adding note of block zero for mainnet

BUILD

@@ -4,7 +4,7 @@ java_binary(
   name = "SnowBlossomNode",
   main_class = "snowblossom.SnowBlossomNode",
   jvm_flags = [ 
-    "-Xmx1G",
+    "-Xmx1600M",
   ],
   runtime_deps = [
     ":snowblossomlib",

src/LogSetup.java

@@ -0,0 +1,42 @@
+package snowblossom;
+
+import java.util.logging.Logger;
+import java.util.logging.LogManager;
+import java.util.logging.Level;
+import java.util.Enumeration;
+import java.util.logging.Handler;
+
+public class LogSetup
+{
+  public static void setup(Config config)
+  {
+
+    LogManager.getLogManager().getLogger(Logger.GLOBAL_LOGGER_NAME).setLevel(Level.WARNING);
+    LogManager.getLogManager().getLogger("").setLevel(Level.WARNING);
+
+    listLoggers();
+  }
+
+  public static void listLoggers()
+  {
+
+    Enumeration<String> e =  LogManager.getLogManager().getLoggerNames();
+    while(e.hasMoreElements())
+    {
+      String s =e.nextElement();
+
+      System.out.println("Logger: " + s);
+      Logger m = LogManager.getLogManager().getLogger(s);
+      if (m != null)
+      {
+        Logger p = m.getParent();
+        if (p != null) System.out.println(" p: " + p.getName());
+        for(Handler h : m.getHandlers())
+        {
+          System.out.println("  " + h.getClass().getName());
+        }
+      }
+    }
+  }
+
+}

src/NetworkParamsProd.java

@@ -52,4 +52,8 @@ public List<String> getSeedNodes()
   }
   @Override
   public int getDefaultPort() { return 2338; }
+
+  // Fill in hash of bitcoin block 523850 when it occurs, in hex replacing the zeros to start mainnet
+  @Override
+  public ByteString getBlockZeroRemark() { return ByteString.copyFrom(new String("000000").getBytes()); }
 }

src/SnowBlossomNode.java

@@ -52,6 +52,8 @@ public SnowBlossomNode(Config config)
   {
     this.config = config;
 
+    LogSetup.setup(config);
+
     config.require("db_type");
 
     setupParams();
@@ -63,6 +65,9 @@ public SnowBlossomNode(Config config)
 
     startServices();
 
+
+    LogSetup.listLoggers();
+
   }
 
   public void stop()