implement batch key image polling for offer book in background

core/src/main/java/bisq/core/api/CoreMoneroConnectionsService.java

@@ -140,7 +140,6 @@ public final class CoreMoneroConnectionsService {
 
     public void addListener(MoneroConnectionManagerListener listener) {
         synchronized (lock) {
-            accountService.checkAccountOpen();
             connectionManager.addListener(listener);
         }
     }
@@ -236,11 +235,14 @@ public final class CoreMoneroConnectionsService {
         }
     }
 
+    public boolean isConnectionLocal() {
+        return getConnection() != null && HavenoUtils.isLocalHost(getConnection().getUri());
+    }
+
     public long getDefaultRefreshPeriodMs() {
         if (daemon == null) return REFRESH_PERIOD_LOCAL_MS;
         else {
-            boolean isLocal = HavenoUtils.isLocalHost(daemon.getRpcConnection().getUri());
+            if (isConnectionLocal()) {
-            if (isLocal) {
                 if (lastInfo != null && (lastInfo.isBusySyncing() || (lastInfo.getHeightWithoutBootstrap() != null && lastInfo.getHeightWithoutBootstrap() > 0 && lastInfo.getHeightWithoutBootstrap() < lastInfo.getHeight()))) return REFRESH_PERIOD_REMOTE_MS; // refresh slower if syncing or bootstrapped
                 else return REFRESH_PERIOD_LOCAL_MS; // TODO: announce faster refresh after done syncing
             } else {

core/src/main/java/bisq/core/api/CoreOffersService.java

@@ -17,7 +17,6 @@
 
 package bisq.core.api;
 
-import bisq.core.btc.wallet.XmrWalletService;
 import bisq.core.monetary.Altcoin;
 import bisq.core.monetary.Price;
 import bisq.core.offer.CreateOfferService;
@@ -52,7 +51,6 @@ import java.util.function.Supplier;
 import java.util.stream.Collectors;
 
 import lombok.extern.slf4j.Slf4j;
-import monero.daemon.model.MoneroKeyImageSpentStatus;
 
 import static bisq.common.util.MathUtils.exactMultiply;
 import static bisq.common.util.MathUtils.roundDoubleToLong;
@@ -81,8 +79,7 @@ public class CoreOffersService {
     private final OfferFilterService offerFilter;
     private final OpenOfferManager openOfferManager;
     private final User user;
-    private final XmrWalletService xmrWalletService;
+    
-
     @Inject
     public CoreOffersService(CoreContext coreContext,
                              KeyRing keyRing,
@@ -92,8 +89,7 @@ public class CoreOffersService {
                              OfferFilterService offerFilter,
                              OpenOfferManager openOfferManager,
                              OfferUtil offerUtil,
-                             User user,
+                             User user) {
-                             XmrWalletService xmrWalletService) {
         this.coreContext = coreContext;
         this.keyRing = keyRing;
         this.coreWalletsService = coreWalletsService;
@@ -102,116 +98,66 @@ public class CoreOffersService {
         this.offerFilter = offerFilter;
         this.openOfferManager = openOfferManager;
         this.user = user;
-        this.xmrWalletService = xmrWalletService;
     }
 
-    Offer getOffer(String id) {
+    // excludes my offers
-        return new ArrayList<>(offerBookService.getOffers()).stream()
+    List<Offer> getOffers() {
-                .filter(o -> o.getId().equals(id))
-                .filter(o -> !o.isMyOffer(keyRing))
-                .filter(o -> {
-                    Result result = offerFilter.canTakeOffer(o, coreContext.isApiUser());
-                    boolean valid = result.isValid() || result == Result.HAS_NO_PAYMENT_ACCOUNT_VALID_FOR_OFFER;
-                    if (!valid) log.warn("Cannot take offer " + o.getId() + " with invalid state : " + result);
-                    return valid;
-                })
-                .findAny().orElseThrow(() ->
-                        new IllegalStateException(format("offer with id '%s' not found", id)));
-    }
-
-    Offer getMyOffer(String id) {
-        return new ArrayList<>(openOfferManager.getObservableList()).stream()
-                .map(OpenOffer::getOffer)
-                .filter(o -> o.getId().equals(id))
-                .filter(o -> o.isMyOffer(keyRing))
-                .findAny().orElseThrow(() ->
-                        new IllegalStateException(format("offer with id '%s' not found", id)));
-    }
-
-    List<Offer> getOffers(String direction, String currencyCode) {
         List<Offer> offers = new ArrayList<>(offerBookService.getOffers()).stream()
                 .filter(o -> !o.isMyOffer(keyRing))
-                .filter(o -> offerMatchesDirectionAndCurrency(o, direction, currencyCode))
                 .filter(o -> {
                     Result result = offerFilter.canTakeOffer(o, coreContext.isApiUser());
                     return result.isValid() || result == Result.HAS_NO_PAYMENT_ACCOUNT_VALID_FOR_OFFER;
                 })
-                .sorted(priceComparator(direction))
                 .collect(Collectors.toList());
-        offers.removeAll(getUnreservedOffers(offers));
+        offers.removeAll(getOffersWithDuplicateKeyImages(offers));
         return offers;
     }
 
-    List<Offer> getMyOffers(String direction, String currencyCode) {
+    List<Offer> getOffers(String direction, String currencyCode) {
-        
+        return getOffers().stream()
-        // get my open offers
-        List<Offer> offers = new ArrayList<>(openOfferManager.getObservableList()).stream()
-                .map(OpenOffer::getOffer)
-                .filter(o -> o.isMyOffer(keyRing))
                 .filter(o -> offerMatchesDirectionAndCurrency(o, direction, currencyCode))
                 .sorted(priceComparator(direction))
                 .collect(Collectors.toList());
-
-        // remove unreserved offers
-        Set<Offer> unreservedOffers = getUnreservedOffers(offers); // TODO (woodser): optimize performance, probably don't call here
-        offers.removeAll(unreservedOffers);
-
-        // remove my unreserved offers from offer manager
-        List<OpenOffer> unreservedOpenOffers = new ArrayList<OpenOffer>();
-        for (Offer unreservedOffer : unreservedOffers) {
-          unreservedOpenOffers.add(openOfferManager.getOpenOfferById(unreservedOffer.getId()).get());
-        }
-        openOfferManager.removeOpenOffers(unreservedOpenOffers, null);
-
-        return offers;
     }
-    
+
-    private Set<Offer> getUnreservedOffers(List<Offer> offers) {
+    Offer getOffer(String id) {
-        Set<Offer> unreservedOffers = new HashSet<Offer>();
+        return getOffers().stream()
-        
+                .filter(o -> o.getId().equals(id))
-        // collect reserved key images and check for duplicate funds
+                .findAny().orElseThrow(() ->
-        List<String> allKeyImages = new ArrayList<String>();
+                        new IllegalStateException(format("offer with id '%s' not found", id)));
-        for (Offer offer : offers) {
+    }
-          if (offer.getOfferPayload().getReserveTxKeyImages() == null) continue;
+
-          for (String keyImage : offer.getOfferPayload().getReserveTxKeyImages()) {
+    List<Offer> getMyOffers() {
-            if (!allKeyImages.add(keyImage)) {
+        List<Offer> offers = new ArrayList<>(openOfferManager.getObservableList()).stream()
-                log.warn("Key image {} belongs to another offer, removing offer {}", keyImage, offer.getId()); // TODO (woodser): this is list, not set, so not checking for duplicates
+                .map(OpenOffer::getOffer)
-                unreservedOffers.add(offer);
+                .filter(o -> o.isMyOffer(keyRing))
-            }
+                .collect(Collectors.toList());
-          }
+        offers.removeAll(getOffersWithDuplicateKeyImages(offers));
-        }
+        return offers;
-        
+    };
-        // get spent key images
+
-        // TODO (woodser): paginate offers and only check key images of current page
+    List<Offer> getMyOffers(String direction, String currencyCode) {
-        List<String> spentKeyImages = new ArrayList<String>();
+        return getMyOffers().stream()
-        List<MoneroKeyImageSpentStatus> spentStatuses = allKeyImages.isEmpty() ? new ArrayList<MoneroKeyImageSpentStatus>() : xmrWalletService.getDaemon().getKeyImageSpentStatuses(allKeyImages);
+                .filter(o -> offerMatchesDirectionAndCurrency(o, direction, currencyCode))
-        for (int i = 0; i < spentStatuses.size(); i++) {
+                .sorted(priceComparator(direction))
-          if (spentStatuses.get(i) != MoneroKeyImageSpentStatus.NOT_SPENT) spentKeyImages.add(allKeyImages.get(i));
+                .collect(Collectors.toList());
-        }
+    }
-        
+
-        // check for offers with spent key images
+    Offer getMyOffer(String id) {
-        for (Offer offer : offers) {
+        return getMyOffers().stream()
-          if (offer.getOfferPayload().getReserveTxKeyImages() == null) continue;
+                .filter(o -> o.getId().equals(id))
-          if (unreservedOffers.contains(offer)) continue;
+                .findAny().orElseThrow(() ->
-          for (String keyImage : offer.getOfferPayload().getReserveTxKeyImages()) {
+                        new IllegalStateException(format("offer with id '%s' not found", id)));
-            if (spentKeyImages.contains(keyImage)) {
-                log.warn("Offer {} reserved funds have already been spent with key image {}", offer.getId(), keyImage);
-                unreservedOffers.add(offer);
-            }
-          }
-        }
-        
-        return unreservedOffers;
     }
 
     OpenOffer getMyOpenOffer(String id) {
+        getMyOffer(id); // ensure offer is valid
         return openOfferManager.getOpenOfferById(id)
                 .filter(open -> open.getOffer().isMyOffer(keyRing))
                 .orElseThrow(() ->
                         new IllegalStateException(format("openoffer with id '%s' not found", id)));
     }
 
-    // Create and place new offer.
     void postOffer(String currencyCode,
                              String directionAsString,
                              String priceAsString,
@@ -262,7 +208,6 @@ public class CoreOffersService {
                 errorMessageHandler);
     }
 
-    // Edit a placed offer.
     Offer editOffer(String offerId,
                     String currencyCode,
                     OfferDirection direction,
@@ -297,6 +242,27 @@ public class CoreOffersService {
                 });
     }
 
+    // -------------------------- PRIVATE HELPERS -----------------------------
+
+    private Set<Offer> getOffersWithDuplicateKeyImages(List<Offer> offers) {
+        Set<Offer> duplicateFundedOffers = new HashSet<Offer>();
+        Set<String> seenKeyImages = new HashSet<String>();
+        for (Offer offer : offers) {
+            if (offer.getOfferPayload().getReserveTxKeyImages() == null) continue;
+            for (String keyImage : offer.getOfferPayload().getReserveTxKeyImages()) {
+                if (!seenKeyImages.add(keyImage)) {
+                    for (Offer offer2 : offers) {
+                        if (offer2.getOfferPayload().getReserveTxKeyImages().contains(keyImage)) {
+                            log.warn("Key image {} belongs to multiple offers, removing offer {}", keyImage, offer2.getId());
+                            duplicateFundedOffers.add(offer2);
+                        }
+                    }
+                }
+            }
+        }
+        return duplicateFundedOffers;
+    }
+
     private void verifyPaymentAccountIsValidForNewOffer(Offer offer, PaymentAccount paymentAccount) {
         if (!isPaymentAccountValidForOffer(offer, paymentAccount)) {
             String error = format("cannot create %s offer with payment account %s",

core/src/main/java/bisq/core/btc/wallet/MoneroKeyImagePoller.java

@@ -9,6 +9,7 @@ import java.util.List;
 import java.util.Map;
 import java.util.Set;
 
+import lombok.extern.slf4j.Slf4j;
 import monero.common.MoneroError;
 import monero.common.TaskLooper;
 import monero.daemon.MoneroDaemon;
@@ -17,6 +18,7 @@ import monero.daemon.model.MoneroKeyImageSpentStatus;
 /**
  * Poll for changes to the spent status of key images.
  */
+@Slf4j
 public class MoneroKeyImagePoller {
 
     private MoneroDaemon daemon;
@@ -25,6 +27,17 @@ public class MoneroKeyImagePoller {
     private Set<MoneroKeyImageListener> listeners = new HashSet<MoneroKeyImageListener>();
     private TaskLooper looper;
     private Map<String, MoneroKeyImageSpentStatus> lastStatuses = new HashMap<String, MoneroKeyImageSpentStatus>();
+    private boolean isPolling = false;
+
+    /**
+     * Construct the listener.
+     * 
+     * @param refreshPeriodMs - refresh period in milliseconds
+     * @param keyImages - key images to listen to
+     */
+    public MoneroKeyImagePoller() {
+        looper = new TaskLooper(() -> poll());
+    }
 
     /**
      * Construct the listener.
@@ -111,10 +124,9 @@ public class MoneroKeyImagePoller {
      * @return the key images to listen to
      */
     public void setKeyImages(String... keyImages) {
-        synchronized (keyImages) {
+        synchronized (this.keyImages) {
             this.keyImages.clear();
-            this.keyImages.addAll(Arrays.asList(keyImages));
+            addKeyImages(keyImages);
-            refreshPolling();
         }
     }
 
@@ -124,10 +136,7 @@ public class MoneroKeyImagePoller {
      * @param keyImage - the key image to listen to
      */
     public void addKeyImage(String keyImage) {
-        synchronized (keyImages) {
+        addKeyImages(keyImage);
-            addKeyImages(keyImage);
-            refreshPolling();
-        }
     }
 
     /**
@@ -136,7 +145,16 @@ public class MoneroKeyImagePoller {
      * @param keyImages - key images to listen to
      */
     public void addKeyImages(String... keyImages) {
-        synchronized (keyImages) {
+        addKeyImages(Arrays.asList(keyImages));
+    }
+
+    /**
+     * Add key images to listen to.
+     * 
+     * @param keyImages - key images to listen to
+     */
+    public void addKeyImages(Collection<String> keyImages) {
+        synchronized (this.keyImages) {
             for (String keyImage : keyImages) if (!this.keyImages.contains(keyImage)) this.keyImages.add(keyImage);
             refreshPolling();
         }
@@ -148,10 +166,7 @@ public class MoneroKeyImagePoller {
      * @param keyImage - the key image to unlisten to
      */
     public void removeKeyImage(String keyImage) {
-        synchronized (keyImages) {
+        removeKeyImages(keyImage);
-            removeKeyImages(keyImage);
-            refreshPolling();
-        }
     }
 
     /**
@@ -160,38 +175,81 @@ public class MoneroKeyImagePoller {
      * @param keyImages - key images to unlisten to
      */
     public void removeKeyImages(String... keyImages) {
-        synchronized (keyImages) {
+        removeKeyImages(Arrays.asList(keyImages));
-            for (String keyImage : keyImages) if (!this.keyImages.contains(keyImage)) throw new MoneroError("Key image not registered with poller: " + keyImage);
+    }
-            this.keyImages.removeAll(Arrays.asList(keyImages));
+
+    /**
+     * Remove key images to listen to.
+     * 
+     * @param keyImages - key images to unlisten to
+     */
+    public void removeKeyImages(Collection<String> keyImages) {
+        synchronized (this.keyImages) {
+            Set<String> containedKeyImages = new HashSet<String>(keyImages);
+            containedKeyImages.retainAll(this.keyImages);
+            this.keyImages.removeAll(containedKeyImages);
+            for (String lastKeyImage : new HashSet<>(lastStatuses.keySet())) lastStatuses.remove(lastKeyImage);
+            refreshPolling();
         }
     }
 
+    /**
+     * Indicates if the given key image is spent.
+     * 
+     * @param keyImage - the key image to check
+     * @return true if the key is spent, false if unspent, null if unknown
+     */
+    public Boolean isSpent(String keyImage) {
+        if (!lastStatuses.containsKey(keyImage)) return null;
+        return lastStatuses.get(keyImage) != MoneroKeyImageSpentStatus.NOT_SPENT;
+    }
+
     public void poll() {
         synchronized (keyImages) {
-
+            if (daemon == null) {
-            // fetch spent statuses
+                log.warn("Cannot poll key images because daemon is null");
-            List<MoneroKeyImageSpentStatus> spentStatuses = keyImages.isEmpty() ? new ArrayList<MoneroKeyImageSpentStatus>() : daemon.getKeyImageSpentStatuses(keyImages);
+                return;
-
-            // collect changed statuses
-            Map<String, MoneroKeyImageSpentStatus> changedStatuses = new HashMap<String, MoneroKeyImageSpentStatus>();
-            for (int i = 0; i < keyImages.size(); i++) {
-                if (lastStatuses.get(keyImages.get(i)) != spentStatuses.get(i)) {
-                    lastStatuses.put(keyImages.get(i), spentStatuses.get(i));
-                    changedStatuses.put(keyImages.get(i), spentStatuses.get(i));
-                }
             }
+            try {
+                
+                // fetch spent statuses
+                List<MoneroKeyImageSpentStatus> spentStatuses = keyImages.isEmpty() ? new ArrayList<MoneroKeyImageSpentStatus>() : daemon.getKeyImageSpentStatuses(keyImages);
 
-            // announce changes
+                // collect changed statuses
-            for (MoneroKeyImageListener listener : new ArrayList<MoneroKeyImageListener>(listeners)) listener.onSpentStatusChanged(changedStatuses);
+                Map<String, MoneroKeyImageSpentStatus> changedStatuses = new HashMap<String, MoneroKeyImageSpentStatus>();
+                for (int i = 0; i < keyImages.size(); i++) {
+                    if (lastStatuses.get(keyImages.get(i)) != spentStatuses.get(i)) {
+                        lastStatuses.put(keyImages.get(i), spentStatuses.get(i));
+                        changedStatuses.put(keyImages.get(i), spentStatuses.get(i));
+                    }
+                }
+
+                // announce changes
+                if (!changedStatuses.isEmpty()) {
+                    for (MoneroKeyImageListener listener : new ArrayList<MoneroKeyImageListener>(listeners)) {
+                        listener.onSpentStatusChanged(changedStatuses);
+                    }
+                }
+            } catch (Exception e) {
+                log.warn("Error polling key images: " + e.getMessage());
+                e.printStackTrace();
+            }
         }
     }
 
     private void refreshPolling() {
-        setIsPolling(listeners.size() > 0);
+        setIsPolling(keyImages.size() > 0 && listeners.size() > 0);
     }
 
-    private void setIsPolling(boolean isPolling) {
+    private void setIsPolling(boolean enabled) {
-        if (isPolling) looper.start(refreshPeriodMs);
+        if (enabled) {
-        else looper.stop();
+            if (!isPolling) {
+                isPolling = true; // TODO monero-java: looper.isPolling()
+                looper.start(refreshPeriodMs);
+            }
+        } else {
+            isPolling = false;
+            looper.stop();
+        }
     }
 }

core/src/main/java/bisq/core/offer/Offer.java

@@ -112,6 +112,11 @@ public class Offer implements NetworkPayload, PersistablePayload {
     @JsonExclude
     transient private String currencyCode;
 
+    @JsonExclude
+    @Getter
+    @Setter
+    transient private boolean isReservedFundsSpent;
+
 
     ///////////////////////////////////////////////////////////////////////////////////////////
     // Constructor

core/src/main/java/bisq/core/offer/OfferBookService.java

@@ -17,6 +17,9 @@
 
 package bisq.core.offer;
 
+import bisq.core.api.CoreMoneroConnectionsService;
+import bisq.core.btc.wallet.MoneroKeyImageListener;
+import bisq.core.btc.wallet.MoneroKeyImagePoller;
 import bisq.core.filter.FilterManager;
 import bisq.core.locale.Res;
 import bisq.core.provider.price.PriceFeedService;
@@ -25,13 +28,15 @@ import bisq.network.p2p.BootstrapListener;
 import bisq.network.p2p.P2PService;
 import bisq.network.p2p.storage.HashMapChangedListener;
 import bisq.network.p2p.storage.payload.ProtectedStorageEntry;
-
+import common.utils.GenUtils;
+import monero.common.MoneroConnectionManagerListener;
+import monero.common.MoneroRpcConnection;
+import monero.daemon.model.MoneroKeyImageSpentStatus;
 import bisq.common.UserThread;
 import bisq.common.config.Config;
 import bisq.common.file.JsonFileManager;
 import bisq.common.handlers.ErrorMessageHandler;
 import bisq.common.handlers.ResultHandler;
-import bisq.common.util.Utilities;
 
 import javax.inject.Inject;
 import javax.inject.Named;
@@ -41,6 +46,7 @@ import java.io.File;
 import java.util.Collection;
 import java.util.LinkedList;
 import java.util.List;
+import java.util.Map;
 import java.util.Objects;
 import java.util.stream.Collectors;
 
@@ -56,18 +62,22 @@ import javax.annotation.Nullable;
 public class OfferBookService {
     private static final Logger log = LoggerFactory.getLogger(OfferBookService.class);
 
-    public interface OfferBookChangedListener {
-        void onAdded(Offer offer);
-
-        void onRemoved(Offer offer);
-    }
-
     private final P2PService p2PService;
     private final PriceFeedService priceFeedService;
     private final List<OfferBookChangedListener> offerBookChangedListeners = new LinkedList<>();
     private final FilterManager filterManager;
     private final JsonFileManager jsonFileManager;
+    private final CoreMoneroConnectionsService connectionsService;
 
+    private MoneroKeyImagePoller keyImagePoller;
+    private static final long KEY_IMAGE_REFRESH_PERIOD_MS_LOCAL = 20000; // 20 seconds
+    private static final long KEY_IMAGE_REFRESH_PERIOD_MS_REMOTE = 300000; // 5 minutes
+
+    public interface OfferBookChangedListener {
+        void onAdded(Offer offer);
+
+        void onRemoved(Offer offer);
+    }
 
     ///////////////////////////////////////////////////////////////////////////////////////////
     // Constructor
@@ -77,21 +87,36 @@ public class OfferBookService {
     public OfferBookService(P2PService p2PService,
                             PriceFeedService priceFeedService,
                             FilterManager filterManager,
+                            CoreMoneroConnectionsService connectionsService,
                             @Named(Config.STORAGE_DIR) File storageDir,
                             @Named(Config.DUMP_STATISTICS) boolean dumpStatistics) {
         this.p2PService = p2PService;
         this.priceFeedService = priceFeedService;
         this.filterManager = filterManager;
+        this.connectionsService = connectionsService;
         jsonFileManager = new JsonFileManager(storageDir);
 
+        // listen for monero connection changes
+        connectionsService.addListener(new MoneroConnectionManagerListener() {
+            @Override
+            public void onConnectionChanged(MoneroRpcConnection connection) {
+                keyImagePoller.setDaemon(connectionsService.getDaemon());
+                keyImagePoller.setRefreshPeriodMs(getKeyImageRefreshPeriodMs());
+            }
+        });
+
+        // listen for offers
         p2PService.addHashSetChangedListener(new HashMapChangedListener() {
             @Override
             public void onAdded(Collection<ProtectedStorageEntry> protectedStorageEntries) {
                 protectedStorageEntries.forEach(protectedStorageEntry -> offerBookChangedListeners.forEach(listener -> {
                     if (protectedStorageEntry.getProtectedStoragePayload() instanceof OfferPayload) {
+                        maybeInitializeKeyImagePoller();
                         OfferPayload offerPayload = (OfferPayload) protectedStorageEntry.getProtectedStoragePayload();
+                        keyImagePoller.addKeyImages(offerPayload.getReserveTxKeyImages());
                         Offer offer = new Offer(offerPayload);
                         offer.setPriceFeedService(priceFeedService);
+                        setReservedFundsSpent(offer);
                         listener.onAdded(offer);
                     }
                 }));
@@ -101,9 +126,12 @@ public class OfferBookService {
             public void onRemoved(Collection<ProtectedStorageEntry> protectedStorageEntries) {
                 protectedStorageEntries.forEach(protectedStorageEntry -> offerBookChangedListeners.forEach(listener -> {
                     if (protectedStorageEntry.getProtectedStoragePayload() instanceof OfferPayload) {
+                        maybeInitializeKeyImagePoller();
                         OfferPayload offerPayload = (OfferPayload) protectedStorageEntry.getProtectedStoragePayload();
+                        keyImagePoller.removeKeyImages(offerPayload.getReserveTxKeyImages());
                         Offer offer = new Offer(offerPayload);
                         offer.setPriceFeedService(priceFeedService);
+                        setReservedFundsSpent(offer);
                         listener.onRemoved(offer);
                     }
                 }));
@@ -197,6 +225,7 @@ public class OfferBookService {
                     OfferPayload offerPayload = (OfferPayload) data.getProtectedStoragePayload();
                     Offer offer = new Offer(offerPayload);
                     offer.setPriceFeedService(priceFeedService);
+                    setReservedFundsSpent(offer);
                     return offer;
                 })
                 .collect(Collectors.toList());
@@ -225,6 +254,52 @@ public class OfferBookService {
     // Private
     ///////////////////////////////////////////////////////////////////////////////////////////
 
+    private void maybeInitializeKeyImagePoller() {
+        synchronized (this) {
+            if (keyImagePoller != null) return;
+            keyImagePoller = new MoneroKeyImagePoller(connectionsService.getDaemon(), getKeyImageRefreshPeriodMs());
+            keyImagePoller.addListener(new MoneroKeyImageListener() {
+                @Override
+                public void onSpentStatusChanged(Map<String, MoneroKeyImageSpentStatus> spentStatuses) {
+                    for (String keyImage : spentStatuses.keySet()) {
+                        updateAffectedOffers(keyImage);
+                    }
+                }
+            });
+    
+            // first poll after 5s
+            new Thread(() -> {
+                GenUtils.waitFor(5000);
+                keyImagePoller.poll();
+            });
+        }
+    }
+
+    private long getKeyImageRefreshPeriodMs() {
+        return connectionsService.isConnectionLocal() ? KEY_IMAGE_REFRESH_PERIOD_MS_LOCAL : KEY_IMAGE_REFRESH_PERIOD_MS_REMOTE;
+    }
+
+    private void updateAffectedOffers(String keyImage) {
+        for (Offer offer : getOffers()) {
+            if (offer.getOfferPayload().getReserveTxKeyImages().contains(keyImage)) {
+                offerBookChangedListeners.forEach(listener -> {
+                    listener.onRemoved(offer);
+                    listener.onAdded(offer);
+                });
+            }
+        }
+    }
+
+    private void setReservedFundsSpent(Offer offer) {
+        if (keyImagePoller == null) return;
+        for (String keyImage : offer.getOfferPayload().getReserveTxKeyImages()) {
+            if (Boolean.TRUE.equals(keyImagePoller.isSpent(keyImage))) {
+                log.warn("Reserved funds spent for offer {}", offer.getId());
+                offer.setReservedFundsSpent(true);
+            }
+        }
+    }
+
     private void doDumpStatistics() {
         // We filter the case that it is a MarketBasedPrice but the price is not available
         // That should only be possible if the price feed provider is not available

core/src/main/java/bisq/core/offer/OfferFilterService.java

@@ -83,7 +83,8 @@ public class OfferFilterService {
         IS_INSUFFICIENT_COUNTERPARTY_TRADE_LIMIT,
         IS_MY_INSUFFICIENT_TRADE_LIMIT,
         ARBITRATOR_NOT_VALIDATED,
-        SIGNATURE_NOT_VALIDATED;
+        SIGNATURE_NOT_VALIDATED,
+        RESERVE_FUNDS_SPENT;
 
         @Getter
         private final boolean isValid;
@@ -134,6 +135,9 @@ public class OfferFilterService {
         if (!hasValidSignature(offer)) {
             return Result.SIGNATURE_NOT_VALIDATED;
         }
+        if (isReservedFundsSpent(offer)) {
+            return Result.RESERVE_FUNDS_SPENT;
+        }
         if (!isAnyPaymentAccountValidForOffer(offer)) {
             return Result.HAS_NO_PAYMENT_ACCOUNT_VALID_FOR_OFFER;
         }
@@ -226,4 +230,8 @@ public class OfferFilterService {
         if (arbitrator == null) return false; // invalid arbitrator
         return HavenoUtils.isArbitratorSignatureValid(offer, arbitrator);
     }
+
+    public boolean isReservedFundsSpent(Offer offer) {
+        return offer.isReservedFundsSpent();
+    }
 }

core/src/main/java/bisq/core/offer/OpenOfferManager.java

@@ -25,6 +25,7 @@ import bisq.core.btc.wallet.TradeWalletService;
 import bisq.core.btc.wallet.XmrWalletService;
 import bisq.core.exceptions.TradePriceOutOfToleranceException;
 import bisq.core.filter.FilterManager;
+import bisq.core.offer.OfferBookService.OfferBookChangedListener;
 import bisq.core.offer.messages.OfferAvailabilityRequest;
 import bisq.core.offer.messages.OfferAvailabilityResponse;
 import bisq.core.offer.messages.SignOfferRequest;
@@ -189,6 +190,21 @@ public class OpenOfferManager implements PeerManager.Listener, DecryptedDirectMe
 
         this.persistenceManager.initialize(openOffers, "OpenOffers", PersistenceManager.Source.PRIVATE);
         this.signedOfferPersistenceManager.initialize(signedOffers, "SignedOffers", PersistenceManager.Source.PRIVATE); // arbitrator stores reserve tx for signed offers
+
+        // remove open offer if reserved funds spent
+        offerBookService.addOfferBookChangedListener(new OfferBookChangedListener() {
+            @Override
+            public void onAdded(Offer offer) {
+                Optional<OpenOffer> openOfferOptional = getOpenOfferById(offer.getId());
+                if (openOfferOptional.isPresent() && offer.isReservedFundsSpent()) {
+                    removeOpenOffer(openOfferOptional.get(), null);
+                }
+            }
+            @Override
+            public void onRemoved(Offer offer) {
+                // nothing to do
+            }
+        });
     }
 
     @Override
@@ -301,6 +317,10 @@ public class OpenOfferManager implements PeerManager.Listener, DecryptedDirectMe
         removeOpenOffers(getObservableList(), completeHandler);
     }
 
+    public void removeOpenOffer(OpenOffer openOffer, @Nullable Runnable completeHandler) {
+        removeOpenOffers(List.of(openOffer), completeHandler);
+    }
+
     public void removeOpenOffers(List<OpenOffer> openOffers, @Nullable Runnable completeHandler) {
         int size = openOffers.size();
         // Copy list as we remove in the loop

core/src/main/java/bisq/core/trade/TradeManager.java

@@ -1065,8 +1065,8 @@ public class TradeManager implements PersistedDataHost, DecryptedDirectMessageLi
                 return;
             }
 
-            // delete trade wallet
+            // delete trade wallet if exists
-            trade.deleteWallet();
+            if (xmrWalletService.multisigWalletExists(trade.getId())) trade.deleteWallet();
 
             // unreserve key images
             if (trade instanceof TakerTrade && trade.getSelf().getReserveTxKeyImages() != null) {