Transfer page: validate amount

2 files changed, 21 insertions, 6 deletions

diff --git a/src/libwalletqt/WalletManager.cpp b/src/libwalletqt/WalletManager.cpp
index 947ccbfb..a9f332a3 100644
--- a/src/libwalletqt/WalletManager.cpp
+++ b/src/libwalletqt/WalletManager.cpp
@@ -122,17 +122,27 @@ QString WalletManager::walletLanguage(const QString &locale)
     return "English";
 }
 
-QString WalletManager::displayAmount(quint64 amount)
+quint64 WalletManager::maximumAllowedAmount() const
+{
+    return Bitmonero::Wallet::maximumAllowedAmount();
+}
+
+QString WalletManager::maximumAllowedAmountAsSting() const
+{
+    return WalletManager::displayAmount(WalletManager::maximumAllowedAmount());
+}
+
+QString WalletManager::displayAmount(quint64 amount) const
 {
     return QString::fromStdString(Bitmonero::Wallet::displayAmount(amount));
 }
 
-quint64 WalletManager::amountFromString(const QString &amount)
+quint64 WalletManager::amountFromString(const QString &amount) const
 {
     return Bitmonero::Wallet::amountFromString(amount.toStdString());
 }
 
-quint64 WalletManager::amountFromDouble(double amount)
+quint64 WalletManager::amountFromDouble(double amount) const
 {
     return Bitmonero::Wallet::amountFromDouble(amount);
 }
diff --git a/src/libwalletqt/WalletManager.h b/src/libwalletqt/WalletManager.h
index 1866b7cd..3629242a 100644
--- a/src/libwalletqt/WalletManager.h
+++ b/src/libwalletqt/WalletManager.h
@@ -12,6 +12,7 @@ namespace Bitmonero {
 class WalletManager : public QObject
 {
     Q_OBJECT
+
 public:
     enum LogLevel {
         LogLevel_Silent = Bitmonero::WalletManagerFactory::LogLevel_Silent,
@@ -79,9 +80,13 @@ public:
 
 
     //! since we can't call static method from QML, move it to this class
-    Q_INVOKABLE QString displayAmount(quint64 amount);
-    Q_INVOKABLE quint64 amountFromString(const QString &amount);
-    Q_INVOKABLE quint64 amountFromDouble(double amount);
+    Q_INVOKABLE QString displayAmount(quint64 amount) const;
+    Q_INVOKABLE quint64 amountFromString(const QString &amount) const;
+    Q_INVOKABLE quint64 amountFromDouble(double amount) const;
+    Q_INVOKABLE quint64 maximumAllowedAmount() const;
+
+    // QML JS engine doesn't support unsigned integers
+    Q_INVOKABLE QString maximumAllowedAmountAsSting() const;
 
     void setLogLevel(int logLevel);