Namecoin: Add Manage Names tab

README.rst

@@ -3,7 +3,7 @@ Electrum-NMC - Lightweight Namecoin client
 
 ::
 
-  Licence: GNU GPLv3+ for Electrum-DOGE components; MIT Licence for all other components
+  Licence: GNU GPLv3+ for Electrum-DOGE components; CC BY 4.0 for Namecoin logo, MIT Licence for all other components
   Author: The Namecoin developers; based on Electrum by Thomas Voegtlin and Electrum-DOGE by The Electrum-DOGE contributors
   Language: Python (>= 3.6)
   Homepage: https://www.namecoin.org/ ; original Electrum Homepage at https://electrum.org/
@@ -68,7 +68,7 @@ Run install (this should install dependencies)::
 
 Render the SVG icons to PNGs (optional)::
 
-    for i in lock unlock confirmed status_lagging status_disconnected status_connected_proxy status_connected status_waiting preferences; do convert -background none icons/$i.svg icons/$i.png; done
+    for i in lock unlock confirmed status_lagging status_disconnected status_connected_proxy status_connected status_waiting preferences namecoin-logo; do convert -background none icons/$i.svg icons/$i.png; done
 
 Compile the icons file for Qt::
 

electrum_nmc/address_synchronizer.py

@@ -795,7 +795,7 @@ def get_addr_balance(self, address):
         return c, u, x
 
     @with_local_height_cached
-    def get_utxos(self, domain=None, excluded=None, mature=False, confirmed_only=False):
+    def get_utxos(self, domain=None, excluded=None, mature=False, confirmed_only=False, include_names=True):
         coins = []
         if domain is None:
             domain = self.get_addresses()
@@ -809,6 +809,12 @@ def get_utxos(self, domain=None, excluded=None, mature=False, confirmed_only=Fal
                     continue
                 if mature and x['coinbase'] and x['height'] + COINBASE_MATURITY > self.get_local_height():
                     continue
+                if not include_names:
+                    txid = x['prevout_hash']
+                    vout = x['prevout_n']
+                    name_op = self.transactions[txid].outputs()[vout].name_op
+                    if name_op is not None:
+                        continue
                 coins.append(x)
                 continue
         return coins

electrum_nmc/gui/qt/main_window.py

@@ -149,9 +149,11 @@ def __init__(self, gui_object, wallet):
         self.utxo_tab = self.create_utxo_tab()
         self.console_tab = self.create_console_tab()
         self.contacts_tab = self.create_contacts_tab()
+        self.names_tab = self.create_names_tab()
         tabs.addTab(self.create_history_tab(), QIcon(":icons/tab_history.png"), _('History'))
         tabs.addTab(self.send_tab, QIcon(":icons/tab_send.png"), _('Send'))
         tabs.addTab(self.receive_tab, QIcon(":icons/tab_receive.png"), _('Receive'))
+        tabs.addTab(self.names_tab, QIcon(":icons/namecoin-logo.png"), _('Manage Names'))
 
         def add_optional_tab(tabs, tab, icon, description, name):
             tab.tab_icon = icon
@@ -788,6 +790,7 @@ def update_tabs(self):
         self.request_list.update()
         self.address_list.update()
         self.utxo_list.update()
+        self.names_uno_list.update()
         self.contact_list.update()
         self.invoice_list.update()
         self.update_completions()
@@ -1783,6 +1786,7 @@ def set_frozen_state(self, addrs, freeze):
         self.wallet.set_frozen_state(addrs, freeze)
         self.address_list.update()
         self.utxo_list.update()
+        self.names_uno_list.update()
         self.update_fee()
 
     def create_list_tab(self, l, toolbar=None):
@@ -3247,3 +3251,32 @@ def save_transaction_into_wallet(self, tx):
                      "to see it, you need to broadcast it."))
             win.msg_box(QPixmap(":icons/offline_tx.png"), None, _('Success'), msg)
             return True
+
+    def create_names_tab(self):
+        self.names_vbox = vbox = QVBoxLayout()
+
+        self.names_your_names_label = QLabel(_('Your registered names (pending and unconfirmed names have blank expiration):'))
+        vbox.addWidget(self.names_your_names_label)
+
+        # List of names
+        from .uno_list import UNOList
+        self.names_uno_list = l = UNOList(self)
+        vbox.addWidget(self.create_list_tab(l))
+
+        self.names_actions_hbox = QHBoxLayout()
+
+        # Components of names_actions_hbox
+        self.names_configure_button = QPushButton(_('Configure Name...'))
+        self.names_renew_button = QPushButton(_('Renew Name'))
+
+        self.names_actions_hbox.addWidget(self.names_configure_button)
+        self.names_actions_hbox.addWidget(self.names_renew_button)
+
+        self.names_actions = QWidget()
+        self.names_actions.setLayout(self.names_actions_hbox)
+        # TODO: enable name actions
+        #vbox.addWidget(self.names_actions)
+
+        w = QWidget()
+        w.setLayout(vbox)
+        return w

electrum_nmc/gui/qt/uno_list.py

@@ -0,0 +1,99 @@
+#!/usr/bin/env python
+#
+# Electrum-NMC - lightweight Namecoin client
+# Copyright (C) 2018 Namecoin Developers
+#
+# 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.
+
+from electrum_nmc.i18n import _
+from electrum_nmc.names import format_name_identifier, format_name_value
+
+from .util import *
+from .utxo_list import UTXOList
+
+# TODO: It'd be nice if we could further reduce code duplication against
+# UTXOList.
+class UNOList(UTXOList):
+    # TODO: fix this for UNOList
+    filter_columns = [0, 2]  # Address, Label
+
+    def __init__(self, parent=None):
+        MyTreeWidget.__init__(self, parent, self.create_menu, [ _('Name'), _('Value'), _('Expires In'), _('Status')], 1)
+        self.setSelectionMode(QAbstractItemView.ExtendedSelection)
+        self.setSortingEnabled(True)
+
+    def on_update(self):
+        self.wallet = self.parent.wallet
+        self.network = self.parent.network
+        item = self.currentItem()
+        self.clear()
+        self.utxos = self.wallet.get_utxos()
+        for x in self.utxos:
+            txid = x['prevout_hash']
+            vout = x['prevout_n']
+            name_op = self.wallet.transactions[txid].outputs()[vout].name_op
+            if name_op is None:
+                continue
+
+            # TODO: Support name_new
+            if 'name' in name_op:
+                name = format_name_identifier(name_op['name'])
+                value = format_name_value(name_op['value'])
+            else:
+                name = ''
+                value = ''
+
+            height = x.get('height')
+            chain_height = self.network.blockchain().height()
+            expires_in = height - chain_height + 36000
+
+            status = ''
+
+            utxo_item = SortableTreeWidgetItem([name, value, '%d'%expires_in, status])
+            utxo_item.setFont(0, QFont(MONOSPACE_FONT))
+            utxo_item.setFont(1, QFont(MONOSPACE_FONT))
+            utxo_item.setData(0, Qt.UserRole, self.get_name(x))
+            utxo_item.setData(1, Qt.UserRole, name)
+
+            address = x.get('address')
+            if self.wallet.is_frozen(address):
+                utxo_item.setBackground(0, ColorScheme.BLUE.as_color(True))
+            self.addChild(utxo_item)
+
+    def create_menu(self, position):
+        selected = [x.data(0, Qt.UserRole) for x in self.selectedItems()]
+        if not selected:
+            return
+        menu = QMenu()
+        coins = filter(lambda x: self.get_name(x) in selected, self.utxos)
+
+        # TODO: implement Renew
+        #menu.addAction(_("Renew"), lambda: self.parent.spend_coins(coins))
+        if len(selected) == 1:
+            txid = selected[0].split(':')[0]
+            tx = self.wallet.transactions.get(txid)
+            if tx:
+                # TODO: implement Configure
+                #menu.addAction(_("Configure"), lambda: self.parent.show_transaction(tx))
+                menu.addAction(_("Transaction Details"), lambda: self.parent.show_transaction(tx))
+
+        menu.exec_(self.viewport().mapToGlobal(position))
+

electrum_nmc/wallet.py

@@ -366,9 +366,9 @@ def get_tx_info(self, tx):
 
         return tx_hash, status, label, can_broadcast, can_bump, amount, fee, height, conf, timestamp, exp_n
 
-    def get_spendable_coins(self, domain, config):
+    def get_spendable_coins(self, domain, config, include_names=False):
         confirmed_only = config.get('confirmed_only', False)
-        return self.get_utxos(domain, excluded=self.frozen_addresses, mature=True, confirmed_only=confirmed_only)
+        return self.get_utxos(domain, excluded=self.frozen_addresses, mature=True, confirmed_only=confirmed_only, include_names=include_names)
 
     def dummy_address(self):
         return self.get_receiving_addresses()[0]

icons.qrc

@@ -24,6 +24,7 @@
     <file>icons/ledger_unpaired.png</file>
     <file>icons/lock.png</file>
     <file>icons/microphone.png</file>
+    <file>icons/namecoin-logo.png</file>
     <file>icons/network.png</file>
     <file>icons/offline_tx.png</file>
     <file>icons/revealer.png</file>