Updated on 2026-08-14

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

@@ -1,22 +1,32 @@
 package com.tangem.feature.wallet.presentation.wallet.state.transformers
 
+import com.tangem.core.ui.utils.BigDecimalFormatter
+import com.tangem.domain.appcurrency.model.AppCurrency
 import com.tangem.domain.tokens.error.TokenListError
-import com.tangem.domain.wallets.models.UserWalletId
+import com.tangem.domain.wallets.models.UserWallet
+import com.tangem.feature.wallet.presentation.wallet.domain.WalletAdditionalInfoFactory
+import com.tangem.feature.wallet.presentation.wallet.domain.getCardsCount
+import com.tangem.feature.wallet.presentation.wallet.state.model.WalletCardState
 import com.tangem.feature.wallet.presentation.wallet.state.model.WalletState
 import com.tangem.feature.wallet.presentation.wallet.state.model.WalletTokensListState
 import timber.log.Timber
+import java.math.BigDecimal
 
 internal class SetTokenListErrorTransformer(
-    userWalletId: UserWalletId,
+    private val selectedWallet: UserWallet,
     private val error: TokenListError,
-) : WalletStateTransformer(userWalletId) {
+    private val appCurrency: AppCurrency,
+) : WalletStateTransformer(selectedWallet.walletId) {
 
     override fun transform(prevState: WalletState): WalletState {
         return when (error) {
             is TokenListError.EmptyTokens -> {
                 when (prevState) {
                     is WalletState.MultiCurrency.Content -> {
-                        prevState.copy(tokensListState = WalletTokensListState.Empty)
+                        prevState.copy(
+                            walletCardState = prevState.walletCardState.toLoadedState(),
+                            tokensListState = WalletTokensListState.Empty,
+                        )
                     }
                     is WalletState.MultiCurrency.Locked -> {
                         Timber.w("Impossible to load tokens list for locked wallet")
@@ -37,4 +47,21 @@ internal class SetTokenListErrorTransformer(
             -> prevState
         }
     }
+
+    private fun WalletCardState.toLoadedState(): WalletCardState {
+        return WalletCardState.Content(
+            id = id,
+            title = title,
+            additionalInfo = WalletAdditionalInfoFactory.resolve(wallet = selectedWallet),
+            imageResId = imageResId,
+            onRenameClick = onRenameClick,
+            onDeleteClick = onDeleteClick,
+            balance = BigDecimalFormatter.formatFiatAmount(
+                fiatAmount = BigDecimal.ZERO,
+                fiatCurrencyCode = appCurrency.code,
+                fiatCurrencySymbol = appCurrency.symbol,
+            ),
+            cardCount = selectedWallet.getCardsCount(),
+        )
+    }
 }

features/wallet/impl/src/main/java/com/tangem/feature/wallet/presentation/wallet/subscribers/BasicTokenListSubscriber.kt

@@ -61,6 +61,11 @@ internal abstract class BasicTokenListSubscriber(
                 },
             flow2 = getSelectedAppCurrencyUseCase().distinctUntilChanged(),
             transform = { maybeTokenList, maybeAppCurrency ->
+                val appCurrency = maybeAppCurrency.getOrElse { e ->
+                    Timber.e("Failed to load app currency: $e")
+                    AppCurrency.Default
+                }
+
                 val tokenList = maybeTokenList.getOrElse(
                     ifLoading = { maybeContent ->
                         val isRefreshing = stateHolder.getWalletState(userWallet.walletId)
@@ -75,17 +80,16 @@ internal abstract class BasicTokenListSubscriber(
                     ifError = { e ->
                         Timber.e("Failed to load token list: $e")
                         stateHolder.update(
-                            SetTokenListErrorTransformer(userWalletId = userWallet.walletId, error = e),
+                            SetTokenListErrorTransformer(
+                                selectedWallet = userWallet,
+                                error = e,
+                                appCurrency = appCurrency,
+                            ),
                         )
                         return@combine
                     },
                 )
 
-                val appCurrency = maybeAppCurrency.getOrElse { e ->
-                    Timber.e("Failed to load app currency: $e")
-                    AppCurrency.Default
-                }
-
                 updateContent(tokenList, appCurrency)
                 walletWithFundsChecker.check(tokenList)
             },

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

@@ -1,6 +1,8 @@
 package com.tangem.feature.wallet.presentation.wallet.viewmodels.intents
 
 import com.tangem.core.analytics.api.AnalyticsEventHandler
+import com.tangem.domain.appcurrency.GetSelectedAppCurrencyUseCase
+import com.tangem.domain.appcurrency.extenstions.unwrap
 import com.tangem.domain.common.util.cardTypesResolver
 import com.tangem.domain.settings.NeverToShowWalletsScrollPreview
 import com.tangem.domain.tokens.FetchCardTokenListUseCase
@@ -37,6 +39,7 @@ internal class WalletClickIntents @Inject constructor(
     private val fetchTokenListUseCase: FetchTokenListUseCase,
     private val fetchCardTokenListUseCase: FetchCardTokenListUseCase,
     private val fetchCurrencyStatusUseCase: FetchCurrencyStatusUseCase,
+    private val getSelectedAppCurrencyUseCase: GetSelectedAppCurrencyUseCase,
     private val neverToShowWalletsScrollPreview: NeverToShowWalletsScrollPreview,
     private val analyticsEventHandler: AnalyticsEventHandler,
     private val dispatchers: CoroutineDispatcherProvider,
@@ -115,7 +118,13 @@ internal class WalletClickIntents @Inject constructor(
             }
 
             maybeFetchResult.onLeft {
-                stateHolder.update(SetTokenListErrorTransformer(userWalletId = userWallet.walletId, error = it))
+                stateHolder.update(
+                    SetTokenListErrorTransformer(
+                        selectedWallet = userWallet,
+                        error = it,
+                        appCurrency = getSelectedAppCurrencyUseCase.unwrap(),
+                    ),
+                )
             }
 
             stateHolder.update(