Add sapling support while generating addresses

src/settings.cpp

@@ -152,6 +152,11 @@ void Settings::setTestnet(bool isTestnet) {
 	this->_isTestnet = isTestnet;
 }
 
+bool Settings::isSaplingAddress(QString addr) {
+	return ( isTestnet() && addr.startsWith("ztestsapling")) ||
+	       (!isTestnet() && addr.startsWith("zs"));
+}
+
 bool Settings::isSyncing() {
 	return _isSyncing;
 }
@@ -160,6 +165,19 @@ void Settings::setSyncing(bool syncing) {
 	this->_isSyncing = syncing;
 }
 
+int Settings::getBlockNumber() {
+	return this->_blockNumber;
+}
+
+void Settings::setBlockNumber(int number) {
+	this->_blockNumber = number;
+}
+
+bool Settings::isSaplingActive() {
+	return  (isTestnet() && getBlockNumber() > 280000) ||
+	       (!isTestnet() && getBlockNumber() > 419200);
+}
+
 double Settings::getZECPrice() { 
 	return zecPrice; 
 }