improved notification logic, added some pow code but unused now, added large intro print

bin/nostr_console.dart

@@ -30,7 +30,7 @@ void printUsage() {
 }
 
 Future<void> main(List<String> arguments) async {
-
+    printIntro("Nostr");
     Logger.root.level = Level.ALL; // defaults to Level.INFO
     Logger.root.onRecord.listen((record) {
       print('${record.level.name}: ${record.time}: ${record.message}');

lib/console_ui.dart

@@ -31,7 +31,7 @@ Future<void> processNotifications(Tree node)  async {
  * If replyToId is blank, then it does not reference any e/p tags, and thus becomes a top post
  * otherwise e and p tags are found for the given event being replied to, if that event data is available
  */
-Future<void> sendReplyPostLike(Tree node, String replyToId, String replyKind, String content) async {
+Future<void> sendReplyPostLike(Tree node, String replyToId, String replyKind, String content, [int powLeadingBits = 0]) async {
   String strTags = node.getTagStr(replyToId, exename);
   if( replyToId.isNotEmpty && strTags == "") { // this returns empty only when the given replyto ID is non-empty, but its not found ( nor is it 64 bytes)
     print("${gWarningColor}The given target id was not found and/or is not a valid id. Not sending the event.$colorEndMarker"); 
@@ -40,12 +40,33 @@ Future<void> sendReplyPostLike(Tree node, String replyToId, String replyKind, St
 
   int    createdAt = DateTime.now().millisecondsSinceEpoch ~/1000;
   String id = getShaId(userPublicKey, createdAt, replyKind, strTags, content);
+
+  // generate POW if required
+
+  String vanityTag = strTags;
+  if (powLeadingBits> 0) {
+    log.info("Starting pow");
+
+    for( int i = 0; i < 1000000; i++) {
+      vanityTag = strTags + ',["nonce","$i"]';
+      id = getShaId(userPublicKey, createdAt, replyKind, vanityTag, content);
+      if( id.substring(0, 4) == "000") {
+        break;
+      }
+    }
+
+    log.info("Ending pow");
+    print("Found id: $id");
+  }
+
   String sig = sign(userPrivateKey, id, "12345612345612345612345612345612");
 
-  String toSendMessage = '["EVENT",{"id":"$id","pubkey":"$userPublicKey","created_at":$createdAt,"kind":$replyKind,"tags":[$strTags],"content":"$content","sig":"$sig"}]';
-  relays.sendRequest(defaultServerUrl, toSendMessage);
+  String toSendMessage = '["EVENT",{"id":"$id","pubkey":"$userPublicKey","created_at":$createdAt,"kind":$replyKind,"tags":[$vanityTag],"content":"$content","sig":"$sig"}]';
+  //relays.sendRequest(defaultServerUrl, toSendMessage);
+  sendRequest( gListRelayUrls, toSendMessage);
 }
 
+// is same as above. remove it TODO
 Future<void> sendChatMessage(Tree node, String channelId, String messageToSend) async {
   String replyKind = "42";
 
@@ -56,7 +77,9 @@ Future<void> sendChatMessage(Tree node, String channelId, String messageToSend)
   String sig = sign(userPrivateKey, id, "12345612345612345612345612345612");
 
   String toSendMessage = '["EVENT",{"id":"$id","pubkey":"$userPublicKey","created_at":$createdAt,"kind":$replyKind,"tags":[$strTags],"content":"$messageToSend","sig":"$sig"}]';
-  relays.sendRequest(defaultServerUrl, toSendMessage);
+  //relays.sendRequest(defaultServerUrl, toSendMessage);
+  
+  sendRequest( gListRelayUrls, toSendMessage);
 }
 
 // send event e
@@ -473,7 +496,7 @@ Future<void> mainMenuUi(Tree node, var contactList) async {
             replyKind = "7";
           }
 
-          await sendReplyPostLike(node, replyToId, replyKind, content);
+          await sendReplyPostLike(node, replyToId, replyKind, content, 0);
           break;
 
         case 3:

lib/settings.dart

@@ -201,3 +201,26 @@ Source Code and Binaries: https://github.com/vishalxl/nostr_console
 
 ''';
 
+void printIntro(String msg) {
+
+String toPrint = 
+"""
+          ▀█▄   ▀█▀                  ▄           
+           █▀█   █    ▄▄▄    ▄▄▄▄  ▄██▄  ▄▄▄ ▄▄  
+           █ ▀█▄ █  ▄█  ▀█▄ ██▄ ▀   ██    ██▀ ▀▀ 
+           █   ███  ██   ██ ▄ ▀█▄▄  ██    ██     
+          ▄█▄   ▀█   ▀█▄▄█▀ █▀▄▄█▀  ▀█▄▀ ▄██▄    
+
+ ██████╗ ██████╗ ███╗   ██╗███████╗ ██████╗ ██╗     ███████╗
+██╔════╝██╔═══██╗████╗  ██║██╔════╝██╔═══██╗██║     ██╔════╝
+██║     ██║   ██║██╔██╗ ██║███████╗██║   ██║██║     █████╗  
+██║     ██║   ██║██║╚██╗██║╚════██║██║   ██║██║     ██╔══╝  
+╚██████╗╚██████╔╝██║ ╚████║███████║╚██████╔╝███████╗███████╗
+ ╚═════╝ ╚═════╝ ╚═╝  ╚═══╝╚══════╝ ╚═════╝ ╚══════╝╚══════╝
+
+
+""";                         
+
+print("\n$toPrint\n");
+
+}

lib/tree_ds.dart

@@ -699,7 +699,7 @@ class Tree {
     }
   }
 
-  // returns true if the treee or its children has a post or like by user; and notification flags are set for such events
+  // returns true if the treee or its children has a reply or like for the user with public key pk; and notification flags are set for such events
   bool hasRepliesAndLikes(String pk) {
     //print("----- pk = $pk");
     bool hasReaction = false;
@@ -710,16 +710,26 @@ class Tree {
       if( reactions  != null) {
         if( reactions.length > 0) {
           //print("has reactions");
-          reactions.forEach((reaction) { e.eventData.newLikes.add(reaction[0]);});
-          hasReaction = true;
+          reactions.forEach((reaction) {  
+            // dont add notificatoin for self reaction
+            Event? reactorEvent = allChildEventsMap[reaction[0]]?.e;
+            if( reactorEvent != null) {
+              if( reactorEvent.eventData.pubkey != pk){ // ignore self likes 
+                e.eventData.newLikes.add(reaction[0]);
+                hasReaction = true;
+              }
+            }
+          });
         }
       }
     }
 
     if( e.eventData.pubkey == pk && children.length > 0) {
       for( int i = 0; i < children.length; i++ ) {
-        // if child is someone else then set notifications and flag
-        children.forEach((c) {  c.e.eventData.isNotification =  ((c.e.eventData.pubkey != pk)? true: false)  ; childMatches = true; }); 
+        children.forEach((child) {  
+          // if child is someone else then set notifications and flag, means there are replies to this event 
+          childMatches = child.e.eventData.isNotification =  ((child.e.eventData.pubkey != pk)? true: false) ; 
+        }); 
       }
     }
 
@@ -937,16 +947,20 @@ void addMessageToChannel(String channelId, String messageId, var tempChildEvents
         room.messageIds.add(messageId);
         return;
       }
-      //if(gDebug> 0) print("room has ${room.messageIds.length} messages already. adding new one to it. ");
+      
+      if(gDebug> 0) print("room has ${room.messageIds.length} messages already. adding new one to it. ");
 
       for(int i = 0; i < room.messageIds.length; i++) {
         int eventTime = (tempChildEventsMap[room.messageIds[i]]?.e.eventData.createdAt??0);
         if( newEventTime < eventTime) {
           // shift current i and rest one to the right, and put event Time here
+          if(gDebug> 0) print("In addMessageToChannel: inserted in middle to channel ${room.chatRoomId} ");
           room.messageIds.insert(i, messageId);
           return;
         }
       }
+      if(gDebug> 0) print("In addMessageToChannel: added to channel ${room.chatRoomId} ");
+
       // insert at end
       room.messageIds.add(messageId);
       return;