reclassify public nodes and use if no provided nodes available (#1315)

core/src/main/java/haveno/core/api/XmrConnectionService.java

@@ -718,10 +718,15 @@ public final class XmrConnectionService {
                     // skip handling if shutting down
                     if (isShutDownStarted) return;
 
-                    // fallback to provided nodes if custom connection fails on startup
+                    // fallback to provided or public nodes if custom connection fails on startup
                     if (lastInfo == null && "".equals(config.xmrNode) && preferences.getMoneroNodesOption() == XmrNodes.MoneroNodesOption.CUSTOM) {
+                        if (xmrNodes.getProvidedXmrNodes().isEmpty()) {
+                            log.warn("Failed to fetch daemon info from custom node on startup, falling back to public nodes: " + e.getMessage());
+                            preferences.setMoneroNodesOptionOrdinal(XmrNodes.MoneroNodesOption.PUBLIC.ordinal());
+                        } else {
                             log.warn("Failed to fetch daemon info from custom node on startup, falling back to provided nodes: " + e.getMessage());
                             preferences.setMoneroNodesOptionOrdinal(XmrNodes.MoneroNodesOption.PROVIDED.ordinal());
+                        }
                         initializeConnections();
                         return;
                     }

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

@@ -38,6 +38,7 @@ import haveno.core.payment.PaymentAccountUtil;
 import haveno.core.xmr.XmrNodeSettings;
 import haveno.core.xmr.nodes.XmrNodes;
 import haveno.core.xmr.nodes.XmrNodes.MoneroNodesOption;
+import haveno.core.xmr.nodes.XmrNodesSetupPreferences;
 import haveno.core.xmr.wallet.Restrictions;
 import haveno.network.p2p.network.BridgeAddressProvider;
 import java.util.ArrayList;
@@ -130,6 +131,7 @@ public final class Preferences implements PersistedDataHost, BridgeAddressProvid
     private final PersistenceManager<PreferencesPayload> persistenceManager;
     private final Config config;
     private final String xmrNodesFromOptions;
+    private final XmrNodes xmrNodes;
     @Getter
     private final BooleanProperty useStandbyModeProperty = new SimpleBooleanProperty(prefPayload.isUseStandbyMode());
     @Getter
@@ -142,11 +144,13 @@ public final class Preferences implements PersistedDataHost, BridgeAddressProvid
     @Inject
     public Preferences(PersistenceManager<PreferencesPayload> persistenceManager,
                        Config config,
-                       @Named(Config.XMR_NODES) String xmrNodesFromOptions) {
+                       @Named(Config.XMR_NODES) String xmrNodesFromOptions,
+                       XmrNodes xmrNodes) {
 
         this.persistenceManager = persistenceManager;
         this.config = config;
         this.xmrNodesFromOptions = xmrNodesFromOptions;
+        this.xmrNodes = xmrNodes;
 
         useAnimationsProperty.addListener((ov) -> {
             prefPayload.setUseAnimations(useAnimationsProperty.get());
@@ -284,6 +288,12 @@ public final class Preferences implements PersistedDataHost, BridgeAddressProvid
         if (config.useTorForXmrOptionSetExplicitly)
             setUseTorForXmr(config.useTorForXmr);
 
+        // switch to public nodes if no provided nodes available
+        if (getMoneroNodesOptionOrdinal() == XmrNodes.MoneroNodesOption.PROVIDED.ordinal() && xmrNodes.selectPreferredNodes(new XmrNodesSetupPreferences(this)).isEmpty()) {
+            log.warn("No provided nodes available, switching to public nodes");
+            setMoneroNodesOptionOrdinal(XmrNodes.MoneroNodesOption.PUBLIC.ordinal());
+        }
+
         if (xmrNodesFromOptions != null && !xmrNodesFromOptions.isEmpty()) {
             if (getMoneroNodes() != null && !getMoneroNodes().equals(xmrNodesFromOptions)) {
                 log.warn("The Monero node(s) from the program argument and the one(s) persisted in the UI are different. " +

core/src/main/java/haveno/core/xmr/nodes/XmrNodes.java

@@ -83,16 +83,15 @@ public class XmrNodes {
                 );
             case XMR_MAINNET:
                 return Arrays.asList(
-                    new XmrNode(MoneroNodesOption.PROVIDED, null, null, "127.0.0.1", 18081, 1, "@local"),
+                    new XmrNode(MoneroNodesOption.PUBLIC, null, null, "127.0.0.1", 18081, 1, "@local"),
-                    new XmrNode(MoneroNodesOption.PROVIDED, null, null, "xmr-node.cakewallet.com", 18081, 2, "@cakewallet"),
+                    new XmrNode(MoneroNodesOption.PUBLIC, null, null, "xmr-node.cakewallet.com", 18081, 2, "@cakewallet"),
-                    new XmrNode(MoneroNodesOption.PROVIDED, null, null, "node.community.rino.io", 18081, 2, "@RINOwallet"),
+                    new XmrNode(MoneroNodesOption.PUBLIC, null, null, "node.community.rino.io", 18081, 2, "@RINOwallet"),
-                    new XmrNode(MoneroNodesOption.PROVIDED, null, null, "nodes.hashvault.pro", 18080, 2, "@HashVault"),
+                    new XmrNode(MoneroNodesOption.PUBLIC, null, null, "nodes.hashvault.pro", 18080, 2, "@HashVault"),
-                    new XmrNode(MoneroNodesOption.PROVIDED, null, null, "p2pmd.xmrvsbeast.com", 18080, 2, "@xmrvsbeast"),
+                    new XmrNode(MoneroNodesOption.PUBLIC, null, null, "p2pmd.xmrvsbeast.com", 18080, 2, "@xmrvsbeast"),
-                    new XmrNode(MoneroNodesOption.PROVIDED, null, null, "node.monerodevs.org", 18089, 2, "@monerodevs.org"),
+                    new XmrNode(MoneroNodesOption.PUBLIC, null, null, "node.monerodevs.org", 18089, 2, "@monerodevs.org"),
-                    new XmrNode(MoneroNodesOption.PROVIDED, null, null, "nodex.monerujo.io", 18081, 2, "@monerujo.io"),
+                    new XmrNode(MoneroNodesOption.PUBLIC, null, null, "nodex.monerujo.io", 18081, 2, "@monerujo.io"),
                     new XmrNode(MoneroNodesOption.PUBLIC, null, null, "rucknium.me", 18081, 2, "@Rucknium"),
-                    new XmrNode(MoneroNodesOption.PUBLIC, null, null, "node.sethforprivacy.com", 18089, 2, "@sethforprivacy"),
+                    new XmrNode(MoneroNodesOption.PUBLIC, null, null, "node.sethforprivacy.com", 18089, 2, "@sethforprivacy")
-                    new XmrNode(MoneroNodesOption.PUBLIC, null, null, "node3.monerodevs.org", 18089, 2, "@monerodevs.org")
                 );
             default:
                 throw new IllegalStateException("Unexpected base currency network: " + Config.baseCurrencyNetwork());

core/src/test/java/haveno/core/user/PreferencesTest.java

@@ -58,7 +58,7 @@ public class PreferencesTest {
         Config config = new Config();
         XmrLocalNode xmrLocalNode = new XmrLocalNode(config, preferences);
         preferences = new Preferences(
-                persistenceManager, config, null);
+                persistenceManager, config, null, null);
     }
 
     @Test

desktop/src/main/java/haveno/desktop/main/settings/network/NetworkSettingsView.java

@@ -282,6 +282,12 @@ public class NetworkSettingsView extends ActivatableView<GridPane, Void> {
         };
         filterPropertyListener = (observable, oldValue, newValue) -> applyPreventPublicXmrNetwork();
 
+        // disable radio buttons if no nodes available
+        if (xmrNodes.getProvidedXmrNodes().isEmpty()) {
+            useProvidedNodesRadio.setDisable(true);
+        }
+        usePublicNodesRadio.setDisable(isPublicNodesDisabled());
+
         //TODO sorting needs other NetworkStatisticListItem as columns type
        /* creationDateColumn.setComparator((o1, o2) ->
                 o1.statistic.getCreationDate().compareTo(o2.statistic.getCreationDate()));
@@ -433,7 +439,7 @@ public class NetworkSettingsView extends ActivatableView<GridPane, Void> {
     }
 
     private void onMoneroPeersToggleSelected(boolean calledFromUser) {
-        usePublicNodesRadio.setDisable(isPreventPublicXmrNetwork());
+        usePublicNodesRadio.setDisable(isPublicNodesDisabled());
 
         XmrNodes.MoneroNodesOption currentMoneroNodesOption = XmrNodes.MoneroNodesOption.values()[preferences.getMoneroNodesOptionOrdinal()];
 
@@ -493,7 +499,7 @@ public class NetworkSettingsView extends ActivatableView<GridPane, Void> {
 
     private void applyPreventPublicXmrNetwork() {
         final boolean preventPublicXmrNetwork = isPreventPublicXmrNetwork();
-        usePublicNodesRadio.setDisable(xmrLocalNode.shouldBeUsed() || preventPublicXmrNetwork);
+        usePublicNodesRadio.setDisable(isPublicNodesDisabled());
         if (preventPublicXmrNetwork && selectedMoneroNodesOption == XmrNodes.MoneroNodesOption.PUBLIC) {
             selectedMoneroNodesOption = XmrNodes.MoneroNodesOption.PROVIDED;
             preferences.setMoneroNodesOptionOrdinal(selectedMoneroNodesOption.ordinal());
@@ -502,6 +508,10 @@ public class NetworkSettingsView extends ActivatableView<GridPane, Void> {
         }
     }
 
+    private boolean isPublicNodesDisabled() {
+        return xmrNodes.getPublicXmrNodes().isEmpty() || isPreventPublicXmrNetwork();
+    }
+
     private void updateP2PTable() {
         if (connectionService.isShutDownStarted()) return; // ignore if shutting down
         p2pPeersTableView.getItems().forEach(P2pNetworkListItem::cleanup);

desktop/src/test/java/haveno/desktop/maker/PreferenceMakers.java

@@ -39,7 +39,8 @@ public class PreferenceMakers {
     public static final Instantiator<Preferences> Preferences = lookup -> new Preferences(
             lookup.valueOf(storage, new SameValueDonor<PersistenceManager>(null)),
             lookup.valueOf(config, new SameValueDonor<Config>(null)),
-            lookup.valueOf(useTorFlagFromOptions, new SameValueDonor<String>(null))
+            lookup.valueOf(useTorFlagFromOptions, new SameValueDonor<String>(null)),
+            null
             );
 
     public static final Preferences empty = make(a(Preferences));