stack_wallet/lib/widgets/fee_slider.dart

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import 'dart:math';
import 'package:flutter/material.dart';
import 'package:stackwallet/utilities/enums/coin_enum.dart';
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import 'package:stackwallet/utilities/text_styles.dart';
class FeeSlider extends StatefulWidget {
const FeeSlider({
super.key,
required this.onSatVByteChanged,
required this.coin,
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});
final Coin coin;
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final void Function(int) onSatVByteChanged;
@override
State<FeeSlider> createState() => _FeeSliderState();
}
class _FeeSliderState extends State<FeeSlider> {
static const double min = 1;
static const double max = 4;
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double sliderValue = 0;
int rate = min.toInt();
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@override
Widget build(BuildContext context) {
return Column(
children: [
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Text(
"sat/vByte",
style: STextStyles.smallMed12(context),
),
Text(
"$rate",
style: STextStyles.smallMed12(context),
),
],
),
Slider(
value: sliderValue,
onChanged: (value) {
setState(() {
sliderValue = value;
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();
}
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});
widget.onSatVByteChanged(rate);
},
),
],
);
}
}