Tor: Add client support

network/tor-local-network/src/main/java/bisq/tor/local_network/TorNode.java

@@ -31,6 +31,7 @@
 public class TorNode {
 
     public enum Type {
+        CLIENT,
         DIRECTORY_AUTHORITY,
         RELAY
     }

network/tor-local-network/src/main/java/bisq/tor/local_network/torrc/ClientTorrcGenerator.java

@@ -0,0 +1,33 @@
+/*
+ * This file is part of Bisq.
+ *
+ * Bisq is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Bisq is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Bisq. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package bisq.tor.local_network.torrc;
+
+import bisq.common.util.NetworkUtils;
+import bisq.tor.local_network.TorNode;
+
+public class ClientTorrcGenerator extends CommonTorrcGenerator{
+    public ClientTorrcGenerator(TorNode thisTorNode) {
+        super(thisTorNode);
+    }
+
+    @Override
+    public void generate() {
+        super.generate();
+        torrcStringBuilder.append("SocksPort ").append(NetworkUtils.findFreeSystemPort()).append("\n");
+    }
+}

network/tor-local-network/src/main/java/bisq/tor/local_network/torrc/CommonTorrcGenerator.java

@@ -56,9 +56,13 @@ public void generate() {
                 .append("Log debug file ").append(thisTorNode.getDataDir().resolve("debug.log").toAbsolutePath()).append("\n")
                 .append("ProtocolWarnings 1\n")
                 .append("SafeLogging 0\n")
-                .append("LogTimeGranularity 1\n")
+                .append("LogTimeGranularity 1\n");
 
-                .append("SocksPort 0\n")
+        if (thisTorNode.getType() != TorNode.Type.CLIENT) {
+            torrcStringBuilder.append("SocksPort 0\n");
+        }
+
+        torrcStringBuilder
                 .append("OrPort ").append(thisTorNode.getOrPort()).append("\n")
                 .append("Address 127.0.0.1\n")