Updated on 2026-08-14

features/wallet/impl/src/main/java/com/tangem/feature/wallet/presentation/wallet/state/WalletAlertState.kt

@@ -0,0 +1,9 @@
+package com.tangem.feature.wallet.presentation.wallet.state
+
+import androidx.compose.runtime.Immutable
+
+@Immutable
+internal sealed class WalletAlertState {
+
+    data class WalletAlreadySignedHashes(val onUnderstandClick: () -> Unit) : WalletAlertState()
+}

features/wallet/impl/src/main/java/com/tangem/feature/wallet/presentation/wallet/state/WalletEvent.kt

@@ -13,4 +13,6 @@ internal sealed class WalletEvent {
     data class ShowToast(val text: TextReference) : WalletEvent()
 
     data class CopyAddress(val address: String) : WalletEvent()
+
+    data class ShowWalletAlreadySignedHashesMessage(val onUnderstandClick: () -> Unit) : WalletEvent()
 }

features/wallet/impl/src/main/java/com/tangem/feature/wallet/presentation/wallet/ui/WalletAlert.kt

@@ -0,0 +1,34 @@
+package com.tangem.feature.wallet.presentation.wallet.ui
+
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.res.stringResource
+import com.tangem.core.ui.components.BasicDialog
+import com.tangem.core.ui.components.DialogButton
+import com.tangem.feature.wallet.impl.R
+import com.tangem.feature.wallet.presentation.wallet.state.WalletAlertState
+
+@Composable
+internal fun WalletAlert(config: WalletAlertState, onDismiss: () -> Unit) {
+    when (config) {
+        is WalletAlertState.WalletAlreadySignedHashes -> {
+            WalletAlreadySignedHashesAlert(config = config, onDismiss = onDismiss)
+        }
+    }
+}
+
+@Composable
+private fun WalletAlreadySignedHashesAlert(config: WalletAlertState.WalletAlreadySignedHashes, onDismiss: () -> Unit) {
+    BasicDialog(
+        message = stringResource(id = R.string.alert_signed_hashes_message),
+        confirmButton = DialogButton(
+            title = stringResource(id = R.string.common_understand),
+            onClick = {
+                config.onUnderstandClick()
+                onDismiss()
+            },
+        ),
+        onDismissDialog = onDismiss,
+        title = stringResource(id = R.string.warning_important_security_info, "\u26A0"),
+        dismissButton = DialogButton(title = stringResource(id = R.string.common_cancel), onClick = onDismiss),
+    )
+}

features/wallet/impl/src/main/java/com/tangem/feature/wallet/presentation/wallet/ui/WalletEventEffect.kt

@@ -10,6 +10,7 @@ import androidx.compose.ui.text.AnnotatedString
 import com.tangem.core.ui.event.EventEffect
 import com.tangem.core.ui.event.StateEvent
 import com.tangem.core.ui.extensions.resolveReference
+import com.tangem.feature.wallet.presentation.wallet.state.WalletAlertState
 import com.tangem.feature.wallet.presentation.wallet.state.WalletEvent
 
 @Composable
@@ -18,6 +19,7 @@ internal fun WalletEventEffect(
     snackbarHostState: SnackbarHostState,
     event: StateEvent<WalletEvent>,
     onAutoScrollSet: () -> Unit,
+    onAlertConfigSet: (WalletAlertState) -> Unit,
 ) {
     val context = LocalContext.current
     val resources = LocalContext.current.resources
@@ -39,6 +41,11 @@ internal fun WalletEventEffect(
                 is WalletEvent.CopyAddress -> {
                     clipboardManager.setText(AnnotatedString(value.address))
                 }
+                is WalletEvent.ShowWalletAlreadySignedHashesMessage -> {
+                    onAlertConfigSet(
+                        WalletAlertState.WalletAlreadySignedHashes(onUnderstandClick = value.onUnderstandClick),
+                    )
+                }
             }
         },
     )

features/wallet/impl/src/main/java/com/tangem/feature/wallet/presentation/wallet/ui/WalletScreen.kt

@@ -12,10 +12,7 @@ import androidx.compose.material3.FabPosition
 import androidx.compose.material3.Scaffold
 import androidx.compose.material3.SnackbarHost
 import androidx.compose.material3.SnackbarHostState
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
-import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.remember
+import androidx.compose.runtime.*
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
@@ -30,6 +27,7 @@ import com.tangem.core.ui.components.transactions.state.TxHistoryState
 import com.tangem.core.ui.res.TangemTheme
 import com.tangem.feature.wallet.impl.R
 import com.tangem.feature.wallet.presentation.common.WalletPreviewData
+import com.tangem.feature.wallet.presentation.wallet.state.WalletAlertState
 import com.tangem.feature.wallet.presentation.wallet.state.WalletMultiCurrencyState
 import com.tangem.feature.wallet.presentation.wallet.state.WalletSingleCurrencyState
 import com.tangem.feature.wallet.presentation.wallet.state.WalletState
@@ -72,12 +70,19 @@ internal fun WalletScreen(state: WalletState) {
                 onAutoScrollReset = { isAutoScroll.value = false },
             )
 
+            var alertConfig by remember { mutableStateOf<WalletAlertState?>(value = null) }
+
             WalletEventEffect(
                 walletsListState = walletsListState,
                 snackbarHostState = snackbarHostState,
                 event = state.event,
                 onAutoScrollSet = { isAutoScroll.value = true },
+                onAlertConfigSet = { alertConfig = it },
             )
+
+            alertConfig?.let {
+                WalletAlert(config = it, onDismiss = { alertConfig = null })
+            }
         }
         is WalletState.Initial -> Unit
     }

features/wallet/impl/src/main/java/com/tangem/feature/wallet/presentation/wallet/viewmodels/WalletNotificationsListFactory.kt

@@ -1,6 +1,6 @@
 package com.tangem.feature.wallet.presentation.wallet.viewmodels
 
-import com.tangem.domain.card.GetCardWasScannedUseCase
+import com.tangem.domain.card.WasCardScannedUseCase
 import com.tangem.domain.common.CardTypesResolver
 import com.tangem.domain.demo.IsDemoCardUseCase
 import com.tangem.domain.settings.IsUserAlreadyRateAppUseCase
@@ -10,14 +10,16 @@ import com.tangem.feature.wallet.presentation.wallet.state.components.WalletNoti
 import kotlinx.collections.immutable.ImmutableList
 import kotlinx.collections.immutable.toImmutableList
 import kotlinx.coroutines.flow.Flow
-import kotlinx.coroutines.flow.flow
+import kotlinx.coroutines.flow.distinctUntilChanged
+import kotlinx.coroutines.flow.map
+import kotlin.collections.count
 
 /**
  * Wallet notifications list factory
  *
  * @property isDemoCardUseCase           use case that check if card is demo
  * @property isUserAlreadyRateAppUseCase use case that check if card is user already rate app
- * @property getCardWasScannedUseCase    use case that check if card was scanned
+ * @property wasCardScannedUseCase       use case that check if card was scanned
  * @property clickIntents                screen click intents
  *
 [REDACTED_AUTHOR]
@@ -25,7 +27,7 @@ import kotlinx.coroutines.flow.flow
 internal class WalletNotificationsListFactory(
     private val isDemoCardUseCase: IsDemoCardUseCase,
     private val isUserAlreadyRateAppUseCase: IsUserAlreadyRateAppUseCase,
-    private val getCardWasScannedUseCase: GetCardWasScannedUseCase,
+    private val wasCardScannedUseCase: WasCardScannedUseCase,
     private val clickIntents: WalletClickIntents,
 ) {
 
@@ -33,8 +35,9 @@ internal class WalletNotificationsListFactory(
         cardTypesResolver: CardTypesResolver,
         cryptoCurrencyList: List<CryptoCurrencyStatus>,
     ): Flow<ImmutableList<WalletNotification>> {
-        return flow {
-            emit(
+        return wasCardScannedUseCase.invoke(cardTypesResolver.getCardId())
+            .distinctUntilChanged()
+            .map {
                 buildList {
                     addCriticalNotifications(cardTypesResolver)
 
@@ -42,11 +45,9 @@ internal class WalletNotificationsListFactory(
 
                     addRateTheAppNotification()
 
-                    addWarningNotifications(cardTypesResolver, cryptoCurrencyList)
-                }
-                    .toImmutableList(),
-            )
-        }
+                    addWarningNotifications(cardTypesResolver, cryptoCurrencyList, it)
+                }.toImmutableList()
+            }
     }
 
     private fun MutableList<WalletNotification>.addCriticalNotifications(cardTypesResolver: CardTypesResolver) {
@@ -112,9 +113,10 @@ internal class WalletNotificationsListFactory(
         )
     }
 
-    private suspend fun MutableList<WalletNotification>.addWarningNotifications(
+    private fun MutableList<WalletNotification>.addWarningNotifications(
         cardTypesResolver: CardTypesResolver,
         cryptoCurrencyList: List<CryptoCurrencyStatus>,
+        wasCardScanned: Boolean,
     ) {
         addIf(
             element = WalletNotification.Warning.MissingBackup(
@@ -133,14 +135,22 @@ internal class WalletNotificationsListFactory(
             if (cardTypesResolver.isBackupForbidden()) {
                 addIf(
                     element = WalletNotification.Warning.NumberOfSignedHashesIncorrect,
-                    condition = checkSignedHashes(cardTypesResolver = cardTypesResolver, isDemo = isDemo),
+                    condition = checkSignedHashes(
+                        cardTypesResolver = cardTypesResolver,
+                        isDemo = isDemo,
+                        wasCardScanned,
+                    ),
                 )
             } else {
                 addIf(
                     element = WalletNotification.Warning.MultiWalletSignedHashesIncorrect(
                         onClick = clickIntents::onMultiWalletSignedHashesNotificationClick,
                     ),
-                    condition = checkSignedHashes(cardTypesResolver = cardTypesResolver, isDemo = isDemo),
+                    condition = checkSignedHashes(
+                        cardTypesResolver = cardTypesResolver,
+                        isDemo = isDemo,
+                        wasCardScanned,
+                    ),
                 )
             }
         } else {
@@ -159,7 +169,7 @@ internal class WalletNotificationsListFactory(
 
             addIf(
                 element = WalletNotification.Warning.NumberOfSignedHashesIncorrect,
-                condition = checkSignedHashes(cardTypesResolver, isDemo),
+                condition = checkSignedHashes(cardTypesResolver, isDemo, wasCardScanned),
             )
         }
     }
@@ -176,9 +186,13 @@ internal class WalletNotificationsListFactory(
         return any { it.value is CryptoCurrencyStatus.NoAccount }
     }
 
-    private suspend fun checkSignedHashes(cardTypesResolver: CardTypesResolver, isDemo: Boolean): Boolean {
-        return cardTypesResolver.isReleaseFirmwareType() && cardTypesResolver.hasWalletSignedHashes() &&
-            !isDemo && !getCardWasScannedUseCase(cardId = cardTypesResolver.getCardId())
+    private fun checkSignedHashes(
+        cardTypesResolver: CardTypesResolver,
+        isDemo: Boolean,
+        wasCardScanned: Boolean,
+    ): Boolean {
+        return cardTypesResolver.isReleaseFirmwareType() && cardTypesResolver.hasWalletSignedHashes() && !isDemo &&
+            !wasCardScanned
     }
 
     private companion object {

features/wallet/impl/src/main/java/com/tangem/feature/wallet/presentation/wallet/viewmodels/WalletViewModel.kt

@@ -106,7 +106,8 @@ internal class WalletViewModel @Inject constructor(
     private val reduxStateHolder: ReduxStateHolder,
     private val dispatchers: CoroutineDispatcherProvider,
     private val analyticsEventsHandler: AnalyticsEventHandler,
-    getCardWasScannedUseCase: GetCardWasScannedUseCase,
+    private val setCardWasScannedUseCase: SetCardWasScannedUseCase,
+    wasCardScannedUseCase: WasCardScannedUseCase,
     isUserAlreadyRateAppUseCase: IsUserAlreadyRateAppUseCase,
     isDemoCardUseCase: IsDemoCardUseCase,
     // endregion Parameters
@@ -119,7 +120,7 @@ internal class WalletViewModel @Inject constructor(
     private var isBalanceHidden = true
 
     private val notificationsListFactory = WalletNotificationsListFactory(
-        getCardWasScannedUseCase = getCardWasScannedUseCase,
+        wasCardScannedUseCase = wasCardScannedUseCase,
         isUserAlreadyRateAppUseCase = isUserAlreadyRateAppUseCase,
         isDemoCardUseCase = isDemoCardUseCase,
         clickIntents = this,
@@ -413,7 +414,21 @@ internal class WalletViewModel @Inject constructor(
     }
 
     override fun onMultiWalletSignedHashesNotificationClick() {
-        // TODO: [REDACTED_JIRA]
+        val state = uiState as? WalletState.ContentState ?: return
+
+        uiState = stateFactory.getStateAndTriggerEvent(
+            state = uiState,
+            event = WalletEvent.ShowWalletAlreadySignedHashesMessage(
+                onUnderstandClick = {
+                    viewModelScope.launch(dispatchers.main) {
+                        setCardWasScannedUseCase(
+                            cardId = getWallet(index = state.walletsListConfig.selectedWalletIndex).cardId,
+                        )
+                    }
+                },
+            ),
+            setUiState = { uiState = it },
+        )
     }
 
     override fun onLikeTangemAppClick() {