Updated on 2026-08-14

libs/crypto/src/main/java/com/tangem/lib/crypto/TransactionManager.kt

@@ -7,16 +7,26 @@ import java.math.BigDecimal
 
 interface TransactionManager {
 
+    @Throws(IllegalStateException::class)
+    suspend fun sendApproveTransaction(
+        networkId: String,
+        feeAmount: BigDecimal,
+        estimatedGas: Int,
+        destinationAddress: String,
+        dataToSign: String,
+    ): SendTxResult
+
     @Suppress("LongParameterList")
     @Throws(IllegalStateException::class)
     suspend fun sendTransaction(
         networkId: String,
         amountToSend: BigDecimal,
-        currencyToSend: Currency,
         feeAmount: BigDecimal,
         estimatedGas: Int,
         destinationAddress: String,
         dataToSign: String,
+        isSwap: Boolean,
+        currencyToSend: Currency,
     ): SendTxResult
 
     @Throws(IllegalStateException::class)
@@ -30,5 +40,8 @@ interface TransactionManager {
     @Throws(IllegalStateException::class)
     fun getNativeTokenDecimals(networkId: String): Int
 
+    @Throws(IllegalStateException::class)
+    suspend fun updateWalletManager(networkId: String)
+
     fun calculateFee(networkId: String, gasPrice: String, estimatedGas: Int): BigDecimal
 }

libs/crypto/src/main/java/com/tangem/lib/crypto/UserWalletManager.kt

@@ -49,6 +49,10 @@ interface UserWalletManager {
     @Throws(IllegalStateException::class)
     fun getCurrentWalletTokensBalance(networkId: String): Map<String, ProxyAmount>
 
+    fun getNativeTokenBalance(networkId: String): ProxyAmount?
+
+    fun getNetworkCurrency(networkId: String): String
+
     /**
      * Returns selected app currency
      */