Fix issue #659, and cleanup wallet/command-line argument handling a bit

src/init.cpp

@@ -194,6 +194,7 @@ bool AppInit2(int argc, char* argv[])
             "  -maxconnections=<n>\t  " + _("Maintain at most <n> connections to peers (default: 125)") + "\n" +
             "  -addnode=<ip>    \t  "   + _("Add a node to connect to") + "\n" +
             "  -connect=<ip>    \t\t  " + _("Connect only to the specified node") + "\n" +
+            "  -noirc           \t  "   + _("Don't find peers using internet relay chat") + "\n" +
             "  -nolisten        \t  "   + _("Don't accept connections from outside") + "\n" +
             "  -nodnsseed       \t  "   + _("Don't bootstrap list of peers using DNS") + "\n" +
             "  -banscore=<n>    \t  "   + _("Threshold for disconnecting misbehaving peers (default: 100)") + "\n" +
@@ -248,7 +249,6 @@ bool AppInit2(int argc, char* argv[])
     }
 
     fDebug = GetBoolArg("-debug");
-    fAllowDNS = GetBoolArg("-dns");
 
 #ifndef WIN32
     fDaemon = GetBoolArg("-daemon");
@@ -267,10 +267,6 @@ bool AppInit2(int argc, char* argv[])
 #endif
     fPrintToConsole = GetBoolArg("-printtoconsole");
     fPrintToDebugger = GetBoolArg("-printtodebugger");
-
-    fTestNet = GetBoolArg("-testnet");
-    bool fTOR = (fUseProxy && addrProxy.port == htons(9050));
-    fNoListen = GetBoolArg("-nolisten") || fTOR;
     fLogTimestamps = GetBoolArg("-logtimestamps");
 
 #ifndef QT_GUI
@@ -332,17 +328,6 @@ bool AppInit2(int argc, char* argv[])
         return false;
     }
 
-    // Bind to the port early so we can tell if another instance is already running.
-    if (!fNoListen)
-    {
-        std::string strError;
-        if (!BindListenPort(strError))
-        {
-            wxMessageBox(strError, "Bitcoin");
-            return false;
-        }
-    }
-
     std::ostringstream strErrors;
     //
     // Load data files
@@ -428,6 +413,10 @@ bool AppInit2(int argc, char* argv[])
     // Add wallet transactions that aren't already in a block to mapTransactions
     pwalletMain->ReacceptWalletTransactions();
 
+    // Note: Bitcoin-QT stores several settings in the wallet, so we want
+    // to load the wallet BEFORE parsing command-line arguments, so
+    // the command-line/bitcoin.conf settings override GUI setting.
+
     //
     // Parameters
     //
@@ -480,6 +469,44 @@ bool AppInit2(int argc, char* argv[])
         }
     }
 
+    fTestNet = GetBoolArg("-testnet");
+    bool fTor = (fUseProxy && addrProxy.port == htons(9050));
+    if (fTor)
+    {
+        // Use SoftSetArg here so user can override any of these if they wish.
+        // Note: the GetBoolArg() calls for all of these must happen later.
+        SoftSetArg("-nolisten", true);
+        SoftSetArg("-noirc", true);
+        SoftSetArg("-nodnsseed", true);
+        SoftSetArg("-noupnp", true);
+        SoftSetArg("-upnp", false);
+        SoftSetArg("-dns", false);
+    }
+
+    fAllowDNS = GetBoolArg("-dns");
+    fNoListen = GetBoolArg("-nolisten");
+
+    if (fHaveUPnP)
+    {
+#if USE_UPNP
+    if (GetBoolArg("-noupnp"))
+        fUseUPnP = false;
+#else
+    if (GetBoolArg("-upnp"))
+        fUseUPnP = true;
+#endif
+    }
+
+    if (!fNoListen)
+    {
+        std::string strError;
+        if (!BindListenPort(strError))
+        {
+            wxMessageBox(strError, "Bitcoin");
+            return false;
+        }
+    }
+
     if (mapArgs.count("-addnode"))
     {
         BOOST_FOREACH(string strAddr, mapMultiArgs["-addnode"])
@@ -502,17 +529,6 @@ bool AppInit2(int argc, char* argv[])
             wxMessageBox(_("Warning: -paytxfee is set very high.  This is the transaction fee you will pay if you send a transaction."), "Bitcoin", wxOK | wxICON_EXCLAMATION);
     }
 
-    if (fHaveUPnP)
-    {
-#if USE_UPNP
-    if (GetBoolArg("-noupnp"))
-        fUseUPnP = false;
-#else
-    if (GetBoolArg("-upnp"))
-        fUseUPnP = true;
-#endif
-    }
-
     //
     // Start the node
     //

src/irc.cpp

@@ -264,19 +264,14 @@ void ThreadIRCSeed2(void* parg)
     int nErrorWait = 10;
     int nRetryWait = 10;
     bool fNameInUse = false;
-    bool fTOR = (fUseProxy && addrProxy.port == htons(9050));
 
     while (!fShutdown)
     {
-        //CAddress addrConnect("216.155.130.130:6667"); // chat.freenode.net
         CAddress addrConnect("92.243.23.21", 6667); // irc.lfnet.org
-        if (!fTOR)
+
-        {
-            //struct hostent* phostent = gethostbyname("chat.freenode.net");
         CAddress addrIRC("irc.lfnet.org", 6667, true);
         if (addrIRC.IsValid())
             addrConnect = addrIRC;
-        }
 
         SOCKET hSocket;
         if (!ConnectSocket(addrConnect, hSocket))
@@ -406,10 +401,6 @@ void ThreadIRCSeed2(void* parg)
         closesocket(hSocket);
         hSocket = INVALID_SOCKET;
 
-        // IRC usually blocks TOR, so only try once
-        if (fTOR)
-            return;
-
         if (GetTime() - nStart > 20 * 60)
         {
             nErrorWait /= 3;

src/net.cpp

@@ -1471,7 +1471,7 @@ void ThreadOpenConnections2(void* parg)
         {
             // Add seed nodes if IRC isn't working
             bool fTOR = (fUseProxy && addrProxy.port == htons(9050));
-            if (mapAddresses.empty() && (GetTime() - nStart > 60 || fTOR) && !fTestNet)
+            if (mapAddresses.empty() && (GetTime() - nStart > 60 || fUseProxy) && !fTestNet)
                 fAddSeeds = true;
         }
 

src/util.cpp

@@ -470,6 +470,23 @@ void ParseParameters(int argc, char* argv[])
     }
 }
 
+bool SoftSetArg(const std::string& strArg, const std::string& strValue)
+{
+    if (mapArgs.count(strArg))
+        return false;
+    mapArgs[strArg] = strValue;
+    return true;
+}
+
+bool SoftSetArg(const std::string& strArg, bool fValue)
+{
+    if (fValue)
+        return SoftSetArg(strArg, std::string("1"));
+    else
+        return SoftSetArg(strArg, std::string("0"));
+}
+
+
 string EncodeBase64(const unsigned char* pch, size_t len)
 {
     static const char *pbase64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";

src/util.h

@@ -439,7 +439,7 @@ inline int64 GetArg(const std::string& strArg, int64 nDefault)
     return nDefault;
 }
 
-inline bool GetBoolArg(const std::string& strArg)
+inline bool GetBoolArg(const std::string& strArg, bool fDefault=false)
 {
     if (mapArgs.count(strArg))
     {
@@ -447,9 +447,26 @@ inline bool GetBoolArg(const std::string& strArg)
             return true;
         return (atoi(mapArgs[strArg]) != 0);
     }
-    return false;
+    return fDefault;
-}
+}
-
+
+/**
+ * Set an argument if it doesn't already have a value
+ *
+ * @param strArg Argument to set (e.g. "-foo")
+ * @param strValue Value (e.g. "1")
+ * @return true if argument gets set, false if it already had a value
+ */
+bool SoftSetArg(const std::string& strArg, const std::string& strValue);
+
+/**
+ * Set a boolean argument if it doesn't already have a value
+ *
+ * @param strArg Argument to set (e.g. "-foo")
+ * @param fValue Value (e.g. false)
+ * @return true if argument gets set, false if it already had a value
+ */
+bool SoftSetArg(const std::string& strArg, bool fValue);