[GUI] Add debugging UI for fetching accounts

programs/light_client/ClientDataModel.cpp

@@ -10,7 +10,7 @@ using namespace graphene::app;
 ChainDataModel::ChainDataModel( fc::thread& t, QObject* parent )
 :QObject(parent),m_thread(&t){}
 
-Account* ChainDataModel::getAccount(qint64 id) 
+Account* ChainDataModel::getAccount(qint64 id)
 {
    auto itr = m_accounts.find( id );
    if( itr != m_accounts.end() )
@@ -22,7 +22,7 @@ Account* ChainDataModel::getAccount(qint64 id)
    auto insert_result = m_accounts.insert( acct );
 
    /** execute in app thread */
-   m_thread->async( [=](){ 
+   m_thread->async( [=](){
       try {
         auto result = m_db_api->get_accounts( {account_id_type(id)} );
         if( result.size() && result.front().valid() )
@@ -30,7 +30,7 @@ Account* ChainDataModel::getAccount(qint64 id)
           QString name = QString::fromStdString( result.front()->name );
           /** execute in main */
           Q_EMIT queueExecute( [=](){
-             this->m_accounts.modify( insert_result.first, 
+             this->m_accounts.modify( insert_result.first,
                 [=]( Account* a ){ a->setProperty("name", name ); }
              );
           });
@@ -43,9 +43,10 @@ Account* ChainDataModel::getAccount(qint64 id)
              m_accounts.erase( insert_result.first );
           });
         }
-      } 
+      }
       catch ( const fc::exception& e )
       {
+         edump((e.to_detail_string()));
          Q_EMIT exceptionThrown( QString::fromStdString(e.to_string()) );
       }
    });
@@ -53,7 +54,7 @@ Account* ChainDataModel::getAccount(qint64 id)
    return acct;
 }
 
-Account* ChainDataModel::getAccount(QString name) 
+Account* ChainDataModel::getAccount(QString name)
 {
    auto itr = m_accounts.get<::by_name>().find(name);
    if( itr != m_accounts.get<::by_name>().end() )
@@ -61,23 +62,22 @@ Account* ChainDataModel::getAccount(QString name)
       return *itr;
    }
 
-
    auto acct = new Account(this);
    acct->setProperty("id", --m_account_query_num );
    acct->setProperty("name", name);
    auto insert_result = m_accounts.insert( acct );
 
    /** execute in app thread */
-   m_thread->async( [=](){ 
+   m_thread->async( [=](){
       try {
         auto result = m_db_api->lookup_account_names( {name.toStdString()} );
         if( result.size() && result.front().valid() )
         {
           /** execute in main */
           Q_EMIT queueExecute( [=](){
-             this->m_accounts.modify( insert_result.first, 
-                [=]( Account* a ){ 
-                   a->setProperty("id", result.front()->id.instance() ); 
+             this->m_accounts.modify( insert_result.first,
+                [=]( Account* a ){
+                   a->setProperty("id", result.front()->id.instance() );
                 }
              );
           });
@@ -90,14 +90,15 @@ Account* ChainDataModel::getAccount(QString name)
              m_accounts.erase( insert_result.first );
           });
         }
-      } 
+      }
       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(qint64 id MEMBER id)
+   Q_PROPERTY(QString name MEMBER name NOTIFY nameChanged)
+   Q_PROPERTY(qint64 id MEMBER id NOTIFY idChanged)
    Q_PROPERTY(QQmlListProperty<Balance> balances READ balances)
 
    QString name;
@@ -63,9 +63,13 @@ public:
    qint64        getId()const   { return id;   }
 
    QQmlListProperty<Balance> balances();
+
+signals:
+   void nameChanged();
+   void idChanged();
 };
 
-struct by_id; 
+struct by_id;
 struct by_name;
 /**
  * @ingroup object_index

programs/light_client/qml/main.qml

@@ -38,13 +38,41 @@ ApplicationWindow {
       id: appSettings
       category: "appSettings"
    }
+   Connections {
+      target: app
+      onExceptionThrown: console.log("Exception from app: " + message)
+   }
 
-   Button {
-      text: "Transfer"
+   Column {
       anchors.centerIn: parent
-      onClicked: formBox.showForm(Qt.createComponent("TransferForm.qml"), function() {
-         console.log("Closed form")
-      })
+      Button {
+         text: "Transfer"
+         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 {