From c1faead0ab31b3413a6b922f87ef0de003200c5c Mon Sep 17 00:00:00 2001
From: Serhii <borodenko.sv@gmail.com>
Date: Tue, 15 Aug 2023 13:53:52 +0300
Subject: [PATCH] fix send and unspent screen

---
 cw_bitcoin/lib/electrum_wallet.dart           |  6 +-----
 cw_bitcoin/lib/electrum_wallet_addresses.dart | 17 +++++++++--------
 lib/view_model/send/send_view_model.dart      |  4 +++-
 3 files changed, 13 insertions(+), 14 deletions(-)

diff --git a/cw_bitcoin/lib/electrum_wallet.dart b/cw_bitcoin/lib/electrum_wallet.dart
index ad998c724..3bafcf773 100644
--- a/cw_bitcoin/lib/electrum_wallet.dart
+++ b/cw_bitcoin/lib/electrum_wallet.dart
@@ -667,11 +667,7 @@ abstract class ElectrumWalletBase
   Future<ElectrumBalance> _fetchBalances() async {
     final addresses = walletAddresses.addresses.toList();
     final balanceFutures = <Future<Map<String, dynamic>>>[];
-    var counter = addresses.length;
-
-    if (walletInfo.type == WalletType.bitcoinCash) counter = 1; //TODO: BCH: remove this check when supported
-
-    for (var i = 0; i < counter; i++) {
+    for (var i = 0; i < addresses.length; i++) {
       final addressRecord = addresses[i];
       final sh = scriptHash(addressRecord.address, networkType: networkType);
       final balanceFuture = electrumClient.getBalance(sh);
diff --git a/cw_bitcoin/lib/electrum_wallet_addresses.dart b/cw_bitcoin/lib/electrum_wallet_addresses.dart
index 741c2fe1c..4aacbef8d 100644
--- a/cw_bitcoin/lib/electrum_wallet_addresses.dart
+++ b/cw_bitcoin/lib/electrum_wallet_addresses.dart
@@ -4,6 +4,7 @@ import 'package:cw_bitcoin/electrum.dart';
 import 'package:cw_bitcoin/script_hash.dart';
 import 'package:cw_core/wallet_addresses.dart';
 import 'package:cw_core/wallet_info.dart';
+import 'package:cw_core/wallet_type.dart';
 import 'package:mobx/mobx.dart';
 
 part 'electrum_wallet_addresses.g.dart';
@@ -108,7 +109,7 @@ abstract class ElectrumWalletAddressesBase extends WalletAddresses with Store {
     
     if (changeAddresses.isEmpty) {
       final newAddresses = await _createNewAddresses(
-        gap,
+          (walletInfo.type != WalletType.bitcoinCash ? gap : 0), //TODO: BCH: Fix this
         hd: sideHd,
         startIndex: totalCountOfChangeAddresses > 0
           ? totalCountOfChangeAddresses -  1
@@ -179,8 +180,8 @@ abstract class ElectrumWalletAddressesBase extends WalletAddresses with Store {
     } else {
       addrs = await _createNewAddresses(
           isHidden
-            ? defaultChangeAddressesCount
-            : defaultReceiveAddressesCount,
+            ? walletInfo.type != WalletType.bitcoinCash ? defaultChangeAddressesCount : 0 //TODO: BCH: Fix this
+            : walletInfo.type != WalletType.bitcoinCash ? defaultReceiveAddressesCount : 1, //TODO: BCH: Fix this
           startIndex: 0,
           hd: hd,
           isHidden: isHidden);
@@ -195,7 +196,7 @@ abstract class ElectrumWalletAddressesBase extends WalletAddresses with Store {
       }
 
       final start = addrs.length;
-      final count = start + gap;
+      final count = start + (walletInfo.type != WalletType.bitcoinCash ? gap : 0); //TODO: BCH: Fix this
       final batch = await _createNewAddresses(
         count,
         startIndex: start,
@@ -222,8 +223,8 @@ abstract class ElectrumWalletAddressesBase extends WalletAddresses with Store {
       countOfReceiveAddresses += 1;
     });
 
-    if (countOfReceiveAddresses < defaultReceiveAddressesCount) {
-      final addressesCount = defaultReceiveAddressesCount - countOfReceiveAddresses;
+    if (countOfReceiveAddresses < (walletInfo.type != WalletType.bitcoinCash ? defaultReceiveAddressesCount : 1)) { //TODO: BCH: Fix this
+      final addressesCount = (walletInfo.type != WalletType.bitcoinCash ? defaultReceiveAddressesCount : 1) - countOfReceiveAddresses;
       final newAddresses = await _createNewAddresses(
           addressesCount,
           startIndex: countOfReceiveAddresses,
@@ -232,8 +233,8 @@ abstract class ElectrumWalletAddressesBase extends WalletAddresses with Store {
       addresses.addAll(newAddresses);
     }
 
-    if (countOfHiddenAddresses < defaultChangeAddressesCount) {
-      final addressesCount = defaultChangeAddressesCount - countOfHiddenAddresses;
+    if (countOfHiddenAddresses < (walletInfo.type != WalletType.bitcoinCash ? defaultChangeAddressesCount : 0)) { //TODO: BCH: Fix this
+      final addressesCount = (walletInfo.type != WalletType.bitcoinCash ? defaultChangeAddressesCount : 0) - countOfHiddenAddresses;
       final newAddresses = await _createNewAddresses(
           addressesCount,
           startIndex: countOfHiddenAddresses,
diff --git a/lib/view_model/send/send_view_model.dart b/lib/view_model/send/send_view_model.dart
index dfec89f43..2caf1acb4 100644
--- a/lib/view_model/send/send_view_model.dart
+++ b/lib/view_model/send/send_view_model.dart
@@ -174,7 +174,9 @@ abstract class SendViewModelBase with Store {
 
   @computed
   bool get isElectrumWallet =>
-      _wallet.type == WalletType.bitcoin || _wallet.type == WalletType.litecoin;
+      _wallet.type == WalletType.bitcoin ||
+          _wallet.type == WalletType.litecoin ||
+          _wallet.type == WalletType.bitcoinCash;
 
   @observable
   CryptoCurrency selectedCryptoCurrency;