Delete temp database after unit test

ethereumj-core/src/main/java/org/ethereum/config/SystemProperties.java

@@ -27,6 +27,7 @@ public class SystemProperties {
     private static String  DEFAULT_SAMPLES_DIR = "samples";
     private static String  DEFAULT_COINBASE_SECRET = "monkey";
     private static int     DEFAULT_ACTIVE_PEER_CHANNEL_TIMEOUT = 5;
+    private static Boolean DEFAULT_DB_RESET = false;
     private static Boolean DEFAULT_DUMP_FULL = false;
     private static String  DEFAULT_DUMP_DIR = "dmp";
     private static Boolean DEFAULT_DUMP_CLEAN_ON_RESTART = true;
@@ -38,10 +39,10 @@ public class SystemProperties {
     public SystemProperties() {
         
     	try {
-            File file = null;
-            String dir = System.getProperty("user.dir");
-            String fileName = dir + "/config/system.properties";
-            file = new File(fileName);
+            String userDir = System.getProperty("user.dir");
+            System.out.println(userDir);
+            String fileName = userDir + "/config/system.properties";
+            File file = new File(fileName);
 
             if (file.exists()) {
                 input = new FileInputStream(file);
@@ -103,7 +104,7 @@ public class SystemProperties {
     }
        
     public boolean databaseReset() {
-        if(prop.isEmpty()) return false;
+        if(prop.isEmpty()) return DEFAULT_DB_RESET;
         return Boolean.parseBoolean(prop.getProperty("database.reset"));
     }
 

ethereumj-core/src/main/java/org/ethereum/gui/ContractCallDialog.java

@@ -22,7 +22,6 @@ import javax.swing.table.DefaultTableModel;
 
 import java.awt.*;
 import java.awt.event.*;
-import java.io.Serializable;
 import java.math.BigInteger;
 import java.net.URL;
 import java.util.Collection;
@@ -156,6 +155,7 @@ class ContractCallDialog extends JDialog implements MessageAwareDialog {
         gasInput.setText("1000");
 
 		JComboBox<AccountWrapper> creatorAddressCombo = new JComboBox<AccountWrapper>() {
+			private static final long serialVersionUID = -3748305421049121671L;
 			@Override
 			public ComboBoxUI getUI() {
 				return super.getUI();

ethereumj-core/src/main/resources/system.properties

@@ -23,11 +23,11 @@ peer.discovery.port = 30303
 #peer.active.ip = 131.104.247.135
 #peer.active.port = 30303
 
-# RomanJ general
+# RomanJ
 #peer.active.ip = 54.211.14.10
 #peer.active.port = 30303
 
- #poc5.testnet.ethereum.org
+# PoC-5 testnet
 peer.active.ip = 54.72.69.180
 peer.active.port = 30303
 
@@ -75,7 +75,7 @@ samples.dir = samples
 # the existing database will be 
 # destroyed and all the data will be 
 # downloaded from peers again
-database.reset = true
+database.reset = false
 
 # this string is computed
 # to be eventually the address

ethereumj-core/src/test/java/org/ethereum/db/TrackDatabaseTest.java

@@ -1,6 +1,15 @@
 package org.ethereum.db;
 
-import org.junit.Assert;
+import static org.iq80.leveldb.impl.Iq80DBFactory.factory;
+
+import java.io.File;
+import java.io.IOException;
+
+import org.iq80.leveldb.Options;
+import org.junit.AfterClass;
+
+import static org.junit.Assert.*;
+
 import org.junit.Test;
 import org.spongycastle.util.encoders.Hex;
 
@@ -20,23 +29,33 @@ public class TrackDatabaseTest {
 
         trackDatabase1.put(Hex.decode("abcdef"), Hex.decode("abcdef"));
         byte[] value  = trackDatabase1.get(Hex.decode("abcdef"));
-        Assert.assertEquals("abcdef", Hex.toHexString(value));
+        assertEquals("abcdef", Hex.toHexString(value));
 
         trackDatabase1.startTrack();
         trackDatabase1.put(Hex.decode("abcdef"), Hex.decode("ffffff"));
         value  = trackDatabase1.get(Hex.decode("abcdef"));
-        Assert.assertEquals("ffffff", Hex.toHexString(value));
+        assertEquals("ffffff", Hex.toHexString(value));
 
         trackDatabase1.rollbackTrack();
         value  = trackDatabase1.get(Hex.decode("abcdef"));
-        Assert.assertEquals("abcdef", Hex.toHexString(value));
+        assertEquals("abcdef", Hex.toHexString(value));
 
         trackDatabase1.startTrack();
         trackDatabase1.put(Hex.decode("abcdef"), Hex.decode("ffffff"));
         trackDatabase1.commitTrack();
         value  = trackDatabase1.get(Hex.decode("abcdef"));
-        Assert.assertEquals("ffffff", Hex.toHexString(value));
+        assertEquals("ffffff", Hex.toHexString(value));
 
         db1.close();
     }
+    
+    @AfterClass
+	public static void destroyDB() {
+		try {
+			Options options = new Options();
+			factory.destroy(new File("temp"), options);
+		} catch (IOException e) {
+			fail("Destroying temp-db failed");
+		}
+	}
 }

ethereumj-core/src/test/resources/system.properties

@@ -19,26 +19,14 @@ peer.discovery.port = 30303
 #peer.active.ip = 54.204.10.41
 #peer.active.port = 30303
 
-# Some dude in Canada
-#peer.active.ip = 131.104.247.135
-#peer.active.port = 30303
-                    	
-# Nick
-#peer.active.ip = 82.217.72.169
-#peer.active.port = 30303
-
-
-# RomanJ general
+# RomanJ
 peer.active.ip = 54.211.14.10
 peer.active.port = 50505
 
- #poc5.testnet.ethereum.org
+# PoC-5 testnet
 #peer.active.ip = 54.72.69.180
 #peer.active.port = 30303
 
-#peer.active.ip = 151.64.223.120
-#peer.active.port = 30304
-
 # specify if the mechanism
 # to discover more and more
 # peers and check the already
@@ -82,7 +70,6 @@ samples.dir = samples
 # downloaded from peers again
 database.reset = true
 
-
 # this string is computed
 # to be eventually the address
 # that get the miner reward