Updated on 2026-08-14

2023-12-18 13:58:49 +03:00 · 2023-12-18 13:58:49 +03:00 · 762121b9b5
commit 762121b9b5
parent 8531237653
6 changed files with 56 additions and 19 deletions
--- a/features/swap/domain/models/src/main/java/com/tangem/feature/swap/domain/models/ui/SwapState.kt
+++ b/features/swap/domain/models/src/main/java/com/tangem/feature/swap/domain/models/ui/SwapState.kt
@ -13,7 +13,7 @@ sealed interface SwapState {
    data class QuotesLoadedState(
        val fromTokenInfo: TokenSwapInfo,
        val toTokenInfo: TokenSwapInfo,
-        val priceImpact: Float,
+        val priceImpact: PriceImpact,
        val networkCurrency: String,
        val preparedSwapConfigState: PreparedSwapConfigState = PreparedSwapConfigState(
            isAllowedToSpend = false,
@ -40,6 +40,20 @@ sealed interface SwapState {
    ) : SwapState
 }

+sealed class PriceImpact {
+
+    abstract val value: Float
+
+    fun getIntPercentValue() = (value * HUNDRED_PERCENTS).toInt()
+    data class Empty(override val value: Float = 0f) : PriceImpact()
+    data class ValueWithNotify(override val value: Float) : PriceImpact()
+    data class Value(override val value: Float) : PriceImpact()
+
+    companion object {
+        private const val HUNDRED_PERCENTS = 100
+    }
+}
+
 sealed class PermissionDataState {

    data class PermissionReadyForRequest(
--- a/features/swap/domain/src/main/java/com/tangem/feature/swap/domain/SwapInteractorImpl.kt
+++ b/features/swap/domain/src/main/java/com/tangem/feature/swap/domain/SwapInteractorImpl.kt
@ -772,6 +772,7 @@ internal class SwapInteractorImpl @Inject constructor(
                    toTokenAmount = quoteModel.toTokenAmount,
                    swapData = null,
                    txFeeState = txFee,
+                    exchangeProviderType = exchangeProviderType,
                )

                when (exchangeProviderType) {
@ -930,6 +931,7 @@ internal class SwapInteractorImpl @Inject constructor(
                    toTokenAmount = swapData.toTokenAmount,
                    swapData = swapData,
                    txFeeState = txFeeState,
+                    exchangeProviderType = ExchangeProviderType.DEX,
                )
                swapState.copy(
                    permissionState = PermissionDataState.Empty,
@ -967,6 +969,7 @@ internal class SwapInteractorImpl @Inject constructor(
        toTokenAmount: SwapAmount,
        swapData: SwapDataModel?,
        txFeeState: TxFeeState,
+        exchangeProviderType: ExchangeProviderType,
    ): SwapState.QuotesLoadedState {
        val fromToken = fromTokenStatus.currency
        val toToken = toTokenStatus.currency
@ -991,6 +994,7 @@ internal class SwapInteractorImpl @Inject constructor(
                fromRate = rates[fromToken.id]?.fiatRate?.toDouble() ?: 0.0,
                toTokenAmount = toTokenAmount.value,
                toRate = rates[toToken.id]?.fiatRate?.toDouble() ?: 0.0,
+                exchangeProviderType = exchangeProviderType,
            ),
            networkCurrency = userWalletManager.getNetworkCurrency(networkId),
            swapDataModel = swapData,
@ -1316,10 +1320,15 @@ internal class SwapInteractorImpl @Inject constructor(
        fromRate: Double,
        toTokenAmount: BigDecimal,
        toRate: Double,
-    ): Float {
-        val toTokenFiatValue = toTokenAmount.multiply(toRate.toBigDecimal())
+        exchangeProviderType: ExchangeProviderType,
+    ): PriceImpact {
        val fromTokenFiatValue = fromTokenAmount.multiply(fromRate.toBigDecimal())
-        return (BigDecimal.ONE - toTokenFiatValue.divide(fromTokenFiatValue, 2, RoundingMode.HALF_UP)).toFloat()
+        val toTokenFiatValue = toTokenAmount.multiply(toRate.toBigDecimal())
+        val value = (BigDecimal.ONE - toTokenFiatValue.divide(fromTokenFiatValue, 2, RoundingMode.HALF_UP)).toFloat()
+        if (exchangeProviderType == ExchangeProviderType.CEX) {
+            return PriceImpact.Value(value)
+        }
+        return PriceImpact.ValueWithNotify(value)
    }

    private suspend fun getApproveData(
--- a/features/swap/presentation/src/main/java/com/tangem/feature/swap/models/SwapStateHolder.kt
+++ b/features/swap/presentation/src/main/java/com/tangem/feature/swap/models/SwapStateHolder.kt
@ -8,6 +8,7 @@ import com.tangem.core.ui.components.states.Item
 import com.tangem.core.ui.components.states.SelectableItemsState
 import com.tangem.core.ui.extensions.TextReference
 import com.tangem.domain.tokens.model.CryptoCurrencyStatus
+import com.tangem.feature.swap.domain.models.ui.PriceImpact
 import com.tangem.feature.swap.domain.models.ui.TxFee
 import com.tangem.feature.swap.models.states.FeeItemState
 import com.tangem.feature.swap.models.states.ProviderState
@ -24,6 +25,7 @@ data class SwapStateHolder(

    val fee: FeeItemState = FeeItemState.Empty,
    val permissionState: SwapPermissionState = SwapPermissionState.Empty,
+    val priceImpact: PriceImpact,

    val successState: SwapSuccessStateHolder? = null,
    val selectTokenState: SwapSelectTokenStateHolder? = null,
--- a/features/swap/presentation/src/main/java/com/tangem/feature/swap/ui/StateBuilder.kt
+++ b/features/swap/presentation/src/main/java/com/tangem/feature/swap/ui/StateBuilder.kt
@ -87,6 +87,7 @@ internal class StateBuilder(
            changeCardsButtonState = ChangeCardsButtonState.UPDATE_IN_PROGRESS,
            onShowPermissionBottomSheet = actions.openPermissionBottomSheet,
            providerState = ProviderState.Empty(),
+            priceImpact = PriceImpact.Empty(),
        )
    }

@ -139,6 +140,7 @@ internal class StateBuilder(
                onClick = { },
            ),
            changeCardsButtonState = ChangeCardsButtonState.DISABLED,
+            priceImpact = PriceImpact.Empty(),
        )
    }

@ -187,6 +189,7 @@ internal class StateBuilder(
            providerState = ProviderState.Loading(),
            permissionState = uiStateHolder.permissionState,
            changeCardsButtonState = ChangeCardsButtonState.UPDATE_IN_PROGRESS,
+            priceImpact = PriceImpact.Empty(),
        )
    }

@ -271,6 +274,11 @@ internal class StateBuilder(
                selectionType = ProviderState.SelectionType.CLICK,
                onProviderClick = actions.onProviderClick,
            ),
+            priceImpact = if (quoteModel.priceImpact.value > PRICE_IMPACT_THRESHOLD) {
+                quoteModel.priceImpact
+            } else {
+                PriceImpact.Empty()
+            },
            tosState = createTosState(swapProvider),
        )
    }
@ -337,10 +345,11 @@ internal class StateBuilder(
            warnings.add(SwapWarning.InsufficientFunds)
        }

-        if (quoteModel.priceImpact > PRICE_IMPACT_THRESHOLD) {
+        val priceImpact = quoteModel.priceImpact
+        if (priceImpact is PriceImpact.ValueWithNotify && priceImpact.value > PRICE_IMPACT_THRESHOLD) {
            warnings.add(
                SwapWarning.HighPriceImpact(
-                    priceImpact = (quoteModel.priceImpact * HUNDRED_PERCENTS).toInt(),
+                    priceImpact = priceImpact.getIntPercentValue(),
                    notificationConfig = highPriceImpactNotificationConfig(),
                ),
            )
@ -442,6 +451,7 @@ internal class StateBuilder(
                ChangeCardsButtonState.DISABLED
            },
            providerState = providerState,
+            priceImpact = PriceImpact.Empty(),
            tosState = createTosState(swapProvider),
        )
    }
@ -553,6 +563,7 @@ internal class StateBuilder(
                ChangeCardsButtonState.DISABLED
            },
            providerState = ProviderState.Empty(),
+            priceImpact = PriceImpact.Empty(),
        )
    }

@ -1226,7 +1237,6 @@ internal class StateBuilder(
        const val ADDRESS_FIRST_PART_LENGTH = 7
        const val ADDRESS_SECOND_PART_LENGTH = 4
        private const val PRICE_IMPACT_THRESHOLD = 0.1
-        private const val HUNDRED_PERCENTS = 100
        private const val UNKNOWN_AMOUNT_SIGN = "—"
        private const val MAX_DECIMALS_TO_SHOW = 8
    }
--- a/features/swap/presentation/src/main/java/com/tangem/feature/swap/ui/SwapScreenContent.kt
+++ b/features/swap/presentation/src/main/java/com/tangem/feature/swap/ui/SwapScreenContent.kt
@ -29,6 +29,7 @@ import com.tangem.core.ui.extensions.resolveReference
 import com.tangem.core.ui.extensions.stringReference
 import com.tangem.core.ui.res.TangemTheme
 import com.tangem.feature.swap.domain.models.ui.FeeType
+import com.tangem.feature.swap.domain.models.ui.PriceImpact
 import com.tangem.feature.swap.models.*
 import com.tangem.feature.swap.models.states.FeeItemState
 import com.tangem.feature.swap.models.states.ProviderState
@ -127,9 +128,9 @@ private fun MainInfo(state: SwapStateHolder) {
        modifier = Modifier.fillMaxWidth(),
    ) {
        val (topCard, bottomCard, button) = createRefs()
-        val priceImpactWarning = state.warnings.filterIsInstance<SwapWarning.HighPriceImpact>().firstOrNull()
+        val priceImpact = state.priceImpact
        TransactionCardData(
-            priceImpactWarning = priceImpactWarning,
+            priceImpact = priceImpact,
            swapCardState = state.sendCardData,
            modifier = Modifier.constrainAs(topCard) {
                top.linkTo(parent.top)
@ -138,7 +139,7 @@ private fun MainInfo(state: SwapStateHolder) {
        )
        val marginCard = TangemTheme.dimens.spacing16
        TransactionCardData(
-            priceImpactWarning = priceImpactWarning,
+            priceImpact = priceImpact,
            swapCardState = state.receiveCardData,
            modifier = Modifier.constrainAs(bottomCard) {
                top.linkTo(topCard.bottom, margin = marginCard)
@ -159,7 +160,7 @@ private fun MainInfo(state: SwapStateHolder) {

@Composable
 private fun TransactionCardData(
-    priceImpactWarning: SwapWarning.HighPriceImpact?,
+    priceImpact: PriceImpact,
    swapCardState: SwapCardState,
    onSelectTokenClick: (() -> Unit)?,
    modifier: Modifier = Modifier,
@ -186,7 +187,7 @@ private fun TransactionCardData(
                amountEquivalent = swapCardState.amountEquivalent,
                tokenIconUrl = swapCardState.tokenIconUrl ?: "",
                tokenCurrency = swapCardState.tokenCurrency,
-                priceImpact = priceImpactWarning,
+                priceImpact = priceImpact,
                networkIconRes = if (swapCardState.isNotNativeToken) swapCardState.networkIconRes else null,
                iconPlaceholder = swapCardState.coinId?.let {
                    getActiveIconResByCoinId(it)
@ -498,6 +499,7 @@ private val state = SwapStateHolder(
    permissionState = SwapPermissionState.InProgress,
    blockchainId = "POLYGON",
    providerState = ProviderState.Loading(),
+    priceImpact = PriceImpact.Empty(),
    tosState = TosState(
        tosLink = LegalState(
            title = stringReference("Tangem"),
--- a/features/swap/presentation/src/main/java/com/tangem/feature/swap/ui/TransactionCard.kt
+++ b/features/swap/presentation/src/main/java/com/tangem/feature/swap/ui/TransactionCard.kt
@ -37,7 +37,7 @@ import com.tangem.core.ui.R
 import com.tangem.core.ui.components.*
 import com.tangem.core.ui.res.TangemTheme
 import com.tangem.core.ui.utils.ImageBackgroundContrastChecker
-import com.tangem.feature.swap.models.SwapWarning
+import com.tangem.feature.swap.domain.models.ui.PriceImpact
 import com.tangem.feature.swap.models.TransactionCardType
 import kotlinx.coroutines.launch

@ -49,7 +49,7 @@ fun TransactionCard(
    tokenIconUrl: String,
    tokenCurrency: String,
    amountEquivalent: String?,
-    priceImpact: SwapWarning.HighPriceImpact?,
+    priceImpact: PriceImpact,
    textFieldValue: TextFieldValue?,
    modifier: Modifier = Modifier,
    @DrawableRes iconPlaceholder: Int? = null,
@ -138,7 +138,7 @@ fun TransactionCardEmpty(
                type = type,
                amountEquivalent = amountEquivalent,
                textFieldValue = textFieldValue,
-                priceImpact = null,
+                priceImpact = PriceImpact.Empty(),
            )
        }

@ -221,7 +221,7 @@ private fun Header(type: TransactionCardType, balance: String, modifier: Modifie
 private fun Content(
    type: TransactionCardType,
    amountEquivalent: String?,
-    priceImpact: SwapWarning.HighPriceImpact?,
+    priceImpact: PriceImpact,
    textFieldValue: TextFieldValue?,
 ) {
    Row(
@ -274,10 +274,10 @@ private fun Content(
            SpacerH8()

            if (amountEquivalent != null) {
-                if (type is TransactionCardType.ReceiveCard && priceImpact != null) {
+                if (type is TransactionCardType.ReceiveCard && priceImpact !is PriceImpact.Empty) {
                    Row {
                        Text(
-                            text = makePriceImpactBalanceWarning(amountEquivalent, priceImpact.priceImpact),
+                            text = makePriceImpactBalanceWarning(amountEquivalent, priceImpact.getIntPercentValue()),
                            color = TangemTheme.colors.text.tertiary,
                            style = TangemTheme.typography.body2,
                            modifier = Modifier
@ -491,7 +491,7 @@ private fun TransactionCardPreview() {
        onChangeTokenClick = {},
        balance = "123",
        textFieldValue = TextFieldValue(),
-        priceImpact = null,
+        priceImpact = PriceImpact.Empty(),
    )
 }