| 1 | import 'dart:ffi'; |
| 2 | import 'dart:isolate'; |
| 3 | |
| 4 | import 'package:cw_wownero/api/account_list.dart'; |
| 5 | import 'package:cw_wownero/api/exceptions/creation_transaction_exception.dart'; |
| 6 | import 'package:cw_wownero/api/wallet.dart'; |
| 7 | import 'package:cw_wownero/api/wownero_output.dart'; |
| 8 | import 'package:cw_wownero/api/structs/pending_transaction.dart'; |
| 9 | import 'package:cw_wownero/exceptions/wownero_transaction_creation_exception.dart'; |
| 10 | import 'package:ffi/ffi.dart'; |
| 11 | import 'package:monero/wownero.dart' as wownero; |
| 12 | import 'package:monero/src/generated_bindings_wownero.g.dart' as wownero_gen; |
| 13 | import 'package:mutex/mutex.dart'; |
| 14 | |
| 15 | String getTxKey(String txId) { |
| 16 | final ret = wownero.Wallet_getTxKey(wptr!, txid: txId); |
| 17 | wownero.Wallet_status(wptr!); |
| 18 | return ret; |
| 19 | } |
| 20 | |
| 21 | final txHistoryMutex = Mutex(); |
| 22 | wownero.TransactionHistory? txhistory; |
| 23 | |
| 24 | bool isRefreshingTx = false; |
| 25 | Future<void> refreshTransactions() async { |
| 26 | if (isRefreshingTx == true) return; |
| 27 | isRefreshingTx = true; |
| 28 | txhistory ??= wownero.Wallet_history(wptr!); |
| 29 | final ptr = txhistory!.address; |
| 30 | await txHistoryMutex.acquire(); |
| 31 | await Isolate.run(() { |
| 32 | wownero.TransactionHistory_refresh(Pointer.fromAddress(ptr)); |
| 33 | }); |
| 34 | txHistoryMutex.release(); |
| 35 | isRefreshingTx = false; |
| 36 | } |
| 37 | |
| 38 | int countOfTransactions() => wownero.TransactionHistory_count(txhistory!); |
| 39 | |
| 40 | Future<List<Transaction>> getAllTransactions() async { |
| 41 | List<Transaction> dummyTxs = []; |
| 42 | |
| 43 | await txHistoryMutex.acquire(); |
| 44 | txhistory ??= wownero.Wallet_history(wptr!); |
| 45 | int size = countOfTransactions(); |
| 46 | final list = List.generate( |
| 47 | size, |
| 48 | (index) => |
| 49 | Transaction(txInfo: wownero.TransactionHistory_transaction(txhistory!, index: index))); |
| 50 | txHistoryMutex.release(); |
| 51 | |
| 52 | final accts = wownero.Wallet_numSubaddressAccounts(wptr!); |
| 53 | for (var i = 0; i < accts; i++) { |
| 54 | final fullBalance = wownero.Wallet_balance(wptr!, accountIndex: i); |
| 55 | final availBalance = wownero.Wallet_unlockedBalance(wptr!, accountIndex: i); |
| 56 | if (fullBalance > availBalance) { |
| 57 | if (list |
| 58 | .where((element) => element.accountIndex == i && element.isConfirmed == false) |
| 59 | .isEmpty) { |
| 60 | dummyTxs.add(Transaction.dummy( |
| 61 | displayLabel: "", |
| 62 | description: "", |
| 63 | fee: 0, |
| 64 | confirmations: 0, |
| 65 | blockheight: 0, |
| 66 | accountIndex: i, |
| 67 | addressIndex: 0, |
| 68 | addressIndexList: [0], |
| 69 | paymentId: "", |
| 70 | amount: fullBalance - availBalance, |
| 71 | isSpend: false, |
| 72 | hash: "pending", |
| 73 | key: "pending", |
| 74 | txInfo: Pointer.fromAddress(0), |
| 75 | )..timeStamp = DateTime.now()); |
| 76 | } |
| 77 | } |
| 78 | } |
| 79 | list.addAll(dummyTxs); |
| 80 | return list; |
| 81 | } |
| 82 | |
| 83 | // TODO(mrcyjanek): ... |
| 84 | Transaction getTransaction(String txId) { |
| 85 | return Transaction(txInfo: wownero.TransactionHistory_transactionById(txhistory!, txid: txId)); |
| 86 | } |
| 87 | |
| 88 | Future<PendingTransactionDescription> createTransactionSync( |
| 89 | {required String address, |
| 90 | required String paymentId, |
| 91 | required int priorityRaw, |
| 92 | String? amount, |
| 93 | int accountIndex = 0, |
| 94 | List<String> preferredInputs = const []}) async { |
| 95 | final amt = amount == null ? 0 : wownero.Wallet_amountFromString(amount); |
| 96 | |
| 97 | final address_ = address.toNativeUtf8(); |
| 98 | final paymentId_ = paymentId.toNativeUtf8(); |
| 99 | if (preferredInputs.isEmpty) { |
| 100 | throw WowneroTransactionCreationException( |
| 101 | "No inputs provided, transaction cannot be constructed"); |
| 102 | } |
| 103 | final preferredInputs_ = preferredInputs.join(wownero.defaultSeparatorStr).toNativeUtf8(); |
| 104 | |
| 105 | final waddr = wptr!.address; |
| 106 | final addraddr = address_.address; |
| 107 | final paymentIdAddr = paymentId_.address; |
| 108 | final preferredInputsAddr = preferredInputs_.address; |
| 109 | final spaddr = wownero.defaultSeparator.address; |
| 110 | final pendingTx = Pointer<Void>.fromAddress(await Isolate.run(() { |
| 111 | final tx = |
| 112 | wownero_gen.WowneroC(DynamicLibrary.open(wownero.libPath)).WOWNERO_Wallet_createTransaction( |
| 113 | Pointer.fromAddress(waddr), |
| 114 | Pointer.fromAddress(addraddr).cast(), |
| 115 | Pointer.fromAddress(paymentIdAddr).cast(), |
| 116 | amt, |
| 117 | 1, |
| 118 | priorityRaw, |
| 119 | accountIndex, |
| 120 | Pointer.fromAddress(preferredInputsAddr).cast(), |
| 121 | Pointer.fromAddress(spaddr), |
| 122 | ); |
| 123 | return tx.address; |
| 124 | })); |
| 125 | calloc.free(address_); |
| 126 | calloc.free(paymentId_); |
| 127 | calloc.free(preferredInputs_); |
| 128 | final String? error = (() { |
| 129 | final status = wownero.PendingTransaction_status(pendingTx); |
| 130 | if (status == 0) { |
| 131 | return null; |
| 132 | } |
| 133 | return wownero.PendingTransaction_errorString(pendingTx); |
| 134 | })(); |
| 135 | |
| 136 | if (error != null) { |
| 137 | final message = error; |
| 138 | throw CreationTransactionException(message: message); |
| 139 | } |
| 140 | |
| 141 | final rAmt = wownero.PendingTransaction_amount(pendingTx); |
| 142 | final rFee = wownero.PendingTransaction_fee(pendingTx); |
| 143 | final rHash = wownero.PendingTransaction_txid(pendingTx, ''); |
| 144 | final rTxKey = rHash; |
| 145 | |
| 146 | return PendingTransactionDescription( |
| 147 | amount: rAmt, |
| 148 | fee: rFee, |
| 149 | hash: rHash, |
| 150 | hex: '', |
| 151 | txKey: rTxKey, |
| 152 | pointerAddress: pendingTx.address, |
| 153 | ); |
| 154 | } |
| 155 | |
| 156 | PendingTransactionDescription createTransactionMultDestSync( |
| 157 | {required List<WowneroOutput> outputs, |
| 158 | required String paymentId, |
| 159 | required int priorityRaw, |
| 160 | int accountIndex = 0, |
| 161 | List<String> preferredInputs = const []}) { |
| 162 | final txptr = wownero.Wallet_createTransactionMultDest( |
| 163 | wptr!, |
| 164 | dstAddr: outputs.map((e) => e.address).toList(), |
| 165 | isSweepAll: false, |
| 166 | amounts: outputs.map((e) => wownero.Wallet_amountFromString(e.amount)).toList(), |
| 167 | mixinCount: 0, |
| 168 | pendingTransactionPriority: priorityRaw, |
| 169 | subaddr_account: accountIndex, |
| 170 | ); |
| 171 | if (wownero.PendingTransaction_status(txptr) != 0) { |
| 172 | throw CreationTransactionException(message: wownero.PendingTransaction_errorString(txptr)); |
| 173 | } |
| 174 | return PendingTransactionDescription( |
| 175 | amount: wownero.PendingTransaction_amount(txptr), |
| 176 | fee: wownero.PendingTransaction_fee(txptr), |
| 177 | hash: wownero.PendingTransaction_txid(txptr, ''), |
| 178 | hex: wownero.PendingTransaction_txid(txptr, ''), |
| 179 | txKey: wownero.PendingTransaction_txid(txptr, ''), |
| 180 | pointerAddress: txptr.address, |
| 181 | ); |
| 182 | } |
| 183 | |
| 184 | void commitTransactionFromPointerAddress({required int address}) => |
| 185 | commitTransaction(transactionPointer: wownero.PendingTransaction.fromAddress(address)); |
| 186 | |
| 187 | void commitTransaction({required wownero.PendingTransaction transactionPointer}) { |
| 188 | final txCommit = |
| 189 | wownero.PendingTransaction_commit(transactionPointer, filename: '', overwrite: false); |
| 190 | |
| 191 | String? error = (() { |
| 192 | final status = wownero.PendingTransaction_status(transactionPointer.cast()); |
| 193 | if (status == 0) { |
| 194 | return null; |
| 195 | } |
| 196 | return wownero.PendingTransaction_errorString(transactionPointer.cast()); |
| 197 | })(); |
| 198 | if (error == null) { |
| 199 | error = (() { |
| 200 | final status = wownero.Wallet_status(wptr!); |
| 201 | if (status == 0) { |
| 202 | return null; |
| 203 | } |
| 204 | return wownero.Wallet_errorString(wptr!); |
| 205 | })(); |
| 206 | } |
| 207 | |
| 208 | if (error != null) { |
| 209 | throw CreationTransactionException(message: error); |
| 210 | } |
| 211 | } |
| 212 | |
| 213 | Future<PendingTransactionDescription> _createTransactionSync(Map args) async { |
| 214 | final address = args['address'] as String; |
| 215 | final paymentId = args['paymentId'] as String; |
| 216 | final amount = args['amount'] as String?; |
| 217 | final priorityRaw = args['priorityRaw'] as int; |
| 218 | final accountIndex = args['accountIndex'] as int; |
| 219 | final preferredInputs = args['preferredInputs'] as List<String>; |
| 220 | |
| 221 | return createTransactionSync( |
| 222 | address: address, |
| 223 | paymentId: paymentId, |
| 224 | amount: amount, |
| 225 | priorityRaw: priorityRaw, |
| 226 | accountIndex: accountIndex, |
| 227 | preferredInputs: preferredInputs); |
| 228 | } |
| 229 | |
| 230 | PendingTransactionDescription _createTransactionMultDestSync(Map args) { |
| 231 | final outputs = args['outputs'] as List<WowneroOutput>; |
| 232 | final paymentId = args['paymentId'] as String; |
| 233 | final priorityRaw = args['priorityRaw'] as int; |
| 234 | final accountIndex = args['accountIndex'] as int; |
| 235 | final preferredInputs = args['preferredInputs'] as List<String>; |
| 236 | |
| 237 | return createTransactionMultDestSync( |
| 238 | outputs: outputs, |
| 239 | paymentId: paymentId, |
| 240 | priorityRaw: priorityRaw, |
| 241 | accountIndex: accountIndex, |
| 242 | preferredInputs: preferredInputs); |
| 243 | } |
| 244 | |
| 245 | Future<PendingTransactionDescription> createTransaction( |
| 246 | {required String address, |
| 247 | required int priorityRaw, |
| 248 | String? amount, |
| 249 | String paymentId = '', |
| 250 | int accountIndex = 0, |
| 251 | List<String> preferredInputs = const []}) async => |
| 252 | _createTransactionSync({ |
| 253 | 'address': address, |
| 254 | 'paymentId': paymentId, |
| 255 | 'amount': amount, |
| 256 | 'priorityRaw': priorityRaw, |
| 257 | 'accountIndex': accountIndex, |
| 258 | 'preferredInputs': preferredInputs |
| 259 | }); |
| 260 | |
| 261 | Future<PendingTransactionDescription> createTransactionMultDest( |
| 262 | {required List<WowneroOutput> outputs, |
| 263 | required int priorityRaw, |
| 264 | String paymentId = '', |
| 265 | int accountIndex = 0, |
| 266 | List<String> preferredInputs = const []}) async => |
| 267 | _createTransactionMultDestSync({ |
| 268 | 'outputs': outputs, |
| 269 | 'paymentId': paymentId, |
| 270 | 'priorityRaw': priorityRaw, |
| 271 | 'accountIndex': accountIndex, |
| 272 | 'preferredInputs': preferredInputs |
| 273 | }); |
| 274 | |
| 275 | class Transaction { |
| 276 | final String displayLabel; |
| 277 | late final String subaddressLabel = wownero.Wallet_getSubaddressLabel(wptr!, |
| 278 | accountIndex: accountIndex, addressIndex: addressIndex); |
| 279 | late final String address = getAddress( |
| 280 | accountIndex: accountIndex, |
| 281 | addressIndex: addressIndex, |
| 282 | ); |
| 283 | late final List<String> addressList = List.generate( |
| 284 | addressIndexList.length, |
| 285 | (index) => getAddress( |
| 286 | accountIndex: accountIndex, |
| 287 | addressIndex: addressIndexList[index], |
| 288 | )); |
| 289 | final String description; |
| 290 | final int fee; |
| 291 | final int confirmations; |
| 292 | late final bool isPending = confirmations < 3; |
| 293 | final int blockheight; |
| 294 | final int addressIndex; |
| 295 | final int accountIndex; |
| 296 | final List<int> addressIndexList; |
| 297 | final String paymentId; |
| 298 | final int amount; |
| 299 | final bool isSpend; |
| 300 | late final DateTime timeStamp; |
| 301 | late final bool isConfirmed = !isPending; |
| 302 | final String hash; |
| 303 | final String key; |
| 304 | |
| 305 | Map<String, dynamic> toJson() { |
| 306 | return { |
| 307 | "displayLabel": displayLabel, |
| 308 | "subaddressLabel": subaddressLabel, |
| 309 | "address": address, |
| 310 | "description": description, |
| 311 | "fee": fee, |
| 312 | "confirmations": confirmations, |
| 313 | "isPending": isPending, |
| 314 | "blockheight": blockheight, |
| 315 | "accountIndex": accountIndex, |
| 316 | "addressIndex": addressIndex, |
| 317 | "paymentId": paymentId, |
| 318 | "amount": amount, |
| 319 | "isSpend": isSpend, |
| 320 | "timeStamp": timeStamp.toIso8601String(), |
| 321 | "isConfirmed": isConfirmed, |
| 322 | "hash": hash, |
| 323 | }; |
| 324 | } |
| 325 | |
| 326 | // final SubAddress? subAddress; |
| 327 | // List<Transfer> transfers = []; |
| 328 | // final int txIndex; |
| 329 | final wownero.TransactionInfo txInfo; |
| 330 | Transaction({ |
| 331 | required this.txInfo, |
| 332 | }) : displayLabel = wownero.TransactionInfo_label(txInfo), |
| 333 | hash = wownero.TransactionInfo_hash(txInfo), |
| 334 | timeStamp = DateTime.fromMillisecondsSinceEpoch( |
| 335 | wownero.TransactionInfo_timestamp(txInfo) * 1000, |
| 336 | ), |
| 337 | isSpend = |
| 338 | wownero.TransactionInfo_direction(txInfo) == wownero.TransactionInfo_Direction.Out, |
| 339 | amount = wownero.TransactionInfo_amount(txInfo), |
| 340 | paymentId = wownero.TransactionInfo_paymentId(txInfo), |
| 341 | accountIndex = wownero.TransactionInfo_subaddrAccount(txInfo), |
| 342 | addressIndex = |
| 343 | int.tryParse(wownero.TransactionInfo_subaddrIndex(txInfo).split(", ")[0]) ?? 0, |
| 344 | addressIndexList = wownero.TransactionInfo_subaddrIndex(txInfo) |
| 345 | .split(", ") |
| 346 | .map((e) => int.tryParse(e) ?? 0) |
| 347 | .toList(), |
| 348 | blockheight = wownero.TransactionInfo_blockHeight(txInfo), |
| 349 | confirmations = wownero.TransactionInfo_confirmations(txInfo), |
| 350 | fee = wownero.TransactionInfo_fee(txInfo), |
| 351 | description = wownero.TransactionInfo_description(txInfo), |
| 352 | key = wownero.Wallet_getTxKey(wptr!, txid: wownero.TransactionInfo_hash(txInfo)); |
| 353 | |
| 354 | Transaction.dummy( |
| 355 | {required this.displayLabel, |
| 356 | required this.description, |
| 357 | required this.fee, |
| 358 | required this.confirmations, |
| 359 | required this.blockheight, |
| 360 | required this.accountIndex, |
| 361 | required this.addressIndex, |
| 362 | required this.addressIndexList, |
| 363 | required this.paymentId, |
| 364 | required this.amount, |
| 365 | required this.isSpend, |
| 366 | required this.hash, |
| 367 | required this.key, |
| 368 | required this.txInfo}); |
| 369 | } |