| 1 | import 'dart:async'; |
| 2 | import 'dart:convert'; |
| 3 | import 'dart:developer'; |
| 4 | |
| 5 | import 'package:bip39/bip39.dart' as bip39; |
| 6 | import 'package:blockchain_utils/blockchain_utils.dart'; |
| 7 | import 'package:cw_core/amount/money.dart'; |
| 8 | import 'package:cw_core/crypto_currency.dart'; |
| 9 | import 'package:cw_core/encryption_file_utils.dart'; |
| 10 | import 'package:cw_core/node.dart'; |
| 11 | import 'package:cw_core/pathForWallet.dart'; |
| 12 | import 'package:cw_core/pending_transaction.dart'; |
| 13 | import 'package:cw_core/sync_status.dart'; |
| 14 | import 'package:cw_core/transaction_direction.dart'; |
| 15 | import 'package:cw_core/transaction_priority.dart'; |
| 16 | import 'package:cw_core/wallet_addresses.dart'; |
| 17 | import 'package:cw_core/wallet_base.dart'; |
| 18 | import 'package:cw_core/wallet_info.dart'; |
| 19 | import 'package:cw_core/wallet_keys_file.dart'; |
| 20 | import 'package:cw_core/wallet_type.dart'; |
| 21 | import 'package:cw_tron/default_tron_tokens.dart'; |
| 22 | import 'package:cw_tron/tron_abi.dart'; |
| 23 | import 'package:cw_tron/tron_balance.dart'; |
| 24 | import 'package:cw_tron/tron_client.dart'; |
| 25 | import 'package:cw_tron/tron_exception.dart'; |
| 26 | import 'package:cw_core/tron_token.dart'; |
| 27 | import 'package:cw_tron/tron_transaction_credentials.dart'; |
| 28 | import 'package:cw_tron/tron_transaction_history.dart'; |
| 29 | import 'package:cw_tron/tron_transaction_info.dart'; |
| 30 | import 'package:cw_tron/tron_wallet_addresses.dart'; |
| 31 | import 'package:mobx/mobx.dart'; |
| 32 | import 'package:on_chain/on_chain.dart'; |
| 33 | |
| 34 | part 'tron_wallet.g.dart'; |
| 35 | |
| 36 | class TronWallet = TronWalletBase with _$TronWallet; |
| 37 | |
| 38 | abstract class TronWalletBase |
| 39 | extends WalletBase<TronBalance, TronTransactionHistory, TronTransactionInfo> |
| 40 | with Store, WalletKeysFile { |
| 41 | TronWalletBase({ |
| 42 | required WalletInfo walletInfo, |
| 43 | required DerivationInfo derivationInfo, |
| 44 | String? mnemonic, |
| 45 | String? privateKey, |
| 46 | required String password, |
| 47 | TronBalance? initialBalance, |
| 48 | required this.encryptionFileUtils, |
| 49 | this.passphrase, |
| 50 | }) : syncStatus = const NotConnectedSyncStatus(), |
| 51 | _password = password, |
| 52 | _mnemonic = mnemonic, |
| 53 | _hexPrivateKey = privateKey, |
| 54 | _client = TronClient(), |
| 55 | walletAddresses = TronWalletAddresses(walletInfo), |
| 56 | balance = ObservableMap<CryptoCurrency, TronBalance>.of( |
| 57 | {CryptoCurrency.trx: initialBalance ?? TronBalance(Money.zero(CryptoCurrency.trx))}, |
| 58 | ), |
| 59 | super(walletInfo, derivationInfo) { |
| 60 | this.walletInfo = walletInfo; |
| 61 | transactionHistory = TronTransactionHistory( |
| 62 | walletInfo: walletInfo, password: password, encryptionFileUtils: encryptionFileUtils); |
| 63 | } |
| 64 | |
| 65 | final String? _mnemonic; |
| 66 | final String? _hexPrivateKey; |
| 67 | final String _password; |
| 68 | final EncryptionFileUtils encryptionFileUtils; |
| 69 | |
| 70 | List<TronToken> _tronTokens = []; |
| 71 | |
| 72 | late final TronPrivateKey _tronPrivateKey; |
| 73 | |
| 74 | late final TronPublicKey _tronPublicKey; |
| 75 | |
| 76 | TronPublicKey get tronPublicKey => _tronPublicKey; |
| 77 | |
| 78 | TronPrivateKey get tronPrivateKey => _tronPrivateKey; |
| 79 | |
| 80 | late String _tronAddress; |
| 81 | |
| 82 | late final TronClient _client; |
| 83 | |
| 84 | Timer? _transactionsUpdateTimer; |
| 85 | |
| 86 | @override |
| 87 | WalletAddresses walletAddresses; |
| 88 | |
| 89 | @observable |
| 90 | Money? nativeTxEstimatedFee; |
| 91 | |
| 92 | @observable |
| 93 | Money? trc20EstimatedFee; |
| 94 | |
| 95 | @override |
| 96 | @observable |
| 97 | SyncStatus syncStatus; |
| 98 | |
| 99 | @override |
| 100 | @observable |
| 101 | late ObservableMap<CryptoCurrency, TronBalance> balance; |
| 102 | |
| 103 | Future<void> init() async { |
| 104 | await initTronTokens(); |
| 105 | |
| 106 | await walletAddresses.init(); |
| 107 | await transactionHistory.init(); |
| 108 | _tronPrivateKey = await getPrivateKey( |
| 109 | mnemonic: _mnemonic, |
| 110 | privateKey: _hexPrivateKey, |
| 111 | password: _password, |
| 112 | passphrase: passphrase, |
| 113 | ); |
| 114 | |
| 115 | _tronPublicKey = _tronPrivateKey.publicKey(); |
| 116 | |
| 117 | _tronAddress = _tronPublicKey.toAddress().toString(); |
| 118 | |
| 119 | walletAddresses.address = _tronAddress; |
| 120 | |
| 121 | await save(); |
| 122 | } |
| 123 | |
| 124 | static Future<TronWallet> open({ |
| 125 | required String name, |
| 126 | required String password, |
| 127 | required WalletInfo walletInfo, |
| 128 | required EncryptionFileUtils encryptionFileUtils, |
| 129 | }) async { |
| 130 | final hasKeysFile = await WalletKeysFile.hasKeysFile(name, walletInfo.type); |
| 131 | final path = await pathForWallet(name: name, type: walletInfo.type); |
| 132 | |
| 133 | Map<String, dynamic>? data; |
| 134 | try { |
| 135 | final jsonSource = await encryptionFileUtils.read(path: path, password: password); |
| 136 | |
| 137 | data = json.decode(jsonSource) as Map<String, dynamic>; |
| 138 | } catch (e) { |
| 139 | if (!hasKeysFile) rethrow; |
| 140 | } |
| 141 | |
| 142 | final balance = TronBalance.fromJSON(data?['balance'] as String?, CryptoCurrency.trx) ?? |
| 143 | TronBalance(Money.zero(CryptoCurrency.trx)); |
| 144 | |
| 145 | final WalletKeysData keysData; |
| 146 | // Migrate wallet from the old scheme to then new .keys file scheme |
| 147 | if (!hasKeysFile) { |
| 148 | final mnemonic = data!['mnemonic'] as String?; |
| 149 | final privateKey = data['private_key'] as String?; |
| 150 | final passphrase = data['passphrase'] as String?; |
| 151 | |
| 152 | keysData = WalletKeysData(mnemonic: mnemonic, privateKey: privateKey, passphrase: passphrase); |
| 153 | } else { |
| 154 | keysData = await WalletKeysFile.readKeysFile( |
| 155 | name, |
| 156 | walletInfo.type, |
| 157 | password, |
| 158 | encryptionFileUtils, |
| 159 | ); |
| 160 | } |
| 161 | |
| 162 | final derivationInfo = await walletInfo.getDerivationInfo(); |
| 163 | |
| 164 | return TronWallet( |
| 165 | walletInfo: walletInfo, |
| 166 | derivationInfo: derivationInfo, |
| 167 | password: password, |
| 168 | mnemonic: keysData.mnemonic, |
| 169 | privateKey: keysData.privateKey, |
| 170 | passphrase: keysData.passphrase, |
| 171 | initialBalance: balance, |
| 172 | encryptionFileUtils: encryptionFileUtils, |
| 173 | ); |
| 174 | } |
| 175 | |
| 176 | Future<void> addInitialTokens() async { |
| 177 | final initialTronTokens = DefaultTronTokens().initialTronTokens; |
| 178 | |
| 179 | for (var token in initialTronTokens) { |
| 180 | final existingToken = _findCachedToken(token.contractAddress); |
| 181 | |
| 182 | final newToken = TronToken.copyWith( |
| 183 | token, |
| 184 | enabled: existingToken?.enabled ?? token.enabled, |
| 185 | walletName: walletInfo.name, |
| 186 | ); |
| 187 | |
| 188 | await newToken.save(); |
| 189 | _upsertCachedToken(newToken); |
| 190 | } |
| 191 | } |
| 192 | |
| 193 | Future<void> initTronTokens() async { |
| 194 | _tronTokens = await TronToken.getAllForWallet(walletInfo.name); |
| 195 | } |
| 196 | |
| 197 | TronToken? _findCachedToken(String contractAddress) { |
| 198 | for (final token in _tronTokens) { |
| 199 | if (token.contractAddress == contractAddress) return token; |
| 200 | } |
| 201 | |
| 202 | return null; |
| 203 | } |
| 204 | |
| 205 | void _upsertCachedToken(TronToken token) { |
| 206 | _tronTokens.removeWhere((t) => t.contractAddress == token.contractAddress); |
| 207 | _tronTokens.add(token); |
| 208 | } |
| 209 | |
| 210 | String idFor(String name, WalletType type) => '${walletTypeToString(type).toLowerCase()}_$name'; |
| 211 | |
| 212 | Future<TronPrivateKey> getPrivateKey({ |
| 213 | String? mnemonic, |
| 214 | String? privateKey, |
| 215 | required String password, |
| 216 | String? passphrase, |
| 217 | }) async { |
| 218 | assert(mnemonic != null || privateKey != null); |
| 219 | |
| 220 | if (privateKey != null) return TronPrivateKey(privateKey); |
| 221 | |
| 222 | final seed = bip39.mnemonicToSeed(mnemonic!, passphrase: passphrase ?? ''); |
| 223 | |
| 224 | // Derive a TRON private key from the seed |
| 225 | final bip44 = Bip44.fromSeed(seed, Bip44Coins.tron); |
| 226 | |
| 227 | final childKey = bip44.deriveDefaultPath; |
| 228 | |
| 229 | return TronPrivateKey.fromBytes(childKey.privateKey.raw); |
| 230 | } |
| 231 | |
| 232 | @override |
| 233 | int calculateEstimatedFee(TransactionPriority priority, int? amount) => 0; |
| 234 | |
| 235 | @override |
| 236 | Future<void> changePassword(String password) => throw UnimplementedError("changePassword"); |
| 237 | |
| 238 | @override |
| 239 | Future<void> close({bool shouldCleanup = false}) async => _transactionsUpdateTimer?.cancel(); |
| 240 | |
| 241 | @action |
| 242 | @override |
| 243 | Future<void> connectToNode({required Node node}) async { |
| 244 | try { |
| 245 | syncStatus = ConnectingSyncStatus(); |
| 246 | |
| 247 | final isConnected = _client.connect(node); |
| 248 | |
| 249 | if (!isConnected) { |
| 250 | throw Exception("${walletInfo.type.name.toUpperCase()} Node connection failed"); |
| 251 | } |
| 252 | |
| 253 | _getEstimatedFees(); |
| 254 | _setTransactionUpdateTimer(); |
| 255 | |
| 256 | syncStatus = ConnectedSyncStatus(); |
| 257 | } catch (e) { |
| 258 | syncStatus = FailedSyncStatus(); |
| 259 | } |
| 260 | } |
| 261 | |
| 262 | Future<void> _getEstimatedFees() async { |
| 263 | final nativeFee = await _getNativeTxFee(); |
| 264 | nativeTxEstimatedFee = Money.fromInt(nativeFee, currency); |
| 265 | |
| 266 | final trc20Fee = await _getTrc20TxFee(); |
| 267 | trc20EstimatedFee = Money.fromInt(trc20Fee, currency); |
| 268 | |
| 269 | log('Native Estimated Fee: $nativeTxEstimatedFee'); |
| 270 | log('TRC20 Estimated Fee: $trc20EstimatedFee'); |
| 271 | } |
| 272 | |
| 273 | Future<int> _getNativeTxFee() async { |
| 274 | try { |
| 275 | final fee = await _client.getEstimatedFee(_tronPublicKey.toAddress()); |
| 276 | return fee; |
| 277 | } catch (e) { |
| 278 | log(e.toString()); |
| 279 | return 0; |
| 280 | } |
| 281 | } |
| 282 | |
| 283 | Future<int> _getTrc20TxFee() async { |
| 284 | try { |
| 285 | final trc20fee = await _client.getTRCEstimatedFee(_tronPublicKey.toAddress()); |
| 286 | return trc20fee; |
| 287 | } catch (e) { |
| 288 | log(e.toString()); |
| 289 | return 0; |
| 290 | } |
| 291 | } |
| 292 | |
| 293 | @action |
| 294 | @override |
| 295 | Future<void> startSync() async { |
| 296 | try { |
| 297 | syncStatus = AttemptingSyncStatus(); |
| 298 | |
| 299 | // Verify node health before attempting to sync |
| 300 | final isHealthy = await checkNodeHealth(); |
| 301 | if (!isHealthy) { |
| 302 | syncStatus = FailedSyncStatus(); |
| 303 | return; |
| 304 | } |
| 305 | await _updateBalance(); |
| 306 | await fetchTransactions(); |
| 307 | fetchTrc20ExcludedTransactions(); |
| 308 | |
| 309 | syncStatus = SyncedSyncStatus(); |
| 310 | } catch (e) { |
| 311 | syncStatus = FailedSyncStatus(); |
| 312 | } |
| 313 | } |
| 314 | |
| 315 | @override |
| 316 | Future<PendingTransaction> createTransaction(Object credentials) async { |
| 317 | final tronCredentials = credentials as TronTransactionCredentials; |
| 318 | |
| 319 | final outputs = tronCredentials.outputs; |
| 320 | |
| 321 | final hasMultiDestination = outputs.length > 1; |
| 322 | |
| 323 | final transactionCurrency = balance.keys.firstWhere( |
| 324 | (currency) => |
| 325 | currency.title == tronCredentials.currency.title && |
| 326 | currency.tag == tronCredentials.currency.tag, |
| 327 | orElse: () => throw Exception( |
| 328 | 'Currency ${tronCredentials.currency.title} ${tronCredentials.currency.tag} is not accessible in the wallet, try to enable it first.')); |
| 329 | |
| 330 | final walletBalanceForCurrency = balance[transactionCurrency]!.balance; |
| 331 | |
| 332 | var totalAmount = Money.zero(transactionCurrency); |
| 333 | var shouldSendAll = false; |
| 334 | if (hasMultiDestination) { |
| 335 | // Tron does not have multi Destination right now |
| 336 | throw TronTransactionCreationException(transactionCurrency); |
| 337 | } else { |
| 338 | final output = outputs.first; |
| 339 | |
| 340 | shouldSendAll = output.sendAll; |
| 341 | |
| 342 | if (shouldSendAll) { |
| 343 | totalAmount = walletBalanceForCurrency; |
| 344 | } else { |
| 345 | totalAmount = output.cryptoAmount.copyWith(currency: transactionCurrency); |
| 346 | } |
| 347 | |
| 348 | if (walletBalanceForCurrency < totalAmount || totalAmount < Money.zero(transactionCurrency)) { |
| 349 | throw TronTransactionCreationException(transactionCurrency); |
| 350 | } |
| 351 | } |
| 352 | |
| 353 | final tronBalance = balance[CryptoCurrency.trx]?.balance ?? Money.zero(CryptoCurrency.trx); |
| 354 | |
| 355 | final pendingTransaction = await _client.signTransaction( |
| 356 | ownerPrivKey: _tronPrivateKey, |
| 357 | toAddress: tronCredentials.outputs.first.isParsedAddress |
| 358 | ? tronCredentials.outputs.first.extractedAddress! |
| 359 | : tronCredentials.outputs.first.address, |
| 360 | amount: totalAmount, |
| 361 | tronBalance: tronBalance.amount, |
| 362 | sendAll: shouldSendAll, |
| 363 | ); |
| 364 | |
| 365 | return pendingTransaction; |
| 366 | } |
| 367 | |
| 368 | @override |
| 369 | Future<void> updateTransactionsHistory() async { |
| 370 | await Future.wait([ |
| 371 | fetchTransactions(), |
| 372 | fetchTrc20ExcludedTransactions(), |
| 373 | ]); |
| 374 | } |
| 375 | |
| 376 | @override |
| 377 | Future<Map<String, TronTransactionInfo>> fetchTransactions() async { |
| 378 | final address = _tronAddress; |
| 379 | |
| 380 | final transactions = await _client.fetchTransactions(address); |
| 381 | |
| 382 | final Map<String, TronTransactionInfo> result = {}; |
| 383 | |
| 384 | final contract = ContractABI.fromJson(trc20Abi, isTron: true); |
| 385 | |
| 386 | final ownerAddress = TronAddress(_tronAddress); |
| 387 | |
| 388 | for (var transactionModel in transactions) { |
| 389 | if (transactionModel.isError) { |
| 390 | continue; |
| 391 | } |
| 392 | |
| 393 | // Filter out spam transactions that involve receiving TRC10 assets transaction, we deal with TRX and TRC20 transactions |
| 394 | if (transactionModel.contracts?.first.type == "TransferAssetContract") { |
| 395 | continue; |
| 396 | } |
| 397 | |
| 398 | var txCurrency = currency; |
| 399 | if (transactionModel.contractAddress != null) { |
| 400 | final tokenAddress = TronAddress(transactionModel.contractAddress!); |
| 401 | |
| 402 | final tokenSymbol = (await _client.getTokenDetail( |
| 403 | contract, |
| 404 | "symbol", |
| 405 | ownerAddress, |
| 406 | tokenAddress, |
| 407 | ) as String?) ?? |
| 408 | ''; |
| 409 | |
| 410 | final decimals = (await _client.getTokenDetail( |
| 411 | contract, |
| 412 | "decimals", |
| 413 | ownerAddress, |
| 414 | tokenAddress, |
| 415 | ) as BigInt?) |
| 416 | ?.toInt() ?? |
| 417 | txCurrency.decimals; |
| 418 | |
| 419 | txCurrency = CryptoCurrency(name: tokenSymbol, title: tokenSymbol, decimals: decimals); |
| 420 | } |
| 421 | |
| 422 | result[transactionModel.hash] = TronTransactionInfo( |
| 423 | id: transactionModel.hash, |
| 424 | amount: Money(transactionModel.amount ?? BigInt.zero, txCurrency), |
| 425 | direction: TronAddress(transactionModel.from!, visible: false).toAddress() == address |
| 426 | ? TransactionDirection.outgoing |
| 427 | : TransactionDirection.incoming, |
| 428 | blockTime: transactionModel.date, |
| 429 | fee: transactionModel.fee != null ? Money.fromInt(transactionModel.fee!, currency) : null, |
| 430 | to: transactionModel.to, |
| 431 | from: transactionModel.from, |
| 432 | isPending: false, |
| 433 | ); |
| 434 | } |
| 435 | |
| 436 | transactionHistory.addMany(result); |
| 437 | |
| 438 | await transactionHistory.save(); |
| 439 | |
| 440 | return transactionHistory.transactions; |
| 441 | } |
| 442 | |
| 443 | Future<void> fetchTrc20ExcludedTransactions() async { |
| 444 | final address = _tronAddress; |
| 445 | |
| 446 | final transactions = await _client.fetchTrc20ExcludedTransactions(address); |
| 447 | |
| 448 | final Map<String, TronTransactionInfo> result = {}; |
| 449 | |
| 450 | for (final transactionModel in transactions) { |
| 451 | if (transactionHistory.transactions.containsKey(transactionModel.hash)) { |
| 452 | continue; |
| 453 | } |
| 454 | |
| 455 | result[transactionModel.hash] = TronTransactionInfo( |
| 456 | id: transactionModel.hash, |
| 457 | amount: Money(transactionModel.amount ?? BigInt.zero, transactionModel.currency), |
| 458 | direction: transactionModel.from! == address |
| 459 | ? TransactionDirection.outgoing |
| 460 | : TransactionDirection.incoming, |
| 461 | blockTime: transactionModel.date, |
| 462 | fee: transactionModel.fee != null ? Money.fromInt(transactionModel.fee!, currency) : null, |
| 463 | to: transactionModel.to, |
| 464 | from: transactionModel.from, |
| 465 | isPending: false, |
| 466 | ); |
| 467 | } |
| 468 | |
| 469 | transactionHistory.addMany(result); |
| 470 | |
| 471 | await transactionHistory.save(); |
| 472 | } |
| 473 | |
| 474 | @override |
| 475 | Object get keys => throw UnimplementedError("keys"); |
| 476 | |
| 477 | @override |
| 478 | Future<void> rescan({required int height}) => throw UnimplementedError("rescan"); |
| 479 | |
| 480 | @override |
| 481 | Future<void> save() async { |
| 482 | if (!(await WalletKeysFile.hasKeysFile(walletInfo.name, walletInfo.type))) { |
| 483 | await saveKeysFile(_password, encryptionFileUtils); |
| 484 | saveKeysFile(_password, encryptionFileUtils, true); |
| 485 | } |
| 486 | |
| 487 | await walletAddresses.updateAddressesInBox(); |
| 488 | final path = await makePath(); |
| 489 | await encryptionFileUtils.write(path: path, password: _password, data: toJSON()); |
| 490 | await transactionHistory.save(); |
| 491 | } |
| 492 | |
| 493 | @override |
| 494 | String? get seed => _mnemonic; |
| 495 | |
| 496 | @override |
| 497 | String get privateKey => _tronPrivateKey.toHex(); |
| 498 | |
| 499 | @override |
| 500 | WalletKeysData get walletKeysData => WalletKeysData( |
| 501 | mnemonic: _mnemonic, |
| 502 | privateKey: privateKey, |
| 503 | passphrase: passphrase, |
| 504 | ); |
| 505 | |
| 506 | String toJSON() => json.encode({ |
| 507 | 'mnemonic': _mnemonic, |
| 508 | 'private_key': privateKey, |
| 509 | 'balance': balance[currency]!.toJSON(), |
| 510 | 'passphrase': passphrase, |
| 511 | }); |
| 512 | |
| 513 | Future<void> _updateBalance() async { |
| 514 | balance[currency] = await _fetchTronBalance(); |
| 515 | |
| 516 | await _fetchTronTokenBalances(); |
| 517 | await save(); |
| 518 | } |
| 519 | |
| 520 | Future<TronBalance> _fetchTronBalance() async { |
| 521 | final balance = await _client.getBalance(_tronPublicKey.toAddress()); |
| 522 | return TronBalance(Money(balance, CryptoCurrency.trx)); |
| 523 | } |
| 524 | |
| 525 | Future<void> _fetchTronTokenBalances() async { |
| 526 | for (var token in _tronTokens.toList()) { |
| 527 | try { |
| 528 | if (token.enabled) { |
| 529 | balance[token] = await _client.fetchTronTokenBalances( |
| 530 | _tronAddress, |
| 531 | token.contractAddress, |
| 532 | currency: token, |
| 533 | ); |
| 534 | } else { |
| 535 | balance.remove(token); |
| 536 | } |
| 537 | } catch (_) {} |
| 538 | } |
| 539 | } |
| 540 | |
| 541 | @override |
| 542 | Future<void>? updateBalance() async => await _updateBalance(); |
| 543 | |
| 544 | @override |
| 545 | Future<bool> checkNodeHealth() async { |
| 546 | try { |
| 547 | // Check native balance |
| 548 | await _client.getBalance(_tronPublicKey.toAddress(), throwOnError: true); |
| 549 | |
| 550 | // Check USDT token balance |
| 551 | final usdtContractAddress = DefaultTronTokens().usdt.contractAddress; |
| 552 | await _client.fetchTronTokenBalances(_tronAddress, usdtContractAddress, |
| 553 | throwOnError: true, currency: CryptoCurrency.usdttrc20); |
| 554 | |
| 555 | return true; |
| 556 | } catch (e) { |
| 557 | return false; |
| 558 | } |
| 559 | } |
| 560 | |
| 561 | List<TronToken> get tronTokenCurrencies => _tronTokens.toList(); |
| 562 | |
| 563 | Future<void> addTronToken(TronToken token) async { |
| 564 | String? iconPath; |
| 565 | if ((token.iconPath == null || token.iconPath!.isEmpty) && !token.isPotentialScam) { |
| 566 | try { |
| 567 | iconPath = CryptoCurrency.all |
| 568 | .firstWhere((element) => element.title.toUpperCase() == token.symbol.toUpperCase()) |
| 569 | .iconPath; |
| 570 | } catch (_) {} |
| 571 | } else if (!token.isPotentialScam) { |
| 572 | iconPath = token.iconPath; |
| 573 | } |
| 574 | |
| 575 | final newToken = TronToken( |
| 576 | name: token.name, |
| 577 | symbol: token.symbol, |
| 578 | contractAddress: token.contractAddress, |
| 579 | decimal: token.decimal, |
| 580 | enabled: token.enabled, |
| 581 | tag: token.tag ?? "TRX", |
| 582 | iconPath: iconPath, |
| 583 | isPotentialScam: token.isPotentialScam, |
| 584 | walletName: walletInfo.name, |
| 585 | ); |
| 586 | |
| 587 | await newToken.save(); |
| 588 | _upsertCachedToken(newToken); |
| 589 | |
| 590 | if (newToken.enabled) { |
| 591 | balance[newToken] = await _client |
| 592 | .fetchTronTokenBalances(_tronAddress, newToken.contractAddress, currency: token); |
| 593 | } else { |
| 594 | balance.remove(newToken); |
| 595 | } |
| 596 | } |
| 597 | |
| 598 | Future<void> deleteTronToken(TronToken token) async { |
| 599 | await TronToken.deleteForWallet(walletInfo.name, token.contractAddress); |
| 600 | _tronTokens.removeWhere((t) => t.contractAddress == token.contractAddress); |
| 601 | |
| 602 | balance.remove(token); |
| 603 | await _removeTokenTransactionsInHistory(token); |
| 604 | _updateBalance(); |
| 605 | } |
| 606 | |
| 607 | Future<void> _removeTokenTransactionsInHistory(TronToken token) async { |
| 608 | transactionHistory.transactions |
| 609 | .removeWhere((key, value) => value.amount.currency.symbol == token.title); |
| 610 | await transactionHistory.save(); |
| 611 | } |
| 612 | |
| 613 | Future<TronToken?> getTronToken(String contractAddress) async => |
| 614 | await _client.getTronToken(contractAddress, _tronAddress); |
| 615 | |
| 616 | void _setTransactionUpdateTimer() { |
| 617 | if (_transactionsUpdateTimer?.isActive ?? false) { |
| 618 | _transactionsUpdateTimer!.cancel(); |
| 619 | } |
| 620 | |
| 621 | _transactionsUpdateTimer = Timer.periodic(const Duration(seconds: 30), (_) async { |
| 622 | _updateBalance(); |
| 623 | await fetchTransactions(); |
| 624 | fetchTrc20ExcludedTransactions(); |
| 625 | }); |
| 626 | } |
| 627 | |
| 628 | @override |
| 629 | Future<String> signMessage(String message, {String? address}) async { |
| 630 | return _tronPrivateKey.signPersonalMessage(ascii.encode(message)); |
| 631 | } |
| 632 | |
| 633 | @override |
| 634 | Future<bool> verifyMessage(String message, String signature, {String? address}) async { |
| 635 | if (address == null) return false; |
| 636 | |
| 637 | final pubKey = TronPublicKey.fromPersonalSignature(ascii.encode(message), signature)!; |
| 638 | return pubKey.toAddress().toString() == address; |
| 639 | } |
| 640 | |
| 641 | String getTronBase58AddressFromHex(String hexAddress) => TronAddress(hexAddress).toAddress(); |
| 642 | |
| 643 | void updateScanProviderUsageState(bool isEnabled) { |
| 644 | if (isEnabled) { |
| 645 | fetchTransactions(); |
| 646 | fetchTrc20ExcludedTransactions(); |
| 647 | _setTransactionUpdateTimer(); |
| 648 | } else { |
| 649 | _transactionsUpdateTimer?.cancel(); |
| 650 | } |
| 651 | } |
| 652 | |
| 653 | @override |
| 654 | String get password => _password; |
| 655 | |
| 656 | @override |
| 657 | final String? passphrase; |
| 658 | } |