Add JPY, KRW, RUB, SGD and render currency symbols correctly

src/rpc.cpp

@@ -1093,7 +1093,7 @@ void RPC::refreshPrice() {
         return noConnection();
 
     // TODO: use/render all this data
-    QString price_feed = "https://api.coingecko.com/api/v3/simple/price?ids=hush&vs_currencies=btc%2Cusd%2Ceur%2Ceth%2Cgbp%2Ccny%2Cjpy%2Crub%2Ccad%2Csgd%2Cchf%2Cinr%2Caud%2Cinr&include_market_cap=true&include_24hr_vol=true&include_24hr_change=true";
+    QString price_feed = "https://api.coingecko.com/api/v3/simple/price?ids=hush&vs_currencies=btc%2Cusd%2Ceur%2Ceth%2Cgbp%2Ccny%2Cjpy%2Crub%2Ccad%2Csgd%2Cchf%2Cinr%2Caud%2Cinr%2Ckrw&include_market_cap=true&include_24hr_vol=true&include_24hr_change=true";
     QUrl cmcURL(price_feed);
     QNetworkRequest req;
     req.setUrl(cmcURL);

src/settings.cpp

@@ -280,7 +280,8 @@ void Settings::saveRestore(QDialog* d) {
 }
 
 QString Settings::getUSDFormat(double bal) {
-    return "$" + QLocale(QLocale::English).toString(bal * Settings::getInstance()->getZECPrice(), 'f', 2);
+    //TODO: respect current locale!
+    return QLocale(QLocale::English).toString(bal * Settings::getInstance()->getZECPrice(), 'f', 2) + " " + QString::fromStdString(Settings::getInstance()->get_currency_name());
 }
 
 QString Settings::getDecimalString(double amt) {

src/settings.ui

@@ -200,11 +200,6 @@
          <string>AUD</string>
         </property>
        </item>
-       <item>
-        <property name="text">
-         <string>BTC</string>
-        </property>
-       </item>
        <item>
         <property name="text">
          <string>CAD</string>
@@ -235,6 +230,26 @@
          <string>INR</string>
         </property>
        </item>
+       <item>
+        <property name="text">
+         <string>JPY</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>KRW</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>RUB</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>SGD</string>
+        </property>
+       </item>
        <item>
         <property name="text">
          <string>USD</string>