Merge pull request 'Initial MorphToken support' (#145) from tobtoht/feather:morphtoken into master

Reviewed-on: https://git.wownero.com/feather/feather/pulls/145

src/MorphTokenWidget.cpp

@@ -0,0 +1,174 @@
+// SPDX-License-Identifier: BSD-3-Clause
+// Copyright (c) 2020, The Monero Project.
+
+#include "MorphTokenWidget.h"
+#include "ui_MorphTokenWidget.h"
+#include "mainwindow.h"
+
+#include <QMessageBox>
+
+MorphTokenWidget::MorphTokenWidget(QWidget *parent) :
+    QWidget(parent),
+    ui(new Ui::MorphTokenWidget)
+{
+    ui->setupUi(this);
+    m_ctx = MainWindow::getContext();
+
+    m_network = new UtilsNetworking(this->m_ctx->network);
+    m_api = new MorphTokenApi(this, m_network);
+
+    connect(ui->btnCreateTrade, &QPushButton::clicked, this, &MorphTokenWidget::createTrade);
+    connect(ui->btn_lookupTrade, &QPushButton::clicked, this, &MorphTokenWidget::lookupTrade);
+
+    connect(m_api, &MorphTokenApi::ApiResponse, this, &MorphTokenWidget::onApiResponse);
+
+    connect(ui->combo_From, QOverload<int>::of(&QComboBox::currentIndexChanged), [this](int index){
+        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){
+        ui->label_destinationAddress->setText(QString("Destination address (%1):").arg(ui->combo_To->currentText()));
+    });
+
+    connect(ui->check_autorefresh, &QCheckBox::toggled, [this](bool toggled){
+        m_countdown = 30;
+        toggled ? m_countdownTimer.start(1000) : m_countdownTimer.stop();
+        ui->check_autorefresh->setText("Autorefresh");
+    });
+    connect(&m_countdownTimer, &QTimer::timeout, this, &MorphTokenWidget::onCountdown);
+
+    connect(ui->line_Id, &QLineEdit::textChanged, [this](const QString &text){
+        ui->btn_lookupTrade->setEnabled(!text.isEmpty());
+        ui->check_autorefresh->setEnabled(!text.isEmpty());
+    });
+
+    // Default to BTC -> XMR
+    ui->combo_From->setCurrentIndex(1);
+    ui->combo_To->setCurrentIndex(0);
+
+    ui->tabWidget->setTabVisible(2, false);
+}
+
+void MorphTokenWidget::createTrade() {
+    QString inputAsset = ui->combo_From->currentText();
+    QString outputAsset = ui->combo_To->currentText();
+    QString refundAddress = ui->line_refundAddress->text();
+    QString destinationAddress = ui->line_destinationAddress->text();
+
+    m_api->createTrade(inputAsset, outputAsset, refundAddress, destinationAddress);
+}
+
+void MorphTokenWidget::lookupTrade() {
+    QString morphId = ui->line_Id->text();
+
+    if (!morphId.isEmpty())
+        m_api->getTrade(morphId);
+}
+
+void MorphTokenWidget::onApiResponse(const MorphTokenApi::MorphTokenResponse &resp) {
+    if (!resp.ok) {
+        ui->check_autorefresh->setChecked(false);
+        QMessageBox::warning(this, "MorphToken error", QString("Request failed:\n\n%1").arg(resp.message));
+        return;
+    }
+
+    ui->debugInfo->setPlainText(QJsonDocument(resp.obj).toJson(QJsonDocument::Indented));
+
+    if (resp.endpoint == MorphTokenApi::Endpoint::CREATE_TRADE || resp.endpoint == MorphTokenApi::Endpoint::GET_TRADE) {
+        ui->tabWidget->setCurrentIndex(1);
+        ui->line_Id->setText(resp.obj.value("id").toString());
+
+        auto obj = resp.obj;
+        auto input = obj["input"].toObject();
+        auto output = obj["output"].toArray()[0].toObject();
+        QString state = obj.value("state").toString();
+        QString statusText;
+
+        ui->trade->setTitle(QString("Trade (%1)").arg(state));
+
+        statusText += QString("Morph ID: %1\n\n").arg(obj["id"].toString());
+
+        if (state == "PENDING") {
+            statusText += QString("Waiting for a deposit, send %1 to %2\n").arg(input["asset"].toString(),
+                                                                                input["deposit_address"].toString());
+            statusText += QString("Rate: 1 %1 -> %2 %3\n\n").arg(input["asset"].toString(),
+                                                                 output["seen_rate"].toString(),
+                                                                 output["asset"].toString());
+            statusText += "Limits:\n";
+            statusText += QString("  Minimum amount accepted: %1 %2\n").arg(formatAmount(input["asset"].toString(), input["limits"].toObject()["min"].toDouble()),
+                                                                            input["asset"].toString());
+            statusText += QString("  Maximum amount accepted: %1 %2\n").arg(formatAmount(input["asset"].toString(), input["limits"].toObject()["max"].toDouble()),
+                                                                            input["asset"].toString());
+            statusText += QString("\nSend a single deposit. If the amount is outside the limits, a refund will happen.");
+        } else if (state == "PROCESSING" || state == "TRADING" || state == "CONFIRMING") {
+            if (state == "CONFIRMING") {
+                statusText += QString("Waiting for confirmations\n");
+            } else if (state == "TRADING") {
+                statusText += QString("Your transaction has been received and is confirmed. MorphToken is now executing your trade.\n"
+                                      "Usually this step takes no longer than a minute, "
+                                      "but in rare cases it can take a couple hours.\n"
+                                      "Wait a bit before contacting support.\n");
+            }
+            statusText += QString("Converting %1 to %2\n").arg(input["asset"].toString(), output["asset"].toString());
+            statusText += QString("Sending to %1\n").arg(output["address"].toString());
+            statusText += QString("Stuck? Contact support at contact@morphtoken.com");
+        } else if (state == "COMPLETE") {
+            if (output["txid"].toString().isEmpty()) {
+                statusText += QString("MorphToken is sending your transaction.\n");
+                statusText += QString("MorphToken will send %1 %2 to %2").arg(this->formatAmount(output["asset"].toString(), output["converted_amount"].toDouble() - output["network_fee"].toObject()["fee"].toDouble()),
+                                                                              output["asset"].toString(),
+                                                                              output["address"].toString());
+            } else {
+                statusText += QString("Sent %1 %2 to %3\ntxid: {}").arg(this->formatAmount(output["asset"].toString(), output["converted_amount"].toDouble() - output["network_fee"].toObject()["fee"].toDouble()),
+                                                                        output["asset"].toString(),
+                                                                        output["address"].toString(),
+                                                                        output["txid"].toString());
+            }
+        } else if (state == "PROCESSING_REFUND" || state == "COMPLETE_WITH_REFUND") {
+            statusText += QString("MorphToken will refund %1 %2\nReason: %3\n").arg(obj["final_amount"].toString(),
+                                                                                  obj["asset"].toString(),
+                                                                                  obj["reason"].toString());
+
+            if (obj.contains("txid")) {
+                statusText += QString("txid: %1").arg(obj["txid"].toString());
+            }
+        } else if (state == "COMPLETE_WITHOUT_REFUND") {
+            statusText += "Deposit amount below network fee, too small to refund.";
+        }
+
+        ui->label_status->setText(statusText);
+    }
+
+    if (resp.endpoint == MorphTokenApi::Endpoint::CREATE_TRADE) {
+        QMessageBox::information(this, "MorphToken", "Trade created!\n\nMake sure to save your Morph ID. You may need it in case something goes wrong.");
+    }
+}
+
+void MorphTokenWidget::onCountdown() {
+    if (m_countdown > 0) {
+        m_countdown -= 1;
+    } else {
+        this->lookupTrade();
+        m_countdown = 30;
+    }
+    ui->check_autorefresh->setText(QString("Autorefresh (%1)").arg(m_countdown));
+}
+
+QString MorphTokenWidget::formatAmount(const QString &asset, double amount) {
+    double displayAmount;
+    double div;
+
+    if (asset == "ETH")
+        div = 1e18;
+    else if (asset == "XMR")
+        div = 1e12;
+    else
+        div = 1e8;
+
+    displayAmount = amount / div;
+
+    return QString::number(displayAmount, 'f', 8);
+}
+
+MorphTokenWidget::~MorphTokenWidget() {
+    delete ui;
+}

src/MorphTokenWidget.h

@@ -0,0 +1,41 @@
+// SPDX-License-Identifier: BSD-3-Clause
+// Copyright (c) 2020, The Monero Project.
+
+#ifndef FEATHER_MORPHTOKENWIDGET_H
+#define FEATHER_MORPHTOKENWIDGET_H
+
+#include <QWidget>
+#include "appcontext.h"
+#include "utils/MorphTokenApi.h"
+
+namespace Ui {
+    class MorphTokenWidget;
+}
+
+class MorphTokenWidget : public QWidget
+{
+Q_OBJECT
+
+public:
+    explicit MorphTokenWidget(QWidget *parent = nullptr);
+    ~MorphTokenWidget() override;
+
+private:
+    void createTrade();
+    void lookupTrade();
+    void onApiResponse(const MorphTokenApi::MorphTokenResponse &resp);
+
+    void onCountdown();
+
+    QString formatAmount(const QString &asset, double amount);
+
+    Ui::MorphTokenWidget *ui;
+
+    AppContext *m_ctx;
+    MorphTokenApi *m_api;
+    UtilsNetworking *m_network;
+    QTimer m_countdownTimer;
+    int m_countdown = 30;
+};
+
+#endif //FEATHER_MORPHTOKENWIDGET_H

src/MorphTokenWidget.ui

@@ -0,0 +1,348 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>MorphTokenWidget</class>
+ <widget class="QWidget" name="MorphTokenWidget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>1036</width>
+    <height>614</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout_2">
+   <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>
+    <widget class="QTabWidget" name="tabWidget">
+     <property name="currentIndex">
+      <number>0</number>
+     </property>
+     <widget class="QWidget" name="tabCreateTrade">
+      <attribute name="title">
+       <string>Create trade</string>
+      </attribute>
+      <layout class="QVBoxLayout" name="verticalLayout_3">
+       <item>
+        <layout class="QHBoxLayout" name="horizontalLayout">
+         <item>
+          <widget class="QLabel" name="label">
+           <property name="sizePolicy">
+            <sizepolicy hsizetype="Maximum" vsizetype="Preferred">
+             <horstretch>0</horstretch>
+             <verstretch>0</verstretch>
+            </sizepolicy>
+           </property>
+           <property name="text">
+            <string>From:</string>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <widget class="QComboBox" name="combo_From">
+           <item>
+            <property name="text">
+             <string>XMR</string>
+            </property>
+           </item>
+           <item>
+            <property name="text">
+             <string>BTC</string>
+            </property>
+           </item>
+           <item>
+            <property name="text">
+             <string>ETH</string>
+            </property>
+           </item>
+           <item>
+            <property name="text">
+             <string>BCH</string>
+            </property>
+           </item>
+           <item>
+            <property name="text">
+             <string>LTC</string>
+            </property>
+           </item>
+           <item>
+            <property name="text">
+             <string>DASH</string>
+            </property>
+           </item>
+          </widget>
+         </item>
+         <item>
+          <widget class="QLabel" name="label_2">
+           <property name="sizePolicy">
+            <sizepolicy hsizetype="Maximum" vsizetype="Preferred">
+             <horstretch>0</horstretch>
+             <verstretch>0</verstretch>
+            </sizepolicy>
+           </property>
+           <property name="text">
+            <string>To:</string>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <widget class="QComboBox" name="combo_To">
+           <item>
+            <property name="text">
+             <string>XMR</string>
+            </property>
+           </item>
+           <item>
+            <property name="text">
+             <string>BTC</string>
+            </property>
+           </item>
+           <item>
+            <property name="text">
+             <string>ETH</string>
+            </property>
+           </item>
+           <item>
+            <property name="text">
+             <string>BCH</string>
+            </property>
+           </item>
+           <item>
+            <property name="text">
+             <string>LTC</string>
+            </property>
+           </item>
+           <item>
+            <property name="text">
+             <string>DASH</string>
+            </property>
+           </item>
+          </widget>
+         </item>
+         <item>
+          <spacer name="horizontalSpacer_2">
+           <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>
+        <layout class="QFormLayout" name="formLayout">
+         <item row="0" column="0">
+          <widget class="QLabel" name="label_refundAddress">
+           <property name="text">
+            <string>Refund address (XMR):</string>
+           </property>
+          </widget>
+         </item>
+         <item row="0" column="1">
+          <widget class="QLineEdit" name="line_refundAddress"/>
+         </item>
+         <item row="1" column="0">
+          <widget class="QLabel" name="label_destinationAddress">
+           <property name="text">
+            <string>Destination address (XMR):</string>
+           </property>
+          </widget>
+         </item>
+         <item row="1" column="1">
+          <widget class="QLineEdit" name="line_destinationAddress"/>
+         </item>
+        </layout>
+       </item>
+       <item>
+        <layout class="QHBoxLayout" name="horizontalLayout_2">
+         <item>
+          <widget class="QLabel" name="label_4">
+           <property name="enabled">
+            <bool>false</bool>
+           </property>
+           <property name="text">
+            <string>Powered by MorphToken.com</string>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <spacer name="horizontalSpacer">
+           <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="QPushButton" name="btnCreateTrade">
+           <property name="text">
+            <string>Create Trade</string>
+           </property>
+          </widget>
+         </item>
+        </layout>
+       </item>
+       <item>
+        <spacer name="verticalSpacer_2">
+         <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="tabLookupTrade">
+      <attribute name="title">
+       <string>Lookup trade</string>
+      </attribute>
+      <layout class="QVBoxLayout" name="verticalLayout_4">
+       <item>
+        <widget class="QLabel" name="label_3">
+         <property name="text">
+          <string>Morph ID or MorphToken deposit address:</string>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QLineEdit" name="line_Id"/>
+       </item>
+       <item>
+        <layout class="QHBoxLayout" name="horizontalLayout_3">
+         <item>
+          <widget class="QCheckBox" name="check_autorefresh">
+           <property name="enabled">
+            <bool>false</bool>
+           </property>
+           <property name="text">
+            <string>Autorefresh</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="QPushButton" name="btn_lookupTrade">
+           <property name="enabled">
+            <bool>false</bool>
+           </property>
+           <property name="text">
+            <string>Lookup trade</string>
+           </property>
+          </widget>
+         </item>
+        </layout>
+       </item>
+       <item>
+        <widget class="Line" name="line_2">
+         <property name="orientation">
+          <enum>Qt::Horizontal</enum>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QGroupBox" name="trade">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Preferred" vsizetype="Expanding">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
+         <property name="title">
+          <string>Trade</string>
+         </property>
+         <layout class="QVBoxLayout" name="verticalLayout_5">
+          <item>
+           <widget class="QLabel" name="label_status">
+            <property name="text">
+             <string>No trade loaded.</string>
+            </property>
+            <property name="textInteractionFlags">
+             <set>Qt::LinksAccessibleByMouse|Qt::TextSelectableByMouse</set>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <spacer name="verticalSpacer">
+            <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>
+       </item>
+      </layout>
+     </widget>
+     <widget class="QWidget" name="tabDebug">
+      <attribute name="title">
+       <string>Debug</string>
+      </attribute>
+      <layout class="QVBoxLayout" name="verticalLayout_6">
+       <item>
+        <widget class="QPlainTextEdit" name="debugInfo">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
+         <property name="readOnly">
+          <bool>true</bool>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </widget>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

src/appcontext.cpp

@@ -181,7 +181,7 @@ void AppContext::initTor() {
     this->tor = new Tor(this, this);
     this->tor->start();
 
-    if (!(isTails || isWhonix)) {
+    if (!(isWhonix)) {
         auto networkProxy = new QNetworkProxy(QNetworkProxy::Socks5Proxy, Tor::torHost, Tor::torPort);
         this->network->setProxy(*networkProxy);
         if (m_wsUrl.host().endsWith(".onion"))

src/assets.qrc

@@ -48,6 +48,7 @@
     <file>assets/images/lock_icon.png</file>
     <file>assets/images/lock.svg</file>
     <file>assets/images/microphone.png</file>
+    <file>assets/images/morphtoken.png</file>
     <file>assets/images/network.png</file>
     <file>assets/images/offline_tx.png</file>
     <file>assets/images/person.svg</file>

src/mainwindow.cpp

@@ -406,6 +406,10 @@ void MainWindow::initMenu() {
     m_tabShowHideMapper["Calc"] = new ToggleTab(ui->tabCalc, "Calc", "Calc", ui->actionShow_calc, Config::showTabCalc);
     m_tabShowHideSignalMapper->setMapping(ui->actionShow_calc, "Calc");
 
+    connect(ui->actionShow_MorphToken, &QAction::triggered, m_tabShowHideSignalMapper, QOverload<>::of(&QSignalMapper::map));
+    m_tabShowHideMapper["MorphToken"] = new ToggleTab(ui->tabMorphToken, "MorphToken", "MorphToken", ui->actionShow_MorphToken, Config::showTabMorphToken);
+    m_tabShowHideSignalMapper->setMapping(ui->actionShow_MorphToken, "MorphToken");
+
 #if defined(XMRTO)
     connect(ui->actionShow_xmr_to, &QAction::triggered, m_tabShowHideSignalMapper, QOverload<>::of(&QSignalMapper::map));
     m_tabShowHideMapper["XMRto"] = new ToggleTab(ui->tabXmrTo, "XMRto", "XMR.to", ui->actionShow_xmr_to, Config::showTabXMRto);

src/mainwindow.h

@@ -76,6 +76,7 @@ public:
         RECEIVE,
         COINS,
         CALC,
+        MORPHTOKEN,
         XMR_TO,
         XMRIG
     };

src/mainwindow.ui

@@ -6,7 +6,7 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>894</width>
+    <width>1156</width>
     <height>496</height>
    </rect>
   </property>
@@ -238,6 +238,20 @@
         </item>
        </layout>
       </widget>
+      <widget class="QWidget" name="tabMorphToken">
+       <attribute name="icon">
+        <iconset resource="assets.qrc">
+         <normaloff>:/assets/images/morphtoken.png</normaloff>:/assets/images/morphtoken.png</iconset>
+       </attribute>
+       <attribute name="title">
+        <string>MorphToken</string>
+       </attribute>
+       <layout class="QVBoxLayout" name="verticalLayout_5">
+        <item>
+         <widget class="MorphTokenWidget" name="morphtokenWidget" native="true"/>
+        </item>
+       </layout>
+      </widget>
       <widget class="QWidget" name="tabXmrTo">
        <attribute name="icon">
         <iconset resource="assets.qrc">
@@ -304,7 +318,7 @@
     <rect>
      <x>0</x>
      <y>0</y>
-     <width>894</width>
+     <width>1156</width>
      <height>30</height>
     </rect>
    </property>
@@ -418,6 +432,7 @@
     </property>
     <addaction name="actionShow_Coins"/>
     <addaction name="actionShow_calc"/>
+    <addaction name="actionShow_MorphToken"/>
     <addaction name="actionShow_xmr_to"/>
     <addaction name="actionShow_XMRig"/>
    </widget>
@@ -670,6 +685,11 @@
     <string>Import transaction</string>
    </property>
   </action>
+  <action name="actionShow_MorphToken">
+   <property name="text">
+    <string>Show MorphToken</string>
+   </property>
+  </action>
  </widget>
  <layoutdefault spacing="6" margin="11"/>
  <customwidgets>
@@ -714,6 +734,12 @@
    <header>calcwidget.h</header>
    <container>1</container>
   </customwidget>
+  <customwidget>
+   <class>MorphTokenWidget</class>
+   <extends>QWidget</extends>
+   <header>MorphTokenWidget.h</header>
+   <container>1</container>
+  </customwidget>
  </customwidgets>
  <resources>
   <include location="assets.qrc"/>

src/utils/MorphTokenApi.cpp

@@ -0,0 +1,93 @@
+// SPDX-License-Identifier: BSD-3-Clause
+// Copyright (c) 2020, The Monero Project.
+
+#include "MorphTokenApi.h"
+
+MorphTokenApi::MorphTokenApi(QObject *parent, UtilsNetworking *network, QString baseUrl)
+        : QObject(parent)
+        , m_network(network)
+        , m_baseUrl(std::move(baseUrl))
+{
+}
+
+void MorphTokenApi::createTrade(const QString &inputAsset, const QString &outputAsset, const QString &refundAddress, const QString &outputAddress) {
+    QJsonObject trade;
+
+    QJsonObject input;
+    input["asset"] = inputAsset;
+    input["refund"] = refundAddress;
+
+    QJsonArray output;
+    QJsonObject outputObj;
+    outputObj["asset"] = outputAsset;
+    outputObj["weight"] = 10000;
+    outputObj["address"] = outputAddress;
+    output.append(outputObj);
+
+    trade["input"] = input;
+    trade["output"] = output;
+
+    QString url = QString("%1/morph").arg(m_baseUrl);
+    QNetworkReply *reply = m_network->postJson(url, trade);
+    connect(reply, &QNetworkReply::finished, std::bind(&MorphTokenApi::onResponse, this, reply, Endpoint::CREATE_TRADE));
+}
+
+void MorphTokenApi::getTrade(const QString &morphId) {
+    QString url = QString("%1/morph/%2").arg(m_baseUrl, morphId);
+    QNetworkReply *reply = m_network->getJson(url);
+    connect(reply, &QNetworkReply::finished, std::bind(&MorphTokenApi::onResponse, this, reply, Endpoint::GET_TRADE));
+}
+
+void MorphTokenApi::getRates() {
+    QString url = QString("%1/rates").arg(m_baseUrl);
+    QNetworkReply *reply = m_network->getJson(url);
+    connect(reply, &QNetworkReply::finished, std::bind(&MorphTokenApi::onResponse, this, reply, Endpoint::GET_RATES));
+}
+
+void MorphTokenApi::getLimits(const QString &inputAsset, const QString &outputAsset) {
+    QJsonObject limits;
+
+    QJsonObject input;
+    input["asset"] = inputAsset;
+
+    QJsonArray output;
+    QJsonObject outputObj;
+    outputObj["asset"] = outputAsset;
+    outputObj["weight"] = 10000;
+    output.append(outputObj);
+
+    limits["input"] = input;
+    limits["output"] = output;
+
+    QString url = QString("%1/limits").arg(m_baseUrl);
+    QNetworkReply *reply = m_network->postJson(url, limits);
+    connect(reply, &QNetworkReply::finished, std::bind(&MorphTokenApi::onResponse, this, reply, Endpoint::GET_LIMITS));
+}
+
+void MorphTokenApi::onResponse(QNetworkReply *reply, Endpoint endpoint) {
+    const auto ok = reply->error() == QNetworkReply::NoError;
+    const auto err = reply->errorString();
+
+    QByteArray data = reply->readAll();
+    QJsonObject obj;
+    if (!data.isEmpty() && Utils::validateJSON(data)) {
+        auto doc = QJsonDocument::fromJson(data);
+        obj = doc.object();
+    }
+    else if (!ok) {
+        emit ApiResponse(MorphTokenResponse(false, endpoint, err, {}));
+        return;
+    }
+    else {
+        emit ApiResponse(MorphTokenResponse(false, endpoint, "Invalid response from MorphToken", {}));
+        return;
+    }
+
+    if (obj.contains("success")) {
+        emit ApiResponse(MorphTokenResponse(false, endpoint, obj.value("description").toString(), obj));
+        return;
+    }
+
+    reply->deleteLater();
+    emit ApiResponse(MorphTokenResponse(true, endpoint, "", obj));
+}

src/utils/MorphTokenApi.h

@@ -0,0 +1,51 @@
+// SPDX-License-Identifier: BSD-3-Clause
+// Copyright (c) 2020, The Monero Project.
+
+#ifndef FEATHER_MORPHTOKENAPI_H
+#define FEATHER_MORPHTOKENAPI_H
+
+#include <QObject>
+#include <utility>
+#include "utils/networking.h"
+
+class MorphTokenApi : public QObject {
+    Q_OBJECT
+
+public:
+    enum Endpoint {
+        CREATE_TRADE = 0,
+        GET_TRADE,
+        GET_RATES,
+        GET_LIMITS
+    };
+
+    struct MorphTokenResponse {
+        explicit MorphTokenResponse(bool ok, Endpoint endpoint, QString message, QJsonObject obj)
+                : ok(ok), endpoint(endpoint), message(std::move(message)), obj(std::move(obj)) {};
+
+        bool ok;
+        Endpoint endpoint;
+        QString message;
+        QJsonObject obj;
+    };
+
+    explicit MorphTokenApi(QObject *parent, UtilsNetworking *network, QString baseUrl = "https://api.morphtoken.com");
+
+    void createTrade(const QString &inputAsset, const QString &outputAsset, const QString &refundAddress, const QString &outputAddress);
+    void getTrade(const QString &morphId);
+    void getRates();
+    void getLimits(const QString &inputAsset, const QString &outputAsset);
+
+signals:
+    void ApiResponse(MorphTokenResponse resp);
+
+private slots:
+    void onResponse(QNetworkReply *reply, Endpoint endpoint);
+
+private:
+    QString m_baseUrl;
+    UtilsNetworking *m_network;
+};
+
+
+#endif //FEATHER_MORPHTOKENAPI_H

src/utils/config.cpp

@@ -41,6 +41,7 @@ static const QHash<Config::ConfigKey, ConfigDirective> configStrings = {
         {Config::nodeSource,{QS("nodeSource"), 0}},
         {Config::useOnionNodes,{QS("useOnionNodes"), false}},
         {Config::showTabCoins,{QS("showTabCoins"), false}},
+        {Config::showTabMorphToken, {QS("showTabMorphToken"), false}},
         {Config::showTabXMRto,{QS("showTabXMRto"), true}},
         {Config::showTabXMRig,{QS("showTabXMRig"), false}},
         {Config::showTabCalc,{QS("showTabCalc"), true}},

src/utils/config.h

@@ -39,6 +39,7 @@ public:
         nodeSource,
         useOnionNodes,
         showTabCoins,
+        showTabMorphToken,
         showTabXMRto,
         showTabCalc,
         showTabXMRig,