimeout = nNewTimeout;
    };

    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."));
    };

    fConfChange = GetBoolArg("-confchange", false);
    fEnforceCanonical = GetBoolArg("-enforcecanonical", true);

    if (mapArgs.count("-mininput"))
    {
        if (!ParseMoney(mapArgs["-mininput"], nMinimumInputValue))
            return InitError(strprintf(_("Invalid amount for -mininput=<amount>: '%s'"), mapArgs["-mininput"].c_str()));
    };


    // ********************************************************* Step 4: application initialization: dir lock, daemonize, pidfile, debug log
    // Sanity check
    if (!InitSanityCheck())
        return InitError(_("Initialization sanity check failed. PerfectCoin is shutting down."));

    
    std::string strDataDir = GetDataDir().string();
    std::string strWalletFileName = GetArg("-wallet", "wallet.dat");

    // strWalletFileName must be a plain filename without a directory
    if (strWalletFileName != fs::basename(strWalletFileName) + fs::extension(strWalletFileName))
        return InitError(strprintf(_("Wallet %s resides outside data directory %s."), strWalletFileName.c_str(), strDataDir.c_str()));

    // Make sure only a single Bitcoin process is using the data directory.
    fs::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.  PerfectCoin 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("PerfectCoin version %s (%s)\n", FormatFullVersion().c_str(), CLIENT_DATE.c_str());
    LogPrintf("Operating in %s mode.\n", GetNodeModeName(nNodeMode));
    LogPrintf("Using OpenSSL version %s\n", SSLeay_version(SSLEAY_VERSION));

    if (!fLogTimestamps)
        LogPrintf("Startup time: %s\n", DateTimeStrFormat("%x %H:%M:%S", GetTime()).c_str());

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

    std::ostringstream strErrors;

    if (fDaemon)
    {
        fprintf(stdout, "PerfectCoin server starting\n");
        fflush(stdout);
    };
    
    int64_t nStart;



    /* *********************************************************
        Step 4.5: adjust parameters for nNodeMode
    ********************************************************* */

    switch (nNodeMode)
    {
        case NT_FULL:
            if (GetBoolArg("-nothinssupport"))
            {
                LogPrintf("Thin support disabled.\n");
                nLocalServices &= ~(THIN_SUPPORT);
            };

            if (GetBoolArg("-nothinstealth"))
            {
                LogPrintf("Thin stealth support disabled.\n");
                nLocalServices &= ~(THIN_STEALTH);
            };
            break;
        case NT_THIN:
            SetBoolArg("-staking", false);

            // -- clear services
            nLocalServices &= ~(NODE_NETWORK);
            nLocalServices &= ~(THIN_SUPPORT);
            nLocalServices &= ~(THIN_STAKE);
            nLocalServices &= ~(THIN_STEALTH);

            nLocalRequirements |= (THIN_SUPPORT);

            if (GetBoolArg("-thinfullindex"))
            {
                LogPrintf("Thin full index enabled.\n");
                fThinFullIndex = true;
            } else
            {
                nThinIndexWindow = GetArg("-thinindexmax", 4096);

                if (nThinIndexWindow < 4096)
                {
                    LogPrintf("Thin index window minimum size is %d.\n", 4096);
                    nThinIndexWindow = 4096;
                };

                LogPrintf("Thin index window size %d.\n", nThinIndexWindow);
            };

            if (GetBoolArg("-nothinstealth"))
            {
                LogPrintf("Thin stealth disabled.\n");
            } else
            {
                nLocalRequirements |= (THIN_STEALTH);
            };

            break;
        default:
            break;
    };

    // -- thin and full
    if (fNoSmsg)
        nLocalServices &= ~(SMSG_RELAY);

    if (initialiseRingSigs() != 0)
        return InitError("initialiseRingSigs() failed.");

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

    uiInterface.InitMessage(_("Verifying database integrity..."));

    if (!bitdb.Open(GetDataDir()))
    {
        std::string msg = strprintf(_("Error initializing database environment %s!"
            " To recover, BACKUP THAT DIRECTORY, then remove"
            " everything from it except for wallet.dat."), strDataDir.c_str());
        return InitError(msg);
    };

    if (GetBoolArg("-salvagewallet"))
    {
        // Recover readable keypairs:
        if (!CWalletDB::Recover(bitdb, strWalletFileName, true))
            return false;
    };

    if (fs::exists(GetDataDir() / strWalletFileName))
    {
        CDBEnv::VerifyResult r = bitdb.Verify(strWalletFileName, CWalletDB::Recover);
        if (r == CDBEnv::RECOVER_OK)
        {
            std::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());
            uiInterface.ThreadSafeMessageBox(msg, _("PerfectCoin"), CClientUIInterface::BTN_OK | CClientUIInterface::ICON_WARNING | CClientUIInterface::MODAL);
        };

        if (r == CDBEnv::RECOVER_FAIL)
            return InitError(_("wallet.dat corrupt, salvage failed"));
    };

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

    nMaxThinPeers = GetArg("-maxthinpeers", 8);

    nBloomFilterElements = GetArg("-bloomfilterelements", 1536);

    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);
        };
    };