Add API functions to start and stop local Monero node

common/src/main/java/bisq/common/crypto/KeyStorage.java

@@ -172,7 +172,7 @@ public class KeyStorage {
                         // Most of the time (probably of slightly less than 255/256, around 99.61%) a bad password
                         // will result in BadPaddingException before HMAC check.
                         // See https://stackoverflow.com/questions/8049872/given-final-block-not-properly-padded
-                        if (ce.getCause() instanceof BadPaddingException || ce.getMessage() == Encryption.HMAC_ERROR_MSG)
+                        if (ce.getCause() instanceof BadPaddingException || Encryption.HMAC_ERROR_MSG.equals(ce.getMessage()))
                             throw new IncorrectPasswordException("Incorrect password");
                         else
                             throw ce;

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

@@ -36,6 +36,8 @@ import bisq.core.support.messages.ChatMessage;
 import bisq.core.trade.Trade;
 import bisq.core.trade.statistics.TradeStatistics3;
 import bisq.core.trade.statistics.TradeStatisticsManager;
+import bisq.core.xmr.MoneroNodeSettings;
+
 import bisq.common.app.Version;
 import bisq.common.config.Config;
 import bisq.common.crypto.IncorrectPasswordException;
@@ -53,6 +55,7 @@ import javax.inject.Singleton;
 
 import com.google.common.util.concurrent.FutureCallback;
 
+import java.io.IOException;
 import java.io.InputStream;
 
 import java.util.ArrayList;
@@ -94,6 +97,7 @@ public class CoreApi {
     private final TradeStatisticsManager tradeStatisticsManager;
     private final CoreNotificationService notificationService;
     private final CoreMoneroConnectionsService coreMoneroConnectionsService;
+    private final CoreMoneroNodeService coreMoneroNodeService;
 
     @Inject
     public CoreApi(Config config,
@@ -109,7 +113,8 @@ public class CoreApi {
                    CoreWalletsService walletsService,
                    TradeStatisticsManager tradeStatisticsManager,
                    CoreNotificationService notificationService,
-                   CoreMoneroConnectionsService coreMoneroConnectionsService) {
+                   CoreMoneroConnectionsService coreMoneroConnectionsService,
+                   CoreMoneroNodeService coreMoneroNodeService) {
         this.config = config;
         this.appStartupState = appStartupState;
         this.coreAccountService = coreAccountService;
@@ -124,6 +129,7 @@ public class CoreApi {
         this.tradeStatisticsManager = tradeStatisticsManager;
         this.notificationService = notificationService;
         this.coreMoneroConnectionsService = coreMoneroConnectionsService;
+        this.coreMoneroNodeService = coreMoneroNodeService;
     }
 
     @SuppressWarnings("SameReturnValue")
@@ -235,6 +241,26 @@ public class CoreApi {
         coreMoneroConnectionsService.setAutoSwitch(autoSwitch);
     }
 
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Monero node
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    public boolean isMoneroNodeRunning() {
+        return coreMoneroNodeService.isMoneroNodeRunning();
+    }
+
+    public MoneroNodeSettings getMoneroNodeSettings() {
+        return coreMoneroNodeService.getMoneroNodeSettings();
+    }
+
+    public void startMoneroNode(MoneroNodeSettings settings) throws IOException {
+        coreMoneroNodeService.startMoneroNode(settings);
+    }
+
+    public void stopMoneroNode() {
+        coreMoneroNodeService.stopMoneroNode();
+    }
+
     ///////////////////////////////////////////////////////////////////////////////////////////
     // Wallets
     ///////////////////////////////////////////////////////////////////////////////////////////

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

@@ -18,6 +18,7 @@ import javafx.beans.property.SimpleLongProperty;
 import javafx.beans.property.SimpleObjectProperty;
 import javax.inject.Inject;
 import javax.inject.Singleton;
+
 import lombok.extern.slf4j.Slf4j;
 import monero.common.MoneroConnectionManager;
 import monero.common.MoneroConnectionManagerListener;
@@ -36,12 +37,13 @@ public final class CoreMoneroConnectionsService {
 
     // TODO (woodser): support each network type, move to config, remove localhost authentication
     private static final List<MoneroRpcConnection> DEFAULT_CONNECTIONS = Arrays.asList(
-            new MoneroRpcConnection("http://localhost:38081", "superuser", "abctesting123").setPriority(1), // localhost is first priority
+            new MoneroRpcConnection("http://127.0.0.1:38081", "superuser", "abctesting123").setPriority(1), // localhost is first priority, use loopback address to match url generated by local node service
             new MoneroRpcConnection("http://haveno.exchange:38081", "", "").setPriority(2)
     );
 
     private final Object lock = new Object();
     private final CoreAccountService accountService;
+    private final CoreMoneroNodeService nodeService;
     private final MoneroConnectionManager connectionManager;
     private final EncryptedConnectionList connectionList;
     private final ObjectProperty<List<MoneroPeer>> peers = new SimpleObjectProperty<>();
@@ -55,9 +57,11 @@ public final class CoreMoneroConnectionsService {
     @Inject
     public CoreMoneroConnectionsService(WalletsSetup walletsSetup,
                                         CoreAccountService accountService,
+                                        CoreMoneroNodeService nodeService,
                                         MoneroConnectionManager connectionManager,
                                         EncryptedConnectionList connectionList) {
         this.accountService = accountService;
+        this.nodeService = nodeService;
         this.connectionManager = connectionManager;
         this.connectionList = connectionList;
 
@@ -265,7 +269,8 @@ public final class CoreMoneroConnectionsService {
             }
 
             // restore last used connection
-            connectionList.getCurrentConnectionUri().ifPresentOrElse(connectionManager::setConnection, () -> {
+            var currentConnection = connectionList.getCurrentConnectionUri();
+            currentConnection.ifPresentOrElse(connectionManager::setConnection, () -> {
                 connectionManager.setConnection(DEFAULT_CONNECTIONS.get(0).getUri()); // default to localhost
             });
 
@@ -283,6 +288,32 @@ public final class CoreMoneroConnectionsService {
             // run once
             if (!isInitialized) {
 
+                // initialize local monero node
+                nodeService.addListener(new MoneroNodeServiceListener() {
+                    @Override
+                    public void onNodeStarted(MoneroDaemonRpc daemon) {
+                        log.info(getClass() + ".onNodeStarted() called");
+                        setConnection(daemon.getRpcConnection());
+                    }
+
+                    @Override
+                    public void onNodeStopped() {
+                        log.info(getClass() + ".onNodeStopped() called");
+                        checkConnection();
+                    }
+                });
+
+                // start local node if the last connection is local and not running
+                currentConnection.ifPresent(connection -> {
+                    try {
+                        if (nodeService.isMoneroNodeConnection(connection) && !nodeService.isMoneroNodeRunning()) {
+                            nodeService.startMoneroNode();
+                        }
+                    } catch (Exception e) {
+                        log.warn("Unable to start local monero node: " + e.getMessage());
+                    }
+                });
+
                 // register connection change listener
                 connectionManager.addListener(this::onConnectionChanged);
 

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

@@ -0,0 +1,168 @@
+/*
+ * This file is part of Haveno.
+ *
+ * Haveno is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Haveno is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Haveno. If not, see <http://www.gnu.org/licenses/>.
+ */
+package bisq.core.api;
+
+import bisq.core.user.Preferences;
+import bisq.core.xmr.MoneroNodeSettings;
+
+import bisq.common.config.Config;
+
+import javax.inject.Inject;
+import javax.inject.Singleton;
+
+import java.net.URI;
+import java.net.URISyntaxException;
+
+import java.io.File;
+import java.io.IOException;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+import lombok.extern.slf4j.Slf4j;
+
+import monero.common.MoneroRpcConnection;
+import monero.daemon.MoneroDaemonRpc;
+
+/**
+ * Manages a Monero node instance or connection to an instance.
+ */
+@Slf4j
+@Singleton
+public class CoreMoneroNodeService {
+
+    public static final String LOCAL_NODE_ADDRESS = "127.0.0.1"; // expected connection from local MoneroDaemonRpc
+    private static final String MONERO_NETWORK_TYPE = Config.baseCurrencyNetwork().getNetwork().toLowerCase();
+    private static final String MONEROD_PATH = System.getProperty("user.dir") + File.separator + ".localnet" + File.separator + "monerod";
+    private static final String MONEROD_DATADIR =  System.getProperty("user.dir") + File.separator + ".localnet" + File.separator + MONERO_NETWORK_TYPE;
+
+    private final Preferences preferences;
+    private final List<MoneroNodeServiceListener> listeners = new ArrayList<>();
+
+    // required arguments
+    private static final List<String> MONEROD_ARGS = Arrays.asList(
+            MONEROD_PATH,
+            "--" + MONERO_NETWORK_TYPE,
+            "--no-igd",
+            "--hide-my-port",
+            "--rpc-login", "superuser:abctesting123" // TODO: remove authentication
+    );
+
+    // local monero node owned by this process
+    private MoneroDaemonRpc daemon;
+
+    // local monero node for detecting running node not owned by this process
+    private MoneroDaemonRpc defaultMoneroDaemon;
+
+    @Inject
+    public CoreMoneroNodeService(Preferences preferences) {
+        this.daemon = null;
+        this.preferences = preferences;
+        int rpcPort = 18081; // mainnet
+        if (Config.baseCurrencyNetwork().isTestnet()) {
+            rpcPort = 28081;
+        } else if (Config.baseCurrencyNetwork().isStagenet()) {
+            rpcPort = 38081;
+        }
+        // TODO: remove authentication
+        var defaultMoneroConnection = new MoneroRpcConnection("http://" + LOCAL_NODE_ADDRESS + ":" + rpcPort, "superuser", "abctesting123").setPriority(1); // localhost is first priority
+        defaultMoneroDaemon = new MoneroDaemonRpc(defaultMoneroConnection);
+    }
+
+    public void addListener(MoneroNodeServiceListener listener) {
+        listeners.add(listener);
+    }
+
+    public boolean removeListener(MoneroNodeServiceListener listener) {
+        return listeners.remove(listener);
+    }
+
+    /**
+     * Returns whether a connection string URI is a local monero node.
+     */
+    public boolean isMoneroNodeConnection(String connection) throws URISyntaxException {
+        var uri = new URI(connection);
+        return CoreMoneroNodeService.LOCAL_NODE_ADDRESS.equals(uri.getHost());
+    }
+
+    /**
+     * Returns whether the local monero node is running or local daemon connection is running
+     */
+    public boolean isMoneroNodeRunning() {
+        return daemon != null || defaultMoneroDaemon.isConnected();
+    }
+
+    public MoneroNodeSettings getMoneroNodeSettings() {
+        return preferences.getMoneroNodeSettings();
+    }
+
+    /**
+     * Starts a local monero node from settings.
+     */
+    public void startMoneroNode() throws IOException {
+        var settings = preferences.getMoneroNodeSettings();
+        this.startMoneroNode(settings);
+    }
+
+    /**
+     * Starts a local monero node. Throws MoneroError if the node cannot be started.
+     * Persists the settings to preferences if the node started successfully.
+     */
+    public void startMoneroNode(MoneroNodeSettings settings) throws IOException {
+        if (isMoneroNodeRunning()) throw new IllegalStateException("Monero node already running");
+
+        log.info("Starting local Monero node: " + settings);
+
+        var args = new ArrayList<>(MONEROD_ARGS);
+
+        var dataDir = settings.getBlockchainPath();
+        if (dataDir == null || dataDir.isEmpty()) {
+            dataDir = MONEROD_DATADIR;
+        }
+        args.add("--data-dir=" + dataDir);
+
+        var bootstrapUrl = settings.getBootstrapUrl();
+        if (bootstrapUrl != null && !bootstrapUrl.isEmpty()) {
+            args.add("--bootstrap-daemon-address=" + bootstrapUrl);
+        }
+
+        var flags = settings.getStartupFlags();
+        if (flags != null) {
+            args.addAll(flags);
+        }
+
+        daemon = new MoneroDaemonRpc(args);
+        preferences.setMoneroNodeSettings(settings);
+        for (var listener : listeners) listener.onNodeStarted(daemon);
+    }
+
+    /**
+     * Stops the current local monero node if owned by this process.
+     * Does not remove the last MoneroNodeSettings.
+     */
+    public void stopMoneroNode() {
+        if (!isMoneroNodeRunning()) throw new IllegalStateException("Monero node is not running");
+        if (daemon != null) {
+            daemon.stopProcess();
+            daemon = null;
+            for (var listener : listeners) listener.onNodeStopped();
+        } else {
+            defaultMoneroDaemon.stopProcess(); // throws MoneroError
+        }
+    }
+}

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

@@ -0,0 +1,24 @@
+/*
+ * This file is part of Haveno.
+ *
+ * Haveno is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Haveno is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Haveno. If not, see <http://www.gnu.org/licenses/>.
+ */
+package bisq.core.api;
+
+import monero.daemon.MoneroDaemonRpc;
+
+public class MoneroNodeServiceListener {
+    public void onNodeStarted(MoneroDaemonRpc daemon) {}
+    public void onNodeStopped() {}
+}

core/src/main/java/bisq/core/user/Preferences.java

@@ -30,6 +30,7 @@ import bisq.core.locale.TradeCurrency;
 import bisq.core.payment.PaymentAccount;
 import bisq.core.payment.PaymentAccountUtil;
 import bisq.core.provider.fee.FeeService;
+import bisq.core.xmr.MoneroNodeSettings;
 
 import bisq.network.p2p.network.BridgeAddressProvider;
 
@@ -166,7 +167,6 @@ public final class Preferences implements PersistedDataHost, BridgeAddressProvid
     @Getter
     private final BooleanProperty useStandbyModeProperty = new SimpleBooleanProperty(prefPayload.isUseStandbyMode());
 
-
     ///////////////////////////////////////////////////////////////////////////////////////////
     // Constructor
     ///////////////////////////////////////////////////////////////////////////////////////////
@@ -708,6 +708,10 @@ public final class Preferences implements PersistedDataHost, BridgeAddressProvid
         requestPersistence();
     }
 
+    public void setMoneroNodeSettings(MoneroNodeSettings settings) {
+        prefPayload.setMoneroNodeSettings(settings);
+        requestPersistence();
+    }
 
     ///////////////////////////////////////////////////////////////////////////////////////////
     // Getter
@@ -957,5 +961,7 @@ public final class Preferences implements PersistedDataHost, BridgeAddressProvid
         void setDenyApiTaker(boolean value);
 
         void setNotifyOnPreRelease(boolean value);
+
+        void setMoneroNodeSettings(MoneroNodeSettings settings);
     }
 }

core/src/main/java/bisq/core/user/PreferencesPayload.java

@@ -23,6 +23,7 @@ import bisq.core.locale.FiatCurrency;
 import bisq.core.locale.TradeCurrency;
 import bisq.core.payment.PaymentAccount;
 import bisq.core.proto.CoreProtoResolver;
+import bisq.core.xmr.MoneroNodeSettings;
 
 import bisq.common.proto.ProtoUtil;
 import bisq.common.proto.persistable.PersistableEnvelope;
@@ -130,6 +131,8 @@ public final class PreferencesPayload implements PersistableEnvelope {
     private boolean denyApiTaker;
     private boolean notifyOnPreRelease;
 
+    private MoneroNodeSettings moneroNodeSettings;
+
     ///////////////////////////////////////////////////////////////////////////////////////////
     // Constructor
     ///////////////////////////////////////////////////////////////////////////////////////////
@@ -201,8 +204,7 @@ public final class PreferencesPayload implements PersistableEnvelope {
         Optional.ofNullable(tradeChartsScreenCurrencyCode).ifPresent(builder::setTradeChartsScreenCurrencyCode);
         Optional.ofNullable(buyScreenCurrencyCode).ifPresent(builder::setBuyScreenCurrencyCode);
         Optional.ofNullable(sellScreenCurrencyCode).ifPresent(builder::setSellScreenCurrencyCode);
-        Optional.ofNullable(selectedPaymentAccountForCreateOffer).ifPresent(
+        Optional.ofNullable(selectedPaymentAccountForCreateOffer).ifPresent(account -> builder.setSelectedPaymentAccountForCreateOffer(account.toProtoMessage()));
-                account -> builder.setSelectedPaymentAccountForCreateOffer(selectedPaymentAccountForCreateOffer.toProtoMessage()));
         Optional.ofNullable(bridgeAddresses).ifPresent(builder::addAllBridgeAddresses);
         Optional.ofNullable(customBridges).ifPresent(builder::setCustomBridges);
         Optional.ofNullable(referralId).ifPresent(builder::setReferralId);
@@ -210,7 +212,7 @@ public final class PreferencesPayload implements PersistableEnvelope {
         Optional.ofNullable(rpcUser).ifPresent(builder::setRpcUser);
         Optional.ofNullable(rpcPw).ifPresent(builder::setRpcPw);
         Optional.ofNullable(takeOfferSelectedPaymentAccountId).ifPresent(builder::setTakeOfferSelectedPaymentAccountId);
-
+        Optional.ofNullable(moneroNodeSettings).ifPresent(settings -> builder.setMoneroNodeSettings(settings.toProtoMessage()));
         return protobuf.PersistableEnvelope.newBuilder().setPreferencesPayload(builder).build();
     }
 
@@ -286,7 +288,8 @@ public final class PreferencesPayload implements PersistableEnvelope {
                 proto.getHideNonAccountPaymentMethods(),
                 proto.getShowOffersMatchingMyAccounts(),
                 proto.getDenyApiTaker(),
-                proto.getNotifyOnPreRelease()
+                proto.getNotifyOnPreRelease(),
+                MoneroNodeSettings.fromProto(proto.getMoneroNodeSettings())
         );
     }
 }

core/src/main/java/bisq/core/xmr/MoneroNodeSettings.java

@@ -0,0 +1,50 @@
+/*
+ * This file is part of Haveno.
+ *
+ * Haveno is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Haveno is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Haveno. If not, see <http://www.gnu.org/licenses/>.
+ */
+package bisq.core.xmr;
+
+import bisq.common.proto.persistable.PersistableEnvelope;
+
+import java.util.List;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.extern.slf4j.Slf4j;
+
+@Slf4j
+@Data
+@AllArgsConstructor
+public class MoneroNodeSettings implements PersistableEnvelope {
+
+    String blockchainPath;
+    String bootstrapUrl;
+    List<String> startupFlags;
+
+    public static MoneroNodeSettings fromProto(protobuf.MoneroNodeSettings proto) {
+        return new MoneroNodeSettings(
+                proto.getBlockchainPath(),
+                proto.getBootstrapUrl(),
+                proto.getStartupFlagsList());
+    }
+
+    @Override
+    public protobuf.MoneroNodeSettings toProtoMessage() {
+        return protobuf.MoneroNodeSettings.newBuilder()
+                .setBlockchainPath(blockchainPath)
+                .setBootstrapUrl(bootstrapUrl)
+                .addAllStartupFlags(startupFlags).build();
+    }
+}

daemon/src/main/java/bisq/daemon/grpc/GrpcMoneroNodeService.java

@@ -0,0 +1,156 @@
+/*
+ * This file is part of Haveno.
+ *
+ * Haveno is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Haveno is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Haveno. If not, see <http://www.gnu.org/licenses/>.
+ */
+package bisq.daemon.grpc;
+
+import bisq.core.api.CoreApi;
+import bisq.core.xmr.MoneroNodeSettings;
+
+import bisq.proto.grpc.GetMoneroNodeSettingsReply;
+import bisq.proto.grpc.GetMoneroNodeSettingsRequest;
+import bisq.proto.grpc.IsMoneroNodeRunningReply;
+import bisq.proto.grpc.IsMoneroNodeRunningRequest;
+import bisq.proto.grpc.MoneroNodeGrpc.MoneroNodeImplBase;
+import bisq.proto.grpc.StartMoneroNodeReply;
+import bisq.proto.grpc.StartMoneroNodeRequest;
+import bisq.proto.grpc.StopMoneroNodeReply;
+import bisq.proto.grpc.StopMoneroNodeRequest;
+
+import io.grpc.ServerInterceptor;
+import io.grpc.stub.StreamObserver;
+
+import javax.inject.Inject;
+
+import java.util.HashMap;
+import java.util.Optional;
+
+import lombok.extern.slf4j.Slf4j;
+
+import static bisq.daemon.grpc.interceptor.GrpcServiceRateMeteringConfig.getCustomRateMeteringInterceptor;
+import static bisq.proto.grpc.MoneroNodeGrpc.getStartMoneroNodeMethod;
+import static bisq.proto.grpc.MoneroNodeGrpc.getStopMoneroNodeMethod;
+import static bisq.proto.grpc.MoneroNodeGrpc.getIsMoneroNodeRunningMethod;
+import static bisq.proto.grpc.MoneroNodeGrpc.getGetMoneroNodeSettingsMethod;
+import static java.util.concurrent.TimeUnit.SECONDS;
+
+import bisq.daemon.grpc.interceptor.CallRateMeteringInterceptor;
+import bisq.daemon.grpc.interceptor.GrpcCallRateMeter;
+import monero.common.MoneroError;
+
+@Slf4j
+public class GrpcMoneroNodeService extends MoneroNodeImplBase {
+
+    private final CoreApi coreApi;
+    private final GrpcExceptionHandler exceptionHandler;
+
+    @Inject
+    public GrpcMoneroNodeService(CoreApi coreApi, GrpcExceptionHandler exceptionHandler) {
+        this.coreApi = coreApi;
+        this.exceptionHandler = exceptionHandler;
+    }
+
+    @Override
+    public void isMoneroNodeRunning(IsMoneroNodeRunningRequest request,
+                                    StreamObserver<IsMoneroNodeRunningReply> responseObserver) {
+        try {
+            var reply = IsMoneroNodeRunningReply.newBuilder()
+                    .setIsRunning(coreApi.isMoneroNodeRunning())
+                    .build();
+            responseObserver.onNext(reply);
+            responseObserver.onCompleted();
+        } catch (Throwable cause) {
+            exceptionHandler.handleException(log, cause, responseObserver);
+        }
+    }
+
+    @Override
+    public void getMoneroNodeSettings(GetMoneroNodeSettingsRequest request,
+                                      StreamObserver<GetMoneroNodeSettingsReply> responseObserver) {
+        try {
+            var settings = coreApi.getMoneroNodeSettings();
+            var builder = GetMoneroNodeSettingsReply.newBuilder();
+            if (settings != null) {
+                builder.setSettings(settings.toProtoMessage());
+            }
+            var reply = builder.build();
+            responseObserver.onNext(reply);
+            responseObserver.onCompleted();
+        } catch (Throwable cause) {
+            exceptionHandler.handleException(log, cause, responseObserver);
+        }
+    }
+
+    @Override
+    public void startMoneroNode(StartMoneroNodeRequest request,
+                                StreamObserver<StartMoneroNodeReply> responseObserver) {
+        try {
+            var settings = request.getSettings();
+            coreApi.startMoneroNode(MoneroNodeSettings.fromProto(settings));
+            var reply = StartMoneroNodeReply.newBuilder().build();
+            responseObserver.onNext(reply);
+            responseObserver.onCompleted();
+        } catch (MoneroError me) {
+            handleMoneroError(me, responseObserver);
+        } catch (Throwable cause) {
+            exceptionHandler.handleException(log, cause, responseObserver);
+        }
+    }
+
+    @Override
+    public void stopMoneroNode(StopMoneroNodeRequest request,
+                               StreamObserver<StopMoneroNodeReply> responseObserver) {
+        try {
+            coreApi.stopMoneroNode();
+            var reply = StopMoneroNodeReply.newBuilder().build();
+            responseObserver.onNext(reply);
+            responseObserver.onCompleted();
+        } catch (MoneroError me) {
+            handleMoneroError(me, responseObserver);
+        } catch (Throwable cause) {
+            exceptionHandler.handleException(log, cause, responseObserver);
+        }
+    }
+
+    private void handleMoneroError(MoneroError me, StreamObserver<?> responseObserver) {
+        // MoneroError is caused by the node startup failing, don't treat as unknown server error
+        // by wrapping with a handled exception type.
+        var headerLengthLimit = 8192; // MoneroErrors may print the entire monerod help text which causes a header overflow in grpc
+        if (me.getMessage().length() > headerLengthLimit) {
+            exceptionHandler.handleException(log, new IllegalStateException(me.getMessage().substring(0, headerLengthLimit - 1)), responseObserver);
+        } else {
+            exceptionHandler.handleException(log, new IllegalStateException(me), responseObserver);
+        }
+    }
+
+    final ServerInterceptor[] interceptors() {
+        Optional<ServerInterceptor> rateMeteringInterceptor = rateMeteringInterceptor();
+        return rateMeteringInterceptor.map(serverInterceptor ->
+                new ServerInterceptor[]{serverInterceptor}).orElseGet(() -> new ServerInterceptor[0]);
+    }
+
+    private Optional<ServerInterceptor> rateMeteringInterceptor() {
+        return getCustomRateMeteringInterceptor(coreApi.getConfig().appDataDir, this.getClass())
+                .or(() -> Optional.of(CallRateMeteringInterceptor.valueOf(
+                        new HashMap<>() {{
+                            int allowedCallsPerTimeWindow = 10;
+                            put(getIsMoneroNodeRunningMethod().getFullMethodName(), new GrpcCallRateMeter(allowedCallsPerTimeWindow, SECONDS));
+                            put(getGetMoneroNodeSettingsMethod().getFullMethodName(), new GrpcCallRateMeter(allowedCallsPerTimeWindow, SECONDS));
+                            put(getStartMoneroNodeMethod().getFullMethodName(), new GrpcCallRateMeter(allowedCallsPerTimeWindow, SECONDS));
+                            put(getStopMoneroNodeMethod().getFullMethodName(), new GrpcCallRateMeter(allowedCallsPerTimeWindow, SECONDS));
+                        }}
+                )));
+    }
+}

daemon/src/main/java/bisq/daemon/grpc/GrpcServer.java

@@ -62,7 +62,8 @@ public class GrpcServer {
                       GrpcTradesService tradesService,
                       GrpcWalletsService walletsService,
                       GrpcNotificationsService notificationsService,
-                      GrpcMoneroConnectionsService moneroConnectionsService) {
+                      GrpcMoneroConnectionsService moneroConnectionsService,
+                      GrpcMoneroNodeService moneroNodeService) {
         this.server = ServerBuilder.forPort(config.apiPort)
                 .executor(UserThread.getExecutor())
                 .addService(interceptForward(accountService, accountService.interceptors()))
@@ -79,6 +80,7 @@ public class GrpcServer {
                 .addService(interceptForward(walletsService, walletsService.interceptors()))
                 .addService(interceptForward(notificationsService, notificationsService.interceptors()))
                 .addService(interceptForward(moneroConnectionsService, moneroConnectionsService.interceptors()))
+                .addService(interceptForward(moneroNodeService, moneroNodeService.interceptors()))
                 .intercept(passwordAuthInterceptor)
                 .build();
         coreContext.setApiUser(true);

proto/src/main/proto/grpc.proto

@@ -382,6 +382,48 @@ message SetAutoSwitchRequest {
 
 message SetAutoSwitchReply {}
 
+///////////////////////////////////////////////////////////////////////////////////////////
+// MoneroNode
+///////////////////////////////////////////////////////////////////////////////////////////
+
+service MoneroNode {
+    rpc IsMoneroNodeRunning (IsMoneroNodeRunningRequest) returns (IsMoneroNodeRunningReply) {
+    }
+    rpc GetMoneroNodeSettings (GetMoneroNodeSettingsRequest) returns (GetMoneroNodeSettingsReply) {
+    }
+    rpc StartMoneroNode (StartMoneroNodeRequest) returns (StartMoneroNodeReply) {
+    }
+    rpc StopMoneroNode (StopMoneroNodeRequest) returns (StopMoneroNodeReply) {
+    }
+}
+
+message IsMoneroNodeRunningRequest {
+}
+
+message IsMoneroNodeRunningReply {
+    bool is_running = 1;
+}
+
+message GetMoneroNodeSettingsRequest {
+}
+
+message GetMoneroNodeSettingsReply {
+    MoneroNodeSettings settings = 1; // pb.proto
+}
+
+message StartMoneroNodeRequest {
+    MoneroNodeSettings settings = 1;
+}
+
+message StartMoneroNodeReply {
+}
+
+message StopMoneroNodeRequest {
+}
+
+message StopMoneroNodeReply {
+}
+
 ///////////////////////////////////////////////////////////////////////////////////////////
 // Offers
 ///////////////////////////////////////////////////////////////////////////////////////////

proto/src/main/proto/pb.proto

@@ -1814,6 +1814,7 @@ message PreferencesPayload {
     bool show_offers_matching_my_accounts = 55;
     bool deny_api_taker = 56;
     bool notify_on_pre_release = 57;
+    MoneroNodeSettings monero_node_settings = 58;
 }
 
 message AutoConfirmSettings {
@@ -1824,6 +1825,12 @@ message AutoConfirmSettings {
     string currency_code = 5;
 }
 
+message MoneroNodeSettings {
+    string blockchain_path = 1;
+    string bootstrap_url = 2;
+    repeated string startup_flags = 3;
+}
+
 ///////////////////////////////////////////////////////////////////////////////////////////
 // UserPayload
 ///////////////////////////////////////////////////////////////////////////////////////////