text: // Copyright (c) 2009-2010 Satoshi Nakamoto
  // Copyright (c) 2009-2015 The Bitcoin Core developers
  // Copyright (c) 2014-2017 The Dash Core developers
  // Copyright (c) 2019 The bitlioncoin Core developers
  // Distributed under the MIT software license, see the accompanying
  // file COPYING or http://www.opensource.org/licenses/mit-license.php.
  
  #if defined(HAVE_CONFIG_H)
  #include "config/bitlioncoin-config.h"
  #endif
  
  #include "init.h"
  
  #include "addrman.h"
  #include "amount.h"
  #include "base58.h"
  #include "chain.h"
  #include "chainparams.h"
  #include "checkpoints.h"
  #include "compat/sanity.h"
  #include "consensus/validation.h"
  #include "httpserver.h"
  #include "httprpc.h"
  #include "key.h"
  #include "validation.h"
  #include "miner.h"
  #include "netbase.h"
  #include "net.h"
  #include "netfulfilledman.h"
  #include "net_processing.h"
  #include "policy/policy.h"
  #include "rpc/server.h"
  #include "rpc/register.h"
  #include "script/standard.h"
  #include "script/sigcache.h"
  #include "scheduler.h"
  #include "timedata.h"
  #include "txdb.h"
  #include "txmempool.h"
  #include "torcontrol.h"
  #include "ui_interface.h"
  #include "util.h"
  #include "utilmoneystr.h"
  #include "validationinterface.h"
  #ifdef ENABLE_WALLET
  #include "wallet/wallet.h"
  #endif
  
  #include "activemasternode.h"
  #include "dsnotificationinterface.h"
  #include "flat-database.h"
  #include "governance.h"
  #include "instantx.h"
  #ifdef ENABLE_WALLET
  #include "keepass.h"
  #endif
  #include "masternode-payments.h"
  #include "masternode-sync.h"
  #include "masternodeman.h"
  #include "masternodeconfig.h"
  #include "messagesigner.h"
  #include "netfulfilledman.h"
  #ifdef ENABLE_WALLET
  #include "privatesend-client.h"
  #endif // ENABLE_WALLET
  #include "privatesend-server.h"
  #include "spork.h"
  #include "warnings.h"
  
  #include <stdint.h>
  #include <stdio.h>
  #include <memory>
  
  #ifndef WIN32
  #include <signal.h>
  #endif
  
  #include <boost/algorithm/string/classification.hpp>
  #include <boost/algorithm/string/predicate.hpp>
  #include <boost/algorithm/string/replace.hpp>
  #include <boost/algorithm/string/split.hpp>
  #include <boost/bind.hpp>
  #include <boost/filesystem.hpp>
  #include <boost/function.hpp>
  #include <boost/interprocess/sync/file_lock.hpp>
  #include <boost/thread.hpp>
  #include <openssl/crypto.h>
  
  #if ENABLE_ZMQ
  #include "zmq/zmqnotificationinterface.h"
  #endif
  
  extern void ThreadSendAlert(CConnman& connman);
  
  bool fFeeEstimatesInitialized = false;
  static const bool DEFAULT_PROXYRANDOMIZE = true;
  static const bool DEFAULT_REST_ENABLE = false;
  static const bool DEFAULT_DISABLE_SAFEMODE = false;
  static const bool DEFAULT_STOPAFTERBLOCKIMPORT = false;
  
  
  std::unique_ptr<CConnman> g_connman;
  std::unique_ptr<PeerLogicValidation> peerLogic;
  
  #if ENABLE_ZMQ
  static CZMQNotificationInterface* pzmqNotificationInterface = NULL;
  #endif
  
  static CDSNotificationInterface* pdsNotificationInterface = NULL;
  
  #ifdef WIN32
  // Win32 LevelDB doesn't use filedescriptors, and the ones used for
  // accessing block files don't count towards the fd_set size limit
  // anyway.
  #define MIN_CORE_FILEDESCRIPTORS 0
  #else
  #define MIN_CORE_FILEDESCRIPTORS 150
  #endif
  
  /** Used to pass flags to the Bind() function */
  enum BindFlags {
      BF_NONE         = 0,
      BF_EXPLICIT     = (1U << 0),
      BF_REPORT_ERROR = (1U << 1),
      BF_WHITELIST    = (1U << 2),
  };
  
  static const char* FEE_ESTIMATES_FILENAME="fee_estimates.dat";
  
  //////////////////////////////////////////////////////////////////////////////
  //
  // Shutdown
  //
  
  //
  // Thread management and startup/shutdown:
  //
  // The network-processing threads are all part of a thread group
  // created by AppInit() or the Qt main() function.
  //
  // A clean exit happens when StartShutdown() or the SIGTERM
  // signal handler sets fRequestShutdown, which triggers
  // the DetectShutdownThread(), which interrupts the main thread group.
  // DetectShutdownThread() then exits, which causes AppInit() to
  // continue (it .joins the shutdown thread).
  // Shutdown() is then
  // called to clean up database connections, and stop other
  // threads that should only be stopped after the main network-processing
  // threads have exited.
  //
  // Note that if running -daemon the parent process returns from AppInit2
  // before adding any threads to the threadGroup, so .join_all() returns
  // immediately and the parent exits from main().
  //
  // Shutdown for Qt is very similar, only it uses a QTimer to detect
  // fRequestShutdown getting set, and then does the normal Qt
  // shutdown thing.
  //
  
  std::atomic<bool> fRequestShutdown(false);
  std::atomic<bool> fRequestRestart(false);
  std::atomic<bool> fDumpMempoolLater(false);
  
  void StartShutdown()
  {
      fRequestShutdown = true;
  }
  void StartRestart()
  {
      fRequestShutdown = fRequestRestart = true;
  }
  bool ShutdownRequested()
  {
      return fRequestShutdown;
  }
  
  /**
   * This is a minimally invasive approach to shutdown on LevelDB read errors from the
   * chainstate, while keeping user interface out of the common library, which is shared
   * between bitcoind, and bitcoin-qt and non-server tools.
  */
  class CCoinsViewErrorCatcher : public CCoinsViewBacked
  {
  public:
      CCoinsViewErrorCatcher(CCoinsView* view) : CCoinsViewBacked(view) {}
      bool GetCoin(const COutPoint &outpoint, Coin &coin) const override {
          try {
              return CCoinsViewBacked::GetCoin(outpoint, coin);
          } catch(const std::runtime_error& e) {
              uiInterface.ThreadSafeMessageBox(_("Error reading from database, shutting down."), "", CClientUIInterface::MSG_ERROR);
              LogPrintf("Error reading from database: %s\n", e.what());
              // Starting the shutdown sequence and returning false to the caller would be
              // interpreted as 'entry not found' (as opposed to unable to read data), and
              // could lead to invalid interpretation. Just exit immediately, as we can't
              // continue anyway, and all writes should be atomic.
              abort();
          }
      }
      // Writes do not need similar protection, as failure to write is handled by the caller.
  };
  
  static CCoinsViewErrorCatcher *pcoinscatcher = NULL;
  static std::unique_ptr<ECCVerifyHandle> globalVerifyHandle;
  
  void Interrupt(boost::thread_group& threadGroup)
  {
      InterruptHTTPServer();
      InterruptHTTPRPC();
      InterruptRPC();
      InterruptREST();
      InterruptTorControl();
      if (g_connman)
          g_connman->Interrupt();
      threadGroup.interrupt_all();
  }
  
  /** Preparing steps before shutting down or restarting the wallet */
  void PrepareShutdown()
  {
      LogPrintf("%s: In progress...\n", __func__);
      static CCriticalSection cs_Shutdown;
      TRY_LOCK(cs_Shutdown, lockShutdown);
      if (!lockShutdown)
          return;
  
      /// Note: Shutdown() must be able to handle cases in which AppInit2() failed part of the way,
      /// for example if the data directory was found to be locked.
      /// Be sure that anything that writes files or flushes caches only does this if the respective
      /// module was initialized.
      RenameThread("bitlioncoin-shutoff");
      mempool.AddTransactionsUpdated(1);
      StopHTTPRPC();
      StopREST();
      StopRPC();
      StopHTTPServer();
  #ifdef ENABLE_WALLET
      if (pwalletMain)
          pwalletMain->Flush(false);
  #endif
      MapPort(false);
      UnregisterValidationInterface(peerLogic.get());
      peerLogic.reset();
      g_connman.reset();
  
      // STORE DATA CACHES INTO SERIALIZED DAT FILES
      if (!fLiteMode) {
          CFlatDB<CMasternodeMan> flatdb1("mncache.dat", "magicMasternodeCache");
          flatdb1.Dump(mnodeman);
          CFlatDB<CMasternodePayments> flatdb2("mnpayments.dat", "magicMasternodePaymentsCache");
          flatdb2.Dump(mnpayments);
          CFlatDB<CGovernanceManager> flatdb3("governance.dat", "magicGovernanceCache");
          flatdb3.Dump(governance);
          CFlatDB<CNetFulfilledRequestManager> flatdb4("netfulfilled.dat", "magicFulfilledCache");
          flatdb4.Dump(netfulfilledman);
      }
  
      UnregisterNodeSignals(GetNodeSignals());
      if (fDumpMempoolLater)
          DumpMempool();
  
      if (fFeeEstimatesInitialized)
      {
          boost::filesystem::path est_path = GetDataDir() / FEE_ESTIMATES_FILENAME;
          CAutoFile est_fileout(fopen(est_path.string().c_str(), "wb"), SER_DISK, CLIENT_VERSION);
          if (!est_fileout.IsNull())
              mempool.WriteFeeEstimates(est_fileout);
          else
              LogPrintf("%s: Failed to write fee estimates to %s\n", __func__, est_path.string());
          fFeeEstimatesInitialized = false;
      }
  
      {
          LOCK(cs_main);
          if (pcoinsTip != NULL) {
              FlushStateToDisk();
          }
          delete pcoinsTip;
          pcoinsTip = NULL;
          delete pcoinscatcher;
          pcoinscatcher = NULL;
          delete pcoinsdbview;
          pcoinsdbview = NULL;
          delete pblocktree;
          pblocktree = NULL;
      }
  #ifdef ENABLE_WALLET
      if (pwalletMain)
          pwalletMain->Flush(true);
  #endif
  
  #if ENABLE_ZMQ
      if (pzmqNotificationInterface) {
          UnregisterValidationInterface(pzmqNotificationInterface);
          delete pzmqNotificationInterface;
          pzmqNotificationInterface = NULL;
      }
  #endif
  
      if (pdsNotificationInterface) {
          UnregisterValidationInterface(pdsNotificationInterface);
          delete pdsNotificationInterface;
          pdsNotificationInterface = NULL;
      }
  
  #ifndef WIN32
      try {
          boost::filesystem::remove(GetPidFile());
      } catch (const boost::filesystem::filesystem_error& e) {
          LogPrintf("%s: Unable to remove pidfile: %s\n", __func__, e.what());
      }
  #endif
      UnregisterAllValidationInterfaces();
  }
  
  /**
  * Shutdown is split into 2 parts:
  * Part 1: shut down everything but the main wallet instance (done in PrepareShutdown() )
  * Part 2: delete wallet instance
  *
  * In case of a restart PrepareShutdown() was already called before, but this method here gets
  * called implicitly when the parent object is deleted. In this case we have to skip the
  * PrepareShutdown() part because it was already executed and just delete the wallet instance.
  */
  void Shutdown()
  {
      // Shutdown part 1: prepare shutdown
      if(!fRequestRestart) {
          PrepareShutdown();
      }
     // Shutdown part 2: Stop TOR thread and delete wallet instance
      StopTorControl();
  #ifdef ENABLE_WALLET
      delete pwalletMain;
      pwalletMain = NULL;
  #endif
      globalVerifyHandle.reset();
      ECC_Stop();
      LogPrintf("%s: done\n", __func__);
  }
  
  /**
   * Signal handlers are very limited in what they are allowed to do, so:
   */
  void HandleSIGTERM(int)
  {
      fRequestShutdown = true;
  }
  
  void HandleSIGHUP(int)
  {
      fReopenDebugLog = true;
  }
  
  bool static Bind(CConnman& connman, const CService &addr, unsigned int flags) {
      if (!(flags & BF_EXPLICIT) && IsLimited(addr))
          return false;
      std::string strError;
      if (!connman.BindListenPort(addr, strError, (flags & BF_WHITELIST) != 0)) {
          if (flags & BF_REPORT_ERROR)
              return InitError(strError);
          return false;
      }
      return true;
  }
  void OnRPCStarted()
  {
      uiInterface.NotifyBlockTip.connect(&RPCNotifyBlockChange);
  }
  
  void OnRPCStopped()
  {
      uiInterface.NotifyBlockTip.disconnect(&RPCNotifyBlockChange);
      RPCNotifyBlockChange(false, nullptr);
      cvBlockChange.notify_all();
      LogPrint("rpc", "RPC stopped.\n");
  }
  
  void OnRPCPreCommand(const CRPCCommand& cmd)
  {
      // Observe safe mode
      std::string strWarning = GetWarnings("rpc");
      if (strWarning != "" && !GetBoolArg("-disablesafemode", DEFAULT_DISABLE_SAFEMODE) &&
          !cmd.okSafeMode)
          throw JSONRPCError(RPC_FORBIDDEN_BY_SAFE_MODE, std::string("Safe mode: ") + strWarning);
  }
  
  std::string HelpMessage(HelpMessageMode mode)
  {
      const bool showDebug = GetBoolArg("-help-debug", false);
  
      // When adding new options to the categories, please keep and ensure alphabetical ordering.
      // Do not translate _(...) -help-debug options, Many technical terms, and only a very small audience, so is unnecessary stress to translators.
      std::string strUsage = HelpMessageGroup(_("Options:"));
      strUsage += HelpMessageOpt("-?", _("Print this help message and exit"));
      strUsage += HelpMessageOpt("-version", _("Print version and exit"));
      strUsage += HelpMessageOpt("-alerts", strprintf(_("Receive and display P2P network alerts (default: %u)"), DEFAULT_ALERTS));
      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)"));
      strUsage += HelpMessageOpt("-blocknotify=<cmd>", _("Execute command when the best block changes (%s in cmd is replaced by block hash)"));
      if (showDebug)
          strUsage += HelpMessageOpt("-blocksonly", strprintf(_("Whether to operate in a blocks only mode (default: %u)"), DEFAULT_BLOCKSONLY));
      strUsage +=HelpMessageOpt("-assumevalid=<hex>", strprintf(_("If this block is in the chain assume that it and its ancestors are valid and potentially skip their script verification (0 to verify all, default: %s, testnet: %s)"), Params(CBaseChainParams::MAIN).GetConsensus().defaultAssumeValid.GetHex(), Params(CBaseChainParams::TESTNET).GetConsensus().defaultAssumeValid.GetHex()));
      strUsage += HelpMessageOpt("-conf=<file>", strprintf(_("Specify configuration file (default: %s)"), BITCOIN_CONF_FILENAME));
      if (mode == HMM_BITCOIND)
      {
  #if HAVE_DECL_DAEMON
          strUsage += HelpMessageOpt("-daemon", _("Run in the background as a daemon and accept commands"));
  #endif
      }
      strUsage += HelpMessageOpt("-datadir=<dir>", _("Specify data directory"));
      strUsage += HelpMessageOpt("-dbcache=<n>", strprintf(_("Set database cache size in megabytes (%d to %d, default: %d)"), nMinDbCache, nMaxDbCache, nDefaultDbCache));
      strUsage += HelpMessageOpt("-loadblock=<file>", _("Imports blocks from external blk000??.dat file on startup"));
      strUsage += HelpMessageOpt("-maxorphantx=<n>", strprintf(_("Keep at most <n> unconnectable transactions in memory (default: %u)"), DEFAULT_MAX_ORPHAN_TRANSACTIONS));
      strUsage += HelpMessageOpt("-maxmempool=<n>", strprintf(_("Keep the transaction memory pool below <n> megabytes (default: %u)"), DEFAULT_MAX_MEMPOOL_SIZE));
      strUsage += HelpMessageOpt("-mempoolexpiry=<n>", strprintf(_("Do not keep transactions in the mempool longer than <n> hours (default: %u)"), DEFAULT_MEMPOOL_EXPIRY));
      strUsage += HelpMessageOpt("-blockreconstructionextratxn=<n>", strprintf(_("Extra transactions to keep in memory for compact block reconstructions (default: %u)"), DEFAULT_BLOCK_RECONSTRUCTION_EXTRA_TXN));
      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)"),
          -GetNumCores(), MAX_SCRIPTCHECK_THREADS, DEFAULT_SCRIPTCHECK_THREADS));
  #ifndef WIN32
      strUsage += HelpMessageOpt("-pid=<file>", strprintf(_("Specify pid file (default: %s)"), BITCOIN_PID_FILENAME));
  #endif
      strUsage += HelpMessageOpt("-prune=<n>", strprintf(_("Reduce storage requirements by enabling pruning (deleting) of old blocks. This allows the pruneblockchain RPC to be called to delete specific blocks, and enables automatic pruning of old blocks if a target size in MiB is provided. This mode is incompatible with -txindex and -rescan. "
              "Warning: Reverting this setting requires re-downloading the entire blockchain. "
              "(default: 0 = disable pruning blocks, 1 = allow manual pruning via RPC, >%u = automatically prune block files to stay under the specified target size in MiB)"), MIN_DISK_SPACE_FOR_BLOCK_FILES / 1024 / 1024));
      strUsage += HelpMessageOpt("-reindex-chainstate", _("Rebuild chain state from the currently indexed blocks"));
      strUsage += HelpMessageOpt("-reindex", _("Rebuild chain state and block index from the blk*.dat files on disk"));
  #ifndef WIN32
      strUsage += HelpMessageOpt("-sysperms", _("Create new files with system default permissions, instead of umask 077 (only effective with disabled wallet functionality)"));
  #endif
      strUsage += HelpMessageOpt("-txindex", strprintf(_("Maintain a full transaction index, used by the getrawtransaction rpc call (default: %u)"), DEFAULT_TXINDEX));
  
      strUsage += HelpMessageOpt("-addressindex", strprintf(_("Maintain a full address index, used to query for the balance, txids and unspent outputs for addresses (default: %u)"), DEFAULT_ADDRESSINDEX));
      strUsage += HelpMessageOpt("-timestampindex", strprintf(_("Maintain a timestamp index for block hashes, used to query blocks hashes by a range of timestamps (default: %u)"), DEFAULT_TIMESTAMPINDEX));
      strUsage += HelpMessageOpt("-spentindex", strprintf(_("Maintain a full spent index, used to query the spending txid and input index for an outpoint (default: %u)"), DEFAULT_SPENTINDEX));
  
      strUsage += HelpMessageGroup(_("Connection options:"));
      strUsage += HelpMessageOpt("-addnode=<ip>", _("Add a node to connect to and attempt to keep the connection open"));
      strUsage += HelpMessageOpt("-allowprivatenet", strprintf(_("Allow RFC1918 addresses to be relayed and connected to (default: %u)"), DEFAULT_ALLOWPRIVATENET));
      strUsage += HelpMessageOpt("-banscore=<n>", strprintf(_("Threshold for disconnecting misbehaving peers (default: %u)"), DEFAULT_BANSCORE_THRESHOLD));
      strUsage += HelpMessageOpt("-bantime=<n>", strprintf(_("Number of seconds to keep misbehaving peers from reconnecting (default: %u)"), DEFAULT_MISBEHAVING_BANTIME));
      strUsage += HelpMessageOpt("-bind=<addr>", _("Bind to given address and always listen on it. Use [host]:port notation for IPv6"));
      strUsage += HelpMessageOpt("-connect=<ip>", _("Connect only to the specified node(s); -noconnect or -connect=0 alone to disable automatic connections"));
      strUsage += HelpMessageOpt("-discover", _("Discover own IP addresses (default: 1 when listening and no -externalip or -proxy)"));
      strUsage += HelpMessageOpt("-dns", _("Allow DNS lookups for -addnode, -seednode and -connect") + " " + strprintf(_("(default: %u)"), DEFAULT_NAME_LOOKUP));
      strUsage += HelpMessageOpt("-dnsseed", _("Query for peer addresses via DNS lookup, if low on addresses (default: 1 unless -connect/-noconnect)"));
      strUsage += HelpMessageOpt("-externalip=<ip>", _("Specify your own public address"));
      strUsage += HelpMessageOpt("-forcednsseed", strprintf(_("Always query for peer addresses via DNS lookup (default: %u)"), DEFAULT_FORCEDNSSEED));
      strUsage += HelpMessageOpt("-listen", _("Accept connections from outside (default: 1 if no -proxy or -connect/-noconnect)"));
      strUsage += HelpMessageOpt("-listenonion", strprintf(_("Automatically create Tor hidden service (default: %d)"), DEFAULT_LISTEN_ONION));
      strUsage += HelpMessageOpt("-maxconnections=<n>", strprintf(_("Maintain at most <n> connections to peers (temporary service connections excluded) (default: %u)"), DEFAULT_MAX_PEER_CONNECTIONS));
      strUsage += HelpMessageOpt("-maxreceivebuffer=<n>", strprintf(_("Maximum per-connection receive buffer, <n>*1000 bytes (default: %u)"), DEFAULT_MAXRECEIVEBUFFER));
      strUsage += HelpMessageOpt("-maxsendbuffer=<n>", strprintf(_("Maximum per-connection send buffer, <n>*1000 bytes (default: %u)"), DEFAULT_MAXSENDBUFFER));
      strUsage += HelpMessageOpt("-maxtimeadjustment", strprintf(_("Maximum allowed median peer time offset adjustment. Local perspective of time may be influenced by peers forward or backward by this amount. (default: %u seconds)"), DEFAULT_MAX_TIME_ADJUSTMENT));
      strUsage += HelpMessageOpt("-onion=<ip:port>", strprintf(_("Use separate SOCKS5 proxy to reach peers via Tor hidden services (default: %s)"), "-proxy"));
      strUsage += HelpMessageOpt("-onlynet=<net>", _("Only connect to nodes in network <net> (ipv4, ipv6 or onion)"));
      strUsage += HelpMessageOpt("-permitbaremultisig", strprintf(_("Relay non-P2SH multisig (default: %u)"), DEFAULT_PERMIT_BAREMULTISIG));
      strUsage += HelpMessageOpt("-peerbloomfilters", strprintf(_("Support filtering of blocks and transaction with bloom filters (default: %u)"), DEFAULT_PEERBLOOMFILTERS));
      strUsage += HelpMessageOpt("-port=<port>", strprintf(_("Listen for connections on <port> (default: %u or testnet: %u)"), Params(CBaseChainParams::MAIN).GetDefaultPort(), Params(CBaseChainParams::TESTNET).GetDefaultPort()));
      strUsage += HelpMessageOpt("-proxy=<ip:port>", _("Connect through SOCKS5 proxy"));
      strUsage += HelpMessageOpt("-proxyrandomize", strprintf(_("Randomize credentials for every proxy connection. This enables Tor stream isolation (default: %u)"), DEFAULT_PROXYRANDOMIZE));
      strUsage += HelpMessageOpt("-seednode=<ip>", _("Connect to a node to retrieve peer addresses, and disconnect"));
      strUsage += HelpMessageOpt("-timeout=<n>", strprintf(_("Specify connection timeout in milliseconds (minimum: 1, default: %d)"), DEFAULT_CONNECT_TIMEOUT));
      strUsage += HelpMessageOpt("-torcontrol=<ip>:<port>", strprintf(_("Tor control port to use if onion listening enabled (default: %s)"), DEFAULT_TOR_CONTROL));
      strUsage += HelpMessageOpt("-torpassword=<pass>", _("Tor control port password (default: empty)"));
  #ifdef USE_UPNP
  #if USE_UPNP
      strUsage += HelpMessageOpt("-upnp", _("Use UPnP to map the listening port (default: 1 when listening and no -proxy)"));
  #else
      strUsage += HelpMessageOpt("-upnp", strprintf(_("Use UPnP to map the listening port (default: %u)"), 0));
  #endif
  #endif
      strUsage += HelpMessageOpt("-whitebind=<addr>", _("Bind to given address and whitelist peers connecting to it. Use [host]:port notation for IPv6"));
      strUsage += HelpMessageOpt("-whitelist=<IP address or network>", _("Whitelist peers connecting from the given IP address (e.g. 1.2.3.4) or CIDR notated network (e.g. 1.2.3.0/24). Can be specified multiple times.") +
          " " + _("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"));
      strUsage += HelpMessageOpt("-whitelistrelay", strprintf(_("Accept relayed transactions received from whitelisted peers even when not relaying transactions (default: %d)"), DEFAULT_WHITELISTRELAY));
      strUsage += HelpMessageOpt("-whitelistforcerelay", strprintf(_("Force relay of transactions from whitelisted peers even if they violate local relay policy (default: %d)"), DEFAULT_WHITELISTFORCERELAY));
      strUsage += HelpMessageOpt("-maxuploadtarget=<n>", strprintf(_("Tries to keep outbound traffic under the given target (in MiB per 24h), 0 = no limit (default: %d)"), DEFAULT_MAX_UPLOAD_TARGET));
  
  #ifdef ENABLE_WALLET
      strUsage += CWallet::GetWalletHelpString(showDebug);
      if (mode == HMM_BITCOIN_QT)
          strUsage += HelpMessageOpt("-windowtitle=<name>", _("Wallet window title"));
  #endif
  
  #if ENABLE_ZMQ
      strUsage += HelpMessageGroup(_("ZeroMQ notification options:"));
      strUsage += HelpMessageOpt("-zmqpubhashblock=<address>", _("Enable publish hash block in <address>"));
      strUsage += HelpMessageOpt("-zmqpubhashtx=<address>", _("Enable publish hash transaction in <address>"));
      strUsage += HelpMessageOpt("-zmqpubhashtxlock=<address>", _("Enable publish hash transaction (locked via InstantSend) in <address>"));
      strUsage += HelpMessageOpt("-zmqpubrawblock=<address>", _("Enable publish raw block in <address>"));
      strUsage += HelpMessageOpt("-zmqpubrawtx=<address>", _("Enable publish raw transaction in <address>"));
      strUsage += HelpMessageOpt("-zmqpubrawtxlock=<address>", _("Enable publish raw transaction (locked via InstantSend) in <address>"));
  #endif
  
      strUsage += HelpMessageGroup(_("Debugging/Testing options:"));
      strUsage += HelpMessageOpt("-uacomment=<cmt>", _("Append comment to the user agent string"));
      if (showDebug)
      {
          strUsage += HelpMessageOpt("-checkblocks=<n>", strprintf(_("How many blocks to check at startup (default: %u, 0 = all)"), DEFAULT_CHECKBLOCKS));
          strUsage += HelpMessageOpt("-checklevel=<n>", strprintf(_("How thorough the block verification of -checkblocks is (0-4, default: %u)"), DEFAULT_CHECKLEVEL));
          strUsage += HelpMessageOpt("-checkblockindex", strprintf("Do a full consistency check for mapBlockIndex, setBlockIndexCandidates, chainActive and mapBlocksUnlinked occasionally. Also sets -checkmempool (default: %u)", Params(CBaseChainParams::MAIN).DefaultConsistencyChecks()));
          strUsage += HelpMessageOpt("-checkmempool=<n>", strprintf("Run checks every <n> transactions (default: %u)", Params(CBaseChainParams::MAIN).DefaultConsistencyChecks()));
          strUsage += HelpMessageOpt("-checkpoints", strprintf("Disable expensive verification for known chain history (default: %u)", DEFAULT_CHECKPOINTS_ENABLED));
          strUsage += HelpMessageOpt("-disablesafemode", strprintf("Disable safemode, override a real safe mode event (default: %u)", DEFAULT_DISABLE_SAFEMODE));
          strUsage += HelpMessageOpt("-testsafemode", strprintf("Force safe mode (default: %u)", DEFAULT_TESTSAFEMODE));
          strUsage += HelpMessageOpt("-dropmessagestest=<n>", "Randomly drop 1 of every <n> network messages");
          strUsage += HelpMessageOpt("-fuzzmessagestest=<n>", "Randomly fuzz 1 of every <n> network messages");
          strUsage += HelpMessageOpt("-stopafterblockimport", strprintf("Stop running after importing blocks from disk (default: %u)", DEFAULT_STOPAFTERBLOCKIMPORT));
          strUsage += HelpMessageOpt("-limitancestorcount=<n>", strprintf("Do not accept transactions if number of in-mempool ancestors is <n> or more (default: %u)", DEFAULT_ANCESTOR_LIMIT));
          strUsage += HelpMessageOpt("-limitancestorsize=<n>", strprintf("Do not accept transactions whose size with all in-mempool ancestors exceeds <n> kilobytes (default: %u)", DEFAULT_ANCESTOR_SIZE_LIMIT));
          strUsage += HelpMessageOpt("-limitdescendantcount=<n>", strprintf("Do not accept transactions if any ancestor would have <n> or more in-mempool descendants (default: %u)", DEFAULT_DESCENDANT_LIMIT));
          strUsage += HelpMessageOpt("-limitdescendantsize=<n>", strprintf("Do not accept transactions if any ancestor would have more than <n> kilobytes of in-mempool descendants (default: %u).", DEFAULT_DESCENDANT_SIZE_LIMIT));
          strUsage += HelpMessageOpt("-bip9params=deployment:start:end", "Use given start/end times for specified BIP9 deployment (regtest-only)");
      }
      std::string debugCategories = "addrman, alert, bench, cmpctblock, coindb, db, http, leveldb, libevent, lock, mempool, mempoolrej, net, proxy, prune, rand, reindex, rpc, selectcoins, tor, zmq, "
                                    "bitlioncoin (or specifically: gobject, instantsend, keepass, masternode, mnpayments, mnsync, privatesend, spork)"; // Don't translate these and qt below
      if (mode == HMM_BITCOIN_QT)
          debugCategories += ", qt";
      strUsage += HelpMessageOpt("-debug=<category>", strprintf(_("Output debugging information (default: %u, supplying <category> is optional)"), 0) + ". " +
          _("If <category> is not supplied or if <category> = 1, output all debugging information.") + _("<category> can be:") + " " + debugCategories + ".");
      if (showDebug)
          strUsage += HelpMessageOpt("-nodebug", "Turn off debugging messages, same as -debug=0");
      strUsage += HelpMessageOpt("-help-debug", _("Show all debugging options (usage: --help -help-debug)"));
      strUsage += HelpMessageOpt("-logips", strprintf(_("Include IP addresses in debug output (default: %u)"), DEFAULT_LOGIPS));
      strUsage += HelpMessageOpt("-logtimestamps", strprintf(_("Prepend debug output with timestamp (default: %u)"), DEFAULT_LOGTIMESTAMPS));
      if (showDebug)
      {
          strUsage += HelpMessageOpt("-logtimemicros", strprintf("Add microsecond precision to debug timestamps (default: %u)", DEFAULT_LOGTIMEMICROS));
          strUsage += HelpMessageOpt("-logthreadnames", strprintf("Add thread names to debug messages (default: %u)", DEFAULT_LOGTHREADNAMES));
          strUsage += HelpMessageOpt("-mocktime=<n>", "Replace actual time with <n> seconds since epoch (default: 0)");
          strUsage += HelpMessageOpt("-limitfreerelay=<n>", strprintf("Continuously rate-limit free transactions to <n>*1000 bytes per minute (default: %u)", DEFAULT_LIMITFREERELAY));
          strUsage += HelpMessageOpt("-relaypriority", strprintf("Require high priority for relaying free or low-fee transactions (default: %u)", DEFAULT_RELAYPRIORITY));
          strUsage += HelpMessageOpt("-maxsigcachesize=<n>", strprintf("Limit size of signature cache to <n> MiB (default: %u)", DEFAULT_MAX_SIG_CACHE_SIZE));
          strUsage += HelpMessageOpt("-maxtipage=<n>", strprintf("Maximum tip age in seconds to consider node in initial block download (default: %u)", DEFAULT_MAX_TIP_AGE));
      }
      strUsage += HelpMessageOpt("-minrelaytxfee=<amt>", strprintf(_("Fees (in %s/kB) smaller than this are considered zero fee for relaying, mining and transaction creation (default: %s)"),
          CURRENCY_UNIT, FormatMoney(DEFAULT_MIN_RELAY_TX_FEE)));
      strUsage += HelpMessageOpt("-maxtxfee=<amt>", strprintf(_("Maximum total fees (in %s) to use in a single wallet transaction or raw transaction; setting this too low may abort large transactions (default: %s)"),
          CURRENCY_UNIT, FormatMoney(DEFAULT_TRANSACTION_MAXFEE)));
      strUsage += HelpMessageOpt("-printtoconsole", _("Send trace/debug info to console instead of debug.log file"));
      strUsage += HelpMessageOpt("-printtodebuglog", strprintf(_("Send trace/debug info to debug.log file (default: %u)"), 1));
      if (showDebug)
      {
          strUsage += HelpMessageOpt("-printpriority", strprintf("Log transaction priority and fee per kB when mining blocks (default: %u)", DEFAULT_PRINTPRIORITY));
      }
      strUsage += HelpMessageOpt("-shrinkdebugfile", _("Shrink debug.log file on client startup (default: 1 when no -debug)"));
      AppendParamsHelpMessages(strUsage, showDebug);
      strUsage += HelpMessageOpt("-litemode=<n>", strprintf(_("Disable all bitlioncoin specific functionality (Masternodes, PrivateSend, InstantSend, Governance) (0-1, default: %u)"), 0));
      strUsage += HelpMessageOpt("-sporkaddr=<hex>", strprintf(_("Override spork address. Only useful for regtest and devnet. Using this on mainnet or testnet will ban you.")));
  
      strUsage += HelpMessageGroup(_("Masternode options:"));
      strUsage += HelpMessageOpt("-masternode=<n>", strprintf(_("Enable the client to act as a masternode (0-1, default: %u)"), 0));
      strUsage += HelpMessageOpt("-mnconf=<file>", strprintf(_("Specify masternode configuration file (default: %s)"), "masternode.conf"));
      strUsage += HelpMessageOpt("-mnconflock=<n>", strprintf(_("Lock masternodes from masternode configuration file (default: %u)"), 1));
      strUsage += HelpMessageOpt("-masternodeprivkey=<n>", _("Set the masternode private key"));
  
  #ifdef ENABLE_WALLET
      strUsage += HelpMessageGroup(_("PrivateSend options:"));
      strUsage += HelpMessageOpt("-enableprivatesend=<n>", strprintf(_("Enable use of automated PrivateSend for funds stored in this wallet (0-1, default: %u)"), 0));
      strUsage += HelpMessageOpt("-privatesendmultisession=<n>", strprintf(_("Enable multiple PrivateSend mixing sessions per block, experimental (0-1, default: %u)"), DEFAULT_PRIVATESEND_MULTISESSION));
      strUsage += HelpMessageOpt("-privatesendrounds=<n>", strprintf(_("Use N separate masternodes for each denominated input to mix funds (%u-%u, default: %u)"), MIN_PRIVATESEND_ROUNDS, MAX_PRIVATESEND_ROUNDS, DEFAULT_PRIVATESEND_ROUNDS));
      strUsage += HelpMessageOpt("-privatesendamount=<n>", strprintf(_("Keep N BTLC anonymized (%u-%u, default: %u)"), MIN_PRIVATESEND_AMOUNT, MAX_PRIVATESEND_AMOUNT, DEFAULT_PRIVATESEND_AMOUNT));
      strUsage += HelpMessageOpt("-liquidityprovider=<n>", strprintf(_("Provide liquidity to PrivateSend by infrequently mixing coins on a continual basis (%u-%u, default: %u, 1=very frequent, high fees, %u=very infrequent, low fees)"),
          MIN_PRIVATESEND_LIQUIDITY, MAX_PRIVATESEND_LIQUIDITY, DEFAULT_PRIVATESEND_LIQUIDITY, MAX_PRIVATESEND_LIQUIDITY));
  #endif // ENABLE_WALLET
  
      strUsage += HelpMessageGroup(_("InstantSend options:"));
      strUsage += HelpMessageOpt("-enableinstantsend=<n>", strprintf(_("Enable InstantSend, show confirmations for locked transactions (0-1, default: %u)"), 1));
      strUsage += HelpMessageOpt("-instantsenddepth=<n>", strprintf(_("Show N confirmations for a successfully locked transaction (%u-%u, default: %u)"), MIN_INSTANTSEND_DEPTH, MAX_INSTANTSEND_DEPTH, DEFAULT_INSTANTSEND_DEPTH));
      strUsage += HelpMessageOpt("-instantsendnotify=<cmd>", _("Execute command when a wallet InstantSend transaction is successfully locked (%s in cmd is replaced by TxID)"));
  
  
      strUsage += HelpMessageGroup(_("Node relay options:"));
      if (showDebug) {
          strUsage += HelpMessageOpt("-acceptnonstdtxn", strprintf("Relay and mine \"non-standard\" transactions (%sdefault: %u)", "testnet/regtest only; ", !Params(CBaseChainParams::TESTNET).RequireStandard()));
          strUsage += HelpMessageOpt("-incrementalrelayfee=<amt>", strprintf("Fee rate (in %s/kB) used to define cost of relay, used for mempool limiting and BIP 125 replacement. (default: %s)", CURRENCY_UNIT, FormatMoney(DEFAULT_INCREMENTAL_RELAY_FEE)));
          strUsage += HelpMessageOpt("-dustrelayfee=<amt>", strprintf("Fee rate (in %s/kB) used to defined dust, the value of an output such that it will cost about 1/3 of its value in fees at this fee rate to spend it. (default: %s)", CURRENCY_UNIT, FormatMoney(DUST_RELAY_TX_FEE)));
      }
      strUsage += HelpMessageOpt("-bytespersigop", strprintf(_("Minimum bytes per sigop in transactions we relay and mine (default: %u)"), DEFAULT_BYTES_PER_SIGOP));
      strUsage += HelpMessageOpt("-datacarrier", strprintf(_("Relay and mine data carrier transactions (default: %u)"), DEFAULT_ACCEPT_DATACARRIER));
      strUsage += HelpMessageOpt("-datacarriersize", strprintf(_("Maximum size of data in data carrier transactions we relay and mine (default: %u)"), MAX_OP_RETURN_RELAY));
      strUsage += HelpMessageOpt("-mempoolreplacement", strprintf(_("Enable transaction replacement in the memory pool (default: %u)"), DEFAULT_ENABLE_REPLACEMENT));
  
      strUsage += HelpMessageGroup(_("Block creation options:"));
      strUsage += HelpMessageOpt("-blockmaxsize=<n>", strprintf(_("Set maximum block size in bytes (default: %d)"), DEFAULT_BLOCK_MAX_SIZE));
      strUsage += HelpMessageOpt("-blockprioritysize=<n>", strprintf(_("Set maximum size of high-priority/low-fee transactions in bytes (default: %d)"), DEFAULT_BLOCK_PRIORITY_SIZE));
      strUsage += HelpMessageOpt("-blockmintxfee=<amt>", strprintf(_("Set lowest fee rate (in %s/kB) for transactions to be included in block creation. (default: %s)"), CURRENCY_UNIT, FormatMoney(DEFAULT_BLOCK_MIN_TX_FEE)));
      if (showDebug)
          strUsage += HelpMessageOpt("-blockversion=<n>", "Override block version to test forking scenarios");
  
      strUsage += HelpMessageGroup(_("RPC server options:"));
      strUsage += HelpMessageOpt("-server", _("Accept command line and JSON-RPC commands"));
      strUsage += HelpMessageOpt("-rest", strprintf(_("Accept public REST requests (default: %u)"), DEFAULT_REST_ENABLE));
      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)"));
      strUsage += HelpMessageOpt("-rpccookiefile=<loc>", _("Location of the auth cookie (default: data dir)"));
      strUsage += HelpMessageOpt("-rpcuser=<user>", _("Username for JSON-RPC connections"));
      strUsage += HelpMessageOpt("-rpcpassword=<pw>", _("Password for JSON-RPC connections"));
      strUsage += HelpMessageOpt("-rpcauth=<userpw>", _("Username and hashed password for JSON-RPC connections. The field <userpw> comes in the format: <USERNAME>:<SALT>$<HASH>. A canonical python script is included in share/rpcuser. The client then connects normally using the rpcuser=<USERNAME>/rpcpassword=<PASSWORD> pair of arguments. This option can be specified multiple times"));
      strUsage += HelpMessageOpt("-rpcport=<port>", strprintf(_("Listen for JSON-RPC connections on <port> (default: %u or testnet: %u)"), BaseParams(CBaseChainParams::MAIN).RPCPort(), BaseParams(CBaseChainParams::TESTNET).RPCPort()));
      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"));
      strUsage += HelpMessageOpt("-rpcthreads=<n>", strprintf(_("Set the number of threads to service RPC calls (default: %d)"), DEFAULT_HTTP_THREADS));
      if (showDebug) {
          strUsage += HelpMessageOpt("-rpcworkqueue=<n>", strprintf("Set the depth of the work queue to service RPC calls (default: %d)", DEFAULT_HTTP_WORKQUEUE));
          strUsage += HelpMessageOpt("-rpcservertimeout=<n>", strprintf("Timeout during HTTP requests (default: %d)", DEFAULT_HTTP_SERVER_TIMEOUT));
      }
  
      return strUsage;
  }
  
  std::string LicenseInfo()
  {
      const std::string URL_SOURCE_CODE = "<>";
      const std::string URL_WEBSITE = "<>";
  
      return CopyrightHolders(_("Copyright (C)"), 2014, COPYRIGHT_YEAR) + "\n" +
             "\n" +
             strprintf(_("Please contribute if you find %s useful. "
                         "Visit %s for further information about the software."),
                 PACKAGE_NAME, URL_WEBSITE) +
             "\n" +
             strprintf(_("The source code is available from %s."),
                 URL_SOURCE_CODE) +
             "\n" +
             "\n" +
             _("This is experimental software.") + "\n" +
             strprintf(_("Distributed under the MIT software license, see the accompanying file %s or %s"), "COPYING", "<https://opensource.org/licenses/MIT>") + "\n" +
             "\n" +
             strprintf(_("This product includes software developed by the OpenSSL Project for use in the OpenSSL Toolkit %s and cryptographic software written by Eric Young and UPnP software written by Thomas Bernard."), "<https://www.openssl.org>") +
             "\n";
  }
  
  static void BlockNotifyCallback(bool initialSync, const CBlockIndex *pBlockIndex)
  {
      if (initialSync || !pBlockIndex)
          return;
  
      std::string strCmd = GetArg("-blocknotify", "");
  
      boost::replace_all(strCmd, "%s", pBlockIndex->GetBlockHash().GetHex());
      boost::thread t(runCommand, strCmd); // thread runs free
  }
  
  static bool fHaveGenesis = false;
  static boost::mutex cs_GenesisWait;
  static CConditionVariable condvar_GenesisWait;
  
  static void BlockNotifyGenesisWait(bool, const CBlockIndex *pBlockIndex)
  {
      if (pBlockIndex != NULL) {
          {
              boost::unique_lock<boost::mutex> lock_GenesisWait(cs_GenesisWait);
              fHaveGenesis = true;
          }
          condvar_GenesisWait.notify_all();
      }
  }
  
  struct CImportingNow
  {
      CImportingNow() {
          assert(fImporting == false);
          fImporting = true;
      }
  
      ~CImportingNow() {
          assert(fImporting == true);
          fImporting = false;
      }
  };
  
  
  // If we're using -prune with -reindex, then delete block files that will be ignored by the
  // reindex.  Since reindexing works by starting at block file 0 and looping until a blockfile
  // is missing, do the same here to delete any later block files after a gap.  Also delete all
  // rev files since they'll be rewritten by the reindex anyway.  This ensures that vinfoBlockFile
  // is in sync with what's actually on disk by the time we start downloading, so that pruning
  // works correctly.
  void CleanupBlockRevFiles()
  {
      std::map<std::string, boost::filesystem::path> mapBlockFiles;
  
      // Glob all blk?????.dat and rev?????.dat files from the blocks directory.
      // Remove the rev files immediately and insert the blk file paths into an
      // ordered map keyed by block file index.
      LogPrintf("Removing unusable blk?????.dat and rev?????.dat files for -reindex with -prune\n");
      boost::filesystem::path blocksdir = GetDataDir() / "blocks";
      for (boost::filesystem::directory_iterator it(blocksdir); it != boost::filesystem::directory_iterator(); it++) {
          if (is_regular_file(*it) &&
              it->path().filename().string().length() == 12 &&
              it->path().filename().string().substr(8,4) == ".dat")
          {
              if (it->path().filename().string().substr(0,3) == "blk")
                  mapBlockFiles[it->path().filename().string().substr(3,5)] = it->path();
              else if (it->path().filename().string().substr(0,3) == "rev")
                  remove(it->path());
          }
      }
  
      // Remove all block files that aren't part of a contiguous set starting at
      // zero by walking the ordered map (keys are block file indices) by
      // keeping a separate counter.  Once we hit a gap (or if 0 doesn't exist)
      // start removing block files.
      int nContigCounter = 0;
      BOOST_FOREACH(const PAIRTYPE(std::string, boost::filesystem::path)& item, mapBlockFiles) {
          if (atoi(item.first) == nContigCounter) {
              nContigCounter++;
              continue;
          }
          remove(item.second);
      }
  }
  
  void ThreadImport(std::vector<boost::filesystem::path> vImportFiles)
  {
      const CChainParams& chainparams = Params();
      RenameThread("bitlioncoin-loadblk");
  
      {
      CImportingNow imp;
  
      // -reindex
      if (fReindex) {
          int nFile = 0;
          while (true) {
              CDiskBlockPos pos(nFile, 0);
              if (!boost::filesystem::exists(GetBlockPosFilename(pos, "blk")))
                  break; // No block files left to reindex
              FILE *file = OpenBlockFile(pos, true);
              if (!file)
                  break; // This error is logged in OpenBlockFile
              LogPrintf("Reindexing block file blk%05u.dat...\n", (unsigned int)nFile);
              LoadExternalBlockFile(chainparams, file, &pos);
              nFile++;
          }
          pblocktree->WriteReindexing(false);
          fReindex = false;
          LogPrintf("Reindexing finished\n");
          // To avoid ending up in a situation without genesis block, re-try initializing (no-op if reindexing worked):
          InitBlockIndex(chainparams);
      }
  
      // hardcoded $DATADIR/bootstrap.dat
      boost::filesystem::path pathBootstrap = GetDataDir() / "bootstrap.dat";
      if (boost::filesystem::exists(pathBootstrap)) {
          FILE *file = fopen(pathBootstrap.string().c_str(), "rb");
          if (file) {
              boost::filesystem::path pathBootstrapOld = GetDataDir() / "bootstrap.dat.old";
              LogPrintf("Importing bootstrap.dat...\n");
              LoadExternalBlockFile(chainparams, file);
              RenameOver(pathBootstrap, pathBootstrapOld);
          } else {
              LogPrintf("Warning: Could not open bootstrap file %s\n", pathBootstrap.string());
          }
      }
  
      // -loadblock=
      BOOST_FOREACH(const boost::filesystem::path& path, vImportFiles) {
          FILE *file = fopen(path.string().c_str(), "rb");
          if (file) {
              LogPrintf("Importing blocks file %s...\n", path.string());
              LoadExternalBlockFile(chainparams, file);
          } else {
              LogPrintf("Warning: Could not open blocks file %s\n", path.string());
          }
      }
  
      // scan for better chains in the block chain database, that are not yet connected in the active best chain
      CValidationState state;
      if (!ActivateBestChain(state, chainparams)) {
          LogPrintf("Failed to connect best block");
          StartShutdown();
      }
  
      if (GetBoolArg("-stopafterblockimport", DEFAULT_STOPAFTERBLOCKIMPORT)) {
          LogPrintf("Stopping after block import\n");
          StartShutdown();
      }
      } // End scope of CImportingNow
      LoadMempool();
      fDumpMempoolLater = !fRequestShutdown;
  }
  
  /** Sanity checks
   *  Ensure that bitlioncoin Core is running in a usable environment with all
   *  necessary library support.
   */
  bool InitSanityCheck(void)
  {
      if(!ECC_InitSanityCheck()) {
          InitError("Elliptic curve cryptography sanity check failure. Aborting.");
          return false;
      }
      if (!glibc_sanity_test() || !glibcxx_sanity_test())
          return false;
  
      return true;
  }
  
  bool AppInitServers(boost::thread_group& threadGroup)
  {
      RPCServer::OnStarted(&OnRPCStarted);
      RPCServer::OnStopped(&OnRPCStopped);
      RPCServer::OnPreCommand(&OnRPCPreCommand);
      if (!InitHTTPServer())
          return false;
      if (!StartRPC())
          return false;
      if (!StartHTTPRPC())
          return false;
      if (GetBoolArg("-rest", DEFAULT_REST_ENABLE) && !StartREST())
          return false;
      if (!StartHTTPServer())
          return false;
      return true;
  }
  
  // Parameter interaction based on rules
  void InitParameterInteraction()
  {
      // when specifying an explicit binding address, you want to listen on it
      // even when -connect or -proxy is specified
      if (IsArgSet("-bind")) {
          if (SoftSetBoolArg("-listen", true))
              LogPrintf("%s: parameter interaction: -bind set -> setting -listen=1\n", __func__);
      }
      if (IsArgSet("-whitebind")) {
          if (SoftSetBoolArg("-listen", true))
              LogPrintf("%s: parameter interaction: -whitebind set -> setting -listen=1\n", __func__);
      }
  
      if (GetBoolArg("-masternode", false)) {
          // masternodes MUST accept connections from outside
          ForceSetArg("-listen", "1");
          LogPrintf("%s: parameter interaction: -masternode=1 -> setting -listen=1\n", __func__);
          if (GetArg("-maxconnections", DEFAULT_MAX_PEER_CONNECTIONS) < DEFAULT_MAX_PEER_CONNECTIONS) {
              // masternodes MUST be able to handle at least DEFAULT_MAX_PEER_CONNECTIONS connections
              ForceSetArg("-maxconnections", itostr(DEFAULT_MAX_PEER_CONNECTIONS));
              LogPrintf("%s: parameter interaction: -masternode=1 -> setting -maxconnections=%d\n", __func__, DEFAULT_MAX_PEER_CONNECTIONS);
          }
      }
  
      if (mapMultiArgs.count("-connect") && mapMultiArgs.at("-connect").size() > 0) {
          // when only connecting to trusted nodes, do not seed via DNS, or listen by default
          if (SoftSetBoolArg("-dnsseed", false))
              LogPrintf("%s: parameter interaction: -connect set -> setting -dnsseed=0\n", __func__);
          if (SoftSetBoolArg("-listen", false))
              LogPrintf("%s: parameter interaction: -connect set -> setting -listen=0\n", __func__);
      }
  
      if (IsArgSet("-proxy")) {
          // to protect privacy, do not listen by default if a default proxy server is specified
          if (SoftSetBoolArg("-listen", false))
              LogPrintf("%s: parameter interaction: -proxy set -> setting -listen=0\n", __func__);
          // to protect privacy, do not use UPNP when a proxy is set. The user may still specify -listen=1
          // to listen locally, so don't rely on this happening through -listen below.
          if (SoftSetBoolArg("-upnp", false))
              LogPrintf("%s: parameter interaction: -proxy set -> setting -upnp=0\n", __func__);
          // to protect privacy, do not discover addresses by default
          if (SoftSetBoolArg("-discover", false))
              LogPrintf("%s: parameter interaction: -proxy set -> setting -discover=0\n", __func__);
      }
  
      if (!GetBoolArg("-listen", DEFAULT_LISTEN)) {
          // do not map ports or try to retrieve public IP when not listening (pointless)
          if (SoftSetBoolArg("-upnp", false))
              LogPrintf("%s: parameter interaction: -listen=0 -> setting -upnp=0\n", __func__);
          if (SoftSetBoolArg("-discover", false))
              LogPrintf("%s: parameter interaction: -listen=0 -> setting -discover=0\n", __func__);
          if (SoftSetBoolArg("-listenonion", false))
              LogPrintf("%s: parameter interaction: -listen=0 -> setting -listenonion=0\n", __func__);
      }
  
      if (IsArgSet("-externalip")) {
          // if an explicit public IP is specified, do not try to find others
          if (SoftSetBoolArg("-discover", false))
              LogPrintf("%s: parameter interaction: -externalip set -> setting -discover=0\n", __func__);
      }
  
      // disable whitelistrelay in blocksonly mode
      if (GetBoolArg("-blocksonly", DEFAULT_BLOCKSONLY)) {
          if (SoftSetBoolArg("-whitelistrelay", false))
              LogPrintf("%s: parameter interaction: -blocksonly=1 -> setting -whitelistrelay=0\n", __func__);
      }
  
      // Forcing relay from whitelisted hosts implies we will accept relays from them in the first place.
      if (GetBoolArg("-whitelistforcerelay", DEFAULT_WHITELISTFORCERELAY)) {
          if (SoftSetBoolArg("-whitelistrelay", true))
              LogPrintf("%s: parameter interaction: -whitelistforcerelay=1 -> setting -whitelistrelay=1\n", __func__);
      }
  
      if(!GetBoolArg("-enableinstantsend", fEnableInstantSend)){
          if (SoftSetArg("-instantsenddepth", "0"))
              LogPrintf("%s: parameter interaction: -enableinstantsend=false -> setting -nInstantSendDepth=0\n", __func__);
      }
  
  #ifdef ENABLE_WALLET
      int nLiqProvTmp = GetArg("-liquidityprovider", DEFAULT_PRIVATESEND_LIQUIDITY);
      if (nLiqProvTmp > 0) {
          ForceSetArg("-enableprivatesend", "1");
          LogPrintf("%s: parameter interaction: -liquidityprovider=%d -> setting -enableprivatesend=1\n", __func__, nLiqProvTmp);
          ForceSetArg("-privatesendrounds", itostr(std::numeric_limits<int>::max()));
          LogPrintf("%s: parameter interaction: -liquidityprovider=%d -> setting -privatesendrounds=%d\n", __func__, nLiqProvTmp, itostr(std::numeric_limits<int>::max()));
          ForceSetArg("-privatesendamount", itostr(MAX_PRIVATESEND_AMOUNT));
          LogPrintf("%s: parameter interaction: -liquidityprovider=%d -> setting -privatesendamount=%d\n", __func__, nLiqProvTmp, MAX_PRIVATESEND_AMOUNT);
          ForceSetArg("-privatesendmultisession", "0");
          LogPrintf("%s: parameter interaction: -liquidityprovider=%d -> setting -privatesendmultisession=0\n", __func__, nLiqProvTmp);
      }
  
      if (IsArgSet("-hdseed") && IsHex(GetArg("-hdseed", "not hex")) && (IsArgSet("-mnemonic") || IsArgSet("-mnemonicpassphrase"))) {
          ForceRemoveArg("-mnemonic");
          ForceRemoveArg("-mnemonicpassphrase");
          LogPrintf("%s: parameter interaction: can't use -hdseed and -mnemonic/-mnemonicpassphrase together, will prefer -seed\n", __func__);
      }
  #endif // ENABLE_WALLET
  
      // Make sure additional indexes are recalculated correctly in VerifyDB
      // (we must reconnect blocks whenever we disconnect them for these indexes to work)
      bool fAdditionalIndexes =
          GetBoolArg("-addressindex", DEFAULT_ADDRESSINDEX) ||
          GetBoolArg("-spentindex", DEFAULT_SPENTINDEX) ||
          GetBoolArg("-timestampindex", DEFAULT_TIMESTAMPINDEX);
  
      if (fAdditionalIndexes && GetArg("-checklevel", DEFAULT_CHECKLEVEL) < 4) {
          ForceSetArg("-checklevel", "4");
          LogPrintf("%s: parameter interaction: additional indexes -> setting -checklevel=4\n", __func__);
      }
  }
  
  static std::string ResolveErrMsg(const char * const optname, const std::string& strBind)
  {
      return strprintf(_("Cannot resolve -%s address: '%s'"), optname, strBind);
  }
  
  void InitLogging()
  {
      fPrintToConsole = GetBoolArg("-printtoconsole", false);
      fPrintToDebugLog = GetBoolArg("-printtodebuglog", true) && !fPrintToConsole;
      fLogTimestamps = GetBoolArg("-logtimestamps", DEFAULT_LOGTIMESTAMPS);
      fLogTimeMicros = GetBoolArg("-logtimemicros", DEFAULT_LOGTIMEMICROS);
      fLogThreadNames = GetBoolArg("-logthreadnames", DEFAULT_LOGTHREADNAMES);
      fLogIPs = GetBoolArg("-logips", DEFAULT_LOGIPS);
  
      LogPrintf("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n");
      LogPrintf("bitlioncoin Core version %s\n", FormatFullVersion());
  }
  
  namespace { // Variables internal to initialization process only
  
  ServiceFlags nRelevantServices = NODE_NETWORK;
  int nMaxConnections;
  int nUserMaxConnections;
  int nFD;
  ServiceFlags nLocalServices = NODE_NETWORK;
  
  }
  
  [[noreturn]] static void new_handler_terminate()
  {
      // Rather than throwing std::bad-alloc if allocation fails, terminate
      // immediately to (try to) avoid chain corruption.
      // Since LogPrintf may itself allocate memory, set the handler directly
      // to terminate first.
      std::set_new_handler(std::terminate);
      LogPrintf("Error: Out of memory. Terminating.\n");
  
      // The log was successful, terminate now.
      std::terminate();
  };
  
  bool AppInitBasicSetup()
  {
      // ********************************************************* Step 1: setup
  #ifdef _MSC_VER
      // Turn off Microsoft heap dump noise
      _CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE);
      _CrtSetReportFile(_CRT_WARN, CreateFileA("NUL", GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0));
  #endif
  #if _MSC_VER >= 1400
      // Disable confusing "helpful" text message on abort, Ctrl-C
      _set_abort_behavior(0, _WRITE_ABORT_MSG | _CALL_REPORTFAULT);
  #endif
  #ifdef WIN32
      // Enable Data Execution Prevention (DEP)
      // Minimum supported OS versions: WinXP SP3, WinVista >= SP1, Win Server 2008
      // A failure is non-critical and needs no further attention!
  #ifndef PROCESS_DEP_ENABLE
      // We define this here, because GCCs winbase.h limits this to _WIN32_WINNT >= 0x0601 (Windows 7),
      // which is not correct. Can be removed, when GCCs winbase.h is fixed!
  #define PROCESS_DEP_ENABLE 0x00000001
  #endif
      typedef BOOL (WINAPI *PSETPROCDEPPOL)(DWORD);
      PSETPROCDEPPOL setProcDEPPol = (PSETPROCDEPPOL)GetProcAddress(GetModuleHandleA("Kernel32.dll"), "SetProcessDEPPolicy");
      if (setProcDEPPol != NULL) setProcDEPPol(PROCESS_DEP_ENABLE);
  #endif
  
      if (!SetupNetworking())
          return InitError("Initializing networking failed");
  
  #ifndef WIN32
      if (!GetBoolArg("-sysperms", false)) {
          umask(077);
      }
  
      // Clean shutdown on SIGTERM
      struct sigaction sa;
      sa.sa_handler = HandleSIGTERM;
      sigemptyset(&sa.sa_mask);
      sa.sa_flags = 0;
      sigaction(SIGTERM, &sa, NULL);
      sigaction(SIGINT, &sa, NULL);
  
      // Reopen debug.log on SIGHUP
      struct sigaction sa_hup;
      sa_hup.sa_handler = HandleSIGHUP;
      sigemptyset(&sa_hup.sa_mask);
      sa_hup.sa_flags = 0;
      sigaction(SIGHUP, &sa_hup, NULL);
  
      // Ignore SIGPIPE, otherwise it will bring the daemon down if the client closes unexpectedly
      signal(SIGPIPE, SIG_IGN);
  #endif
  
      std::set_new_handler(new_handler_terminate);
  
      return true;
  }
  
  bool AppInitParameterInteraction()
  {
      const CChainParams& chainparams = Params();
      // ********************************************************* Step 2: parameter interactions
  
      // also see: InitParameterInteraction()
  
      // if using block pruning, then disallow txindex
      if (GetArg("-prune", 0)) {
          if (GetBoolArg("-txindex", DEFAULT_TXINDEX))
              return InitError(_("Prune mode is incompatible with -txindex."));
      }
  
      if (IsArgSet("-devnet")) {
          // Require setting of ports when running devnet
          if (GetArg("-listen", DEFAULT_LISTEN) && !IsArgSet("-port"))
              return InitError(_("-port must be specified when -devnet and -listen are specified"));
          if (GetArg("-server", false) && !IsArgSet("-rpcport"))
              return InitError(_("-rpcport must be specified when -devnet and -server are specified"));
  
          if (mapMultiArgs.count("-devnet") > 1)
              return InitError(_("-devnet can only be specified once"));
      }
  
      fAllowPrivateNet = GetBoolArg("-allowprivatenet", DEFAULT_ALLOWPRIVATENET);
  
      // Make sure enough file descriptors are available
      int nBind = std::max(
                  (mapMultiArgs.count("-bind") ? mapMultiArgs.at("-bind").size() : 0) +
                  (mapMultiArgs.count("-whitebind") ? mapMultiArgs.at("-whitebind").size() : 0), size_t(1));
      nUserMaxConnections = GetArg("-maxconnections", DEFAULT_MAX_PEER_CONNECTIONS);
      nMaxConnections = std::max(nUserMaxConnections, 0);
  
      // Trim requested connection counts, to fit into system limitations
      nMaxConnections = std::max(std::min(nMaxConnections, (int)(FD_SETSIZE - nBind - MIN_CORE_FILEDESCRIPTORS - MAX_ADDNODE_CONNECTIONS)), 0);
      nFD = RaiseFileDescriptorLimit(nMaxConnections + MIN_CORE_FILEDESCRIPTORS + MAX_ADDNODE_CONNECTIONS);
      if (nFD < MIN_CORE_FILEDESCRIPTORS)
          return InitError(_("Not enough file descriptors available."));
      nMaxConnections = std::min(nFD - MIN_CORE_FILEDESCRIPTORS - MAX_ADDNODE_CONNECTIONS, nMaxConnections);
  
      if (nMaxConnections < nUserMaxConnections)
          InitWarning(strprintf(_("Reducing -maxconnections from %d to %d, because of system limitations."), nUserMaxConnections, nMaxConnections));
  
      // ********************************************************* Step 3: parameter-to-internal-flags
  
      fDebug = mapMultiArgs.count("-debug");
      // Special-case: if -debug=0/-nodebug is set, turn off debugging messages
      if (fDebug) {
          const std::vector<std::string>& categories = mapMultiArgs.at("-debug");
          if (GetBoolArg("-nodebug", false) || find(categories.begin(), categories.end(), std::string("0")) != categories.end())
              fDebug = false;
      }
  
      // Check for -debugnet
      if (GetBoolArg("-debugnet", false))
          InitWarning(_("Unsupported argument -debugnet ignored, use -debug=net."));
      // Check for -socks - as this is a privacy risk to continue, exit here
      if (IsArgSet("-socks"))
          return InitError(_("Unsupported argument -socks found. Setting SOCKS version isn't possible anymore, only SOCKS5 proxies are supported."));
      // Check for -tor - as this is a privacy risk to continue, exit here
      if (GetBoolArg("-tor", false))
          return InitError(_("Unsupported argument -tor found, use -onion."));
  
      if (GetBoolArg("-benchmark", false))
          InitWarning(_("Unsupported argument -benchmark ignored, use -debug=bench."));
  
      if (GetBoolArg("-whitelistalwaysrelay", false))
          InitWarning(_("Unsupported argument -whitelistalwaysrelay ignored, use -whitelistrelay and/or -whitelistforcerelay."));
  
      if (IsArgSet("-blockminsize"))
          InitWarning("Unsupported argument -blockminsize ignored.");
  
      // Checkmempool and checkblockindex default to true in regtest mode
      int ratio = std::min<int>(std::max<int>(GetArg("-checkmempool", chainparams.DefaultConsistencyChecks() ? 1 : 0), 0), 1000000);
      if (ratio != 0) {
          mempool.setSanityCheck(1.0 / ratio);
      }
      fCheckBlockIndex = GetBoolArg("-checkblockindex", chainparams.DefaultConsistencyChecks());
      fCheckpointsEnabled = GetBoolArg("-checkpoints", DEFAULT_CHECKPOINTS_ENABLED);
  
      hashAssumeValid = uint256S(GetArg("-assumevalid", chainparams.GetConsensus().defaultAssumeValid.GetHex()));
      if (!hashAssumeValid.IsNull())
          LogPrintf("Assuming ancestors of block %s have valid signatures.\n", hashAssumeValid.GetHex());
      else
          LogPrintf("Validating signatures for all blocks.\n");
  
      // mempool limits
      int64_t nMempoolSizeMax = GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000;
      int64_t nMempoolSizeMin = GetArg("-limitdescendantsize", DEFAULT_DESCENDANT_SIZE_LIMIT) * 1000 * 40;
      if (nMempoolSizeMax < 0 || nMempoolSizeMax < nMempoolSizeMin)
          return InitError(strprintf(_("-maxmempool must be at least %d MB"), std::ceil(nMempoolSizeMin / 1000000.0)));
      // incremental relay fee sets the minimimum feerate increase necessary for BIP 125 replacement in the mempool
      // and the amount the mempool min fee increases above the feerate of txs evicted due to mempool limiting.
      if (IsArgSet("-incrementalrelayfee"))
      {
          CAmount n = 0;
          if (!ParseMoney(GetArg("-incrementalrelayfee", ""), n))
              return InitError(AmountErrMsg("incrementalrelayfee", GetArg("-incrementalrelayfee", "")));
          incrementalRelayFee = CFeeRate(n);
      }
  
      // -par=0 means autodetect, but nScriptCheckThreads==0 means no concurrency
      nScriptCheckThreads = GetArg("-par", DEFAULT_SCRIPTCHECK_THREADS);
      if (nScriptCheckThreads <= 0)
          nScriptCheckThreads += GetNumCores();
      if (nScriptCheckThreads <= 1)
          nScriptCheckThreads = 0;
      else if (nScriptCheckThreads > MAX_SCRIPTCHECK_THREADS)
          nScriptCheckThreads = MAX_SCRIPTCHECK_THREADS;
  
      // block pruning; get the amount of disk space (in MiB) to allot for block & undo files
      int64_t nPruneArg = GetArg("-prune", 0);
      if (nPruneArg < 0) {
          return InitError(_("Prune cannot be configured with a negative value."));
      }
      nPruneTarget = (uint64_t) nPruneArg * 1024 * 1024;
      if (nPruneArg == 1) {  // manual pruning: -prune=1
          LogPrintf("Block pruning enabled.  Use RPC call pruneblockchain(height) to manually prune block and undo files.\n");
          nPruneTarget = std::numeric_limits<uint64_t>::max();
          fPruneMode = true;
      } else if (nPruneTarget) {
          if (nPruneTarget < MIN_DISK_SPACE_FOR_BLOCK_FILES) {
              return InitError(strprintf(_("Prune configured below the minimum of %d MiB.  Please use a higher number."), MIN_DISK_SPACE_FOR_BLOCK_FILES / 1024 / 1024));
          }
          LogPrintf("Prune configured to target %uMiB on disk for block and undo files.\n", nPruneTarget / 1024 / 1024);
          fPruneMode = true;
      }
  
      RegisterAllCoreRPCCommands(tableRPC);
  #ifdef ENABLE_WALLET
      RegisterWalletRPCCommands(tableRPC);
  #endif
  
      nConnectTimeout = GetArg("-timeout", DEFAULT_CONNECT_TIMEOUT);
      if (nConnectTimeout <= 0)
          nConnectTimeout = DEFAULT_CONNECT_TIMEOUT;
  
      // Fee-per-kilobyte amount considered the same as "free"
      // If you are mining, be careful setting this:
      // if you set it to zero then
      // a transaction spammer can cheaply fill blocks using
      // 1-satoshi-fee transactions. It should be set above the real
      // cost to you of processing a transaction.
      if (IsArgSet("-minrelaytxfee"))
      {
          CAmount n = 0;
          if (!ParseMoney(GetArg("-minrelaytxfee", ""), n) || 0 == n)
              return InitError(AmountErrMsg("minrelaytxfee", GetArg("-minrelaytxfee", "")));
          // High fee check is done afterward in CWallet::ParameterInteraction()
          ::minRelayTxFee = CFeeRate(n);
      } else if (incrementalRelayFee > ::minRelayTxFee) {
          // Allow only setting incrementalRelayFee to control both
          ::minRelayTxFee = incrementalRelayFee;
          LogPrintf("Increasing minrelaytxfee to %s to match incrementalrelayfee\n",::minRelayTxFee.ToString());
      }
  
      // Sanity check argument for min fee for including tx in block
      // TODO: Harmonize which arguments need sanity checking and where that happens
      if (IsArgSet("-blockmintxfee"))
      {
          CAmount n = 0;
          if (!ParseMoney(GetArg("-blockmintxfee", ""), n))
              return InitError(AmountErrMsg("blockmintxfee", GetArg("-blockmintxfee", "")));
      }
  
      // Feerate used to define dust.  Shouldn't be changed lightly as old
      // implementations may inadvertently create non-standard transactions
      if (IsArgSet("-dustrelayfee"))
      {
          CAmount n = 0;
          if (!ParseMoney(GetArg("-dustrelayfee", ""), n) || 0 == n)
              return InitError(AmountErrMsg("dustrelayfee", GetArg("-dustrelayfee", "")));
          dustRelayFee = CFeeRate(n);
      }
  
      fRequireStandard = !GetBoolArg("-acceptnonstdtxn", !chainparams.RequireStandard());
      if (chainparams.RequireStandard() && !fRequireStandard)
          return InitError(strprintf("acceptnonstdtxn is not currently supported for %s chain", chainparams.NetworkIDString()));
      nBytesPerSigOp = GetArg("-bytespersigop", nBytesPerSigOp);
  
  #ifdef ENABLE_WALLET
      if (!CWallet::ParameterInteraction())
          return false;
  #endif // ENABLE_WALLET
  
      fIsBareMultisigStd = GetBoolArg("-permitbaremultisig", DEFAULT_PERMIT_BAREMULTISIG);
      fAcceptDatacarrier = GetBoolArg("-datacarrier", DEFAULT_ACCEPT_DATACARRIER);
      nMaxDatacarrierBytes = GetArg("-datacarriersize", nMaxDatacarrierBytes);
  
      fAlerts = GetBoolArg("-alerts", DEFAULT_ALERTS);
  
      // Option to startup with mocktime set (used for regression testing):
      SetMockTime(GetArg("-mocktime", 0)); // SetMockTime(0) is a no-op
  
      if (GetBoolArg("-peerbloomfilters", DEFAULT_PEERBLOOMFILTERS))
          nLocalServices = ServiceFlags(nLocalServices | NODE_BLOOM);
  
      nMaxTipAge = GetArg("-maxtipage", DEFAULT_MAX_TIP_AGE);
  
      fEnableReplacement = GetBoolArg("-mempoolreplacement", DEFAULT_ENABLE_REPLACEMENT);
      if ((!fEnableReplacement) && IsArgSet("-mempoolreplacement")) {
          // Minimal effort at forwards compatibility
          std::string strReplacementModeList = GetArg("-mempoolreplacement", "");  // default is impossible
          std::vector<std::string> vstrReplacementModes;
          boost::split(vstrReplacementModes, strReplacementModeList, boost::is_any_of(","));
          fEnableReplacement = (std::find(vstrReplacementModes.begin(), vstrReplacementModes.end(), "fee") != vstrReplacementModes.end());
      }
  
      if (mapMultiArgs.count("-bip9params")) {
          // Allow overriding BIP9 parameters for testing
          if (!chainparams.MineBlocksOnDemand()) {
              return InitError("BIP9 parameters may only be overridden on regtest.");
          }
          const std::vector<std::string>& deployments = mapMultiArgs.at("-bip9params");
          for (auto i : deployments) {
              std::vector<std::string> vDeploymentParams;
              boost::split(vDeploymentParams, i, boost::is_any_of(":"));
              if (vDeploymentParams.size() != 3) {
                  return InitError("BIP9 parameters malformed, expecting deployment:start:end");
              }
              int64_t nStartTime, nTimeout;
              if (!ParseInt64(vDeploymentParams[1], &nStartTime)) {
                  return InitError(strprintf("Invalid nStartTime (%s)", vDeploymentParams[1]));
              }
              if (!ParseInt64(vDeploymentParams[2], &nTimeout)) {
                  return InitError(strprintf("Invalid nTimeout (%s)", vDeploymentParams[2]));
              }
              bool found = false;
              for (int j=0; j<(int)Consensus::MAX_VERSION_BITS_DEPLOYMENTS; ++j)
              {
                  if (vDeploymentParams[0].compare(VersionBitsDeploymentInfo[j].name) == 0) {
                      UpdateRegtestBIP9Parameters(Consensus::DeploymentPos(j), nStartTime, nTimeout);
                      found = true;
                      LogPrintf("Setting BIP9 activation parameters for %s to start=%ld, timeout=%ld\n", vDeploymentParams[0], nStartTime, nTimeout);
                      break;
                  }
              }
              if (!found) {
                  return InitError(strprintf("Invalid deployment (%s)", vDeploymentParams[0]));
              }
          }
      }
  
      return true;
  }
  
  static bool LockDataDirectory(bool probeOnly)
  {
      std::string strDataDir = GetDataDir().string();
  
      // Make sure only a single bitlioncoin Core process is using the data directory.
      boost::filesystem::path pathLockFile = GetDataDir() / ".lock";
      FILE* file = fopen(pathLockFile.string().c_str(), "a"); // empty lock file; created if it doesn't exist.
      if (file) fclose(file);
  
      try {
          static boost::interprocess::file_lock lock(pathLockFile.string().c_str());
          if (!lock.try_lock()) {
              return InitError(strprintf(_("Cannot obtain a lock on data directory %s. %s is probably already running."), strDataDir, _(PACKAGE_NAME)));
          }
          if (probeOnly) {
              lock.unlock();
          }
      } catch(const boost::interprocess::interprocess_exception& e) {
          return InitError(strprintf(_("Cannot obtain a lock on data directory %s. %s is probably already running.") + " %s.", strDataDir, _(PACKAGE_NAME), e.what()));
      }
      return true;
  }
  
  bool AppInitSanityChecks()
  {
      // ********************************************************* Step 4: sanity checks
  
      // Initialize elliptic curve code
      ECC_Start();
      globalVerifyHandle.reset(new ECCVerifyHandle());
  
      // Sanity check
      if (!InitSanityCheck())
          return InitError(strprintf(_("Initialization sanity check failed. %s is shutting down."), _(PACKAGE_NAME)));
  
      // Probe the data directory lock to give an early error message, if possible
      return LockDataDirectory(true);
  }
  
  bool AppInitMain(boost::thread_group& threadGroup, CScheduler& scheduler)
  {
      const CChainParams& chainparams = Params();
      // ********************************************************* Step 4a: application initialization
      // After daemonization get the data directory lock again and hold on to it until exit
      // This creates a slight window for a race condition to happen, however this condition is harmless: it
      // will at most make us exit without printing a message to console.
      if (!LockDataDirectory(false)) {
          // Detailed error printed inside LockDataDirectory
          return false;
      }
  
  #ifndef WIN32
      CreatePidFile(GetPidFile(), getpid());
  #endif
      if (GetBoolArg("-shrinkdebugfile", !fDebug)) {
          // Do this first since it both loads a bunch of debug.log into memory,
          // and because this needs to happen before any other debug.log printing
          ShrinkDebugFile();
      }
  
      if (fPrintToDebugLog)
          OpenDebugLog();
  
      if (!fLogTimestamps)
          LogPrintf("Startup time: %s\n", DateTimeStrFormat("%Y-%m-%d %H:%M:%S", GetTime()));
      LogPrintf("Default data directory %s\n", GetDefaultDataDir().string());
      LogPrintf("Using data directory %s\n", GetDataDir().string());
      LogPrintf("Using config file %s\n", GetConfigFile(GetArg("-conf", BITCOIN_CONF_FILENAME)).string());
      LogPrintf("Using at most %i automatic connections (%i file descriptors available)\n", nMaxConnections, nFD);
  
      InitSignatureCache();
  
      LogPrintf("Using %u threads for script verification\n", nScriptCheckThreads);
      if (nScriptCheckThreads) {
          for (int i=0; i<nScriptCheckThreads-1; i++)
              threadGroup.create_thread(&ThreadScriptCheck);
      }
  
      if (!sporkManager.SetSporkAddress(GetArg("-sporkaddr", Params().SporkAddress())))
          return InitError(_("Invalid spork address specified with -sporkaddr"));
  
      if (IsArgSet("-sporkkey")) // spork priv key
      {
          if (!sporkManager.SetPrivKey(GetArg("-sporkkey", "")))
              return InitError(_("Unable to sign spork message, wrong key?"));
      }
  
      // Start the lightweight task scheduler thread
      CScheduler::Function serviceLoop = boost::bind(&CScheduler::serviceQueue, &scheduler);
      threadGroup.create_thread(boost::bind(&TraceThread<CScheduler::Function>, "scheduler", serviceLoop));
  
      /* Start the RPC server already.  It will be started in "warmup" mode
       * and not really process calls already (but it will signify connections
       * that the server is there and will be ready later).  Warmup mode will
       * be disabled when initialisation is finished.
       */
      if (GetBoolArg("-server", false))
      {
          uiInterface.InitMessage.connect(SetRPCWarmupStatus);
          if (!AppInitServers(threadGroup))
              return InitError(_("Unable to start HTTP server. See debug log for details."));
      }
  
      // ********************************************************* Step 5: Backup wallet and verify wallet database integrity
  #ifdef ENABLE_WALLET
      if (!CWallet::InitAutoBackup())
          return false;
  
      if (!CWallet::Verify())
          return false;
  
      // Initialize KeePass Integration
      keePassInt.init();
  #endif // ENABLE_WALLET
      // ********************************************************* Step 6: network initialization
      // Note that we absolutely cannot open any actual connections
      // until the very end ("start node") as the UTXO/block state
      // is not yet setup and may end up being set up twice if we
      // need to reindex later.
  
      assert(!g_connman);
      g_connman = std::unique_ptr<CConnman>(new CConnman(GetRand(std::numeric_limits<uint64_t>::max()), GetRand(std::numeric_limits<uint64_t>::max())));
      CConnman& connman = *g_connman;
  
      peerLogic.reset(new PeerLogicValidation(&connman));
      RegisterValidationInterface(peerLogic.get());
      RegisterNodeSignals(GetNodeSignals());
  
      // sanitize comments per BIP-0014, format user agent and check total size
      std::vector<std::string> uacomments;
  
      if (chainparams.NetworkIDString() == CBaseChainParams::DEVNET) {
          // Add devnet name to user agent. This allows to disconnect nodes immediately if they don't belong to our own devnet
          uacomments.push_back(strprintf("devnet=%s", GetDevNetName()));
      }
  
      if (mapMultiArgs.count("-uacomment")) {
          BOOST_FOREACH(std::string cmt, mapMultiArgs.at("-uacomment"))
          {
              if (cmt != SanitizeString(cmt, SAFE_CHARS_UA_COMMENT))
                  return InitError(strprintf(_("User Agent comment (%s) contains unsafe characters."), cmt));
              uacomments.push_back(cmt);
          }
      }
      strSubVersion = FormatSubVersion(CLIENT_NAME, CLIENT_VERSION, uacomments);
      if (strSubVersion.size() > MAX_SUBVERSION_LENGTH) {
          return InitError(strprintf(_("Total length of network version string (%i) exceeds maximum length (%i). Reduce the number or size of uacomments."),
              strSubVersion.size(), MAX_SUBVERSION_LENGTH));
      }
  
      if (mapMultiArgs.count("-onlynet")) {
          std::set<enum Network> nets;
          BOOST_FOREACH(const std::string& snet, mapMultiArgs.at("-onlynet")) {
              enum Network net = ParseNetwork(snet);
              if (net == NET_UNROUTABLE)
                  return InitError(strprintf(_("Unknown network specified in -onlynet: '%s'"), snet));
              nets.insert(net);
          }
          for (int n = 0; n < NET_MAX; n++) {
              enum Network net = (enum Network)n;
              if (!nets.count(net))
                  SetLimited(net);
          }
      }
  
      if (mapMultiArgs.count("-whitelist")) {
          BOOST_FOREACH(const std::string& net, mapMultiArgs.at("-whitelist")) {
              CSubNet subnet;
              LookupSubNet(net.c_str(), subnet);
              if (!subnet.IsValid())
                  return InitError(strprintf(_("Invalid netmask specified in -whitelist: '%s'"), net));
              connman.AddWhitelistedRange(subnet);
          }
      }
  
      bool proxyRandomize = GetBoolArg("-proxyrandomize", DEFAULT_PROXYRANDOMIZE);
      // -proxy sets a proxy for all outgoing network traffic
      // -noproxy (or -proxy=0) as well as the empty string can be used to not set a proxy, this is the default
      std::string proxyArg = GetArg("-proxy", "");
      SetLimited(NET_TOR);
      if (proxyArg != "" && proxyArg != "0") {
          CService resolved(LookupNumeric(proxyArg.c_str(), 9050));
          proxyType addrProxy = proxyType(resolved, proxyRandomize);
          if (!addrProxy.IsValid())
              return InitError(strprintf(_("Invalid -proxy address: '%s'"), proxyArg));
  
          SetProxy(NET_IPV4, addrProxy);
          SetProxy(NET_IPV6, addrProxy);
          SetProxy(NET_TOR, addrProxy);
          SetNameProxy(addrProxy);
          SetLimited(NET_TOR, false); // by default, -proxy sets onion as reachable, unless -noonion later
      }
  
      // -onion can be used to set only a proxy for .onion, or override normal proxy for .onion addresses
      // -noonion (or -onion=0) disables connecting to .onion entirely
      // An empty string is used to not override the onion proxy (in which case it defaults to -proxy set above, or none)
      std::string onionArg = GetArg("-onion", "");
      if (onionArg != "") {
          if (onionArg == "0") { // Handle -noonion/-onion=0
              SetLimited(NET_TOR); // set onions as unreachable
          } else {
              CService resolved(LookupNumeric(onionArg.c_str(), 9050));
              proxyType addrOnion = proxyType(resolved, proxyRandomize);
              if (!addrOnion.IsValid())
                  return InitError(strprintf(_("Invalid -onion address: '%s'"), onionArg));
              SetProxy(NET_TOR, addrOnion);
              SetLimited(NET_TOR, false);
          }
      }
  
      // see Step 2: parameter interactions for more information about these
      fListen = GetBoolArg("-listen", DEFAULT_LISTEN);
      fDiscover = GetBoolArg("-discover", true);
      fNameLookup = GetBoolArg("-dns", DEFAULT_NAME_LOOKUP);
      fRelayTxes = !GetBoolArg("-blocksonly", DEFAULT_BLOCKSONLY);
  
      if (fListen) {
          bool fBound = false;
          if (mapMultiArgs.count("-bind")) {
              BOOST_FOREACH(const std::string& strBind, mapMultiArgs.at("-bind")) {
                  CService addrBind;
                  if (!Lookup(strBind.c_str(), addrBind, GetListenPort(), false))
                      return InitError(ResolveErrMsg("bind", strBind));
                  fBound |= Bind(connman, addrBind, (BF_EXPLICIT | BF_REPORT_ERROR));
              }
          }
          if (mapMultiArgs.count("-whitebind")) {
              BOOST_FOREACH(const std::string& strBind, mapMultiArgs.at("-whitebind")) {
                  CService addrBind;
                  if (!Lookup(strBind.c_str(), addrBind, 0, false))
                      return InitError(ResolveErrMsg("whitebind", strBind));
                  if (addrBind.GetPort() == 0)
                      return InitError(strprintf(_("Need to specify a port with -whitebind: '%s'"), strBind));
                  fBound |= Bind(connman, addrBind, (BF_EXPLICIT | BF_REPORT_ERROR | BF_WHITELIST));
              }
          }
          if (!mapMultiArgs.count("-bind") && !mapMultiArgs.count("-whitebind")) {
              struct in_addr inaddr_any;
              inaddr_any.s_addr = INADDR_ANY;
              fBound |= Bind(connman, CService(in6addr_any, GetListenPort()), BF_NONE);
              fBound |= Bind(connman, CService(inaddr_any, GetListenPort()), !fBound ? BF_REPORT_ERROR : BF_NONE);
          }
          if (!fBound)
              return InitError(_("Failed to listen on any port. Use -listen=0 if you want this."));
      }
  
      if (mapMultiArgs.count("-externalip")) {
          BOOST_FOREACH(const std::string& strAddr, mapMultiArgs.at("-externalip")) {
              CService addrLocal;
              if (Lookup(strAddr.c_str(), addrLocal, GetListenPort(), fNameLookup) && addrLocal.IsValid())
                  AddLocal(addrLocal, LOCAL_MANUAL);
              else
                  return InitError(ResolveErrMsg("externalip", strAddr));
          }
      }
  
      if (mapMultiArgs.count("-seednode")) {
          BOOST_FOREACH(const std::string& strDest, mapMultiArgs.at("-seednode"))
              connman.AddOneShot(strDest);
      }
  
  #if ENABLE_ZMQ
      pzmqNotificationInterface = CZMQNotificationInterface::Create();
  
      if (pzmqNotificationInterface) {
          RegisterValidationInterface(pzmqNotificationInterface);
      }
  #endif
  
      pdsNotificationInterface = new CDSNotificationInterface(connman);
      RegisterValidationInterface(pdsNotificationInterface);
  
      uint64_t nMaxOutboundLimit = 0; //unlimited unless -maxuploadtarget is set
      uint64_t nMaxOutboundTimeframe = MAX_UPLOAD_TIMEFRAME;
  
      if (IsArgSet("-maxuploadtarget")) {
          nMaxOutboundLimit = GetArg("-maxuploadtarget", DEFAULT_MAX_UPLOAD_TARGET)*1024*1024;
      }
  
      // ********************************************************* Step 7: load block chain
  
      fReindex = GetBoolArg("-reindex", false);
      bool fReindexChainState = GetBoolArg("-reindex-chainstate", false);
  
      // Upgrading to 0.8; hard-link the old blknnnn.dat files into /blocks/
      boost::filesystem::path blocksDir = GetDataDir() / "blocks";
      if (!boost::filesystem::exists(blocksDir))
      {
          boost::filesystem::create_directories(blocksDir);
          bool linked = false;
          for (unsigned int i = 1; i < 10000; i++) {
              boost::filesystem::path source = GetDataDir() / strprintf("blk%04u.dat", i);
              if (!boost::filesystem::exists(source)) break;
              boost::filesystem::path dest = blocksDir / strprintf("blk%05u.dat", i-1);
              try {
                  boost::filesystem::create_hard_link(source, dest);
                  LogPrintf("Hardlinked %s -> %s\n", source.string(), dest.string());
                  linked = true;
              } catch (const boost::filesystem::filesystem_error& e) {
                  // Note: hardlink creation failing is not a disaster, it just means
                  // blocks will get re-downloaded from peers.
                  LogPrintf("Error hardlinking blk%04u.dat: %s\n", i, e.what());
                  break;
              }
          }
          if (linked)
          {
              fReindex = true;
          }
      }
  
      // cache size calculations
      int64_t nTotalCache = (GetArg("-dbcache", nDefaultDbCache) << 20);
      nTotalCache = std::max(nTotalCache, nMinDbCache << 20); // total cache cannot be less than nMinDbCache
      nTotalCache = std::min(nTotalCache, nMaxDbCache << 20); // total cache cannot be greater than nMaxDbcache
      int64_t nBlockTreeDBCache = nTotalCache / 8;
      nBlockTreeDBCache = std::min(nBlockTreeDBCache, (GetBoolArg("-txindex", DEFAULT_TXINDEX) ? nMaxBlockDBAndTxIndexCache : nMaxBlockDBCache) << 20);
      nTotalCache -= nBlockTreeDBCache;
      int64_t nCoinDBCache = std::min(nTotalCache / 2, (nTotalCache / 4) + (1 << 23)); // use 25%-50% of the remainder for disk cache
      nCoinDBCache = std::min(nCoinDBCache, nMaxCoinsDBCache << 20); // cap total coins db cache
      nTotalCache -= nCoinDBCache;
      nCoinCacheUsage = nTotalCache; // the rest goes to in-memory cache
      int64_t nMempoolSizeMax = GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000;
      LogPrintf("Cache configuration:\n");
      LogPrintf("* Using %.1fMiB for block index database\n", nBlockTreeDBCache * (1.0 / 1024 / 1024));
      LogPrintf("* Using %.1fMiB for chain state database\n", nCoinDBCache * (1.0 / 1024 / 1024));
      LogPrintf("* Using %.1fMiB for in-memory UTXO set (plus up to %.1fMiB of unused mempool space)\n", nCoinCacheUsage * (1.0 / 1024 / 1024), nMempoolSizeMax * (1.0 / 1024 / 1024));
  
      bool fLoaded = false;
      int64_t nStart = GetTimeMillis();
  
      while (!fLoaded && !fRequestShutdown) {
          bool fReset = fReindex;
          std::string strLoadError;
  
          uiInterface.InitMessage(_("Loading block index..."));
  
          nStart = GetTimeMillis();
          do {
              try {
                  UnloadBlockIndex();
                  delete pcoinsTip;
                  delete pcoinsdbview;
                  delete pcoinscatcher;
                  delete pblocktree;
  
                  pblocktree = new CBlockTreeDB(nBlockTreeDBCache, false, fReindex);
                  pcoinsdbview = new CCoinsViewDB(nCoinDBCache, false, fReindex || fReindexChainState);
                  pcoinscatcher = new CCoinsViewErrorCatcher(pcoinsdbview);
                  pcoinsTip = new CCoinsViewCache(pcoinscatcher);
  
                  if (fReindex) {
                      pblocktree->WriteReindexing(true);
                      //If we're reindexing in prune mode, wipe away unusable block files and all undo data files
                      if (fPruneMode)
                          CleanupBlockRevFiles();
                  } else {
                      // If necessary, upgrade from older database format.
                      if (!pcoinsdbview->Upgrade()) {
                          strLoadError = _("Error upgrading chainstate database");
                          break;
                      }
                  }
                  if (fRequestShutdown) break;
  
                  if (!LoadBlockIndex(chainparams)) {
                      strLoadError = _("Error loading block database");
                      break;
                  }
  
                  // If the loaded chain has a wrong genesis, bail out immediately
                  // (we're likely using a testnet datadir, or the other way around).
                  if (!mapBlockIndex.empty() && mapBlockIndex.count(chainparams.GetConsensus().hashGenesisBlock) == 0)
                      return InitError(_("Incorrect or no genesis block found. Wrong datadir for network?"));
  
                  if (!chainparams.GetConsensus().hashDevnetGenesisBlock.IsNull() && !mapBlockIndex.empty() && mapBlockIndex.count(chainparams.GetConsensus().hashDevnetGenesisBlock) == 0)
                      return InitError(_("Incorrect or no devnet genesis block found. Wrong datadir for devnet specified?"));
  
                  // Initialize the block index (no-op if non-empty database was already loaded)
                  if (!InitBlockIndex(chainparams)) {
                      strLoadError = _("Error initializing block database");
                      break;
                  }
  
                  // Check for changed -txindex state
                  if (fTxIndex != GetBoolArg("-txindex", DEFAULT_TXINDEX)) {
                      strLoadError = _("You need to rebuild the database using -reindex-chainstate to change -txindex");
                      break;
                  }
  
                  // Check for changed -prune state.  What we are concerned about is a user who has pruned blocks
                  // in the past, but is now trying to run unpruned.
                  if (fHavePruned && !fPruneMode) {
                      strLoadError = _("You need to rebuild the database using -reindex to go back to unpruned mode.  This will redownload the entire blockchain");
                      break;
                  }
  
                  uiInterface.InitMessage(_("Verifying blocks..."));
                  if (fHavePruned && GetArg("-checkblocks", DEFAULT_CHECKBLOCKS) > MIN_BLOCKS_TO_KEEP) {
                      LogPrintf("Prune: pruned datadir may not have more than %d blocks; only checking available blocks",
                          MIN_BLOCKS_TO_KEEP);
                  }
  
                  {
                      LOCK(cs_main);
                      CBlockIndex* tip = chainActive.Tip();
                      RPCNotifyBlockChange(true, tip);
                      if (tip && tip->nTime > GetAdjustedTime() + 2 * 60 * 60) {
                          strLoadError = _("The block database contains a block which appears to be from the future. "
                                  "This may be due to your computer's date and time being set incorrectly. "
                                  "Only rebuild the block database if you are sure that your computer's date and time are correct");
                          break;
                      }
                  }
  
                  if (!CVerifyDB().VerifyDB(chainparams, pcoinsdbview, GetArg("-checklevel", DEFAULT_CHECKLEVEL),
                                GetArg("-checkblocks", DEFAULT_CHECKBLOCKS))) {
                      strLoadError = _("Corrupted block database detected");
                      break;
                  }
              } catch (const std::exception& e) {
                  if (fDebug) LogPrintf("%s\n", e.what());
                  strLoadError = _("Error opening block database");
                  break;
              }
  
              fLoaded = true;
          } while(false);
  
          if (!fLoaded && !fRequestShutdown) {
              // first suggest a reindex
              if (!fReset) {
                  bool fRet = uiInterface.ThreadSafeQuestion(
                      strLoadError + ".\n\n" + _("Do you want to rebuild the block database now?"),
                      strLoadError + ".\nPlease restart with -reindex or -reindex-chainstate to recover.",
                      "", CClientUIInterface::MSG_ERROR | CClientUIInterface::BTN_ABORT);
                  if (fRet) {
                      fReindex = true;
                      fRequestShutdown = false;
                  } else {
                      LogPrintf("Aborted block database rebuild. Exiting.\n");
                      return false;
                  }
              } else {
                  return InitError(strLoadError);
              }
          }
      }
  
      // As LoadBlockIndex can take several minutes, it's possible the user
      // requested to kill the GUI during the last operation. If so, exit.
      // As the program has not fully started yet, Shutdown() is possibly overkill.
      if (fRequestShutdown)
      {
          LogPrintf("Shutdown requested. Exiting.\n");
          return false;
      }
      LogPrintf(" block index %15dms\n", GetTimeMillis() - nStart);
  
      boost::filesystem::path est_path = GetDataDir() / FEE_ESTIMATES_FILENAME;
      CAutoFile est_filein(fopen(est_path.string().c_str(), "rb"), SER_DISK, CLIENT_VERSION);
      // Allowed to fail as this file IS missing on first startup.
      if (!est_filein.IsNull())
          mempool.ReadFeeEstimates(est_filein);
      fFeeEstimatesInitialized = true;
  
      // ********************************************************* Step 8: load wallet
  #ifdef ENABLE_WALLET
      if (!CWallet::InitLoadWallet())
          return false;
  #else
      LogPrintf("No wallet support compiled in!\n");
  #endif
  
      // ********************************************************* Step 9: data directory maintenance
  
      // if pruning, unset the service bit and perform the initial blockstore prune
      // after any wallet rescanning has taken place.
      if (fPruneMode) {
          LogPrintf("Unsetting NODE_NETWORK on prune mode\n");
          nLocalServices = ServiceFlags(nLocalServices & ~NODE_NETWORK);
          if (!fReindex) {
              uiInterface.InitMessage(_("Pruning blockstore..."));
              PruneAndFlush();
          }
      }
  
      // ********************************************************* Step 10: import blocks
  
      if (!CheckDiskSpace())
          return false;
  
      // Either install a handler to notify us when genesis activates, or set fHaveGenesis directly.
      // No locking, as this happens before any background thread is started.
      if (chainActive.Tip() == NULL) {
          uiInterface.NotifyBlockTip.connect(BlockNotifyGenesisWait);
      } else {
          fHaveGenesis = true;
      }
  
      if (IsArgSet("-blocknotify"))
          uiInterface.NotifyBlockTip.connect(BlockNotifyCallback);
  
      std::vector<boost::filesystem::path> vImportFiles;
      if (mapMultiArgs.count("-loadblock"))
      {
          BOOST_FOREACH(const std::string& strFile, mapMultiArgs.at("-loadblock"))
              vImportFiles.push_back(strFile);
      }
  
      threadGroup.create_thread(boost::bind(&ThreadImport, vImportFiles));
  
      // Wait for genesis block to be processed
      {
          boost::unique_lock<boost::mutex> lock(cs_GenesisWait);
          while (!fHaveGenesis) {
              condvar_GenesisWait.wait(lock);
          }
          uiInterface.NotifyBlockTip.disconnect(BlockNotifyGenesisWait);
      }
  
      // ********************************************************* Step 11a: setup PrivateSend
      fMasternodeMode = GetBoolArg("-masternode", false);
      // TODO: masternode should have no wallet
  
      //lite mode disables all bitlioncoin-specific functionality
      fLiteMode = GetBoolArg("-litemode", false);
  
      if(fLiteMode) {
          InitWarning(_("You are starting in lite mode, all bitlioncoin-specific functionality is disabled."));
      }
  
      if((!fLiteMode && fTxIndex == false)
         && chainparams.NetworkIDString() != CBaseChainParams::REGTEST) { // TODO remove this when pruning is fixed. See /pull/1817 and /pull/1743
          return InitError(_("Transaction index can't be disabled in full mode. Either start with -litemode command line switch or enable transaction index."));
      }
  
      if(fLiteMode && fMasternodeMode) {
          return InitError(_("You can not start a masternode in lite mode."));
      }
  
      if(fMasternodeMode) {
          LogPrintf("MASTERNODE:\n");
  
          std::string strMasterNodePrivKey = GetArg("-masternodeprivkey", "");
          if(!strMasterNodePrivKey.empty()) {
              if(!CMessageSigner::GetKeysFromSecret(strMasterNodePrivKey, activeMasternode.keyMasternode, activeMasternode.pubKeyMasternode))
                  return InitError(_("Invalid masternodeprivkey. Please see documenation."));
  
              LogPrintf("  pubKeyMasternode: %s\n", CBitcoinAddress(activeMasternode.pubKeyMasternode.GetID()).ToString());
          } else {
              return InitError(_("You must specify a masternodeprivkey in the configuration. Please see documentation for help."));
          }
      }
  
  #ifdef ENABLE_WALLET
      LogPrintf("Using masternode config file %s\n", GetMasternodeConfigFile().string());
  
      if(GetBoolArg("-mnconflock", true) && pwalletMain && (masternodeConfig.getCount() > 0)) {
          LOCK(pwalletMain->cs_wallet);
          LogPrintf("Locking Masternodes:\n");
          uint256 mnTxHash;
          uint32_t outputIndex;
          for (const auto& mne : masternodeConfig.getEntries()) {
              mnTxHash.SetHex(mne.getTxHash());
              outputIndex = (uint32_t)atoi(mne.getOutputIndex());
              COutPoint outpoint = COutPoint(mnTxHash, outputIndex);
              // don't lock non-spendable outpoint (i.e. it's already spent or it's not from this wallet at all)
              if(pwalletMain->IsMine(CTxIn(outpoint)) != ISMINE_SPENDABLE) {
                  LogPrintf("  %s %s - IS NOT SPENDABLE, was not locked\n", mne.getTxHash(), mne.getOutputIndex());
                  continue;
              }
              pwalletMain->LockCoin(outpoint);
              LogPrintf("  %s %s - locked successfully\n", mne.getTxHash(), mne.getOutputIndex());
          }
      }
  
      privateSendClient.nLiquidityProvider = std::min(std::max((int)GetArg("-liquidityprovider", DEFAULT_PRIVATESEND_LIQUIDITY), MIN_PRIVATESEND_LIQUIDITY), MAX_PRIVATESEND_LIQUIDITY);
      int nMaxRounds = MAX_PRIVATESEND_ROUNDS;
      if(privateSendClient.nLiquidityProvider) {
          // special case for liquidity providers only, normal clients should use default value
          privateSendClient.SetMinBlocksToWait(privateSendClient.nLiquidityProvider * 15);
          nMaxRounds = std::numeric_limits<int>::max();
      }
  
      privateSendClient.fEnablePrivateSend = GetBoolArg("-enableprivatesend", false);
      privateSendClient.fPrivateSendMultiSession = GetBoolArg("-privatesendmultisession", DEFAULT_PRIVATESEND_MULTISESSION);
      privateSendClient.nPrivateSendRounds = std::min(std::max((int)GetArg("-privatesendrounds", DEFAULT_PRIVATESEND_ROUNDS), MIN_PRIVATESEND_ROUNDS), nMaxRounds);
      privateSendClient.nPrivateSendAmount = std::min(std::max((int)GetArg("-privatesendamount", DEFAULT_PRIVATESEND_AMOUNT), MIN_PRIVATESEND_AMOUNT), MAX_PRIVATESEND_AMOUNT);
  #endif // ENABLE_WALLET
  
      fEnableInstantSend = GetBoolArg("-enableinstantsend", 1);
      nInstantSendDepth = GetArg("-instantsenddepth", DEFAULT_INSTANTSEND_DEPTH);
      nInstantSendDepth = std::min(std::max(nInstantSendDepth, MIN_INSTANTSEND_DEPTH), MAX_INSTANTSEND_DEPTH);
  
      LogPrintf("fLiteMode %d\n", fLiteMode);
      LogPrintf("nInstantSendDepth %d\n", nInstantSendDepth);
  #ifdef ENABLE_WALLET
      LogPrintf("PrivateSend liquidityprovider: %d\n", privateSendClient.nLiquidityProvider);
      LogPrintf("PrivateSend rounds: %d\n", privateSendClient.nPrivateSendRounds);
      LogPrintf("PrivateSend amount: %d\n", privateSendClient.nPrivateSendAmount);
  #endif // ENABLE_WALLET
  
      CPrivateSend::InitStandardDenominations();
  
      // ********************************************************* Step 11b: Load cache data
  
      // LOAD SERIALIZED DAT FILES INTO DATA CACHES FOR INTERNAL USE
  
      if (!fLiteMode) {
          boost::filesystem::path pathDB = GetDataDir();
          std::string strDBName;
  
          strDBName = "mncache.dat";
          uiInterface.InitMessage(_("Loading masternode cache..."));
          CFlatDB<CMasternodeMan> flatdb1(strDBName, "magicMasternodeCache");
          if(!flatdb1.Load(mnodeman)) {
              return InitError(_("Failed to load masternode cache from") + "\n" + (pathDB / strDBName).string());
          }
  
          if(mnodeman.size()) {
              strDBName = "mnpayments.dat";
              uiInterface.InitMessage(_("Loading masternode payment cache..."));
              CFlatDB<CMasternodePayments> flatdb2(strDBName, "magicMasternodePaymentsCache");
              if(!flatdb2.Load(mnpayments)) {
                  return InitError(_("Failed to load masternode payments cache from") + "\n" + (pathDB / strDBName).string());
              }
  
              strDBName = "governance.dat";
              uiInterface.InitMessage(_("Loading governance cache..."));
              CFlatDB<CGovernanceManager> flatdb3(strDBName, "magicGovernanceCache");
              if(!flatdb3.Load(governance)) {
                  return InitError(_("Failed to load governance cache from") + "\n" + (pathDB / strDBName).string());
              }
              governance.InitOnLoad();
          } else {
              uiInterface.InitMessage(_("Masternode cache is empty, skipping payments and governance cache..."));
          }
  
          strDBName = "netfulfilled.dat";
          uiInterface.InitMessage(_("Loading fulfilled requests cache..."));
          CFlatDB<CNetFulfilledRequestManager> flatdb4(strDBName, "magicFulfilledCache");
          if(!flatdb4.Load(netfulfilledman)) {
              return InitError(_("Failed to load fulfilled requests cache from") + "\n" + (pathDB / strDBName).string());
          }
      }
  
  
      // ********************************************************* Step 11c: update block tip in bitlioncoin modules
  
      // force UpdatedBlockTip to initialize nCachedBlockHeight for DS, MN payments and budgets
      // but don't call it directly to prevent triggering of other listeners like zmq etc.
      // GetMainSignals().UpdatedBlockTip(chainActive.Tip());
      pdsNotificationInterface->InitializeCurrentBlockTip();
  
      // ********************************************************* Step 11d: start bitlioncoin-ps-<smth> threads
  
      threadGroup.create_thread(boost::bind(&ThreadCheckPrivateSend, boost::ref(*g_connman)));
      if (fMasternodeMode)
          threadGroup.create_thread(boost::bind(&ThreadCheckPrivateSendServer, boost::ref(*g_connman)));
  #ifdef ENABLE_WALLET
      else
          threadGroup.create_thread(boost::bind(&ThreadCheckPrivateSendClient, boost::ref(*g_connman)));
  #endif // ENABLE_WALLET
  
      // ********************************************************* Step 12: start node
  
      //// debug print
      LogPrintf("mapBlockIndex.size() = %u\n",   mapBlockIndex.size());
      LogPrintf("chainActive.Height() = %d\n",   chainActive.Height());
      if (GetBoolArg("-listenonion", DEFAULT_LISTEN_ONION))
          StartTorControl(threadGroup, scheduler);
  
      Discover(threadGroup);
  
      // Map ports with UPnP
      MapPort(GetBoolArg("-upnp", DEFAULT_UPNP));
  
      std::string strNodeError;
      CConnman::Options connOptions;
      connOptions.nLocalServices = nLocalServices;
      connOptions.nRelevantServices = nRelevantServices;
      connOptions.nMaxConnections = nMaxConnections;
      connOptions.nMaxOutbound = std::min(MAX_OUTBOUND_CONNECTIONS, connOptions.nMaxConnections);
      connOptions.nMaxAddnode = MAX_ADDNODE_CONNECTIONS;
      connOptions.nMaxFeeler = 1;
      connOptions.nBestHeight = chainActive.Height();
      connOptions.uiInterface = &uiInterface;
      connOptions.nSendBufferMaxSize = 1000*GetArg("-maxsendbuffer", DEFAULT_MAXSENDBUFFER);
      connOptions.nReceiveFloodSize = 1000*GetArg("-maxreceivebuffer", DEFAULT_MAXRECEIVEBUFFER);
  
      connOptions.nMaxOutboundTimeframe = nMaxOutboundTimeframe;
      connOptions.nMaxOutboundLimit = nMaxOutboundLimit;
  
      if (!connman.Start(scheduler, strNodeError, connOptions))
          return InitError(strNodeError);
  
      // ********************************************************* Step 13: finished
  
      SetRPCWarmupFinished();
      uiInterface.InitMessage(_("Done loading"));
  
  #ifdef ENABLE_WALLET
      if (pwalletMain)
          pwalletMain->postInitProcess(threadGroup);
  #endif
  
      threadGroup.create_thread(boost::bind(&ThreadSendAlert, boost::ref(connman)));
  
      return !fRequestShutdown;
  }
  