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Updated on 2026-08-14

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Tangem 2024-06-05 17:23:23 +02:00
parent 27a864a0a9
commit 0e29df4ce9
45 changed files with 731 additions and 137 deletions
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10
domain/staking/src/main/java/com/tangem/domain/staking/FetchStakingTokensUseCase.kt
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@ -1,6 +1,9 @@
package com.tangem.domain.staking
import arrow.core.Either
import arrow.core.raise.catch
import arrow.core.raise.either
import com.tangem.domain.staking.error.StakingTokensError
import com.tangem.domain.staking.repositories.StakingRepository
/**
@ -10,6 +13,11 @@ class FetchStakingTokensUseCase(
private val stakingRepository: StakingRepository,
) {
suspend operator fun invoke(): Either<Throwable, Unit> {
return Either.catch { stakingRepository.fetchEnabledTokens() }
return either {
catch(
block = { stakingRepository.fetchEnabledYields() },
catch = { StakingTokensError.DataError(it) },
)
}
}
}

7
domain/staking/src/main/java/com/tangem/domain/staking/GetStakingAvailabilityUseCase.kt
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@ -2,15 +2,16 @@ package com.tangem.domain.staking
import com.tangem.domain.staking.model.StakingAvailability
import com.tangem.domain.staking.repositories.StakingRepository
import com.tangem.domain.tokens.model.CryptoCurrency
/**
* Use case for getting info about staking availability for certain blockchain.
* Use case for getting info about staking capability in tangem app.
*/
class GetStakingAvailabilityUseCase(
private val stakingRepository: StakingRepository,
) {
operator fun invoke(blockchainNetworkId: String): StakingAvailability {
return stakingRepository.getStakingAvailability(blockchainNetworkId)
suspend operator fun invoke(cryptoCurrencyId: CryptoCurrency.ID, symbol: String): StakingAvailability {
return stakingRepository.getStakingAvailabilityForActions(cryptoCurrencyId, symbol)
}
}

6
domain/staking/src/main/java/com/tangem/domain/staking/error/StakingTokensError.kt Normal file
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@ -0,0 +1,6 @@
package com.tangem.domain.staking.error
sealed class StakingTokensError {
data class DataError(val cause: Throwable) : StakingTokensError()
}

2
domain/staking/src/main/java/com/tangem/domain/staking/model/StakingAvailability.kt
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@ -5,4 +5,6 @@ sealed class StakingAvailability {
data class Available(val integrationId: String) : StakingAvailability()
data object Unavailable : StakingAvailability()
data object TemporaryDisabled : StakingAvailability()
}

172
domain/staking/src/main/java/com/tangem/domain/staking/model/Yield.kt Normal file
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@ -0,0 +1,172 @@
package com.tangem.domain.staking.model
import java.math.BigDecimal
data class Yield(
val id: String,
val token: Token,
val tokens: List<Token>,
val args: Args,
val status: Status,
val apy: BigDecimal,
val rewardRate: Double,
val rewardType: RewardType,
val metadata: Metadata,
val validators: List<Validator>,
val isAvailable: Boolean,
) {
data class Status(
val enter: Boolean,
val exit: Boolean?,
)
data class Args(
val enter: Enter,
val exit: Enter?,
) {
data class Enter(
val addresses: Addresses,
val args: Map<String, AddressArgument>,
) {
data class Addresses(
val address: AddressArgument,
val additionalAddresses: Map<String, AddressArgument>? = null,
)
}
}
data class Validator(
val address: String,
val status: String,
val name: String,
val image: String?,
val website: String?,
val apr: Double?,
val commission: Double?,
val stakedBalance: String?,
val votingPower: Double?,
val preferred: Boolean,
)
data class Metadata(
val name: String,
val logoUri: String,
val description: String,
val documentation: String?,
val gasFeeToken: Token,
val token: Token,
val tokens: List<Token>,
val type: String,
val rewardSchedule: String,
val cooldownPeriod: Period,
val warmupPeriod: Period,
val rewardClaiming: String,
val defaultValidator: String?,
val minimumStake: Int?,
val supportsMultipleValidators: Boolean,
val revshare: Enabled,
val fee: Enabled,
) {
data class Period(
val days: Int,
)
data class Enabled(
val enabled: Boolean,
)
}
enum class RewardType {
APY, // compound rate
APR, // simple rate
UNKNOWN,
}
}
data class Token(
val name: String,
val network: NetworkType,
val symbol: String,
val decimals: Int,
val address: String?,
val coinGeckoId: String?,
val logoURI: String?,
val isPoints: Boolean?,
) {
enum class NetworkType {
AVALANCHE_C,
AVALANCHE_ATOMIC,
AVALANCHE_P,
ARBITRUM,
BINANCE,
CELO,
ETHEREUM,
ETHEREUM_GOERLI,
ETHEREUM_HOLESKY,
FANTOM,
HARMONY,
OPTIMISM,
POLYGON,
GNOSIS,
MOONRIVER,
OKC,
ZKSYNC,
VICTION,
AGORIC,
AKASH,
AXELAR,
BAND_PROTOCOL,
BITSONG,
CANTO,
CHIHUAHUA,
COMDEX,
COREUM,
COSMOS,
CRESCENT,
CRONOS,
CUDOS,
DESMOS,
DYDX,
EVMOS,
FETCH_AI,
GRAVITY_BRIDGE,
INJECTIVE,
IRISNET,
JUNO,
KAVA,
KI_NETWORK,
MARS_PROTOCOL,
NYM,
OKEX_CHAIN,
ONOMY,
OSMOSIS,
PERSISTENCE,
QUICKSILVER,
REGEN,
SECRET,
SENTINEL,
SOMMELIER,
STAFI,
STARGAZE,
STRIDE,
TERITORI,
TGRADE,
UMEE,
POLKADOT,
KUSAMA,
WESTEND,
BINANCEBEACON,
NEAR,
SOLANA,
TEZOS,
TRON,
UNKNOWN,
}
}
data class AddressArgument(
val required: Boolean,
val network: String? = null,
val minimum: Double? = null,
val maximum: Double? = null,
)

10
domain/staking/src/main/java/com/tangem/domain/staking/repositories/StakingRepository.kt
View file

@ -2,12 +2,18 @@ package com.tangem.domain.staking.repositories
import com.tangem.domain.staking.model.StakingAvailability
import com.tangem.domain.staking.model.StakingEntryInfo
import com.tangem.domain.tokens.model.CryptoCurrency
interface StakingRepository {
fun getStakingAvailability(blockchainId: String): StakingAvailability
suspend fun getStakingAvailabilityForActions(
cryptoCurrencyId: CryptoCurrency.ID,
symbol: String,
): StakingAvailability
suspend fun getEntryInfo(integrationId: String): StakingEntryInfo
suspend fun fetchEnabledTokens()
suspend fun fetchEnabledYields()
fun isStakingSupported(currencyId: String): Boolean
}