State dumping in UI.

alethzero/Main.ui

@@ -168,6 +168,10 @@
      <addaction name="dumpTrace"/>
      <addaction name="dumpTraceStorage"/>
     </widget>
+    <addaction name="debugCurrent"/>
+    <addaction name="debugDumpState"/>
+    <addaction name="debugDumpStatePre"/>
+    <addaction name="separator"/>
     <addaction name="debugStep"/>
     <addaction name="debugStepInto"/>
     <addaction name="debugStepOut"/>
@@ -180,7 +184,6 @@
     <addaction name="killBlockchain"/>
     <addaction name="inject"/>
     <addaction name="clearPending"/>
-    <addaction name="debugCurrent"/>
    </widget>
    <addaction name="menu_File"/>
    <addaction name="menu_Network"/>
@@ -1621,6 +1624,22 @@ font-size: 14pt</string>
     <string>Debu&amp;g Current Transaction</string>
    </property>
   </action>
+  <action name="debugDumpState">
+   <property name="enabled">
+    <bool>false</bool>
+   </property>
+   <property name="text">
+    <string>D&amp;ump Current Transaction State (post)</string>
+   </property>
+  </action>
+  <action name="debugDumpStatePre">
+   <property name="enabled">
+    <bool>false</bool>
+   </property>
+   <property name="text">
+    <string>D&amp;ump Current Transaction State (pre)</string>
+   </property>
+  </action>
  </widget>
  <layoutdefault spacing="6" margin="11"/>
  <customwidgets>

alethzero/MainWin.cpp

@@ -840,6 +840,8 @@ void Main::on_blocks_currentItemChanged()
 {
 	ui->info->clear();
 	ui->debugCurrent->setEnabled(false);
+	ui->debugDumpState->setEnabled(false);
+	ui->debugDumpStatePre->setEnabled(false);
 	eth::ClientGuard g(m_client.get());
 	if (auto item = ui->blocks->currentItem())
 	{
@@ -910,12 +912,11 @@ void Main::on_blocks_currentItemChanged()
 			eth::State before = st.fromPending(txi);
 			eth::State after = st.fromPending(txi + 1);
 			s << renderDiff(before.diff(after));
-//			cerr << "State dump *********************************" << endl << after << "*********************************************" << endl;
-
 			ui->debugCurrent->setEnabled(true);
+			ui->debugDumpState->setEnabled(true);
+			ui->debugDumpStatePre->setEnabled(true);
 		}
 
-
 		ui->info->appendHtml(QString::fromStdString(s.str()));
 	}
 }
@@ -943,6 +944,34 @@ void Main::on_debugCurrent_triggered()
 	}
 }
 
+void Main::on_debugDumpState_triggered(int _add)
+{
+	eth::ClientGuard g(m_client.get());
+	if (auto item = ui->blocks->currentItem())
+	{
+		auto hba = item->data(Qt::UserRole).toByteArray();
+		assert(hba.size() == 32);
+		auto h = h256((byte const*)hba.data(), h256::ConstructFromPointer);
+
+		if (!item->data(Qt::UserRole + 1).isNull())
+		{
+			QString fn = QFileDialog::getSaveFileName(this, "Select file to output state dump");
+			ofstream f(fn.toStdString());
+			if (f.is_open())
+			{
+				eth::State st(m_client->state().db(), m_client->blockChain(), h);
+				unsigned txi = item->data(Qt::UserRole + 1).toInt();
+				f << st.fromPending(txi + _add) << endl;
+			}
+		}
+	}
+}
+
+void Main::on_debugDumpStatePre_triggered()
+{
+	on_debugDumpState_triggered(0);
+}
+
 void Main::populateDebugger(eth::bytesConstRef _r)
 {
 	bool done = m_currentExecution->setup(_r);

alethzero/MainWin.h

@@ -131,6 +131,8 @@ private slots:
 	void on_debugStepBackInto_triggered();
 	void on_callStack_currentItemChanged();
 	void on_debugCurrent_triggered();
+	void on_debugDumpState_triggered(int _add = 1);
+	void on_debugDumpStatePre_triggered();
 
 	void refresh(bool _override = false);
 	void refreshNetwork();