[GUI] Add debugging UI for fetching accounts

programs/light_client/ClientDataModel.cpp

@@ -46,6 +46,7 @@ Account* ChainDataModel::getAccount(qint64 id)
       }
       catch ( const fc::exception& e )
       {
+         edump((e.to_detail_string()));
          Q_EMIT exceptionThrown( QString::fromStdString(e.to_string()) );
       }
    });
@@ -61,7 +62,6 @@ Account* ChainDataModel::getAccount(QString name)
       return *itr;
    }
 
-
    auto acct = new Account(this);
    acct->setProperty("id", --m_account_query_num );
    acct->setProperty("name", name);
@@ -93,11 +93,12 @@ Account* ChainDataModel::getAccount(QString name)
       }
       catch ( const fc::exception& e )
       {
+         edump((e.to_detail_string()));
          Q_EMIT exceptionThrown( QString::fromStdString(e.to_string()) );
       }
    });
 
-   return nullptr;
+   return acct;
 }
 
 QQmlListProperty<Balance> Account::balances()

programs/light_client/ClientDataModel.hpp

@@ -47,8 +47,8 @@ class Balance : public QObject {
 class Account : public QObject {
    Q_OBJECT
 
-   Q_PROPERTY(QString name MEMBER name)
+   Q_PROPERTY(QString name MEMBER name NOTIFY nameChanged)
-   Q_PROPERTY(qint64 id MEMBER id)
+   Q_PROPERTY(qint64 id MEMBER id NOTIFY idChanged)
    Q_PROPERTY(QQmlListProperty<Balance> balances READ balances)
 
    QString name;
@@ -63,6 +63,10 @@ public:
    qint64        getId()const   { return id;   }
 
    QQmlListProperty<Balance> balances();
+
+signals:
+   void nameChanged();
+   void idChanged();
 };
 
 struct by_id;

programs/light_client/qml/main.qml

@@ -38,14 +38,42 @@ ApplicationWindow {
       id: appSettings
       category: "appSettings"
    }
+   Connections {
+      target: app
+      onExceptionThrown: console.log("Exception from app: " + message)
+   }
 
+   Column {
+      anchors.centerIn: parent
       Button {
          text: "Transfer"
-      anchors.centerIn: parent
          onClicked: formBox.showForm(Qt.createComponent("TransferForm.qml"), function() {
             console.log("Closed form")
          })
       }
+      TextField {
+         id: nameField
+         onAccepted: lookupButton.clicked()
+         focus: true
+      }
+      Button {
+         id: lookupButton
+         text: "Lookup"
+         onClicked: {
+            var acct = app.model.getAccount(nameField.text)
+            // @disable-check M126
+            if (acct == null)
+               console.log("Got back null account")
+            else if (acct.id >= 0)
+               console.log(JSON.stringify(acct))
+            else
+               console.log("Waiting for result...")
+               acct.idChanged.connect(function(loadedAcct) {
+                  console.log(JSON.stringify(loadedAcct))
+               })
+         }
+      }
+   }
 
    FormBox {
       id: formBox