TxProofWidget: add help labels for proofs

src/widgets/txproofwidget.cpp

@@ -32,6 +32,11 @@ TxProofWidget::TxProofWidget(QWidget *parent, Wallet *wallet, TransactionInfo *t
 
     connect(ui->btn_copySpendProof, &QPushButton::clicked, this, &TxProofWidget::copySpendProof);
     connect(ui->btn_copyTxProof, &QPushButton::clicked, this, &TxProofWidget::copyTxProof);
+
+    ui->label_SpendProof->setHelpText("A SpendProof proves authorship of a transaction.\n\n"
+                                            "SpendProofs do not prove that a particular amount was sent to an address, for that use OutProofs.");
+    ui->label_InOutProof->setHelpText("An InProof proves ownership of an output.\n"
+                                            "An OutProof shows the prover sent an output to an address.");
 }
 
 void TxProofWidget::copySpendProof() {

src/widgets/txproofwidget.ui

@@ -48,7 +48,7 @@
       </widget>
      </item>
      <item>
-      <widget class="QLabel" name="label">
+      <widget class="HelpLabel" name="label_SpendProof">
        <property name="text">
         <string>SpendProof</string>
        </property>
@@ -72,7 +72,7 @@
       </widget>
      </item>
      <item>
-      <widget class="QLabel" name="label_2">
+      <widget class="HelpLabel" name="label_InOutProof">
        <property name="sizePolicy">
         <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
          <horstretch>0</horstretch>
@@ -98,6 +98,13 @@
    </item>
   </layout>
  </widget>
+ <customwidgets>
+  <customwidget>
+   <class>HelpLabel</class>
+   <extends>QLabel</extends>
+   <header>components.h</header>
+  </customwidget>
+ </customwidgets>
  <resources/>
  <connections/>
 </ui>