Drop sprintf dependency

[novacoin.git] / src / init.cpp

diff --git a/src/init.cpp b/src/init.cpp
index 349dd32..5117dd5 100644 (file)
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -81,7 +81,7 @@ void Shutdown(void* parg)
             fTaken = true;
         }
     }
-    static bool fExit;
+    volatile static bool fExit;
     if (fFirstThread)
     {
         fShutdown = true;
@@ -299,7 +299,7 @@ std::string HelpMessage()
         "  -rescan                " + _("Rescan the block chain for missing wallet transactions") + "\n" +
         "  -zapwallettxes         " + _("Clear list of wallet transactions (diagnostic tool; implies -rescan)") + "\n" +
         "  -salvagewallet         " + _("Attempt to recover private keys from a corrupt wallet.dat") + "\n" +
-        "  -checkblocks=<n>       " + _("How many blocks to check at startup (default: 2500, 0 = all)") + "\n" +
+        "  -checkblocks=<n>       " + _("How many blocks to check at startup (default: 192, 0 = all)") + "\n" +
         "  -checklevel=<n>        " + _("How thorough the block verification is (0-6, default: 1)") + "\n" +
         "  -par=N                 " + _("Set the number of script verification threads (1-16, 0=auto, default: 0)") + "\n" +
         "  -loadblock=<file>      " + _("Imports blocks from external blk000?.dat file") + "\n" +
@@ -318,9 +318,39 @@ std::string HelpMessage()
     return strUsage;
 }
 
-/** Initialize bitcoin.
- *  @pre Parameters should be parsed and config file should be read.
- */
+bool DropBlockIndex()
+{
+    try
+    {
+#ifdef USE_LEVELDB
+        filesystem::path directory = GetDataDir() / "txleveldb";
+        filesystem::remove_all(directory); // remove directory
+#else
+        filesystem::path indexFile = GetDataDir() / "blkindex.dat";
+        filesystem::remove(indexFile); // remove index file
+#endif
+
+        unsigned int nFile = 1;
+        for ( ; ; )
+        {
+            filesystem::path strBlockFile = GetDataDir() / strprintf("blk%04u.dat", nFile);
+            // Break if no such file
+            if( !filesystem::exists( strBlockFile ) )
+                break;
+            filesystem::remove(strBlockFile);
+            nFile++;
+        }
+        return true;
+    }
+    catch(const std::exception&)
+    {
+        // TODO: report error here
+        return false;
+    }
+}
+
+// Initialize bitcoin.
+//  @pre Parameters should be parsed and config file should be read.
 bool AppInit2()
 {
     // ********************************************************* Step 1: setup
@@ -382,19 +412,19 @@ bool AppInit2()
     // Ping and address broadcast intervals
     nPingInterval = max<int64_t>(10 * 60, GetArg("-keepalive", 30 * 60));
 
-    CheckpointsMode = Checkpoints::STRICT;
+    CheckpointsMode = Checkpoints::CP_STRICT;
     auto strCpMode = GetArg("-cppolicy", "strict");
 
     if(strCpMode == "strict") {
-        CheckpointsMode = Checkpoints::STRICT;
+        CheckpointsMode = Checkpoints::CP_STRICT;
     }
 
     if(strCpMode == "advisory") {
-        CheckpointsMode = Checkpoints::ADVISORY;
+        CheckpointsMode = Checkpoints::CP_ADVISORY;
     }
 
     if(strCpMode == "permissive") {
-        CheckpointsMode = Checkpoints::PERMISSIVE;
+        CheckpointsMode = Checkpoints::CP_PERMISSIVE;
     }
 
     fTestNet = GetBoolArg("-testnet");
@@ -445,7 +475,7 @@ bool AppInit2()
     // -par=0 means autodetect, but nScriptCheckThreads==0 means no concurrency
     nScriptCheckThreads = GetArgInt("-par", 0);
     if (nScriptCheckThreads == 0)
-        nScriptCheckThreads = std::thread::hardware_concurrency();
+        nScriptCheckThreads = boost::thread::hardware_concurrency();
     if (nScriptCheckThreads <= 1) 
         nScriptCheckThreads = 0;
     else if (nScriptCheckThreads > MAX_SCRIPTCHECK_THREADS)
@@ -554,7 +584,6 @@ bool AppInit2()
         printf("Startup time: %s\n", DateTimeStrFormat("%x %H:%M:%S", GetTime()).c_str());
     printf("Default data directory %s\n", GetDefaultDataDir().string().c_str());
     printf("Used data directory %s\n", strDataDir.c_str());
-    std::ostringstream strErrors;
 
     if (fDaemon)
         fprintf(stdout, "NovaCoin server starting\n");
@@ -565,8 +594,6 @@ bool AppInit2()
             NewThread(ThreadScriptCheck, NULL);
     }
 
-    int64_t nStart;
-
     // ********************************************************* Step 5: verify database integrity
 
     uiInterface.InitMessage(_("Verifying database integrity..."));
@@ -678,7 +705,6 @@ bool AppInit2()
     bool fBound = false;
     if (!fNoListen)
     {
-        std::string strError;
         if (mapArgs.count("-bind")) {
             for(std::string strBind :  mapMultiArgs["-bind"]) {
                 CService addrBind;
@@ -765,6 +791,7 @@ bool AppInit2()
 
     printf("Loading block index...\n");
     bool fLoaded = false;
+    int64_t nStart;
     while (!fLoaded) {
         std::string strLoadError;
         uiInterface.InitMessage(_("Loading block index..."));
@@ -787,6 +814,7 @@ bool AppInit2()
         } while(false);
 
         if (!fLoaded) {
+            DropBlockIndex();
             // TODO: suggest reindex here
             return InitError(strLoadError);
         }
@@ -815,7 +843,7 @@ bool AppInit2()
         for (auto mi = mapBlockIndex.begin(); mi != mapBlockIndex.end(); ++mi)
         {
             auto hash = (*mi).first;
-            if (strncmp(hash.ToString().c_str(), strMatch.c_str(), strMatch.size()) == 0)
+            if (strMatch.compare(hash.ToString()) == 0)
             {
                 auto pindex = (*mi).second;
                 CBlock block;
@@ -849,6 +877,7 @@ bool AppInit2()
     uiInterface.InitMessage(_("Loading wallet..."));
     printf("Loading wallet...\n");
     nStart = GetTimeMillis();
+    std::ostringstream strErrors;
     bool fFirstRun = true;
     pwalletMain = new CWallet(strWalletFileName);
     DBErrors nLoadWalletRet = pwalletMain->LoadWallet(fFirstRun);
@@ -944,7 +973,7 @@ bool AppInit2()
         {
             FILE *file = fopen(strFile.c_str(), "rb");
             if (file)
-                LoadExternalBlockFile(file);
+                LoadExternalBlockFile(file, uiInterface);
         }
         StartShutdown();
     }
@@ -956,7 +985,7 @@ bool AppInit2()
         FILE *file = fopen(pathBootstrap.string().c_str(), "rb");
         if (file) {
             filesystem::path pathBootstrapOld = GetDataDir() / "bootstrap.dat.old";
-            LoadExternalBlockFile(file);
+            LoadExternalBlockFile(file, uiInterface);
             RenameOver(pathBootstrap, pathBootstrapOld);
         }
     }