| 1 | import 'dart:io'; |
| 2 | |
| 3 | import 'package:bip39/bip39.dart' as bip39; |
| 4 | import 'package:cw_core/balance.dart'; |
| 5 | import 'package:cw_core/encryption_file_utils.dart'; |
| 6 | import 'package:cw_core/pathForWallet.dart'; |
| 7 | import 'package:cw_core/transaction_history.dart'; |
| 8 | import 'package:cw_core/transaction_info.dart'; |
| 9 | import 'package:cw_core/tron_token.dart'; |
| 10 | import 'package:cw_core/wallet_base.dart'; |
| 11 | import 'package:cw_core/wallet_info.dart'; |
| 12 | import 'package:cw_core/wallet_service.dart'; |
| 13 | import 'package:cw_core/wallet_type.dart'; |
| 14 | import 'package:cw_tron/tron_client.dart'; |
| 15 | import 'package:cw_tron/tron_exception.dart'; |
| 16 | import 'package:cw_tron/tron_wallet.dart'; |
| 17 | import 'package:cw_tron/tron_wallet_creation_credentials.dart'; |
| 18 | |
| 19 | class TronWalletService extends WalletService< |
| 20 | TronNewWalletCredentials, |
| 21 | TronRestoreWalletFromSeedCredentials, |
| 22 | TronRestoreWalletFromPrivateKey, |
| 23 | TronNewWalletCredentials> { |
| 24 | TronWalletService({required this.client, required this.isDirect}); |
| 25 | |
| 26 | late TronClient client; |
| 27 | |
| 28 | final bool isDirect; |
| 29 | |
| 30 | @override |
| 31 | WalletType getType() => WalletType.tron; |
| 32 | |
| 33 | @override |
| 34 | Future<TronWallet> create(TronNewWalletCredentials credentials, {bool? isTestnet}) async { |
| 35 | final strength = credentials.seedPhraseLength == 24 ? 256 : 128; |
| 36 | |
| 37 | final mnemonic = credentials.mnemonic ?? bip39.generateMnemonic(strength: strength); |
| 38 | |
| 39 | final wallet = TronWallet( |
| 40 | walletInfo: credentials.walletInfo!, |
| 41 | derivationInfo: await credentials.walletInfo!.getDerivationInfo(), |
| 42 | mnemonic: mnemonic, |
| 43 | password: credentials.password!, |
| 44 | passphrase: credentials.passphrase, |
| 45 | encryptionFileUtils: encryptionFileUtilsFor(isDirect), |
| 46 | ); |
| 47 | |
| 48 | await wallet.init(); |
| 49 | await wallet.addInitialTokens(); |
| 50 | await wallet.save(); |
| 51 | |
| 52 | return wallet; |
| 53 | } |
| 54 | |
| 55 | @override |
| 56 | Future<TronWallet> openWallet(String name, String password) async { |
| 57 | final walletInfo = await WalletInfo.get(name, getType()); |
| 58 | if (walletInfo == null) { |
| 59 | throw Exception('Wallet not found'); |
| 60 | } |
| 61 | |
| 62 | try { |
| 63 | final wallet = await TronWalletBase.open( |
| 64 | name: name, |
| 65 | password: password, |
| 66 | walletInfo: walletInfo, |
| 67 | encryptionFileUtils: encryptionFileUtilsFor(isDirect), |
| 68 | ); |
| 69 | |
| 70 | await wallet.init(); |
| 71 | await wallet.addInitialTokens(); |
| 72 | await wallet.save(); |
| 73 | saveBackup(name); |
| 74 | return wallet; |
| 75 | } catch (_) { |
| 76 | await restoreWalletFilesFromBackup(name); |
| 77 | |
| 78 | final wallet = await TronWalletBase.open( |
| 79 | name: name, |
| 80 | password: password, |
| 81 | walletInfo: walletInfo, |
| 82 | encryptionFileUtils: encryptionFileUtilsFor(isDirect), |
| 83 | ); |
| 84 | |
| 85 | await wallet.init(); |
| 86 | await wallet.addInitialTokens(); |
| 87 | await wallet.save(); |
| 88 | return wallet; |
| 89 | } |
| 90 | } |
| 91 | |
| 92 | @override |
| 93 | Future<TronWallet> restoreFromKeys( |
| 94 | TronRestoreWalletFromPrivateKey credentials, { |
| 95 | bool? isTestnet, |
| 96 | }) async { |
| 97 | final wallet = TronWallet( |
| 98 | password: credentials.password!, |
| 99 | privateKey: credentials.privateKey, |
| 100 | walletInfo: credentials.walletInfo!, |
| 101 | derivationInfo: await credentials.walletInfo!.getDerivationInfo(), |
| 102 | encryptionFileUtils: encryptionFileUtilsFor(isDirect), |
| 103 | ); |
| 104 | |
| 105 | await wallet.init(); |
| 106 | await wallet.addInitialTokens(); |
| 107 | await wallet.save(); |
| 108 | |
| 109 | return wallet; |
| 110 | } |
| 111 | |
| 112 | @override |
| 113 | Future<TronWallet> restoreFromSeed( |
| 114 | TronRestoreWalletFromSeedCredentials credentials, { |
| 115 | bool? isTestnet, |
| 116 | }) async { |
| 117 | if (!bip39.validateMnemonic(credentials.mnemonic)) { |
| 118 | throw TronMnemonicIsIncorrectException(); |
| 119 | } |
| 120 | |
| 121 | final wallet = TronWallet( |
| 122 | password: credentials.password!, |
| 123 | mnemonic: credentials.mnemonic, |
| 124 | walletInfo: credentials.walletInfo!, |
| 125 | derivationInfo: await credentials.walletInfo!.getDerivationInfo(), |
| 126 | passphrase: credentials.passphrase, |
| 127 | encryptionFileUtils: encryptionFileUtilsFor(isDirect), |
| 128 | ); |
| 129 | |
| 130 | await wallet.init(); |
| 131 | await wallet.addInitialTokens(); |
| 132 | await wallet.save(); |
| 133 | |
| 134 | return wallet; |
| 135 | } |
| 136 | |
| 137 | @override |
| 138 | Future<bool> isWalletExit(String name) async => |
| 139 | File(await pathForWallet(name: name, type: getType())).existsSync(); |
| 140 | |
| 141 | @override |
| 142 | Future<void> remove(String wallet) async { |
| 143 | File(await pathForWalletDir(name: wallet, type: getType())).delete(recursive: true); |
| 144 | final walletInfo = await WalletInfo.get(wallet, getType()); |
| 145 | if (walletInfo == null) { |
| 146 | throw Exception('Wallet not found'); |
| 147 | } |
| 148 | await WalletInfo.delete(walletInfo); |
| 149 | final nameStillUsed = await WalletInfo.get(wallet, getType()) != null; |
| 150 | if (!nameStillUsed) { |
| 151 | await TronToken.deleteAllForWallet(wallet); |
| 152 | } |
| 153 | } |
| 154 | |
| 155 | @override |
| 156 | Future<WalletBase<Balance, TransactionHistoryBase<TransactionInfo>, TransactionInfo>> |
| 157 | restoreFromHardwareWallet(TronNewWalletCredentials credentials) { |
| 158 | // TODO: implement restoreFromHardwareWallet |
| 159 | throw UnimplementedError(); |
| 160 | } |
| 161 | } |