Updated on 2026-08-14

2023-07-13 09:50:38 +03:00 · 2023-07-13 09:50:38 +03:00 · d8348e54df
commit d8348e54df
parent bde99e272b
14 changed files with 448 additions and 27 deletions
--- a/core/ui/src/main/java/com/tangem/core/ui/utils/BigDecimalFormatter.kt
+++ b/core/ui/src/main/java/com/tangem/core/ui/utils/BigDecimalFormatter.kt
@ -0,0 +1,71 @@
+package com.tangem.core.ui.utils
+
+import java.math.BigDecimal
+import java.math.RoundingMode
+import java.text.NumberFormat
+import java.util.Currency
+import java.util.Locale
+
+object BigDecimalFormatter {
+
+    private const val TEMP_CURRENCY_CODE = "USD"
+
+    fun formatCryptoAmount(
+        cryptoAmount: BigDecimal,
+        cryptoCurrency: String,
+        decimals: Int,
+        locale: Locale = Locale.getDefault(),
+    ): String {
+        val formatterCurrency = getCurrency(cryptoCurrency)
+        val formatter = NumberFormat.getCurrencyInstance(locale).apply {
+            currency = formatterCurrency
+            maximumFractionDigits = decimals.coerceAtMost(maximumValue = 8)
+            minimumFractionDigits = 2
+            roundingMode = RoundingMode.DOWN
+        }
+
+        return formatter.format(cryptoAmount)
+            .replace(formatterCurrency.getSymbol(locale), cryptoCurrency)
+    }
+
+    fun formatFiatAmount(
+        fiatAmount: BigDecimal,
+        fiatCurrencyCode: String,
+        fiatCurrencySymbol: String,
+        locale: Locale = Locale.getDefault(),
+    ): String {
+        val formatterCurrency = getCurrency(fiatCurrencyCode)
+        val formatter = NumberFormat.getCurrencyInstance(locale).apply {
+            currency = formatterCurrency
+            maximumFractionDigits = 2
+            minimumFractionDigits = 2
+            roundingMode = RoundingMode.HALF_UP
+        }
+
+        return formatter.format(fiatAmount)
+            .replace(formatterCurrency.getSymbol(locale), fiatCurrencySymbol)
+    }
+
+    fun formatPercent(percent: BigDecimal, useAbsoluteValue: Boolean, locale: Locale = Locale.getDefault()): String {
+        val formatter = NumberFormat.getPercentInstance(locale).apply {
+            maximumFractionDigits = 2
+            minimumFractionDigits = 2
+            roundingMode = RoundingMode.HALF_UP
+        }
+        val value = if (useAbsoluteValue) percent.abs() else percent
+
+        return formatter.format(value)
+    }
+
+    private fun getCurrency(code: String): Currency {
+        return runCatching { Currency.getInstance(code) }
+            .getOrElse { e ->
+                // Currency code is not valid ISO 4217 code
+                if (e is IllegalArgumentException) {
+                    Currency.getInstance(TEMP_CURRENCY_CODE)
+                } else {
+                    throw e
+                }
+            }
+    }
+}
--- a/domain/tokens/src/main/kotlin/com/tangem/domain/tokens/model/NetworkGroup.kt
+++ b/domain/tokens/src/main/kotlin/com/tangem/domain/tokens/model/NetworkGroup.kt
@ -1,9 +1,7 @@
 package com.tangem.domain.tokens.model

-import arrow.core.NonEmptySet
-
 data class NetworkGroup(
    val networkId: Network.ID,
    val name: String,
-    val tokens: NonEmptySet<TokenStatus>,
+    val tokens: Set<TokenStatus>,
 )
--- a/domain/tokens/src/main/kotlin/com/tangem/domain/tokens/model/TokenList.kt
+++ b/domain/tokens/src/main/kotlin/com/tangem/domain/tokens/model/TokenList.kt
@ -1,6 +1,5 @@
 package com.tangem.domain.tokens.model

-import arrow.core.NonEmptySet
 import java.math.BigDecimal

 sealed class TokenList {
@ -8,13 +7,13 @@ sealed class TokenList {
    open val sortedBy: SortType = SortType.NONE

    data class GroupedByNetwork(
-        val groups: NonEmptySet<NetworkGroup>,
+        val groups: Set<NetworkGroup>,
        override val totalFiatBalance: FiatBalance,
        override val sortedBy: SortType,
    ) : TokenList()

    data class Ungrouped(
-        val tokens: NonEmptySet<TokenStatus>,
+        val tokens: Set<TokenStatus>,
        override val totalFiatBalance: FiatBalance,
        override val sortedBy: SortType,
    ) : TokenList()
--- a/domain/tokens/src/main/kotlin/com/tangem/domain/tokens/utils/TokenListOperations.kt
+++ b/domain/tokens/src/main/kotlin/com/tangem/domain/tokens/utils/TokenListOperations.kt
@ -84,7 +84,7 @@ internal class TokenListOperations(
    ): NonEmptySet<NetworkGroup> {
        val groupsWithSortedTokens = groupTokens(tokens, networks)
            .map { group ->
-                group.copy(tokens = sortTokensByBalance(group.tokens))
+                group.copy(tokens = sortTokensByBalance(group.tokens as NonEmptySet<TokenStatus>))
            }
            .toNonEmptySet()
        val sortedGroups = if (isAnyTokenLoading) {
--- a/domain/tokens/src/test/kotlin/com/tangem/domain/tokens/mock/MockTokenLists.kt
+++ b/domain/tokens/src/test/kotlin/com/tangem/domain/tokens/mock/MockTokenLists.kt
@ -68,7 +68,7 @@ internal object MockTokenLists {

    val loadingUngroupedTokenList = with(ungroupedTokenList) {
        copy(
-            tokens = tokens.map { it.copy(value = TokenStatus.Loading) }.toNonEmptySet(),
+            tokens = tokens.map { it.copy(value = TokenStatus.Loading) }.toSet(),
            totalFiatBalance = TokenList.FiatBalance.Loading,
        )
    }
@ -91,7 +91,7 @@ internal object MockTokenLists {

    val sortedGroupedTokenList: TokenList.GroupedByNetwork
        get() {
-            val groups = sortedNetworksGroups
+            val groups = sortedNetworksGroups.toSet()

            return groupedTokenList.copy(
                groups = groups,
--- a/features/wallet/impl/build.gradle.kts
+++ b/features/wallet/impl/build.gradle.kts
@ -29,6 +29,7 @@ dependencies {
    implementation(deps.kotlin.immutable.collections)
    implementation(deps.tangem.card.core)
    implementation(deps.tangem.blockchain)
+    implementation(deps.arrow.core)

    /** DI */
    implementation(deps.hilt.android)
--- a/features/wallet/impl/src/main/java/com/tangem/feature/wallet/presentation/common/WalletPreviewData.kt
+++ b/features/wallet/impl/src/main/java/com/tangem/feature/wallet/presentation/common/WalletPreviewData.kt
@ -4,6 +4,7 @@ import com.tangem.core.ui.R
 import com.tangem.core.ui.components.marketprice.MarketPriceBlockState
 import com.tangem.core.ui.components.marketprice.PriceChangeConfig
 import com.tangem.core.ui.components.transactions.TransactionState
+import com.tangem.domain.wallets.models.UserWalletId
 import com.tangem.feature.wallet.presentation.common.state.TokenItemState
 import com.tangem.feature.wallet.presentation.common.state.TokenItemState.TokenOptionsState
 import com.tangem.feature.wallet.presentation.organizetokens.DraggableItem
@ -51,14 +52,16 @@ internal object WalletPreviewData {
        onClick = null,
    )

+    val wallets = mapOf(
+        UserWalletId(stringValue = "123") to walletCardContentState,
+        UserWalletId(stringValue = "321") to walletCardLoadingState,
+        UserWalletId(stringValue = "42") to walletCardHiddenContentState,
+        UserWalletId(stringValue = "24") to walletCardErrorState,
+    )
+
    val walletListConfig = WalletsListConfig(
        selectedWalletIndex = 0,
-        wallets = persistentListOf(
-            walletCardContentState,
-            walletCardLoadingState,
-            walletCardHiddenContentState,
-            walletCardErrorState,
-        ),
+        wallets = wallets.values.toPersistentList(),
        onWalletChange = {},
    )

--- a/features/wallet/impl/src/main/java/com/tangem/feature/wallet/presentation/wallet/utils/FiatBalanceToWalletCardConverter.kt
+++ b/features/wallet/impl/src/main/java/com/tangem/feature/wallet/presentation/wallet/utils/FiatBalanceToWalletCardConverter.kt
@ -0,0 +1,40 @@
+package com.tangem.feature.wallet.presentation.wallet.utils
+
+import com.tangem.core.ui.utils.BigDecimalFormatter.formatFiatAmount
+import com.tangem.domain.tokens.model.TokenList
+import com.tangem.feature.wallet.presentation.wallet.state.WalletCardState
+import com.tangem.utils.converter.Converter
+
+internal class FiatBalanceToWalletCardConverter(
+    private val currentState: WalletCardState,
+    private val isWalletContentHidden: Boolean,
+    private val fiatCurrencyCode: String,
+    private val fiatCurrencySymbol: String,
+) : Converter<TokenList.FiatBalance, WalletCardState> {
+
+    override fun convert(value: TokenList.FiatBalance): WalletCardState {
+        // TODO: [REDACTED_JIRA]
+        return when (value) {
+            is TokenList.FiatBalance.Loading -> with(currentState) {
+                WalletCardState.Loading(id, title, additionalInfo, imageResId, onClick)
+            }
+            is TokenList.FiatBalance.Failed -> with(currentState) {
+                WalletCardState.Error(id, title, additionalInfo, imageResId, onClick)
+            }
+            is TokenList.FiatBalance.Loaded -> with(currentState) {
+                if (isWalletContentHidden) {
+                    WalletCardState.HiddenContent(id, title, additionalInfo, imageResId, onClick)
+                } else {
+                    WalletCardState.Content(
+                        id = id,
+                        title = title,
+                        additionalInfo = additionalInfo,
+                        imageResId = imageResId,
+                        onClick = onClick,
+                        balance = formatFiatAmount(value.amount, fiatCurrencyCode, fiatCurrencySymbol),
+                    )
+                }
+            }
+        }
+    }
+}
--- a/features/wallet/impl/src/main/java/com/tangem/feature/wallet/presentation/wallet/utils/LoadingItemsProvider.kt
+++ b/features/wallet/impl/src/main/java/com/tangem/feature/wallet/presentation/wallet/utils/LoadingItemsProvider.kt
@ -0,0 +1,15 @@
+package com.tangem.feature.wallet.presentation.wallet.utils
+
+import com.tangem.feature.wallet.presentation.common.state.TokenItemState
+import com.tangem.feature.wallet.presentation.wallet.state.WalletContentItemState.MultiCurrencyItem
+import kotlinx.collections.immutable.PersistentList
+import kotlinx.collections.immutable.toPersistentList
+
+internal object LoadingItemsProvider {
+
+    fun getLoadingMultiCurrencyTokens(): PersistentList<MultiCurrencyItem> {
+        return List(size = 5) { TokenItemState.Loading }
+            .map { MultiCurrencyItem.Token(it) }
+            .toPersistentList()
+    }
+}
--- a/features/wallet/impl/src/main/java/com/tangem/feature/wallet/presentation/wallet/utils/TokenErrorToWalletStateConverter.kt
+++ b/features/wallet/impl/src/main/java/com/tangem/feature/wallet/presentation/wallet/utils/TokenErrorToWalletStateConverter.kt
@ -0,0 +1,15 @@
+package com.tangem.feature.wallet.presentation.wallet.utils
+
+import com.tangem.domain.tokens.error.TokensError
+import com.tangem.feature.wallet.presentation.wallet.state.WalletStateHolder
+import com.tangem.utils.converter.Converter
+
+internal class TokenErrorToWalletStateConverter(
+    private val currentState: WalletStateHolder,
+) : Converter<TokensError, WalletStateHolder> {
+
+    // TODO: [REDACTED_JIRA]
+    override fun convert(value: TokensError): WalletStateHolder {
+        return currentState
+    }
+}
--- a/features/wallet/impl/src/main/java/com/tangem/feature/wallet/presentation/wallet/utils/TokenListToContentItemsConverter.kt
+++ b/features/wallet/impl/src/main/java/com/tangem/feature/wallet/presentation/wallet/utils/TokenListToContentItemsConverter.kt
@ -0,0 +1,63 @@
+package com.tangem.feature.wallet.presentation.wallet.utils
+
+import com.tangem.domain.tokens.model.NetworkGroup
+import com.tangem.domain.tokens.model.TokenList
+import com.tangem.domain.tokens.model.TokenStatus
+import com.tangem.feature.wallet.presentation.wallet.state.WalletContentItemState.MultiCurrencyItem
+import com.tangem.feature.wallet.presentation.wallet.utils.LoadingItemsProvider.getLoadingMultiCurrencyTokens
+import com.tangem.utils.converter.Converter
+import kotlinx.collections.immutable.ImmutableList
+import kotlinx.collections.immutable.PersistentList
+import kotlinx.collections.immutable.mutate
+import kotlinx.collections.immutable.persistentListOf
+
+internal class TokenListToContentItemsConverter(
+    isWalletContentHidden: Boolean,
+    fiatCurrencyCode: String,
+    fiatCurrencySymbol: String,
+) : Converter<TokenList, ImmutableList<MultiCurrencyItem>> {
+
+    private val tokenStatusConverter = TokenStatusToTokenItemConverter(
+        isWalletContentHidden,
+        fiatCurrencyCode,
+        fiatCurrencySymbol,
+    )
+
+    override fun convert(value: TokenList): ImmutableList<MultiCurrencyItem> {
+        return when (value) {
+            is TokenList.GroupedByNetwork -> value.mapToMultiCurrencyItems()
+            is TokenList.Ungrouped -> value.mapToMultiCurrencyItems()
+            is TokenList.NotInitialized -> getLoadingMultiCurrencyTokens()
+        }
+    }
+
+    private fun TokenList.GroupedByNetwork.mapToMultiCurrencyItems(): PersistentList<MultiCurrencyItem> {
+        return groups.fold(initial = persistentListOf()) { acc, group ->
+            acc.mutate { it.addGroup(group) }
+        }
+    }
+
+    private fun TokenList.Ungrouped.mapToMultiCurrencyItems(): PersistentList<MultiCurrencyItem> {
+        return tokens.fold(initial = persistentListOf()) { acc, token ->
+            acc.mutate { it.addToken(token) }
+        }
+    }
+
+    private fun MutableList<MultiCurrencyItem>.addGroup(group: NetworkGroup): List<MultiCurrencyItem> {
+        this.add(MultiCurrencyItem.NetworkGroupTitle(group.name))
+
+        group.tokens.forEach { token ->
+            this.addToken(token)
+        }
+
+        return this
+    }
+
+    private fun MutableList<MultiCurrencyItem>.addToken(token: TokenStatus): List<MultiCurrencyItem> {
+        val tokenItemState = tokenStatusConverter.convert(token)
+
+        this.add(MultiCurrencyItem.Token(tokenItemState))
+
+        return this
+    }
+}
--- a/features/wallet/impl/src/main/java/com/tangem/feature/wallet/presentation/wallet/utils/TokenListToWalletStateConverter.kt
+++ b/features/wallet/impl/src/main/java/com/tangem/feature/wallet/presentation/wallet/utils/TokenListToWalletStateConverter.kt
@ -0,0 +1,56 @@
+package com.tangem.feature.wallet.presentation.wallet.utils
+
+import com.tangem.domain.tokens.model.TokenList
+import com.tangem.feature.wallet.presentation.wallet.state.WalletStateHolder
+import com.tangem.feature.wallet.presentation.wallet.state.WalletStateHolder.MultiCurrencyContent
+import com.tangem.feature.wallet.presentation.wallet.state.WalletStateHolder.SingleCurrencyContent
+import com.tangem.feature.wallet.presentation.wallet.state.WalletsListConfig
+import com.tangem.utils.converter.Converter
+import kotlinx.collections.immutable.toPersistentList
+
+internal class TokenListToWalletStateConverter(
+    private val currentState: WalletStateHolder,
+    private val isWalletContentHidden: Boolean,
+    private val fiatCurrencyCode: String,
+    private val fiatCurrencySymbol: String,
+) : Converter<TokenList, WalletStateHolder> {
+
+    override fun convert(value: TokenList): WalletStateHolder {
+        return when (currentState) {
+            is MultiCurrencyContent -> currentState.updateWithTokenList(value)
+            is SingleCurrencyContent -> currentState.updateWithTokenList(value)
+        }
+    }
+
+    private fun MultiCurrencyContent.updateWithTokenList(tokenList: TokenList): MultiCurrencyContent {
+        val converter = TokenListToContentItemsConverter(isWalletContentHidden, fiatCurrencyCode, fiatCurrencySymbol)
+
+        return this.copy(
+            walletsListConfig = updateSelectedWallet(tokenList.totalFiatBalance),
+            contentItems = converter.convert(tokenList),
+        )
+    }
+
+    private fun SingleCurrencyContent.updateWithTokenList(tokenList: TokenList): SingleCurrencyContent {
+        return this.copy(
+            walletsListConfig = updateSelectedWallet(tokenList.totalFiatBalance),
+        )
+    }
+
+    private fun WalletStateHolder.updateSelectedWallet(fiatBalance: TokenList.FiatBalance): WalletsListConfig {
+        val selectedWalletIndex = walletsListConfig.selectedWalletIndex
+        val selectedWalletCard = walletsListConfig.wallets[selectedWalletIndex]
+        val converter = FiatBalanceToWalletCardConverter(
+            selectedWalletCard,
+            isWalletContentHidden,
+            fiatCurrencyCode,
+            fiatCurrencySymbol,
+        )
+
+        return walletsListConfig.copy(
+            wallets = walletsListConfig.wallets
+                .toPersistentList()
+                .set(selectedWalletIndex, converter.convert(fiatBalance)),
+        )
+    }
+}
--- a/features/wallet/impl/src/main/java/com/tangem/feature/wallet/presentation/wallet/utils/TokenStatusToTokenItemConverter.kt
+++ b/features/wallet/impl/src/main/java/com/tangem/feature/wallet/presentation/wallet/utils/TokenStatusToTokenItemConverter.kt
@ -0,0 +1,105 @@
+package com.tangem.feature.wallet.presentation.wallet.utils
+
+import androidx.annotation.DrawableRes
+import com.tangem.core.ui.components.marketprice.PriceChangeConfig
+import com.tangem.core.ui.utils.BigDecimalFormatter
+import com.tangem.domain.tokens.model.TokenStatus
+import com.tangem.feature.wallet.impl.R
+import com.tangem.feature.wallet.presentation.common.state.TokenItemState
+import com.tangem.utils.converter.Converter
+import java.math.BigDecimal
+
+internal class TokenStatusToTokenItemConverter(
+    private val isWalletContentHidden: Boolean,
+    private val fiatCurrencyCode: String,
+    private val fiatCurrencySymbol: String,
+) : Converter<TokenStatus, TokenItemState> {
+
+    private val TokenStatus.networkIconResId: Int?
+        @DrawableRes get() {
+            // TODO: [REDACTED_JIRA]
+            return if (isCoin) null else R.drawable.img_eth_22
+        }
+
+    private val TokenStatus.tokenIconResId: Int
+        @DrawableRes get() {
+            // TODO: [REDACTED_JIRA]
+            return R.drawable.img_eth_22
+        }
+
+    override fun convert(value: TokenStatus): TokenItemState {
+        return when (value.value) {
+            is TokenStatus.Loading -> TokenItemState.Loading
+            is TokenStatus.Loaded,
+            is TokenStatus.Custom,
+            -> value.mapToTokenItemState()
+            // TODO: Add other token item states, currently not designed
+            is TokenStatus.MissedDerivation,
+            is TokenStatus.NoAccount,
+            is TokenStatus.Unreachable,
+            -> value.mapToUnreachableTokenItemState()
+        }
+    }
+
+    private fun TokenStatus.mapToTokenItemState(): TokenItemState.Content {
+        return TokenItemState.Content(
+            id = this.id.value,
+            name = this.name,
+            tokenIconUrl = this.iconUrl,
+            tokenIconResId = this.tokenIconResId,
+            networkIconResId = this.networkIconResId,
+            amount = getFormattedAmount(),
+            hasPending = value.hasTransactionsInProgress,
+            tokenOptions = if (isWalletContentHidden) {
+                TokenItemState.TokenOptionsState.Hidden(getPriceChangeConfig())
+            } else {
+                TokenItemState.TokenOptionsState.Visible(
+                    fiatAmount = getFormattedFiatAmount(),
+                    priceChange = getPriceChangeConfig(),
+                )
+            },
+        )
+    }
+
+    private fun TokenStatus.getFormattedAmount(): String {
+        val amount = value.amount ?: return UNKNOWN_AMOUNT_SIGN
+
+        return BigDecimalFormatter.formatCryptoAmount(amount, symbol, decimals)
+    }
+
+    private fun TokenStatus.getFormattedFiatAmount(): String {
+        val fiatAmount = value.fiatAmount ?: return UNKNOWN_AMOUNT_SIGN
+
+        return BigDecimalFormatter.formatFiatAmount(fiatAmount, fiatCurrencyCode, fiatCurrencySymbol)
+    }
+
+    private fun TokenStatus.mapToUnreachableTokenItemState() = TokenItemState.Unreachable(
+        id = this.id.value,
+        name = this.name,
+        tokenIconUrl = this.iconUrl,
+        tokenIconResId = this.tokenIconResId,
+        networkIconResId = this.networkIconResId,
+    )
+
+    private fun TokenStatus.getPriceChangeConfig(): PriceChangeConfig {
+        val priceChange = value.priceChange
+            ?: return PriceChangeConfig(UNKNOWN_AMOUNT_SIGN, PriceChangeConfig.Type.DOWN)
+
+        return PriceChangeConfig(
+            valueInPercent = BigDecimalFormatter.formatPercent(priceChange, useAbsoluteValue = true),
+            type = priceChange.getPriceChangeType(),
+        )
+    }
+
+    private fun BigDecimal?.getPriceChangeType(): PriceChangeConfig.Type {
+        return when {
+            this == null -> PriceChangeConfig.Type.DOWN
+            this < BigDecimal.ZERO -> PriceChangeConfig.Type.DOWN
+            else -> PriceChangeConfig.Type.UP
+        }
+    }
+
+    private companion object {
+        const val UNKNOWN_AMOUNT_SIGN = "—"
+    }
+}
--- a/features/wallet/impl/src/main/java/com/tangem/feature/wallet/presentation/wallet/viewmodels/WalletViewModel.kt
+++ b/features/wallet/impl/src/main/java/com/tangem/feature/wallet/presentation/wallet/viewmodels/WalletViewModel.kt
@ -6,16 +6,26 @@ import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.setValue
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
+import arrow.core.Either
 import com.tangem.common.doOnFailure
 import com.tangem.common.doOnSuccess
 import com.tangem.domain.card.ScanCardProcessor
 import com.tangem.domain.tokens.GetTokenListUseCase
+import com.tangem.domain.tokens.error.TokensError
+import com.tangem.domain.tokens.model.TokenList
+import com.tangem.domain.wallets.models.UserWalletId
 import com.tangem.feature.wallet.presentation.common.WalletPreviewData
 import com.tangem.feature.wallet.presentation.router.InnerWalletRouter
 import com.tangem.feature.wallet.presentation.wallet.state.WalletStateHolder
 import com.tangem.feature.wallet.presentation.wallet.state.WalletTopBarConfig
+import com.tangem.feature.wallet.presentation.wallet.utils.LoadingItemsProvider.getLoadingMultiCurrencyTokens
+import com.tangem.feature.wallet.presentation.wallet.utils.TokenErrorToWalletStateConverter
+import com.tangem.feature.wallet.presentation.wallet.utils.TokenListToWalletStateConverter
 import com.tangem.utils.coroutines.CoroutineDispatcherProvider
 import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.flow.*
 import kotlinx.coroutines.launch
 import javax.inject.Inject
 import kotlin.properties.Delegates
@ -27,7 +37,6 @@ import kotlin.properties.Delegates
 */
@HiltViewModel
 internal class WalletViewModel @Inject constructor(
-    @Suppress("unused") // TODO: [REDACTED_JIRA]
    private val getTokenListUseCase: GetTokenListUseCase,
    private val scanCardProcessor: ScanCardProcessor,
    private val dispatchers: CoroutineDispatcherProvider,
@ -40,14 +49,29 @@ internal class WalletViewModel @Inject constructor(
    var uiState by mutableStateOf(getInitialState())
        private set

+    private var getTokenListJob: Job? = null
+        set(value) {
+            field?.cancel()
+            field = value
+        }
+
    // TODO: [REDACTED_TASK_KEY] Use production data instead of WalletPreviewData
-    private fun getInitialState(): WalletStateHolder = WalletPreviewData.multicurrencyWalletScreenState.copy(
-        onBackClick = ::onBackClick,
-        topBarConfig = createTopBarConfig(),
-        walletsListConfig = WalletPreviewData.multicurrencyWalletScreenState.walletsListConfig.copy(
-            onWalletChange = ::selectWallet,
-        ),
-    )
+    private fun getInitialState(): WalletStateHolder {
+        val state = WalletPreviewData.multicurrencyWalletScreenState.copy(
+            onBackClick = ::onBackClick,
+            topBarConfig = createTopBarConfig(),
+            walletsListConfig = WalletPreviewData.multicurrencyWalletScreenState.walletsListConfig.copy(
+                onWalletChange = ::selectWallet,
+            ),
+            contentItems = getLoadingMultiCurrencyTokens(),
+        )
+
+        val selectedWalletIndex = state.walletsListConfig.selectedWalletIndex
+        val selectedWalletId = WalletPreviewData.wallets.keys.elementAt(selectedWalletIndex)
+        launchGetTokenListJob(selectedWalletId)
+
+        return state
+    }

    private fun onBackClick() {
        router.popBackStack()
@ -74,14 +98,45 @@ internal class WalletViewModel @Inject constructor(

        Log.i("WalletViewModel", "selectWallet: $index")

-        uiState = if (index % 2 == 0) {
-            WalletPreviewData.multicurrencyWalletScreenState.copy(
+        uiState = when (val state = uiState) {
+            is WalletStateHolder.MultiCurrencyContent -> state.copy(
                walletsListConfig = uiState.walletsListConfig.copy(selectedWalletIndex = index),
            )
-        } else {
-            WalletPreviewData.singleWalletScreenState.copy(
+            is WalletStateHolder.SingleCurrencyContent -> state.copy(
                walletsListConfig = uiState.walletsListConfig.copy(selectedWalletIndex = index),
            )
        }
+
+        val selectedWalletId = WalletPreviewData.wallets.keys.elementAt(index)
+        launchGetTokenListJob(selectedWalletId)
+    }
+
+    private fun launchGetTokenListJob(userWalletId: UserWalletId) {
+        getTokenListJob = getTokenListUseCase(userWalletId)
+            .distinctUntilChanged()
+            .mapLatest(::updateStateWithTokenListOrError)
+            .onEach { uiState = it }
+            .flowOn(Dispatchers.Default)
+            .launchIn(viewModelScope)
+    }
+
+    private fun updateStateWithTokenListOrError(tokenList: Either<TokensError, TokenList>): WalletStateHolder {
+        val updateStateWithError = { error: TokensError ->
+            val converter = TokenErrorToWalletStateConverter(uiState)
+
+            converter.convert(error)
+        }
+        val updateState = { list: TokenList ->
+            val converter = TokenListToWalletStateConverter(
+                uiState,
+                isWalletContentHidden = false, // TODO: [REDACTED_JIRA]
+                fiatCurrencyCode = "USD", // TODO: [REDACTED_JIRA]
+                fiatCurrencySymbol = "$", // TODO: [REDACTED_JIRA]
+            )
+
+            converter.convert(list)
+        }
+
+        return tokenList.fold(ifLeft = updateStateWithError, ifRight = updateState)
    }
 }