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- // Copyright (c) 2009-2010 Satoshi Nakamoto
- // Copyright (c) 2009-2012 The Bitcoin developers
- // Distributed under the MIT/X11 software license, see the accompanying
- // file COPYING or http://www.opensource.org/licenses/mit-license.php.
-
- #include "init.h"
- #include "main.h"
- #include "core.h"
- #include "txdb.h"
- #include "walletdb.h"
- #include "bitcoinrpc.h"
- #include "net.h"
- #include "util.h"
- #include "ui_interface.h"
- #include "checkpoints.h"
-
- #include <boost/filesystem.hpp>
- #include <boost/filesystem/fstream.hpp>
- #include <boost/filesystem/convenience.hpp>
- #include <boost/interprocess/sync/file_lock.hpp>
- #include <boost/algorithm/string/predicate.hpp>
- #include <openssl/crypto.h>
-
- #ifndef WIN32
- #include <signal.h>
- #endif
-
- using namespace std;
- using namespace boost;
-
- CWallet* pwalletMain;
- CClientUIInterface uiInterface;
-
- #ifdef WIN32
- // Win32 LevelDB doesn't use filedescriptors, and the ones used for
- // accessing block files, don't count towards to fd_set size limit
- // anyway.
- #define MIN_CORE_FILEDESCRIPTORS 0
- #else
- #define MIN_CORE_FILEDESCRIPTORS 150
- #endif
-
- // Used to pass flags to the Bind() function
- enum BindFlags {
- BF_NONE = 0,
- BF_EXPLICIT = (1U << 0),
- BF_REPORT_ERROR = (1U << 1)
- };
-
-
- //////////////////////////////////////////////////////////////////////////////
- //
- // Shutdown
- //
-
- //
- // Thread management and startup/shutdown:
- //
- // The network-processing threads are all part of a thread group
- // created by AppInit() or the Qt main() function.
- //
- // A clean exit happens when StartShutdown() or the SIGTERM
- // signal handler sets fRequestShutdown, which triggers
- // the DetectShutdownThread(), which interrupts the main thread group.
- // DetectShutdownThread() then exits, which causes AppInit() to
- // continue (it .joins the shutdown thread).
- // Shutdown() is then
- // called to clean up database connections, and stop other
- // threads that should only be stopped after the main network-processing
- // threads have exited.
- //
- // Note that if running -daemon the parent process returns from AppInit2
- // before adding any threads to the threadGroup, so .join_all() returns
- // immediately and the parent exits from main().
- //
- // Shutdown for Qt is very similar, only it uses a QTimer to detect
- // fRequestShutdown getting set, and then does the normal Qt
- // shutdown thing.
- //
-
- volatile bool fRequestShutdown = false;
-
- void StartShutdown()
- {
- fRequestShutdown = true;
- }
- bool ShutdownRequested()
- {
- return fRequestShutdown;
- }
-
- static CCoinsViewDB *pcoinsdbview;
-
- void Shutdown()
- {
- static CCriticalSection cs_Shutdown;
- TRY_LOCK(cs_Shutdown, lockShutdown);
- if (!lockShutdown) return;
-
- RenameThread("bitcoin-shutoff");
- nTransactionsUpdated++;
- StopRPCThreads();
- ShutdownRPCMining();
- bitdb.Flush(false);
- GenerateBitcoins(false, NULL);
- StopNode();
- {
- LOCK(cs_main);
- if (pwalletMain)
- pwalletMain->SetBestChain(CBlockLocator(pindexBest));
- if (pblocktree)
- pblocktree->Flush();
- if (pcoinsTip)
- pcoinsTip->Flush();
- delete pcoinsTip; pcoinsTip = NULL;
- delete pcoinsdbview; pcoinsdbview = NULL;
- delete pblocktree; pblocktree = NULL;
- }
- bitdb.Flush(true);
- boost::filesystem::remove(GetPidFile());
- UnregisterWallet(pwalletMain);
- delete pwalletMain;
- }
-
- //
- // Signal handlers are very limited in what they are allowed to do, so:
- //
- void HandleSIGTERM(int)
- {
- fRequestShutdown = true;
- }
-
- void HandleSIGHUP(int)
- {
- fReopenDebugLog = true;
- }
-
- bool static InitError(const std::string &str)
- {
- uiInterface.ThreadSafeMessageBox(str, "", CClientUIInterface::MSG_ERROR);
- return false;
- }
-
- bool static InitWarning(const std::string &str)
- {
- uiInterface.ThreadSafeMessageBox(str, "", CClientUIInterface::MSG_WARNING);
- return true;
- }
-
- bool static Bind(const CService &addr, unsigned int flags) {
- 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;
- }
-
- // Core-specific options shared between UI and daemon
- std::string HelpMessage()
- {
- string strUsage = _("Options:") + "\n";
- strUsage += " -? " + _("This help message") + "\n";
- strUsage += " -conf=<file> " + _("Specify configuration file (default: bitcoin.conf)") + "\n";
- strUsage += " -pid=<file> " + _("Specify pid file (default: bitcoind.pid)") + "\n";
- strUsage += " -gen " + _("Generate coins (default: 0)") + "\n";
- strUsage += " -datadir=<dir> " + _("Specify 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 += " -tor=<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";
- if (fHaveGUI)
- strUsage += " -server " + _("Accept command line and JSON-RPC commands") + "\n";
- #if !defined(WIN32)
- if (fHaveGUI)
- strUsage += " -daemon " + _("Run in the background as a daemon and accept commands") + "\n";
- #endif
- strUsage += " -testnet " + _("Use the test network") + "\n";
- strUsage += " -debug " + _("Output extra debugging information. Implies all other -debug* options") + "\n";
- strUsage += " -debugnet " + _("Output extra network debugging information") + "\n";
- strUsage += " -logtimestamps " + _("Prepend debug output with timestamp") + "\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";
- #ifdef WIN32
- strUsage += " -printtodebugger " + _("Send trace/debug info to debugger") + "\n";
- #endif
- strUsage += " -rpcuser=<user> " + _("Username for JSON-RPC connections") + "\n";
- strUsage += " -rpcpassword=<pw> " + _("Password for JSON-RPC connections") + "\n";
- strUsage += " -rpcport=<port> " + _("Listen for JSON-RPC connections on <port> (default: 8332 or testnet: 18332)") + "\n";
- strUsage += " -rpcallowip=<ip> " + _("Allow JSON-RPC connections from specified IP address") + "\n";
- if (!fHaveGUI)
- strUsage += " -rpcconnect=<ip> " + _("Send commands to node running on <ip> (default: 127.0.0.1)") + "\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 (%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";
- 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+HIGH:!SSLv2:!aNULL:!eNULL:!AH:!3DES:@STRENGTH)") + "\n";
-
- return strUsage;
- }
-
- struct CImportingNow
- {
- CImportingNow() {
- assert(fImporting == false);
- fImporting = true;
- }
-
- ~CImportingNow() {
- assert(fImporting == true);
- fImporting = false;
- }
- };
-
- void ThreadImport(std::vector<boost::filesystem::path> vImportFiles)
- {
- 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;
- printf("Reindexing block file blk%05u.dat...\n", (unsigned int)nFile);
- LoadExternalBlockFile(file, &pos);
- nFile++;
- }
- pblocktree->WriteReindexing(false);
- fReindex = false;
- printf("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";
- printf("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;
- printf("Importing %s...\n", path.string().c_str());
- LoadExternalBlockFile(file);
- }
- }
- }
-
- /** 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);
-
- // 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);
- #endif
-
- // ********************************************************* Step 2: parameter interactions
-
- fTestNet = GetBoolArg("-testnet", false);
- Checkpoints::fEnabled = GetBoolArg("-checkpoints", 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", 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 = GetBoolArg("-debug", false);
- fBenchmark = GetBoolArg("-benchmark", false);
-
- // -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;
-
- // -debug implies fDebug*
- if (fDebug)
- fDebugNet = true;
- else
- fDebugNet = GetBoolArg("-debugnet", false);
-
- if (fDaemon)
- fServer = true;
- else
- fServer = GetBoolArg("-server", false);
-
- /* force fServer when running without GUI */
- if (!fHaveGUI)
- fServer = true;
- fPrintToConsole = GetBoolArg("-printtoconsole", false);
- fPrintToDebugger = GetBoolArg("-printtodebugger", false);
- fLogTimestamps = GetBoolArg("-logtimestamps", false);
-
- 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 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 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."));
- }
-
- // ********************************************************* Step 4: application initialization: dir lock, daemonize, pidfile, debug log
-
- std::string strDataDir = GetDataDir().string();
-
- // 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();
- printf("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n");
- printf("Bitcoin version %s (%s)\n", FormatFullVersion().c_str(), CLIENT_DATE.c_str());
- printf("Using OpenSSL version %s\n", SSLeay_version(SSLEAY_VERSION));
- if (!fLogTimestamps)
- printf("Startup time: %s\n", DateTimeStrFormat("%Y-%m-%d %H:%M:%S", GetTime()).c_str());
- printf("Default data directory %s\n", GetDefaultDataDir().string().c_str());
- printf("Using data directory %s\n", strDataDir.c_str());
- printf("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) {
- printf("Using %u threads for script verification\n", nScriptCheckThreads);
- for (int i=0; i<nScriptCheckThreads-1; i++)
- threadGroup.create_thread(&ThreadScriptCheck);
- }
-
- int64 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.%"PRI64d".bak", GetTime());
- try {
- boost::filesystem::rename(pathDatabase, pathDatabaseBak);
- printf("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, "wallet.dat", true))
- return false;
- }
-
- if (filesystem::exists(GetDataDir() / "wallet.dat"))
- {
- CDBEnv::VerifyResult r = bitdb.Verify("wallet.dat", 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;
- }
-
- // -tor can override normal proxy, -notor disables tor entirely
- if (!(mapArgs.count("-tor") && mapArgs["-tor"] == "0") && (fProxy || mapArgs.count("-tor"))) {
- CService addrOnion;
- if (!mapArgs.count("-tor"))
- addrOnion = addrProxy;
- else
- addrOnion = CService(mapArgs["-tor"], 9050);
- if (!addrOnion.IsValid())
- return InitError(strprintf(_("Invalid -tor address: '%s'"), 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);
- printf("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.
- printf("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() && pindexGenesisBlock == NULL)
- return InitError(_("Incorrect or no genesis block found. Wrong datadir for network?"));
-
- // Check for changed -txindex state (only necessary if we are not reindexing anyway)
- if (!fReindex && fTxIndex != GetBoolArg("-txindex", false)) {
- strLoadError = _("You need to rebuild the database using -reindex to change -txindex");
- break;
- }
-
- // Initialize the block index (no-op if non-empty database was already loaded)
- if (!InitBlockIndex()) {
- strLoadError = _("Error initializing block database");
- break;
- }
-
- uiInterface.InitMessage(_("Verifying blocks..."));
- if (!VerifyDB()) {
- strLoadError = _("Corrupted block database detected");
- break;
- }
- } catch(std::exception &e) {
- 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 {
- 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)
- {
- printf("Shutdown requested. Exiting.\n");
- return false;
- }
- printf(" block index %15"PRI64d"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;
- block.ReadFromDisk(pindex);
- block.BuildMerkleTree();
- block.print();
- printf("\n");
- nFound++;
- }
- }
- if (nFound == 0)
- printf("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("wallet.dat");
- 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";
- printf("%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
- {
- printf("Performing wallet upgrade to %i\n", FEATURE_LATEST);
- nMaxVersion = CLIENT_VERSION;
- pwalletMain->SetMinVersion(FEATURE_LATEST); // permanently upgrade the wallet immediately
- }
- else
- printf("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, false)) {
- pwalletMain->SetDefaultKey(newDefaultKey);
- if (!pwalletMain->SetAddressBookName(pwalletMain->vchDefaultKey.GetID(), ""))
- strErrors << _("Cannot write default address") << "\n";
- }
-
- pwalletMain->SetBestChain(CBlockLocator(pindexBest));
- }
-
- printf("%s", strErrors.str().c_str());
- printf(" wallet %15"PRI64d"ms\n", GetTimeMillis() - nStart);
-
- RegisterWallet(pwalletMain);
-
- CBlockIndex *pindexRescan = pindexBest;
- if (GetBoolArg("-rescan", false))
- pindexRescan = pindexGenesisBlock;
- else
- {
- CWalletDB walletdb("wallet.dat");
- CBlockLocator locator;
- if (walletdb.ReadBestBlock(locator))
- pindexRescan = locator.GetBlockIndex();
- else
- pindexRescan = pindexGenesisBlock;
- }
- if (pindexBest && pindexBest != pindexRescan)
- {
- uiInterface.InitMessage(_("Rescanning..."));
- printf("Rescanning last %i blocks (from block %i)...\n", pindexBest->nHeight - pindexRescan->nHeight, pindexRescan->nHeight);
- nStart = GetTimeMillis();
- pwalletMain->ScanForWalletTransactions(pindexRescan, true);
- printf(" rescan %15"PRI64d"ms\n", GetTimeMillis() - nStart);
- pwalletMain->SetBestChain(CBlockLocator(pindexBest));
- 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);
- }
- threadGroup.create_thread(boost::bind(&ThreadImport, vImportFiles));
-
- // ********************************************************* Step 10: load peers
-
- uiInterface.InitMessage(_("Loading addresses..."));
-
- nStart = GetTimeMillis();
-
- {
- CAddrDB::SetMessageStart(pchMessageStart);
- CAddrDB adb;
- if (!adb.Read(addrman))
- printf("Invalid or missing peers.dat; recreating\n");
- }
-
- printf("Loaded %i addresses from peers.dat %"PRI64d"ms\n",
- addrman.size(), GetTimeMillis() - nStart);
-
- // ********************************************************* Step 11: start node
-
- if (!CheckDiskSpace())
- return false;
-
- if (!strErrors.str().empty())
- return InitError(strErrors.str());
-
- RandAddSeedPerfmon();
-
- //// debug print
- printf("mapBlockIndex.size() = %"PRIszu"\n", mapBlockIndex.size());
- printf("nBestHeight = %d\n", nBestHeight);
- printf("setKeyPool.size() = %"PRIszu"\n", pwalletMain->setKeyPool.size());
- printf("mapWallet.size() = %"PRIszu"\n", pwalletMain->mapWallet.size());
- printf("mapAddressBook.size() = %"PRIszu"\n", pwalletMain->mapAddressBook.size());
-
- StartNode(threadGroup);
-
- // InitRPCMining is needed here so getwork/getblocktemplate in the GUI debug console works properly.
- InitRPCMining();
- if (fServer)
- StartRPCThreads();
-
- // Generate coins in the background
- GenerateBitcoins(GetBoolArg("-gen", false), pwalletMain);
-
- // ********************************************************* Step 12: finished
-
- uiInterface.InitMessage(_("Done loading"));
-
- // Add wallet transactions that aren't already in a block to mapTransactions
- pwalletMain->ReacceptWalletTransactions();
-
- // Run a thread to flush wallet periodically
- threadGroup.create_thread(boost::bind(&ThreadFlushWalletDB, boost::ref(pwalletMain->strWalletFile)));
-
- return !fRequestShutdown;
- }
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