Updated on 2026-08-14

data/account/build.gradle.kts

@@ -15,9 +15,14 @@ tasks.withType<Test>().configureEach {
 
 dependencies {
 
+    // region Project - Common
+    implementation(projects.common.ui) // It's needed for getting AccountName.DefaultMain value
+    // endregion
+
     // region Project - Core
     implementation(projects.core.datasource)
     implementation(projects.core.configToggles)
+    implementation(projects.core.res)
     api(projects.core.utils)
     // endregion
 

data/account/src/main/kotlin/com/tangem/data/account/di/AccountDataModule.kt

@@ -1,5 +1,6 @@
 package com.tangem.data.account.di
 
+import android.content.Context
 import com.tangem.core.configtoggle.feature.FeatureTogglesManager
 import com.tangem.data.account.converter.AccountConverterFactoryContainer
 import com.tangem.data.account.featuretoggle.DefaultAccountsFeatureToggles
@@ -21,6 +22,7 @@ import com.tangem.utils.coroutines.CoroutineDispatcherProvider
 import dagger.Module
 import dagger.Provides
 import dagger.hilt.InstallIn
+import dagger.hilt.android.qualifiers.ApplicationContext
 import dagger.hilt.components.SingletonComponent
 import javax.inject.Singleton
 
@@ -43,6 +45,7 @@ internal object AccountDataModule {
         userWalletsStore: UserWalletsStore,
         userTokensSaver: UserTokensSaver,
         accountConverterFactoryContainer: AccountConverterFactoryContainer,
+        @ApplicationContext context: Context,
         dispatchers: CoroutineDispatcherProvider,
     ): AccountsCRUDRepository {
         return DefaultAccountsCRUDRepository(
@@ -54,6 +57,7 @@ internal object AccountDataModule {
             userTokensSaver = userTokensSaver,
             archivedAccountsETagStore = RuntimeStateStore(emptyMap()),
             convertersContainer = accountConverterFactoryContainer,
+            resources = context.resources,
             dispatchers = dispatchers,
         )
     }

data/account/src/main/kotlin/com/tangem/data/account/repository/DefaultAccountsCRUDRepository.kt

@@ -1,8 +1,11 @@
 package com.tangem.data.account.repository
 
+import android.content.res.Resources
 import arrow.core.Option
 import arrow.core.raise.option
 import arrow.core.toOption
+import com.tangem.common.ui.account.AccountNameUM
+import com.tangem.core.res.getStringSafe
 import com.tangem.data.account.converter.AccountConverterFactoryContainer
 import com.tangem.data.account.converter.ArchivedAccountConverter
 import com.tangem.data.account.store.AccountsResponseStore
@@ -26,6 +29,7 @@ import com.tangem.domain.account.models.ArchivedAccount
 import com.tangem.domain.account.repository.AccountsCRUDRepository
 import com.tangem.domain.models.account.Account
 import com.tangem.domain.models.account.AccountId
+import com.tangem.domain.models.account.AccountName
 import com.tangem.domain.models.wallet.UserWallet
 import com.tangem.domain.models.wallet.UserWalletId
 import com.tangem.utils.coroutines.CoroutineDispatcherProvider
@@ -48,6 +52,7 @@ internal class DefaultAccountsCRUDRepository(
     private val userTokensSaver: UserTokensSaver,
     private val archivedAccountsETagStore: RuntimeStateStore<Map<String, String?>>,
     private val convertersContainer: AccountConverterFactoryContainer,
+    private val resources: Resources,
     private val dispatchers: CoroutineDispatcherProvider,
 ) : AccountsCRUDRepository {
 
@@ -197,6 +202,19 @@ internal class DefaultAccountsCRUDRepository(
 
     override fun getUserWalletsSync(): List<UserWallet> = userWalletsStore.userWalletsSync
 
+    override fun checkDefaultAccountName(accountList: AccountList, accountName: AccountName) {
+        val hasDefaultName = accountList.accounts.any { it.accountName is AccountName.DefaultMain }
+
+        if (!hasDefaultName) return
+
+        val defaultName = resources.getStringSafe(AccountNameUM.DefaultMain.stringResId)
+            .let(AccountName::invoke).getOrNull()
+
+        require(defaultName != accountName) {
+            "Cannot use default account name \"$accountName\" for custom accounts"
+        }
+    }
+
     private suspend fun saveETag(userWalletId: UserWalletId, apiResponse: ApiResponse<*>) {
         val eTag = apiResponse.headers[ETAG_HEADER]?.firstOrNull()
 

data/account/src/test/java/com/tangem/data/account/repository/DefaultAccountsCRUDRepositoryTest.kt

@@ -1,5 +1,6 @@
 package com.tangem.data.account.repository
 
+import android.content.res.Resources
 import arrow.core.None
 import arrow.core.toOption
 import com.google.common.truth.Truth
@@ -59,6 +60,8 @@ class DefaultAccountsCRUDRepositoryTest {
     private val accountListConverter: AccountListConverter = mockk()
     private val cryptoPortfolioConverter: CryptoPortfolioConverter = mockk()
 
+    private val resources: Resources = mockk()
+
     private val repository = DefaultAccountsCRUDRepository(
         tangemTechApi = tangemTechApi,
         walletAccountsSaver = walletAccountsSaver,
@@ -68,6 +71,7 @@ class DefaultAccountsCRUDRepositoryTest {
         userTokensSaver = userTokensSaver,
         archivedAccountsETagStore = archivedAccountsETagStore,
         convertersContainer = convertersContainer,
+        resources = resources,
         dispatchers = TestingCoroutineDispatcherProvider(),
     )