| 1 | import 'dart:async'; |
| 2 | import 'dart:io'; |
| 3 | import 'dart:math'; |
| 4 | |
| 5 | import 'package:cw_core/amount/money.dart'; |
| 6 | import 'package:cw_core/crypto_currency.dart'; |
| 7 | import 'package:cw_core/get_height_by_date_zec.dart'; |
| 8 | import 'package:cw_core/monero_transaction_priority.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_direction.dart'; |
| 14 | import 'package:cw_core/transaction_priority.dart'; |
| 15 | import 'package:cw_core/utils/print_verbose.dart'; |
| 16 | import 'package:cw_core/wallet_base.dart'; |
| 17 | import 'package:cw_core/wallet_credentials.dart'; |
| 18 | import 'package:cw_core/wallet_info.dart'; |
| 19 | import 'package:cw_core/wallet_type.dart'; |
| 20 | import 'package:bip39/bip39.dart' as bip39; |
| 21 | import 'package:cw_zcash/cw_zcash.dart'; |
| 22 | import 'package:cw_zcash/src/util/crc32.dart'; |
| 23 | import 'package:cw_zcash/src/zcash_mempool.dart'; |
| 24 | import 'package:cw_zcash/src/zcash_taddress_rotation.dart'; |
| 25 | import 'package:cw_zcash/src/zcash_wallet_addresses.dart'; |
| 26 | import 'package:cw_zcash/src/zcash_network.dart'; |
| 27 | import 'package:cw_zcash/src/zkool_compat.dart'; |
| 28 | import 'package:cw_zcash/src/zkooltx.dart'; |
| 29 | import 'package:mobx/mobx.dart'; |
| 30 | import 'package:mutex/mutex.dart'; |
| 31 | import 'package:zkool/src/rust/api/account.dart' as zkool_account; |
| 32 | import 'package:zkool/src/rust/api/coin.dart' as zkool_coin; |
| 33 | import 'package:zkool/src/rust/api/mempool.dart' as zkool_mempool; |
| 34 | import 'package:zkool/src/rust/api/sync.dart' as zkool_sync; |
| 35 | import 'package:zkool/src/rust/api/pay.dart' as zkool_pay; |
| 36 | import 'package:zkool/src/rust/api/migrate.dart' as zkool_migrate; |
| 37 | import 'package:zkool/src/rust/api/network.dart' as zkool_network; |
| 38 | import 'package:zkool/src/rust/pay.dart' as zkool_paydart; |
| 39 | import 'package:zkool/src/rust/frb_generated.dart' as zkool_frb; |
| 40 | |
| 41 | part 'zcash_wallet.g.dart'; |
| 42 | |
| 43 | class ZcashWallet = ZcashWalletBase with _$ZcashWallet; |
| 44 | |
| 45 | abstract class ZcashWalletBase |
| 46 | extends WalletBase<ZcashBalance, ZcashTransactionHistory, ZcashTransactionInfo> |
| 47 | with Store { |
| 48 | ZcashWalletBase(super.walletInfo, super.derivationInfo, {required this.accountId}) { |
| 49 | transactionHistory = ZcashTransactionHistory(); |
| 50 | walletsByAccountId[accountId] = this; |
| 51 | } |
| 52 | |
| 53 | static final Map<int, ZcashWalletBase> walletsByAccountId = {}; |
| 54 | |
| 55 | static Future<void> refreshWalletForAccount(final int accountId) async { |
| 56 | final wallet = walletsByAccountId[accountId]; |
| 57 | if (wallet == null) { |
| 58 | return; |
| 59 | } |
| 60 | await wallet.updateTransactions(); |
| 61 | await wallet.updateBalance(); |
| 62 | } |
| 63 | |
| 64 | int accountId; |
| 65 | |
| 66 | final Map<String, BigInt> _pendingOutgoingAmounts = {}; |
| 67 | |
| 68 | void rememberPendingOutgoingAmount(final String txId, final Money amount) { |
| 69 | if (amount.isZero) { |
| 70 | return; |
| 71 | } |
| 72 | _pendingOutgoingAmounts[ZcashWalletService.normalizeTxId(txId)] = amount.amount; |
| 73 | } |
| 74 | |
| 75 | @override |
| 76 | @observable |
| 77 | SyncStatus syncStatus = NotConnectedSyncStatus(); |
| 78 | |
| 79 | @override |
| 80 | ObservableMap<CryptoCurrency, ZcashBalance> balance = ObservableMap.of({ |
| 81 | CryptoCurrency.zec: ZcashBalance.zero(), |
| 82 | }); |
| 83 | |
| 84 | static const int _autoShieldMinSweep = 30000; |
| 85 | |
| 86 | // zkool's migrate::MIN_SD. |
| 87 | static const int _ironwoodMigrateMinNote = 500000; |
| 88 | |
| 89 | static int _minSweepThreshold({required final bool ironwood}) => |
| 90 | ironwood ? _ironwoodMigrateMinNote : _autoShieldMinSweep; |
| 91 | |
| 92 | Money _feeFromTxPlan( |
| 93 | final zkool_pay.PcztPackage txPlan, |
| 94 | final TransactionPriority priority, |
| 95 | final int tryReduceFeeAmount, { |
| 96 | final zkool_coin.Coin? coin, |
| 97 | }) { |
| 98 | try { |
| 99 | return Money(zkool_pay.toPlan(package: txPlan, c: coin ?? c).fee, currency); |
| 100 | } catch (_) { |
| 101 | return Money.fromInt( |
| 102 | tryReduceFeeAmount != 0 |
| 103 | ? tryReduceFeeAmount |
| 104 | : internalCalculateEstimatedFee(priority, null), |
| 105 | currency, |
| 106 | ); |
| 107 | } |
| 108 | } |
| 109 | |
| 110 | static int internalCalculateEstimatedFee(final TransactionPriority priority, final int? amount) { |
| 111 | const baseFee = 10000; |
| 112 | switch (priority) { |
| 113 | case MoneroTransactionPriority.slow: |
| 114 | case MoneroTransactionPriority.automatic: |
| 115 | return baseFee; |
| 116 | case MoneroTransactionPriority.medium: |
| 117 | return baseFee * 2; |
| 118 | case MoneroTransactionPriority.fast: |
| 119 | return baseFee * 4; |
| 120 | case MoneroTransactionPriority.fastest: |
| 121 | return baseFee * 10; |
| 122 | } |
| 123 | ; |
| 124 | return internalCalculateEstimatedFee(MoneroTransactionPriority.automatic, amount); |
| 125 | } |
| 126 | |
| 127 | @override |
| 128 | int calculateEstimatedFee(final TransactionPriority priority, final int? amount) { |
| 129 | return internalCalculateEstimatedFee(priority, amount); |
| 130 | } |
| 131 | |
| 132 | @override |
| 133 | Future<void> changePassword(final String password) async { |
| 134 | // throw UnimplementedError(); |
| 135 | } |
| 136 | |
| 137 | static bool isNodeWorking = true; |
| 138 | |
| 139 | @override |
| 140 | Future<bool> checkNodeHealth() { |
| 141 | return Future.value(isNodeWorking); |
| 142 | } |
| 143 | |
| 144 | @override |
| 145 | Future<void> close({final bool shouldCleanup = false}) async { |
| 146 | _syncLoopRunning = false; |
| 147 | walletsByAccountId.remove(accountId); |
| 148 | } |
| 149 | |
| 150 | Node? lastNode; |
| 151 | @override |
| 152 | @action |
| 153 | Future<void> connectToNode({required final Node node}) async { |
| 154 | lastNode = node; |
| 155 | printV("connecting to node: ${node.uriRaw}"); |
| 156 | syncStatus = ConnectingSyncStatus(); |
| 157 | try { |
| 158 | String lwdUrl = node.uriRaw; |
| 159 | if (!lwdUrl.startsWith('http://') && !lwdUrl.startsWith('https://')) { |
| 160 | final protocol = node.useSSL == true ? 'https://' : 'http://'; |
| 161 | lwdUrl = '$protocol$lwdUrl'; |
| 162 | } |
| 163 | printV("Setting LWD URL to: $lwdUrl"); |
| 164 | c = c.setLwd(url: lwdUrl, serverType: 0); |
| 165 | syncStatus = ConnectedSyncStatus(); |
| 166 | unawaited(ZcashMempoolService.instance.ensureRunning(c)); |
| 167 | unawaited(_updateIronwoodActive()); |
| 168 | _ensureSyncLoopRunning(); |
| 169 | unawaited(_refreshSyncStatus()); |
| 170 | unawaited(_oneshotSync()); |
| 171 | } catch (e) { |
| 172 | printV("Connection error: $e"); |
| 173 | syncStatus = FailedSyncStatus(error: e.toString()); |
| 174 | rethrow; |
| 175 | } |
| 176 | } |
| 177 | |
| 178 | bool _syncLoopRunning = false; |
| 179 | |
| 180 | void _ensureSyncLoopRunning() { |
| 181 | if (_syncLoopRunning) { |
| 182 | return; |
| 183 | } |
| 184 | _syncLoopRunning = true; |
| 185 | unawaited(_runSyncLoop()); |
| 186 | } |
| 187 | |
| 188 | static const _syncedPollInterval = Duration(seconds: 5); |
| 189 | static const _activePollInterval = Duration(seconds: 1); |
| 190 | |
| 191 | Future<void> _runSyncLoop() async { |
| 192 | var pollInterval = _activePollInterval; |
| 193 | while (_syncLoopRunning) { |
| 194 | await Future.delayed(pollInterval); |
| 195 | try { |
| 196 | final alreadySynced = await _oneshotSync(); |
| 197 | pollInterval = alreadySynced ? _syncedPollInterval : _activePollInterval; |
| 198 | } catch (e) { |
| 199 | printV("zcash sync failed: $e"); |
| 200 | pollInterval = _activePollInterval; |
| 201 | } |
| 202 | } |
| 203 | } |
| 204 | |
| 205 | int _syncCheckpointHeight = 0; |
| 206 | |
| 207 | bool get isSyncing { |
| 208 | return _isSyncing; |
| 209 | } |
| 210 | |
| 211 | set isSyncing(final bool value) { |
| 212 | _isSyncing = value; |
| 213 | } |
| 214 | |
| 215 | bool _isSyncing = false; |
| 216 | |
| 217 | static int oneshotSyncCount = 0; |
| 218 | |
| 219 | Future<int> _getLowestSyncHeight() async { |
| 220 | final accounts = await zkool_account.listAccounts(c: c); |
| 221 | var lowest = await _getWalletDbHeight(); |
| 222 | for (final acc in accounts) { |
| 223 | if (acc.id == accountId) continue; |
| 224 | c = await c.setAccount(account: acc.id); |
| 225 | lowest = min(lowest, await _getWalletDbHeight()); |
| 226 | } |
| 227 | c = await c.setAccount(account: accountId); |
| 228 | return lowest; |
| 229 | } |
| 230 | |
| 231 | Future<bool> _anyAccountNeedsSync(final int currentHeight) => |
| 232 | withSharedCoinLock(() => _anyAccountNeedsSyncUnlocked(currentHeight)); |
| 233 | |
| 234 | Future<bool> _anyAccountNeedsSyncUnlocked(final int currentHeight) async { |
| 235 | final accounts = await zkool_account.listAccounts(c: c); |
| 236 | for (final acc in accounts) { |
| 237 | c = await c.setAccount(account: acc.id); |
| 238 | if (currentHeight > await _getWalletDbHeight()) { |
| 239 | c = await c.setAccount(account: accountId); |
| 240 | return true; |
| 241 | } |
| 242 | } |
| 243 | c = await c.setAccount(account: accountId); |
| 244 | return false; |
| 245 | } |
| 246 | |
| 247 | @action |
| 248 | void _applySyncProgress(final int currentHeight, final int walletHeight) { |
| 249 | final blocksLeft = (currentHeight - walletHeight).clamp(0, currentHeight); |
| 250 | _syncCheckpointHeight = walletHeight; |
| 251 | if (blocksLeft <= 0) { |
| 252 | syncStatus = _isSyncing ? SyncingSyncStatus(1, 0.999) : SyncedSyncStatus(); |
| 253 | return; |
| 254 | } |
| 255 | final ptc = currentHeight > 0 ? (walletHeight / currentHeight).clamp(0.0, 1.0) : 0.0; |
| 256 | syncStatus = SyncingSyncStatus(blocksLeft, ptc); |
| 257 | } |
| 258 | |
| 259 | void _broadcastSyncProgress(final int currentHeight, final int walletHeight) { |
| 260 | runInAction(() { |
| 261 | for (final wallet in walletsByAccountId.values) { |
| 262 | wallet._applySyncProgress(currentHeight, walletHeight); |
| 263 | } |
| 264 | }); |
| 265 | } |
| 266 | |
| 267 | Future<int> _getWalletDbHeight() async { |
| 268 | try { |
| 269 | return (await zkool_sync.getDbHeight(c: c)).height; |
| 270 | } catch (_) { |
| 271 | final accounts = await zkool_account.listAccounts(c: c); |
| 272 | final account = accounts.where((final a) => a.id == accountId).firstOrNull; |
| 273 | if (account != null) { |
| 274 | return account.height; |
| 275 | } |
| 276 | rethrow; |
| 277 | } |
| 278 | } |
| 279 | |
| 280 | void _onSyncCheckpoint(final int currentHeight, final int checkpointHeight) { |
| 281 | final height = checkpointHeight > _syncCheckpointHeight |
| 282 | ? checkpointHeight |
| 283 | : _syncCheckpointHeight; |
| 284 | _broadcastSyncProgress(currentHeight, height); |
| 285 | } |
| 286 | |
| 287 | @action |
| 288 | Future<void> _refreshSyncStatus() async { |
| 289 | try { |
| 290 | await withSharedCoinLock(() async { |
| 291 | c = await c.setAccount(account: accountId); |
| 292 | final currentHeight = await zkool_network.getCurrentHeight(c: c); |
| 293 | final walletDbHeight = await _getWalletDbHeight(); |
| 294 | _broadcastSyncProgress(currentHeight, walletDbHeight); |
| 295 | }); |
| 296 | } catch (e) { |
| 297 | printV("refresh sync status: $e"); |
| 298 | } |
| 299 | } |
| 300 | |
| 301 | @action |
| 302 | Future<bool> _oneshotSync() async { |
| 303 | try { |
| 304 | if (isSyncing) { |
| 305 | return syncStatus is SyncedSyncStatus; |
| 306 | } |
| 307 | isSyncing = true; |
| 308 | late final int currentHeight; |
| 309 | late final int walletDbHeight; |
| 310 | await withSharedCoinLock(() async { |
| 311 | c = await c.setAccount(account: accountId); |
| 312 | currentHeight = await zkool_network.getCurrentHeight(c: c); |
| 313 | walletDbHeight = await _getWalletDbHeight(); |
| 314 | }); |
| 315 | if (!await _anyAccountNeedsSync(currentHeight)) { |
| 316 | _syncCheckpointHeight = walletDbHeight; |
| 317 | if (syncStatus is! SyncedSyncStatus) { |
| 318 | syncStatus = SyncedSyncStatus(); |
| 319 | } |
| 320 | isSyncing = false; |
| 321 | return true; |
| 322 | } |
| 323 | await zkool_sync.cancelSync(); |
| 324 | late final List<int> accountList; |
| 325 | late final int lagHeight; |
| 326 | await withSharedCoinLock(() async { |
| 327 | final accounts = await zkool_account.listAccounts(c: c); |
| 328 | accountList = accounts.map((final a) => a.id).toList() |
| 329 | ..removeWhere((final a) => a == c.account); |
| 330 | c = await c.setAccount(account: accountId); |
| 331 | lagHeight = await _getLowestSyncHeight(); |
| 332 | }); |
| 333 | _broadcastSyncProgress(currentHeight, lagHeight); |
| 334 | final sync = zkool_sync.synchronize( |
| 335 | accounts: [c.account, ...accountList], |
| 336 | currentHeight: currentHeight, |
| 337 | actionsPerSync: 10000, |
| 338 | transparentLimit: 100, |
| 339 | checkpointAge: 200, |
| 340 | c: c, |
| 341 | fast: false, |
| 342 | ); |
| 343 | await withSharedCoinLock(() async { |
| 344 | c = await c.setAccount(account: accountId); |
| 345 | }); |
| 346 | final randInt = CRC32.compute("${DateTime.now().microsecondsSinceEpoch}").toRadixString(16); |
| 347 | oneshotSyncCount++; |
| 348 | final completer = Completer<void>(); |
| 349 | var lastLoggedHeight = walletDbHeight; |
| 350 | var chainTip = currentHeight; |
| 351 | late final StreamSubscription<zkool_sync.SyncProgress> subscription; |
| 352 | subscription = sync.listen( |
| 353 | (final syncProgress) { |
| 354 | if (syncProgress.height > chainTip) { |
| 355 | chainTip = syncProgress.height; |
| 356 | } |
| 357 | if (syncProgress.height >= lastLoggedHeight + 5000) { |
| 358 | lastLoggedHeight = syncProgress.height; |
| 359 | printV( |
| 360 | "[${c.account} ($accountList)] [$oneshotSyncCount/$randInt] sync: ${syncProgress.height}", |
| 361 | ); |
| 362 | unawaited( |
| 363 | zkool_network.getCurrentHeight(c: c).then((final tip) { |
| 364 | if (tip > chainTip) { |
| 365 | chainTip = tip; |
| 366 | _onSyncCheckpoint(chainTip, syncProgress.height); |
| 367 | } |
| 368 | }), |
| 369 | ); |
| 370 | } |
| 371 | _onSyncCheckpoint(chainTip, syncProgress.height); |
| 372 | }, |
| 373 | onError: (final e) { |
| 374 | printV("[${c.account} ($accountList)] [$oneshotSyncCount/$randInt] error syncing: $e"); |
| 375 | runInAction(() { |
| 376 | syncStatus = FailedSyncStatus( |
| 377 | error: |
| 378 | e.toString().replaceAll("AnyhowException(", "").split("\n").firstOrNull ?? |
| 379 | "Unknown error", |
| 380 | ); |
| 381 | }); |
| 382 | isSyncing = false; |
| 383 | if (!completer.isCompleted) { |
| 384 | completer.complete(); |
| 385 | } |
| 386 | }, |
| 387 | onDone: () async { |
| 388 | printV("[${c.account} ($accountList)] [$oneshotSyncCount/$randInt] synchronized"); |
| 389 | oneshotSyncCount--; |
| 390 | isSyncing = false; |
| 391 | try { |
| 392 | await withSharedCoinLock(() async { |
| 393 | c = await c.setAccount(account: accountId); |
| 394 | if (await _anyAccountNeedsSyncUnlocked(currentHeight)) { |
| 395 | final lagHeight = await _getLowestSyncHeight(); |
| 396 | _broadcastSyncProgress(currentHeight, lagHeight); |
| 397 | return; |
| 398 | } |
| 399 | runInAction(() { |
| 400 | for (final wallet in walletsByAccountId.values) { |
| 401 | wallet.syncStatus = SyncedSyncStatus(); |
| 402 | } |
| 403 | }); |
| 404 | for (final wallet in walletsByAccountId.values) { |
| 405 | unawaited(wallet.updateBalance()); |
| 406 | unawaited(wallet.updateTransactions()); |
| 407 | unawaited( |
| 408 | ZcashTaddressRotation.updateCache(mainAccountId: wallet.accountId) |
| 409 | .catchError((final e) { |
| 410 | printV("rotation cache refresh: $e"); |
| 411 | }), |
| 412 | ); |
| 413 | } |
| 414 | }); |
| 415 | } catch (e) { |
| 416 | printV("sync done height refresh: $e"); |
| 417 | } |
| 418 | if (!completer.isCompleted) { |
| 419 | completer.complete(); |
| 420 | } |
| 421 | }, |
| 422 | ); |
| 423 | await completer.future; |
| 424 | await subscription.cancel(); |
| 425 | return syncStatus is SyncedSyncStatus; |
| 426 | } catch (e) { |
| 427 | syncStatus = FailedSyncStatus(error: e.toString()); |
| 428 | isSyncing = false; |
| 429 | printV("error syncing: $e"); |
| 430 | return false; |
| 431 | } |
| 432 | } |
| 433 | |
| 434 | @override |
| 435 | Future<PendingTransaction> createTransaction(final Object credentials) => |
| 436 | _createTransaction(credentials); |
| 437 | |
| 438 | Future<PendingTransaction> _createTransaction( |
| 439 | final Object credentials, { |
| 440 | final int tryReduceFeeAmount = 0, |
| 441 | }) async { |
| 442 | final creds = credentials as ZcashTransactionCredentials; |
| 443 | await updateBalance(); |
| 444 | |
| 445 | final zcashBalance = balance[CryptoCurrency.zec]; |
| 446 | final availableBalance = zcashBalance?.available ?? Money.zero(currency); |
| 447 | |
| 448 | final recipients = <zkool_paydart.Recipient>[]; |
| 449 | |
| 450 | bool receipientPaysFee = false; |
| 451 | |
| 452 | for (final output in creds.outputs) { |
| 453 | receipientPaysFee = receipientPaysFee || output.sendAll; |
| 454 | var amount = output.cryptoAmount; |
| 455 | if (output.sendAll) { |
| 456 | amount = availableBalance - Money.fromInt(tryReduceFeeAmount, currency); |
| 457 | } |
| 458 | final recipientAddress = output.isParsedAddress ? output.extractedAddress! : output.address; |
| 459 | recipients.add( |
| 460 | zkool_paydart.Recipient( |
| 461 | assetBase: zecBase, |
| 462 | address: recipientAddress, |
| 463 | amount: amount.amount, |
| 464 | userMemo: output.memo, |
| 465 | ), |
| 466 | ); |
| 467 | } |
| 468 | |
| 469 | final sendAmount = creds.outputs |
| 470 | .map((final out) => out.cryptoAmount) |
| 471 | .reduce((final a, final b) => a + b); |
| 472 | |
| 473 | if (availableBalance == sendAmount) { |
| 474 | receipientPaysFee = true; |
| 475 | } |
| 476 | |
| 477 | // pools parameter: bitmask for which pools to use for sending |
| 478 | // 1=Transparent, 2=Sapling, 4=Orchard, 8=Ironwood |
| 479 | try { |
| 480 | return await runWithCoin( |
| 481 | accountId: accountId, |
| 482 | func: (coin) async { |
| 483 | final ironwood = await zkool_network.isIronwoodActive(c: coin); |
| 484 | final txPlan = await zkool_pay.prepare( |
| 485 | recipients: recipients, |
| 486 | options: zkool_pay.PaymentOptions( |
| 487 | srcPools: ironwood ? 8 : 4, |
| 488 | recipientPaysFee: receipientPaysFee, |
| 489 | smartTransparent: false, |
| 490 | mode: 0, |
| 491 | ), |
| 492 | c: coin, |
| 493 | ); |
| 494 | final txFee = _feeFromTxPlan(txPlan, creds.priority, tryReduceFeeAmount, coin: coin); |
| 495 | return PendingZcashTransaction( |
| 496 | zcashWallet: this as ZcashWallet, |
| 497 | credentials: creds, |
| 498 | txPlan: txPlan, |
| 499 | fee: txFee, |
| 500 | availableBalance: availableBalance, |
| 501 | ); |
| 502 | }, |
| 503 | ); |
| 504 | } catch (e) { |
| 505 | if (tryReduceFeeAmount != 0) rethrow; |
| 506 | final estr = e.toString(); |
| 507 | const prefix = "Not enough funds, "; |
| 508 | const suffix = " more ZEC required"; |
| 509 | if (estr.contains(prefix) && estr.contains(suffix)) { |
| 510 | final start = estr.indexOf(prefix) + prefix.length; |
| 511 | final end = estr.indexOf(suffix, start); |
| 512 | final amtStr = estr.substring(start, end); |
| 513 | final amt = double.tryParse(amtStr); |
| 514 | if (amt == null) rethrow; |
| 515 | final feeInt = (amt * 100000000).ceil(); |
| 516 | return _createTransaction(credentials, tryReduceFeeAmount: feeInt); |
| 517 | } |
| 518 | rethrow; |
| 519 | } |
| 520 | } |
| 521 | |
| 522 | static const _dispPhrase = "Received to disposable address"; |
| 523 | |
| 524 | bool _hasExternalOutputs(final ZkoolTx tx, final Set<String> ownedAddresses) => |
| 525 | tx.outputsWithAddress.any((final o) => !_isOwnedAddress(o.address, ownedAddresses)); |
| 526 | |
| 527 | bool _isIronwoodMigrationTx(final ZkoolTx tx, final Set<String> ownedAddresses) { |
| 528 | // zkool classifies migration as selfTransfer with fee-sized net value. |
| 529 | if (tx.type != TxType.selfTransfer) { |
| 530 | return false; |
| 531 | } |
| 532 | final orchardSpent = tx.orchardSpent; |
| 533 | final spentFromOrchard = orchardSpent > BigInt.zero || |
| 534 | tx.spendPools.contains(NotePool.orchard.index); |
| 535 | if (!spentFromOrchard) { |
| 536 | return false; |
| 537 | } |
| 538 | if (tx.ironwoodReceived > BigInt.zero || |
| 539 | tx.notePools.contains(NotePool.ironwood.index)) { |
| 540 | return true; |
| 541 | } |
| 542 | // Orchard → Orchard split step (SD notes created, all outputs are ours). |
| 543 | if (tx.orchardReceived > BigInt.zero && !_hasExternalOutputs(tx, ownedAddresses)) { |
| 544 | return true; |
| 545 | } |
| 546 | // Orchard → Ironwood before the IW note is attached to tx details. |
| 547 | return orchardSpent > tx.value; |
| 548 | } |
| 549 | |
| 550 | BigInt _migrationDisplayAmount(final ZkoolTx tx) { |
| 551 | if (tx.ironwoodReceived > BigInt.zero) { |
| 552 | return tx.ironwoodReceived; |
| 553 | } |
| 554 | if (tx.orchardReceived > BigInt.zero) { |
| 555 | return tx.orchardReceived; |
| 556 | } |
| 557 | return tx.orchardSpent; |
| 558 | } |
| 559 | |
| 560 | ZcashTransactionInfo _zcashInfoFromMempoolTx( |
| 561 | final zkool_mempool.MempoolTx tx, |
| 562 | final int accountId, |
| 563 | ) { |
| 564 | final accountNotes = tx.notes.where((final n) => n.account == accountId); |
| 565 | final txHash = ZcashWalletService.normalizeTxId(tx.txid); |
| 566 | final pendingAmount = _pendingOutgoingAmounts[txHash]; |
| 567 | final netValue = accountNotes.fold<BigInt>( |
| 568 | BigInt.zero, |
| 569 | (final sum, final note) => sum + BigInt.from(note.value), |
| 570 | ); |
| 571 | final direction = pendingAmount != null || netValue < BigInt.zero |
| 572 | ? TransactionDirection.outgoing |
| 573 | : TransactionDirection.incoming; |
| 574 | final displayAmount = pendingAmount ?? netValue.abs(); |
| 575 | final memo = accountNotes |
| 576 | .map((final n) => n.memo) |
| 577 | .whereType<String>() |
| 578 | .where((final m) => m.isNotEmpty) |
| 579 | .firstOrNull; |
| 580 | final recipientAddresses = const <String>[]; |
| 581 | |
| 582 | final info = ZcashTransactionInfo( |
| 583 | id: txHash, |
| 584 | amount: Money(displayAmount, currency), |
| 585 | fee: Money.zero(currency), |
| 586 | direction: direction, |
| 587 | isPending: true, |
| 588 | date: DateTime.now(), |
| 589 | height: 0, |
| 590 | confirmations: 0, |
| 591 | to: recipientAddresses.isEmpty ? '' : recipientAddresses.first, |
| 592 | memo: memo, |
| 593 | ); |
| 594 | if (recipientAddresses.isNotEmpty) { |
| 595 | info.outputAddresses = recipientAddresses; |
| 596 | } |
| 597 | return info; |
| 598 | } |
| 599 | |
| 600 | ZcashTransactionInfo _zcashInfoFromZkoolTx( |
| 601 | final ZkoolTx tx, |
| 602 | final int currentHeight, { |
| 603 | final String? extraMemo, |
| 604 | final bool isRotationReceive = false, |
| 605 | final bool isShieldAction = false, |
| 606 | final TransactionDirection? directionOverride, |
| 607 | final BigInt? amountOverride, |
| 608 | required final Set<String> ownedAddresses, |
| 609 | }) { |
| 610 | final confirmations = tx.height > 0 && currentHeight >= tx.height |
| 611 | ? currentHeight - tx.height + 1 |
| 612 | : 0; |
| 613 | final memo = extraMemo != null ? "${tx.memo ?? ''}\n$extraMemo".trim() : tx.memo; |
| 614 | final isMigration = directionOverride == null && _isIronwoodMigrationTx(tx, ownedAddresses); |
| 615 | final direction = directionOverride ?? |
| 616 | (isMigration ? TransactionDirection.outgoing : tx.direction); |
| 617 | final amount = amountOverride ?? |
| 618 | (isMigration ? _migrationDisplayAmount(tx) : tx.value); |
| 619 | final recipientAddresses = direction == TransactionDirection.outgoing |
| 620 | ? _outgoingRecipientAddresses(tx, ownedAddresses: ownedAddresses) |
| 621 | : const <String>[]; |
| 622 | final info = ZcashTransactionInfo( |
| 623 | id: tx.txHash, |
| 624 | amount: Money(amount, currency), |
| 625 | fee: Money( |
| 626 | direction == TransactionDirection.outgoing ? tx.fee : BigInt.zero, |
| 627 | currency, |
| 628 | ), |
| 629 | direction: direction, |
| 630 | isPending: tx.height == 0, |
| 631 | date: tx.time, |
| 632 | height: tx.height, |
| 633 | confirmations: confirmations, |
| 634 | to: recipientAddresses.isEmpty ? '' : recipientAddresses.first, |
| 635 | memo: memo?.isNotEmpty == true ? memo : null, |
| 636 | txType: tx.type, |
| 637 | isRotationReceive: isRotationReceive, |
| 638 | isShieldAction: isShieldAction, |
| 639 | isIronwoodMigration: isMigration, |
| 640 | ); |
| 641 | if (recipientAddresses.isNotEmpty) { |
| 642 | info.outputAddresses = recipientAddresses; |
| 643 | } |
| 644 | return info; |
| 645 | } |
| 646 | |
| 647 | bool _isShieldActionTx( |
| 648 | final ZkoolTx tx, { |
| 649 | required final Set<String> rotationSweepHashes, |
| 650 | required final Set<String> ownedAddresses, |
| 651 | }) { |
| 652 | if (ZcashWalletService.isAutoshieldTx(tx.txHash)) { |
| 653 | return true; |
| 654 | } |
| 655 | if (rotationSweepHashes.contains(tx.txHash)) { |
| 656 | return true; |
| 657 | } |
| 658 | if (_isPayToSelfAutoshield(tx, ownedAddresses)) { |
| 659 | return true; |
| 660 | } |
| 661 | if (tx.direction == TransactionDirection.outgoing && |
| 662 | (tx.type == TxType.shield || tx.type == TxType.transparentSelfTransfer)) { |
| 663 | return true; |
| 664 | } |
| 665 | return false; |
| 666 | } |
| 667 | |
| 668 | bool _isPayToSelfAutoshield(final ZkoolTx tx, final Set<String> ownedAddresses) { |
| 669 | if (tx.type != TxType.shield && tx.type != TxType.transparentSelfTransfer) { |
| 670 | return false; |
| 671 | } |
| 672 | if (tx.transparentOrSaplingSpent <= BigInt.zero) { |
| 673 | return false; |
| 674 | } |
| 675 | if (tx.orchardReceived <= BigInt.zero) { |
| 676 | return false; |
| 677 | } |
| 678 | for (final dest in tx.outputAddresses) { |
| 679 | if (_isOwnedAddress(dest, ownedAddresses)) { |
| 680 | return true; |
| 681 | } |
| 682 | } |
| 683 | return tx.orchardReceived > BigInt.zero; |
| 684 | } |
| 685 | |
| 686 | bool _shouldSplitAutoshieldTx( |
| 687 | final ZkoolTx tx, { |
| 688 | required final bool isShield, |
| 689 | required final Set<String> ownedAddresses, |
| 690 | }) { |
| 691 | if (!isShield) { |
| 692 | return false; |
| 693 | } |
| 694 | if (ZcashWalletService.isAutoshieldTx(tx.txHash) || |
| 695 | _isPayToSelfAutoshield(tx, ownedAddresses)) { |
| 696 | return tx.transparentOrSaplingSpent > BigInt.zero && tx.orchardReceived > BigInt.zero; |
| 697 | } |
| 698 | return false; |
| 699 | } |
| 700 | |
| 701 | static String _txResultKey(final String txHash, {final String suffix = ''}) => |
| 702 | 'tx_$txHash$suffix'; |
| 703 | |
| 704 | static int _txDisplayPriority(final ZcashTransactionInfo info) { |
| 705 | if (info.additionalInfo['isIronwoodMigration'] == true) { |
| 706 | return 4; |
| 707 | } |
| 708 | if (info.additionalInfo['isAutoShield'] == true) { |
| 709 | return 3; |
| 710 | } |
| 711 | if (info.additionalInfo['isRotationReceive'] == true) { |
| 712 | return 2; |
| 713 | } |
| 714 | return 1; |
| 715 | } |
| 716 | |
| 717 | void _offerTx(final Map<String, ZcashTransactionInfo> byHash, final ZcashTransactionInfo info) { |
| 718 | final hash = info.txHash; |
| 719 | final existing = byHash[hash]; |
| 720 | if (existing == null) { |
| 721 | byHash[hash] = info; |
| 722 | return; |
| 723 | } |
| 724 | final infoPriority = _txDisplayPriority(info); |
| 725 | final existingPriority = _txDisplayPriority(existing); |
| 726 | if (infoPriority > existingPriority) { |
| 727 | byHash[hash] = info; |
| 728 | return; |
| 729 | } |
| 730 | if (infoPriority == existingPriority && |
| 731 | (info.additionalInfo['isAutoShield'] == true || |
| 732 | info.additionalInfo['isIronwoodMigration'] == true) && |
| 733 | info.direction == TransactionDirection.outgoing && |
| 734 | existing.direction == TransactionDirection.incoming) { |
| 735 | byHash[hash] = info; |
| 736 | } |
| 737 | } |
| 738 | |
| 739 | Future<Set<String>> _ownedAddressSet(final zkool_coin.Coin coin) async { |
| 740 | final owned = <String>{}; |
| 741 | for (final address in await zkool_account.listOwnedAddresses(c: coin)) { |
| 742 | if (address.isEmpty) { |
| 743 | continue; |
| 744 | } |
| 745 | owned.add(address); |
| 746 | if (address.startsWith('u')) { |
| 747 | owned.addAll(_uaReceivers(address)); |
| 748 | } |
| 749 | } |
| 750 | final addrs = walletAddresses; |
| 751 | for (final infos in addrs.addressInfos.values) { |
| 752 | for (final info in infos) { |
| 753 | owned.add(info.address); |
| 754 | } |
| 755 | } |
| 756 | owned.addAll(addrs.hiddenAddresses); |
| 757 | owned.addAll(addrs.usedAddresses); |
| 758 | return owned; |
| 759 | } |
| 760 | |
| 761 | bool _isOwnedAddress(final String addr, final Set<String> ownedAddresses) => |
| 762 | ownedAddresses.contains(addr); |
| 763 | |
| 764 | List<String> _outgoingRecipientAddresses( |
| 765 | final ZkoolTx tx, { |
| 766 | required final Set<String> ownedAddresses, |
| 767 | }) { |
| 768 | var outputs = tx.outputsWithAddress |
| 769 | .where((final o) => !_isOwnedAddress(o.address, ownedAddresses)) |
| 770 | .toList(); |
| 771 | if (outputs.isEmpty) { |
| 772 | return []; |
| 773 | } |
| 774 | |
| 775 | final transparent = |
| 776 | outputs.where((final o) => o.pool == NotePool.transparent.index).toList(); |
| 777 | if (transparent.length >= 2) { |
| 778 | outputs = transparent; |
| 779 | } |
| 780 | |
| 781 | return _dedupeAddresses(outputs.map((final o) => o.address)); |
| 782 | } |
| 783 | |
| 784 | List<String> _dedupeAddresses(final Iterable<String> raw) { |
| 785 | final seen = <String>{}; |
| 786 | return [ |
| 787 | for (final address in raw) |
| 788 | if (address.trim().isNotEmpty && seen.add(address.trim())) address.trim(), |
| 789 | ]; |
| 790 | } |
| 791 | |
| 792 | Set<String> _uaReceivers(final String ua) { |
| 793 | try { |
| 794 | final receivers = zkool_account.receiversFromUa(ua: ua, c: ZcashWalletBase.c); |
| 795 | return { |
| 796 | for (final address in [receivers.taddr, receivers.saddr, receivers.oaddr]) |
| 797 | if (address != null && address.isNotEmpty) address, |
| 798 | }; |
| 799 | } catch (_) { |
| 800 | return {}; |
| 801 | } |
| 802 | } |
| 803 | |
| 804 | @override |
| 805 | Future<Map<String, ZcashTransactionInfo>> fetchTransactions() async { |
| 806 | await ZcashWalletService.loadShieldTxs(); |
| 807 | final (txs, currentHeight, ownedAddresses) = await runWithCoin( |
| 808 | accountId: accountId, |
| 809 | func: (coin) async { |
| 810 | final owned = await _ownedAddressSet(coin); |
| 811 | final txsI = await zkool_account.listTxHistory(c: coin); |
| 812 | final txsA = await Future.wait( |
| 813 | txsI.map((final tx) => zkool_account.getTxDetails(idTx: tx.id, c: coin)), |
| 814 | ); |
| 815 | final txs = <ZkoolTx>[]; |
| 816 | for (int i = 0; i < txsI.length; i++) { |
| 817 | txs.add(ZkoolTx(txsI[i], txsA[i])); |
| 818 | } |
| 819 | txs.sort((final a, final b) => a.height.compareTo(b.height)); |
| 820 | var currentHeight = 1; |
| 821 | try { |
| 822 | currentHeight = await zkool_network.getCurrentHeight(c: coin); |
| 823 | } catch (e) { |
| 824 | printV("failed to get height: $e"); |
| 825 | } |
| 826 | return (txs, currentHeight, owned); |
| 827 | }, |
| 828 | ); |
| 829 | final Map<String, ZcashTransactionInfo> byHash = {}; |
| 830 | final rotationTxs = ZcashTaddressRotation.rotationTxsForMainAccount(accountId); |
| 831 | final rotationSweepHashes = <String>{ |
| 832 | for (final tx in rotationTxs) |
| 833 | if (tx.direction == TransactionDirection.outgoing) tx.txHash, |
| 834 | }; |
| 835 | |
| 836 | for (final tx in rotationTxs) { |
| 837 | if (tx.direction == TransactionDirection.incoming) { |
| 838 | _offerTx( |
| 839 | byHash, |
| 840 | _zcashInfoFromZkoolTx( |
| 841 | tx, |
| 842 | currentHeight, |
| 843 | extraMemo: _dispPhrase, |
| 844 | isRotationReceive: true, |
| 845 | ownedAddresses: ownedAddresses, |
| 846 | ), |
| 847 | ); |
| 848 | continue; |
| 849 | } |
| 850 | _offerTx( |
| 851 | byHash, |
| 852 | _zcashInfoFromZkoolTx( |
| 853 | tx, |
| 854 | currentHeight, |
| 855 | isShieldAction: true, |
| 856 | ownedAddresses: ownedAddresses, |
| 857 | ), |
| 858 | ); |
| 859 | } |
| 860 | |
| 861 | final Map<String, ZcashTransactionInfo> splitEntries = {}; |
| 862 | for (final tx in txs) { |
| 863 | _pendingOutgoingAmounts.remove(ZcashWalletService.normalizeTxId(tx.txHash)); |
| 864 | if (tx.height > 0) { |
| 865 | ZcashMempoolService.instance.removeTx(tx.txHash); |
| 866 | } |
| 867 | final isShield = _isShieldActionTx( |
| 868 | tx, |
| 869 | rotationSweepHashes: rotationSweepHashes, |
| 870 | ownedAddresses: ownedAddresses, |
| 871 | ); |
| 872 | if (_shouldSplitAutoshieldTx(tx, isShield: isShield, ownedAddresses: ownedAddresses)) { |
| 873 | byHash.remove(tx.txHash); |
| 874 | splitEntries[_txResultKey(tx.txHash, suffix: '_shield')] = _zcashInfoFromZkoolTx( |
| 875 | tx, |
| 876 | currentHeight, |
| 877 | isShieldAction: true, |
| 878 | directionOverride: TransactionDirection.outgoing, |
| 879 | amountOverride: tx.transparentOrSaplingSpent, |
| 880 | ownedAddresses: ownedAddresses, |
| 881 | ); |
| 882 | splitEntries[_txResultKey(tx.txHash, suffix: '_recv')] = _zcashInfoFromZkoolTx( |
| 883 | tx, |
| 884 | currentHeight, |
| 885 | directionOverride: TransactionDirection.incoming, |
| 886 | amountOverride: tx.orchardReceived, |
| 887 | ownedAddresses: ownedAddresses, |
| 888 | ); |
| 889 | continue; |
| 890 | } |
| 891 | _offerTx( |
| 892 | byHash, |
| 893 | _zcashInfoFromZkoolTx( |
| 894 | tx, |
| 895 | currentHeight, |
| 896 | isShieldAction: isShield, |
| 897 | ownedAddresses: ownedAddresses, |
| 898 | ), |
| 899 | ); |
| 900 | } |
| 901 | |
| 902 | final knownHashes = { |
| 903 | for (final tx in txs) ZcashWalletService.normalizeTxId(tx.txHash), |
| 904 | for (final hash in byHash.keys) ZcashWalletService.normalizeTxId(hash), |
| 905 | }; |
| 906 | for (final mempoolTx in ZcashMempoolService.instance.txsForAccount(accountId)) { |
| 907 | final hash = ZcashWalletService.normalizeTxId(mempoolTx.txid); |
| 908 | if (knownHashes.contains(hash)) { |
| 909 | ZcashMempoolService.instance.removeTx(hash); |
| 910 | _pendingOutgoingAmounts.remove(hash); |
| 911 | continue; |
| 912 | } |
| 913 | final info = _zcashInfoFromMempoolTx(mempoolTx, accountId); |
| 914 | if (info.amount.isZero) { |
| 915 | continue; |
| 916 | } |
| 917 | _offerTx(byHash, info); |
| 918 | } |
| 919 | |
| 920 | return { |
| 921 | for (final entry in byHash.entries) _txResultKey(entry.key): entry.value, |
| 922 | ...splitEntries, |
| 923 | }; |
| 924 | } |
| 925 | |
| 926 | Future<void> _initKeys() async { |
| 927 | try { |
| 928 | c = await c.setAccount(account: accountId); |
| 929 | final ufvk = await zkool_account.getAccountUfvk(account: accountId, c: c, pools: 7); |
| 930 | |
| 931 | keys = { |
| 932 | "privateViewKey": ufvk, |
| 933 | if (lastKnownRestoreHeight != null) "restoreHeight": lastKnownRestoreHeight.toString(), |
| 934 | }; |
| 935 | } catch (e) { |
| 936 | keys = {"privateViewKey": e.toString()}; |
| 937 | } |
| 938 | try { |
| 939 | c = await c.setAccount(account: accountId); |
| 940 | final s = (await zkool_account.getAccountSeed(account: accountId, c: c)); |
| 941 | |
| 942 | if (s == null) { |
| 943 | throw Exception("seed not found"); |
| 944 | } |
| 945 | final seedPhrase = s.mnemonic.split(" "); |
| 946 | if ([13, 25].contains(seedPhrase.length)) { |
| 947 | passphrase = seedPhrase.removeLast(); |
| 948 | } else { |
| 949 | passphrase = s.phrase; |
| 950 | } |
| 951 | seed = s.mnemonic.trim(); |
| 952 | } catch (e) { |
| 953 | seed = e.toString(); |
| 954 | } |
| 955 | } |
| 956 | |
| 957 | @override |
| 958 | Object keys = {}; |
| 959 | |
| 960 | @override |
| 961 | String get password => _password!; |
| 962 | |
| 963 | @override |
| 964 | Future<void> renameWalletFiles(final String newWalletName) async { |
| 965 | await renameWalletFilesForName(fromName: name, toName: newWalletName); |
| 966 | } |
| 967 | |
| 968 | static Future<void> renameWalletFilesForName({ |
| 969 | required final String fromName, |
| 970 | required final String toName, |
| 971 | }) async { |
| 972 | if (fromName == toName) { |
| 973 | return; |
| 974 | } |
| 975 | final currentWalletDir = Directory(await pathForWalletDir(name: fromName, type: _type)); |
| 976 | if (!currentWalletDir.existsSync()) { |
| 977 | throw Exception('Wallet directory not found: $fromName'); |
| 978 | } |
| 979 | final newWalletDirPath = '${await pathForWalletTypeDir(type: _type)}/$toName'; |
| 980 | if (Directory(newWalletDirPath).existsSync()) { |
| 981 | throw Exception('Cannot rename wallet: "$toName" already exists'); |
| 982 | } |
| 983 | await currentWalletDir.rename(newWalletDirPath); |
| 984 | for (final suffix in const ['', '.v2']) { |
| 985 | final oldFile = File('$newWalletDirPath/$fromName$suffix'); |
| 986 | if (oldFile.existsSync()) { |
| 987 | await oldFile.rename('$newWalletDirPath/$toName$suffix'); |
| 988 | } |
| 989 | } |
| 990 | } |
| 991 | |
| 992 | @override |
| 993 | bool get hasRescan => true; |
| 994 | |
| 995 | static int? lastKnownRestoreHeight = null; |
| 996 | |
| 997 | static int zashiAnnouncedBlockHeight = 2419420; |
| 998 | |
| 999 | Future<dynamic> _getAddressesForAccount(final int id) async { |
| 1000 | return runWithCoin( |
| 1001 | accountId: id, |
| 1002 | func: (final coin) => zkool_account.getAddresses(c: coin, uaPools: 7), |
| 1003 | ); |
| 1004 | } |
| 1005 | |
| 1006 | bool _addressesMatch(final dynamic old, final dynamic new_) { |
| 1007 | return old.ua == new_.ua && |
| 1008 | old.oaddr == new_.oaddr && |
| 1009 | old.saddr == new_.saddr && |
| 1010 | old.taddr == new_.taddr; |
| 1011 | } |
| 1012 | |
| 1013 | Future<void> _switchToAccount(final int newAccountId, final int height) async { |
| 1014 | walletsByAccountId.remove(accountId); |
| 1015 | accountId = newAccountId; |
| 1016 | walletsByAccountId[newAccountId] = this; |
| 1017 | walletAddresses.accountId = newAccountId; |
| 1018 | c = await c.setAccount(account: newAccountId); |
| 1019 | lastKnownRestoreHeight = height; |
| 1020 | await walletAddresses.init(); |
| 1021 | await _initKeys(); |
| 1022 | } |
| 1023 | |
| 1024 | @override |
| 1025 | @action |
| 1026 | Future<void> rescan({required final int height}) async { |
| 1027 | syncStatus = StartingScanSyncStatus(height); |
| 1028 | try { |
| 1029 | await zkool_sync.cancelSync(); |
| 1030 | isSyncing = false; |
| 1031 | |
| 1032 | await runWithCoin( |
| 1033 | accountId: accountId, |
| 1034 | func: (final coin) async { |
| 1035 | await zkool_account.updateAccount( |
| 1036 | update: zkool_account.AccountUpdate( |
| 1037 | coin: coin.coin, |
| 1038 | id: accountId, |
| 1039 | birth: height, |
| 1040 | folder: 0, |
| 1041 | ), |
| 1042 | c: coin, |
| 1043 | ); |
| 1044 | |
| 1045 | final accounts = await zkool_account.listAccounts(c: coin); |
| 1046 | final updated = |
| 1047 | accounts.where((final a) => a.id == accountId).firstOrNull; |
| 1048 | if (updated == null) { |
| 1049 | throw Exception('account $accountId not found after update'); |
| 1050 | } |
| 1051 | if (updated.birth != height) { |
| 1052 | throw Exception( |
| 1053 | 'birth height did not persist: wanted $height, ' |
| 1054 | 'database still has ${updated.birth}', |
| 1055 | ); |
| 1056 | } |
| 1057 | |
| 1058 | await zkool_account.resetSync(id: accountId, c: coin); |
| 1059 | }, |
| 1060 | ); |
| 1061 | |
| 1062 | lastKnownRestoreHeight = height; |
| 1063 | await save(); |
| 1064 | |
| 1065 | syncStatus = ConnectedSyncStatus(); |
| 1066 | unawaited(startSync()); |
| 1067 | } catch (e) { |
| 1068 | printV('Zcash rescan failed: $e'); |
| 1069 | syncStatus = FailedSyncStatus(error: e.toString()); |
| 1070 | } |
| 1071 | // try { |
| 1072 | // syncStatus = StartingScanSyncStatus(height); |
| 1073 | // printV("rescanning from: $height"); |
| 1074 | // await zkool_sync.cancelSync(); |
| 1075 | // isSyncing = false; |
| 1076 | |
| 1077 | // await runWithCoinMutex.acquire(); |
| 1078 | // try { |
| 1079 | // final oldAddresses = await _getAddressesForAccount(accountId); |
| 1080 | |
| 1081 | // c = await c.setAccount(account: accountId); |
| 1082 | // final accountSeed = await zkool_account.getAccountSeed(account: accountId, c: c); |
| 1083 | // if (accountSeed == null) { |
| 1084 | // throw Exception('Cannot rescan: seed not available'); |
| 1085 | // } |
| 1086 | |
| 1087 | // final newAccountId = await restoreZcashWalletFromSeed( |
| 1088 | // name: name, |
| 1089 | // seed: accountSeed.mnemonic, |
| 1090 | // passphrase: accountSeed.phrase, |
| 1091 | // birthHeight: height, |
| 1092 | // ); |
| 1093 | |
| 1094 | // final newAddresses = await _getAddressesForAccount(newAccountId); |
| 1095 | // if (!_addressesMatch(oldAddresses, newAddresses)) { |
| 1096 | // throw Exception('Rescan address verification failed'); |
| 1097 | // } |
| 1098 | |
| 1099 | // await saveAccountId(name, newAccountId); |
| 1100 | // await _switchToAccount(newAccountId, height); |
| 1101 | // } finally { |
| 1102 | // runWithCoinMutex.release(); |
| 1103 | // } |
| 1104 | |
| 1105 | // syncStatus = ConnectedSyncStatus(); |
| 1106 | // } catch (e) { |
| 1107 | // printV("Rescan error: $e"); |
| 1108 | // syncStatus = FailedSyncStatus(error: e.toString()); |
| 1109 | // rethrow; |
| 1110 | // } |
| 1111 | } |
| 1112 | |
| 1113 | bool _isTransactionUpdating = false; |
| 1114 | bool _transactionUpdateQueued = false; |
| 1115 | |
| 1116 | Future<void> updateTransactions() async { |
| 1117 | if (_isTransactionUpdating) { |
| 1118 | _transactionUpdateQueued = true; |
| 1119 | return; |
| 1120 | } |
| 1121 | |
| 1122 | _isTransactionUpdating = true; |
| 1123 | try { |
| 1124 | do { |
| 1125 | _transactionUpdateQueued = false; |
| 1126 | final transactions = await fetchTransactions(); |
| 1127 | |
| 1128 | final currentIds = transactionHistory.transactions.keys.toSet(); |
| 1129 | final newIds = transactions.keys.toSet(); |
| 1130 | |
| 1131 | currentIds |
| 1132 | .difference(newIds) |
| 1133 | .forEach((final id) => transactionHistory.transactions.remove(id)); |
| 1134 | |
| 1135 | transactions.forEach((final key, final tx) { |
| 1136 | transactionHistory.transactions[key] = tx; |
| 1137 | }); |
| 1138 | await transactionHistory.save(); |
| 1139 | } while (_transactionUpdateQueued); |
| 1140 | } catch (e, stackTrace) { |
| 1141 | printV("Update transactions error: $e"); |
| 1142 | printV("Stack trace: $stackTrace"); |
| 1143 | } finally { |
| 1144 | _isTransactionUpdating = false; |
| 1145 | } |
| 1146 | } |
| 1147 | |
| 1148 | @override |
| 1149 | Future<void> save() async {} |
| 1150 | |
| 1151 | Future<void> init() async { |
| 1152 | try { |
| 1153 | await ZcashTaddressRotation.init(); |
| 1154 | await walletAddresses.init(); |
| 1155 | |
| 1156 | await updateBalance(); |
| 1157 | await updateTransactions(); |
| 1158 | unawaited( |
| 1159 | ZcashTaddressRotation.updateCache(mainAccountId: accountId) |
| 1160 | .catchError((final e) => printV("rotation cache refresh: $e")), |
| 1161 | ); |
| 1162 | await _initKeys(); |
| 1163 | } catch (e) { |
| 1164 | printV("Wallet init error: $e"); |
| 1165 | } |
| 1166 | } |
| 1167 | |
| 1168 | @override |
| 1169 | String? seed = ""; |
| 1170 | |
| 1171 | @override |
| 1172 | String? passphrase = ""; |
| 1173 | |
| 1174 | @override |
| 1175 | Future<String> signMessage(final String message, {final String? address = null}) { |
| 1176 | throw UnimplementedError(); |
| 1177 | } |
| 1178 | |
| 1179 | @override |
| 1180 | @action |
| 1181 | Future<void> startSync() async { |
| 1182 | if (syncStatus is AttemptingSyncStatus || |
| 1183 | syncStatus is SyncronizingSyncStatus || |
| 1184 | syncStatus is SyncingSyncStatus) { |
| 1185 | return; |
| 1186 | } |
| 1187 | try { |
| 1188 | _ensureSyncLoopRunning(); |
| 1189 | unawaited(_oneshotSync()); |
| 1190 | } catch (e) { |
| 1191 | isNodeWorking = false; |
| 1192 | printV("Sync error: $e"); |
| 1193 | syncStatus = FailedSyncStatus(error: e.toString()); |
| 1194 | rethrow; |
| 1195 | } |
| 1196 | } |
| 1197 | |
| 1198 | static Mutex warpSyncMutex = Mutex(); |
| 1199 | |
| 1200 | static final autoShieldMutex = Mutex(); |
| 1201 | static DateTime? _lastAutoShieldAt; |
| 1202 | static final ironwoodMigrateMutex = Mutex(); |
| 1203 | static DateTime? _lastIronwoodMigrateAt; |
| 1204 | Future<void> _autoShield() async { |
| 1205 | if (_lastAutoShieldAt != null && |
| 1206 | _lastAutoShieldAt!.isAfter(DateTime.now().subtract(const Duration(seconds: 75)))) { |
| 1207 | return; |
| 1208 | } |
| 1209 | try { |
| 1210 | await autoShieldMutex.acquire(); |
| 1211 | await _$autoShield(); |
| 1212 | } catch (e, s) { |
| 1213 | printV("shielding failed: $e"); |
| 1214 | s.toString().split("\n").forEach(printV); |
| 1215 | } finally { |
| 1216 | autoShieldMutex.release(); |
| 1217 | } |
| 1218 | } |
| 1219 | |
| 1220 | /// Total of transparent + sapling notes at or above the per-note spendable floor. |
| 1221 | static Future<BigInt> _sweepableTotal(final zkool_coin.Coin coin) async { |
| 1222 | final notes = await zkool_account.listNotes(c: coin); |
| 1223 | BigInt sweepable = BigInt.zero; |
| 1224 | for (int i = 0; i < notes.length; i++) { |
| 1225 | final note = notes[i]; |
| 1226 | if (note.pool < 0 || note.pool >= NotePool.values.length) { |
| 1227 | continue; |
| 1228 | } |
| 1229 | final noteType = NotePool.values[note.pool]; |
| 1230 | if ((noteType == NotePool.transparent || noteType == NotePool.sapling) && |
| 1231 | note.value >= BigInt.from(ZcashTaddressRotation.minSpendableNote)) { |
| 1232 | sweepable += note.value; |
| 1233 | } |
| 1234 | } |
| 1235 | return sweepable; |
| 1236 | } |
| 1237 | |
| 1238 | /// Orchard notes that migration will actually split or move to Ironwood. |
| 1239 | static Future<BigInt> _migratableOrchardTotal(final zkool_coin.Coin coin) async { |
| 1240 | final notes = await zkool_account.listNotes(c: coin); |
| 1241 | BigInt migratable = BigInt.zero; |
| 1242 | for (int i = 0; i < notes.length; i++) { |
| 1243 | final note = notes[i]; |
| 1244 | if (note.pool != NotePool.orchard.index || note.locked) { |
| 1245 | continue; |
| 1246 | } |
| 1247 | if (note.value >= BigInt.from(_ironwoodMigrateMinNote)) { |
| 1248 | migratable += note.value; |
| 1249 | } |
| 1250 | } |
| 1251 | return migratable; |
| 1252 | } |
| 1253 | |
| 1254 | Future<bool> hasOrchardMigratableBalance() async { |
| 1255 | |
| 1256 | final (active, migratableOrchard) = await runWithCoin( |
| 1257 | accountId: accountId, |
| 1258 | func: (final coin) async => ( |
| 1259 | await zkool_network.isIronwoodActive(c: coin), |
| 1260 | await _migratableOrchardTotal(coin), |
| 1261 | ), |
| 1262 | ); |
| 1263 | |
| 1264 | if(!active) { |
| 1265 | return false; |
| 1266 | } |
| 1267 | |
| 1268 | return migratableOrchard > BigInt.zero; |
| 1269 | } |
| 1270 | |
| 1271 | Future<void> _$autoShield() async { |
| 1272 | if (syncStatus is! SyncedSyncStatus) { |
| 1273 | return; |
| 1274 | } |
| 1275 | final txId = await runWithCoin( |
| 1276 | accountId: accountId, |
| 1277 | func: (coin) async { |
| 1278 | final sweepable = await _sweepableTotal(coin); |
| 1279 | final ironwood = await zkool_network.isIronwoodActive(c: coin); |
| 1280 | |
| 1281 | if (sweepable <= BigInt.from(_minSweepThreshold(ironwood: ironwood))) { |
| 1282 | return null; |
| 1283 | } |
| 1284 | final txPlan = await zkool_pay.prepare( |
| 1285 | recipients: [ |
| 1286 | zkool_paydart.Recipient( |
| 1287 | assetBase: zecBase, |
| 1288 | address: walletAddresses.orchardAddress!, |
| 1289 | amount: sweepable, |
| 1290 | pools: ironwood ? ironwoodPoolMask : null, |
| 1291 | ), |
| 1292 | ], |
| 1293 | options: zkool_pay.PaymentOptions( |
| 1294 | srcPools: 3, |
| 1295 | recipientPaysFee: true, |
| 1296 | smartTransparent: false, |
| 1297 | mode: 0, |
| 1298 | ), |
| 1299 | c: coin, |
| 1300 | ); |
| 1301 | |
| 1302 | final signTx = await zkool_pay.signTransaction(pczt: txPlan, c: coin); |
| 1303 | final txBytes = await zkool_pay.extractTransaction(package: signTx); |
| 1304 | final currentHeight = await zkool_network.getCurrentHeight(c: coin); |
| 1305 | return await zkool_pay.broadcastTransaction( |
| 1306 | height: currentHeight, |
| 1307 | txBytes: txBytes, |
| 1308 | c: coin, |
| 1309 | ); |
| 1310 | }, |
| 1311 | ); |
| 1312 | if (txId == null) { |
| 1313 | return; |
| 1314 | } |
| 1315 | |
| 1316 | await ZcashWalletService.addShieldedTx(txId); |
| 1317 | _lastAutoShieldAt = DateTime.now(); |
| 1318 | printV("shielded: $txId"); |
| 1319 | await updateTransactions(); |
| 1320 | await _refreshBalance(runAutoShield: false, runIronwoodMigrate: false); |
| 1321 | } |
| 1322 | |
| 1323 | Future<void> _ironwoodMigrate() async { |
| 1324 | if (_lastIronwoodMigrateAt != null && |
| 1325 | _lastIronwoodMigrateAt!.isAfter(DateTime.now().subtract(const Duration(seconds: 75)))) { |
| 1326 | return; |
| 1327 | } |
| 1328 | try { |
| 1329 | await ironwoodMigrateMutex.acquire(); |
| 1330 | await _$ironwoodMigrate(); |
| 1331 | } catch (e, s) { |
| 1332 | printV("ironwood migration failed: $e"); |
| 1333 | s.toString().split("\n").forEach(printV); |
| 1334 | } finally { |
| 1335 | ironwoodMigrateMutex.release(); |
| 1336 | } |
| 1337 | } |
| 1338 | |
| 1339 | Future<void> _$ironwoodMigrate() async { |
| 1340 | if (syncStatus is! SyncedSyncStatus) { |
| 1341 | return; |
| 1342 | } |
| 1343 | final event = await runWithCoin( |
| 1344 | accountId: accountId, |
| 1345 | func: (coin) async { |
| 1346 | if (!await zkool_network.isIronwoodActive(c: coin)) { |
| 1347 | return null; |
| 1348 | } |
| 1349 | final bal = await zkool_sync.balance(c: coin); |
| 1350 | if (bal.field0.length <= 2 || bal.field0[2] <= BigInt.zero) { |
| 1351 | return null; |
| 1352 | } |
| 1353 | return zkool_migrate.stepMigration(c: coin); |
| 1354 | }, |
| 1355 | ); |
| 1356 | if (event == null) { |
| 1357 | return; |
| 1358 | } |
| 1359 | switch (event) { |
| 1360 | case zkool_migrate.MigrationEvent_Complete(): |
| 1361 | case zkool_migrate.MigrationEvent_NothingToDo(): |
| 1362 | return; |
| 1363 | case zkool_migrate.MigrationEvent_SplitComplete(:final fee): |
| 1364 | printV("ironwood split step complete, fee: $fee"); |
| 1365 | case zkool_migrate.MigrationEvent_MigrateComplete(:final fee): |
| 1366 | printV("ironwood migrate step complete, fee: $fee"); |
| 1367 | case zkool_migrate.MigrationEvent_Error(:final message): |
| 1368 | printV("ironwood migration error: $message"); |
| 1369 | return; |
| 1370 | } |
| 1371 | |
| 1372 | _lastIronwoodMigrateAt = DateTime.now(); |
| 1373 | await updateTransactions(); |
| 1374 | await _refreshBalance(runAutoShield: false, runIronwoodMigrate: false); |
| 1375 | } |
| 1376 | |
| 1377 | Future<void> _updateIronwoodActive() async { |
| 1378 | bool? active; |
| 1379 | try { |
| 1380 | active = await runWithCoin( |
| 1381 | accountId: accountId, |
| 1382 | func: (final coin) => zkool_network.isIronwoodActive(c: coin), |
| 1383 | ); |
| 1384 | } catch (e) { |
| 1385 | printV("isIronwoodActive: $e"); |
| 1386 | } |
| 1387 | |
| 1388 | if (active == null && networkFor(walletInfo) == ZcashNetwork.regtest) { |
| 1389 | try { |
| 1390 | final height = await runWithCoin( |
| 1391 | accountId: accountId, |
| 1392 | func: (final coin) => zkool_network.getCurrentHeight(c: coin), |
| 1393 | ); |
| 1394 | active = height >= ZcashNetwork.regtestNu63Height; |
| 1395 | printV("regtest ironwood inferred from height $height: $active"); |
| 1396 | } catch (e) { |
| 1397 | printV("regtest height check failed: $e"); |
| 1398 | } |
| 1399 | } |
| 1400 | |
| 1401 | if (active == null) { |
| 1402 | return; |
| 1403 | } |
| 1404 | |
| 1405 | ironwoodActive = active; |
| 1406 | runInAction(() => walletAddresses.setIronwoodActive(active!)); |
| 1407 | printV("ironwoodActive=$active (account $accountId)"); |
| 1408 | } |
| 1409 | |
| 1410 | Future<void> _refreshBalance({ |
| 1411 | required final bool runAutoShield, |
| 1412 | final bool runIronwoodMigrate = true, |
| 1413 | }) async { |
| 1414 | try { |
| 1415 | await _updateIronwoodActive(); |
| 1416 | if (runAutoShield) { |
| 1417 | await _autoShield(); |
| 1418 | } |
| 1419 | if (runIronwoodMigrate) { |
| 1420 | await _ironwoodMigrate(); |
| 1421 | } |
| 1422 | |
| 1423 | final (bal, sweepable, migratableOrchard) = await runWithCoin( |
| 1424 | accountId: accountId, |
| 1425 | func: (final coin) async => ( |
| 1426 | await zkool_sync.balance(c: coin), |
| 1427 | await _sweepableTotal(coin), |
| 1428 | await _migratableOrchardTotal(coin), |
| 1429 | ), |
| 1430 | ); |
| 1431 | |
| 1432 | // 0 - transparent, 1 - sapling, 2 - orchard, 3 - ironwood |
| 1433 | final orchard = bal.field0.length > 2 ? bal.field0[2] : BigInt.zero; |
| 1434 | final ironwood = bal.field0.length > 3 ? bal.field0[3] : BigInt.zero; |
| 1435 | |
| 1436 | // After NU6.3, Orchard notes are migrated to Ironwood - show them as unconfirmed. |
| 1437 | // Unavailable uses the same per-note totals and thresholds as auto-shield/migration guards. |
| 1438 | final BigInt availableAmount; |
| 1439 | final BigInt unavailableAmount; |
| 1440 | if (ironwoodActive == true && orchard > BigInt.zero) { |
| 1441 | final sweepableUnavailable = sweepable <= BigInt.from(_ironwoodMigrateMinNote) |
| 1442 | ? BigInt.zero |
| 1443 | : sweepable; |
| 1444 | availableAmount = ironwood; |
| 1445 | unavailableAmount = migratableOrchard + sweepableUnavailable; |
| 1446 | } else { |
| 1447 | final minSweep = _minSweepThreshold(ironwood: ironwoodActive == true); |
| 1448 | availableAmount = orchard + ironwood; |
| 1449 | unavailableAmount = sweepable <= BigInt.from(minSweep) ? BigInt.zero : sweepable; |
| 1450 | } |
| 1451 | |
| 1452 | balance[currency] = ZcashBalance( |
| 1453 | Money(availableAmount, currency), |
| 1454 | Money(unavailableAmount, currency), |
| 1455 | frozen: Money.zero(currency), |
| 1456 | ); |
| 1457 | } catch (e, stackTrace) { |
| 1458 | printV("Balance update error: $e"); |
| 1459 | printV("Stack trace: $stackTrace"); |
| 1460 | } |
| 1461 | } |
| 1462 | |
| 1463 | @override |
| 1464 | @action |
| 1465 | Future<void> updateBalance() async { |
| 1466 | await _refreshBalance(runAutoShield: true); |
| 1467 | } |
| 1468 | |
| 1469 | @override |
| 1470 | Future<bool> verifyMessage( |
| 1471 | final String message, |
| 1472 | final String signature, { |
| 1473 | final String? address = null, |
| 1474 | }) { |
| 1475 | throw UnimplementedError(); |
| 1476 | } |
| 1477 | |
| 1478 | @override |
| 1479 | late ZcashWalletAddresses walletAddresses = ZcashWalletAddresses(accountId, walletInfo); |
| 1480 | |
| 1481 | static Future<ZcashWallet> create(final WalletCredentials credentials) async { |
| 1482 | final network = networkForCredentials(credentials); |
| 1483 | await $init(network: network); |
| 1484 | credentials.walletInfo?.network = network.value; |
| 1485 | final newWalletCredentials = credentials as ZcashNewWalletCredentials; |
| 1486 | |
| 1487 | String mnemonic; |
| 1488 | if (newWalletCredentials.mnemonic?.isNotEmpty == true) { |
| 1489 | mnemonic = newWalletCredentials.mnemonic!; |
| 1490 | } else { |
| 1491 | final strength = (newWalletCredentials.seedPhraseLength == 24) ? 256 : 128; |
| 1492 | mnemonic = bip39.generateMnemonic(strength: strength); |
| 1493 | } |
| 1494 | |
| 1495 | final birthHeight = await birthHeightForNetwork(network); |
| 1496 | |
| 1497 | final accountId = await restoreZcashWalletFromSeed( |
| 1498 | name: credentials.name, |
| 1499 | seed: mnemonic, |
| 1500 | passphrase: newWalletCredentials.passphrase, |
| 1501 | birthHeight: birthHeight, |
| 1502 | ); |
| 1503 | await saveAccountId(credentials.name, accountId); |
| 1504 | final wallet = await open( |
| 1505 | name: credentials.name, |
| 1506 | password: credentials.password!, |
| 1507 | walletInfo: credentials.walletInfo!, |
| 1508 | ); |
| 1509 | await wallet.init(); |
| 1510 | return wallet; |
| 1511 | } |
| 1512 | |
| 1513 | static Future<ZcashWallet> restore(final WalletCredentials credentials) async { |
| 1514 | final network = networkForCredentials(credentials); |
| 1515 | await $init(network: network); |
| 1516 | credentials.walletInfo?.network = network.value; |
| 1517 | final fromSeedCredentials = credentials as ZcashFromSeedWalletCredentials; |
| 1518 | final String? seed = fromSeedCredentials.seed; |
| 1519 | if (seed == null || seed.isEmpty) { |
| 1520 | throw Exception('Seed phrase is required for wallet restoration'); |
| 1521 | } |
| 1522 | |
| 1523 | final accountId = await restoreZcashWalletFromSeed( |
| 1524 | name: credentials.name, |
| 1525 | seed: seed, |
| 1526 | passphrase: fromSeedCredentials.passphrase, |
| 1527 | birthHeight: credentials.height!, |
| 1528 | ); |
| 1529 | await saveAccountId(credentials.name, accountId); |
| 1530 | final wallet = await open( |
| 1531 | name: credentials.name, |
| 1532 | password: credentials.password!, |
| 1533 | walletInfo: credentials.walletInfo!, |
| 1534 | ); |
| 1535 | await wallet.init(); |
| 1536 | return wallet; |
| 1537 | } |
| 1538 | |
| 1539 | static Future<ZcashWallet> restoreKeys(final WalletCredentials credentials) async { |
| 1540 | final network = networkForCredentials(credentials); |
| 1541 | await $init(network: network); |
| 1542 | credentials.walletInfo?.network = network.value; |
| 1543 | final fromKeysCredentials = credentials as ZcashFromKeysWalletCredentials; |
| 1544 | final String? keys = fromKeysCredentials.privateKey; |
| 1545 | if (keys == null || keys.isEmpty) { |
| 1546 | throw Exception('Key is required for wallet restoration'); |
| 1547 | } |
| 1548 | |
| 1549 | final zcashSecretExtendedKeyRegex = RegExp(r'^secret-extended-key-main1[a-z0-9]+$'); |
| 1550 | if (!zcashSecretExtendedKeyRegex.hasMatch(keys)) { |
| 1551 | throw Exception('Key is not in secret-extended-key-main1 format'); |
| 1552 | } |
| 1553 | |
| 1554 | final accountId = await restoreZcashWalletFromSeed( |
| 1555 | name: credentials.name, |
| 1556 | seed: keys, |
| 1557 | passphrase: fromKeysCredentials.passphrase, |
| 1558 | birthHeight: credentials.height!, |
| 1559 | ); |
| 1560 | await saveAccountId(credentials.name, accountId); |
| 1561 | final wallet = await open( |
| 1562 | name: credentials.name, |
| 1563 | password: credentials.password!, |
| 1564 | walletInfo: credentials.walletInfo!, |
| 1565 | ); |
| 1566 | await wallet.init(); |
| 1567 | printV("height: ${credentials.height}"); |
| 1568 | return wallet; |
| 1569 | } |
| 1570 | |
| 1571 | static Future<ZcashWallet> open({ |
| 1572 | required final String name, |
| 1573 | required final String password, |
| 1574 | required final WalletInfo walletInfo, |
| 1575 | }) async { |
| 1576 | final network = networkFor(walletInfo); |
| 1577 | await $init(network: network); |
| 1578 | // if (password.isNotEmpty) { |
| 1579 | // setDbPasswd(coin, password); |
| 1580 | // } |
| 1581 | final accountId = await getZcashAccountIdForName(name); |
| 1582 | if (accountId == null) { |
| 1583 | throw Exception("accountId is null"); |
| 1584 | } |
| 1585 | c = await c.setAccount(account: accountId); |
| 1586 | final wallet = ZcashWallet( |
| 1587 | walletInfo, |
| 1588 | await walletInfo.getDerivationInfo(), |
| 1589 | accountId: accountId, |
| 1590 | ); |
| 1591 | await wallet._initKeys(); |
| 1592 | return wallet; |
| 1593 | } |
| 1594 | |
| 1595 | static Future<int> restoreZcashWalletFromSeed({ |
| 1596 | required final String name, |
| 1597 | required final String seed, |
| 1598 | required final String? passphrase, |
| 1599 | required final int birthHeight, |
| 1600 | }) async { |
| 1601 | // if (passphrase?.isNotEmpty == true) { |
| 1602 | // passphrase = passphrase!.replaceAll(" ", "_"); |
| 1603 | // seed = "${seed} ${passphrase}"; |
| 1604 | // } |
| 1605 | |
| 1606 | final accountId = await newAccount( |
| 1607 | name: name, |
| 1608 | height: birthHeight, |
| 1609 | seed: seed, |
| 1610 | passphrase: passphrase ?? '', |
| 1611 | ); |
| 1612 | return accountId; |
| 1613 | } |
| 1614 | |
| 1615 | static Future<int?> getLegacyZcashAccountIdForName(final String name) async { |
| 1616 | final wPath = (await pathForWallet(name: name, type: _type)); |
| 1617 | final f = File(wPath); |
| 1618 | if (!f.existsSync()) { |
| 1619 | final accs = await zkool_account.listAccounts(c: c); |
| 1620 | for (final acc in accs) { |
| 1621 | if (acc.name == name) { |
| 1622 | return acc.id; |
| 1623 | } |
| 1624 | } |
| 1625 | } |
| 1626 | final content = f.readAsStringSync(); |
| 1627 | return int.tryParse(content.trim()); |
| 1628 | } |
| 1629 | |
| 1630 | static Future<int?> getZcashAccountIdForName(final String name) async { |
| 1631 | final wPath = (await pathForWallet(name: name, type: _type)) + ".v2"; |
| 1632 | final f = File(wPath); |
| 1633 | if (!f.existsSync()) { |
| 1634 | final accs = await zkool_account.listAccounts(c: c); |
| 1635 | for (final acc in accs) { |
| 1636 | if (acc.name == name) { |
| 1637 | return acc.id; |
| 1638 | } |
| 1639 | } |
| 1640 | } |
| 1641 | final content = f.readAsStringSync(); |
| 1642 | return int.tryParse(content.trim()); |
| 1643 | } |
| 1644 | |
| 1645 | static Future<void> saveAccountId(final String name, final int accountId) async { |
| 1646 | final wPath = (await pathForWallet(name: name, type: _type)) + ".v2"; |
| 1647 | final dirName = Directory(wPath).parent.path; |
| 1648 | if (!Directory(dirName).existsSync()) { |
| 1649 | Directory(dirName).createSync(recursive: true); |
| 1650 | } |
| 1651 | final f = File(wPath); |
| 1652 | f.writeAsStringSync(accountId.toString()); |
| 1653 | } |
| 1654 | |
| 1655 | static WalletType get _type => WalletType.zcash; |
| 1656 | |
| 1657 | static ZcashNetwork networkFor(final WalletInfo? walletInfo) => |
| 1658 | ZcashNetwork.fromName(walletInfo?.network ?? ZcashNetwork.mainnet.value); |
| 1659 | |
| 1660 | static ZcashNetwork networkForCredentials(final WalletCredentials credentials) { |
| 1661 | if (credentials is ZcashNewWalletCredentials) { |
| 1662 | return ZcashNetwork.fromIndex(credentials.network); |
| 1663 | } |
| 1664 | if (credentials is ZcashFromSeedWalletCredentials) { |
| 1665 | return ZcashNetwork.fromIndex(credentials.network); |
| 1666 | } |
| 1667 | if (credentials is ZcashFromKeysWalletCredentials) { |
| 1668 | return ZcashNetwork.fromIndex(credentials.network); |
| 1669 | } |
| 1670 | return ZcashNetwork.mainnet; |
| 1671 | } |
| 1672 | |
| 1673 | static Future<int> birthHeightForNetwork(final ZcashNetwork network) async { |
| 1674 | if (network != ZcashNetwork.mainnet) { |
| 1675 | return 1; |
| 1676 | } |
| 1677 | return ZcashHeight.getBlockHeightByTime(DateTime.now()); |
| 1678 | } |
| 1679 | |
| 1680 | static Future<String> getDbDataPath({final ZcashNetwork network = ZcashNetwork.mainnet}) async { |
| 1681 | final pathForWalletType = await pathForWalletTypeDir(type: _type); |
| 1682 | final dbDataPath = "${pathForWalletType}/${network.dbFileName}"; |
| 1683 | if (!Directory(pathForWalletType).existsSync()) { |
| 1684 | Directory(pathForWalletType).createSync(recursive: true); |
| 1685 | } |
| 1686 | return dbDataPath; |
| 1687 | } |
| 1688 | |
| 1689 | static Future<String> getDbDataPathLegacyYwallet() async { |
| 1690 | final pathForWalletType = await pathForWalletTypeDir(type: _type); |
| 1691 | final dbDataPath = "${pathForWalletType}/zec.db"; |
| 1692 | if (!Directory(pathForWalletType).existsSync()) { |
| 1693 | Directory(pathForWalletType).createSync(recursive: true); |
| 1694 | } |
| 1695 | return dbDataPath; |
| 1696 | } |
| 1697 | |
| 1698 | static bool _initialized = false; |
| 1699 | static bool _rustInitialized = false; |
| 1700 | static ZcashNetwork? _activeNetwork; |
| 1701 | |
| 1702 | static void unlockDatabase(final String password) { |
| 1703 | _password = password; |
| 1704 | } |
| 1705 | |
| 1706 | static var c = zkool_coin.Coin(); |
| 1707 | |
| 1708 | static String? _password; |
| 1709 | static Future<void> $init({final ZcashNetwork network = ZcashNetwork.mainnet}) async { |
| 1710 | if (!_rustInitialized) { |
| 1711 | await zkool_frb.RustLib.init(); |
| 1712 | _rustInitialized = true; |
| 1713 | } |
| 1714 | if (_initialized && _activeNetwork == network) { |
| 1715 | return; |
| 1716 | } |
| 1717 | printV(r".$init($network)"); |
| 1718 | ZcashMempoolService.instance.onAccountsUpdated = (final accountIds) { |
| 1719 | for (final accountId in accountIds) { |
| 1720 | unawaited(refreshWalletForAccount(accountId)); |
| 1721 | } |
| 1722 | }; |
| 1723 | final dbFile = File(await getDbDataPath(network: network)); |
| 1724 | final ywalletDbFile = File(await getDbDataPathLegacyYwallet()); |
| 1725 | await zkool_network.initDatadir(directory: dbFile.parent.path); |
| 1726 | c = await c.openDatabase(dbFilepath: dbFile.path, password: null); |
| 1727 | printV("initWallet: ${dbFile.path}"); |
| 1728 | if (_password == null) { |
| 1729 | throw Exception("Zcash wallet locked! Please contact support"); |
| 1730 | } |
| 1731 | if (!dbFile.existsSync()) { |
| 1732 | //TODO(mrcyjanek): copy-encrypt |
| 1733 | } |
| 1734 | if (!ywalletDbFile.existsSync()) { |
| 1735 | //TODO(mrcyjanek): migrate to zkool |
| 1736 | } |
| 1737 | |
| 1738 | _activeNetwork = network; |
| 1739 | _initialized = true; |
| 1740 | } |
| 1741 | |
| 1742 | static Future<int> getHeightByDate(final DateTime date) async { |
| 1743 | final height = await ZcashHeight.getBlockHeightByTime(date); |
| 1744 | return height; |
| 1745 | } |
| 1746 | |
| 1747 | static Future<int> newAccount({ |
| 1748 | required final String name, |
| 1749 | required final int height, |
| 1750 | required final String seed, |
| 1751 | required final String passphrase, |
| 1752 | }) async { |
| 1753 | final id = await zkool_account.newAccount( |
| 1754 | na: zkool_account.NewAccount( |
| 1755 | name: name, |
| 1756 | restore: true, |
| 1757 | passphrase: passphrase, |
| 1758 | key: seed, |
| 1759 | aindex: 0, |
| 1760 | birth: height, |
| 1761 | folder: '', |
| 1762 | useInternal: true, |
| 1763 | internal: false, |
| 1764 | ledger: false, |
| 1765 | ), |
| 1766 | c: c, |
| 1767 | ); |
| 1768 | return id; |
| 1769 | } |
| 1770 | |
| 1771 | static final runWithCoinMutex = Mutex(); |
| 1772 | static int runWithCoinCount = 0; |
| 1773 | |
| 1774 | static Future<T> withSharedCoinLock<T>(final FutureOr<T> Function() func) async { |
| 1775 | await runWithCoinMutex.acquire(); |
| 1776 | try { |
| 1777 | return await func(); |
| 1778 | } finally { |
| 1779 | runWithCoinMutex.release(); |
| 1780 | } |
| 1781 | } |
| 1782 | |
| 1783 | static FutureOr<T> runWithCoin<T>({ |
| 1784 | required final int accountId, |
| 1785 | required final FutureOr<T> Function(zkool_coin.Coin c) func, |
| 1786 | }) async { |
| 1787 | var newC = zkool_coin.Coin(); |
| 1788 | newC = await newC.openDatabase(dbFilepath: c.dbFilepath); |
| 1789 | newC = await newC.setAccount(account: accountId); |
| 1790 | newC = await newC.setLwd(serverType: c.serverType, url: c.url); |
| 1791 | newC = await newC.setUseTor(useTor: c.useTor); |
| 1792 | |
| 1793 | runWithCoinCount++; |
| 1794 | printV("run with coin: $runWithCoinCount"); |
| 1795 | await runWithCoinMutex.acquire(); |
| 1796 | try { |
| 1797 | newC = await newC.setAccount(account: accountId); |
| 1798 | return await func(newC); |
| 1799 | } finally { |
| 1800 | runWithCoinMutex.release(); |
| 1801 | runWithCoinCount--; |
| 1802 | } |
| 1803 | } |
| 1804 | } |