Updated on 2026-08-14

app/src/main/java/com/tangem/tap/common/libs/blockchainsdk/DefaultTransactionSignerFactory.kt

@@ -0,0 +1,22 @@
+package com.tangem.tap.common.libs.blockchainsdk
+
+import com.tangem.Message
+import com.tangem.TangemSdk
+import com.tangem.blockchain.common.TransactionSigner
+import com.tangem.blockchainsdk.signer.TransactionSignerFactory
+import com.tangem.tap.common.redux.global.GlobalAction
+import com.tangem.tap.domain.TangemSigner
+import com.tangem.tap.store
+
+internal class DefaultTransactionSignerFactory : TransactionSignerFactory {
+
+    override fun createTransactionSigner(cardId: String?, sdk: TangemSdk): TransactionSigner {
+        return TangemSigner(
+            cardId = cardId,
+            tangemSdk = sdk,
+            initialMessage = Message(),
+        ) { signResponse ->
+            store.dispatch(action = GlobalAction.IsSignWithRing(signResponse.isRing))
+        }
+    }
+}

app/src/main/java/com/tangem/tap/common/redux/global/GlobalAction.kt

@@ -69,6 +69,8 @@ sealed class GlobalAction : Action {
         val walletPublicKey: ByteArray,
     ) : GlobalAction()
 
+    data class IsSignWithRing(val isSignWithRing: Boolean) : GlobalAction()
+
     data class SetConfigManager(val configManager: ConfigManager) : GlobalAction()
     data class SetFeedbackManager(val feedbackManager: LegacyFeedbackManager) : GlobalAction()
 

app/src/main/java/com/tangem/tap/common/redux/global/GlobalReducer.kt

@@ -71,6 +71,7 @@ fun globalReducer(action: Action, state: AppState, appStateHolder: AppStateHolde
             )
             globalState.copy(scanResponse = globalState.scanResponse.copy(card = newCardInstance))
         }
+        is GlobalAction.IsSignWithRing -> globalState.copy(isLastSignWithRing = action.isSignWithRing)
         is GlobalAction.SetFeedbackManager -> {
             globalState.copy(feedbackManager = action.feedbackManager)
         }

app/src/main/java/com/tangem/tap/common/redux/global/GlobalState.kt

@@ -25,6 +25,7 @@ data class GlobalState(
     val exchangeManager: CurrencyExchangeManager = CurrencyExchangeManager.dummy(),
     val userCountryCode: String? = null,
     val appThemeMode: AppThemeMode = AppThemeMode.DEFAULT,
+    val isLastSignWithRing: Boolean = false,
 ) : StateType
 
 typealias CryptoCurrencyName = String