Updated on 2026-08-14

app/src/main/java/com/tangem/tap/common/extensions/WalletManager.kt

@@ -8,7 +8,7 @@ import com.tangem.tap.common.TestActions
 import com.tangem.tap.domain.TapError
 import com.tangem.tap.domain.extensions.amountToCreateAccount
 import com.tangem.tap.domain.getFirstToken
-import com.tangem.tap.features.demo.isDemoWallet
+import com.tangem.tap.features.demo.isDemoCard
 import com.tangem.tap.features.wallet.redux.AddressData
 import com.tangem.tap.features.wallet.redux.reducers.createAddressesData
 import com.tangem.tap.network.NetworkConnectivity
@@ -21,7 +21,10 @@ import timber.log.Timber
 [REDACTED_AUTHOR]
  */
 suspend fun WalletManager.safeUpdate(): Result<Wallet> = try {
-    if (isDemoWallet() || TestActions.testAmountInjectionForWalletManagerEnabled) {
+    val scanResponse = store.state.globalState.scanResponse
+        ?: error("Scan response must not be null")
+
+    if (scanResponse.isDemoCard() || TestActions.testAmountInjectionForWalletManagerEnabled) {
         delay(500)
         TestActions.testAmountInjectionForWalletManagerEnabled = false
         Result.Success(wallet)

app/src/main/java/com/tangem/tap/domain/TangemSigner.kt

@@ -5,44 +5,25 @@ import com.tangem.TangemSdk
 import com.tangem.blockchain.common.TransactionSigner
 import com.tangem.blockchain.common.Wallet
 import com.tangem.common.CompletionResult
-import com.tangem.tap.domain.tasks.SignHashTask
+import com.tangem.common.card.Card
 import com.tangem.tap.domain.tasks.SignHashesTask
 import kotlin.coroutines.resume
 import kotlin.coroutines.suspendCoroutine
 
 class TangemSigner(
+    private val card: Card,
     private val tangemSdk: TangemSdk,
     private val initialMessage: Message,
     private val signerCallback: (TangemSignerResponse) -> Unit,
 ) : TransactionSigner {
 
-    override suspend fun sign(hash: ByteArray, cardId: String, publicKey: Wallet.PublicKey): CompletionResult<ByteArray> {
+    override suspend fun sign(
+        hashes: List<ByteArray>,
+        publicKey: Wallet.PublicKey
+    ): CompletionResult<List<ByteArray>> {
         return suspendCoroutine { continuation ->
-            val command = SignHashTask(hash, publicKey)
-            tangemSdk.startSessionWithRunnable(
-                runnable = command,
-                cardId = cardId,
-                initialMessage = initialMessage,
-            ) { result ->
-                when (result) {
-                    is CompletionResult.Success -> {
-                        signerCallback(
-                            TangemSignerResponse(
-                                result.data.totalSignedHashes,
-                                result.data.remainingSignatures
-                            )
-                        )
-                        continuation.resume(CompletionResult.Success(result.data.signature))
-                    }
-                    is CompletionResult.Failure ->
-                        continuation.resume(CompletionResult.Failure(result.error))
-                }
-            }
-        }
-    }
+            val cardId = if (card.backupStatus?.isActive == true) null else card.cardId
 
-    override suspend fun sign(hashes: List<ByteArray>, cardId: String, publicKey: Wallet.PublicKey): CompletionResult<List<ByteArray>> {
-        return suspendCoroutine { continuation ->
             val task = SignHashesTask(hashes, publicKey)
             tangemSdk.startSessionWithRunnable(
                 runnable = task,
@@ -65,6 +46,21 @@ class TangemSigner(
             }
         }
     }
+
+    override suspend fun sign(
+        hash: ByteArray,
+        publicKey: Wallet.PublicKey
+    ): CompletionResult<ByteArray> {
+        val result = sign(
+            hashes = listOf(hash),
+            publicKey = publicKey
+        )
+
+        return when (result) {
+            is CompletionResult.Success -> CompletionResult.Success(result.data.first())
+            is CompletionResult.Failure -> CompletionResult.Failure(result.error)
+        }
+    }
 }
 
 data class TangemSignerResponse(

app/src/main/java/com/tangem/tap/domain/extensions/WalletManagerFactory.kt

@@ -32,9 +32,10 @@ fun WalletManagerFactory.makeWalletManagerForApp(
     return when {
         scanResponse.isTangemTwins() && scanResponse.secondTwinPublicKey != null -> {
             makeTwinWalletManager(
-                card.cardId,
-                wallet.publicKey, scanResponse.secondTwinPublicKey!!.hexToBytes(),
-                environmentBlockchain, wallet.curve
+                walletPublicKey = wallet.publicKey,
+                pairPublicKey = scanResponse.secondTwinPublicKey!!.hexToBytes(),
+                blockchain = environmentBlockchain,
+                curve = wallet.curve
             )
         }
         seedKey != null && derivationParams != null -> {
@@ -47,7 +48,6 @@ fun WalletManagerFactory.makeWalletManagerForApp(
                 ?: return null
 
             makeWalletManager(
-                cardId = card.cardId,
                 blockchain = environmentBlockchain,
                 seedKey = wallet.publicKey,
                 derivedKey = derivedKey,
@@ -56,7 +56,6 @@ fun WalletManagerFactory.makeWalletManagerForApp(
         }
         else -> {
             makeWalletManager(
-                cardId = card.cardId,
                 blockchain = environmentBlockchain,
                 walletPublicKey = wallet.publicKey,
                 curve = wallet.curve

app/src/main/java/com/tangem/tap/domain/statePrinter/WalletStateConverter.kt

@@ -57,7 +57,6 @@ class WalletStateConverter : StringStateConverter<AppState> {
         walletMap["publicKey"] = publicKeyMap
         walletMap["amounts"] = amounts
         walletMap["addresses"] = wallet.addresses.toString()
-        walletMap["cardId"] = wallet.cardId
 
         return walletMap
     }

app/src/main/java/com/tangem/tap/domain/walletconnect/WalletConnectSdkHelper.kt

@@ -5,8 +5,17 @@ import com.tangem.blockchain.blockchains.ethereum.EthereumGasLoader
 import com.tangem.blockchain.blockchains.ethereum.EthereumTransactionExtras
 import com.tangem.blockchain.blockchains.ethereum.EthereumUtils
 import com.tangem.blockchain.blockchains.ethereum.EthereumUtils.Companion.toKeccak
-import com.tangem.blockchain.common.*
-import com.tangem.blockchain.extensions.*
+import com.tangem.blockchain.common.Amount
+import com.tangem.blockchain.common.AmountType
+import com.tangem.blockchain.common.CommonSigner
+import com.tangem.blockchain.common.TransactionData
+import com.tangem.blockchain.common.TransactionSender
+import com.tangem.blockchain.common.Wallet
+import com.tangem.blockchain.common.WalletManager
+import com.tangem.blockchain.extensions.Result
+import com.tangem.blockchain.extensions.SimpleResult
+import com.tangem.blockchain.extensions.hexToBigDecimal
+import com.tangem.blockchain.extensions.isAscii
 import com.tangem.common.CompletionResult
 import com.tangem.common.core.TangemSdkError
 import com.tangem.common.extensions.hexToBytes
@@ -17,7 +26,11 @@ import com.tangem.operations.sign.SignHashCommand
 import com.tangem.tap.common.analytics.Analytics
 import com.tangem.tap.common.extensions.safeUpdate
 import com.tangem.tap.common.extensions.toFormattedString
-import com.tangem.tap.features.details.redux.walletconnect.*
+import com.tangem.tap.features.details.redux.walletconnect.WalletConnectSession
+import com.tangem.tap.features.details.redux.walletconnect.WalletForSession
+import com.tangem.tap.features.details.redux.walletconnect.WcPersonalSignData
+import com.tangem.tap.features.details.redux.walletconnect.WcTransactionData
+import com.tangem.tap.features.details.redux.walletconnect.WcTransactionType
 import com.tangem.tap.features.details.ui.walletconnect.dialogs.PersonalSignDialogData
 import com.tangem.tap.features.details.ui.walletconnect.dialogs.TransactionRequestDialogData
 import com.tangem.tap.store
@@ -25,8 +38,8 @@ import com.tangem.tap.tangemSdk
 import com.tangem.tap.tangemSdkManager
 import com.trustwallet.walletconnect.models.ethereum.WCEthereumSignMessage
 import com.trustwallet.walletconnect.models.ethereum.WCEthereumTransaction
-import timber.log.Timber
 import java.math.BigDecimal
+import timber.log.Timber
 
 class WalletConnectSdkHelper {
 
@@ -108,9 +121,8 @@ class WalletConnectSdkHelper {
         )
         val blockchain = session.wallet.getBlockchainForSession()
         return factory.makeWalletManager(
-            session.wallet.cardId,
-            blockchain,
-            publicKey
+            blockchain = blockchain,
+            publicKey = publicKey
         )
     }
 
@@ -124,7 +136,7 @@ class WalletConnectSdkHelper {
     private suspend fun sendTransaction(data: WcTransactionData): String? {
         val result = (data.walletManager as TransactionSender).send(
             transactionData = data.transaction,
-            signer = Signer(tangemSdk)
+            signer = CommonSigner(tangemSdk)
         )
         return when (result) {
             SimpleResult.Success -> {

app/src/main/java/com/tangem/tap/features/demo/DemoHelper.kt

@@ -109,7 +109,7 @@ class DemoConfig {
                 testDemoCardIds).distinct()
     }
 
-    private val releaseDemoCardIds = mutableListOf<String>(
+    private val releaseDemoCardIds = mutableListOf(
 //        Tangem Wallet:
         "AC01000000041100",
         "AC01000000042462",
@@ -284,7 +284,10 @@ class DemoTransactionSender(
 
     override suspend fun send(transactionData: TransactionData, signer: TransactionSigner): SimpleResult {
         val dataToSign = randomString(32).toByteArray()
-        val signerResponse = signer.sign(dataToSign, walletManager.wallet.cardId, walletManager.wallet.publicKey)
+        val signerResponse = signer.sign(
+            hash = dataToSign,
+            publicKey = walletManager.wallet.publicKey
+        )
         return when (signerResponse) {
             is CompletionResult.Success -> SimpleResult.Failure(Exception(ID))
             is CompletionResult.Failure -> SimpleResult.fromTangemSdkError(signerResponse.error)

app/src/main/java/com/tangem/tap/features/demo/Extentions.kt

@@ -1,10 +1,10 @@
 package com.tangem.tap.features.demo
 
-import com.tangem.blockchain.common.WalletManager
+import com.tangem.common.card.Card
 import com.tangem.domain.common.ScanResponse
 
 /**
 [REDACTED_AUTHOR]
  */
 fun ScanResponse.isDemoCard(): Boolean = DemoHelper.isDemoCardId(card.cardId)
-fun WalletManager.isDemoWallet(): Boolean = DemoHelper.isDemoCardId(wallet.cardId)
+fun Card.isDemoCard(): Boolean = DemoHelper.isDemoCardId(cardId)

app/src/main/java/com/tangem/tap/features/send/redux/middlewares/RequestFeeMiddleware.kt

@@ -7,7 +7,7 @@ import com.tangem.blockchain.extensions.Result
 import com.tangem.common.extensions.isZero
 import com.tangem.tap.common.redux.AppState
 import com.tangem.tap.features.demo.DemoTransactionSender
-import com.tangem.tap.features.demo.isDemoWallet
+import com.tangem.tap.features.demo.isDemoCard
 import com.tangem.tap.features.send.redux.AmountActionUi
 import com.tangem.tap.features.send.redux.FeeAction
 import com.tangem.tap.features.send.redux.ReceiptAction
@@ -28,6 +28,7 @@ class RequestFeeMiddleware {
     fun handle(appState: AppState?, dispatch: DispatchFunction) {
         val sendState = appState?.sendState ?: return
         val walletManager = sendState.walletManager ?: return
+        val scanResponse = appState.globalState.scanResponse ?: return
 
         if (!SendState.isReadyToRequestFee()) {
             dispatch(FeeAction.FeeCalculation.SetFeeError(FeeAction.Error.ADDRESS_OR_AMOUNT_IS_EMPTY))
@@ -40,7 +41,7 @@ class RequestFeeMiddleware {
 
         val destinationAddress = sendState.addressPayIdState.destinationWalletAddress!!
         val destinationAmount = Amount(typedAmount, sendState.amountState.amountToSendCrypto)
-        val txSender = if (walletManager.isDemoWallet()) {
+        val txSender = if (scanResponse.isDemoCard()) {
             DemoTransactionSender(walletManager)
         } else {
             walletManager as TransactionSender

app/src/main/java/com/tangem/tap/features/send/redux/middlewares/SendMiddleware.kt

@@ -4,7 +4,11 @@ import com.google.firebase.crashlytics.FirebaseCrashlytics
 import com.tangem.blockchain.blockchains.binance.BinanceTransactionExtras
 import com.tangem.blockchain.blockchains.stellar.StellarTransactionExtras
 import com.tangem.blockchain.blockchains.xrp.XrpTransactionBuilder
-import com.tangem.blockchain.common.*
+import com.tangem.blockchain.common.Amount
+import com.tangem.blockchain.common.BlockchainSdkError
+import com.tangem.blockchain.common.TransactionError
+import com.tangem.blockchain.common.TransactionSender
+import com.tangem.blockchain.common.WalletManager
 import com.tangem.blockchain.extensions.SimpleResult
 import com.tangem.common.card.Card
 import com.tangem.common.core.TangemSdkError
@@ -15,7 +19,11 @@ import com.tangem.tap.DELAY_SDK_DIALOG_CLOSE
 import com.tangem.tap.common.analytics.Analytics
 import com.tangem.tap.common.analytics.AnalyticsEvent
 import com.tangem.tap.common.analytics.AnalyticsParam
-import com.tangem.tap.common.extensions.*
+import com.tangem.tap.common.extensions.dispatchDialogShow
+import com.tangem.tap.common.extensions.dispatchErrorNotification
+import com.tangem.tap.common.extensions.dispatchOnMain
+import com.tangem.tap.common.extensions.safeUpdate
+import com.tangem.tap.common.extensions.stripZeroPlainString
 import com.tangem.tap.common.redux.AppDialog
 import com.tangem.tap.common.redux.AppState
 import com.tangem.tap.common.redux.global.GlobalAction
@@ -26,9 +34,15 @@ import com.tangem.tap.domain.configurable.warningMessage.WarningMessage
 import com.tangem.tap.domain.extensions.minimalAmount
 import com.tangem.tap.domain.tokens.models.BlockchainNetwork
 import com.tangem.tap.features.demo.DemoTransactionSender
-import com.tangem.tap.features.demo.isDemoWallet
-import com.tangem.tap.features.send.redux.*
+import com.tangem.tap.features.demo.isDemoCard
+import com.tangem.tap.features.send.redux.AddressPayIdActionUi
+import com.tangem.tap.features.send.redux.AddressPayIdVerifyAction
+import com.tangem.tap.features.send.redux.AmountAction
+import com.tangem.tap.features.send.redux.AmountActionUi
 import com.tangem.tap.features.send.redux.FeeAction.RequestFee
+import com.tangem.tap.features.send.redux.PrepareSendScreen
+import com.tangem.tap.features.send.redux.SendAction
+import com.tangem.tap.features.send.redux.SendActionUi
 import com.tangem.tap.features.send.redux.states.ButtonState
 import com.tangem.tap.features.send.redux.states.ExternalTransactionData
 import com.tangem.tap.features.send.redux.states.MainCurrencyType
@@ -38,6 +52,7 @@ import com.tangem.tap.scope
 import com.tangem.tap.store
 import com.tangem.tap.tangemSdk
 import com.tangem.wallet.R
+import java.util.EnumSet
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
@@ -45,7 +60,6 @@ import kotlinx.coroutines.withContext
 import org.rekotlin.Action
 import org.rekotlin.Middleware
 import timber.log.Timber
-import java.util.*
 
 /**
 [REDACTED_AUTHOR]
@@ -161,7 +175,11 @@ private fun sendTransaction(
             tangemSdk.config.linkedTerminal = false
         }
 
-        val signer = TangemSigner(tangemSdk, action.messageForSigner) { signResponse ->
+        val signer = TangemSigner(
+            card = card,
+            tangemSdk = tangemSdk,
+            initialMessage = action.messageForSigner
+        ) { signResponse ->
             store.dispatch(
                 GlobalAction.UpdateWalletSignedHashes(
                     walletSignedHashes = signResponse.totalSignedHashes,
@@ -171,7 +189,7 @@ private fun sendTransaction(
             )
         }
         val sendResult = try {
-            if (walletManager.isDemoWallet()) {
+            if (card.isDemoCard()) {
                 DemoTransactionSender(walletManager).send(txData, signer)
             } else {
                 (walletManager as TransactionSender).send(txData, signer)
@@ -340,5 +358,4 @@ private fun updateWarnings(dispatch: (Action) -> Unit) {
 
     val warnings = warningsManager.getWarnings(WarningMessage.Location.SendScreen, listOf(blockchain))
     dispatch(SendAction.Warnings.Set(warnings))
-}
-
+}

app/src/main/java/com/tangem/tap/features/wallet/redux/middlewares/TradeCryptoMiddleware.kt

@@ -45,6 +45,7 @@ class TradeCryptoMiddleware {
 
         val selectedWalletData = store.state.walletState.getSelectedWalletData() ?: return
         val exchangeManager = store.state.globalState.exchangeManager ?: return
+        val card = store.state.globalState.scanResponse?.card ?: return
         val appCurrency = store.state.globalState.appCurrency
 
         val addresses = selectedWalletData.walletAddresses?.list.orEmpty()
@@ -59,7 +60,13 @@ class TradeCryptoMiddleware {
                 return
             }
 
-            scope.launch { exchangeManager.buyErc20TestnetTokens(walletManager, currency.token) }
+            scope.launch {
+                exchangeManager.buyErc20TestnetTokens(
+                    card = card,
+                    walletManager = walletManager,
+                    token = currency.token
+                )
+            }
             return
         }
 

app/src/main/java/com/tangem/tap/network/exchangeServices/CurrencyExchangeManager.kt

@@ -7,6 +7,7 @@ import com.tangem.blockchain.common.AmountType
 import com.tangem.blockchain.common.Blockchain
 import com.tangem.blockchain.common.Token
 import com.tangem.blockchain.extensions.Result
+import com.tangem.common.card.Card
 import com.tangem.tap.common.extensions.safeUpdate
 import com.tangem.tap.common.redux.global.CryptoCurrencyName
 import com.tangem.tap.common.redux.global.GlobalAction
@@ -68,7 +69,11 @@ class CurrencyExchangeManager(
     enum class Action { Buy, Sell }
 }
 
-suspend fun CurrencyExchangeManager.buyErc20TestnetTokens(walletManager: EthereumWalletManager, token: Token) {
+suspend fun CurrencyExchangeManager.buyErc20TestnetTokens(
+    card: Card,
+    walletManager: EthereumWalletManager,
+    token: Token,
+) {
     walletManager.safeUpdate()
 
     val amountToSend = Amount(walletManager.wallet.blockchain)
@@ -85,7 +90,9 @@ suspend fun CurrencyExchangeManager.buyErc20TestnetTokens(walletManager: Ethereu
     val transaction = walletManager.createTransaction(amountToSend, fee, destinationAddress)
 
     val signer = TangemSigner(
-        tangemSdk = tangemSdk, Message()
+        card = card,
+        tangemSdk = tangemSdk,
+        initialMessage = Message(),
     ) { signResponse ->
         store.dispatch(
             GlobalAction.UpdateWalletSignedHashes(

dependencies.gradle

@@ -1,12 +1,12 @@
 ext.versions = [
         kotlin               : '1.6.10',
         build_gradle         : '7.1.3',
-        tamgem_card_sdk      : 'develop-154',
-        tamgem_blockchain_sdk: 'develop-93',
+        tamgem_card_sdk      : 'develop-156',
+        tamgem_blockchain_sdk: 'develop-96',
 ]
 
 ext.environmentConfig = [
         environment      : "ENVIRONMENT",
         testActionEnabled: "TEST_ACTION_ENABLED",
         logEnabled       : "LOG_ENABLED",
-]
+]

domain/build.gradle

@@ -85,4 +85,4 @@ dependencies {
     testImplementation "com.google.truth:truth:1.1.3"
     androidTestImplementation 'androidx.test.ext:junit:1.1.3'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
-}
+}