Showing local addresses on the Node Window

Adds a new row to the Node Window (debugwindow.ui)
under the Network section which shows the LocalAddresses.

fixes #564

src/qt/forms/debugwindow.ui

@@ -249,6 +249,41 @@
         </widget>
        </item>
        <item row="9" column="0">
+        <widget class="QLabel" name="label_14">
+         <property name="text">
+          <string>Local Addresses</string>
+         </property>
+        </widget>
+       </item>
+       <item row="9" column="1" colspan="2">
+        <widget class="QLabel" name="localAddresses">
+         <property name="cursor">
+          <cursorShape>IBeamCursor</cursorShape>
+         </property>
+         <property name="wordWrap">
+              <bool>true</bool>
+         </property>
+         <property name="sizePolicy">
+           <sizepolicy hsizetype="Preferred" vsizetype="Minimum">
+            <horstretch>0</horstretch>
+            <verstretch>0</verstretch>
+           </sizepolicy>
+         </property>
+         <property name="text">
+          <string notr="true">N/A</string>
+         </property>
+         <property name="textFormat">
+          <enum>Qt::PlainText</enum>
+         </property>
+         <property name="textInteractionFlags">
+          <set>Qt::LinksAccessibleByMouse|Qt::TextSelectableByKeyboard|Qt::TextSelectableByMouse</set>
+         </property>
+         <property name="toolTip">
+          <string>Network addresses that your Bitcoin node is currently using to communicate with other nodes.</string>
+         </property>
+        </widget>
+       </item>
+       <item row="10" column="0">
         <widget class="QLabel" name="label_10">
          <property name="font">
           <font>
@@ -261,14 +296,14 @@
          </property>
         </widget>
        </item>
-       <item row="10" column="0">
+       <item row="11" column="0">
         <widget class="QLabel" name="label_3">
          <property name="text">
           <string>Current block height</string>
          </property>
         </widget>
        </item>
-       <item row="10" column="1" colspan="2">
+       <item row="11" column="1" colspan="2">
         <widget class="QLabel" name="numberOfBlocks">
          <property name="cursor">
           <cursorShape>IBeamCursor</cursorShape>
@@ -284,14 +319,14 @@
          </property>
         </widget>
        </item>
-       <item row="11" column="0">
+       <item row="12" column="0">
         <widget class="QLabel" name="labelLastBlockTime">
          <property name="text">
           <string>Last block time</string>
          </property>
         </widget>
        </item>
-       <item row="11" column="1" colspan="2">
+       <item row="12" column="1" colspan="2">
         <widget class="QLabel" name="lastBlockTime">
          <property name="cursor">
           <cursorShape>IBeamCursor</cursorShape>
@@ -307,7 +342,7 @@
          </property>
         </widget>
        </item>
-       <item row="12" column="0">
+       <item row="13" column="0">
         <widget class="QLabel" name="labelMempoolTitle">
          <property name="font">
           <font>
@@ -320,14 +355,14 @@
          </property>
         </widget>
        </item>
-       <item row="13" column="0">
+       <item row="14" column="0">
         <widget class="QLabel" name="labelNumberOfTransactions">
          <property name="text">
           <string>Current number of transactions</string>
          </property>
         </widget>
        </item>
-       <item row="13" column="1">
+       <item row="14" column="1">
         <widget class="QLabel" name="mempoolNumberTxs">
          <property name="cursor">
           <cursorShape>IBeamCursor</cursorShape>
@@ -343,14 +378,14 @@
          </property>
         </widget>
        </item>
-       <item row="14" column="0">
+       <item row="15" column="0">
         <widget class="QLabel" name="labelMemoryUsage">
          <property name="text">
           <string>Memory usage</string>
          </property>
         </widget>
        </item>
-       <item row="14" column="1">
+       <item row="15" column="1">
         <widget class="QLabel" name="mempoolSize">
          <property name="cursor">
           <cursorShape>IBeamCursor</cursorShape>
@@ -366,7 +401,7 @@
          </property>
         </widget>
        </item>
-       <item row="12" column="2" rowspan="3">
+       <item row="13" column="2" rowspan="3">
         <layout class="QVBoxLayout" name="verticalLayoutDebugButton">
          <property name="spacing">
           <number>3</number>
@@ -406,7 +441,7 @@
          </item>
         </layout>
        </item>
-       <item row="15" column="0">
+       <item row="16" column="0">
         <spacer name="verticalSpacer">
          <property name="orientation">
           <enum>Qt::Vertical</enum>

src/qt/rpcconsole.cpp

@@ -975,6 +975,18 @@ void RPCConsole::updateNetworkState()
     }
 
     ui->numberOfConnections->setText(connections);
+
+    QString local_addresses;
+    std::map<CNetAddr, LocalServiceInfo> hosts = clientModel->getNetLocalAddresses();
+    for (const auto& [addr, info] : hosts) {
+        local_addresses += QString::fromStdString(addr.ToStringAddr());
+        if (!addr.IsI2P()) local_addresses += ":" + QString::number(info.nPort);
+        local_addresses += ", ";
+    }
+    local_addresses.chop(2); // remove last ", "
+    if (local_addresses.isEmpty()) local_addresses = tr("None");
+
+    ui->localAddresses->setText(local_addresses);
 }
 
 void RPCConsole::setNumConnections(int count)