From 2f6a07c01ab68424891adc32acc9343e7f4ea5c7 Mon Sep 17 00:00:00 2001
From: Tangem <git@tangem.com>
Date: Sat, 26 Feb 2022 17:46:24 +0300
Subject: [PATCH] Updated on 2026-08-14

---
 .../tangem/tap/features/demo/DemoHelper.kt    | 15 ++++++++++++--
 .../redux/middlewares/RequestFeeMiddleware.kt | 20 ++++++++++++-------
 2 files changed, 26 insertions(+), 9 deletions(-)

diff --git a/app/src/main/java/com/tangem/tap/features/demo/DemoHelper.kt b/app/src/main/java/com/tangem/tap/features/demo/DemoHelper.kt
index 62dc1d7e8f..260a2d9e34 100644
--- a/app/src/main/java/com/tangem/tap/features/demo/DemoHelper.kt
+++ b/app/src/main/java/com/tangem/tap/features/demo/DemoHelper.kt
@@ -1,5 +1,6 @@
 package com.tangem.tap.features.demo
 
+import com.tangem.blockchain.blockchains.bitcoin.BitcoinWalletManager
 import com.tangem.blockchain.common.*
 import com.tangem.blockchain.extensions.Result
 import com.tangem.blockchain.extensions.SimpleResult
@@ -166,8 +167,18 @@ class DemoTransactionSender(
     private val sender: TransactionSender = walletManager as TransactionSender
 ) : TransactionSender {
 
-    override suspend fun getFee(amount: Amount, destination: String): Result<List<Amount>> =
-        sender.getFee(amount, destination)
+    override suspend fun getFee(amount: Amount, destination: String): Result<List<Amount>> {
+        val blockchain = walletManager.wallet.blockchain
+        return when (walletManager) {
+            is BitcoinWalletManager -> Result.Success(listOf(
+                Amount(0.0001.toBigDecimal(), blockchain),
+                Amount(0.0003.toBigDecimal(), blockchain),
+                Amount(0.00055.toBigDecimal(), blockchain),
+            ))
+            else -> sender.getFee(amount, destination)
+        }
+    }
+
 
     override suspend fun send(transactionData: TransactionData, signer: TransactionSigner): SimpleResult {
         val dataToSign = randomString(32).toByteArray()
diff --git a/app/src/main/java/com/tangem/tap/features/send/redux/middlewares/RequestFeeMiddleware.kt b/app/src/main/java/com/tangem/tap/features/send/redux/middlewares/RequestFeeMiddleware.kt
index 04d5b420d5..29165f8bad 100644
--- a/app/src/main/java/com/tangem/tap/features/send/redux/middlewares/RequestFeeMiddleware.kt
+++ b/app/src/main/java/com/tangem/tap/features/send/redux/middlewares/RequestFeeMiddleware.kt
@@ -6,6 +6,8 @@ import com.tangem.blockchain.common.TransactionSender
 import com.tangem.blockchain.extensions.Result
 import com.tangem.common.extensions.isZero
 import com.tangem.tap.common.redux.AppState
+import com.tangem.tap.features.demo.DemoTransactionSender
+import com.tangem.tap.features.demo.isDemoWallet
 import com.tangem.tap.features.send.redux.AmountActionUi
 import com.tangem.tap.features.send.redux.FeeAction
 import com.tangem.tap.features.send.redux.ReceiptAction
@@ -38,7 +40,11 @@ class RequestFeeMiddleware {
 
         val destinationAddress = sendState.addressPayIdState.destinationWalletAddress!!
         val destinationAmount = Amount(typedAmount, sendState.amountState.amountToSendCrypto)
-        val txSender = walletManager as TransactionSender
+        val txSender = if (walletManager.isDemoWallet()) {
+            DemoTransactionSender(walletManager)
+        } else {
+            walletManager as TransactionSender
+        }
         scope.launch {
             val feeResult = txSender.getFee(destinationAmount, destinationAddress)
             withContext(Dispatchers.Main) {
@@ -84,15 +90,15 @@ class FeeMock {
         suspend fun feeZero(blockchain: Blockchain): List<Amount> = listOf(Amount(BigDecimal.ZERO, blockchain))
 
         suspend fun feeStandard(blockchain: Blockchain): List<Amount> = listOf(
-                Amount(0.001500.toBigDecimal(), blockchain),
-                Amount(0.0030.toBigDecimal(), blockchain),
-                Amount(0.0045001.toBigDecimal(), blockchain)
+            Amount(0.001500.toBigDecimal(), blockchain),
+            Amount(0.0030.toBigDecimal(), blockchain),
+            Amount(0.0045001.toBigDecimal(), blockchain)
         )
 
         suspend fun feeStandardBig(blockchain: Blockchain): List<Amount> = listOf(
-                Amount(1.76.toBigDecimal(), blockchain),
-                Amount(2.30.toBigDecimal(), blockchain),
-                Amount(3.45.toBigDecimal(), blockchain)
+            Amount(1.76.toBigDecimal(), blockchain),
+            Amount(2.30.toBigDecimal(), blockchain),
+            Amount(3.45.toBigDecimal(), blockchain)
         )
 
         suspend fun feeSingle(blockchain: Blockchain): List<Amount> = listOf(Amount(0.0015.toBigDecimal(), blockchain))