Updated on 2026-08-14
This commit is contained in:
Tangem
parent
c7941ee1f7
commit
2b327fd3e9
32 changed files with 853 additions and 0 deletions
1
data/earn/.gitignore
vendored
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1
data/earn/.gitignore
vendored
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/build
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44
data/earn/build.gradle.kts
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44
data/earn/build.gradle.kts
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plugins {
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alias(deps.plugins.android.library)
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alias(deps.plugins.kotlin.android)
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alias(deps.plugins.kotlin.kapt)
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id("configuration")
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}
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android {
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namespace = "com.tangem.data.earn"
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}
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dependencies {
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// region Project - Core
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implementation(projects.core.datasource)
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api(projects.core.utils)
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// endregion
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// region Project - Data
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implementation(projects.data.common)
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// endregion
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// region Project - Domain
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implementation(projects.domain.earn)
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implementation(projects.domain.common)
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implementation(projects.domain.account.status)
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// endregion
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// region Project - Libs
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implementation(projects.libs.blockchainSdk)
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// endregion
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// region DI
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implementation(deps.hilt.android)
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kapt(deps.hilt.kapt)
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// endregion
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// region Other libraries
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implementation(deps.androidx.datastore)
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implementation(deps.moshi.kotlin)
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implementation(deps.timber)
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implementation(tangemDeps.blockchain)
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// endregion
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}
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package com.tangem.data.earn
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import com.tangem.datasource.api.common.response.ApiResponseError
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import com.tangem.domain.earn.EarnErrorResolver
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import com.tangem.domain.models.earn.EarnError
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internal class DefaultEarnErrorResolver : EarnErrorResolver {
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override fun resolve(throwable: Throwable?): EarnError {
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return when (throwable) {
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is ApiResponseError.HttpException -> {
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EarnError.HttpError(
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code = throwable.code.numericCode,
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message = throwable.message.orEmpty(),
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)
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}
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else -> EarnError.NotHttpError
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}
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}
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}
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package com.tangem.data.earn.converter
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import com.tangem.datasource.api.tangemTech.models.EarnResponse
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import com.tangem.domain.models.earn.EarnToken
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import com.tangem.utils.converter.Converter
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internal object EarnTokenConverter : Converter<EarnResponse, EarnToken> {
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override fun convert(value: EarnResponse): EarnToken {
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return EarnToken(
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apy = value.apy,
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networkId = value.networkId,
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rewardType = value.rewardType,
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type = value.type,
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tokenId = value.token.id,
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tokenSymbol = value.token.symbol,
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tokenName = value.token.name,
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tokenAddress = value.token.address,
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)
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}
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}
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package com.tangem.data.earn.datastore
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import arrow.core.Either
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import com.tangem.datasource.local.datastore.RuntimeStateStore
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import com.tangem.domain.models.earn.EarnNetworks
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import javax.inject.Inject
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import javax.inject.Singleton
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@Singleton
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class EarnNetworksStore @Inject constructor() :
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RuntimeStateStore<EarnNetworks> by RuntimeStateStore(
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defaultValue = Either.Right(emptyList()),
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)
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package com.tangem.data.earn.datastore
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import arrow.core.Either
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import com.tangem.datasource.local.datastore.RuntimeStateStore
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import com.tangem.domain.models.earn.EarnTopToken
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import javax.inject.Inject
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import javax.inject.Singleton
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@Singleton
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class EarnTopTokensStore @Inject constructor() :
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RuntimeStateStore<EarnTopToken> by RuntimeStateStore(
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defaultValue = Either.Right(emptyList()),
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)
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package com.tangem.data.earn.di
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import com.tangem.data.common.currency.CryptoCurrencyFactory
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import com.tangem.data.earn.DefaultEarnErrorResolver
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import com.tangem.data.earn.repository.DefaultEarnRepository
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import com.tangem.datasource.api.tangemTech.TangemTechApi
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import com.tangem.data.earn.datastore.EarnNetworksStore
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import com.tangem.data.earn.datastore.EarnTopTokensStore
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import com.tangem.domain.common.wallets.UserWalletsListRepository
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import com.tangem.domain.earn.EarnErrorResolver
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import com.tangem.domain.earn.repository.EarnRepository
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import com.tangem.utils.coroutines.CoroutineDispatcherProvider
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import dagger.Module
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import dagger.Provides
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import dagger.hilt.InstallIn
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import dagger.hilt.components.SingletonComponent
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import javax.inject.Singleton
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@Module
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@InstallIn(SingletonComponent::class)
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internal object EarnDataModule {
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@Provides
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fun provideEarnErrorResolver(): EarnErrorResolver = DefaultEarnErrorResolver()
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@Provides
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@Singleton
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fun provideEarnRepository(
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tangemTechApi: TangemTechApi,
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dispatchers: CoroutineDispatcherProvider,
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userWalletsListRepository: UserWalletsListRepository,
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cryptoCurrencyFactory: CryptoCurrencyFactory,
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earnNetworksStore: EarnNetworksStore,
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earnTopTokensStore: EarnTopTokensStore,
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earnErrorResolver: EarnErrorResolver,
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): EarnRepository {
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return DefaultEarnRepository(
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tangemTechApi = tangemTechApi,
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dispatchers = dispatchers,
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userWalletsListRepository = userWalletsListRepository,
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cryptoCurrencyFactory = cryptoCurrencyFactory,
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earnNetworksStore = earnNetworksStore,
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earnTopTokensStore = earnTopTokensStore,
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earnErrorResolver = earnErrorResolver,
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)
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}
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}
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package com.tangem.data.earn.repository
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import arrow.core.Either
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import com.tangem.blockchain.common.Blockchain
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import com.tangem.blockchainsdk.utils.fromNetworkId
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import com.tangem.data.common.currency.CryptoCurrencyFactory
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import com.tangem.data.earn.converter.EarnTokenConverter
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import com.tangem.data.earn.datastore.EarnNetworksStore
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import com.tangem.data.earn.datastore.EarnTopTokensStore
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import com.tangem.data.earn.repository.batch.EarnTokensBatchFetcher
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import com.tangem.datasource.api.common.response.getOrThrow
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import com.tangem.datasource.api.tangemTech.TangemTechApi
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import com.tangem.datasource.api.tangemTech.models.EarnResponse
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import com.tangem.domain.common.wallets.UserWalletsListRepository
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import com.tangem.domain.earn.EarnErrorResolver
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import com.tangem.domain.earn.model.EarnTokensBatchFlow
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import com.tangem.domain.earn.model.EarnTokensBatchingContext
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import com.tangem.domain.earn.repository.EarnRepository
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import com.tangem.domain.models.account.DerivationIndex
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import com.tangem.domain.models.currency.CryptoCurrency
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import com.tangem.domain.models.earn.EarnNetwork
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import com.tangem.domain.models.earn.EarnNetworks
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import com.tangem.domain.models.earn.EarnTokenWithCurrency
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import com.tangem.domain.models.earn.EarnTopToken
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import com.tangem.domain.models.wallet.UserWallet
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import com.tangem.domain.models.wallet.isLocked
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import com.tangem.pagination.BatchListSource
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import com.tangem.pagination.toBatchFlow
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import com.tangem.utils.coroutines.CoroutineDispatcherProvider
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import com.tangem.utils.coroutines.runCatching
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import kotlinx.coroutines.flow.Flow
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@Suppress("LongParameterList")
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internal class DefaultEarnRepository(
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private val tangemTechApi: TangemTechApi,
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private val dispatchers: CoroutineDispatcherProvider,
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private val userWalletsListRepository: UserWalletsListRepository,
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private val cryptoCurrencyFactory: CryptoCurrencyFactory,
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private val earnNetworksStore: EarnNetworksStore,
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private val earnTopTokensStore: EarnTopTokensStore,
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private val earnErrorResolver: EarnErrorResolver,
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) : EarnRepository {
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override fun getEarnTokensBatchFlow(context: EarnTokensBatchingContext, batchSize: Int): EarnTokensBatchFlow {
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val batchFetcher = EarnTokensBatchFetcher(
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tangemTechApi = tangemTechApi,
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batchSize = batchSize,
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userWalletsListRepository = userWalletsListRepository,
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cryptoCurrencyFactory = cryptoCurrencyFactory,
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)
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return BatchListSource(
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fetchDispatcher = dispatchers.io,
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context = context,
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generateNewKey = { keys -> keys.lastOrNull()?.inc() ?: INITIAL_BATCH_KEY },
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batchFetcher = batchFetcher,
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).toBatchFlow()
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}
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override suspend fun fetchEarnNetworks(type: String) {
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runCatching(dispatchers.io) {
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val response = tangemTechApi.getEarnNetworks(type = type).getOrThrow()
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val items = response.items.map { dto ->
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EarnNetwork(
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networkId = dto.networkId,
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isAdded = false,
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)
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}
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earnNetworksStore.store(Either.Right(items))
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}.onFailure { error ->
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val earnError = earnErrorResolver.resolve(error)
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earnNetworksStore.store(Either.Left(earnError))
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}
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}
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override fun observeEarnNetworks(): Flow<EarnNetworks> {
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return earnNetworksStore.get()
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}
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override suspend fun fetchTopEarnTokens(limit: Int) {
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runCatching(dispatchers.io) {
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val response = tangemTechApi.getEarnTokens(
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isForEarn = true,
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limit = limit,
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).getOrThrow()
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val userWallet = userWalletsListRepository
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.selectedUserWallet
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.value
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.takeIf { wallet -> wallet?.isLocked?.not() == true }
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?: return@runCatching
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val items = response.items.mapNotNull { dto ->
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val earnToken = EarnTokenConverter.convert(dto)
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createCryptoCurrencyForEarnToken(
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cryptoCurrencyFactory = cryptoCurrencyFactory,
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userWallet = userWallet,
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earnToken = dto,
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)?.let { cryptoCurrency ->
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EarnTokenWithCurrency(
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earnToken = earnToken,
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cryptoCurrency = cryptoCurrency,
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)
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}
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}
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earnTopTokensStore.store(Either.Right(items))
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}.onFailure { error ->
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val earnError = earnErrorResolver.resolve(error)
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earnTopTokensStore.store(Either.Left(earnError))
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}
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}
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override fun observeTopEarnTokens(): Flow<EarnTopToken> {
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return earnTopTokensStore.get()
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}
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companion object {
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internal const val FIRST_PAGE = 1
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private const val INITIAL_BATCH_KEY = 0
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}
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}
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/*
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use this CryptoCurrency only for creating cryptoCurrencyIcon!! because accountIndex = DerivationIndex.Main and it
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doesn't provide real all data.
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*/
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internal fun createCryptoCurrencyForEarnToken(
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userWallet: UserWallet,
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earnToken: EarnResponse,
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cryptoCurrencyFactory: CryptoCurrencyFactory,
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): CryptoCurrency? {
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val blockchain = Blockchain.fromNetworkId(earnToken.networkId) ?: Blockchain.Unknown
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return if (earnToken.token.address.isEmpty()) {
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cryptoCurrencyFactory.createCoin(
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blockchain = blockchain,
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extraDerivationPath = null,
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userWallet = userWallet,
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accountIndex = DerivationIndex.Main,
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)
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} else {
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val network = cryptoCurrencyFactory.networkFactory.create(
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blockchain = blockchain,
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extraDerivationPath = null,
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userWallet = userWallet,
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accountIndex = DerivationIndex.Main,
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) ?: return null
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cryptoCurrencyFactory.createToken(
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network = network,
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rawId = CryptoCurrency.RawID(earnToken.token.id),
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name = earnToken.token.name,
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symbol = earnToken.token.symbol,
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decimals = blockchain.decimals(),
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contractAddress = earnToken.token.address,
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)
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}
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}
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@ -0,0 +1,139 @@
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package com.tangem.data.earn.repository.batch
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import com.tangem.data.common.currency.CryptoCurrencyFactory
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import com.tangem.data.earn.converter.EarnTokenConverter
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import com.tangem.data.earn.repository.DefaultEarnRepository.Companion.FIRST_PAGE
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import com.tangem.data.earn.repository.createCryptoCurrencyForEarnToken
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import com.tangem.datasource.api.common.response.getOrThrow
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import com.tangem.datasource.api.tangemTech.TangemTechApi
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import com.tangem.datasource.api.tangemTech.models.EarnResponse
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import com.tangem.domain.common.wallets.UserWalletsListRepository
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import com.tangem.domain.earn.model.EarnTokensListConfig
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import com.tangem.domain.models.earn.EarnTokenWithCurrency
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import com.tangem.domain.models.wallet.UserWallet
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import com.tangem.pagination.BatchFetchResult
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import com.tangem.pagination.exception.EndOfPaginationException
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import com.tangem.pagination.fetcher.BatchFetcher
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import com.tangem.utils.coroutines.runSuspendCatching
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import kotlinx.coroutines.flow.MutableStateFlow
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internal class EarnTokensBatchFetcher(
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private val tangemTechApi: TangemTechApi,
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private val batchSize: Int,
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private val userWalletsListRepository: UserWalletsListRepository,
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private val cryptoCurrencyFactory: CryptoCurrencyFactory,
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) : BatchFetcher<EarnTokensListConfig, List<EarnTokenWithCurrency>> {
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private val state: MutableStateFlow<EarnTokensPaginationState?> = MutableStateFlow(null)
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override suspend fun fetchFirst(
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requestParams: EarnTokensListConfig,
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): BatchFetchResult<List<EarnTokenWithCurrency>> {
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return runSuspendCatching {
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loadPage(
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page = FIRST_PAGE,
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params = requestParams,
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limit = batchSize,
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)
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}.fold(
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onSuccess = { result ->
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state.value = result.state
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result.batchResult
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},
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onFailure = { throwable -> BatchFetchResult.Error(throwable) },
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)
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}
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override suspend fun fetchNext(
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overrideRequestParams: EarnTokensListConfig?,
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lastResult: BatchFetchResult<List<EarnTokenWithCurrency>>,
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): BatchFetchResult<List<EarnTokenWithCurrency>> {
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val currentState = state.value ?: return BatchFetchResult.Error(
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IllegalStateException("fetchFirst must be called"),
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)
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if (lastResult is BatchFetchResult.Success && lastResult.last && overrideRequestParams == null) {
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return BatchFetchResult.Error(EndOfPaginationException())
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}
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val params = overrideRequestParams ?: currentState.params
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val shouldReset = overrideRequestParams != null && overrideRequestParams != currentState.params
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val pageToLoad = if (shouldReset) FIRST_PAGE else currentState.nextPage
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return runSuspendCatching {
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loadPage(
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page = pageToLoad,
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params = params,
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limit = batchSize,
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)
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}.fold(
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onSuccess = { result ->
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state.value = result.state
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result.batchResult
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},
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onFailure = { throwable -> BatchFetchResult.Error(throwable) },
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)
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}
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private suspend fun loadPage(page: Int, params: EarnTokensListConfig, limit: Int): PageLoadResult {
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fun createEarnTokenWithCurrency(userWallet: UserWallet, dto: EarnResponse): EarnTokenWithCurrency? {
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val earnToken = EarnTokenConverter.convert(dto)
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val cryptoCurrency = createCryptoCurrencyForEarnToken(
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cryptoCurrencyFactory = cryptoCurrencyFactory,
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userWallet = userWallet,
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earnToken = dto,
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)
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return cryptoCurrency?.let {
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EarnTokenWithCurrency(
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earnToken = earnToken,
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cryptoCurrency = cryptoCurrency,
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)
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}
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}
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val response = tangemTechApi.getEarnTokens(
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isForEarn = params.isForEarn,
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page = page.toString(),
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limit = limit,
|
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type = params.type,
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network = params.network,
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).getOrThrow()
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|
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val userWallet = userWalletsListRepository.selectedUserWallet.value
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|
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val items = if (userWallet == null) {
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emptyList()
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} else {
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response.items.mapNotNull { dto ->
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createEarnTokenWithCurrency(userWallet, dto)
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}
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}
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val isLast = items.size < limit
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val batchResult = BatchFetchResult.Success(
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data = items,
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empty = items.isEmpty(),
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last = isLast,
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)
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return PageLoadResult(
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batchResult = batchResult,
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state = EarnTokensPaginationState(
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nextPage = response.meta.page + 1,
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params = params,
|
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),
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||||
)
|
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}
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|
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private data class PageLoadResult(
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val batchResult: BatchFetchResult.Success<List<EarnTokenWithCurrency>>,
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val state: EarnTokensPaginationState,
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)
|
||||
|
||||
private data class EarnTokensPaginationState(
|
||||
val nextPage: Int,
|
||||
val params: EarnTokensListConfig,
|
||||
)
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue