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Updated on 2026-08-14

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Tangem 2025-08-21 12:43:59 +03:00
commit fe2cfac54d
1140 changed files with 23493 additions and 8579 deletions
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12
domain/transaction/src/main/java/com/tangem/domain/transaction/usecase/PrepareForSendUseCase.kt
View file

@ -10,14 +10,14 @@ import com.tangem.domain.card.common.TapWorkarounds.isTangemTwins
import com.tangem.domain.card.models.TwinKey
import com.tangem.domain.card.repository.CardSdkConfigRepository
import com.tangem.domain.models.network.Network
import com.tangem.domain.models.wallet.UserWallet
import com.tangem.domain.transaction.TransactionRepository
import com.tangem.domain.transaction.error.SendTransactionError
import com.tangem.domain.models.wallet.UserWallet
import com.tangem.domain.models.wallet.requireColdWallet
class PrepareForSendUseCase(
private val transactionRepository: TransactionRepository,
private val cardSdkConfigRepository: CardSdkConfigRepository,
private val getHotTransactionSigner: (UserWallet.Hot) -> TransactionSigner,
) {
suspend operator fun invoke(
transactionData: TransactionData,
@ -56,7 +56,13 @@ class PrepareForSendUseCase(
}
private fun createSigner(userWallet: UserWallet): TransactionSigner {
userWallet.requireColdWallet() // TODO [REDACTED_TASK_KEY]
return when (userWallet) {
is UserWallet.Hot -> getHotTransactionSigner(userWallet)
is UserWallet.Cold -> getColdSigner(userWallet)
}
}
private fun getColdSigner(userWallet: UserWallet.Cold): TransactionSigner {
val card = userWallet.scanResponse.card
val isCardNotBackedUp = card.backupStatus?.isActive != true && !card.isTangemTwins

25
domain/transaction/src/main/java/com/tangem/domain/transaction/usecase/SignUseCase.kt
View file

@ -3,6 +3,7 @@ package com.tangem.domain.transaction.usecase
import arrow.core.Either
import arrow.core.left
import arrow.core.right
import com.tangem.blockchain.common.TransactionSigner
import com.tangem.common.CompletionResult
import com.tangem.common.core.TangemError
import com.tangem.domain.card.common.TapWorkarounds.isTangemTwins
@ -11,25 +12,21 @@ import com.tangem.domain.card.repository.CardSdkConfigRepository
import com.tangem.domain.models.network.Network
import com.tangem.domain.walletmanager.WalletManagersFacade
import com.tangem.domain.models.wallet.UserWallet
import com.tangem.domain.models.wallet.requireColdWallet
class SignUseCase(
private val cardSdkConfigRepository: CardSdkConfigRepository,
private val walletManagersFacade: WalletManagersFacade,
private val getHotTransactionSigner: (UserWallet.Hot) -> TransactionSigner,
) {
suspend operator fun invoke(
hash: ByteArray,
userWallet: UserWallet,
network: Network,
): Either<TangemError, ByteArray> {
userWallet.requireColdWallet() // TODO [REDACTED_TASK_KEY]
val card = userWallet.scanResponse.card
val isCardNotBackedUp = card.backupStatus?.isActive != true && !card.isTangemTwins
val signer = cardSdkConfigRepository.getCommonSigner(
cardId = card.cardId.takeIf { isCardNotBackedUp },
twinKey = TwinKey.getOrNull(scanResponse = userWallet.scanResponse),
)
val signer = when (userWallet) {
is UserWallet.Hot -> getHotTransactionSigner(userWallet)
is UserWallet.Cold -> getColdSigner(userWallet)
}
val walletManager = walletManagersFacade.getOrCreateWalletManager(userWallet.walletId, network)
?: error("WalletManager not found")
@ -39,4 +36,14 @@ class SignUseCase(
is CompletionResult.Success -> signResult.data.right()
}
}
private fun getColdSigner(userWallet: UserWallet.Cold): TransactionSigner {
val card = userWallet.scanResponse.card
val isCardNotBackedUp = card.backupStatus?.isActive != true && !card.isTangemTwins
return cardSdkConfigRepository.getCommonSigner(
cardId = card.cardId.takeIf { isCardNotBackedUp },
twinKey = TwinKey.getOrNull(scanResponse = userWallet.scanResponse),
)
}
}

6
domain/transaction/src/main/java/com/tangem/domain/transaction/usecase/ValidateTransactionUseCase.kt
View file

@ -6,8 +6,8 @@ import arrow.core.right
import com.tangem.blockchain.common.Amount
import com.tangem.blockchain.common.transaction.Fee
import com.tangem.domain.models.network.Network
import com.tangem.domain.transaction.TransactionRepository
import com.tangem.domain.models.wallet.UserWalletId
import com.tangem.domain.transaction.TransactionRepository
class ValidateTransactionUseCase(
private val transactionRepository: TransactionRepository,
@ -21,8 +21,8 @@ class ValidateTransactionUseCase(
destination: String,
userWalletId: UserWalletId,
network: Network,
): Either<Throwable, Unit> {
return transactionRepository.validateTransaction(
): Either<Throwable, Unit> = Either.catch {
transactionRepository.validateTransaction(
amount = amount,
fee = fee,
memo = memo,