diff --git a/src/init.cpp b/src/init.cpp index c4e3573de3..de239df6b8 100644 --- a/src/init.cpp +++ b/src/init.cpp @@ -1,1464 +1,1464 @@ // Copyright (c) 2009-2010 Satoshi Nakamoto // Copyright (c) 2009-2014 The Bitcoin Core developers // Distributed under the MIT software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. #if defined(HAVE_CONFIG_H) #include "config/bitcoin-config.h" #endif #include "init.h" #include "addrman.h" #include "amount.h" #include "checkpoints.h" #include "compat/sanity.h" #include "consensus/validation.h" #include "key.h" #include "main.h" #include "miner.h" #include "net.h" #include "rpcserver.h" #include "script/standard.h" #include "scheduler.h" #include "txdb.h" #include "ui_interface.h" #include "util.h" #include "utilmoneystr.h" #include "validationinterface.h" #ifdef ENABLE_WALLET #include "wallet/wallet.h" #include "wallet/walletdb.h" #endif #include #include #ifndef WIN32 #include #endif #include #include #include #include #include #include #include #include using namespace std; #ifdef ENABLE_WALLET CWallet* pwalletMain = NULL; #endif bool fFeeEstimatesInitialized = false; #ifdef WIN32 // Win32 LevelDB doesn't use filedescriptors, and the ones used for // accessing block files don't count towards the 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), BF_WHITELIST = (1U << 2), }; static const char* FEE_ESTIMATES_FILENAME="fee_estimates.dat"; CClientUIInterface uiInterface; // Declared but not defined in ui_interface.h ////////////////////////////////////////////////////////////////////////////// // // 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; } class CCoinsViewErrorCatcher : public CCoinsViewBacked { public: CCoinsViewErrorCatcher(CCoinsView* view) : CCoinsViewBacked(view) {} bool GetCoins(const uint256 &txid, CCoins &coins) const { try { return CCoinsViewBacked::GetCoins(txid, coins); } catch(const std::runtime_error& e) { uiInterface.ThreadSafeMessageBox(_("Error reading from database, shutting down."), "", CClientUIInterface::MSG_ERROR); LogPrintf("Error reading from database: %s\n", e.what()); // Starting the shutdown sequence and returning false to the caller would be // interpreted as 'entry not found' (as opposed to unable to read data), and // could lead to invalid interpretation. Just exit immediately, as we can't // continue anyway, and all writes should be atomic. abort(); } } // Writes do not need similar protection, as failure to write is handled by the caller. }; static CCoinsViewDB *pcoinsdbview = NULL; static CCoinsViewErrorCatcher *pcoinscatcher = NULL; void Shutdown() { LogPrintf("%s: In progress...\n", __func__); static CCriticalSection cs_Shutdown; TRY_LOCK(cs_Shutdown, lockShutdown); if (!lockShutdown) return; /// Note: Shutdown() must be able to handle cases in which AppInit2() failed part of the way, /// for example if the data directory was found to be locked. /// Be sure that anything that writes files or flushes caches only does this if the respective /// module was initialized. RenameThread("bitcoin-shutoff"); mempool.AddTransactionsUpdated(1); StopRPCThreads(); #ifdef ENABLE_WALLET if (pwalletMain) pwalletMain->Flush(false); GenerateBitcoins(false, NULL, 0); #endif StopNode(); UnregisterNodeSignals(GetNodeSignals()); if (fFeeEstimatesInitialized) { boost::filesystem::path est_path = GetDataDir() / FEE_ESTIMATES_FILENAME; CAutoFile est_fileout(fopen(est_path.string().c_str(), "wb"), SER_DISK, CLIENT_VERSION); if (!est_fileout.IsNull()) mempool.WriteFeeEstimates(est_fileout); else LogPrintf("%s: Failed to write fee estimates to %s\n", __func__, est_path.string()); fFeeEstimatesInitialized = false; } { LOCK(cs_main); if (pcoinsTip != NULL) { FlushStateToDisk(); } delete pcoinsTip; pcoinsTip = NULL; delete pcoinscatcher; pcoinscatcher = NULL; delete pcoinsdbview; pcoinsdbview = NULL; delete pblocktree; pblocktree = NULL; } #ifdef ENABLE_WALLET if (pwalletMain) pwalletMain->Flush(true); #endif #ifndef WIN32 try { boost::filesystem::remove(GetPidFile()); } catch (const boost::filesystem::filesystem_error& e) { LogPrintf("%s: Unable to remove pidfile: %s\n", __func__, e.what()); } #endif UnregisterAllValidationInterfaces(); #ifdef ENABLE_WALLET delete pwalletMain; pwalletMain = NULL; #endif ECC_Stop(); LogPrintf("%s: done\n", __func__); } /** * 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, (flags & BF_WHITELIST) != 0)) { if (flags & BF_REPORT_ERROR) return InitError(strError); return false; } return true; } void OnRPCStopped() { cvBlockChange.notify_all(); LogPrint("rpc", "RPC stopped.\n"); } void OnRPCPreCommand(const CRPCCommand& cmd) { // Observe safe mode string strWarning = GetWarnings("rpc"); if (strWarning != "" && !GetBoolArg("-disablesafemode", false) && !cmd.okSafeMode) throw JSONRPCError(RPC_FORBIDDEN_BY_SAFE_MODE, string("Safe mode: ") + strWarning); } std::string HelpMessage(HelpMessageMode mode) { const bool showDebug = GetBoolArg("-help-debug", false); // When adding new options to the categories, please keep and ensure alphabetical ordering. // Do not translate _(...) -help-debug options, Many technical terms, and only a very small audience, so is unnecessary stress to translators. string strUsage = HelpMessageGroup(_("Options:")); strUsage += HelpMessageOpt("-?", _("This help message")); strUsage += HelpMessageOpt("-alerts", strprintf(_("Receive and display P2P network alerts (default: %u)"), DEFAULT_ALERTS)); strUsage += HelpMessageOpt("-alertnotify=", _("Execute command when a relevant alert is received or we see a really long fork (%s in cmd is replaced by message)")); strUsage += HelpMessageOpt("-blocknotify=", _("Execute command when the best block changes (%s in cmd is replaced by block hash)")); strUsage += HelpMessageOpt("-checkblocks=", strprintf(_("How many blocks to check at startup (default: %u, 0 = all)"), 288)); strUsage += HelpMessageOpt("-checklevel=", strprintf(_("How thorough the block verification of -checkblocks is (0-4, default: %u)"), 3)); strUsage += HelpMessageOpt("-conf=", strprintf(_("Specify configuration file (default: %s)"), "bitcoin.conf")); if (mode == HMM_BITCOIND) { #if !defined(WIN32) strUsage += HelpMessageOpt("-daemon", _("Run in the background as a daemon and accept commands")); #endif } strUsage += HelpMessageOpt("-datadir=", _("Specify data directory")); strUsage += HelpMessageOpt("-dbcache=", strprintf(_("Set database cache size in megabytes (%d to %d, default: %d)"), nMinDbCache, nMaxDbCache, nDefaultDbCache)); strUsage += HelpMessageOpt("-loadblock=", _("Imports blocks from external blk000??.dat file") + " " + _("on startup")); strUsage += HelpMessageOpt("-maxorphantx=", strprintf(_("Keep at most unconnectable transactions in memory (default: %u)"), DEFAULT_MAX_ORPHAN_TRANSACTIONS)); strUsage += HelpMessageOpt("-par=", strprintf(_("Set the number of script verification threads (%u to %d, 0 = auto, <0 = leave that many cores free, default: %d)"), - -(int)boost::thread::hardware_concurrency(), MAX_SCRIPTCHECK_THREADS, DEFAULT_SCRIPTCHECK_THREADS)); + -GetNumCores(), MAX_SCRIPTCHECK_THREADS, DEFAULT_SCRIPTCHECK_THREADS)); #ifndef WIN32 strUsage += HelpMessageOpt("-pid=", strprintf(_("Specify pid file (default: %s)"), "bitcoind.pid")); #endif strUsage += HelpMessageOpt("-prune=", strprintf(_("Reduce storage requirements by pruning (deleting) old blocks. This mode disables wallet support and is incompatible with -txindex. " "Warning: Reverting this setting requires re-downloading the entire blockchain. " "(default: 0 = disable pruning blocks, >%u = target size in MiB to use for block files)"), MIN_DISK_SPACE_FOR_BLOCK_FILES / 1024 / 1024)); strUsage += HelpMessageOpt("-reindex", _("Rebuild block chain index from current blk000??.dat files on startup")); #if !defined(WIN32) strUsage += HelpMessageOpt("-sysperms", _("Create new files with system default permissions, instead of umask 077 (only effective with disabled wallet functionality)")); #endif strUsage += HelpMessageOpt("-txindex", strprintf(_("Maintain a full transaction index, used by the getrawtransaction rpc call (default: %u)"), 0)); strUsage += HelpMessageGroup(_("Connection options:")); strUsage += HelpMessageOpt("-addnode=", _("Add a node to connect to and attempt to keep the connection open")); strUsage += HelpMessageOpt("-banscore=", strprintf(_("Threshold for disconnecting misbehaving peers (default: %u)"), 100)); strUsage += HelpMessageOpt("-bantime=", strprintf(_("Number of seconds to keep misbehaving peers from reconnecting (default: %u)"), 86400)); strUsage += HelpMessageOpt("-bind=", _("Bind to given address and always listen on it. Use [host]:port notation for IPv6")); strUsage += HelpMessageOpt("-connect=", _("Connect only to the specified node(s)")); strUsage += HelpMessageOpt("-discover", _("Discover own IP addresses (default: 1 when listening and no -externalip or -proxy)")); strUsage += HelpMessageOpt("-dns", _("Allow DNS lookups for -addnode, -seednode and -connect") + " " + _("(default: 1)")); strUsage += HelpMessageOpt("-dnsseed", _("Query for peer addresses via DNS lookup, if low on addresses (default: 1 unless -connect)")); strUsage += HelpMessageOpt("-externalip=", _("Specify your own public address")); strUsage += HelpMessageOpt("-forcednsseed", strprintf(_("Always query for peer addresses via DNS lookup (default: %u)"), 0)); strUsage += HelpMessageOpt("-listen", _("Accept connections from outside (default: 1 if no -proxy or -connect)")); strUsage += HelpMessageOpt("-maxconnections=", strprintf(_("Maintain at most connections to peers (default: %u)"), 125)); strUsage += HelpMessageOpt("-maxreceivebuffer=", strprintf(_("Maximum per-connection receive buffer, *1000 bytes (default: %u)"), 5000)); strUsage += HelpMessageOpt("-maxsendbuffer=", strprintf(_("Maximum per-connection send buffer, *1000 bytes (default: %u)"), 1000)); strUsage += HelpMessageOpt("-onion=", strprintf(_("Use separate SOCKS5 proxy to reach peers via Tor hidden services (default: %s)"), "-proxy")); strUsage += HelpMessageOpt("-onlynet=", _("Only connect to nodes in network (ipv4, ipv6 or onion)")); strUsage += HelpMessageOpt("-permitbaremultisig", strprintf(_("Relay non-P2SH multisig (default: %u)"), 1)); strUsage += HelpMessageOpt("-port=", strprintf(_("Listen for connections on (default: %u or testnet: %u)"), 8333, 18333)); strUsage += HelpMessageOpt("-proxy=", _("Connect through SOCKS5 proxy")); strUsage += HelpMessageOpt("-proxyrandomize", strprintf(_("Randomize credentials for every proxy connection. This enables Tor stream isolation (default: %u)"), 1)); strUsage += HelpMessageOpt("-seednode=", _("Connect to a node to retrieve peer addresses, and disconnect")); strUsage += HelpMessageOpt("-timeout=", strprintf(_("Specify connection timeout in milliseconds (minimum: 1, default: %d)"), DEFAULT_CONNECT_TIMEOUT)); #ifdef USE_UPNP #if USE_UPNP strUsage += HelpMessageOpt("-upnp", _("Use UPnP to map the listening port (default: 1 when listening and no -proxy)")); #else strUsage += HelpMessageOpt("-upnp", strprintf(_("Use UPnP to map the listening port (default: %u)"), 0)); #endif #endif strUsage += HelpMessageOpt("-whitebind=", _("Bind to given address and whitelist peers connecting to it. Use [host]:port notation for IPv6")); strUsage += HelpMessageOpt("-whitelist=", _("Whitelist peers connecting from the given netmask or IP address. Can be specified multiple times.") + " " + _("Whitelisted peers cannot be DoS banned and their transactions are always relayed, even if they are already in the mempool, useful e.g. for a gateway")); #ifdef ENABLE_WALLET strUsage += HelpMessageGroup(_("Wallet options:")); strUsage += HelpMessageOpt("-disablewallet", _("Do not load the wallet and disable wallet RPC calls")); strUsage += HelpMessageOpt("-keypool=", strprintf(_("Set key pool size to (default: %u)"), 100)); if (showDebug) strUsage += HelpMessageOpt("-mintxfee=", strprintf("Fees (in BTC/Kb) smaller than this are considered zero fee for transaction creation (default: %s)", FormatMoney(CWallet::minTxFee.GetFeePerK()))); strUsage += HelpMessageOpt("-paytxfee=", strprintf(_("Fee (in BTC/kB) to add to transactions you send (default: %s)"), FormatMoney(payTxFee.GetFeePerK()))); strUsage += HelpMessageOpt("-rescan", _("Rescan the block chain for missing wallet transactions") + " " + _("on startup")); strUsage += HelpMessageOpt("-salvagewallet", _("Attempt to recover private keys from a corrupt wallet.dat") + " " + _("on startup")); strUsage += HelpMessageOpt("-sendfreetransactions", strprintf(_("Send transactions as zero-fee transactions if possible (default: %u)"), 0)); strUsage += HelpMessageOpt("-spendzeroconfchange", strprintf(_("Spend unconfirmed change when sending transactions (default: %u)"), 1)); strUsage += HelpMessageOpt("-txconfirmtarget=", strprintf(_("If paytxfee is not set, include enough fee so transactions begin confirmation on average within n blocks (default: %u)"), DEFAULT_TX_CONFIRM_TARGET)); strUsage += HelpMessageOpt("-maxtxfee=", strprintf(_("Maximum total fees to use in a single wallet transaction; setting this too low may abort large transactions (default: %s)"), FormatMoney(maxTxFee))); strUsage += HelpMessageOpt("-upgradewallet", _("Upgrade wallet to latest format") + " " + _("on startup")); strUsage += HelpMessageOpt("-wallet=", _("Specify wallet file (within data directory)") + " " + strprintf(_("(default: %s)"), "wallet.dat")); strUsage += HelpMessageOpt("-walletbroadcast", _("Make the wallet broadcast transactions") + " " + strprintf(_("(default: %u)"), true)); strUsage += HelpMessageOpt("-walletnotify=", _("Execute command when a wallet transaction changes (%s in cmd is replaced by TxID)")); strUsage += HelpMessageOpt("-zapwallettxes=", _("Delete all wallet transactions and only recover those parts of the blockchain through -rescan on startup") + " " + _("(1 = keep tx meta data e.g. account owner and payment request information, 2 = drop tx meta data)")); #endif strUsage += HelpMessageGroup(_("Debugging/Testing options:")); if (showDebug) { strUsage += HelpMessageOpt("-checkpoints", strprintf("Disable expensive verification for known chain history (default: %u)", 1)); strUsage += HelpMessageOpt("-dblogsize=", strprintf("Flush database activity from memory pool to disk log every megabytes (default: %u)", 100)); strUsage += HelpMessageOpt("-disablesafemode", strprintf("Disable safemode, override a real safe mode event (default: %u)", 0)); strUsage += HelpMessageOpt("-testsafemode", strprintf("Force safe mode (default: %u)", 0)); strUsage += HelpMessageOpt("-dropmessagestest=", "Randomly drop 1 of every network messages"); strUsage += HelpMessageOpt("-fuzzmessagestest=", "Randomly fuzz 1 of every network messages"); strUsage += HelpMessageOpt("-flushwallet", strprintf("Run a thread to flush wallet periodically (default: %u)", 1)); strUsage += HelpMessageOpt("-stopafterblockimport", strprintf("Stop running after importing blocks from disk (default: %u)", 0)); } string debugCategories = "addrman, alert, bench, coindb, db, lock, rand, rpc, selectcoins, mempool, net, proxy, prune"; // Don't translate these and qt below if (mode == HMM_BITCOIN_QT) debugCategories += ", qt"; strUsage += HelpMessageOpt("-debug=", strprintf(_("Output debugging information (default: %u, supplying is optional)"), 0) + ". " + _("If is not supplied or if = 1, output all debugging information.") + _(" can be:") + " " + debugCategories + "."); #ifdef ENABLE_WALLET strUsage += HelpMessageOpt("-gen", strprintf(_("Generate coins (default: %u)"), 0)); strUsage += HelpMessageOpt("-genproclimit=", strprintf(_("Set the number of threads for coin generation if enabled (-1 = all cores, default: %d)"), 1)); #endif strUsage += HelpMessageOpt("-help-debug", _("Show all debugging options (usage: --help -help-debug)")); strUsage += HelpMessageOpt("-logips", strprintf(_("Include IP addresses in debug output (default: %u)"), 0)); strUsage += HelpMessageOpt("-logtimestamps", strprintf(_("Prepend debug output with timestamp (default: %u)"), 1)); if (showDebug) { strUsage += HelpMessageOpt("-limitfreerelay=", strprintf("Continuously rate-limit free transactions to *1000 bytes per minute (default: %u)", 15)); strUsage += HelpMessageOpt("-relaypriority", strprintf("Require high priority for relaying free or low-fee transactions (default: %u)", 1)); strUsage += HelpMessageOpt("-maxsigcachesize=", strprintf("Limit size of signature cache to entries (default: %u)", 50000)); } strUsage += HelpMessageOpt("-minrelaytxfee=", strprintf(_("Fees (in BTC/Kb) smaller than this are considered zero fee for relaying (default: %s)"), FormatMoney(::minRelayTxFee.GetFeePerK()))); strUsage += HelpMessageOpt("-printtoconsole", _("Send trace/debug info to console instead of debug.log file")); if (showDebug) { strUsage += HelpMessageOpt("-printpriority", strprintf("Log transaction priority and fee per kB when mining blocks (default: %u)", 0)); strUsage += HelpMessageOpt("-privdb", strprintf("Sets the DB_PRIVATE flag in the wallet db environment (default: %u)", 1)); strUsage += HelpMessageOpt("-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."); } strUsage += HelpMessageOpt("-shrinkdebugfile", _("Shrink debug.log file on client startup (default: 1 when no -debug)")); strUsage += HelpMessageOpt("-testnet", _("Use the test network")); strUsage += HelpMessageGroup(_("Node relay options:")); strUsage += HelpMessageOpt("-datacarrier", strprintf(_("Relay and mine data carrier transactions (default: %u)"), 1)); strUsage += HelpMessageOpt("-datacarriersize", strprintf(_("Maximum size of data in data carrier transactions we relay and mine (default: %u)"), MAX_OP_RETURN_RELAY)); strUsage += HelpMessageGroup(_("Block creation options:")); strUsage += HelpMessageOpt("-blockminsize=", strprintf(_("Set minimum block size in bytes (default: %u)"), 0)); strUsage += HelpMessageOpt("-blockmaxsize=", strprintf(_("Set maximum block size in bytes (default: %d)"), DEFAULT_BLOCK_MAX_SIZE)); strUsage += HelpMessageOpt("-blockprioritysize=", strprintf(_("Set maximum size of high-priority/low-fee transactions in bytes (default: %d)"), DEFAULT_BLOCK_PRIORITY_SIZE)); if (showDebug) strUsage += HelpMessageOpt("-blockversion=", strprintf("Override block version to test forking scenarios (default: %d)", (int)CBlock::CURRENT_VERSION)); strUsage += HelpMessageGroup(_("RPC server options:")); strUsage += HelpMessageOpt("-server", _("Accept command line and JSON-RPC commands")); strUsage += HelpMessageOpt("-rest", strprintf(_("Accept public REST requests (default: %u)"), 0)); strUsage += HelpMessageOpt("-rpcbind=", _("Bind to given address to listen for JSON-RPC connections. Use [host]:port notation for IPv6. This option can be specified multiple times (default: bind to all interfaces)")); strUsage += HelpMessageOpt("-rpcuser=", _("Username for JSON-RPC connections")); strUsage += HelpMessageOpt("-rpcpassword=", _("Password for JSON-RPC connections")); strUsage += HelpMessageOpt("-rpcport=", strprintf(_("Listen for JSON-RPC connections on (default: %u or testnet: %u)"), 8332, 18332)); strUsage += HelpMessageOpt("-rpcallowip=", _("Allow JSON-RPC connections from specified source. Valid for are a single IP (e.g. 1.2.3.4), a network/netmask (e.g. 1.2.3.4/255.255.255.0) or a network/CIDR (e.g. 1.2.3.4/24). This option can be specified multiple times")); strUsage += HelpMessageOpt("-rpcthreads=", strprintf(_("Set the number of threads to service RPC calls (default: %d)"), 4)); strUsage += HelpMessageOpt("-rpckeepalive", strprintf(_("RPC support for HTTP persistent connections (default: %d)"), 1)); strUsage += HelpMessageGroup(_("RPC SSL options: (see the Bitcoin Wiki for SSL setup instructions)")); strUsage += HelpMessageOpt("-rpcssl", _("Use OpenSSL (https) for JSON-RPC connections")); strUsage += HelpMessageOpt("-rpcsslcertificatechainfile=", strprintf(_("Server certificate file (default: %s)"), "server.cert")); strUsage += HelpMessageOpt("-rpcsslprivatekeyfile=", strprintf(_("Server private key (default: %s)"), "server.pem")); strUsage += HelpMessageOpt("-rpcsslciphers=", strprintf(_("Acceptable ciphers (default: %s)"), "TLSv1.2+HIGH:TLSv1+HIGH:!SSLv2:!aNULL:!eNULL:!3DES:@STRENGTH")); if (mode == HMM_BITCOIN_QT) { strUsage += HelpMessageGroup(_("UI Options:")); if (showDebug) { strUsage += HelpMessageOpt("-allowselfsignedrootcertificates", "Allow self signed root certificates (default: 0)"); } strUsage += HelpMessageOpt("-choosedatadir", _("Choose data directory on startup (default: 0)")); strUsage += HelpMessageOpt("-lang=", _("Set language, for example \"de_DE\" (default: system locale)")); strUsage += HelpMessageOpt("-min", _("Start minimized")); strUsage += HelpMessageOpt("-rootcertificates=", _("Set SSL root certificates for payment request (default: -system-)")); strUsage += HelpMessageOpt("-splash", _("Show splash screen on startup (default: 1)")); } return strUsage; } std::string LicenseInfo() { return FormatParagraph(strprintf(_("Copyright (C) 2009-%i The Bitcoin Core Developers"), COPYRIGHT_YEAR)) + "\n" + "\n" + FormatParagraph(_("This is experimental software.")) + "\n" + "\n" + FormatParagraph(_("Distributed under the MIT software license, see the accompanying file COPYING or .")) + "\n" + "\n" + FormatParagraph(_("This product includes software developed by the OpenSSL Project for use in the OpenSSL Toolkit and cryptographic software written by Eric Young and UPnP software written by Thomas Bernard.")) + "\n"; } static void BlockNotifyCallback(const uint256& hashNewTip) { std::string strCmd = GetArg("-blocknotify", ""); boost::replace_all(strCmd, "%s", hashNewTip.GetHex()); boost::thread t(runCommand, strCmd); // thread runs free } struct CImportingNow { CImportingNow() { assert(fImporting == false); fImporting = true; } ~CImportingNow() { assert(fImporting == true); fImporting = false; } }; // If we're using -prune with -reindex, then delete block files that will be ignored by the // reindex. Since reindexing works by starting at block file 0 and looping until a blockfile // is missing, do the same here to delete any later block files after a gap. Also delete all // rev files since they'll be rewritten by the reindex anyway. This ensures that vinfoBlockFile // is in sync with what's actually on disk by the time we start downloading, so that pruning // works correctly. void CleanupBlockRevFiles() { using namespace boost::filesystem; map mapBlockFiles; // Glob all blk?????.dat and rev?????.dat files from the blocks directory. // Remove the rev files immediately and insert the blk file paths into an // ordered map keyed by block file index. LogPrintf("Removing unusable blk?????.dat and rev?????.dat files for -reindex with -prune\n"); path blocksdir = GetDataDir() / "blocks"; for (directory_iterator it(blocksdir); it != directory_iterator(); it++) { if (is_regular_file(*it) && it->path().filename().string().length() == 12 && it->path().filename().string().substr(8,4) == ".dat") { if (it->path().filename().string().substr(0,3) == "blk") mapBlockFiles[it->path().filename().string().substr(3,5)] = it->path(); else if (it->path().filename().string().substr(0,3) == "rev") remove(it->path()); } } // Remove all block files that aren't part of a contiguous set starting at // zero by walking the ordered map (keys are block file indices) by // keeping a separate counter. Once we hit a gap (or if 0 doesn't exist) // start removing block files. int nContigCounter = 0; BOOST_FOREACH(const PAIRTYPE(string, path)& item, mapBlockFiles) { if (atoi(item.first) == nContigCounter) { nContigCounter++; continue; } remove(item.second); } } void ThreadImport(std::vector vImportFiles) { RenameThread("bitcoin-loadblk"); // -reindex if (fReindex) { CImportingNow imp; int nFile = 0; while (true) { CDiskBlockPos pos(nFile, 0); if (!boost::filesystem::exists(GetBlockPosFilename(pos, "blk"))) break; // No block files left to reindex FILE *file = OpenBlockFile(pos, true); if (!file) break; // This error is logged in OpenBlockFile 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 boost::filesystem::path pathBootstrap = GetDataDir() / "bootstrap.dat"; if (boost::filesystem::exists(pathBootstrap)) { FILE *file = fopen(pathBootstrap.string().c_str(), "rb"); if (file) { CImportingNow imp; boost::filesystem::path pathBootstrapOld = GetDataDir() / "bootstrap.dat.old"; LogPrintf("Importing bootstrap.dat...\n"); LoadExternalBlockFile(file); RenameOver(pathBootstrap, pathBootstrapOld); } else { LogPrintf("Warning: Could not open bootstrap file %s\n", pathBootstrap.string()); } } // -loadblock= BOOST_FOREACH(const boost::filesystem::path& path, vImportFiles) { FILE *file = fopen(path.string().c_str(), "rb"); if (file) { CImportingNow imp; LogPrintf("Importing blocks file %s...\n", path.string()); LoadExternalBlockFile(file); } else { LogPrintf("Warning: Could not open blocks file %s\n", path.string()); } } if (GetBoolArg("-stopafterblockimport", false)) { LogPrintf("Stopping after block import\n"); StartShutdown(); } } /** Sanity checks * Ensure that Bitcoin is running in a usable environment with all * necessary library support. */ bool InitSanityCheck(void) { if(!ECC_InitSanityCheck()) { InitError("OpenSSL appears to lack support for elliptic curve cryptography. For more " "information, visit https://en.bitcoin.it/wiki/OpenSSL_and_EC_Libraries"); return false; } if (!glibc_sanity_test() || !glibcxx_sanity_test()) return false; return true; } /** Initialize bitcoin. * @pre Parameters should be parsed and config file should be read. */ bool AppInit2(boost::thread_group& threadGroup, CScheduler& scheduler) { // ********************************************************* 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 if (GetBoolArg("-sysperms", false)) { #ifdef ENABLE_WALLET if (!GetBoolArg("-disablewallet", false)) return InitError("Error: -sysperms is not allowed in combination with enabled wallet functionality"); #endif } else { 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 const CChainParams& chainparams = Params(); // Set this early so that parameter interactions go to console fPrintToConsole = GetBoolArg("-printtoconsole", false); fLogTimestamps = GetBoolArg("-logtimestamps", true); fLogIPs = GetBoolArg("-logips", false); // when specifying an explicit binding address, you want to listen on it // even when -connect or -proxy is specified if (mapArgs.count("-bind")) { if (SoftSetBoolArg("-listen", true)) LogPrintf("%s: parameter interaction: -bind set -> setting -listen=1\n", __func__); } if (mapArgs.count("-whitebind")) { if (SoftSetBoolArg("-listen", true)) LogPrintf("%s: parameter interaction: -whitebind set -> setting -listen=1\n", __func__); } if (mapArgs.count("-connect") && mapMultiArgs["-connect"].size() > 0) { // when only connecting to trusted nodes, do not seed via DNS, or listen by default if (SoftSetBoolArg("-dnsseed", false)) LogPrintf("%s: parameter interaction: -connect set -> setting -dnsseed=0\n", __func__); if (SoftSetBoolArg("-listen", false)) LogPrintf("%s: parameter interaction: -connect set -> setting -listen=0\n", __func__); } if (mapArgs.count("-proxy")) { // to protect privacy, do not listen by default if a default proxy server is specified if (SoftSetBoolArg("-listen", false)) LogPrintf("%s: parameter interaction: -proxy set -> setting -listen=0\n", __func__); // to protect privacy, do not use UPNP when a proxy is set. The user may still specify -listen=1 // to listen locally, so don't rely on this happening through -listen below. if (SoftSetBoolArg("-upnp", false)) LogPrintf("%s: parameter interaction: -proxy set -> setting -upnp=0\n", __func__); // to protect privacy, do not discover addresses by default if (SoftSetBoolArg("-discover", false)) LogPrintf("%s: parameter interaction: -proxy set -> setting -discover=0\n", __func__); } if (!GetBoolArg("-listen", DEFAULT_LISTEN)) { // do not map ports or try to retrieve public IP when not listening (pointless) if (SoftSetBoolArg("-upnp", false)) LogPrintf("%s: parameter interaction: -listen=0 -> setting -upnp=0\n", __func__); if (SoftSetBoolArg("-discover", false)) LogPrintf("%s: parameter interaction: -listen=0 -> setting -discover=0\n", __func__); } if (mapArgs.count("-externalip")) { // if an explicit public IP is specified, do not try to find others if (SoftSetBoolArg("-discover", false)) LogPrintf("%s: parameter interaction: -externalip set -> setting -discover=0\n", __func__); } if (GetBoolArg("-salvagewallet", false)) { // Rewrite just private keys: rescan to find transactions if (SoftSetBoolArg("-rescan", true)) LogPrintf("%s: parameter interaction: -salvagewallet=1 -> setting -rescan=1\n", __func__); } // -zapwallettx implies a rescan if (GetBoolArg("-zapwallettxes", false)) { if (SoftSetBoolArg("-rescan", true)) LogPrintf("%s: parameter interaction: -zapwallettxes= -> setting -rescan=1\n", __func__); } // Make sure enough file descriptors are available int nBind = std::max((int)mapArgs.count("-bind") + (int)mapArgs.count("-whitebind"), 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; // if using block pruning, then disable txindex if (GetArg("-prune", 0)) { if (GetBoolArg("-txindex", false)) return InitError(_("Prune mode is incompatible with -txindex.")); #ifdef ENABLE_WALLET if (GetBoolArg("-rescan", false)) { return InitError(_("Rescans are not possible in pruned mode. You will need to use -reindex which will download the whole blockchain again.")); } #endif } // ********************************************************* Step 3: parameter-to-internal-flags fDebug = !mapMultiArgs["-debug"].empty(); // Special-case: if -debug=0/-nodebug is set, turn off debugging messages const vector& categories = mapMultiArgs["-debug"]; if (GetBoolArg("-nodebug", false) || find(categories.begin(), categories.end(), string("0")) != categories.end()) fDebug = false; // Check for -debugnet if (GetBoolArg("-debugnet", false)) InitWarning(_("Warning: Unsupported argument -debugnet ignored, use -debug=net.")); // 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.")); // Check for -tor - as this is a privacy risk to continue, exit here if (GetBoolArg("-tor", false)) return InitError(_("Error: Unsupported argument -tor found, use -onion.")); if (GetBoolArg("-benchmark", false)) InitWarning(_("Warning: Unsupported argument -benchmark ignored, use -debug=bench.")); // Checkmempool and checkblockindex default to true in regtest mode mempool.setSanityCheck(GetBoolArg("-checkmempool", chainparams.DefaultConsistencyChecks())); fCheckBlockIndex = GetBoolArg("-checkblockindex", chainparams.DefaultConsistencyChecks()); fCheckpointsEnabled = GetBoolArg("-checkpoints", true); // -par=0 means autodetect, but nScriptCheckThreads==0 means no concurrency nScriptCheckThreads = GetArg("-par", DEFAULT_SCRIPTCHECK_THREADS); if (nScriptCheckThreads <= 0) - nScriptCheckThreads += boost::thread::hardware_concurrency(); + nScriptCheckThreads += GetNumCores(); if (nScriptCheckThreads <= 1) nScriptCheckThreads = 0; else if (nScriptCheckThreads > MAX_SCRIPTCHECK_THREADS) nScriptCheckThreads = MAX_SCRIPTCHECK_THREADS; fServer = GetBoolArg("-server", false); // block pruning; get the amount of disk space (in MB) to allot for block & undo files int64_t nSignedPruneTarget = GetArg("-prune", 0) * 1024 * 1024; if (nSignedPruneTarget < 0) { return InitError(_("Prune cannot be configured with a negative value.")); } nPruneTarget = (uint64_t) nSignedPruneTarget; if (nPruneTarget) { if (nPruneTarget < MIN_DISK_SPACE_FOR_BLOCK_FILES) { return InitError(strprintf(_("Prune configured below the minimum of %d MB. Please use a higher number."), MIN_DISK_SPACE_FOR_BLOCK_FILES / 1024 / 1024)); } LogPrintf("Prune configured to target %uMiB on disk for block and undo files.\n", nPruneTarget / 1024 / 1024); fPruneMode = true; } #ifdef ENABLE_WALLET bool fDisableWallet = GetBoolArg("-disablewallet", false); #endif nConnectTimeout = GetArg("-timeout", DEFAULT_CONNECT_TIMEOUT); if (nConnectTimeout <= 0) nConnectTimeout = DEFAULT_CONNECT_TIMEOUT; // 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("-minrelaytxfee")) { CAmount n = 0; if (ParseMoney(mapArgs["-minrelaytxfee"], n) && n > 0) ::minRelayTxFee = CFeeRate(n); else return InitError(strprintf(_("Invalid amount for -minrelaytxfee=: '%s'"), mapArgs["-minrelaytxfee"])); } #ifdef ENABLE_WALLET if (mapArgs.count("-mintxfee")) { CAmount n = 0; if (ParseMoney(mapArgs["-mintxfee"], n) && n > 0) CWallet::minTxFee = CFeeRate(n); else return InitError(strprintf(_("Invalid amount for -mintxfee=: '%s'"), mapArgs["-mintxfee"])); } if (mapArgs.count("-paytxfee")) { CAmount nFeePerK = 0; if (!ParseMoney(mapArgs["-paytxfee"], nFeePerK)) return InitError(strprintf(_("Invalid amount for -paytxfee=: '%s'"), mapArgs["-paytxfee"])); if (nFeePerK > nHighTransactionFeeWarning) InitWarning(_("Warning: -paytxfee is set very high! This is the transaction fee you will pay if you send a transaction.")); payTxFee = CFeeRate(nFeePerK, 1000); if (payTxFee < ::minRelayTxFee) { return InitError(strprintf(_("Invalid amount for -paytxfee=: '%s' (must be at least %s)"), mapArgs["-paytxfee"], ::minRelayTxFee.ToString())); } } if (mapArgs.count("-maxtxfee")) { CAmount nMaxFee = 0; if (!ParseMoney(mapArgs["-maxtxfee"], nMaxFee)) return InitError(strprintf(_("Invalid amount for -maxtxfee=: '%s'"), mapArgs["-maptxfee"])); if (nMaxFee > nHighTransactionMaxFeeWarning) InitWarning(_("Warning: -maxtxfee is set very high! Fees this large could be paid on a single transaction.")); maxTxFee = nMaxFee; if (CFeeRate(maxTxFee, 1000) < ::minRelayTxFee) { return InitError(strprintf(_("Invalid amount for -maxtxfee=: '%s' (must be at least the minrelay fee of %s to prevent stuck transactions)"), mapArgs["-maxtxfee"], ::minRelayTxFee.ToString())); } } nTxConfirmTarget = GetArg("-txconfirmtarget", DEFAULT_TX_CONFIRM_TARGET); bSpendZeroConfChange = GetBoolArg("-spendzeroconfchange", true); fSendFreeTransactions = GetBoolArg("-sendfreetransactions", false); std::string strWalletFile = GetArg("-wallet", "wallet.dat"); #endif // ENABLE_WALLET fIsBareMultisigStd = GetBoolArg("-permitbaremultisig", true); nMaxDatacarrierBytes = GetArg("-datacarriersize", nMaxDatacarrierBytes); fAlerts = GetBoolArg("-alerts", DEFAULT_ALERTS); // Option to startup with mocktime set (used for regression testing): SetMockTime(GetArg("-mocktime", 0)); // SetMockTime(0) is a no-op // ********************************************************* Step 4: application initialization: dir lock, daemonize, pidfile, debug log // Initialize elliptic curve code ECC_Start(); // Sanity check if (!InitSanityCheck()) return InitError(_("Initialization sanity check failed. Bitcoin Core is shutting down.")); std::string strDataDir = GetDataDir().string(); #ifdef ENABLE_WALLET // 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, strDataDir)); #endif // 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); try { 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 Core is probably already running."), strDataDir)); } catch(const boost::interprocess::interprocess_exception& e) { return InitError(strprintf(_("Cannot obtain a lock on data directory %s. Bitcoin Core is probably already running.") + " %s.", strDataDir, e.what())); } #ifndef WIN32 CreatePidFile(GetPidFile(), getpid()); #endif 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(), CLIENT_DATE); LogPrintf("Using OpenSSL version %s\n", SSLeay_version(SSLEAY_VERSION)); #ifdef ENABLE_WALLET LogPrintf("Using BerkeleyDB version %s\n", DbEnv::version(0, 0, 0)); #endif if (!fLogTimestamps) LogPrintf("Startup time: %s\n", DateTimeStrFormat("%Y-%m-%d %H:%M:%S", GetTime())); LogPrintf("Default data directory %s\n", GetDefaultDataDir().string()); LogPrintf("Using data directory %s\n", strDataDir); LogPrintf("Using config file %s\n", GetConfigFile().string()); LogPrintf("Using at most %i connections (%i file descriptors available)\n", nMaxConnections, nFD); std::ostringstream strErrors; LogPrintf("Using %u threads for script verification\n", nScriptCheckThreads); if (nScriptCheckThreads) { for (int i=0; i, "scheduler", serviceLoop)); /* Start the RPC server already. It will be started in "warmup" mode * and not really process calls already (but it will signify connections * that the server is there and will be ready later). Warmup mode will * be disabled when initialisation is finished. */ if (fServer) { uiInterface.InitMessage.connect(SetRPCWarmupStatus); RPCServer::OnStopped(&OnRPCStopped); RPCServer::OnPreCommand(&OnRPCPreCommand); StartRPCThreads(); } int64_t nStart; // ********************************************************* Step 5: verify wallet database integrity #ifdef ENABLE_WALLET if (!fDisableWallet) { LogPrintf("Using wallet %s\n", strWalletFile); uiInterface.InitMessage(_("Verifying wallet...")); std::string warningString; std::string errorString; if (!CWallet::Verify(strWalletFile, warningString, errorString)) return false; if (!warningString.empty()) InitWarning(warningString); if (!errorString.empty()) return InitError(warningString); } // (!fDisableWallet) #endif // ENABLE_WALLET // ********************************************************* Step 6: network initialization RegisterNodeSignals(GetNodeSignals()); if (mapArgs.count("-onlynet")) { std::set nets; BOOST_FOREACH(const std::string& snet, mapMultiArgs["-onlynet"]) { enum Network net = ParseNetwork(snet); if (net == NET_UNROUTABLE) return InitError(strprintf(_("Unknown network specified in -onlynet: '%s'"), snet)); nets.insert(net); } for (int n = 0; n < NET_MAX; n++) { enum Network net = (enum Network)n; if (!nets.count(net)) SetLimited(net); } } if (mapArgs.count("-whitelist")) { BOOST_FOREACH(const std::string& net, mapMultiArgs["-whitelist"]) { CSubNet subnet(net); if (!subnet.IsValid()) return InitError(strprintf(_("Invalid netmask specified in -whitelist: '%s'"), net)); CNode::AddWhitelistedRange(subnet); } } bool proxyRandomize = GetBoolArg("-proxyrandomize", true); // -proxy sets a proxy for all outgoing network traffic // -noproxy (or -proxy=0) as well as the empty string can be used to not set a proxy, this is the default std::string proxyArg = GetArg("-proxy", ""); if (proxyArg != "" && proxyArg != "0") { proxyType addrProxy = proxyType(CService(proxyArg, 9050), proxyRandomize); if (!addrProxy.IsValid()) return InitError(strprintf(_("Invalid -proxy address: '%s'"), proxyArg)); SetProxy(NET_IPV4, addrProxy); SetProxy(NET_IPV6, addrProxy); SetProxy(NET_TOR, addrProxy); SetNameProxy(addrProxy); SetReachable(NET_TOR); // by default, -proxy sets onion as reachable, unless -noonion later } // -onion can be used to set only a proxy for .onion, or override normal proxy for .onion addresses // -noonion (or -onion=0) disables connecting to .onion entirely // An empty string is used to not override the onion proxy (in which case it defaults to -proxy set above, or none) std::string onionArg = GetArg("-onion", ""); if (onionArg != "") { if (onionArg == "0") { // Handle -noonion/-onion=0 SetReachable(NET_TOR, false); // set onions as unreachable } else { proxyType addrOnion = proxyType(CService(onionArg, 9050), proxyRandomize); if (!addrOnion.IsValid()) return InitError(strprintf(_("Invalid -onion address: '%s'"), onionArg)); SetProxy(NET_TOR, addrOnion); SetReachable(NET_TOR); } } // see Step 2: parameter interactions for more information about these fListen = GetBoolArg("-listen", DEFAULT_LISTEN); fDiscover = GetBoolArg("-discover", true); fNameLookup = GetBoolArg("-dns", true); bool fBound = false; if (fListen) { if (mapArgs.count("-bind") || mapArgs.count("-whitebind")) { BOOST_FOREACH(const std::string& strBind, mapMultiArgs["-bind"]) { CService addrBind; if (!Lookup(strBind.c_str(), addrBind, GetListenPort(), false)) return InitError(strprintf(_("Cannot resolve -bind address: '%s'"), strBind)); fBound |= Bind(addrBind, (BF_EXPLICIT | BF_REPORT_ERROR)); } BOOST_FOREACH(const std::string& strBind, mapMultiArgs["-whitebind"]) { CService addrBind; if (!Lookup(strBind.c_str(), addrBind, 0, false)) return InitError(strprintf(_("Cannot resolve -whitebind address: '%s'"), strBind)); if (addrBind.GetPort() == 0) return InitError(strprintf(_("Need to specify a port with -whitebind: '%s'"), strBind)); fBound |= Bind(addrBind, (BF_EXPLICIT | BF_REPORT_ERROR | BF_WHITELIST)); } } else { struct in_addr inaddr_any; inaddr_any.s_addr = INADDR_ANY; fBound |= Bind(CService(in6addr_any, GetListenPort()), BF_NONE); 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(const std::string& strAddr, mapMultiArgs["-externalip"]) { CService addrLocal(strAddr, GetListenPort(), fNameLookup); if (!addrLocal.IsValid()) return InitError(strprintf(_("Cannot resolve -externalip address: '%s'"), strAddr)); AddLocal(CService(strAddr, GetListenPort(), fNameLookup), LOCAL_MANUAL); } } BOOST_FOREACH(const std::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/ boost::filesystem::path blocksDir = GetDataDir() / "blocks"; if (!boost::filesystem::exists(blocksDir)) { boost::filesystem::create_directories(blocksDir); bool linked = false; for (unsigned int i = 1; i < 10000; i++) { boost::filesystem::path source = GetDataDir() / strprintf("blk%04u.dat", i); if (!boost::filesystem::exists(source)) break; boost::filesystem::path dest = blocksDir / strprintf("blk%05u.dat", i-1); try { boost::filesystem::create_hard_link(source, dest); LogPrintf("Hardlinked %s -> %s\n", source.string(), dest.string()); linked = true; } catch (const boost::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 int64_t nTotalCache = (GetArg("-dbcache", nDefaultDbCache) << 20); nTotalCache = std::max(nTotalCache, nMinDbCache << 20); // total cache cannot be less than nMinDbCache nTotalCache = std::min(nTotalCache, nMaxDbCache << 20); // total cache cannot be greated than nMaxDbcache int64_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; int64_t nCoinDBCache = std::min(nTotalCache / 2, (nTotalCache / 4) + (1 << 23)); // use 25%-50% of the remainder for disk cache nTotalCache -= nCoinDBCache; nCoinCacheUsage = nTotalCache; // the rest goes to in-memory cache LogPrintf("Cache configuration:\n"); LogPrintf("* Using %.1fMiB for block index database\n", nBlockTreeDBCache * (1.0 / 1024 / 1024)); LogPrintf("* Using %.1fMiB for chain state database\n", nCoinDBCache * (1.0 / 1024 / 1024)); LogPrintf("* Using %.1fMiB for in-memory UTXO set\n", nCoinCacheUsage * (1.0 / 1024 / 1024)); 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 pcoinscatcher; delete pblocktree; pblocktree = new CBlockTreeDB(nBlockTreeDBCache, false, fReindex); pcoinsdbview = new CCoinsViewDB(nCoinDBCache, false, fReindex); pcoinscatcher = new CCoinsViewErrorCatcher(pcoinsdbview); pcoinsTip = new CCoinsViewCache(pcoinscatcher); if (fReindex) { pblocktree->WriteReindexing(true); //If we're reindexing in prune mode, wipe away unusable block files and all undo data files if (fPruneMode) CleanupBlockRevFiles(); } 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() && mapBlockIndex.count(chainparams.GetConsensus().hashGenesisBlock) == 0) 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; } // Check for changed -prune state. What we are concerned about is a user who has pruned blocks // in the past, but is now trying to run unpruned. if (fHavePruned && !fPruneMode) { strLoadError = _("You need to rebuild the database using -reindex to go back to unpruned mode. This will redownload the entire blockchain"); break; } uiInterface.InitMessage(_("Verifying blocks...")); if (fHavePruned && GetArg("-checkblocks", 288) > MIN_BLOCKS_TO_KEEP) { LogPrintf("Prune: pruned datadir may not have more than %d blocks; -checkblocks=%d may fail\n", MIN_BLOCKS_TO_KEEP, GetArg("-checkblocks", 288)); } if (!CVerifyDB().VerifyDB(pcoinsdbview, GetArg("-checklevel", 3), GetArg("-checkblocks", 288))) { strLoadError = _("Corrupted block database detected"); break; } } catch (const 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 the GUI 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 %15dms\n", GetTimeMillis() - nStart); boost::filesystem::path est_path = GetDataDir() / FEE_ESTIMATES_FILENAME; CAutoFile est_filein(fopen(est_path.string().c_str(), "rb"), SER_DISK, CLIENT_VERSION); // Allowed to fail as this file IS missing on first startup. if (!est_filein.IsNull()) mempool.ReadFeeEstimates(est_filein); fFeeEstimatesInitialized = true; // if prune mode, unset NODE_NETWORK and prune block files if (fPruneMode) { LogPrintf("Unsetting NODE_NETWORK on prune mode\n"); nLocalServices &= ~NODE_NETWORK; if (!fReindex) { PruneAndFlush(); } } // ********************************************************* Step 8: load wallet #ifdef ENABLE_WALLET if (fDisableWallet) { pwalletMain = NULL; LogPrintf("Wallet disabled!\n"); } else { // needed to restore wallet transaction meta data after -zapwallettxes std::vector vWtx; if (GetBoolArg("-zapwallettxes", false)) { uiInterface.InitMessage(_("Zapping all transactions from wallet...")); pwalletMain = new CWallet(strWalletFile); DBErrors nZapWalletRet = pwalletMain->ZapWalletTx(vWtx); if (nZapWalletRet != DB_LOAD_OK) { uiInterface.InitMessage(_("Error loading wallet.dat: Wallet corrupted")); return false; } delete pwalletMain; pwalletMain = NULL; } 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 Core") << "\n"; else if (nLoadWalletRet == DB_NEED_REWRITE) { strErrors << _("Wallet needed to be rewritten: restart Bitcoin Core to complete") << "\n"; LogPrintf("%s", strErrors.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()); LogPrintf(" wallet %15dms\n", GetTimeMillis() - nStart); RegisterValidationInterface(pwalletMain); CBlockIndex *pindexRescan = chainActive.Tip(); if (GetBoolArg("-rescan", false)) pindexRescan = chainActive.Genesis(); else { CWalletDB walletdb(strWalletFile); CBlockLocator locator; if (walletdb.ReadBestBlock(locator)) pindexRescan = FindForkInGlobalIndex(chainActive, locator); else pindexRescan = chainActive.Genesis(); } if (chainActive.Tip() && chainActive.Tip() != pindexRescan) { //We can't rescan beyond non-pruned blocks, stop and throw an error //this might happen if a user uses a old wallet within a pruned node // or if he ran -disablewallet for a longer time, then decided to re-enable if (fPruneMode) { CBlockIndex *block = chainActive.Tip(); while (block && block->pprev && (block->pprev->nStatus & BLOCK_HAVE_DATA) && block->pprev->nTx > 0 && pindexRescan != block) block = block->pprev; if (pindexRescan != block) return InitError(_("Prune: last wallet synchronisation goes beyond pruned data. You need to -reindex (download the whole blockchain again in case of pruned node)")); } 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 %15dms\n", GetTimeMillis() - nStart); pwalletMain->SetBestChain(chainActive.GetLocator()); nWalletDBUpdated++; // Restore wallet transaction metadata after -zapwallettxes=1 if (GetBoolArg("-zapwallettxes", false) && GetArg("-zapwallettxes", "1") != "2") { CWalletDB walletdb(strWalletFile); BOOST_FOREACH(const CWalletTx& wtxOld, vWtx) { uint256 hash = wtxOld.GetHash(); std::map::iterator mi = pwalletMain->mapWallet.find(hash); if (mi != pwalletMain->mapWallet.end()) { const CWalletTx* copyFrom = &wtxOld; CWalletTx* copyTo = &mi->second; copyTo->mapValue = copyFrom->mapValue; copyTo->vOrderForm = copyFrom->vOrderForm; copyTo->nTimeReceived = copyFrom->nTimeReceived; copyTo->nTimeSmart = copyFrom->nTimeSmart; copyTo->fFromMe = copyFrom->fFromMe; copyTo->strFromAccount = copyFrom->strFromAccount; copyTo->nOrderPos = copyFrom->nOrderPos; copyTo->WriteToDisk(&walletdb); } } } } pwalletMain->SetBroadcastTransactions(GetBoolArg("-walletbroadcast", true)); } // (!fDisableWallet) #else // ENABLE_WALLET LogPrintf("No wallet support compiled in!\n"); #endif // !ENABLE_WALLET // ********************************************************* Step 9: import blocks if (mapArgs.count("-blocknotify")) uiInterface.NotifyBlockTip.connect(BlockNotifyCallback); uiInterface.InitMessage(_("Activating best chain...")); // scan for better chains in the block chain database, that are not yet connected in the active best chain CValidationState state; if (!ActivateBestChain(state)) strErrors << "Failed to connect best block"; std::vector vImportFiles; if (mapArgs.count("-loadblock")) { BOOST_FOREACH(const std::string& strFile, mapMultiArgs["-loadblock"]) vImportFiles.push_back(strFile); } threadGroup.create_thread(boost::bind(&ThreadImport, vImportFiles)); if (chainActive.Tip() == NULL) { LogPrintf("Waiting for genesis block to be imported...\n"); while (!fRequestShutdown && chainActive.Tip() == NULL) MilliSleep(10); } // ********************************************************* Step 10: start node if (!CheckDiskSpace()) return false; if (!strErrors.str().empty()) return InitError(strErrors.str()); RandAddSeedPerfmon(); //// debug print LogPrintf("mapBlockIndex.size() = %u\n", mapBlockIndex.size()); LogPrintf("nBestHeight = %d\n", chainActive.Height()); #ifdef ENABLE_WALLET LogPrintf("setKeyPool.size() = %u\n", pwalletMain ? pwalletMain->setKeyPool.size() : 0); LogPrintf("mapWallet.size() = %u\n", pwalletMain ? pwalletMain->mapWallet.size() : 0); LogPrintf("mapAddressBook.size() = %u\n", pwalletMain ? pwalletMain->mapAddressBook.size() : 0); #endif StartNode(threadGroup, scheduler); // Monitor the chain, and alert if we get blocks much quicker or slower than expected int64_t nPowTargetSpacing = Params().GetConsensus().nPowTargetSpacing; CScheduler::Function f = boost::bind(&PartitionCheck, &IsInitialBlockDownload, boost::ref(cs_main), boost::cref(pindexBestHeader), nPowTargetSpacing); scheduler.scheduleEvery(f, nPowTargetSpacing); #ifdef ENABLE_WALLET // Generate coins in the background if (pwalletMain) GenerateBitcoins(GetBoolArg("-gen", false), pwalletMain, GetArg("-genproclimit", 1)); #endif // ********************************************************* Step 11: finished SetRPCWarmupFinished(); uiInterface.InitMessage(_("Done loading")); #ifdef ENABLE_WALLET if (pwalletMain) { // 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))); } #endif return !fRequestShutdown; } diff --git a/src/miner.cpp b/src/miner.cpp index f5919ca3af..57af2981dd 100644 --- a/src/miner.cpp +++ b/src/miner.cpp @@ -1,581 +1,581 @@ // Copyright (c) 2009-2010 Satoshi Nakamoto // Copyright (c) 2009-2014 The Bitcoin Core developers // Distributed under the MIT software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. #include "miner.h" #include "amount.h" #include "chainparams.h" #include "consensus/consensus.h" #include "consensus/validation.h" #include "hash.h" #include "main.h" #include "net.h" #include "pow.h" #include "primitives/transaction.h" #include "timedata.h" #include "util.h" #include "utilmoneystr.h" #ifdef ENABLE_WALLET #include "wallet/wallet.h" #endif #include #include using namespace std; ////////////////////////////////////////////////////////////////////////////// // // BitcoinMiner // // // Unconfirmed transactions in the memory pool often depend on other // transactions in the memory pool. When we select transactions from the // pool, we select by highest priority or fee rate, so we might consider // transactions that depend on transactions that aren't yet in the block. // The COrphan class keeps track of these 'temporary orphans' while // CreateBlock is figuring out which transactions to include. // class COrphan { public: const CTransaction* ptx; set setDependsOn; CFeeRate feeRate; double dPriority; COrphan(const CTransaction* ptxIn) : ptx(ptxIn), feeRate(0), dPriority(0) { } }; uint64_t nLastBlockTx = 0; uint64_t nLastBlockSize = 0; // We want to sort transactions by priority and fee rate, so: typedef boost::tuple TxPriority; class TxPriorityCompare { bool byFee; public: TxPriorityCompare(bool _byFee) : byFee(_byFee) { } bool operator()(const TxPriority& a, const TxPriority& b) { if (byFee) { if (a.get<1>() == b.get<1>()) return a.get<0>() < b.get<0>(); return a.get<1>() < b.get<1>(); } else { if (a.get<0>() == b.get<0>()) return a.get<1>() < b.get<1>(); return a.get<0>() < b.get<0>(); } } }; void UpdateTime(CBlockHeader* pblock, const Consensus::Params& consensusParams, const CBlockIndex* pindexPrev) { pblock->nTime = std::max(pindexPrev->GetMedianTimePast()+1, GetAdjustedTime()); // Updating time can change work required on testnet: if (consensusParams.fPowAllowMinDifficultyBlocks) pblock->nBits = GetNextWorkRequired(pindexPrev, pblock, consensusParams); } CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn) { const CChainParams& chainparams = Params(); // Create new block auto_ptr pblocktemplate(new CBlockTemplate()); if(!pblocktemplate.get()) return NULL; CBlock *pblock = &pblocktemplate->block; // pointer for convenience // -regtest only: allow overriding block.nVersion with // -blockversion=N to test forking scenarios if (Params().MineBlocksOnDemand()) pblock->nVersion = GetArg("-blockversion", pblock->nVersion); // Create coinbase tx CMutableTransaction txNew; txNew.vin.resize(1); txNew.vin[0].prevout.SetNull(); txNew.vout.resize(1); txNew.vout[0].scriptPubKey = scriptPubKeyIn; // Add dummy coinbase tx as first transaction pblock->vtx.push_back(CTransaction()); pblocktemplate->vTxFees.push_back(-1); // updated at end pblocktemplate->vTxSigOps.push_back(-1); // updated at end // Largest block you're willing to create: unsigned int nBlockMaxSize = GetArg("-blockmaxsize", DEFAULT_BLOCK_MAX_SIZE); // Limit to betweeen 1K and MAX_BLOCK_SIZE-1K for sanity: 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 unsigned int nBlockPrioritySize = GetArg("-blockprioritysize", DEFAULT_BLOCK_PRIORITY_SIZE); 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: unsigned int nBlockMinSize = GetArg("-blockminsize", DEFAULT_BLOCK_MIN_SIZE); nBlockMinSize = std::min(nBlockMaxSize, nBlockMinSize); // Collect memory pool transactions into the block CAmount nFees = 0; { LOCK2(cs_main, mempool.cs); CBlockIndex* pindexPrev = chainActive.Tip(); const int nHeight = pindexPrev->nHeight + 1; pblock->nTime = GetAdjustedTime(); CCoinsViewCache view(pcoinsTip); // Priority order to process transactions list vOrphan; // list memory doesn't move map > mapDependers; bool fPrintPriority = GetBoolArg("-printpriority", false); // This vector will be sorted into a priority queue: vector vecPriority; vecPriority.reserve(mempool.mapTx.size()); for (map::iterator mi = mempool.mapTx.begin(); mi != mempool.mapTx.end(); ++mi) { const CTransaction& tx = mi->second.GetTx(); if (tx.IsCoinBase() || !IsFinalTx(tx, nHeight, pblock->nTime)) continue; COrphan* porphan = NULL; double dPriority = 0; CAmount nTotalIn = 0; bool fMissingInputs = false; BOOST_FOREACH(const CTxIn& txin, tx.vin) { // Read prev transaction if (!view.HaveCoins(txin.prevout.hash)) { // This should never happen; all transactions in the memory // pool should connect to either transactions in the chain // or other transactions in the memory pool. if (!mempool.mapTx.count(txin.prevout.hash)) { LogPrintf("ERROR: mempool transaction missing input\n"); if (fDebug) assert("mempool transaction missing input" == 0); fMissingInputs = true; if (porphan) vOrphan.pop_back(); break; } // Has to wait for dependencies if (!porphan) { // Use list for automatic deletion vOrphan.push_back(COrphan(&tx)); porphan = &vOrphan.back(); } mapDependers[txin.prevout.hash].push_back(porphan); porphan->setDependsOn.insert(txin.prevout.hash); nTotalIn += mempool.mapTx[txin.prevout.hash].GetTx().vout[txin.prevout.n].nValue; continue; } const CCoins* coins = view.AccessCoins(txin.prevout.hash); assert(coins); CAmount nValueIn = coins->vout[txin.prevout.n].nValue; nTotalIn += nValueIn; int nConf = nHeight - coins->nHeight; dPriority += (double)nValueIn * nConf; } if (fMissingInputs) continue; // Priority is sum(valuein * age) / modified_txsize unsigned int nTxSize = ::GetSerializeSize(tx, SER_NETWORK, PROTOCOL_VERSION); dPriority = tx.ComputePriority(dPriority, nTxSize); uint256 hash = tx.GetHash(); mempool.ApplyDeltas(hash, dPriority, nTotalIn); CFeeRate feeRate(nTotalIn-tx.GetValueOut(), nTxSize); if (porphan) { porphan->dPriority = dPriority; porphan->feeRate = feeRate; } else vecPriority.push_back(TxPriority(dPriority, feeRate, &mi->second.GetTx())); } // Collect transactions into block uint64_t nBlockSize = 1000; uint64_t nBlockTx = 0; int nBlockSigOps = 100; bool fSortedByFee = (nBlockPrioritySize <= 0); TxPriorityCompare comparer(fSortedByFee); std::make_heap(vecPriority.begin(), vecPriority.end(), comparer); while (!vecPriority.empty()) { // Take highest priority transaction off the priority queue: double dPriority = vecPriority.front().get<0>(); CFeeRate feeRate = vecPriority.front().get<1>(); const CTransaction& tx = *(vecPriority.front().get<2>()); std::pop_heap(vecPriority.begin(), vecPriority.end(), comparer); vecPriority.pop_back(); // Size limits unsigned int nTxSize = ::GetSerializeSize(tx, SER_NETWORK, PROTOCOL_VERSION); if (nBlockSize + nTxSize >= nBlockMaxSize) continue; // Legacy limits on sigOps: unsigned int nTxSigOps = GetLegacySigOpCount(tx); if (nBlockSigOps + nTxSigOps >= MAX_BLOCK_SIGOPS) continue; // Skip free transactions if we're past the minimum block size: const uint256& hash = tx.GetHash(); double dPriorityDelta = 0; CAmount nFeeDelta = 0; mempool.ApplyDeltas(hash, dPriorityDelta, nFeeDelta); if (fSortedByFee && (dPriorityDelta <= 0) && (nFeeDelta <= 0) && (feeRate < ::minRelayTxFee) && (nBlockSize + nTxSize >= nBlockMinSize)) continue; // Prioritise by fee once past the priority size or we run out of high-priority // transactions: if (!fSortedByFee && ((nBlockSize + nTxSize >= nBlockPrioritySize) || !AllowFree(dPriority))) { fSortedByFee = true; comparer = TxPriorityCompare(fSortedByFee); std::make_heap(vecPriority.begin(), vecPriority.end(), comparer); } if (!view.HaveInputs(tx)) continue; CAmount nTxFees = view.GetValueIn(tx)-tx.GetValueOut(); nTxSigOps += GetP2SHSigOpCount(tx, view); if (nBlockSigOps + nTxSigOps >= MAX_BLOCK_SIGOPS) continue; // Note that flags: we don't want to set mempool/IsStandard() // policy here, but we still have to ensure that the block we // create only contains transactions that are valid in new blocks. CValidationState state; if (!CheckInputs(tx, state, view, true, MANDATORY_SCRIPT_VERIFY_FLAGS, true)) continue; UpdateCoins(tx, state, view, nHeight); // Added pblock->vtx.push_back(tx); pblocktemplate->vTxFees.push_back(nTxFees); pblocktemplate->vTxSigOps.push_back(nTxSigOps); nBlockSize += nTxSize; ++nBlockTx; nBlockSigOps += nTxSigOps; nFees += nTxFees; if (fPrintPriority) { LogPrintf("priority %.1f fee %s txid %s\n", dPriority, feeRate.ToString(), tx.GetHash().ToString()); } // Add transactions that depend on this one to the priority queue if (mapDependers.count(hash)) { BOOST_FOREACH(COrphan* porphan, mapDependers[hash]) { if (!porphan->setDependsOn.empty()) { porphan->setDependsOn.erase(hash); if (porphan->setDependsOn.empty()) { vecPriority.push_back(TxPriority(porphan->dPriority, porphan->feeRate, porphan->ptx)); std::push_heap(vecPriority.begin(), vecPriority.end(), comparer); } } } } } nLastBlockTx = nBlockTx; nLastBlockSize = nBlockSize; LogPrintf("CreateNewBlock(): total size %u\n", nBlockSize); // Compute final coinbase transaction. txNew.vout[0].nValue = nFees + GetBlockSubsidy(nHeight, chainparams.GetConsensus()); txNew.vin[0].scriptSig = CScript() << nHeight << OP_0; pblock->vtx[0] = txNew; pblocktemplate->vTxFees[0] = -nFees; // Fill in header pblock->hashPrevBlock = pindexPrev->GetBlockHash(); UpdateTime(pblock, Params().GetConsensus(), pindexPrev); pblock->nBits = GetNextWorkRequired(pindexPrev, pblock, Params().GetConsensus()); pblock->nNonce = 0; pblocktemplate->vTxSigOps[0] = GetLegacySigOpCount(pblock->vtx[0]); CValidationState state; if (!TestBlockValidity(state, *pblock, pindexPrev, false, false)) throw std::runtime_error("CreateNewBlock(): TestBlockValidity failed"); } return pblocktemplate.release(); } void IncrementExtraNonce(CBlock* pblock, CBlockIndex* pindexPrev, unsigned int& nExtraNonce) { // Update nExtraNonce static uint256 hashPrevBlock; if (hashPrevBlock != pblock->hashPrevBlock) { nExtraNonce = 0; hashPrevBlock = pblock->hashPrevBlock; } ++nExtraNonce; unsigned int nHeight = pindexPrev->nHeight+1; // Height first in coinbase required for block.version=2 CMutableTransaction txCoinbase(pblock->vtx[0]); txCoinbase.vin[0].scriptSig = (CScript() << nHeight << CScriptNum(nExtraNonce)) + COINBASE_FLAGS; assert(txCoinbase.vin[0].scriptSig.size() <= 100); pblock->vtx[0] = txCoinbase; pblock->hashMerkleRoot = pblock->BuildMerkleTree(); } #ifdef ENABLE_WALLET ////////////////////////////////////////////////////////////////////////////// // // Internal miner // // // ScanHash scans nonces looking for a hash with at least some zero bits. // The nonce is usually preserved between calls, but periodically or if the // nonce is 0xffff0000 or above, the block is rebuilt and nNonce starts over at // zero. // bool static ScanHash(const CBlockHeader *pblock, uint32_t& nNonce, uint256 *phash) { // Write the first 76 bytes of the block header to a double-SHA256 state. CHash256 hasher; CDataStream ss(SER_NETWORK, PROTOCOL_VERSION); ss << *pblock; assert(ss.size() == 80); hasher.Write((unsigned char*)&ss[0], 76); while (true) { nNonce++; // Write the last 4 bytes of the block header (the nonce) to a copy of // the double-SHA256 state, and compute the result. CHash256(hasher).Write((unsigned char*)&nNonce, 4).Finalize((unsigned char*)phash); // Return the nonce if the hash has at least some zero bits, // caller will check if it has enough to reach the target if (((uint16_t*)phash)[15] == 0) return true; // If nothing found after trying for a while, return -1 if ((nNonce & 0xfff) == 0) return false; } } CBlockTemplate* CreateNewBlockWithKey(CReserveKey& reservekey) { CPubKey pubkey; if (!reservekey.GetReservedKey(pubkey)) return NULL; CScript scriptPubKey = CScript() << ToByteVector(pubkey) << OP_CHECKSIG; return CreateNewBlock(scriptPubKey); } static bool ProcessBlockFound(CBlock* pblock, CWallet& wallet, CReserveKey& reservekey) { LogPrintf("%s\n", pblock->ToString()); LogPrintf("generated %s\n", FormatMoney(pblock->vtx[0].vout[0].nValue)); // Found a solution { LOCK(cs_main); if (pblock->hashPrevBlock != chainActive.Tip()->GetBlockHash()) return error("BitcoinMiner: generated block is stale"); } // Remove key from key pool reservekey.KeepKey(); // Track how many getdata requests this block gets { LOCK(wallet.cs_wallet); wallet.mapRequestCount[pblock->GetHash()] = 0; } // Process this block the same as if we had received it from another node CValidationState state; if (!ProcessNewBlock(state, NULL, pblock, true, NULL)) return error("BitcoinMiner: ProcessNewBlock, block not accepted"); return true; } void static BitcoinMiner(CWallet *pwallet) { LogPrintf("BitcoinMiner started\n"); SetThreadPriority(THREAD_PRIORITY_LOWEST); RenameThread("bitcoin-miner"); const CChainParams& chainparams = Params(); // Each thread has its own key and counter CReserveKey reservekey(pwallet); unsigned int nExtraNonce = 0; try { while (true) { if (chainparams.MiningRequiresPeers()) { // Busy-wait for the network to come online so we don't waste time mining // on an obsolete chain. In regtest mode we expect to fly solo. do { bool fvNodesEmpty; { LOCK(cs_vNodes); fvNodesEmpty = vNodes.empty(); } if (!fvNodesEmpty && !IsInitialBlockDownload()) break; MilliSleep(1000); } while (true); } // // Create new block // unsigned int nTransactionsUpdatedLast = mempool.GetTransactionsUpdated(); CBlockIndex* pindexPrev = chainActive.Tip(); auto_ptr pblocktemplate(CreateNewBlockWithKey(reservekey)); if (!pblocktemplate.get()) { LogPrintf("Error in BitcoinMiner: Keypool ran out, please call keypoolrefill before restarting the mining thread\n"); return; } CBlock *pblock = &pblocktemplate->block; IncrementExtraNonce(pblock, pindexPrev, nExtraNonce); LogPrintf("Running BitcoinMiner with %u transactions in block (%u bytes)\n", pblock->vtx.size(), ::GetSerializeSize(*pblock, SER_NETWORK, PROTOCOL_VERSION)); // // Search // int64_t nStart = GetTime(); arith_uint256 hashTarget = arith_uint256().SetCompact(pblock->nBits); uint256 hash; uint32_t nNonce = 0; while (true) { // Check if something found if (ScanHash(pblock, nNonce, &hash)) { if (UintToArith256(hash) <= hashTarget) { // Found a solution pblock->nNonce = nNonce; assert(hash == pblock->GetHash()); SetThreadPriority(THREAD_PRIORITY_NORMAL); LogPrintf("BitcoinMiner:\n"); LogPrintf("proof-of-work found \n hash: %s \ntarget: %s\n", hash.GetHex(), hashTarget.GetHex()); ProcessBlockFound(pblock, *pwallet, reservekey); SetThreadPriority(THREAD_PRIORITY_LOWEST); // In regression test mode, stop mining after a block is found. if (chainparams.MineBlocksOnDemand()) throw boost::thread_interrupted(); break; } } // Check for stop or if block needs to be rebuilt boost::this_thread::interruption_point(); // Regtest mode doesn't require peers if (vNodes.empty() && chainparams.MiningRequiresPeers()) break; if (nNonce >= 0xffff0000) break; if (mempool.GetTransactionsUpdated() != nTransactionsUpdatedLast && GetTime() - nStart > 60) break; if (pindexPrev != chainActive.Tip()) break; // Update nTime every few seconds UpdateTime(pblock, chainparams.GetConsensus(), pindexPrev); if (chainparams.GetConsensus().fPowAllowMinDifficultyBlocks) { // Changing pblock->nTime can change work required on testnet: hashTarget.SetCompact(pblock->nBits); } } } } catch (const boost::thread_interrupted&) { LogPrintf("BitcoinMiner terminated\n"); throw; } catch (const std::runtime_error &e) { LogPrintf("BitcoinMiner runtime error: %s\n", e.what()); return; } } void GenerateBitcoins(bool fGenerate, CWallet* pwallet, int nThreads) { static boost::thread_group* minerThreads = NULL; if (nThreads < 0) { // In regtest threads defaults to 1 if (Params().DefaultMinerThreads()) nThreads = Params().DefaultMinerThreads(); else - nThreads = boost::thread::hardware_concurrency(); + nThreads = GetNumCores(); } if (minerThreads != NULL) { minerThreads->interrupt_all(); delete minerThreads; minerThreads = NULL; } if (nThreads == 0 || !fGenerate) return; minerThreads = new boost::thread_group(); for (int i = 0; i < nThreads; i++) minerThreads->create_thread(boost::bind(&BitcoinMiner, pwallet)); } #endif // ENABLE_WALLET diff --git a/src/qt/optionsdialog.cpp b/src/qt/optionsdialog.cpp index efb2bf4158..87c727335e 100644 --- a/src/qt/optionsdialog.cpp +++ b/src/qt/optionsdialog.cpp @@ -1,288 +1,288 @@ // Copyright (c) 2011-2013 The Bitcoin Core developers // Distributed under the MIT software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. #if defined(HAVE_CONFIG_H) #include "config/bitcoin-config.h" #endif #include "optionsdialog.h" #include "ui_optionsdialog.h" #include "bitcoinunits.h" #include "guiutil.h" #include "optionsmodel.h" #include "main.h" // for MAX_SCRIPTCHECK_THREADS #include "netbase.h" #include "txdb.h" // for -dbcache defaults #ifdef ENABLE_WALLET #include "wallet/wallet.h" // for CWallet::minTxFee #endif #include #include #include #include #include #include #include OptionsDialog::OptionsDialog(QWidget *parent, bool enableWallet) : QDialog(parent), ui(new Ui::OptionsDialog), model(0), mapper(0), fProxyIpValid(true) { ui->setupUi(this); /* Main elements init */ ui->databaseCache->setMinimum(nMinDbCache); ui->databaseCache->setMaximum(nMaxDbCache); - ui->threadsScriptVerif->setMinimum(-(int)boost::thread::hardware_concurrency()); + ui->threadsScriptVerif->setMinimum(-GetNumCores()); ui->threadsScriptVerif->setMaximum(MAX_SCRIPTCHECK_THREADS); /* Network elements init */ #ifndef USE_UPNP ui->mapPortUpnp->setEnabled(false); #endif ui->proxyIp->setEnabled(false); ui->proxyPort->setEnabled(false); ui->proxyPort->setValidator(new QIntValidator(1, 65535, this)); connect(ui->connectSocks, SIGNAL(toggled(bool)), ui->proxyIp, SLOT(setEnabled(bool))); connect(ui->connectSocks, SIGNAL(toggled(bool)), ui->proxyPort, SLOT(setEnabled(bool))); ui->proxyIp->installEventFilter(this); /* Window elements init */ #ifdef Q_OS_MAC /* remove Window tab on Mac */ ui->tabWidget->removeTab(ui->tabWidget->indexOf(ui->tabWindow)); #endif /* remove Wallet tab in case of -disablewallet */ if (!enableWallet) { ui->tabWidget->removeTab(ui->tabWidget->indexOf(ui->tabWallet)); } /* Display elements init */ QDir translations(":translations"); ui->lang->addItem(QString("(") + tr("default") + QString(")"), QVariant("")); foreach(const QString &langStr, translations.entryList()) { QLocale locale(langStr); /** check if the locale name consists of 2 parts (language_country) */ if(langStr.contains("_")) { #if QT_VERSION >= 0x040800 /** display language strings as "native language - native country (locale name)", e.g. "Deutsch - Deutschland (de)" */ ui->lang->addItem(locale.nativeLanguageName() + QString(" - ") + locale.nativeCountryName() + QString(" (") + langStr + QString(")"), QVariant(langStr)); #else /** display language strings as "language - country (locale name)", e.g. "German - Germany (de)" */ ui->lang->addItem(QLocale::languageToString(locale.language()) + QString(" - ") + QLocale::countryToString(locale.country()) + QString(" (") + langStr + QString(")"), QVariant(langStr)); #endif } else { #if QT_VERSION >= 0x040800 /** display language strings as "native language (locale name)", e.g. "Deutsch (de)" */ ui->lang->addItem(locale.nativeLanguageName() + QString(" (") + langStr + QString(")"), QVariant(langStr)); #else /** display language strings as "language (locale name)", e.g. "German (de)" */ ui->lang->addItem(QLocale::languageToString(locale.language()) + QString(" (") + langStr + QString(")"), QVariant(langStr)); #endif } } #if QT_VERSION >= 0x040700 ui->thirdPartyTxUrls->setPlaceholderText("https://example.com/tx/%s"); #endif ui->unit->setModel(new BitcoinUnits(this)); /* Widget-to-option mapper */ mapper = new QDataWidgetMapper(this); mapper->setSubmitPolicy(QDataWidgetMapper::ManualSubmit); mapper->setOrientation(Qt::Vertical); /* setup/change UI elements when proxy IP is invalid/valid */ connect(this, SIGNAL(proxyIpChecks(QValidatedLineEdit *, int)), this, SLOT(doProxyIpChecks(QValidatedLineEdit *, int))); } OptionsDialog::~OptionsDialog() { delete ui; } void OptionsDialog::setModel(OptionsModel *model) { this->model = model; if(model) { /* check if client restart is needed and show persistent message */ if (model->isRestartRequired()) showRestartWarning(true); QString strLabel = model->getOverriddenByCommandLine(); if (strLabel.isEmpty()) strLabel = tr("none"); ui->overriddenByCommandLineLabel->setText(strLabel); mapper->setModel(model); setMapper(); mapper->toFirst(); } /* warn when one of the following settings changes by user action (placed here so init via mapper doesn't trigger them) */ /* Main */ connect(ui->databaseCache, SIGNAL(valueChanged(int)), this, SLOT(showRestartWarning())); connect(ui->threadsScriptVerif, SIGNAL(valueChanged(int)), this, SLOT(showRestartWarning())); /* Wallet */ connect(ui->spendZeroConfChange, SIGNAL(clicked(bool)), this, SLOT(showRestartWarning())); /* Network */ connect(ui->allowIncoming, SIGNAL(clicked(bool)), this, SLOT(showRestartWarning())); connect(ui->connectSocks, SIGNAL(clicked(bool)), this, SLOT(showRestartWarning())); /* Display */ connect(ui->lang, SIGNAL(valueChanged()), this, SLOT(showRestartWarning())); connect(ui->thirdPartyTxUrls, SIGNAL(textChanged(const QString &)), this, SLOT(showRestartWarning())); } void OptionsDialog::setMapper() { /* Main */ mapper->addMapping(ui->bitcoinAtStartup, OptionsModel::StartAtStartup); mapper->addMapping(ui->threadsScriptVerif, OptionsModel::ThreadsScriptVerif); mapper->addMapping(ui->databaseCache, OptionsModel::DatabaseCache); /* Wallet */ mapper->addMapping(ui->spendZeroConfChange, OptionsModel::SpendZeroConfChange); mapper->addMapping(ui->coinControlFeatures, OptionsModel::CoinControlFeatures); /* Network */ mapper->addMapping(ui->mapPortUpnp, OptionsModel::MapPortUPnP); mapper->addMapping(ui->allowIncoming, OptionsModel::Listen); mapper->addMapping(ui->connectSocks, OptionsModel::ProxyUse); mapper->addMapping(ui->proxyIp, OptionsModel::ProxyIP); mapper->addMapping(ui->proxyPort, OptionsModel::ProxyPort); /* Window */ #ifndef Q_OS_MAC mapper->addMapping(ui->minimizeToTray, OptionsModel::MinimizeToTray); mapper->addMapping(ui->minimizeOnClose, OptionsModel::MinimizeOnClose); #endif /* Display */ mapper->addMapping(ui->lang, OptionsModel::Language); mapper->addMapping(ui->unit, OptionsModel::DisplayUnit); mapper->addMapping(ui->thirdPartyTxUrls, OptionsModel::ThirdPartyTxUrls); } void OptionsDialog::enableOkButton() { /* prevent enabling of the OK button when data modified, if there is an invalid proxy address present */ if(fProxyIpValid) setOkButtonState(true); } void OptionsDialog::disableOkButton() { setOkButtonState(false); } void OptionsDialog::setOkButtonState(bool fState) { ui->okButton->setEnabled(fState); } void OptionsDialog::on_resetButton_clicked() { if(model) { // confirmation dialog QMessageBox::StandardButton btnRetVal = QMessageBox::question(this, tr("Confirm options reset"), tr("Client restart required to activate changes.") + "

" + tr("Client will be shut down. Do you want to proceed?"), QMessageBox::Yes | QMessageBox::Cancel, QMessageBox::Cancel); if(btnRetVal == QMessageBox::Cancel) return; /* reset all options and close GUI */ model->Reset(); QApplication::quit(); } } void OptionsDialog::on_okButton_clicked() { mapper->submit(); accept(); } void OptionsDialog::on_cancelButton_clicked() { reject(); } void OptionsDialog::showRestartWarning(bool fPersistent) { ui->statusLabel->setStyleSheet("QLabel { color: red; }"); if(fPersistent) { ui->statusLabel->setText(tr("Client restart required to activate changes.")); } else { ui->statusLabel->setText(tr("This change would require a client restart.")); // clear non-persistent status label after 10 seconds // Todo: should perhaps be a class attribute, if we extend the use of statusLabel QTimer::singleShot(10000, this, SLOT(clearStatusLabel())); } } void OptionsDialog::clearStatusLabel() { ui->statusLabel->clear(); } void OptionsDialog::doProxyIpChecks(QValidatedLineEdit *pUiProxyIp, int nProxyPort) { Q_UNUSED(nProxyPort); const std::string strAddrProxy = pUiProxyIp->text().toStdString(); CService addrProxy; /* Check for a valid IPv4 / IPv6 address */ if (!(fProxyIpValid = LookupNumeric(strAddrProxy.c_str(), addrProxy))) { disableOkButton(); pUiProxyIp->setValid(false); ui->statusLabel->setStyleSheet("QLabel { color: red; }"); ui->statusLabel->setText(tr("The supplied proxy address is invalid.")); } else { enableOkButton(); ui->statusLabel->clear(); } } bool OptionsDialog::eventFilter(QObject *object, QEvent *event) { if(event->type() == QEvent::FocusOut) { if(object == ui->proxyIp) { emit proxyIpChecks(ui->proxyIp, ui->proxyPort->text().toInt()); } } return QDialog::eventFilter(object, event); } diff --git a/src/util.cpp b/src/util.cpp index da5821e530..bb7df23205 100644 --- a/src/util.cpp +++ b/src/util.cpp @@ -1,758 +1,768 @@ // Copyright (c) 2009-2010 Satoshi Nakamoto // Copyright (c) 2009-2014 The Bitcoin Core developers // Distributed under the MIT software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. #if defined(HAVE_CONFIG_H) #include "config/bitcoin-config.h" #endif #include "util.h" #include "chainparamsbase.h" #include "random.h" #include "serialize.h" #include "sync.h" #include "utilstrencodings.h" #include "utiltime.h" #include #if (defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)) #include #include #endif #ifndef WIN32 // for posix_fallocate #ifdef __linux__ #ifdef _POSIX_C_SOURCE #undef _POSIX_C_SOURCE #endif #define _POSIX_C_SOURCE 200112L #endif // __linux__ #include #include #include #include #else #ifdef _MSC_VER #pragma warning(disable:4786) #pragma warning(disable:4804) #pragma warning(disable:4805) #pragma warning(disable:4717) #endif #ifdef _WIN32_WINNT #undef _WIN32_WINNT #endif #define _WIN32_WINNT 0x0501 #ifdef _WIN32_IE #undef _WIN32_IE #endif #define _WIN32_IE 0x0501 #define WIN32_LEAN_AND_MEAN 1 #ifndef NOMINMAX #define NOMINMAX #endif #include /* for _commit */ #include #endif #ifdef HAVE_SYS_PRCTL_H #include #endif #include // for to_lower() #include #include // for startswith() and endswith() #include #include #include #include #include #include #include #include // Work around clang compilation problem in Boost 1.46: // /usr/include/boost/program_options/detail/config_file.hpp:163:17: error: call to function 'to_internal' that is neither visible in the template definition nor found by argument-dependent lookup // See also: http://stackoverflow.com/questions/10020179/compilation-fail-in-boost-librairies-program-options // http://clang.debian.net/status.php?version=3.0&key=CANNOT_FIND_FUNCTION namespace boost { namespace program_options { std::string to_internal(const std::string&); } } // namespace boost using namespace std; map mapArgs; map > mapMultiArgs; bool fDebug = false; bool fPrintToConsole = false; bool fPrintToDebugLog = true; bool fDaemon = false; bool fServer = false; string strMiscWarning; bool fLogTimestamps = false; bool fLogIPs = false; volatile bool fReopenDebugLog = false; CTranslationInterface translationInterface; /** Init OpenSSL library multithreading support */ static CCriticalSection** ppmutexOpenSSL; void locking_callback(int mode, int i, const char* file, int line) { if (mode & CRYPTO_LOCK) { ENTER_CRITICAL_SECTION(*ppmutexOpenSSL[i]); } else { LEAVE_CRITICAL_SECTION(*ppmutexOpenSSL[i]); } } // Init class CInit { public: CInit() { // Init OpenSSL library multithreading support ppmutexOpenSSL = (CCriticalSection**)OPENSSL_malloc(CRYPTO_num_locks() * sizeof(CCriticalSection*)); for (int i = 0; i < CRYPTO_num_locks(); i++) ppmutexOpenSSL[i] = new CCriticalSection(); CRYPTO_set_locking_callback(locking_callback); #ifdef WIN32 // Seed OpenSSL PRNG with current contents of the screen RAND_screen(); #endif // Seed OpenSSL PRNG with performance counter RandAddSeed(); } ~CInit() { // Securely erase the memory used by the PRNG RAND_cleanup(); // Shutdown OpenSSL library multithreading support CRYPTO_set_locking_callback(NULL); for (int i = 0; i < CRYPTO_num_locks(); i++) delete ppmutexOpenSSL[i]; OPENSSL_free(ppmutexOpenSSL); } } instance_of_cinit; /** * LogPrintf() has been broken a couple of times now * by well-meaning people adding mutexes in the most straightforward way. * It breaks because it may be called by global destructors during shutdown. * Since the order of destruction of static/global objects is undefined, * defining a mutex as a global object doesn't work (the mutex gets * destroyed, and then some later destructor calls OutputDebugStringF, * maybe indirectly, and you get a core dump at shutdown trying to lock * the mutex). */ static boost::once_flag debugPrintInitFlag = BOOST_ONCE_INIT; /** * We use boost::call_once() to make sure these are initialized * in a thread-safe manner the first time called: */ static FILE* fileout = NULL; static boost::mutex* mutexDebugLog = NULL; static void DebugPrintInit() { assert(fileout == NULL); assert(mutexDebugLog == NULL); boost::filesystem::path pathDebug = GetDataDir() / "debug.log"; fileout = fopen(pathDebug.string().c_str(), "a"); if (fileout) setbuf(fileout, NULL); // unbuffered mutexDebugLog = new boost::mutex(); } bool LogAcceptCategory(const char* category) { if (category != NULL) { if (!fDebug) return false; // Give each thread quick access to -debug settings. // This helps prevent issues debugging global destructors, // where mapMultiArgs might be deleted before another // global destructor calls LogPrint() static boost::thread_specific_ptr > ptrCategory; if (ptrCategory.get() == NULL) { const vector& categories = mapMultiArgs["-debug"]; ptrCategory.reset(new set(categories.begin(), categories.end())); // thread_specific_ptr automatically deletes the set when the thread ends. } const set& setCategories = *ptrCategory.get(); // if not debugging everything and not debugging specific category, LogPrint does nothing. if (setCategories.count(string("")) == 0 && setCategories.count(string("1")) == 0 && setCategories.count(string(category)) == 0) return false; } return true; } int LogPrintStr(const std::string &str) { int ret = 0; // Returns total number of characters written if (fPrintToConsole) { // print to console ret = fwrite(str.data(), 1, str.size(), stdout); fflush(stdout); } else if (fPrintToDebugLog && AreBaseParamsConfigured()) { static bool fStartedNewLine = true; boost::call_once(&DebugPrintInit, debugPrintInitFlag); if (fileout == NULL) return ret; boost::mutex::scoped_lock scoped_lock(*mutexDebugLog); // reopen the log file, if requested if (fReopenDebugLog) { fReopenDebugLog = false; boost::filesystem::path pathDebug = GetDataDir() / "debug.log"; if (freopen(pathDebug.string().c_str(),"a",fileout) != NULL) setbuf(fileout, NULL); // unbuffered } // Debug print useful for profiling if (fLogTimestamps && fStartedNewLine) ret += fprintf(fileout, "%s ", DateTimeStrFormat("%Y-%m-%d %H:%M:%S", GetTime()).c_str()); if (!str.empty() && str[str.size()-1] == '\n') fStartedNewLine = true; else fStartedNewLine = false; ret = fwrite(str.data(), 1, str.size(), fileout); } return ret; } static void InterpretNegativeSetting(string name, map& mapSettingsRet) { // interpret -nofoo as -foo=0 (and -nofoo=0 as -foo=1) as long as -foo not set if (name.find("-no") == 0) { std::string positive("-"); positive.append(name.begin()+3, name.end()); if (mapSettingsRet.count(positive) == 0) { bool value = !GetBoolArg(name, false); mapSettingsRet[positive] = (value ? "1" : "0"); } } } void ParseParameters(int argc, const char* const argv[]) { mapArgs.clear(); mapMultiArgs.clear(); for (int i = 1; i < argc; i++) { std::string str(argv[i]); std::string strValue; size_t is_index = str.find('='); if (is_index != std::string::npos) { strValue = str.substr(is_index+1); str = str.substr(0, is_index); } #ifdef WIN32 boost::to_lower(str); if (boost::algorithm::starts_with(str, "/")) str = "-" + str.substr(1); #endif if (str[0] != '-') break; // Interpret --foo as -foo. // If both --foo and -foo are set, the last takes effect. if (str.length() > 1 && str[1] == '-') str = str.substr(1); mapArgs[str] = strValue; mapMultiArgs[str].push_back(strValue); } // New 0.6 features: BOOST_FOREACH(const PAIRTYPE(string,string)& entry, mapArgs) { // interpret -nofoo as -foo=0 (and -nofoo=0 as -foo=1) as long as -foo not set InterpretNegativeSetting(entry.first, mapArgs); } } std::string GetArg(const std::string& strArg, const std::string& strDefault) { if (mapArgs.count(strArg)) return mapArgs[strArg]; return strDefault; } int64_t GetArg(const std::string& strArg, int64_t nDefault) { if (mapArgs.count(strArg)) return atoi64(mapArgs[strArg]); return nDefault; } bool GetBoolArg(const std::string& strArg, bool fDefault) { if (mapArgs.count(strArg)) { if (mapArgs[strArg].empty()) return true; return (atoi(mapArgs[strArg]) != 0); } return fDefault; } bool SoftSetArg(const std::string& strArg, const std::string& strValue) { if (mapArgs.count(strArg)) return false; mapArgs[strArg] = strValue; return true; } bool SoftSetBoolArg(const std::string& strArg, bool fValue) { if (fValue) return SoftSetArg(strArg, std::string("1")); else return SoftSetArg(strArg, std::string("0")); } static const int screenWidth = 79; static const int optIndent = 2; static const int msgIndent = 7; std::string HelpMessageGroup(const std::string &message) { return std::string(message) + std::string("\n\n"); } std::string HelpMessageOpt(const std::string &option, const std::string &message) { return std::string(optIndent,' ') + std::string(option) + std::string("\n") + std::string(msgIndent,' ') + FormatParagraph(message, screenWidth - msgIndent, msgIndent) + std::string("\n\n"); } static std::string FormatException(const std::exception* pex, const char* pszThread) { #ifdef WIN32 char pszModule[MAX_PATH] = ""; GetModuleFileNameA(NULL, pszModule, sizeof(pszModule)); #else const char* pszModule = "bitcoin"; #endif if (pex) return strprintf( "EXCEPTION: %s \n%s \n%s in %s \n", typeid(*pex).name(), pex->what(), pszModule, pszThread); else return strprintf( "UNKNOWN EXCEPTION \n%s in %s \n", pszModule, pszThread); } void PrintExceptionContinue(const std::exception* pex, const char* pszThread) { std::string message = FormatException(pex, pszThread); LogPrintf("\n\n************************\n%s\n", message); fprintf(stderr, "\n\n************************\n%s\n", message.c_str()); strMiscWarning = message; } boost::filesystem::path GetDefaultDataDir() { namespace fs = boost::filesystem; // Windows < Vista: C:\Documents and Settings\Username\Application Data\Bitcoin // Windows >= Vista: C:\Users\Username\AppData\Roaming\Bitcoin // Mac: ~/Library/Application Support/Bitcoin // Unix: ~/.bitcoin #ifdef WIN32 // Windows return GetSpecialFolderPath(CSIDL_APPDATA) / "Bitcoin"; #else fs::path pathRet; char* pszHome = getenv("HOME"); if (pszHome == NULL || strlen(pszHome) == 0) pathRet = fs::path("/"); else pathRet = fs::path(pszHome); #ifdef MAC_OSX // Mac pathRet /= "Library/Application Support"; TryCreateDirectory(pathRet); return pathRet / "Bitcoin"; #else // Unix return pathRet / ".bitcoin"; #endif #endif } static boost::filesystem::path pathCached; static boost::filesystem::path pathCachedNetSpecific; static CCriticalSection csPathCached; const boost::filesystem::path &GetDataDir(bool fNetSpecific) { namespace fs = boost::filesystem; LOCK(csPathCached); fs::path &path = fNetSpecific ? pathCachedNetSpecific : pathCached; // This can be called during exceptions by LogPrintf(), so we cache the // value so we don't have to do memory allocations after that. if (!path.empty()) return path; if (mapArgs.count("-datadir")) { path = fs::system_complete(mapArgs["-datadir"]); if (!fs::is_directory(path)) { path = ""; return path; } } else { path = GetDefaultDataDir(); } if (fNetSpecific) path /= BaseParams().DataDir(); fs::create_directories(path); return path; } void ClearDatadirCache() { pathCached = boost::filesystem::path(); pathCachedNetSpecific = boost::filesystem::path(); } boost::filesystem::path GetConfigFile() { boost::filesystem::path pathConfigFile(GetArg("-conf", "bitcoin.conf")); if (!pathConfigFile.is_complete()) pathConfigFile = GetDataDir(false) / pathConfigFile; return pathConfigFile; } void ReadConfigFile(map& mapSettingsRet, map >& mapMultiSettingsRet) { boost::filesystem::ifstream streamConfig(GetConfigFile()); if (!streamConfig.good()) return; // No bitcoin.conf file is OK set setOptions; setOptions.insert("*"); for (boost::program_options::detail::config_file_iterator it(streamConfig, setOptions), end; it != end; ++it) { // Don't overwrite existing settings so command line settings override bitcoin.conf string strKey = string("-") + it->string_key; if (mapSettingsRet.count(strKey) == 0) { mapSettingsRet[strKey] = it->value[0]; // interpret nofoo=1 as foo=0 (and nofoo=0 as foo=1) as long as foo not set) InterpretNegativeSetting(strKey, mapSettingsRet); } mapMultiSettingsRet[strKey].push_back(it->value[0]); } // If datadir is changed in .conf file: ClearDatadirCache(); } #ifndef WIN32 boost::filesystem::path GetPidFile() { boost::filesystem::path pathPidFile(GetArg("-pid", "bitcoind.pid")); if (!pathPidFile.is_complete()) pathPidFile = GetDataDir() / pathPidFile; return pathPidFile; } void CreatePidFile(const boost::filesystem::path &path, pid_t pid) { FILE* file = fopen(path.string().c_str(), "w"); if (file) { fprintf(file, "%d\n", pid); fclose(file); } } #endif bool RenameOver(boost::filesystem::path src, boost::filesystem::path dest) { #ifdef WIN32 return MoveFileExA(src.string().c_str(), dest.string().c_str(), MOVEFILE_REPLACE_EXISTING) != 0; #else int rc = std::rename(src.string().c_str(), dest.string().c_str()); return (rc == 0); #endif /* WIN32 */ } /** * Ignores exceptions thrown by Boost's create_directory if the requested directory exists. * Specifically handles case where path p exists, but it wasn't possible for the user to * write to the parent directory. */ bool TryCreateDirectory(const boost::filesystem::path& p) { try { return boost::filesystem::create_directory(p); } catch (const boost::filesystem::filesystem_error&) { if (!boost::filesystem::exists(p) || !boost::filesystem::is_directory(p)) throw; } // create_directory didn't create the directory, it had to have existed already return false; } void FileCommit(FILE *fileout) { fflush(fileout); // harmless if redundantly called #ifdef WIN32 HANDLE hFile = (HANDLE)_get_osfhandle(_fileno(fileout)); FlushFileBuffers(hFile); #else #if defined(__linux__) || defined(__NetBSD__) fdatasync(fileno(fileout)); #elif defined(__APPLE__) && defined(F_FULLFSYNC) fcntl(fileno(fileout), F_FULLFSYNC, 0); #else fsync(fileno(fileout)); #endif #endif } bool TruncateFile(FILE *file, unsigned int length) { #if defined(WIN32) return _chsize(_fileno(file), length) == 0; #else return ftruncate(fileno(file), length) == 0; #endif } /** * this function tries to raise the file descriptor limit to the requested number. * It returns the actual file descriptor limit (which may be more or less than nMinFD) */ int RaiseFileDescriptorLimit(int nMinFD) { #if defined(WIN32) return 2048; #else struct rlimit limitFD; if (getrlimit(RLIMIT_NOFILE, &limitFD) != -1) { if (limitFD.rlim_cur < (rlim_t)nMinFD) { limitFD.rlim_cur = nMinFD; if (limitFD.rlim_cur > limitFD.rlim_max) limitFD.rlim_cur = limitFD.rlim_max; setrlimit(RLIMIT_NOFILE, &limitFD); getrlimit(RLIMIT_NOFILE, &limitFD); } return limitFD.rlim_cur; } return nMinFD; // getrlimit failed, assume it's fine #endif } /** * this function tries to make a particular range of a file allocated (corresponding to disk space) * it is advisory, and the range specified in the arguments will never contain live data */ void AllocateFileRange(FILE *file, unsigned int offset, unsigned int length) { #if defined(WIN32) // Windows-specific version HANDLE hFile = (HANDLE)_get_osfhandle(_fileno(file)); LARGE_INTEGER nFileSize; int64_t nEndPos = (int64_t)offset + length; nFileSize.u.LowPart = nEndPos & 0xFFFFFFFF; nFileSize.u.HighPart = nEndPos >> 32; SetFilePointerEx(hFile, nFileSize, 0, FILE_BEGIN); SetEndOfFile(hFile); #elif defined(MAC_OSX) // OSX specific version fstore_t fst; fst.fst_flags = F_ALLOCATECONTIG; fst.fst_posmode = F_PEOFPOSMODE; fst.fst_offset = 0; fst.fst_length = (off_t)offset + length; fst.fst_bytesalloc = 0; if (fcntl(fileno(file), F_PREALLOCATE, &fst) == -1) { fst.fst_flags = F_ALLOCATEALL; fcntl(fileno(file), F_PREALLOCATE, &fst); } ftruncate(fileno(file), fst.fst_length); #elif defined(__linux__) // Version using posix_fallocate off_t nEndPos = (off_t)offset + length; posix_fallocate(fileno(file), 0, nEndPos); #else // Fallback version // TODO: just write one byte per block static const char buf[65536] = {}; fseek(file, offset, SEEK_SET); while (length > 0) { unsigned int now = 65536; if (length < now) now = length; fwrite(buf, 1, now, file); // allowed to fail; this function is advisory anyway length -= now; } #endif } void ShrinkDebugFile() { // Scroll debug.log if it's getting too big boost::filesystem::path pathLog = GetDataDir() / "debug.log"; FILE* file = fopen(pathLog.string().c_str(), "r"); if (file && boost::filesystem::file_size(pathLog) > 10 * 1000000) { // Restart the file with some of the end std::vector vch(200000,0); fseek(file, -((long)vch.size()), SEEK_END); int nBytes = fread(begin_ptr(vch), 1, vch.size(), file); fclose(file); file = fopen(pathLog.string().c_str(), "w"); if (file) { fwrite(begin_ptr(vch), 1, nBytes, file); fclose(file); } } else if (file != NULL) fclose(file); } #ifdef WIN32 boost::filesystem::path GetSpecialFolderPath(int nFolder, bool fCreate) { namespace fs = boost::filesystem; char pszPath[MAX_PATH] = ""; if(SHGetSpecialFolderPathA(NULL, pszPath, nFolder, fCreate)) { return fs::path(pszPath); } LogPrintf("SHGetSpecialFolderPathA() failed, could not obtain requested path.\n"); return fs::path(""); } #endif boost::filesystem::path GetTempPath() { #if BOOST_FILESYSTEM_VERSION == 3 return boost::filesystem::temp_directory_path(); #else // TODO: remove when we don't support filesystem v2 anymore boost::filesystem::path path; #ifdef WIN32 char pszPath[MAX_PATH] = ""; if (GetTempPathA(MAX_PATH, pszPath)) path = boost::filesystem::path(pszPath); #else path = boost::filesystem::path("/tmp"); #endif if (path.empty() || !boost::filesystem::is_directory(path)) { LogPrintf("GetTempPath(): failed to find temp path\n"); return boost::filesystem::path(""); } return path; #endif } void runCommand(const std::string& strCommand) { int nErr = ::system(strCommand.c_str()); if (nErr) LogPrintf("runCommand error: system(%s) returned %d\n", strCommand, nErr); } void RenameThread(const char* name) { #if defined(PR_SET_NAME) // Only the first 15 characters are used (16 - NUL terminator) ::prctl(PR_SET_NAME, name, 0, 0, 0); #elif (defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)) pthread_set_name_np(pthread_self(), name); #elif defined(MAC_OSX) pthread_setname_np(name); #else // Prevent warnings for unused parameters... (void)name; #endif } void SetupEnvironment() { // On most POSIX systems (e.g. Linux, but not BSD) the environment's locale // may be invalid, in which case the "C" locale is used as fallback. #if !defined(WIN32) && !defined(MAC_OSX) && !defined(__FreeBSD__) && !defined(__OpenBSD__) try { std::locale(""); // Raises a runtime error if current locale is invalid } catch (const std::runtime_error&) { setenv("LC_ALL", "C", 1); } #endif // The path locale is lazy initialized and to avoid deinitialization errors // in multithreading environments, it is set explicitly by the main thread. // A dummy locale is used to extract the internal default locale, used by // boost::filesystem::path, which is then used to explicitly imbue the path. std::locale loc = boost::filesystem::path::imbue(std::locale::classic()); boost::filesystem::path::imbue(loc); } void SetThreadPriority(int nPriority) { #ifdef WIN32 SetThreadPriority(GetCurrentThread(), nPriority); #else // WIN32 #ifdef PRIO_THREAD setpriority(PRIO_THREAD, 0, nPriority); #else // PRIO_THREAD setpriority(PRIO_PROCESS, 0, nPriority); #endif // PRIO_THREAD #endif // WIN32 } + +int GetNumCores() +{ +#if BOOST_VERSION >= 105600 + return boost::thread::physical_concurrency(); +#else // Must fall back to hardware_concurrency, which unfortunately counts virtual cores + return boost::thread::hardware_concurrency(); +#endif +} + diff --git a/src/util.h b/src/util.h index 6ec81698ea..6019e25015 100644 --- a/src/util.h +++ b/src/util.h @@ -1,233 +1,240 @@ // Copyright (c) 2009-2010 Satoshi Nakamoto // Copyright (c) 2009-2014 The Bitcoin Core developers // Distributed under the MIT software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. /** * Server/client environment: argument handling, config file parsing, * logging, thread wrappers */ #ifndef BITCOIN_UTIL_H #define BITCOIN_UTIL_H #if defined(HAVE_CONFIG_H) #include "config/bitcoin-config.h" #endif #include "compat.h" #include "tinyformat.h" #include "utiltime.h" #include #include #include #include #include #include #include #include /** Signals for translation. */ class CTranslationInterface { public: /** Translate a message to the native language of the user. */ boost::signals2::signal Translate; }; extern std::map mapArgs; extern std::map > mapMultiArgs; extern bool fDebug; extern bool fPrintToConsole; extern bool fPrintToDebugLog; extern bool fServer; extern std::string strMiscWarning; extern bool fLogTimestamps; extern bool fLogIPs; extern volatile bool fReopenDebugLog; extern CTranslationInterface translationInterface; /** * Translation function: Call Translate signal on UI interface, which returns a boost::optional result. * If no translation slot is registered, nothing is returned, and simply return the input. */ inline std::string _(const char* psz) { boost::optional rv = translationInterface.Translate(psz); return rv ? (*rv) : psz; } void SetupEnvironment(); /** Return true if log accepts specified category */ bool LogAcceptCategory(const char* category); /** Send a string to the log output */ int LogPrintStr(const std::string &str); #define LogPrintf(...) LogPrint(NULL, __VA_ARGS__) /** * When we switch to C++11, this can be switched to variadic templates instead * of this macro-based construction (see tinyformat.h). */ #define MAKE_ERROR_AND_LOG_FUNC(n) \ /** Print to debug.log if -debug=category switch is given OR category is NULL. */ \ template \ static inline int LogPrint(const char* category, const char* format, TINYFORMAT_VARARGS(n)) \ { \ if(!LogAcceptCategory(category)) return 0; \ return LogPrintStr(tfm::format(format, TINYFORMAT_PASSARGS(n))); \ } \ /** Log error and return false */ \ template \ static inline bool error(const char* format, TINYFORMAT_VARARGS(n)) \ { \ LogPrintStr("ERROR: " + tfm::format(format, TINYFORMAT_PASSARGS(n)) + "\n"); \ return false; \ } TINYFORMAT_FOREACH_ARGNUM(MAKE_ERROR_AND_LOG_FUNC) /** * Zero-arg versions of logging and error, these are not covered by * TINYFORMAT_FOREACH_ARGNUM */ static inline int LogPrint(const char* category, const char* format) { if(!LogAcceptCategory(category)) return 0; return LogPrintStr(format); } static inline bool error(const char* format) { LogPrintStr(std::string("ERROR: ") + format + "\n"); return false; } void PrintExceptionContinue(const std::exception *pex, const char* pszThread); void ParseParameters(int argc, const char*const argv[]); void FileCommit(FILE *fileout); bool TruncateFile(FILE *file, unsigned int length); int RaiseFileDescriptorLimit(int nMinFD); void AllocateFileRange(FILE *file, unsigned int offset, unsigned int length); bool RenameOver(boost::filesystem::path src, boost::filesystem::path dest); bool TryCreateDirectory(const boost::filesystem::path& p); boost::filesystem::path GetDefaultDataDir(); const boost::filesystem::path &GetDataDir(bool fNetSpecific = true); void ClearDatadirCache(); boost::filesystem::path GetConfigFile(); #ifndef WIN32 boost::filesystem::path GetPidFile(); void CreatePidFile(const boost::filesystem::path &path, pid_t pid); #endif void ReadConfigFile(std::map& mapSettingsRet, std::map >& mapMultiSettingsRet); #ifdef WIN32 boost::filesystem::path GetSpecialFolderPath(int nFolder, bool fCreate = true); #endif boost::filesystem::path GetTempPath(); void ShrinkDebugFile(); void runCommand(const std::string& strCommand); inline bool IsSwitchChar(char c) { #ifdef WIN32 return c == '-' || c == '/'; #else return c == '-'; #endif } /** * Return string argument or default value * * @param strArg Argument to get (e.g. "-foo") * @param default (e.g. "1") * @return command-line argument or default value */ std::string GetArg(const std::string& strArg, const std::string& strDefault); /** * Return integer argument or default value * * @param strArg Argument to get (e.g. "-foo") * @param default (e.g. 1) * @return command-line argument (0 if invalid number) or default value */ int64_t GetArg(const std::string& strArg, int64_t nDefault); /** * Return boolean argument or default value * * @param strArg Argument to get (e.g. "-foo") * @param default (true or false) * @return command-line argument or default value */ bool GetBoolArg(const std::string& strArg, bool fDefault); /** * Set an argument if it doesn't already have a value * * @param strArg Argument to set (e.g. "-foo") * @param strValue Value (e.g. "1") * @return true if argument gets set, false if it already had a value */ bool SoftSetArg(const std::string& strArg, const std::string& strValue); /** * Set a boolean argument if it doesn't already have a value * * @param strArg Argument to set (e.g. "-foo") * @param fValue Value (e.g. false) * @return true if argument gets set, false if it already had a value */ bool SoftSetBoolArg(const std::string& strArg, bool fValue); /** * Format a string to be used as group of options in help messages * * @param message Group name (e.g. "RPC server options:") * @return the formatted string */ std::string HelpMessageGroup(const std::string& message); /** * Format a string to be used as option description in help messages * * @param option Option message (e.g. "-rpcuser=") * @param message Option description (e.g. "Username for JSON-RPC connections") * @return the formatted string */ std::string HelpMessageOpt(const std::string& option, const std::string& message); +/** + * Return the number of physical cores available on the current system. + * @note This does not count virtual cores, such as those provided by HyperThreading + * when boost is newer than 1.56. + */ +int GetNumCores(); + void SetThreadPriority(int nPriority); void RenameThread(const char* name); /** * .. and a wrapper that just calls func once */ template void TraceThread(const char* name, Callable func) { std::string s = strprintf("bitcoin-%s", name); RenameThread(s.c_str()); try { LogPrintf("%s thread start\n", name); func(); LogPrintf("%s thread exit\n", name); } catch (const boost::thread_interrupted&) { LogPrintf("%s thread interrupt\n", name); throw; } catch (const std::exception& e) { PrintExceptionContinue(&e, name); throw; } catch (...) { PrintExceptionContinue(NULL, name); throw; } } #endif // BITCOIN_UTIL_H