Updated on 2026-08-14

features/staking/impl/src/main/java/com/tangem/features/staking/impl/presentation/viewmodel/StakingViewModel.kt

@@ -15,6 +15,8 @@ import com.tangem.domain.appcurrency.GetSelectedAppCurrencyUseCase
 import com.tangem.domain.appcurrency.model.AppCurrency
 import com.tangem.domain.balancehiding.GetBalanceHidingSettingsUseCase
 import com.tangem.domain.staking.InitializeStakingProcessUseCase
+import com.tangem.domain.staking.SaveUnsubmittedHashUseCase
+import com.tangem.domain.staking.SubmitHashUseCase
 import com.tangem.domain.staking.model.Yield
 import com.tangem.domain.staking.model.transaction.StakingTransaction
 import com.tangem.domain.tokens.GetCryptoCurrencyStatusSyncUseCase
@@ -58,6 +60,8 @@ internal class StakingViewModel @Inject constructor(
     private val initializeStakingProcessUseCase: InitializeStakingProcessUseCase,
     private val sendTransactionUseCase: SendTransactionUseCase,
     private val getExplorerTransactionUrlUseCase: GetExplorerTransactionUrlUseCase,
+    private val saveUnsubmittedHashUseCase: SaveUnsubmittedHashUseCase,
+    private val submitHashUseCase: SubmitHashUseCase,
     savedStateHandle: SavedStateHandle,
 ) : ViewModel(), DefaultLifecycleObserver, StakingClickIntents {
 
@@ -286,12 +290,17 @@ internal class StakingViewModel @Inject constructor(
                 )
             },
             ifRight = { txHash ->
-                val gasEstimate = stakingTransaction?.gasEstimate ?: return@fold
+                val transaction = stakingTransaction ?: return@fold
+
+                submitHash(transaction.id, txHash)
 
                 val txUrl = getExplorerTransactionUrlUseCase(
                     txHash = txHash,
                     networkId = cryptoCurrencyStatus.currency.network.id,
                 ).getOrElse { "" }
+
+                val gasEstimate = transaction.gasEstimate ?: error("No gas for transaction")
+
                 stateController.update(
                     SetConfirmationStateCompletedTransformer(
                         appCurrencyProvider = Provider { appCurrency },
@@ -304,6 +313,21 @@ internal class StakingViewModel @Inject constructor(
         )
     }
 
+    private suspend fun submitHash(transactionId: String, transactionHash: String) {
+        submitHashUseCase.submitHash(
+            transactionId = transactionId,
+            transactionHash = transactionHash,
+        )
+            .onLeft {
+                saveUnsubmittedHashUseCase.invoke(
+                    transactionId = transactionId,
+                    transactionHash = transactionHash,
+                )
+            }.onRight {
+                Timber.d("Successful hash submission")
+            }
+    }
+
     private fun isAssentState(): Boolean {
         return value.currentStep == StakingStep.Confirmation &&
             (value.confirmationState as? StakingStates.ConfirmationState.Data)?.innerState ==