Files
arbiter/useragent/lib/screens/dashboard/evm/evm.dart

101 lines
3.1 KiB
Dart

import 'package:arbiter/proto/evm.pb.dart';
import 'package:arbiter/screens/dashboard/evm/wallets/header.dart';
import 'package:arbiter/screens/dashboard/evm/wallets/table.dart';
import 'package:arbiter/theme/palette.dart';
import 'package:arbiter/providers/evm/evm.dart';
import 'package:arbiter/widgets/page_header.dart';
import 'package:arbiter/widgets/state_panel.dart';
import 'package:auto_route/auto_route.dart';
import 'package:flutter/material.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:sizer/sizer.dart';
@RoutePage()
class EvmScreen extends HookConsumerWidget {
const EvmScreen({super.key});
@override
Widget build(BuildContext context, WidgetRef ref) {
final evm = ref.watch(evmProvider);
final wallets = evm.asData?.value;
final loadedWallets = wallets ?? const <WalletEntry>[];
void showMessage(String message) {
if (!context.mounted) return;
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text(message), behavior: SnackBarBehavior.floating),
);
}
Future<void> refreshWallets() async {
try {
await ref.read(evmProvider.notifier).refreshWallets();
} catch (e) {
showMessage('Failed to refresh wallets: ${_formatError(e)}');
}
}
final content = switch (evm) {
AsyncLoading() when wallets == null => const StatePanel(
icon: Icons.hourglass_top,
title: 'Loading wallets',
body: 'Pulling wallet registry from Arbiter.',
busy: true,
),
AsyncError(:final error) => StatePanel(
icon: Icons.sync_problem,
title: 'Wallet registry unavailable',
body: _formatError(error),
actionLabel: 'Retry',
onAction: refreshWallets,
),
AsyncData(:final value) when value == null => StatePanel(
icon: Icons.portable_wifi_off,
title: 'No active server connection',
body: 'Reconnect to Arbiter to list or create EVM wallets.',
actionLabel: 'Refresh',
onAction: () => refreshWallets(),
),
_ => WalletTable(wallets: loadedWallets),
};
return Scaffold(
body: SafeArea(
child: RefreshIndicator.adaptive(
color: Palette.ink,
backgroundColor: Colors.white,
onRefresh: refreshWallets,
child: ListView(
physics: const BouncingScrollPhysics(
parent: AlwaysScrollableScrollPhysics(),
),
padding: EdgeInsets.fromLTRB(2.4.w, 2.4.h, 2.4.w, 3.2.h),
children: [
PageHeader(
title: 'EVM Wallet Vault',
isBusy: evm.isLoading,
actions: [
const CreateWalletButton(),
SizedBox(width: 1.w),
const RefreshWalletButton(),
],
),
SizedBox(height: 1.8.h),
content,
],
),
),
),
);
}
}
String _formatError(Object error) {
final message = error.toString();
if (message.startsWith('Exception: ')) {
return message.substring('Exception: '.length);
}
return message;
}