WIP: Transaction fee confirmation

app/settings.py

@@ -0,0 +1,8 @@
+from PyQt5.QtCore import QSettings
+
+import app
+
+
+class Settings(QSettings):
+    def __init__(self):
+        super().__init__(app.ORG_NAME, app.APP_NAME)

app/ui/proto.ui

@@ -1044,6 +1044,24 @@ QLabel[enabled="true"] {
              </property>
             </widget>
            </item>
+           <item>
+            <widget class="QPushButton" name="reset_suppressed_warnings">
+             <property name="sizePolicy">
+              <sizepolicy hsizetype="Maximum" vsizetype="Fixed">
+               <horstretch>0</horstretch>
+               <verstretch>0</verstretch>
+              </sizepolicy>
+             </property>
+             <property name="font">
+              <font>
+               <family>Roboto Light</family>
+              </font>
+             </property>
+             <property name="text">
+              <string>Re-enable all suppressed warnings</string>
+             </property>
+            </widget>
+           </item>
           </layout>
          </widget>
         </item>

app/ui/transaction_confirmation_dialog.ui

@@ -0,0 +1,127 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>transaction_confirmation_dialog</class>
+ <widget class="QDialog" name="transaction_confirmation_dialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>462</width>
+    <height>119</height>
+   </rect>
+  </property>
+  <property name="sizePolicy">
+   <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
+    <horstretch>0</horstretch>
+    <verstretch>0</verstretch>
+   </sizepolicy>
+  </property>
+  <property name="windowTitle">
+   <string>Dialog</string>
+  </property>
+  <property name="sizeGripEnabled">
+   <bool>false</bool>
+  </property>
+  <property name="modal">
+   <bool>true</bool>
+  </property>
+  <widget class="QDialogButtonBox" name="buttonBox">
+   <property name="geometry">
+    <rect>
+     <x>290</x>
+     <y>80</y>
+     <width>161</width>
+     <height>32</height>
+    </rect>
+   </property>
+   <property name="font">
+    <font>
+     <family>Roboto Light</family>
+     <pointsize>12</pointsize>
+    </font>
+   </property>
+   <property name="orientation">
+    <enum>Qt::Horizontal</enum>
+   </property>
+   <property name="standardButtons">
+    <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+   </property>
+  </widget>
+  <widget class="QLabel" name="label">
+   <property name="geometry">
+    <rect>
+     <x>10</x>
+     <y>10</y>
+     <width>441</width>
+     <height>51</height>
+    </rect>
+   </property>
+   <property name="font">
+    <font>
+     <family>Roboto Light</family>
+     <pointsize>12</pointsize>
+    </font>
+   </property>
+   <property name="text">
+    <string>You are about to send a transaction to the network. For this a transaction fee of {fee} CHM will be deducted from your balance.</string>
+   </property>
+   <property name="wordWrap">
+    <bool>true</bool>
+   </property>
+  </widget>
+  <widget class="QCheckBox" name="checkBox">
+   <property name="geometry">
+    <rect>
+     <x>10</x>
+     <y>80</y>
+     <width>181</width>
+     <height>31</height>
+    </rect>
+   </property>
+   <property name="font">
+    <font>
+     <family>Roboto Light</family>
+     <pointsize>12</pointsize>
+    </font>
+   </property>
+   <property name="text">
+    <string>Don't show again</string>
+   </property>
+  </widget>
+ </widget>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>transaction_confirmation_dialog</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>248</x>
+     <y>254</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>157</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>rejected()</signal>
+   <receiver>transaction_confirmation_dialog</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>316</x>
+     <y>260</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>286</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>

app/widgets/change_alias.py

@@ -1,19 +1,20 @@
 # -*- coding: utf-8 -*-
 import logging
 
-from PyQt5.QtWidgets import QDialog
 from PyQt5.QtCore import pyqtSlot
+from PyQt5.QtWidgets import QDialog
 from PyQt5.QtWidgets import QDialogButtonBox
 from PyQt5.QtWidgets import QMessageBox
 from PyQt5.QtWidgets import QWidget
 from peewee import fn
 
 from app.backend.rpc import get_active_rpc_client
 from app.models import Address
-from app.ui.dialog_change_alias import Ui_dialog_change_alias
 from app.models import Profile
 from app.signals import signals
 from app.tools.validators import username_regex
+from app.ui.dialog_change_alias import Ui_dialog_change_alias
+from app.widgets.transaction_confirmation_dialog import TransactionConfirmationDialog
 
 log = logging.getLogger(__name__)
 
@@ -54,7 +55,14 @@ def on_alias_changed(self, text):
             is_valid = True
         self.buttonBox.button(QDialogButtonBox.Save).setDisabled(not is_valid)
 
+
     def save(self):
+        confirmation_dialog = TransactionConfirmationDialog(self)
+        confirmation_dialog.fee = "approximately 0.00074"
+        confirmation_dialog.callback = self.do_save
+        confirmation_dialog.exec()
+
+    def do_save(self):
         client = get_active_rpc_client()
         try:
             response = client.publish(

app/widgets/proto.py

@@ -8,6 +8,7 @@
 from app import models
 from app.models import Profile, Permission, CurrentVote
 from app.responses import Getblockchaininfo
+from app.settings import Settings
 from app.signals import signals
 from app.ui.proto import Ui_MainWindow
 from app.widgets.apply import ApplyDialog
@@ -92,6 +93,7 @@ def __init__(self, **kwargs):
         self.check_manage_node.setChecked(self.profile.manage_node)
         self.check_manage_node.stateChanged['int'].connect(self.setting_changed_manage_node)
         self.btn_alias_change.clicked.connect(self.on_change_alias)
+        self.reset_suppressed_warnings.clicked.connect(self.on_reset_suppressed_warnings_click)
 
         # Connections
         signals.getblockchaininfo.connect(self.getblockchaininfo)
@@ -151,6 +153,10 @@ def setting_changed_manage_node(self, state):
         if self.profile.manage_node:
             self.node.start()
 
+    def on_reset_suppressed_warnings_click(self):
+        settings = Settings()
+        settings.setValue('suppress_transaction_fee_warning', False)
+
     def node_started(self):
         self.updater.start()
 

app/widgets/transaction_confirmation_dialog.py

@@ -0,0 +1,33 @@
+from PyQt5.QtWidgets import QDialog, QDialogButtonBox
+
+from app.models import Profile
+from app.settings import Settings
+from app.ui.transaction_confirmation_dialog import Ui_transaction_confirmation_dialog
+from typing import Callable
+
+
+class TransactionConfirmationDialog(QDialog, Ui_transaction_confirmation_dialog):
+
+    fee = "YOU SHOULD NEVER SEE THIS"
+    callback = None
+    __settings = Settings()
+
+    def __init__(self, parent=None):
+        super().__init__(parent)
+
+        self.setupUi(self)
+        self.setFixedSize(self.size())
+
+    def exec(self):
+        if self.__settings.value('suppress_transaction_fee_warning', type=bool):
+            self.callback()
+        else:
+            self.label.setText(self.label.text().replace("{fee}", self.fee))
+            self.buttonBox.button(QDialogButtonBox.Ok).clicked.connect(self.__on_ok_click)
+            super().exec()
+
+    def __on_ok_click(self):
+
+        if not self.__settings.value('suppress_transaction_fee_warning', type=bool) and self.checkBox.isChecked():
+            self.__settings.setValue('suppress_transaction_fee_warning', True)
+        self.callback()