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feat: bitcoin view-only

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This commit is contained in:
Czarek Nakamoto 2025-05-13 10:10:32 +02:00 • committed by cyan
parent 1a5601f755
commit a5b6ae6475
12 changed files with 145 additions and 62 deletions
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11
cw_bitcoin/lib/bitcoin_wallet_creation_credentials.dart
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@ -54,6 +54,17 @@ class BitcoinRestoreWalletFromWIFCredentials extends WalletCredentials {
final String wif;
}
class BitcoinWalletFromKeysCredentials extends WalletCredentials {
BitcoinWalletFromKeysCredentials({
required String name,
required String password,
required this.xpub,
WalletInfo? walletInfo,
}) : super(name: name, password: password, walletInfo: walletInfo);
final String xpub;
}
class BitcoinRestoreWalletFromHardware extends WalletCredentials {
BitcoinRestoreWalletFromHardware({
required String name,

10
cw_bitcoin/lib/bitcoin_wallet_keys.dart
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@ -1,7 +1,15 @@
class BitcoinWalletKeys {
const BitcoinWalletKeys({required this.wif, required this.privateKey, required this.publicKey});
const BitcoinWalletKeys({required this.wif, required this.privateKey, required this.publicKey, required this.xpub});
final String wif;
final String privateKey;
final String publicKey;
final String xpub;
Map<String, String> toJson() => {
'wif': wif,
'privateKey': privateKey,
'publicKey': publicKey,
'xpub': xpub
};
}

23
cw_bitcoin/lib/bitcoin_wallet_service.dart
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@ -20,7 +20,7 @@ import 'package:bip39/bip39.dart' as bip39;
class BitcoinWalletService extends WalletService<
BitcoinNewWalletCredentials,
BitcoinRestoreWalletFromSeedCredentials,
BitcoinRestoreWalletFromWIFCredentials,
BitcoinWalletFromKeysCredentials,
BitcoinRestoreWalletFromHardware> {
BitcoinWalletService(this.walletInfoSource, this.unspentCoinsInfoSource,
this.payjoinSessionSource, this.alwaysScan, this.isDirect);
@ -169,9 +169,24 @@ class BitcoinWalletService extends WalletService<
}
@override
Future<BitcoinWallet> restoreFromKeys(BitcoinRestoreWalletFromWIFCredentials credentials,
{bool? isTestnet}) async =>
throw UnimplementedError();
Future<BitcoinWallet> restoreFromKeys(BitcoinWalletFromKeysCredentials credentials,
{bool? isTestnet}) async {
final network = isTestnet == true ? BitcoinNetwork.testnet : BitcoinNetwork.mainnet;
credentials.walletInfo?.network = network.value;
final wallet = await BitcoinWallet(
password: credentials.password!,
xpub: credentials.xpub,
walletInfo: credentials.walletInfo!,
unspentCoinsInfo: unspentCoinsInfoSource,
networkParam: network,
encryptionFileUtils: encryptionFileUtilsFor(isDirect),
);
await wallet.save();
await wallet.init();
return wallet;
}
@override
Future<BitcoinWallet> restoreFromSeed(BitcoinRestoreWalletFromSeedCredentials credentials,

23
cw_bitcoin/lib/electrum_wallet.dart
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@ -280,11 +280,26 @@ abstract class ElectrumWalletBase
}
@override
BitcoinWalletKeys get keys => BitcoinWalletKeys(
wif: WifEncoder.encode(hd.privateKey.raw, netVer: network.wifNetVer),
privateKey: hd.privateKey.toHex(),
publicKey: hd.publicKey.toHex(),
BitcoinWalletKeys get keys {
String? wif;
String? privateKey;
String? publicKey;
try {
wif = WifEncoder.encode(hd.privateKey.raw, netVer: network.wifNetVer);
} catch (_) {}
try {
privateKey = hd.privateKey.toHex();
} catch (_) {}
try {
publicKey = hd.publicKey.toHex();
} catch (_) {}
return BitcoinWalletKeys(
wif: wif ?? '',
privateKey: privateKey ?? '',
publicKey: publicKey ?? '',
xpub: xpub,
);
}
String _password;
List<BitcoinUnspent> unspentCoins;

2
cw_bitcoin/lib/pending_bitcoin_transaction.dart
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@ -165,6 +165,6 @@ class PendingBitcoinTransaction with PendingTransaction {
@override
Future<String?> commitUR() {
throw UnimplementedError();
return Future.value("test");
}
}

14
lib/bitcoin/cw_bitcoin.dart
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@ -18,6 +18,14 @@ class CWBitcoin extends Bitcoin {
passphrase: passphrase,
);
@override
WalletCredentials createBitcoinWalletFromKeys({
required String name,
required String password,
required String xpub,
}) =>
BitcoinWalletFromKeysCredentials(name: name, password: password, xpub: xpub);
@override
WalletCredentials createBitcoinRestoreWalletFromWIFCredentials(
{required String name,
@ -62,11 +70,7 @@ class CWBitcoin extends Bitcoin {
final bitcoinWallet = wallet as ElectrumWallet;
final keys = bitcoinWallet.keys;
return <String, String>{
'wif': keys.wif,
'privateKey': keys.privateKey,
'publicKey': keys.publicKey
};
return bitcoinWallet.keys.toJson();
}
@override

5
lib/src/screens/restore/wallet_restore_from_keys_form.dart
View file

@ -198,14 +198,14 @@ class WalletRestoreFromKeysFormState extends State<WalletRestoreFromKeysForm> {
Widget _restoreFromKeysFormFields() {
// Decred can only restore a view only wallet with an account pubkey. Other
// fields are not used.
if (widget.walletRestoreViewModel.type == WalletType.decred) {
if (widget.walletRestoreViewModel.onlyViewKeyRestore) {
return Column(
children: [
BaseTextFormField(
controller: viewKeyController,
hintText: S.of(context).view_key_public,
maxLines: null,
)
),
],
);
}
@ -253,6 +253,7 @@ class WalletRestoreFromKeysFormState extends State<WalletRestoreFromKeysForm> {
maxLines: null,
),
),
if (widget.walletRestoreViewModel.hasBlockchainHeightSelector)
BlockchainHeightWidget(
key: blockchainHeightKey,
hasDatePicker: widget.walletRestoreViewModel.type != WalletType.haven,

10
lib/src/screens/restore/wallet_restore_page.dart
View file

@ -199,7 +199,7 @@ class WalletRestorePage extends BasePage {
credentials['seed'] =
walletRestoreFromSeedFormKey.currentState!.seedWidgetStateKey.currentState!.text;
if (walletRestoreViewModel.hasBlockchainHeightLanguageSelector) {
if (walletRestoreViewModel.hasBlockchainHeightSelector) {
credentials['height'] =
walletRestoreFromSeedFormKey.currentState!.blockchainHeightKey.currentState?.height ??
-1;
@ -219,7 +219,7 @@ class WalletRestorePage extends BasePage {
credentials['name'] =
walletRestoreFromKeysFormKey.currentState!.nameTextEditingController.text;
credentials['viewKey'] = walletRestoreFromKeysFormKey.currentState!.viewKeyController.text;
if (walletRestoreViewModel.type != WalletType.decred) {
if (!walletRestoreViewModel.onlyViewKeyRestore) {
credentials['address'] =
walletRestoreFromKeysFormKey.currentState!.addressController.text;
credentials['spendKey'] =
@ -519,7 +519,7 @@ class _WalletRestorePageBodyState extends State<_WalletRestorePageBody>
}
},
onViewKeyEntered: (bool entered) {
if (walletRestoreViewModel.type == WalletType.decred) {
if (widget.walletRestoreViewModel.onlyViewKeyRestore) {
walletRestoreViewModel.isButtonEnabled = entered;
}
},
@ -536,7 +536,7 @@ class _WalletRestorePageBodyState extends State<_WalletRestorePageBody>
key: widget.walletRestoreFromSeedFormKey,
restoredWallet: walletRestoreViewModel.restoredWallet,
seedSettingsViewModel: widget.seedSettingsViewModel,
displayBlockHeightSelector: widget.walletRestoreViewModel.hasBlockchainHeightLanguageSelector,
displayBlockHeightSelector: widget.walletRestoreViewModel.hasBlockchainHeightSelector,
displayLanguageSelector: widget.walletRestoreViewModel.hasSeedLanguageSelector,
type: widget.walletRestoreViewModel.type,
blockHeightFocusNode: widget.blockHeightFocusNode,
@ -563,7 +563,7 @@ class _WalletRestorePageBodyState extends State<_WalletRestorePageBody>
}
void _validateOnChange({bool isPolyseed = false}) {
if (!isPolyseed && walletRestoreViewModel.hasBlockchainHeightLanguageSelector) {
if (!isPolyseed && walletRestoreViewModel.hasBlockchainHeightSelector) {
final hasHeight = walletRestoreFromSeedFormKey
.currentState?.blockchainHeightKey.currentState?.restoreHeightController.text.isNotEmpty;

5
lib/src/screens/wallet_keys/wallet_keys_page.dart
View file

@ -82,7 +82,7 @@ class _WalletKeysPageBodyState extends State<WalletKeysPageBody>
showLegacySeedTab = widget.walletKeysViewModel.legacySeedSplit.isNotEmpty;
isLegacySeedOnly = widget.walletKeysViewModel.isLegacySeedOnly;
final totalTabs = 1 + (showKeyTab ? 1 : 0) + (showLegacySeedTab ? 1 : 0);
final totalTabs = (_hasSeeds ? 1 : 0) + (showKeyTab ? 1 : 0) + (showLegacySeedTab ? 1 : 0);
_tabController = TabController(length: totalTabs, vsync: this);
}
@ -126,7 +126,7 @@ class _WalletKeysPageBodyState extends State<WalletKeysPageBody>
dividerColor: Colors.transparent,
padding: EdgeInsets.zero,
tabs: [
Tab(text: S.of(context).widgets_seed, key: ValueKey('wallet_keys_page_seed')),
if (_hasSeeds) Tab(text: S.of(context).widgets_seed, key: ValueKey('wallet_keys_page_seed')),
if (showKeyTab) Tab(text: S.of(context).keys, key: ValueKey('wallet_keys_page_keys'),),
if (showLegacySeedTab) Tab(text: S.of(context).legacy, key: ValueKey('wallet_keys_page_seed_legacy')),
],
@ -137,6 +137,7 @@ class _WalletKeysPageBodyState extends State<WalletKeysPageBody>
child: TabBarView(
controller: _tabController,
children: [
if (_hasSeeds)
Padding(
padding: const EdgeInsets.only(left: 22, right: 22),
child: _buildSeedTab(context, false),

24
lib/view_model/wallet_keys_view_model.dart
View file

@ -1,3 +1,4 @@
import 'package:cake_wallet/bitcoin/bitcoin.dart';
import 'package:cake_wallet/generated/i18n.dart';
import 'package:cake_wallet/monero/monero.dart';
import 'package:cake_wallet/src/screens/transaction_details/standart_list_item.dart';
@ -162,18 +163,21 @@ abstract class WalletKeysViewModelBase with Store {
case WalletType.bitcoin:
case WalletType.litecoin:
case WalletType.bitcoinCash:
final keys = bitcoin!.getWalletKeys(_appStore.wallet!);
items.addAll([
if ((keys['wif']??'').isNotEmpty)
StandartListItem(title: "WIF", value: keys['wif']!),
if ((keys['privateKey']??'').isNotEmpty)
StandartListItem(title: S.current.private_key, value: keys['privateKey']!),
if (keys['publicKey'] != null)
StandartListItem(title: S.current.public_key, value: keys['publicKey']!),
if (keys['xpub'] != null)
StandartListItem(title: "xPub", value: keys['xpub']!),
]);
break;
case WalletType.none:
case WalletType.haven:
// final keys = bitcoin!.getWalletKeys(_appStore.wallet!);
//
// items.addAll([
// if (keys['wif'] != null)
// StandartListItem(title: "WIF", value: keys['wif']!),
// if (keys['privateKey'] != null)
// StandartListItem(title: S.current.private_key, value: keys['privateKey']!),
// if (keys['publicKey'] != null)
// StandartListItem(title: S.current.public_key, value: keys['publicKey']!),
// ]);
break;
}

55
lib/view_model/wallet_restore_view_model.dart
View file

@ -32,17 +32,7 @@ abstract class WalletRestoreViewModelBase extends WalletCreationVM with Store {
WalletRestoreViewModelBase(AppStore appStore, WalletCreationService walletCreationService,
Box<WalletInfo> walletInfoSource, SeedSettingsViewModel seedSettingsViewModel,
{required WalletType type, this.restoredWallet})
: hasSeedLanguageSelector =
type == WalletType.monero || type == WalletType.haven || type == WalletType.wownero,
hasBlockchainHeightLanguageSelector =
type == WalletType.monero || type == WalletType.haven || type == WalletType.wownero,
hasRestoreFromPrivateKey = type == WalletType.ethereum ||
type == WalletType.polygon ||
type == WalletType.nano ||
type == WalletType.banano ||
type == WalletType.solana ||
type == WalletType.tron,
isButtonEnabled = false,
: isButtonEnabled = false,
hasPassphrase = false,
mode = restoredWallet?.restoreMode ?? WalletRestoreMode.seed,
super(appStore, walletInfoSource, walletCreationService, seedSettingsViewModel,
@ -60,9 +50,9 @@ abstract class WalletRestoreViewModelBase extends WalletCreationVM with Store {
case WalletType.ethereum:
case WalletType.polygon:
case WalletType.decred:
case WalletType.bitcoin:
availableModes = [WalletRestoreMode.seed, WalletRestoreMode.keys];
break;
case WalletType.bitcoin:
case WalletType.litecoin:
case WalletType.bitcoinCash:
case WalletType.zano:
@ -82,9 +72,34 @@ abstract class WalletRestoreViewModelBase extends WalletCreationVM with Store {
static const decredSeedMnemonicLength = 15;
late List<WalletRestoreMode> availableModes;
final bool hasSeedLanguageSelector;
final bool hasBlockchainHeightLanguageSelector;
final bool hasRestoreFromPrivateKey;
late final bool hasSeedLanguageSelector = [
WalletType.monero,
WalletType.haven,
WalletType.wownero
].contains(type);
late final bool hasBlockchainHeightSelector = [
WalletType.monero,
WalletType.haven,
WalletType.wownero
].contains(type);
late final bool hasRestoreFromPrivateKey = [
WalletType.ethereum,
WalletType.polygon,
WalletType.nano,
WalletType.banano,
WalletType.solana,
WalletType.tron
].contains(type);
late final bool onlyViewKeyRestore = [
WalletType.bitcoin,
WalletType.litecoin,
WalletType.bitcoinCash,
WalletType.decred
].contains(type);
final RestoredWallet? restoredWallet;
@observable
@ -198,6 +213,13 @@ abstract class WalletRestoreViewModelBase extends WalletCreationVM with Store {
final address = options['address'] as String?;
switch (type) {
case WalletType.bitcoin:
return bitcoin!.createBitcoinWalletFromKeys(
name: name,
password: password,
xpub: viewKey!,
);
case WalletType.monero:
return monero!.createMoneroRestoreWalletFromKeysCredentials(
name: name,
@ -276,8 +298,9 @@ abstract class WalletRestoreViewModelBase extends WalletCreationVM with Store {
case WalletType.litecoin:
String? mnemonic = credentials['seed'] as String?;
String? passphrase = credentials['passphrase'] as String?;
if (mnemonic == null) break;
return bitcoin!.getDerivationsFromMnemonic(
mnemonic: mnemonic!,
mnemonic: mnemonic,
node: node,
passphrase: passphrase,
);

1
tool/configure.dart
View file

@ -163,6 +163,7 @@ abstract class Bitcoin {
String? passphrase,
});
WalletCredentials createBitcoinRestoreWalletFromWIFCredentials({required String name, required String password, required String wif, WalletInfo? walletInfo});
WalletCredentials createBitcoinWalletFromKeys({required String name, required String password, required String xpub});
WalletCredentials createBitcoinNewWalletCredentials({required String name, WalletInfo? walletInfo, String? password, String? passphrase, String? mnemonic});
WalletCredentials createBitcoinHardwareWalletCredentials({required String name, required HardwareAccountData accountData, WalletInfo? walletInfo});
List<String> getWordList();