diff options
Diffstat (limited to 'src/init.cpp')
| -rw-r--r-- | src/init.cpp | 1656 |
1 files changed, 1176 insertions, 480 deletions
diff --git a/src/init.cpp b/src/init.cpp index 4ab7bdc42..b8e095c12 100644 --- a/src/init.cpp +++ b/src/init.cpp @@ -1,96 +1,213 @@ // Copyright (c) 2009-2010 Satoshi Nakamoto -// Copyright (c) 2009-2012 The Bitcoin developers -// Distributed under the MIT/X11 software license, see the accompanying +// 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 "db.h" -#include "walletdb.h" -#include "bitcoinrpc.h" -#include "net.h" + +#if defined(HAVE_CONFIG_H) +#include "config/bitcoin-config.h" +#endif + #include "init.h" -#include "util.h" + +#include "addrman.h" +#include "amount.h" +#include "checkpoints.h" +#include "compat/sanity.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 <boost/filesystem.hpp> -#include <boost/filesystem/fstream.hpp> -#include <boost/filesystem/convenience.hpp> -#include <boost/interprocess/sync/file_lock.hpp> -#include <boost/algorithm/string/predicate.hpp> +#include "util.h" +#include "utilmoneystr.h" +#include "validationinterface.h" +#ifdef ENABLE_WALLET +#include "wallet/wallet.h" +#include "wallet/walletdb.h" +#endif + +#include <stdint.h> +#include <stdio.h> #ifndef WIN32 #include <signal.h> #endif +#include <boost/algorithm/string/predicate.hpp> +#include <boost/algorithm/string/replace.hpp> +#include <boost/bind.hpp> +#include <boost/filesystem.hpp> +#include <boost/function.hpp> +#include <boost/interprocess/sync/file_lock.hpp> +#include <boost/thread.hpp> +#include <openssl/crypto.h> + using namespace std; -using namespace boost; -CWallet* pwalletMain; -CClientUIInterface uiInterface; +#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 // -void ExitTimeout(void* parg) -{ -#ifdef WIN32 - Sleep(5000); - ExitProcess(0); -#endif -} +// +// 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() { -#ifdef QT_GUI - // ensure we leave the Qt main loop for a clean GUI exit (Shutdown() is called in bitcoin.cpp afterwards) - uiInterface.QueueShutdown(); -#else - // Without UI, Shutdown() can simply be started in a new thread - CreateThread(Shutdown, NULL); -#endif + fRequestShutdown = true; +} +bool ShutdownRequested() +{ + return fRequestShutdown; } -void Shutdown(void* parg) +class CCoinsViewErrorCatcher : public CCoinsViewBacked { - static CCriticalSection cs_Shutdown; - static bool fTaken; - bool fFirstThread = false; - { - TRY_LOCK(cs_Shutdown, lockShutdown); - if (lockShutdown) - { - fFirstThread = !fTaken; - fTaken = true; +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(); } } - static bool fExit; - if (fFirstThread) - { - fShutdown = true; - nTransactionsUpdated++; - bitdb.Flush(false); - StopNode(); - bitdb.Flush(true); - boost::filesystem::remove(GetPidFile()); - UnregisterWallet(pwalletMain); - delete pwalletMain; - CreateThread(ExitTimeout, NULL); - Sleep(50); - printf("Bitcoin exited\n\n"); - fExit = true; -#ifndef QT_GUI - // ensure non UI client get's exited here, but let Bitcoin-Qt reach return 0; in bitcoin.cpp - exit(0); + // 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; } - else + { - while (!fExit) - Sleep(500); - Sleep(100); - ExitThread(0); + 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; @@ -101,209 +218,403 @@ 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"); +} -////////////////////////////////////////////////////////////////////////////// -// -// Start -// -#if !defined(QT_GUI) -bool AppInit(int argc, char* argv[]) +void OnRPCPreCommand(const CRPCCommand& cmd) { - bool fRet = false; - try - { - // - // Parameters - // - // If Qt is used, parameters/bitcoin.conf are parsed in qt/bitcoin.cpp's main() - ParseParameters(argc, argv); - if (!boost::filesystem::is_directory(GetDataDir(false))) - { - fprintf(stderr, "Error: Specified directory does not exist\n"); - Shutdown(NULL); - } - ReadConfigFile(mapArgs, mapMultiArgs); + // 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); +} - if (mapArgs.count("-?") || mapArgs.count("--help")) - { - // First part of help message is specific to bitcoind / RPC client - std::string strUsage = _("Bitcoin version") + " " + FormatFullVersion() + "\n\n" + - _("Usage:") + "\n" + - " bitcoind [options] " + "\n" + - " bitcoind [options] <command> [params] " + _("Send command to -server or bitcoind") + "\n" + - " bitcoind [options] help " + _("List commands") + "\n" + - " bitcoind [options] help <command> " + _("Get help for a command") + "\n"; +std::string HelpMessage(HelpMessageMode mode) +{ - strUsage += "\n" + HelpMessage(); + // When adding new options to the categories, please keep and ensure alphabetical ordering. + string strUsage = HelpMessageGroup(_("Options:")); + strUsage += HelpMessageOpt("-?", _("This help message")); + strUsage += HelpMessageOpt("-alertnotify=<cmd>", _("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=<cmd>", _("Execute command when the best block changes (%s in cmd is replaced by block hash)")); + strUsage += HelpMessageOpt("-checkblocks=<n>", strprintf(_("How many blocks to check at startup (default: %u, 0 = all)"), 288)); + strUsage += HelpMessageOpt("-checklevel=<n>", strprintf(_("How thorough the block verification of -checkblocks is (0-4, default: %u)"), 3)); + strUsage += HelpMessageOpt("-conf=<file>", 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=<dir>", _("Specify data directory")); + strUsage += HelpMessageOpt("-dbcache=<n>", strprintf(_("Set database cache size in megabytes (%d to %d, default: %d)"), nMinDbCache, nMaxDbCache, nDefaultDbCache)); + strUsage += HelpMessageOpt("-loadblock=<file>", _("Imports blocks from external blk000??.dat file") + " " + _("on startup")); + strUsage += HelpMessageOpt("-maxorphantx=<n>", strprintf(_("Keep at most <n> unconnectable transactions in memory (default: %u)"), DEFAULT_MAX_ORPHAN_TRANSACTIONS)); + strUsage += HelpMessageOpt("-par=<n>", 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)); +#ifndef WIN32 + strUsage += HelpMessageOpt("-pid=<file>", strprintf(_("Specify pid file (default: %s)"), "bitcoind.pid")); +#endif + strUsage += HelpMessageOpt("-prune=<n>", 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=<ip>", _("Add a node to connect to and attempt to keep the connection open")); + strUsage += HelpMessageOpt("-banscore=<n>", strprintf(_("Threshold for disconnecting misbehaving peers (default: %u)"), 100)); + strUsage += HelpMessageOpt("-bantime=<n>", strprintf(_("Number of seconds to keep misbehaving peers from reconnecting (default: %u)"), 86400)); + strUsage += HelpMessageOpt("-bind=<addr>", _("Bind to given address and always listen on it. Use [host]:port notation for IPv6")); + strUsage += HelpMessageOpt("-connect=<ip>", _("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=<ip>", _("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=<n>", strprintf(_("Maintain at most <n> connections to peers (default: %u)"), 125)); + strUsage += HelpMessageOpt("-maxreceivebuffer=<n>", strprintf(_("Maximum per-connection receive buffer, <n>*1000 bytes (default: %u)"), 5000)); + strUsage += HelpMessageOpt("-maxsendbuffer=<n>", strprintf(_("Maximum per-connection send buffer, <n>*1000 bytes (default: %u)"), 1000)); + strUsage += HelpMessageOpt("-onion=<ip:port>", strprintf(_("Use separate SOCKS5 proxy to reach peers via Tor hidden services (default: %s)"), "-proxy")); + strUsage += HelpMessageOpt("-onlynet=<net>", _("Only connect to nodes in network <net> (ipv4, ipv6 or onion)")); + strUsage += HelpMessageOpt("-permitbaremultisig", strprintf(_("Relay non-P2SH multisig (default: %u)"), 1)); + strUsage += HelpMessageOpt("-port=<port>", strprintf(_("Listen for connections on <port> (default: %u or testnet: %u)"), 8333, 18333)); + strUsage += HelpMessageOpt("-proxy=<ip:port>", _("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=<ip>", _("Connect to a node to retrieve peer addresses, and disconnect")); + strUsage += HelpMessageOpt("-timeout=<n>", 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)")); +#else + strUsage += HelpMessageOpt("-upnp", strprintf(_("Use UPnP to map the listening port (default: %u)"), 0)); +#endif +#endif + strUsage += HelpMessageOpt("-whitebind=<addr>", _("Bind to given address and whitelist peers connecting to it. Use [host]:port notation for IPv6")); + strUsage += HelpMessageOpt("-whitelist=<netmask>", _("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=<n>", strprintf(_("Set key pool size to <n> (default: %u)"), 100)); + if (GetBoolArg("-help-debug", false)) + strUsage += HelpMessageOpt("-mintxfee=<amt>", strprintf(_("Fees (in BTC/Kb) smaller than this are considered zero fee for transaction creation (default: %s)"), + FormatMoney(CWallet::minTxFee.GetFeePerK()))); + strUsage += HelpMessageOpt("-paytxfee=<amt>", 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=<n>", 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=<amt>", 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=<file>", _("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=<cmd>", _("Execute command when a wallet transaction changes (%s in cmd is replaced by TxID)")); + strUsage += HelpMessageOpt("-zapwallettxes=<mode>", _("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 - fprintf(stderr, "%s", strUsage.c_str()); - return false; + strUsage += HelpMessageGroup(_("Debugging/Testing options:")); + if (GetBoolArg("-help-debug", false)) + { + strUsage += HelpMessageOpt("-checkpoints", strprintf(_("Only accept block chain matching built-in checkpoints (default: %u)"), 1)); + strUsage += HelpMessageOpt("-dblogsize=<n>", strprintf(_("Flush database activity from memory pool to disk log every <n> 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=<n>", _("Randomly drop 1 of every <n> network messages")); + strUsage += HelpMessageOpt("-fuzzmessagestest=<n>", _("Randomly fuzz 1 of every <n> 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=<category>", strprintf(_("Output debugging information (default: %u, supplying <category> is optional)"), 0) + ". " + + _("If <category> is not supplied, output all debugging information.") + _("<category> can be:") + " " + debugCategories + "."); +#ifdef ENABLE_WALLET + strUsage += HelpMessageOpt("-gen", strprintf(_("Generate coins (default: %u)"), 0)); + strUsage += HelpMessageOpt("-genproclimit=<n>", 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 (GetBoolArg("-help-debug", false)) + { + strUsage += HelpMessageOpt("-limitfreerelay=<n>", strprintf(_("Continuously rate-limit free transactions to <n>*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=<n>", strprintf(_("Limit size of signature cache to <n> entries (default: %u)"), 50000)); + } + strUsage += HelpMessageOpt("-minrelaytxfee=<amt>", 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 (GetBoolArg("-help-debug", false)) + { + 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.") + " " + + _("In this mode -genproclimit controls how many blocks are generated immediately.")); + } + 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=<n>", strprintf(_("Set minimum block size in bytes (default: %u)"), 0)); + strUsage += HelpMessageOpt("-blockmaxsize=<n>", strprintf(_("Set maximum block size in bytes (default: %d)"), DEFAULT_BLOCK_MAX_SIZE)); + strUsage += HelpMessageOpt("-blockprioritysize=<n>", strprintf(_("Set maximum size of high-priority/low-fee transactions in bytes (default: %d)"), DEFAULT_BLOCK_PRIORITY_SIZE)); + + 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=<addr>", _("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=<user>", _("Username for JSON-RPC connections")); + strUsage += HelpMessageOpt("-rpcpassword=<pw>", _("Password for JSON-RPC connections")); + strUsage += HelpMessageOpt("-rpcport=<port>", strprintf(_("Listen for JSON-RPC connections on <port> (default: %u or testnet: %u)"), 8332, 18332)); + strUsage += HelpMessageOpt("-rpcallowip=<ip>", _("Allow JSON-RPC connections from specified source. Valid for <ip> 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=<n>", 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=<file.cert>", strprintf(_("Server certificate file (default: %s)"), "server.cert")); + strUsage += HelpMessageOpt("-rpcsslprivatekeyfile=<file.pem>", strprintf(_("Server private key (default: %s)"), "server.pem")); + strUsage += HelpMessageOpt("-rpcsslciphers=<ciphers>", 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 (GetBoolArg("-help-debug", false)) { + strUsage += HelpMessageOpt("-allowselfsignedrootcertificates", _("Allow self signed root certificates (default: 0)")); } + strUsage += HelpMessageOpt("-choosedatadir", _("Choose data directory on startup (default: 0)")); + strUsage += HelpMessageOpt("-lang=<lang>", _("Set language, for example \"de_DE\" (default: system locale)")); + strUsage += HelpMessageOpt("-min", _("Start minimized")); + strUsage += HelpMessageOpt("-rootcertificates=<file>", _("Set SSL root certificates for payment request (default: -system-)")); + strUsage += HelpMessageOpt("-splash", _("Show splash screen on startup (default: 1)")); + } - // Command-line RPC - for (int i = 1; i < argc; i++) - if (!IsSwitchChar(argv[i][0]) && !boost::algorithm::istarts_with(argv[i], "bitcoin:")) - fCommandLine = true; - - if (fCommandLine) - { - int ret = CommandLineRPC(argc, argv); - exit(ret); - } + return strUsage; +} - fRet = AppInit2(); - } - catch (std::exception& e) { - PrintException(&e, "AppInit()"); - } catch (...) { - PrintException(NULL, "AppInit()"); - } - if (!fRet) - Shutdown(NULL); - return fRet; +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 <http://www.opensource.org/licenses/mit-license.php>.")) + "\n" + + "\n" + + FormatParagraph(_("This product includes software developed by the OpenSSL Project for use in the OpenSSL Toolkit <https://www.openssl.org/> and cryptographic software written by Eric Young and UPnP software written by Thomas Bernard.")) + + "\n"; } -extern void noui_connect(); -int main(int argc, char* argv[]) +static void BlockNotifyCallback(const uint256& hashNewTip) { - bool fRet = false; + std::string strCmd = GetArg("-blocknotify", ""); - // Connect bitcoind signal handlers - noui_connect(); + boost::replace_all(strCmd, "%s", hashNewTip.GetHex()); + boost::thread t(runCommand, strCmd); // thread runs free +} - fRet = AppInit(argc, argv); +struct CImportingNow +{ + CImportingNow() { + assert(fImporting == false); + fImporting = true; + } - if (fRet && fDaemon) - return 0; + ~CImportingNow() { + assert(fImporting == true); + fImporting = false; + } +}; - return 1; -} -#endif -bool static InitError(const std::string &str) +// 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, and since pruning works by deleting the oldest block file first, just check +// for block file 0, and if it doesn't exist, delete all the block files in the +// directory (since they won't be read by the reindex but will take up disk space). +void DeleteAllBlockFiles() { - uiInterface.ThreadSafeMessageBox(str, _("Bitcoin"), CClientUIInterface::OK | CClientUIInterface::MODAL); - return false; + if (boost::filesystem::exists(GetBlockPosFilename(CDiskBlockPos(0, 0), "blk"))) + return; + + LogPrintf("Removing all blk?????.dat and rev?????.dat files for -reindex with -prune\n"); + boost::filesystem::path blocksdir = GetDataDir() / "blocks"; + for (boost::filesystem::directory_iterator it(blocksdir); it != boost::filesystem::directory_iterator(); it++) { + if (is_regular_file(*it)) { + if ((it->path().filename().string().length() == 12) && + (it->path().filename().string().substr(8,4) == ".dat") && + ((it->path().filename().string().substr(0,3) == "blk") || + (it->path().filename().string().substr(0,3) == "rev"))) + boost::filesystem::remove(it->path()); + } + } } -bool static InitWarning(const std::string &str) +void ThreadImport(std::vector<boost::filesystem::path> vImportFiles) { - uiInterface.ThreadSafeMessageBox(str, _("Bitcoin"), CClientUIInterface::OK | CClientUIInterface::ICON_EXCLAMATION | CClientUIInterface::MODAL); - return true; -} + 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()); + } + } -bool static Bind(const CService &addr, bool fError = true) { - if (IsLimited(addr)) - return false; - std::string strError; - if (!BindListenPort(addr, strError)) { - if (fError) - return InitError(strError); - return false; + // -loadblock= + BOOST_FOREACH(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(); } - return true; } -// Core-specific options shared between UI and daemon -std::string HelpMessage() +/** Sanity checks + * Ensure that Bitcoin is running in a usable environment with all + * necessary library support. + */ +bool InitSanityCheck(void) { - string strUsage = _("Options:") + "\n" + - " -conf=<file> " + _("Specify configuration file (default: bitcoin.conf)") + "\n" + - " -pid=<file> " + _("Specify pid file (default: bitcoind.pid)") + "\n" + - " -gen " + _("Generate coins") + "\n" + - " -gen=0 " + _("Don't generate coins") + "\n" + - " -datadir=<dir> " + _("Specify data directory") + "\n" + - " -dbcache=<n> " + _("Set database cache size in megabytes (default: 25)") + "\n" + - " -dblogsize=<n> " + _("Set database disk log size in megabytes (default: 100)") + "\n" + - " -timeout=<n> " + _("Specify connection timeout (in milliseconds)") + "\n" + - " -proxy=<ip:port> " + _("Connect through socks proxy") + "\n" + - " -socks=<n> " + _("Select the version of socks proxy to use (4-5, default: 5)") + "\n" + - " -dns " + _("Allow DNS lookups for -addnode, -seednode and -connect") + "\n" + - " -port=<port> " + _("Listen for connections on <port> (default: 8333 or testnet: 18333)") + "\n" + - " -maxconnections=<n> " + _("Maintain at most <n> connections to peers (default: 125)") + "\n" + - " -addnode=<ip> " + _("Add a node to connect to and attempt to keep the connection open") + "\n" + - " -connect=<ip> " + _("Connect only to the specified node(s)") + "\n" + - " -seednode=<ip> " + _("Connect to a node to retrieve peer addresses, and disconnect") + "\n" + - " -externalip=<ip> " + _("Specify your own public address") + "\n" + - " -onlynet=<net> " + _("Only connect to nodes in network <net> (IPv4 or IPv6)") + "\n" + - " -discover " + _("Discover own IP address (default: 1 when listening and no -externalip)") + "\n" + - " -irc " + _("Find peers using internet relay chat (default: 0)") + "\n" + - " -listen " + _("Accept connections from outside (default: 1 if no -proxy or -connect)") + "\n" + - " -bind=<addr> " + _("Bind to given address. Use [host]:port notation for IPv6") + "\n" + - " -dnsseed " + _("Find peers using DNS lookup (default: 1)") + "\n" + - " -banscore=<n> " + _("Threshold for disconnecting misbehaving peers (default: 100)") + "\n" + - " -bantime=<n> " + _("Number of seconds to keep misbehaving peers from reconnecting (default: 86400)") + "\n" + - " -maxreceivebuffer=<n> " + _("Maximum per-connection receive buffer, <n>*1000 bytes (default: 10000)") + "\n" + - " -maxsendbuffer=<n> " + _("Maximum per-connection send buffer, <n>*1000 bytes (default: 10000)") + "\n" + -#ifdef USE_UPNP -#if USE_UPNP - " -upnp " + _("Use UPnP to map the listening port (default: 1 when listening)") + "\n" + -#else - " -upnp " + _("Use UPnP to map the listening port (default: 0)") + "\n" + -#endif -#endif - " -detachdb " + _("Detach block and address databases. Increases shutdown time (default: 0)") + "\n" + - " -paytxfee=<amt> " + _("Fee per KB to add to transactions you send") + "\n" + -#ifdef QT_GUI - " -server " + _("Accept command line and JSON-RPC commands") + "\n" + -#endif -#if !defined(WIN32) && !defined(QT_GUI) - " -daemon " + _("Run in the background as a daemon and accept commands") + "\n" + -#endif - " -testnet " + _("Use the test network") + "\n" + - " -debug " + _("Output extra debugging information") + "\n" + - " -logtimestamps " + _("Prepend debug output with timestamp") + "\n" + - " -printtoconsole " + _("Send trace/debug info to console instead of debug.log file") + "\n" + -#ifdef WIN32 - " -printtodebugger " + _("Send trace/debug info to debugger") + "\n" + -#endif - " -rpcuser=<user> " + _("Username for JSON-RPC connections") + "\n" + - " -rpcpassword=<pw> " + _("Password for JSON-RPC connections") + "\n" + - " -rpcport=<port> " + _("Listen for JSON-RPC connections on <port> (default: 8332)") + "\n" + - " -rpcallowip=<ip> " + _("Allow JSON-RPC connections from specified IP address") + "\n" + - " -rpcconnect=<ip> " + _("Send commands to node running on <ip> (default: 127.0.0.1)") + "\n" + - " -blocknotify=<cmd> " + _("Execute command when the best block changes (%s in cmd is replaced by block hash)") + "\n" + - " -upgradewallet " + _("Upgrade wallet to latest format") + "\n" + - " -keypool=<n> " + _("Set key pool size to <n> (default: 100)") + "\n" + - " -rescan " + _("Rescan the block chain for missing wallet transactions") + "\n" + - " -checkblocks=<n> " + _("How many blocks to check at startup (default: 2500, 0 = all)") + "\n" + - " -checklevel=<n> " + _("How thorough the block verification is (0-6, default: 1)") + "\n" + - " -loadblock=<file> " + _("Imports blocks from external blk000?.dat file") + "\n" + - " -? " + _("This help message") + "\n"; - - strUsage += string() + - _("\nSSL options: (see the Bitcoin Wiki for SSL setup instructions)") + "\n" + - " -rpcssl " + _("Use OpenSSL (https) for JSON-RPC connections") + "\n" + - " -rpcsslcertificatechainfile=<file.cert> " + _("Server certificate file (default: server.cert)") + "\n" + - " -rpcsslprivatekeyfile=<file.pem> " + _("Server private key (default: server.pem)") + "\n" + - " -rpcsslciphers=<ciphers> " + _("Acceptable ciphers (default: TLSv1+HIGH:!SSLv2:!aNULL:!eNULL:!AH:!3DES:@STRENGTH)") + "\n"; + 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 strUsage; + return true; } /** Initialize bitcoin. * @pre Parameters should be parsed and config file should be read. */ -bool AppInit2() +bool AppInit2(boost::thread_group& threadGroup, CScheduler& scheduler) { // ********************************************************* Step 1: setup #ifdef _MSC_VER - // Turn off microsoft heap dump noise + // 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 + // Disable confusing "helpful" text message on abort, Ctrl-C _set_abort_behavior(0, _WRITE_ABORT_MSG | _CALL_REPORTFAULT); #endif -#ifndef WIN32 - umask(077); +#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; @@ -318,73 +629,162 @@ bool AppInit2() 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(); - fTestNet = GetBoolArg("-testnet"); - if (fTestNet) { - SoftSetBoolArg("-irc", true); - } + // 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")) { - // when specifying an explicit binding address, you want to listen on it - // even when -connect or -proxy is specified - SoftSetBoolArg("-listen", true); + 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")) { + if (mapArgs.count("-connect") && mapMultiArgs["-connect"].size() > 0) { // when only connecting to trusted nodes, do not seed via DNS, or listen by default - SoftSetBoolArg("-dnsseed", false); - SoftSetBoolArg("-listen", false); + if (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 proxy server is specified - SoftSetBoolArg("-listen", false); + // 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", true)) { + if (!GetBoolArg("-listen", DEFAULT_LISTEN)) { // do not map ports or try to retrieve public IP when not listening (pointless) - SoftSetBoolArg("-upnp", false); - SoftSetBoolArg("-discover", false); + 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 - SoftSetBoolArg("-discover", false); + if (SoftSetBoolArg("-discover", false)) + LogPrintf("%s: parameter interaction: -externalip set -> setting -discover=0\n", __func__); } - // ********************************************************* Step 3: parameter-to-internal-flags + 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__); + } - fDebug = GetBoolArg("-debug"); - bitdb.SetDetach(GetBoolArg("-detachdb", false)); + // -zapwallettx implies a rescan + if (GetBoolArg("-zapwallettxes", false)) { + if (SoftSetBoolArg("-rescan", true)) + LogPrintf("%s: parameter interaction: -zapwallettxes=<mode> -> setting -rescan=1\n", __func__); + } -#if !defined(WIN32) && !defined(QT_GUI) - fDaemon = GetBoolArg("-daemon"); -#else - fDaemon = false; + // 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 + // also disable the wallet (for now, until SPV support is implemented in wallet) + if (GetArg("-prune", 0)) { + if (GetBoolArg("-txindex", false)) + return InitError(_("Prune mode is incompatible with -txindex.")); +#ifdef ENABLE_WALLET + if (!GetBoolArg("-disablewallet", false)) { + if (SoftSetBoolArg("-disablewallet", true)) + LogPrintf("%s : parameter interaction: -prune -> setting -disablewallet=1\n", __func__); + else + return InitError(_("Can't run with a wallet in prune mode.")); + } #endif + } - if (fDaemon) - fServer = true; - else - fServer = GetBoolArg("-server"); + // ********************************************************* Step 3: parameter-to-internal-flags + + fDebug = !mapMultiArgs["-debug"].empty(); + // Special-case: if -debug=0/-nodebug is set, turn off debugging messages + const vector<string>& categories = mapMultiArgs["-debug"]; + if (GetBoolArg("-nodebug", false) || find(categories.begin(), categories.end(), string("0")) != categories.end()) + fDebug = false; + + // Check for -debugnet + 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(); + 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; + } - /* force fServer when running without GUI */ -#if !defined(QT_GUI) - fServer = true; +#ifdef ENABLE_WALLET + bool fDisableWallet = GetBoolArg("-disablewallet", false); #endif - fPrintToConsole = GetBoolArg("-printtoconsole"); - fPrintToDebugger = GetBoolArg("-printtodebugger"); - fLogTimestamps = GetBoolArg("-logtimestamps"); - if (mapArgs.count("-timeout")) - { - int nNewTimeout = GetArg("-timeout", 5000); - if (nNewTimeout > 0 && nNewTimeout < 600000) - nConnectTimeout = nNewTimeout; - } + nConnectTimeout = GetArg("-timeout", DEFAULT_CONNECT_TIMEOUT); + if (nConnectTimeout <= 0) + nConnectTimeout = DEFAULT_CONNECT_TIMEOUT; // Continue to put "/P2SH/" in the coinbase to monitor // BIP16 support. @@ -392,74 +792,169 @@ bool AppInit2() const char* pszP2SH = "/P2SH/"; COINBASE_FLAGS << std::vector<unsigned char>(pszP2SH, pszP2SH+strlen(pszP2SH)); + // Fee-per-kilobyte amount considered the same as "free" + // If you are mining, be careful setting this: + // if you set it to zero then + // a transaction spammer can cheaply fill blocks using + // 1-satoshi-fee transactions. It should be set above the real + // cost to you of processing a transaction. + if (mapArgs.count("-minrelaytxfee")) + { + CAmount n = 0; + if (ParseMoney(mapArgs["-minrelaytxfee"], n) && n > 0) + ::minRelayTxFee = CFeeRate(n); + else + return InitError(strprintf(_("Invalid amount for -minrelaytxfee=<amount>: '%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=<amount>: '%s'"), mapArgs["-mintxfee"])); + } if (mapArgs.count("-paytxfee")) { - if (!ParseMoney(mapArgs["-paytxfee"], nTransactionFee)) - return InitError(strprintf(_("Invalid amount for -paytxfee=<amount>: '%s'"), mapArgs["-paytxfee"].c_str())); - if (nTransactionFee > 0.25 * COIN) - InitWarning(_("Warning: -paytxfee is set very high. This is the transaction fee you will pay if you send a transaction.")); + CAmount nFeePerK = 0; + if (!ParseMoney(mapArgs["-paytxfee"], nFeePerK)) + return InitError(strprintf(_("Invalid amount for -paytxfee=<amount>: '%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=<amount>: '%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=<amount>: '%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=<amount>: '%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); // ********************************************************* 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); - static boost::interprocess::file_lock lock(pathLockFile.string().c_str()); - if (!lock.try_lock()) - return InitError(strprintf(_("Cannot obtain a lock on data directory %s. Bitcoin is probably already running."), GetDataDir().string().c_str())); - -#if !defined(WIN32) && !defined(QT_GUI) - if (fDaemon) - { - // Daemonize - pid_t pid = fork(); - if (pid < 0) - { - fprintf(stderr, "Error: fork() returned %d errno %d\n", pid, errno); - return false; - } - if (pid > 0) - { - CreatePidFile(GetPidFile(), pid); - return true; - } - pid_t sid = setsid(); - if (sid < 0) - fprintf(stderr, "Error: setsid() returned %d errno %d\n", sid, errno); + 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())); } -#endif - if (!fDebug) +#ifndef WIN32 + CreatePidFile(GetPidFile(), getpid()); +#endif + if (GetBoolArg("-shrinkdebugfile", !fDebug)) ShrinkDebugFile(); - printf("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"); - printf("Bitcoin version %s (%s)\n", FormatFullVersion().c_str(), CLIENT_DATE.c_str()); - printf("Startup time: %s\n", DateTimeStrFormat("%x %H:%M:%S", GetTime()).c_str()); - printf("Default data directory %s\n", GetDefaultDataDir().string().c_str()); - printf("Used data directory %s\n", GetDataDir().string().c_str()); + 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; - if (fDaemon) - fprintf(stdout, "Bitcoin server starting\n"); + LogPrintf("Using %u threads for script verification\n", nScriptCheckThreads); + if (nScriptCheckThreads) { + for (int i=0; i<nScriptCheckThreads-1; i++) + threadGroup.create_thread(&ThreadScriptCheck); + } - int64 nStart; + // Start the lightweight task scheduler thread + CScheduler::Function serviceLoop = boost::bind(&CScheduler::serviceQueue, &scheduler); + threadGroup.create_thread(boost::bind(&TraceThread<CScheduler::Function>, "scheduler", serviceLoop)); - // ********************************************************* Step 5: network initialization + /* 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(); + } - int nSocksVersion = GetArg("-socks", 5); + int64_t nStart; - if (nSocksVersion != 4 && nSocksVersion != 5) - return InitError(strprintf(_("Unknown -socks proxy version requested: %i"), nSocksVersion)); + // ********************************************************* 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<enum Network> nets; BOOST_FOREACH(std::string snet, mapMultiArgs["-onlynet"]) { enum Network net = ParseNetwork(snet); if (net == NET_UNROUTABLE) - return InitError(strprintf(_("Unknown network specified in -onlynet: '%s'"), snet.c_str())); + return InitError(strprintf(_("Unknown network specified in -onlynet: '%s'"), snet)); nets.insert(net); } for (int n = 0; n < NET_MAX; n++) { @@ -469,61 +964,80 @@ bool AppInit2() } } + 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); + } + } + + proxyType addrProxy; + bool fProxy = false; if (mapArgs.count("-proxy")) { - CService addrProxy = CService(mapArgs["-proxy"], 9050); + addrProxy = proxyType(CService(mapArgs["-proxy"], 9050), GetBoolArg("-proxyrandomize", true)); if (!addrProxy.IsValid()) - return InitError(strprintf(_("Invalid -proxy address: '%s'"), mapArgs["-proxy"].c_str())); - - if (!IsLimited(NET_IPV4)) - SetProxy(NET_IPV4, addrProxy, nSocksVersion); - if (nSocksVersion > 4) { -#ifdef USE_IPV6 - if (!IsLimited(NET_IPV6)) - SetProxy(NET_IPV6, addrProxy, nSocksVersion); -#endif - SetNameProxy(addrProxy, nSocksVersion); - } + return InitError(strprintf(_("Invalid -proxy address: '%s'"), mapArgs["-proxy"])); + + SetProxy(NET_IPV4, addrProxy); + SetProxy(NET_IPV6, addrProxy); + SetNameProxy(addrProxy); + fProxy = true; + } + + // -onion can override normal proxy, -noonion disables connecting to .onion entirely + if (!(mapArgs.count("-onion") && mapArgs["-onion"] == "0") && + (fProxy || mapArgs.count("-onion"))) { + proxyType addrOnion; + if (!mapArgs.count("-onion")) + addrOnion = addrProxy; + else + addrOnion = proxyType(CService(mapArgs["-onion"], 9050), GetBoolArg("-proxyrandomize", true)); + if (!addrOnion.IsValid()) + return InitError(strprintf(_("Invalid -onion address: '%s'"), mapArgs["-onion"])); + SetProxy(NET_TOR, addrOnion); + SetReachable(NET_TOR); } // see Step 2: parameter interactions for more information about these - fNoListen = !GetBoolArg("-listen", true); + fListen = GetBoolArg("-listen", DEFAULT_LISTEN); fDiscover = GetBoolArg("-discover", true); fNameLookup = GetBoolArg("-dns", true); -#ifdef USE_UPNP - fUseUPnP = GetBoolArg("-upnp", USE_UPNP); -#endif bool fBound = false; - if (!fNoListen) - { - std::string strError; - if (mapArgs.count("-bind")) { + if (fListen) { + if (mapArgs.count("-bind") || mapArgs.count("-whitebind")) { BOOST_FOREACH(std::string strBind, mapMultiArgs["-bind"]) { CService addrBind; if (!Lookup(strBind.c_str(), addrBind, GetListenPort(), false)) - return InitError(strprintf(_("Cannot resolve -bind address: '%s'"), strBind.c_str())); - fBound |= Bind(addrBind); + return InitError(strprintf(_("Cannot resolve -bind address: '%s'"), strBind)); + fBound |= Bind(addrBind, (BF_EXPLICIT | BF_REPORT_ERROR)); } - } else { + BOOST_FOREACH(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; -#ifdef USE_IPV6 - if (!IsLimited(NET_IPV6)) - fBound |= Bind(CService(in6addr_any, GetListenPort()), false); -#endif - if (!IsLimited(NET_IPV4)) - fBound |= Bind(CService(inaddr_any, GetListenPort()), !fBound); + 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")) - { + if (mapArgs.count("-externalip")) { BOOST_FOREACH(string strAddr, mapMultiArgs["-externalip"]) { CService addrLocal(strAddr, GetListenPort(), fNameLookup); if (!addrLocal.IsValid()) - return InitError(strprintf(_("Cannot resolve -externalip address: '%s'"), strAddr.c_str())); + return InitError(strprintf(_("Cannot resolve -externalip address: '%s'"), strAddr)); AddLocal(CService(strAddr, GetListenPort(), fNameLookup), LOCAL_MANUAL); } } @@ -531,203 +1045,385 @@ bool AppInit2() BOOST_FOREACH(string strDest, mapMultiArgs["-seednode"]) AddOneShot(strDest); - // ********************************************************* Step 6: load blockchain + // ********************************************************* Step 7: load block chain + + fReindex = GetBoolArg("-reindex", false); - if (GetBoolArg("-loadblockindextest")) + // Upgrading to 0.8; hard-link the old blknnnn.dat files into /blocks/ + boost::filesystem::path blocksDir = GetDataDir() / "blocks"; + if (!boost::filesystem::exists(blocksDir)) { - CTxDB txdb("r"); - txdb.LoadBlockIndex(); - PrintBlockTree(); - return false; + 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; + } } - uiInterface.InitMessage(_("Loading block index...")); - printf("Loading block index...\n"); - nStart = GetTimeMillis(); - if (!LoadBlockIndex()) - strErrors << _("Error loading blkindex.dat") << "\n"; + // 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 all our block and undo data files + if (fPruneMode) + DeleteAllBlockFiles(); + } + + 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 bitcoin-qt during the last operation. If so, exit. + // 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) { - printf("Shutdown requested. Exiting.\n"); + LogPrintf("Shutdown requested. Exiting.\n"); return false; } - printf(" block index %15"PRI64d"ms\n", GetTimeMillis() - nStart); - - if (GetBoolArg("-printblockindex") || GetBoolArg("-printblocktree")) - { - PrintBlockTree(); - 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(); + } } - if (mapArgs.count("-printblock")) - { - string strMatch = mapArgs["-printblock"]; - int nFound = 0; - for (map<uint256, CBlockIndex*>::iterator mi = mapBlockIndex.begin(); mi != mapBlockIndex.end(); ++mi) - { - uint256 hash = (*mi).first; - if (strncmp(hash.ToString().c_str(), strMatch.c_str(), strMatch.size()) == 0) - { - CBlockIndex* pindex = (*mi).second; - CBlock block; - block.ReadFromDisk(pindex); - block.BuildMerkleTree(); - block.print(); - printf("\n"); - nFound++; + // ********************************************************* 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<CWalletTx> 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; } - if (nFound == 0) - printf("No blocks matching %s were found\n", strMatch.c_str()); - return false; - } - // ********************************************************* Step 7: load wallet + uiInterface.InitMessage(_("Loading wallet...")); - uiInterface.InitMessage(_("Loading wallet...")); - printf("Loading wallet...\n"); - nStart = GetTimeMillis(); - bool fFirstRun; - pwalletMain = new CWallet("wallet.dat"); - int 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_TOO_NEW) - strErrors << _("Error loading wallet.dat: Wallet requires newer version of Bitcoin") << "\n"; - else if (nLoadWalletRet == DB_NEED_REWRITE) + nStart = GetTimeMillis(); + bool fFirstRun = true; + pwalletMain = new CWallet(strWalletFile); + DBErrors nLoadWalletRet = pwalletMain->LoadWallet(fFirstRun); + if (nLoadWalletRet != DB_LOAD_OK) { - strErrors << _("Wallet needed to be rewritten: restart Bitcoin to complete") << "\n"; - printf("%s", strErrors.str().c_str()); - return InitError(strErrors.str()); + 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"; } - else - strErrors << _("Error loading wallet.dat") << "\n"; - } - if (GetBoolArg("-upgradewallet", fFirstRun)) - { - int nMaxVersion = GetArg("-upgradewallet", 0); - if (nMaxVersion == 0) // the -walletupgrade without argument case + if (GetBoolArg("-upgradewallet", fFirstRun)) { - printf("Performing wallet upgrade to %i\n", FEATURE_LATEST); - nMaxVersion = CLIENT_VERSION; - pwalletMain->SetMinVersion(FEATURE_LATEST); // permanently upgrade the wallet immediately + 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); } - else - printf("Allowing wallet upgrade up to %i\n", nMaxVersion); - if (nMaxVersion < pwalletMain->GetVersion()) - strErrors << _("Cannot downgrade wallet") << "\n"; - pwalletMain->SetMaxVersion(nMaxVersion); - } - if (fFirstRun) - { - // Create new keyUser and set as default key - RandAddSeedPerfmon(); - - CPubKey newDefaultKey; - if (!pwalletMain->GetKeyFromPool(newDefaultKey, false)) - strErrors << _("Cannot initialize keypool") << "\n"; - pwalletMain->SetDefaultKey(newDefaultKey); - if (!pwalletMain->SetAddressBookName(pwalletMain->vchDefaultKey.GetID(), "")) - strErrors << _("Cannot write default address") << "\n"; - } - - printf("%s", strErrors.str().c_str()); - printf(" wallet %15"PRI64d"ms\n", GetTimeMillis() - nStart); + 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"; + } - RegisterWallet(pwalletMain); + pwalletMain->SetBestChain(chainActive.GetLocator()); + } - CBlockIndex *pindexRescan = pindexBest; - if (GetBoolArg("-rescan")) - pindexRescan = pindexGenesisBlock; - else - { - CWalletDB walletdb("wallet.dat"); - CBlockLocator locator; - if (walletdb.ReadBestBlock(locator)) - pindexRescan = locator.GetBlockIndex(); - } - if (pindexBest != pindexRescan) - { - uiInterface.InitMessage(_("Rescanning...")); - printf("Rescanning last %i blocks (from block %i)...\n", pindexBest->nHeight - pindexRescan->nHeight, pindexRescan->nHeight); - nStart = GetTimeMillis(); - pwalletMain->ScanForWalletTransactions(pindexRescan, true); - printf(" rescan %15"PRI64d"ms\n", GetTimeMillis() - nStart); - } + LogPrintf("%s", strErrors.str()); + LogPrintf(" wallet %15dms\n", GetTimeMillis() - nStart); - // ********************************************************* Step 8: import blocks + 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) + { + 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<uint256, CWalletTx>::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<boost::filesystem::path> vImportFiles; if (mapArgs.count("-loadblock")) { BOOST_FOREACH(string strFile, mapMultiArgs["-loadblock"]) - { - FILE *file = fopen(strFile.c_str(), "rb"); - if (file) - LoadExternalBlockFile(file); - } + vImportFiles.push_back(strFile); } - - // ********************************************************* Step 9: load peers - - uiInterface.InitMessage(_("Loading addresses...")); - printf("Loading addresses...\n"); - nStart = GetTimeMillis(); - - { - CAddrDB adb; - if (!adb.Read(addrman)) - printf("Invalid or missing peers.dat; recreating\n"); + 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); } - printf("Loaded %i addresses from peers.dat %"PRI64d"ms\n", - addrman.size(), GetTimeMillis() - nStart); - // ********************************************************* Step 10: start node if (!CheckDiskSpace()) return false; + if (!strErrors.str().empty()) + return InitError(strErrors.str()); + RandAddSeedPerfmon(); //// debug print - printf("mapBlockIndex.size() = %d\n", mapBlockIndex.size()); - printf("nBestHeight = %d\n", nBestHeight); - printf("setKeyPool.size() = %d\n", pwalletMain->setKeyPool.size()); - printf("mapWallet.size() = %d\n", pwalletMain->mapWallet.size()); - printf("mapAddressBook.size() = %d\n", pwalletMain->mapAddressBook.size()); + 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 - if (!CreateThread(StartNode, NULL)) - InitError(_("Error: could not start node")); + StartNode(threadGroup, scheduler); - if (fServer) - CreateThread(ThreadRPCServer, NULL); + // 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(chainActive), 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")); - printf("Done loading\n"); - if (!strErrors.str().empty()) - return InitError(strErrors.str()); +#ifdef ENABLE_WALLET + if (pwalletMain) { + // Add wallet transactions that aren't already in a block to mapTransactions + pwalletMain->ReacceptWalletTransactions(); - // Add wallet transactions that aren't already in a block to mapTransactions - pwalletMain->ReacceptWalletTransactions(); - -#if !defined(QT_GUI) - // Loop until process is exit()ed from shutdown() function, - // called from ThreadRPCServer thread when a "stop" command is received. - while (1) - Sleep(5000); + // Run a thread to flush wallet periodically + threadGroup.create_thread(boost::bind(&ThreadFlushWalletDB, boost::ref(pwalletMain->strWalletFile))); + } #endif - return true; + return !fRequestShutdown; } - |