Write support for tx notes

Support still needs adding for displaying them in the history,
but at least they're saved in the cache now, and not ignored.

BasicPanel.qml

@@ -47,13 +47,13 @@ Rectangle {
     property alias unlockedBalanceText : availableBalanceText.text;
     // repeating signal to the outside world
     signal paymentClicked(string address, string paymentId, double amount, int mixinCount,
-                          int priority)
+                          int priority, string description)
 
     Connections {
         target: transferBasic
         onPaymentClicked: {
             console.log("BasicPanel: paymentClicked")
-            root.paymentClicked(address, paymentId, amount, mixinCount, priority)
+            root.paymentClicked(address, paymentId, amount, mixinCount, priority, description)
         }
     }
 

MiddlePanel.qml

@@ -49,7 +49,7 @@ Rectangle {
     property Settings settingsView: Settings { }
 
 
-    signal paymentClicked(string address, string paymentId, double amount, int mixinCount, int priority)
+    signal paymentClicked(string address, string paymentId, double amount, int mixinCount, int priority, string description)
     signal generatePaymentIdInvoked()
 
     // Disable transfer page if daemon isnt fully synced
@@ -297,7 +297,7 @@ Rectangle {
         target: transferView
         onPaymentClicked : {
             console.log("MiddlePanel: paymentClicked")
-            paymentClicked(address, paymentId, amount, mixinCount, priority)
+            paymentClicked(address, paymentId, amount, mixinCount, priority, description)
         }
     }
 }

main.qml

@@ -52,6 +52,7 @@ ApplicationWindow {
     property alias persistentSettings : persistentSettings
     property var currentWallet;
     property var transaction;
+    property var transactionDescription;
     property alias password : passwordDialog.password
     property int splashCounter: 0
     property bool isNewWallet: false
@@ -346,13 +347,14 @@ ApplicationWindow {
 
 
     // called on "transfer"
-    function handlePayment(address, paymentId, amount, mixinCount, priority) {
+    function handlePayment(address, paymentId, amount, mixinCount, priority, description) {
         console.log("Creating transaction: ")
         console.log("\taddress: ", address,
                     ", payment_id: ", paymentId,
                     ", amount: ", amount,
                     ", mixins: ", mixinCount,
-                    ", priority: ", priority);
+                    ", priority: ", priority,
+                    ", description: ", description);
 
 
         // validate amount;
@@ -398,6 +400,8 @@ ApplicationWindow {
             console.log("Transaction created, amount: " + walletManager.displayAmount(transaction.amount)
                     + ", fee: " + walletManager.displayAmount(transaction.fee));
 
+            transactionDescription = description;
+
             // here we show confirmation popup;
 
             transactionConfirmationPopup.title = qsTr("Confirmation") + translationManager.emptyString
@@ -407,6 +411,7 @@ ApplicationWindow {
                         + qsTr("\n\nAmount: ") + walletManager.displayAmount(transaction.amount)
                         + qsTr("\nFee: ") + walletManager.displayAmount(transaction.fee)
                         + qsTr("\n\nMixin: ") + mixinCount
+                        + qsTr("\n\nDescription: ") + description
                         + translationManager.emptyString
             transactionConfirmationPopup.icon = StandardIcon.Question
             transactionConfirmationPopup.open()
@@ -416,6 +421,16 @@ ApplicationWindow {
 
     // called after user confirms transaction
     function handleTransactionConfirmed() {
+        // grab transaction.txid before commit, since it clears it.
+        // we actually need to copy it, because QML will incredibly
+        // call the function multiple times when the variable is used
+        // after commit, where it returns another result...
+        // Of course, this loop is also calling the function multiple
+        // times, but at least with the same result.
+        var txid = [], txid_org = transaction.txid, txid_text = ""
+        for (var i = 0; i < txid_org.length; ++i)
+          txid[i] = txid_org[i]
+
         if (!transaction.commit()) {
             console.log("Error committing transaction: " + transaction.errorString);
             informationPopup.title = qsTr("Error") + translationManager.emptyString
@@ -423,8 +438,17 @@ ApplicationWindow {
             informationPopup.icon  = StandardIcon.Critical
         } else {
             informationPopup.title = qsTr("Information") + translationManager.emptyString
-            informationPopup.text  = qsTr("Money sent successfully") + translationManager.emptyString
+            for (var i = 0; i < txid.length; ++i) {
+                if (txid_text.length > 0)
+                    txid_text += ", "
+                txid_text += txid[i]
+            }
+            informationPopup.text  = qsTr("Money sent successfully: %1 transaction(s) ").arg(txid.length) + txid_text + translationManager.emptyString
             informationPopup.icon  = StandardIcon.Information
+            if (transactionDescription.length > 0) {
+                for (var i = 0; i < txid.length; ++i)
+                  currentWallet.setUserNote(txid[i], transactionDescription);
+            }
         }
         informationPopup.onCloseCallback = null
         informationPopup.open()

pages/Transfer.qml

@@ -34,7 +34,7 @@ import "../components"
 Rectangle {
     id: root
     signal paymentClicked(string address, string paymentId, double amount, int mixinCount,
-                          int priority)
+                          int priority, string description)
 
     color: "#F0EEEE"
 
@@ -277,7 +277,7 @@ Rectangle {
             addressLine.text = addressLine.text.trim()
             paymentIdLine.text = paymentIdLine.text.trim()
             root.paymentClicked(addressLine.text, paymentIdLine.text, amountLine.text, scaleValueToMixinCount(privacyLevelItem.fillLevel),
-                           priority)
+                           priority, descriptionLine.text)
 
         }
     }

src/libwalletqt/PendingTransaction.cpp

@@ -31,6 +31,15 @@ quint64 PendingTransaction::fee() const
     return m_pimpl->fee();
 }
 
+QList<QString> PendingTransaction::txid() const
+{
+    QList<QString> list;
+    std::vector<std::string> txid = m_pimpl->txid();
+    for (const auto &t: txid)
+        list.append(QString::fromStdString(t));
+    return list;
+}
+
 PendingTransaction::PendingTransaction(Bitmonero::PendingTransaction *pt, QObject *parent)
     : QObject(parent), m_pimpl(pt)
 {

src/libwalletqt/PendingTransaction.h

@@ -17,6 +17,7 @@ class PendingTransaction : public QObject
     Q_PROPERTY(quint64 amount READ amount)
     Q_PROPERTY(quint64 dust READ dust)
     Q_PROPERTY(quint64 fee READ fee)
+    Q_PROPERTY(QList<QString> txid READ txid)
 
 public:
     enum Status {
@@ -39,6 +40,7 @@ public:
     quint64 amount() const;
     quint64 dust() const;
     quint64 fee() const;
+    QList<QString> txid() const;
 private:
     explicit PendingTransaction(Bitmonero::PendingTransaction * pt, QObject *parent = 0);
 

src/libwalletqt/Wallet.cpp

@@ -260,6 +260,15 @@ void Wallet::setPaymentId(const QString &paymentId)
     m_paymentId = paymentId;
 }
 
+bool Wallet::setUserNote(const QString &txid, const QString &note)
+{
+  return m_walletImpl->setUserNote(txid.toStdString(), note.toStdString());
+}
+
+QString Wallet::getUserNote(const QString &txid) const
+{
+  return QString::fromStdString(m_walletImpl->getUserNote(txid.toStdString()));
+}
 
 Wallet::Wallet(Bitmonero::Wallet *w, QObject *parent)
     : QObject(parent)

src/libwalletqt/Wallet.h

@@ -138,6 +138,9 @@ public:
 
     void setPaymentId(const QString &paymentId);
 
+    Q_INVOKABLE bool setUserNote(const QString &txid, const QString &note);
+    Q_INVOKABLE QString getUserNote(const QString &txid) const;
+
     // TODO: setListenter() when it implemented in API
 signals:
     // emitted on every event happened with wallet