* Added check if the deck was modified during sideboarding.

Mage.Server/src/main/java/mage/server/TableController.java

@@ -421,12 +421,16 @@ public class TableController {
     }
 
     public void updateDeck(UUID userId, DeckCardLists deckList) throws MageException {
+        boolean validDeck;
         UUID playerId = userPlayerMap.get(userId);
         if (table.getState() != TableState.SIDEBOARDING && table.getState() != TableState.CONSTRUCTING) {
             return;
         }
         Deck deck = Deck.load(deckList, false, false);
-        updateDeck(userId, playerId, deck);
+        validDeck = updateDeck(userId, playerId, deck);
+        if (!validDeck) {
+            logger.warn(" userId: " + userId + " - Modified deck card list!");
+        }
     }
 
     private void submitDeck(UUID userId, UUID playerId, Deck deck) {
@@ -439,18 +443,20 @@ public class TableController {
         }
     }
 
-    private void updateDeck(UUID userId, UUID playerId, Deck deck) {
+    private boolean updateDeck(UUID userId, UUID playerId, Deck deck) {
+        boolean validDeck = true;
         if (table.isTournament()) {
             if (tournament != null) {
-                TournamentManager.instance.updateDeck(tournament.getId(), playerId, deck);
+                validDeck = TournamentManager.instance.updateDeck(tournament.getId(), playerId, deck);
             } else {
                 logger.fatal("Tournament == null  table: " + table.getId() + " userId: " + userId);
             }
         } else if (TableState.SIDEBOARDING == table.getState()) {
-            match.updateDeck(playerId, deck);
+            validDeck = match.updateDeck(playerId, deck);
         } else {
             // deck was meanwhile submitted so the autoupdate can be ignored
         }
+        return validDeck;
     }
 
     public boolean watchTable(UUID userId) {
@@ -472,13 +478,6 @@ public class TableController {
         }
     }
 
-    //    public boolean replayTable(UUID userId) {
-//        if (table.getState() != TableState.FINISHED) {
-//            return false;
-//        }
-//        ReplayManager.instance.replayGame(table.getId(), userId);
-//        return true;
-//    }
     private Optional<Player> createPlayer(String name, PlayerType playerType, int skill) {
         Optional<Player> playerOpt;
         if (options == null) {

Mage.Server/src/main/java/mage/server/tournament/TournamentController.java

@@ -349,10 +349,11 @@ public class TournamentController {
         }
     }
 
-    public void updateDeck(UUID playerId, Deck deck) {
+    public boolean updateDeck(UUID playerId, Deck deck) {
         if (tournamentSessions.containsKey(playerId)) {
-            tournamentSessions.get(playerId).updateDeck(deck);
+            return tournamentSessions.get(playerId).updateDeck(deck);
         }
+        return false;
     }
 
     public void timeout(UUID userId) {

Mage.Server/src/main/java/mage/server/tournament/TournamentManager.java

@@ -25,13 +25,11 @@
 * authors and should not be interpreted as representing official policies, either expressed
 * or implied, of BetaSteward_at_googlemail.com.
  */
-
 package mage.server.tournament;
 
 import java.util.Optional;
 import java.util.UUID;
 import java.util.concurrent.ConcurrentHashMap;
-
 import mage.cards.decks.Deck;
 import mage.game.tournament.Tournament;
 import mage.view.TournamentView;
@@ -74,8 +72,8 @@ public enum TournamentManager {
         controllers.get(tournamentId).submitDeck(playerId, deck);
     }
 
-    public void updateDeck(UUID tournamentId, UUID playerId, Deck deck) {
+    public boolean updateDeck(UUID tournamentId, UUID playerId, Deck deck) {
-        controllers.get(tournamentId).updateDeck(playerId, deck);
+        return controllers.get(tournamentId).updateDeck(playerId, deck);
     }
 
     public TournamentView getTournamentView(UUID tournamentId) {
@@ -93,7 +91,6 @@ public enum TournamentManager {
         return Optional.empty();
     }
 
-
     public void removeTournament(UUID tournamentId) {
         TournamentController tournamentController = controllers.get(tournamentId);
         if (tournamentController != null) {

Mage.Server/src/main/java/mage/server/tournament/TournamentSession.java

@@ -25,9 +25,13 @@
 * authors and should not be interpreted as representing official policies, either expressed
 * or implied, of BetaSteward_at_googlemail.com.
  */
-
 package mage.server.tournament;
 
+import java.util.Optional;
+import java.util.UUID;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.ScheduledFuture;
+import java.util.concurrent.TimeUnit;
 import mage.cards.decks.Deck;
 import mage.game.tournament.Tournament;
 import mage.interfaces.callback.ClientCallback;
@@ -38,16 +42,11 @@ import mage.server.util.ThreadExecutor;
 import mage.view.TournamentView;
 import org.apache.log4j.Logger;
 
-import java.util.Optional;
-import java.util.UUID;
-import java.util.concurrent.ScheduledExecutorService;
-import java.util.concurrent.ScheduledFuture;
-import java.util.concurrent.TimeUnit;
-
 /**
  * @author BetaSteward_at_googlemail.com
  */
 public class TournamentSession {
+
     protected final static Logger logger = Logger.getLogger(TournamentSession.class);
 
     protected final UUID userId;
@@ -79,16 +78,16 @@ public class TournamentSession {
 
     public void update() {
         if (!killed) {
-            UserManager.instance.getUser(userId).ifPresent(user ->
+            UserManager.instance.getUser(userId).ifPresent(user
-                    user.fireCallback(new ClientCallback(ClientCallbackMethod.TOURNAMENT_UPDATE, tournament.getId(), getTournamentView())));
+                    -> user.fireCallback(new ClientCallback(ClientCallbackMethod.TOURNAMENT_UPDATE, tournament.getId(), getTournamentView())));
 
         }
     }
 
     public void gameOver(final String message) {
         if (!killed) {
-            UserManager.instance.getUser(userId).ifPresent(user ->
+            UserManager.instance.getUser(userId).ifPresent(user
-                    user.fireCallback(new ClientCallback(ClientCallbackMethod.TOURNAMENT_OVER, tournament.getId(), message)));
+                    -> user.fireCallback(new ClientCallback(ClientCallbackMethod.TOURNAMENT_OVER, tournament.getId(), message)));
 
         }
     }
@@ -108,8 +107,8 @@ public class TournamentSession {
         tournament.submitDeck(playerId, deck);
     }
 
-    public void updateDeck(Deck deck) {
+    public boolean updateDeck(Deck deck) {
-        tournament.updateDeck(playerId, deck);
+        return tournament.updateDeck(playerId, deck);
     }
 
     public void setKilled() {
@@ -171,9 +170,8 @@ public class TournamentSession {
     }
 
     private void removeTournamentForUser() {
-        UserManager.instance.getUser(userId).ifPresent(user ->
+        UserManager.instance.getUser(userId).ifPresent(user
-                user.removeTournament(playerId));
+                -> user.removeTournament(playerId));
-
 
     }
 

Mage.Tests/src/test/java/org/mage/test/stub/TournamentStub.java

@@ -27,6 +27,10 @@
  */
 package org.mage.test.stub;
 
+import java.util.Collection;
+import java.util.Date;
+import java.util.List;
+import java.util.UUID;
 import mage.cards.ExpansionSet;
 import mage.cards.decks.Deck;
 import mage.game.draft.Draft;
@@ -38,11 +42,6 @@ import mage.game.tournament.*;
 import mage.players.Player;
 import mage.players.PlayerType;
 
-import java.util.Collection;
-import java.util.Date;
-import java.util.List;
-import java.util.UUID;
-
 /**
  *
  * @author Quercitron
@@ -112,8 +111,8 @@ public class TournamentStub implements Tournament {
     }
 
     @Override
-    public void updateDeck(UUID playerId, Deck deck) {
+    public boolean updateDeck(UUID playerId, Deck deck) {
-
+        return true;
     }
 
     @Override

Mage/src/main/java/mage/cards/decks/Deck.java

@@ -48,6 +48,7 @@ public class Deck implements Serializable {
     private DeckCardLayout cardsLayout;
     private DeckCardLayout sideboardLayout;
     private long deckHashCode = 0;
+    private long deckCompleteHashCode = 0;
 
     public static Deck load(DeckCardLists deckCardLists) throws GameException {
         return Deck.load(deckCardLists, false);
@@ -90,11 +91,13 @@ public class Deck implements Serializable {
         for (DeckCardInfo deckCardInfo : deckCardLists.getCards()) {
             Card card = createCard(deckCardInfo, mockCards);
             if (card != null) {
-                if (totalCards < 1000) {
+                if (totalCards > 1000) {
+                    break;
+                }
                 deck.cards.add(card);
                 deckCardNames.add(card.getName());
                 totalCards++;
-                }
+
             } else if (!ignoreErrors) {
                 throw createCardNotFoundGameException(deckCardInfo, deckCardLists.getName());
             }
@@ -103,11 +106,12 @@ public class Deck implements Serializable {
         for (DeckCardInfo deckCardInfo : deckCardLists.getSideboard()) {
             Card card = createCard(deckCardInfo, mockCards);
             if (card != null) {
-                if (totalCards < 1000) {
+                if (totalCards > 1000) {
+                    break;
+                }
                 deck.sideboard.add(card);
                 sbCardNames.add(card.getName());
                 totalCards++;
-                }
             } else if (!ignoreErrors) {
                 throw createCardNotFoundGameException(deckCardInfo, deckCardLists.getName());
             }
@@ -116,6 +120,15 @@ public class Deck implements Serializable {
         Collections.sort(sbCardNames);
         String deckString = deckCardNames.toString() + sbCardNames.toString();
         deck.setDeckHashCode(DeckUtil.fixedHash(deckString));
+        if (sbCardNames.isEmpty()) {
+            deck.setDeckCompleteHashCode(deck.getDeckHashCode());
+        } else {
+            List<String> deckAllCardNames = new ArrayList<>();
+            deckAllCardNames.addAll(deckCardNames);
+            deckAllCardNames.addAll(sbCardNames);
+            Collections.sort(deckAllCardNames);
+            deck.setDeckCompleteHashCode(DeckUtil.fixedHash(deckAllCardNames.toString()));
+        }
         return deck;
     }
 
@@ -206,6 +219,14 @@ public class Deck implements Serializable {
         this.deckHashCode = deckHashCode;
     }
 
+    public long getDeckCompleteHashCode() {
+        return deckCompleteHashCode;
+    }
+
+    public void setDeckCompleteHashCode(long deckHashCode) {
+        this.deckCompleteHashCode = deckHashCode;
+    }
+
     public void clearLayouts() {
         this.cardsLayout = null;
         this.sideboardLayout = null;

Mage/src/main/java/mage/game/match/Match.java

@@ -25,21 +25,19 @@
  *  authors and should not be interpreted as representing official policies, either expressed
  *  or implied, of BetaSteward_at_googlemail.com.
  */
-
 package mage.game.match;
 
-import mage.cards.decks.Deck;
-import mage.game.Game;
-import mage.game.GameException;
-import mage.game.events.Listener;
-import mage.game.events.TableEvent;
-import mage.players.Player;
-
 import java.util.Date;
 import java.util.List;
 import java.util.UUID;
+import mage.cards.decks.Deck;
+import mage.game.Game;
+import mage.game.GameException;
 import mage.game.GameInfo;
+import mage.game.events.Listener;
+import mage.game.events.TableEvent;
 import mage.game.result.ResultProtos.MatchProto;
+import mage.players.Player;
 
 /**
  *
@@ -50,46 +48,73 @@ public interface Match {
     int SIDEBOARD_TIME = 180;
 
     UUID getId();
+
     String getName();
+
     boolean hasEnded();
+
     boolean hasStarted();
+
     boolean checkIfMatchEnds();
+
     List<MatchPlayer> getPlayers();
+
     MatchPlayer getPlayer(UUID playerId);
 
     void addPlayer(Player player, Deck deck);
+
     boolean quitMatch(UUID playerId);
 
     void submitDeck(UUID playerId, Deck deck);
-    void updateDeck(UUID playerId, Deck deck);
+
+    boolean updateDeck(UUID playerId, Deck deck);
+
     void startMatch();
+
     void startGame() throws GameException;
+
     void sideboard();
+
     void endGame();
+
     Game getGame();
+
     List<Game> getGames();
+
     int getWinsNeeded();
+
     int getFreeMulligans();
+
     void addDraw();
+
     int getDraws();
+
     int getNumGames();
+
     void addGame();
+
     boolean isDoneSideboarding();
+
     UUID getChooser();
+
     MatchOptions getOptions();
 
     void addTableEventListener(Listener<TableEvent> listener);
+
     void fireSideboardEvent(UUID playerId, Deck deck);
 
     // match times
     Date getStartTime();
+
     Date getEndTime();
+
     /**
      * Can the games of the match be replayed
      *
      * @return
      */
     boolean isReplayAvailable();
+
     void setReplayAvailable(boolean replayAvailable);
 
     /**
@@ -111,6 +136,7 @@ public interface Match {
     List<GameInfo> getGamesInfo();
 
     void setTableId(UUID tableId);
+
     void setTournamentRound(int round);
 
     MatchProto toProto();

Mage/src/main/java/mage/game/match/MatchImpl.java

@@ -409,11 +409,18 @@ public abstract class MatchImpl implements Match {
     }
 
     @Override
-    public void updateDeck(UUID playerId, Deck deck) {
+    public boolean updateDeck(UUID playerId, Deck deck) {
+        boolean validDeck = true;
         MatchPlayer player = getPlayer(playerId);
         if (player != null) {
+            // Check if the cards included in the deck are the same as in the original deck
+            validDeck = (player.getDeck().getDeckCompleteHashCode() == deck.getDeckCompleteHashCode());
+            if (validDeck == false) {
+                deck.getCards().clear(); // Clear the deck so the player cheating looses the game
+            }
             player.updateDeck(deck);
         }
+        return validDeck;
     }
 
     protected String createGameStartMessage() {
@@ -502,10 +509,10 @@ public abstract class MatchImpl implements Match {
                 .setMatchOptions(this.getOptions().toProto())
                 .setEndTimeMs((this.getEndTime() != null ? this.getEndTime() : new Date()).getTime());
         for (MatchPlayer matchPlayer : this.getPlayers()) {
-            MatchQuitStatus status = !matchPlayer.hasQuit() ? MatchQuitStatus.NO_MATCH_QUIT :
+            MatchQuitStatus status = !matchPlayer.hasQuit() ? MatchQuitStatus.NO_MATCH_QUIT
-                    matchPlayer.getPlayer().hasTimerTimeout() ? MatchQuitStatus.TIMER_TIMEOUT :
+                    : matchPlayer.getPlayer().hasTimerTimeout() ? MatchQuitStatus.TIMER_TIMEOUT
-                    matchPlayer.getPlayer().hasIdleTimeout() ? MatchQuitStatus.IDLE_TIMEOUT :
+                    : matchPlayer.getPlayer().hasIdleTimeout() ? MatchQuitStatus.IDLE_TIMEOUT
-                    MatchQuitStatus.QUIT;
+                    : MatchQuitStatus.QUIT;
             builder.addPlayersBuilder()
                     .setName(matchPlayer.getName())
                     .setHuman(matchPlayer.getPlayer().isHuman())

Mage/src/main/java/mage/game/match/MatchPlayer.java

@@ -98,6 +98,7 @@ public class MatchPlayer implements Serializable {
         if (this.deck != null) {
             // preserver deck name, important for Tiny Leaders format
             deck.setName(this.getDeck().getName());
+            // preserve the original deck hash code before sideboarding to give no information if cards were swapped
             deck.setDeckHashCode(this.getDeck().getDeckHashCode());
         }
         this.deck = deck;

Mage/src/main/java/mage/game/tournament/Tournament.java

@@ -27,6 +27,10 @@
  */
 package mage.game.tournament;
 
+import java.util.Collection;
+import java.util.Date;
+import java.util.List;
+import java.util.UUID;
 import mage.cards.ExpansionSet;
 import mage.cards.decks.Deck;
 import mage.game.draft.Draft;
@@ -37,11 +41,6 @@ import mage.game.result.ResultProtos.TourneyProto;
 import mage.players.Player;
 import mage.players.PlayerType;
 
-import java.util.Collection;
-import java.util.Date;
-import java.util.List;
-import java.util.UUID;
-
 /**
  *
  * @author BetaSteward_at_googlemail.com
@@ -76,7 +75,7 @@ public interface Tournament {
 
     void submitDeck(UUID playerId, Deck deck);
 
-    void updateDeck(UUID playerId, Deck deck);
+    boolean updateDeck(UUID playerId, Deck deck);
 
     void autoSubmit(UUID playerId, Deck deck);
 

Mage/src/main/java/mage/game/tournament/TournamentImpl.java

@@ -27,6 +27,8 @@
  */
 package mage.game.tournament;
 
+import java.util.*;
+import java.util.concurrent.CopyOnWriteArrayList;
 import mage.cards.ExpansionSet;
 import mage.cards.decks.Deck;
 import mage.constants.TournamentPlayerState;
@@ -37,14 +39,16 @@ import mage.game.events.TableEvent.EventType;
 import mage.game.match.Match;
 import mage.game.match.MatchPlayer;
 import mage.game.result.ResultProtos.*;
+import mage.game.result.ResultProtos.MatchPlayerProto;
+import mage.game.result.ResultProtos.MatchProto;
+import mage.game.result.ResultProtos.MatchQuitStatus;
+import mage.game.result.ResultProtos.TourneyProto;
+import mage.game.result.ResultProtos.TourneyRoundProto;
 import mage.players.Player;
 import mage.players.PlayerType;
 import mage.util.RandomUtil;
 import org.apache.log4j.Logger;
 
-import java.util.*;
-import java.util.concurrent.CopyOnWriteArrayList;
-
 /**
  *
  * @author BetaSteward_at_googlemail.com
@@ -168,10 +172,11 @@ public abstract class TournamentImpl implements Tournament {
     }
 
     @Override
-    public void updateDeck(UUID playerId, Deck deck) {
+    public boolean updateDeck(UUID playerId, Deck deck) {
         if (players.containsKey(playerId)) {
-            players.get(playerId).updateDeck(deck);
+            return players.get(playerId).updateDeck(deck);
         }
+        return false;
     }
 
     protected Round createRoundRandom() {
@@ -588,10 +593,10 @@ public abstract class TournamentImpl implements Tournament {
 
     private MatchPlayerProto matchToProto(Match match, TournamentPlayer player) {
         MatchPlayer matchPlayer = match.getPlayer(player.getPlayer().getId());
-        MatchQuitStatus quit = !matchPlayer.hasQuit() ? MatchQuitStatus.NO_MATCH_QUIT :
+        MatchQuitStatus quit = !matchPlayer.hasQuit() ? MatchQuitStatus.NO_MATCH_QUIT
-                matchPlayer.getPlayer().hasIdleTimeout() ? MatchQuitStatus.IDLE_TIMEOUT :
+                : matchPlayer.getPlayer().hasIdleTimeout() ? MatchQuitStatus.IDLE_TIMEOUT
-                matchPlayer.getPlayer().hasTimerTimeout() ? MatchQuitStatus.TIMER_TIMEOUT :
+                : matchPlayer.getPlayer().hasTimerTimeout() ? MatchQuitStatus.TIMER_TIMEOUT
-                MatchQuitStatus.QUIT;
+                : MatchQuitStatus.QUIT;
         return MatchPlayerProto.newBuilder()
                 .setName(player.getPlayer().getName())
                 .setHuman(player.getPlayer().isHuman())

Mage/src/main/java/mage/game/tournament/TournamentPlayer.java

@@ -25,9 +25,9 @@
  *  authors and should not be interpreted as representing official policies, either expressed
  *  or implied, of BetaSteward_at_googlemail.com.
  */
-
 package mage.game.tournament;
 
+import java.util.Set;
 import mage.cards.decks.Deck;
 import mage.constants.TournamentPlayerState;
 import mage.game.result.ResultProtos.TourneyPlayerProto;
@@ -36,8 +36,6 @@ import mage.players.Player;
 import mage.players.PlayerType;
 import mage.util.TournamentUtil;
 
-import java.util.Set;
-
 /**
  *
  * @author BetaSteward_at_googlemail.com
@@ -117,8 +115,14 @@ public class TournamentPlayer {
         this.setState(TournamentPlayerState.WAITING);
     }
 
-    public void updateDeck(Deck deck) {
+    public boolean updateDeck(Deck deck) {
+        // Check if the cards included in the deck are the same as in the original deck
+        boolean validDeck = (getDeck().getDeckCompleteHashCode() == deck.getDeckCompleteHashCode());
+        if (validDeck == false) {
+            deck.getCards().clear(); // Clear the deck so the player cheating looses the game
+        }
         this.deck = deck;
+        return validDeck;
     }
 
     public Deck generateDeck() {
@@ -144,8 +148,6 @@ public class TournamentPlayer {
         return deck;
     }
 
-
-    
     public boolean isDoneConstructing() {
         return this.doneConstructing;
     }
@@ -239,4 +241,3 @@ public class TournamentPlayer {
                 .build();
     }
 }
-