Updated on 2026-08-14
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Tangem
parent
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commit
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24 changed files with 132 additions and 1215 deletions
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@ -1,298 +0,0 @@
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package com.tangem.tap.proxy
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import com.tangem.blockchain.blockchains.cardano.CardanoUtils
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import com.tangem.blockchain.common.Blockchain
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import com.tangem.blockchain.common.Token
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import com.tangem.common.CompletionResult
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import com.tangem.common.card.EllipticCurve
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import com.tangem.common.core.TangemError
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import com.tangem.common.core.TangemSdkError
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import com.tangem.common.extensions.ByteArrayKey
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import com.tangem.common.extensions.toMapKey
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import com.tangem.crypto.hdWallet.DerivationPath
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import com.tangem.data.tokens.utils.CryptoCurrencyFactory
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import com.tangem.domain.common.BlockchainNetwork
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import com.tangem.domain.common.DerivationStyleProvider
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import com.tangem.domain.common.configs.CardConfig
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import com.tangem.domain.common.extensions.fromNetworkId
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import com.tangem.domain.common.util.derivationStyleProvider
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import com.tangem.domain.common.util.hasDerivation
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import com.tangem.domain.models.scan.ScanResponse
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import com.tangem.domain.tokens.AddCryptoCurrenciesUseCase
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import com.tangem.domain.tokens.model.CryptoCurrency
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import com.tangem.domain.tokens.repository.CurrenciesRepository
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import com.tangem.domain.tokens.repository.NetworksRepository
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import com.tangem.domain.wallets.models.UserWalletId
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import com.tangem.lib.crypto.DerivationManager
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import com.tangem.lib.crypto.models.Currency
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import com.tangem.lib.crypto.models.Currency.NonNativeToken
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import com.tangem.lib.crypto.models.errors.UserCancelledException
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import com.tangem.operations.derivation.ExtendedPublicKeysMap
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import com.tangem.tap.common.extensions.dispatchDebugErrorNotification
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import com.tangem.tap.common.extensions.dispatchOnMain
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import com.tangem.tap.common.redux.global.GlobalAction
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import com.tangem.tap.domain.TapError
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import com.tangem.tap.features.tokens.legacy.redux.TokensMiddleware
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import com.tangem.tap.scope
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import com.tangem.tap.userWalletsListManager
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import com.tangem.utils.extensions.DELAY_SDK_DIALOG_CLOSE
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import kotlinx.coroutines.delay
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import kotlinx.coroutines.launch
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import kotlin.coroutines.suspendCoroutine
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import com.tangem.tap.domain.model.Currency as WalletModelCurrency
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class DerivationManagerImpl(
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private val appStateHolder: AppStateHolder,
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private val currenciesRepository: CurrenciesRepository,
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private val networksRepository: NetworksRepository,
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) : DerivationManager {
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// TODO: Move to DI
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private val addCryptoCurrenciesUseCase by lazy(LazyThreadSafetyMode.NONE) {
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AddCryptoCurrenciesUseCase(currenciesRepository, networksRepository)
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}
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override suspend fun deriveAndAddTokens(currency: Currency) = suspendCoroutine { continuation ->
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val selectedUserWallet = requireNotNull(
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userWalletsListManager.selectedUserWalletSync,
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) { "selectedUserWallet shouldn't be null" }
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val scanResponse = selectedUserWallet.scanResponse
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val blockchain = requireNotNull(
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Blockchain.fromNetworkId(currency.networkId),
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) { "unsupported blockchain" }
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val derivationStyleProvider = scanResponse.derivationStyleProvider
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val derivationPath = requireNotNull(
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blockchain.derivationPath(derivationStyleProvider.getDerivationStyle())?.rawPath,
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) { "derivationPath shouldn't be null" }
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val hasDerivation = scanResponse.hasDerivation(
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blockchain,
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derivationPath,
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)
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if (hasDerivation) {
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scope.launch {
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addToken(
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userWalletId = selectedUserWallet.walletId,
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blockchain = blockchain,
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currency = currency,
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derivationPath = derivationPath,
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derivationStyleProvider = derivationStyleProvider,
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)
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continuation.resumeWith(Result.success(derivationPath))
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}
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} else {
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val blockchainNetwork = BlockchainNetwork(blockchain, scanResponse.derivationStyleProvider)
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val appCurrency = com.tangem.tap.domain.model.Currency.fromBlockchainNetwork(
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blockchainNetwork,
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getAppToken(currency),
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)
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deriveMissingBlockchains(
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scanResponse = scanResponse,
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currencyList = listOf(appCurrency),
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onSuccess = { updatedScanResponse ->
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scope.launch {
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userWalletsListManager.update(
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userWalletId = selectedUserWallet.walletId,
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update = { it.copy(scanResponse = updatedScanResponse) },
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)
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addToken(
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userWalletId = selectedUserWallet.walletId,
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blockchain = blockchain,
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currency = currency,
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derivationPath = derivationPath,
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derivationStyleProvider = derivationStyleProvider,
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)
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continuation.resumeWith(Result.success(derivationPath))
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}
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},
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onFailure = {
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continuation.resumeWith(Result.failure(it))
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},
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)
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}
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}
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private suspend fun addToken(
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userWalletId: UserWalletId,
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blockchain: Blockchain,
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currency: Currency,
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derivationPath: String,
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derivationStyleProvider: DerivationStyleProvider,
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) {
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val cryptoCurrency = convertCurrency(
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blockchain = blockchain,
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currency = currency,
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derivationPath = derivationPath,
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derivationStyleProvider = derivationStyleProvider,
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)
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addCryptoCurrenciesUseCase(userWalletId, cryptoCurrency)
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}
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private fun convertCurrency(
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blockchain: Blockchain,
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currency: Currency,
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derivationPath: String,
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derivationStyleProvider: DerivationStyleProvider,
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): CryptoCurrency {
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val cryptoCurrencyFactory = CryptoCurrencyFactory()
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return when (currency) {
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is Currency.NativeToken -> {
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cryptoCurrencyFactory.createCoin(
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blockchain = blockchain,
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extraDerivationPath = derivationPath,
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derivationStyleProvider = derivationStyleProvider,
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)
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}
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is NonNativeToken -> {
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val sdkToken = Token(
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name = currency.name,
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symbol = currency.symbol,
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contractAddress = currency.contractAddress,
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decimals = currency.decimalCount,
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id = currency.id,
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)
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cryptoCurrencyFactory.createToken(
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sdkToken = sdkToken,
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blockchain = blockchain,
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extraDerivationPath = derivationPath,
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derivationStyleProvider = derivationStyleProvider,
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)
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}
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} as CryptoCurrency
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}
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private fun deriveMissingBlockchains(
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scanResponse: ScanResponse,
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currencyList: List<WalletModelCurrency>,
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onSuccess: (ScanResponse) -> Unit,
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onFailure: (Exception) -> Unit,
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) {
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val config = CardConfig.createConfig(scanResponse.card)
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val derivationDataList = currencyList.mapNotNull { currency ->
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val curve = config.primaryCurve(currency.blockchain)
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curve?.let { getDerivations(curve, scanResponse, currency) }
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}
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val derivations = buildMap<ByteArrayKey, MutableList<DerivationPath>> {
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derivationDataList.forEach {
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val current = this[it.derivations.first]
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if (current != null) {
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current.addAll(it.derivations.second)
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current.distinct()
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} else {
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this[it.derivations.first] = it.derivations.second.toMutableList()
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}
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}
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}
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if (derivations.isEmpty()) {
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onSuccess(scanResponse)
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return
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}
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scope.launch {
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val selectedUserWallet = userWalletsListManager.selectedUserWalletSync
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val result = appStateHolder.tangemSdkManager?.derivePublicKeys(
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cardId = null, // always ignore cardId in derive task
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derivations = derivations,
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)
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when (result) {
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is CompletionResult.Success -> {
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val newDerivedKeys = result.data.entries
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val oldDerivedKeys = scanResponse.derivedKeys
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val walletKeys = (newDerivedKeys.keys + oldDerivedKeys.keys).toSet()
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val updatedDerivedKeys = walletKeys.associateWith { walletKey ->
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val oldDerivations = ExtendedPublicKeysMap(oldDerivedKeys[walletKey] ?: emptyMap())
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val newDerivations = newDerivedKeys[walletKey] ?: ExtendedPublicKeysMap(emptyMap())
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ExtendedPublicKeysMap(oldDerivations + newDerivations)
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}
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val updatedScanResponse = scanResponse.copy(
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derivedKeys = updatedDerivedKeys,
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)
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if (selectedUserWallet != null) {
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userWalletsListManager.update(
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userWalletId = selectedUserWallet.walletId,
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update = { it.copy(scanResponse = updatedScanResponse) },
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)
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}
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appStateHolder.mainStore?.dispatchOnMain(GlobalAction.SaveScanResponse(updatedScanResponse))
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delay(DELAY_SDK_DIALOG_CLOSE)
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onSuccess(updatedScanResponse)
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}
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is CompletionResult.Failure -> {
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appStateHolder.mainStore?.dispatchDebugErrorNotification(
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TapError.CustomError(
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"Error derivation",
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),
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)
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onFailure.invoke(handleTangemError(result.error))
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}
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else -> {
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error("result result is null")
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}
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}
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}
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}
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private fun getDerivations(
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curve: EllipticCurve,
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scanResponse: ScanResponse,
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currency: com.tangem.tap.domain.model.Currency,
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): TokensMiddleware.DerivationData? {
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val wallet = scanResponse.card.wallets.firstOrNull { it.curve == curve } ?: return null
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val supportedCurves = currency.blockchain.getSupportedCurves()
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val path = currency.blockchain.derivationPath(scanResponse.derivationStyleProvider.getDerivationStyle())
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.takeIf { supportedCurves.contains(curve) }
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val customPath = currency.derivationPath?.let {
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DerivationPath(it)
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}.takeIf { supportedCurves.contains(curve) }
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val bothCandidates = listOfNotNull(path, customPath).distinct().toMutableList()
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if (bothCandidates.isEmpty()) return null
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if (currency is WalletModelCurrency.Blockchain &&
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currency.blockchain == Blockchain.Cardano
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) {
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currency.derivationPath?.let {
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bothCandidates.add(CardanoUtils.extendedDerivationPath(DerivationPath(it)))
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}
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}
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val mapKeyOfWalletPublicKey = wallet.publicKey.toMapKey()
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val alreadyDerivedKeys: ExtendedPublicKeysMap =
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scanResponse.derivedKeys[mapKeyOfWalletPublicKey] ?: ExtendedPublicKeysMap(emptyMap())
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val alreadyDerivedPaths = alreadyDerivedKeys.keys.toList()
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val toDerive = bothCandidates.filterNot { alreadyDerivedPaths.contains(it) }
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if (toDerive.isEmpty()) return null
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return TokensMiddleware.DerivationData(derivations = mapKeyOfWalletPublicKey to toDerive)
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}
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private fun getAppToken(currency: Currency): Token? {
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return if (currency is NonNativeToken) {
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Token(
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symbol = currency.symbol,
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contractAddress = currency.contractAddress,
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decimals = currency.decimalCount,
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)
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} else {
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null
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}
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}
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/**
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* Simple error handler
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* for now specifically handle only UserCancelled
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*
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* @param error [TangemError]
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*/
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private fun handleTangemError(error: TangemError): Exception {
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if (error is TangemSdkError.UserCancelled) {
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return UserCancelledException()
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}
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return IllegalStateException(error.customMessage)
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}
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}
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@ -4,9 +4,7 @@ import com.tangem.core.analytics.api.AnalyticsEventHandler
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import com.tangem.datasource.local.userwallet.UserWalletsStore
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import com.tangem.domain.card.repository.CardSdkConfigRepository
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import com.tangem.domain.tokens.repository.CurrenciesRepository
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import com.tangem.domain.tokens.repository.NetworksRepository
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import com.tangem.domain.walletmanager.WalletManagersFacade
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import com.tangem.lib.crypto.DerivationManager
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import com.tangem.lib.crypto.TransactionManager
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import com.tangem.lib.crypto.UserWalletManager
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import com.tangem.tap.proxy.*
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@ -56,18 +54,4 @@ internal object ProxyModule {
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walletManagersFacade = walletManagersFacade,
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)
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}
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@Provides
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@Singleton
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fun provideDerivationManager(
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appStateHolder: AppStateHolder,
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currenciesRepository: CurrenciesRepository,
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networksRepository: NetworksRepository,
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): DerivationManager {
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return DerivationManagerImpl(
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appStateHolder = appStateHolder,
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currenciesRepository = currenciesRepository,
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networksRepository = networksRepository,
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)
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}
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}
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@ -8,7 +8,6 @@ import com.tangem.domain.balancehiding.repositories.BalanceHidingRepository
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import com.tangem.domain.card.ScanCardProcessor
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import com.tangem.domain.card.ScanCardUseCase
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import com.tangem.domain.card.repository.CardSdkConfigRepository
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import com.tangem.domain.card.repository.DerivationsRepository
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import com.tangem.domain.tokens.repository.CurrenciesRepository
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import com.tangem.domain.tokens.repository.NetworksRepository
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import com.tangem.domain.walletmanager.WalletManagersFacade
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@ -18,7 +17,6 @@ import com.tangem.features.managetokens.featuretoggles.ManageTokensFeatureToggle
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import com.tangem.features.managetokens.navigation.ManageTokensRouter
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import com.tangem.features.send.api.featuretoggles.SendFeatureToggles
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import com.tangem.features.send.api.navigation.SendRouter
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import com.tangem.features.tester.api.TesterFeatureToggles
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import com.tangem.features.tester.api.TesterRouter
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import com.tangem.features.tokendetails.navigation.TokenDetailsRouter
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import com.tangem.features.wallet.navigation.WalletRouter
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@ -53,11 +51,7 @@ data class DaggerGraphState(
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val sendFeatureToggles: SendFeatureToggles? = null,
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val sendRouter: SendRouter? = null,
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val qrScanningRouter: QrScanningRouter? = null,
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// FIXME: It is used only for TokensList screen. Remove after refactoring of TokensList
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val currenciesRepository: CurrenciesRepository? = null,
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val derivationsRepository: DerivationsRepository? = null,
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val testerFeatureToggles: TesterFeatureToggles? = null,
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val blockchainDataStorage: BlockchainDataStorage? = null,
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) : StateType {
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