Updated on 2026-08-14

domain/legacy/src/main/java/com/tangem/domain/walletmanager/DefaultWalletManagersFacade.kt

@@ -37,6 +37,8 @@ import com.tangem.domain.walletmanager.utils.WalletManagerFactory
 import com.tangem.domain.wallets.models.UserWallet
 import com.tangem.domain.wallets.models.UserWalletId
 import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.sync.Mutex
+import kotlinx.coroutines.sync.withLock
 import timber.log.Timber
 import java.math.BigDecimal
 import java.util.EnumSet
@@ -61,6 +63,8 @@ class DefaultWalletManagersFacade(
     private val requirementsConditionConverter by lazy { SdkRequirementsConditionConverter() }
     private val estimationFeeAddressFactory by lazy { EstimationFeeAddressFactory() }
 
+    private val initMutex = Mutex()
+
     override suspend fun update(
         userWalletId: UserWalletId,
         network: Network,
@@ -329,25 +333,26 @@ class DefaultWalletManagersFacade(
         blockchain: Blockchain,
         derivationPath: String?,
     ): WalletManager? {
+        initMutex.withLock {
             val userWallet = getUserWallet(userWalletId)
             var walletManager = walletManagersStore.getSyncOrNull(
                 userWalletId = userWalletId,
                 blockchain = blockchain,
                 derivationPath = derivationPath,
             )
-
             if (walletManager == null) {
                 walletManager = walletManagerFactory.createWalletManager(
                     scanResponse = userWallet.scanResponse,
                     blockchain = blockchain,
                     derivationPath = derivationPath?.let { DerivationPath(rawPath = it) },
-            ) ?: return null
+                )
+                walletManager ?: return null
 
                 walletManagersStore.store(userWalletId, walletManager)
             }
-
             return walletManager
         }
+    }
 
     @Deprecated("Will be removed in future")
     override suspend fun getOrCreateWalletManager(userWalletId: UserWalletId, network: Network): WalletManager? {

libs/blockchain-sdk/src/main/java/com/tangem/blockchainsdk/DefaultBlockchainSDKFactory.kt

@@ -42,10 +42,10 @@ internal class DefaultBlockchainSDKFactory(
     dispatchers: CoroutineDispatcherProvider,
 ) : BlockchainSDKFactory {
 
-    private val walletManagerFactory: Flow<WalletManagerFactory?> by lazy(::createWalletManagerFactory)
-
     private val mainScope = CoroutineScope(dispatchers.main)
 
+    private val walletManagerFactory: Flow<WalletManagerFactory?> = createWalletManagerFactory()
+
     override suspend fun init() {
         coroutineScope {
             updateBlockchainSDKConfig()