ripped down main->appinit->appinit2.

src/bitcoindjs.cc

@@ -14,6 +14,10 @@
  * Bitcoin headers
  */
 
+#if defined(HAVE_CONFIG_H)
+#include "bitcoin-config.h"
+#endif
+
 #include "core.h"
 #include "addrman.h"
 #include "checkpoints.h"
@@ -21,14 +25,21 @@
 #include "main.h"
 // #include "random.h"
 // #include "timedata.h"
+
+#ifdef ENABLE_WALLET
+#include "db.h"
+#include "wallet.h"
 #include "walletdb.h"
+#endif
+
+// #include "walletdb.h"
 #include "alert.h"
 #include "checkqueue.h"
-#include "db.h"
+// #include "db.h"
 #include "miner.h"
 #include "rpcclient.h"
 #include "tinyformat.h"
-#include "wallet.h"
+// #include "wallet.h"
 #include "allocators.h"
 #include "clientversion.h"
 #include "hash.h"
@@ -74,6 +85,21 @@
  *  ~/bitcoin/src/main.h
  */
 
+#include <stdint.h>
+#include <signal.h>
+
+#include <boost/algorithm/string/predicate.hpp>
+#include <boost/filesystem.hpp>
+#include <boost/interprocess/sync/file_lock.hpp>
+#include <openssl/crypto.h>
+
+#define MIN_CORE_FILEDESCRIPTORS 150
+
+extern volatile bool fRequestShutdown;
+
+using namespace std;
+using namespace boost;
+
 extern void ThreadImport(std::vector<boost::filesystem::path>);
 extern void DetectShutdownThread(boost::thread_group*);
 extern void StartNode(boost::thread_group&);
@@ -288,104 +314,678 @@ async_start_node_after(uv_work_t *req) {
 
 static int
 start_node(void) {
-  /**
+  //
-   * StartNode method (does not work yet):
+  // main:
-   * ~/bitcoin/src/init.cpp (AppInit2() - starts bitcoind)
+  //
-   * ~/bitcoin/src/net.cpp (StartNode() - starts the network threads)
-   */
 
-  // XXX Run this in a node thread instead to keep the event loop open:
+  // Connect bitcoind signal handlers
-  // boost::thread_group threadGroup;
+  noui_connect();
-  // boost::thread *detectShutdownThread = NULL;
-  // detectShutdownThread = new boost::thread(
-  //   boost::bind(&DetectShutdownThread, &threadGroup));
-  // for (int i = 0; i < nScriptCheckThreads - 1; i++) {
-  //   threadGroup.create_thread(&ThreadScriptCheck);
-  // }
-  // std::vector<boost::filesystem::path> vImportFiles;
-  // threadGroup.create_thread(boost::bind(&ThreadImport, vImportFiles));
-  // StartNode(threadGroup);
-#ifdef ENABLE_WALLET
-  // if (pwalletMain) {
-  //   pwalletMain->ReacceptWalletTransactions();
-  //   threadGroup.create_thread(boost::bind(&ThreadFlushWalletDB, boost::ref(pwalletMain->strWalletFile)));
-  // }
-#endif
-  // return 0;
 
-  /**
+  //
-   * The AppInit2 method 1:
+  // appnit1:
-   * ~/bitcoin/src/init.cpp (AppInit2() - starts bitcoind)
+  //
-   * ~/bitcoin/src/bitcoind.cpp (AppInit() - calls AppInit2)
-   */
 
   boost::thread_group threadGroup;
-  boost::thread *detectShutdownThread = NULL;
+  boost::thread* detectShutdownThread = NULL;
-  detectShutdownThread = new boost::thread(
-    boost::bind(&DetectShutdownThread, &threadGroup));
-  return AppInit2(threadGroup) ? 0 : 1;
 
-  /**
+  ParseParameters(argc, argv);
-   * The AppInit2 method 2:
+  ReadConfigFile(mapArgs, mapMultiArgs);
-   * ~/bitcoin/src/init.cpp (AppInit2() - starts bitcoind)
+  // Check for -testnet or -regtest parameter (TestNet() calls are only valid after this clause)
-   * ~/bitcoin/src/bitcoind.cpp (AppInit() - calls AppInit2)
+  if (!SelectParamsFromCommandLine()) {
-   */
+    return 1;
+  }
+  CreatePidFile(GetPidFile(), pid);
+  detectShutdownThread = new boost::thread(boost::bind(&DetectShutdownThread, &threadGroup));
 
-  // boost::thread_group threadGroup;
+  //
-  // boost::thread *detectShutdownThread = NULL;
+  // appnit2:
-  // //mapArgs["-server"] = "1";
+  //
-  // //mapArgs.insert(std::pair<std::string, std::string>("-server", "1"));
-  // bool fRet = false;
-  // try {
-  //   SoftSetBoolArg("-server", true);
-  //   detectShutdownThread = new boost::thread(
-  //     boost::bind(&DetectShutdownThread, &threadGroup));
-  //   fRet = AppInit2(threadGroup);
-  // } catch (std::exception& e) {
-  //   PrintExceptionContinue(&e, "AppInit()");
-  // } catch (...) {
-  //   PrintExceptionContinue(NULL, "AppInit()");
-  // }
-  // if (!fRet) {
-  //   if (detectShutdownThread) {
-  //     detectShutdownThread->interrupt();
-  //   }
-  //   threadGroup.interrupt_all();
-  // }
-  // if (detectShutdownThread) {
-  //   detectShutdownThread->join();
-  //   delete detectShutdownThread;
-  //   detectShutdownThread = NULL;
-  // }
-  // Shutdown();
-  // return fRet ? 0 : 1;
 
-  /**
+  // ********************************************************* Step 1: setup
-   * The AppInit method:
+  umask(077);
-   * ~/bitcoin/src/init.cpp (AppInit2() - starts bitcoind)
-   * ~/bitcoin/src/bitcoind.cpp (AppInit() - calls AppInit2)
-   * ~/bitcoin/src/bitcoind_main.cpp (main() - calls AppInit())
-   */
 
-  // static const int b_argc = 5;
+  // Clean shutdown on SIGTERM
-  // static const char *b_argv[b_argc + 1] = {
+  struct sigaction sa;
-  //   "-server",
+  sa.sa_handler = HandleSIGTERM;
-  //   "-rpcuser=bitcoinrpc",
+  sigemptyset(&sa.sa_mask);
-  //   "-rpcpassword=3dDisz5SKhr6O7Pi7LJ2di7zpfunTzhfYEyTauViYwHmlPh4ts",
+  sa.sa_flags = 0;
-  //   "-rpcport=8332",
+  sigaction(SIGTERM, &sa, NULL);
-  //   "-rpcallowip=127.0.0.1",
+  sigaction(SIGINT, &sa, NULL);
-  //   // "-addnode=0.0.0.0",
+
-  //   NULL
+  // Reopen debug.log on SIGHUP
-  // };
+  struct sigaction sa_hup;
-  // bool fRet = false;
+  sa_hup.sa_handler = HandleSIGHUP;
-  // noui_connect();
+  sigemptyset(&sa_hup.sa_mask);
-	// char conf[200] = {0};
+  sa_hup.sa_flags = 0;
-	// int r = snprintf(conf, sizeof conf,
+  sigaction(SIGHUP, &sa_hup, NULL);
-  //   "%s/.bitcoin/bitcoin.conf", getenv("HOME"));
+
-	// if (r > 0) unlink(conf);
+#if defined (__SVR4) && defined (__sun)
-  // fRet = AppInit((int)b_argc, (char **)b_argv);
+  // ignore SIGPIPE on Solaris
-  // if (fRet && fDaemon) return 0;
+  signal(SIGPIPE, SIG_IGN);
-  // return fRet ? 0 : 1;
+#endif
+
+  // ********************************************************* Step 2: parameter interactions
+
+  if (mapArgs.count("-bind")) {
+    // when specifying an explicit binding address, you want to listen on it
+    // even when -connect or -proxy is specified
+    SoftSetBoolArg("-listen", true);
+  }
+
+  if (mapArgs.count("-connect") && mapMultiArgs["-connect"].size() > 0) {
+    // when only connecting to trusted nodes, do not seed via DNS, or listen by default
+    SoftSetBoolArg("-dnsseed", false);
+    SoftSetBoolArg("-listen", false);
+  }
+
+  if (mapArgs.count("-proxy")) {
+    // to protect privacy, do not listen by default if a default proxy server is specified
+    SoftSetBoolArg("-listen", false);
+  }
+
+  if (!GetBoolArg("-listen", true)) {
+    // do not map ports or try to retrieve public IP when not listening (pointless)
+    SoftSetBoolArg("-upnp", false);
+    SoftSetBoolArg("-discover", false);
+  }
+
+  if (mapArgs.count("-externalip")) {
+    // if an explicit public IP is specified, do not try to find others
+    SoftSetBoolArg("-discover", false);
+  }
+
+  if (GetBoolArg("-salvagewallet", false)) {
+    // Rewrite just private keys: rescan to find transactions
+    SoftSetBoolArg("-rescan", true);
+  }
+
+  // -zapwallettx implies a rescan
+  if (GetBoolArg("-zapwallettxes", false)) {
+    SoftSetBoolArg("-rescan", true);
+  }
+
+  // Make sure enough file descriptors are available
+  int nBind = std::max((int)mapArgs.count("-bind"), 1);
+  nMaxConnections = GetArg("-maxconnections", 125);
+  nMaxConnections = std::max(std::min(nMaxConnections, (int)(FD_SETSIZE - nBind - MIN_CORE_FILEDESCRIPTORS)), 0);
+  int nFD = RaiseFileDescriptorLimit(nMaxConnections + MIN_CORE_FILEDESCRIPTORS);
+  if (nFD < MIN_CORE_FILEDESCRIPTORS) {
+    return 1;
+  }
+  if (nFD - MIN_CORE_FILEDESCRIPTORS < nMaxConnections) {
+    nMaxConnections = nFD - MIN_CORE_FILEDESCRIPTORS;
+  }
+
+  // ********************************************************* Step 3: parameter-to-internal-flags
+
+  fDebug = !mapMultiArgs["-debug"].empty();
+  // Special-case: if -debug=0/-nodebug is set, turn off debugging messages
+  const vector<string>& categories = mapMultiArgs["-debug"];
+  if (GetBoolArg("-nodebug", false)
+      || find(categories.begin(), categories.end(), string("0")) != categories.end()) {
+    fDebug = false;
+  }
+
+  // Check for -debugnet (deprecated)
+  GetBoolArg("-debugnet", false);
+
+  fBenchmark = GetBoolArg("-benchmark", false);
+  mempool.setSanityCheck(GetBoolArg("-checkmempool", RegTest()));
+  Checkpoints::fEnabled = GetBoolArg("-checkpoints", true);
+
+  // -par=0 means autodetect, but nScriptCheckThreads==0 means no concurrency
+  nScriptCheckThreads = GetArg("-par", 0);
+  if (nScriptCheckThreads <= 0) {
+    nScriptCheckThreads += boost::thread::hardware_concurrency();
+  }
+  if (nScriptCheckThreads <= 1) {
+    nScriptCheckThreads = 0;
+  } else if (nScriptCheckThreads > MAX_SCRIPTCHECK_THREADS) {
+    nScriptCheckThreads = MAX_SCRIPTCHECK_THREADS;
+  }
+
+  fServer = GetBoolArg("-server", false);
+  fPrintToConsole = GetBoolArg("-printtoconsole", false);
+  fLogTimestamps = GetBoolArg("-logtimestamps", true);
+#ifdef ENABLE_WALLET
+  bool fDisableWallet = GetBoolArg("-disablewallet", false);
+#endif
+
+  if (mapArgs.count("-timeout")) {
+    int nNewTimeout = GetArg("-timeout", 5000);
+    if (nNewTimeout > 0 && nNewTimeout < 600000) {
+      nConnectTimeout = nNewTimeout;
+    }
+  }
+
+  // Continue to put "/P2SH/" in the coinbase to monitor
+  // BIP16 support.
+  // This can be removed eventually...
+  const char* pszP2SH = "/P2SH/";
+  COINBASE_FLAGS << std::vector<unsigned char>(pszP2SH, pszP2SH+strlen(pszP2SH));
+
+  // 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 (mapArgs.count("-mintxfee")) {
+    int64_t n = 0;
+    if (ParseMoney(mapArgs["-mintxfee"], n) && n > 0) {
+      CTransaction::nMinTxFee = n;
+    } else {
+      return 1;
+    }
+  }
+  if (mapArgs.count("-minrelaytxfee")) {
+    int64_t n = 0;
+    if (ParseMoney(mapArgs["-minrelaytxfee"], n) && n > 0) {
+      CTransaction::nMinRelayTxFee = n;
+    } else {
+      return 1;
+    }
+  }
+
+#ifdef ENABLE_WALLET
+  if (mapArgs.count("-paytxfee")) {
+    if (!ParseMoney(mapArgs["-paytxfee"], nTransactionFee)) {
+      return 1;
+    }
+  }
+  bSpendZeroConfChange = GetArg("-spendzeroconfchange", true);
+
+  strWalletFile = GetArg("-wallet", "wallet.dat");
+#endif
+  // ********************************************************* Step 4: application initialization: dir lock, daemonize, pidfile, debug log
+
+  std::string strDataDir = GetDataDir().string();
+#ifdef ENABLE_WALLET
+  // Wallet file must be a plain filename without a directory
+  if (strWalletFile != boost::filesystem::basename(strWalletFile)
+      + boost::filesystem::extension(strWalletFile)) {
+    return 1;
+  }
+#endif
+  // Make sure only a single Bitcoin 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);
+  static boost::interprocess::file_lock lock(pathLockFile.string().c_str());
+  if (!lock.try_lock()) {
+    return 1;
+  }
+
+  if (GetBoolArg("-shrinkdebugfile", !fDebug)) {
+    ShrinkDebugFile();
+  }
+  int failure = 0;
+
+  if (nScriptCheckThreads) {
+    for (int i = 0; i < nScriptCheckThreads - 1; i++) {
+      threadGroup.create_thread(&ThreadScriptCheck);
+    }
+  }
+
+  int64_t nStart;
+
+  // ********************************************************* Step 5: verify wallet database integrity
+#ifdef ENABLE_WALLET
+  if (!fDisableWallet) {
+    if (!bitdb.Open(GetDataDir())) {
+      // try moving the database env out of the way
+      boost::filesystem::path pathDatabase = GetDataDir() / "database";
+      boost::filesystem::path pathDatabaseBak = GetDataDir() / strprintf("database.%d.bak", GetTime());
+      try {
+        boost::filesystem::rename(pathDatabase, pathDatabaseBak);
+      } catch (boost::filesystem::filesystem_error &error) {
+         ; // failure is ok (well, not really, but it's not worse than what we started with)
+      }
+
+      // try again
+      if (!bitdb.Open(GetDataDir())) {
+        // if it still fails, it probably means we can't even create the database env
+        // Error initializing wallet database environment
+        return 1;
+      }
+    }
+
+    if (GetBoolArg("-salvagewallet", false)) {
+      // Recover readable keypairs:
+      if (!CWalletDB::Recover(bitdb, strWalletFile, true)) {
+        return 1;
+      }
+    }
+
+    if (filesystem::exists(GetDataDir() / strWalletFile)) {
+      CDBEnv::VerifyResult r = bitdb.Verify(strWalletFile, CWalletDB::Recover);
+      if (r == CDBEnv::RECOVER_OK) {
+        ; // wallet salvaged
+      }
+      if (r == CDBEnv::RECOVER_FAIL) {
+        return 1;
+      }
+    }
+  } // (!fDisableWallet)
+#endif // ENABLE_WALLET
+  // ********************************************************* Step 6: network initialization
+
+  RegisterNodeSignals(GetNodeSignals());
+
+  int nSocksVersion = GetArg("-socks", 5);
+  if (nSocksVersion != 4 && nSocksVersion != 5) {
+    return 1;
+  }
+
+  if (mapArgs.count("-onlynet")) {
+    std::set<enum Network> nets;
+    BOOST_FOREACH(std::string snet, mapMultiArgs["-onlynet"]) {
+      enum Network net = ParseNetwork(snet);
+      if (net == NET_UNROUTABLE) {
+        return 1;
+      }
+      nets.insert(net);
+    }
+    for (int n = 0; n < NET_MAX; n++) {
+      enum Network net = (enum Network)n;
+      if (!nets.count(net)) {
+        SetLimited(net);
+      }
+    }
+  }
+#if defined(USE_IPV6)
+#if ! USE_IPV6
+  else
+    SetLimited(NET_IPV6);
+#endif
+#endif
+
+  CService addrProxy;
+  bool fProxy = false;
+  if (mapArgs.count("-proxy")) {
+    addrProxy = CService(mapArgs["-proxy"], 9050);
+    if (!addrProxy.IsValid()) {
+      return 1;
+    }
+
+    if (!IsLimited(NET_IPV4)) {
+      SetProxy(NET_IPV4, addrProxy, nSocksVersion);
+    }
+
+    if (nSocksVersion > 4) {
+#ifdef USE_IPV6
+      if (!IsLimited(NET_IPV6)) {
+        SetProxy(NET_IPV6, addrProxy, nSocksVersion);
+      }
+#endif
+      SetNameProxy(addrProxy, nSocksVersion);
+    }
+    fProxy = true;
+  }
+
+  // -onion can override normal proxy, -noonion disables tor entirely
+  if (!(mapArgs.count("-onion")
+      && mapArgs["-onion"] == "0")
+      && !(mapArgs.count("-tor")
+      && mapArgs["-tor"] == "0")
+      && (fProxy || mapArgs.count("-onion") || mapArgs.count("-tor"))) {
+    CService addrOnion;
+    if (!mapArgs.count("-onion") && !mapArgs.count("-tor")) {
+      addrOnion = addrProxy;
+    } else {
+      addrOnion = mapArgs.count("-onion")?CService(mapArgs["-onion"], 9050):CService(mapArgs["-tor"], 9050);
+    }
+    if (!addrOnion.IsValid()) {
+      return 1;
+    }
+    SetProxy(NET_TOR, addrOnion, 5);
+    SetReachable(NET_TOR);
+  }
+
+  // see Step 2: parameter interactions for more information about these
+  fNoListen = !GetBoolArg("-listen", true);
+  fDiscover = GetBoolArg("-discover", true);
+  fNameLookup = GetBoolArg("-dns", true);
+
+  bool fBound = false;
+  if (!fNoListen) {
+    if (mapArgs.count("-bind")) {
+      BOOST_FOREACH(std::string strBind, mapMultiArgs["-bind"]) {
+        CService addrBind;
+        if (!Lookup(strBind.c_str(), addrBind, GetListenPort(), false))
+          return 1;
+        fBound |= Bind(addrBind, (BF_EXPLICIT | BF_REPORT_ERROR));
+      }
+    } else {
+      struct in_addr inaddr_any;
+      inaddr_any.s_addr = INADDR_ANY;
+#ifdef USE_IPV6
+      fBound |= Bind(CService(in6addr_any, GetListenPort()), BF_NONE);
+#endif
+      fBound |= Bind(CService(inaddr_any, GetListenPort()), !fBound ? BF_REPORT_ERROR : BF_NONE);
+    }
+    if (!fBound) {
+      return 1;
+    }
+  }
+
+  if (mapArgs.count("-externalip")) {
+    BOOST_FOREACH(string strAddr, mapMultiArgs["-externalip"]) {
+      CService addrLocal(strAddr, GetListenPort(), fNameLookup);
+      if (!addrLocal.IsValid())
+        return 1;
+      AddLocal(CService(strAddr, GetListenPort(), fNameLookup), LOCAL_MANUAL);
+    }
+  }
+
+  BOOST_FOREACH(string strDest, mapMultiArgs["-seednode"]) {
+    AddOneShot(strDest);
+  }
+
+  // ********************************************************* Step 7: load block chain
+
+  fReindex = GetBoolArg("-reindex", false);
+
+  // Upgrading to 0.8; hard-link the old blknnnn.dat files into /blocks/
+  filesystem::path blocksDir = GetDataDir() / "blocks";
+  if (!filesystem::exists(blocksDir)) {
+    filesystem::create_directories(blocksDir);
+    bool linked = false;
+    for (unsigned int i = 1; i < 10000; i++) {
+      filesystem::path source = GetDataDir() / strprintf("blk%04u.dat", i);
+      if (!filesystem::exists(source)) break;
+      filesystem::path dest = blocksDir / strprintf("blk%05u.dat", i-1);
+      try {
+        filesystem::create_hard_link(source, dest);
+        linked = true;
+      } catch (filesystem::filesystem_error & e) {
+        // Note: hardlink creation failing is not a disaster, it just means
+        // blocks will get re-downloaded from peers.
+        break;
+      }
+    }
+    if (linked) {
+      fReindex = true;
+    }
+  }
+
+  // cache size calculations
+  size_t nTotalCache = (GetArg("-dbcache", nDefaultDbCache) << 20);
+  if (nTotalCache < (nMinDbCache << 20)) {
+    nTotalCache = (nMinDbCache << 20); // total cache cannot be less than nMinDbCache
+  } else if (nTotalCache > (nMaxDbCache << 20)) {
+    nTotalCache = (nMaxDbCache << 20); // total cache cannot be greater than nMaxDbCache
+  }
+  size_t nBlockTreeDBCache = nTotalCache / 8;
+  if (nBlockTreeDBCache > (1 << 21) && !GetBoolArg("-txindex", false)) {
+    nBlockTreeDBCache = (1 << 21); // block tree db cache shouldn't be larger than 2 MiB
+  }
+  nTotalCache -= nBlockTreeDBCache;
+  size_t nCoinDBCache = nTotalCache / 2; // use half of the remaining cache for coindb cache
+  nTotalCache -= nCoinDBCache;
+  nCoinCacheSize = nTotalCache / 300; // coins in memory require around 300 bytes
+
+  bool fLoaded = false;
+  while (!fLoaded) {
+    bool fReset = fReindex;
+
+    nStart = GetTimeMillis();
+    do {
+      try {
+        UnloadBlockIndex();
+        delete pcoinsTip;
+        delete pcoinsdbview;
+        delete pblocktree;
+
+        pblocktree = new CBlockTreeDB(nBlockTreeDBCache, false, fReindex);
+        pcoinsdbview = new CCoinsViewDB(nCoinDBCache, false, fReindex);
+        pcoinsTip = new CCoinsViewCache(*pcoinsdbview);
+
+        if (fReindex) {
+          pblocktree->WriteReindexing(true);
+        }
+
+        if (!LoadBlockIndex()) {
+          // 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() && chainActive.Genesis() == NULL) {
+          return 1;
+        }
+
+        // Initialize the block index (no-op if non-empty database was already loaded)
+        if (!InitBlockIndex()) {
+          // Error initializing block database
+          break;
+        }
+
+        // Check for changed -txindex state
+        if (fTxIndex != GetBoolArg("-txindex", false)) {
+          // You need to rebuild the database using -reindex to change -txindex
+          break;
+        }
+
+        if (!VerifyDB(GetArg("-checklevel", 3), GetArg("-checkblocks", 288))) {
+          // Corrupted block database detected
+          break;
+        }
+      } catch(std::exception &e) {
+        // Error opening block database
+        break;
+      }
+
+      fLoaded = true;
+    } while (false);
+
+    if (!fLoaded) {
+      // first suggest a reindex
+      if (!fReset) {
+        // automatically reindex:
+        fReindex = true;
+        fRequestShutdown = false;
+      } else {
+        return 1;
+      }
+    }
+  }
+
+  // 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) {
+    return 1;
+  }
+
+  // ********************************************************* Step 8: load wallet
+#ifdef ENABLE_WALLET
+  if (fDisableWallet) {
+    pwalletMain = NULL;
+  } else {
+    if (GetBoolArg("-zapwallettxes", false)) {
+
+      pwalletMain = new CWallet(strWalletFile);
+      DBErrors nZapWalletRet = pwalletMain->ZapWalletTx();
+      if (nZapWalletRet != DB_LOAD_OK) {
+        return 1;
+      }
+
+      delete pwalletMain;
+      pwalletMain = NULL;
+    }
+
+    nStart = GetTimeMillis();
+    bool fFirstRun = true;
+    pwalletMain = new CWallet(strWalletFile);
+    DBErrors nLoadWalletRet = pwalletMain->LoadWallet(fFirstRun);
+    if (nLoadWalletRet != DB_LOAD_OK) {
+      if (nLoadWalletRet == DB_CORRUPT) {
+        // Error loading wallet.dat: Wallet corrupted
+        failure = 1;
+      } else if (nLoadWalletRet == DB_NONCRITICAL_ERROR) {
+        // wallet okay, txs bad
+      } else if (nLoadWalletRet == DB_TOO_NEW) {
+        // Error loading wallet.dat: Wallet requires newer version of Bitcoin
+        failure = 1;
+      } else if (nLoadWalletRet == DB_NEED_REWRITE) {
+        // Wallet needed to be rewritten: restart Bitcoin to complete
+        failure = 1;
+        return 1;
+      } else {
+        // Error loading wallet.dat
+        failure = 1;
+      }
+    }
+
+    if (GetBoolArg("-upgradewallet", fFirstRun)) {
+      int nMaxVersion = GetArg("-upgradewallet", 0);
+      if (nMaxVersion == 0) { // the -upgradewallet without argument case
+        nMaxVersion = CLIENT_VERSION;
+        pwalletMain->SetMinVersion(FEATURE_LATEST); // permanently upgrade the wallet immediately
+      } else if (nMaxVersion < pwalletMain->GetVersion()) {
+        // Cannot downgrade wallet
+        failure = 1;
+      }
+      pwalletMain->SetMaxVersion(nMaxVersion);
+    }
+
+    if (fFirstRun) {
+      // Create new keyUser and set as default key
+      RandAddSeedPerfmon();
+
+      CPubKey newDefaultKey;
+      if (pwalletMain->GetKeyFromPool(newDefaultKey)) {
+        pwalletMain->SetDefaultKey(newDefaultKey);
+        if (!pwalletMain->SetAddressBook(pwalletMain->vchDefaultKey.GetID(), "", "receive")) {
+          // Cannot write default address
+          failure = 1;
+        }
+      }
+
+      pwalletMain->SetBestChain(chainActive.GetLocator());
+    }
+
+    RegisterWallet(pwalletMain);
+
+    CBlockIndex *pindexRescan = chainActive.Tip();
+    if (GetBoolArg("-rescan", false)) {
+      pindexRescan = chainActive.Genesis();
+    } else {
+      CWalletDB walletdb(strWalletFile);
+      CBlockLocator locator;
+      if (walletdb.ReadBestBlock(locator)) {
+        pindexRescan = chainActive.FindFork(locator);
+      } else {
+        pindexRescan = chainActive.Genesis();
+      }
+    }
+    if (chainActive.Tip() && chainActive.Tip() != pindexRescan) {
+      nStart = GetTimeMillis();
+      pwalletMain->ScanForWalletTransactions(pindexRescan, true);
+      pwalletMain->SetBestChain(chainActive.GetLocator());
+      nWalletDBUpdated++;
+    }
+  } // (!fDisableWallet)
+#endif // !ENABLE_WALLET
+  // ********************************************************* Step 9: import blocks
+
+  // scan for better chains in the block chain database, that are not yet connected in the active best chain
+  CValidationState state;
+  if (!ActivateBestChain(state)) {
+    // Failed to connect best block
+    failure = 1;
+  }
+
+  std::vector<boost::filesystem::path> vImportFiles;
+  if (mapArgs.count("-loadblock")) {
+    BOOST_FOREACH(string strFile, mapMultiArgs["-loadblock"]) {
+      vImportFiles.push_back(strFile);
+    }
+  }
+  threadGroup.create_thread(boost::bind(&ThreadImport, vImportFiles));
+
+  // ********************************************************* Step 10: load peers
+
+  nStart = GetTimeMillis();
+
+  {
+    CAddrDB adb;
+    adb.Read(addrman);
+  }
+
+  // ********************************************************* Step 11: start node
+
+  if (!CheckDiskSpace()) {
+    return 1;
+  }
+
+  if (failure) {
+    return 1;
+  }
+
+  RandAddSeedPerfmon();
+
+  StartNode(threadGroup);
+
+  // InitRPCMining is needed here so getwork/getblocktemplate in the GUI debug console works properly.
+  InitRPCMining();
+  if (fServer) {
+    StartRPCThreads();
+  }
+
+#ifdef ENABLE_WALLET
+  // Generate coins in the background
+  if (pwalletMain) {
+    GenerateBitcoins(GetBoolArg("-gen", false), pwalletMain, GetArg("-genproclimit", -1));
+  }
+#endif
+
+  // ********************************************************* Step 12: finished
+
+#ifdef ENABLE_WALLET
+  if (pwalletMain) {
+    // Add wallet transactions that aren't already in a block to mapTransactions
+    pwalletMain->ReacceptWalletTransactions();
+
+    // Run a thread to flush wallet periodically
+    threadGroup.create_thread(boost::bind(&ThreadFlushWalletDB, boost::ref(pwalletMain->strWalletFile)));
+  }
+#endif
+
+  //
+  // appinit1:
+  //
+
+  int fRet = !fRequestShutdown;
+
+  if (!fRet) {
+    if (detectShutdownThread)
+      detectShutdownThread->interrupt();
+
+    threadGroup.interrupt_all();
+    // threadGroup.join_all(); was left out intentionally here, because we didn't re-test all of
+    // the startup-failure cases to make sure they don't result in a hang due to some
+    // thread-blocking-waiting-for-another-thread-during-startup case
+  }
+
+  if (detectShutdownThread) {
+    detectShutdownThread->join();
+    delete detectShutdownThread;
+    detectShutdownThread = NULL;
+  }
+  Shutdown();
+
+  //
+  // main:
+  //
+
+  if (fRet && fDaemon) {
+    return 0;
+  }
+
+  return fRet ? 0 : 1;
 }
 
 /**