Store all wins received via msgbase (e.g. SYNCDATA) to netwins.jsonl

This should speed up loading the winnners list (e.g. when the syncdata msgbase
has a lot of messages) and scores won't be lost if the msgbase is purged.
Issue reported by Deuce (nix.synchro.net).

Bump version to 3.10.

xtrn/minesweeper/minesweeper.js

@@ -6,10 +6,11 @@
 
 const title = "Synchronet Minesweeper";
 const ini_section = "minesweeper";
-const REVISION = "3.00";
+const REVISION = "3.10";
 const author = "Digital Man";
 const header_height = 4;
 const winners_list = js.exec_dir + "winners.jsonl";
+const netwins_list = js.exec_dir + "netwins.jsonl";
 const losers_list = js.exec_dir + "losers.jsonl";
 const help_file = js.exec_dir + "minesweeper.hlp";
 const welcome_image = js.exec_dir + "welcome.bin";
@@ -322,14 +323,26 @@ function get_winners(level)
 		list = [];
 
 	if(options.sub) {
+		var net_list = json_lines.get(netwins_list);
+		if(typeof net_list != 'object')
+			net_list = [];
 		var msgbase = new MsgBase(options.sub);
 		if(msgbase.get_index !== undefined && msgbase.open()) {
+			var file = new File(msgbase.cfg.data_dir + msgbase.cfg.code + ".ini");
+			var ptr = 0;
+			if(file.open("r")) {
+				ptr = file.iniGetValue(ini_section, "import_ptr", 0);
+				file.close();
+			}
+			if(msgbase.last_msg > ptr) {
 				var to_crc = crc16_calc(title.toLowerCase());
 				var winner_crc = crc16_calc(winner_subject.toLowerCase());
 				var highscores_crc = crc16_calc(highscores_subject.toLowerCase());
 				var index = msgbase.get_index();
 				for(var i = 0; index && i < index.length; i++) {
 					var idx = index[i];
+					if(idx.number <= ptr)
+						continue;
 					if((idx.attr&MSG_DELETE) || idx.to != to_crc)
 						continue;
 					if(idx.subject != winner_crc && idx.subject != highscores_crc)
@@ -364,14 +377,18 @@ function get_winners(level)
 					if(calced == md5) {
 						if(idx.subject == winner_crc) {
 							obj.net_addr = hdr.from_net_addr;	// Not included in MD5 sum
-						if(!list_contains(list, obj))
-							list.push(obj);
+							if(!list_contains(net_list, obj)) {
+								net_list.push(obj);
+								json_lines.add(netwins_list, obj);
+							}
 						} else {
 							for(var j = 0; j < obj.game.length; j++) {
 								var game = obj.game[j];
 								game.net_addr = hdr.from_net_addr;
-							if(!list_contains(list, game))
-								list.push(game);
+								if(!list_contains(net_list, game)) {
+									net_list.push(game);
+									json_lines.add(netwins_list, game);
+								}
 							}
 						}
 					} else {
@@ -381,8 +398,14 @@ function get_winners(level)
 							" msg " + hdr.number);
 					}
 				}
+				if(file.open(file.exists ? "r+" : "w+")) {
+					file.iniSetValue(ini_section, "import_ptr", msgbase.last_msg);
+					file.close();
+				}
+			}
 			msgbase.close();
 		}
+		list = list.concat(net_list);
 	}
 
 	if(level)