From ab9e734b8056a72982ab450283c7a2b788834f62 Mon Sep 17 00:00:00 2001
From: julian <julian@cypherstack.com>
Date: Tue, 4 Jul 2023 10:25:13 -0600
Subject: [PATCH] fix: dogecoin custom fee slider and possible absurd fees
 error

---
 lib/pages/send_view/send_view.dart             |  1 +
 .../wallet_view/sub_widgets/desktop_send.dart  |  1 +
 .../coins/dogecoin/dogecoin_wallet.dart        |  5 ++++-
 lib/widgets/fee_slider.dart                    | 18 ++++++++++++++----
 4 files changed, 20 insertions(+), 5 deletions(-)

diff --git a/lib/pages/send_view/send_view.dart b/lib/pages/send_view/send_view.dart
index 0f503588c..1570ea01d 100644
--- a/lib/pages/send_view/send_view.dart
+++ b/lib/pages/send_view/send_view.dart
@@ -2065,6 +2065,7 @@ class _SendViewState extends ConsumerState<SendView> {
                                 top: 16,
                               ),
                               child: FeeSlider(
+                                coin: coin,
                                 onSatVByteChanged: (rate) {
                                   customFeeRate = rate;
                                 },
diff --git a/lib/pages_desktop_specific/my_stack_view/wallet_view/sub_widgets/desktop_send.dart b/lib/pages_desktop_specific/my_stack_view/wallet_view/sub_widgets/desktop_send.dart
index a6d58c667..0488358a7 100644
--- a/lib/pages_desktop_specific/my_stack_view/wallet_view/sub_widgets/desktop_send.dart
+++ b/lib/pages_desktop_specific/my_stack_view/wallet_view/sub_widgets/desktop_send.dart
@@ -1564,6 +1564,7 @@ class _DesktopSendState extends ConsumerState<DesktopSend> {
               top: 16,
             ),
             child: FeeSlider(
+              coin: coin,
               onSatVByteChanged: (rate) {
                 customFeeRate = rate;
               },
diff --git a/lib/services/coins/dogecoin/dogecoin_wallet.dart b/lib/services/coins/dogecoin/dogecoin_wallet.dart
index bfb8251bc..754834ad1 100644
--- a/lib/services/coins/dogecoin/dogecoin_wallet.dart
+++ b/lib/services/coins/dogecoin/dogecoin_wallet.dart
@@ -2665,7 +2665,10 @@ class DogecoinWallet extends CoinServiceAPI
     Logging.instance
         .log("Starting buildTransaction ----------", level: LogLevel.Info);
 
-    final txb = TransactionBuilder(network: network);
+    final txb = TransactionBuilder(
+      network: network,
+      maximumFeeRate: 2500000, // 1000x default value in bitcoindart lib
+    );
     txb.setVersion(1);
 
     // Add transaction inputs
diff --git a/lib/widgets/fee_slider.dart b/lib/widgets/fee_slider.dart
index 118cd7a85..d125988f3 100644
--- a/lib/widgets/fee_slider.dart
+++ b/lib/widgets/fee_slider.dart
@@ -1,14 +1,17 @@
 import 'dart:math';
 
 import 'package:flutter/material.dart';
+import 'package:stackwallet/utilities/enums/coin_enum.dart';
 import 'package:stackwallet/utilities/text_styles.dart';
 
 class FeeSlider extends StatefulWidget {
   const FeeSlider({
     super.key,
     required this.onSatVByteChanged,
+    required this.coin,
   });
 
+  final Coin coin;
   final void Function(int) onSatVByteChanged;
 
   @override
@@ -16,12 +19,12 @@ class FeeSlider extends StatefulWidget {
 }
 
 class _FeeSliderState extends State<FeeSlider> {
-  static const int min = 1;
-  static const int max = 4;
+  static const double min = 1;
+  static const double max = 4;
 
   double sliderValue = 0;
 
-  int rate = min;
+  int rate = min.toInt();
 
   @override
   Widget build(BuildContext context) {
@@ -45,7 +48,14 @@ class _FeeSliderState extends State<FeeSlider> {
           onChanged: (value) {
             setState(() {
               sliderValue = value;
-              rate = pow(sliderValue * (max - min) + min, 4).toInt();
+              final number = pow(sliderValue * (max - min) + min, 4).toDouble();
+              switch (widget.coin) {
+                case Coin.dogecoin:
+                case Coin.dogecoinTestNet:
+                  rate = (number * 1000).toInt();
+                default:
+                  rate = number.toInt();
+              }
             });
             widget.onSatVByteChanged(rate);
           },