Updated on 2026-08-14

features/tangempay/details/impl/src/main/kotlin/com/tangem/features/tangempay/components/TangemPayCardPageScreenComponent.kt

@@ -114,6 +114,7 @@ internal class TangemPayCardPageScreenComponent(
                     paymentAccountAddress = navigation.paymentAccountAddress,
                     onDismiss = model.bottomSheetNavigation::dismiss,
                     onShowDetails = model::onShowVirtualAccountRequisites,
+                    onShowBankingDetailsError = model::showVaBankingDetailsError,
                     onOrderCreated = model::onVirtualAccountOrderCreated,
                 ),
             )

features/tangempay/details/impl/src/main/kotlin/com/tangem/features/tangempay/components/TangemPayDetailsComponent.kt

@@ -143,6 +143,7 @@ internal class TangemPayDetailsComponent(
                     paymentAccountAddress = navigation.paymentAccountAddress,
                     onDismiss = model.bottomSheetNavigation::dismiss,
                     onShowDetails = model::onShowVirtualAccountRequisites,
+                    onShowBankingDetailsError = model::showVaBankingDetailsError,
                     onOrderCreated = model::onVirtualAccountOrderCreated,
                 ),
             )

features/tangempay/details/impl/src/main/kotlin/com/tangem/features/tangempay/components/TangemPayVirtualAccountDepositComponent.kt

@@ -38,6 +38,7 @@ internal class TangemPayVirtualAccountDepositComponent(
         val paymentAccountAddress: String,
         val onDismiss: () -> Unit,
         val onShowDetails: (VirtualAccountOnramp.Available) -> Unit,
+        val onShowBankingDetailsError: () -> Unit,
         val onOrderCreated: () -> Unit,
     )
 }

features/tangempay/details/impl/src/main/kotlin/com/tangem/features/tangempay/model/TangemPayCardPageModel.kt

@@ -71,7 +71,7 @@ import kotlinx.coroutines.launch
 import javax.inject.Inject
 import com.tangem.core.ui.R as CoreUiR
 
-@Suppress("LongParameterList", "LargeClass")
+@Suppress("LongParameterList", "LargeClass", "TooManyFunctions")
 @Stable
 @ModelScoped
 internal class TangemPayCardPageModel @Inject constructor(
@@ -495,10 +495,12 @@ internal class TangemPayCardPageModel @Inject constructor(
         val loaded = currentStatus.value.ifLoadedOrNull { it } ?: return
         when (val onramp = loaded.virtualAccount) {
             null -> return
-            is VirtualAccountOnramp.BankCredentialsError -> showVaBankingDetailsError()
             VirtualAccountOnramp.Processing -> showVaPreparing()
+            // BankCredentialsError opens the deposit intro first; the retryable error sheet is shown from
+            // its "Show details" action (see onShowDetailsClick).
             is VirtualAccountOnramp.Available,
             VirtualAccountOnramp.Eligible,
+            is VirtualAccountOnramp.BankCredentialsError,
             -> openVirtualAccountDeposit(onramp, loaded)
         }
     }
@@ -515,7 +517,7 @@ internal class TangemPayCardPageModel @Inject constructor(
         )
     }
 
-    private fun showVaBankingDetailsError() {
+    fun showVaBankingDetailsError() {
         bottomSheetNavigation.dismiss()
         bottomSheetNavigation.activate(
             TangemPayCardNavigation.VaBankingDetailsError(userWalletId = userWalletId),

features/tangempay/details/impl/src/main/kotlin/com/tangem/features/tangempay/model/TangemPayDetailsModel.kt

@@ -315,10 +315,12 @@ internal class TangemPayDetailsModel @Inject constructor(
         val loaded = currentStatus.value.ifLoadedOrNull { it } ?: return
         when (val onramp = loaded.virtualAccount) {
             null -> return
-            is VirtualAccountOnramp.BankCredentialsError -> showVaBankingDetailsError()
             VirtualAccountOnramp.Processing -> showVaPreparing()
+            // BankCredentialsError opens the deposit intro first; the retryable error sheet is shown from
+            // its "Show details" action (see onShowDetailsClick).
             is VirtualAccountOnramp.Available,
             VirtualAccountOnramp.Eligible,
+            is VirtualAccountOnramp.BankCredentialsError,
             -> openVirtualAccountDeposit(onramp, loaded)
         }
     }
@@ -335,7 +337,7 @@ internal class TangemPayDetailsModel @Inject constructor(
         )
     }
 
-    private fun showVaBankingDetailsError() {
+    fun showVaBankingDetailsError() {
         bottomSheetNavigation.dismiss()
         bottomSheetNavigation.activate(
             TangemPayDetailsNavigation.VaBankingDetailsError(userWalletId = userWalletId),

features/tangempay/details/impl/src/main/kotlin/com/tangem/features/tangempay/model/TangemPayVirtualAccountDepositModel.kt

@@ -81,11 +81,9 @@ internal class TangemPayVirtualAccountDepositModel @Inject constructor(
                 analytics.send(TangemPayAnalyticsEvents.VaShowDetailsFirstTimeClicked())
                 createVirtualAccountOrder()
             }
-            // Processing/Error onramps never reach this sheet (a message/error sheet is shown instead);
-            // these branches only keep the `when` exhaustive.
-            VirtualAccountOnramp.Processing,
-            VirtualAccountOnramp.BankCredentialsError,
-            -> onDismiss()
+            VirtualAccountOnramp.BankCredentialsError -> params.onShowBankingDetailsError()
+            // Processing never reaches this sheet (the Preparing message is shown instead); defensive.
+            VirtualAccountOnramp.Processing -> onDismiss()
         }
     }
 

features/tangempay/details/impl/src/test/kotlin/com/tangem/features/tangempay/model/TangemPayVirtualAccountDepositModelTest.kt

@@ -40,12 +40,20 @@ internal class TangemPayVirtualAccountDepositModelTest {
     private val uiMessageSender: UiMessageSender = mockk(relaxed = true)
     private val createVirtualAccountOrderUseCase: CreateVirtualAccountOrderUseCase = mockk()
     private val onShowDetails: (VirtualAccountOnramp.Available) -> Unit = mockk(relaxed = true)
+    private val onShowBankingDetailsError: () -> Unit = mockk(relaxed = true)
     private val onOrderCreated: () -> Unit = mockk(relaxed = true)
     private val analytics: AnalyticsEventHandler = mockk(relaxed = true)
 
     @BeforeEach
     fun resetMocks() {
-        clearMocks(createVirtualAccountOrderUseCase, onShowDetails, onOrderCreated, uiMessageSender, analytics)
+        clearMocks(
+            createVirtualAccountOrderUseCase,
+            onShowDetails,
+            onShowBankingDetailsError,
+            onOrderCreated,
+            uiMessageSender,
+            analytics,
+        )
     }
 
     @Test
@@ -65,6 +73,21 @@ internal class TangemPayVirtualAccountDepositModelTest {
         verify(exactly = 1) { analytics.send(ofType<TangemPayAnalyticsEvents.VaShowDetailsClicked>()) }
     }
 
+    @Test
+    fun `GIVEN bank credentials error WHEN show details THEN shows banking details error sheet`() = runTest {
+        // Arrange
+        val model = createModel(VirtualAccountOnramp.BankCredentialsError)
+
+        // Act
+        model.uiState.value.onShowDetailsClick()
+        advanceUntilIdle()
+
+        // Assert
+        verify(exactly = 1) { onShowBankingDetailsError() }
+        verify(exactly = 0) { onShowDetails(any()) }
+        coVerify(exactly = 0) { createVirtualAccountOrderUseCase(any(), any()) }
+    }
+
     @Test
     fun `GIVEN eligible and create succeeds WHEN show details THEN order created and loading reset`() = runTest {
         // Arrange
@@ -130,6 +153,7 @@ internal class TangemPayVirtualAccountDepositModelTest {
                 paymentAccountAddress = paymentAccountAddress,
                 onDismiss = {},
                 onShowDetails = onShowDetails,
+                onShowBankingDetailsError = onShowBankingDetailsError,
                 onOrderCreated = onOrderCreated,
             ),
         ),