1 // Copyright (c) 2009-2010 Satoshi Nakamoto
2 // Copyright (c) 2009-2016 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"
22 #include "validation.h"
26 #include "net_processing.h"
27 #include "policy/policy.h"
28 #include "rpc/server.h"
29 #include "rpc/register.h"
30 #include "script/standard.h"
31 #include "script/sigcache.h"
32 #include "scheduler.h"
35 #include "txmempool.h"
36 #include "torcontrol.h"
37 #include "ui_interface.h"
39 #include "utilmoneystr.h"
40 #include "validationinterface.h"
42 #include "wallet/wallet.h"
53 #include <boost/algorithm/string/classification.hpp>
54 #include <boost/algorithm/string/predicate.hpp>
55 #include <boost/algorithm/string/replace.hpp>
56 #include <boost/algorithm/string/split.hpp>
57 #include <boost/bind.hpp>
58 #include <boost/filesystem.hpp>
59 #include <boost/function.hpp>
60 #include <boost/interprocess/sync/file_lock.hpp>
61 #include <boost/thread.hpp>
62 #include <openssl/crypto.h>
65 #include "zmq/zmqnotificationinterface.h"
68 bool fFeeEstimatesInitialized
= false;
69 static const bool DEFAULT_PROXYRANDOMIZE
= true;
70 static const bool DEFAULT_REST_ENABLE
= false;
71 static const bool DEFAULT_DISABLE_SAFEMODE
= false;
72 static const bool DEFAULT_STOPAFTERBLOCKIMPORT
= false;
74 std::unique_ptr
<CConnman
> g_connman
;
75 std::unique_ptr
<PeerLogicValidation
> peerLogic
;
78 static CZMQNotificationInterface
* pzmqNotificationInterface
= NULL
;
82 // Win32 LevelDB doesn't use filedescriptors, and the ones used for
83 // accessing block files don't count towards the fd_set size limit
85 #define MIN_CORE_FILEDESCRIPTORS 0
87 #define MIN_CORE_FILEDESCRIPTORS 150
90 /** Used to pass flags to the Bind() function */
93 BF_EXPLICIT
= (1U << 0),
94 BF_REPORT_ERROR
= (1U << 1),
95 BF_WHITELIST
= (1U << 2),
98 static const char* FEE_ESTIMATES_FILENAME
="fee_estimates.dat";
100 //////////////////////////////////////////////////////////////////////////////
106 // Thread management and startup/shutdown:
108 // The network-processing threads are all part of a thread group
109 // created by AppInit() or the Qt main() function.
111 // A clean exit happens when StartShutdown() or the SIGTERM
112 // signal handler sets fRequestShutdown, which triggers
113 // the DetectShutdownThread(), which interrupts the main thread group.
114 // DetectShutdownThread() then exits, which causes AppInit() to
115 // continue (it .joins the shutdown thread).
116 // Shutdown() is then
117 // called to clean up database connections, and stop other
118 // threads that should only be stopped after the main network-processing
119 // threads have exited.
121 // Note that if running -daemon the parent process returns from AppInit2
122 // before adding any threads to the threadGroup, so .join_all() returns
123 // immediately and the parent exits from main().
125 // Shutdown for Qt is very similar, only it uses a QTimer to detect
126 // fRequestShutdown getting set, and then does the normal Qt
130 std::atomic
<bool> fRequestShutdown(false);
131 std::atomic
<bool> fDumpMempoolLater(false);
135 fRequestShutdown
= true;
137 bool ShutdownRequested()
139 return fRequestShutdown
;
143 * This is a minimally invasive approach to shutdown on LevelDB read errors from the
144 * chainstate, while keeping user interface out of the common library, which is shared
145 * between bitcoind, and bitcoin-qt and non-server tools.
147 class CCoinsViewErrorCatcher
: public CCoinsViewBacked
150 CCoinsViewErrorCatcher(CCoinsView
* view
) : CCoinsViewBacked(view
) {}
151 bool GetCoins(const uint256
&txid
, CCoins
&coins
) const {
153 return CCoinsViewBacked::GetCoins(txid
, coins
);
154 } catch(const std::runtime_error
& e
) {
155 uiInterface
.ThreadSafeMessageBox(_("Error reading from database, shutting down."), "", CClientUIInterface::MSG_ERROR
);
156 LogPrintf("Error reading from database: %s\n", e
.what());
157 // Starting the shutdown sequence and returning false to the caller would be
158 // interpreted as 'entry not found' (as opposed to unable to read data), and
159 // could lead to invalid interpretation. Just exit immediately, as we can't
160 // continue anyway, and all writes should be atomic.
164 // Writes do not need similar protection, as failure to write is handled by the caller.
167 static CCoinsViewDB
*pcoinsdbview
= NULL
;
168 static CCoinsViewErrorCatcher
*pcoinscatcher
= NULL
;
169 static std::unique_ptr
<ECCVerifyHandle
> globalVerifyHandle
;
171 void Interrupt(boost::thread_group
& threadGroup
)
173 InterruptHTTPServer();
177 InterruptTorControl();
179 g_connman
->Interrupt();
180 threadGroup
.interrupt_all();
185 LogPrintf("%s: In progress...\n", __func__
);
186 static CCriticalSection cs_Shutdown
;
187 TRY_LOCK(cs_Shutdown
, lockShutdown
);
191 /// Note: Shutdown() must be able to handle cases in which AppInit2() failed part of the way,
192 /// for example if the data directory was found to be locked.
193 /// Be sure that anything that writes files or flushes caches only does this if the respective
194 /// module was initialized.
195 RenameThread("bitcoin-shutoff");
196 mempool
.AddTransactionsUpdated(1);
204 pwalletMain
->Flush(false);
207 UnregisterValidationInterface(peerLogic
.get());
212 UnregisterNodeSignals(GetNodeSignals());
213 if (fDumpMempoolLater
)
216 if (fFeeEstimatesInitialized
)
218 boost::filesystem::path est_path
= GetDataDir() / FEE_ESTIMATES_FILENAME
;
219 CAutoFile
est_fileout(fopen(est_path
.string().c_str(), "wb"), SER_DISK
, CLIENT_VERSION
);
220 if (!est_fileout
.IsNull())
221 mempool
.WriteFeeEstimates(est_fileout
);
223 LogPrintf("%s: Failed to write fee estimates to %s\n", __func__
, est_path
.string());
224 fFeeEstimatesInitialized
= false;
229 if (pcoinsTip
!= NULL
) {
234 delete pcoinscatcher
;
235 pcoinscatcher
= NULL
;
243 pwalletMain
->Flush(true);
247 if (pzmqNotificationInterface
) {
248 UnregisterValidationInterface(pzmqNotificationInterface
);
249 delete pzmqNotificationInterface
;
250 pzmqNotificationInterface
= NULL
;
256 boost::filesystem::remove(GetPidFile());
257 } catch (const boost::filesystem::filesystem_error
& e
) {
258 LogPrintf("%s: Unable to remove pidfile: %s\n", __func__
, e
.what());
261 UnregisterAllValidationInterfaces();
266 globalVerifyHandle
.reset();
268 LogPrintf("%s: done\n", __func__
);
272 * Signal handlers are very limited in what they are allowed to do, so:
274 void HandleSIGTERM(int)
276 fRequestShutdown
= true;
279 void HandleSIGHUP(int)
281 fReopenDebugLog
= true;
284 bool static Bind(CConnman
& connman
, const CService
&addr
, unsigned int flags
) {
285 if (!(flags
& BF_EXPLICIT
) && IsLimited(addr
))
287 std::string strError
;
288 if (!connman
.BindListenPort(addr
, strError
, (flags
& BF_WHITELIST
) != 0)) {
289 if (flags
& BF_REPORT_ERROR
)
290 return InitError(strError
);
297 uiInterface
.NotifyBlockTip
.connect(&RPCNotifyBlockChange
);
302 uiInterface
.NotifyBlockTip
.disconnect(&RPCNotifyBlockChange
);
303 RPCNotifyBlockChange(false, nullptr);
304 cvBlockChange
.notify_all();
305 LogPrint("rpc", "RPC stopped.\n");
308 void OnRPCPreCommand(const CRPCCommand
& cmd
)
311 std::string strWarning
= GetWarnings("rpc");
312 if (strWarning
!= "" && !GetBoolArg("-disablesafemode", DEFAULT_DISABLE_SAFEMODE
) &&
314 throw JSONRPCError(RPC_FORBIDDEN_BY_SAFE_MODE
, std::string("Safe mode: ") + strWarning
);
317 std::string
HelpMessage(HelpMessageMode mode
)
319 const bool showDebug
= GetBoolArg("-help-debug", false);
321 // When adding new options to the categories, please keep and ensure alphabetical ordering.
322 // Do not translate _(...) -help-debug options, Many technical terms, and only a very small audience, so is unnecessary stress to translators.
323 std::string strUsage
= HelpMessageGroup(_("Options:"));
324 strUsage
+= HelpMessageOpt("-?", _("Print this help message and exit"));
325 strUsage
+= HelpMessageOpt("-version", _("Print version and exit"));
326 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)"));
327 strUsage
+= HelpMessageOpt("-blocknotify=<cmd>", _("Execute command when the best block changes (%s in cmd is replaced by block hash)"));
329 strUsage
+= HelpMessageOpt("-blocksonly", strprintf(_("Whether to operate in a blocks only mode (default: %u)"), DEFAULT_BLOCKSONLY
));
330 strUsage
+=HelpMessageOpt("-assumevalid=<hex>", strprintf(_("If this block is in the chain assume that it and its ancestors are valid and potentially skip their script verification (0 to verify all, default: %s, testnet: %s)"), Params(CBaseChainParams::MAIN
).GetConsensus().defaultAssumeValid
.GetHex(), Params(CBaseChainParams::TESTNET
).GetConsensus().defaultAssumeValid
.GetHex()));
331 strUsage
+= HelpMessageOpt("-conf=<file>", strprintf(_("Specify configuration file (default: %s)"), BITCOIN_CONF_FILENAME
));
332 if (mode
== HMM_BITCOIND
)
335 strUsage
+= HelpMessageOpt("-daemon", _("Run in the background as a daemon and accept commands"));
338 strUsage
+= HelpMessageOpt("-datadir=<dir>", _("Specify data directory"));
339 strUsage
+= HelpMessageOpt("-dbcache=<n>", strprintf(_("Set database cache size in megabytes (%d to %d, default: %d)"), nMinDbCache
, nMaxDbCache
, nDefaultDbCache
));
341 strUsage
+= HelpMessageOpt("-feefilter", strprintf("Tell other nodes to filter invs to us by our mempool min fee (default: %u)", DEFAULT_FEEFILTER
));
342 strUsage
+= HelpMessageOpt("-loadblock=<file>", _("Imports blocks from external blk000??.dat file on startup"));
343 strUsage
+= HelpMessageOpt("-maxorphantx=<n>", strprintf(_("Keep at most <n> unconnectable transactions in memory (default: %u)"), DEFAULT_MAX_ORPHAN_TRANSACTIONS
));
344 strUsage
+= HelpMessageOpt("-maxmempool=<n>", strprintf(_("Keep the transaction memory pool below <n> megabytes (default: %u)"), DEFAULT_MAX_MEMPOOL_SIZE
));
345 strUsage
+= HelpMessageOpt("-mempoolexpiry=<n>", strprintf(_("Do not keep transactions in the mempool longer than <n> hours (default: %u)"), DEFAULT_MEMPOOL_EXPIRY
));
346 strUsage
+= HelpMessageOpt("-blockreconstructionextratxn=<n>", strprintf(_("Extra transactions to keep in memory for compact block reconstructions (default: %u)"), DEFAULT_BLOCK_RECONSTRUCTION_EXTRA_TXN
));
347 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)"),
348 -GetNumCores(), MAX_SCRIPTCHECK_THREADS
, DEFAULT_SCRIPTCHECK_THREADS
));
350 strUsage
+= HelpMessageOpt("-pid=<file>", strprintf(_("Specify pid file (default: %s)"), BITCOIN_PID_FILENAME
));
352 strUsage
+= HelpMessageOpt("-prune=<n>", strprintf(_("Reduce storage requirements by enabling pruning (deleting) of old blocks. This allows the pruneblockchain RPC to be called to delete specific blocks, and enables automatic pruning of old blocks if a target size in MiB is provided. This mode is incompatible with -txindex and -rescan. "
353 "Warning: Reverting this setting requires re-downloading the entire blockchain. "
354 "(default: 0 = disable pruning blocks, 1 = allow manual pruning via RPC, >%u = automatically prune block files to stay under the specified target size in MiB)"), MIN_DISK_SPACE_FOR_BLOCK_FILES
/ 1024 / 1024));
355 strUsage
+= HelpMessageOpt("-reindex-chainstate", _("Rebuild chain state from the currently indexed blocks"));
356 strUsage
+= HelpMessageOpt("-reindex", _("Rebuild chain state and block index from the blk*.dat files on disk"));
358 strUsage
+= HelpMessageOpt("-sysperms", _("Create new files with system default permissions, instead of umask 077 (only effective with disabled wallet functionality)"));
360 strUsage
+= HelpMessageOpt("-txindex", strprintf(_("Maintain a full transaction index, used by the getrawtransaction rpc call (default: %u)"), DEFAULT_TXINDEX
));
362 strUsage
+= HelpMessageGroup(_("Connection options:"));
363 strUsage
+= HelpMessageOpt("-addnode=<ip>", _("Add a node to connect to and attempt to keep the connection open"));
364 strUsage
+= HelpMessageOpt("-banscore=<n>", strprintf(_("Threshold for disconnecting misbehaving peers (default: %u)"), DEFAULT_BANSCORE_THRESHOLD
));
365 strUsage
+= HelpMessageOpt("-bantime=<n>", strprintf(_("Number of seconds to keep misbehaving peers from reconnecting (default: %u)"), DEFAULT_MISBEHAVING_BANTIME
));
366 strUsage
+= HelpMessageOpt("-bind=<addr>", _("Bind to given address and always listen on it. Use [host]:port notation for IPv6"));
367 strUsage
+= HelpMessageOpt("-connect=<ip>", _("Connect only to the specified node(s); -noconnect or -connect=0 alone to disable automatic connections"));
368 strUsage
+= HelpMessageOpt("-discover", _("Discover own IP addresses (default: 1 when listening and no -externalip or -proxy)"));
369 strUsage
+= HelpMessageOpt("-dns", _("Allow DNS lookups for -addnode, -seednode and -connect") + " " + strprintf(_("(default: %u)"), DEFAULT_NAME_LOOKUP
));
370 strUsage
+= HelpMessageOpt("-dnsseed", _("Query for peer addresses via DNS lookup, if low on addresses (default: 1 unless -connect/-noconnect)"));
371 strUsage
+= HelpMessageOpt("-externalip=<ip>", _("Specify your own public address"));
372 strUsage
+= HelpMessageOpt("-forcednsseed", strprintf(_("Always query for peer addresses via DNS lookup (default: %u)"), DEFAULT_FORCEDNSSEED
));
373 strUsage
+= HelpMessageOpt("-listen", _("Accept connections from outside (default: 1 if no -proxy or -connect/-noconnect)"));
374 strUsage
+= HelpMessageOpt("-listenonion", strprintf(_("Automatically create Tor hidden service (default: %d)"), DEFAULT_LISTEN_ONION
));
375 strUsage
+= HelpMessageOpt("-maxconnections=<n>", strprintf(_("Maintain at most <n> connections to peers (default: %u)"), DEFAULT_MAX_PEER_CONNECTIONS
));
376 strUsage
+= HelpMessageOpt("-maxreceivebuffer=<n>", strprintf(_("Maximum per-connection receive buffer, <n>*1000 bytes (default: %u)"), DEFAULT_MAXRECEIVEBUFFER
));
377 strUsage
+= HelpMessageOpt("-maxsendbuffer=<n>", strprintf(_("Maximum per-connection send buffer, <n>*1000 bytes (default: %u)"), DEFAULT_MAXSENDBUFFER
));
378 strUsage
+= HelpMessageOpt("-maxtimeadjustment", strprintf(_("Maximum allowed median peer time offset adjustment. Local perspective of time may be influenced by peers forward or backward by this amount. (default: %u seconds)"), DEFAULT_MAX_TIME_ADJUSTMENT
));
379 strUsage
+= HelpMessageOpt("-onion=<ip:port>", strprintf(_("Use separate SOCKS5 proxy to reach peers via Tor hidden services (default: %s)"), "-proxy"));
380 strUsage
+= HelpMessageOpt("-onlynet=<net>", _("Only connect to nodes in network <net> (ipv4, ipv6 or onion)"));
381 strUsage
+= HelpMessageOpt("-permitbaremultisig", strprintf(_("Relay non-P2SH multisig (default: %u)"), DEFAULT_PERMIT_BAREMULTISIG
));
382 strUsage
+= HelpMessageOpt("-peerbloomfilters", strprintf(_("Support filtering of blocks and transaction with bloom filters (default: %u)"), DEFAULT_PEERBLOOMFILTERS
));
383 strUsage
+= HelpMessageOpt("-port=<port>", strprintf(_("Listen for connections on <port> (default: %u or testnet: %u)"), Params(CBaseChainParams::MAIN
).GetDefaultPort(), Params(CBaseChainParams::TESTNET
).GetDefaultPort()));
384 strUsage
+= HelpMessageOpt("-proxy=<ip:port>", _("Connect through SOCKS5 proxy"));
385 strUsage
+= HelpMessageOpt("-proxyrandomize", strprintf(_("Randomize credentials for every proxy connection. This enables Tor stream isolation (default: %u)"), DEFAULT_PROXYRANDOMIZE
));
386 strUsage
+= HelpMessageOpt("-rpcserialversion", strprintf(_("Sets the serialization of raw transaction or block hex returned in non-verbose mode, non-segwit(0) or segwit(1) (default: %d)"), DEFAULT_RPC_SERIALIZE_VERSION
));
387 strUsage
+= HelpMessageOpt("-seednode=<ip>", _("Connect to a node to retrieve peer addresses, and disconnect"));
388 strUsage
+= HelpMessageOpt("-timeout=<n>", strprintf(_("Specify connection timeout in milliseconds (minimum: 1, default: %d)"), DEFAULT_CONNECT_TIMEOUT
));
389 strUsage
+= HelpMessageOpt("-torcontrol=<ip>:<port>", strprintf(_("Tor control port to use if onion listening enabled (default: %s)"), DEFAULT_TOR_CONTROL
));
390 strUsage
+= HelpMessageOpt("-torpassword=<pass>", _("Tor control port password (default: empty)"));
393 strUsage
+= HelpMessageOpt("-upnp", _("Use UPnP to map the listening port (default: 1 when listening and no -proxy)"));
395 strUsage
+= HelpMessageOpt("-upnp", strprintf(_("Use UPnP to map the listening port (default: %u)"), 0));
398 strUsage
+= HelpMessageOpt("-whitebind=<addr>", _("Bind to given address and whitelist peers connecting to it. Use [host]:port notation for IPv6"));
399 strUsage
+= HelpMessageOpt("-whitelist=<IP address or network>", _("Whitelist peers connecting from the given IP address (e.g. 1.2.3.4) or CIDR notated network (e.g. 1.2.3.0/24). Can be specified multiple times.") +
400 " " + _("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"));
401 strUsage
+= HelpMessageOpt("-whitelistrelay", strprintf(_("Accept relayed transactions received from whitelisted peers even when not relaying transactions (default: %d)"), DEFAULT_WHITELISTRELAY
));
402 strUsage
+= HelpMessageOpt("-whitelistforcerelay", strprintf(_("Force relay of transactions from whitelisted peers even if they violate local relay policy (default: %d)"), DEFAULT_WHITELISTFORCERELAY
));
403 strUsage
+= HelpMessageOpt("-maxuploadtarget=<n>", strprintf(_("Tries to keep outbound traffic under the given target (in MiB per 24h), 0 = no limit (default: %d)"), DEFAULT_MAX_UPLOAD_TARGET
));
406 strUsage
+= CWallet::GetWalletHelpString(showDebug
);
410 strUsage
+= HelpMessageGroup(_("ZeroMQ notification options:"));
411 strUsage
+= HelpMessageOpt("-zmqpubhashblock=<address>", _("Enable publish hash block in <address>"));
412 strUsage
+= HelpMessageOpt("-zmqpubhashtx=<address>", _("Enable publish hash transaction in <address>"));
413 strUsage
+= HelpMessageOpt("-zmqpubrawblock=<address>", _("Enable publish raw block in <address>"));
414 strUsage
+= HelpMessageOpt("-zmqpubrawtx=<address>", _("Enable publish raw transaction in <address>"));
417 strUsage
+= HelpMessageGroup(_("Debugging/Testing options:"));
418 strUsage
+= HelpMessageOpt("-uacomment=<cmt>", _("Append comment to the user agent string"));
421 strUsage
+= HelpMessageOpt("-checkblocks=<n>", strprintf(_("How many blocks to check at startup (default: %u, 0 = all)"), DEFAULT_CHECKBLOCKS
));
422 strUsage
+= HelpMessageOpt("-checklevel=<n>", strprintf(_("How thorough the block verification of -checkblocks is (0-4, default: %u)"), DEFAULT_CHECKLEVEL
));
423 strUsage
+= HelpMessageOpt("-checkblockindex", strprintf("Do a full consistency check for mapBlockIndex, setBlockIndexCandidates, chainActive and mapBlocksUnlinked occasionally. Also sets -checkmempool (default: %u)", Params(CBaseChainParams::MAIN
).DefaultConsistencyChecks()));
424 strUsage
+= HelpMessageOpt("-checkmempool=<n>", strprintf("Run checks every <n> transactions (default: %u)", Params(CBaseChainParams::MAIN
).DefaultConsistencyChecks()));
425 strUsage
+= HelpMessageOpt("-checkpoints", strprintf("Disable expensive verification for known chain history (default: %u)", DEFAULT_CHECKPOINTS_ENABLED
));
426 strUsage
+= HelpMessageOpt("-disablesafemode", strprintf("Disable safemode, override a real safe mode event (default: %u)", DEFAULT_DISABLE_SAFEMODE
));
427 strUsage
+= HelpMessageOpt("-testsafemode", strprintf("Force safe mode (default: %u)", DEFAULT_TESTSAFEMODE
));
428 strUsage
+= HelpMessageOpt("-dropmessagestest=<n>", "Randomly drop 1 of every <n> network messages");
429 strUsage
+= HelpMessageOpt("-fuzzmessagestest=<n>", "Randomly fuzz 1 of every <n> network messages");
430 strUsage
+= HelpMessageOpt("-stopafterblockimport", strprintf("Stop running after importing blocks from disk (default: %u)", DEFAULT_STOPAFTERBLOCKIMPORT
));
431 strUsage
+= HelpMessageOpt("-limitancestorcount=<n>", strprintf("Do not accept transactions if number of in-mempool ancestors is <n> or more (default: %u)", DEFAULT_ANCESTOR_LIMIT
));
432 strUsage
+= HelpMessageOpt("-limitancestorsize=<n>", strprintf("Do not accept transactions whose size with all in-mempool ancestors exceeds <n> kilobytes (default: %u)", DEFAULT_ANCESTOR_SIZE_LIMIT
));
433 strUsage
+= HelpMessageOpt("-limitdescendantcount=<n>", strprintf("Do not accept transactions if any ancestor would have <n> or more in-mempool descendants (default: %u)", DEFAULT_DESCENDANT_LIMIT
));
434 strUsage
+= HelpMessageOpt("-limitdescendantsize=<n>", strprintf("Do not accept transactions if any ancestor would have more than <n> kilobytes of in-mempool descendants (default: %u).", DEFAULT_DESCENDANT_SIZE_LIMIT
));
435 strUsage
+= HelpMessageOpt("-bip9params=deployment:start:end", "Use given start/end times for specified BIP9 deployment (regtest-only)");
437 std::string debugCategories
= "addrman, alert, bench, cmpctblock, coindb, db, http, libevent, lock, mempool, mempoolrej, net, proxy, prune, rand, reindex, rpc, selectcoins, tor, zmq"; // Don't translate these and qt below
438 if (mode
== HMM_BITCOIN_QT
)
439 debugCategories
+= ", qt";
440 strUsage
+= HelpMessageOpt("-debug=<category>", strprintf(_("Output debugging information (default: %u, supplying <category> is optional)"), 0) + ". " +
441 _("If <category> is not supplied or if <category> = 1, output all debugging information.") + _("<category> can be:") + " " + debugCategories
+ ".");
443 strUsage
+= HelpMessageOpt("-nodebug", "Turn off debugging messages, same as -debug=0");
444 strUsage
+= HelpMessageOpt("-help-debug", _("Show all debugging options (usage: --help -help-debug)"));
445 strUsage
+= HelpMessageOpt("-logips", strprintf(_("Include IP addresses in debug output (default: %u)"), DEFAULT_LOGIPS
));
446 strUsage
+= HelpMessageOpt("-logtimestamps", strprintf(_("Prepend debug output with timestamp (default: %u)"), DEFAULT_LOGTIMESTAMPS
));
449 strUsage
+= HelpMessageOpt("-logtimemicros", strprintf("Add microsecond precision to debug timestamps (default: %u)", DEFAULT_LOGTIMEMICROS
));
450 strUsage
+= HelpMessageOpt("-mocktime=<n>", "Replace actual time with <n> seconds since epoch (default: 0)");
451 strUsage
+= HelpMessageOpt("-limitfreerelay=<n>", strprintf("Continuously rate-limit free transactions to <n>*1000 bytes per minute (default: %u)", DEFAULT_LIMITFREERELAY
));
452 strUsage
+= HelpMessageOpt("-relaypriority", strprintf("Require high priority for relaying free or low-fee transactions (default: %u)", DEFAULT_RELAYPRIORITY
));
453 strUsage
+= HelpMessageOpt("-maxsigcachesize=<n>", strprintf("Limit size of signature cache to <n> MiB (default: %u)", DEFAULT_MAX_SIG_CACHE_SIZE
));
454 strUsage
+= HelpMessageOpt("-maxtipage=<n>", strprintf("Maximum tip age in seconds to consider node in initial block download (default: %u)", DEFAULT_MAX_TIP_AGE
));
456 strUsage
+= HelpMessageOpt("-minrelaytxfee=<amt>", strprintf(_("Fees (in %s/kB) smaller than this are considered zero fee for relaying, mining and transaction creation (default: %s)"),
457 CURRENCY_UNIT
, FormatMoney(DEFAULT_MIN_RELAY_TX_FEE
)));
458 strUsage
+= HelpMessageOpt("-maxtxfee=<amt>", strprintf(_("Maximum total fees (in %s) to use in a single wallet transaction or raw transaction; setting this too low may abort large transactions (default: %s)"),
459 CURRENCY_UNIT
, FormatMoney(DEFAULT_TRANSACTION_MAXFEE
)));
460 strUsage
+= HelpMessageOpt("-printtoconsole", _("Send trace/debug info to console instead of debug.log file"));
463 strUsage
+= HelpMessageOpt("-printpriority", strprintf("Log transaction priority and fee per kB when mining blocks (default: %u)", DEFAULT_PRINTPRIORITY
));
465 strUsage
+= HelpMessageOpt("-shrinkdebugfile", _("Shrink debug.log file on client startup (default: 1 when no -debug)"));
467 AppendParamsHelpMessages(strUsage
, showDebug
);
469 strUsage
+= HelpMessageGroup(_("Node relay options:"));
471 strUsage
+= HelpMessageOpt("-acceptnonstdtxn", strprintf("Relay and mine \"non-standard\" transactions (%sdefault: %u)", "testnet/regtest only; ", !Params(CBaseChainParams::TESTNET
).RequireStandard()));
472 strUsage
+= HelpMessageOpt("-incrementalrelayfee=<amt>", strprintf("Fee rate (in %s/kB) used to define cost of relay, used for mempool limiting and BIP 125 replacement. (default: %s)", CURRENCY_UNIT
, FormatMoney(DEFAULT_INCREMENTAL_RELAY_FEE
)));
473 strUsage
+= HelpMessageOpt("-dustrelayfee=<amt>", strprintf("Fee rate (in %s/kB) used to defined dust, the value of an output such that it will cost about 1/3 of its value in fees at this fee rate to spend it. (default: %s)", CURRENCY_UNIT
, FormatMoney(DUST_RELAY_TX_FEE
)));
475 strUsage
+= HelpMessageOpt("-bytespersigop", strprintf(_("Equivalent bytes per sigop in transactions for relay and mining (default: %u)"), DEFAULT_BYTES_PER_SIGOP
));
476 strUsage
+= HelpMessageOpt("-datacarrier", strprintf(_("Relay and mine data carrier transactions (default: %u)"), DEFAULT_ACCEPT_DATACARRIER
));
477 strUsage
+= HelpMessageOpt("-datacarriersize", strprintf(_("Maximum size of data in data carrier transactions we relay and mine (default: %u)"), MAX_OP_RETURN_RELAY
));
478 strUsage
+= HelpMessageOpt("-mempoolreplacement", strprintf(_("Enable transaction replacement in the memory pool (default: %u)"), DEFAULT_ENABLE_REPLACEMENT
));
480 strUsage
+= HelpMessageGroup(_("Block creation options:"));
481 strUsage
+= HelpMessageOpt("-blockmaxweight=<n>", strprintf(_("Set maximum BIP141 block weight (default: %d)"), DEFAULT_BLOCK_MAX_WEIGHT
));
482 strUsage
+= HelpMessageOpt("-blockmaxsize=<n>", strprintf(_("Set maximum block size in bytes (default: %d)"), DEFAULT_BLOCK_MAX_SIZE
));
483 strUsage
+= HelpMessageOpt("-blockprioritysize=<n>", strprintf(_("Set maximum size of high-priority/low-fee transactions in bytes (default: %d)"), DEFAULT_BLOCK_PRIORITY_SIZE
));
484 strUsage
+= HelpMessageOpt("-blockmintxfee=<amt>", strprintf(_("Set lowest fee rate (in %s/kB) for transactions to be included in block creation. (default: %s)"), CURRENCY_UNIT
, FormatMoney(DEFAULT_BLOCK_MIN_TX_FEE
)));
486 strUsage
+= HelpMessageOpt("-blockversion=<n>", "Override block version to test forking scenarios");
488 strUsage
+= HelpMessageGroup(_("RPC server options:"));
489 strUsage
+= HelpMessageOpt("-server", _("Accept command line and JSON-RPC commands"));
490 strUsage
+= HelpMessageOpt("-rest", strprintf(_("Accept public REST requests (default: %u)"), DEFAULT_REST_ENABLE
));
491 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)"));
492 strUsage
+= HelpMessageOpt("-rpccookiefile=<loc>", _("Location of the auth cookie (default: data dir)"));
493 strUsage
+= HelpMessageOpt("-rpcuser=<user>", _("Username for JSON-RPC connections"));
494 strUsage
+= HelpMessageOpt("-rpcpassword=<pw>", _("Password for JSON-RPC connections"));
495 strUsage
+= HelpMessageOpt("-rpcauth=<userpw>", _("Username and hashed password for JSON-RPC connections. The field <userpw> comes in the format: <USERNAME>:<SALT>$<HASH>. A canonical python script is included in share/rpcuser. The client then connects normally using the rpcuser=<USERNAME>/rpcpassword=<PASSWORD> pair of arguments. This option can be specified multiple times"));
496 strUsage
+= HelpMessageOpt("-rpcport=<port>", strprintf(_("Listen for JSON-RPC connections on <port> (default: %u or testnet: %u)"), BaseParams(CBaseChainParams::MAIN
).RPCPort(), BaseParams(CBaseChainParams::TESTNET
).RPCPort()));
497 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"));
498 strUsage
+= HelpMessageOpt("-rpcthreads=<n>", strprintf(_("Set the number of threads to service RPC calls (default: %d)"), DEFAULT_HTTP_THREADS
));
500 strUsage
+= HelpMessageOpt("-rpcworkqueue=<n>", strprintf("Set the depth of the work queue to service RPC calls (default: %d)", DEFAULT_HTTP_WORKQUEUE
));
501 strUsage
+= HelpMessageOpt("-rpcservertimeout=<n>", strprintf("Timeout during HTTP requests (default: %d)", DEFAULT_HTTP_SERVER_TIMEOUT
));
507 std::string
LicenseInfo()
509 const std::string URL_SOURCE_CODE
= "<https://github.com/bitcoin/bitcoin>";
510 const std::string URL_WEBSITE
= "<https://bitcoincore.org>";
512 return CopyrightHolders(strprintf(_("Copyright (C) %i-%i"), 2009, COPYRIGHT_YEAR
) + " ") + "\n" +
514 strprintf(_("Please contribute if you find %s useful. "
515 "Visit %s for further information about the software."),
516 PACKAGE_NAME
, URL_WEBSITE
) +
518 strprintf(_("The source code is available from %s."),
522 _("This is experimental software.") + "\n" +
523 strprintf(_("Distributed under the MIT software license, see the accompanying file %s or %s"), "COPYING", "<https://opensource.org/licenses/MIT>") + "\n" +
525 strprintf(_("This product includes software developed by the OpenSSL Project for use in the OpenSSL Toolkit %s and cryptographic software written by Eric Young and UPnP software written by Thomas Bernard."), "<https://www.openssl.org>") +
529 static void BlockNotifyCallback(bool initialSync
, const CBlockIndex
*pBlockIndex
)
531 if (initialSync
|| !pBlockIndex
)
534 std::string strCmd
= GetArg("-blocknotify", "");
536 boost::replace_all(strCmd
, "%s", pBlockIndex
->GetBlockHash().GetHex());
537 boost::thread
t(runCommand
, strCmd
); // thread runs free
540 static bool fHaveGenesis
= false;
541 static boost::mutex cs_GenesisWait
;
542 static CConditionVariable condvar_GenesisWait
;
544 static void BlockNotifyGenesisWait(bool, const CBlockIndex
*pBlockIndex
)
546 if (pBlockIndex
!= NULL
) {
548 boost::unique_lock
<boost::mutex
> lock_GenesisWait(cs_GenesisWait
);
551 condvar_GenesisWait
.notify_all();
558 assert(fImporting
== false);
563 assert(fImporting
== true);
569 // If we're using -prune with -reindex, then delete block files that will be ignored by the
570 // reindex. Since reindexing works by starting at block file 0 and looping until a blockfile
571 // is missing, do the same here to delete any later block files after a gap. Also delete all
572 // rev files since they'll be rewritten by the reindex anyway. This ensures that vinfoBlockFile
573 // is in sync with what's actually on disk by the time we start downloading, so that pruning
575 void CleanupBlockRevFiles()
577 std::map
<std::string
, boost::filesystem::path
> mapBlockFiles
;
579 // Glob all blk?????.dat and rev?????.dat files from the blocks directory.
580 // Remove the rev files immediately and insert the blk file paths into an
581 // ordered map keyed by block file index.
582 LogPrintf("Removing unusable blk?????.dat and rev?????.dat files for -reindex with -prune\n");
583 boost::filesystem::path blocksdir
= GetDataDir() / "blocks";
584 for (boost::filesystem::directory_iterator
it(blocksdir
); it
!= boost::filesystem::directory_iterator(); it
++) {
585 if (is_regular_file(*it
) &&
586 it
->path().filename().string().length() == 12 &&
587 it
->path().filename().string().substr(8,4) == ".dat")
589 if (it
->path().filename().string().substr(0,3) == "blk")
590 mapBlockFiles
[it
->path().filename().string().substr(3,5)] = it
->path();
591 else if (it
->path().filename().string().substr(0,3) == "rev")
596 // Remove all block files that aren't part of a contiguous set starting at
597 // zero by walking the ordered map (keys are block file indices) by
598 // keeping a separate counter. Once we hit a gap (or if 0 doesn't exist)
599 // start removing block files.
600 int nContigCounter
= 0;
601 BOOST_FOREACH(const PAIRTYPE(std::string
, boost::filesystem::path
)& item
, mapBlockFiles
) {
602 if (atoi(item
.first
) == nContigCounter
) {
610 void ThreadImport(std::vector
<boost::filesystem::path
> vImportFiles
)
612 const CChainParams
& chainparams
= Params();
613 RenameThread("bitcoin-loadblk");
622 CDiskBlockPos
pos(nFile
, 0);
623 if (!boost::filesystem::exists(GetBlockPosFilename(pos
, "blk")))
624 break; // No block files left to reindex
625 FILE *file
= OpenBlockFile(pos
, true);
627 break; // This error is logged in OpenBlockFile
628 LogPrintf("Reindexing block file blk%05u.dat...\n", (unsigned int)nFile
);
629 LoadExternalBlockFile(chainparams
, file
, &pos
);
632 pblocktree
->WriteReindexing(false);
634 LogPrintf("Reindexing finished\n");
635 // To avoid ending up in a situation without genesis block, re-try initializing (no-op if reindexing worked):
636 InitBlockIndex(chainparams
);
639 // hardcoded $DATADIR/bootstrap.dat
640 boost::filesystem::path pathBootstrap
= GetDataDir() / "bootstrap.dat";
641 if (boost::filesystem::exists(pathBootstrap
)) {
642 FILE *file
= fopen(pathBootstrap
.string().c_str(), "rb");
644 boost::filesystem::path pathBootstrapOld
= GetDataDir() / "bootstrap.dat.old";
645 LogPrintf("Importing bootstrap.dat...\n");
646 LoadExternalBlockFile(chainparams
, file
);
647 RenameOver(pathBootstrap
, pathBootstrapOld
);
649 LogPrintf("Warning: Could not open bootstrap file %s\n", pathBootstrap
.string());
654 BOOST_FOREACH(const boost::filesystem::path
& path
, vImportFiles
) {
655 FILE *file
= fopen(path
.string().c_str(), "rb");
657 LogPrintf("Importing blocks file %s...\n", path
.string());
658 LoadExternalBlockFile(chainparams
, file
);
660 LogPrintf("Warning: Could not open blocks file %s\n", path
.string());
664 // scan for better chains in the block chain database, that are not yet connected in the active best chain
665 CValidationState state
;
666 if (!ActivateBestChain(state
, chainparams
)) {
667 LogPrintf("Failed to connect best block");
671 if (GetBoolArg("-stopafterblockimport", DEFAULT_STOPAFTERBLOCKIMPORT
)) {
672 LogPrintf("Stopping after block import\n");
675 } // End scope of CImportingNow
677 fDumpMempoolLater
= !fRequestShutdown
;
681 * Ensure that Bitcoin is running in a usable environment with all
682 * necessary library support.
684 bool InitSanityCheck(void)
686 if(!ECC_InitSanityCheck()) {
687 InitError("Elliptic curve cryptography sanity check failure. Aborting.");
690 if (!glibc_sanity_test() || !glibcxx_sanity_test())
696 bool AppInitServers(boost::thread_group
& threadGroup
)
698 RPCServer::OnStarted(&OnRPCStarted
);
699 RPCServer::OnStopped(&OnRPCStopped
);
700 RPCServer::OnPreCommand(&OnRPCPreCommand
);
701 if (!InitHTTPServer())
707 if (GetBoolArg("-rest", DEFAULT_REST_ENABLE
) && !StartREST())
709 if (!StartHTTPServer())
714 // Parameter interaction based on rules
715 void InitParameterInteraction()
717 // when specifying an explicit binding address, you want to listen on it
718 // even when -connect or -proxy is specified
719 if (IsArgSet("-bind")) {
720 if (SoftSetBoolArg("-listen", true))
721 LogPrintf("%s: parameter interaction: -bind set -> setting -listen=1\n", __func__
);
723 if (IsArgSet("-whitebind")) {
724 if (SoftSetBoolArg("-listen", true))
725 LogPrintf("%s: parameter interaction: -whitebind set -> setting -listen=1\n", __func__
);
728 if (mapMultiArgs
.count("-connect") && mapMultiArgs
.at("-connect").size() > 0) {
729 // when only connecting to trusted nodes, do not seed via DNS, or listen by default
730 if (SoftSetBoolArg("-dnsseed", false))
731 LogPrintf("%s: parameter interaction: -connect set -> setting -dnsseed=0\n", __func__
);
732 if (SoftSetBoolArg("-listen", false))
733 LogPrintf("%s: parameter interaction: -connect set -> setting -listen=0\n", __func__
);
736 if (IsArgSet("-proxy")) {
737 // to protect privacy, do not listen by default if a default proxy server is specified
738 if (SoftSetBoolArg("-listen", false))
739 LogPrintf("%s: parameter interaction: -proxy set -> setting -listen=0\n", __func__
);
740 // to protect privacy, do not use UPNP when a proxy is set. The user may still specify -listen=1
741 // to listen locally, so don't rely on this happening through -listen below.
742 if (SoftSetBoolArg("-upnp", false))
743 LogPrintf("%s: parameter interaction: -proxy set -> setting -upnp=0\n", __func__
);
744 // to protect privacy, do not discover addresses by default
745 if (SoftSetBoolArg("-discover", false))
746 LogPrintf("%s: parameter interaction: -proxy set -> setting -discover=0\n", __func__
);
749 if (!GetBoolArg("-listen", DEFAULT_LISTEN
)) {
750 // do not map ports or try to retrieve public IP when not listening (pointless)
751 if (SoftSetBoolArg("-upnp", false))
752 LogPrintf("%s: parameter interaction: -listen=0 -> setting -upnp=0\n", __func__
);
753 if (SoftSetBoolArg("-discover", false))
754 LogPrintf("%s: parameter interaction: -listen=0 -> setting -discover=0\n", __func__
);
755 if (SoftSetBoolArg("-listenonion", false))
756 LogPrintf("%s: parameter interaction: -listen=0 -> setting -listenonion=0\n", __func__
);
759 if (IsArgSet("-externalip")) {
760 // if an explicit public IP is specified, do not try to find others
761 if (SoftSetBoolArg("-discover", false))
762 LogPrintf("%s: parameter interaction: -externalip set -> setting -discover=0\n", __func__
);
765 // disable whitelistrelay in blocksonly mode
766 if (GetBoolArg("-blocksonly", DEFAULT_BLOCKSONLY
)) {
767 if (SoftSetBoolArg("-whitelistrelay", false))
768 LogPrintf("%s: parameter interaction: -blocksonly=1 -> setting -whitelistrelay=0\n", __func__
);
771 // Forcing relay from whitelisted hosts implies we will accept relays from them in the first place.
772 if (GetBoolArg("-whitelistforcerelay", DEFAULT_WHITELISTFORCERELAY
)) {
773 if (SoftSetBoolArg("-whitelistrelay", true))
774 LogPrintf("%s: parameter interaction: -whitelistforcerelay=1 -> setting -whitelistrelay=1\n", __func__
);
778 static std::string
ResolveErrMsg(const char * const optname
, const std::string
& strBind
)
780 return strprintf(_("Cannot resolve -%s address: '%s'"), optname
, strBind
);
785 fPrintToConsole
= GetBoolArg("-printtoconsole", false);
786 fLogTimestamps
= GetBoolArg("-logtimestamps", DEFAULT_LOGTIMESTAMPS
);
787 fLogTimeMicros
= GetBoolArg("-logtimemicros", DEFAULT_LOGTIMEMICROS
);
788 fLogIPs
= GetBoolArg("-logips", DEFAULT_LOGIPS
);
790 LogPrintf("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n");
791 LogPrintf("Bitcoin version %s\n", FormatFullVersion());
794 namespace { // Variables internal to initialization process only
796 ServiceFlags nRelevantServices
= NODE_NETWORK
;
798 int nUserMaxConnections
;
800 ServiceFlags nLocalServices
= NODE_NETWORK
;
804 bool AppInitBasicSetup()
806 // ********************************************************* Step 1: setup
808 // Turn off Microsoft heap dump noise
809 _CrtSetReportMode(_CRT_WARN
, _CRTDBG_MODE_FILE
);
810 _CrtSetReportFile(_CRT_WARN
, CreateFileA("NUL", GENERIC_WRITE
, 0, NULL
, OPEN_EXISTING
, 0, 0));
813 // Disable confusing "helpful" text message on abort, Ctrl-C
814 _set_abort_behavior(0, _WRITE_ABORT_MSG
| _CALL_REPORTFAULT
);
817 // Enable Data Execution Prevention (DEP)
818 // Minimum supported OS versions: WinXP SP3, WinVista >= SP1, Win Server 2008
819 // A failure is non-critical and needs no further attention!
820 #ifndef PROCESS_DEP_ENABLE
821 // We define this here, because GCCs winbase.h limits this to _WIN32_WINNT >= 0x0601 (Windows 7),
822 // which is not correct. Can be removed, when GCCs winbase.h is fixed!
823 #define PROCESS_DEP_ENABLE 0x00000001
825 typedef BOOL (WINAPI
*PSETPROCDEPPOL
)(DWORD
);
826 PSETPROCDEPPOL setProcDEPPol
= (PSETPROCDEPPOL
)GetProcAddress(GetModuleHandleA("Kernel32.dll"), "SetProcessDEPPolicy");
827 if (setProcDEPPol
!= NULL
) setProcDEPPol(PROCESS_DEP_ENABLE
);
830 if (!SetupNetworking())
831 return InitError("Initializing networking failed");
834 if (!GetBoolArg("-sysperms", false)) {
838 // Clean shutdown on SIGTERM
840 sa
.sa_handler
= HandleSIGTERM
;
841 sigemptyset(&sa
.sa_mask
);
843 sigaction(SIGTERM
, &sa
, NULL
);
844 sigaction(SIGINT
, &sa
, NULL
);
846 // Reopen debug.log on SIGHUP
847 struct sigaction sa_hup
;
848 sa_hup
.sa_handler
= HandleSIGHUP
;
849 sigemptyset(&sa_hup
.sa_mask
);
851 sigaction(SIGHUP
, &sa_hup
, NULL
);
853 // Ignore SIGPIPE, otherwise it will bring the daemon down if the client closes unexpectedly
854 signal(SIGPIPE
, SIG_IGN
);
859 bool AppInitParameterInteraction()
861 const CChainParams
& chainparams
= Params();
862 // ********************************************************* Step 2: parameter interactions
864 // also see: InitParameterInteraction()
866 // if using block pruning, then disallow txindex
867 if (GetArg("-prune", 0)) {
868 if (GetBoolArg("-txindex", DEFAULT_TXINDEX
))
869 return InitError(_("Prune mode is incompatible with -txindex."));
872 // Make sure enough file descriptors are available
873 int nBind
= std::max(
874 (mapMultiArgs
.count("-bind") ? mapMultiArgs
.at("-bind").size() : 0) +
875 (mapMultiArgs
.count("-whitebind") ? mapMultiArgs
.at("-whitebind").size() : 0), size_t(1));
876 nUserMaxConnections
= GetArg("-maxconnections", DEFAULT_MAX_PEER_CONNECTIONS
);
877 nMaxConnections
= std::max(nUserMaxConnections
, 0);
879 // Trim requested connection counts, to fit into system limitations
880 nMaxConnections
= std::max(std::min(nMaxConnections
, (int)(FD_SETSIZE
- nBind
- MIN_CORE_FILEDESCRIPTORS
- MAX_ADDNODE_CONNECTIONS
)), 0);
881 nFD
= RaiseFileDescriptorLimit(nMaxConnections
+ MIN_CORE_FILEDESCRIPTORS
+ MAX_ADDNODE_CONNECTIONS
);
882 if (nFD
< MIN_CORE_FILEDESCRIPTORS
)
883 return InitError(_("Not enough file descriptors available."));
884 nMaxConnections
= std::min(nFD
- MIN_CORE_FILEDESCRIPTORS
- MAX_ADDNODE_CONNECTIONS
, nMaxConnections
);
886 if (nMaxConnections
< nUserMaxConnections
)
887 InitWarning(strprintf(_("Reducing -maxconnections from %d to %d, because of system limitations."), nUserMaxConnections
, nMaxConnections
));
889 // ********************************************************* Step 3: parameter-to-internal-flags
891 fDebug
= mapMultiArgs
.count("-debug");
892 // Special-case: if -debug=0/-nodebug is set, turn off debugging messages
894 const std::vector
<std::string
>& categories
= mapMultiArgs
.at("-debug");
895 if (GetBoolArg("-nodebug", false) || find(categories
.begin(), categories
.end(), std::string("0")) != categories
.end())
899 // Check for -debugnet
900 if (GetBoolArg("-debugnet", false))
901 InitWarning(_("Unsupported argument -debugnet ignored, use -debug=net."));
902 // Check for -socks - as this is a privacy risk to continue, exit here
903 if (IsArgSet("-socks"))
904 return InitError(_("Unsupported argument -socks found. Setting SOCKS version isn't possible anymore, only SOCKS5 proxies are supported."));
905 // Check for -tor - as this is a privacy risk to continue, exit here
906 if (GetBoolArg("-tor", false))
907 return InitError(_("Unsupported argument -tor found, use -onion."));
909 if (GetBoolArg("-benchmark", false))
910 InitWarning(_("Unsupported argument -benchmark ignored, use -debug=bench."));
912 if (GetBoolArg("-whitelistalwaysrelay", false))
913 InitWarning(_("Unsupported argument -whitelistalwaysrelay ignored, use -whitelistrelay and/or -whitelistforcerelay."));
915 if (IsArgSet("-blockminsize"))
916 InitWarning("Unsupported argument -blockminsize ignored.");
918 // Checkmempool and checkblockindex default to true in regtest mode
919 int ratio
= std::min
<int>(std::max
<int>(GetArg("-checkmempool", chainparams
.DefaultConsistencyChecks() ? 1 : 0), 0), 1000000);
921 mempool
.setSanityCheck(1.0 / ratio
);
923 fCheckBlockIndex
= GetBoolArg("-checkblockindex", chainparams
.DefaultConsistencyChecks());
924 fCheckpointsEnabled
= GetBoolArg("-checkpoints", DEFAULT_CHECKPOINTS_ENABLED
);
926 hashAssumeValid
= uint256S(GetArg("-assumevalid", chainparams
.GetConsensus().defaultAssumeValid
.GetHex()));
927 if (!hashAssumeValid
.IsNull())
928 LogPrintf("Assuming ancestors of block %s have valid signatures.\n", hashAssumeValid
.GetHex());
930 LogPrintf("Validating signatures for all blocks.\n");
933 int64_t nMempoolSizeMax
= GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE
) * 1000000;
934 int64_t nMempoolSizeMin
= GetArg("-limitdescendantsize", DEFAULT_DESCENDANT_SIZE_LIMIT
) * 1000 * 40;
935 if (nMempoolSizeMax
< 0 || nMempoolSizeMax
< nMempoolSizeMin
)
936 return InitError(strprintf(_("-maxmempool must be at least %d MB"), std::ceil(nMempoolSizeMin
/ 1000000.0)));
937 // incremental relay fee sets the minimimum feerate increase necessary for BIP 125 replacement in the mempool
938 // and the amount the mempool min fee increases above the feerate of txs evicted due to mempool limiting.
939 if (IsArgSet("-incrementalrelayfee"))
942 if (!ParseMoney(GetArg("-incrementalrelayfee", ""), n
))
943 return InitError(AmountErrMsg("incrementalrelayfee", GetArg("-incrementalrelayfee", "")));
944 incrementalRelayFee
= CFeeRate(n
);
947 // -par=0 means autodetect, but nScriptCheckThreads==0 means no concurrency
948 nScriptCheckThreads
= GetArg("-par", DEFAULT_SCRIPTCHECK_THREADS
);
949 if (nScriptCheckThreads
<= 0)
950 nScriptCheckThreads
+= GetNumCores();
951 if (nScriptCheckThreads
<= 1)
952 nScriptCheckThreads
= 0;
953 else if (nScriptCheckThreads
> MAX_SCRIPTCHECK_THREADS
)
954 nScriptCheckThreads
= MAX_SCRIPTCHECK_THREADS
;
956 // block pruning; get the amount of disk space (in MiB) to allot for block & undo files
957 int64_t nPruneArg
= GetArg("-prune", 0);
959 return InitError(_("Prune cannot be configured with a negative value."));
961 nPruneTarget
= (uint64_t) nPruneArg
* 1024 * 1024;
962 if (nPruneArg
== 1) { // manual pruning: -prune=1
963 LogPrintf("Block pruning enabled. Use RPC call pruneblockchain(height) to manually prune block and undo files.\n");
964 nPruneTarget
= std::numeric_limits
<uint64_t>::max();
966 } else if (nPruneTarget
) {
967 if (nPruneTarget
< MIN_DISK_SPACE_FOR_BLOCK_FILES
) {
968 return InitError(strprintf(_("Prune configured below the minimum of %d MiB. Please use a higher number."), MIN_DISK_SPACE_FOR_BLOCK_FILES
/ 1024 / 1024));
970 LogPrintf("Prune configured to target %uMiB on disk for block and undo files.\n", nPruneTarget
/ 1024 / 1024);
974 RegisterAllCoreRPCCommands(tableRPC
);
976 RegisterWalletRPCCommands(tableRPC
);
979 nConnectTimeout
= GetArg("-timeout", DEFAULT_CONNECT_TIMEOUT
);
980 if (nConnectTimeout
<= 0)
981 nConnectTimeout
= DEFAULT_CONNECT_TIMEOUT
;
983 // Fee-per-kilobyte amount considered the same as "free"
984 // If you are mining, be careful setting this:
985 // if you set it to zero then
986 // a transaction spammer can cheaply fill blocks using
987 // 1-satoshi-fee transactions. It should be set above the real
988 // cost to you of processing a transaction.
989 if (IsArgSet("-minrelaytxfee"))
992 if (!ParseMoney(GetArg("-minrelaytxfee", ""), n
) || 0 == n
)
993 return InitError(AmountErrMsg("minrelaytxfee", GetArg("-minrelaytxfee", "")));
994 // High fee check is done afterward in CWallet::ParameterInteraction()
995 ::minRelayTxFee
= CFeeRate(n
);
996 } else if (incrementalRelayFee
> ::minRelayTxFee
) {
997 // Allow only setting incrementalRelayFee to control both
998 ::minRelayTxFee
= incrementalRelayFee
;
999 LogPrintf("Increasing minrelaytxfee to %s to match incrementalrelayfee\n",::minRelayTxFee
.ToString());
1002 // Sanity check argument for min fee for including tx in block
1003 // TODO: Harmonize which arguments need sanity checking and where that happens
1004 if (IsArgSet("-blockmintxfee"))
1007 if (!ParseMoney(GetArg("-blockmintxfee", ""), n
))
1008 return InitError(AmountErrMsg("blockmintxfee", GetArg("-blockmintxfee", "")));
1011 // Feerate used to define dust. Shouldn't be changed lightly as old
1012 // implementations may inadvertently create non-standard transactions
1013 if (IsArgSet("-dustrelayfee"))
1016 if (!ParseMoney(GetArg("-dustrelayfee", ""), n
) || 0 == n
)
1017 return InitError(AmountErrMsg("dustrelayfee", GetArg("-dustrelayfee", "")));
1018 dustRelayFee
= CFeeRate(n
);
1021 fRequireStandard
= !GetBoolArg("-acceptnonstdtxn", !chainparams
.RequireStandard());
1022 if (chainparams
.RequireStandard() && !fRequireStandard
)
1023 return InitError(strprintf("acceptnonstdtxn is not currently supported for %s chain", chainparams
.NetworkIDString()));
1024 nBytesPerSigOp
= GetArg("-bytespersigop", nBytesPerSigOp
);
1026 #ifdef ENABLE_WALLET
1027 if (!CWallet::ParameterInteraction())
1031 fIsBareMultisigStd
= GetBoolArg("-permitbaremultisig", DEFAULT_PERMIT_BAREMULTISIG
);
1032 fAcceptDatacarrier
= GetBoolArg("-datacarrier", DEFAULT_ACCEPT_DATACARRIER
);
1033 nMaxDatacarrierBytes
= GetArg("-datacarriersize", nMaxDatacarrierBytes
);
1035 // Option to startup with mocktime set (used for regression testing):
1036 SetMockTime(GetArg("-mocktime", 0)); // SetMockTime(0) is a no-op
1038 if (GetBoolArg("-peerbloomfilters", DEFAULT_PEERBLOOMFILTERS
))
1039 nLocalServices
= ServiceFlags(nLocalServices
| NODE_BLOOM
);
1041 if (GetArg("-rpcserialversion", DEFAULT_RPC_SERIALIZE_VERSION
) < 0)
1042 return InitError("rpcserialversion must be non-negative.");
1044 if (GetArg("-rpcserialversion", DEFAULT_RPC_SERIALIZE_VERSION
) > 1)
1045 return InitError("unknown rpcserialversion requested.");
1047 nMaxTipAge
= GetArg("-maxtipage", DEFAULT_MAX_TIP_AGE
);
1049 fEnableReplacement
= GetBoolArg("-mempoolreplacement", DEFAULT_ENABLE_REPLACEMENT
);
1050 if ((!fEnableReplacement
) && IsArgSet("-mempoolreplacement")) {
1051 // Minimal effort at forwards compatibility
1052 std::string strReplacementModeList
= GetArg("-mempoolreplacement", ""); // default is impossible
1053 std::vector
<std::string
> vstrReplacementModes
;
1054 boost::split(vstrReplacementModes
, strReplacementModeList
, boost::is_any_of(","));
1055 fEnableReplacement
= (std::find(vstrReplacementModes
.begin(), vstrReplacementModes
.end(), "fee") != vstrReplacementModes
.end());
1058 if (mapMultiArgs
.count("-bip9params")) {
1059 // Allow overriding BIP9 parameters for testing
1060 if (!chainparams
.MineBlocksOnDemand()) {
1061 return InitError("BIP9 parameters may only be overridden on regtest.");
1063 const std::vector
<std::string
>& deployments
= mapMultiArgs
.at("-bip9params");
1064 for (auto i
: deployments
) {
1065 std::vector
<std::string
> vDeploymentParams
;
1066 boost::split(vDeploymentParams
, i
, boost::is_any_of(":"));
1067 if (vDeploymentParams
.size() != 3) {
1068 return InitError("BIP9 parameters malformed, expecting deployment:start:end");
1070 int64_t nStartTime
, nTimeout
;
1071 if (!ParseInt64(vDeploymentParams
[1], &nStartTime
)) {
1072 return InitError(strprintf("Invalid nStartTime (%s)", vDeploymentParams
[1]));
1074 if (!ParseInt64(vDeploymentParams
[2], &nTimeout
)) {
1075 return InitError(strprintf("Invalid nTimeout (%s)", vDeploymentParams
[2]));
1078 for (int j
=0; j
<(int)Consensus::MAX_VERSION_BITS_DEPLOYMENTS
; ++j
)
1080 if (vDeploymentParams
[0].compare(VersionBitsDeploymentInfo
[j
].name
) == 0) {
1081 UpdateRegtestBIP9Parameters(Consensus::DeploymentPos(j
), nStartTime
, nTimeout
);
1083 LogPrintf("Setting BIP9 activation parameters for %s to start=%ld, timeout=%ld\n", vDeploymentParams
[0], nStartTime
, nTimeout
);
1088 return InitError(strprintf("Invalid deployment (%s)", vDeploymentParams
[0]));
1095 static bool LockDataDirectory(bool probeOnly
)
1097 std::string strDataDir
= GetDataDir().string();
1099 // Make sure only a single Bitcoin process is using the data directory.
1100 boost::filesystem::path pathLockFile
= GetDataDir() / ".lock";
1101 FILE* file
= fopen(pathLockFile
.string().c_str(), "a"); // empty lock file; created if it doesn't exist.
1102 if (file
) fclose(file
);
1105 static boost::interprocess::file_lock
lock(pathLockFile
.string().c_str());
1106 if (!lock
.try_lock()) {
1107 return InitError(strprintf(_("Cannot obtain a lock on data directory %s. %s is probably already running."), strDataDir
, _(PACKAGE_NAME
)));
1112 } catch(const boost::interprocess::interprocess_exception
& e
) {
1113 return InitError(strprintf(_("Cannot obtain a lock on data directory %s. %s is probably already running.") + " %s.", strDataDir
, _(PACKAGE_NAME
), e
.what()));
1118 bool AppInitSanityChecks()
1120 // ********************************************************* Step 4: sanity checks
1122 // Initialize elliptic curve code
1124 globalVerifyHandle
.reset(new ECCVerifyHandle());
1127 if (!InitSanityCheck())
1128 return InitError(strprintf(_("Initialization sanity check failed. %s is shutting down."), _(PACKAGE_NAME
)));
1130 // Probe the data directory lock to give an early error message, if possible
1131 return LockDataDirectory(true);
1134 bool AppInitMain(boost::thread_group
& threadGroup
, CScheduler
& scheduler
)
1136 const CChainParams
& chainparams
= Params();
1137 // ********************************************************* Step 4a: application initialization
1138 // After daemonization get the data directory lock again and hold on to it until exit
1139 // This creates a slight window for a race condition to happen, however this condition is harmless: it
1140 // will at most make us exit without printing a message to console.
1141 if (!LockDataDirectory(false)) {
1142 // Detailed error printed inside LockDataDirectory
1147 CreatePidFile(GetPidFile(), getpid());
1149 if (GetBoolArg("-shrinkdebugfile", !fDebug
)) {
1150 // Do this first since it both loads a bunch of debug.log into memory,
1151 // and because this needs to happen before any other debug.log printing
1155 if (fPrintToDebugLog
)
1158 if (!fLogTimestamps
)
1159 LogPrintf("Startup time: %s\n", DateTimeStrFormat("%Y-%m-%d %H:%M:%S", GetTime()));
1160 LogPrintf("Default data directory %s\n", GetDefaultDataDir().string());
1161 LogPrintf("Using data directory %s\n", GetDataDir().string());
1162 LogPrintf("Using config file %s\n", GetConfigFile(GetArg("-conf", BITCOIN_CONF_FILENAME
)).string());
1163 LogPrintf("Using at most %i automatic connections (%i file descriptors available)\n", nMaxConnections
, nFD
);
1165 InitSignatureCache();
1167 LogPrintf("Using %u threads for script verification\n", nScriptCheckThreads
);
1168 if (nScriptCheckThreads
) {
1169 for (int i
=0; i
<nScriptCheckThreads
-1; i
++)
1170 threadGroup
.create_thread(&ThreadScriptCheck
);
1173 // Start the lightweight task scheduler thread
1174 CScheduler::Function serviceLoop
= boost::bind(&CScheduler::serviceQueue
, &scheduler
);
1175 threadGroup
.create_thread(boost::bind(&TraceThread
<CScheduler::Function
>, "scheduler", serviceLoop
));
1177 /* Start the RPC server already. It will be started in "warmup" mode
1178 * and not really process calls already (but it will signify connections
1179 * that the server is there and will be ready later). Warmup mode will
1180 * be disabled when initialisation is finished.
1182 if (GetBoolArg("-server", false))
1184 uiInterface
.InitMessage
.connect(SetRPCWarmupStatus
);
1185 if (!AppInitServers(threadGroup
))
1186 return InitError(_("Unable to start HTTP server. See debug log for details."));
1191 // ********************************************************* Step 5: verify wallet database integrity
1192 #ifdef ENABLE_WALLET
1193 if (!CWallet::Verify())
1196 // ********************************************************* Step 6: network initialization
1197 // Note that we absolutely cannot open any actual connections
1198 // until the very end ("start node") as the UTXO/block state
1199 // is not yet setup and may end up being set up twice if we
1200 // need to reindex later.
1203 g_connman
= std::unique_ptr
<CConnman
>(new CConnman(GetRand(std::numeric_limits
<uint64_t>::max()), GetRand(std::numeric_limits
<uint64_t>::max())));
1204 CConnman
& connman
= *g_connman
;
1206 peerLogic
.reset(new PeerLogicValidation(&connman
));
1207 RegisterValidationInterface(peerLogic
.get());
1208 RegisterNodeSignals(GetNodeSignals());
1210 // sanitize comments per BIP-0014, format user agent and check total size
1211 std::vector
<std::string
> uacomments
;
1212 if (mapMultiArgs
.count("-uacomment")) {
1213 BOOST_FOREACH(std::string cmt
, mapMultiArgs
.at("-uacomment"))
1215 if (cmt
!= SanitizeString(cmt
, SAFE_CHARS_UA_COMMENT
))
1216 return InitError(strprintf(_("User Agent comment (%s) contains unsafe characters."), cmt
));
1217 uacomments
.push_back(cmt
);
1220 strSubVersion
= FormatSubVersion(CLIENT_NAME
, CLIENT_VERSION
, uacomments
);
1221 if (strSubVersion
.size() > MAX_SUBVERSION_LENGTH
) {
1222 return InitError(strprintf(_("Total length of network version string (%i) exceeds maximum length (%i). Reduce the number or size of uacomments."),
1223 strSubVersion
.size(), MAX_SUBVERSION_LENGTH
));
1226 if (mapMultiArgs
.count("-onlynet")) {
1227 std::set
<enum Network
> nets
;
1228 BOOST_FOREACH(const std::string
& snet
, mapMultiArgs
.at("-onlynet")) {
1229 enum Network net
= ParseNetwork(snet
);
1230 if (net
== NET_UNROUTABLE
)
1231 return InitError(strprintf(_("Unknown network specified in -onlynet: '%s'"), snet
));
1234 for (int n
= 0; n
< NET_MAX
; n
++) {
1235 enum Network net
= (enum Network
)n
;
1236 if (!nets
.count(net
))
1241 if (mapMultiArgs
.count("-whitelist")) {
1242 BOOST_FOREACH(const std::string
& net
, mapMultiArgs
.at("-whitelist")) {
1244 LookupSubNet(net
.c_str(), subnet
);
1245 if (!subnet
.IsValid())
1246 return InitError(strprintf(_("Invalid netmask specified in -whitelist: '%s'"), net
));
1247 connman
.AddWhitelistedRange(subnet
);
1251 bool proxyRandomize
= GetBoolArg("-proxyrandomize", DEFAULT_PROXYRANDOMIZE
);
1252 // -proxy sets a proxy for all outgoing network traffic
1253 // -noproxy (or -proxy=0) as well as the empty string can be used to not set a proxy, this is the default
1254 std::string proxyArg
= GetArg("-proxy", "");
1255 SetLimited(NET_TOR
);
1256 if (proxyArg
!= "" && proxyArg
!= "0") {
1257 CService
resolved(LookupNumeric(proxyArg
.c_str(), 9050));
1258 proxyType addrProxy
= proxyType(resolved
, proxyRandomize
);
1259 if (!addrProxy
.IsValid())
1260 return InitError(strprintf(_("Invalid -proxy address: '%s'"), proxyArg
));
1262 SetProxy(NET_IPV4
, addrProxy
);
1263 SetProxy(NET_IPV6
, addrProxy
);
1264 SetProxy(NET_TOR
, addrProxy
);
1265 SetNameProxy(addrProxy
);
1266 SetLimited(NET_TOR
, false); // by default, -proxy sets onion as reachable, unless -noonion later
1269 // -onion can be used to set only a proxy for .onion, or override normal proxy for .onion addresses
1270 // -noonion (or -onion=0) disables connecting to .onion entirely
1271 // An empty string is used to not override the onion proxy (in which case it defaults to -proxy set above, or none)
1272 std::string onionArg
= GetArg("-onion", "");
1273 if (onionArg
!= "") {
1274 if (onionArg
== "0") { // Handle -noonion/-onion=0
1275 SetLimited(NET_TOR
); // set onions as unreachable
1277 CService
resolved(LookupNumeric(onionArg
.c_str(), 9050));
1278 proxyType addrOnion
= proxyType(resolved
, proxyRandomize
);
1279 if (!addrOnion
.IsValid())
1280 return InitError(strprintf(_("Invalid -onion address: '%s'"), onionArg
));
1281 SetProxy(NET_TOR
, addrOnion
);
1282 SetLimited(NET_TOR
, false);
1286 // see Step 2: parameter interactions for more information about these
1287 fListen
= GetBoolArg("-listen", DEFAULT_LISTEN
);
1288 fDiscover
= GetBoolArg("-discover", true);
1289 fNameLookup
= GetBoolArg("-dns", DEFAULT_NAME_LOOKUP
);
1290 fRelayTxes
= !GetBoolArg("-blocksonly", DEFAULT_BLOCKSONLY
);
1293 bool fBound
= false;
1294 if (mapMultiArgs
.count("-bind")) {
1295 BOOST_FOREACH(const std::string
& strBind
, mapMultiArgs
.at("-bind")) {
1297 if (!Lookup(strBind
.c_str(), addrBind
, GetListenPort(), false))
1298 return InitError(ResolveErrMsg("bind", strBind
));
1299 fBound
|= Bind(connman
, addrBind
, (BF_EXPLICIT
| BF_REPORT_ERROR
));
1302 if (mapMultiArgs
.count("-whitebind")) {
1303 BOOST_FOREACH(const std::string
& strBind
, mapMultiArgs
.at("-whitebind")) {
1305 if (!Lookup(strBind
.c_str(), addrBind
, 0, false))
1306 return InitError(ResolveErrMsg("whitebind", strBind
));
1307 if (addrBind
.GetPort() == 0)
1308 return InitError(strprintf(_("Need to specify a port with -whitebind: '%s'"), strBind
));
1309 fBound
|= Bind(connman
, addrBind
, (BF_EXPLICIT
| BF_REPORT_ERROR
| BF_WHITELIST
));
1312 if (!mapMultiArgs
.count("-bind") && !mapMultiArgs
.count("-whitebind")) {
1313 struct in_addr inaddr_any
;
1314 inaddr_any
.s_addr
= INADDR_ANY
;
1315 fBound
|= Bind(connman
, CService(in6addr_any
, GetListenPort()), BF_NONE
);
1316 fBound
|= Bind(connman
, CService(inaddr_any
, GetListenPort()), !fBound
? BF_REPORT_ERROR
: BF_NONE
);
1319 return InitError(_("Failed to listen on any port. Use -listen=0 if you want this."));
1322 if (mapMultiArgs
.count("-externalip")) {
1323 BOOST_FOREACH(const std::string
& strAddr
, mapMultiArgs
.at("-externalip")) {
1325 if (Lookup(strAddr
.c_str(), addrLocal
, GetListenPort(), fNameLookup
) && addrLocal
.IsValid())
1326 AddLocal(addrLocal
, LOCAL_MANUAL
);
1328 return InitError(ResolveErrMsg("externalip", strAddr
));
1332 if (mapMultiArgs
.count("-seednode")) {
1333 BOOST_FOREACH(const std::string
& strDest
, mapMultiArgs
.at("-seednode"))
1334 connman
.AddOneShot(strDest
);
1338 pzmqNotificationInterface
= CZMQNotificationInterface::Create();
1340 if (pzmqNotificationInterface
) {
1341 RegisterValidationInterface(pzmqNotificationInterface
);
1344 uint64_t nMaxOutboundLimit
= 0; //unlimited unless -maxuploadtarget is set
1345 uint64_t nMaxOutboundTimeframe
= MAX_UPLOAD_TIMEFRAME
;
1347 if (IsArgSet("-maxuploadtarget")) {
1348 nMaxOutboundLimit
= GetArg("-maxuploadtarget", DEFAULT_MAX_UPLOAD_TARGET
)*1024*1024;
1351 // ********************************************************* Step 7: load block chain
1353 fReindex
= GetBoolArg("-reindex", false);
1354 bool fReindexChainState
= GetBoolArg("-reindex-chainstate", false);
1356 // Upgrading to 0.8; hard-link the old blknnnn.dat files into /blocks/
1357 boost::filesystem::path blocksDir
= GetDataDir() / "blocks";
1358 if (!boost::filesystem::exists(blocksDir
))
1360 boost::filesystem::create_directories(blocksDir
);
1361 bool linked
= false;
1362 for (unsigned int i
= 1; i
< 10000; i
++) {
1363 boost::filesystem::path source
= GetDataDir() / strprintf("blk%04u.dat", i
);
1364 if (!boost::filesystem::exists(source
)) break;
1365 boost::filesystem::path dest
= blocksDir
/ strprintf("blk%05u.dat", i
-1);
1367 boost::filesystem::create_hard_link(source
, dest
);
1368 LogPrintf("Hardlinked %s -> %s\n", source
.string(), dest
.string());
1370 } catch (const boost::filesystem::filesystem_error
& e
) {
1371 // Note: hardlink creation failing is not a disaster, it just means
1372 // blocks will get re-downloaded from peers.
1373 LogPrintf("Error hardlinking blk%04u.dat: %s\n", i
, e
.what());
1383 // cache size calculations
1384 int64_t nTotalCache
= (GetArg("-dbcache", nDefaultDbCache
) << 20);
1385 nTotalCache
= std::max(nTotalCache
, nMinDbCache
<< 20); // total cache cannot be less than nMinDbCache
1386 nTotalCache
= std::min(nTotalCache
, nMaxDbCache
<< 20); // total cache cannot be greater than nMaxDbcache
1387 int64_t nBlockTreeDBCache
= nTotalCache
/ 8;
1388 nBlockTreeDBCache
= std::min(nBlockTreeDBCache
, (GetBoolArg("-txindex", DEFAULT_TXINDEX
) ? nMaxBlockDBAndTxIndexCache
: nMaxBlockDBCache
) << 20);
1389 nTotalCache
-= nBlockTreeDBCache
;
1390 int64_t nCoinDBCache
= std::min(nTotalCache
/ 2, (nTotalCache
/ 4) + (1 << 23)); // use 25%-50% of the remainder for disk cache
1391 nCoinDBCache
= std::min(nCoinDBCache
, nMaxCoinsDBCache
<< 20); // cap total coins db cache
1392 nTotalCache
-= nCoinDBCache
;
1393 nCoinCacheUsage
= nTotalCache
; // the rest goes to in-memory cache
1394 int64_t nMempoolSizeMax
= GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE
) * 1000000;
1395 LogPrintf("Cache configuration:\n");
1396 LogPrintf("* Using %.1fMiB for block index database\n", nBlockTreeDBCache
* (1.0 / 1024 / 1024));
1397 LogPrintf("* Using %.1fMiB for chain state database\n", nCoinDBCache
* (1.0 / 1024 / 1024));
1398 LogPrintf("* Using %.1fMiB for in-memory UTXO set (plus up to %.1fMiB of unused mempool space)\n", nCoinCacheUsage
* (1.0 / 1024 / 1024), nMempoolSizeMax
* (1.0 / 1024 / 1024));
1400 bool fLoaded
= false;
1402 bool fReset
= fReindex
;
1403 std::string strLoadError
;
1405 uiInterface
.InitMessage(_("Loading block index..."));
1407 nStart
= GetTimeMillis();
1412 delete pcoinsdbview
;
1413 delete pcoinscatcher
;
1416 pblocktree
= new CBlockTreeDB(nBlockTreeDBCache
, false, fReindex
);
1417 pcoinsdbview
= new CCoinsViewDB(nCoinDBCache
, false, fReindex
|| fReindexChainState
);
1418 pcoinscatcher
= new CCoinsViewErrorCatcher(pcoinsdbview
);
1419 pcoinsTip
= new CCoinsViewCache(pcoinscatcher
);
1422 pblocktree
->WriteReindexing(true);
1423 //If we're reindexing in prune mode, wipe away unusable block files and all undo data files
1425 CleanupBlockRevFiles();
1428 if (!LoadBlockIndex(chainparams
)) {
1429 strLoadError
= _("Error loading block database");
1433 // If the loaded chain has a wrong genesis, bail out immediately
1434 // (we're likely using a testnet datadir, or the other way around).
1435 if (!mapBlockIndex
.empty() && mapBlockIndex
.count(chainparams
.GetConsensus().hashGenesisBlock
) == 0)
1436 return InitError(_("Incorrect or no genesis block found. Wrong datadir for network?"));
1438 // Initialize the block index (no-op if non-empty database was already loaded)
1439 if (!InitBlockIndex(chainparams
)) {
1440 strLoadError
= _("Error initializing block database");
1444 // Check for changed -txindex state
1445 if (fTxIndex
!= GetBoolArg("-txindex", DEFAULT_TXINDEX
)) {
1446 strLoadError
= _("You need to rebuild the database using -reindex-chainstate to change -txindex");
1450 // Check for changed -prune state. What we are concerned about is a user who has pruned blocks
1451 // in the past, but is now trying to run unpruned.
1452 if (fHavePruned
&& !fPruneMode
) {
1453 strLoadError
= _("You need to rebuild the database using -reindex to go back to unpruned mode. This will redownload the entire blockchain");
1457 if (!fReindex
&& chainActive
.Tip() != NULL
) {
1458 uiInterface
.InitMessage(_("Rewinding blocks..."));
1459 if (!RewindBlockIndex(chainparams
)) {
1460 strLoadError
= _("Unable to rewind the database to a pre-fork state. You will need to redownload the blockchain");
1465 uiInterface
.InitMessage(_("Verifying blocks..."));
1466 if (fHavePruned
&& GetArg("-checkblocks", DEFAULT_CHECKBLOCKS
) > MIN_BLOCKS_TO_KEEP
) {
1467 LogPrintf("Prune: pruned datadir may not have more than %d blocks; only checking available blocks",
1468 MIN_BLOCKS_TO_KEEP
);
1473 CBlockIndex
* tip
= chainActive
.Tip();
1474 RPCNotifyBlockChange(true, tip
);
1475 if (tip
&& tip
->nTime
> GetAdjustedTime() + 2 * 60 * 60) {
1476 strLoadError
= _("The block database contains a block which appears to be from the future. "
1477 "This may be due to your computer's date and time being set incorrectly. "
1478 "Only rebuild the block database if you are sure that your computer's date and time are correct");
1483 if (!CVerifyDB().VerifyDB(chainparams
, pcoinsdbview
, GetArg("-checklevel", DEFAULT_CHECKLEVEL
),
1484 GetArg("-checkblocks", DEFAULT_CHECKBLOCKS
))) {
1485 strLoadError
= _("Corrupted block database detected");
1488 } catch (const std::exception
& e
) {
1489 if (fDebug
) LogPrintf("%s\n", e
.what());
1490 strLoadError
= _("Error opening block database");
1498 // first suggest a reindex
1500 bool fRet
= uiInterface
.ThreadSafeQuestion(
1501 strLoadError
+ ".\n\n" + _("Do you want to rebuild the block database now?"),
1502 strLoadError
+ ".\nPlease restart with -reindex or -reindex-chainstate to recover.",
1503 "", CClientUIInterface::MSG_ERROR
| CClientUIInterface::BTN_ABORT
);
1506 fRequestShutdown
= false;
1508 LogPrintf("Aborted block database rebuild. Exiting.\n");
1512 return InitError(strLoadError
);
1517 // As LoadBlockIndex can take several minutes, it's possible the user
1518 // requested to kill the GUI during the last operation. If so, exit.
1519 // As the program has not fully started yet, Shutdown() is possibly overkill.
1520 if (fRequestShutdown
)
1522 LogPrintf("Shutdown requested. Exiting.\n");
1525 LogPrintf(" block index %15dms\n", GetTimeMillis() - nStart
);
1527 boost::filesystem::path est_path
= GetDataDir() / FEE_ESTIMATES_FILENAME
;
1528 CAutoFile
est_filein(fopen(est_path
.string().c_str(), "rb"), SER_DISK
, CLIENT_VERSION
);
1529 // Allowed to fail as this file IS missing on first startup.
1530 if (!est_filein
.IsNull())
1531 mempool
.ReadFeeEstimates(est_filein
);
1532 fFeeEstimatesInitialized
= true;
1534 // ********************************************************* Step 8: load wallet
1535 #ifdef ENABLE_WALLET
1536 if (!CWallet::InitLoadWallet())
1539 LogPrintf("No wallet support compiled in!\n");
1542 // ********************************************************* Step 9: data directory maintenance
1544 // if pruning, unset the service bit and perform the initial blockstore prune
1545 // after any wallet rescanning has taken place.
1547 LogPrintf("Unsetting NODE_NETWORK on prune mode\n");
1548 nLocalServices
= ServiceFlags(nLocalServices
& ~NODE_NETWORK
);
1550 uiInterface
.InitMessage(_("Pruning blockstore..."));
1555 if (chainparams
.GetConsensus().vDeployments
[Consensus::DEPLOYMENT_SEGWIT
].nTimeout
!= 0) {
1556 // Only advertise witness capabilities if they have a reasonable start time.
1557 // This allows us to have the code merged without a defined softfork, by setting its
1559 // Note that setting NODE_WITNESS is never required: the only downside from not
1560 // doing so is that after activation, no upgraded nodes will fetch from you.
1561 nLocalServices
= ServiceFlags(nLocalServices
| NODE_WITNESS
);
1562 // Only care about others providing witness capabilities if there is a softfork
1564 nRelevantServices
= ServiceFlags(nRelevantServices
| NODE_WITNESS
);
1567 // ********************************************************* Step 10: import blocks
1569 if (!CheckDiskSpace())
1572 // Either install a handler to notify us when genesis activates, or set fHaveGenesis directly.
1573 // No locking, as this happens before any background thread is started.
1574 if (chainActive
.Tip() == NULL
) {
1575 uiInterface
.NotifyBlockTip
.connect(BlockNotifyGenesisWait
);
1577 fHaveGenesis
= true;
1580 if (IsArgSet("-blocknotify"))
1581 uiInterface
.NotifyBlockTip
.connect(BlockNotifyCallback
);
1583 std::vector
<boost::filesystem::path
> vImportFiles
;
1584 if (mapMultiArgs
.count("-loadblock"))
1586 BOOST_FOREACH(const std::string
& strFile
, mapMultiArgs
.at("-loadblock"))
1587 vImportFiles
.push_back(strFile
);
1590 threadGroup
.create_thread(boost::bind(&ThreadImport
, vImportFiles
));
1592 // Wait for genesis block to be processed
1594 boost::unique_lock
<boost::mutex
> lock(cs_GenesisWait
);
1595 while (!fHaveGenesis
) {
1596 condvar_GenesisWait
.wait(lock
);
1598 uiInterface
.NotifyBlockTip
.disconnect(BlockNotifyGenesisWait
);
1601 // ********************************************************* Step 11: start node
1604 LogPrintf("mapBlockIndex.size() = %u\n", mapBlockIndex
.size());
1605 LogPrintf("nBestHeight = %d\n", chainActive
.Height());
1606 if (GetBoolArg("-listenonion", DEFAULT_LISTEN_ONION
))
1607 StartTorControl(threadGroup
, scheduler
);
1609 Discover(threadGroup
);
1611 // Map ports with UPnP
1612 MapPort(GetBoolArg("-upnp", DEFAULT_UPNP
));
1614 std::string strNodeError
;
1615 CConnman::Options connOptions
;
1616 connOptions
.nLocalServices
= nLocalServices
;
1617 connOptions
.nRelevantServices
= nRelevantServices
;
1618 connOptions
.nMaxConnections
= nMaxConnections
;
1619 connOptions
.nMaxOutbound
= std::min(MAX_OUTBOUND_CONNECTIONS
, connOptions
.nMaxConnections
);
1620 connOptions
.nMaxAddnode
= MAX_ADDNODE_CONNECTIONS
;
1621 connOptions
.nMaxFeeler
= 1;
1622 connOptions
.nBestHeight
= chainActive
.Height();
1623 connOptions
.uiInterface
= &uiInterface
;
1624 connOptions
.nSendBufferMaxSize
= 1000*GetArg("-maxsendbuffer", DEFAULT_MAXSENDBUFFER
);
1625 connOptions
.nReceiveFloodSize
= 1000*GetArg("-maxreceivebuffer", DEFAULT_MAXRECEIVEBUFFER
);
1627 connOptions
.nMaxOutboundTimeframe
= nMaxOutboundTimeframe
;
1628 connOptions
.nMaxOutboundLimit
= nMaxOutboundLimit
;
1630 if (!connman
.Start(scheduler
, strNodeError
, connOptions
))
1631 return InitError(strNodeError
);
1633 // ********************************************************* Step 12: finished
1635 SetRPCWarmupFinished();
1636 uiInterface
.InitMessage(_("Done loading"));
1638 #ifdef ENABLE_WALLET
1640 pwalletMain
->postInitProcess(threadGroup
);
1643 return !fRequestShutdown
;