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Updated on 2026-08-14

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Tangem 2024-08-30 18:42:55 +04:00
commit 91d8932543
7 changed files with 117 additions and 2 deletions
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18
app/src/main/java/com/tangem/tap/di/domain/ManageTokensDomainModule.kt
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@ -1,8 +1,6 @@
package com.tangem.tap.di.domain
import com.tangem.domain.card.repository.DerivationsRepository
import com.tangem.domain.managetokens.SaveManagedTokensUseCase
import com.tangem.domain.managetokens.GetManagedTokensUseCase
import com.tangem.domain.managetokens.*
import com.tangem.domain.managetokens.repository.CustomTokensRepository
import com.tangem.domain.managetokens.repository.ManageTokensRepository
@ -67,4 +65,20 @@ internal object ManageTokensDomainModule {
derivationsRepository = derivationsRepository,
)
}
@Provides
@Singleton
fun provideGetSupportedNetworksUseCase(
customTokensRepository: CustomTokensRepository,
): GetSupportedNetworksUseCase {
return GetSupportedNetworksUseCase(customTokensRepository)
}
@Provides
@Singleton
fun provideValidateDerivationPathUseCase(
customTokensRepository: CustomTokensRepository,
): ValidateDerivationPathUseCase {
return ValidateDerivationPathUseCase(customTokensRepository)
}
}

30
data/manage-tokens/src/main/kotlin/com/tangem/data/managetokens/DefaultCustomTokensRepository.kt
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@ -2,6 +2,7 @@ package com.tangem.data.managetokens
import com.tangem.blockchain.common.Blockchain
import com.tangem.blockchainsdk.utils.toNetworkId
import com.tangem.crypto.hdWallet.DerivationPath
import com.tangem.data.common.api.safeApiCall
import com.tangem.data.common.currency.CryptoCurrencyFactory
import com.tangem.data.common.currency.UserTokensResponseFactory
@ -16,8 +17,10 @@ import com.tangem.datasource.local.preferences.PreferencesKeys
import com.tangem.datasource.local.preferences.utils.getObjectSyncOrNull
import com.tangem.datasource.local.preferences.utils.storeObject
import com.tangem.datasource.local.userwallet.UserWalletsStore
import com.tangem.domain.common.extensions.canHandleBlockchain
import com.tangem.domain.common.extensions.supportedBlockchains
import com.tangem.domain.common.util.cardTypesResolver
import com.tangem.domain.common.util.derivationStyleProvider
import com.tangem.domain.managetokens.model.AddCustomTokenForm
import com.tangem.domain.managetokens.model.ManagedCryptoCurrency
import com.tangem.domain.managetokens.repository.CustomTokensRepository
@ -178,6 +181,33 @@ internal class DefaultCustomTokensRepository(
}
}
override suspend fun getSupportedNetworks(userWalletId: UserWalletId): List<Network> = withContext(dispatchers.io) {
val userWallet = userWalletsStore.getSyncOrNull(userWalletId)
?: error("User wallet not found")
val scanResponse = userWallet.scanResponse
Blockchain.entries
.mapNotNull { blockchain ->
if (scanResponse.card.canHandleBlockchain(blockchain, scanResponse.cardTypesResolver)) {
getNetwork(
blockchain = blockchain,
extraDerivationPath = null,
derivationStyleProvider = scanResponse.derivationStyleProvider,
)
} else {
null
}
}
}
override fun createDerivationPath(rawPath: String): Network.DerivationPath {
val sdkPath = DerivationPath(rawPath)
return Network.DerivationPath.Custom(
value = sdkPath.rawPath,
)
}
private suspend fun storeAndPushTokens(userWalletId: UserWalletId, response: UserTokensResponse) {
val compatibleUserTokensResponse = userTokensBackwardCompatibility.applyCompatibilityAndGetUpdated(response)
appPreferencesStore.storeObject(

27
domain/manage-tokens/src/main/kotlin/com/tangem/domain/managetokens/GetSupportedNetworksUseCase.kt Normal file
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@ -0,0 +1,27 @@
package com.tangem.domain.managetokens
import arrow.core.Either
import arrow.core.raise.catch
import arrow.core.raise.either
import arrow.core.raise.ensureNotNull
import com.tangem.domain.managetokens.model.exceptoin.SupportedBlockchainException
import com.tangem.domain.managetokens.repository.CustomTokensRepository
import com.tangem.domain.tokens.model.Network
import com.tangem.domain.wallets.models.UserWalletId
class GetSupportedNetworksUseCase(
private val repository: CustomTokensRepository,
) {
suspend operator fun invoke(userWalletId: UserWalletId): Either<SupportedBlockchainException, List<Network>> {
return either {
val networks = catch({ repository.getSupportedNetworks(userWalletId) }) {
raise(SupportedBlockchainException.DataError(it))
}
ensureNotNull(networks.takeIf { it.isNotEmpty() }) {
SupportedBlockchainException.EmptyList
}
}
}
}

24
domain/manage-tokens/src/main/kotlin/com/tangem/domain/managetokens/ValidateDerivationPathUseCase.kt Normal file
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@ -0,0 +1,24 @@
package com.tangem.domain.managetokens
import arrow.core.Either
import arrow.core.raise.catch
import arrow.core.raise.either
import arrow.core.raise.ensure
import com.tangem.domain.managetokens.model.exceptoin.DerivationPathValidationException
import com.tangem.domain.managetokens.repository.CustomTokensRepository
import com.tangem.domain.tokens.model.Network
class ValidateDerivationPathUseCase(
private val repository: CustomTokensRepository,
) {
operator fun invoke(rawValue: String): Either<DerivationPathValidationException, Network.DerivationPath> {
return either {
ensure(rawValue.isNotEmpty()) { DerivationPathValidationException.Empty }
catch({ repository.createDerivationPath(rawValue) }) {
raise(DerivationPathValidationException.Invalid)
}
}
}
}

8
domain/manage-tokens/src/main/kotlin/com/tangem/domain/managetokens/model/exceptoin/DerivationPathValidationException.kt Normal file
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@ -0,0 +1,8 @@
package com.tangem.domain.managetokens.model.exceptoin
sealed class DerivationPathValidationException {
data object Empty : DerivationPathValidationException()
data object Invalid : DerivationPathValidationException()
}

8
domain/manage-tokens/src/main/kotlin/com/tangem/domain/managetokens/model/exceptoin/SupportedBlockchainException.kt Normal file
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@ -0,0 +1,8 @@
package com.tangem.domain.managetokens.model.exceptoin
sealed class SupportedBlockchainException {
data object EmptyList : SupportedBlockchainException()
data class DataError(val cause: Throwable) : SupportedBlockchainException()
}

4
domain/manage-tokens/src/main/kotlin/com/tangem/domain/managetokens/repository/CustomTokensRepository.kt
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@ -33,4 +33,8 @@ interface CustomTokensRepository {
): CryptoCurrency.Token
suspend fun removeCurrency(userWalletId: UserWalletId, currency: ManagedCryptoCurrency.Custom)
suspend fun getSupportedNetworks(userWalletId: UserWalletId): List<Network>
fun createDerivationPath(rawPath: String): Network.DerivationPath
}