Properties:

+ version from pom.xml into system.properties
+ hello phrase for wire message

ethereumj-core/pom.xml

@@ -4,7 +4,7 @@
 	<groupId>org.ethereum</groupId>
 	<artifactId>ethereumj</artifactId>
 	<packaging>jar</packaging>
-	<version>0.5.1</version>
+	<version>0.5.3</version>
 	<name>EthereumJ</name>
 	<url>http://www.ethereumj.org</url>
 
@@ -194,6 +194,29 @@
 
 		<plugins>
 
+            <plugin>
+                <groupId>com.google.code.maven-replacer-plugin</groupId>
+                <artifactId>replacer</artifactId>
+                <version>1.5.3</version>
+                <executions>
+                    <execution>
+                        <phase>prepare-package</phase>
+                        <goals>
+                            <goal>replace</goal>
+                        </goals>
+                    </execution>
+                </executions>
+                <configuration>
+                    <file>target/classes/system.properties</file>
+                    <replacements>
+                        <replacement>
+                            <token>PROJECT.VERSION</token>
+                            <value>${project.version}</value>
+                        </replacement>
+                    </replacements>
+                </configuration>
+            </plugin>
+
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-source-plugin</artifactId>

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

@@ -17,7 +17,7 @@ import org.slf4j.LoggerFactory;
  */
 public class SystemProperties {
 
-	private static Logger logger = LoggerFactory.getLogger(SystemProperties.class);
+    private static Logger logger = LoggerFactory.getLogger(SystemProperties.class);
 	
 	private static int     DEFAULT_TX_APPROVE_TIMEOUT = 10;
 	private static String  DEFAULT_DISCOVERY_PEER_LIST = "54.201.28.117:30303";
@@ -35,6 +35,8 @@ public class SystemProperties {
     private static int     DEFAULT_TRACE_STARTBLOCK = -1;
     private static byte    DEFAULT_MAX_BLOCKS_ASK = 10;
     private static int     DEFAULT_MAX_BLOCKS_QUEUED = 300;
+    private static String  DEFAULT_PROJECT_VERSION = "";
+    private static String  DEFAULT_HELLO_PHRASE = "RJ";
 
 
 	public static SystemProperties CONFIG = new SystemProperties();
@@ -183,6 +185,16 @@ public class SystemProperties {
         return Integer.parseInt(prop.getProperty("max.blocks.queued"));
     }
 
+    public String projectVersion() {
+        if(prop.isEmpty()) return DEFAULT_PROJECT_VERSION;
+        return prop.getProperty("project.version");
+    }
+
+    public String helloPhrase() {
+        if(prop.isEmpty()) return DEFAULT_HELLO_PHRASE;
+        return prop.getProperty("hello.phrase");
+    }
+
 
     public static void main(String args[]) {
         SystemProperties systemProperties = new SystemProperties();

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

@@ -1,5 +1,6 @@
 package org.ethereum.gui;
 
+import org.ethereum.config.SystemProperties;
 import org.ethereum.manager.WorldManager;
 import org.ethereum.util.Utils;
 import org.slf4j.Logger;
@@ -36,8 +37,10 @@ public class ToolBar extends JFrame {
 
     public ToolBar() throws HeadlessException {
 
+        String version = SystemProperties.CONFIG.projectVersion();
+
         introLogger.info("");
-        introLogger.info("|Ξ|  EthereumJ [v0.5.1]  by RomanJ");
+        introLogger.info("|Ξ|  EthereumJ [v" + version + "]  by RomanJ");
         introLogger.info("|Ξ|  Code by Roman Mandeleil, (c) 2014.");
         introLogger.info("|Ξ|  Contribution: Nick Savers ");
         introLogger.info("|Ξ|  Based on a design by Vitalik Buterin.");

ethereumj-core/src/main/java/org/ethereum/net/message/StaticMessages.java

@@ -1,5 +1,6 @@
 package org.ethereum.net.message;
 
+import org.ethereum.config.SystemProperties;
 import org.ethereum.crypto.HashUtil;
 import org.spongycastle.util.encoders.Hex;
 
@@ -33,8 +34,16 @@ public class StaticMessages {
     public static HelloMessage generateHelloMessage() {
         byte[] peerIdBytes = HashUtil.randomPeerId();
 
+        String version = SystemProperties.CONFIG.projectVersion();
+        String system = System.getProperty("os.name");
+        if (System.getProperty("java.vm.vendor").contains("Android")) system = "Android";
+
+        String phrase = SystemProperties.CONFIG.helloPhrase();
+
+        String helloAnnouncement = String.format("Ethereum(J)/v%s/Release/%s/%s ", version, system, phrase);
+
         return new HelloMessage((byte) 0x17, (byte) 0x00,
-                "EthereumJ [v0.5.1] by RomanJ", Byte.parseByte("00000111", 2),
+                helloAnnouncement, Byte.parseByte("00000111", 2),
                 (short) 30303, peerIdBytes);
     }
 }

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

@@ -5,7 +5,8 @@ server.acceptConnections = false
 # List of the peers to start
 # the search of the online peers
 # values: [ip:port, ip:port, ip:port ...]
-peer.discovery.ip.list = 185.43.109.23:30303,\
+peer.discovery.ip.list = 185.43.109.23:30303, \
+  54.211.14.10:30303, \
   213.100.248.181:30303, \
   54.72.69.180:30303, \
   54.201.28.117:30303, \
@@ -24,12 +25,12 @@ peer.discovery.ip.list = 185.43.109.23:30303,\
 #peer.active.port = 30303
 
 # RomanJ
-#peer.active.ip = 54.211.14.10
+peer.active.ip = 54.211.14.10
-#peer.active.port = 30303
+peer.active.port = 30303
 
 # PoC-5 testnet
-peer.active.ip = 185.43.109.23
+#peer.active.ip = 185.43.109.23
-peer.active.port = 30303
+#peer.active.port = 30303
 
 #peer.active.ip = 54.72.69.180
 #peer.active.port = 30303
@@ -128,3 +129,11 @@ max.blocks.ask = 100
 # until the execution is set by this param
 # recommended value: [100.300]
 max.blocks.queued = 300
+
+
+# project version auto copied during build phase
+project.version = PROJECT.VERSION
+
+# hello phrase will be included in
+# the hello message of the peer
+hello.phrase = RJ