[Qt] simple mempool info in debug window

src/qt/clientmodel.cpp

@@ -13,6 +13,7 @@
 #include "checkpoints.h"
 #include "clientversion.h"
 #include "net.h"
+#include "txmempool.h"
 #include "ui_interface.h"
 #include "util.h"
 
@@ -88,6 +89,16 @@ QDateTime ClientModel::getLastBlockDate() const
     return QDateTime::fromTime_t(Params().GenesisBlock().GetBlockTime()); // Genesis block's time of current network
 }
 
+long ClientModel::getMempoolSize() const
+{
+    return mempool.size();
+}
+
+size_t ClientModel::getMempoolDynamicUsage() const
+{
+    return mempool.DynamicMemoryUsage();
+}
+
 double ClientModel::getVerificationProgress() const
 {
     LOCK(cs_main);
@@ -122,6 +133,7 @@ void ClientModel::updateTimer()
         Q_EMIT numBlocksChanged(newNumBlocks, newBlockDate);
     }
 
+    Q_EMIT mempoolSizeChanged(getMempoolSize(), getMempoolDynamicUsage());
     Q_EMIT bytesChanged(getTotalBytesRecv(), getTotalBytesSent());
 }
 

src/qt/clientmodel.h

@@ -51,6 +51,11 @@ public:
     int getNumConnections(unsigned int flags = CONNECTIONS_ALL) const;
     int getNumBlocks() const;
 
+    //! Return number of transactions in the mempool
+    long getMempoolSize() const;
+    //! Return the dynamic memory usage of the mempool
+    size_t getMempoolDynamicUsage() const;
+    
     quint64 getTotalBytesRecv() const;
     quint64 getTotalBytesSent() const;
 
@@ -89,6 +94,7 @@ private:
 Q_SIGNALS:
     void numConnectionsChanged(int count);
     void numBlocksChanged(int count, const QDateTime& blockDate);
+    void mempoolSizeChanged(long count, size_t mempoolSizeInBytes);
     void alertsChanged(const QString &warnings);
     void bytesChanged(quint64 totalBytesIn, quint64 totalBytesOut);
 

src/qt/forms/debugwindow.ui

@@ -23,7 +23,7 @@
       <attribute name="title">
        <string>&amp;Information</string>
       </attribute>
-      <layout class="QGridLayout" name="gridLayout" columnstretch="0,1">
+      <layout class="QGridLayout" name="gridLayout" columnstretch="0,1,0">
        <property name="horizontalSpacing">
         <number>12</number>
        </property>
@@ -47,7 +47,7 @@
          </property>
         </widget>
        </item>
-       <item row="1" column="1">
+       <item row="1" column="1" colspan="2">
         <widget class="QLabel" name="clientName">
          <property name="cursor">
           <cursorShape>IBeamCursor</cursorShape>
@@ -70,7 +70,7 @@
          </property>
         </widget>
        </item>
-       <item row="2" column="1">
+       <item row="2" column="1" colspan="2">
         <widget class="QLabel" name="clientVersion">
          <property name="cursor">
           <cursorShape>IBeamCursor</cursorShape>
@@ -96,7 +96,7 @@
          </property>
         </widget>
        </item>
-       <item row="3" column="1">
+       <item row="3" column="1" colspan="2">
         <widget class="QLabel" name="clientUserAgent">
          <property name="cursor">
           <cursorShape>IBeamCursor</cursorShape>
@@ -122,7 +122,7 @@
          </property>
         </widget>
        </item>
-       <item row="4" column="1">
+       <item row="4" column="1" colspan="2">
         <widget class="QLabel" name="openSSLVersion">
          <property name="cursor">
           <cursorShape>IBeamCursor</cursorShape>
@@ -148,7 +148,7 @@
          </property>
         </widget>
        </item>
-       <item row="5" column="1">
+       <item row="5" column="1" colspan="2">
         <widget class="QLabel" name="berkeleyDBVersion">
          <property name="cursor">
           <cursorShape>IBeamCursor</cursorShape>
@@ -171,7 +171,7 @@
          </property>
         </widget>
        </item>
-       <item row="6" column="1">
+       <item row="6" column="1" colspan="2">
         <widget class="QLabel" name="buildDate">
          <property name="cursor">
           <cursorShape>IBeamCursor</cursorShape>
@@ -194,7 +194,7 @@
          </property>
         </widget>
        </item>
-       <item row="7" column="1">
+       <item row="7" column="1" colspan="2">
         <widget class="QLabel" name="startupTime">
          <property name="cursor">
           <cursorShape>IBeamCursor</cursorShape>
@@ -210,19 +210,6 @@
          </property>
         </widget>
        </item>
-       <item row="8" column="0">
-        <widget class="QLabel" name="label_11">
-         <property name="font">
-          <font>
-           <weight>75</weight>
-           <bold>true</bold>
-          </font>
-         </property>
-         <property name="text">
-          <string>Network</string>
-         </property>
-        </widget>
-       </item>
        <item row="9" column="0">
         <widget class="QLabel" name="label_8">
          <property name="text">
@@ -230,7 +217,7 @@
          </property>
         </widget>
        </item>
-       <item row="9" column="1">
+       <item row="9" column="1" colspan="2">
         <widget class="QLabel" name="networkName">
          <property name="cursor">
           <cursorShape>IBeamCursor</cursorShape>
@@ -253,7 +240,7 @@
          </property>
         </widget>
        </item>
-       <item row="10" column="1">
+       <item row="10" column="1" colspan="2">
         <widget class="QLabel" name="numberOfConnections">
          <property name="cursor">
           <cursorShape>IBeamCursor</cursorShape>
@@ -289,7 +276,7 @@
          </property>
         </widget>
        </item>
-       <item row="12" column="1">
+       <item row="12" column="1" colspan="2">
         <widget class="QLabel" name="numberOfBlocks">
          <property name="cursor">
           <cursorShape>IBeamCursor</cursorShape>
@@ -306,13 +293,13 @@
         </widget>
        </item>
        <item row="13" column="0">
-        <widget class="QLabel" name="label_2">
+        <widget class="QLabel" name="labelLastBlockTime">
          <property name="text">
           <string>Last block time</string>
          </property>
         </widget>
        </item>
-       <item row="13" column="1">
+       <item row="13" column="1" colspan="2">
         <widget class="QLabel" name="lastBlockTime">
          <property name="cursor">
           <cursorShape>IBeamCursor</cursorShape>
@@ -329,20 +316,43 @@
         </widget>
        </item>
        <item row="14" column="0">
-        <spacer name="verticalSpacer_2">
-         <property name="orientation">
-          <enum>Qt::Vertical</enum>
+        <widget class="QLabel" name="labelMempoolTitle">
+         <property name="font">
+          <font>
+           <weight>75</weight>
+           <bold>true</bold>
+          </font>
          </property>
-         <property name="sizeHint" stdset="0">
-          <size>
-           <width>20</width>
-           <height>20</height>
-          </size>
+         <property name="text">
+          <string>Memory Pool</string>
          </property>
-        </spacer>
+        </widget>
        </item>
        <item row="15" column="0">
-        <widget class="QLabel" name="labelDebugLogfile">
+        <widget class="QLabel" name="labelNumberOfTransactions">
+         <property name="text">
+          <string>Current number of transactions</string>
+         </property>
+        </widget>
+       </item>
+       <item row="15" column="1">
+        <widget class="QLabel" name="mempoolNumberTxs">
+         <property name="cursor">
+          <cursorShape>IBeamCursor</cursorShape>
+         </property>
+         <property name="text">
+          <string>N/A</string>
+         </property>
+         <property name="textFormat">
+          <enum>Qt::PlainText</enum>
+         </property>
+         <property name="textInteractionFlags">
+          <set>Qt::LinksAccessibleByMouse|Qt::TextSelectableByKeyboard|Qt::TextSelectableByMouse</set>
+         </property>
+        </widget>
+       </item>
+       <item row="8" column="0">
+        <widget class="QLabel" name="labelNetwork">
          <property name="font">
           <font>
            <weight>75</weight>
@@ -350,24 +360,74 @@
           </font>
          </property>
          <property name="text">
-          <string>Debug log file</string>
+          <string>Network</string>
          </property>
         </widget>
        </item>
        <item row="16" column="0">
-        <widget class="QPushButton" name="openDebugLogfileButton">
-         <property name="toolTip">
-          <string>Open the Bitcoin Core debug log file from the current data directory. This can take a few seconds for large log files.</string>
+        <widget class="QLabel" name="labelMemoryUsage">
+         <property name="text">
+          <string>Memory usage</string>
+         </property>
+        </widget>
+       </item>
+       <item row="16" column="1">
+        <widget class="QLabel" name="mempoolSize">
+         <property name="cursor">
+          <cursorShape>IBeamCursor</cursorShape>
          </property>
          <property name="text">
-          <string>&amp;Open</string>
+          <string>N/A</string>
          </property>
-         <property name="autoDefault">
-          <bool>false</bool>
+         <property name="textFormat">
+          <enum>Qt::PlainText</enum>
+         </property>
+         <property name="textInteractionFlags">
+          <set>Qt::LinksAccessibleByMouse|Qt::TextSelectableByKeyboard|Qt::TextSelectableByMouse</set>
          </property>
         </widget>
        </item>
-       <item row="17" column="0">
+       <item row="14" column="2" rowspan="3">
+        <layout class="QVBoxLayout" name="verticalLayoutDebugButton">
+         <property name="spacing">
+          <number>3</number>
+         </property>
+         <item>
+          <spacer name="verticalSpacer_2">
+           <property name="orientation">
+            <enum>Qt::Vertical</enum>
+           </property>
+           <property name="sizeHint" stdset="0">
+            <size>
+             <width>10</width>
+             <height>5</height>
+            </size>
+           </property>
+          </spacer>
+         </item>
+         <item>
+          <widget class="QLabel" name="labelDebugLogfile">
+           <property name="text">
+            <string>Debug log file</string>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <widget class="QPushButton" name="openDebugLogfileButton">
+           <property name="toolTip">
+            <string>Open the Bitcoin Core debug log file from the current data directory. This can take a few seconds for large log files.</string>
+           </property>
+           <property name="text">
+            <string>&amp;Open</string>
+           </property>
+           <property name="autoDefault">
+            <bool>false</bool>
+           </property>
+          </widget>
+         </item>
+        </layout>
+       </item>
+       <item row="18" column="0">
         <spacer name="verticalSpacer">
          <property name="orientation">
           <enum>Qt::Vertical</enum>

src/qt/rpcconsole.cpp

@@ -343,6 +343,8 @@ void RPCConsole::setClientModel(ClientModel *model)
         updateTrafficStats(model->getTotalBytesRecv(), model->getTotalBytesSent());
         connect(model, SIGNAL(bytesChanged(quint64,quint64)), this, SLOT(updateTrafficStats(quint64, quint64)));
 
+        connect(model, SIGNAL(mempoolSizeChanged(long,size_t)), this, SLOT(setMempoolSize(long,size_t)));
+
         // set up peer table
         ui->peerWidget->setModel(model->getPeerTableModel());
         ui->peerWidget->verticalHeader()->hide();
@@ -523,6 +525,16 @@ void RPCConsole::setNumBlocks(int count, const QDateTime& blockDate)
     ui->lastBlockTime->setText(blockDate.toString());
 }
 
+void RPCConsole::setMempoolSize(long numberOfTxs, size_t dynUsage)
+{
+    ui->mempoolNumberTxs->setText(QString::number(numberOfTxs));
+
+    if (dynUsage < 1000000)
+        ui->mempoolSize->setText(QString::number(dynUsage/1000.0, 'f', 2) + " KB");
+    else
+        ui->mempoolSize->setText(QString::number(dynUsage/1000000.0, 'f', 2) + " MB");
+}
+
 void RPCConsole::on_lineEdit_returnPressed()
 {
     QString cmd = ui->lineEdit->text();

src/qt/rpcconsole.h

@@ -77,6 +77,8 @@ public Q_SLOTS:
     void setNumConnections(int count);
     /** Set number of blocks and last block date shown in the UI */
     void setNumBlocks(int count, const QDateTime& blockDate);
+    /** Set size (number of transactions and memory usage) of the mempool in the UI */
+    void setMempoolSize(long numberOfTxs, size_t dynUsage);
     /** Go forward or back in history */
     void browseHistory(int offset);
     /** Scroll console view to end */