[Qt] Add Smartfee to GUI

2 files changed, 610 insertions, 68 deletions

diff --git a/src/qt/forms/optionsdialog.ui b/src/qt/forms/optionsdialog.ui
index 9d094c1a73..3446cf5c33 100644
--- a/src/qt/forms/optionsdialog.ui
+++ b/src/qt/forms/optionsdialog.ui
@@ -138,65 +138,6 @@
       </attribute>
       <layout class="QVBoxLayout" name="verticalLayout_Wallet">
        <item>
-        <widget class="QLabel" name="transactionFeeInfoLabel">
-         <property name="text">
-          <string>Optional transaction fee per kB that helps make sure your transactions are processed quickly. Most transactions are 1 kB.</string>
-         </property>
-         <property name="textFormat">
-          <enum>Qt::PlainText</enum>
-         </property>
-         <property name="wordWrap">
-          <bool>true</bool>
-         </property>
-        </widget>
-       </item>
-       <item>
-        <layout class="QHBoxLayout" name="horizontalLayout_1_Wallet">
-         <item>
-          <widget class="QLabel" name="transactionFeeLabel">
-           <property name="text">
-            <string>Pay transaction &amp;fee</string>
-           </property>
-           <property name="textFormat">
-            <enum>Qt::PlainText</enum>
-           </property>
-           <property name="buddy">
-            <cstring>transactionFee</cstring>
-           </property>
-          </widget>
-         </item>
-         <item>
-          <widget class="BitcoinAmountField" name="transactionFee"/>
-         </item>
-         <item>
-          <spacer name="horizontalSpacer_1_Wallet">
-           <property name="orientation">
-            <enum>Qt::Horizontal</enum>
-           </property>
-           <property name="sizeHint" stdset="0">
-            <size>
-             <width>40</width>
-             <height>20</height>
-            </size>
-           </property>
-          </spacer>
-         </item>
-        </layout>
-       </item>
-       <item>
-        <spacer name="verticalSpacer_Wallet">
-         <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>
         <widget class="QGroupBox" name="groupBox">
          <property name="title">
           <string>Expert</string>
@@ -225,6 +166,19 @@
          </layout>
         </widget>
        </item>
+       <item>
+        <spacer name="verticalSpacer_Wallet">
+         <property name="orientation">
+          <enum>Qt::Vertical</enum>
+         </property>
+         <property name="sizeHint" stdset="0">
+          <size>
+           <width>20</width>
+           <height>40</height>
+          </size>
+         </property>
+        </spacer>
+       </item>
       </layout>
      </widget>
      <widget class="QWidget" name="tabNetwork">
@@ -633,12 +587,6 @@
  </widget>
  <customwidgets>
   <customwidget>
-   <class>BitcoinAmountField</class>
-   <extends>QLineEdit</extends>
-   <header>bitcoinamountfield.h</header>
-   <container>1</container>
-  </customwidget>
-  <customwidget>
    <class>QValidatedLineEdit</class>
    <extends>QLineEdit</extends>
    <header>qvalidatedlineedit.h</header>
diff --git a/src/qt/forms/sendcoinsdialog.ui b/src/qt/forms/sendcoinsdialog.ui
index dce7f4ce4c..0bf04c75eb 100644
--- a/src/qt/forms/sendcoinsdialog.ui
+++ b/src/qt/forms/sendcoinsdialog.ui
@@ -7,13 +7,13 @@
     <x>0</x>
     <y>0</y>
     <width>850</width>
-    <height>400</height>
+    <height>526</height>
    </rect>
   </property>
   <property name="windowTitle">
    <string>Send Coins</string>
   </property>
-  <layout class="QVBoxLayout" name="verticalLayout" stretch="0,1,0">
+  <layout class="QVBoxLayout" name="verticalLayout" stretch="0,1,0,0">
    <property name="bottomMargin">
     <number>8</number>
    </property>
@@ -617,7 +617,7 @@
         <x>0</x>
         <y>0</y>
         <width>830</width>
-        <height>178</height>
+        <height>68</height>
        </rect>
       </property>
       <layout class="QVBoxLayout" name="verticalLayout_2" stretch="0,1">
@@ -658,6 +658,590 @@
     </widget>
    </item>
    <item>
+    <widget class="QFrame" name="frameFee">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
+     <property name="maximumSize">
+      <size>
+       <width>16777215</width>
+       <height>16777215</height>
+      </size>
+     </property>
+     <property name="frameShape">
+      <enum>QFrame::StyledPanel</enum>
+     </property>
+     <property name="frameShadow">
+      <enum>QFrame::Sunken</enum>
+     </property>
+     <layout class="QVBoxLayout" name="verticalLayoutFee1">
+      <property name="spacing">
+       <number>0</number>
+      </property>
+      <property name="leftMargin">
+       <number>0</number>
+      </property>
+      <property name="topMargin">
+       <number>0</number>
+      </property>
+      <property name="rightMargin">
+       <number>0</number>
+      </property>
+      <property name="bottomMargin">
+       <number>0</number>
+      </property>
+      <item>
+       <layout class="QVBoxLayout" name="verticalLayoutFee2" stretch="0,0,0">
+        <property name="spacing">
+         <number>0</number>
+        </property>
+        <property name="leftMargin">
+         <number>10</number>
+        </property>
+        <property name="topMargin">
+         <number>0</number>
+        </property>
+        <item>
+         <layout class="QHBoxLayout" name="horizontalLayoutFee1">
+          <property name="bottomMargin">
+           <number>0</number>
+          </property>
+          <item>
+           <layout class="QVBoxLayout" name="verticalLayoutFee7">
+            <property name="spacing">
+             <number>0</number>
+            </property>
+            <item>
+             <spacer name="verticalSpacerSmartFee">
+              <property name="orientation">
+               <enum>Qt::Vertical</enum>
+              </property>
+              <property name="sizeType">
+               <enum>QSizePolicy::Fixed</enum>
+              </property>
+              <property name="sizeHint" stdset="0">
+               <size>
+                <width>1</width>
+                <height>4</height>
+               </size>
+              </property>
+             </spacer>
+            </item>
+            <item>
+             <layout class="QHBoxLayout" name="horizontalLayoutSmartFee">
+              <property name="spacing">
+               <number>10</number>
+              </property>
+              <item>
+               <widget class="QLabel" name="labelFeeHeadline">
+                <property name="sizePolicy">
+                 <sizepolicy hsizetype="Preferred" vsizetype="Maximum">
+                  <horstretch>0</horstretch>
+                  <verstretch>0</verstretch>
+                 </sizepolicy>
+                </property>
+                <property name="font">
+                 <font>
+                  <weight>75</weight>
+                  <bold>true</bold>
+                 </font>
+                </property>
+                <property name="styleSheet">
+                 <string notr="true">font-weight:bold;</string>
+                </property>
+                <property name="text">
+                 <string>Transaction Fee:</string>
+                </property>
+               </widget>
+              </item>
+              <item>
+               <widget class="QLabel" name="labelFeeMinimized">
+                <property name="text">
+                 <string/>
+                </property>
+               </widget>
+              </item>
+              <item>
+               <widget class="QPushButton" name="buttonChooseFee">
+                <property name="text">
+                 <string>Choose...</string>
+                </property>
+               </widget>
+              </item>
+              <item>
+               <widget class="QPushButton" name="buttonMinimizeFee">
+                <property name="toolTip">
+                 <string>collapse fee-settings</string>
+                </property>
+                <property name="text">
+                 <string>Minimize</string>
+                </property>
+               </widget>
+              </item>
+             </layout>
+            </item>
+            <item>
+             <spacer name="verticalSpacer_5">
+              <property name="orientation">
+               <enum>Qt::Vertical</enum>
+              </property>
+              <property name="sizeHint" stdset="0">
+               <size>
+                <width>1</width>
+                <height>1</height>
+               </size>
+              </property>
+             </spacer>
+            </item>
+           </layout>
+          </item>
+          <item>
+           <spacer name="horizontalSpacer_4">
+            <property name="orientation">
+             <enum>Qt::Horizontal</enum>
+            </property>
+            <property name="sizeHint" stdset="0">
+             <size>
+              <width>40</width>
+              <height>20</height>
+             </size>
+            </property>
+           </spacer>
+          </item>
+         </layout>
+        </item>
+        <item>
+         <widget class="QFrame" name="frameFeeSelection">
+          <layout class="QVBoxLayout" name="verticalLayoutFee12">
+           <property name="spacing">
+            <number>0</number>
+           </property>
+           <property name="leftMargin">
+            <number>0</number>
+           </property>
+           <property name="topMargin">
+            <number>0</number>
+           </property>
+           <property name="rightMargin">
+            <number>0</number>
+           </property>
+           <property name="bottomMargin">
+            <number>0</number>
+           </property>
+           <item>
+            <layout class="QGridLayout" name="gridLayoutFee">
+             <property name="topMargin">
+              <number>10</number>
+             </property>
+             <property name="bottomMargin">
+              <number>4</number>
+             </property>
+             <property name="horizontalSpacing">
+              <number>10</number>
+             </property>
+             <property name="verticalSpacing">
+              <number>4</number>
+             </property>
+             <item row="1" column="1">
+              <layout class="QVBoxLayout" name="verticalLayoutFee8">
+               <property name="spacing">
+                <number>6</number>
+               </property>
+               <item>
+                <layout class="QHBoxLayout" name="horizontalLayoutFee13">
+                 <item>
+                  <widget class="QRadioButton" name="radioCustomPerKilobyte">
+                   <property name="toolTip">
+                    <string>If the custom fee is set to 1000 satoshis and the transaction is only 250 bytes, then &quot;per kilobyte&quot; only pays 250 satoshis in fee, while &quot;at least&quot; pays 1000 satoshis. For transactions bigger than a kilobyte both pay by kilobyte.</string>
+                   </property>
+                   <property name="text">
+                    <string>per kilobyte</string>
+                   </property>
+                   <property name="checked">
+                    <bool>true</bool>
+                   </property>
+                   <attribute name="buttonGroup">
+                    <string notr="true">groupCustomFee</string>
+                   </attribute>
+                  </widget>
+                 </item>
+                 <item>
+                  <widget class="QRadioButton" name="radioCustomAtLeast">
+                   <property name="toolTip">
+                    <string>If the custom fee is set to 1000 satoshis and the transaction is only 250 bytes, then &quot;per kilobyte&quot; only pays 250 satoshis in fee, while &quot;total at least&quot; pays 1000 satoshis. For transactions bigger than a kilobyte both pay by kilobyte.</string>
+                   </property>
+                   <property name="text">
+                    <string>total at least</string>
+                   </property>
+                   <attribute name="buttonGroup">
+                    <string notr="true">groupCustomFee</string>
+                   </attribute>
+                  </widget>
+                 </item>
+                 <item>
+                  <widget class="BitcoinAmountField" name="customFee"/>
+                 </item>
+                 <item>
+                  <spacer name="horizontalSpacer_6">
+                   <property name="orientation">
+                    <enum>Qt::Horizontal</enum>
+                   </property>
+                   <property name="sizeHint" stdset="0">
+                    <size>
+                     <width>1</width>
+                     <height>1</height>
+                    </size>
+                   </property>
+                  </spacer>
+                 </item>
+                </layout>
+               </item>
+               <item>
+                <layout class="QHBoxLayout" name="horizontalLayoutFee8">
+                 <item>
+                  <widget class="QCheckBox" name="checkBoxMinimumFee">
+                   <property name="toolTip">
+                    <string>Paying only the minimum fee is just fine as long as there is less transaction volume than space in the blocks. But be aware that this can end up in a never confirming transaction once there is more demand for bitcoin transactions than the network can process.</string>
+                   </property>
+                   <property name="text">
+                    <string/>
+                   </property>
+                  </widget>
+                 </item>
+                 <item>
+                  <widget class="QLabel" name="labelMinFeeWarning">
+                   <property name="enabled">
+                    <bool>true</bool>
+                   </property>
+                   <property name="toolTip">
+                    <string>Paying only the minimum fee is just fine as long as there is less transaction volume than space in the blocks. But be aware that this can end up in a never confirming transaction once there is more demand for bitcoin transactions than the network can process.</string>
+                   </property>
+                   <property name="text">
+                    <string>(read the tooltip)</string>
+                   </property>
+                   <property name="margin">
+                    <number>5</number>
+                   </property>
+                  </widget>
+                 </item>
+                 <item>
+                  <spacer name="horizontalSpacer_2">
+                   <property name="orientation">
+                    <enum>Qt::Horizontal</enum>
+                   </property>
+                   <property name="sizeHint" stdset="0">
+                    <size>
+                     <width>1</width>
+                     <height>1</height>
+                    </size>
+                   </property>
+                  </spacer>
+                 </item>
+                </layout>
+               </item>
+              </layout>
+             </item>
+             <item row="0" column="0">
+              <layout class="QVBoxLayout" name="verticalLayoutFee4" stretch="0,1">
+               <item>
+                <widget class="QRadioButton" name="radioSmartFee">
+                 <property name="text">
+                  <string>Recommended:</string>
+                 </property>
+                 <property name="checked">
+                  <bool>true</bool>
+                 </property>
+                 <attribute name="buttonGroup">
+                  <string notr="true">groupFee</string>
+                 </attribute>
+                </widget>
+               </item>
+               <item>
+                <spacer name="verticalSpacer_2">
+                 <property name="orientation">
+                  <enum>Qt::Vertical</enum>
+                 </property>
+                 <property name="sizeHint" stdset="0">
+                  <size>
+                   <width>1</width>
+                   <height>1</height>
+                  </size>
+                 </property>
+                </spacer>
+               </item>
+              </layout>
+             </item>
+             <item row="1" column="0">
+              <layout class="QVBoxLayout" name="verticalLayoutFee9" stretch="0,1">
+               <item>
+                <widget class="QRadioButton" name="radioCustomFee">
+                 <property name="text">
+                  <string>Custom:</string>
+                 </property>
+                 <attribute name="buttonGroup">
+                  <string notr="true">groupFee</string>
+                 </attribute>
+                </widget>
+               </item>
+               <item>
+                <spacer name="verticalSpacer_6">
+                 <property name="orientation">
+                  <enum>Qt::Vertical</enum>
+                 </property>
+                 <property name="sizeHint" stdset="0">
+                  <size>
+                   <width>1</width>
+                   <height>1</height>
+                  </size>
+                 </property>
+                </spacer>
+               </item>
+              </layout>
+             </item>
+             <item row="0" column="1">
+              <layout class="QVBoxLayout" name="verticalLayoutFee3" stretch="0,0,1">
+               <property name="spacing">
+                <number>6</number>
+               </property>
+               <property name="topMargin">
+                <number>2</number>
+               </property>
+               <item>
+                <layout class="QHBoxLayout" name="horizontalLayoutFee12">
+                 <item>
+                  <widget class="QLabel" name="labelSmartFee">
+                   <property name="text">
+                    <string/>
+                   </property>
+                   <property name="margin">
+                    <number>2</number>
+                   </property>
+                  </widget>
+                 </item>
+                 <item>
+                  <widget class="QLabel" name="labelFeeEstimation">
+                   <property name="text">
+                    <string/>
+                   </property>
+                  </widget>
+                 </item>
+                 <item>
+                  <widget class="QLabel" name="labelSmartFee2">
+                   <property name="text">
+                    <string>(Smart fee not initialized yet. This usually takes a few blocks...)</string>
+                   </property>
+                   <property name="margin">
+                    <number>2</number>
+                   </property>
+                  </widget>
+                 </item>
+                 <item>
+                  <spacer name="horizontalSpacer_5">
+                   <property name="orientation">
+                    <enum>Qt::Horizontal</enum>
+                   </property>
+                   <property name="sizeHint" stdset="0">
+                    <size>
+                     <width>1</width>
+                     <height>1</height>
+                    </size>
+                   </property>
+                  </spacer>
+                 </item>
+                </layout>
+               </item>
+               <item>
+                <layout class="QHBoxLayout" name="horizontalLayoutFee9">
+                 <item>
+                  <layout class="QVBoxLayout" name="verticalLayoutFee6">
+                   <item>
+                    <widget class="QLabel" name="labelSmartFee3">
+                     <property name="text">
+                      <string>Confirmation time:</string>
+                     </property>
+                     <property name="margin">
+                      <number>2</number>
+                     </property>
+                    </widget>
+                   </item>
+                   <item>
+                    <spacer name="verticalSpacer_3">
+                     <property name="orientation">
+                      <enum>Qt::Vertical</enum>
+                     </property>
+                     <property name="sizeHint" stdset="0">
+                      <size>
+                       <width>1</width>
+                       <height>1</height>
+                      </size>
+                     </property>
+                    </spacer>
+                   </item>
+                  </layout>
+                 </item>
+                 <item>
+                  <layout class="QVBoxLayout" name="verticalLayoutFee5">
+                   <property name="rightMargin">
+                    <number>30</number>
+                   </property>
+                   <item>
+                    <widget class="QSlider" name="sliderSmartFee">
+                     <property name="minimum">
+                      <number>0</number>
+                     </property>
+                     <property name="maximum">
+                      <number>24</number>
+                     </property>
+                     <property name="pageStep">
+                      <number>1</number>
+                     </property>
+                     <property name="value">
+                      <number>0</number>
+                     </property>
+                     <property name="orientation">
+                      <enum>Qt::Horizontal</enum>
+                     </property>
+                     <property name="invertedAppearance">
+                      <bool>false</bool>
+                     </property>
+                     <property name="invertedControls">
+                      <bool>false</bool>
+                     </property>
+                     <property name="tickPosition">
+                      <enum>QSlider::NoTicks</enum>
+                     </property>
+                    </widget>
+                   </item>
+                   <item>
+                    <layout class="QHBoxLayout" name="horizontalLayoutFee10">
+                     <item>
+                      <widget class="QLabel" name="labelSmartFeeNormal">
+                       <property name="text">
+                        <string>normal</string>
+                       </property>
+                      </widget>
+                     </item>
+                     <item>
+                      <spacer name="horizontalSpacer_3">
+                       <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>
+                      <widget class="QLabel" name="labelSmartFeeFast">
+                       <property name="text">
+                        <string>fast</string>
+                       </property>
+                      </widget>
+                     </item>
+                    </layout>
+                   </item>
+                  </layout>
+                 </item>
+                </layout>
+               </item>
+               <item>
+                <spacer name="verticalSpacer_4">
+                 <property name="orientation">
+                  <enum>Qt::Vertical</enum>
+                 </property>
+                 <property name="sizeHint" stdset="0">
+                  <size>
+                   <width>1</width>
+                   <height>1</height>
+                  </size>
+                 </property>
+                </spacer>
+               </item>
+              </layout>
+             </item>
+            </layout>
+           </item>
+           <item>
+            <layout class="QHBoxLayout" name="horizontalLayoutFee5" stretch="0,0,0">
+             <property name="spacing">
+              <number>8</number>
+             </property>
+             <property name="bottomMargin">
+              <number>4</number>
+             </property>
+             <item>
+              <widget class="QCheckBox" name="checkBoxFreeTx">
+               <property name="text">
+                <string>Send as zero-fee transaction if possible</string>
+               </property>
+              </widget>
+             </item>
+             <item>
+              <widget class="QLabel" name="labelFreeTx">
+               <property name="text">
+                <string>(confirmation may take longer)</string>
+               </property>
+               <property name="margin">
+                <number>5</number>
+               </property>
+              </widget>
+             </item>
+             <item>
+              <spacer name="horizontalSpacerFee5">
+               <property name="orientation">
+                <enum>Qt::Horizontal</enum>
+               </property>
+               <property name="sizeHint" stdset="0">
+                <size>
+                 <width>1</width>
+                 <height>1</height>
+                </size>
+               </property>
+              </spacer>
+             </item>
+            </layout>
+           </item>
+           <item>
+            <spacer name="verticalSpacerFee2">
+             <property name="orientation">
+              <enum>Qt::Vertical</enum>
+             </property>
+             <property name="sizeHint" stdset="0">
+              <size>
+               <width>1</width>
+               <height>1</height>
+              </size>
+             </property>
+            </spacer>
+           </item>
+          </layout>
+         </widget>
+        </item>
+        <item>
+         <spacer name="verticalSpacerFee">
+          <property name="orientation">
+           <enum>Qt::Vertical</enum>
+          </property>
+          <property name="sizeHint" stdset="0">
+           <size>
+            <width>800</width>
+            <height>1</height>
+           </size>
+          </property>
+         </spacer>
+        </item>
+       </layout>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item>
     <layout class="QHBoxLayout" name="horizontalLayout">
      <item>
       <widget class="QPushButton" name="sendButton">
@@ -787,9 +1371,19 @@
    <extends>QLineEdit</extends>
    <header>qvalidatedlineedit.h</header>
   </customwidget>
+  <customwidget>
+   <class>BitcoinAmountField</class>
+   <extends>QLineEdit</extends>
+   <header>bitcoinamountfield.h</header>
+   <container>1</container>
+  </customwidget>
  </customwidgets>
  <resources>
   <include location="../bitcoin.qrc"/>
  </resources>
  <connections/>
+ <buttongroups>
+  <buttongroup name="groupFee"/>
+  <buttongroup name="groupCustomFee"/>
+ </buttongroups>
 </ui>