Updated on 2026-08-14

domain/src/main/java/com/tangem/domain/DomainWrapped.kt

@@ -1,7 +1,6 @@
 package com.tangem.domain
 
-import com.tangem.blockchain.common.Blockchain
-import com.tangem.blockchain.common.Token
+import com.tangem.blockchain.common.DerivationStyle
 
 /**
 [REDACTED_AUTHOR]
@@ -11,8 +10,30 @@ import com.tangem.blockchain.common.Token
 // to appropriate parts of module
 sealed interface DomainWrapped {
 
-    data class TokenWithBlockchain(
-        val token: Token,
-        val blockchain: Blockchain
-    )
+    // Mirror reflection ot the com.tangem.tap.features.wallet.redux.Currency
+    sealed interface Currency {
+        val blockchain: com.tangem.blockchain.common.Blockchain
+        val currencySymbol: String
+        val derivationPath: String?
+
+        data class Token(
+            val token: com.tangem.blockchain.common.Token,
+            override val blockchain: com.tangem.blockchain.common.Blockchain,
+            override val derivationPath: String?
+        ) : Currency {
+            override val currencySymbol = token.symbol
+        }
+
+        data class Blockchain(
+            override val blockchain: com.tangem.blockchain.common.Blockchain,
+            override val derivationPath: String?
+        ) : Currency {
+            override val currencySymbol: String = blockchain.currency
+        }
+
+        fun isCustomCurrency(derivationStyle: DerivationStyle?): Boolean {
+            if (derivationPath == null || derivationStyle == null) return false
+            return derivationPath != blockchain.derivationPath(derivationStyle)?.rawPath
+        }
+    }
 }

domain/src/main/java/com/tangem/domain/common/ScanResponse.kt

@@ -3,9 +3,13 @@ package com.tangem.domain.common
 import com.tangem.blockchain.common.Blockchain
 import com.tangem.blockchain.common.Token
 import com.tangem.common.card.Card
+import com.tangem.common.card.EllipticCurve
 import com.tangem.common.card.WalletData
 import com.tangem.common.extensions.ByteArrayKey
+import com.tangem.common.extensions.toMapKey
+import com.tangem.common.hdWallet.DerivationPath
 import com.tangem.domain.common.TapWorkarounds.getTangemNoteBlockchain
+import com.tangem.domain.common.TapWorkarounds.isTestCard
 import com.tangem.operations.CommandResponse
 import com.tangem.operations.backup.PrimaryCard
 import com.tangem.operations.derivation.ExtendedPublicKeysMap
@@ -48,6 +52,33 @@ data class ScanResponse(
 
     fun twinsIsTwinned(): Boolean =
         card.isTangemTwins() && walletData != null && secondTwinPublicKey != null
+
+    fun hasDerivation(blockchain: Blockchain, rawDerivationPath: String): Boolean {
+        return hasDerivation(blockchain, DerivationPath(rawDerivationPath))
+    }
+
+    fun hasDerivation(blockchain: Blockchain, derivationPath: DerivationPath): Boolean {
+        val isTestnet = card.isTestCard || blockchain.isTestnet()
+        return when {
+            Blockchain.secp256k1Blockchains(isTestnet).contains(blockchain) -> {
+                hasDerivation(EllipticCurve.Secp256k1, derivationPath)
+            }
+            Blockchain.ed25519OnlyBlockchains(isTestnet).contains(blockchain) -> {
+                hasDerivation(EllipticCurve.Ed25519, derivationPath)
+            }
+            else -> false
+        }
+    }
+
+    fun hasDerivation(curve: EllipticCurve, derivationPath: DerivationPath): Boolean {
+        val foundWallet = card.wallets.firstOrNull { it.curve == curve }
+            ?: return false
+
+        val extendedPublicKeysMap = derivedKeys[foundWallet.publicKey.toMapKey()] ?: return false
+
+        val extendedPublicKey = extendedPublicKeysMap[derivationPath]
+        return extendedPublicKey != null
+    }
 }
 
 enum class ProductType {

domain/src/main/java/com/tangem/domain/redux/ReStoreHub.kt

@@ -97,6 +97,10 @@ internal abstract class BaseStoreHub<State>(
         }
     }
 
+    protected fun cancelAll() {
+        actionsAndJobs.forEach { (_, job) -> job.cancel() }
+    }
+
     protected abstract suspend fun handleAction(action: Action, storeState: DomainState, cancel: ValueCallback<Action>)
     protected abstract fun reduceAction(action: Action, state: State): State