Recurring (#131)

* Save created recurring info

* Add to confirm dialog

* Update RPI at confirm

* Make singleton

* Add history to recurring payments

* USD/ZEC switch

* Fix check state

* recurring item serialization

* Add recurring payments to file

* Refactor

* Address view model

* Wire up dialog

* Update windows installer logos

* Store all payments in the store

* Save table geometry

* Add recurring payments view

* Add deletion

* Add recurring payment execution

* Add donation address to address book

* Add multiple payment handling

* Disable recurring for multiple payments

* Handle pay last

* Handle pay all

* Reomve frequency

* Enable recurring payments only for testnet

* For testing, allow payments in 5 min intervals

* Fix request money amounts

src/settings.cpp

@@ -161,9 +161,15 @@ void Settings::saveRestore(QDialog* d) {
 }
 
 QString Settings::getUSDFormat(double bal) {
-    return "$" + QLocale(QLocale::English).toString(bal * Settings::getInstance()->getZECPrice(), 'f', 2);
+    return "$" + QLocale(QLocale::English).toString(bal, 'f', 2);
 }
 
+
+QString Settings::getUSDFromZecAmount(double bal) {
+    return getUSDFormat(bal * Settings::getInstance()->getZECPrice());
+}
+
+
 QString Settings::getDecimalString(double amt) {
     QString f = QString::number(amt, 'f', 8);
 
@@ -182,9 +188,9 @@ QString Settings::getZECDisplayFormat(double bal) {
 }
 
 QString Settings::getZECUSDDisplayFormat(double bal) {
-    auto usdFormat = getUSDFormat(bal);
+    auto usdFormat = getUSDFromZecAmount(bal);
     if (!usdFormat.isEmpty())
-        return getZECDisplayFormat(bal) % " (" % getUSDFormat(bal) % ")";
+        return getZECDisplayFormat(bal) % " (" % usdFormat % ")";
     else
         return getZECDisplayFormat(bal);
 }