Updated on 2026-08-14

app/src/main/java/com/tangem/tap/domain/sdk/TangemSdkManager.kt

@@ -3,16 +3,20 @@ package com.tangem.tap.domain.sdk
 import androidx.annotation.DrawableRes
 import androidx.annotation.StringRes
 import com.tangem.Message
-import com.tangem.common.*
+import com.tangem.common.CompletionResult
+import com.tangem.common.KeyPair
+import com.tangem.common.SuccessResponse
 import com.tangem.common.authentication.keystore.KeystoreManager
-import com.tangem.common.core.*
+import com.tangem.common.core.CardSessionRunnable
+import com.tangem.common.core.UserCodeRequestPolicy
 import com.tangem.common.extensions.ByteArrayKey
 import com.tangem.common.services.secure.SecureStorage
 import com.tangem.crypto.hdWallet.DerivationPath
+import com.tangem.crypto.hdWallet.bip32.ExtendedPublicKey
 import com.tangem.domain.models.scan.CardDTO
 import com.tangem.domain.models.scan.ScanResponse
+import com.tangem.domain.wallets.models.UserWalletId
 import com.tangem.operations.derivation.DerivationTaskResponse
-import com.tangem.crypto.hdWallet.bip32.ExtendedPublicKey
 import com.tangem.operations.wallet.CreateWalletResponse
 import com.tangem.tap.domain.tasks.product.CreateProductWalletTaskResponse
 
@@ -64,6 +68,8 @@ interface TangemSdkManager {
         allowsRequestAccessCodeFromRepository: Boolean,
     ): CompletionResult<CardDTO>
 
+    suspend fun resetBackupCard(userWalletId: UserWalletId): CompletionResult<Unit>
+
     suspend fun saveAccessCode(accessCode: String, cardsIds: Set<String>): CompletionResult<Unit>
 
     suspend fun deleteSavedUserCodes(cardsIds: Set<String>): CompletionResult<Unit>

app/src/main/java/com/tangem/tap/domain/sdk/impl/DefaultTangemSdkManager.kt

@@ -16,25 +16,23 @@ import com.tangem.core.analytics.Analytics
 import com.tangem.core.analytics.models.Basic
 import com.tangem.crypto.bip39.DefaultMnemonic
 import com.tangem.crypto.hdWallet.DerivationPath
+import com.tangem.crypto.hdWallet.bip32.ExtendedPublicKey
 import com.tangem.domain.card.repository.CardSdkConfigRepository
 import com.tangem.domain.common.util.cardTypesResolver
 import com.tangem.domain.common.util.derivationStyleProvider
 import com.tangem.domain.models.scan.CardDTO
 import com.tangem.domain.models.scan.ScanResponse
+import com.tangem.domain.wallets.models.UserWalletId
 import com.tangem.operations.ScanTask
 import com.tangem.operations.derivation.DerivationTaskResponse
 import com.tangem.operations.derivation.DeriveMultipleWalletPublicKeysTask
+import com.tangem.operations.derivation.DeriveWalletPublicKeyTask
 import com.tangem.operations.pins.SetUserCodeCommand
 import com.tangem.operations.usersetttings.SetUserCodeRecoveryAllowedTask
-import com.tangem.crypto.hdWallet.bip32.ExtendedPublicKey
-import com.tangem.operations.derivation.DeriveWalletPublicKeyTask
 import com.tangem.operations.wallet.CreateWalletResponse
 import com.tangem.tap.derivationsFinder
 import com.tangem.tap.domain.sdk.TangemSdkManager
-import com.tangem.tap.domain.tasks.product.CreateProductWalletTask
-import com.tangem.tap.domain.tasks.product.CreateProductWalletTaskResponse
-import com.tangem.tap.domain.tasks.product.ResetToFactorySettingsTask
-import com.tangem.tap.domain.tasks.product.ScanProductTask
+import com.tangem.tap.domain.tasks.product.*
 import com.tangem.tap.domain.twins.CreateFirstTwinWalletTask
 import com.tangem.tap.domain.twins.CreateSecondTwinWalletTask
 import com.tangem.tap.domain.twins.FinalizeTwinTask
@@ -172,6 +170,13 @@ class DefaultTangemSdkManager(
             .map { CardDTO(it) }
     }
 
+    override suspend fun resetBackupCard(userWalletId: UserWalletId): CompletionResult<Unit> {
+        return runTaskAsyncReturnOnMain(
+            runnable = ResetBackupCardTask(userWalletId),
+            initialMessage = Message(resources.getString(R.string.card_settings_reset_card_to_factory)),
+        )
+    }
+
     override suspend fun saveAccessCode(accessCode: String, cardsIds: Set<String>): CompletionResult<Unit> {
         return userCodeRepository.save(
             cardsIds = cardsIds,

app/src/main/java/com/tangem/tap/domain/sdk/impl/MockTangemSdkManager.kt

@@ -4,16 +4,20 @@ import android.content.res.Resources
 import androidx.annotation.DrawableRes
 import androidx.annotation.StringRes
 import com.tangem.Message
-import com.tangem.common.*
+import com.tangem.common.CompletionResult
+import com.tangem.common.KeyPair
+import com.tangem.common.SuccessResponse
 import com.tangem.common.authentication.keystore.DummyKeystoreManager
-import com.tangem.common.core.*
+import com.tangem.common.core.CardSessionRunnable
+import com.tangem.common.core.UserCodeRequestPolicy
 import com.tangem.common.extensions.ByteArrayKey
 import com.tangem.common.services.InMemoryStorage
 import com.tangem.crypto.hdWallet.DerivationPath
+import com.tangem.crypto.hdWallet.bip32.ExtendedPublicKey
 import com.tangem.domain.models.scan.CardDTO
 import com.tangem.domain.models.scan.ScanResponse
+import com.tangem.domain.wallets.models.UserWalletId
 import com.tangem.operations.derivation.DerivationTaskResponse
-import com.tangem.crypto.hdWallet.bip32.ExtendedPublicKey
 import com.tangem.operations.wallet.CreateWalletResponse
 import com.tangem.tap.domain.sdk.TangemSdkManager
 import com.tangem.tap.domain.sdk.mocks.MockProvider
@@ -83,6 +87,10 @@ class MockTangemSdkManager(
         return MockProvider.getCardDto()
     }
 
+    override suspend fun resetBackupCard(userWalletId: UserWalletId): CompletionResult<Unit> {
+        return CompletionResult.Success(Unit)
+    }
+
     override suspend fun saveAccessCode(accessCode: String, cardsIds: Set<String>): CompletionResult<Unit> {
         return CompletionResult.Success(Unit)
     }

app/src/main/java/com/tangem/tap/domain/tasks/product/ResetBackupCardTask.kt

@@ -0,0 +1,46 @@
+package com.tangem.tap.domain.tasks.product
+
+import com.tangem.common.CompletionResult
+import com.tangem.common.core.CardSession
+import com.tangem.common.core.CardSessionRunnable
+import com.tangem.common.core.CompletionCallback
+import com.tangem.domain.wallets.models.UserWalletId
+import com.tangem.operations.PreflightReadMode
+import com.tangem.operations.PreflightReadTask
+import com.tangem.tap.domain.tasks.UserWalletIdPreflightReadFilter
+
+/**
+ * Task for resetting backup card.
+ *
+ * 1. Read card and check if card is corresponding to expected user wallet id.
+ * 2. Reset card.
+ *
+[REDACTED_AUTHOR]
+ */
+internal class ResetBackupCardTask(
+    private val userWalletId: UserWalletId,
+) : CardSessionRunnable<Unit> {
+
+    override val allowsRequestAccessCodeFromRepository: Boolean = false
+
+    override fun run(session: CardSession, callback: CompletionCallback<Unit>) {
+        PreflightReadTask(
+            readMode = PreflightReadMode.FullCardRead,
+            filter = UserWalletIdPreflightReadFilter(expectedUserWalletId = userWalletId),
+        ).run(session) { result ->
+            when (result) {
+                is CompletionResult.Success -> resetCard(session, callback)
+                is CompletionResult.Failure -> callback(CompletionResult.Failure(result.error))
+            }
+        }
+    }
+
+    private fun resetCard(session: CardSession, callback: CompletionCallback<Unit>) {
+        ResetToFactorySettingsTask(allowsRequestAccessCodeFromRepository).run(session) { result ->
+            when (result) {
+                is CompletionResult.Success -> callback(CompletionResult.Success(Unit))
+                is CompletionResult.Failure -> callback(CompletionResult.Failure(result.error))
+            }
+        }
+    }
+}