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Updated on 2026-08-14

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Tangem 2024-08-12 22:01:26 +05:00
parent f748b8539d
commit f1238f5ef8
20 changed files with 528 additions and 88 deletions
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43
data/staking/src/main/java/com/tangem/data/staking/DefaultStakingRepository.kt
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@ -3,7 +3,11 @@ package com.tangem.data.staking
import android.util.Base64
import arrow.core.raise.catch
import com.tangem.blockchain.common.Blockchain
import com.tangem.blockchain.common.TransactionData
import com.tangem.blockchain.common.TransactionStatus
import com.tangem.blockchain.common.transaction.Fee
import com.tangem.blockchainsdk.utils.toCoinId
import com.tangem.common.extensions.hexToBytes
import com.tangem.common.extensions.toCompressedPublicKey
import com.tangem.data.common.cache.CacheRegistry
import com.tangem.data.staking.converters.*
@ -25,6 +29,7 @@ import com.tangem.datasource.local.token.StakingBalanceStore
import com.tangem.datasource.local.token.StakingYieldsStore
import com.tangem.domain.core.lce.LceFlow
import com.tangem.domain.core.lce.lceFlow
import com.tangem.domain.staking.model.StakingApproval
import com.tangem.domain.staking.model.StakingAvailability
import com.tangem.domain.staking.model.StakingEntryInfo
import com.tangem.domain.staking.model.UnsubmittedTransactionMetadata
@ -231,14 +236,26 @@ internal class DefaultStakingRepository(
}
}
override suspend fun constructTransaction(transactionId: String): StakingTransaction {
override suspend fun constructTransaction(
networkId: String,
fee: Fee,
transactionId: String,
): Pair<StakingTransaction, TransactionData.Compiled> {
return withContext(dispatchers.io) {
val transactionResponse = stakeKitApi.constructTransaction(
transactionId = transactionId,
body = ConstructTransactionRequestBody(),
)
transactionConverter.convert(transactionResponse.getOrThrow())
val transaction = transactionConverter.convert(transactionResponse.getOrThrow())
val unsignedTransaction = transaction.unsignedTransaction ?: error("No unsigned transaction available")
val transactionData = TransactionData.Compiled(
value = getTransactionDataType(networkId, unsignedTransaction),
fee = fee,
status = TransactionStatus.Unconfirmed,
)
transaction to transactionData
}
}
@ -530,10 +547,24 @@ internal class DefaultStakingRepository(
}
}
override fun isApproveNeeded(cryptoCurrency: CryptoCurrency): Boolean {
override fun getStakingApproval(cryptoCurrency: CryptoCurrency): StakingApproval {
return when (cryptoCurrency.id.getIntegrationKey()) {
Blockchain.Ethereum.id.plus(Blockchain.Polygon.toCoinId()) -> true
else -> false
Blockchain.Ethereum.id + Blockchain.Polygon.toCoinId() -> {
StakingApproval.Needed(ETHEREUM_POLYGON_APPROVE_SPENDER)
}
else -> StakingApproval.Empty
}
}
private fun getTransactionDataType(networkId: String, unsignedTransaction: String): TransactionData.Compiled.Data {
val blockchain = Blockchain.fromId(networkId)
return when (blockchain) {
Blockchain.Solana,
Blockchain.Cosmos,
-> TransactionData.Compiled.Data.Bytes(unsignedTransaction.hexToBytes())
Blockchain.Ethereum,
-> TransactionData.Compiled.Data.RawString(unsignedTransaction)
else -> error("Unsupported blockchain")
}
}
@ -579,6 +610,8 @@ internal class DefaultStakingRepository(
const val NEAR_INTEGRATION_ID = "near-near-native-staking"
const val TEZOS_INTEGRATION_ID = "tezos-xtz-native-staking"
const val ETHEREUM_POLYGON_APPROVE_SPENDER = "0x5e3Ef299fDDf15eAa0432E6e66473ace8c13D908"
// uncomment items as implementation is ready
val integrationIdMap = mapOf(
Blockchain.Solana.run { id + toCoinId() } to SOLANA_INTEGRATION_ID,