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 https://www.opensource.org/licenses/mit-license.php .
6 #if defined(HAVE_CONFIG_H)
7 #include "config/bitcoin-config.h"
11 #include "crypto/common.h"
14 #include "checkpoints.h"
15 #include "compat/sanity.h"
16 #include "consensus/upgrades.h"
17 #include "consensus/validation.h"
18 #include "httpserver.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"
34 #include "torcontrol.h"
35 #include "ui_interface.h"
37 #include "utilmoneystr.h"
38 #include "validationinterface.h"
41 #include "wallet/wallet.h"
42 #include "wallet/walletdb.h"
51 #include <boost/algorithm/string/classification.hpp>
52 #include <boost/algorithm/string/predicate.hpp>
53 #include <boost/algorithm/string/replace.hpp>
54 #include <boost/algorithm/string/split.hpp>
55 #include <boost/bind.hpp>
56 #include <boost/filesystem.hpp>
57 #include <boost/function.hpp>
58 #include <boost/interprocess/sync/file_lock.hpp>
59 #include <boost/thread.hpp>
60 #include <openssl/crypto.h>
62 #include <libsnark/common/profiling.hpp>
65 #include "zmq/zmqnotificationinterface.h"
69 #include "amqp/amqpnotificationinterface.h"
72 #include "librustzcash.h"
76 extern void ThreadSendAlert();
78 ZCJoinSplit* pzcashParams = NULL;
81 CWallet* pwalletMain = NULL;
83 bool fFeeEstimatesInitialized = false;
86 static CZMQNotificationInterface* pzmqNotificationInterface = NULL;
90 static AMQPNotificationInterface* pAMQPNotificationInterface = NULL;
94 // Win32 LevelDB doesn't use file descriptors, and the ones used for
95 // accessing block files don't count towards the fd_set size limit
97 #define MIN_CORE_FILEDESCRIPTORS 0
99 #define MIN_CORE_FILEDESCRIPTORS 150
102 /** Used to pass flags to the Bind() function */
105 BF_EXPLICIT = (1U << 0),
106 BF_REPORT_ERROR = (1U << 1),
107 BF_WHITELIST = (1U << 2),
110 static const char* FEE_ESTIMATES_FILENAME="fee_estimates.dat";
111 CClientUIInterface uiInterface; // Declared but not defined in ui_interface.h
113 //////////////////////////////////////////////////////////////////////////////
119 // Thread management and startup/shutdown:
121 // The network-processing threads are all part of a thread group
122 // created by AppInit().
124 // A clean exit happens when StartShutdown() or the SIGTERM
125 // signal handler sets fRequestShutdown, which triggers
126 // the DetectShutdownThread(), which interrupts the main thread group.
127 // DetectShutdownThread() then exits, which causes AppInit() to
128 // continue (it .joins the shutdown thread).
129 // Shutdown() is then
130 // called to clean up database connections, and stop other
131 // threads that should only be stopped after the main network-processing
132 // threads have exited.
134 // Note that if running -daemon the parent process returns from AppInit2
135 // before adding any threads to the threadGroup, so .join_all() returns
136 // immediately and the parent exits from main().
139 std::atomic<bool> fRequestShutdown(false);
143 fRequestShutdown = true;
145 bool ShutdownRequested()
147 return fRequestShutdown;
150 class CCoinsViewErrorCatcher : public CCoinsViewBacked
153 CCoinsViewErrorCatcher(CCoinsView* view) : CCoinsViewBacked(view) {}
154 bool GetCoins(const uint256 &txid, CCoins &coins) const {
156 return CCoinsViewBacked::GetCoins(txid, coins);
157 } catch(const std::runtime_error& e) {
158 uiInterface.ThreadSafeMessageBox(_("Error reading from database, shutting down."), "", CClientUIInterface::MSG_ERROR);
159 LogPrintf("Error reading from database: %s\n", e.what());
160 // Starting the shutdown sequence and returning false to the caller would be
161 // interpreted as 'entry not found' (as opposed to unable to read data), and
162 // could lead to invalid interpretation. Just exit immediately, as we can't
163 // continue anyway, and all writes should be atomic.
167 // Writes do not need similar protection, as failure to write is handled by the caller.
170 static CCoinsViewDB *pcoinsdbview = NULL;
171 static CCoinsViewErrorCatcher *pcoinscatcher = NULL;
172 static boost::scoped_ptr<ECCVerifyHandle> globalVerifyHandle;
174 void Interrupt(boost::thread_group& threadGroup)
176 InterruptHTTPServer();
180 InterruptTorControl();
181 threadGroup.interrupt_all();
186 LogPrintf("%s: In progress...\n", __func__);
187 static CCriticalSection cs_Shutdown;
188 TRY_LOCK(cs_Shutdown, lockShutdown);
192 /// Note: Shutdown() must be able to handle cases in which AppInit2() failed part of the way,
193 /// for example if the data directory was found to be locked.
194 /// Be sure that anything that writes files or flushes caches only does this if the respective
195 /// module was initialized.
196 RenameThread("zcash-shutoff");
197 mempool.AddTransactionsUpdated(1);
205 pwalletMain->Flush(false);
208 GenerateBitcoins(false, 0, Params());
212 UnregisterNodeSignals(GetNodeSignals());
214 if (fFeeEstimatesInitialized)
216 boost::filesystem::path est_path = GetDataDir() / FEE_ESTIMATES_FILENAME;
217 CAutoFile est_fileout(fopen(est_path.string().c_str(), "wb"), SER_DISK, CLIENT_VERSION);
218 if (!est_fileout.IsNull())
219 mempool.WriteFeeEstimates(est_fileout);
221 LogPrintf("%s: Failed to write fee estimates to %s\n", __func__, est_path.string());
222 fFeeEstimatesInitialized = false;
227 if (pcoinsTip != NULL) {
232 delete pcoinscatcher;
233 pcoinscatcher = NULL;
241 pwalletMain->Flush(true);
245 if (pzmqNotificationInterface) {
246 UnregisterValidationInterface(pzmqNotificationInterface);
247 delete pzmqNotificationInterface;
248 pzmqNotificationInterface = NULL;
253 if (pAMQPNotificationInterface) {
254 UnregisterValidationInterface(pAMQPNotificationInterface);
255 delete pAMQPNotificationInterface;
256 pAMQPNotificationInterface = NULL;
262 boost::filesystem::remove(GetPidFile());
263 } catch (const boost::filesystem::filesystem_error& e) {
264 LogPrintf("%s: Unable to remove pidfile: %s\n", __func__, e.what());
267 UnregisterAllValidationInterfaces();
274 globalVerifyHandle.reset();
276 LogPrintf("%s: done\n", __func__);
280 * Signal handlers are very limited in what they are allowed to do, so:
282 void HandleSIGTERM(int)
284 fRequestShutdown = true;
287 void HandleSIGHUP(int)
289 fReopenDebugLog = true;
292 bool static InitError(const std::string &str)
294 uiInterface.ThreadSafeMessageBox(str, "", CClientUIInterface::MSG_ERROR);
298 bool static InitWarning(const std::string &str)
300 uiInterface.ThreadSafeMessageBox(str, "", CClientUIInterface::MSG_WARNING);
304 bool static Bind(const CService &addr, unsigned int flags) {
305 if (!(flags & BF_EXPLICIT) && IsLimited(addr))
307 std::string strError;
308 if (!BindListenPort(addr, strError, (flags & BF_WHITELIST) != 0)) {
309 if (flags & BF_REPORT_ERROR)
310 return InitError(strError);
318 cvBlockChange.notify_all();
319 LogPrint("rpc", "RPC stopped.\n");
322 void OnRPCPreCommand(const CRPCCommand& cmd)
325 string strWarning = GetWarnings("rpc");
326 if (strWarning != "" && !GetBoolArg("-disablesafemode", false) &&
328 throw JSONRPCError(RPC_FORBIDDEN_BY_SAFE_MODE, string("Safe mode: ") + strWarning);
331 std::string HelpMessage(HelpMessageMode mode)
333 const bool showDebug = GetBoolArg("-help-debug", false);
335 // When adding new options to the categories, please keep and ensure alphabetical ordering.
336 // Do not translate _(...) -help-debug options, many technical terms, and only a very small audience, so is unnecessary stress to translators
338 string strUsage = HelpMessageGroup(_("Options:"));
339 strUsage += HelpMessageOpt("-?", _("This help message"));
340 strUsage += HelpMessageOpt("-alerts", strprintf(_("Receive and display P2P network alerts (default: %u)"), DEFAULT_ALERTS));
341 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)"));
342 strUsage += HelpMessageOpt("-blocknotify=<cmd>", _("Execute command when the best block changes (%s in cmd is replaced by block hash)"));
343 strUsage += HelpMessageOpt("-checkblocks=<n>", strprintf(_("How many blocks to check at startup (default: %u, 0 = all)"), 288));
344 strUsage += HelpMessageOpt("-checklevel=<n>", strprintf(_("How thorough the block verification of -checkblocks is (0-4, default: %u)"), 3));
345 strUsage += HelpMessageOpt("-conf=<file>", strprintf(_("Specify configuration file (default: %s)"), "zcash.conf"));
346 if (mode == HMM_BITCOIND)
349 strUsage += HelpMessageOpt("-daemon", _("Run in the background as a daemon and accept commands"));
352 strUsage += HelpMessageOpt("-datadir=<dir>", _("Specify data directory"));
353 strUsage += HelpMessageOpt("-exportdir=<dir>", _("Specify directory to be used when exporting data"));
354 strUsage += HelpMessageOpt("-dbcache=<n>", strprintf(_("Set database cache size in megabytes (%d to %d, default: %d)"), nMinDbCache, nMaxDbCache, nDefaultDbCache));
355 strUsage += HelpMessageOpt("-loadblock=<file>", _("Imports blocks from external blk000??.dat file") + " " + _("on startup"));
356 strUsage += HelpMessageOpt("-maxorphantx=<n>", strprintf(_("Keep at most <n> unconnectable transactions in memory (default: %u)"), DEFAULT_MAX_ORPHAN_TRANSACTIONS));
357 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)"));
358 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)"),
359 -GetNumCores(), MAX_SCRIPTCHECK_THREADS, DEFAULT_SCRIPTCHECK_THREADS));
361 strUsage += HelpMessageOpt("-pid=<file>", strprintf(_("Specify pid file (default: %s)"), "zcashd.pid"));
363 strUsage += HelpMessageOpt("-prune=<n>", strprintf(_("Reduce storage requirements by pruning (deleting) old blocks. This mode disables wallet support and is incompatible with -txindex. "
364 "Warning: Reverting this setting requires re-downloading the entire blockchain. "
365 "(default: 0 = disable pruning blocks, >%u = target size in MiB to use for block files)"), MIN_DISK_SPACE_FOR_BLOCK_FILES / 1024 / 1024));
366 strUsage += HelpMessageOpt("-reindex", _("Rebuild block chain index from current blk000??.dat files on startup"));
368 strUsage += HelpMessageOpt("-sysperms", _("Create new files with system default permissions, instead of umask 077 (only effective with disabled wallet functionality)"));
370 strUsage += HelpMessageOpt("-txindex", strprintf(_("Maintain a full transaction index, used by the getrawtransaction rpc call (default: %u)"), 0));
372 strUsage += HelpMessageGroup(_("Connection options:"));
373 strUsage += HelpMessageOpt("-addnode=<ip>", _("Add a node to connect to and attempt to keep the connection open"));
374 strUsage += HelpMessageOpt("-banscore=<n>", strprintf(_("Threshold for disconnecting misbehaving peers (default: %u)"), 100));
375 strUsage += HelpMessageOpt("-bantime=<n>", strprintf(_("Number of seconds to keep misbehaving peers from reconnecting (default: %u)"), 86400));
376 strUsage += HelpMessageOpt("-bind=<addr>", _("Bind to given address and always listen on it. Use [host]:port notation for IPv6"));
377 strUsage += HelpMessageOpt("-connect=<ip>", _("Connect only to the specified node(s)"));
378 strUsage += HelpMessageOpt("-discover", _("Discover own IP addresses (default: 1 when listening and no -externalip or -proxy)"));
379 strUsage += HelpMessageOpt("-dns", _("Allow DNS lookups for -addnode, -seednode and -connect") + " " + _("(default: 1)"));
380 strUsage += HelpMessageOpt("-dnsseed", _("Query for peer addresses via DNS lookup, if low on addresses (default: 1 unless -connect)"));
381 strUsage += HelpMessageOpt("-externalip=<ip>", _("Specify your own public address"));
382 strUsage += HelpMessageOpt("-forcednsseed", strprintf(_("Always query for peer addresses via DNS lookup (default: %u)"), 0));
383 strUsage += HelpMessageOpt("-listen", _("Accept connections from outside (default: 1 if no -proxy or -connect)"));
384 strUsage += HelpMessageOpt("-listenonion", strprintf(_("Automatically create Tor hidden service (default: %d)"), DEFAULT_LISTEN_ONION));
385 strUsage += HelpMessageOpt("-maxconnections=<n>", strprintf(_("Maintain at most <n> connections to peers (default: %u)"), DEFAULT_MAX_PEER_CONNECTIONS));
386 strUsage += HelpMessageOpt("-maxreceivebuffer=<n>", strprintf(_("Maximum per-connection receive buffer, <n>*1000 bytes (default: %u)"), 5000));
387 strUsage += HelpMessageOpt("-maxsendbuffer=<n>", strprintf(_("Maximum per-connection send buffer, <n>*1000 bytes (default: %u)"), 1000));
388 strUsage += HelpMessageOpt("-onion=<ip:port>", strprintf(_("Use separate SOCKS5 proxy to reach peers via Tor hidden services (default: %s)"), "-proxy"));
389 strUsage += HelpMessageOpt("-onlynet=<net>", _("Only connect to nodes in network <net> (ipv4, ipv6 or onion)"));
390 strUsage += HelpMessageOpt("-permitbaremultisig", strprintf(_("Relay non-P2SH multisig (default: %u)"), 1));
391 strUsage += HelpMessageOpt("-peerbloomfilters", strprintf(_("Support filtering of blocks and transaction with Bloom filters (default: %u)"), 1));
393 strUsage += HelpMessageOpt("-enforcenodebloom", strprintf("Enforce minimum protocol version to limit use of Bloom filters (default: %u)", 0));
394 strUsage += HelpMessageOpt("-port=<port>", strprintf(_("Listen for connections on <port> (default: %u or testnet: %u)"), 8233, 18233));
395 strUsage += HelpMessageOpt("-proxy=<ip:port>", _("Connect through SOCKS5 proxy"));
396 strUsage += HelpMessageOpt("-proxyrandomize", strprintf(_("Randomize credentials for every proxy connection. This enables Tor stream isolation (default: %u)"), 1));
397 strUsage += HelpMessageOpt("-seednode=<ip>", _("Connect to a node to retrieve peer addresses, and disconnect"));
398 strUsage += HelpMessageOpt("-timeout=<n>", strprintf(_("Specify connection timeout in milliseconds (minimum: 1, default: %d)"), DEFAULT_CONNECT_TIMEOUT));
399 strUsage += HelpMessageOpt("-torcontrol=<ip>:<port>", strprintf(_("Tor control port to use if onion listening enabled (default: %s)"), DEFAULT_TOR_CONTROL));
400 strUsage += HelpMessageOpt("-torpassword=<pass>", _("Tor control port password (default: empty)"));
401 strUsage += HelpMessageOpt("-whitebind=<addr>", _("Bind to given address and whitelist peers connecting to it. Use [host]:port notation for IPv6"));
402 strUsage += HelpMessageOpt("-whitelist=<netmask>", _("Whitelist peers connecting from the given netmask or IP address. Can be specified multiple times.") +
403 " " + _("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"));
406 strUsage += HelpMessageGroup(_("Wallet options:"));
407 strUsage += HelpMessageOpt("-disablewallet", _("Do not load the wallet and disable wallet RPC calls"));
408 strUsage += HelpMessageOpt("-keypool=<n>", strprintf(_("Set key pool size to <n> (default: %u)"), 100));
409 strUsage += HelpMessageOpt("-migration", _("Enable the Sprout to Sapling migration"));
410 strUsage += HelpMessageOpt("-migrationdestaddress=<zaddr>", _("Set the Sapling migration address"));
412 strUsage += HelpMessageOpt("-mintxfee=<amt>", strprintf("Fees (in %s/kB) smaller than this are considered zero fee for transaction creation (default: %s)",
413 CURRENCY_UNIT, FormatMoney(CWallet::minTxFee.GetFeePerK())));
414 strUsage += HelpMessageOpt("-paytxfee=<amt>", strprintf(_("Fee (in %s/kB) to add to transactions you send (default: %s)"),
415 CURRENCY_UNIT, FormatMoney(payTxFee.GetFeePerK())));
416 strUsage += HelpMessageOpt("-rescan", _("Rescan the block chain for missing wallet transactions") + " " + _("on startup"));
417 strUsage += HelpMessageOpt("-salvagewallet", _("Attempt to recover private keys from a corrupt wallet.dat") + " " + _("on startup"));
418 strUsage += HelpMessageOpt("-sendfreetransactions", strprintf(_("Send transactions as zero-fee transactions if possible (default: %u)"), 0));
419 strUsage += HelpMessageOpt("-spendzeroconfchange", strprintf(_("Spend unconfirmed change when sending transactions (default: %u)"), 1));
420 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));
421 strUsage += HelpMessageOpt("-txexpirydelta", strprintf(_("Set the number of blocks after which a transaction that has not been mined will become invalid (min: %u, default: %u (pre-Blossom) or %u (post-Blossom))"), TX_EXPIRING_SOON_THRESHOLD + 1, DEFAULT_PRE_BLOSSOM_TX_EXPIRY_DELTA, DEFAULT_POST_BLOSSOM_TX_EXPIRY_DELTA));
422 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)"),
423 CURRENCY_UNIT, FormatMoney(maxTxFee)));
424 strUsage += HelpMessageOpt("-upgradewallet", _("Upgrade wallet to latest format") + " " + _("on startup"));
425 strUsage += HelpMessageOpt("-wallet=<file>", _("Specify wallet file (within data directory)") + " " + strprintf(_("(default: %s)"), "wallet.dat"));
426 strUsage += HelpMessageOpt("-walletbroadcast", _("Make the wallet broadcast transactions") + " " + strprintf(_("(default: %u)"), true));
427 strUsage += HelpMessageOpt("-walletnotify=<cmd>", _("Execute command when a wallet transaction changes (%s in cmd is replaced by TxID)"));
428 strUsage += HelpMessageOpt("-zapwallettxes=<mode>", _("Delete all wallet transactions and only recover those parts of the blockchain through -rescan on startup") +
429 " " + _("(1 = keep tx meta data e.g. account owner and payment request information, 2 = drop tx meta data)"));
433 strUsage += HelpMessageGroup(_("ZeroMQ notification options:"));
434 strUsage += HelpMessageOpt("-zmqpubhashblock=<address>", _("Enable publish hash block in <address>"));
435 strUsage += HelpMessageOpt("-zmqpubhashtx=<address>", _("Enable publish hash transaction in <address>"));
436 strUsage += HelpMessageOpt("-zmqpubrawblock=<address>", _("Enable publish raw block in <address>"));
437 strUsage += HelpMessageOpt("-zmqpubrawtx=<address>", _("Enable publish raw transaction in <address>"));
441 strUsage += HelpMessageGroup(_("AMQP 1.0 notification options:"));
442 strUsage += HelpMessageOpt("-amqppubhashblock=<address>", _("Enable publish hash block in <address>"));
443 strUsage += HelpMessageOpt("-amqppubhashtx=<address>", _("Enable publish hash transaction in <address>"));
444 strUsage += HelpMessageOpt("-amqppubrawblock=<address>", _("Enable publish raw block in <address>"));
445 strUsage += HelpMessageOpt("-amqppubrawtx=<address>", _("Enable publish raw transaction in <address>"));
448 strUsage += HelpMessageGroup(_("Debugging/Testing options:"));
451 strUsage += HelpMessageOpt("-checkpoints", strprintf("Disable expensive verification for known chain history (default: %u)", 1));
452 strUsage += HelpMessageOpt("-dblogsize=<n>", strprintf("Flush database activity from memory pool to disk log every <n> megabytes (default: %u)", 100));
453 strUsage += HelpMessageOpt("-disablesafemode", strprintf("Disable safemode, override a real safe mode event (default: %u)", 0));
454 strUsage += HelpMessageOpt("-testsafemode", strprintf("Force safe mode (default: %u)", 0));
455 strUsage += HelpMessageOpt("-dropmessagestest=<n>", "Randomly drop 1 of every <n> network messages");
456 strUsage += HelpMessageOpt("-fuzzmessagestest=<n>", "Randomly fuzz 1 of every <n> network messages");
457 strUsage += HelpMessageOpt("-flushwallet", strprintf("Run a thread to flush wallet periodically (default: %u)", 1));
458 strUsage += HelpMessageOpt("-stopafterblockimport", strprintf("Stop running after importing blocks from disk (default: %u)", 0));
459 strUsage += HelpMessageOpt("-nuparams=hexBranchId:activationHeight", "Use given activation height for specified network upgrade (regtest-only)");
461 string debugCategories = "addrman, alert, bench, coindb, db, estimatefee, http, libevent, lock, mempool, net, partitioncheck, pow, proxy, prune, "
462 "rand, reindex, rpc, selectcoins, tor, zmq, zrpc, zrpcunsafe (implies zrpc)"; // Don't translate these
463 strUsage += HelpMessageOpt("-debug=<category>", strprintf(_("Output debugging information (default: %u, supplying <category> is optional)"), 0) + ". " +
464 _("If <category> is not supplied or if <category> = 1, output all debugging information.") + " " + _("<category> can be:") + " " + debugCategories + ".");
465 strUsage += HelpMessageOpt("-experimentalfeatures", _("Enable use of experimental features"));
466 strUsage += HelpMessageOpt("-help-debug", _("Show all debugging options (usage: --help -help-debug)"));
467 strUsage += HelpMessageOpt("-logips", strprintf(_("Include IP addresses in debug output (default: %u)"), 0));
468 strUsage += HelpMessageOpt("-logtimestamps", strprintf(_("Prepend debug output with timestamp (default: %u)"), 1));
471 strUsage += HelpMessageOpt("-limitfreerelay=<n>", strprintf("Continuously rate-limit free transactions to <n>*1000 bytes per minute (default: %u)", 15));
472 strUsage += HelpMessageOpt("-relaypriority", strprintf("Require high priority for relaying free or low-fee transactions (default: %u)", 0));
473 strUsage += HelpMessageOpt("-maxsigcachesize=<n>", strprintf("Limit size of signature cache to <n> MiB (default: %u)", DEFAULT_MAX_SIG_CACHE_SIZE));
474 strUsage += HelpMessageOpt("-maxtipage=<n>", strprintf("Maximum tip age in seconds to consider node in initial block download (default: %u)", DEFAULT_MAX_TIP_AGE));
476 strUsage += HelpMessageOpt("-minrelaytxfee=<amt>", strprintf(_("Fees (in %s/kB) smaller than this are considered zero fee for relaying (default: %s)"),
477 CURRENCY_UNIT, FormatMoney(::minRelayTxFee.GetFeePerK())));
478 strUsage += HelpMessageOpt("-printtoconsole", _("Send trace/debug info to console instead of debug.log file"));
481 strUsage += HelpMessageOpt("-printpriority", strprintf("Log transaction priority and fee per kB when mining blocks (default: %u)", 0));
482 strUsage += HelpMessageOpt("-privdb", strprintf("Sets the DB_PRIVATE flag in the wallet db environment (default: %u)", 1));
483 strUsage += HelpMessageOpt("-regtest", "Enter regression test mode, which uses a special chain in which blocks can be solved instantly. "
484 "This is intended for regression testing tools and app development.");
486 strUsage += HelpMessageOpt("-shrinkdebugfile", _("Shrink debug.log file on client startup (default: 1 when no -debug)"));
487 strUsage += HelpMessageOpt("-testnet", _("Use the test network"));
489 strUsage += HelpMessageGroup(_("Node relay options:"));
490 strUsage += HelpMessageOpt("-datacarrier", strprintf(_("Relay and mine data carrier transactions (default: %u)"), 1));
491 strUsage += HelpMessageOpt("-datacarriersize", strprintf(_("Maximum size of data in data carrier transactions we relay and mine (default: %u)"), MAX_OP_RETURN_RELAY));
493 strUsage += HelpMessageGroup(_("Block creation options:"));
494 strUsage += HelpMessageOpt("-blockminsize=<n>", strprintf(_("Set minimum block size in bytes (default: %u)"), 0));
495 strUsage += HelpMessageOpt("-blockmaxsize=<n>", strprintf(_("Set maximum block size in bytes (default: %d)"), DEFAULT_BLOCK_MAX_SIZE));
496 strUsage += HelpMessageOpt("-blockprioritysize=<n>", strprintf(_("Set maximum size of high-priority/low-fee transactions in bytes (default: %d)"), DEFAULT_BLOCK_PRIORITY_SIZE));
497 if (GetBoolArg("-help-debug", false))
498 strUsage += HelpMessageOpt("-blockversion=<n>", strprintf("Override block version to test forking scenarios (default: %d)", (int)CBlock::CURRENT_VERSION));
501 strUsage += HelpMessageGroup(_("Mining options:"));
502 strUsage += HelpMessageOpt("-gen", strprintf(_("Generate coins (default: %u)"), 0));
503 strUsage += HelpMessageOpt("-genproclimit=<n>", strprintf(_("Set the number of threads for coin generation if enabled (-1 = all cores, default: %d)"), 1));
504 strUsage += HelpMessageOpt("-equihashsolver=<name>", _("Specify the Equihash solver to be used if enabled (default: \"default\")"));
505 strUsage += HelpMessageOpt("-mineraddress=<addr>", _("Send mined coins to a specific single address"));
506 strUsage += HelpMessageOpt("-minetolocalwallet", strprintf(
507 _("Require that mined blocks use a coinbase address in the local wallet (default: %u)"),
516 strUsage += HelpMessageGroup(_("RPC server options:"));
517 strUsage += HelpMessageOpt("-server", _("Accept command line and JSON-RPC commands"));
518 strUsage += HelpMessageOpt("-rest", strprintf(_("Accept public REST requests (default: %u)"), 0));
519 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)"));
520 strUsage += HelpMessageOpt("-rpcuser=<user>", _("Username for JSON-RPC connections"));
521 strUsage += HelpMessageOpt("-rpcpassword=<pw>", _("Password for JSON-RPC connections"));
522 strUsage += HelpMessageOpt("-rpcport=<port>", strprintf(_("Listen for JSON-RPC connections on <port> (default: %u or testnet: %u)"), 8232, 18232));
523 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"));
524 strUsage += HelpMessageOpt("-rpcthreads=<n>", strprintf(_("Set the number of threads to service RPC calls (default: %d)"), DEFAULT_HTTP_THREADS));
526 strUsage += HelpMessageOpt("-rpcworkqueue=<n>", strprintf("Set the depth of the work queue to service RPC calls (default: %d)", DEFAULT_HTTP_WORKQUEUE));
527 strUsage += HelpMessageOpt("-rpcservertimeout=<n>", strprintf("Timeout during HTTP requests (default: %d)", DEFAULT_HTTP_SERVER_TIMEOUT));
530 // Disabled until we can lock notes and also tune performance of libsnark which by default uses multiple threads
531 //strUsage += HelpMessageOpt("-rpcasyncthreads=<n>", strprintf(_("Set the number of threads to service Async RPC calls (default: %d)"), 1));
533 if (mode == HMM_BITCOIND) {
534 strUsage += HelpMessageGroup(_("Metrics Options (only if -daemon and -printtoconsole are not set):"));
535 strUsage += HelpMessageOpt("-showmetrics", _("Show metrics on stdout (default: 1 if running in a console, 0 otherwise)"));
536 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)"));
537 strUsage += HelpMessageOpt("-metricsrefreshtime", strprintf(_("Number of seconds between metrics refreshes (default: %u if running in a console, %u otherwise)"), 1, 600));
543 static void BlockNotifyCallback(const uint256& hashNewTip)
545 std::string strCmd = GetArg("-blocknotify", "");
547 boost::replace_all(strCmd, "%s", hashNewTip.GetHex());
548 boost::thread t(runCommand, strCmd); // thread runs free
554 assert(fImporting == false);
559 assert(fImporting == true);
565 // If we're using -prune with -reindex, then delete block files that will be ignored by the
566 // reindex. Since reindexing works by starting at block file 0 and looping until a blockfile
567 // is missing, do the same here to delete any later block files after a gap. Also delete all
568 // rev files since they'll be rewritten by the reindex anyway. This ensures that vinfoBlockFile
569 // is in sync with what's actually on disk by the time we start downloading, so that pruning
571 void CleanupBlockRevFiles()
573 using namespace boost::filesystem;
574 map<string, path> mapBlockFiles;
576 // Glob all blk?????.dat and rev?????.dat files from the blocks directory.
577 // Remove the rev files immediately and insert the blk file paths into an
578 // ordered map keyed by block file index.
579 LogPrintf("Removing unusable blk?????.dat and rev?????.dat files for -reindex with -prune\n");
580 path blocksdir = GetDataDir() / "blocks";
581 for (directory_iterator it(blocksdir); it != directory_iterator(); it++) {
582 if (is_regular_file(*it) &&
583 it->path().filename().string().length() == 12 &&
584 it->path().filename().string().substr(8,4) == ".dat")
586 if (it->path().filename().string().substr(0,3) == "blk")
587 mapBlockFiles[it->path().filename().string().substr(3,5)] = it->path();
588 else if (it->path().filename().string().substr(0,3) == "rev")
593 // Remove all block files that aren't part of a contiguous set starting at
594 // zero by walking the ordered map (keys are block file indices) by
595 // keeping a separate counter. Once we hit a gap (or if 0 doesn't exist)
596 // start removing block files.
597 int nContigCounter = 0;
598 BOOST_FOREACH(const PAIRTYPE(string, path)& item, mapBlockFiles) {
599 if (atoi(item.first) == nContigCounter) {
607 void ThreadImport(std::vector<boost::filesystem::path> vImportFiles)
609 const CChainParams& chainparams = Params();
610 RenameThread("zcash-loadblk");
616 CDiskBlockPos pos(nFile, 0);
617 if (!boost::filesystem::exists(GetBlockPosFilename(pos, "blk")))
618 break; // No block files left to reindex
619 FILE *file = OpenBlockFile(pos, true);
621 break; // This error is logged in OpenBlockFile
622 LogPrintf("Reindexing block file blk%05u.dat...\n", (unsigned int)nFile);
623 LoadExternalBlockFile(chainparams, file, &pos);
626 pblocktree->WriteReindexing(false);
628 LogPrintf("Reindexing finished\n");
629 // To avoid ending up in a situation without genesis block, re-try initializing (no-op if reindexing worked):
630 InitBlockIndex(chainparams);
633 // hardcoded $DATADIR/bootstrap.dat
634 boost::filesystem::path pathBootstrap = GetDataDir() / "bootstrap.dat";
635 if (boost::filesystem::exists(pathBootstrap)) {
636 FILE *file = fopen(pathBootstrap.string().c_str(), "rb");
639 boost::filesystem::path pathBootstrapOld = GetDataDir() / "bootstrap.dat.old";
640 LogPrintf("Importing bootstrap.dat...\n");
641 LoadExternalBlockFile(chainparams, file);
642 RenameOver(pathBootstrap, pathBootstrapOld);
644 LogPrintf("Warning: Could not open bootstrap file %s\n", pathBootstrap.string());
649 BOOST_FOREACH(const boost::filesystem::path& path, vImportFiles) {
650 FILE *file = fopen(path.string().c_str(), "rb");
653 LogPrintf("Importing blocks file %s...\n", path.string());
654 LoadExternalBlockFile(chainparams, file);
656 LogPrintf("Warning: Could not open blocks file %s\n", path.string());
660 if (GetBoolArg("-stopafterblockimport", false)) {
661 LogPrintf("Stopping after block import\n");
666 void ThreadNotifyRecentlyAdded()
669 // Run the notifier on an integer second in the steady clock.
670 auto now = std::chrono::steady_clock::now().time_since_epoch();
671 auto nextFire = std::chrono::duration_cast<std::chrono::seconds>(
672 now + std::chrono::seconds(1));
673 std::this_thread::sleep_until(
674 std::chrono::time_point<std::chrono::steady_clock>(nextFire));
676 boost::this_thread::interruption_point();
678 mempool.NotifyRecentlyAdded();
683 * Ensure that Bitcoin is running in a usable environment with all
684 * necessary library support.
686 bool InitSanityCheck(void)
688 if(!ECC_InitSanityCheck()) {
689 InitError("Elliptic curve cryptography sanity check failure. Aborting.");
692 if (!glibc_sanity_test() || !glibcxx_sanity_test())
699 static void ZC_LoadParams(
700 const CChainParams& chainparams
703 struct timeval tv_start, tv_end;
706 boost::filesystem::path pk_path = ZC_GetParamsDir() / "sprout-proving.key";
707 boost::filesystem::path vk_path = ZC_GetParamsDir() / "sprout-verifying.key";
708 boost::filesystem::path sapling_spend = ZC_GetParamsDir() / "sapling-spend.params";
709 boost::filesystem::path sapling_output = ZC_GetParamsDir() / "sapling-output.params";
710 boost::filesystem::path sprout_groth16 = ZC_GetParamsDir() / "sprout-groth16.params";
713 boost::filesystem::exists(pk_path) &&
714 boost::filesystem::exists(vk_path) &&
715 boost::filesystem::exists(sapling_spend) &&
716 boost::filesystem::exists(sapling_output) &&
717 boost::filesystem::exists(sprout_groth16)
719 uiInterface.ThreadSafeMessageBox(strprintf(
720 _("Cannot find the Zcash network parameters in the following directory:\n"
722 "Please run 'zcash-fetch-params' or './zcutil/fetch-params.sh' and then restart."),
724 "", CClientUIInterface::MSG_ERROR);
729 LogPrintf("Loading verifying key from %s\n", vk_path.string().c_str());
730 gettimeofday(&tv_start, 0);
732 pzcashParams = ZCJoinSplit::Prepared(vk_path.string(), pk_path.string());
734 gettimeofday(&tv_end, 0);
735 elapsed = float(tv_end.tv_sec-tv_start.tv_sec) + (tv_end.tv_usec-tv_start.tv_usec)/float(1000000);
736 LogPrintf("Loaded verifying key in %fs seconds.\n", elapsed);
739 sizeof(boost::filesystem::path::value_type) == sizeof(codeunit),
740 "librustzcash not configured correctly");
741 auto sapling_spend_str = sapling_spend.native();
742 auto sapling_output_str = sapling_output.native();
743 auto sprout_groth16_str = sprout_groth16.native();
745 LogPrintf("Loading Sapling (Spend) parameters from %s\n", sapling_spend.string().c_str());
746 LogPrintf("Loading Sapling (Output) parameters from %s\n", sapling_output.string().c_str());
747 LogPrintf("Loading Sapling (Sprout Groth16) parameters from %s\n", sprout_groth16.string().c_str());
748 gettimeofday(&tv_start, 0);
750 librustzcash_init_zksnark_params(
751 reinterpret_cast<const codeunit*>(sapling_spend_str.c_str()),
752 sapling_spend_str.length(),
753 "8270785a1a0d0bc77196f000ee6d221c9c9894f55307bd9357c3f0105d31ca63991ab91324160d8f53e2bbd3c2633a6eb8bdf5205d822e7f3f73edac51b2b70c",
754 reinterpret_cast<const codeunit*>(sapling_output_str.c_str()),
755 sapling_output_str.length(),
756 "657e3d38dbb5cb5e7dd2970e8b03d69b4787dd907285b5a7f0790dcc8072f60bf593b32cc2d1c030e00ff5ae64bf84c5c3beb84ddc841d48264b4a171744d028",
757 reinterpret_cast<const codeunit*>(sprout_groth16_str.c_str()),
758 sprout_groth16_str.length(),
759 "e9b238411bd6c0ec4791e9d04245ec350c9c5744f5610dfcce4365d5ca49dfefd5054e371842b3f88fa1b9d7e8e075249b3ebabd167fa8b0f3161292d36c180a"
762 gettimeofday(&tv_end, 0);
763 elapsed = float(tv_end.tv_sec-tv_start.tv_sec) + (tv_end.tv_usec-tv_start.tv_usec)/float(1000000);
764 LogPrintf("Loaded Sapling parameters in %fs seconds.\n", elapsed);
767 bool AppInitServers(boost::thread_group& threadGroup)
769 RPCServer::OnStopped(&OnRPCStopped);
770 RPCServer::OnPreCommand(&OnRPCPreCommand);
771 if (!InitHTTPServer())
777 if (GetBoolArg("-rest", false) && !StartREST())
779 if (!StartHTTPServer())
784 /** Initialize bitcoin.
785 * @pre Parameters should be parsed and config file should be read.
787 bool AppInit2(boost::thread_group& threadGroup, CScheduler& scheduler)
789 // ********************************************************* Step 1: setup
791 // Turn off Microsoft heap dump noise
792 _CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE);
793 _CrtSetReportFile(_CRT_WARN, CreateFileA("NUL", GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0));
796 // Disable confusing "helpful" text message on abort, Ctrl-C
797 _set_abort_behavior(0, _WRITE_ABORT_MSG | _CALL_REPORTFAULT);
800 // Enable Data Execution Prevention (DEP)
801 // Minimum supported OS versions: WinXP SP3, WinVista >= SP1, Win Server 2008
802 // A failure is non-critical and needs no further attention!
803 #ifndef PROCESS_DEP_ENABLE
804 // We define this here, because GCCs winbase.h limits this to _WIN32_WINNT >= 0x0601 (Windows 7),
805 // which is not correct. Can be removed, when GCCs winbase.h is fixed!
806 #define PROCESS_DEP_ENABLE 0x00000001
808 typedef BOOL (WINAPI *PSETPROCDEPPOL)(DWORD);
809 PSETPROCDEPPOL setProcDEPPol = (PSETPROCDEPPOL)GetProcAddress(GetModuleHandleA("Kernel32.dll"), "SetProcessDEPPolicy");
810 if (setProcDEPPol != NULL) setProcDEPPol(PROCESS_DEP_ENABLE);
813 if (!SetupNetworking())
814 return InitError("Error: Initializing networking failed");
817 if (GetBoolArg("-sysperms", false)) {
819 if (!GetBoolArg("-disablewallet", false))
820 return InitError("Error: -sysperms is not allowed in combination with enabled wallet functionality");
826 // Clean shutdown on SIGTERM
828 sa.sa_handler = HandleSIGTERM;
829 sigemptyset(&sa.sa_mask);
831 sigaction(SIGTERM, &sa, NULL);
832 sigaction(SIGINT, &sa, NULL);
834 // Reopen debug.log on SIGHUP
835 struct sigaction sa_hup;
836 sa_hup.sa_handler = HandleSIGHUP;
837 sigemptyset(&sa_hup.sa_mask);
839 sigaction(SIGHUP, &sa_hup, NULL);
841 // Ignore SIGPIPE, otherwise it will bring the daemon down if the client closes unexpectedly
842 signal(SIGPIPE, SIG_IGN);
845 std::set_new_handler(new_handler_terminate);
847 // ********************************************************* Step 2: parameter interactions
848 const CChainParams& chainparams = Params();
850 // Set this early so that experimental features are correctly enabled/disabled
851 fExperimentalMode = GetBoolArg("-experimentalfeatures", false);
853 // Fail early if user has set experimental options without the global flag
854 if (!fExperimentalMode) {
855 if (mapArgs.count("-developerencryptwallet")) {
856 return InitError(_("Wallet encryption requires -experimentalfeatures."));
857 } else if (mapArgs.count("-developersetpoolsizezero")) {
858 return InitError(_("Setting the size of shielded pools to zero requires -experimentalfeatures."));
859 } else if (mapArgs.count("-paymentdisclosure")) {
860 return InitError(_("Payment disclosure requires -experimentalfeatures."));
861 } else if (mapArgs.count("-zmergetoaddress")) {
862 return InitError(_("RPC method z_mergetoaddress requires -experimentalfeatures."));
863 } else if (mapArgs.count("-savesproutr1cs")) {
864 return InitError(_("Saving the Sprout R1CS requires -experimentalfeatures."));
865 } else if (mapArgs.count("-insightexplorer")) {
866 return InitError(_("Insight explorer requires -experimentalfeatures."));
870 // Set this early so that parameter interactions go to console
871 fPrintToConsole = GetBoolArg("-printtoconsole", false);
872 fLogTimestamps = GetBoolArg("-logtimestamps", true);
873 fLogIPs = GetBoolArg("-logips", false);
875 LogPrintf("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n");
876 LogPrintf("Zcash version %s (%s)\n", FormatFullVersion(), CLIENT_DATE);
878 // when specifying an explicit binding address, you want to listen on it
879 // even when -connect or -proxy is specified
880 if (mapArgs.count("-bind")) {
881 if (SoftSetBoolArg("-listen", true))
882 LogPrintf("%s: parameter interaction: -bind set -> setting -listen=1\n", __func__);
884 if (mapArgs.count("-whitebind")) {
885 if (SoftSetBoolArg("-listen", true))
886 LogPrintf("%s: parameter interaction: -whitebind set -> setting -listen=1\n", __func__);
889 if (mapArgs.count("-connect") && mapMultiArgs["-connect"].size() > 0) {
890 // when only connecting to trusted nodes, do not seed via DNS, or listen by default
891 if (SoftSetBoolArg("-dnsseed", false))
892 LogPrintf("%s: parameter interaction: -connect set -> setting -dnsseed=0\n", __func__);
893 if (SoftSetBoolArg("-listen", false))
894 LogPrintf("%s: parameter interaction: -connect set -> setting -listen=0\n", __func__);
897 if (mapArgs.count("-proxy")) {
898 // to protect privacy, do not listen by default if a default proxy server is specified
899 if (SoftSetBoolArg("-listen", false))
900 LogPrintf("%s: parameter interaction: -proxy set -> setting -listen=0\n", __func__);
901 // to protect privacy, do not discover addresses by default
902 if (SoftSetBoolArg("-discover", false))
903 LogPrintf("%s: parameter interaction: -proxy set -> setting -discover=0\n", __func__);
906 if (!GetBoolArg("-listen", DEFAULT_LISTEN)) {
907 // do not try to retrieve public IP when not listening (pointless)
908 if (SoftSetBoolArg("-discover", false))
909 LogPrintf("%s: parameter interaction: -listen=0 -> setting -discover=0\n", __func__);
910 if (SoftSetBoolArg("-listenonion", false))
911 LogPrintf("%s: parameter interaction: -listen=0 -> setting -listenonion=0\n", __func__);
914 if (mapArgs.count("-externalip")) {
915 // if an explicit public IP is specified, do not try to find others
916 if (SoftSetBoolArg("-discover", false))
917 LogPrintf("%s: parameter interaction: -externalip set -> setting -discover=0\n", __func__);
920 if (GetBoolArg("-salvagewallet", false)) {
921 // Rewrite just private keys: rescan to find transactions
922 if (SoftSetBoolArg("-rescan", true))
923 LogPrintf("%s: parameter interaction: -salvagewallet=1 -> setting -rescan=1\n", __func__);
926 // -zapwallettx implies a rescan
927 if (GetBoolArg("-zapwallettxes", false)) {
928 if (SoftSetBoolArg("-rescan", true))
929 LogPrintf("%s: parameter interaction: -zapwallettxes=<mode> -> setting -rescan=1\n", __func__);
932 // Make sure enough file descriptors are available
933 int nBind = std::max((int)mapArgs.count("-bind") + (int)mapArgs.count("-whitebind"), 1);
934 nMaxConnections = GetArg("-maxconnections", DEFAULT_MAX_PEER_CONNECTIONS);
935 nMaxConnections = std::max(std::min(nMaxConnections, (int)(FD_SETSIZE - nBind - MIN_CORE_FILEDESCRIPTORS)), 0);
936 int nFD = RaiseFileDescriptorLimit(nMaxConnections + MIN_CORE_FILEDESCRIPTORS);
937 if (nFD < MIN_CORE_FILEDESCRIPTORS)
938 return InitError(_("Not enough file descriptors available."));
939 if (nFD - MIN_CORE_FILEDESCRIPTORS < nMaxConnections)
940 nMaxConnections = nFD - MIN_CORE_FILEDESCRIPTORS;
942 // if using block pruning, then disable txindex
943 // also disable the wallet (for now, until SPV support is implemented in wallet)
944 if (GetArg("-prune", 0)) {
945 if (GetBoolArg("-txindex", false))
946 return InitError(_("Prune mode is incompatible with -txindex."));
948 if (!GetBoolArg("-disablewallet", false)) {
949 if (SoftSetBoolArg("-disablewallet", true))
950 LogPrintf("%s : parameter interaction: -prune -> setting -disablewallet=1\n", __func__);
952 return InitError(_("Can't run with a wallet in prune mode."));
957 // ********************************************************* Step 3: parameter-to-internal-flags
959 fDebug = !mapMultiArgs["-debug"].empty();
960 // Special-case: if -debug=0/-nodebug is set, turn off debugging messages
961 const vector<string>& categories = mapMultiArgs["-debug"];
962 if (GetBoolArg("-nodebug", false) || find(categories.begin(), categories.end(), string("0")) != categories.end())
965 // Special case: if debug=zrpcunsafe, implies debug=zrpc, so add it to debug categories
966 if (find(categories.begin(), categories.end(), string("zrpcunsafe")) != categories.end()) {
967 if (find(categories.begin(), categories.end(), string("zrpc")) == categories.end()) {
968 LogPrintf("%s: parameter interaction: setting -debug=zrpcunsafe -> -debug=zrpc\n", __func__);
969 vector<string>& v = mapMultiArgs["-debug"];
974 // Check for -debugnet
975 if (GetBoolArg("-debugnet", false))
976 InitWarning(_("Warning: Unsupported argument -debugnet ignored, use -debug=net."));
977 // Check for -socks - as this is a privacy risk to continue, exit here
978 if (mapArgs.count("-socks"))
979 return InitError(_("Error: Unsupported argument -socks found. Setting SOCKS version isn't possible anymore, only SOCKS5 proxies are supported."));
980 // Check for -tor - as this is a privacy risk to continue, exit here
981 if (GetBoolArg("-tor", false))
982 return InitError(_("Error: Unsupported argument -tor found, use -onion."));
984 if (GetBoolArg("-benchmark", false))
985 InitWarning(_("Warning: Unsupported argument -benchmark ignored, use -debug=bench."));
987 // Checkmempool and checkblockindex default to true in regtest mode
988 int ratio = std::min<int>(std::max<int>(GetArg("-checkmempool", chainparams.DefaultConsistencyChecks() ? 1 : 0), 0), 1000000);
990 mempool.setSanityCheck(1.0 / ratio);
992 fCheckBlockIndex = GetBoolArg("-checkblockindex", chainparams.DefaultConsistencyChecks());
993 fCheckpointsEnabled = GetBoolArg("-checkpoints", true);
995 // -par=0 means autodetect, but nScriptCheckThreads==0 means no concurrency
996 nScriptCheckThreads = GetArg("-par", DEFAULT_SCRIPTCHECK_THREADS);
997 if (nScriptCheckThreads <= 0)
998 nScriptCheckThreads += GetNumCores();
999 if (nScriptCheckThreads <= 1)
1000 nScriptCheckThreads = 0;
1001 else if (nScriptCheckThreads > MAX_SCRIPTCHECK_THREADS)
1002 nScriptCheckThreads = MAX_SCRIPTCHECK_THREADS;
1004 fServer = GetBoolArg("-server", false);
1006 // block pruning; get the amount of disk space (in MB) to allot for block & undo files
1007 int64_t nSignedPruneTarget = GetArg("-prune", 0) * 1024 * 1024;
1008 if (nSignedPruneTarget < 0) {
1009 return InitError(_("Prune cannot be configured with a negative value."));
1011 nPruneTarget = (uint64_t) nSignedPruneTarget;
1013 if (nPruneTarget < MIN_DISK_SPACE_FOR_BLOCK_FILES) {
1014 return InitError(strprintf(_("Prune configured below the minimum of %d MB. Please use a higher number."), MIN_DISK_SPACE_FOR_BLOCK_FILES / 1024 / 1024));
1016 LogPrintf("Prune configured to target %uMiB on disk for block and undo files.\n", nPruneTarget / 1024 / 1024);
1020 RegisterAllCoreRPCCommands(tableRPC);
1021 #ifdef ENABLE_WALLET
1022 bool fDisableWallet = GetBoolArg("-disablewallet", false);
1023 if (!fDisableWallet)
1024 RegisterWalletRPCCommands(tableRPC);
1027 nConnectTimeout = GetArg("-timeout", DEFAULT_CONNECT_TIMEOUT);
1028 if (nConnectTimeout <= 0)
1029 nConnectTimeout = DEFAULT_CONNECT_TIMEOUT;
1031 // Fee-per-kilobyte amount considered the same as "free"
1032 // If you are mining, be careful setting this:
1033 // if you set it to zero then
1034 // a transaction spammer can cheaply fill blocks using
1035 // 1-satoshi-fee transactions. It should be set above the real
1036 // cost to you of processing a transaction.
1037 if (mapArgs.count("-minrelaytxfee"))
1040 if (ParseMoney(mapArgs["-minrelaytxfee"], n) && n > 0)
1041 ::minRelayTxFee = CFeeRate(n);
1043 return InitError(strprintf(_("Invalid amount for -minrelaytxfee=<amount>: '%s'"), mapArgs["-minrelaytxfee"]));
1046 #ifdef ENABLE_WALLET
1047 if (mapArgs.count("-mintxfee"))
1050 if (ParseMoney(mapArgs["-mintxfee"], n) && n > 0)
1051 CWallet::minTxFee = CFeeRate(n);
1053 return InitError(strprintf(_("Invalid amount for -mintxfee=<amount>: '%s'"), mapArgs["-mintxfee"]));
1055 if (mapArgs.count("-paytxfee"))
1057 CAmount nFeePerK = 0;
1058 if (!ParseMoney(mapArgs["-paytxfee"], nFeePerK))
1059 return InitError(strprintf(_("Invalid amount for -paytxfee=<amount>: '%s'"), mapArgs["-paytxfee"]));
1060 if (nFeePerK > nHighTransactionFeeWarning)
1061 InitWarning(_("Warning: -paytxfee is set very high! This is the transaction fee you will pay if you send a transaction."));
1062 payTxFee = CFeeRate(nFeePerK, 1000);
1063 if (payTxFee < ::minRelayTxFee)
1065 return InitError(strprintf(_("Invalid amount for -paytxfee=<amount>: '%s' (must be at least %s)"),
1066 mapArgs["-paytxfee"], ::minRelayTxFee.ToString()));
1069 if (mapArgs.count("-maxtxfee"))
1071 CAmount nMaxFee = 0;
1072 if (!ParseMoney(mapArgs["-maxtxfee"], nMaxFee))
1073 return InitError(strprintf(_("Invalid amount for -maxtxfee=<amount>: '%s'"), mapArgs["-maptxfee"]));
1074 if (nMaxFee > nHighTransactionMaxFeeWarning)
1075 InitWarning(_("Warning: -maxtxfee is set very high! Fees this large could be paid on a single transaction."));
1077 if (CFeeRate(maxTxFee, 1000) < ::minRelayTxFee)
1079 return InitError(strprintf(_("Invalid amount for -maxtxfee=<amount>: '%s' (must be at least the minrelay fee of %s to prevent stuck transactions)"),
1080 mapArgs["-maxtxfee"], ::minRelayTxFee.ToString()));
1083 nTxConfirmTarget = GetArg("-txconfirmtarget", DEFAULT_TX_CONFIRM_TARGET);
1084 if (mapArgs.count("-txexpirydelta")) {
1085 int64_t expiryDelta = atoi64(mapArgs["-txexpirydelta"]);
1086 uint32_t minExpiryDelta = TX_EXPIRING_SOON_THRESHOLD + 1;
1087 if (expiryDelta < minExpiryDelta) {
1088 return InitError(strprintf(_("Invalid value for -txexpirydelta='%u' (must be least %u)"), expiryDelta, minExpiryDelta));
1090 expiryDeltaArg = expiryDelta;
1092 bSpendZeroConfChange = GetBoolArg("-spendzeroconfchange", true);
1093 fSendFreeTransactions = GetBoolArg("-sendfreetransactions", false);
1095 std::string strWalletFile = GetArg("-wallet", "wallet.dat");
1096 // Check Sapling migration address if set and is a valid Sapling address
1097 if (mapArgs.count("-migrationdestaddress")) {
1098 std::string migrationDestAddress = mapArgs["-migrationdestaddress"];
1099 libzcash::PaymentAddress address = DecodePaymentAddress(migrationDestAddress);
1100 if (boost::get<libzcash::SaplingPaymentAddress>(&address) == nullptr) {
1101 return InitError(_("-migrationdestaddress must be a valid Sapling address."));
1104 #endif // ENABLE_WALLET
1106 fIsBareMultisigStd = GetBoolArg("-permitbaremultisig", true);
1107 nMaxDatacarrierBytes = GetArg("-datacarriersize", nMaxDatacarrierBytes);
1109 fAlerts = GetBoolArg("-alerts", DEFAULT_ALERTS);
1111 // Option to startup with mocktime set (used for regression testing):
1112 SetMockTime(GetArg("-mocktime", 0)); // SetMockTime(0) is a no-op
1114 if (GetBoolArg("-peerbloomfilters", true))
1115 nLocalServices |= NODE_BLOOM;
1117 nMaxTipAge = GetArg("-maxtipage", DEFAULT_MAX_TIP_AGE);
1119 #ifdef ENABLE_MINING
1120 if (mapArgs.count("-mineraddress")) {
1121 CTxDestination addr = DecodeDestination(mapArgs["-mineraddress"]);
1122 if (!IsValidDestination(addr)) {
1123 return InitError(strprintf(
1124 _("Invalid address for -mineraddress=<addr>: '%s' (must be a transparent address)"),
1125 mapArgs["-mineraddress"]));
1130 // Default value of 0 for mempooltxinputlimit means no limit is applied
1131 if (mapArgs.count("-mempooltxinputlimit")) {
1132 int64_t limit = GetArg("-mempooltxinputlimit", 0);
1134 return InitError(_("Mempool limit on transparent inputs to a transaction cannot be negative"));
1135 } else if (limit > 0) {
1136 LogPrintf("Mempool configured to reject transactions with greater than %lld transparent inputs\n", limit);
1140 if (!mapMultiArgs["-nuparams"].empty()) {
1141 // Allow overriding network upgrade parameters for testing
1142 if (Params().NetworkIDString() != "regtest") {
1143 return InitError("Network upgrade parameters may only be overridden on regtest.");
1145 const vector<string>& deployments = mapMultiArgs["-nuparams"];
1146 for (auto i : deployments) {
1147 std::vector<std::string> vDeploymentParams;
1148 boost::split(vDeploymentParams, i, boost::is_any_of(":"));
1149 if (vDeploymentParams.size() != 2) {
1150 return InitError("Network upgrade parameters malformed, expecting hexBranchId:activationHeight");
1152 int nActivationHeight;
1153 if (!ParseInt32(vDeploymentParams[1], &nActivationHeight)) {
1154 return InitError(strprintf("Invalid nActivationHeight (%s)", vDeploymentParams[1]));
1157 // Exclude Sprout from upgrades
1158 for (auto i = Consensus::BASE_SPROUT + 1; i < Consensus::MAX_NETWORK_UPGRADES; ++i)
1160 if (vDeploymentParams[0].compare(HexInt(NetworkUpgradeInfo[i].nBranchId)) == 0) {
1161 UpdateNetworkUpgradeParameters(Consensus::UpgradeIndex(i), nActivationHeight);
1163 LogPrintf("Setting network upgrade activation parameters for %s to height=%d\n", vDeploymentParams[0], nActivationHeight);
1168 return InitError(strprintf("Invalid network upgrade (%s)", vDeploymentParams[0]));
1173 // ********************************************************* Step 4: application initialization: dir lock, daemonize, pidfile, debug log
1175 // Initialize libsodium
1176 if (init_and_check_sodium() == -1) {
1180 // Initialize elliptic curve code
1182 globalVerifyHandle.reset(new ECCVerifyHandle());
1185 if (!InitSanityCheck())
1186 return InitError(_("Initialization sanity check failed. Zcash is shutting down."));
1188 std::string strDataDir = GetDataDir().string();
1189 #ifdef ENABLE_WALLET
1190 // Wallet file must be a plain filename without a directory
1191 if (strWalletFile != boost::filesystem::basename(strWalletFile) + boost::filesystem::extension(strWalletFile))
1192 return InitError(strprintf(_("Wallet %s resides outside data directory %s"), strWalletFile, strDataDir));
1194 // Make sure only a single Bitcoin process is using the data directory.
1195 boost::filesystem::path pathLockFile = GetDataDir() / ".lock";
1196 FILE* file = fopen(pathLockFile.string().c_str(), "a"); // empty lock file; created if it doesn't exist.
1197 if (file) fclose(file);
1200 static boost::interprocess::file_lock lock(pathLockFile.string().c_str());
1201 if (!lock.try_lock())
1202 return InitError(strprintf(_("Cannot obtain a lock on data directory %s. Zcash is probably already running."), strDataDir));
1203 } catch(const boost::interprocess::interprocess_exception& e) {
1204 return InitError(strprintf(_("Cannot obtain a lock on data directory %s. Zcash is probably already running.") + " %s.", strDataDir, e.what()));
1208 CreatePidFile(GetPidFile(), getpid());
1210 if (GetBoolArg("-shrinkdebugfile", !fDebug))
1213 if (fPrintToDebugLog)
1216 LogPrintf("Using OpenSSL version %s\n", SSLeay_version(SSLEAY_VERSION));
1217 #ifdef ENABLE_WALLET
1218 LogPrintf("Using BerkeleyDB version %s\n", DbEnv::version(0, 0, 0));
1220 if (!fLogTimestamps)
1221 LogPrintf("Startup time: %s\n", DateTimeStrFormat("%Y-%m-%d %H:%M:%S", GetTime()));
1222 LogPrintf("Default data directory %s\n", GetDefaultDataDir().string());
1223 LogPrintf("Using data directory %s\n", strDataDir);
1224 LogPrintf("Using config file %s\n", GetConfigFile().string());
1225 LogPrintf("Using at most %i connections (%i file descriptors available)\n", nMaxConnections, nFD);
1226 std::ostringstream strErrors;
1228 LogPrintf("Using %u threads for script verification\n", nScriptCheckThreads);
1229 if (nScriptCheckThreads) {
1230 for (int i=0; i<nScriptCheckThreads-1; i++)
1231 threadGroup.create_thread(&ThreadScriptCheck);
1234 // Start the lightweight task scheduler thread
1235 CScheduler::Function serviceLoop = boost::bind(&CScheduler::serviceQueue, &scheduler);
1236 threadGroup.create_thread(boost::bind(&TraceThread<CScheduler::Function>, "scheduler", serviceLoop));
1241 if ((chainparams.NetworkIDString() != "regtest") &&
1242 GetBoolArg("-showmetrics", isatty(STDOUT_FILENO)) &&
1243 !fPrintToConsole && !GetBoolArg("-daemon", false)) {
1244 // Start the persistent metrics interface
1245 ConnectMetricsScreen();
1246 threadGroup.create_thread(&ThreadShowMetricsScreen);
1249 // These must be disabled for now, they are buggy and we probably don't
1250 // want any of libsnark's profiling in production anyway.
1251 libsnark::inhibit_profiling_info = true;
1252 libsnark::inhibit_profiling_counters = true;
1254 // Initialize Zcash circuit parameters
1255 ZC_LoadParams(chainparams);
1257 if (GetBoolArg("-savesproutr1cs", false)) {
1258 boost::filesystem::path r1cs_path = ZC_GetParamsDir() / "r1cs";
1260 LogPrintf("Saving Sprout R1CS to %s\n", r1cs_path.string());
1262 pzcashParams->saveR1CS(r1cs_path.string());
1265 /* Start the RPC server already. It will be started in "warmup" mode
1266 * and not really process calls already (but it will signify connections
1267 * that the server is there and will be ready later). Warmup mode will
1268 * be disabled when initialisation is finished.
1272 uiInterface.InitMessage.connect(SetRPCWarmupStatus);
1273 if (!AppInitServers(threadGroup))
1274 return InitError(_("Unable to start HTTP server. See debug log for details."));
1279 // ********************************************************* Step 5: verify wallet database integrity
1280 #ifdef ENABLE_WALLET
1281 if (!fDisableWallet) {
1282 LogPrintf("Using wallet %s\n", strWalletFile);
1283 uiInterface.InitMessage(_("Verifying wallet..."));
1285 std::string warningString;
1286 std::string errorString;
1288 if (!CWallet::Verify(strWalletFile, warningString, errorString))
1291 if (!warningString.empty())
1292 InitWarning(warningString);
1293 if (!errorString.empty())
1294 return InitError(warningString);
1296 } // (!fDisableWallet)
1297 #endif // ENABLE_WALLET
1298 // ********************************************************* Step 6: network initialization
1300 RegisterNodeSignals(GetNodeSignals());
1302 // sanitize comments per BIP-0014, format user agent and check total size
1303 std::vector<string> uacomments;
1304 BOOST_FOREACH(string cmt, mapMultiArgs["-uacomment"])
1306 if (cmt != SanitizeString(cmt, SAFE_CHARS_UA_COMMENT))
1307 return InitError(strprintf("User Agent comment (%s) contains unsafe characters.", cmt));
1308 uacomments.push_back(SanitizeString(cmt, SAFE_CHARS_UA_COMMENT));
1310 strSubVersion = FormatSubVersion(CLIENT_NAME, CLIENT_VERSION, uacomments);
1311 if (strSubVersion.size() > MAX_SUBVERSION_LENGTH) {
1312 return InitError(strprintf("Total length of network version string %i exceeds maximum of %i characters. Reduce the number and/or size of uacomments.",
1313 strSubVersion.size(), MAX_SUBVERSION_LENGTH));
1316 if (mapArgs.count("-onlynet")) {
1317 std::set<enum Network> nets;
1318 BOOST_FOREACH(const std::string& snet, mapMultiArgs["-onlynet"]) {
1319 enum Network net = ParseNetwork(snet);
1320 if (net == NET_UNROUTABLE)
1321 return InitError(strprintf(_("Unknown network specified in -onlynet: '%s'"), snet));
1324 for (int n = 0; n < NET_MAX; n++) {
1325 enum Network net = (enum Network)n;
1326 if (!nets.count(net))
1331 if (mapArgs.count("-whitelist")) {
1332 BOOST_FOREACH(const std::string& net, mapMultiArgs["-whitelist"]) {
1333 CSubNet subnet(net);
1334 if (!subnet.IsValid())
1335 return InitError(strprintf(_("Invalid netmask specified in -whitelist: '%s'"), net));
1336 CNode::AddWhitelistedRange(subnet);
1340 bool proxyRandomize = GetBoolArg("-proxyrandomize", true);
1341 // -proxy sets a proxy for all outgoing network traffic
1342 // -noproxy (or -proxy=0) as well as the empty string can be used to not set a proxy, this is the default
1343 std::string proxyArg = GetArg("-proxy", "");
1344 SetLimited(NET_TOR);
1345 if (proxyArg != "" && proxyArg != "0") {
1346 proxyType addrProxy = proxyType(CService(proxyArg, 9050), proxyRandomize);
1347 if (!addrProxy.IsValid())
1348 return InitError(strprintf(_("Invalid -proxy address: '%s'"), proxyArg));
1350 SetProxy(NET_IPV4, addrProxy);
1351 SetProxy(NET_IPV6, addrProxy);
1352 SetProxy(NET_TOR, addrProxy);
1353 SetNameProxy(addrProxy);
1354 SetLimited(NET_TOR, false); // by default, -proxy sets onion as reachable, unless -noonion later
1357 // -onion can be used to set only a proxy for .onion, or override normal proxy for .onion addresses
1358 // -noonion (or -onion=0) disables connecting to .onion entirely
1359 // An empty string is used to not override the onion proxy (in which case it defaults to -proxy set above, or none)
1360 std::string onionArg = GetArg("-onion", "");
1361 if (onionArg != "") {
1362 if (onionArg == "0") { // Handle -noonion/-onion=0
1363 SetLimited(NET_TOR); // set onions as unreachable
1365 proxyType addrOnion = proxyType(CService(onionArg, 9050), proxyRandomize);
1366 if (!addrOnion.IsValid())
1367 return InitError(strprintf(_("Invalid -onion address: '%s'"), onionArg));
1368 SetProxy(NET_TOR, addrOnion);
1369 SetLimited(NET_TOR, false);
1373 // see Step 2: parameter interactions for more information about these
1374 fListen = GetBoolArg("-listen", DEFAULT_LISTEN);
1375 fDiscover = GetBoolArg("-discover", true);
1376 fNameLookup = GetBoolArg("-dns", true);
1378 bool fBound = false;
1380 if (mapArgs.count("-bind") || mapArgs.count("-whitebind")) {
1381 BOOST_FOREACH(const std::string& strBind, mapMultiArgs["-bind"]) {
1383 if (!Lookup(strBind.c_str(), addrBind, GetListenPort(), false))
1384 return InitError(strprintf(_("Cannot resolve -bind address: '%s'"), strBind));
1385 fBound |= Bind(addrBind, (BF_EXPLICIT | BF_REPORT_ERROR));
1387 BOOST_FOREACH(const std::string& strBind, mapMultiArgs["-whitebind"]) {
1389 if (!Lookup(strBind.c_str(), addrBind, 0, false))
1390 return InitError(strprintf(_("Cannot resolve -whitebind address: '%s'"), strBind));
1391 if (addrBind.GetPort() == 0)
1392 return InitError(strprintf(_("Need to specify a port with -whitebind: '%s'"), strBind));
1393 fBound |= Bind(addrBind, (BF_EXPLICIT | BF_REPORT_ERROR | BF_WHITELIST));
1397 struct in_addr inaddr_any;
1398 inaddr_any.s_addr = INADDR_ANY;
1399 fBound |= Bind(CService(in6addr_any, GetListenPort()), BF_NONE);
1400 fBound |= Bind(CService(inaddr_any, GetListenPort()), !fBound ? BF_REPORT_ERROR : BF_NONE);
1403 return InitError(_("Failed to listen on any port. Use -listen=0 if you want this."));
1406 if (mapArgs.count("-externalip")) {
1407 BOOST_FOREACH(const std::string& strAddr, mapMultiArgs["-externalip"]) {
1408 CService addrLocal(strAddr, GetListenPort(), fNameLookup);
1409 if (!addrLocal.IsValid())
1410 return InitError(strprintf(_("Cannot resolve -externalip address: '%s'"), strAddr));
1411 AddLocal(CService(strAddr, GetListenPort(), fNameLookup), LOCAL_MANUAL);
1415 BOOST_FOREACH(const std::string& strDest, mapMultiArgs["-seednode"])
1416 AddOneShot(strDest);
1419 pzmqNotificationInterface = CZMQNotificationInterface::CreateWithArguments(mapArgs);
1421 if (pzmqNotificationInterface) {
1422 RegisterValidationInterface(pzmqNotificationInterface);
1427 pAMQPNotificationInterface = AMQPNotificationInterface::CreateWithArguments(mapArgs);
1429 if (pAMQPNotificationInterface) {
1431 // AMQP support is currently an experimental feature, so fail if user configured AMQP notifications
1432 // without enabling experimental features.
1433 if (!fExperimentalMode) {
1434 return InitError(_("AMQP support requires -experimentalfeatures."));
1437 RegisterValidationInterface(pAMQPNotificationInterface);
1441 // ********************************************************* Step 7: load block chain
1443 fReindex = GetBoolArg("-reindex", false);
1445 // Upgrading to 0.8; hard-link the old blknnnn.dat files into /blocks/
1446 boost::filesystem::path blocksDir = GetDataDir() / "blocks";
1447 if (!boost::filesystem::exists(blocksDir))
1449 boost::filesystem::create_directories(blocksDir);
1450 bool linked = false;
1451 for (unsigned int i = 1; i < 10000; i++) {
1452 boost::filesystem::path source = GetDataDir() / strprintf("blk%04u.dat", i);
1453 if (!boost::filesystem::exists(source)) break;
1454 boost::filesystem::path dest = blocksDir / strprintf("blk%05u.dat", i-1);
1456 boost::filesystem::create_hard_link(source, dest);
1457 LogPrintf("Hardlinked %s -> %s\n", source.string(), dest.string());
1459 } catch (const boost::filesystem::filesystem_error& e) {
1460 // Note: hardlink creation failing is not a disaster, it just means
1461 // blocks will get re-downloaded from peers.
1462 LogPrintf("Error hardlinking blk%04u.dat: %s\n", i, e.what());
1472 // cache size calculations
1473 int64_t nTotalCache = (GetArg("-dbcache", nDefaultDbCache) << 20);
1474 nTotalCache = std::max(nTotalCache, nMinDbCache << 20); // total cache cannot be less than nMinDbCache
1475 nTotalCache = std::min(nTotalCache, nMaxDbCache << 20); // total cache cannot be greated than nMaxDbcache
1476 int64_t nBlockTreeDBCache = nTotalCache / 8;
1477 if (nBlockTreeDBCache > (1 << 21) && !GetBoolArg("-txindex", false))
1478 nBlockTreeDBCache = (1 << 21); // block tree db cache shouldn't be larger than 2 MiB
1480 // https://github.com/bitpay/bitcoin/commit/c91d78b578a8700a45be936cb5bb0931df8f4b87#diff-c865a8939105e6350a50af02766291b7R1233
1481 if (GetBoolArg("-insightexplorer", false)) {
1482 if (!GetBoolArg("-txindex", false)) {
1483 return InitError(_("-insightexplorer requires -txindex."));
1485 // increase cache if additional indices are needed
1486 nBlockTreeDBCache = nTotalCache * 3 / 4;
1488 nTotalCache -= nBlockTreeDBCache;
1489 int64_t nCoinDBCache = std::min(nTotalCache / 2, (nTotalCache / 4) + (1 << 23)); // use 25%-50% of the remainder for disk cache
1490 nTotalCache -= nCoinDBCache;
1491 nCoinCacheUsage = nTotalCache; // the rest goes to in-memory cache
1492 LogPrintf("Cache configuration:\n");
1493 LogPrintf("* Using %.1fMiB for block index database\n", nBlockTreeDBCache * (1.0 / 1024 / 1024));
1494 LogPrintf("* Using %.1fMiB for chain state database\n", nCoinDBCache * (1.0 / 1024 / 1024));
1495 LogPrintf("* Using %.1fMiB for in-memory UTXO set\n", nCoinCacheUsage * (1.0 / 1024 / 1024));
1497 bool clearWitnessCaches = false;
1499 bool fLoaded = false;
1501 bool fReset = fReindex;
1502 std::string strLoadError;
1504 uiInterface.InitMessage(_("Loading block index..."));
1506 nStart = GetTimeMillis();
1511 delete pcoinsdbview;
1512 delete pcoinscatcher;
1515 pblocktree = new CBlockTreeDB(nBlockTreeDBCache, false, fReindex);
1516 pcoinsdbview = new CCoinsViewDB(nCoinDBCache, false, fReindex);
1517 pcoinscatcher = new CCoinsViewErrorCatcher(pcoinsdbview);
1518 pcoinsTip = new CCoinsViewCache(pcoinscatcher);
1521 pblocktree->WriteReindexing(true);
1522 //If we're reindexing in prune mode, wipe away unusable block files and all undo data files
1524 CleanupBlockRevFiles();
1527 if (!LoadBlockIndex()) {
1528 strLoadError = _("Error loading block database");
1532 // If the loaded chain has a wrong genesis, bail out immediately
1533 // (we're likely using a testnet datadir, or the other way around).
1534 if (!mapBlockIndex.empty() && mapBlockIndex.count(chainparams.GetConsensus().hashGenesisBlock) == 0)
1535 return InitError(_("Incorrect or no genesis block found. Wrong datadir for network?"));
1537 // Initialize the block index (no-op if non-empty database was already loaded)
1538 if (!InitBlockIndex(chainparams)) {
1539 strLoadError = _("Error initializing block database");
1543 // Check for changed -txindex state
1544 if (fTxIndex != GetBoolArg("-txindex", false)) {
1545 strLoadError = _("You need to rebuild the database using -reindex to change -txindex");
1549 // Check for changed -insightexplorer state
1550 if (fInsightExplorer != GetBoolArg("-insightexplorer", false)) {
1551 strLoadError = _("You need to rebuild the database using -reindex to change -insightexplorer");
1555 // Check for changed -prune state. What we are concerned about is a user who has pruned blocks
1556 // in the past, but is now trying to run unpruned.
1557 if (fHavePruned && !fPruneMode) {
1558 strLoadError = _("You need to rebuild the database using -reindex to go back to unpruned mode. This will redownload the entire blockchain");
1563 uiInterface.InitMessage(_("Rewinding blocks if needed..."));
1564 if (!RewindBlockIndex(chainparams, clearWitnessCaches)) {
1565 strLoadError = _("Unable to rewind the database to a pre-upgrade state. You will need to redownload the blockchain");
1570 uiInterface.InitMessage(_("Verifying blocks..."));
1571 if (fHavePruned && GetArg("-checkblocks", 288) > MIN_BLOCKS_TO_KEEP) {
1572 LogPrintf("Prune: pruned datadir may not have more than %d blocks; -checkblocks=%d may fail\n",
1573 MIN_BLOCKS_TO_KEEP, GetArg("-checkblocks", 288));
1575 if (!CVerifyDB().VerifyDB(chainparams, pcoinsdbview, GetArg("-checklevel", 3),
1576 GetArg("-checkblocks", 288))) {
1577 strLoadError = _("Corrupted block database detected");
1580 } catch (const std::exception& e) {
1581 if (fDebug) LogPrintf("%s\n", e.what());
1582 strLoadError = _("Error opening block database");
1590 // first suggest a reindex
1592 bool fRet = uiInterface.ThreadSafeQuestion(
1593 strLoadError + ".\n\n" + _("Do you want to rebuild the block database now?"),
1594 strLoadError + ".\nPlease restart with -reindex to recover.",
1595 "", CClientUIInterface::MSG_ERROR | CClientUIInterface::BTN_ABORT);
1598 fRequestShutdown = false;
1600 LogPrintf("Aborted block database rebuild. Exiting.\n");
1604 return InitError(strLoadError);
1609 // As LoadBlockIndex can take several minutes, it's possible the user
1610 // requested to kill the GUI during the last operation. If so, exit.
1611 // As the program has not fully started yet, Shutdown() is possibly overkill.
1612 if (fRequestShutdown)
1614 LogPrintf("Shutdown requested. Exiting.\n");
1617 LogPrintf(" block index %15dms\n", GetTimeMillis() - nStart);
1619 boost::filesystem::path est_path = GetDataDir() / FEE_ESTIMATES_FILENAME;
1620 CAutoFile est_filein(fopen(est_path.string().c_str(), "rb"), SER_DISK, CLIENT_VERSION);
1621 // Allowed to fail as this file IS missing on first startup.
1622 if (!est_filein.IsNull())
1623 mempool.ReadFeeEstimates(est_filein);
1624 fFeeEstimatesInitialized = true;
1627 // ********************************************************* Step 8: load wallet
1628 #ifdef ENABLE_WALLET
1629 if (fDisableWallet) {
1631 LogPrintf("Wallet disabled!\n");
1634 // needed to restore wallet transaction meta data after -zapwallettxes
1635 std::vector<CWalletTx> vWtx;
1637 if (GetBoolArg("-zapwallettxes", false)) {
1638 uiInterface.InitMessage(_("Zapping all transactions from wallet..."));
1640 pwalletMain = new CWallet(strWalletFile);
1641 DBErrors nZapWalletRet = pwalletMain->ZapWalletTx(vWtx);
1642 if (nZapWalletRet != DB_LOAD_OK) {
1643 uiInterface.InitMessage(_("Error loading wallet.dat: Wallet corrupted"));
1651 uiInterface.InitMessage(_("Loading wallet..."));
1653 nStart = GetTimeMillis();
1654 bool fFirstRun = true;
1655 pwalletMain = new CWallet(strWalletFile);
1656 DBErrors nLoadWalletRet = pwalletMain->LoadWallet(fFirstRun);
1657 if (nLoadWalletRet != DB_LOAD_OK)
1659 if (nLoadWalletRet == DB_CORRUPT)
1660 strErrors << _("Error loading wallet.dat: Wallet corrupted") << "\n";
1661 else if (nLoadWalletRet == DB_NONCRITICAL_ERROR)
1663 string msg(_("Warning: error reading wallet.dat! All keys read correctly, but transaction data"
1664 " or address book entries might be missing or incorrect."));
1667 else if (nLoadWalletRet == DB_TOO_NEW)
1668 strErrors << _("Error loading wallet.dat: Wallet requires newer version of Zcash") << "\n";
1669 else if (nLoadWalletRet == DB_NEED_REWRITE)
1671 strErrors << _("Wallet needed to be rewritten: restart Zcash to complete") << "\n";
1672 LogPrintf("%s", strErrors.str());
1673 return InitError(strErrors.str());
1676 strErrors << _("Error loading wallet.dat") << "\n";
1679 if (GetBoolArg("-upgradewallet", fFirstRun))
1681 int nMaxVersion = GetArg("-upgradewallet", 0);
1682 if (nMaxVersion == 0) // the -upgradewallet without argument case
1684 LogPrintf("Performing wallet upgrade to %i\n", FEATURE_LATEST);
1685 nMaxVersion = CLIENT_VERSION;
1686 pwalletMain->SetMinVersion(FEATURE_LATEST); // permanently upgrade the wallet immediately
1689 LogPrintf("Allowing wallet upgrade up to %i\n", nMaxVersion);
1690 if (nMaxVersion < pwalletMain->GetVersion())
1691 strErrors << _("Cannot downgrade wallet") << "\n";
1692 pwalletMain->SetMaxVersion(nMaxVersion);
1695 if (!pwalletMain->HaveHDSeed())
1697 // We can't set the new HD seed until the wallet is decrypted.
1698 // https://github.com/zcash/zcash/issues/3607
1699 if (!pwalletMain->IsCrypted()) {
1700 // generate a new HD seed
1701 pwalletMain->GenerateNewSeed();
1705 // Set sapling migration status
1706 pwalletMain->fSaplingMigrationEnabled = GetBoolArg("-migration", false);
1710 // Create new keyUser and set as default key
1711 CPubKey newDefaultKey;
1712 if (pwalletMain->GetKeyFromPool(newDefaultKey)) {
1713 pwalletMain->SetDefaultKey(newDefaultKey);
1714 if (!pwalletMain->SetAddressBook(pwalletMain->vchDefaultKey.GetID(), "", "receive"))
1715 strErrors << _("Cannot write default address") << "\n";
1718 pwalletMain->SetBestChain(chainActive.GetLocator());
1721 LogPrintf("%s", strErrors.str());
1722 LogPrintf(" wallet %15dms\n", GetTimeMillis() - nStart);
1724 RegisterValidationInterface(pwalletMain);
1726 CBlockIndex *pindexRescan = chainActive.Tip();
1727 if (clearWitnessCaches || GetBoolArg("-rescan", false))
1729 pwalletMain->ClearNoteWitnessCache();
1730 pindexRescan = chainActive.Genesis();
1734 CWalletDB walletdb(strWalletFile);
1735 CBlockLocator locator;
1736 if (walletdb.ReadBestBlock(locator))
1737 pindexRescan = FindForkInGlobalIndex(chainActive, locator);
1739 pindexRescan = chainActive.Genesis();
1741 if (chainActive.Tip() && chainActive.Tip() != pindexRescan)
1743 uiInterface.InitMessage(_("Rescanning..."));
1744 LogPrintf("Rescanning last %i blocks (from block %i)...\n", chainActive.Height() - pindexRescan->nHeight, pindexRescan->nHeight);
1745 nStart = GetTimeMillis();
1746 pwalletMain->ScanForWalletTransactions(pindexRescan, true);
1747 LogPrintf(" rescan %15dms\n", GetTimeMillis() - nStart);
1748 pwalletMain->SetBestChain(chainActive.GetLocator());
1751 // Restore wallet transaction metadata after -zapwallettxes=1
1752 if (GetBoolArg("-zapwallettxes", false) && GetArg("-zapwallettxes", "1") != "2")
1754 CWalletDB walletdb(strWalletFile);
1756 BOOST_FOREACH(const CWalletTx& wtxOld, vWtx)
1758 uint256 hash = wtxOld.GetHash();
1759 std::map<uint256, CWalletTx>::iterator mi = pwalletMain->mapWallet.find(hash);
1760 if (mi != pwalletMain->mapWallet.end())
1762 const CWalletTx* copyFrom = &wtxOld;
1763 CWalletTx* copyTo = &mi->second;
1764 copyTo->mapValue = copyFrom->mapValue;
1765 copyTo->vOrderForm = copyFrom->vOrderForm;
1766 copyTo->nTimeReceived = copyFrom->nTimeReceived;
1767 copyTo->nTimeSmart = copyFrom->nTimeSmart;
1768 copyTo->fFromMe = copyFrom->fFromMe;
1769 copyTo->strFromAccount = copyFrom->strFromAccount;
1770 copyTo->nOrderPos = copyFrom->nOrderPos;
1771 copyTo->WriteToDisk(&walletdb);
1776 pwalletMain->SetBroadcastTransactions(GetBoolArg("-walletbroadcast", true));
1777 } // (!fDisableWallet)
1778 #else // ENABLE_WALLET
1779 LogPrintf("No wallet support compiled in!\n");
1780 #endif // !ENABLE_WALLET
1782 #ifdef ENABLE_MINING
1783 #ifndef ENABLE_WALLET
1784 if (GetBoolArg("-minetolocalwallet", false)) {
1785 return InitError(_("Zcash was not built with wallet support. Set -minetolocalwallet=0 to use -mineraddress, or rebuild Zcash with wallet support."));
1787 if (GetArg("-mineraddress", "").empty() && GetBoolArg("-gen", false)) {
1788 return InitError(_("Zcash was not built with wallet support. Set -mineraddress, or rebuild Zcash with wallet support."));
1790 #endif // !ENABLE_WALLET
1792 if (mapArgs.count("-mineraddress")) {
1793 #ifdef ENABLE_WALLET
1794 bool minerAddressInLocalWallet = false;
1796 // Address has already been validated
1797 CTxDestination addr = DecodeDestination(mapArgs["-mineraddress"]);
1798 CKeyID keyID = boost::get<CKeyID>(addr);
1799 minerAddressInLocalWallet = pwalletMain->HaveKey(keyID);
1801 if (GetBoolArg("-minetolocalwallet", true) && !minerAddressInLocalWallet) {
1802 return InitError(_("-mineraddress is not in the local wallet. Either use a local address, or set -minetolocalwallet=0"));
1804 #endif // ENABLE_WALLET
1806 // This is leveraging the fact that boost::signals2 executes connected
1807 // handlers in-order. Further up, the wallet is connected to this signal
1808 // if the wallet is enabled. The wallet's ScriptForMining handler does
1809 // nothing if -mineraddress is set, and GetScriptForMinerAddress() does
1810 // nothing if -mineraddress is not set (or set to an invalid address).
1812 // The upshot is that when ScriptForMining(script) is called:
1813 // - If -mineraddress is set (whether or not the wallet is enabled), the
1814 // CScript argument is set to -mineraddress.
1815 // - If the wallet is enabled and -mineraddress is not set, the CScript
1816 // argument is set to a wallet address.
1817 // - If the wallet is disabled and -mineraddress is not set, the CScript
1818 // argument is not modified; in practice this means it is empty, and
1819 // GenerateBitcoins() returns an error.
1820 GetMainSignals().ScriptForMining.connect(GetScriptForMinerAddress);
1822 #endif // ENABLE_MINING
1824 // ********************************************************* Step 9: data directory maintenance
1826 // if pruning, unset the service bit and perform the initial blockstore prune
1827 // after any wallet rescanning has taken place.
1829 LogPrintf("Unsetting NODE_NETWORK on prune mode\n");
1830 nLocalServices &= ~NODE_NETWORK;
1832 uiInterface.InitMessage(_("Pruning blockstore..."));
1837 // ********************************************************* Step 10: import blocks
1839 if (mapArgs.count("-blocknotify"))
1840 uiInterface.NotifyBlockTip.connect(BlockNotifyCallback);
1842 uiInterface.InitMessage(_("Activating best chain..."));
1843 // scan for better chains in the block chain database, that are not yet connected in the active best chain
1844 CValidationState state;
1845 if (!ActivateBestChain(state, chainparams))
1846 strErrors << "Failed to connect best block";
1848 std::vector<boost::filesystem::path> vImportFiles;
1849 if (mapArgs.count("-loadblock"))
1851 BOOST_FOREACH(const std::string& strFile, mapMultiArgs["-loadblock"])
1852 vImportFiles.push_back(strFile);
1854 threadGroup.create_thread(boost::bind(&ThreadImport, vImportFiles));
1855 if (chainActive.Tip() == NULL) {
1856 LogPrintf("Waiting for genesis block to be imported...\n");
1857 while (!fRequestShutdown && chainActive.Tip() == NULL)
1861 // ********************************************************* Step 11: start node
1863 if (!CheckDiskSpace())
1866 if (!strErrors.str().empty())
1867 return InitError(strErrors.str());
1870 LogPrintf("mapBlockIndex.size() = %u\n", mapBlockIndex.size());
1871 LogPrintf("nBestHeight = %d\n", chainActive.Height());
1872 #ifdef ENABLE_WALLET
1873 LogPrintf("setKeyPool.size() = %u\n", pwalletMain ? pwalletMain->setKeyPool.size() : 0);
1874 LogPrintf("mapWallet.size() = %u\n", pwalletMain ? pwalletMain->mapWallet.size() : 0);
1875 LogPrintf("mapAddressBook.size() = %u\n", pwalletMain ? pwalletMain->mapAddressBook.size() : 0);
1878 // Start the thread that notifies listeners of transactions that have been
1879 // recently added to the mempool.
1880 threadGroup.create_thread(boost::bind(&TraceThread<void (*)()>, "txnotify", &ThreadNotifyRecentlyAdded));
1882 if (GetBoolArg("-listenonion", DEFAULT_LISTEN_ONION))
1883 StartTorControl(threadGroup, scheduler);
1885 StartNode(threadGroup, scheduler);
1887 // Monitor the chain every minute, and alert if we get blocks much quicker or slower than expected.
1888 CScheduler::Function f = boost::bind(&PartitionCheck, &IsInitialBlockDownload,
1889 boost::ref(cs_main), boost::cref(pindexBestHeader));
1890 scheduler.scheduleEvery(f, 60);
1892 #ifdef ENABLE_MINING
1893 // Generate coins in the background
1894 GenerateBitcoins(GetBoolArg("-gen", false), GetArg("-genproclimit", 1), chainparams);
1897 // ********************************************************* Step 11: finished
1899 SetRPCWarmupFinished();
1900 uiInterface.InitMessage(_("Done loading"));
1902 #ifdef ENABLE_WALLET
1904 // Add wallet transactions that aren't already in a block to mapTransactions
1905 pwalletMain->ReacceptWalletTransactions();
1907 // Run a thread to flush wallet periodically
1908 threadGroup.create_thread(boost::bind(&ThreadFlushWalletDB, boost::ref(pwalletMain->strWalletFile)));
1913 threadGroup.create_thread(boost::bind(ThreadSendAlert));
1915 return !fRequestShutdown;