| 1 | import 'dart:async'; |
| 2 | import 'dart:core'; |
| 3 | import 'dart:io'; |
| 4 | import 'dart:math'; |
| 5 | |
| 6 | import 'package:cw_core/amount/money.dart'; |
| 7 | import 'package:cw_core/cake_hive.dart'; |
| 8 | import 'package:cw_core/crypto_currency.dart'; |
| 9 | import 'package:cw_core/node.dart'; |
| 10 | import 'package:cw_core/pathForWallet.dart'; |
| 11 | import 'package:cw_core/pending_transaction.dart'; |
| 12 | import 'package:cw_core/sync_status.dart'; |
| 13 | import 'package:cw_core/transaction_priority.dart'; |
| 14 | import 'package:cw_core/utils/print_verbose.dart'; |
| 15 | import 'package:cw_core/wallet_base.dart'; |
| 16 | import 'package:cw_core/wallet_credentials.dart'; |
| 17 | import 'package:cw_core/wallet_info.dart'; |
| 18 | import 'package:cw_core/zano_asset.dart'; |
| 19 | import 'package:cw_zano/api/model/create_wallet_result.dart'; |
| 20 | import 'package:cw_zano/api/model/destination.dart'; |
| 21 | import 'package:cw_zano/api/model/get_recent_txs_and_info_result.dart'; |
| 22 | import 'package:cw_zano/api/model/get_wallet_status_result.dart'; |
| 23 | import 'package:cw_zano/api/model/transfer.dart'; |
| 24 | import 'package:cw_zano/model/pending_zano_transaction.dart'; |
| 25 | import 'package:cw_zano/model/zano_balance.dart'; |
| 26 | import 'package:cw_zano/model/zano_transaction_creation_exception.dart'; |
| 27 | import 'package:cw_zano/model/zano_transaction_credentials.dart'; |
| 28 | import 'package:cw_zano/model/zano_transaction_info.dart'; |
| 29 | import 'package:cw_zano/model/zano_wallet_keys.dart'; |
| 30 | import 'package:cw_zano/zano_transaction_history.dart'; |
| 31 | import 'package:cw_zano/zano_wallet_addresses.dart'; |
| 32 | import 'package:cw_zano/zano_wallet_api.dart'; |
| 33 | import 'package:cw_zano/zano_wallet_exceptions.dart'; |
| 34 | import 'package:cw_zano/zano_wallet_service.dart'; |
| 35 | import 'package:cw_zano/api/model/balance.dart'; |
| 36 | |
| 37 | import 'package:mobx/mobx.dart'; |
| 38 | |
| 39 | part 'zano_wallet.g.dart'; |
| 40 | |
| 41 | class ZanoWallet = ZanoWalletBase with _$ZanoWallet; |
| 42 | |
| 43 | abstract class ZanoWalletBase |
| 44 | extends WalletBase<ZanoBalance, ZanoTransactionHistory, ZanoTransactionInfo> |
| 45 | with Store, ZanoWalletApi { |
| 46 | static const int _autoSaveIntervalSeconds = 30; |
| 47 | static const int _pollIntervalMilliseconds = 5000; |
| 48 | static const int _maxLoadAssetsRetries = 5; |
| 49 | |
| 50 | @override |
| 51 | void setPassword(String password) { |
| 52 | _password = password; |
| 53 | super.setPassword(password); |
| 54 | } |
| 55 | |
| 56 | String _password; |
| 57 | |
| 58 | @override |
| 59 | String get password => _password; |
| 60 | |
| 61 | @override |
| 62 | Future<String> signMessage(String message, {String? address = null}) => |
| 63 | super.signMessage(message, address: address); |
| 64 | |
| 65 | @override |
| 66 | Future<bool> verifyMessage(String message, String signature, {String? address = null}) { |
| 67 | throw UnimplementedError(); |
| 68 | } |
| 69 | |
| 70 | @override |
| 71 | ZanoWalletAddresses walletAddresses; |
| 72 | |
| 73 | @override |
| 74 | @observable |
| 75 | SyncStatus syncStatus; |
| 76 | |
| 77 | @override |
| 78 | @observable |
| 79 | ObservableMap<CryptoCurrency, ZanoBalance> balance; |
| 80 | |
| 81 | @override |
| 82 | String seed = ''; |
| 83 | |
| 84 | @override |
| 85 | String? passphrase = ''; |
| 86 | |
| 87 | @override |
| 88 | ZanoWalletKeys keys = ZanoWalletKeys( |
| 89 | privateSpendKey: '', privateViewKey: '', publicSpendKey: '', publicViewKey: ''); |
| 90 | |
| 91 | static const String zanoAssetId = |
| 92 | 'd6329b5b1f7c0805b5c345f4957554002a2f557845f64d7645dae0e051a6498a'; |
| 93 | |
| 94 | Map<String, ZanoAsset> zanoAssets = {}; |
| 95 | |
| 96 | Timer? _updateSyncInfoTimer; |
| 97 | |
| 98 | int _lastKnownBlockHeight = 0; |
| 99 | int _initialSyncHeight = 0; |
| 100 | int currentDaemonHeight = 0; |
| 101 | bool _isTransactionUpdating; |
| 102 | bool _hasSyncAfterStartup; |
| 103 | Timer? _autoSaveTimer; |
| 104 | |
| 105 | /// number of transactions in each request |
| 106 | static final int _txChunkSize = (pow(2, 32) - 1).toInt(); |
| 107 | |
| 108 | ZanoWalletBase(WalletInfo walletInfo, DerivationInfo derivationInfo, String password) |
| 109 | : balance = ObservableMap.of({CryptoCurrency.zano: ZanoBalance.empty(CryptoCurrency.zano)}), |
| 110 | _isTransactionUpdating = false, |
| 111 | _hasSyncAfterStartup = false, |
| 112 | walletAddresses = ZanoWalletAddresses(walletInfo), |
| 113 | syncStatus = NotConnectedSyncStatus(), |
| 114 | _password = password, |
| 115 | super(walletInfo, derivationInfo) { |
| 116 | transactionHistory = ZanoTransactionHistory(); |
| 117 | if (!CakeHive.isAdapterRegistered(ZanoAsset.typeId)) { |
| 118 | CakeHive.registerAdapter(ZanoAssetAdapter()); |
| 119 | } |
| 120 | } |
| 121 | |
| 122 | @override |
| 123 | int calculateEstimatedFee(TransactionPriority priority, [int? amount = null]) => |
| 124 | getCurrentTxFee(priority); |
| 125 | |
| 126 | @override |
| 127 | Future<void> changePassword(String password) async { |
| 128 | setPassword(password); |
| 129 | } |
| 130 | |
| 131 | static Future<ZanoWallet> create({required WalletCredentials credentials}) async { |
| 132 | final wallet = ZanoWallet(credentials.walletInfo!, |
| 133 | await credentials.walletInfo!.getDerivationInfo(), credentials.password!); |
| 134 | await wallet.initWallet(); |
| 135 | final path = await pathForWallet(name: credentials.name, type: credentials.walletInfo!.type); |
| 136 | final createWalletResult = await wallet.createWallet(path, credentials.password!); |
| 137 | await wallet.initWallet(); |
| 138 | await wallet.parseCreateWalletResult(createWalletResult); |
| 139 | if (credentials.passphrase != null) { |
| 140 | await wallet.setPassphrase(credentials.passphrase!); |
| 141 | wallet.seed = await createWalletResult.seed(wallet); |
| 142 | wallet.passphrase = await wallet.getPassphrase(); |
| 143 | } |
| 144 | await wallet.init(createWalletResult.wi.address); |
| 145 | return wallet; |
| 146 | } |
| 147 | |
| 148 | static Future<ZanoWallet> restore( |
| 149 | {required ZanoRestoreWalletFromSeedCredentials credentials}) async { |
| 150 | final wallet = ZanoWallet(credentials.walletInfo!, |
| 151 | await credentials.walletInfo!.getDerivationInfo(), credentials.password!); |
| 152 | await wallet.initWallet(); |
| 153 | final path = await pathForWallet(name: credentials.name, type: credentials.walletInfo!.type); |
| 154 | final createWalletResult = await wallet.restoreWalletFromSeed( |
| 155 | path, credentials.password!, credentials.mnemonic, credentials.passphrase); |
| 156 | await wallet.initWallet(); |
| 157 | await wallet.parseCreateWalletResult(createWalletResult); |
| 158 | if (credentials.passphrase != null) { |
| 159 | await wallet.setPassphrase(credentials.passphrase!); |
| 160 | wallet.seed = await createWalletResult.seed(wallet); |
| 161 | wallet.passphrase = await wallet.getPassphrase(); |
| 162 | } |
| 163 | await wallet.init(createWalletResult.wi.address); |
| 164 | return wallet; |
| 165 | } |
| 166 | |
| 167 | static Future<ZanoWallet> open( |
| 168 | {required String name, required String password, required WalletInfo walletInfo}) async { |
| 169 | final path = await pathForWallet(name: name, type: walletInfo.type); |
| 170 | if (ZanoWalletApi.openWalletCache[path] != null) { |
| 171 | final wallet = ZanoWallet(walletInfo, await walletInfo.getDerivationInfo(), password); |
| 172 | await wallet.parseCreateWalletResult(ZanoWalletApi.openWalletCache[path]!).then((_) { |
| 173 | unawaited(wallet.init(ZanoWalletApi.openWalletCache[path]!.wi.address)); |
| 174 | }); |
| 175 | return wallet; |
| 176 | } else { |
| 177 | final wallet = ZanoWallet(walletInfo, await walletInfo.getDerivationInfo(), password); |
| 178 | await wallet.initWallet(); |
| 179 | final createWalletResult = await wallet.loadWallet(path, password); |
| 180 | await wallet.parseCreateWalletResult(createWalletResult).then((_) { |
| 181 | unawaited(wallet.init(createWalletResult.wi.address)); |
| 182 | }); |
| 183 | return wallet; |
| 184 | } |
| 185 | } |
| 186 | |
| 187 | Future<void> parseCreateWalletResult(CreateWalletResult result) async { |
| 188 | hWallet = result.walletId; |
| 189 | seed = await result.seed(this); |
| 190 | keys = ZanoWalletKeys( |
| 191 | privateSpendKey: result.privateSpendKey, |
| 192 | privateViewKey: result.privateViewKey, |
| 193 | publicSpendKey: result.publicSpendKey, |
| 194 | publicViewKey: result.publicViewKey, |
| 195 | ); |
| 196 | passphrase = await getPassphrase(); |
| 197 | |
| 198 | printV('setting hWallet = ${result.walletId}'); |
| 199 | walletAddresses.address = result.wi.address; |
| 200 | await loadAssets(result.wi.balances, maxRetries: _maxLoadAssetsRetries); |
| 201 | for (final item in result.wi.balances) { |
| 202 | if (item.assetInfo.assetId == zanoAssetId) { |
| 203 | balance[CryptoCurrency.zano] = ZanoBalance( |
| 204 | total: Money(item.total, CryptoCurrency.zano), |
| 205 | unlocked: Money(item.unlocked, CryptoCurrency.zano), |
| 206 | ); |
| 207 | } |
| 208 | } |
| 209 | if (result.recentHistory.history != null) { |
| 210 | final transfers = result.recentHistory.history!; |
| 211 | final transactions = Transfer.makeMap(transfers, zanoAssets, currentDaemonHeight); |
| 212 | transactionHistory.addMany(transactions); |
| 213 | await transactionHistory.save(); |
| 214 | } |
| 215 | } |
| 216 | |
| 217 | @override |
| 218 | Future<void> close({bool shouldCleanup = true}) async { |
| 219 | closeWallet(null); |
| 220 | _updateSyncInfoTimer?.cancel(); |
| 221 | _autoSaveTimer?.cancel(); |
| 222 | } |
| 223 | |
| 224 | @override |
| 225 | Future<void> connectToNode({required Node node}) async { |
| 226 | syncStatus = ConnectingSyncStatus(); |
| 227 | await setupNode(node.uriRaw); |
| 228 | syncStatus = ConnectedSyncStatus(); |
| 229 | } |
| 230 | |
| 231 | @override |
| 232 | Future<PendingTransaction> createTransaction(Object credentials) async { |
| 233 | credentials as ZanoTransactionCredentials; |
| 234 | final isZano = credentials.currency == CryptoCurrency.zano; |
| 235 | final outputs = credentials.outputs; |
| 236 | final hasMultiDestination = outputs.length > 1; |
| 237 | final unlockedBalanceZano = |
| 238 | balance[CryptoCurrency.zano]?.unlocked ?? Money.zero(CryptoCurrency.zano); |
| 239 | final unlockedBalanceCurrency = |
| 240 | balance[credentials.currency]?.unlocked ?? Money.zero(credentials.currency); |
| 241 | final fee = |
| 242 | Money(BigInt.from(calculateEstimatedFee(credentials.priority)), CryptoCurrency.zano); |
| 243 | |
| 244 | var totalAmount = Money.zero(credentials.currency); |
| 245 | void checkForEnoughBalances() { |
| 246 | if (isZano) { |
| 247 | if (totalAmount + fee > unlockedBalanceZano) { |
| 248 | throw ZanoTransactionCreationException( |
| 249 | "You don't have enough coins (required: ${(totalAmount + fee).toStringWithSymbol()}, unlocked ${unlockedBalanceZano.toStringWithSymbol()})."); |
| 250 | } |
| 251 | } else { |
| 252 | if (fee > unlockedBalanceZano) { |
| 253 | throw ZanoTransactionCreationException( |
| 254 | "You don't have enough coins (required: ${fee.toStringWithSymbol()}, unlocked ${unlockedBalanceZano.toStringWithSymbol()})."); |
| 255 | } |
| 256 | if (totalAmount > unlockedBalanceCurrency) { |
| 257 | throw ZanoTransactionCreationException( |
| 258 | "You don't have enough coins (required: ${totalAmount.toStringWithSymbol()}, unlocked ${unlockedBalanceCurrency.toStringWithSymbol()})."); |
| 259 | } |
| 260 | } |
| 261 | } |
| 262 | |
| 263 | final assetId = isZano ? zanoAssetId : (credentials.currency as ZanoAsset).assetId; |
| 264 | late List<Destination> destinations; |
| 265 | if (hasMultiDestination) { |
| 266 | if (outputs.any((output) => output.sendAll || output.cryptoAmount.amount <= BigInt.zero)) { |
| 267 | throw ZanoTransactionCreationException("You don't have enough coins."); |
| 268 | } |
| 269 | totalAmount = |
| 270 | outputs.fold(Money.zero(credentials.currency), (acc, value) => acc + value.cryptoAmount); |
| 271 | checkForEnoughBalances(); |
| 272 | destinations = outputs |
| 273 | .map((output) => Destination( |
| 274 | amount: output.cryptoAmount.amount, |
| 275 | address: output.isParsedAddress ? output.extractedAddress! : output.address, |
| 276 | assetId: assetId, |
| 277 | )) |
| 278 | .toList(); |
| 279 | } else { |
| 280 | final output = outputs.first; |
| 281 | if (output.sendAll) { |
| 282 | if (isZano) { |
| 283 | totalAmount = unlockedBalanceZano - fee; |
| 284 | } else { |
| 285 | totalAmount = unlockedBalanceCurrency; |
| 286 | } |
| 287 | } else { |
| 288 | totalAmount = output.cryptoAmount; |
| 289 | } |
| 290 | checkForEnoughBalances(); |
| 291 | destinations = [ |
| 292 | Destination( |
| 293 | amount: totalAmount.amount, |
| 294 | address: output.isParsedAddress ? output.extractedAddress! : output.address, |
| 295 | assetId: assetId, |
| 296 | ) |
| 297 | ]; |
| 298 | } |
| 299 | return PendingZanoTransaction( |
| 300 | zanoWallet: this, |
| 301 | destinations: destinations, |
| 302 | fee: fee, |
| 303 | comment: outputs.first.note ?? '', |
| 304 | assetId: assetId, |
| 305 | amount: totalAmount, |
| 306 | ); |
| 307 | } |
| 308 | |
| 309 | @override |
| 310 | Future<Map<String, ZanoTransactionInfo>> fetchTransactions() async { |
| 311 | try { |
| 312 | final transfers = <Transfer>[]; |
| 313 | late GetRecentTxsAndInfoResult result; |
| 314 | do { |
| 315 | result = await getRecentTxsAndInfo(offset: 0, count: _txChunkSize); |
| 316 | // _lastTxIndex += result.transfers.length; |
| 317 | transfers.addAll(result.transfers); |
| 318 | } while (result.lastItemIndex + 1 < result.totalTransfers); |
| 319 | return Transfer.makeMap(transfers, zanoAssets, currentDaemonHeight); |
| 320 | } catch (e) { |
| 321 | printV((e.toString())); |
| 322 | return {}; |
| 323 | } |
| 324 | } |
| 325 | |
| 326 | Future<void> init(String address) async { |
| 327 | await walletAddresses.init(); |
| 328 | await walletAddresses.updateAddress(address); |
| 329 | await updateTransactions(); |
| 330 | _autoSaveTimer = Timer.periodic(Duration(seconds: _autoSaveIntervalSeconds), (_) async { |
| 331 | await save(); |
| 332 | }); |
| 333 | } |
| 334 | |
| 335 | @override |
| 336 | Future<void> renameWalletFiles(String newWalletName) async { |
| 337 | final currentWalletPath = await pathForWallet(name: name, type: type); |
| 338 | final currentCacheFile = File(currentWalletPath); |
| 339 | final currentKeysFile = File('$currentWalletPath.keys'); |
| 340 | final currentAddressListFile = File('$currentWalletPath.address.txt'); |
| 341 | |
| 342 | final newWalletPath = await pathForWallet(name: newWalletName, type: type); |
| 343 | |
| 344 | // Copies current wallet files into new wallet name's dir and files |
| 345 | if (currentCacheFile.existsSync()) { |
| 346 | await currentCacheFile.copy(newWalletPath); |
| 347 | } |
| 348 | if (currentKeysFile.existsSync()) { |
| 349 | await currentKeysFile.copy('$newWalletPath.keys'); |
| 350 | } |
| 351 | if (currentAddressListFile.existsSync()) { |
| 352 | await currentAddressListFile.copy('$newWalletPath.address.txt'); |
| 353 | } |
| 354 | |
| 355 | // Delete old name's dir and files |
| 356 | await Directory(currentWalletPath).delete(recursive: true); |
| 357 | } |
| 358 | |
| 359 | @override |
| 360 | Future<void> rescan({required int height}) => throw UnimplementedError(); |
| 361 | |
| 362 | @override |
| 363 | Future<void> save() async { |
| 364 | try { |
| 365 | await store(); |
| 366 | await walletAddresses.updateAddressesInBox(); |
| 367 | } catch (e) { |
| 368 | printV(('Error while saving Zano wallet file ${e.toString()}')); |
| 369 | } |
| 370 | } |
| 371 | |
| 372 | Future<void> loadAssets(List<Balance> balances, {int maxRetries = 1}) async { |
| 373 | List<ZanoAsset> assets = []; |
| 374 | int retryCount = 0; |
| 375 | |
| 376 | while (retryCount < maxRetries) { |
| 377 | try { |
| 378 | assets = await getAssetsWhitelist(); |
| 379 | break; |
| 380 | } on ZanoWalletBusyException { |
| 381 | if (retryCount < maxRetries - 1) { |
| 382 | retryCount++; |
| 383 | await Future.delayed(Duration(seconds: 1)); |
| 384 | } else { |
| 385 | printV(('failed to load assets after $retryCount retries')); |
| 386 | break; |
| 387 | } |
| 388 | } |
| 389 | } |
| 390 | zanoAssets = {}; |
| 391 | for (final asset in assets) { |
| 392 | final newAsset = ZanoAsset.copyWith( |
| 393 | asset, |
| 394 | enabled: balances.any((element) => element.assetId == asset.assetId), |
| 395 | ); |
| 396 | zanoAssets.putIfAbsent(asset.assetId, () => newAsset); |
| 397 | } |
| 398 | } |
| 399 | |
| 400 | @override |
| 401 | Future<void> startSync() async { |
| 402 | try { |
| 403 | syncStatus = AttemptingSyncStatus(); |
| 404 | _lastKnownBlockHeight = 0; |
| 405 | _initialSyncHeight = 0; |
| 406 | _updateSyncInfoTimer ??= Timer.periodic( |
| 407 | Duration(milliseconds: _pollIntervalMilliseconds), (_) => _updateSyncInfo()); |
| 408 | } catch (e) { |
| 409 | syncStatus = FailedSyncStatus(); |
| 410 | printV((e.toString())); |
| 411 | } |
| 412 | } |
| 413 | |
| 414 | @override |
| 415 | Future<void>? updateBalance() => null; |
| 416 | |
| 417 | @override |
| 418 | Future<bool> checkNodeHealth() async { |
| 419 | try { |
| 420 | final status = await getWalletStatus(); |
| 421 | |
| 422 | return status.isDaemonConnected; |
| 423 | } catch (_) { |
| 424 | return false; |
| 425 | } |
| 426 | } |
| 427 | |
| 428 | Future<void> updateTransactions() async { |
| 429 | try { |
| 430 | if (_isTransactionUpdating) { |
| 431 | return; |
| 432 | } |
| 433 | _isTransactionUpdating = true; |
| 434 | final transactions = await fetchTransactions(); |
| 435 | transactionHistory.clear(); |
| 436 | transactionHistory.addMany(transactions); |
| 437 | await transactionHistory.save(); |
| 438 | _isTransactionUpdating = false; |
| 439 | } catch (e) { |
| 440 | printV("e: $e"); |
| 441 | printV((e.toString())); |
| 442 | _isTransactionUpdating = false; |
| 443 | } |
| 444 | } |
| 445 | |
| 446 | Future<CryptoCurrency> addZanoAssetById(String assetId) async { |
| 447 | if (zanoAssets.containsKey(assetId)) { |
| 448 | throw ZanoWalletException('zano asset with id $assetId already added'); |
| 449 | } |
| 450 | final assetDescriptor = await addAssetsWhitelist(assetId); |
| 451 | if (assetDescriptor == null) { |
| 452 | throw ZanoWalletException("there's no zano asset with id $assetId"); |
| 453 | } |
| 454 | final asset = ZanoAsset.copyWith( |
| 455 | assetDescriptor, |
| 456 | assetId: assetId, |
| 457 | enabled: true, |
| 458 | ); |
| 459 | zanoAssets[asset.assetId] = asset; |
| 460 | balance[asset] = ZanoBalance.empty(asset); |
| 461 | return asset; |
| 462 | } |
| 463 | |
| 464 | Future<void> changeZanoAssetAvailability(ZanoAsset asset) async { |
| 465 | if (asset.enabled) { |
| 466 | final assetDescriptor = await addAssetsWhitelist(asset.assetId); |
| 467 | if (assetDescriptor == null) { |
| 468 | printV(('Error adding zano asset')); |
| 469 | } |
| 470 | } else { |
| 471 | final result = await removeAssetsWhitelist(asset.assetId); |
| 472 | if (result == false) { |
| 473 | printV(('Error removing zano asset')); |
| 474 | } |
| 475 | } |
| 476 | } |
| 477 | |
| 478 | Future<void> deleteZanoAsset(ZanoAsset asset) async { |
| 479 | final _ = await removeAssetsWhitelist(asset.assetId); |
| 480 | } |
| 481 | |
| 482 | Future<ZanoAsset?> getZanoAsset(String assetId) async { |
| 483 | // wallet api is not available while the wallet is syncing so only call it if it's synced |
| 484 | if (syncStatus is SyncedSyncStatus) { |
| 485 | return await getAssetInfo(assetId); |
| 486 | } |
| 487 | return null; |
| 488 | } |
| 489 | |
| 490 | Future<void> _askForUpdateTransactionHistory() async => await updateTransactions(); |
| 491 | |
| 492 | void _onNewBlock(int height, int blocksLeft, double ptc) async { |
| 493 | try { |
| 494 | if (blocksLeft < 1000) { |
| 495 | await _askForUpdateTransactionHistory(); |
| 496 | syncStatus = SyncedSyncStatus(); |
| 497 | |
| 498 | if (!_hasSyncAfterStartup) { |
| 499 | _hasSyncAfterStartup = true; |
| 500 | await save(); |
| 501 | } |
| 502 | } else { |
| 503 | syncStatus = SyncingSyncStatus(blocksLeft, ptc); |
| 504 | } |
| 505 | } catch (e) { |
| 506 | printV((e.toString())); |
| 507 | } |
| 508 | } |
| 509 | |
| 510 | void _updateSyncProgress(GetWalletStatusResult walletStatus) { |
| 511 | final syncHeight = walletStatus.currentWalletHeight; |
| 512 | if (_initialSyncHeight <= 0) { |
| 513 | _initialSyncHeight = syncHeight; |
| 514 | } |
| 515 | final bchHeight = walletStatus.currentDaemonHeight; |
| 516 | |
| 517 | if (_lastKnownBlockHeight == syncHeight) { |
| 518 | return; |
| 519 | } |
| 520 | |
| 521 | _lastKnownBlockHeight = syncHeight; |
| 522 | final track = bchHeight - _initialSyncHeight; |
| 523 | final diff = track - (bchHeight - syncHeight); |
| 524 | final ptc = diff <= 0 ? 0.0 : diff / track; |
| 525 | final left = bchHeight - syncHeight; |
| 526 | |
| 527 | if (syncHeight < 0 || left < 0) { |
| 528 | return; |
| 529 | } |
| 530 | |
| 531 | // 1. Actual new height; 2. Blocks left to finish; 3. Progress in percents; |
| 532 | _onNewBlock.call(syncHeight, left, ptc); |
| 533 | } |
| 534 | |
| 535 | void _updateSyncInfo() async { |
| 536 | GetWalletStatusResult walletStatus; |
| 537 | // ignoring get wallet status exception (in case of wrong wallet id) |
| 538 | try { |
| 539 | walletStatus = await getWalletStatus(); |
| 540 | } on ZanoWalletException { |
| 541 | return; |
| 542 | } |
| 543 | currentDaemonHeight = walletStatus.currentDaemonHeight; |
| 544 | _updateSyncProgress(walletStatus); |
| 545 | |
| 546 | // we can call getWalletInfo ONLY if getWalletStatus returns NOT is in long refresh and wallet state is 2 (ready) |
| 547 | if (!walletStatus.isInLongRefresh && walletStatus.walletState == 2) { |
| 548 | final walletInfo = await getWalletInfo(); |
| 549 | seed = await walletInfo.wiExtended.seed(this); |
| 550 | keys = ZanoWalletKeys( |
| 551 | privateSpendKey: walletInfo.wiExtended.spendPrivateKey, |
| 552 | privateViewKey: walletInfo.wiExtended.viewPrivateKey, |
| 553 | publicSpendKey: walletInfo.wiExtended.spendPublicKey, |
| 554 | publicViewKey: walletInfo.wiExtended.viewPublicKey, |
| 555 | ); |
| 556 | loadAssets(walletInfo.wi.balances); |
| 557 | // matching balances and whitelists |
| 558 | // 1. show only balances available in whitelists |
| 559 | // 2. set whitelists available in balances as 'enabled' ('disabled' by default) |
| 560 | for (final b in walletInfo.wi.balances) { |
| 561 | if (b.assetId == zanoAssetId) { |
| 562 | balance[CryptoCurrency.zano] = ZanoBalance( |
| 563 | total: Money(b.total, CryptoCurrency.zano), |
| 564 | unlocked: Money(b.unlocked, CryptoCurrency.zano), |
| 565 | ); |
| 566 | } else { |
| 567 | final asset = zanoAssets[b.assetId]; |
| 568 | if (asset == null) { |
| 569 | printV('balance for an unknown asset ${b.assetInfo.assetId}'); |
| 570 | continue; |
| 571 | } |
| 572 | |
| 573 | final assetBalanceKey = |
| 574 | balance.keys.where((e) => e is ZanoAsset && e.assetId == asset.assetId).firstOrNull; |
| 575 | if (assetBalanceKey != null) { |
| 576 | balance[assetBalanceKey] = ZanoBalance( |
| 577 | total: Money(b.total, assetBalanceKey), |
| 578 | unlocked: Money(b.unlocked, assetBalanceKey), |
| 579 | ); |
| 580 | } else { |
| 581 | balance[asset] = ZanoBalance( |
| 582 | total: Money(b.total, asset), |
| 583 | unlocked: Money(b.unlocked, asset), |
| 584 | ); |
| 585 | } |
| 586 | } |
| 587 | } |
| 588 | await updateTransactions(); |
| 589 | // removing balances for assets missing in wallet info balances |
| 590 | balance.removeWhere( |
| 591 | (key, _) => |
| 592 | key != CryptoCurrency.zano && |
| 593 | !walletInfo.wi.balances.any((element) => element.assetId == (key as ZanoAsset).assetId), |
| 594 | ); |
| 595 | } |
| 596 | } |
| 597 | } |