Updated on 2026-08-14

features/swap/domain/src/main/java/com/tangem/feature/swap/domain/SwapInteractorImpl.kt

@@ -805,6 +805,13 @@ internal class SwapInteractorImpl @Inject constructor(
         if (fromToken is CryptoCurrency.Token) {
             return IncludeFeeInAmount.Excluded
         }
+
+        val tokenForFeeBalance =
+            userWalletManager.getNativeTokenBalance(networkId, derivationPath) ?: ProxyAmount.empty()
+
+        if (amount.value > tokenForFeeBalance.value) {
+            return IncludeFeeInAmount.BalanceNotEnough
+        }
         val feeValue = when (txFee) {
             TxFeeState.Empty -> BigDecimal.ZERO
             is TxFeeState.MultipleFeeState -> if (selectedFee == FeeType.NORMAL) {
@@ -815,8 +822,6 @@ internal class SwapInteractorImpl @Inject constructor(
             is TxFeeState.SingleFeeState -> txFee.fee.feeValue
         }
 
-        val tokenForFeeBalance =
-            userWalletManager.getNativeTokenBalance(networkId, derivationPath) ?: ProxyAmount.empty()
         val amountWithFee = amount.value + feeValue
         return if (amountWithFee < tokenForFeeBalance.value) {
             IncludeFeeInAmount.Excluded

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

@@ -784,6 +784,36 @@ internal class StateBuilder(
         )
     }
 
+    fun updateProvidersBottomSheetContent(
+        uiState: SwapStateHolder,
+        tokenSwapInfoForProviders: Map<String, TokenSwapInfo>,
+    ): SwapStateHolder {
+        val config = uiState.bottomSheetConfig?.content as? ChooseProviderBottomSheetConfig
+        return if (config != null) {
+            val providers = config.providers
+            uiState.copy(
+                bottomSheetConfig = uiState.bottomSheetConfig.copy(
+                    content = config.copy(
+                        providers = providers.map {
+                            val tokenInfo = tokenSwapInfoForProviders[it.id]
+                            if (it is ProviderState.Content && tokenInfo != null) {
+                                val rateString = tokenInfo.tokenAmount
+                                    .getFormattedCryptoAmount(tokenInfo.cryptoCurrencyStatus.currency)
+                                it.copy(
+                                    subtitle = stringReference(rateString),
+                                )
+                            } else {
+                                it
+                            }
+                        }.toImmutableList(),
+                    ),
+                ),
+            )
+        } else {
+            uiState
+        }
+    }
+
     fun updateSelectedProvider(uiState: SwapStateHolder, selectedProviderId: String): SwapStateHolder {
         val config = uiState.bottomSheetConfig?.content as? ChooseProviderBottomSheetConfig
         return if (config != null) {

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

@@ -271,6 +271,13 @@ internal class SwapViewModel @Inject constructor(
                 if (providersState.isNotEmpty()) {
                     val (provider, state) = updateLoadedQuotes(providersState)
                     setupLoadedState(provider, state, fromToken)
+                    uiState = stateBuilder.updateProvidersBottomSheetContent(
+                        uiState = uiState,
+                        tokenSwapInfoForProviders = providersState
+                            .getLastLoadedSuccessStates()
+                            .entries
+                            .associate { it.key.providerId to it.value.toTokenInfo },
+                    )
                 } else {
                     Timber.e("Accidentally empty quotes list")
                 }
@@ -483,6 +490,7 @@ internal class SwapViewModel @Inject constructor(
                     when (it) {
                         is TxState.TxSent -> {
                             uiState = stateBuilder.loadingPermissionState(uiState)
+                            uiState = stateBuilder.dismissBottomSheet(uiState)
                         }
                         is TxState.UserCancelled -> Unit
                         else -> {