feat(evm): add EVM grants screen with create UI and list
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@@ -1,12 +1,16 @@
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import 'package:arbiter/proto/evm.pb.dart';
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import 'package:arbiter/proto/user_agent.pb.dart';
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import 'package:arbiter/providers/evm/evm.dart';
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import 'package:arbiter/providers/evm/evm_grants.dart';
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import 'package:arbiter/providers/sdk_clients/list.dart';
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import 'package:arbiter/providers/sdk_clients/wallet_access_list.dart';
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import 'package:auto_route/auto_route.dart';
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import 'package:fixnum/fixnum.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_hooks/flutter_hooks.dart';
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import 'package:hooks_riverpod/hooks_riverpod.dart';
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import 'package:hooks_riverpod/experimental/mutation.dart';
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import 'package:protobuf/well_known_types/google/protobuf/timestamp.pb.dart';
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import 'package:sizer/sizer.dart';
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@RoutePage()
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@@ -15,11 +19,10 @@ class CreateEvmGrantScreen extends HookConsumerWidget {
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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final wallets = ref.watch(evmProvider).asData?.value ?? const <WalletEntry>[];
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final createMutation = ref.watch(createEvmGrantMutation);
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final selectedWalletIndex = useState<int?>(wallets.isEmpty ? null : 0);
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final clientIdController = useTextEditingController();
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final selectedClientId = useState<int?>(null);
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final selectedWalletAccessId = useState<int?>(null);
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final chainIdController = useTextEditingController(text: '1');
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final gasFeeController = useTextEditingController();
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final priorityFeeController = useTextEditingController();
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@@ -40,14 +43,13 @@ class CreateEvmGrantScreen extends HookConsumerWidget {
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]);
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Future<void> submit() async {
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final selectedWallet = selectedWalletIndex.value;
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if (selectedWallet == null) {
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_showCreateMessage(context, 'At least one wallet is required.');
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final accessId = selectedWalletAccessId.value;
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if (accessId == null) {
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_showCreateMessage(context, 'Select a client and wallet access.');
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return;
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}
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try {
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final clientId = int.parse(clientIdController.text.trim());
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final chainId = Int64.parseInt(chainIdController.text.trim());
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final rateLimit = _buildRateLimit(
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txCountController.text,
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@@ -83,16 +85,25 @@ class CreateEvmGrantScreen extends HookConsumerWidget {
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_ => throw Exception('Unsupported grant type.'),
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};
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final sharedSettings = SharedSettings(
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walletAccessId: accessId,
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chainId: chainId,
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);
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if (validFrom.value != null) {
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sharedSettings.validFrom = _toTimestamp(validFrom.value!);
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}
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if (validUntil.value != null) {
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sharedSettings.validUntil = _toTimestamp(validUntil.value!);
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}
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final gasBytes = _optionalBigIntBytes(gasFeeController.text);
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if (gasBytes != null) sharedSettings.maxGasFeePerGas = gasBytes;
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final priorityBytes = _optionalBigIntBytes(priorityFeeController.text);
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if (priorityBytes != null) sharedSettings.maxPriorityFeePerGas = priorityBytes;
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if (rateLimit != null) sharedSettings.rateLimit = rateLimit;
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await executeCreateEvmGrant(
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ref,
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clientId: clientId,
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walletId: selectedWallet + 1,
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chainId: chainId,
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validFrom: validFrom.value,
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validUntil: validUntil.value,
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maxGasFeePerGas: _optionalBigIntBytes(gasFeeController.text),
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maxPriorityFeePerGas: _optionalBigIntBytes(priorityFeeController.text),
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rateLimit: rateLimit,
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sharedSettings: sharedSettings,
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specific: specific,
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);
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if (!context.mounted) {
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@@ -113,22 +124,23 @@ class CreateEvmGrantScreen extends HookConsumerWidget {
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child: ListView(
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padding: EdgeInsets.fromLTRB(2.4.w, 2.h, 2.4.w, 3.2.h),
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children: [
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_CreateIntroCard(walletCount: wallets.length),
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const _CreateIntroCard(),
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SizedBox(height: 1.8.h),
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_CreateSection(
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title: 'Shared grant options',
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children: [
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_WalletPickerField(
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wallets: wallets,
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selectedIndex: selectedWalletIndex.value,
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onChanged: (value) => selectedWalletIndex.value = value,
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_ClientPickerField(
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selectedClientId: selectedClientId.value,
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onChanged: (clientId) {
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selectedClientId.value = clientId;
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selectedWalletAccessId.value = null;
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},
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),
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_NumberInputField(
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controller: clientIdController,
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label: 'Client ID',
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hint: '42',
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helper:
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'Manual for now. The app does not yet expose a client picker.',
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_WalletAccessPickerField(
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selectedClientId: selectedClientId.value,
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selectedAccessId: selectedWalletAccessId.value,
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onChanged: (accessId) =>
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selectedWalletAccessId.value = accessId,
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),
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_NumberInputField(
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controller: chainIdController,
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@@ -204,9 +216,7 @@ class CreateEvmGrantScreen extends HookConsumerWidget {
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}
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class _CreateIntroCard extends StatelessWidget {
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const _CreateIntroCard({required this.walletCount});
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final int walletCount;
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const _CreateIntroCard();
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@override
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Widget build(BuildContext context) {
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@@ -222,7 +232,7 @@ class _CreateIntroCard extends StatelessWidget {
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border: Border.all(color: const Color(0x1A17324A)),
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),
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child: Text(
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'Compose shared constraints once, then switch between Ether and token transfer rules. $walletCount wallet${walletCount == 1 ? '' : 's'} currently available.',
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'Pick a client, then select one of the wallet accesses already granted to it. Compose shared constraints once, then switch between Ether and token transfer rules.',
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style: Theme.of(context).textTheme.bodyLarge?.copyWith(height: 1.5),
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),
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);
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@@ -266,37 +276,98 @@ class _CreateSection extends StatelessWidget {
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}
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}
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class _WalletPickerField extends StatelessWidget {
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const _WalletPickerField({
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required this.wallets,
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required this.selectedIndex,
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class _ClientPickerField extends ConsumerWidget {
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const _ClientPickerField({
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required this.selectedClientId,
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required this.onChanged,
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});
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final List<WalletEntry> wallets;
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final int? selectedIndex;
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final int? selectedClientId;
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final ValueChanged<int?> onChanged;
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@override
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Widget build(BuildContext context) {
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Widget build(BuildContext context, WidgetRef ref) {
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final clients =
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ref.watch(sdkClientsProvider).asData?.value ?? const <SdkClientEntry>[];
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return DropdownButtonFormField<int>(
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initialValue: selectedIndex,
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value: clients.any((c) => c.id == selectedClientId)
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? selectedClientId
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: null,
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decoration: const InputDecoration(
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labelText: 'Wallet',
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helperText:
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'Uses the current wallet order. The API still does not expose stable wallet IDs directly.',
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labelText: 'Client',
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border: OutlineInputBorder(),
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),
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items: [
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for (var i = 0; i < wallets.length; i++)
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for (final c in clients)
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DropdownMenuItem(
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value: i,
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value: c.id,
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child: Text(
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'Wallet ${(i + 1).toString().padLeft(2, '0')} · ${_shortAddress(wallets[i].address)}',
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c.info.name.isEmpty ? 'Client #${c.id}' : c.info.name,
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),
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),
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],
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onChanged: wallets.isEmpty ? null : onChanged,
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onChanged: clients.isEmpty ? null : onChanged,
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);
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}
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}
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class _WalletAccessPickerField extends ConsumerWidget {
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const _WalletAccessPickerField({
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required this.selectedClientId,
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required this.selectedAccessId,
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required this.onChanged,
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});
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final int? selectedClientId;
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final int? selectedAccessId;
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final ValueChanged<int?> onChanged;
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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final allAccesses =
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ref.watch(walletAccessListProvider).asData?.value ??
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const <SdkClientWalletAccess>[];
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final wallets =
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ref.watch(evmProvider).asData?.value ?? const <WalletEntry>[];
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final walletById = <int, WalletEntry>{
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for (final w in wallets) w.id: w,
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};
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final accesses = selectedClientId == null
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? const <SdkClientWalletAccess>[]
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: allAccesses
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.where((a) => a.access.sdkClientId == selectedClientId)
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.toList();
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final effectiveValue =
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accesses.any((a) => a.id == selectedAccessId) ? selectedAccessId : null;
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return DropdownButtonFormField<int>(
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value: effectiveValue,
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decoration: InputDecoration(
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labelText: 'Wallet access',
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helperText: selectedClientId == null
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? 'Select a client first'
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: accesses.isEmpty
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? 'No wallet accesses for this client'
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: null,
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border: const OutlineInputBorder(),
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),
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items: [
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for (final a in accesses)
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DropdownMenuItem(
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value: a.id,
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child: Text(() {
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final wallet = walletById[a.access.walletId];
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return wallet != null
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? _shortAddress(wallet.address)
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: 'Wallet #${a.access.walletId}';
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}()),
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),
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],
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onChanged: accesses.isEmpty ? null : onChanged,
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);
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}
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}
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@@ -735,6 +806,13 @@ class _VolumeLimitValue {
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}
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}
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Timestamp _toTimestamp(DateTime value) {
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final utc = value.toUtc();
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return Timestamp()
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..seconds = Int64(utc.millisecondsSinceEpoch ~/ 1000)
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..nanos = (utc.microsecondsSinceEpoch % 1000000) * 1000;
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}
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TransactionRateLimit? _buildRateLimit(String countText, String windowText) {
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if (countText.trim().isEmpty || windowText.trim().isEmpty) {
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return null;
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231
useragent/lib/screens/dashboard/evm/grants/grants.dart
Normal file
231
useragent/lib/screens/dashboard/evm/grants/grants.dart
Normal file
@@ -0,0 +1,231 @@
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import 'package:arbiter/proto/evm.pb.dart';
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import 'package:arbiter/providers/evm/evm_grants.dart';
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import 'package:arbiter/providers/sdk_clients/wallet_access_list.dart';
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import 'package:arbiter/router.gr.dart';
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import 'package:arbiter/screens/dashboard/evm/grants/widgets/grant_card.dart';
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import 'package:arbiter/theme/palette.dart';
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import 'package:arbiter/widgets/page_header.dart';
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import 'package:auto_route/auto_route.dart';
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import 'package:flutter/material.dart';
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import 'package:hooks_riverpod/hooks_riverpod.dart';
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import 'package:sizer/sizer.dart';
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String _formatError(Object error) {
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final message = error.toString();
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if (message.startsWith('Exception: ')) {
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return message.substring('Exception: '.length);
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}
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return message;
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}
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// ─── State panel ──────────────────────────────────────────────────────────────
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class _StatePanel extends StatelessWidget {
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const _StatePanel({
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required this.icon,
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required this.title,
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required this.body,
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this.actionLabel,
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this.onAction,
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this.busy = false,
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});
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final IconData icon;
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final String title;
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final String body;
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final String? actionLabel;
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final Future<void> Function()? onAction;
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final bool busy;
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@override
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Widget build(BuildContext context) {
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final theme = Theme.of(context);
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return Container(
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decoration: BoxDecoration(
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borderRadius: BorderRadius.circular(24),
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color: Palette.cream.withValues(alpha: 0.92),
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border: Border.all(color: Palette.line),
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),
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child: Padding(
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padding: EdgeInsets.all(2.8.h),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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if (busy)
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SizedBox(
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width: 2.8.h,
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height: 2.8.h,
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child: const CircularProgressIndicator(strokeWidth: 2.5),
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)
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else
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Icon(icon, size: 34, color: Palette.coral),
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SizedBox(height: 1.8.h),
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Text(
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title,
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style: theme.textTheme.headlineSmall?.copyWith(
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color: Palette.ink,
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fontWeight: FontWeight.w800,
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),
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),
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SizedBox(height: 1.h),
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Text(
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body,
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style: theme.textTheme.bodyLarge?.copyWith(
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color: Palette.ink.withValues(alpha: 0.72),
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height: 1.5,
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),
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),
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if (actionLabel != null && onAction != null) ...[
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SizedBox(height: 2.h),
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OutlinedButton.icon(
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onPressed: () => onAction!(),
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icon: const Icon(Icons.refresh),
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label: Text(actionLabel!),
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),
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],
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],
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),
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),
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);
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}
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}
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// ─── Grant list ───────────────────────────────────────────────────────────────
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class _GrantList extends StatelessWidget {
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const _GrantList({required this.grants});
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final List<GrantEntry> grants;
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@override
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Widget build(BuildContext context) {
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return Column(
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children: [
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for (var i = 0; i < grants.length; i++)
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Padding(
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padding: EdgeInsets.only(
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bottom: i == grants.length - 1 ? 0 : 1.8.h,
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),
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child: GrantCard(grant: grants[i]),
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),
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],
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);
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}
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}
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// ─── Screen ───────────────────────────────────────────────────────────────────
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@RoutePage()
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class EvmGrantsScreen extends ConsumerWidget {
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const EvmGrantsScreen({super.key});
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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// Screen watches only the grant list for top-level state decisions
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final grantsAsync = ref.watch(evmGrantsProvider);
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Future<void> refresh() async {
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ref.invalidate(walletAccessListProvider);
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ref.invalidate(evmGrantsProvider);
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}
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void showMessage(String message) {
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if (!context.mounted) return;
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text(message), behavior: SnackBarBehavior.floating),
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);
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}
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Future<void> safeRefresh() async {
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try {
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await refresh();
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} catch (e) {
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showMessage(_formatError(e));
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}
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}
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final grantsState = grantsAsync.asData?.value;
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final grants = grantsState?.grants;
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final content = switch (grantsAsync) {
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AsyncLoading() when grantsState == null => const _StatePanel(
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icon: Icons.hourglass_top,
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title: 'Loading grants',
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body: 'Pulling grant registry from Arbiter.',
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busy: true,
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),
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AsyncError(:final error) => _StatePanel(
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icon: Icons.sync_problem,
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title: 'Grant registry unavailable',
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body: _formatError(error),
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actionLabel: 'Retry',
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onAction: safeRefresh,
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),
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AsyncData(:final value) when value == null => _StatePanel(
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icon: Icons.portable_wifi_off,
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title: 'No active server connection',
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body: 'Reconnect to Arbiter to list EVM grants.',
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actionLabel: 'Refresh',
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onAction: safeRefresh,
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),
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_ when grants != null && grants.isEmpty => _StatePanel(
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icon: Icons.policy_outlined,
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title: 'No grants yet',
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body: 'Create a grant to allow SDK clients to sign transactions.',
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actionLabel: 'Create grant',
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onAction: () async => context.router.push(const CreateEvmGrantRoute()),
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),
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_ => _GrantList(grants: grants ?? const []),
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};
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return Scaffold(
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body: SafeArea(
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child: RefreshIndicator.adaptive(
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color: Palette.ink,
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backgroundColor: Colors.white,
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onRefresh: safeRefresh,
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child: ListView(
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physics: const BouncingScrollPhysics(
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parent: AlwaysScrollableScrollPhysics(),
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),
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padding: EdgeInsets.fromLTRB(2.4.w, 2.4.h, 2.4.w, 3.2.h),
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children: [
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PageHeader(
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title: 'EVM Grants',
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isBusy: grantsAsync.isLoading,
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actions: [
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FilledButton.icon(
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onPressed: () =>
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||||
context.router.push(const CreateEvmGrantRoute()),
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||||
icon: const Icon(Icons.add_rounded),
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||||
label: const Text('Create grant'),
|
||||
),
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||||
SizedBox(width: 1.w),
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||||
OutlinedButton.icon(
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||||
onPressed: safeRefresh,
|
||||
style: OutlinedButton.styleFrom(
|
||||
foregroundColor: Palette.ink,
|
||||
side: BorderSide(color: Palette.line),
|
||||
padding: EdgeInsets.symmetric(
|
||||
horizontal: 1.4.w,
|
||||
vertical: 1.2.h,
|
||||
),
|
||||
shape: RoundedRectangleBorder(
|
||||
borderRadius: BorderRadius.circular(14),
|
||||
),
|
||||
),
|
||||
icon: const Icon(Icons.refresh, size: 18),
|
||||
label: const Text('Refresh'),
|
||||
),
|
||||
],
|
||||
),
|
||||
SizedBox(height: 1.8.h),
|
||||
content,
|
||||
],
|
||||
),
|
||||
),
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,225 @@
|
||||
import 'package:arbiter/proto/evm.pb.dart';
|
||||
import 'package:arbiter/proto/user_agent.pb.dart';
|
||||
import 'package:arbiter/providers/evm/evm.dart';
|
||||
import 'package:arbiter/providers/evm/evm_grants.dart';
|
||||
import 'package:arbiter/providers/sdk_clients/list.dart';
|
||||
import 'package:arbiter/providers/sdk_clients/wallet_access_list.dart';
|
||||
import 'package:arbiter/theme/palette.dart';
|
||||
import 'package:flutter/material.dart';
|
||||
import 'package:hooks_riverpod/experimental/mutation.dart';
|
||||
import 'package:hooks_riverpod/hooks_riverpod.dart';
|
||||
import 'package:sizer/sizer.dart';
|
||||
|
||||
String _shortAddress(List<int> bytes) {
|
||||
final hex = bytes.map((b) => b.toRadixString(16).padLeft(2, '0')).join();
|
||||
return '0x${hex.substring(0, 6)}...${hex.substring(hex.length - 4)}';
|
||||
}
|
||||
|
||||
String _formatError(Object error) {
|
||||
final message = error.toString();
|
||||
if (message.startsWith('Exception: ')) {
|
||||
return message.substring('Exception: '.length);
|
||||
}
|
||||
return message;
|
||||
}
|
||||
|
||||
class GrantCard extends ConsumerWidget {
|
||||
const GrantCard({super.key, required this.grant});
|
||||
|
||||
final GrantEntry grant;
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context, WidgetRef ref) {
|
||||
// Enrichment lookups — each watch scopes rebuilds to this card only
|
||||
final walletAccesses =
|
||||
ref.watch(walletAccessListProvider).asData?.value ?? const [];
|
||||
final wallets = ref.watch(evmProvider).asData?.value ?? const [];
|
||||
final clients = ref.watch(sdkClientsProvider).asData?.value ?? const [];
|
||||
final revoking = ref.watch(revokeEvmGrantMutation) is MutationPending;
|
||||
|
||||
final isEther =
|
||||
grant.specific.whichGrant() == SpecificGrant_Grant.etherTransfer;
|
||||
final accent = isEther ? Palette.coral : Palette.token;
|
||||
final typeLabel = isEther ? 'Ether' : 'Token';
|
||||
final theme = Theme.of(context);
|
||||
final muted = Palette.ink.withValues(alpha: 0.62);
|
||||
|
||||
// Resolve wallet_access_id → wallet address + client name
|
||||
final accessById = <int, SdkClientWalletAccess>{
|
||||
for (final a in walletAccesses) a.id: a,
|
||||
};
|
||||
final walletById = <int, WalletEntry>{
|
||||
for (final w in wallets) w.id: w,
|
||||
};
|
||||
final clientNameById = <int, String>{
|
||||
for (final c in clients) c.id: c.info.name,
|
||||
};
|
||||
|
||||
final accessId = grant.shared.walletAccessId;
|
||||
final access = accessById[accessId];
|
||||
final wallet = access != null ? walletById[access.access.walletId] : null;
|
||||
|
||||
final walletLabel = wallet != null
|
||||
? _shortAddress(wallet.address)
|
||||
: 'Access #$accessId';
|
||||
|
||||
final clientLabel = () {
|
||||
if (access == null) return '';
|
||||
final name = clientNameById[access.access.sdkClientId] ?? '';
|
||||
return name.isEmpty ? 'Client #${access.access.sdkClientId}' : name;
|
||||
}();
|
||||
|
||||
void showError(String message) {
|
||||
if (!context.mounted) return;
|
||||
ScaffoldMessenger.of(context).showSnackBar(
|
||||
SnackBar(content: Text(message), behavior: SnackBarBehavior.floating),
|
||||
);
|
||||
}
|
||||
|
||||
Future<void> revoke() async {
|
||||
try {
|
||||
await executeRevokeEvmGrant(ref, grantId: grant.id);
|
||||
} catch (e) {
|
||||
showError(_formatError(e));
|
||||
}
|
||||
}
|
||||
|
||||
return Container(
|
||||
decoration: BoxDecoration(
|
||||
borderRadius: BorderRadius.circular(24),
|
||||
color: Palette.cream.withValues(alpha: 0.92),
|
||||
border: Border.all(color: Palette.line),
|
||||
),
|
||||
child: IntrinsicHeight(
|
||||
child: Row(
|
||||
crossAxisAlignment: CrossAxisAlignment.stretch,
|
||||
children: [
|
||||
// Accent strip
|
||||
Container(
|
||||
width: 0.8.w,
|
||||
decoration: BoxDecoration(
|
||||
color: accent,
|
||||
borderRadius: const BorderRadius.horizontal(
|
||||
left: Radius.circular(24),
|
||||
),
|
||||
),
|
||||
),
|
||||
// Card body
|
||||
Expanded(
|
||||
child: Padding(
|
||||
padding: EdgeInsets.symmetric(
|
||||
horizontal: 1.6.w,
|
||||
vertical: 1.4.h,
|
||||
),
|
||||
child: Column(
|
||||
crossAxisAlignment: CrossAxisAlignment.start,
|
||||
children: [
|
||||
// Row 1: type badge · chain · spacer · revoke button
|
||||
Row(
|
||||
children: [
|
||||
Container(
|
||||
padding: EdgeInsets.symmetric(
|
||||
horizontal: 1.w,
|
||||
vertical: 0.4.h,
|
||||
),
|
||||
decoration: BoxDecoration(
|
||||
color: accent.withValues(alpha: 0.15),
|
||||
borderRadius: BorderRadius.circular(8),
|
||||
),
|
||||
child: Text(
|
||||
typeLabel,
|
||||
style: theme.textTheme.labelSmall?.copyWith(
|
||||
color: accent,
|
||||
fontWeight: FontWeight.w800,
|
||||
),
|
||||
),
|
||||
),
|
||||
SizedBox(width: 1.w),
|
||||
Container(
|
||||
padding: EdgeInsets.symmetric(
|
||||
horizontal: 1.w,
|
||||
vertical: 0.4.h,
|
||||
),
|
||||
decoration: BoxDecoration(
|
||||
color: Palette.ink.withValues(alpha: 0.06),
|
||||
borderRadius: BorderRadius.circular(8),
|
||||
),
|
||||
child: Text(
|
||||
'Chain ${grant.shared.chainId}',
|
||||
style: theme.textTheme.labelSmall?.copyWith(
|
||||
color: muted,
|
||||
fontWeight: FontWeight.w700,
|
||||
),
|
||||
),
|
||||
),
|
||||
const Spacer(),
|
||||
if (revoking)
|
||||
SizedBox(
|
||||
width: 1.8.h,
|
||||
height: 1.8.h,
|
||||
child: CircularProgressIndicator(
|
||||
strokeWidth: 2,
|
||||
color: Palette.coral,
|
||||
),
|
||||
)
|
||||
else
|
||||
OutlinedButton.icon(
|
||||
onPressed: revoke,
|
||||
style: OutlinedButton.styleFrom(
|
||||
foregroundColor: Palette.coral,
|
||||
side: BorderSide(
|
||||
color: Palette.coral.withValues(alpha: 0.4),
|
||||
),
|
||||
padding: EdgeInsets.symmetric(
|
||||
horizontal: 1.w,
|
||||
vertical: 0.6.h,
|
||||
),
|
||||
shape: RoundedRectangleBorder(
|
||||
borderRadius: BorderRadius.circular(10),
|
||||
),
|
||||
),
|
||||
icon: const Icon(Icons.block_rounded, size: 16),
|
||||
label: const Text('Revoke'),
|
||||
),
|
||||
],
|
||||
),
|
||||
SizedBox(height: 0.8.h),
|
||||
// Row 2: wallet address · client name
|
||||
Row(
|
||||
children: [
|
||||
Text(
|
||||
walletLabel,
|
||||
style: theme.textTheme.bodySmall?.copyWith(
|
||||
color: Palette.ink,
|
||||
fontFamily: 'monospace',
|
||||
),
|
||||
),
|
||||
Padding(
|
||||
padding: EdgeInsets.symmetric(horizontal: 0.8.w),
|
||||
child: Text(
|
||||
'·',
|
||||
style: theme.textTheme.bodySmall
|
||||
?.copyWith(color: muted),
|
||||
),
|
||||
),
|
||||
Expanded(
|
||||
child: Text(
|
||||
clientLabel,
|
||||
maxLines: 1,
|
||||
overflow: TextOverflow.ellipsis,
|
||||
style: theme.textTheme.bodySmall
|
||||
?.copyWith(color: muted),
|
||||
),
|
||||
),
|
||||
],
|
||||
),
|
||||
],
|
||||
),
|
||||
),
|
||||
),
|
||||
],
|
||||
),
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user