feat: add network graph reset to recovery

app/src/main/java/to/bitkit/ext/Context.kt

@@ -20,6 +20,7 @@ import androidx.core.app.NotificationManagerCompat
 import androidx.core.content.ContextCompat
 import androidx.core.net.toUri
 import to.bitkit.R
+import to.bitkit.androidServices.LightningNodeService
 import java.io.InputStream
 
 // System Services
@@ -89,3 +90,15 @@ fun Context.startActivityAppSettings() {
         startActivity(Intent(Settings.ACTION_SETTINGS))
     }
 }
+
+fun Context.relaunchApp() {
+    // Stop the foreground node service (its onDestroy stops the LDK node) before relaunching.
+    runCatching { stopService(Intent(this, LightningNodeService::class.java)) }
+
+    val launchIntent = packageManager.getLaunchIntentForPackage(packageName)
+        ?.apply { addFlags(Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TASK) }
+    if (launchIntent != null) {
+        startActivity(launchIntent)
+    }
+    Runtime.getRuntime().exit(0)
+}

app/src/main/java/to/bitkit/repositories/LightningRepo.kt

@@ -361,15 +361,7 @@ class LightningRepo @Inject constructor(
                     Logger.warn("Network graph is stale, resetting and restarting...", context = TAG)
 
                     lightningService.stop()
-                    lightningService.resetNetworkGraph(walletIndex)
-
-                    runCatching {
-                        vssBackupClientLdk.setup(walletIndex).getOrThrow()
-                        vssBackupClientLdk.deleteObject("network_graph").getOrThrow()
-                        Logger.info("Cleared stale network graph from VSS (first delete)", context = TAG)
-                    }.onFailure {
-                        Logger.warn("Failed to clear graph from VSS (first delete)", it, context = TAG)
-                    }
+                    clearNetworkGraph(walletIndex)
 
                     _lightningState.update { it.copy(nodeLifecycleState = NodeLifecycleState.Stopped) }
                     shouldRestartForGraphReset = true
@@ -485,6 +477,28 @@ class LightningRepo @Inject constructor(
         }
     }
 
+    suspend fun resetNetworkGraph(walletIndex: Int = 0): Result<Unit> = withContext(bgDispatcher) {
+        Logger.warn("Resetting network graph (manual)", context = TAG)
+        runCatching {
+            if (lightningService.node != null) {
+                lightningService.stop()
+            }
+            // Propagate VSS failures: a manual reset that leaves the graph in VSS is ineffective.
+            clearNetworkGraph(walletIndex).getOrThrow()
+        }
+    }
+
+    private suspend fun clearNetworkGraph(walletIndex: Int): Result<Unit> {
+        lightningService.resetNetworkGraph(walletIndex)
+        return runCatching {
+            vssBackupClientLdk.setup(walletIndex).getOrThrow()
+            vssBackupClientLdk.deleteObject("network_graph").getOrThrow()
+            Logger.info("Cleared network graph from VSS", context = TAG)
+        }.onFailure {
+            Logger.warn("Failed to clear network graph from VSS", it, context = TAG)
+        }
+    }
+
     @Suppress("TooGenericExceptionCaught")
     suspend fun sync(): Result<Unit> = executeWhenNodeRunning("sync") {
         // If sync is in progress, mark pending and skip

app/src/main/java/to/bitkit/ui/screens/recovery/RecoveryModeScreen.kt

@@ -73,6 +73,9 @@ fun RecoveryModeScreen(
                 recoveryViewModel.wipeWallet()
             },
             onWipeCancel = recoveryViewModel::hideWipeConfirmation,
+            onResetGraph = recoveryViewModel::showGraphResetConfirmation,
+            onResetGraphConfirm = recoveryViewModel::resetNetworkGraph,
+            onResetGraphCancel = recoveryViewModel::hideGraphResetConfirmation,
         )
 
         AnimatedVisibility(
@@ -107,6 +110,9 @@ private fun Content(
     onWipeApp: () -> Unit,
     onWipeConfirm: () -> Unit,
     onWipeCancel: () -> Unit,
+    onResetGraph: () -> Unit,
+    onResetGraphConfirm: () -> Unit,
+    onResetGraphCancel: () -> Unit,
 ) {
     Column(
         modifier = Modifier
@@ -147,6 +153,13 @@ private fun Content(
                     onClick = onContactSupport,
                 )
 
+                SecondaryButton(
+                    text = stringResource(R.string.security__reset_graph_button),
+                    isLoading = uiState.isResettingGraph,
+                    onClick = onResetGraph,
+                    enabled = walletExists,
+                )
+
                 SecondaryButton(
                     text = stringResource(R.string.security__wipe_app),
                     enabled = walletExists,
@@ -166,6 +179,17 @@ private fun Content(
             onDismiss = onWipeCancel,
         )
     }
+
+    if (uiState.showGraphResetConfirmation) {
+        AppAlertDialog(
+            onDismissRequest = onResetGraphCancel,
+            title = stringResource(R.string.security__reset_graph_dialog_title),
+            text = stringResource(R.string.security__reset_graph_dialog_desc),
+            confirmText = stringResource(R.string.security__reset_graph_confirm),
+            onConfirm = onResetGraphConfirm,
+            onDismiss = onResetGraphCancel,
+        )
+    }
 }
 
 @Preview(showSystemUi = true)
@@ -181,6 +205,9 @@ private fun Preview() {
             onWipeApp = {},
             onWipeConfirm = {},
             onWipeCancel = {},
+            onResetGraph = {},
+            onResetGraphConfirm = {},
+            onResetGraphCancel = {},
         )
     }
 }

app/src/main/java/to/bitkit/ui/screens/recovery/RecoveryViewModel.kt

@@ -3,11 +3,13 @@ package to.bitkit.ui.screens.recovery
 import android.content.Context
 import android.content.Intent
 import android.net.Uri
+import androidx.compose.runtime.Immutable
 import androidx.core.net.toUri
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import dagger.hilt.android.lifecycle.HiltViewModel
 import dagger.hilt.android.qualifiers.ApplicationContext
+import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.asStateFlow
@@ -17,13 +19,15 @@ import kotlinx.coroutines.launch
 import to.bitkit.R
 import to.bitkit.data.SettingsStore
 import to.bitkit.env.Env
+import to.bitkit.ext.relaunchApp
 import to.bitkit.models.Toast
 import to.bitkit.repositories.LightningRepo
 import to.bitkit.repositories.LogsRepo
 import to.bitkit.repositories.WalletRepo
 import to.bitkit.ui.shared.toast.ToastEventBus
 import to.bitkit.utils.Logger
 import javax.inject.Inject
+import kotlin.time.Duration.Companion.seconds
 
 @HiltViewModel
 class RecoveryViewModel @Inject constructor(
@@ -116,6 +120,42 @@ class RecoveryViewModel @Inject constructor(
         _uiState.update { it.copy(showWipeConfirmation = false) }
     }
 
+    fun showGraphResetConfirmation() {
+        _uiState.update { it.copy(showGraphResetConfirmation = true) }
+    }
+
+    fun hideGraphResetConfirmation() {
+        _uiState.update { it.copy(showGraphResetConfirmation = false) }
+    }
+
+    fun resetNetworkGraph() {
+        viewModelScope.launch {
+            _uiState.update { it.copy(isResettingGraph = true, showGraphResetConfirmation = false) }
+
+            lightningRepo.resetNetworkGraph().fold(
+                onSuccess = {
+                    ToastEventBus.send(
+                        type = Toast.ToastType.SUCCESS,
+                        title = context.getString(R.string.security__reset_graph_success_title),
+                        description = context.getString(R.string.security__reset_graph_success_description),
+                    )
+                    // Keep the loading state and restart so the graph is re-downloaded on next launch.
+                    delay(RESTART_DELAY)
+                    context.relaunchApp()
+                },
+                onFailure = { error ->
+                    Logger.error("Failed to reset network graph", error, context = TAG)
+                    ToastEventBus.send(
+                        type = Toast.ToastType.ERROR,
+                        title = context.getString(R.string.common__error),
+                        description = context.getString(R.string.security__reset_graph_error),
+                    )
+                    _uiState.update { it.copy(isResettingGraph = false) }
+                },
+            )
+        }
+    }
+
     fun wipeWallet() {
         viewModelScope.launch {
             walletRepo.wipeWallet().onFailure { error ->
@@ -181,12 +221,16 @@ class RecoveryViewModel @Inject constructor(
     private companion object {
         const val TAG = "RecoveryViewModel"
         private const val SUBJECT = "Bitkit Support"
+        private val RESTART_DELAY = 5.seconds
     }
 }
 
+@Immutable
 data class RecoveryUiState(
     val isExportingLogs: Boolean = false,
     val showWipeConfirmation: Boolean = false,
+    val showGraphResetConfirmation: Boolean = false,
+    val isResettingGraph: Boolean = false,
     val errorMessage: String? = null,
     val authAction: PendingAuthAction = PendingAuthAction.None,
     val isPinEnabled: Boolean = false,

app/src/main/res/values/strings.xml

@@ -678,6 +678,13 @@
     <string name="security__reset_confirm">Yes, Reset</string>
     <string name="security__reset_dialog_desc">Are you sure you want to reset your Bitkit Wallet? Do you have a backup of your recovery phrase and wallet data?</string>
     <string name="security__reset_dialog_title">Reset Bitkit?</string>
+    <string name="security__reset_graph_button">Reset Network Graph</string>
+    <string name="security__reset_graph_confirm">Yes, Reset</string>
+    <string name="security__reset_graph_dialog_desc">This clears the cached Lightning network graph so it is downloaded again from scratch. It can fix \"route not found\" errors. Bitkit will restart automatically.</string>
+    <string name="security__reset_graph_dialog_title">Reset Network Graph?</string>
+    <string name="security__reset_graph_error">Could not reset the network graph. Please try again.</string>
+    <string name="security__reset_graph_success_description">Bitkit will restart in a few seconds to download a fresh network graph.</string>
+    <string name="security__reset_graph_success_title">Network Graph Reset</string>
     <string name="security__reset_text">Back up your wallet first to avoid loss of your funds and wallet data. Resetting will overwrite your current Bitkit setup.</string>
     <string name="security__reset_title">Reset And Restore</string>
     <string name="security__success_bio">You have successfully set up a PIN code and {biometricsName} to improve wallet security.</string>

app/src/test/java/to/bitkit/repositories/LightningRepoTest.kt

@@ -175,6 +175,31 @@ class LightningRepoTest : BaseUnitTest() {
         }
     }
 
+    @Test
+    fun `resetNetworkGraph clears local cache and VSS copy`() = test {
+        whenever(vssBackupClientLdk.setup(any())).thenReturn(Result.success(Unit))
+        whenever(vssBackupClientLdk.deleteObject(any(), any())).thenReturn(Result.success(true))
+
+        val result = sut.resetNetworkGraph()
+
+        assertTrue(result.isSuccess)
+        verify(lightningService).resetNetworkGraph(0)
+        verify(vssBackupClientLdk).setup(0)
+        verify(vssBackupClientLdk).deleteObject(eq("network_graph"), any())
+    }
+
+    @Test
+    fun `resetNetworkGraph fails when VSS delete fails`() = test {
+        whenever(vssBackupClientLdk.setup(any())).thenReturn(Result.success(Unit))
+        whenever(vssBackupClientLdk.deleteObject(any(), any()))
+            .thenReturn(Result.failure(RuntimeException("vss unavailable")))
+
+        val result = sut.resetNetworkGraph()
+
+        assertTrue(result.isFailure)
+        verify(lightningService).resetNetworkGraph(0)
+    }
+
     @Test
     fun `newAddress should fail when node is not running`() = test {
         val result = sut.newAddress()

changelog.d/next/1020.fixed.md

@@ -0,0 +1 @@
+Recovery mode now has a Reset Network Graph option that re-downloads the Lightning network graph to fix "route not found" errors.