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Multisig lounge frontend #785

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223419c
clients/bitwindow: multisig lounge frontend
Apr 19, 2025
3f2cf03
clients/bitwindow: basic create multisig modal
Apr 20, 2025
b588452
bitwindow: fix lint
Apr 23, 2025
a6c2cf9
bitwindow/multisig: write multisig conf to op return
Apr 25, 2025
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130 changes: 125 additions & 5 deletions bitwindow/lib/pages/wallet_page.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,7 @@ import 'package:sail_ui/providers/balance_provider.dart';
import 'package:sail_ui/rpcs/bitwindow_api.dart';
import 'package:sail_ui/sail_ui.dart';
import 'package:stacked/stacked.dart';
import 'package:bitwindow/widgets/create_multisig_modal.dart';

@RoutePage()
class WalletPage extends StatelessWidget {
Expand Down Expand Up @@ -2460,11 +2461,130 @@ class MultisigLoungeTab extends StatelessWidget {
return SailCard(
title: 'Multisig Lounge',
subtitle: 'Create and manage multi-signature wallets',
child: Center(
child: SailText.primary15(
'Multisig functionality coming soon...',
color: context.sailTheme.colors.textTertiary,
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Center(
child: SailText.primary13('Lounges'),
),
SailSpacing(SailStyleValues.padding08),
Expanded(
child: Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Expanded(
child: SailTable(
getRowId: (index) => 'empty$index',
headerBuilder: (context) => [
const SailTableHeaderCell(name: 'Name'),
const SailTableHeaderCell(name: 'ID'),
const SailTableHeaderCell(name: 'Total Keys'),
const SailTableHeaderCell(name: 'Keys Required'),
const SailTableHeaderCell(name: 'Participants'),
],
rowBuilder: (context, row, selected) {
return [
const SailTableCell(value: 'Multisig functionality coming soon...'),
const SailTableCell(value: ''),
const SailTableCell(value: ''),
const SailTableCell(value: ''),
const SailTableCell(value: ''),
];
},
rowCount: 1,
columnWidths: const [-1, -1, -1, -1, -1],
drawGrid: true,
),
),
const SizedBox(width: SailStyleValues.padding16),
Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
crossAxisAlignment: CrossAxisAlignment.center,
children: [
SailButton(
label: 'Create New Lounge',
onPressed: () async {
showDialog(
context: context,
builder: (context) => const CreateMultisigModal(),
);
},
variant: ButtonVariant.primary,
),
],
),
),
],
),
),
SailSpacing(SailStyleValues.padding32),
Center(
child: SailText.primary13('Transaction History'),
),
SailSpacing(SailStyleValues.padding08),
Expanded(
child: Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Expanded(
child: SailTable(
getRowId: (index) => 'tx_empty$index',
headerBuilder: (context) => [
const SailTableHeaderCell(name: 'Lounge'),
const SailTableHeaderCell(name: 'MuTxid'),
const SailTableHeaderCell(name: 'Status'),
const SailTableHeaderCell(name: 'Action'),
const SailTableHeaderCell(name: 'Bitcoin Txid'),
],
rowBuilder: (context, row, selected) {
return [
const SailTableCell(value: 'Multisig functionality coming soon...'),
const SailTableCell(value: ''),
const SailTableCell(value: ''),
const SailTableCell(value: ''),
const SailTableCell(value: ''),
];
},
rowCount: 1,
columnWidths: const [-1, -1, -1, -1, -1],
drawGrid: true,
),
),
const SizedBox(width: SailStyleValues.padding16),
Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
crossAxisAlignment: CrossAxisAlignment.center,
children: [
Center(
child: SailText.primary13('Transaction Tools'),
),
SailSpacing(SailStyleValues.padding08),
SailButton(
label: 'Create Transaction',
onPressed: null,
variant: ButtonVariant.secondary,
),
SailSpacing(SailStyleValues.padding08),
SailButton(
label: 'Sign and Send',
onPressed: null,
variant: ButtonVariant.secondary,
),
SailSpacing(SailStyleValues.padding08),
SailButton(
label: 'Finalize and Broadcast',
onPressed: null,
variant: ButtonVariant.secondary,
),
],
),
),
],
),
),
],
),
);
}
Expand Down
133 changes: 126 additions & 7 deletions bitwindow/lib/providers/bitdrive_provider.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -75,6 +75,13 @@ class BitDriveProvider extends ChangeNotifier {
static const String AUTH_KEY_PATH = "m/44'/0'/0'/$BITDRIVE_DERIVATION_INDEX/1";
static const int AUTH_TAG_SIZE = 8; // 8 bytes auth tag

// File type flags (encoded in first byte of metadata)
static const int FLAG_STANDARD = 0; // 0000 0000
static const int FLAG_ENCRYPTED = 1; // 0000 0001
static const int FLAG_MULTISIG = 2; // 0000 0010
// Combined flags
static const int FLAG_ENCRYPTED_MULTISIG = 3; // 0000 0011 (ENCRYPTED | MULTISIG)

BitDriveProvider() {
// Listen for blockchain sync status changes
blockchainProvider.addListener(_onSyncStatusChanged);
Expand Down Expand Up @@ -270,7 +277,9 @@ class BitDriveProvider extends ChangeNotifier {
if (metadataBytes.length != 9) continue;

final metadata = ByteData.view(Uint8List.fromList(metadataBytes).buffer);
final isEncrypted = metadata.getUint8(0) == 1;
final flagByte = metadata.getUint8(0);
final isEncrypted = (flagByte & FLAG_ENCRYPTED) != 0;
final isMultisig = (flagByte & FLAG_MULTISIG) != 0;
final timestamp = metadata.getUint32(1);
final fileType = utf8.decode(metadataBytes.sublist(5, 9)).trim();

Expand All @@ -283,6 +292,107 @@ class BitDriveProvider extends ChangeNotifier {
final content = isEncrypted ? await _decryptContent(contentBytes, timestamp, fileType) : contentBytes;

await file.writeAsBytes(content);

// Process multisig configuration files using the dedicated flag
if (isMultisig && fileType == 'txt' || fileType == 'jsn' || fileType == 'jso') {
try {
final contentStr = utf8.decode(content);
final json = jsonDecode(contentStr);

// Check if this is a valid multisig configuration
if (json is Map && json.containsKey('p') && json.containsKey('name') && json.containsKey('keys')) {
log.i('BitDrive: Found multisig configuration (flagged)');

// Ensure multisig directory exists
final multisigDir = path.join(_bitdriveDir!, 'multisig');
final dir = Directory(multisigDir);
if (!await dir.exists()) {
await dir.create(recursive: true);
}

// Write multisig configuration to multisig directory
final p = json['p'];
final name = json['name'];

// Add entry to config file
final configFile = File(path.join(multisigDir, 'multisig.conf'));
if (!await configFile.exists()) {
await configFile.writeAsString('');
}

// Append the configuration if it doesn't already exist
final configContent = await configFile.readAsString();
if (!configContent.contains('P$p=')) {
await configFile.writeAsString(
'P$p="$name"\n',
mode: FileMode.append,
);

// Store keys
if (json['keys'] is List) {
final keysFile = File(path.join(multisigDir, 'P$p.keys'));
final keysList = (json['keys'] as List).cast<Map<String, dynamic>>();
final keysContent = keysList.map((k) => '${k['name']}=${k['publicKey']}').join('\n');
await keysFile.writeAsString(keysContent);
}

log.i('BitDrive: Restored multisig configuration P$p');
}
}
} catch (e) {
log.w('BitDrive: Error processing multisig file: $e');
// Continue if there's an error parsing
}
}
// For backward compatibility, also check unflagged txt files for JSON structure
else if (!isMultisig && fileType == 'txt') {
try {
final contentStr = utf8.decode(content);
if (contentStr.trim().startsWith('{') && contentStr.trim().endsWith('}')) {
final json = jsonDecode(contentStr);

// Check if this is a valid multisig configuration
if (json is Map && json.containsKey('p') && json.containsKey('name') && json.containsKey('keys')) {
log.i('BitDrive: Found multisig configuration (unflagged)');

// Process multisig config (same code as above)
final multisigDir = path.join(_bitdriveDir!, 'multisig');
final dir = Directory(multisigDir);
if (!await dir.exists()) {
await dir.create(recursive: true);
}

final p = json['p'];
final name = json['name'];

final configFile = File(path.join(multisigDir, 'multisig.conf'));
if (!await configFile.exists()) {
await configFile.writeAsString('');
}

final configContent = await configFile.readAsString();
if (!configContent.contains('P$p=')) {
await configFile.writeAsString(
'P$p="$name"\n',
mode: FileMode.append,
);

if (json['keys'] is List) {
final keysFile = File(path.join(multisigDir, 'P$p.keys'));
final keysList = (json['keys'] as List).cast<Map<String, dynamic>>();
final keysContent = keysList.map((k) => '${k['name']}=${k['publicKey']}').join('\n');
await keysFile.writeAsString(keysContent);
}

log.i('BitDrive: Restored multisig configuration P$p');
}
}
}
} catch (e) {
// Not a JSON file or not a multisig configuration - ignore
}
}

restoredCount++;
} catch (e) {
log.e('BitDrive: Error processing tx ${tx.txid}: $e');
Expand Down Expand Up @@ -312,15 +422,15 @@ class BitDriveProvider extends ChangeNotifier {
notifyListeners();
}

Future<void> setTextContent(String content) async {
Future<void> setTextContent(String content, {bool isMultisig = false}) async {
if (content.length > 1024 * 1024) {
error = 'Text size must be less than 1MB';
notifyListeners();
return;
}
textContent = content;
fileContent = null;
fileName = 'text.txt';
fileName = isMultisig ? 'multisig.json' : 'text.txt';
mimeType = 'text/plain';
error = null;
notifyListeners();
Expand All @@ -336,7 +446,7 @@ class BitDriveProvider extends ChangeNotifier {
notifyListeners();
}

Future<void> store() async {
Future<void> store({bool isMultisig = false}) async {
if (_isFetching) return;
_isFetching = true;
error = null;
Expand All @@ -352,7 +462,12 @@ class BitDriveProvider extends ChangeNotifier {
final timestamp = DateTime.now().millisecondsSinceEpoch ~/ 1000;
final fileType = _detectFileType(content);

metadata.setUint8(0, shouldEncrypt ? 1 : 0);
// Set flag byte - encode both encryption and multisig flags
int flagByte = FLAG_STANDARD;
if (shouldEncrypt) flagByte |= FLAG_ENCRYPTED;
if (isMultisig) flagByte |= FLAG_MULTISIG;

metadata.setUint8(0, flagByte);
metadata.setUint32(1, timestamp);

final typeBytes = utf8.encode(fileType.padRight(4, ' '));
Expand Down Expand Up @@ -423,7 +538,9 @@ class BitDriveProvider extends ChangeNotifier {
}

final metadata = ByteData.view(Uint8List.fromList(metadataBytes).buffer);
final isEncrypted = metadata.getUint8(0) == 1;
final flagByte = metadata.getUint8(0);
final isEncrypted = (flagByte & FLAG_ENCRYPTED) != 0;
final isMultisig = (flagByte & FLAG_MULTISIG) != 0;
final timestamp = metadata.getUint32(1);
final fileType = utf8.decode(metadataBytes.sublist(5, 9)).trim();

Expand Down Expand Up @@ -533,7 +650,9 @@ class BitDriveProvider extends ChangeNotifier {
if (metadataBytes.length != 9) continue;

final metadata = ByteData.view(Uint8List.fromList(metadataBytes).buffer);
final isEncrypted = metadata.getUint8(0) == 1;
final flagByte = metadata.getUint8(0);
final isEncrypted = (flagByte & FLAG_ENCRYPTED) != 0;
final isMultisig = (flagByte & FLAG_MULTISIG) != 0;
final timestamp = metadata.getUint32(1);
final fileType = utf8.decode(metadataBytes.sublist(5, 9)).trim();

Expand Down
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