fixed comparator which improves the display a lot

lib/console_ui.dart

@@ -91,7 +91,7 @@ Future<void> otherMenuUi(Tree node, var contactList) async {
 }
 
 Future<void> mainMenuUi(Tree node, var contactList) async {
-    gDebug = 1;
+    //gDebug = 1;
     // at the very beginning, show the tree as it is the, and them show the options menu
     node.printTree(0, true, DateTime.now().subtract(Duration(days:gNumLastDays)));
     //gDebug = 1;
@@ -142,7 +142,7 @@ Future<void> mainMenuUi(Tree node, var contactList) async {
               print("Since no user private key has been supplied, posts/messages can't be sent. Invoke with --prikey \n");
               break;
           }
-          stdout.write("Type comment to post/reply: ");
+          stdout.write("Type comment to post/reply (type just '+' to send a like): ");
           String? $contentVar = stdin.readLineSync();
           String content = $contentVar??"";
           if( content == "") {

lib/event_ds.dart

@@ -188,8 +188,8 @@ class EventData {
       print("----------------------------------------Creating EventData with content: ${json['content']}");
     }
 
-    if( json['id'] == "af57a41047c339e25f2dcf46e20de883b885b22499642813954545eefc1a192c") {
-      if(gDebug > 0) print("got message: af57a41047c339e25f2dcf46e20de883b885b22499642813954545eefc1a192c");
+    if( json['id'] == "f0cfda6c5d20de2becdf3ebf50e87a9bb1042b3fb4b7e03adefd892d46e65ba7") {
+      if(gDebug >= 1) print("got message: f0cfda6c5d20de2becdf3ebf50e87a9bb1042b3fb4b7e03adefd892d46e65ba7");
     }
 
     return EventData(json['id'] as String,      json['pubkey'] as String, 

lib/tree_ds.dart

@@ -100,16 +100,6 @@ class Tree {
     return newEventsId;
   }
 
-  void addChild(Event child) {
-    Tree node;
-    node = Tree(child, [], {}, []);
-    children.add(node);
-  }
-
-  void addChildNode(Tree node) {
-    children.add(node);
-  }
-
   int printTree(int depth, bool onlyPrintChildren, var newerThan) {
 
     int numPrinted = 0;
@@ -166,19 +156,6 @@ class Tree {
     return numPrinted;
   }
 
-  Tree getTopTree(Tree t) {
-
-    while( true) {
-      Tree? parent =  allChildEventsMap[ t.e.eventData.getParent()];
-      if( parent != null) {
-        t = parent;
-      } else {
-        break;
-      }
-    }
-    return t;
-  }
-
   /*
    * @printNotifications Add the given events to the Tree, and print the events as notifications
    *                     It should be ensured that these are only kind 1 events
@@ -275,11 +252,38 @@ class Tree {
     }
     return totalCount;
   }
+
+  void addChild(Event child) {
+    Tree node;
+    node = Tree(child, [], {}, []);
+    children.add(node);
+  }
+
+  void addChildNode(Tree node) {
+    children.add(node);
+  }
+
+  Tree getTopTree(Tree t) {
+
+    while( true) {
+      Tree? parent =  allChildEventsMap[ t.e.eventData.getParent()];
+      if( parent != null) {
+        t = parent;
+      } else {
+        break;
+      }
+    }
+    return t;
+  }
 }
 
 int ascendingTimeTree(Tree a, Tree b) {
   if(a.e.eventData.createdAt < b.e.eventData.createdAt) {
-    return 0;
+    return -1;
+  } else {
+    if( a.e.eventData.createdAt == b.e.eventData.createdAt) {
+      return 0;
+    }
   }
   return 1;
 }