Updated on 2026-08-14

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

@@ -1,8 +1,6 @@
 package com.tangem.lib.crypto
 
-import com.tangem.lib.crypto.models.Currency
-import com.tangem.lib.crypto.models.ProxyFees
-import com.tangem.lib.crypto.models.ProxyNetworkInfo
+import com.tangem.lib.crypto.models.*
 import com.tangem.lib.crypto.models.transactions.SendTxResult
 import java.math.BigDecimal
 
@@ -11,26 +9,25 @@ interface TransactionManager {
     @Suppress("LongParameterList")
     @Throws(IllegalStateException::class)
     suspend fun sendApproveTransaction(
-        networkId: String,
-        feeAmount: BigDecimal,
-        gasLimit: Int,
-        destinationAddress: String,
-        dataToSign: String,
+        txData: ApproveTxData,
         derivationPath: String?,
+        analyticsData: AnalyticsData,
     ): SendTxResult
 
-    @Suppress("LongParameterList")
+    /**
+     * 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(
-        networkId: String,
-        amountToSend: BigDecimal,
-        feeAmount: BigDecimal,
-        gasLimit: Int,
-        destinationAddress: String,
-        dataToSign: String,
+        txData: SwapTxData,
         isSwap: Boolean,
-        currencyToSend: Currency,
         derivationPath: String?,
+        analyticsData: AnalyticsData,
     ): SendTxResult
 
     /**

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

@@ -0,0 +1,14 @@
+package com.tangem.lib.crypto.models
+
+/**
+ * Analytics data for send events in analytics engine
+ *
+ * @property feeType type of fee (min,max,normal)
+ * @property tokenSymbol symbol
+ * @property permissionType optional parameter used for type tx approve
+ */
+data class AnalyticsData(
+    val feeType: String,
+    val tokenSymbol: String,
+    val permissionType: String? = null,
+)

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

@@ -0,0 +1,20 @@
+package com.tangem.lib.crypto.models
+
+import java.math.BigDecimal
+
+/**
+ * Tx data for create and make approve transaction
+ *
+ * @property networkId id of network
+ * @property feeAmount amount of fee
+ * @property gasLimit gasLimit for given tx
+ * @property destinationAddress address to send tx
+ * @property dataToSign data to sing with signer
+ */
+data class ApproveTxData(
+    val networkId: String,
+    val feeAmount: BigDecimal,
+    val gasLimit: Int,
+    val destinationAddress: String,
+    val dataToSign: String,
+)

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

@@ -0,0 +1,24 @@
+package com.tangem.lib.crypto.models
+
+import java.math.BigDecimal
+
+/**
+ * Tx data for create and make transaction
+ *
+ * @property networkId id of network
+ * @property feeAmount amount of fee
+ * @property gasLimit gasLimit for given tx
+ * @property destinationAddress address to send tx
+ * @property dataToSign data to sing with signer
+ * @property amountToSend amount of tx
+ * @property currencyToSend currency for tx
+ */
+data class SwapTxData(
+    val networkId: String,
+    val feeAmount: BigDecimal,
+    val gasLimit: Int,
+    val destinationAddress: String,
+    val dataToSign: String,
+    val amountToSend: BigDecimal,
+    val currencyToSend: Currency,
+)