1 // Copyright (c) 2009-2010 Satoshi Nakamoto
2 // Copyright (c) 2009-2014 The Bitcoin Core developers
3 // Distributed under the MIT software license, see the accompanying
4 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
6 #if defined(HAVE_CONFIG_H)
7 #include "config/bitcoin-config.h"
15 #include "chainparams.h"
16 #include "checkpoints.h"
17 #include "compat/sanity.h"
18 #include "consensus/validation.h"
19 #include "httpserver.h"
25 #include "policy/policy.h"
26 #include "rpcserver.h"
27 #include "script/standard.h"
28 #include "scheduler.h"
30 #include "txmempool.h"
31 #include "ui_interface.h"
33 #include "utilmoneystr.h"
34 #include "utilstrencodings.h"
35 #include "validationinterface.h"
37 #include "wallet/db.h"
38 #include "wallet/wallet.h"
39 #include "wallet/walletdb.h"
49 #include <boost/algorithm/string/predicate.hpp>
50 #include <boost/algorithm/string/replace.hpp>
51 #include <boost/bind.hpp>
52 #include <boost/filesystem.hpp>
53 #include <boost/function.hpp>
54 #include <boost/interprocess/sync/file_lock.hpp>
55 #include <boost/thread.hpp>
56 #include <openssl/crypto.h>
61 CWallet
* pwalletMain
= NULL
;
63 bool fFeeEstimatesInitialized
= false;
66 // Win32 LevelDB doesn't use filedescriptors, and the ones used for
67 // accessing block files don't count towards the fd_set size limit
69 #define MIN_CORE_FILEDESCRIPTORS 0
71 #define MIN_CORE_FILEDESCRIPTORS 150
74 /** Used to pass flags to the Bind() function */
77 BF_EXPLICIT
= (1U << 0),
78 BF_REPORT_ERROR
= (1U << 1),
79 BF_WHITELIST
= (1U << 2),
82 static const char* FEE_ESTIMATES_FILENAME
="fee_estimates.dat";
83 CClientUIInterface uiInterface
; // Declared but not defined in ui_interface.h
85 //////////////////////////////////////////////////////////////////////////////
91 // Thread management and startup/shutdown:
93 // The network-processing threads are all part of a thread group
94 // created by AppInit() or the Qt main() function.
96 // A clean exit happens when StartShutdown() or the SIGTERM
97 // signal handler sets fRequestShutdown, which triggers
98 // the DetectShutdownThread(), which interrupts the main thread group.
99 // DetectShutdownThread() then exits, which causes AppInit() to
100 // continue (it .joins the shutdown thread).
101 // Shutdown() is then
102 // called to clean up database connections, and stop other
103 // threads that should only be stopped after the main network-processing
104 // threads have exited.
106 // Note that if running -daemon the parent process returns from AppInit2
107 // before adding any threads to the threadGroup, so .join_all() returns
108 // immediately and the parent exits from main().
110 // Shutdown for Qt is very similar, only it uses a QTimer to detect
111 // fRequestShutdown getting set, and then does the normal Qt
115 volatile bool fRequestShutdown
= false;
119 fRequestShutdown
= true;
121 bool ShutdownRequested()
123 return fRequestShutdown
;
126 class CCoinsViewErrorCatcher
: public CCoinsViewBacked
129 CCoinsViewErrorCatcher(CCoinsView
* view
) : CCoinsViewBacked(view
) {}
130 bool GetCoins(const uint256
&txid
, CCoins
&coins
) const {
132 return CCoinsViewBacked::GetCoins(txid
, coins
);
133 } catch(const std::runtime_error
& e
) {
134 uiInterface
.ThreadSafeMessageBox(_("Error reading from database, shutting down."), "", CClientUIInterface::MSG_ERROR
);
135 LogPrintf("Error reading from database: %s\n", e
.what());
136 // Starting the shutdown sequence and returning false to the caller would be
137 // interpreted as 'entry not found' (as opposed to unable to read data), and
138 // could lead to invalid interpretation. Just exit immediately, as we can't
139 // continue anyway, and all writes should be atomic.
143 // Writes do not need similar protection, as failure to write is handled by the caller.
146 static CCoinsViewDB
*pcoinsdbview
= NULL
;
147 static CCoinsViewErrorCatcher
*pcoinscatcher
= NULL
;
149 void Interrupt(boost::thread_group
& threadGroup
)
151 InterruptHTTPServer();
155 threadGroup
.interrupt_all();
160 LogPrintf("%s: In progress...\n", __func__
);
161 static CCriticalSection cs_Shutdown
;
162 TRY_LOCK(cs_Shutdown
, lockShutdown
);
166 /// Note: Shutdown() must be able to handle cases in which AppInit2() failed part of the way,
167 /// for example if the data directory was found to be locked.
168 /// Be sure that anything that writes files or flushes caches only does this if the respective
169 /// module was initialized.
170 RenameThread("bitcoin-shutoff");
171 mempool
.AddTransactionsUpdated(1);
179 pwalletMain
->Flush(false);
181 GenerateBitcoins(false, 0, Params());
183 UnregisterNodeSignals(GetNodeSignals());
185 if (fFeeEstimatesInitialized
)
187 boost::filesystem::path est_path
= GetDataDir() / FEE_ESTIMATES_FILENAME
;
188 CAutoFile
est_fileout(fopen(est_path
.string().c_str(), "wb"), SER_DISK
, CLIENT_VERSION
);
189 if (!est_fileout
.IsNull())
190 mempool
.WriteFeeEstimates(est_fileout
);
192 LogPrintf("%s: Failed to write fee estimates to %s\n", __func__
, est_path
.string());
193 fFeeEstimatesInitialized
= false;
198 if (pcoinsTip
!= NULL
) {
203 delete pcoinscatcher
;
204 pcoinscatcher
= NULL
;
212 pwalletMain
->Flush(true);
216 boost::filesystem::remove(GetPidFile());
217 } catch (const boost::filesystem::filesystem_error
& e
) {
218 LogPrintf("%s: Unable to remove pidfile: %s\n", __func__
, e
.what());
221 UnregisterAllValidationInterfaces();
227 LogPrintf("%s: done\n", __func__
);
231 * Signal handlers are very limited in what they are allowed to do, so:
233 void HandleSIGTERM(int)
235 fRequestShutdown
= true;
238 void HandleSIGHUP(int)
240 fReopenDebugLog
= true;
243 bool static InitError(const std::string
&str
)
245 uiInterface
.ThreadSafeMessageBox(str
, "", CClientUIInterface::MSG_ERROR
);
249 bool static InitWarning(const std::string
&str
)
251 uiInterface
.ThreadSafeMessageBox(str
, "", CClientUIInterface::MSG_WARNING
);
255 bool static Bind(const CService
&addr
, unsigned int flags
) {
256 if (!(flags
& BF_EXPLICIT
) && IsLimited(addr
))
258 std::string strError
;
259 if (!BindListenPort(addr
, strError
, (flags
& BF_WHITELIST
) != 0)) {
260 if (flags
& BF_REPORT_ERROR
)
261 return InitError(strError
);
269 cvBlockChange
.notify_all();
270 LogPrint("rpc", "RPC stopped.\n");
273 void OnRPCPreCommand(const CRPCCommand
& cmd
)
276 string strWarning
= GetWarnings("rpc");
277 if (strWarning
!= "" && !GetBoolArg("-disablesafemode", false) &&
279 throw JSONRPCError(RPC_FORBIDDEN_BY_SAFE_MODE
, string("Safe mode: ") + strWarning
);
282 std::string
HelpMessage(HelpMessageMode mode
)
284 const bool showDebug
= GetBoolArg("-help-debug", false);
286 // When adding new options to the categories, please keep and ensure alphabetical ordering.
287 // Do not translate _(...) -help-debug options, Many technical terms, and only a very small audience, so is unnecessary stress to translators.
288 string strUsage
= HelpMessageGroup(_("Options:"));
289 strUsage
+= HelpMessageOpt("-?", _("This help message"));
290 strUsage
+= HelpMessageOpt("-alerts", strprintf(_("Receive and display P2P network alerts (default: %u)"), DEFAULT_ALERTS
));
291 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)"));
292 strUsage
+= HelpMessageOpt("-blocknotify=<cmd>", _("Execute command when the best block changes (%s in cmd is replaced by block hash)"));
293 strUsage
+= HelpMessageOpt("-checkblocks=<n>", strprintf(_("How many blocks to check at startup (default: %u, 0 = all)"), 288));
294 strUsage
+= HelpMessageOpt("-checklevel=<n>", strprintf(_("How thorough the block verification of -checkblocks is (0-4, default: %u)"), 3));
295 strUsage
+= HelpMessageOpt("-conf=<file>", strprintf(_("Specify configuration file (default: %s)"), "bitcoin.conf"));
296 if (mode
== HMM_BITCOIND
)
299 strUsage
+= HelpMessageOpt("-daemon", _("Run in the background as a daemon and accept commands"));
302 strUsage
+= HelpMessageOpt("-datadir=<dir>", _("Specify data directory"));
303 strUsage
+= HelpMessageOpt("-dbcache=<n>", strprintf(_("Set database cache size in megabytes (%d to %d, default: %d)"), nMinDbCache
, nMaxDbCache
, nDefaultDbCache
));
304 strUsage
+= HelpMessageOpt("-loadblock=<file>", _("Imports blocks from external blk000??.dat file") + " " + _("on startup"));
305 strUsage
+= HelpMessageOpt("-maxorphantx=<n>", strprintf(_("Keep at most <n> unconnectable transactions in memory (default: %u)"), DEFAULT_MAX_ORPHAN_TRANSACTIONS
));
306 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)"),
307 -GetNumCores(), MAX_SCRIPTCHECK_THREADS
, DEFAULT_SCRIPTCHECK_THREADS
));
309 strUsage
+= HelpMessageOpt("-pid=<file>", strprintf(_("Specify pid file (default: %s)"), "bitcoind.pid"));
311 strUsage
+= HelpMessageOpt("-prune=<n>", strprintf(_("Reduce storage requirements by pruning (deleting) old blocks. This mode is incompatible with -txindex and -rescan. "
312 "Warning: Reverting this setting requires re-downloading the entire blockchain. "
313 "(default: 0 = disable pruning blocks, >%u = target size in MiB to use for block files)"), MIN_DISK_SPACE_FOR_BLOCK_FILES
/ 1024 / 1024));
314 strUsage
+= HelpMessageOpt("-reindex", _("Rebuild block chain index from current blk000??.dat files on startup"));
316 strUsage
+= HelpMessageOpt("-sysperms", _("Create new files with system default permissions, instead of umask 077 (only effective with disabled wallet functionality)"));
318 strUsage
+= HelpMessageOpt("-txindex", strprintf(_("Maintain a full transaction index, used by the getrawtransaction rpc call (default: %u)"), 0));
320 strUsage
+= HelpMessageGroup(_("Connection options:"));
321 strUsage
+= HelpMessageOpt("-addnode=<ip>", _("Add a node to connect to and attempt to keep the connection open"));
322 strUsage
+= HelpMessageOpt("-banscore=<n>", strprintf(_("Threshold for disconnecting misbehaving peers (default: %u)"), 100));
323 strUsage
+= HelpMessageOpt("-bantime=<n>", strprintf(_("Number of seconds to keep misbehaving peers from reconnecting (default: %u)"), 86400));
324 strUsage
+= HelpMessageOpt("-bind=<addr>", _("Bind to given address and always listen on it. Use [host]:port notation for IPv6"));
325 strUsage
+= HelpMessageOpt("-connect=<ip>", _("Connect only to the specified node(s)"));
326 strUsage
+= HelpMessageOpt("-discover", _("Discover own IP addresses (default: 1 when listening and no -externalip or -proxy)"));
327 strUsage
+= HelpMessageOpt("-dns", _("Allow DNS lookups for -addnode, -seednode and -connect") + " " + _("(default: 1)"));
328 strUsage
+= HelpMessageOpt("-dnsseed", _("Query for peer addresses via DNS lookup, if low on addresses (default: 1 unless -connect)"));
329 strUsage
+= HelpMessageOpt("-externalip=<ip>", _("Specify your own public address"));
330 strUsage
+= HelpMessageOpt("-forcednsseed", strprintf(_("Always query for peer addresses via DNS lookup (default: %u)"), 0));
331 strUsage
+= HelpMessageOpt("-listen", _("Accept connections from outside (default: 1 if no -proxy or -connect)"));
332 strUsage
+= HelpMessageOpt("-maxconnections=<n>", strprintf(_("Maintain at most <n> connections to peers (default: %u)"), DEFAULT_MAX_PEER_CONNECTIONS
));
333 strUsage
+= HelpMessageOpt("-maxreceivebuffer=<n>", strprintf(_("Maximum per-connection receive buffer, <n>*1000 bytes (default: %u)"), 5000));
334 strUsage
+= HelpMessageOpt("-maxsendbuffer=<n>", strprintf(_("Maximum per-connection send buffer, <n>*1000 bytes (default: %u)"), 1000));
335 strUsage
+= HelpMessageOpt("-onion=<ip:port>", strprintf(_("Use separate SOCKS5 proxy to reach peers via Tor hidden services (default: %s)"), "-proxy"));
336 strUsage
+= HelpMessageOpt("-onlynet=<net>", _("Only connect to nodes in network <net> (ipv4, ipv6 or onion)"));
337 strUsage
+= HelpMessageOpt("-permitbaremultisig", strprintf(_("Relay non-P2SH multisig (default: %u)"), 1));
338 strUsage
+= HelpMessageOpt("-port=<port>", strprintf(_("Listen for connections on <port> (default: %u or testnet: %u)"), 8333, 18333));
339 strUsage
+= HelpMessageOpt("-proxy=<ip:port>", _("Connect through SOCKS5 proxy"));
340 strUsage
+= HelpMessageOpt("-proxyrandomize", strprintf(_("Randomize credentials for every proxy connection. This enables Tor stream isolation (default: %u)"), 1));
341 strUsage
+= HelpMessageOpt("-seednode=<ip>", _("Connect to a node to retrieve peer addresses, and disconnect"));
342 strUsage
+= HelpMessageOpt("-timeout=<n>", strprintf(_("Specify connection timeout in milliseconds (minimum: 1, default: %d)"), DEFAULT_CONNECT_TIMEOUT
));
345 strUsage
+= HelpMessageOpt("-upnp", _("Use UPnP to map the listening port (default: 1 when listening and no -proxy)"));
347 strUsage
+= HelpMessageOpt("-upnp", strprintf(_("Use UPnP to map the listening port (default: %u)"), 0));
350 strUsage
+= HelpMessageOpt("-whitebind=<addr>", _("Bind to given address and whitelist peers connecting to it. Use [host]:port notation for IPv6"));
351 strUsage
+= HelpMessageOpt("-whitelist=<netmask>", _("Whitelist peers connecting from the given netmask or IP address. Can be specified multiple times.") +
352 " " + _("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"));
355 strUsage
+= HelpMessageGroup(_("Wallet options:"));
356 strUsage
+= HelpMessageOpt("-disablewallet", _("Do not load the wallet and disable wallet RPC calls"));
357 strUsage
+= HelpMessageOpt("-keypool=<n>", strprintf(_("Set key pool size to <n> (default: %u)"), 100));
359 strUsage
+= HelpMessageOpt("-mintxfee=<amt>", strprintf("Fees (in %s/kB) smaller than this are considered zero fee for transaction creation (default: %s)",
360 CURRENCY_UNIT
, FormatMoney(CWallet::minTxFee
.GetFeePerK())));
361 strUsage
+= HelpMessageOpt("-paytxfee=<amt>", strprintf(_("Fee (in %s/kB) to add to transactions you send (default: %s)"),
362 CURRENCY_UNIT
, FormatMoney(payTxFee
.GetFeePerK())));
363 strUsage
+= HelpMessageOpt("-rescan", _("Rescan the block chain for missing wallet transactions") + " " + _("on startup"));
364 strUsage
+= HelpMessageOpt("-salvagewallet", _("Attempt to recover private keys from a corrupt wallet.dat") + " " + _("on startup"));
365 strUsage
+= HelpMessageOpt("-sendfreetransactions", strprintf(_("Send transactions as zero-fee transactions if possible (default: %u)"), 0));
366 strUsage
+= HelpMessageOpt("-spendzeroconfchange", strprintf(_("Spend unconfirmed change when sending transactions (default: %u)"), 1));
367 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
));
368 strUsage
+= HelpMessageOpt("-maxtxfee=<amt>", strprintf(_("Maximum total fees (in %s) to use in a single wallet transaction; setting this too low may abort large transactions (default: %s)"),
369 CURRENCY_UNIT
, FormatMoney(maxTxFee
)));
370 strUsage
+= HelpMessageOpt("-upgradewallet", _("Upgrade wallet to latest format") + " " + _("on startup"));
371 strUsage
+= HelpMessageOpt("-wallet=<file>", _("Specify wallet file (within data directory)") + " " + strprintf(_("(default: %s)"), "wallet.dat"));
372 strUsage
+= HelpMessageOpt("-walletbroadcast", _("Make the wallet broadcast transactions") + " " + strprintf(_("(default: %u)"), true));
373 strUsage
+= HelpMessageOpt("-walletnotify=<cmd>", _("Execute command when a wallet transaction changes (%s in cmd is replaced by TxID)"));
374 strUsage
+= HelpMessageOpt("-zapwallettxes=<mode>", _("Delete all wallet transactions and only recover those parts of the blockchain through -rescan on startup") +
375 " " + _("(1 = keep tx meta data e.g. account owner and payment request information, 2 = drop tx meta data)"));
378 strUsage
+= HelpMessageGroup(_("Debugging/Testing options:"));
381 strUsage
+= HelpMessageOpt("-checkpoints", strprintf("Disable expensive verification for known chain history (default: %u)", 1));
382 strUsage
+= HelpMessageOpt("-dblogsize=<n>", strprintf("Flush database activity from memory pool to disk log every <n> megabytes (default: %u)", 100));
383 strUsage
+= HelpMessageOpt("-disablesafemode", strprintf("Disable safemode, override a real safe mode event (default: %u)", 0));
384 strUsage
+= HelpMessageOpt("-testsafemode", strprintf("Force safe mode (default: %u)", 0));
385 strUsage
+= HelpMessageOpt("-dropmessagestest=<n>", "Randomly drop 1 of every <n> network messages");
386 strUsage
+= HelpMessageOpt("-fuzzmessagestest=<n>", "Randomly fuzz 1 of every <n> network messages");
387 strUsage
+= HelpMessageOpt("-flushwallet", strprintf("Run a thread to flush wallet periodically (default: %u)", 1));
388 strUsage
+= HelpMessageOpt("-stopafterblockimport", strprintf("Stop running after importing blocks from disk (default: %u)", 0));
390 string debugCategories
= "addrman, alert, bench, coindb, db, lock, rand, rpc, selectcoins, mempool, mempoolrej, net, proxy, prune, http"; // Don't translate these and qt below
391 if (mode
== HMM_BITCOIN_QT
)
392 debugCategories
+= ", qt";
393 strUsage
+= HelpMessageOpt("-debug=<category>", strprintf(_("Output debugging information (default: %u, supplying <category> is optional)"), 0) + ". " +
394 _("If <category> is not supplied or if <category> = 1, output all debugging information.") + _("<category> can be:") + " " + debugCategories
+ ".");
395 strUsage
+= HelpMessageOpt("-gen", strprintf(_("Generate coins (default: %u)"), 0));
396 strUsage
+= HelpMessageOpt("-genproclimit=<n>", strprintf(_("Set the number of threads for coin generation if enabled (-1 = all cores, default: %d)"), 1));
397 strUsage
+= HelpMessageOpt("-help-debug", _("Show all debugging options (usage: --help -help-debug)"));
398 strUsage
+= HelpMessageOpt("-logips", strprintf(_("Include IP addresses in debug output (default: %u)"), 0));
399 strUsage
+= HelpMessageOpt("-logtimestamps", strprintf(_("Prepend debug output with timestamp (default: %u)"), 1));
402 strUsage
+= HelpMessageOpt("-limitfreerelay=<n>", strprintf("Continuously rate-limit free transactions to <n>*1000 bytes per minute (default: %u)", 15));
403 strUsage
+= HelpMessageOpt("-relaypriority", strprintf("Require high priority for relaying free or low-fee transactions (default: %u)", 1));
404 strUsage
+= HelpMessageOpt("-maxsigcachesize=<n>", strprintf("Limit size of signature cache to <n> entries (default: %u)", 50000));
406 strUsage
+= HelpMessageOpt("-minrelaytxfee=<amt>", strprintf(_("Fees (in %s/kB) smaller than this are considered zero fee for relaying (default: %s)"),
407 CURRENCY_UNIT
, FormatMoney(::minRelayTxFee
.GetFeePerK())));
408 strUsage
+= HelpMessageOpt("-printtoconsole", _("Send trace/debug info to console instead of debug.log file"));
411 strUsage
+= HelpMessageOpt("-printpriority", strprintf("Log transaction priority and fee per kB when mining blocks (default: %u)", 0));
412 strUsage
+= HelpMessageOpt("-privdb", strprintf("Sets the DB_PRIVATE flag in the wallet db environment (default: %u)", 1));
413 strUsage
+= HelpMessageOpt("-regtest", "Enter regression test mode, which uses a special chain in which blocks can be solved instantly. "
414 "This is intended for regression testing tools and app development.");
416 strUsage
+= HelpMessageOpt("-shrinkdebugfile", _("Shrink debug.log file on client startup (default: 1 when no -debug)"));
417 strUsage
+= HelpMessageOpt("-testnet", _("Use the test network"));
419 strUsage
+= HelpMessageGroup(_("Node relay options:"));
421 strUsage
+= HelpMessageOpt("-acceptnonstdtxn", strprintf("Relay and mine \"non-standard\" transactions (%sdefault: %u)", "testnet/regtest only; ", !Params(CBaseChainParams::TESTNET
).RequireStandard()));
422 strUsage
+= HelpMessageOpt("-datacarrier", strprintf(_("Relay and mine data carrier transactions (default: %u)"), 1));
423 strUsage
+= HelpMessageOpt("-datacarriersize", strprintf(_("Maximum size of data in data carrier transactions we relay and mine (default: %u)"), MAX_OP_RETURN_RELAY
));
425 strUsage
+= HelpMessageGroup(_("Block creation options:"));
426 strUsage
+= HelpMessageOpt("-blockminsize=<n>", strprintf(_("Set minimum block size in bytes (default: %u)"), 0));
427 strUsage
+= HelpMessageOpt("-blockmaxsize=<n>", strprintf(_("Set maximum block size in bytes (default: %d)"), DEFAULT_BLOCK_MAX_SIZE
));
428 strUsage
+= HelpMessageOpt("-blockprioritysize=<n>", strprintf(_("Set maximum size of high-priority/low-fee transactions in bytes (default: %d)"), DEFAULT_BLOCK_PRIORITY_SIZE
));
430 strUsage
+= HelpMessageOpt("-blockversion=<n>", strprintf("Override block version to test forking scenarios (default: %d)", (int)CBlock::CURRENT_VERSION
));
432 strUsage
+= HelpMessageGroup(_("RPC server options:"));
433 strUsage
+= HelpMessageOpt("-server", _("Accept command line and JSON-RPC commands"));
434 strUsage
+= HelpMessageOpt("-rest", strprintf(_("Accept public REST requests (default: %u)"), 0));
435 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)"));
436 strUsage
+= HelpMessageOpt("-rpcuser=<user>", _("Username for JSON-RPC connections"));
437 strUsage
+= HelpMessageOpt("-rpcpassword=<pw>", _("Password for JSON-RPC connections"));
438 strUsage
+= HelpMessageOpt("-rpcport=<port>", strprintf(_("Listen for JSON-RPC connections on <port> (default: %u or testnet: %u)"), 8332, 18332));
439 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"));
440 strUsage
+= HelpMessageOpt("-rpcthreads=<n>", strprintf(_("Set the number of threads to service RPC calls (default: %d)"), DEFAULT_HTTP_THREADS
));
442 strUsage
+= HelpMessageOpt("-rpcworkqueue=<n>", strprintf("Set the depth of the work queue to service RPC calls (default: %d)", DEFAULT_HTTP_WORKQUEUE
));
443 strUsage
+= HelpMessageOpt("-rpctimeout=<n>", strprintf("Timeout during HTTP requests (default: %d)", DEFAULT_HTTP_TIMEOUT
));
446 if (mode
== HMM_BITCOIN_QT
)
448 strUsage
+= HelpMessageGroup(_("UI Options:"));
450 strUsage
+= HelpMessageOpt("-allowselfsignedrootcertificates", "Allow self signed root certificates (default: 0)");
452 strUsage
+= HelpMessageOpt("-choosedatadir", _("Choose data directory on startup (default: 0)"));
453 strUsage
+= HelpMessageOpt("-lang=<lang>", _("Set language, for example \"de_DE\" (default: system locale)"));
454 strUsage
+= HelpMessageOpt("-min", _("Start minimized"));
455 strUsage
+= HelpMessageOpt("-rootcertificates=<file>", _("Set SSL root certificates for payment request (default: -system-)"));
456 strUsage
+= HelpMessageOpt("-splash", _("Show splash screen on startup (default: 1)"));
458 strUsage
+= HelpMessageOpt("-uiplatform", "Select platform to customize UI for (one of windows, macosx, other; default: platform compiled on)");
465 std::string
LicenseInfo()
467 return FormatParagraph(strprintf(_("Copyright (C) 2009-%i The Bitcoin Core Developers"), COPYRIGHT_YEAR
)) + "\n" +
469 FormatParagraph(_("This is experimental software.")) + "\n" +
471 FormatParagraph(_("Distributed under the MIT software license, see the accompanying file COPYING or <http://www.opensource.org/licenses/mit-license.php>.")) + "\n" +
473 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.")) +
477 static void BlockNotifyCallback(const uint256
& hashNewTip
)
479 std::string strCmd
= GetArg("-blocknotify", "");
481 boost::replace_all(strCmd
, "%s", hashNewTip
.GetHex());
482 boost::thread
t(runCommand
, strCmd
); // thread runs free
488 assert(fImporting
== false);
493 assert(fImporting
== true);
499 // If we're using -prune with -reindex, then delete block files that will be ignored by the
500 // reindex. Since reindexing works by starting at block file 0 and looping until a blockfile
501 // is missing, do the same here to delete any later block files after a gap. Also delete all
502 // rev files since they'll be rewritten by the reindex anyway. This ensures that vinfoBlockFile
503 // is in sync with what's actually on disk by the time we start downloading, so that pruning
505 void CleanupBlockRevFiles()
507 using namespace boost::filesystem
;
508 map
<string
, path
> mapBlockFiles
;
510 // Glob all blk?????.dat and rev?????.dat files from the blocks directory.
511 // Remove the rev files immediately and insert the blk file paths into an
512 // ordered map keyed by block file index.
513 LogPrintf("Removing unusable blk?????.dat and rev?????.dat files for -reindex with -prune\n");
514 path blocksdir
= GetDataDir() / "blocks";
515 for (directory_iterator
it(blocksdir
); it
!= directory_iterator(); it
++) {
516 if (is_regular_file(*it
) &&
517 it
->path().filename().string().length() == 12 &&
518 it
->path().filename().string().substr(8,4) == ".dat")
520 if (it
->path().filename().string().substr(0,3) == "blk")
521 mapBlockFiles
[it
->path().filename().string().substr(3,5)] = it
->path();
522 else if (it
->path().filename().string().substr(0,3) == "rev")
527 // Remove all block files that aren't part of a contiguous set starting at
528 // zero by walking the ordered map (keys are block file indices) by
529 // keeping a separate counter. Once we hit a gap (or if 0 doesn't exist)
530 // start removing block files.
531 int nContigCounter
= 0;
532 BOOST_FOREACH(const PAIRTYPE(string
, path
)& item
, mapBlockFiles
) {
533 if (atoi(item
.first
) == nContigCounter
) {
541 void ThreadImport(std::vector
<boost::filesystem::path
> vImportFiles
)
543 RenameThread("bitcoin-loadblk");
549 CDiskBlockPos
pos(nFile
, 0);
550 if (!boost::filesystem::exists(GetBlockPosFilename(pos
, "blk")))
551 break; // No block files left to reindex
552 FILE *file
= OpenBlockFile(pos
, true);
554 break; // This error is logged in OpenBlockFile
555 LogPrintf("Reindexing block file blk%05u.dat...\n", (unsigned int)nFile
);
556 LoadExternalBlockFile(file
, &pos
);
559 pblocktree
->WriteReindexing(false);
561 LogPrintf("Reindexing finished\n");
562 // To avoid ending up in a situation without genesis block, re-try initializing (no-op if reindexing worked):
566 // hardcoded $DATADIR/bootstrap.dat
567 boost::filesystem::path pathBootstrap
= GetDataDir() / "bootstrap.dat";
568 if (boost::filesystem::exists(pathBootstrap
)) {
569 FILE *file
= fopen(pathBootstrap
.string().c_str(), "rb");
572 boost::filesystem::path pathBootstrapOld
= GetDataDir() / "bootstrap.dat.old";
573 LogPrintf("Importing bootstrap.dat...\n");
574 LoadExternalBlockFile(file
);
575 RenameOver(pathBootstrap
, pathBootstrapOld
);
577 LogPrintf("Warning: Could not open bootstrap file %s\n", pathBootstrap
.string());
582 BOOST_FOREACH(const boost::filesystem::path
& path
, vImportFiles
) {
583 FILE *file
= fopen(path
.string().c_str(), "rb");
586 LogPrintf("Importing blocks file %s...\n", path
.string());
587 LoadExternalBlockFile(file
);
589 LogPrintf("Warning: Could not open blocks file %s\n", path
.string());
593 if (GetBoolArg("-stopafterblockimport", false)) {
594 LogPrintf("Stopping after block import\n");
600 * Ensure that Bitcoin is running in a usable environment with all
601 * necessary library support.
603 bool InitSanityCheck(void)
605 if(!ECC_InitSanityCheck()) {
606 InitError("OpenSSL appears to lack support for elliptic curve cryptography. For more "
607 "information, visit https://en.bitcoin.it/wiki/OpenSSL_and_EC_Libraries");
610 if (!glibc_sanity_test() || !glibcxx_sanity_test())
616 bool AppInitServers(boost::thread_group
& threadGroup
)
618 RPCServer::OnStopped(&OnRPCStopped
);
619 RPCServer::OnPreCommand(&OnRPCPreCommand
);
620 if (!InitHTTPServer())
626 if (GetBoolArg("-rest", false) && !StartREST())
628 if (!StartHTTPServer(threadGroup
))
633 /** Initialize bitcoin.
634 * @pre Parameters should be parsed and config file should be read.
636 bool AppInit2(boost::thread_group
& threadGroup
, CScheduler
& scheduler
)
638 // ********************************************************* Step 1: setup
640 // Turn off Microsoft heap dump noise
641 _CrtSetReportMode(_CRT_WARN
, _CRTDBG_MODE_FILE
);
642 _CrtSetReportFile(_CRT_WARN
, CreateFileA("NUL", GENERIC_WRITE
, 0, NULL
, OPEN_EXISTING
, 0, 0));
645 // Disable confusing "helpful" text message on abort, Ctrl-C
646 _set_abort_behavior(0, _WRITE_ABORT_MSG
| _CALL_REPORTFAULT
);
649 // Enable Data Execution Prevention (DEP)
650 // Minimum supported OS versions: WinXP SP3, WinVista >= SP1, Win Server 2008
651 // A failure is non-critical and needs no further attention!
652 #ifndef PROCESS_DEP_ENABLE
653 // We define this here, because GCCs winbase.h limits this to _WIN32_WINNT >= 0x0601 (Windows 7),
654 // which is not correct. Can be removed, when GCCs winbase.h is fixed!
655 #define PROCESS_DEP_ENABLE 0x00000001
657 typedef BOOL (WINAPI
*PSETPROCDEPPOL
)(DWORD
);
658 PSETPROCDEPPOL setProcDEPPol
= (PSETPROCDEPPOL
)GetProcAddress(GetModuleHandleA("Kernel32.dll"), "SetProcessDEPPolicy");
659 if (setProcDEPPol
!= NULL
) setProcDEPPol(PROCESS_DEP_ENABLE
);
662 if (!SetupNetworking())
663 return InitError("Error: Initializing networking failed");
666 if (GetBoolArg("-sysperms", false)) {
668 if (!GetBoolArg("-disablewallet", false))
669 return InitError("Error: -sysperms is not allowed in combination with enabled wallet functionality");
675 // Clean shutdown on SIGTERM
677 sa
.sa_handler
= HandleSIGTERM
;
678 sigemptyset(&sa
.sa_mask
);
680 sigaction(SIGTERM
, &sa
, NULL
);
681 sigaction(SIGINT
, &sa
, NULL
);
683 // Reopen debug.log on SIGHUP
684 struct sigaction sa_hup
;
685 sa_hup
.sa_handler
= HandleSIGHUP
;
686 sigemptyset(&sa_hup
.sa_mask
);
688 sigaction(SIGHUP
, &sa_hup
, NULL
);
690 #if defined (__SVR4) && defined (__sun)
691 // ignore SIGPIPE on Solaris
692 signal(SIGPIPE
, SIG_IGN
);
696 // ********************************************************* Step 2: parameter interactions
697 const CChainParams
& chainparams
= Params();
699 // Set this early so that parameter interactions go to console
700 fPrintToConsole
= GetBoolArg("-printtoconsole", false);
701 fLogTimestamps
= GetBoolArg("-logtimestamps", true);
702 fLogIPs
= GetBoolArg("-logips", false);
704 LogPrintf("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n");
705 LogPrintf("Bitcoin version %s (%s)\n", FormatFullVersion(), CLIENT_DATE
);
707 // when specifying an explicit binding address, you want to listen on it
708 // even when -connect or -proxy is specified
709 if (mapArgs
.count("-bind")) {
710 if (SoftSetBoolArg("-listen", true))
711 LogPrintf("%s: parameter interaction: -bind set -> setting -listen=1\n", __func__
);
713 if (mapArgs
.count("-whitebind")) {
714 if (SoftSetBoolArg("-listen", true))
715 LogPrintf("%s: parameter interaction: -whitebind set -> setting -listen=1\n", __func__
);
718 if (mapArgs
.count("-connect") && mapMultiArgs
["-connect"].size() > 0) {
719 // when only connecting to trusted nodes, do not seed via DNS, or listen by default
720 if (SoftSetBoolArg("-dnsseed", false))
721 LogPrintf("%s: parameter interaction: -connect set -> setting -dnsseed=0\n", __func__
);
722 if (SoftSetBoolArg("-listen", false))
723 LogPrintf("%s: parameter interaction: -connect set -> setting -listen=0\n", __func__
);
726 if (mapArgs
.count("-proxy")) {
727 // to protect privacy, do not listen by default if a default proxy server is specified
728 if (SoftSetBoolArg("-listen", false))
729 LogPrintf("%s: parameter interaction: -proxy set -> setting -listen=0\n", __func__
);
730 // to protect privacy, do not use UPNP when a proxy is set. The user may still specify -listen=1
731 // to listen locally, so don't rely on this happening through -listen below.
732 if (SoftSetBoolArg("-upnp", false))
733 LogPrintf("%s: parameter interaction: -proxy set -> setting -upnp=0\n", __func__
);
734 // to protect privacy, do not discover addresses by default
735 if (SoftSetBoolArg("-discover", false))
736 LogPrintf("%s: parameter interaction: -proxy set -> setting -discover=0\n", __func__
);
739 if (!GetBoolArg("-listen", DEFAULT_LISTEN
)) {
740 // do not map ports or try to retrieve public IP when not listening (pointless)
741 if (SoftSetBoolArg("-upnp", false))
742 LogPrintf("%s: parameter interaction: -listen=0 -> setting -upnp=0\n", __func__
);
743 if (SoftSetBoolArg("-discover", false))
744 LogPrintf("%s: parameter interaction: -listen=0 -> setting -discover=0\n", __func__
);
747 if (mapArgs
.count("-externalip")) {
748 // if an explicit public IP is specified, do not try to find others
749 if (SoftSetBoolArg("-discover", false))
750 LogPrintf("%s: parameter interaction: -externalip set -> setting -discover=0\n", __func__
);
753 if (GetBoolArg("-salvagewallet", false)) {
754 // Rewrite just private keys: rescan to find transactions
755 if (SoftSetBoolArg("-rescan", true))
756 LogPrintf("%s: parameter interaction: -salvagewallet=1 -> setting -rescan=1\n", __func__
);
759 // -zapwallettx implies a rescan
760 if (GetBoolArg("-zapwallettxes", false)) {
761 if (SoftSetBoolArg("-rescan", true))
762 LogPrintf("%s: parameter interaction: -zapwallettxes=<mode> -> setting -rescan=1\n", __func__
);
765 // if using block pruning, then disable txindex
766 if (GetArg("-prune", 0)) {
767 if (GetBoolArg("-txindex", false))
768 return InitError(_("Prune mode is incompatible with -txindex."));
770 if (GetBoolArg("-rescan", false)) {
771 return InitError(_("Rescans are not possible in pruned mode. You will need to use -reindex which will download the whole blockchain again."));
776 // Make sure enough file descriptors are available
777 int nBind
= std::max((int)mapArgs
.count("-bind") + (int)mapArgs
.count("-whitebind"), 1);
778 int nUserMaxConnections
= GetArg("-maxconnections", DEFAULT_MAX_PEER_CONNECTIONS
);
779 nMaxConnections
= std::max(nUserMaxConnections
, 0);
781 // Trim requested connection counts, to fit into system limitations
782 nMaxConnections
= std::max(std::min(nMaxConnections
, (int)(FD_SETSIZE
- nBind
- MIN_CORE_FILEDESCRIPTORS
)), 0);
783 int nFD
= RaiseFileDescriptorLimit(nMaxConnections
+ MIN_CORE_FILEDESCRIPTORS
);
784 if (nFD
< MIN_CORE_FILEDESCRIPTORS
)
785 return InitError(_("Not enough file descriptors available."));
786 nMaxConnections
= std::min(nFD
- MIN_CORE_FILEDESCRIPTORS
, nMaxConnections
);
788 if (nMaxConnections
< nUserMaxConnections
)
789 InitWarning(strprintf(_("Reducing -maxconnections from %d to %d, because of system limitations."), nUserMaxConnections
, nMaxConnections
));
791 // ********************************************************* Step 3: parameter-to-internal-flags
793 fDebug
= !mapMultiArgs
["-debug"].empty();
794 // Special-case: if -debug=0/-nodebug is set, turn off debugging messages
795 const vector
<string
>& categories
= mapMultiArgs
["-debug"];
796 if (GetBoolArg("-nodebug", false) || find(categories
.begin(), categories
.end(), string("0")) != categories
.end())
799 // Check for -debugnet
800 if (GetBoolArg("-debugnet", false))
801 InitWarning(_("Warning: Unsupported argument -debugnet ignored, use -debug=net."));
802 // Check for -socks - as this is a privacy risk to continue, exit here
803 if (mapArgs
.count("-socks"))
804 return InitError(_("Error: Unsupported argument -socks found. Setting SOCKS version isn't possible anymore, only SOCKS5 proxies are supported."));
805 // Check for -tor - as this is a privacy risk to continue, exit here
806 if (GetBoolArg("-tor", false))
807 return InitError(_("Error: Unsupported argument -tor found, use -onion."));
809 if (GetBoolArg("-benchmark", false))
810 InitWarning(_("Warning: Unsupported argument -benchmark ignored, use -debug=bench."));
812 // Checkmempool and checkblockindex default to true in regtest mode
813 mempool
.setSanityCheck(GetBoolArg("-checkmempool", chainparams
.DefaultConsistencyChecks()));
814 fCheckBlockIndex
= GetBoolArg("-checkblockindex", chainparams
.DefaultConsistencyChecks());
815 fCheckpointsEnabled
= GetBoolArg("-checkpoints", true);
817 // -par=0 means autodetect, but nScriptCheckThreads==0 means no concurrency
818 nScriptCheckThreads
= GetArg("-par", DEFAULT_SCRIPTCHECK_THREADS
);
819 if (nScriptCheckThreads
<= 0)
820 nScriptCheckThreads
+= GetNumCores();
821 if (nScriptCheckThreads
<= 1)
822 nScriptCheckThreads
= 0;
823 else if (nScriptCheckThreads
> MAX_SCRIPTCHECK_THREADS
)
824 nScriptCheckThreads
= MAX_SCRIPTCHECK_THREADS
;
826 fServer
= GetBoolArg("-server", false);
828 // block pruning; get the amount of disk space (in MB) to allot for block & undo files
829 int64_t nSignedPruneTarget
= GetArg("-prune", 0) * 1024 * 1024;
830 if (nSignedPruneTarget
< 0) {
831 return InitError(_("Prune cannot be configured with a negative value."));
833 nPruneTarget
= (uint64_t) nSignedPruneTarget
;
835 if (nPruneTarget
< MIN_DISK_SPACE_FOR_BLOCK_FILES
) {
836 return InitError(strprintf(_("Prune configured below the minimum of %d MB. Please use a higher number."), MIN_DISK_SPACE_FOR_BLOCK_FILES
/ 1024 / 1024));
838 LogPrintf("Prune configured to target %uMiB on disk for block and undo files.\n", nPruneTarget
/ 1024 / 1024);
843 bool fDisableWallet
= GetBoolArg("-disablewallet", false);
846 nConnectTimeout
= GetArg("-timeout", DEFAULT_CONNECT_TIMEOUT
);
847 if (nConnectTimeout
<= 0)
848 nConnectTimeout
= DEFAULT_CONNECT_TIMEOUT
;
850 // Fee-per-kilobyte amount considered the same as "free"
851 // If you are mining, be careful setting this:
852 // if you set it to zero then
853 // a transaction spammer can cheaply fill blocks using
854 // 1-satoshi-fee transactions. It should be set above the real
855 // cost to you of processing a transaction.
856 if (mapArgs
.count("-minrelaytxfee"))
859 if (ParseMoney(mapArgs
["-minrelaytxfee"], n
) && n
> 0)
860 ::minRelayTxFee
= CFeeRate(n
);
862 return InitError(strprintf(_("Invalid amount for -minrelaytxfee=<amount>: '%s'"), mapArgs
["-minrelaytxfee"]));
865 fRequireStandard
= !GetBoolArg("-acceptnonstdtxn", !Params().RequireStandard());
866 if (Params().RequireStandard() && !fRequireStandard
)
867 return InitError(strprintf("acceptnonstdtxn is not currently supported for %s chain", chainparams
.NetworkIDString()));
870 if (mapArgs
.count("-mintxfee"))
873 if (ParseMoney(mapArgs
["-mintxfee"], n
) && n
> 0)
874 CWallet::minTxFee
= CFeeRate(n
);
876 return InitError(strprintf(_("Invalid amount for -mintxfee=<amount>: '%s'"), mapArgs
["-mintxfee"]));
878 if (mapArgs
.count("-paytxfee"))
880 CAmount nFeePerK
= 0;
881 if (!ParseMoney(mapArgs
["-paytxfee"], nFeePerK
))
882 return InitError(strprintf(_("Invalid amount for -paytxfee=<amount>: '%s'"), mapArgs
["-paytxfee"]));
883 if (nFeePerK
> nHighTransactionFeeWarning
)
884 InitWarning(_("Warning: -paytxfee is set very high! This is the transaction fee you will pay if you send a transaction."));
885 payTxFee
= CFeeRate(nFeePerK
, 1000);
886 if (payTxFee
< ::minRelayTxFee
)
888 return InitError(strprintf(_("Invalid amount for -paytxfee=<amount>: '%s' (must be at least %s)"),
889 mapArgs
["-paytxfee"], ::minRelayTxFee
.ToString()));
892 if (mapArgs
.count("-maxtxfee"))
895 if (!ParseMoney(mapArgs
["-maxtxfee"], nMaxFee
))
896 return InitError(strprintf(_("Invalid amount for -maxtxfee=<amount>: '%s'"), mapArgs
["-maptxfee"]));
897 if (nMaxFee
> nHighTransactionMaxFeeWarning
)
898 InitWarning(_("Warning: -maxtxfee is set very high! Fees this large could be paid on a single transaction."));
900 if (CFeeRate(maxTxFee
, 1000) < ::minRelayTxFee
)
902 return InitError(strprintf(_("Invalid amount for -maxtxfee=<amount>: '%s' (must be at least the minrelay fee of %s to prevent stuck transactions)"),
903 mapArgs
["-maxtxfee"], ::minRelayTxFee
.ToString()));
906 nTxConfirmTarget
= GetArg("-txconfirmtarget", DEFAULT_TX_CONFIRM_TARGET
);
907 bSpendZeroConfChange
= GetBoolArg("-spendzeroconfchange", true);
908 fSendFreeTransactions
= GetBoolArg("-sendfreetransactions", false);
910 std::string strWalletFile
= GetArg("-wallet", "wallet.dat");
911 #endif // ENABLE_WALLET
913 fIsBareMultisigStd
= GetBoolArg("-permitbaremultisig", true);
914 nMaxDatacarrierBytes
= GetArg("-datacarriersize", nMaxDatacarrierBytes
);
916 fAlerts
= GetBoolArg("-alerts", DEFAULT_ALERTS
);
918 // Option to startup with mocktime set (used for regression testing):
919 SetMockTime(GetArg("-mocktime", 0)); // SetMockTime(0) is a no-op
921 if (GetBoolArg("-peerbloomfilters", true))
922 nLocalServices
|= NODE_BLOOM
;
924 // ********************************************************* Step 4: application initialization: dir lock, daemonize, pidfile, debug log
926 // Initialize elliptic curve code
930 if (!InitSanityCheck())
931 return InitError(_("Initialization sanity check failed. Bitcoin Core is shutting down."));
933 std::string strDataDir
= GetDataDir().string();
935 // Wallet file must be a plain filename without a directory
936 if (strWalletFile
!= boost::filesystem::basename(strWalletFile
) + boost::filesystem::extension(strWalletFile
))
937 return InitError(strprintf(_("Wallet %s resides outside data directory %s"), strWalletFile
, strDataDir
));
939 // Make sure only a single Bitcoin process is using the data directory.
940 boost::filesystem::path pathLockFile
= GetDataDir() / ".lock";
941 FILE* file
= fopen(pathLockFile
.string().c_str(), "a"); // empty lock file; created if it doesn't exist.
942 if (file
) fclose(file
);
945 static boost::interprocess::file_lock
lock(pathLockFile
.string().c_str());
946 if (!lock
.try_lock())
947 return InitError(strprintf(_("Cannot obtain a lock on data directory %s. Bitcoin Core is probably already running."), strDataDir
));
948 } catch(const boost::interprocess::interprocess_exception
& e
) {
949 return InitError(strprintf(_("Cannot obtain a lock on data directory %s. Bitcoin Core is probably already running.") + " %s.", strDataDir
, e
.what()));
953 CreatePidFile(GetPidFile(), getpid());
955 if (GetBoolArg("-shrinkdebugfile", !fDebug
))
958 if (fPrintToDebugLog
)
961 LogPrintf("Using OpenSSL version %s\n", SSLeay_version(SSLEAY_VERSION
));
963 LogPrintf("Using BerkeleyDB version %s\n", DbEnv::version(0, 0, 0));
966 LogPrintf("Startup time: %s\n", DateTimeStrFormat("%Y-%m-%d %H:%M:%S", GetTime()));
967 LogPrintf("Default data directory %s\n", GetDefaultDataDir().string());
968 LogPrintf("Using data directory %s\n", strDataDir
);
969 LogPrintf("Using config file %s\n", GetConfigFile().string());
970 LogPrintf("Using at most %i connections (%i file descriptors available)\n", nMaxConnections
, nFD
);
971 std::ostringstream strErrors
;
973 LogPrintf("Using %u threads for script verification\n", nScriptCheckThreads
);
974 if (nScriptCheckThreads
) {
975 for (int i
=0; i
<nScriptCheckThreads
-1; i
++)
976 threadGroup
.create_thread(&ThreadScriptCheck
);
979 // Start the lightweight task scheduler thread
980 CScheduler::Function serviceLoop
= boost::bind(&CScheduler::serviceQueue
, &scheduler
);
981 threadGroup
.create_thread(boost::bind(&TraceThread
<CScheduler::Function
>, "scheduler", serviceLoop
));
983 /* Start the RPC server already. It will be started in "warmup" mode
984 * and not really process calls already (but it will signify connections
985 * that the server is there and will be ready later). Warmup mode will
986 * be disabled when initialisation is finished.
990 uiInterface
.InitMessage
.connect(SetRPCWarmupStatus
);
991 if (!AppInitServers(threadGroup
))
992 return InitError(_("Unable to start HTTP server. See debug log for details."));
997 // ********************************************************* Step 5: verify wallet database integrity
999 if (!fDisableWallet
) {
1000 LogPrintf("Using wallet %s\n", strWalletFile
);
1001 uiInterface
.InitMessage(_("Verifying wallet..."));
1003 std::string warningString
;
1004 std::string errorString
;
1006 if (!CWallet::Verify(strWalletFile
, warningString
, errorString
))
1009 if (!warningString
.empty())
1010 InitWarning(warningString
);
1011 if (!errorString
.empty())
1012 return InitError(warningString
);
1014 } // (!fDisableWallet)
1015 #endif // ENABLE_WALLET
1016 // ********************************************************* Step 6: network initialization
1018 RegisterNodeSignals(GetNodeSignals());
1020 // format user agent, check total size
1021 strSubVersion
= FormatSubVersion(CLIENT_NAME
, CLIENT_VERSION
, mapMultiArgs
.count("-uacomment") ? mapMultiArgs
["-uacomment"] : std::vector
<string
>());
1022 if (strSubVersion
.size() > MAX_SUBVERSION_LENGTH
) {
1023 return InitError(strprintf("Total length of network version string %i exceeds maximum of %i characters. Reduce the number and/or size of uacomments.",
1024 strSubVersion
.size(), MAX_SUBVERSION_LENGTH
));
1027 if (mapArgs
.count("-onlynet")) {
1028 std::set
<enum Network
> nets
;
1029 BOOST_FOREACH(const std::string
& snet
, mapMultiArgs
["-onlynet"]) {
1030 enum Network net
= ParseNetwork(snet
);
1031 if (net
== NET_UNROUTABLE
)
1032 return InitError(strprintf(_("Unknown network specified in -onlynet: '%s'"), snet
));
1035 for (int n
= 0; n
< NET_MAX
; n
++) {
1036 enum Network net
= (enum Network
)n
;
1037 if (!nets
.count(net
))
1042 if (mapArgs
.count("-whitelist")) {
1043 BOOST_FOREACH(const std::string
& net
, mapMultiArgs
["-whitelist"]) {
1044 CSubNet
subnet(net
);
1045 if (!subnet
.IsValid())
1046 return InitError(strprintf(_("Invalid netmask specified in -whitelist: '%s'"), net
));
1047 CNode::AddWhitelistedRange(subnet
);
1051 bool proxyRandomize
= GetBoolArg("-proxyrandomize", true);
1052 // -proxy sets a proxy for all outgoing network traffic
1053 // -noproxy (or -proxy=0) as well as the empty string can be used to not set a proxy, this is the default
1054 std::string proxyArg
= GetArg("-proxy", "");
1055 if (proxyArg
!= "" && proxyArg
!= "0") {
1056 proxyType addrProxy
= proxyType(CService(proxyArg
, 9050), proxyRandomize
);
1057 if (!addrProxy
.IsValid())
1058 return InitError(strprintf(_("Invalid -proxy address: '%s'"), proxyArg
));
1060 SetProxy(NET_IPV4
, addrProxy
);
1061 SetProxy(NET_IPV6
, addrProxy
);
1062 SetProxy(NET_TOR
, addrProxy
);
1063 SetNameProxy(addrProxy
);
1064 SetReachable(NET_TOR
); // by default, -proxy sets onion as reachable, unless -noonion later
1067 // -onion can be used to set only a proxy for .onion, or override normal proxy for .onion addresses
1068 // -noonion (or -onion=0) disables connecting to .onion entirely
1069 // An empty string is used to not override the onion proxy (in which case it defaults to -proxy set above, or none)
1070 std::string onionArg
= GetArg("-onion", "");
1071 if (onionArg
!= "") {
1072 if (onionArg
== "0") { // Handle -noonion/-onion=0
1073 SetReachable(NET_TOR
, false); // set onions as unreachable
1075 proxyType addrOnion
= proxyType(CService(onionArg
, 9050), proxyRandomize
);
1076 if (!addrOnion
.IsValid())
1077 return InitError(strprintf(_("Invalid -onion address: '%s'"), onionArg
));
1078 SetProxy(NET_TOR
, addrOnion
);
1079 SetReachable(NET_TOR
);
1083 // see Step 2: parameter interactions for more information about these
1084 fListen
= GetBoolArg("-listen", DEFAULT_LISTEN
);
1085 fDiscover
= GetBoolArg("-discover", true);
1086 fNameLookup
= GetBoolArg("-dns", true);
1088 bool fBound
= false;
1090 if (mapArgs
.count("-bind") || mapArgs
.count("-whitebind")) {
1091 BOOST_FOREACH(const std::string
& strBind
, mapMultiArgs
["-bind"]) {
1093 if (!Lookup(strBind
.c_str(), addrBind
, GetListenPort(), false))
1094 return InitError(strprintf(_("Cannot resolve -bind address: '%s'"), strBind
));
1095 fBound
|= Bind(addrBind
, (BF_EXPLICIT
| BF_REPORT_ERROR
));
1097 BOOST_FOREACH(const std::string
& strBind
, mapMultiArgs
["-whitebind"]) {
1099 if (!Lookup(strBind
.c_str(), addrBind
, 0, false))
1100 return InitError(strprintf(_("Cannot resolve -whitebind address: '%s'"), strBind
));
1101 if (addrBind
.GetPort() == 0)
1102 return InitError(strprintf(_("Need to specify a port with -whitebind: '%s'"), strBind
));
1103 fBound
|= Bind(addrBind
, (BF_EXPLICIT
| BF_REPORT_ERROR
| BF_WHITELIST
));
1107 struct in_addr inaddr_any
;
1108 inaddr_any
.s_addr
= INADDR_ANY
;
1109 fBound
|= Bind(CService(in6addr_any
, GetListenPort()), BF_NONE
);
1110 fBound
|= Bind(CService(inaddr_any
, GetListenPort()), !fBound
? BF_REPORT_ERROR
: BF_NONE
);
1113 return InitError(_("Failed to listen on any port. Use -listen=0 if you want this."));
1116 if (mapArgs
.count("-externalip")) {
1117 BOOST_FOREACH(const std::string
& strAddr
, mapMultiArgs
["-externalip"]) {
1118 CService
addrLocal(strAddr
, GetListenPort(), fNameLookup
);
1119 if (!addrLocal
.IsValid())
1120 return InitError(strprintf(_("Cannot resolve -externalip address: '%s'"), strAddr
));
1121 AddLocal(CService(strAddr
, GetListenPort(), fNameLookup
), LOCAL_MANUAL
);
1125 BOOST_FOREACH(const std::string
& strDest
, mapMultiArgs
["-seednode"])
1126 AddOneShot(strDest
);
1128 // ********************************************************* Step 7: load block chain
1130 fReindex
= GetBoolArg("-reindex", false);
1132 // Upgrading to 0.8; hard-link the old blknnnn.dat files into /blocks/
1133 boost::filesystem::path blocksDir
= GetDataDir() / "blocks";
1134 if (!boost::filesystem::exists(blocksDir
))
1136 boost::filesystem::create_directories(blocksDir
);
1137 bool linked
= false;
1138 for (unsigned int i
= 1; i
< 10000; i
++) {
1139 boost::filesystem::path source
= GetDataDir() / strprintf("blk%04u.dat", i
);
1140 if (!boost::filesystem::exists(source
)) break;
1141 boost::filesystem::path dest
= blocksDir
/ strprintf("blk%05u.dat", i
-1);
1143 boost::filesystem::create_hard_link(source
, dest
);
1144 LogPrintf("Hardlinked %s -> %s\n", source
.string(), dest
.string());
1146 } catch (const boost::filesystem::filesystem_error
& e
) {
1147 // Note: hardlink creation failing is not a disaster, it just means
1148 // blocks will get re-downloaded from peers.
1149 LogPrintf("Error hardlinking blk%04u.dat: %s\n", i
, e
.what());
1159 // cache size calculations
1160 int64_t nTotalCache
= (GetArg("-dbcache", nDefaultDbCache
) << 20);
1161 nTotalCache
= std::max(nTotalCache
, nMinDbCache
<< 20); // total cache cannot be less than nMinDbCache
1162 nTotalCache
= std::min(nTotalCache
, nMaxDbCache
<< 20); // total cache cannot be greated than nMaxDbcache
1163 int64_t nBlockTreeDBCache
= nTotalCache
/ 8;
1164 if (nBlockTreeDBCache
> (1 << 21) && !GetBoolArg("-txindex", false))
1165 nBlockTreeDBCache
= (1 << 21); // block tree db cache shouldn't be larger than 2 MiB
1166 nTotalCache
-= nBlockTreeDBCache
;
1167 int64_t nCoinDBCache
= std::min(nTotalCache
/ 2, (nTotalCache
/ 4) + (1 << 23)); // use 25%-50% of the remainder for disk cache
1168 nTotalCache
-= nCoinDBCache
;
1169 nCoinCacheUsage
= nTotalCache
; // the rest goes to in-memory cache
1170 LogPrintf("Cache configuration:\n");
1171 LogPrintf("* Using %.1fMiB for block index database\n", nBlockTreeDBCache
* (1.0 / 1024 / 1024));
1172 LogPrintf("* Using %.1fMiB for chain state database\n", nCoinDBCache
* (1.0 / 1024 / 1024));
1173 LogPrintf("* Using %.1fMiB for in-memory UTXO set\n", nCoinCacheUsage
* (1.0 / 1024 / 1024));
1175 bool fLoaded
= false;
1177 bool fReset
= fReindex
;
1178 std::string strLoadError
;
1180 uiInterface
.InitMessage(_("Loading block index..."));
1182 nStart
= GetTimeMillis();
1187 delete pcoinsdbview
;
1188 delete pcoinscatcher
;
1191 pblocktree
= new CBlockTreeDB(nBlockTreeDBCache
, false, fReindex
);
1192 pcoinsdbview
= new CCoinsViewDB(nCoinDBCache
, false, fReindex
);
1193 pcoinscatcher
= new CCoinsViewErrorCatcher(pcoinsdbview
);
1194 pcoinsTip
= new CCoinsViewCache(pcoinscatcher
);
1197 pblocktree
->WriteReindexing(true);
1198 //If we're reindexing in prune mode, wipe away unusable block files and all undo data files
1200 CleanupBlockRevFiles();
1203 if (!LoadBlockIndex()) {
1204 strLoadError
= _("Error loading block database");
1208 // If the loaded chain has a wrong genesis, bail out immediately
1209 // (we're likely using a testnet datadir, or the other way around).
1210 if (!mapBlockIndex
.empty() && mapBlockIndex
.count(chainparams
.GetConsensus().hashGenesisBlock
) == 0)
1211 return InitError(_("Incorrect or no genesis block found. Wrong datadir for network?"));
1213 // Initialize the block index (no-op if non-empty database was already loaded)
1214 if (!InitBlockIndex()) {
1215 strLoadError
= _("Error initializing block database");
1219 // Check for changed -txindex state
1220 if (fTxIndex
!= GetBoolArg("-txindex", false)) {
1221 strLoadError
= _("You need to rebuild the database using -reindex to change -txindex");
1225 // Check for changed -prune state. What we are concerned about is a user who has pruned blocks
1226 // in the past, but is now trying to run unpruned.
1227 if (fHavePruned
&& !fPruneMode
) {
1228 strLoadError
= _("You need to rebuild the database using -reindex to go back to unpruned mode. This will redownload the entire blockchain");
1232 uiInterface
.InitMessage(_("Verifying blocks..."));
1233 if (fHavePruned
&& GetArg("-checkblocks", 288) > MIN_BLOCKS_TO_KEEP
) {
1234 LogPrintf("Prune: pruned datadir may not have more than %d blocks; -checkblocks=%d may fail\n",
1235 MIN_BLOCKS_TO_KEEP
, GetArg("-checkblocks", 288));
1240 CBlockIndex
* tip
= chainActive
.Tip();
1241 if (tip
&& tip
->nTime
> GetAdjustedTime() + 2 * 60 * 60) {
1242 strLoadError
= _("The block database contains a block which appears to be from the future. "
1243 "This may be due to your computer's date and time being set incorrectly. "
1244 "Only rebuild the block database if you are sure that your computer's date and time are correct");
1249 if (!CVerifyDB().VerifyDB(pcoinsdbview
, GetArg("-checklevel", 3),
1250 GetArg("-checkblocks", 288))) {
1251 strLoadError
= _("Corrupted block database detected");
1254 } catch (const std::exception
& e
) {
1255 if (fDebug
) LogPrintf("%s\n", e
.what());
1256 strLoadError
= _("Error opening block database");
1264 // first suggest a reindex
1266 bool fRet
= uiInterface
.ThreadSafeMessageBox(
1267 strLoadError
+ ".\n\n" + _("Do you want to rebuild the block database now?"),
1268 "", CClientUIInterface::MSG_ERROR
| CClientUIInterface::BTN_ABORT
);
1271 fRequestShutdown
= false;
1273 LogPrintf("Aborted block database rebuild. Exiting.\n");
1277 return InitError(strLoadError
);
1282 // As LoadBlockIndex can take several minutes, it's possible the user
1283 // requested to kill the GUI during the last operation. If so, exit.
1284 // As the program has not fully started yet, Shutdown() is possibly overkill.
1285 if (fRequestShutdown
)
1287 LogPrintf("Shutdown requested. Exiting.\n");
1290 LogPrintf(" block index %15dms\n", GetTimeMillis() - nStart
);
1292 boost::filesystem::path est_path
= GetDataDir() / FEE_ESTIMATES_FILENAME
;
1293 CAutoFile
est_filein(fopen(est_path
.string().c_str(), "rb"), SER_DISK
, CLIENT_VERSION
);
1294 // Allowed to fail as this file IS missing on first startup.
1295 if (!est_filein
.IsNull())
1296 mempool
.ReadFeeEstimates(est_filein
);
1297 fFeeEstimatesInitialized
= true;
1299 // ********************************************************* Step 8: load wallet
1300 #ifdef ENABLE_WALLET
1301 if (fDisableWallet
) {
1303 LogPrintf("Wallet disabled!\n");
1306 // needed to restore wallet transaction meta data after -zapwallettxes
1307 std::vector
<CWalletTx
> vWtx
;
1309 if (GetBoolArg("-zapwallettxes", false)) {
1310 uiInterface
.InitMessage(_("Zapping all transactions from wallet..."));
1312 pwalletMain
= new CWallet(strWalletFile
);
1313 DBErrors nZapWalletRet
= pwalletMain
->ZapWalletTx(vWtx
);
1314 if (nZapWalletRet
!= DB_LOAD_OK
) {
1315 uiInterface
.InitMessage(_("Error loading wallet.dat: Wallet corrupted"));
1323 uiInterface
.InitMessage(_("Loading wallet..."));
1325 nStart
= GetTimeMillis();
1326 bool fFirstRun
= true;
1327 pwalletMain
= new CWallet(strWalletFile
);
1328 DBErrors nLoadWalletRet
= pwalletMain
->LoadWallet(fFirstRun
);
1329 if (nLoadWalletRet
!= DB_LOAD_OK
)
1331 if (nLoadWalletRet
== DB_CORRUPT
)
1332 strErrors
<< _("Error loading wallet.dat: Wallet corrupted") << "\n";
1333 else if (nLoadWalletRet
== DB_NONCRITICAL_ERROR
)
1335 string
msg(_("Warning: error reading wallet.dat! All keys read correctly, but transaction data"
1336 " or address book entries might be missing or incorrect."));
1339 else if (nLoadWalletRet
== DB_TOO_NEW
)
1340 strErrors
<< _("Error loading wallet.dat: Wallet requires newer version of Bitcoin Core") << "\n";
1341 else if (nLoadWalletRet
== DB_NEED_REWRITE
)
1343 strErrors
<< _("Wallet needed to be rewritten: restart Bitcoin Core to complete") << "\n";
1344 LogPrintf("%s", strErrors
.str());
1345 return InitError(strErrors
.str());
1348 strErrors
<< _("Error loading wallet.dat") << "\n";
1351 if (GetBoolArg("-upgradewallet", fFirstRun
))
1353 int nMaxVersion
= GetArg("-upgradewallet", 0);
1354 if (nMaxVersion
== 0) // the -upgradewallet without argument case
1356 LogPrintf("Performing wallet upgrade to %i\n", FEATURE_LATEST
);
1357 nMaxVersion
= CLIENT_VERSION
;
1358 pwalletMain
->SetMinVersion(FEATURE_LATEST
); // permanently upgrade the wallet immediately
1361 LogPrintf("Allowing wallet upgrade up to %i\n", nMaxVersion
);
1362 if (nMaxVersion
< pwalletMain
->GetVersion())
1363 strErrors
<< _("Cannot downgrade wallet") << "\n";
1364 pwalletMain
->SetMaxVersion(nMaxVersion
);
1369 // Create new keyUser and set as default key
1370 RandAddSeedPerfmon();
1372 CPubKey newDefaultKey
;
1373 if (pwalletMain
->GetKeyFromPool(newDefaultKey
)) {
1374 pwalletMain
->SetDefaultKey(newDefaultKey
);
1375 if (!pwalletMain
->SetAddressBook(pwalletMain
->vchDefaultKey
.GetID(), "", "receive"))
1376 strErrors
<< _("Cannot write default address") << "\n";
1379 pwalletMain
->SetBestChain(chainActive
.GetLocator());
1382 LogPrintf("%s", strErrors
.str());
1383 LogPrintf(" wallet %15dms\n", GetTimeMillis() - nStart
);
1385 RegisterValidationInterface(pwalletMain
);
1387 CBlockIndex
*pindexRescan
= chainActive
.Tip();
1388 if (GetBoolArg("-rescan", false))
1389 pindexRescan
= chainActive
.Genesis();
1392 CWalletDB
walletdb(strWalletFile
);
1393 CBlockLocator locator
;
1394 if (walletdb
.ReadBestBlock(locator
))
1395 pindexRescan
= FindForkInGlobalIndex(chainActive
, locator
);
1397 pindexRescan
= chainActive
.Genesis();
1399 if (chainActive
.Tip() && chainActive
.Tip() != pindexRescan
)
1401 //We can't rescan beyond non-pruned blocks, stop and throw an error
1402 //this might happen if a user uses a old wallet within a pruned node
1403 // or if he ran -disablewallet for a longer time, then decided to re-enable
1406 CBlockIndex
*block
= chainActive
.Tip();
1407 while (block
&& block
->pprev
&& (block
->pprev
->nStatus
& BLOCK_HAVE_DATA
) && block
->pprev
->nTx
> 0 && pindexRescan
!= block
)
1408 block
= block
->pprev
;
1410 if (pindexRescan
!= block
)
1411 return InitError(_("Prune: last wallet synchronisation goes beyond pruned data. You need to -reindex (download the whole blockchain again in case of pruned node)"));
1414 uiInterface
.InitMessage(_("Rescanning..."));
1415 LogPrintf("Rescanning last %i blocks (from block %i)...\n", chainActive
.Height() - pindexRescan
->nHeight
, pindexRescan
->nHeight
);
1416 nStart
= GetTimeMillis();
1417 pwalletMain
->ScanForWalletTransactions(pindexRescan
, true);
1418 LogPrintf(" rescan %15dms\n", GetTimeMillis() - nStart
);
1419 pwalletMain
->SetBestChain(chainActive
.GetLocator());
1422 // Restore wallet transaction metadata after -zapwallettxes=1
1423 if (GetBoolArg("-zapwallettxes", false) && GetArg("-zapwallettxes", "1") != "2")
1425 CWalletDB
walletdb(strWalletFile
);
1427 BOOST_FOREACH(const CWalletTx
& wtxOld
, vWtx
)
1429 uint256 hash
= wtxOld
.GetHash();
1430 std::map
<uint256
, CWalletTx
>::iterator mi
= pwalletMain
->mapWallet
.find(hash
);
1431 if (mi
!= pwalletMain
->mapWallet
.end())
1433 const CWalletTx
* copyFrom
= &wtxOld
;
1434 CWalletTx
* copyTo
= &mi
->second
;
1435 copyTo
->mapValue
= copyFrom
->mapValue
;
1436 copyTo
->vOrderForm
= copyFrom
->vOrderForm
;
1437 copyTo
->nTimeReceived
= copyFrom
->nTimeReceived
;
1438 copyTo
->nTimeSmart
= copyFrom
->nTimeSmart
;
1439 copyTo
->fFromMe
= copyFrom
->fFromMe
;
1440 copyTo
->strFromAccount
= copyFrom
->strFromAccount
;
1441 copyTo
->nOrderPos
= copyFrom
->nOrderPos
;
1442 copyTo
->WriteToDisk(&walletdb
);
1447 pwalletMain
->SetBroadcastTransactions(GetBoolArg("-walletbroadcast", true));
1448 } // (!fDisableWallet)
1449 #else // ENABLE_WALLET
1450 LogPrintf("No wallet support compiled in!\n");
1451 #endif // !ENABLE_WALLET
1453 // ********************************************************* Step 9: data directory maintenance
1455 // if pruning, unset the service bit and perform the initial blockstore prune
1456 // after any wallet rescanning has taken place.
1458 uiInterface
.InitMessage(_("Pruning blockstore..."));
1459 LogPrintf("Unsetting NODE_NETWORK on prune mode\n");
1460 nLocalServices
&= ~NODE_NETWORK
;
1466 // ********************************************************* Step 10: import blocks
1468 if (mapArgs
.count("-blocknotify"))
1469 uiInterface
.NotifyBlockTip
.connect(BlockNotifyCallback
);
1471 uiInterface
.InitMessage(_("Activating best chain..."));
1472 // scan for better chains in the block chain database, that are not yet connected in the active best chain
1473 CValidationState state
;
1474 if (!ActivateBestChain(state
))
1475 strErrors
<< "Failed to connect best block";
1477 std::vector
<boost::filesystem::path
> vImportFiles
;
1478 if (mapArgs
.count("-loadblock"))
1480 BOOST_FOREACH(const std::string
& strFile
, mapMultiArgs
["-loadblock"])
1481 vImportFiles
.push_back(strFile
);
1483 threadGroup
.create_thread(boost::bind(&ThreadImport
, vImportFiles
));
1484 if (chainActive
.Tip() == NULL
) {
1485 LogPrintf("Waiting for genesis block to be imported...\n");
1486 while (!fRequestShutdown
&& chainActive
.Tip() == NULL
)
1490 // ********************************************************* Step 11: start node
1492 if (!CheckDiskSpace())
1495 if (!strErrors
.str().empty())
1496 return InitError(strErrors
.str());
1498 RandAddSeedPerfmon();
1501 LogPrintf("mapBlockIndex.size() = %u\n", mapBlockIndex
.size());
1502 LogPrintf("nBestHeight = %d\n", chainActive
.Height());
1503 #ifdef ENABLE_WALLET
1504 LogPrintf("setKeyPool.size() = %u\n", pwalletMain
? pwalletMain
->setKeyPool
.size() : 0);
1505 LogPrintf("mapWallet.size() = %u\n", pwalletMain
? pwalletMain
->mapWallet
.size() : 0);
1506 LogPrintf("mapAddressBook.size() = %u\n", pwalletMain
? pwalletMain
->mapAddressBook
.size() : 0);
1509 StartNode(threadGroup
, scheduler
);
1511 // Monitor the chain, and alert if we get blocks much quicker or slower than expected
1512 int64_t nPowTargetSpacing
= Params().GetConsensus().nPowTargetSpacing
;
1513 CScheduler::Function f
= boost::bind(&PartitionCheck
, &IsInitialBlockDownload
,
1514 boost::ref(cs_main
), boost::cref(pindexBestHeader
), nPowTargetSpacing
);
1515 scheduler
.scheduleEvery(f
, nPowTargetSpacing
);
1517 // Generate coins in the background
1518 GenerateBitcoins(GetBoolArg("-gen", false), GetArg("-genproclimit", 1), Params());
1520 // ********************************************************* Step 11: finished
1522 SetRPCWarmupFinished();
1523 uiInterface
.InitMessage(_("Done loading"));
1525 #ifdef ENABLE_WALLET
1527 // Add wallet transactions that aren't already in a block to mapTransactions
1528 pwalletMain
->ReacceptWalletTransactions();
1530 // Run a thread to flush wallet periodically
1531 threadGroup
.create_thread(boost::bind(&ThreadFlushWalletDB
, boost::ref(pwalletMain
->strWalletFile
)));
1535 return !fRequestShutdown
;