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Diffstat (limited to 'src/init.cpp')
| -rw-r--r-- | src/init.cpp | 1254 |
1 files changed, 1254 insertions, 0 deletions
diff --git a/src/init.cpp b/src/init.cpp new file mode 100644 index 000000000..11329c16a --- /dev/null +++ b/src/init.cpp @@ -0,0 +1,1254 @@ +// Copyright (c) 2009-2010 Satoshi Nakamoto +// Copyright (c) 2009-2014 The Bitcoin developers +// Distributed under the MIT software license, see the accompanying +// file COPYING or http://www.opensource.org/licenses/mit-license.php. + +#if defined(HAVE_CONFIG_H) +#include "config/bitcoin-config.h" +#endif + +#include "init.h" + +#include "addrman.h" +#include "amount.h" +#include "checkpoints.h" +#include "compat/sanity.h" +#include "key.h" +#include "main.h" +#include "miner.h" +#include "net.h" +#include "rpcserver.h" +#include "script/standard.h" +#include "txdb.h" +#include "ui_interface.h" +#include "util.h" +#include "utilmoneystr.h" +#ifdef ENABLE_WALLET +#include "db.h" +#include "wallet.h" +#include "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/filesystem.hpp> +#include <boost/interprocess/sync/file_lock.hpp> +#include <boost/thread.hpp> +#include <openssl/crypto.h> + +using namespace boost; +using namespace std; + +#ifdef ENABLE_WALLET +CWallet* pwalletMain = NULL; +#endif +bool fFeeEstimatesInitialized = false; + +#ifdef WIN32 +// Win32 LevelDB doesn't use filedescriptors, and the ones used for +// accessing block files, don't count towards to fd_set size limit +// anyway. +#define MIN_CORE_FILEDESCRIPTORS 0 +#else +#define MIN_CORE_FILEDESCRIPTORS 150 +#endif + +/** Used to pass flags to the Bind() function */ +enum BindFlags { + BF_NONE = 0, + BF_EXPLICIT = (1U << 0), + BF_REPORT_ERROR = (1U << 1), + BF_WHITELIST = (1U << 2), +}; + +static const char* FEE_ESTIMATES_FILENAME="fee_estimates.dat"; +CClientUIInterface uiInterface; + +////////////////////////////////////////////////////////////////////////////// +// +// Shutdown +// + +// +// Thread management and startup/shutdown: +// +// The network-processing threads are all part of a thread group +// created by AppInit() or the Qt main() function. +// +// A clean exit happens when StartShutdown() or the SIGTERM +// signal handler sets fRequestShutdown, which triggers +// the DetectShutdownThread(), which interrupts the main thread group. +// DetectShutdownThread() then exits, which causes AppInit() to +// continue (it .joins the shutdown thread). +// Shutdown() is then +// called to clean up database connections, and stop other +// threads that should only be stopped after the main network-processing +// threads have exited. +// +// Note that if running -daemon the parent process returns from AppInit2 +// before adding any threads to the threadGroup, so .join_all() returns +// immediately and the parent exits from main(). +// +// Shutdown for Qt is very similar, only it uses a QTimer to detect +// fRequestShutdown getting set, and then does the normal Qt +// shutdown thing. +// + +volatile bool fRequestShutdown = false; + +void StartShutdown() +{ + fRequestShutdown = true; +} +bool ShutdownRequested() +{ + return fRequestShutdown; +} + +static CCoinsViewDB *pcoinsdbview = 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) + bitdb.Flush(false); + GenerateBitcoins(false, NULL, 0); +#endif + StopNode(); + UnregisterNodeSignals(GetNodeSignals()); + + if (fFeeEstimatesInitialized) + { + boost::filesystem::path est_path = GetDataDir() / FEE_ESTIMATES_FILENAME; + CAutoFile est_fileout(fopen(est_path.string().c_str(), "wb"), SER_DISK, CLIENT_VERSION); + if (!est_fileout.IsNull()) + mempool.WriteFeeEstimates(est_fileout); + else + LogPrintf("%s: Failed to write fee estimates to %s\n", __func__, est_path.string()); + fFeeEstimatesInitialized = false; + } + + { + LOCK(cs_main); + if (pcoinsTip != NULL) { + FlushStateToDisk(); + } + delete pcoinsTip; + pcoinsTip = NULL; + delete pcoinsdbview; + pcoinsdbview = NULL; + delete pblocktree; + pblocktree = NULL; + } +#ifdef ENABLE_WALLET + if (pwalletMain) + bitdb.Flush(true); +#endif +#ifndef WIN32 + boost::filesystem::remove(GetPidFile()); +#endif + UnregisterAllValidationInterfaces(); +#ifdef ENABLE_WALLET + delete pwalletMain; + pwalletMain = NULL; +#endif + 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; +} + +std::string HelpMessage(HelpMessageMode mode) +{ + // When adding new options to the categories, please keep and ensure alphabetical ordering. + string strUsage = _("Options:") + "\n"; + strUsage += " -? " + _("This help message") + "\n"; + strUsage += " -alertnotify=<cmd> " + _("Execute command when a relevant alert is received or we see a really long fork (%s in cmd is replaced by message)") + "\n"; + strUsage += " -blocknotify=<cmd> " + _("Execute command when the best block changes (%s in cmd is replaced by block hash)") + "\n"; + strUsage += " -checkblocks=<n> " + strprintf(_("How many blocks to check at startup (default: %u, 0 = all)"), 288) + "\n"; + strUsage += " -checklevel=<n> " + strprintf(_("How thorough the block verification of -checkblocks is (0-4, default: %u)"), 3) + "\n"; + strUsage += " -conf=<file> " + strprintf(_("Specify configuration file (default: %s)"), "bitcoin.conf") + "\n"; + if (mode == HMM_BITCOIND) + { +#if !defined(WIN32) + strUsage += " -daemon " + _("Run in the background as a daemon and accept commands") + "\n"; +#endif + } + strUsage += " -datadir=<dir> " + _("Specify data directory") + "\n"; + strUsage += " -dbcache=<n> " + strprintf(_("Set database cache size in megabytes (%d to %d, default: %d)"), nMinDbCache, nMaxDbCache, nDefaultDbCache) + "\n"; + strUsage += " -loadblock=<file> " + _("Imports blocks from external blk000??.dat file") + " " + _("on startup") + "\n"; + strUsage += " -maxorphanblocks=<n> " + strprintf(_("Keep at most <n> unconnectable blocks in memory (default: %u)"), DEFAULT_MAX_ORPHAN_BLOCKS) + "\n"; + strUsage += " -maxorphantx=<n> " + strprintf(_("Keep at most <n> unconnectable transactions in memory (default: %u)"), DEFAULT_MAX_ORPHAN_TRANSACTIONS) + "\n"; + strUsage += " -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) + "\n"; +#ifndef WIN32 + strUsage += " -pid=<file> " + strprintf(_("Specify pid file (default: %s)"), "bitcoind.pid") + "\n"; +#endif + strUsage += " -reindex " + _("Rebuild block chain index from current blk000??.dat files") + " " + _("on startup") + "\n"; +#if !defined(WIN32) + strUsage += " -sysperms " + _("Create new files with system default permissions, instead of umask 077 (only effective with disabled wallet functionality)") + "\n"; +#endif + strUsage += " -txindex " + strprintf(_("Maintain a full transaction index, used by the getrawtransaction rpc call (default: %u)"), 0) + "\n"; + + strUsage += "\n" + _("Connection options:") + "\n"; + strUsage += " -addnode=<ip> " + _("Add a node to connect to and attempt to keep the connection open") + "\n"; + strUsage += " -banscore=<n> " + strprintf(_("Threshold for disconnecting misbehaving peers (default: %u)"), 100) + "\n"; + strUsage += " -bantime=<n> " + strprintf(_("Number of seconds to keep misbehaving peers from reconnecting (default: %u)"), 86400) + "\n"; + strUsage += " -bind=<addr> " + _("Bind to given address and always listen on it. Use [host]:port notation for IPv6") + "\n"; + strUsage += " -connect=<ip> " + _("Connect only to the specified node(s)") + "\n"; + strUsage += " -discover " + _("Discover own IP address (default: 1 when listening and no -externalip)") + "\n"; + strUsage += " -dns " + _("Allow DNS lookups for -addnode, -seednode and -connect") + " " + _("(default: 1)") + "\n"; + strUsage += " -dnsseed " + _("Query for peer addresses via DNS lookup, if low on addresses (default: 1 unless -connect)") + "\n"; + strUsage += " -externalip=<ip> " + _("Specify your own public address") + "\n"; + strUsage += " -forcednsseed " + strprintf(_("Always query for peer addresses via DNS lookup (default: %u)"), 0) + "\n"; + strUsage += " -listen " + _("Accept connections from outside (default: 1 if no -proxy or -connect)") + "\n"; + strUsage += " -maxconnections=<n> " + strprintf(_("Maintain at most <n> connections to peers (default: %u)"), 125) + "\n"; + strUsage += " -maxreceivebuffer=<n> " + strprintf(_("Maximum per-connection receive buffer, <n>*1000 bytes (default: %u)"), 5000) + "\n"; + strUsage += " -maxsendbuffer=<n> " + strprintf(_("Maximum per-connection send buffer, <n>*1000 bytes (default: %u)"), 1000) + "\n"; + strUsage += " -onion=<ip:port> " + strprintf(_("Use separate SOCKS5 proxy to reach peers via Tor hidden services (default: %s)"), "-proxy") + "\n"; + strUsage += " -onlynet=<net> " + _("Only connect to nodes in network <net> (ipv4, ipv6 or onion)") + "\n"; + strUsage += " -permitbaremultisig " + strprintf(_("Relay non-P2SH multisig (default: %u)"), 1) + "\n"; + strUsage += " -port=<port> " + strprintf(_("Listen for connections on <port> (default: %u or testnet: %u)"), 8333, 18333) + "\n"; + strUsage += " -proxy=<ip:port> " + _("Connect through SOCKS5 proxy") + "\n"; + strUsage += " -seednode=<ip> " + _("Connect to a node to retrieve peer addresses, and disconnect") + "\n"; + strUsage += " -timeout=<n> " + strprintf(_("Specify connection timeout in milliseconds (minimum: 1, default: %d)"), DEFAULT_CONNECT_TIMEOUT) + "\n"; +#ifdef USE_UPNP +#if USE_UPNP + strUsage += " -upnp " + _("Use UPnP to map the listening port (default: 1 when listening)") + "\n"; +#else + strUsage += " -upnp " + strprintf(_("Use UPnP to map the listening port (default: %u)"), 0) + "\n"; +#endif +#endif + strUsage += " -whitebind=<addr> " + _("Bind to given address and whitelist peers connecting to it. Use [host]:port notation for IPv6") + "\n"; + strUsage += " -whitelist=<netmask> " + _("Whitelist peers connecting from the given netmask or IP address. Can be specified multiple times.") + "\n"; + strUsage += " " + _("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") + "\n"; + +#ifdef ENABLE_WALLET + strUsage += "\n" + _("Wallet options:") + "\n"; + strUsage += " -disablewallet " + _("Do not load the wallet and disable wallet RPC calls") + "\n"; + strUsage += " -keypool=<n> " + strprintf(_("Set key pool size to <n> (default: %u)"), 100) + "\n"; + if (GetBoolArg("-help-debug", false)) + strUsage += " -mintxfee=<amt> " + strprintf(_("Fees (in BTC/Kb) smaller than this are considered zero fee for transaction creation (default: %s)"), FormatMoney(CWallet::minTxFee.GetFeePerK())) + "\n"; + strUsage += " -paytxfee=<amt> " + strprintf(_("Fee (in BTC/kB) to add to transactions you send (default: %s)"), FormatMoney(payTxFee.GetFeePerK())) + "\n"; + strUsage += " -rescan " + _("Rescan the block chain for missing wallet transactions") + " " + _("on startup") + "\n"; + strUsage += " -salvagewallet " + _("Attempt to recover private keys from a corrupt wallet.dat") + " " + _("on startup") + "\n"; + strUsage += " -sendfreetransactions " + strprintf(_("Send transactions as zero-fee transactions if possible (default: %u)"), 0) + "\n"; + strUsage += " -spendzeroconfchange " + strprintf(_("Spend unconfirmed change when sending transactions (default: %u)"), 1) + "\n"; + strUsage += " -txconfirmtarget=<n> " + strprintf(_("If paytxfee is not set, include enough fee so transactions are confirmed on average within n blocks (default: %u)"), 1) + "\n"; + strUsage += " -upgradewallet " + _("Upgrade wallet to latest format") + " " + _("on startup") + "\n"; + strUsage += " -wallet=<file> " + _("Specify wallet file (within data directory)") + " " + strprintf(_("(default: %s)"), "wallet.dat") + "\n"; + strUsage += " -walletnotify=<cmd> " + _("Execute command when a wallet transaction changes (%s in cmd is replaced by TxID)") + "\n"; + strUsage += " -zapwallettxes=<mode> " + _("Delete all wallet transactions and only recover those parts of the blockchain through -rescan on startup") + "\n"; + strUsage += " " + _("(1 = keep tx meta data e.g. account owner and payment request information, 2 = drop tx meta data)") + "\n"; +#endif + + strUsage += "\n" + _("Debugging/Testing options:") + "\n"; + if (GetBoolArg("-help-debug", false)) + { + strUsage += " -checkpoints " + strprintf(_("Only accept block chain matching built-in checkpoints (default: %u)"), 1) + "\n"; + strUsage += " -dblogsize=<n> " + strprintf(_("Flush database activity from memory pool to disk log every <n> megabytes (default: %u)"), 100) + "\n"; + strUsage += " -disablesafemode " + strprintf(_("Disable safemode, override a real safe mode event (default: %u)"), 0) + "\n"; + strUsage += " -testsafemode " + strprintf(_("Force safe mode (default: %u)"), 0) + "\n"; + strUsage += " -dropmessagestest=<n> " + _("Randomly drop 1 of every <n> network messages") + "\n"; + strUsage += " -fuzzmessagestest=<n> " + _("Randomly fuzz 1 of every <n> network messages") + "\n"; + strUsage += " -flushwallet " + strprintf(_("Run a thread to flush wallet periodically (default: %u)"), 1) + "\n"; + strUsage += " -stopafterblockimport " + strprintf(_("Stop running after importing blocks from disk (default: %u)"), 0) + "\n"; + } + strUsage += " -debug=<category> " + strprintf(_("Output debugging information (default: %u, supplying <category> is optional)"), 0) + "\n"; + strUsage += " " + _("If <category> is not supplied, output all debugging information.") + "\n"; + strUsage += " " + _("<category> can be:"); + strUsage += " addrman, alert, bench, coindb, db, lock, rand, rpc, selectcoins, mempool, net"; // Don't translate these and qt below + if (mode == HMM_BITCOIN_QT) + strUsage += ", qt"; + strUsage += ".\n"; +#ifdef ENABLE_WALLET + strUsage += " -gen " + strprintf(_("Generate coins (default: %u)"), 0) + "\n"; + strUsage += " -genproclimit=<n> " + strprintf(_("Set the number of threads for coin generation if enabled (-1 = all cores, default: %d)"), 1) + "\n"; +#endif + strUsage += " -help-debug " + _("Show all debugging options (usage: --help -help-debug)") + "\n"; + strUsage += " -logips " + strprintf(_("Include IP addresses in debug output (default: %u)"), 0) + "\n"; + strUsage += " -logtimestamps " + strprintf(_("Prepend debug output with timestamp (default: %u)"), 1) + "\n"; + if (GetBoolArg("-help-debug", false)) + { + strUsage += " -limitfreerelay=<n> " + strprintf(_("Continuously rate-limit free transactions to <n>*1000 bytes per minute (default:%u)"), 15) + "\n"; + strUsage += " -maxsigcachesize=<n> " + strprintf(_("Limit size of signature cache to <n> entries (default: %u)"), 50000) + "\n"; + } + strUsage += " -minrelaytxfee=<amt> " + strprintf(_("Fees (in BTC/Kb) smaller than this are considered zero fee for relaying (default: %s)"), FormatMoney(::minRelayTxFee.GetFeePerK())) + "\n"; + strUsage += " -printtoconsole " + _("Send trace/debug info to console instead of debug.log file") + "\n"; + if (GetBoolArg("-help-debug", false)) + { + strUsage += " -printpriority " + strprintf(_("Log transaction priority and fee per kB when mining blocks (default: %u)"), 0) + "\n"; + strUsage += " -privdb " + strprintf(_("Sets the DB_PRIVATE flag in the wallet db environment (default: %u)"), 1) + "\n"; + strUsage += " -regtest " + _("Enter regression test mode, which uses a special chain in which blocks can be solved instantly.") + "\n"; + strUsage += " " + _("This is intended for regression testing tools and app development.") + "\n"; + strUsage += " " + _("In this mode -genproclimit controls how many blocks are generated immediately.") + "\n"; + } + strUsage += " -shrinkdebugfile " + _("Shrink debug.log file on client startup (default: 1 when no -debug)") + "\n"; + strUsage += " -testnet " + _("Use the test network") + "\n"; + + strUsage += "\n" + _("Node relay options:") + "\n"; + strUsage += " -datacarrier " + strprintf(_("Relay and mine data carrier transactions (default: %u)"), 1) + "\n"; + strUsage += " -datacarriersize " + strprintf(_("Maximum size of data in data carrier transactions we relay and mine (default: %u)"), MAX_OP_RETURN_RELAY) + "\n"; + + strUsage += "\n" + _("Block creation options:") + "\n"; + strUsage += " -blockminsize=<n> " + strprintf(_("Set minimum block size in bytes (default: %u)"), 0) + "\n"; + strUsage += " -blockmaxsize=<n> " + strprintf(_("Set maximum block size in bytes (default: %d)"), DEFAULT_BLOCK_MAX_SIZE) + "\n"; + strUsage += " -blockprioritysize=<n> " + strprintf(_("Set maximum size of high-priority/low-fee transactions in bytes (default: %d)"), DEFAULT_BLOCK_PRIORITY_SIZE) + "\n"; + + strUsage += "\n" + _("RPC server options:") + "\n"; + strUsage += " -server " + _("Accept command line and JSON-RPC commands") + "\n"; + strUsage += " -rest " + strprintf(_("Accept public REST requests (default: %u)"), 0) + "\n"; + strUsage += " -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)") + "\n"; + strUsage += " -rpcuser=<user> " + _("Username for JSON-RPC connections") + "\n"; + strUsage += " -rpcpassword=<pw> " + _("Password for JSON-RPC connections") + "\n"; + strUsage += " -rpcport=<port> " + strprintf(_("Listen for JSON-RPC connections on <port> (default: %u or testnet: %u)"), 8332, 18332) + "\n"; + strUsage += " -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") + "\n"; + strUsage += " -rpcthreads=<n> " + strprintf(_("Set the number of threads to service RPC calls (default: %d)"), 4) + "\n"; + + strUsage += "\n" + _("RPC SSL options: (see the Bitcoin Wiki for SSL setup instructions)") + "\n"; + strUsage += " -rpcssl " + _("Use OpenSSL (https) for JSON-RPC connections") + "\n"; + strUsage += " -rpcsslcertificatechainfile=<file.cert> " + strprintf(_("Server certificate file (default: %s)"), "server.cert") + "\n"; + strUsage += " -rpcsslprivatekeyfile=<file.pem> " + strprintf(_("Server private key (default: %s)"), "server.pem") + "\n"; + strUsage += " -rpcsslciphers=<ciphers> " + strprintf(_("Acceptable ciphers (default: %s)"), "TLSv1.2+HIGH:TLSv1+HIGH:!SSLv2:!aNULL:!eNULL:!3DES:@STRENGTH") + "\n"; + + return strUsage; +} + +std::string LicenseInfo() +{ + return FormatParagraph(strprintf(_("Copyright (C) 2009-%i The Bitcoin Core Developers"), COPYRIGHT_YEAR)) + "\n" + + "\n" + + FormatParagraph(_("This is experimental software.")) + "\n" + + "\n" + + FormatParagraph(_("Distributed under the MIT software license, see the accompanying file COPYING or <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"; +} + +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; + } +}; + +void ThreadImport(std::vector<boost::filesystem::path> vImportFiles) +{ + RenameThread("bitcoin-loadblk"); + + // -reindex + if (fReindex) { + CImportingNow imp; + int nFile = 0; + while (true) { + CDiskBlockPos pos(nFile, 0); + 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 + filesystem::path pathBootstrap = GetDataDir() / "bootstrap.dat"; + if (filesystem::exists(pathBootstrap)) { + FILE *file = fopen(pathBootstrap.string().c_str(), "rb"); + if (file) { + CImportingNow imp; + filesystem::path pathBootstrapOld = GetDataDir() / "bootstrap.dat.old"; + 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(boost::filesystem::path &path, vImportFiles) { + FILE *file = fopen(path.string().c_str(), "rb"); + if (file) { + CImportingNow imp; + LogPrintf("Importing blocks file %s...\n", path.string()); + LoadExternalBlockFile(file); + } else { + LogPrintf("Warning: Could not open blocks file %s\n", path.string()); + } + } + + if (GetBoolArg("-stopafterblockimport", false)) { + LogPrintf("Stopping after block import\n"); + StartShutdown(); + } +} + +/** Sanity checks + * Ensure that Bitcoin is running in a usable environment with all + * necessary library support. + */ +bool InitSanityCheck(void) +{ + if(!ECC_InitSanityCheck()) { + InitError("OpenSSL appears to lack support for elliptic curve cryptography. For more " + "information, visit https://en.bitcoin.it/wiki/OpenSSL_and_EC_Libraries"); + return false; + } + if (!glibc_sanity_test() || !glibcxx_sanity_test()) + return false; + + return true; +} + +/** Initialize bitcoin. + * @pre Parameters should be parsed and config file should be read. + */ +bool AppInit2(boost::thread_group& threadGroup) +{ + // ********************************************************* Step 1: setup +#ifdef _MSC_VER + // Turn off Microsoft heap dump noise + _CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE); + _CrtSetReportFile(_CRT_WARN, CreateFileA("NUL", GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0)); +#endif +#if _MSC_VER >= 1400 + // Disable confusing "helpful" text message on abort, Ctrl-C + _set_abort_behavior(0, _WRITE_ABORT_MSG | _CALL_REPORTFAULT); +#endif +#ifdef WIN32 + // Enable Data Execution Prevention (DEP) + // Minimum supported OS versions: WinXP SP3, WinVista >= SP1, Win Server 2008 + // A failure is non-critical and needs no further attention! +#ifndef PROCESS_DEP_ENABLE + // We define this here, because GCCs winbase.h limits this to _WIN32_WINNT >= 0x0601 (Windows 7), + // which is not correct. Can be removed, when GCCs winbase.h is fixed! +#define PROCESS_DEP_ENABLE 0x00000001 +#endif + typedef BOOL (WINAPI *PSETPROCDEPPOL)(DWORD); + PSETPROCDEPPOL setProcDEPPol = (PSETPROCDEPPOL)GetProcAddress(GetModuleHandleA("Kernel32.dll"), "SetProcessDEPPolicy"); + if (setProcDEPPol != NULL) setProcDEPPol(PROCESS_DEP_ENABLE); + + // Initialize Windows Sockets + WSADATA wsadata; + int ret = WSAStartup(MAKEWORD(2,2), &wsadata); + if (ret != NO_ERROR || LOBYTE(wsadata.wVersion ) != 2 || HIBYTE(wsadata.wVersion) != 2) + { + return InitError(strprintf("Error: Winsock library failed to start (WSAStartup returned error %d)", ret)); + } +#endif +#ifndef WIN32 + + if (GetBoolArg("-sysperms", false)) { +#ifdef ENABLE_WALLET + if (!GetBoolArg("-disablewallet", false)) + return InitError("Error: -sysperms is not allowed in combination with enabled wallet functionality"); +#endif + } else { + umask(077); + } + + // Clean shutdown on SIGTERM + struct sigaction sa; + sa.sa_handler = HandleSIGTERM; + sigemptyset(&sa.sa_mask); + sa.sa_flags = 0; + sigaction(SIGTERM, &sa, NULL); + sigaction(SIGINT, &sa, NULL); + + // Reopen debug.log on SIGHUP + struct sigaction sa_hup; + sa_hup.sa_handler = HandleSIGHUP; + sigemptyset(&sa_hup.sa_mask); + sa_hup.sa_flags = 0; + sigaction(SIGHUP, &sa_hup, NULL); + +#if defined (__SVR4) && defined (__sun) + // ignore SIGPIPE on Solaris + signal(SIGPIPE, SIG_IGN); +#endif +#endif + + // ********************************************************* Step 2: parameter interactions + // Set this early so that parameter interactions go to console + fPrintToConsole = GetBoolArg("-printtoconsole", false); + fLogTimestamps = GetBoolArg("-logtimestamps", true); + fLogIPs = GetBoolArg("-logips", false); + + if (mapArgs.count("-bind") || mapArgs.count("-whitebind")) { + // when specifying an explicit binding address, you want to listen on it + // even when -connect or -proxy is specified + if (SoftSetBoolArg("-listen", true)) + LogPrintf("AppInit2 : parameter interaction: -bind or -whitebind set -> setting -listen=1\n"); + } + + 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("AppInit2 : parameter interaction: -connect set -> setting -dnsseed=0\n"); + if (SoftSetBoolArg("-listen", false)) + LogPrintf("AppInit2 : parameter interaction: -connect set -> setting -listen=0\n"); + } + + if (mapArgs.count("-proxy")) { + // to protect privacy, do not listen by default if a default proxy server is specified + if (SoftSetBoolArg("-listen", false)) + LogPrintf("AppInit2 : parameter interaction: -proxy set -> setting -listen=0\n"); + // to protect privacy, do not discover addresses by default + if (SoftSetBoolArg("-discover", false)) + LogPrintf("AppInit2 : parameter interaction: -proxy set -> setting -discover=0\n"); + } + + if (!GetBoolArg("-listen", true)) { + // do not map ports or try to retrieve public IP when not listening (pointless) + if (SoftSetBoolArg("-upnp", false)) + LogPrintf("AppInit2 : parameter interaction: -listen=0 -> setting -upnp=0\n"); + if (SoftSetBoolArg("-discover", false)) + LogPrintf("AppInit2 : parameter interaction: -listen=0 -> setting -discover=0\n"); + } + + if (mapArgs.count("-externalip")) { + // if an explicit public IP is specified, do not try to find others + if (SoftSetBoolArg("-discover", false)) + LogPrintf("AppInit2 : parameter interaction: -externalip set -> setting -discover=0\n"); + } + + if (GetBoolArg("-salvagewallet", false)) { + // Rewrite just private keys: rescan to find transactions + if (SoftSetBoolArg("-rescan", true)) + LogPrintf("AppInit2 : parameter interaction: -salvagewallet=1 -> setting -rescan=1\n"); + } + + // -zapwallettx implies a rescan + if (GetBoolArg("-zapwallettxes", false)) { + if (SoftSetBoolArg("-rescan", true)) + LogPrintf("AppInit2 : parameter interaction: -zapwallettxes=<mode> -> setting -rescan=1\n"); + } + + // 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; + + // ********************************************************* 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 defaults to true in regtest mode + mempool.setSanityCheck(GetBoolArg("-checkmempool", Params().DefaultCheckMemPool())); + Checkpoints::fEnabled = 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); +#ifdef ENABLE_WALLET + bool fDisableWallet = GetBoolArg("-disablewallet", false); +#endif + + nConnectTimeout = GetArg("-timeout", DEFAULT_CONNECT_TIMEOUT); + if (nConnectTimeout <= 0) + nConnectTimeout = DEFAULT_CONNECT_TIMEOUT; + + // Continue to put "/P2SH/" in the coinbase to monitor + // BIP16 support. + // This can be removed eventually... + const char* pszP2SH = "/P2SH/"; + COINBASE_FLAGS << std::vector<unsigned char>(pszP2SH, pszP2SH+strlen(pszP2SH)); + + // Fee-per-kilobyte amount considered the same as "free" + // If you are mining, be careful setting this: + // if you set it to zero then + // a transaction spammer can cheaply fill blocks using + // 1-satoshi-fee transactions. It should be set above the real + // cost to you of processing a transaction. + if (mapArgs.count("-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")) + { + 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())); + } + } + nTxConfirmTarget = GetArg("-txconfirmtarget", 1); + bSpendZeroConfChange = GetArg("-spendzeroconfchange", true); + fSendFreeTransactions = GetArg("-sendfreetransactions", false); + + std::string strWalletFile = GetArg("-wallet", "wallet.dat"); +#endif // ENABLE_WALLET + + fIsBareMultisigStd = GetArg("-permitbaremultisig", true) != 0; + nMaxDatacarrierBytes = GetArg("-datacarriersize", nMaxDatacarrierBytes); + + // ********************************************************* Step 4: application initialization: dir lock, daemonize, pidfile, debug log + + // 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 Core is probably already running."), strDataDir)); +#ifndef WIN32 + CreatePidFile(GetPidFile(), getpid()); +#endif + if (GetBoolArg("-shrinkdebugfile", !fDebug)) + ShrinkDebugFile(); + LogPrintf("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"); + LogPrintf("Bitcoin version %s (%s)\n", FormatFullVersion(), CLIENT_DATE); + LogPrintf("Using OpenSSL version %s\n", SSLeay_version(SSLEAY_VERSION)); +#ifdef ENABLE_WALLET + LogPrintf("Using BerkeleyDB version %s\n", DbEnv::version(0, 0, 0)); +#endif + if (!fLogTimestamps) + LogPrintf("Startup time: %s\n", DateTimeStrFormat("%Y-%m-%d %H:%M:%S", GetTime())); + LogPrintf("Default data directory %s\n", GetDefaultDataDir().string()); + LogPrintf("Using data directory %s\n", strDataDir); + LogPrintf("Using config file %s\n", GetConfigFile().string()); + LogPrintf("Using at most %i connections (%i file descriptors available)\n", nMaxConnections, nFD); + std::ostringstream strErrors; + + LogPrintf("Using %u threads for script verification\n", nScriptCheckThreads); + if (nScriptCheckThreads) { + for (int i=0; i<nScriptCheckThreads-1; i++) + threadGroup.create_thread(&ThreadScriptCheck); + } + + /* 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); + StartRPCThreads(); + } + + int64_t nStart; + + // ********************************************************* Step 5: verify wallet database integrity +#ifdef ENABLE_WALLET + if (!fDisableWallet) { + LogPrintf("Using wallet %s\n", strWalletFile); + uiInterface.InitMessage(_("Verifying wallet...")); + + if (!bitdb.Open(GetDataDir())) + { + // try moving the database env out of the way + boost::filesystem::path pathDatabase = GetDataDir() / "database"; + boost::filesystem::path pathDatabaseBak = GetDataDir() / strprintf("database.%d.bak", GetTime()); + try { + boost::filesystem::rename(pathDatabase, pathDatabaseBak); + LogPrintf("Moved old %s to %s. Retrying.\n", pathDatabase.string(), pathDatabaseBak.string()); + } catch(boost::filesystem::filesystem_error &error) { + // failure is ok (well, not really, but it's not worse than what we started with) + } + + // try again + if (!bitdb.Open(GetDataDir())) { + // if it still fails, it probably means we can't even create the database env + string msg = strprintf(_("Error initializing wallet database environment %s!"), strDataDir); + return InitError(msg); + } + } + + if (GetBoolArg("-salvagewallet", false)) + { + // Recover readable keypairs: + if (!CWalletDB::Recover(bitdb, strWalletFile, true)) + return false; + } + + if (filesystem::exists(GetDataDir() / strWalletFile)) + { + CDBEnv::VerifyResult r = bitdb.Verify(strWalletFile, CWalletDB::Recover); + if (r == CDBEnv::RECOVER_OK) + { + string msg = strprintf(_("Warning: wallet.dat corrupt, data salvaged!" + " Original wallet.dat saved as wallet.{timestamp}.bak in %s; if" + " your balance or transactions are incorrect you should" + " restore from a backup."), strDataDir); + InitWarning(msg); + } + if (r == CDBEnv::RECOVER_FAIL) + return InitError(_("wallet.dat corrupt, salvage failed")); + } + } // (!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)); + 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); + } + } + + CService addrProxy; + bool fProxy = false; + if (mapArgs.count("-proxy")) { + addrProxy = CService(mapArgs["-proxy"], 9050); + if (!addrProxy.IsValid()) + return InitError(strprintf(_("Invalid -proxy address: '%s'"), mapArgs["-proxy"])); + + SetProxy(NET_IPV4, addrProxy); + SetProxy(NET_IPV6, addrProxy); + SetNameProxy(addrProxy); + fProxy = true; + } + + // -onion can override normal proxy, -noonion disables tor entirely + if (!(mapArgs.count("-onion") && mapArgs["-onion"] == "0") && + (fProxy || mapArgs.count("-onion"))) { + CService addrOnion; + if (!mapArgs.count("-onion")) + addrOnion = addrProxy; + else + addrOnion = CService(mapArgs["-onion"], 9050); + 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 + 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(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(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(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(string strDest, mapMultiArgs["-seednode"]) + AddOneShot(strDest); + + // ********************************************************* Step 7: load block chain + + fReindex = GetBoolArg("-reindex", false); + + // Upgrading to 0.8; hard-link the old blknnnn.dat files into /blocks/ + filesystem::path blocksDir = GetDataDir() / "blocks"; + if (!filesystem::exists(blocksDir)) + { + filesystem::create_directories(blocksDir); + bool linked = false; + for (unsigned int i = 1; i < 10000; i++) { + filesystem::path source = GetDataDir() / strprintf("blk%04u.dat", i); + if (!filesystem::exists(source)) break; + filesystem::path dest = blocksDir / strprintf("blk%05u.dat", i-1); + try { + filesystem::create_hard_link(source, dest); + LogPrintf("Hardlinked %s -> %s\n", source.string(), dest.string()); + linked = true; + } catch (filesystem::filesystem_error & e) { + // Note: hardlink creation failing is not a disaster, it just means + // blocks will get re-downloaded from peers. + LogPrintf("Error hardlinking blk%04u.dat : %s\n", i, e.what()); + break; + } + } + if (linked) + { + fReindex = true; + } + } + + // cache size calculations + size_t nTotalCache = (GetArg("-dbcache", nDefaultDbCache) << 20); + if (nTotalCache < (nMinDbCache << 20)) + nTotalCache = (nMinDbCache << 20); // total cache cannot be less than nMinDbCache + else if (nTotalCache > (nMaxDbCache << 20)) + nTotalCache = (nMaxDbCache << 20); // total cache cannot be greater than nMaxDbCache + size_t nBlockTreeDBCache = nTotalCache / 8; + if (nBlockTreeDBCache > (1 << 21) && !GetBoolArg("-txindex", false)) + nBlockTreeDBCache = (1 << 21); // block tree db cache shouldn't be larger than 2 MiB + nTotalCache -= nBlockTreeDBCache; + size_t nCoinDBCache = nTotalCache / 2; // use half of the remaining cache for coindb cache + nTotalCache -= nCoinDBCache; + nCoinCacheSize = nTotalCache / 300; // coins in memory require around 300 bytes + + bool fLoaded = false; + while (!fLoaded) { + bool fReset = fReindex; + std::string strLoadError; + + uiInterface.InitMessage(_("Loading block index...")); + + nStart = GetTimeMillis(); + do { + try { + UnloadBlockIndex(); + delete pcoinsTip; + delete pcoinsdbview; + delete pblocktree; + + pblocktree = new CBlockTreeDB(nBlockTreeDBCache, false, fReindex); + pcoinsdbview = new CCoinsViewDB(nCoinDBCache, false, fReindex); + pcoinsTip = new CCoinsViewCache(pcoinsdbview); + + if (fReindex) + pblocktree->WriteReindexing(true); + + if (!LoadBlockIndex()) { + strLoadError = _("Error loading block database"); + break; + } + + // If the loaded chain has a wrong genesis, bail out immediately + // (we're likely using a testnet datadir, or the other way around). + if (!mapBlockIndex.empty() && mapBlockIndex.count(Params().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; + } + + uiInterface.InitMessage(_("Verifying blocks...")); + if (!CVerifyDB().VerifyDB(pcoinsdbview, GetArg("-checklevel", 3), + GetArg("-checkblocks", 288))) { + strLoadError = _("Corrupted block database detected"); + break; + } + } catch(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<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; + } + + uiInterface.InitMessage(_("Loading wallet...")); + + nStart = GetTimeMillis(); + bool fFirstRun = true; + pwalletMain = new CWallet(strWalletFile); + DBErrors nLoadWalletRet = pwalletMain->LoadWallet(fFirstRun); + if (nLoadWalletRet != DB_LOAD_OK) + { + if (nLoadWalletRet == DB_CORRUPT) + strErrors << _("Error loading wallet.dat: Wallet corrupted") << "\n"; + else if (nLoadWalletRet == DB_NONCRITICAL_ERROR) + { + string msg(_("Warning: error reading wallet.dat! All keys read correctly, but transaction data" + " or address book entries might be missing or incorrect.")); + InitWarning(msg); + } + else if (nLoadWalletRet == DB_TOO_NEW) + strErrors << _("Error loading wallet.dat: Wallet requires newer version of Bitcoin Core") << "\n"; + else if (nLoadWalletRet == DB_NEED_REWRITE) + { + strErrors << _("Wallet needed to be rewritten: restart Bitcoin Core to complete") << "\n"; + LogPrintf("%s", strErrors.str()); + return InitError(strErrors.str()); + } + else + strErrors << _("Error loading wallet.dat") << "\n"; + } + + if (GetBoolArg("-upgradewallet", fFirstRun)) + { + int nMaxVersion = GetArg("-upgradewallet", 0); + if (nMaxVersion == 0) // the -upgradewallet without argument case + { + LogPrintf("Performing wallet upgrade to %i\n", FEATURE_LATEST); + nMaxVersion = CLIENT_VERSION; + pwalletMain->SetMinVersion(FEATURE_LATEST); // permanently upgrade the wallet immediately + } + else + LogPrintf("Allowing wallet upgrade up to %i\n", nMaxVersion); + if (nMaxVersion < pwalletMain->GetVersion()) + strErrors << _("Cannot downgrade wallet") << "\n"; + pwalletMain->SetMaxVersion(nMaxVersion); + } + + if (fFirstRun) + { + // Create new keyUser and set as default key + RandAddSeedPerfmon(); + + CPubKey newDefaultKey; + if (pwalletMain->GetKeyFromPool(newDefaultKey)) { + pwalletMain->SetDefaultKey(newDefaultKey); + if (!pwalletMain->SetAddressBook(pwalletMain->vchDefaultKey.GetID(), "", "receive")) + strErrors << _("Cannot write default address") << "\n"; + } + + pwalletMain->SetBestChain(chainActive.GetLocator()); + } + + LogPrintf("%s", strErrors.str()); + LogPrintf(" wallet %15dms\n", GetTimeMillis() - nStart); + + RegisterValidationInterface(pwalletMain); + + CBlockIndex *pindexRescan = chainActive.Tip(); + if (GetBoolArg("-rescan", false)) + pindexRescan = chainActive.Genesis(); + else + { + CWalletDB walletdb(strWalletFile); + CBlockLocator locator; + if (walletdb.ReadBestBlock(locator)) + pindexRescan = FindForkInGlobalIndex(chainActive, locator); + else + pindexRescan = chainActive.Genesis(); + } + if (chainActive.Tip() && chainActive.Tip() != pindexRescan) + { + 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") + { + 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(); + } + } + } + } + } // (!fDisableWallet) +#else // ENABLE_WALLET + LogPrintf("No wallet compiled in!\n"); +#endif // !ENABLE_WALLET + // ********************************************************* Step 9: import blocks + + if (mapArgs.count("-blocknotify")) + uiInterface.NotifyBlockTip.connect(BlockNotifyCallback); + + // 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"]) + vImportFiles.push_back(strFile); + } + threadGroup.create_thread(boost::bind(&ThreadImport, vImportFiles)); + + // ********************************************************* Step 10: start node + + if (!CheckDiskSpace()) + return false; + + if (!strErrors.str().empty()) + return InitError(strErrors.str()); + + RandAddSeedPerfmon(); + + //// debug print + LogPrintf("mapBlockIndex.size() = %u\n", mapBlockIndex.size()); + LogPrintf("nBestHeight = %d\n", chainActive.Height()); +#ifdef ENABLE_WALLET + LogPrintf("setKeyPool.size() = %u\n", pwalletMain ? pwalletMain->setKeyPool.size() : 0); + LogPrintf("mapWallet.size() = %u\n", pwalletMain ? pwalletMain->mapWallet.size() : 0); + LogPrintf("mapAddressBook.size() = %u\n", pwalletMain ? pwalletMain->mapAddressBook.size() : 0); +#endif + + StartNode(threadGroup); + +#ifdef ENABLE_WALLET + // Generate coins in the background + if (pwalletMain) + GenerateBitcoins(GetBoolArg("-gen", false), pwalletMain, GetArg("-genproclimit", 1)); +#endif + + // ********************************************************* Step 11: finished + + SetRPCWarmupFinished(); + uiInterface.InitMessage(_("Done loading")); + +#ifdef ENABLE_WALLET + if (pwalletMain) { + // Add wallet transactions that aren't already in a block to mapTransactions + pwalletMain->ReacceptWalletTransactions(); + + // Run a thread to flush wallet periodically + threadGroup.create_thread(boost::bind(&ThreadFlushWalletDB, boost::ref(pwalletMain->strWalletFile))); + } +#endif + + return !fRequestShutdown; +} |