src/bitmessageqt/__init__.py

@@ -14,6 +14,7 @@ except ImportError:
 from addresses import *
 import shared
 from bitmessageui import *
+from namecoin import namecoinConnection, ensureNamecoinOptions
 from newaddressdialog import *
 from newsubscriptiondialog import *
 from regenerateaddresses import *
@@ -141,6 +142,8 @@ class MyForm(QtGui.QMainWindow):
             "clicked()"), self.click_pushButtonSend)
         QtCore.QObject.connect(self.ui.pushButtonLoadFromAddressBook, QtCore.SIGNAL(
             "clicked()"), self.click_pushButtonLoadFromAddressBook)
+        QtCore.QObject.connect(self.ui.pushButtonFetchNamecoinID, QtCore.SIGNAL(
+            "clicked()"), self.click_pushButtonFetchNamecoinID)
         QtCore.QObject.connect(self.ui.radioButtonBlacklist, QtCore.SIGNAL(
             "clicked()"), self.click_radioButtonBlacklist)
         QtCore.QObject.connect(self.ui.radioButtonWhitelist, QtCore.SIGNAL(
@@ -429,11 +432,22 @@ class MyForm(QtGui.QMainWindow):
             "removeInboxRowByMsgid(PyQt_PyObject)"), self.removeInboxRowByMsgid)
         self.UISignalThread.start()
 
-# Below this point, it would be good if all of the necessary global data
-# structures were initialized.
+        # Below this point, it would be good if all of the necessary global data
+        # structures were initialized.
 
         self.rerenderComboBoxSendFrom()
         
+        # Check to see whether we can connect to namecoin. Hide the 'Fetch Namecoin ID' button if we can't.
+        options = {}
+        options["type"] = shared.config.get('bitmessagesettings', 'namecoinrpctype')
+        options["host"] = shared.config.get('bitmessagesettings', 'namecoinrpchost')
+        options["port"] = shared.config.get('bitmessagesettings', 'namecoinrpcport')
+        options["user"] = shared.config.get('bitmessagesettings', 'namecoinrpcuser')
+        options["password"] = shared.config.get('bitmessagesettings', 'namecoinrpcpassword')
+        nc = namecoinConnection(options)
+        if nc.test()[0] == 'failed':
+            self.ui.pushButtonFetchNamecoinID.hide()
+
 
     # Show or hide the application window after clicking an item within the
     # tray icon or, on Windows, the try icon itself.
@@ -1699,6 +1713,17 @@ class MyForm(QtGui.QMainWindow):
             self.statusBar().showMessage(_translate(
                 "MainWindow", "Right click one or more entries in your address book and select \'Send message to this address\'."))
 
+    def click_pushButtonFetchNamecoinID(self):
+        nc = namecoinConnection()
+        err, addr = nc.query(str(self.ui.lineEditTo.text()))
+        if err is not None:
+            self.statusBar().showMessage(_translate(
+                "MainWindow", "Error: " + err))
+        else:
+            self.ui.lineEditTo.setText(addr)
+            self.statusBar().showMessage(_translate(
+                "MainWindow", "Fetched address from namecoin identity."))
+
     def redrawLabelFrom(self, index):
         self.ui.labelFrom.setText(
             self.ui.comboBoxSendFrom.itemData(index).toPyObject())
@@ -2028,6 +2053,18 @@ class MyForm(QtGui.QMainWindow):
                 self.settingsDialogInstance.ui.lineEditSocksPassword.text()))
             shared.config.set('bitmessagesettings', 'sockslisten', str(
                 self.settingsDialogInstance.ui.checkBoxSocksListen.isChecked()))
+
+            shared.config.set('bitmessagesettings', 'namecoinrpctype',
+                self.settingsDialogInstance.getNamecoinType())
+            shared.config.set('bitmessagesettings', 'namecoinrpchost', str(
+                self.settingsDialogInstance.ui.lineEditNamecoinHost.text()))
+            shared.config.set('bitmessagesettings', 'namecoinrpcport', str(
+                self.settingsDialogInstance.ui.lineEditNamecoinPort.text()))
+            shared.config.set('bitmessagesettings', 'namecoinrpcuser', str(
+                self.settingsDialogInstance.ui.lineEditNamecoinUser.text()))
+            shared.config.set('bitmessagesettings', 'namecoinrpcpassword', str(
+                self.settingsDialogInstance.ui.lineEditNamecoinPassword.text()))
+
             if float(self.settingsDialogInstance.ui.lineEditTotalDifficulty.text()) >= 1:
                 shared.config.set('bitmessagesettings', 'defaultnoncetrialsperbyte', str(int(float(
                     self.settingsDialogInstance.ui.lineEditTotalDifficulty.text()) * shared.networkDefaultProofOfWorkNonceTrialsPerByte)))
@@ -3057,6 +3094,37 @@ class settingsDialog(QtGui.QDialog):
         self.ui.lineEditMaxAcceptableSmallMessageDifficulty.setText(str((float(shared.config.getint(
             'bitmessagesettings', 'maxacceptablepayloadlengthextrabytes')) / shared.networkDefaultPayloadLengthExtraBytes)))
 
+        # Namecoin integration tab
+
+        ensureNamecoinOptions()
+        nmctype = shared.config.get('bitmessagesettings', 'namecoinrpctype')
+        self.ui.lineEditNamecoinHost.setText(str(
+            shared.config.get('bitmessagesettings', 'namecoinrpchost')))
+        self.ui.lineEditNamecoinPort.setText(str(
+            shared.config.get('bitmessagesettings', 'namecoinrpcport')))
+        self.ui.lineEditNamecoinUser.setText(str(
+            shared.config.get('bitmessagesettings', 'namecoinrpcuser')))
+        self.ui.lineEditNamecoinPassword.setText(str(
+            shared.config.get('bitmessagesettings', 'namecoinrpcpassword')))
+
+        if nmctype == "namecoind":
+            self.ui.radioButtonNamecoinNamecoind.setChecked(True)
+        elif nmctype == "nmcontrol":
+            self.ui.radioButtonNamecoinNmcontrol.setChecked(True)
+            self.ui.lineEditNamecoinUser.setEnabled(False)
+            self.ui.labelNamecoinUser.setEnabled(False)
+            self.ui.lineEditNamecoinPassword.setEnabled(False)
+            self.ui.labelNamecoinPassword.setEnabled(False)
+        else:
+            assert False
+
+        QtCore.QObject.connect(self.ui.radioButtonNamecoinNamecoind, QtCore.SIGNAL(
+            "toggled(bool)"), self.namecoinTypeChanged)
+        QtCore.QObject.connect(self.ui.radioButtonNamecoinNmcontrol, QtCore.SIGNAL(
+            "toggled(bool)"), self.namecoinTypeChanged)
+        QtCore.QObject.connect(self.ui.pushButtonNamecoinTest, QtCore.SIGNAL(
+            "clicked()"), self.click_pushButtonNamecoinTest)
+
         #'System' tab removed for now.
         """try:
             maxCores = shared.config.getint('bitmessagesettings', 'maxcores')
@@ -3096,6 +3164,47 @@ class settingsDialog(QtGui.QDialog):
                 self.ui.lineEditSocksPassword.setEnabled(True)
             self.ui.lineEditTCPPort.setEnabled(False)
 
+    # Check status of namecoin integration radio buttons and translate
+    # it to a string as in the options.
+    def getNamecoinType(self):
+        if self.ui.radioButtonNamecoinNamecoind.isChecked():
+            return "namecoind"
+        if self.ui.radioButtonNamecoinNmcontrol.isChecked():
+            return "nmcontrol"
+        assert False
+
+    # Namecoin connection type was changed.
+    def namecoinTypeChanged(self, checked):
+        nmctype = self.getNamecoinType()
+        assert nmctype == "namecoind" or nmctype == "nmcontrol"
+            
+        isNamecoind = (nmctype == "namecoind")
+        self.ui.lineEditNamecoinUser.setEnabled(isNamecoind)
+        self.ui.labelNamecoinUser.setEnabled(isNamecoind)
+        self.ui.lineEditNamecoinPassword.setEnabled(isNamecoind)
+        self.ui.labelNamecoinPassword.setEnabled(isNamecoind)
+
+        if isNamecoind:
+            self.ui.lineEditNamecoinPort.setText(shared.namecoinDefaultRpcPort)
+        else:
+            self.ui.lineEditNamecoinPort.setText("9000")
+
+    # Test the namecoin settings specified in the settings dialog.
+    def click_pushButtonNamecoinTest(self):
+        self.ui.labelNamecoinTestResult.setText(_translate(
+                "MainWindow", "Testing..."))
+        options = {}
+        options["type"] = self.getNamecoinType()
+        options["host"] = self.ui.lineEditNamecoinHost.text()
+        options["port"] = self.ui.lineEditNamecoinPort.text()
+        options["user"] = self.ui.lineEditNamecoinUser.text()
+        options["password"] = self.ui.lineEditNamecoinPassword.text()
+        nc = namecoinConnection(options)
+        responseStatus = nc.test()[1]
+        self.ui.labelNamecoinTestResult.setText(responseStatus)
+        if nc.test()[0]== 'success':
+            self.parent.ui.pushButtonFetchNamecoinID.show()
+
 
 class SpecialAddressBehaviorDialog(QtGui.QDialog):
 

src/bitmessageqt/bitmessageui.py

@@ -2,8 +2,8 @@
 
 # Form implementation generated from reading ui file 'bitmessageui.ui'
 #
-# Created: Fri Aug  9 14:17:50 2013
-#      by: PyQt4 UI code generator 4.10
+# Created: Mon Aug 12 00:08:20 2013
+#      by: PyQt4 UI code generator 4.10.2
 #
 # WARNING! All changes made in this file will be lost!
 
@@ -110,7 +110,13 @@ class Ui_MainWindow(object):
         font.setPointSize(7)
         self.pushButtonLoadFromAddressBook.setFont(font)
         self.pushButtonLoadFromAddressBook.setObjectName(_fromUtf8("pushButtonLoadFromAddressBook"))
-        self.gridLayout_2.addWidget(self.pushButtonLoadFromAddressBook, 3, 2, 1, 2)
+        self.gridLayout_2.addWidget(self.pushButtonLoadFromAddressBook, 3, 2, 1, 1)
+        self.pushButtonFetchNamecoinID = QtGui.QPushButton(self.send)
+        font = QtGui.QFont()
+        font.setPointSize(7)
+        self.pushButtonFetchNamecoinID.setFont(font)
+        self.pushButtonFetchNamecoinID.setObjectName(_fromUtf8("pushButtonFetchNamecoinID"))
+        self.gridLayout_2.addWidget(self.pushButtonFetchNamecoinID, 3, 3, 1, 1)
         self.label_4 = QtGui.QLabel(self.send)
         self.label_4.setObjectName(_fromUtf8("label_4"))
         self.gridLayout_2.addWidget(self.label_4, 5, 0, 1, 1)
@@ -422,7 +428,7 @@ class Ui_MainWindow(object):
         self.gridLayout.addWidget(self.tabWidget, 0, 0, 1, 1)
         MainWindow.setCentralWidget(self.centralwidget)
         self.menubar = QtGui.QMenuBar(MainWindow)
-        self.menubar.setGeometry(QtCore.QRect(0, 0, 795, 27))
+        self.menubar.setGeometry(QtCore.QRect(0, 0, 795, 18))
         self.menubar.setObjectName(_fromUtf8("menubar"))
         self.menuFile = QtGui.QMenu(self.menubar)
         self.menuFile.setObjectName(_fromUtf8("menuFile"))
@@ -533,14 +539,15 @@ class Ui_MainWindow(object):
         item.setText(_translate("MainWindow", "Received", None))
         self.tabWidget.setTabText(self.tabWidget.indexOf(self.inbox), _translate("MainWindow", "Inbox", None))
         self.pushButtonLoadFromAddressBook.setText(_translate("MainWindow", "Load from Address book", None))
+        self.pushButtonFetchNamecoinID.setText(_translate("MainWindow", "Fetch Namecoin ID", None))
         self.label_4.setText(_translate("MainWindow", "Message:", None))
         self.label_3.setText(_translate("MainWindow", "Subject:", None))
         self.radioButtonSpecific.setText(_translate("MainWindow", "Send to one or more specific people", None))
         self.textEditMessage.setHtml(_translate("MainWindow", "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0//EN\" \"http://www.w3.org/TR/REC-html40/strict.dtd\">\n"
 "<html><head><meta name=\"qrichtext\" content=\"1\" /><style type=\"text/css\">\n"
 "p, li { white-space: pre-wrap; }\n"
-"</style></head><body style=\" font-family:\'Droid Sans\'; font-size:9pt; font-weight:400; font-style:normal;\">\n"
-"<p style=\"-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; font-family:\'MS Shell Dlg 2\';\"><br /></p></body></html>", None))
+"</style></head><body style=\" font-family:\'MS Shell Dlg 2\'; font-size:9pt; font-weight:400; font-style:normal;\">\n"
+"<p style=\"-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\"><br /></p></body></html>", None))
         self.label.setText(_translate("MainWindow", "To:", None))
         self.label_2.setText(_translate("MainWindow", "From:", None))
         self.radioButtonBroadcast.setText(_translate("MainWindow", "Broadcast to everyone who is subscribed to your address", None))

src/bitmessageqt/bitmessageui.ui

@@ -195,7 +195,7 @@
         <string>Send</string>
        </attribute>
        <layout class="QGridLayout" name="gridLayout_2">
-        <item row="3" column="2" colspan="2">
+        <item row="3" column="2">
          <widget class="QPushButton" name="pushButtonLoadFromAddressBook">
           <property name="font">
            <font>
@@ -207,6 +207,18 @@
           </property>
          </widget>
         </item>
+        <item row="3" column="3">
+         <widget class="QPushButton" name="pushButtonFetchNamecoinID">
+          <property name="font">
+           <font>
+            <pointsize>7</pointsize>
+           </font>
+          </property>
+          <property name="text">
+           <string>Fetch Namecoin ID</string>
+          </property>
+         </widget>
+        </item>
         <item row="5" column="0">
          <widget class="QLabel" name="label_4">
           <property name="text">
@@ -257,8 +269,8 @@
            <string>&lt;!DOCTYPE HTML PUBLIC &quot;-//W3C//DTD HTML 4.0//EN&quot; &quot;http://www.w3.org/TR/REC-html40/strict.dtd&quot;&gt;
 &lt;html&gt;&lt;head&gt;&lt;meta name=&quot;qrichtext&quot; content=&quot;1&quot; /&gt;&lt;style type=&quot;text/css&quot;&gt;
 p, li { white-space: pre-wrap; }
-&lt;/style&gt;&lt;/head&gt;&lt;body style=&quot; font-family:'Droid Sans'; font-size:9pt; font-weight:400; font-style:normal;&quot;&gt;
-&lt;p style=&quot;-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; font-family:'MS Shell Dlg 2';&quot;&gt;&lt;br /&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+&lt;/style&gt;&lt;/head&gt;&lt;body style=&quot; font-family:'MS Shell Dlg 2'; font-size:9pt; font-weight:400; font-style:normal;&quot;&gt;
+&lt;p style=&quot;-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;br /&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
           </property>
          </widget>
         </item>
@@ -1011,7 +1023,7 @@ p, li { white-space: pre-wrap; }
      <x>0</x>
      <y>0</y>
      <width>795</width>
-     <height>27</height>
+     <height>18</height>
     </rect>
    </property>
    <widget class="QMenu" name="menuFile">

src/bitmessageqt/settings.py

@@ -2,7 +2,7 @@
 
 # Form implementation generated from reading ui file 'settings.ui'
 #
-# Created: Wed Aug  7 16:58:45 2013
+# Created: Wed Aug 14 18:31:34 2013
 #      by: PyQt4 UI code generator 4.10
 #
 # WARNING! All changes made in this file will be lost!
@@ -26,7 +26,7 @@ except AttributeError:
 class Ui_settingsDialog(object):
     def setupUi(self, settingsDialog):
         settingsDialog.setObjectName(_fromUtf8("settingsDialog"))
-        settingsDialog.resize(462, 343)
+        settingsDialog.resize(567, 343)
         self.gridLayout = QtGui.QGridLayout(settingsDialog)
         self.gridLayout.setObjectName(_fromUtf8("gridLayout"))
         self.buttonBox = QtGui.QDialogButtonBox(settingsDialog)
@@ -230,6 +230,75 @@ class Ui_settingsDialog(object):
         spacerItem7 = QtGui.QSpacerItem(20, 147, QtGui.QSizePolicy.Minimum, QtGui.QSizePolicy.Expanding)
         self.gridLayout_7.addItem(spacerItem7, 3, 1, 1, 1)
         self.tabWidgetSettings.addTab(self.tab_2, _fromUtf8(""))
+        self.tabNamecoin = QtGui.QWidget()
+        self.tabNamecoin.setObjectName(_fromUtf8("tabNamecoin"))
+        self.gridLayout_8 = QtGui.QGridLayout(self.tabNamecoin)
+        self.gridLayout_8.setObjectName(_fromUtf8("gridLayout_8"))
+        spacerItem8 = QtGui.QSpacerItem(40, 20, QtGui.QSizePolicy.Expanding, QtGui.QSizePolicy.Minimum)
+        self.gridLayout_8.addItem(spacerItem8, 2, 0, 1, 1)
+        self.label_16 = QtGui.QLabel(self.tabNamecoin)
+        self.label_16.setWordWrap(True)
+        self.label_16.setObjectName(_fromUtf8("label_16"))
+        self.gridLayout_8.addWidget(self.label_16, 0, 0, 1, 3)
+        self.label_17 = QtGui.QLabel(self.tabNamecoin)
+        self.label_17.setAlignment(QtCore.Qt.AlignRight|QtCore.Qt.AlignTrailing|QtCore.Qt.AlignVCenter)
+        self.label_17.setObjectName(_fromUtf8("label_17"))
+        self.gridLayout_8.addWidget(self.label_17, 2, 1, 1, 1)
+        self.lineEditNamecoinHost = QtGui.QLineEdit(self.tabNamecoin)
+        self.lineEditNamecoinHost.setObjectName(_fromUtf8("lineEditNamecoinHost"))
+        self.gridLayout_8.addWidget(self.lineEditNamecoinHost, 2, 2, 1, 1)
+        spacerItem9 = QtGui.QSpacerItem(40, 20, QtGui.QSizePolicy.Expanding, QtGui.QSizePolicy.Minimum)
+        self.gridLayout_8.addItem(spacerItem9, 3, 0, 1, 1)
+        spacerItem10 = QtGui.QSpacerItem(40, 20, QtGui.QSizePolicy.Expanding, QtGui.QSizePolicy.Minimum)
+        self.gridLayout_8.addItem(spacerItem10, 4, 0, 1, 1)
+        self.label_18 = QtGui.QLabel(self.tabNamecoin)
+        self.label_18.setEnabled(True)
+        self.label_18.setAlignment(QtCore.Qt.AlignRight|QtCore.Qt.AlignTrailing|QtCore.Qt.AlignVCenter)
+        self.label_18.setObjectName(_fromUtf8("label_18"))
+        self.gridLayout_8.addWidget(self.label_18, 3, 1, 1, 1)
+        self.lineEditNamecoinPort = QtGui.QLineEdit(self.tabNamecoin)
+        self.lineEditNamecoinPort.setObjectName(_fromUtf8("lineEditNamecoinPort"))
+        self.gridLayout_8.addWidget(self.lineEditNamecoinPort, 3, 2, 1, 1)
+        spacerItem11 = QtGui.QSpacerItem(20, 40, QtGui.QSizePolicy.Minimum, QtGui.QSizePolicy.Expanding)
+        self.gridLayout_8.addItem(spacerItem11, 8, 1, 1, 1)
+        self.labelNamecoinUser = QtGui.QLabel(self.tabNamecoin)
+        self.labelNamecoinUser.setAlignment(QtCore.Qt.AlignRight|QtCore.Qt.AlignTrailing|QtCore.Qt.AlignVCenter)
+        self.labelNamecoinUser.setObjectName(_fromUtf8("labelNamecoinUser"))
+        self.gridLayout_8.addWidget(self.labelNamecoinUser, 4, 1, 1, 1)
+        self.lineEditNamecoinUser = QtGui.QLineEdit(self.tabNamecoin)
+        self.lineEditNamecoinUser.setObjectName(_fromUtf8("lineEditNamecoinUser"))
+        self.gridLayout_8.addWidget(self.lineEditNamecoinUser, 4, 2, 1, 1)
+        spacerItem12 = QtGui.QSpacerItem(40, 20, QtGui.QSizePolicy.Expanding, QtGui.QSizePolicy.Minimum)
+        self.gridLayout_8.addItem(spacerItem12, 5, 0, 1, 1)
+        self.labelNamecoinPassword = QtGui.QLabel(self.tabNamecoin)
+        self.labelNamecoinPassword.setAlignment(QtCore.Qt.AlignRight|QtCore.Qt.AlignTrailing|QtCore.Qt.AlignVCenter)
+        self.labelNamecoinPassword.setObjectName(_fromUtf8("labelNamecoinPassword"))
+        self.gridLayout_8.addWidget(self.labelNamecoinPassword, 5, 1, 1, 1)
+        self.lineEditNamecoinPassword = QtGui.QLineEdit(self.tabNamecoin)
+        self.lineEditNamecoinPassword.setInputMethodHints(QtCore.Qt.ImhHiddenText|QtCore.Qt.ImhNoAutoUppercase|QtCore.Qt.ImhNoPredictiveText)
+        self.lineEditNamecoinPassword.setEchoMode(QtGui.QLineEdit.Password)
+        self.lineEditNamecoinPassword.setObjectName(_fromUtf8("lineEditNamecoinPassword"))
+        self.gridLayout_8.addWidget(self.lineEditNamecoinPassword, 5, 2, 1, 1)
+        self.labelNamecoinTestResult = QtGui.QLabel(self.tabNamecoin)
+        self.labelNamecoinTestResult.setText(_fromUtf8(""))
+        self.labelNamecoinTestResult.setObjectName(_fromUtf8("labelNamecoinTestResult"))
+        self.gridLayout_8.addWidget(self.labelNamecoinTestResult, 7, 0, 1, 2)
+        self.pushButtonNamecoinTest = QtGui.QPushButton(self.tabNamecoin)
+        self.pushButtonNamecoinTest.setObjectName(_fromUtf8("pushButtonNamecoinTest"))
+        self.gridLayout_8.addWidget(self.pushButtonNamecoinTest, 7, 2, 1, 1)
+        self.horizontalLayout = QtGui.QHBoxLayout()
+        self.horizontalLayout.setObjectName(_fromUtf8("horizontalLayout"))
+        self.label_21 = QtGui.QLabel(self.tabNamecoin)
+        self.label_21.setObjectName(_fromUtf8("label_21"))
+        self.horizontalLayout.addWidget(self.label_21)
+        self.radioButtonNamecoinNamecoind = QtGui.QRadioButton(self.tabNamecoin)
+        self.radioButtonNamecoinNamecoind.setObjectName(_fromUtf8("radioButtonNamecoinNamecoind"))
+        self.horizontalLayout.addWidget(self.radioButtonNamecoinNamecoind)
+        self.radioButtonNamecoinNmcontrol = QtGui.QRadioButton(self.tabNamecoin)
+        self.radioButtonNamecoinNmcontrol.setObjectName(_fromUtf8("radioButtonNamecoinNmcontrol"))
+        self.horizontalLayout.addWidget(self.radioButtonNamecoinNmcontrol)
+        self.gridLayout_8.addLayout(self.horizontalLayout, 1, 0, 1, 3)
+        self.tabWidgetSettings.addTab(self.tabNamecoin, _fromUtf8(""))
         self.gridLayout.addWidget(self.tabWidgetSettings, 0, 0, 1, 1)
 
         self.retranslateUi(settingsDialog)
@@ -287,4 +356,14 @@ class Ui_settingsDialog(object):
         self.label_13.setText(_translate("settingsDialog", "Maximum acceptable total difficulty:", None))
         self.label_14.setText(_translate("settingsDialog", "Maximum acceptable small message difficulty:", None))
         self.tabWidgetSettings.setTabText(self.tabWidgetSettings.indexOf(self.tab_2), _translate("settingsDialog", "Max acceptable difficulty", None))
+        self.label_16.setText(_translate("settingsDialog", "<html><head/><body><p>Bitmessage can utilize a different Bitcoin-based program called Namecoin to make addresses human-friendly. For example, instead of having to tell your friend your long Bitmessage address, you can simply tell him to send a message to <span style=\" font-style:italic;\">test. </span></p><p>(Getting your own Bitmessage address into Namecoin is still rather difficult).</p><p>Bitmessage can use either namecoind directly or a running nmcontrol instance.</p></body></html>", None))
+        self.label_17.setText(_translate("settingsDialog", "Host:", None))
+        self.label_18.setText(_translate("settingsDialog", "Port:", None))
+        self.labelNamecoinUser.setText(_translate("settingsDialog", "Username:", None))
+        self.labelNamecoinPassword.setText(_translate("settingsDialog", "Password:", None))
+        self.pushButtonNamecoinTest.setText(_translate("settingsDialog", "Test", None))
+        self.label_21.setText(_translate("settingsDialog", "Connect to:", None))
+        self.radioButtonNamecoinNamecoind.setText(_translate("settingsDialog", "Namecoind", None))
+        self.radioButtonNamecoinNmcontrol.setText(_translate("settingsDialog", "NMControl", None))
+        self.tabWidgetSettings.setTabText(self.tabWidgetSettings.indexOf(self.tabNamecoin), _translate("settingsDialog", "Namecoin integration", None))
 

src/bitmessageqt/settings.ui

@@ -6,7 +6,7 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>462</width>
+    <width>567</width>
     <height>343</height>
    </rect>
   </property>
@@ -505,6 +505,189 @@
        </item>
       </layout>
      </widget>
+     <widget class="QWidget" name="tabNamecoin">
+      <attribute name="title">
+       <string>Namecoin integration</string>
+      </attribute>
+      <layout class="QGridLayout" name="gridLayout_8">
+       <item row="2" column="0">
+        <spacer name="horizontalSpacer_6">
+         <property name="orientation">
+          <enum>Qt::Horizontal</enum>
+         </property>
+         <property name="sizeHint" stdset="0">
+          <size>
+           <width>40</width>
+           <height>20</height>
+          </size>
+         </property>
+        </spacer>
+       </item>
+       <item row="0" column="0" colspan="3">
+        <widget class="QLabel" name="label_16">
+         <property name="text">
+          <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Bitmessage can utilize a different Bitcoin-based program called Namecoin to make addresses human-friendly. For example, instead of having to tell your friend your long Bitmessage address, you can simply tell him to send a message to &lt;span style=&quot; font-style:italic;&quot;&gt;test. &lt;/span&gt;&lt;/p&gt;&lt;p&gt;(Getting your own Bitmessage address into Namecoin is still rather difficult).&lt;/p&gt;&lt;p&gt;Bitmessage can use either namecoind directly or a running nmcontrol instance.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+         </property>
+         <property name="wordWrap">
+          <bool>true</bool>
+         </property>
+        </widget>
+       </item>
+       <item row="2" column="1">
+        <widget class="QLabel" name="label_17">
+         <property name="text">
+          <string>Host:</string>
+         </property>
+         <property name="alignment">
+          <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+         </property>
+        </widget>
+       </item>
+       <item row="2" column="2">
+        <widget class="QLineEdit" name="lineEditNamecoinHost"/>
+       </item>
+       <item row="3" column="0">
+        <spacer name="horizontalSpacer_7">
+         <property name="orientation">
+          <enum>Qt::Horizontal</enum>
+         </property>
+         <property name="sizeHint" stdset="0">
+          <size>
+           <width>40</width>
+           <height>20</height>
+          </size>
+         </property>
+        </spacer>
+       </item>
+       <item row="4" column="0">
+        <spacer name="horizontalSpacer_8">
+         <property name="orientation">
+          <enum>Qt::Horizontal</enum>
+         </property>
+         <property name="sizeHint" stdset="0">
+          <size>
+           <width>40</width>
+           <height>20</height>
+          </size>
+         </property>
+        </spacer>
+       </item>
+       <item row="3" column="1">
+        <widget class="QLabel" name="label_18">
+         <property name="enabled">
+          <bool>true</bool>
+         </property>
+         <property name="text">
+          <string>Port:</string>
+         </property>
+         <property name="alignment">
+          <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+         </property>
+        </widget>
+       </item>
+       <item row="3" column="2">
+        <widget class="QLineEdit" name="lineEditNamecoinPort"/>
+       </item>
+       <item row="8" column="1">
+        <spacer name="verticalSpacer_4">
+         <property name="orientation">
+          <enum>Qt::Vertical</enum>
+         </property>
+         <property name="sizeHint" stdset="0">
+          <size>
+           <width>20</width>
+           <height>40</height>
+          </size>
+         </property>
+        </spacer>
+       </item>
+       <item row="4" column="1">
+        <widget class="QLabel" name="labelNamecoinUser">
+         <property name="text">
+          <string>Username:</string>
+         </property>
+         <property name="alignment">
+          <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+         </property>
+        </widget>
+       </item>
+       <item row="4" column="2">
+        <widget class="QLineEdit" name="lineEditNamecoinUser"/>
+       </item>
+       <item row="5" column="0">
+        <spacer name="horizontalSpacer_9">
+         <property name="orientation">
+          <enum>Qt::Horizontal</enum>
+         </property>
+         <property name="sizeHint" stdset="0">
+          <size>
+           <width>40</width>
+           <height>20</height>
+          </size>
+         </property>
+        </spacer>
+       </item>
+       <item row="5" column="1">
+        <widget class="QLabel" name="labelNamecoinPassword">
+         <property name="text">
+          <string>Password:</string>
+         </property>
+         <property name="alignment">
+          <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+         </property>
+        </widget>
+       </item>
+       <item row="5" column="2">
+        <widget class="QLineEdit" name="lineEditNamecoinPassword">
+         <property name="inputMethodHints">
+          <set>Qt::ImhHiddenText|Qt::ImhNoAutoUppercase|Qt::ImhNoPredictiveText</set>
+         </property>
+         <property name="echoMode">
+          <enum>QLineEdit::Password</enum>
+         </property>
+        </widget>
+       </item>
+       <item row="7" column="0" colspan="2">
+        <widget class="QLabel" name="labelNamecoinTestResult">
+         <property name="text">
+          <string/>
+         </property>
+        </widget>
+       </item>
+       <item row="7" column="2">
+        <widget class="QPushButton" name="pushButtonNamecoinTest">
+         <property name="text">
+          <string>Test</string>
+         </property>
+        </widget>
+       </item>
+       <item row="1" column="0" colspan="3">
+        <layout class="QHBoxLayout" name="horizontalLayout">
+         <item>
+          <widget class="QLabel" name="label_21">
+           <property name="text">
+            <string>Connect to:</string>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <widget class="QRadioButton" name="radioButtonNamecoinNamecoind">
+           <property name="text">
+            <string>Namecoind</string>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <widget class="QRadioButton" name="radioButtonNamecoinNmcontrol">
+           <property name="text">
+            <string>NMControl</string>
+           </property>
+          </widget>
+         </item>
+        </layout>
+       </item>
+      </layout>
+     </widget>
     </widget>
    </item>
   </layout>

src/helper_startup.py

@@ -3,6 +3,8 @@ import ConfigParser
 import sys
 import os
 
+from namecoin import ensureNamecoinOptions
+
 storeConfigFilesInSameDirectoryAsProgramByDefault = False  # The user may de-select Portable Mode in the settings if they want the config files to stay in the application data folder.
 
 def loadConfig():
@@ -67,6 +69,7 @@ def loadConfig():
             shared.config.set(
                 'bitmessagesettings', 'maxacceptablepayloadlengthextrabytes', '0')
             shared.config.set('bitmessagesettings', 'dontconnect', 'true')
+            ensureNamecoinOptions()
 
             if storeConfigFilesInSameDirectoryAsProgramByDefault:
                 # Just use the same directory as the program and forget about

src/namecoin.py

@@ -0,0 +1,284 @@
+# Copyright (C) 2013 by Daniel Kraft <d@domob.eu>
+# This file is part of the Bitmessage project.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+import base64
+import json
+import socket
+import sys
+
+import shared
+import tr # translate
+
+configSection = "bitmessagesettings"
+
+# Error thrown when the RPC call returns an error.
+class RPCError (Exception):
+    error = None
+
+    def __init__ (self, data):
+        self.error = data
+
+# This class handles the Namecoin identity integration.
+class namecoinConnection (object):
+    user = None
+    password = None
+    host = None
+    port = None
+    nmctype = None
+    bufsize = 4096
+    queryid = 1
+
+    # Initialise.  If options are given, take the connection settings from
+    # them instead of loading from the configs.  This can be used to test
+    # currently entered connection settings in the config dialog without
+    # actually changing the values (yet).
+    def __init__ (self, options = None):
+        if options is None:
+          ensureNamecoinOptions ()
+          self.nmctype = shared.config.get (configSection, "namecoinrpctype")
+          self.host = shared.config.get (configSection, "namecoinrpchost")
+          self.port = shared.config.get (configSection, "namecoinrpcport")
+          self.user = shared.config.get (configSection, "namecoinrpcuser")
+          self.password = shared.config.get (configSection,
+                                             "namecoinrpcpassword")
+        else:
+          self.nmctype = options["type"]
+          self.host = options["host"]
+          self.port = options["port"]
+          self.user = options["user"]
+          self.password = options["password"]
+
+        assert self.nmctype == "namecoind" or self.nmctype == "nmcontrol"
+
+    # Query for the bitmessage address corresponding to the given identity
+    # string.  If it doesn't contain a slash, id/ is prepended.  We return
+    # the result as (Error, Address) pair, where the Error is an error
+    # message to display or None in case of success.
+    def query (self, string):
+        slashPos = string.find ("/")
+        if slashPos < 0:
+            string = "id/" + string
+
+        try:
+            if self.nmctype == "namecoind":
+                res = self.callRPC ("name_show", [string])
+                res = res["value"]
+            elif self.nmctype == "nmcontrol":
+                res = self.callRPC ("data", ["getValue", string])
+                res = res["reply"]
+                if res == False:
+                    raise RPCError ({"code": -4})
+            else:
+                assert False
+        except RPCError as exc:
+            if exc.error["code"] == -4:
+                return (tr.translateText("MainWindow",'The name %1 was not found.').arg(unicode(string)), None)
+            else:
+                return (tr.translateText("MainWindow",'The namecoin query failed (%1)').arg(unicode(exc.error["message"])), None)
+        except Exception as exc:
+            print "Namecoin query exception: %s" % str (exc)
+            return (tr.translateText("MainWindow",'The namecoin query failed.'), None)
+
+        try:
+            val = json.loads (res)
+        except:
+            return (tr.translateText("MainWindow",'The name %1 has no valid JSON data.').arg(unicode(string)), None)            
+
+        if "bitmessage" in val:
+            return (None, val["bitmessage"])
+        return (tr.translateText("MainWindow",'The name %1 has no associated Bitmessage address.').arg(unicode(string)), None) 
+
+    # Test the connection settings.  This routine tries to query a "getinfo"
+    # command, and builds either an error message or a success message with
+    # some info from it.
+    def test (self):
+        try:
+            if self.nmctype == "namecoind":
+                res = self.callRPC ("getinfo", [])
+                vers = res["version"]
+                
+                v3 = vers % 100
+                vers = vers / 100
+                v2 = vers % 100
+                vers = vers / 100
+                v1 = vers
+                if v3 == 0:
+                  versStr = "0.%d.%d" % (v1, v2)
+                else:
+                  versStr = "0.%d.%d.%d" % (v1, v2, v3)
+                return ('success',  tr.translateText("MainWindow",'Success!  Namecoind version %1 running.').arg(unicode(versStr)) )
+
+            elif self.nmctype == "nmcontrol":
+                res = self.callRPC ("data", ["status"])
+                prefix = "Plugin data running"
+                if ("reply" in res) and res["reply"][:len(prefix)] == prefix:
+                    return ('success', tr.translateText("MainWindow",'Success!  NMControll is up and running.'))
+
+                print "Unexpected nmcontrol reply: %s" % res
+                return ('failed',  tr.translateText("MainWindow",'Couldn\'t understand NMControl.'))
+
+            else:
+                assert False
+
+        except Exception as exc:
+            print "Exception testing the namecoin connection:\n%s" % str (exc)
+            return ('failed', "The connection to namecoin failed.")
+
+    # Helper routine that actually performs an JSON RPC call.
+    def callRPC (self, method, params):
+        data = {"method": method, "params": params, "id": self.queryid}
+        if self.nmctype == "namecoind":
+          resp = self.queryHTTP (json.dumps (data))
+        elif self.nmctype == "nmcontrol":
+          resp = self.queryServer (json.dumps (data))
+        else:
+          assert False
+        val = json.loads (resp)
+
+        if val["id"] != self.queryid:
+            raise Exception ("ID mismatch in JSON RPC answer.")
+        self.queryid = self.queryid + 1
+
+        if val["error"] is not None:
+            raise RPCError (val["error"])
+
+        return val["result"]
+
+    # Query the server via HTTP.
+    def queryHTTP (self, data):
+        header = "POST / HTTP/1.1\n"
+        header += "User-Agent: bitmessage\n"
+        header += "Host: %s\n" % self.host
+        header += "Content-Type: application/json\n"
+        header += "Content-Length: %d\n" % len (data)
+        header += "Accept: application/json\n"
+        authstr = "%s:%s" % (self.user, self.password)
+        header += "Authorization: Basic %s\n" % base64.b64encode (authstr)
+
+        resp = self.queryServer ("%s\n%s" % (header, data))
+        lines = resp.split ("\r\n")
+        result = None
+        body = False
+        for line in lines:
+            if line == "" and not body:
+                body = True
+            elif body:
+                if result is not None:
+                    raise Exception ("Expected a single line in HTTP response.")
+                result = line
+
+        return result
+
+    # Helper routine sending data to the RPC server and returning the result.
+    def queryServer (self, data):
+        try:
+            s = socket.socket (socket.AF_INET, socket.SOCK_STREAM)
+            s.setsockopt (socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+            s.settimeout(3) 
+            s.connect ((self.host, int (self.port)))
+            s.sendall (data)
+            result = ""
+
+            while True:
+                tmp = s.recv (self.bufsize)
+                if not tmp:
+                  break
+                result += tmp
+
+            s.close ()
+
+            return result
+
+        except socket.error as exc:
+            raise Exception ("Socket error in RPC connection: %s" % str (exc))
+
+# Look up the namecoin data folder.
+# FIXME: Check whether this works on other platforms as well!
+def lookupNamecoinFolder ():
+    app = "namecoin"
+    from os import path, environ
+    if sys.platform == "darwin":
+        if "HOME" in environ:
+            dataFolder = path.join (os.environ["HOME"],
+                                    "Library/Application Support/", app) + '/'
+        else:
+            print ("Could not find home folder, please report this message"
+                    + " and your OS X version to the BitMessage Github.")
+            sys.exit()
+
+    elif "win32" in sys.platform or "win64" in sys.platform:
+        dataFolder = path.join(environ["APPDATA"], app) + "\\"
+    else:
+        dataFolder = path.join(environ["HOME"], ".%s" % app) + "/"
+
+    return dataFolder
+
+# Ensure all namecoin options are set, by setting those to default values
+# that aren't there.
+def ensureNamecoinOptions ():
+    if not shared.config.has_option (configSection, "namecoinrpctype"):
+        shared.config.set (configSection, "namecoinrpctype", "namecoind")
+    if not shared.config.has_option (configSection, "namecoinrpchost"):
+        shared.config.set (configSection, "namecoinrpchost", "localhost")
+
+    hasUser = shared.config.has_option (configSection, "namecoinrpcuser")
+    hasPass = shared.config.has_option (configSection, "namecoinrpcpassword")
+    hasPort = shared.config.has_option (configSection, "namecoinrpcport")
+
+    # Try to read user/password from .namecoin configuration file.
+    defaultUser = ""
+    defaultPass = ""
+    try:
+        nmcFolder = lookupNamecoinFolder ()
+        nmcConfig = nmcFolder + "namecoin.conf"
+        nmc = open (nmcConfig, "r")
+
+        while True:
+            line = nmc.readline ()
+            if line == "":
+                break
+            parts = line.split ("=")
+            if len (parts) == 2:
+                key = parts[0]
+                val = parts[1].rstrip ()
+
+                if key == "rpcuser" and not hasUser:
+                    defaultUser = val
+                if key == "rpcpassword" and not hasPass:
+                    defaultPass = val
+                if key == "rpcport":
+                    shared.namecoinDefaultRpcPort = val
+                
+        nmc.close ()
+
+    except Exception as exc:
+        print "Failure reading namecoin config file: %s" % str (exc)
+
+    # If still nothing found, set empty at least.
+    if (not hasUser):
+        shared.config.set (configSection, "namecoinrpcuser", defaultUser)
+    if (not hasPass):
+        shared.config.set (configSection, "namecoinrpcpassword", defaultPass)
+
+    # Set default port now, possibly to found value.
+    if (not hasPort):
+        shared.config.set (configSection, "namecoinrpcport",
+                           shared.namecoinDefaultRpcPort)

src/shared.py

@@ -69,6 +69,11 @@ ackdataForWhichImWatching = {}
 networkDefaultProofOfWorkNonceTrialsPerByte = 320 #The amount of work that should be performed (and demanded) per byte of the payload. Double this number to double the work.
 networkDefaultPayloadLengthExtraBytes = 14000 #To make sending short messages a little more difficult, this value is added to the payload length for use in calculating the proof of work target.
 
+# Remember here the RPC port read from namecoin.conf so we can restore to
+# it as default whenever the user changes the "method" selection for
+# namecoin integration to "namecoind".
+namecoinDefaultRpcPort = "8336"
+
 def isInSqlInventory(hash):
     t = (hash,)
     shared.sqlLock.acquire()