Updated on 2026-08-14

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

@@ -1,37 +1,11 @@
 package com.tangem.lib.crypto
 
 import com.tangem.blockchain.common.Amount
-import com.tangem.blockchain.common.TransactionExtras
 import com.tangem.lib.crypto.models.*
-import com.tangem.lib.crypto.models.transactions.SendTxResult
-import java.math.BigDecimal
 import java.math.BigInteger
 
 interface TransactionManager {
 
-    @Throws(IllegalStateException::class)
-    suspend fun sendApproveTransaction(
-        txData: ApproveTxData,
-        derivationPath: String?,
-        analyticsData: AnalyticsData,
-    ): SendTxResult
-
-    /**
-     * Send transaction
-     *
-     * @param txData data to build a tx
-     * @param derivationPath for select right walletManager
-     * @param analyticsData data for send analytics event
-     * @return result of transaction
-     */
-    @Throws(IllegalStateException::class)
-    suspend fun sendTransaction(
-        txData: SwapTxData,
-        isSwap: Boolean,
-        derivationPath: String?,
-        analyticsData: AnalyticsData,
-    ): SendTxResult
-
     /**
      * Get fee
      *
@@ -62,8 +36,6 @@ interface TransactionManager {
     @Throws(IllegalStateException::class)
     suspend fun updateWalletManager(networkId: String, derivationPath: String?)
 
-    fun calculateFee(networkId: String, gasPrice: String, estimatedGas: Int): BigDecimal
-
     /**
      * In app blockchain id, actual in blockchain sdk, not the same as networkId
      *
@@ -74,7 +46,4 @@ interface TransactionManager {
 
     @Throws(IllegalStateException::class)
     fun getExplorerTransactionLink(networkId: String, txAddress: String): String
-
-    // TODO: move to another place to use as in Send feature
-    fun getMemoExtras(networkId: String, memo: String?): TransactionExtras?
 }

libs/crypto/src/main/java/com/tangem/lib/crypto/models/errors/UserCancelledException.kt

@@ -1,3 +0,0 @@
-package com.tangem.lib.crypto.models.errors
-
-class UserCancelledException : Exception()