Updated on 2026-08-14

features/swap/presentation/src/main/java/com/tangem/feature/swap/models/UiActions.kt

@@ -15,6 +15,7 @@ data class UiActions(
     val openPermissionBottomSheet: () -> Unit,
     val onChangeApproveType: (ApproveType) -> Unit,
     // region new actions
+    val onRetryClick: () -> Unit,
     val onClickFee: () -> Unit,
     val onSelectFeeType: (TxFee) -> Unit,
     val onProviderClick: (String) -> Unit,

features/swap/presentation/src/main/java/com/tangem/feature/swap/ui/StateBuilder.kt

@@ -429,6 +429,17 @@ internal class StateBuilder(
                     iconResId = R.drawable.ic_alert_circle_24,
                 ),
             )
+            is DataError.UnknownError -> SwapWarning.GeneralWarning(
+                notificationConfig = NotificationConfig(
+                    title = resourceReference(R.string.common_error),
+                    subtitle = resourceReference(R.string.swapping_generic_error),
+                    iconResId = R.drawable.img_attention_20,
+                    buttonsState = NotificationConfig.ButtonsState.SecondaryButtonConfig(
+                        text = resourceReference(R.string.warning_button_refresh),
+                        onClick = actions.onRetryClick,
+                    ),
+                ),
+            )
             else -> SwapWarning.GeneralWarning(
                 notificationConfig = NotificationConfig(
                     title = resourceReference(R.string.common_error),

features/swap/presentation/src/main/java/com/tangem/feature/swap/viewmodels/SwapViewModel.kt

@@ -338,6 +338,9 @@ internal class SwapViewModel @Inject constructor(
                 )
             }
             is SwapState.SwapError -> {
+                if (state.error is DataError.UnknownError) {
+                    singleTaskScheduler.cancelTask()
+                }
                 uiState = stateBuilder.createQuotesErrorState(
                     uiStateHolder = uiState,
                     swapProvider = provider,
@@ -422,6 +425,7 @@ internal class SwapViewModel @Inject constructor(
             }
     }
 
+    @Suppress("LongMethod")
     private fun onSwapClick() {
         singleTaskScheduler.cancelTask()
         uiState = stateBuilder.createSwapInProgressState(uiState)
@@ -833,6 +837,9 @@ internal class SwapViewModel @Inject constructor(
                     swapRouter.openTokenDetails(it.walletId, swapInteractor.getNativeToken(dataState.networkId))
                 }
             },
+            onRetryClick = {
+                startLoadingQuotesFromLastState()
+            },
         )
     }