Updated on 2026-08-14

features/swap/impl/build.gradle.kts

@@ -105,6 +105,10 @@ dependencies {
     implementation(deps.kotlin.serialization)
     implementation(deps.kotlin.immutable.collections)
     implementation(deps.decompose.ext.compose)
+    implementation(deps.firebase.perf) {
+        exclude(group = "com.google.firebase", module = "protolite-well-known-types")
+        exclude(group = "com.google.protobuf", module = "protobuf-javalite")
+    }
 
     /** Tangem libs */
     implementation(tangemDeps.blockchain)

features/swap/impl/src/main/java/com/tangem/feature/swap/analytics/SwapQuotePerformanceTracker.kt

@@ -0,0 +1,36 @@
+package com.tangem.feature.swap.analytics
+
+import com.google.firebase.perf.FirebasePerformance
+import com.google.firebase.perf.metrics.Trace
+
+internal class SwapQuotePerformanceTracker {
+
+    private var trace: Trace? = null
+
+    fun onLoadingStarted(providersCount: Int) {
+        trace?.stop()
+        trace = FirebasePerformance.getInstance().newTrace(SWAP_QUOTES_LOADED_TRACE_NAME).apply {
+            putAttribute(PROVIDERS_COUNT, providersCount.toString())
+            start()
+        }
+    }
+
+    fun onLoadingFinished(hasError: Boolean) {
+        trace?.apply {
+            putAttribute(HAS_ERROR, if (hasError) "Yes" else "No")
+            stop()
+        }
+        trace = null
+    }
+
+    fun onDestroy() {
+        trace?.stop()
+        trace = null
+    }
+
+    private companion object {
+        const val SWAP_QUOTES_LOADED_TRACE_NAME = "Swap_quotes_loaded"
+        const val PROVIDERS_COUNT = "providers_count"
+        const val HAS_ERROR = "has_error"
+    }
+}

features/swap/impl/src/main/java/com/tangem/feature/swap/model/SwapModel.kt

@@ -68,6 +68,7 @@ import com.tangem.domain.transaction.models.TransactionFeeExtended
 import com.tangem.domain.transaction.usecase.gasless.IsGaslessFeeSupportedForNetwork
 import com.tangem.domain.txhistory.usecase.GetExplorerTransactionUrlUseCase
 import com.tangem.feature.swap.analytics.SwapEvents
+import com.tangem.feature.swap.analytics.SwapQuotePerformanceTracker
 import com.tangem.feature.swap.choosetoken.api.ChooseTokenAnalyticsPayload
 import com.tangem.feature.swap.choosetoken.api.ChooseTokenBridge
 import com.tangem.feature.swap.choosetoken.api.ChooseTokenResult
@@ -192,6 +193,7 @@ internal class SwapModel @Inject constructor(
 
     private val amountDebouncer = Debouncer()
     private val singleTaskScheduler = SingleTaskScheduler<Map<SwapProvider, SwapState>>()
+    private val performanceTracker = SwapQuotePerformanceTracker()
 
     val dataStateStateFlow = MutableStateFlow(SwapProcessDataState())
     var dataState
@@ -295,6 +297,7 @@ internal class SwapModel @Inject constructor(
 
     override fun onDestroy() {
         singleTaskScheduler.cancelTask()
+        performanceTracker.onDestroy()
         super.onDestroy()
     }
 
@@ -605,6 +608,7 @@ internal class SwapModel @Inject constructor(
                 uiStateHolder = uiState,
             )
             feeSelectorRepository.state.value = FeeSelectorUM.Loading
+            performanceTracker.onLoadingStarted(toProvidersList.size)
         }
         singleTaskScheduler.scheduleTask(
             modelScope,
@@ -686,6 +690,9 @@ internal class SwapModel @Inject constructor(
                 }
             },
             onSuccess = { providersState ->
+                performanceTracker.onLoadingFinished(
+                    hasError = providersState.values.none { it is SwapState.QuotesLoadedState },
+                )
                 if (providersState.isNotEmpty()) {
                     val (provider, state) = updateLoadedQuotes(providersState)
                     setupLoadedState(
@@ -715,6 +722,7 @@ internal class SwapModel @Inject constructor(
             },
             onError = { error ->
                 TangemLogger.e("Error when loading quotes: $error")
+                performanceTracker.onLoadingFinished(hasError = true)
                 feeSelectorRepository.state.value = FeeSelectorUM.Error(GetFeeError.UnknownError, isHidden = true)
                 uiState = stateBuilder.addNotification(uiState, null) { startLoadingQuotesFromLastState() }
             },