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"
11 #include "crypto/common.h"
17 #include "checkpoints.h"
18 #include "compat/sanity.h"
19 #include "consensus/upgrades.h"
20 #include "consensus/validation.h"
21 #include "httpserver.h"
28 #include "rpcserver.h"
29 #include "script/standard.h"
30 #include "scheduler.h"
32 #include "torcontrol.h"
33 #include "ui_interface.h"
35 #include "utilmoneystr.h"
36 #include "validationinterface.h"
38 #include "wallet/wallet.h"
39 #include "wallet/walletdb.h"
48 #include <boost/algorithm/string/classification.hpp>
49 #include <boost/algorithm/string/predicate.hpp>
50 #include <boost/algorithm/string/replace.hpp>
51 #include <boost/algorithm/string/split.hpp>
52 #include <boost/bind.hpp>
53 #include <boost/filesystem.hpp>
54 #include <boost/function.hpp>
55 #include <boost/interprocess/sync/file_lock.hpp>
56 #include <boost/thread.hpp>
57 #include <openssl/crypto.h>
59 #include <libsnark/common/profiling.hpp>
62 #include "zmq/zmqnotificationinterface.h"
66 #include "amqp/amqpnotificationinterface.h"
71 extern void ThreadSendAlert();
73 ZCJoinSplit* pzcashParams = NULL;
76 CWallet* pwalletMain = NULL;
78 bool fFeeEstimatesInitialized = false;
81 static CZMQNotificationInterface* pzmqNotificationInterface = NULL;
85 static AMQPNotificationInterface* pAMQPNotificationInterface = NULL;
89 // Win32 LevelDB doesn't use file descriptors, and the ones used for
90 // accessing block files don't count towards the fd_set size limit
92 #define MIN_CORE_FILEDESCRIPTORS 0
94 #define MIN_CORE_FILEDESCRIPTORS 150
97 /** Used to pass flags to the Bind() function */
100 BF_EXPLICIT = (1U << 0),
101 BF_REPORT_ERROR = (1U << 1),
102 BF_WHITELIST = (1U << 2),
105 static const char* FEE_ESTIMATES_FILENAME="fee_estimates.dat";
106 CClientUIInterface uiInterface; // Declared but not defined in ui_interface.h
108 //////////////////////////////////////////////////////////////////////////////
114 // Thread management and startup/shutdown:
116 // The network-processing threads are all part of a thread group
117 // created by AppInit().
119 // A clean exit happens when StartShutdown() or the SIGTERM
120 // signal handler sets fRequestShutdown, which triggers
121 // the DetectShutdownThread(), which interrupts the main thread group.
122 // DetectShutdownThread() then exits, which causes AppInit() to
123 // continue (it .joins the shutdown thread).
124 // Shutdown() is then
125 // called to clean up database connections, and stop other
126 // threads that should only be stopped after the main network-processing
127 // threads have exited.
129 // Note that if running -daemon the parent process returns from AppInit2
130 // before adding any threads to the threadGroup, so .join_all() returns
131 // immediately and the parent exits from main().
134 std::atomic<bool> fRequestShutdown(false);
138 fRequestShutdown = true;
140 bool ShutdownRequested()
142 return fRequestShutdown;
145 class CCoinsViewErrorCatcher : public CCoinsViewBacked
148 CCoinsViewErrorCatcher(CCoinsView* view) : CCoinsViewBacked(view) {}
149 bool GetCoins(const uint256 &txid, CCoins &coins) const {
151 return CCoinsViewBacked::GetCoins(txid, coins);
152 } catch(const std::runtime_error& e) {
153 uiInterface.ThreadSafeMessageBox(_("Error reading from database, shutting down."), "", CClientUIInterface::MSG_ERROR);
154 LogPrintf("Error reading from database: %s\n", e.what());
155 // Starting the shutdown sequence and returning false to the caller would be
156 // interpreted as 'entry not found' (as opposed to unable to read data), and
157 // could lead to invalid interpretation. Just exit immediately, as we can't
158 // continue anyway, and all writes should be atomic.
162 // Writes do not need similar protection, as failure to write is handled by the caller.
165 static CCoinsViewDB *pcoinsdbview = NULL;
166 static CCoinsViewErrorCatcher *pcoinscatcher = NULL;
167 static boost::scoped_ptr<ECCVerifyHandle> globalVerifyHandle;
169 void Interrupt(boost::thread_group& threadGroup)
171 InterruptHTTPServer();
175 InterruptTorControl();
176 threadGroup.interrupt_all();
181 LogPrintf("%s: In progress...\n", __func__);
182 static CCriticalSection cs_Shutdown;
183 TRY_LOCK(cs_Shutdown, lockShutdown);
187 /// Note: Shutdown() must be able to handle cases in which AppInit2() failed part of the way,
188 /// for example if the data directory was found to be locked.
189 /// Be sure that anything that writes files or flushes caches only does this if the respective
190 /// module was initialized.
191 RenameThread("zcash-shutoff");
192 mempool.AddTransactionsUpdated(1);
200 pwalletMain->Flush(false);
204 GenerateBitcoins(false, NULL, 0);
206 GenerateBitcoins(false, 0);
211 UnregisterNodeSignals(GetNodeSignals());
213 if (fFeeEstimatesInitialized)
215 boost::filesystem::path est_path = GetDataDir() / FEE_ESTIMATES_FILENAME;
216 CAutoFile est_fileout(fopen(est_path.string().c_str(), "wb"), SER_DISK, CLIENT_VERSION);
217 if (!est_fileout.IsNull())
218 mempool.WriteFeeEstimates(est_fileout);
220 LogPrintf("%s: Failed to write fee estimates to %s\n", __func__, est_path.string());
221 fFeeEstimatesInitialized = false;
226 if (pcoinsTip != NULL) {
231 delete pcoinscatcher;
232 pcoinscatcher = NULL;
240 pwalletMain->Flush(true);
244 if (pzmqNotificationInterface) {
245 UnregisterValidationInterface(pzmqNotificationInterface);
246 delete pzmqNotificationInterface;
247 pzmqNotificationInterface = NULL;
252 if (pAMQPNotificationInterface) {
253 UnregisterValidationInterface(pAMQPNotificationInterface);
254 delete pAMQPNotificationInterface;
255 pAMQPNotificationInterface = NULL;
261 boost::filesystem::remove(GetPidFile());
262 } catch (const boost::filesystem::filesystem_error& e) {
263 LogPrintf("%s: Unable to remove pidfile: %s\n", __func__, e.what());
266 UnregisterAllValidationInterfaces();
273 globalVerifyHandle.reset();
275 LogPrintf("%s: done\n", __func__);
279 * Signal handlers are very limited in what they are allowed to do, so:
281 void HandleSIGTERM(int)
283 fRequestShutdown = true;
286 void HandleSIGHUP(int)
288 fReopenDebugLog = true;
291 bool static InitError(const std::string &str)
293 uiInterface.ThreadSafeMessageBox(str, "", CClientUIInterface::MSG_ERROR);
297 bool static InitWarning(const std::string &str)
299 uiInterface.ThreadSafeMessageBox(str, "", CClientUIInterface::MSG_WARNING);
303 bool static Bind(const CService &addr, unsigned int flags) {
304 if (!(flags & BF_EXPLICIT) && IsLimited(addr))
306 std::string strError;
307 if (!BindListenPort(addr, strError, (flags & BF_WHITELIST) != 0)) {
308 if (flags & BF_REPORT_ERROR)
309 return InitError(strError);
317 cvBlockChange.notify_all();
318 LogPrint("rpc", "RPC stopped.\n");
321 void OnRPCPreCommand(const CRPCCommand& cmd)
324 string strWarning = GetWarnings("rpc");
325 if (strWarning != "" && !GetBoolArg("-disablesafemode", false) &&
327 throw JSONRPCError(RPC_FORBIDDEN_BY_SAFE_MODE, string("Safe mode: ") + strWarning);
330 std::string HelpMessage(HelpMessageMode mode)
332 const bool showDebug = GetBoolArg("-help-debug", false);
334 // When adding new options to the categories, please keep and ensure alphabetical ordering.
335 // Do not translate _(...) -help-debug options, many technical terms, and only a very small audience, so is unnecessary stress to translators
337 string strUsage = HelpMessageGroup(_("Options:"));
338 strUsage += HelpMessageOpt("-?", _("This help message"));
339 strUsage += HelpMessageOpt("-alerts", strprintf(_("Receive and display P2P network alerts (default: %u)"), DEFAULT_ALERTS));
340 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)"));
341 strUsage += HelpMessageOpt("-blocknotify=<cmd>", _("Execute command when the best block changes (%s in cmd is replaced by block hash)"));
342 strUsage += HelpMessageOpt("-checkblocks=<n>", strprintf(_("How many blocks to check at startup (default: %u, 0 = all)"), 288));
343 strUsage += HelpMessageOpt("-checklevel=<n>", strprintf(_("How thorough the block verification of -checkblocks is (0-4, default: %u)"), 3));
344 strUsage += HelpMessageOpt("-conf=<file>", strprintf(_("Specify configuration file (default: %s)"), "zcash.conf"));
345 if (mode == HMM_BITCOIND)
348 strUsage += HelpMessageOpt("-daemon", _("Run in the background as a daemon and accept commands"));
351 strUsage += HelpMessageOpt("-datadir=<dir>", _("Specify data directory"));
352 strUsage += HelpMessageOpt("-disabledeprecation=<version>", strprintf(_("Disable block-height node deprecation and automatic shutdown (example: -disabledeprecation=%s)"),
353 FormatVersion(CLIENT_VERSION)));
354 strUsage += HelpMessageOpt("-exportdir=<dir>", _("Specify directory to be used when exporting data"));
355 strUsage += HelpMessageOpt("-dbcache=<n>", strprintf(_("Set database cache size in megabytes (%d to %d, default: %d)"), nMinDbCache, nMaxDbCache, nDefaultDbCache));
356 strUsage += HelpMessageOpt("-loadblock=<file>", _("Imports blocks from external blk000??.dat file") + " " + _("on startup"));
357 strUsage += HelpMessageOpt("-maxorphantx=<n>", strprintf(_("Keep at most <n> unconnectable transactions in memory (default: %u)"), DEFAULT_MAX_ORPHAN_TRANSACTIONS));
358 strUsage += HelpMessageOpt("-mempooltxinputlimit=<n>", _("[DEPRECATED FROM OVERWINTER] Set the maximum number of transparent inputs in a transaction that the mempool will accept (default: 0 = no limit applied)"));
359 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)"),
360 -GetNumCores(), MAX_SCRIPTCHECK_THREADS, DEFAULT_SCRIPTCHECK_THREADS));
362 strUsage += HelpMessageOpt("-pid=<file>", strprintf(_("Specify pid file (default: %s)"), "zcashd.pid"));
364 strUsage += HelpMessageOpt("-prune=<n>", strprintf(_("Reduce storage requirements by pruning (deleting) old blocks. This mode disables wallet support and is incompatible with -txindex. "
365 "Warning: Reverting this setting requires re-downloading the entire blockchain. "
366 "(default: 0 = disable pruning blocks, >%u = target size in MiB to use for block files)"), MIN_DISK_SPACE_FOR_BLOCK_FILES / 1024 / 1024));
367 strUsage += HelpMessageOpt("-reindex", _("Rebuild block chain index from current blk000??.dat files on startup"));
369 strUsage += HelpMessageOpt("-sysperms", _("Create new files with system default permissions, instead of umask 077 (only effective with disabled wallet functionality)"));
371 strUsage += HelpMessageOpt("-txindex", strprintf(_("Maintain a full transaction index, used by the getrawtransaction rpc call (default: %u)"), 0));
373 strUsage += HelpMessageGroup(_("Connection options:"));
374 strUsage += HelpMessageOpt("-addnode=<ip>", _("Add a node to connect to and attempt to keep the connection open"));
375 strUsage += HelpMessageOpt("-banscore=<n>", strprintf(_("Threshold for disconnecting misbehaving peers (default: %u)"), 100));
376 strUsage += HelpMessageOpt("-bantime=<n>", strprintf(_("Number of seconds to keep misbehaving peers from reconnecting (default: %u)"), 86400));
377 strUsage += HelpMessageOpt("-bind=<addr>", _("Bind to given address and always listen on it. Use [host]:port notation for IPv6"));
378 strUsage += HelpMessageOpt("-connect=<ip>", _("Connect only to the specified node(s)"));
379 strUsage += HelpMessageOpt("-discover", _("Discover own IP addresses (default: 1 when listening and no -externalip or -proxy)"));
380 strUsage += HelpMessageOpt("-dns", _("Allow DNS lookups for -addnode, -seednode and -connect") + " " + _("(default: 1)"));
381 strUsage += HelpMessageOpt("-dnsseed", _("Query for peer addresses via DNS lookup, if low on addresses (default: 1 unless -connect)"));
382 strUsage += HelpMessageOpt("-externalip=<ip>", _("Specify your own public address"));
383 strUsage += HelpMessageOpt("-forcednsseed", strprintf(_("Always query for peer addresses via DNS lookup (default: %u)"), 0));
384 strUsage += HelpMessageOpt("-listen", _("Accept connections from outside (default: 1 if no -proxy or -connect)"));
385 strUsage += HelpMessageOpt("-listenonion", strprintf(_("Automatically create Tor hidden service (default: %d)"), DEFAULT_LISTEN_ONION));
386 strUsage += HelpMessageOpt("-maxconnections=<n>", strprintf(_("Maintain at most <n> connections to peers (default: %u)"), DEFAULT_MAX_PEER_CONNECTIONS));
387 strUsage += HelpMessageOpt("-maxreceivebuffer=<n>", strprintf(_("Maximum per-connection receive buffer, <n>*1000 bytes (default: %u)"), 5000));
388 strUsage += HelpMessageOpt("-maxsendbuffer=<n>", strprintf(_("Maximum per-connection send buffer, <n>*1000 bytes (default: %u)"), 1000));
389 strUsage += HelpMessageOpt("-onion=<ip:port>", strprintf(_("Use separate SOCKS5 proxy to reach peers via Tor hidden services (default: %s)"), "-proxy"));
390 strUsage += HelpMessageOpt("-onlynet=<net>", _("Only connect to nodes in network <net> (ipv4, ipv6 or onion)"));
391 strUsage += HelpMessageOpt("-permitbaremultisig", strprintf(_("Relay non-P2SH multisig (default: %u)"), 1));
392 strUsage += HelpMessageOpt("-port=<port>", strprintf(_("Listen for connections on <port> (default: %u or testnet: %u)"), 8233, 18233));
393 strUsage += HelpMessageOpt("-proxy=<ip:port>", _("Connect through SOCKS5 proxy"));
394 strUsage += HelpMessageOpt("-proxyrandomize", strprintf(_("Randomize credentials for every proxy connection. This enables Tor stream isolation (default: %u)"), 1));
395 strUsage += HelpMessageOpt("-seednode=<ip>", _("Connect to a node to retrieve peer addresses, and disconnect"));
396 strUsage += HelpMessageOpt("-timeout=<n>", strprintf(_("Specify connection timeout in milliseconds (minimum: 1, default: %d)"), DEFAULT_CONNECT_TIMEOUT));
397 strUsage += HelpMessageOpt("-torcontrol=<ip>:<port>", strprintf(_("Tor control port to use if onion listening enabled (default: %s)"), DEFAULT_TOR_CONTROL));
398 strUsage += HelpMessageOpt("-torpassword=<pass>", _("Tor control port password (default: empty)"));
399 strUsage += HelpMessageOpt("-whitebind=<addr>", _("Bind to given address and whitelist peers connecting to it. Use [host]:port notation for IPv6"));
400 strUsage += HelpMessageOpt("-whitelist=<netmask>", _("Whitelist peers connecting from the given netmask or IP address. Can be specified multiple times.") +
401 " " + _("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"));
404 strUsage += HelpMessageGroup(_("Wallet options:"));
405 strUsage += HelpMessageOpt("-disablewallet", _("Do not load the wallet and disable wallet RPC calls"));
406 strUsage += HelpMessageOpt("-keypool=<n>", strprintf(_("Set key pool size to <n> (default: %u)"), 100));
408 strUsage += HelpMessageOpt("-mintxfee=<amt>", strprintf("Fees (in %s/kB) smaller than this are considered zero fee for transaction creation (default: %s)",
409 CURRENCY_UNIT, FormatMoney(CWallet::minTxFee.GetFeePerK())));
410 strUsage += HelpMessageOpt("-paytxfee=<amt>", strprintf(_("Fee (in %s/kB) to add to transactions you send (default: %s)"),
411 CURRENCY_UNIT, FormatMoney(payTxFee.GetFeePerK())));
412 strUsage += HelpMessageOpt("-rescan", _("Rescan the block chain for missing wallet transactions") + " " + _("on startup"));
413 strUsage += HelpMessageOpt("-salvagewallet", _("Attempt to recover private keys from a corrupt wallet.dat") + " " + _("on startup"));
414 strUsage += HelpMessageOpt("-sendfreetransactions", strprintf(_("Send transactions as zero-fee transactions if possible (default: %u)"), 0));
415 strUsage += HelpMessageOpt("-spendzeroconfchange", strprintf(_("Spend unconfirmed change when sending transactions (default: %u)"), 1));
416 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));
417 strUsage += HelpMessageOpt("-txexpirydelta", strprintf(_("Set the number of blocks after which a transaction that has not been mined will become invalid (default: %u)"), DEFAULT_TX_EXPIRY_DELTA));
418 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)"),
419 CURRENCY_UNIT, FormatMoney(maxTxFee)));
420 strUsage += HelpMessageOpt("-upgradewallet", _("Upgrade wallet to latest format") + " " + _("on startup"));
421 strUsage += HelpMessageOpt("-wallet=<file>", _("Specify wallet file (within data directory)") + " " + strprintf(_("(default: %s)"), "wallet.dat"));
422 strUsage += HelpMessageOpt("-walletbroadcast", _("Make the wallet broadcast transactions") + " " + strprintf(_("(default: %u)"), true));
423 strUsage += HelpMessageOpt("-walletnotify=<cmd>", _("Execute command when a wallet transaction changes (%s in cmd is replaced by TxID)"));
424 strUsage += HelpMessageOpt("-zapwallettxes=<mode>", _("Delete all wallet transactions and only recover those parts of the blockchain through -rescan on startup") +
425 " " + _("(1 = keep tx meta data e.g. account owner and payment request information, 2 = drop tx meta data)"));
429 strUsage += HelpMessageGroup(_("ZeroMQ notification options:"));
430 strUsage += HelpMessageOpt("-zmqpubhashblock=<address>", _("Enable publish hash block in <address>"));
431 strUsage += HelpMessageOpt("-zmqpubhashtx=<address>", _("Enable publish hash transaction in <address>"));
432 strUsage += HelpMessageOpt("-zmqpubrawblock=<address>", _("Enable publish raw block in <address>"));
433 strUsage += HelpMessageOpt("-zmqpubrawtx=<address>", _("Enable publish raw transaction in <address>"));
437 strUsage += HelpMessageGroup(_("AMQP 1.0 notification options:"));
438 strUsage += HelpMessageOpt("-amqppubhashblock=<address>", _("Enable publish hash block in <address>"));
439 strUsage += HelpMessageOpt("-amqppubhashtx=<address>", _("Enable publish hash transaction in <address>"));
440 strUsage += HelpMessageOpt("-amqppubrawblock=<address>", _("Enable publish raw block in <address>"));
441 strUsage += HelpMessageOpt("-amqppubrawtx=<address>", _("Enable publish raw transaction in <address>"));
444 strUsage += HelpMessageGroup(_("Debugging/Testing options:"));
447 strUsage += HelpMessageOpt("-checkpoints", strprintf("Disable expensive verification for known chain history (default: %u)", 1));
448 strUsage += HelpMessageOpt("-dblogsize=<n>", strprintf("Flush database activity from memory pool to disk log every <n> megabytes (default: %u)", 100));
449 strUsage += HelpMessageOpt("-disablesafemode", strprintf("Disable safemode, override a real safe mode event (default: %u)", 0));
450 strUsage += HelpMessageOpt("-testsafemode", strprintf("Force safe mode (default: %u)", 0));
451 strUsage += HelpMessageOpt("-dropmessagestest=<n>", "Randomly drop 1 of every <n> network messages");
452 strUsage += HelpMessageOpt("-fuzzmessagestest=<n>", "Randomly fuzz 1 of every <n> network messages");
453 strUsage += HelpMessageOpt("-flushwallet", strprintf("Run a thread to flush wallet periodically (default: %u)", 1));
454 strUsage += HelpMessageOpt("-stopafterblockimport", strprintf("Stop running after importing blocks from disk (default: %u)", 0));
455 strUsage += HelpMessageOpt("-nuparams=hexBranchId:activationHeight", "Use given activation height for specified network upgrade (regtest-only)");
457 string debugCategories = "addrman, alert, bench, coindb, db, estimatefee, http, libevent, lock, mempool, net, partitioncheck, pow, proxy, prune, "
458 "rand, reindex, rpc, selectcoins, tor, zmq, zrpc, zrpcunsafe (implies zrpc)"; // Don't translate these
459 strUsage += HelpMessageOpt("-debug=<category>", strprintf(_("Output debugging information (default: %u, supplying <category> is optional)"), 0) + ". " +
460 _("If <category> is not supplied or if <category> = 1, output all debugging information.") + " " + _("<category> can be:") + " " + debugCategories + ".");
461 strUsage += HelpMessageOpt("-experimentalfeatures", _("Enable use of experimental features"));
462 strUsage += HelpMessageOpt("-help-debug", _("Show all debugging options (usage: --help -help-debug)"));
463 strUsage += HelpMessageOpt("-logips", strprintf(_("Include IP addresses in debug output (default: %u)"), 0));
464 strUsage += HelpMessageOpt("-logtimestamps", strprintf(_("Prepend debug output with timestamp (default: %u)"), 1));
467 strUsage += HelpMessageOpt("-limitfreerelay=<n>", strprintf("Continuously rate-limit free transactions to <n>*1000 bytes per minute (default: %u)", 15));
468 strUsage += HelpMessageOpt("-relaypriority", strprintf("Require high priority for relaying free or low-fee transactions (default: %u)", 0));
469 strUsage += HelpMessageOpt("-maxsigcachesize=<n>", strprintf("Limit size of signature cache to <n> entries (default: %u)", 50000));
471 strUsage += HelpMessageOpt("-minrelaytxfee=<amt>", strprintf(_("Fees (in %s/kB) smaller than this are considered zero fee for relaying (default: %s)"),
472 CURRENCY_UNIT, FormatMoney(::minRelayTxFee.GetFeePerK())));
473 strUsage += HelpMessageOpt("-printtoconsole", _("Send trace/debug info to console instead of debug.log file"));
476 strUsage += HelpMessageOpt("-printpriority", strprintf("Log transaction priority and fee per kB when mining blocks (default: %u)", 0));
477 strUsage += HelpMessageOpt("-privdb", strprintf("Sets the DB_PRIVATE flag in the wallet db environment (default: %u)", 1));
478 strUsage += HelpMessageOpt("-regtest", "Enter regression test mode, which uses a special chain in which blocks can be solved instantly. "
479 "This is intended for regression testing tools and app development.");
481 strUsage += HelpMessageOpt("-shrinkdebugfile", _("Shrink debug.log file on client startup (default: 1 when no -debug)"));
482 strUsage += HelpMessageOpt("-testnet", _("Use the test network"));
484 strUsage += HelpMessageGroup(_("Node relay options:"));
485 strUsage += HelpMessageOpt("-datacarrier", strprintf(_("Relay and mine data carrier transactions (default: %u)"), 1));
486 strUsage += HelpMessageOpt("-datacarriersize", strprintf(_("Maximum size of data in data carrier transactions we relay and mine (default: %u)"), MAX_OP_RETURN_RELAY));
488 strUsage += HelpMessageGroup(_("Block creation options:"));
489 strUsage += HelpMessageOpt("-blockminsize=<n>", strprintf(_("Set minimum block size in bytes (default: %u)"), 0));
490 strUsage += HelpMessageOpt("-blockmaxsize=<n>", strprintf(_("Set maximum block size in bytes (default: %d)"), DEFAULT_BLOCK_MAX_SIZE));
491 strUsage += HelpMessageOpt("-blockprioritysize=<n>", strprintf(_("Set maximum size of high-priority/low-fee transactions in bytes (default: %d)"), DEFAULT_BLOCK_PRIORITY_SIZE));
492 if (GetBoolArg("-help-debug", false))
493 strUsage += HelpMessageOpt("-blockversion=<n>", strprintf("Override block version to test forking scenarios (default: %d)", (int)CBlock::CURRENT_VERSION));
496 strUsage += HelpMessageGroup(_("Mining options:"));
497 strUsage += HelpMessageOpt("-gen", strprintf(_("Generate coins (default: %u)"), 0));
498 strUsage += HelpMessageOpt("-genproclimit=<n>", strprintf(_("Set the number of threads for coin generation if enabled (-1 = all cores, default: %d)"), 1));
499 strUsage += HelpMessageOpt("-equihashsolver=<name>", _("Specify the Equihash solver to be used if enabled (default: \"default\")"));
500 strUsage += HelpMessageOpt("-mineraddress=<addr>", _("Send mined coins to a specific single address"));
501 strUsage += HelpMessageOpt("-minetolocalwallet", strprintf(
502 _("Require that mined blocks use a coinbase address in the local wallet (default: %u)"),
511 strUsage += HelpMessageGroup(_("RPC server options:"));
512 strUsage += HelpMessageOpt("-server", _("Accept command line and JSON-RPC commands"));
513 strUsage += HelpMessageOpt("-rest", strprintf(_("Accept public REST requests (default: %u)"), 0));
514 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)"));
515 strUsage += HelpMessageOpt("-rpcuser=<user>", _("Username for JSON-RPC connections"));
516 strUsage += HelpMessageOpt("-rpcpassword=<pw>", _("Password for JSON-RPC connections"));
517 strUsage += HelpMessageOpt("-rpcport=<port>", strprintf(_("Listen for JSON-RPC connections on <port> (default: %u or testnet: %u)"), 8232, 18232));
518 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"));
519 strUsage += HelpMessageOpt("-rpcthreads=<n>", strprintf(_("Set the number of threads to service RPC calls (default: %d)"), DEFAULT_HTTP_THREADS));
521 strUsage += HelpMessageOpt("-rpcworkqueue=<n>", strprintf("Set the depth of the work queue to service RPC calls (default: %d)", DEFAULT_HTTP_WORKQUEUE));
522 strUsage += HelpMessageOpt("-rpcservertimeout=<n>", strprintf("Timeout during HTTP requests (default: %d)", DEFAULT_HTTP_SERVER_TIMEOUT));
525 // Disabled until we can lock notes and also tune performance of libsnark which by default uses multiple threads
526 //strUsage += HelpMessageOpt("-rpcasyncthreads=<n>", strprintf(_("Set the number of threads to service Async RPC calls (default: %d)"), 1));
528 if (mode == HMM_BITCOIND) {
529 strUsage += HelpMessageGroup(_("Metrics Options (only if -daemon and -printtoconsole are not set):"));
530 strUsage += HelpMessageOpt("-showmetrics", _("Show metrics on stdout (default: 1 if running in a console, 0 otherwise)"));
531 strUsage += HelpMessageOpt("-metricsui", _("Set to 1 for a persistent metrics screen, 0 for sequential metrics output (default: 1 if running in a console, 0 otherwise)"));
532 strUsage += HelpMessageOpt("-metricsrefreshtime", strprintf(_("Number of seconds between metrics refreshes (default: %u if running in a console, %u otherwise)"), 1, 600));
538 static void BlockNotifyCallback(const uint256& hashNewTip)
540 std::string strCmd = GetArg("-blocknotify", "");
542 boost::replace_all(strCmd, "%s", hashNewTip.GetHex());
543 boost::thread t(runCommand, strCmd); // thread runs free
549 assert(fImporting == false);
554 assert(fImporting == true);
560 // If we're using -prune with -reindex, then delete block files that will be ignored by the
561 // reindex. Since reindexing works by starting at block file 0 and looping until a blockfile
562 // is missing, do the same here to delete any later block files after a gap. Also delete all
563 // rev files since they'll be rewritten by the reindex anyway. This ensures that vinfoBlockFile
564 // is in sync with what's actually on disk by the time we start downloading, so that pruning
566 void CleanupBlockRevFiles()
568 using namespace boost::filesystem;
569 map<string, path> mapBlockFiles;
571 // Glob all blk?????.dat and rev?????.dat files from the blocks directory.
572 // Remove the rev files immediately and insert the blk file paths into an
573 // ordered map keyed by block file index.
574 LogPrintf("Removing unusable blk?????.dat and rev?????.dat files for -reindex with -prune\n");
575 path blocksdir = GetDataDir() / "blocks";
576 for (directory_iterator it(blocksdir); it != directory_iterator(); it++) {
577 if (is_regular_file(*it) &&
578 it->path().filename().string().length() == 12 &&
579 it->path().filename().string().substr(8,4) == ".dat")
581 if (it->path().filename().string().substr(0,3) == "blk")
582 mapBlockFiles[it->path().filename().string().substr(3,5)] = it->path();
583 else if (it->path().filename().string().substr(0,3) == "rev")
588 // Remove all block files that aren't part of a contiguous set starting at
589 // zero by walking the ordered map (keys are block file indices) by
590 // keeping a separate counter. Once we hit a gap (or if 0 doesn't exist)
591 // start removing block files.
592 int nContigCounter = 0;
593 BOOST_FOREACH(const PAIRTYPE(string, path)& item, mapBlockFiles) {
594 if (atoi(item.first) == nContigCounter) {
602 void ThreadImport(std::vector<boost::filesystem::path> vImportFiles)
604 RenameThread("zcash-loadblk");
610 CDiskBlockPos pos(nFile, 0);
611 if (!boost::filesystem::exists(GetBlockPosFilename(pos, "blk")))
612 break; // No block files left to reindex
613 FILE *file = OpenBlockFile(pos, true);
615 break; // This error is logged in OpenBlockFile
616 LogPrintf("Reindexing block file blk%05u.dat...\n", (unsigned int)nFile);
617 LoadExternalBlockFile(file, &pos);
620 pblocktree->WriteReindexing(false);
622 LogPrintf("Reindexing finished\n");
623 // To avoid ending up in a situation without genesis block, re-try initializing (no-op if reindexing worked):
627 // hardcoded $DATADIR/bootstrap.dat
628 boost::filesystem::path pathBootstrap = GetDataDir() / "bootstrap.dat";
629 if (boost::filesystem::exists(pathBootstrap)) {
630 FILE *file = fopen(pathBootstrap.string().c_str(), "rb");
633 boost::filesystem::path pathBootstrapOld = GetDataDir() / "bootstrap.dat.old";
634 LogPrintf("Importing bootstrap.dat...\n");
635 LoadExternalBlockFile(file);
636 RenameOver(pathBootstrap, pathBootstrapOld);
638 LogPrintf("Warning: Could not open bootstrap file %s\n", pathBootstrap.string());
643 BOOST_FOREACH(const boost::filesystem::path& path, vImportFiles) {
644 FILE *file = fopen(path.string().c_str(), "rb");
647 LogPrintf("Importing blocks file %s...\n", path.string());
648 LoadExternalBlockFile(file);
650 LogPrintf("Warning: Could not open blocks file %s\n", path.string());
654 if (GetBoolArg("-stopafterblockimport", false)) {
655 LogPrintf("Stopping after block import\n");
661 * Ensure that Bitcoin is running in a usable environment with all
662 * necessary library support.
664 bool InitSanityCheck(void)
666 if(!ECC_InitSanityCheck()) {
667 InitError("Elliptic curve cryptography sanity check failure. Aborting.");
670 if (!glibc_sanity_test() || !glibcxx_sanity_test())
677 static void ZC_LoadParams()
679 struct timeval tv_start, tv_end;
682 boost::filesystem::path pk_path = ZC_GetParamsDir() / "sprout-proving.key";
683 boost::filesystem::path vk_path = ZC_GetParamsDir() / "sprout-verifying.key";
685 if (!(boost::filesystem::exists(pk_path) && boost::filesystem::exists(vk_path))) {
686 uiInterface.ThreadSafeMessageBox(strprintf(
687 _("Cannot find the Zcash network parameters in the following directory:\n"
689 "Please run 'zcash-fetch-params' or './zcutil/fetch-params.sh' and then restart."),
691 "", CClientUIInterface::MSG_ERROR);
696 LogPrintf("Loading verifying key from %s\n", vk_path.string().c_str());
697 gettimeofday(&tv_start, 0);
699 pzcashParams = ZCJoinSplit::Prepared(vk_path.string(), pk_path.string());
701 gettimeofday(&tv_end, 0);
702 elapsed = float(tv_end.tv_sec-tv_start.tv_sec) + (tv_end.tv_usec-tv_start.tv_usec)/float(1000000);
703 LogPrintf("Loaded verifying key in %fs seconds.\n", elapsed);
706 bool AppInitServers(boost::thread_group& threadGroup)
708 RPCServer::OnStopped(&OnRPCStopped);
709 RPCServer::OnPreCommand(&OnRPCPreCommand);
710 if (!InitHTTPServer())
716 if (GetBoolArg("-rest", false) && !StartREST())
718 if (!StartHTTPServer())
723 /** Initialize bitcoin.
724 * @pre Parameters should be parsed and config file should be read.
726 bool AppInit2(boost::thread_group& threadGroup, CScheduler& scheduler)
728 // ********************************************************* Step 1: setup
730 // Turn off Microsoft heap dump noise
731 _CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE);
732 _CrtSetReportFile(_CRT_WARN, CreateFileA("NUL", GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0));
735 // Disable confusing "helpful" text message on abort, Ctrl-C
736 _set_abort_behavior(0, _WRITE_ABORT_MSG | _CALL_REPORTFAULT);
739 // Enable Data Execution Prevention (DEP)
740 // Minimum supported OS versions: WinXP SP3, WinVista >= SP1, Win Server 2008
741 // A failure is non-critical and needs no further attention!
742 #ifndef PROCESS_DEP_ENABLE
743 // We define this here, because GCCs winbase.h limits this to _WIN32_WINNT >= 0x0601 (Windows 7),
744 // which is not correct. Can be removed, when GCCs winbase.h is fixed!
745 #define PROCESS_DEP_ENABLE 0x00000001
747 typedef BOOL (WINAPI *PSETPROCDEPPOL)(DWORD);
748 PSETPROCDEPPOL setProcDEPPol = (PSETPROCDEPPOL)GetProcAddress(GetModuleHandleA("Kernel32.dll"), "SetProcessDEPPolicy");
749 if (setProcDEPPol != NULL) setProcDEPPol(PROCESS_DEP_ENABLE);
752 if (!SetupNetworking())
753 return InitError("Error: Initializing networking failed");
756 if (GetBoolArg("-sysperms", false)) {
758 if (!GetBoolArg("-disablewallet", false))
759 return InitError("Error: -sysperms is not allowed in combination with enabled wallet functionality");
765 // Clean shutdown on SIGTERM
767 sa.sa_handler = HandleSIGTERM;
768 sigemptyset(&sa.sa_mask);
770 sigaction(SIGTERM, &sa, NULL);
771 sigaction(SIGINT, &sa, NULL);
773 // Reopen debug.log on SIGHUP
774 struct sigaction sa_hup;
775 sa_hup.sa_handler = HandleSIGHUP;
776 sigemptyset(&sa_hup.sa_mask);
778 sigaction(SIGHUP, &sa_hup, NULL);
780 // Ignore SIGPIPE, otherwise it will bring the daemon down if the client closes unexpectedly
781 signal(SIGPIPE, SIG_IGN);
784 // ********************************************************* Step 2: parameter interactions
785 const CChainParams& chainparams = Params();
787 // Set this early so that experimental features are correctly enabled/disabled
788 fExperimentalMode = GetBoolArg("-experimentalfeatures", false);
790 // Fail early if user has set experimental options without the global flag
791 if (!fExperimentalMode) {
792 if (mapArgs.count("-developerencryptwallet")) {
793 return InitError(_("Wallet encryption requires -experimentalfeatures."));
795 else if (mapArgs.count("-paymentdisclosure")) {
796 return InitError(_("Payment disclosure requires -experimentalfeatures."));
797 } else if (mapArgs.count("-zmergetoaddress")) {
798 return InitError(_("RPC method z_mergetoaddress requires -experimentalfeatures."));
802 // Set this early so that parameter interactions go to console
803 fPrintToConsole = GetBoolArg("-printtoconsole", false);
804 fLogTimestamps = GetBoolArg("-logtimestamps", true);
805 fLogIPs = GetBoolArg("-logips", false);
807 LogPrintf("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n");
808 LogPrintf("Zcash version %s (%s)\n", FormatFullVersion(), CLIENT_DATE);
810 // when specifying an explicit binding address, you want to listen on it
811 // even when -connect or -proxy is specified
812 if (mapArgs.count("-bind")) {
813 if (SoftSetBoolArg("-listen", true))
814 LogPrintf("%s: parameter interaction: -bind set -> setting -listen=1\n", __func__);
816 if (mapArgs.count("-whitebind")) {
817 if (SoftSetBoolArg("-listen", true))
818 LogPrintf("%s: parameter interaction: -whitebind set -> setting -listen=1\n", __func__);
821 if (mapArgs.count("-connect") && mapMultiArgs["-connect"].size() > 0) {
822 // when only connecting to trusted nodes, do not seed via DNS, or listen by default
823 if (SoftSetBoolArg("-dnsseed", false))
824 LogPrintf("%s: parameter interaction: -connect set -> setting -dnsseed=0\n", __func__);
825 if (SoftSetBoolArg("-listen", false))
826 LogPrintf("%s: parameter interaction: -connect set -> setting -listen=0\n", __func__);
829 if (mapArgs.count("-proxy")) {
830 // to protect privacy, do not listen by default if a default proxy server is specified
831 if (SoftSetBoolArg("-listen", false))
832 LogPrintf("%s: parameter interaction: -proxy set -> setting -listen=0\n", __func__);
833 // to protect privacy, do not discover addresses by default
834 if (SoftSetBoolArg("-discover", false))
835 LogPrintf("%s: parameter interaction: -proxy set -> setting -discover=0\n", __func__);
838 if (!GetBoolArg("-listen", DEFAULT_LISTEN)) {
839 // do not try to retrieve public IP when not listening (pointless)
840 if (SoftSetBoolArg("-discover", false))
841 LogPrintf("%s: parameter interaction: -listen=0 -> setting -discover=0\n", __func__);
842 if (SoftSetBoolArg("-listenonion", false))
843 LogPrintf("%s: parameter interaction: -listen=0 -> setting -listenonion=0\n", __func__);
846 if (mapArgs.count("-externalip")) {
847 // if an explicit public IP is specified, do not try to find others
848 if (SoftSetBoolArg("-discover", false))
849 LogPrintf("%s: parameter interaction: -externalip set -> setting -discover=0\n", __func__);
852 if (GetBoolArg("-salvagewallet", false)) {
853 // Rewrite just private keys: rescan to find transactions
854 if (SoftSetBoolArg("-rescan", true))
855 LogPrintf("%s: parameter interaction: -salvagewallet=1 -> setting -rescan=1\n", __func__);
858 // -zapwallettx implies a rescan
859 if (GetBoolArg("-zapwallettxes", false)) {
860 if (SoftSetBoolArg("-rescan", true))
861 LogPrintf("%s: parameter interaction: -zapwallettxes=<mode> -> setting -rescan=1\n", __func__);
864 // Make sure enough file descriptors are available
865 int nBind = std::max((int)mapArgs.count("-bind") + (int)mapArgs.count("-whitebind"), 1);
866 nMaxConnections = GetArg("-maxconnections", DEFAULT_MAX_PEER_CONNECTIONS);
867 nMaxConnections = std::max(std::min(nMaxConnections, (int)(FD_SETSIZE - nBind - MIN_CORE_FILEDESCRIPTORS)), 0);
868 int nFD = RaiseFileDescriptorLimit(nMaxConnections + MIN_CORE_FILEDESCRIPTORS);
869 if (nFD < MIN_CORE_FILEDESCRIPTORS)
870 return InitError(_("Not enough file descriptors available."));
871 if (nFD - MIN_CORE_FILEDESCRIPTORS < nMaxConnections)
872 nMaxConnections = nFD - MIN_CORE_FILEDESCRIPTORS;
874 // if using block pruning, then disable txindex
875 // also disable the wallet (for now, until SPV support is implemented in wallet)
876 if (GetArg("-prune", 0)) {
877 if (GetBoolArg("-txindex", false))
878 return InitError(_("Prune mode is incompatible with -txindex."));
880 if (!GetBoolArg("-disablewallet", false)) {
881 if (SoftSetBoolArg("-disablewallet", true))
882 LogPrintf("%s : parameter interaction: -prune -> setting -disablewallet=1\n", __func__);
884 return InitError(_("Can't run with a wallet in prune mode."));
889 // ********************************************************* Step 3: parameter-to-internal-flags
891 fDebug = !mapMultiArgs["-debug"].empty();
892 // Special-case: if -debug=0/-nodebug is set, turn off debugging messages
893 const vector<string>& categories = mapMultiArgs["-debug"];
894 if (GetBoolArg("-nodebug", false) || find(categories.begin(), categories.end(), string("0")) != categories.end())
897 // Special case: if debug=zrpcunsafe, implies debug=zrpc, so add it to debug categories
898 if (find(categories.begin(), categories.end(), string("zrpcunsafe")) != categories.end()) {
899 if (find(categories.begin(), categories.end(), string("zrpc")) == categories.end()) {
900 LogPrintf("%s: parameter interaction: setting -debug=zrpcunsafe -> -debug=zrpc\n", __func__);
901 vector<string>& v = mapMultiArgs["-debug"];
906 // Check for -debugnet
907 if (GetBoolArg("-debugnet", false))
908 InitWarning(_("Warning: Unsupported argument -debugnet ignored, use -debug=net."));
909 // Check for -socks - as this is a privacy risk to continue, exit here
910 if (mapArgs.count("-socks"))
911 return InitError(_("Error: Unsupported argument -socks found. Setting SOCKS version isn't possible anymore, only SOCKS5 proxies are supported."));
912 // Check for -tor - as this is a privacy risk to continue, exit here
913 if (GetBoolArg("-tor", false))
914 return InitError(_("Error: Unsupported argument -tor found, use -onion."));
916 if (GetBoolArg("-benchmark", false))
917 InitWarning(_("Warning: Unsupported argument -benchmark ignored, use -debug=bench."));
919 // Checkmempool and checkblockindex default to true in regtest mode
920 int ratio = std::min<int>(std::max<int>(GetArg("-checkmempool", chainparams.DefaultConsistencyChecks() ? 1 : 0), 0), 1000000);
922 mempool.setSanityCheck(1.0 / ratio);
924 fCheckBlockIndex = GetBoolArg("-checkblockindex", chainparams.DefaultConsistencyChecks());
925 fCheckpointsEnabled = GetBoolArg("-checkpoints", true);
927 // -par=0 means autodetect, but nScriptCheckThreads==0 means no concurrency
928 nScriptCheckThreads = GetArg("-par", DEFAULT_SCRIPTCHECK_THREADS);
929 if (nScriptCheckThreads <= 0)
930 nScriptCheckThreads += GetNumCores();
931 if (nScriptCheckThreads <= 1)
932 nScriptCheckThreads = 0;
933 else if (nScriptCheckThreads > MAX_SCRIPTCHECK_THREADS)
934 nScriptCheckThreads = MAX_SCRIPTCHECK_THREADS;
936 fServer = GetBoolArg("-server", false);
938 // block pruning; get the amount of disk space (in MB) to allot for block & undo files
939 int64_t nSignedPruneTarget = GetArg("-prune", 0) * 1024 * 1024;
940 if (nSignedPruneTarget < 0) {
941 return InitError(_("Prune cannot be configured with a negative value."));
943 nPruneTarget = (uint64_t) nSignedPruneTarget;
945 if (nPruneTarget < MIN_DISK_SPACE_FOR_BLOCK_FILES) {
946 return InitError(strprintf(_("Prune configured below the minimum of %d MB. Please use a higher number."), MIN_DISK_SPACE_FOR_BLOCK_FILES / 1024 / 1024));
948 LogPrintf("Prune configured to target %uMiB on disk for block and undo files.\n", nPruneTarget / 1024 / 1024);
953 bool fDisableWallet = GetBoolArg("-disablewallet", false);
956 nConnectTimeout = GetArg("-timeout", DEFAULT_CONNECT_TIMEOUT);
957 if (nConnectTimeout <= 0)
958 nConnectTimeout = DEFAULT_CONNECT_TIMEOUT;
960 // Fee-per-kilobyte amount considered the same as "free"
961 // If you are mining, be careful setting this:
962 // if you set it to zero then
963 // a transaction spammer can cheaply fill blocks using
964 // 1-satoshi-fee transactions. It should be set above the real
965 // cost to you of processing a transaction.
966 if (mapArgs.count("-minrelaytxfee"))
969 if (ParseMoney(mapArgs["-minrelaytxfee"], n) && n > 0)
970 ::minRelayTxFee = CFeeRate(n);
972 return InitError(strprintf(_("Invalid amount for -minrelaytxfee=<amount>: '%s'"), mapArgs["-minrelaytxfee"]));
976 if (mapArgs.count("-mintxfee"))
979 if (ParseMoney(mapArgs["-mintxfee"], n) && n > 0)
980 CWallet::minTxFee = CFeeRate(n);
982 return InitError(strprintf(_("Invalid amount for -mintxfee=<amount>: '%s'"), mapArgs["-mintxfee"]));
984 if (mapArgs.count("-paytxfee"))
986 CAmount nFeePerK = 0;
987 if (!ParseMoney(mapArgs["-paytxfee"], nFeePerK))
988 return InitError(strprintf(_("Invalid amount for -paytxfee=<amount>: '%s'"), mapArgs["-paytxfee"]));
989 if (nFeePerK > nHighTransactionFeeWarning)
990 InitWarning(_("Warning: -paytxfee is set very high! This is the transaction fee you will pay if you send a transaction."));
991 payTxFee = CFeeRate(nFeePerK, 1000);
992 if (payTxFee < ::minRelayTxFee)
994 return InitError(strprintf(_("Invalid amount for -paytxfee=<amount>: '%s' (must be at least %s)"),
995 mapArgs["-paytxfee"], ::minRelayTxFee.ToString()));
998 if (mapArgs.count("-maxtxfee"))
1000 CAmount nMaxFee = 0;
1001 if (!ParseMoney(mapArgs["-maxtxfee"], nMaxFee))
1002 return InitError(strprintf(_("Invalid amount for -maxtxfee=<amount>: '%s'"), mapArgs["-maptxfee"]));
1003 if (nMaxFee > nHighTransactionMaxFeeWarning)
1004 InitWarning(_("Warning: -maxtxfee is set very high! Fees this large could be paid on a single transaction."));
1006 if (CFeeRate(maxTxFee, 1000) < ::minRelayTxFee)
1008 return InitError(strprintf(_("Invalid amount for -maxtxfee=<amount>: '%s' (must be at least the minrelay fee of %s to prevent stuck transactions)"),
1009 mapArgs["-maxtxfee"], ::minRelayTxFee.ToString()));
1012 nTxConfirmTarget = GetArg("-txconfirmtarget", DEFAULT_TX_CONFIRM_TARGET);
1013 expiryDelta = GetArg("-txexpirydelta", DEFAULT_TX_EXPIRY_DELTA);
1014 bSpendZeroConfChange = GetBoolArg("-spendzeroconfchange", true);
1015 fSendFreeTransactions = GetBoolArg("-sendfreetransactions", false);
1017 std::string strWalletFile = GetArg("-wallet", "wallet.dat");
1018 #endif // ENABLE_WALLET
1020 fIsBareMultisigStd = GetBoolArg("-permitbaremultisig", true);
1021 nMaxDatacarrierBytes = GetArg("-datacarriersize", nMaxDatacarrierBytes);
1023 fAlerts = GetBoolArg("-alerts", DEFAULT_ALERTS);
1025 // Option to startup with mocktime set (used for regression testing):
1026 SetMockTime(GetArg("-mocktime", 0)); // SetMockTime(0) is a no-op
1028 #ifdef ENABLE_MINING
1029 if (mapArgs.count("-mineraddress")) {
1030 CBitcoinAddress addr;
1031 if (!addr.SetString(mapArgs["-mineraddress"])) {
1032 return InitError(strprintf(
1033 _("Invalid address for -mineraddress=<addr>: '%s' (must be a transparent address)"),
1034 mapArgs["-mineraddress"]));
1039 // Default value of 0 for mempooltxinputlimit means no limit is applied
1040 if (mapArgs.count("-mempooltxinputlimit")) {
1041 int64_t limit = GetArg("-mempooltxinputlimit", 0);
1043 return InitError(_("Mempool limit on transparent inputs to a transaction cannot be negative"));
1044 } else if (limit > 0) {
1045 LogPrintf("Mempool configured to reject transactions with greater than %lld transparent inputs\n", limit);
1049 if (!mapMultiArgs["-nuparams"].empty()) {
1050 // Allow overriding network upgrade parameters for testing
1051 if (Params().NetworkIDString() != "regtest") {
1052 return InitError("Network upgrade parameters may only be overridden on regtest.");
1054 const vector<string>& deployments = mapMultiArgs["-nuparams"];
1055 for (auto i : deployments) {
1056 std::vector<std::string> vDeploymentParams;
1057 boost::split(vDeploymentParams, i, boost::is_any_of(":"));
1058 if (vDeploymentParams.size() != 2) {
1059 return InitError("Network upgrade parameters malformed, expecting hexBranchId:activationHeight");
1061 int nActivationHeight;
1062 if (!ParseInt32(vDeploymentParams[1], &nActivationHeight)) {
1063 return InitError(strprintf("Invalid nActivationHeight (%s)", vDeploymentParams[1]));
1066 // Exclude Sprout from upgrades
1067 for (auto i = Consensus::BASE_SPROUT + 1; i < Consensus::MAX_NETWORK_UPGRADES; ++i)
1069 if (vDeploymentParams[0].compare(HexInt(NetworkUpgradeInfo[i].nBranchId)) == 0) {
1070 UpdateNetworkUpgradeParameters(Consensus::UpgradeIndex(i), nActivationHeight);
1072 LogPrintf("Setting network upgrade activation parameters for %s to height=%d\n", vDeploymentParams[0], nActivationHeight);
1077 return InitError(strprintf("Invalid network upgrade (%s)", vDeploymentParams[0]));
1082 // ********************************************************* Step 4: application initialization: dir lock, daemonize, pidfile, debug log
1084 // Initialize libsodium
1085 if (init_and_check_sodium() == -1) {
1089 // Initialize elliptic curve code
1091 globalVerifyHandle.reset(new ECCVerifyHandle());
1094 if (!InitSanityCheck())
1095 return InitError(_("Initialization sanity check failed. Zcash is shutting down."));
1097 std::string strDataDir = GetDataDir().string();
1098 #ifdef ENABLE_WALLET
1099 // Wallet file must be a plain filename without a directory
1100 if (strWalletFile != boost::filesystem::basename(strWalletFile) + boost::filesystem::extension(strWalletFile))
1101 return InitError(strprintf(_("Wallet %s resides outside data directory %s"), strWalletFile, strDataDir));
1103 // Make sure only a single Bitcoin process is using the data directory.
1104 boost::filesystem::path pathLockFile = GetDataDir() / ".lock";
1105 FILE* file = fopen(pathLockFile.string().c_str(), "a"); // empty lock file; created if it doesn't exist.
1106 if (file) fclose(file);
1109 static boost::interprocess::file_lock lock(pathLockFile.string().c_str());
1110 if (!lock.try_lock())
1111 return InitError(strprintf(_("Cannot obtain a lock on data directory %s. Zcash is probably already running."), strDataDir));
1112 } catch(const boost::interprocess::interprocess_exception& e) {
1113 return InitError(strprintf(_("Cannot obtain a lock on data directory %s. Zcash is probably already running.") + " %s.", strDataDir, e.what()));
1117 CreatePidFile(GetPidFile(), getpid());
1119 if (GetBoolArg("-shrinkdebugfile", !fDebug))
1122 if (fPrintToDebugLog)
1125 LogPrintf("Using OpenSSL version %s\n", SSLeay_version(SSLEAY_VERSION));
1126 #ifdef ENABLE_WALLET
1127 LogPrintf("Using BerkeleyDB version %s\n", DbEnv::version(0, 0, 0));
1129 if (!fLogTimestamps)
1130 LogPrintf("Startup time: %s\n", DateTimeStrFormat("%Y-%m-%d %H:%M:%S", GetTime()));
1131 LogPrintf("Default data directory %s\n", GetDefaultDataDir().string());
1132 LogPrintf("Using data directory %s\n", strDataDir);
1133 LogPrintf("Using config file %s\n", GetConfigFile().string());
1134 LogPrintf("Using at most %i connections (%i file descriptors available)\n", nMaxConnections, nFD);
1135 std::ostringstream strErrors;
1137 LogPrintf("Using %u threads for script verification\n", nScriptCheckThreads);
1138 if (nScriptCheckThreads) {
1139 for (int i=0; i<nScriptCheckThreads-1; i++)
1140 threadGroup.create_thread(&ThreadScriptCheck);
1143 // Start the lightweight task scheduler thread
1144 CScheduler::Function serviceLoop = boost::bind(&CScheduler::serviceQueue, &scheduler);
1145 threadGroup.create_thread(boost::bind(&TraceThread<CScheduler::Function>, "scheduler", serviceLoop));
1150 if ((chainparams.NetworkIDString() != "regtest") &&
1151 GetBoolArg("-showmetrics", isatty(STDOUT_FILENO)) &&
1152 !fPrintToConsole && !GetBoolArg("-daemon", false)) {
1153 // Start the persistent metrics interface
1154 ConnectMetricsScreen();
1155 threadGroup.create_thread(&ThreadShowMetricsScreen);
1158 // These must be disabled for now, they are buggy and we probably don't
1159 // want any of libsnark's profiling in production anyway.
1160 libsnark::inhibit_profiling_info = true;
1161 libsnark::inhibit_profiling_counters = true;
1163 // Initialize Zcash circuit parameters
1166 /* Start the RPC server already. It will be started in "warmup" mode
1167 * and not really process calls already (but it will signify connections
1168 * that the server is there and will be ready later). Warmup mode will
1169 * be disabled when initialisation is finished.
1173 uiInterface.InitMessage.connect(SetRPCWarmupStatus);
1174 if (!AppInitServers(threadGroup))
1175 return InitError(_("Unable to start HTTP server. See debug log for details."));
1180 // ********************************************************* Step 5: verify wallet database integrity
1181 #ifdef ENABLE_WALLET
1182 if (!fDisableWallet) {
1183 LogPrintf("Using wallet %s\n", strWalletFile);
1184 uiInterface.InitMessage(_("Verifying wallet..."));
1186 std::string warningString;
1187 std::string errorString;
1189 if (!CWallet::Verify(strWalletFile, warningString, errorString))
1192 if (!warningString.empty())
1193 InitWarning(warningString);
1194 if (!errorString.empty())
1195 return InitError(warningString);
1197 } // (!fDisableWallet)
1198 #endif // ENABLE_WALLET
1199 // ********************************************************* Step 6: network initialization
1201 RegisterNodeSignals(GetNodeSignals());
1203 if (mapArgs.count("-onlynet")) {
1204 std::set<enum Network> nets;
1205 BOOST_FOREACH(const std::string& snet, mapMultiArgs["-onlynet"]) {
1206 enum Network net = ParseNetwork(snet);
1207 if (net == NET_UNROUTABLE)
1208 return InitError(strprintf(_("Unknown network specified in -onlynet: '%s'"), snet));
1211 for (int n = 0; n < NET_MAX; n++) {
1212 enum Network net = (enum Network)n;
1213 if (!nets.count(net))
1218 if (mapArgs.count("-whitelist")) {
1219 BOOST_FOREACH(const std::string& net, mapMultiArgs["-whitelist"]) {
1220 CSubNet subnet(net);
1221 if (!subnet.IsValid())
1222 return InitError(strprintf(_("Invalid netmask specified in -whitelist: '%s'"), net));
1223 CNode::AddWhitelistedRange(subnet);
1227 bool proxyRandomize = GetBoolArg("-proxyrandomize", true);
1228 // -proxy sets a proxy for all outgoing network traffic
1229 // -noproxy (or -proxy=0) as well as the empty string can be used to not set a proxy, this is the default
1230 std::string proxyArg = GetArg("-proxy", "");
1231 SetLimited(NET_TOR);
1232 if (proxyArg != "" && proxyArg != "0") {
1233 proxyType addrProxy = proxyType(CService(proxyArg, 9050), proxyRandomize);
1234 if (!addrProxy.IsValid())
1235 return InitError(strprintf(_("Invalid -proxy address: '%s'"), proxyArg));
1237 SetProxy(NET_IPV4, addrProxy);
1238 SetProxy(NET_IPV6, addrProxy);
1239 SetProxy(NET_TOR, addrProxy);
1240 SetNameProxy(addrProxy);
1241 SetLimited(NET_TOR, false); // by default, -proxy sets onion as reachable, unless -noonion later
1244 // -onion can be used to set only a proxy for .onion, or override normal proxy for .onion addresses
1245 // -noonion (or -onion=0) disables connecting to .onion entirely
1246 // An empty string is used to not override the onion proxy (in which case it defaults to -proxy set above, or none)
1247 std::string onionArg = GetArg("-onion", "");
1248 if (onionArg != "") {
1249 if (onionArg == "0") { // Handle -noonion/-onion=0
1250 SetLimited(NET_TOR); // set onions as unreachable
1252 proxyType addrOnion = proxyType(CService(onionArg, 9050), proxyRandomize);
1253 if (!addrOnion.IsValid())
1254 return InitError(strprintf(_("Invalid -onion address: '%s'"), onionArg));
1255 SetProxy(NET_TOR, addrOnion);
1256 SetLimited(NET_TOR, false);
1260 // see Step 2: parameter interactions for more information about these
1261 fListen = GetBoolArg("-listen", DEFAULT_LISTEN);
1262 fDiscover = GetBoolArg("-discover", true);
1263 fNameLookup = GetBoolArg("-dns", true);
1265 bool fBound = false;
1267 if (mapArgs.count("-bind") || mapArgs.count("-whitebind")) {
1268 BOOST_FOREACH(const std::string& strBind, mapMultiArgs["-bind"]) {
1270 if (!Lookup(strBind.c_str(), addrBind, GetListenPort(), false))
1271 return InitError(strprintf(_("Cannot resolve -bind address: '%s'"), strBind));
1272 fBound |= Bind(addrBind, (BF_EXPLICIT | BF_REPORT_ERROR));
1274 BOOST_FOREACH(const std::string& strBind, mapMultiArgs["-whitebind"]) {
1276 if (!Lookup(strBind.c_str(), addrBind, 0, false))
1277 return InitError(strprintf(_("Cannot resolve -whitebind address: '%s'"), strBind));
1278 if (addrBind.GetPort() == 0)
1279 return InitError(strprintf(_("Need to specify a port with -whitebind: '%s'"), strBind));
1280 fBound |= Bind(addrBind, (BF_EXPLICIT | BF_REPORT_ERROR | BF_WHITELIST));
1284 struct in_addr inaddr_any;
1285 inaddr_any.s_addr = INADDR_ANY;
1286 fBound |= Bind(CService(in6addr_any, GetListenPort()), BF_NONE);
1287 fBound |= Bind(CService(inaddr_any, GetListenPort()), !fBound ? BF_REPORT_ERROR : BF_NONE);
1290 return InitError(_("Failed to listen on any port. Use -listen=0 if you want this."));
1293 if (mapArgs.count("-externalip")) {
1294 BOOST_FOREACH(const std::string& strAddr, mapMultiArgs["-externalip"]) {
1295 CService addrLocal(strAddr, GetListenPort(), fNameLookup);
1296 if (!addrLocal.IsValid())
1297 return InitError(strprintf(_("Cannot resolve -externalip address: '%s'"), strAddr));
1298 AddLocal(CService(strAddr, GetListenPort(), fNameLookup), LOCAL_MANUAL);
1302 BOOST_FOREACH(const std::string& strDest, mapMultiArgs["-seednode"])
1303 AddOneShot(strDest);
1306 pzmqNotificationInterface = CZMQNotificationInterface::CreateWithArguments(mapArgs);
1308 if (pzmqNotificationInterface) {
1309 RegisterValidationInterface(pzmqNotificationInterface);
1314 pAMQPNotificationInterface = AMQPNotificationInterface::CreateWithArguments(mapArgs);
1316 if (pAMQPNotificationInterface) {
1318 // AMQP support is currently an experimental feature, so fail if user configured AMQP notifications
1319 // without enabling experimental features.
1320 if (!fExperimentalMode) {
1321 return InitError(_("AMQP support requires -experimentalfeatures."));
1324 RegisterValidationInterface(pAMQPNotificationInterface);
1328 // ********************************************************* Step 7: load block chain
1330 fReindex = GetBoolArg("-reindex", false);
1332 // Upgrading to 0.8; hard-link the old blknnnn.dat files into /blocks/
1333 boost::filesystem::path blocksDir = GetDataDir() / "blocks";
1334 if (!boost::filesystem::exists(blocksDir))
1336 boost::filesystem::create_directories(blocksDir);
1337 bool linked = false;
1338 for (unsigned int i = 1; i < 10000; i++) {
1339 boost::filesystem::path source = GetDataDir() / strprintf("blk%04u.dat", i);
1340 if (!boost::filesystem::exists(source)) break;
1341 boost::filesystem::path dest = blocksDir / strprintf("blk%05u.dat", i-1);
1343 boost::filesystem::create_hard_link(source, dest);
1344 LogPrintf("Hardlinked %s -> %s\n", source.string(), dest.string());
1346 } catch (const boost::filesystem::filesystem_error& e) {
1347 // Note: hardlink creation failing is not a disaster, it just means
1348 // blocks will get re-downloaded from peers.
1349 LogPrintf("Error hardlinking blk%04u.dat: %s\n", i, e.what());
1359 // cache size calculations
1360 int64_t nTotalCache = (GetArg("-dbcache", nDefaultDbCache) << 20);
1361 nTotalCache = std::max(nTotalCache, nMinDbCache << 20); // total cache cannot be less than nMinDbCache
1362 nTotalCache = std::min(nTotalCache, nMaxDbCache << 20); // total cache cannot be greated than nMaxDbcache
1363 int64_t nBlockTreeDBCache = nTotalCache / 8;
1364 if (nBlockTreeDBCache > (1 << 21) && !GetBoolArg("-txindex", false))
1365 nBlockTreeDBCache = (1 << 21); // block tree db cache shouldn't be larger than 2 MiB
1366 nTotalCache -= nBlockTreeDBCache;
1367 int64_t nCoinDBCache = std::min(nTotalCache / 2, (nTotalCache / 4) + (1 << 23)); // use 25%-50% of the remainder for disk cache
1368 nTotalCache -= nCoinDBCache;
1369 nCoinCacheUsage = nTotalCache; // the rest goes to in-memory cache
1370 LogPrintf("Cache configuration:\n");
1371 LogPrintf("* Using %.1fMiB for block index database\n", nBlockTreeDBCache * (1.0 / 1024 / 1024));
1372 LogPrintf("* Using %.1fMiB for chain state database\n", nCoinDBCache * (1.0 / 1024 / 1024));
1373 LogPrintf("* Using %.1fMiB for in-memory UTXO set\n", nCoinCacheUsage * (1.0 / 1024 / 1024));
1375 bool fLoaded = false;
1377 bool fReset = fReindex;
1378 std::string strLoadError;
1380 uiInterface.InitMessage(_("Loading block index..."));
1382 nStart = GetTimeMillis();
1387 delete pcoinsdbview;
1388 delete pcoinscatcher;
1391 pblocktree = new CBlockTreeDB(nBlockTreeDBCache, false, fReindex);
1392 pcoinsdbview = new CCoinsViewDB(nCoinDBCache, false, fReindex);
1393 pcoinscatcher = new CCoinsViewErrorCatcher(pcoinsdbview);
1394 pcoinsTip = new CCoinsViewCache(pcoinscatcher);
1397 pblocktree->WriteReindexing(true);
1398 //If we're reindexing in prune mode, wipe away unusable block files and all undo data files
1400 CleanupBlockRevFiles();
1403 if (!LoadBlockIndex()) {
1404 strLoadError = _("Error loading block database");
1408 // If the loaded chain has a wrong genesis, bail out immediately
1409 // (we're likely using a testnet datadir, or the other way around).
1410 if (!mapBlockIndex.empty() && mapBlockIndex.count(chainparams.GetConsensus().hashGenesisBlock) == 0)
1411 return InitError(_("Incorrect or no genesis block found. Wrong datadir for network?"));
1413 // Initialize the block index (no-op if non-empty database was already loaded)
1414 if (!InitBlockIndex()) {
1415 strLoadError = _("Error initializing block database");
1419 // Check for changed -txindex state
1420 if (fTxIndex != GetBoolArg("-txindex", false)) {
1421 strLoadError = _("You need to rebuild the database using -reindex to change -txindex");
1425 // Check for changed -prune state. What we are concerned about is a user who has pruned blocks
1426 // in the past, but is now trying to run unpruned.
1427 if (fHavePruned && !fPruneMode) {
1428 strLoadError = _("You need to rebuild the database using -reindex to go back to unpruned mode. This will redownload the entire blockchain");
1433 uiInterface.InitMessage(_("Rewinding blocks if needed..."));
1434 if (!RewindBlockIndex(chainparams)) {
1435 strLoadError = _("Unable to rewind the database to a pre-upgrade state. You will need to redownload the blockchain");
1440 uiInterface.InitMessage(_("Verifying blocks..."));
1441 if (fHavePruned && GetArg("-checkblocks", 288) > MIN_BLOCKS_TO_KEEP) {
1442 LogPrintf("Prune: pruned datadir may not have more than %d blocks; -checkblocks=%d may fail\n",
1443 MIN_BLOCKS_TO_KEEP, GetArg("-checkblocks", 288));
1445 if (!CVerifyDB().VerifyDB(pcoinsdbview, GetArg("-checklevel", 3),
1446 GetArg("-checkblocks", 288))) {
1447 strLoadError = _("Corrupted block database detected");
1450 } catch (const std::exception& e) {
1451 if (fDebug) LogPrintf("%s\n", e.what());
1452 strLoadError = _("Error opening block database");
1460 // first suggest a reindex
1462 bool fRet = uiInterface.ThreadSafeQuestion(
1463 strLoadError + ".\n\n" + _("Do you want to rebuild the block database now?"),
1464 strLoadError + ".\nPlease restart with -reindex to recover.",
1465 "", CClientUIInterface::MSG_ERROR | CClientUIInterface::BTN_ABORT);
1468 fRequestShutdown = false;
1470 LogPrintf("Aborted block database rebuild. Exiting.\n");
1474 return InitError(strLoadError);
1479 // As LoadBlockIndex can take several minutes, it's possible the user
1480 // requested to kill the GUI during the last operation. If so, exit.
1481 // As the program has not fully started yet, Shutdown() is possibly overkill.
1482 if (fRequestShutdown)
1484 LogPrintf("Shutdown requested. Exiting.\n");
1487 LogPrintf(" block index %15dms\n", GetTimeMillis() - nStart);
1489 boost::filesystem::path est_path = GetDataDir() / FEE_ESTIMATES_FILENAME;
1490 CAutoFile est_filein(fopen(est_path.string().c_str(), "rb"), SER_DISK, CLIENT_VERSION);
1491 // Allowed to fail as this file IS missing on first startup.
1492 if (!est_filein.IsNull())
1493 mempool.ReadFeeEstimates(est_filein);
1494 fFeeEstimatesInitialized = true;
1497 // ********************************************************* Step 8: load wallet
1498 #ifdef ENABLE_WALLET
1499 if (fDisableWallet) {
1501 LogPrintf("Wallet disabled!\n");
1504 // needed to restore wallet transaction meta data after -zapwallettxes
1505 std::vector<CWalletTx> vWtx;
1507 if (GetBoolArg("-zapwallettxes", false)) {
1508 uiInterface.InitMessage(_("Zapping all transactions from wallet..."));
1510 pwalletMain = new CWallet(strWalletFile);
1511 DBErrors nZapWalletRet = pwalletMain->ZapWalletTx(vWtx);
1512 if (nZapWalletRet != DB_LOAD_OK) {
1513 uiInterface.InitMessage(_("Error loading wallet.dat: Wallet corrupted"));
1521 uiInterface.InitMessage(_("Loading wallet..."));
1523 nStart = GetTimeMillis();
1524 bool fFirstRun = true;
1525 pwalletMain = new CWallet(strWalletFile);
1526 DBErrors nLoadWalletRet = pwalletMain->LoadWallet(fFirstRun);
1527 if (nLoadWalletRet != DB_LOAD_OK)
1529 if (nLoadWalletRet == DB_CORRUPT)
1530 strErrors << _("Error loading wallet.dat: Wallet corrupted") << "\n";
1531 else if (nLoadWalletRet == DB_NONCRITICAL_ERROR)
1533 string msg(_("Warning: error reading wallet.dat! All keys read correctly, but transaction data"
1534 " or address book entries might be missing or incorrect."));
1537 else if (nLoadWalletRet == DB_TOO_NEW)
1538 strErrors << _("Error loading wallet.dat: Wallet requires newer version of Zcash") << "\n";
1539 else if (nLoadWalletRet == DB_NEED_REWRITE)
1541 strErrors << _("Wallet needed to be rewritten: restart Zcash to complete") << "\n";
1542 LogPrintf("%s", strErrors.str());
1543 return InitError(strErrors.str());
1546 strErrors << _("Error loading wallet.dat") << "\n";
1549 if (GetBoolArg("-upgradewallet", fFirstRun))
1551 int nMaxVersion = GetArg("-upgradewallet", 0);
1552 if (nMaxVersion == 0) // the -upgradewallet without argument case
1554 LogPrintf("Performing wallet upgrade to %i\n", FEATURE_LATEST);
1555 nMaxVersion = CLIENT_VERSION;
1556 pwalletMain->SetMinVersion(FEATURE_LATEST); // permanently upgrade the wallet immediately
1559 LogPrintf("Allowing wallet upgrade up to %i\n", nMaxVersion);
1560 if (nMaxVersion < pwalletMain->GetVersion())
1561 strErrors << _("Cannot downgrade wallet") << "\n";
1562 pwalletMain->SetMaxVersion(nMaxVersion);
1567 // Create new keyUser and set as default key
1568 CPubKey newDefaultKey;
1569 if (pwalletMain->GetKeyFromPool(newDefaultKey)) {
1570 pwalletMain->SetDefaultKey(newDefaultKey);
1571 if (!pwalletMain->SetAddressBook(pwalletMain->vchDefaultKey.GetID(), "", "receive"))
1572 strErrors << _("Cannot write default address") << "\n";
1575 pwalletMain->SetBestChain(chainActive.GetLocator());
1578 LogPrintf("%s", strErrors.str());
1579 LogPrintf(" wallet %15dms\n", GetTimeMillis() - nStart);
1581 RegisterValidationInterface(pwalletMain);
1583 CBlockIndex *pindexRescan = chainActive.Tip();
1584 if (GetBoolArg("-rescan", false))
1586 pwalletMain->ClearNoteWitnessCache();
1587 pindexRescan = chainActive.Genesis();
1591 CWalletDB walletdb(strWalletFile);
1592 CBlockLocator locator;
1593 if (walletdb.ReadBestBlock(locator))
1594 pindexRescan = FindForkInGlobalIndex(chainActive, locator);
1596 pindexRescan = chainActive.Genesis();
1598 if (chainActive.Tip() && chainActive.Tip() != pindexRescan)
1600 uiInterface.InitMessage(_("Rescanning..."));
1601 LogPrintf("Rescanning last %i blocks (from block %i)...\n", chainActive.Height() - pindexRescan->nHeight, pindexRescan->nHeight);
1602 nStart = GetTimeMillis();
1603 pwalletMain->ScanForWalletTransactions(pindexRescan, true);
1604 LogPrintf(" rescan %15dms\n", GetTimeMillis() - nStart);
1605 pwalletMain->SetBestChain(chainActive.GetLocator());
1608 // Restore wallet transaction metadata after -zapwallettxes=1
1609 if (GetBoolArg("-zapwallettxes", false) && GetArg("-zapwallettxes", "1") != "2")
1611 CWalletDB walletdb(strWalletFile);
1613 BOOST_FOREACH(const CWalletTx& wtxOld, vWtx)
1615 uint256 hash = wtxOld.GetHash();
1616 std::map<uint256, CWalletTx>::iterator mi = pwalletMain->mapWallet.find(hash);
1617 if (mi != pwalletMain->mapWallet.end())
1619 const CWalletTx* copyFrom = &wtxOld;
1620 CWalletTx* copyTo = &mi->second;
1621 copyTo->mapValue = copyFrom->mapValue;
1622 copyTo->vOrderForm = copyFrom->vOrderForm;
1623 copyTo->nTimeReceived = copyFrom->nTimeReceived;
1624 copyTo->nTimeSmart = copyFrom->nTimeSmart;
1625 copyTo->fFromMe = copyFrom->fFromMe;
1626 copyTo->strFromAccount = copyFrom->strFromAccount;
1627 copyTo->nOrderPos = copyFrom->nOrderPos;
1628 copyTo->WriteToDisk(&walletdb);
1633 pwalletMain->SetBroadcastTransactions(GetBoolArg("-walletbroadcast", true));
1634 } // (!fDisableWallet)
1635 #else // ENABLE_WALLET
1636 LogPrintf("No wallet support compiled in!\n");
1637 #endif // !ENABLE_WALLET
1639 #ifdef ENABLE_MINING
1640 #ifndef ENABLE_WALLET
1641 if (GetBoolArg("-minetolocalwallet", false)) {
1642 return InitError(_("Zcash was not built with wallet support. Set -minetolocalwallet=0 to use -mineraddress, or rebuild Zcash with wallet support."));
1644 if (GetArg("-mineraddress", "").empty() && GetBoolArg("-gen", false)) {
1645 return InitError(_("Zcash was not built with wallet support. Set -mineraddress, or rebuild Zcash with wallet support."));
1647 #endif // !ENABLE_WALLET
1649 if (mapArgs.count("-mineraddress")) {
1650 #ifdef ENABLE_WALLET
1651 bool minerAddressInLocalWallet = false;
1653 // Address has alreday been validated
1654 CBitcoinAddress addr(mapArgs["-mineraddress"]);
1656 addr.GetKeyID(keyID);
1657 minerAddressInLocalWallet = pwalletMain->HaveKey(keyID);
1659 if (GetBoolArg("-minetolocalwallet", true) && !minerAddressInLocalWallet) {
1660 return InitError(_("-mineraddress is not in the local wallet. Either use a local address, or set -minetolocalwallet=0"));
1662 #endif // ENABLE_WALLET
1664 #endif // ENABLE_MINING
1666 // ********************************************************* Step 9: data directory maintenance
1668 // if pruning, unset the service bit and perform the initial blockstore prune
1669 // after any wallet rescanning has taken place.
1671 LogPrintf("Unsetting NODE_NETWORK on prune mode\n");
1672 nLocalServices &= ~NODE_NETWORK;
1674 uiInterface.InitMessage(_("Pruning blockstore..."));
1679 // ********************************************************* Step 10: import blocks
1681 if (mapArgs.count("-blocknotify"))
1682 uiInterface.NotifyBlockTip.connect(BlockNotifyCallback);
1684 uiInterface.InitMessage(_("Activating best chain..."));
1685 // scan for better chains in the block chain database, that are not yet connected in the active best chain
1686 CValidationState state;
1687 if (!ActivateBestChain(state))
1688 strErrors << "Failed to connect best block";
1690 std::vector<boost::filesystem::path> vImportFiles;
1691 if (mapArgs.count("-loadblock"))
1693 BOOST_FOREACH(const std::string& strFile, mapMultiArgs["-loadblock"])
1694 vImportFiles.push_back(strFile);
1696 threadGroup.create_thread(boost::bind(&ThreadImport, vImportFiles));
1697 if (chainActive.Tip() == NULL) {
1698 LogPrintf("Waiting for genesis block to be imported...\n");
1699 while (!fRequestShutdown && chainActive.Tip() == NULL)
1703 // ********************************************************* Step 11: start node
1705 if (!CheckDiskSpace())
1708 if (!strErrors.str().empty())
1709 return InitError(strErrors.str());
1712 LogPrintf("mapBlockIndex.size() = %u\n", mapBlockIndex.size());
1713 LogPrintf("nBestHeight = %d\n", chainActive.Height());
1714 #ifdef ENABLE_WALLET
1715 LogPrintf("setKeyPool.size() = %u\n", pwalletMain ? pwalletMain->setKeyPool.size() : 0);
1716 LogPrintf("mapWallet.size() = %u\n", pwalletMain ? pwalletMain->mapWallet.size() : 0);
1717 LogPrintf("mapAddressBook.size() = %u\n", pwalletMain ? pwalletMain->mapAddressBook.size() : 0);
1720 if (GetBoolArg("-listenonion", DEFAULT_LISTEN_ONION))
1721 StartTorControl(threadGroup, scheduler);
1723 StartNode(threadGroup, scheduler);
1725 // Monitor the chain, and alert if we get blocks much quicker or slower than expected
1726 int64_t nPowTargetSpacing = Params().GetConsensus().nPowTargetSpacing;
1727 CScheduler::Function f = boost::bind(&PartitionCheck, &IsInitialBlockDownload,
1728 boost::ref(cs_main), boost::cref(pindexBestHeader), nPowTargetSpacing);
1729 scheduler.scheduleEvery(f, nPowTargetSpacing);
1731 #ifdef ENABLE_MINING
1732 // Generate coins in the background
1733 #ifdef ENABLE_WALLET
1734 if (pwalletMain || !GetArg("-mineraddress", "").empty())
1735 GenerateBitcoins(GetBoolArg("-gen", false), pwalletMain, GetArg("-genproclimit", 1));
1737 GenerateBitcoins(GetBoolArg("-gen", false), GetArg("-genproclimit", 1));
1741 // ********************************************************* Step 11: finished
1743 SetRPCWarmupFinished();
1744 uiInterface.InitMessage(_("Done loading"));
1746 #ifdef ENABLE_WALLET
1748 // Add wallet transactions that aren't already in a block to mapTransactions
1749 pwalletMain->ReacceptWalletTransactions();
1751 // Run a thread to flush wallet periodically
1752 threadGroup.create_thread(boost::bind(&ThreadFlushWalletDB, boost::ref(pwalletMain->strWalletFile)));
1757 threadGroup.create_thread(boost::bind(ThreadSendAlert));
1759 return !fRequestShutdown;