Updated on 2026-08-14

This commit is contained in:
Tangem 2025-07-14 18:01:49 +05:00
parent 5988ef1834
commit bdaa181aec
13 changed files with 790 additions and 0 deletions

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@ -13,4 +13,12 @@ import com.tangem.domain.swap.models.SwapDirection.Reverse
enum class SwapDirection {
Direct,
Reverse,
;
companion object {
inline fun <T> SwapDirection.withSwapDirection(onDirect: () -> T, onReverse: () -> T): T = when (this) {
Direct -> onDirect()
Reverse -> onReverse()
}
}
}

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@ -34,6 +34,9 @@ dependencies {
implementation(projects.common.ui)
implementation(projects.common.routing)
/** Libs */
implementation(projects.libs.crypto)
implementation(tangemDeps.blockchain) {
exclude(module = "joda-time")
}
@ -54,6 +57,9 @@ dependencies {
implementation(projects.domain.transaction.models)
implementation(projects.domain.transaction)
implementation(projects.domain.legacy)
implementation(projects.domain.balanceHiding.models)
implementation(projects.domain.balanceHiding)
implementation(projects.domain.settings)
/** Compose */
implementation(deps.compose.foundation)

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@ -0,0 +1,6 @@
package com.tangem.features.swap.v2.impl.common
internal object SwapUtils {
const val INCREASE_GAS_LIMIT_FOR_DEX = 112 // 12%
const val INCREASE_GAS_LIMIT_FOR_CEX = 105 // 5%
}

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@ -0,0 +1,24 @@
package com.tangem.features.swap.v2.impl.common.entity
import androidx.compose.runtime.Immutable
import com.tangem.common.ui.notifications.NotificationUM
import com.tangem.core.ui.extensions.TextReference
import kotlinx.collections.immutable.ImmutableList
@Immutable
internal sealed class ConfirmUM {
abstract val isPrimaryButtonEnabled: Boolean
data class Content(
override val isPrimaryButtonEnabled: Boolean = false,
val isTransactionInProcess: Boolean,
val showTapHelp: Boolean,
val sendingFooter: TextReference,
val notifications: ImmutableList<NotificationUM>,
) : ConfirmUM()
data object Empty : ConfirmUM() {
override val isPrimaryButtonEnabled: Boolean = false
}
}

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@ -0,0 +1,31 @@
package com.tangem.features.swap.v2.impl.sendviaswap
import com.tangem.core.decompose.navigation.Route
import com.tangem.features.send.v2.api.subcomponents.destination.DestinationRoute
import com.tangem.features.swap.v2.impl.amount.SwapAmountRoute
import kotlinx.serialization.Serializable
internal sealed class SendWithSwapRoute : Route {
abstract val isEditMode: Boolean
@Serializable
data class Amount(
override val isEditMode: Boolean,
) : SendWithSwapRoute(), SwapAmountRoute
@Serializable
data class Destination(
override val isEditMode: Boolean,
) : SendWithSwapRoute(), DestinationRoute
@Serializable
data object Confirm : SendWithSwapRoute() {
override val isEditMode: Boolean = false
}
@Serializable
data object Success : SendWithSwapRoute() {
override val isEditMode: Boolean = false
}
}

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@ -0,0 +1,162 @@
package com.tangem.features.swap.v2.impl.sendviaswap.confirm
import androidx.compose.runtime.Composable
import androidx.compose.runtime.getValue
import androidx.compose.ui.Modifier
import androidx.lifecycle.compose.collectAsStateWithLifecycle
import com.tangem.core.decompose.context.AppComponentContext
import com.tangem.core.decompose.context.child
import com.tangem.core.decompose.context.childByContext
import com.tangem.core.decompose.model.getOrCreateModel
import com.tangem.core.ui.decompose.ComposableContentComponent
import com.tangem.domain.appcurrency.model.AppCurrency
import com.tangem.domain.swap.models.SwapDirection
import com.tangem.domain.tokens.model.CryptoCurrencyStatus
import com.tangem.domain.wallets.models.UserWallet
import com.tangem.features.send.v2.api.FeeSelectorBlockComponent
import com.tangem.features.send.v2.api.SendNotificationsComponent
import com.tangem.features.send.v2.api.entity.PredefinedValues
import com.tangem.features.send.v2.api.params.FeeSelectorParams
import com.tangem.features.send.v2.api.subcomponents.destination.SendDestinationBlockComponent
import com.tangem.features.send.v2.api.subcomponents.destination.SendDestinationComponentParams
import com.tangem.features.swap.v2.impl.amount.SwapAmountBlockComponent
import com.tangem.features.swap.v2.impl.amount.SwapAmountComponentParams
import com.tangem.features.swap.v2.impl.common.entity.ConfirmUM
import com.tangem.features.swap.v2.impl.sendviaswap.SendWithSwapRoute
import com.tangem.features.swap.v2.impl.sendviaswap.confirm.model.SendWithSwapConfirmModel
import com.tangem.features.swap.v2.impl.sendviaswap.confirm.ui.SendWithSwapConfirmContent
import com.tangem.features.swap.v2.impl.sendviaswap.entity.SendWithSwapUM
import dagger.assisted.Assisted
import dagger.assisted.AssistedFactory
import dagger.assisted.AssistedInject
import kotlinx.coroutines.flow.*
import java.math.BigDecimal
internal class SendWithSwapConfirmComponent @AssistedInject constructor(
@Assisted private val appComponentContext: AppComponentContext,
@Assisted private val params: Params,
sendDestinationBlockComponent: SendDestinationBlockComponent.Factory,
feeSelectorBlockComponentFactory: FeeSelectorBlockComponent.Factory,
sendNotificationsComponentFactory: SendNotificationsComponent.Factory,
) : ComposableContentComponent, AppComponentContext by appComponentContext {
private val model: SendWithSwapConfirmModel = getOrCreateModel(params = params)
private val blockClickEnableFlow = MutableStateFlow(false)
private val amountBlockComponent = SwapAmountBlockComponent(
appComponentContext = child("sendWithSwapConfirmAmountBlock"),
params = SwapAmountComponentParams.AmountBlockParams(
amountUM = model.uiState.value.amountUM,
analyticsCategoryName = params.analyticsCategoryName,
userWallet = params.userWallet,
blockClickEnableFlow = blockClickEnableFlow.asStateFlow(),
primaryCryptoCurrencyStatusFlow = params.primaryCryptoCurrencyStatusFlow,
secondaryCryptoCurrency = model.secondaryCurrency,
isBalanceHidingFlow = params.isBalanceHidingFlow,
swapDirection = params.swapDirection,
),
onResult = model::onAmountResult,
onClick = model::showEditAmount,
)
private val sendDestinationBlockComponent = sendDestinationBlockComponent.create(
context = child("sendWithSwapConfirmDestinationBlock"),
params = SendDestinationComponentParams.DestinationBlockParams(
state = model.uiState.value.destinationUM,
analyticsCategoryName = params.analyticsCategoryName,
userWalletId = params.userWallet.walletId,
blockClickEnableFlow = blockClickEnableFlow.asStateFlow(),
cryptoCurrency = model.secondaryCurrency,
predefinedValues = PredefinedValues.Empty,
),
onResult = model::onDestinationResult,
onClick = model::showEditDestination,
)
private val feeSelectorBlockComponent = feeSelectorBlockComponentFactory.create(
context = child("sendWithSwapConfirmFeeBlock"),
params = FeeSelectorParams.FeeSelectorBlockParams(
state = model.uiState.value.feeSelectorUM,
onLoadFee = model::loadFee,
feeCryptoCurrencyStatus = model.primaryFeePaidCurrencyStatus,
cryptoCurrencyStatus = model.primaryCurrencyStatus,
suggestedFeeState = FeeSelectorParams.SuggestedFeeState.None,
feeDisplaySource = FeeSelectorParams.FeeDisplaySource.Screen,
),
onResult = model::onFeeResult,
)
private val sendNotificationsComponent = sendNotificationsComponentFactory.create(
context = appComponentContext.childByContext(child("sendWithSwapConfirmNotifications")),
params = SendNotificationsComponent.Params(
analyticsCategoryName = params.analyticsCategoryName,
userWalletId = params.userWallet.walletId,
cryptoCurrencyStatus = model.primaryCurrencyStatus,
feeCryptoCurrencyStatus = model.primaryFeePaidCurrencyStatus,
appCurrency = params.appCurrency,
notificationData = SendNotificationsComponent.Params.NotificationData(
// todo fill with data
destinationAddress = "",
memo = "",
amountValue = BigDecimal.ZERO,
reduceAmountBy = BigDecimal.ZERO,
isIgnoreReduce = false,
fee = null,
feeError = null,
),
),
)
init {
model.uiState.onEach { state ->
val confirmUM = state.confirmUM as? ConfirmUM.Content
blockClickEnableFlow.value = confirmUM?.isTransactionInProcess == false
}.launchIn(componentScope)
}
fun updateState(sendWithSwapUM: SendWithSwapUM) {
amountBlockComponent.updateState(sendWithSwapUM.amountUM)
sendDestinationBlockComponent.updateState(sendWithSwapUM.destinationUM)
feeSelectorBlockComponent.updateState(sendWithSwapUM.feeSelectorUM)
model.updateState(sendWithSwapUM)
}
@Composable
override fun Content(modifier: Modifier) {
val sendWithSwapUM by model.uiState.collectAsStateWithLifecycle()
val sendNotificationsUM by sendNotificationsComponent.state.collectAsStateWithLifecycle()
SendWithSwapConfirmContent(
sendWithSwapUM = sendWithSwapUM,
amountBlockComponent = amountBlockComponent,
sendDestinationBlockComponent = sendDestinationBlockComponent,
feeSelectorBlockComponent = feeSelectorBlockComponent,
sendNotificationsComponent = sendNotificationsComponent,
sendNotificationsUM = sendNotificationsUM,
modifier = modifier,
)
}
data class Params(
val sendWithSwapUM: SendWithSwapUM,
val analyticsCategoryName: String,
val userWallet: UserWallet,
val appCurrency: AppCurrency,
val currentRoute: Flow<SendWithSwapRoute>,
val swapDirection: SwapDirection,
val isBalanceHidingFlow: StateFlow<Boolean>,
val primaryCryptoCurrencyStatusFlow: StateFlow<CryptoCurrencyStatus>,
val primaryFeePaidCurrencyStatusFlow: StateFlow<CryptoCurrencyStatus>,
val callback: ModelCallback,
)
@AssistedFactory
interface Factory {
fun create(appComponentContext: AppComponentContext, params: Params): SendWithSwapConfirmComponent
}
interface ModelCallback {
fun onResult(sendWithSwapUM: SendWithSwapUM)
}
}

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@ -0,0 +1,20 @@
package com.tangem.features.swap.v2.impl.sendviaswap.confirm.di
import com.tangem.core.decompose.di.ModelComponent
import com.tangem.core.decompose.model.Model
import com.tangem.features.swap.v2.impl.sendviaswap.confirm.model.SendWithSwapConfirmModel
import dagger.Binds
import dagger.Module
import dagger.hilt.InstallIn
import dagger.multibindings.ClassKey
import dagger.multibindings.IntoMap
@Module
@InstallIn(ModelComponent::class)
internal interface SendWithSwapConfirmModule {
@Binds
@IntoMap
@ClassKey(SendWithSwapConfirmModel::class)
fun bindsSendWithSwapConfirmModel(impl: SendWithSwapConfirmModel): Model
}

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@ -0,0 +1,239 @@
package com.tangem.features.swap.v2.impl.sendviaswap.confirm.model
import arrow.core.Either
import arrow.core.getOrElse
import arrow.core.left
import com.tangem.blockchain.common.transaction.TransactionFee
import com.tangem.common.ui.amountScreen.models.AmountState
import com.tangem.common.ui.navigationButtons.NavigationButton
import com.tangem.common.ui.navigationButtons.NavigationUM
import com.tangem.core.decompose.di.ModelScoped
import com.tangem.core.decompose.model.Model
import com.tangem.core.decompose.model.ParamsContainer
import com.tangem.core.decompose.navigation.Router
import com.tangem.core.ui.extensions.resourceReference
import com.tangem.domain.express.models.ExpressProviderType
import com.tangem.domain.models.currency.CryptoCurrency
import com.tangem.domain.settings.IsSendTapHelpEnabledUseCase
import com.tangem.domain.swap.models.SwapDirection.Companion.withSwapDirection
import com.tangem.domain.tokens.IsAmountSubtractAvailableUseCase
import com.tangem.domain.tokens.model.CryptoCurrencyStatus
import com.tangem.domain.transaction.error.GetFeeError
import com.tangem.domain.transaction.usecase.EstimateFeeUseCase
import com.tangem.features.send.v2.api.SendNotificationsComponent.Params.NotificationData
import com.tangem.features.send.v2.api.callbacks.FeeSelectorModelCallback
import com.tangem.features.send.v2.api.entity.FeeSelectorUM
import com.tangem.features.send.v2.api.subcomponents.destination.entity.DestinationUM
import com.tangem.features.send.v2.api.subcomponents.notifications.SendNotificationsUpdateTrigger
import com.tangem.features.swap.v2.impl.R
import com.tangem.features.swap.v2.impl.amount.entity.SwapAmountUM
import com.tangem.features.swap.v2.impl.common.SwapUtils.INCREASE_GAS_LIMIT_FOR_CEX
import com.tangem.features.swap.v2.impl.common.entity.ConfirmUM
import com.tangem.features.swap.v2.impl.common.entity.SwapQuoteUM
import com.tangem.features.swap.v2.impl.sendviaswap.SendWithSwapRoute
import com.tangem.features.swap.v2.impl.sendviaswap.confirm.SendWithSwapConfirmComponent
import com.tangem.features.swap.v2.impl.sendviaswap.confirm.model.transformers.SendWithSwapConfirmInitialStateTransformer
import com.tangem.features.swap.v2.impl.sendviaswap.confirm.model.transformers.SendWithSwapConfirmationNotificationsTransformer
import com.tangem.features.swap.v2.impl.sendviaswap.entity.SendWithSwapUM
import com.tangem.lib.crypto.BlockchainFeeUtils.patchTransactionFeeForSwap
import com.tangem.utils.coroutines.CoroutineDispatcherProvider
import com.tangem.utils.extensions.orZero
import jakarta.inject.Inject
import kotlinx.coroutines.flow.*
import kotlinx.coroutines.launch
import com.tangem.utils.transformer.update as transformerUpdate
@Suppress("LongParameterList")
@ModelScoped
internal class SendWithSwapConfirmModel @Inject constructor(
override val dispatchers: CoroutineDispatcherProvider,
private val router: Router,
private val isSendTapHelpEnabledUseCase: IsSendTapHelpEnabledUseCase,
private val estimateFeeUseCase: EstimateFeeUseCase,
private val isAmountSubtractAvailableUseCase: IsAmountSubtractAvailableUseCase,
private val sendNotificationsUpdateTrigger: SendNotificationsUpdateTrigger,
paramsContainer: ParamsContainer,
) : Model(), FeeSelectorModelCallback {
private val params: SendWithSwapConfirmComponent.Params = paramsContainer.require()
val uiState: StateFlow<SendWithSwapUM>
field = MutableStateFlow(params.sendWithSwapUM)
val primaryCurrencyStatus: CryptoCurrencyStatus = params.primaryCryptoCurrencyStatusFlow.value
val primaryFeePaidCurrencyStatus: CryptoCurrencyStatus = params.primaryFeePaidCurrencyStatusFlow.value
private val amountUM = uiState.value.amountUM as? SwapAmountUM.Content
val secondaryCurrency: CryptoCurrency = requireNotNull(amountUM?.secondaryCryptoCurrencyStatus?.currency) {
"Crypto currency must not be null"
}
private var isAmountSubtractAvailable = false
init {
initAmountSubtractAvailability()
configConfirmNavigation()
initialState()
}
override fun onFeeResult(feeSelectorUM: FeeSelectorUM) {
uiState.update { it.copy(feeSelectorUM = feeSelectorUM) }
updateConfirmNotifications()
}
fun onAmountResult(amountUM: SwapAmountUM) {
uiState.update { it.copy(amountUM = amountUM) }
updateConfirmNotifications()
}
fun onDestinationResult(destinationUM: DestinationUM) {
uiState.update { it.copy(destinationUM = destinationUM) }
updateConfirmNotifications()
}
fun updateState(sendWithSwapUM: SendWithSwapUM) {
uiState.value = sendWithSwapUM
}
fun showEditAmount() {
router.push(SendWithSwapRoute.Amount(isEditMode = true))
}
fun showEditDestination() {
router.push(SendWithSwapRoute.Destination(isEditMode = true))
}
suspend fun loadFee(): Either<GetFeeError, TransactionFee> {
val defaultError = GetFeeError.UnknownError.left()
val quote = amountUM?.selectedQuote as? SwapQuoteUM.Content ?: return defaultError
val amountUM = uiState.value.amountUM as? SwapAmountUM.Content ?: return defaultError
val amountField = amountUM.swapDirection.withSwapDirection(
onDirect = { amountUM.primaryAmount.amountField },
onReverse = { amountUM.secondaryAmount.amountField },
) as? AmountState.Data ?: return defaultError
val amountValue = amountField.amountTextField.cryptoAmount.value ?: return defaultError
return when (val providerType = quote.provider.type) {
ExpressProviderType.CEX -> {
estimateFeeUseCase(
amount = amountValue,
userWallet = params.userWallet,
cryptoCurrency = primaryCurrencyStatus.currency,
).map {
it.patchTransactionFeeForSwap(INCREASE_GAS_LIMIT_FOR_CEX)
}
}
ExpressProviderType.DEX,
ExpressProviderType.DEX_BRIDGE,
-> {
// todo send with swap
GetFeeError.UnknownError.left()
}
ExpressProviderType.ONRAMP,
-> GetFeeError.DataError(
cause = IllegalStateException("Provider $providerType is not supported in Send With Swap"),
).left()
}
}
private fun onSendClick() {
// todo swap send tx
}
private fun initAmountSubtractAvailability() {
modelScope.launch {
isAmountSubtractAvailable =
isAmountSubtractAvailableUseCase(
params.userWallet.walletId,
primaryCurrencyStatus.currency,
).getOrElse { false }
}
}
private fun initialState() {
val confirmUM = uiState.value.confirmUM
modelScope.launch {
val isShowTapHelp = isSendTapHelpEnabledUseCase().getOrElse { false }
if (confirmUM is ConfirmUM.Empty) {
uiState.update {
it.copy(
confirmUM = SendWithSwapConfirmInitialStateTransformer(
isShowTapHelp = isShowTapHelp,
).transform(uiState.value.confirmUM),
)
}
updateConfirmNotifications()
}
}
}
private fun updateConfirmNotifications() {
val amountUM = uiState.value.amountUM as? SwapAmountUM.Content ?: return
val destinationUM = uiState.value.destinationUM as? DestinationUM.Content ?: return
val feeSelectorUMContent = uiState.value.feeSelectorUM as? FeeSelectorUM.Content
val feeSelectorUMError = uiState.value.feeSelectorUM as? FeeSelectorUM.Error
val amountField = amountUM.swapDirection.withSwapDirection(
onDirect = { amountUM.primaryAmount.amountField },
onReverse = { amountUM.secondaryAmount.amountField },
) as? AmountState.Data ?: return
val enteredDestination = destinationUM.addressTextField.actualAddress
modelScope.launch {
sendNotificationsUpdateTrigger.triggerUpdate(
data = NotificationData(
destinationAddress = enteredDestination,
memo = null,
amountValue = amountField.amountTextField.cryptoAmount.value.orZero(),
reduceAmountBy = amountField.reduceAmountBy.orZero(),
isIgnoreReduce = amountField.isIgnoreReduce,
fee = feeSelectorUMContent?.selectedFeeItem?.fee,
feeError = feeSelectorUMError?.error,
),
)
uiState.transformerUpdate(
SendWithSwapConfirmationNotificationsTransformer(),
)
}
}
private fun configConfirmNavigation() {
combine(
flow = uiState,
flow2 = params.currentRoute,
transform = { state, route -> state to route },
).filter {
it.second is SendWithSwapRoute.Confirm
}.onEach { (state, _) ->
val confirmUM = state.confirmUM
params.callback.onResult(
state.copy(
navigationUM = NavigationUM.Content(
title = resourceReference(id = R.string.send_with_swap_confirm_title),
subtitle = null,
backIconRes = R.drawable.ic_back_24,
backIconClick = router::pop,
primaryButton = NavigationButton(
textReference = resourceReference(R.string.common_send),
iconRes = R.drawable.ic_tangem_24,
isEnabled = confirmUM.isPrimaryButtonEnabled,
onClick = {
when (confirmUM) {
is ConfirmUM.Content -> if (confirmUM.isTransactionInProcess) {
return@NavigationButton
} else {
onSendClick()
}
else -> return@NavigationButton
}
},
),
),
),
)
}.launchIn(modelScope)
}
}

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@ -0,0 +1,20 @@
package com.tangem.features.swap.v2.impl.sendviaswap.confirm.model.transformers
import com.tangem.core.ui.extensions.TextReference
import com.tangem.features.swap.v2.impl.common.entity.ConfirmUM
import com.tangem.utils.transformer.Transformer
import kotlinx.collections.immutable.persistentListOf
internal class SendWithSwapConfirmInitialStateTransformer(
private val isShowTapHelp: Boolean,
) : Transformer<ConfirmUM> {
override fun transform(prevState: ConfirmUM): ConfirmUM {
return ConfirmUM.Content(
isPrimaryButtonEnabled = false,
isTransactionInProcess = false,
showTapHelp = isShowTapHelp,
sendingFooter = TextReference.EMPTY,
notifications = persistentListOf(),
)
}
}

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@ -0,0 +1,106 @@
package com.tangem.features.swap.v2.impl.sendviaswap.confirm.model.transformers
import com.tangem.blockchain.common.transaction.Fee
import com.tangem.common.ui.amountScreen.models.AmountState
import com.tangem.common.ui.notifications.NotificationUM
import com.tangem.core.ui.extensions.TextReference
import com.tangem.core.ui.extensions.resourceReference
import com.tangem.core.ui.extensions.wrappedList
import com.tangem.core.ui.format.bigdecimal.fiat
import com.tangem.core.ui.format.bigdecimal.format
import com.tangem.domain.swap.models.SwapDirection.Companion.withSwapDirection
import com.tangem.features.send.v2.api.entity.FeeSelectorUM
import com.tangem.features.send.v2.api.subcomponents.feeSelector.utils.FeeCalculationUtils.checkIfCustomFeeTooHigh
import com.tangem.features.send.v2.api.subcomponents.feeSelector.utils.FeeCalculationUtils.checkIfCustomFeeTooLow
import com.tangem.features.swap.v2.impl.R
import com.tangem.features.swap.v2.impl.amount.entity.SwapAmountUM
import com.tangem.features.swap.v2.impl.common.entity.ConfirmUM
import com.tangem.features.swap.v2.impl.sendviaswap.entity.SendWithSwapUM
import com.tangem.utils.transformer.Transformer
import kotlinx.collections.immutable.toPersistentList
internal class SendWithSwapConfirmationNotificationsTransformer : Transformer<SendWithSwapUM> {
override fun transform(prevState: SendWithSwapUM): SendWithSwapUM {
val confirmUM = prevState.confirmUM as? ConfirmUM.Content ?: return prevState
val feeSelectorUM = prevState.feeSelectorUM as? FeeSelectorUM.Content ?: return prevState
return prevState.copy(
confirmUM = confirmUM.copy(
sendingFooter = getSendingFooterText(feeSelectorUM, prevState.amountUM),
notifications = buildList {
addTooHighNotification(feeSelectorUM = feeSelectorUM)
addTooLowNotification(feeSelectorUM = feeSelectorUM)
}.toPersistentList(),
),
)
}
private fun MutableList<NotificationUM>.addTooLowNotification(feeSelectorUM: FeeSelectorUM.Content) {
if (checkIfCustomFeeTooLow(feeSelectorUM = feeSelectorUM)) {
add(NotificationUM.Warning.FeeTooLow)
}
}
private fun MutableList<NotificationUM>.addTooHighNotification(feeSelectorUM: FeeSelectorUM.Content) {
val (isFeeTooHigh, diff) = checkIfCustomFeeTooHigh(feeSelectorUM = feeSelectorUM)
if (isFeeTooHigh) {
add(NotificationUM.Warning.TooHigh(diff))
}
}
private fun getSendingFooterText(feeSelectorUM: FeeSelectorUM.Content, swapAmountUM: SwapAmountUM): TextReference {
val amountUM = swapAmountUM.swapDirection.withSwapDirection(
onDirect = { swapAmountUM.primaryAmount.amountField },
onReverse = { swapAmountUM.secondaryAmount.amountField },
) as? AmountState.Data
val feeItem = feeSelectorUM.selectedFeeItem
val feeFiatRateUM = feeSelectorUM.feeFiatRateUM
val appCurrency = feeFiatRateUM?.appCurrency
if (amountUM == null || appCurrency == null) return TextReference.EMPTY
val fiatAmountValue = amountUM.amountTextField.fiatAmount.value
val fiatFeeValue = feeItem.fee.amount.value?.multiply(feeFiatRateUM.rate)
val fiatSendingValue = if (feeSelectorUM.feeExtraInfo.isFeeConvertibleToFiat) {
fiatFeeValue?.let { fiatAmountValue?.plus(it) }
} else {
fiatAmountValue
}
val fiatSending = fiatSendingValue.format {
fiat(
fiatCurrencyCode = appCurrency.code,
fiatCurrencySymbol = appCurrency.symbol,
)
}
val fiatFee = TextReference.EMPTY
// todo send with swap footer
// formatFooterFiatFee(
// amount = feeItem.fee.amount.copy(value = fiatFeeValue),
// isFeeConvertibleToFiat = feeSelectorUM.feeExtraInfo.isFeeConvertibleToFiat,
// isFeeApproximate = feeSelectorUM.feeExtraInfo.isFeeApproximate,
// appCurrency = appCurrency,
// )
return if (feeSelectorUM.feeExtraInfo.isTronToken && feeItem.fee is Fee.Tron) {
// todo send with swap footer
// getTronTokenFeeSendingText(
// fee = feeItem.fee,
// fiatFee = fiatFee,
// fiatSending = stringReference(fiatSending),
// )
TextReference.EMPTY
} else {
resourceReference(
id = if (feeSelectorUM.feeExtraInfo.isFeeConvertibleToFiat) {
R.string.send_summary_transaction_description
} else {
R.string.send_summary_transaction_description_no_fiat_fee
},
formatArgs = wrappedList(fiatSending, fiatFee),
)
}
}
}

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@ -0,0 +1,72 @@
package com.tangem.features.swap.v2.impl.sendviaswap.confirm.ui
import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.lazy.LazyColumn
import androidx.compose.foundation.shape.RoundedCornerShape
import androidx.compose.runtime.Composable
import androidx.compose.ui.Modifier
import androidx.compose.ui.draw.clip
import androidx.compose.ui.unit.dp
import com.tangem.common.ui.notifications.NotificationUM
import com.tangem.core.ui.components.SpacerHMax
import com.tangem.features.send.v2.api.FeeSelectorBlockComponent
import com.tangem.features.send.v2.api.SendNotificationsComponent
import com.tangem.features.send.v2.api.subcomponents.destination.SendDestinationBlockComponent
import com.tangem.features.swap.v2.impl.amount.SwapAmountBlockComponent
import com.tangem.features.swap.v2.impl.common.entity.ConfirmUM
import com.tangem.features.swap.v2.impl.sendviaswap.entity.SendWithSwapUM
import kotlinx.collections.immutable.ImmutableList
@Suppress("LongParameterList")
@Composable
internal fun SendWithSwapConfirmContent(
sendWithSwapUM: SendWithSwapUM,
amountBlockComponent: SwapAmountBlockComponent,
sendDestinationBlockComponent: SendDestinationBlockComponent,
feeSelectorBlockComponent: FeeSelectorBlockComponent,
sendNotificationsComponent: SendNotificationsComponent,
sendNotificationsUM: ImmutableList<NotificationUM>,
modifier: Modifier = Modifier,
) {
val confirmUM = sendWithSwapUM.confirmUM as? ConfirmUM.Content
Column(modifier = modifier) {
LazyColumn(
verticalArrangement = Arrangement.spacedBy(8.dp),
modifier = Modifier.padding(horizontal = 12.dp),
) {
item(key = "SendWithSwapAmountBlock") {
amountBlockComponent.Content(Modifier)
}
item(key = "SendWithSwapDestinationBlock") {
sendDestinationBlockComponent.Content(Modifier)
}
item(key = "SendWithSwapFeeBLock") {
Box(
modifier = Modifier.clip(RoundedCornerShape(16.dp)),
) {
feeSelectorBlockComponent.Content(Modifier)
}
}
if (confirmUM != null) {
// tapHelp(isDisplay = confirmUM.showTapHelp) // todo
with(sendNotificationsComponent) {
content(
state = sendNotificationsUM,
isClickDisabled = confirmUM.isTransactionInProcess,
)
}
// notifications(
// notifications = confirmUM.notifications,
// isClickDisabled = confirmUM.isTransactionInProcess,
// )
}
}
SpacerHMax()
// todo
// SendingText(footerText = confirmUM?.sendingFooter ?: TextReference.EMPTY)
}
}

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package com.tangem.features.swap.v2.impl.sendviaswap.entity
import com.tangem.common.ui.navigationButtons.NavigationUM
import com.tangem.features.send.v2.api.entity.FeeSelectorUM
import com.tangem.features.send.v2.api.subcomponents.destination.entity.DestinationUM
import com.tangem.features.swap.v2.impl.amount.entity.SwapAmountUM
import com.tangem.features.swap.v2.impl.common.entity.ConfirmUM
internal data class SendWithSwapUM(
val amountUM: SwapAmountUM,
val destinationUM: DestinationUM,
val feeSelectorUM: FeeSelectorUM,
val confirmUM: ConfirmUM,
val navigationUM: NavigationUM,
)

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package com.tangem.lib.crypto
import com.tangem.blockchain.common.transaction.Fee
import com.tangem.blockchain.common.transaction.TransactionFee
import java.math.BigInteger
import java.math.RoundingMode
/**
* !!!IMPORTANT!!!
* Methods for tuning transaction fee of different blockchains
*
* Temporary solution for domain specific logic for Blockchain.
* Instead of creating repositories and unnecessary and overkill use cases
*/
object BlockchainFeeUtils {
private val HUNDRED_PERCENT = BigInteger("100")
/**
* We need to increase gasLimit for Ethereum fees for 2 cases
*
* DEX: for dex calculated gasLimit for given data might be changed when transaction processing
* for that case dex providers recommend to increase gasLimit for few percents to ensure transaction completes
*
* CEX: for that case we calculate fee for random generated address and gasLimit might be different for it
* and result address to send. That's why we should increase gasLimit a little
*
*/
fun TransactionFee.patchTransactionFeeForSwap(increaseBy: Int): TransactionFee {
return when (this) {
is TransactionFee.Choosable -> {
this.copy(
minimum = this.minimum.increaseEthGasLimitInNeeded(increaseBy),
normal = this.normal.increaseEthGasLimitInNeeded(increaseBy),
priority = this.priority.increaseEthGasLimitInNeeded(increaseBy),
)
}
is TransactionFee.Single -> this.copy(normal = this.normal.increaseEthGasLimitInNeeded(increaseBy))
}
}
private fun Fee.increaseEthGasLimitInNeeded(increaseBy: Int): Fee {
return when (this) {
is Fee.Ethereum.EIP1559,
is Fee.Ethereum.Legacy,
-> this.increaseGasLimitBy(increaseBy)
is Fee.Alephium,
is Fee.Aptos,
is Fee.Bitcoin,
is Fee.CardanoToken,
is Fee.Common,
is Fee.Filecoin,
is Fee.Hedera,
is Fee.Kaspa,
is Fee.Sui,
is Fee.Tron,
is Fee.VeChain,
-> this
}
}
/**
* Increase gasLimit for Fee.Ethereum
*/
private fun Fee.increaseGasLimitBy(percentage: Int): Fee {
if (this !is Fee.Ethereum) return this
val gasLimit = this.gasLimit
val increasedGasPrice = this.amount.value?.movePointRight(this.amount.decimals)
?.divide(gasLimit.toBigDecimal(), RoundingMode.HALF_UP)
val increasedGasLimit = gasLimit
.multiply(percentage.toBigInteger())
.divide(HUNDRED_PERCENT)
val increasedAmount = this.amount.copy(
value = increasedGasLimit.toBigDecimal().multiply(increasedGasPrice).movePointLeft(this.amount.decimals),
)
return when (this) {
is Fee.Ethereum.EIP1559 -> copy(amount = increasedAmount, gasLimit = increasedGasLimit)
is Fee.Ethereum.Legacy -> copy(amount = increasedAmount, gasLimit = increasedGasLimit)
}
}
}