MorphToken: get rates

src/MorphTokenWidget.cpp

@@ -19,13 +19,16 @@ MorphTokenWidget::MorphTokenWidget(QWidget *parent) :
 
     connect(ui->btnCreateTrade, &QPushButton::clicked, this, &MorphTokenWidget::createTrade);
     connect(ui->btn_lookupTrade, &QPushButton::clicked, this, &MorphTokenWidget::lookupTrade);
+    connect(ui->btn_getRates, &QPushButton::clicked, this, &MorphTokenWidget::getRates);
 
     connect(m_api, &MorphTokenApi::ApiResponse, this, &MorphTokenWidget::onApiResponse);
 
     connect(ui->combo_From, QOverload<int>::of(&QComboBox::currentIndexChanged), [this](int index){
+        this->displayRate();
         ui->label_refundAddress->setText(QString("Refund address (%1):").arg(ui->combo_From->currentText()));
     });
     connect(ui->combo_To, QOverload<int>::of(&QComboBox::currentIndexChanged), [this](int index){
+        this->displayRate();
         ui->label_destinationAddress->setText(QString("Destination address (%1):").arg(ui->combo_To->currentText()));
     });
 
@@ -45,6 +48,12 @@ MorphTokenWidget::MorphTokenWidget(QWidget *parent) :
     ui->combo_From->setCurrentIndex(1);
     ui->combo_To->setCurrentIndex(0);
 
+    ui->label_rate->setVisible(false);
+    m_ratesTimer.setSingleShot(true);
+    connect(&m_ratesTimer, &QTimer::timeout, [this]{
+        ui->label_rate->setVisible(false);
+    });
+
     ui->tabWidget->setTabVisible(2, false);
 }
 
@@ -64,6 +73,10 @@ void MorphTokenWidget::lookupTrade() {
         m_api->getTrade(morphId);
 }
 
+void MorphTokenWidget::getRates() {
+    m_api->getRates();
+}
+
 void MorphTokenWidget::onApiResponse(const MorphTokenApi::MorphTokenResponse &resp) {
     if (!resp.ok) {
         ui->check_autorefresh->setChecked(false);
@@ -136,6 +149,11 @@ void MorphTokenWidget::onApiResponse(const MorphTokenApi::MorphTokenResponse &re
         }
 
         ui->label_status->setText(statusText);
+    } else if (resp.endpoint == MorphTokenApi::Endpoint::GET_RATES) {
+        m_rates = resp.obj.value("data").toObject();
+        this->displayRate();
+        ui->label_rate->setVisible(true);
+        m_ratesTimer.start(120 * 1000);
     }
 
     if (resp.endpoint == MorphTokenApi::Endpoint::CREATE_TRADE) {
@@ -153,6 +171,15 @@ void MorphTokenWidget::onCountdown() {
     ui->check_autorefresh->setText(QString("Autorefresh (%1)").arg(m_countdown));
 }
 
+void MorphTokenWidget::displayRate() {
+    QString inputAsset = ui->combo_From->currentText();
+    QString outputAsset = ui->combo_To->currentText();
+    QString outputRate = m_rates.value(inputAsset).toObject().value(outputAsset).toString("1");
+
+    QString rateStr = QString("1 %1 -> %2 %3").arg(inputAsset, outputRate, outputAsset);
+    ui->label_rate->setText(rateStr);
+}
+
 QString MorphTokenWidget::formatAmount(const QString &asset, double amount) {
     double displayAmount;
     double div;

src/MorphTokenWidget.h

@@ -23,9 +23,11 @@ public:
 private:
     void createTrade();
     void lookupTrade();
+    void getRates();
     void onApiResponse(const MorphTokenApi::MorphTokenResponse &resp);
 
     void onCountdown();
+    void displayRate();
 
     QString formatAmount(const QString &asset, double amount);
 
@@ -36,6 +38,8 @@ private:
     UtilsNetworking *m_network;
     QTimer m_countdownTimer;
     int m_countdown = 30;
+    QJsonObject m_rates;
+    QTimer m_ratesTimer;
 };
 
 #endif //FEATHER_MORPHTOKENWIDGET_H

src/MorphTokenWidget.ui

@@ -145,6 +145,13 @@
            </property>
           </spacer>
          </item>
+         <item>
+          <widget class="QLabel" name="label_rate">
+           <property name="text">
+            <string>rate</string>
+           </property>
+          </widget>
+         </item>
         </layout>
        </item>
        <item>
@@ -196,6 +203,13 @@
            </property>
           </spacer>
          </item>
+         <item>
+          <widget class="QPushButton" name="btn_getRates">
+           <property name="text">
+            <string>Get Rates</string>
+           </property>
+          </widget>
+         </item>
          <item>
           <widget class="QPushButton" name="btnCreateTrade">
            <property name="text">