// 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 "chain.h" #include "chainparams.h" #include "checkpoints.h" #include "compat/sanity.h" #include "consensus/validation.h" #include "httpserver.h" #include "httprpc.h" #include "key.h" #include "main.h" #include "miner.h" #include "net.h" #include "policy/policy.h" #include "rpcserver.h" #include "script/standard.h" #include "scheduler.h" #include "txdb.h" #include "txmempool.h" #include "ui_interface.h" #include "util.h" #include "utilmoneystr.h" #include "utilstrencodings.h" #include "validationinterface.h" #ifdef ENABLE_WALLET #include "wallet/db.h" #include "wallet/wallet.h" #include "wallet/walletdb.h" #endif #include #include #ifndef WIN32 #include #endif #include #include #include #include #include #include #include #include #if ENABLE_ZMQ #include "zmq/zmqnotificationinterface.h" #endif using namespace std; #ifdef ENABLE_WALLET CWallet* pwalletMain = NULL; #endif bool fFeeEstimatesInitialized = false; #if ENABLE_ZMQ static CZMQNotificationInterface* pzmqNotificationInterface = NULL; #endif #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 Interrupt(boost::thread_group& threadGroup) { InterruptHTTPServer(); InterruptHTTPRPC(); InterruptRPC(); InterruptREST(); threadGroup.interrupt_all(); } 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); StopHTTPRPC(); StopREST(); StopRPC(); StopHTTPServer(); #ifdef ENABLE_WALLET if (pwalletMain) pwalletMain->Flush(false); #endif GenerateBitcoins(false, 0, Params()); 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 #if ENABLE_ZMQ if (pzmqNotificationInterface) { UnregisterValidationInterface(pzmqNotificationInterface); delete pzmqNotificationInterface; pzmqNotificationInterface = NULL; } #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)"), DEFAULT_CHECKBLOCKS)); strUsage += HelpMessageOpt("-checklevel=", strprintf(_("How thorough the block verification of -checkblocks is (0-4, default: %u)"), DEFAULT_CHECKLEVEL)); strUsage += HelpMessageOpt("-conf=", strprintf(_("Specify configuration file (default: %s)"), "bitcoin.conf")); if (mode == HMM_BITCOIND) { #ifndef 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("-maxmempool=", strprintf(_("Keep the transaction memory pool below megabytes (default: %u)"), DEFAULT_MAX_MEMPOOL_SIZE)); strUsage += HelpMessageOpt("-mempoolexpiry=", strprintf(_("Do not keep transactions in the mempool longer than hours (default: %u)"), DEFAULT_MEMPOOL_EXPIRY)); strUsage += HelpMessageOpt("-par=", strprintf(_("Set the number of script verification threads (%u to %d, 0 = auto, <0 = leave that many cores free, default: %d)"), -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 is incompatible with -txindex and -rescan. " "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")); #ifndef 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)"), DEFAULT_MAX_PEER_CONNECTIONS)); 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")); strUsage += HelpMessageOpt("-maxuploadtarget=", strprintf(_("Tries to keep outbound traffic under the given target (in MiB per 24h), 0 = no limit (default: %d)"), 0)); #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 %s/kB) smaller than this are considered zero fee for transaction creation (default: %s)", CURRENCY_UNIT, FormatMoney(DEFAULT_TRANSACTION_MINFEE))); strUsage += HelpMessageOpt("-paytxfee=", strprintf(_("Fee (in %s/kB) to add to transactions you send (default: %s)"), CURRENCY_UNIT, 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 (in %s) to use in a single wallet transaction; setting this too low may abort large transactions (default: %s)"), CURRENCY_UNIT, 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 #if ENABLE_ZMQ strUsage += HelpMessageGroup(_("ZeroMQ notification options:")); strUsage += HelpMessageOpt("-zmqpubhashblock=
", _("Enable publish hash block in
")); strUsage += HelpMessageOpt("-zmqpubhashtransaction=
", _("Enable publish hash transaction in
")); strUsage += HelpMessageOpt("-zmqpubrawblock=
", _("Enable publish raw block in
")); strUsage += HelpMessageOpt("-zmqpubrawtransaction=
", _("Enable publish raw transaction in
")); #endif strUsage += HelpMessageGroup(_("Debugging/Testing options:")); if (showDebug) { strUsage += HelpMessageOpt("-checkpoints", strprintf("Disable expensive verification for known chain history (default: %u)", 1)); #ifdef ENABLE_WALLET strUsage += HelpMessageOpt("-dblogsize=", strprintf("Flush wallet database activity from memory to disk log every megabytes (default: %u)", DEFAULT_WALLET_DBLOGSIZE)); #endif 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"); #ifdef ENABLE_WALLET strUsage += HelpMessageOpt("-flushwallet", strprintf("Run a thread to flush wallet periodically (default: %u)", 1)); #endif strUsage += HelpMessageOpt("-stopafterblockimport", strprintf("Stop running after importing blocks from disk (default: %u)", 0)); strUsage += HelpMessageOpt("-limitancestorcount=", strprintf("Do not accept transactions if number of in-mempool ancestors is or more (default: %u)", DEFAULT_ANCESTOR_LIMIT)); strUsage += HelpMessageOpt("-limitancestorsize=", strprintf("Do not accept transactions whose size with all in-mempool ancestors exceeds kilobytes (default: %u)", DEFAULT_ANCESTOR_SIZE_LIMIT)); strUsage += HelpMessageOpt("-limitdescendantcount=", strprintf("Do not accept transactions if any ancestor would have or more in-mempool descendants (default: %u)", DEFAULT_DESCENDANT_LIMIT)); strUsage += HelpMessageOpt("-limitdescendantsize=", strprintf("Do not accept transactions if any ancestor would have more than kilobytes of in-mempool descendants (default: %u).", DEFAULT_DESCENDANT_SIZE_LIMIT)); } string debugCategories = "addrman, alert, bench, coindb, db, lock, rand, rpc, selectcoins, mempool, mempoolrej, net, proxy, prune, http, libevent"; // 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 + "."); 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)"), DEFAULT_GENERATE_THREADS)); 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("-logtimemicros", strprintf("Add microsecond precision to debug timestamps (default: %u)", DEFAULT_LOGTIMEMICROS)); 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 %s/kB) smaller than this are considered zero fee for relaying, mining and transaction creation (default: %s)"), CURRENCY_UNIT, 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("-shrinkdebugfile", _("Shrink debug.log file on client startup (default: 1 when no -debug)")); AppendParamsHelpMessages(strUsage, showDebug); strUsage += HelpMessageGroup(_("Node relay options:")); if (showDebug) strUsage += HelpMessageOpt("-acceptnonstdtxn", strprintf("Relay and mine \"non-standard\" transactions (%sdefault: %u)", "testnet/regtest only; ", !Params(CBaseChainParams::TESTNET).RequireStandard())); 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)"), DEFAULT_HTTP_THREADS)); if (showDebug) { strUsage += HelpMessageOpt("-rpcworkqueue=", strprintf("Set the depth of the work queue to service RPC calls (default: %d)", DEFAULT_HTTP_WORKQUEUE)); strUsage += HelpMessageOpt("-rpcservertimeout=", strprintf("Timeout during HTTP requests (default: %d)", DEFAULT_HTTP_SERVER_TIMEOUT)); } 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)")); if (showDebug) { strUsage += HelpMessageOpt("-uiplatform", "Select platform to customize UI for (one of windows, macosx, other; default: platform compiled on)"); } } return strUsage; } std::string LicenseInfo() { // todo: remove urls from translations on next change 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; } bool AppInitServers(boost::thread_group& threadGroup) { RPCServer::OnStopped(&OnRPCStopped); RPCServer::OnPreCommand(&OnRPCPreCommand); if (!InitHTTPServer()) return false; if (!StartRPC()) return false; if (!StartHTTPRPC()) return false; if (GetBoolArg("-rest", false) && !StartREST()) return false; if (!StartHTTPServer(threadGroup)) 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); #endif if (!SetupNetworking()) return InitError("Initializing networking failed"); #ifndef WIN32 if (GetBoolArg("-sysperms", false)) { #ifdef ENABLE_WALLET if (!GetBoolArg("-disablewallet", false)) return InitError("-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); // Ignore SIGPIPE, otherwise it will bring the daemon down if the client closes unexpectedly signal(SIGPIPE, SIG_IGN); #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); fLogTimeMicros = GetBoolArg("-logtimemicros", DEFAULT_LOGTIMEMICROS); fLogIPs = GetBoolArg("-logips", false); 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); // 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__); } // 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 } // Make sure enough file descriptors are available int nBind = std::max((int)mapArgs.count("-bind") + (int)mapArgs.count("-whitebind"), 1); int nUserMaxConnections = GetArg("-maxconnections", DEFAULT_MAX_PEER_CONNECTIONS); nMaxConnections = std::max(nUserMaxConnections, 0); // Trim requested connection counts, to fit into system limitations 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.")); nMaxConnections = std::min(nFD - MIN_CORE_FILEDESCRIPTORS, nMaxConnections); if (nMaxConnections < nUserMaxConnections) InitWarning(strprintf(_("Reducing -maxconnections from %d to %d, because of system limitations."), nUserMaxConnections, nMaxConnections)); // ********************************************************* 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(_("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(_("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(_("Unsupported argument -tor found, use -onion.")); if (GetBoolArg("-benchmark", false)) InitWarning(_("Unsupported argument -benchmark ignored, use -debug=bench.")); // Checkmempool and checkblockindex default to true in regtest mode int ratio = std::min(std::max(GetArg("-checkmempool", chainparams.DefaultConsistencyChecks() ? 1 : 0), 0), 1000000); if (ratio != 0) { mempool.setSanityCheck(1.0 / ratio); } fCheckBlockIndex = GetBoolArg("-checkblockindex", chainparams.DefaultConsistencyChecks()); fCheckpointsEnabled = GetBoolArg("-checkpoints", true); // -mempoollimit limits int64_t nMempoolSizeLimit = GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000; int64_t nMempoolDescendantSizeLimit = GetArg("-limitdescendantsize", DEFAULT_DESCENDANT_SIZE_LIMIT) * 1000; if (nMempoolSizeLimit < 0 || nMempoolSizeLimit < nMempoolDescendantSizeLimit * 40) return InitError(strprintf(_("-maxmempool must be at least %d MB"), GetArg("-limitdescendantsize", DEFAULT_DESCENDANT_SIZE_LIMIT) / 25)); // -par=0 means autodetect, but nScriptCheckThreads==0 means no concurrency nScriptCheckThreads = GetArg("-par", DEFAULT_SCRIPTCHECK_THREADS); if (nScriptCheckThreads <= 0) 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 MiB) 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 MiB. 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"])); } fRequireStandard = !GetBoolArg("-acceptnonstdtxn", !Params().RequireStandard()); if (Params().RequireStandard() && !fRequireStandard) return InitError(strprintf("acceptnonstdtxn is not currently supported for %s chain", chainparams.NetworkIDString())); #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(_("-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(_("-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 if (GetBoolArg("-peerbloomfilters", true)) nLocalServices |= NODE_BLOOM; // ********************************************************* 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(); if (fPrintToDebugLog) OpenDebugLog(); 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); if (!AppInitServers(threadGroup)) return InitError(_("Unable to start HTTP server. See debug log for details.")); } 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(errorString); } // (!fDisableWallet) #endif // ENABLE_WALLET // ********************************************************* Step 6: network initialization RegisterNodeSignals(GetNodeSignals()); // sanitize comments per BIP-0014, format user agent and check total size std::vector uacomments; BOOST_FOREACH(string cmt, mapMultiArgs["-uacomment"]) { if (cmt != SanitizeString(cmt, SAFE_CHARS_UA_COMMENT)) return InitError(strprintf(_("User Agent comment (%s) contains unsafe characters."), cmt)); uacomments.push_back(SanitizeString(cmt, SAFE_CHARS_UA_COMMENT)); } strSubVersion = FormatSubVersion(CLIENT_NAME, CLIENT_VERSION, uacomments); if (strSubVersion.size() > MAX_SUBVERSION_LENGTH) { return InitError(strprintf(_("Total length of network version string (%i) exceeds maximum length (%i). Reduce the number or size of uacomments."), strSubVersion.size(), MAX_SUBVERSION_LENGTH)); } 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); #if ENABLE_ZMQ pzmqNotificationInterface = CZMQNotificationInterface::CreateWithArguments(mapArgs); if (pzmqNotificationInterface) { RegisterValidationInterface(pzmqNotificationInterface); } #endif if (mapArgs.count("-maxuploadtarget")) { CNode::SetMaxOutboundTarget(GetArg("-maxuploadtarget", 0)*1024*1024); } // ********************************************************* 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", DEFAULT_CHECKBLOCKS) > 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", DEFAULT_CHECKBLOCKS)); } { LOCK(cs_main); CBlockIndex* tip = chainActive.Tip(); if (tip && tip->nTime > GetAdjustedTime() + 2 * 60 * 60) { strLoadError = _("The block database contains a block which appears to be from the future. " "This may be due to your computer's date and time being set incorrectly. " "Only rebuild the block database if you are sure that your computer's date and time are correct"); break; } } if (!CVerifyDB().VerifyDB(pcoinsdbview, GetArg("-checklevel", DEFAULT_CHECKLEVEL), GetArg("-checkblocks", DEFAULT_CHECKBLOCKS))) { 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; // ********************************************************* 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) { InitWarning(_("Error reading wallet.dat! All keys read correctly, but transaction data" " or address book entries might be missing or incorrect.")); } 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: data directory maintenance // if pruning, unset the service bit and perform the initial blockstore prune // after any wallet rescanning has taken place. if (fPruneMode) { LogPrintf("Unsetting NODE_NETWORK on prune mode\n"); nLocalServices &= ~NODE_NETWORK; if (!fReindex) { uiInterface.InitMessage(_("Pruning blockstore...")); PruneAndFlush(); } } // ********************************************************* Step 10: 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 11: 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); // Generate coins in the background GenerateBitcoins(GetBoolArg("-gen", false), GetArg("-genproclimit", DEFAULT_GENERATE_THREADS), Params()); // ********************************************************* Step 12: 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; }