mirror of
https://github.com/cypherstack/stack_wallet.git
synced 2024-12-25 04:49:36 +00:00
696 lines
23 KiB
Dart
696 lines
23 KiB
Dart
import 'dart:async';
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import 'dart:math';
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import 'package:cw_core/monero_transaction_priority.dart';
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import 'package:cw_core/node.dart';
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import 'package:cw_core/pending_transaction.dart';
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import 'package:cw_core/sync_status.dart';
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import 'package:cw_core/transaction_direction.dart';
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import 'package:cw_core/wallet_base.dart';
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import 'package:cw_core/wallet_credentials.dart';
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import 'package:cw_core/wallet_info.dart';
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import 'package:cw_core/wallet_type.dart';
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import 'package:cw_monero/api/exceptions/creation_transaction_exception.dart';
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import 'package:cw_wownero/api/wallet.dart';
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import 'package:cw_wownero/pending_wownero_transaction.dart';
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import 'package:cw_wownero/wownero_wallet.dart';
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import 'package:decimal/decimal.dart';
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import 'package:flutter_libmonero/core/wallet_creation_service.dart';
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import 'package:flutter_libmonero/view_model/send/output.dart'
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as wownero_output;
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import 'package:flutter_libmonero/wownero/wownero.dart' as wow_dart;
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import 'package:isar/isar.dart';
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import '../../../db/hive/db.dart';
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import '../../../models/isar/models/blockchain_data/address.dart';
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import '../../../models/isar/models/blockchain_data/transaction.dart';
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import '../../../utilities/amount/amount.dart';
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import '../../../utilities/enums/fee_rate_type_enum.dart';
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import '../../../utilities/logger.dart';
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import '../../crypto_currency/coins/wownero.dart';
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import '../../crypto_currency/crypto_currency.dart';
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import '../../models/tx_data.dart';
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import '../intermediate/cryptonote_wallet.dart';
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import '../wallet.dart';
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import '../wallet_mixin_interfaces/cw_based_interface.dart';
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import 'package:tuple/tuple.dart';
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class WowneroWallet extends CryptonoteWallet with CwBasedInterface {
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WowneroWallet(CryptoCurrencyNetwork network) : super(Wownero(network));
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@override
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Address addressFor({required int index, int account = 0}) {
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String address = (CwBasedInterface.cwWalletBase as WowneroWalletBase)
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.getTransactionAddress(account, index);
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final newReceivingAddress = Address(
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walletId: walletId,
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derivationIndex: index,
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derivationPath: null,
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value: address,
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publicKey: [],
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type: AddressType.cryptonote,
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subType: AddressSubType.receiving,
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);
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return newReceivingAddress;
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}
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@override
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Future<Amount> estimateFeeFor(Amount amount, int feeRate) async {
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if (CwBasedInterface.cwWalletBase == null ||
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CwBasedInterface.cwWalletBase?.syncStatus is! SyncedSyncStatus) {
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return Amount.zeroWith(
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fractionDigits: cryptoCurrency.fractionDigits,
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);
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}
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MoneroTransactionPriority priority;
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FeeRateType feeRateType = FeeRateType.slow;
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switch (feeRate) {
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case 1:
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priority = MoneroTransactionPriority.regular;
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feeRateType = FeeRateType.average;
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break;
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case 2:
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priority = MoneroTransactionPriority.medium;
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feeRateType = FeeRateType.average;
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break;
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case 3:
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priority = MoneroTransactionPriority.fast;
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feeRateType = FeeRateType.fast;
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break;
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case 4:
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priority = MoneroTransactionPriority.fastest;
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feeRateType = FeeRateType.fast;
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break;
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case 0:
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default:
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priority = MoneroTransactionPriority.slow;
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feeRateType = FeeRateType.slow;
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break;
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}
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dynamic approximateFee;
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await estimateFeeMutex.protect(() async {
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{
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try {
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final data = await prepareSend(
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txData: TxData(
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recipients: [
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// This address is only used for getting an approximate fee, never for sending
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(
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address:
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"WW3iVcnoAY6K9zNdU4qmdvZELefx6xZz4PMpTwUifRkvMQckyadhSPYMVPJhBdYE8P9c27fg9RPmVaWNFx1cDaj61HnetqBiy",
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amount: amount,
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isChange: false,
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),
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],
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feeRateType: feeRateType,
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),
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);
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approximateFee = data.fee!;
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// unsure why this delay?
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await Future<void>.delayed(const Duration(milliseconds: 500));
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} catch (e) {
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approximateFee = CwBasedInterface.cwWalletBase!.calculateEstimatedFee(
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priority,
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amount.raw.toInt(),
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);
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}
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}
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});
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if (approximateFee is Amount) {
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return approximateFee as Amount;
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} else {
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return Amount(
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rawValue: BigInt.from(approximateFee as int),
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fractionDigits: cryptoCurrency.fractionDigits,
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);
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}
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}
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@override
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Future<bool> pingCheck() async {
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return await (CwBasedInterface.cwWalletBase as WowneroWalletBase?)
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?.isConnected() ??
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false;
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}
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@override
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Future<void> updateNode() async {
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final node = getCurrentNode();
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final host = Uri.parse(node.host).host;
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await CwBasedInterface.cwWalletBase?.connectToNode(
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node: Node(
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uri: "$host:${node.port}",
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type: WalletType.wownero,
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trusted: node.trusted ?? false,
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),
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);
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}
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@override
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Future<void> updateTransactions() async {
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final base = (CwBasedInterface.cwWalletBase as WowneroWalletBase?);
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if (base == null ||
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base.walletInfo.name != walletId ||
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CwBasedInterface.exitMutex.isLocked) {
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return;
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}
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await base.updateTransactions();
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final transactions = base.transactionHistory?.transactions;
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// final cachedTransactions =
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// DB.instance.get<dynamic>(boxName: walletId, key: 'latest_tx_model')
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// as TransactionData?;
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// int latestTxnBlockHeight =
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// DB.instance.get<dynamic>(boxName: walletId, key: "storedTxnDataHeight")
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// as int? ??
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// 0;
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//
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// final txidsList = DB.instance
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// .get<dynamic>(boxName: walletId, key: "cachedTxids") as List? ??
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// [];
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//
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// final Set<String> cachedTxids = Set<String>.from(txidsList);
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// TODO: filter to skip cached + confirmed txn processing in next step
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// final unconfirmedCachedTransactions =
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// cachedTransactions?.getAllTransactions() ?? {};
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// unconfirmedCachedTransactions
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// .removeWhere((key, value) => value.confirmedStatus);
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//
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// if (cachedTransactions != null) {
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// for (final tx in allTxHashes.toList(growable: false)) {
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// final txHeight = tx["height"] as int;
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// if (txHeight > 0 &&
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// txHeight < latestTxnBlockHeight - MINIMUM_CONFIRMATIONS) {
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// if (unconfirmedCachedTransactions[tx["tx_hash"] as String] == null) {
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// allTxHashes.remove(tx);
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// }
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// }
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// }
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// }
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final List<Tuple2<Transaction, Address?>> txnsData = [];
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if (transactions != null) {
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for (var tx in transactions.entries) {
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Address? address;
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TransactionType type;
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if (tx.value.direction == TransactionDirection.incoming) {
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final addressInfo = tx.value.additionalInfo;
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final addressString =
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(CwBasedInterface.cwWalletBase as WowneroWalletBase?)
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?.getTransactionAddress(
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addressInfo!['accountIndex'] as int,
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addressInfo['addressIndex'] as int,
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);
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if (addressString != null) {
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address = await mainDB
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.getAddresses(walletId)
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.filter()
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.valueEqualTo(addressString)
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.findFirst();
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}
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type = TransactionType.incoming;
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} else {
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// txn.address = "";
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type = TransactionType.outgoing;
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}
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final txn = Transaction(
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walletId: walletId,
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txid: tx.value.id,
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timestamp: (tx.value.date.millisecondsSinceEpoch ~/ 1000),
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type: type,
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subType: TransactionSubType.none,
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amount: tx.value.amount ?? 0,
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amountString: Amount(
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rawValue: BigInt.from(tx.value.amount ?? 0),
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fractionDigits: cryptoCurrency.fractionDigits,
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).toJsonString(),
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fee: tx.value.fee ?? 0,
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height: tx.value.height,
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isCancelled: false,
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isLelantus: false,
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slateId: null,
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otherData: null,
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nonce: null,
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inputs: [],
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outputs: [],
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numberOfMessages: null,
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);
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txnsData.add(Tuple2(txn, address));
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}
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}
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await mainDB.isar.writeTxn(() async {
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await mainDB.isar.transactions
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.where()
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.walletIdEqualTo(walletId)
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.deleteAll();
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for (final data in txnsData) {
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final tx = data.item1;
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// save transaction
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await mainDB.isar.transactions.put(tx);
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if (data.item2 != null) {
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final address = await mainDB.getAddress(walletId, data.item2!.value);
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// check if address exists in db and add if it does not
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if (address == null) {
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await mainDB.isar.addresses.put(data.item2!);
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}
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// link and save address
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tx.address.value = address ?? data.item2!;
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await tx.address.save();
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}
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}
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});
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}
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@override
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Future<void> init({bool? isRestore}) async {
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await CwBasedInterface.exitMutex.protect(() async {});
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CwBasedInterface.cwWalletService = wow_dart.wownero
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.createWowneroWalletService(DB.instance.moneroWalletInfoBox);
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if (!(await CwBasedInterface.cwWalletService!.isWalletExit(walletId)) &&
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isRestore != true) {
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WalletInfo walletInfo;
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WalletCredentials credentials;
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try {
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final dirPath =
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await pathForWalletDir(name: walletId, type: WalletType.wownero);
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final path =
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await pathForWallet(name: walletId, type: WalletType.wownero);
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credentials = wow_dart.wownero.createWowneroNewWalletCredentials(
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name: walletId,
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language: "English",
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seedWordsLength: 14,
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);
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walletInfo = WalletInfo.external(
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id: WalletBase.idFor(walletId, WalletType.wownero),
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name: walletId,
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type: WalletType.wownero,
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isRecovery: false,
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restoreHeight: credentials.height ?? 0,
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date: DateTime.now(),
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path: path,
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dirPath: dirPath,
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address: '',
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);
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credentials.walletInfo = walletInfo;
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final _walletCreationService = WalletCreationService(
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secureStorage: secureStorageInterface,
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walletService: CwBasedInterface.cwWalletService,
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keyService: cwKeysStorage,
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);
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// _walletCreationService.changeWalletType();
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_walletCreationService.type = WalletType.wownero;
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// To restore from a seed
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final wallet = await _walletCreationService.create(credentials);
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//
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// final bufferedCreateHeight = (seedWordsLength == 14)
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// ? getSeedHeightSync(wallet?.seed.trim() as String)
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// : wownero.getHeightByDate(
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// date: DateTime.now().subtract(const Duration(
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// days:
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// 2))); // subtract a couple days to ensure we have a buffer for SWB
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final bufferedCreateHeight = getSeedHeightSync(wallet!.seed.trim());
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await info.updateRestoreHeight(
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newRestoreHeight: bufferedCreateHeight,
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isar: mainDB.isar,
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);
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// special case for xmr/wow. Normally mnemonic + passphrase is saved
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// before wallet.init() is called
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await secureStorageInterface.write(
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key: Wallet.mnemonicKey(walletId: walletId),
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value: wallet.seed.trim(),
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);
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await secureStorageInterface.write(
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key: Wallet.mnemonicPassphraseKey(walletId: walletId),
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value: "",
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);
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walletInfo.restoreHeight = bufferedCreateHeight;
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walletInfo.address = wallet.walletAddresses.address;
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await DB.instance
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.add<WalletInfo>(boxName: WalletInfo.boxName, value: walletInfo);
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wallet.close();
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} catch (e, s) {
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Logging.instance.log("$e\n$s", level: LogLevel.Fatal);
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CwBasedInterface.cwWalletBase?.close();
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}
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await updateNode();
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}
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return super.init();
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}
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@override
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Future<void> open() async {
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// await any previous exit
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await CwBasedInterface.exitMutex.protect(() async {});
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String? password;
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try {
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password = await cwKeysStorage.getWalletPassword(walletName: walletId);
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} catch (e, s) {
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throw Exception("Password not found $e, $s");
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}
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CwBasedInterface.cwWalletBase?.close();
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CwBasedInterface.cwWalletBase = (await CwBasedInterface.cwWalletService!
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.openWallet(walletId, password)) as WowneroWalletBase;
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(CwBasedInterface.cwWalletBase as WowneroWalletBase?)?.onNewBlock =
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onNewBlock;
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(CwBasedInterface.cwWalletBase as WowneroWalletBase?)?.onNewTransaction =
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onNewTransaction;
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(CwBasedInterface.cwWalletBase as WowneroWalletBase?)?.syncStatusChanged =
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syncStatusChanged;
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await updateNode();
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await (CwBasedInterface.cwWalletBase as WowneroWalletBase?)?.startSync();
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unawaited(refresh());
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autoSaveTimer?.cancel();
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autoSaveTimer = Timer.periodic(
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const Duration(seconds: 193),
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(_) async => await CwBasedInterface.cwWalletBase?.save(),
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);
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}
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@override
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Future<void> exitCwWallet() async {
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(CwBasedInterface.cwWalletBase as WowneroWalletBase?)?.onNewBlock = null;
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(CwBasedInterface.cwWalletBase as WowneroWalletBase?)?.onNewTransaction =
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null;
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(CwBasedInterface.cwWalletBase as WowneroWalletBase?)?.syncStatusChanged =
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null;
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await (CwBasedInterface.cwWalletBase as WowneroWalletBase?)
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?.save(prioritySave: true);
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}
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@override
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Future<void> recover({required bool isRescan}) async {
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await CwBasedInterface.exitMutex.protect(() async {});
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if (isRescan) {
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await refreshMutex.protect(() async {
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// clear blockchain info
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await mainDB.deleteWalletBlockchainData(walletId);
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var restoreHeight =
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CwBasedInterface.cwWalletBase?.walletInfo.restoreHeight;
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highestPercentCached = 0;
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await CwBasedInterface.cwWalletBase?.rescan(height: restoreHeight ?? 0);
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});
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unawaited(refresh());
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return;
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}
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await refreshMutex.protect(() async {
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final mnemonic = await getMnemonic();
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final seedLength = mnemonic.trim().split(" ").length;
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if (!(seedLength == 14 || seedLength == 25)) {
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throw Exception("Invalid wownero mnemonic length found: $seedLength");
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}
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try {
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int height = info.restoreHeight;
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// extract seed height from 14 word seed
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if (seedLength == 14) {
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height = getSeedHeightSync(mnemonic.trim());
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} else {
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height = max(height, 0);
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}
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// TODO: info.updateRestoreHeight
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// await DB.instance
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// .put<dynamic>(boxName: walletId, key: "restoreHeight", value: height);
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CwBasedInterface.cwWalletService = wow_dart.wownero
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.createWowneroWalletService(DB.instance.moneroWalletInfoBox);
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WalletInfo walletInfo;
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WalletCredentials credentials;
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String name = walletId;
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final dirPath =
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await pathForWalletDir(name: name, type: WalletType.wownero);
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final path = await pathForWallet(name: name, type: WalletType.wownero);
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credentials =
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wow_dart.wownero.createWowneroRestoreWalletFromSeedCredentials(
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name: name,
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height: height,
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mnemonic: mnemonic.trim(),
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);
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try {
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walletInfo = WalletInfo.external(
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id: WalletBase.idFor(name, WalletType.wownero),
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name: name,
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type: WalletType.wownero,
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isRecovery: false,
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restoreHeight: credentials.height ?? 0,
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date: DateTime.now(),
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path: path,
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dirPath: dirPath,
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// TODO: find out what to put for address
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address: '');
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credentials.walletInfo = walletInfo;
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final cwWalletCreationService = WalletCreationService(
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secureStorage: secureStorageInterface,
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walletService: CwBasedInterface.cwWalletService,
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keyService: cwKeysStorage,
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);
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cwWalletCreationService.type = WalletType.wownero;
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// To restore from a seed
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final wallet = await cwWalletCreationService
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.restoreFromSeed(credentials) as WowneroWalletBase;
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walletInfo.address = wallet.walletAddresses.address;
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await DB.instance
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.add<WalletInfo>(boxName: WalletInfo.boxName, value: walletInfo);
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CwBasedInterface.cwWalletBase?.close();
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CwBasedInterface.cwWalletBase = wallet;
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if (walletInfo.address != null) {
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final newReceivingAddress = await getCurrentReceivingAddress() ??
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Address(
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walletId: walletId,
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derivationIndex: 0,
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derivationPath: null,
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value: walletInfo.address!,
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publicKey: [],
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type: AddressType.cryptonote,
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subType: AddressSubType.receiving,
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);
|
|
|
|
await mainDB.updateOrPutAddresses([newReceivingAddress]);
|
|
await info.updateReceivingAddress(
|
|
newAddress: newReceivingAddress.value,
|
|
isar: mainDB.isar,
|
|
);
|
|
}
|
|
} catch (e, s) {
|
|
Logging.instance.log("$e\n$s", level: LogLevel.Fatal);
|
|
}
|
|
await updateNode();
|
|
|
|
await CwBasedInterface.cwWalletBase?.rescan(height: credentials.height);
|
|
CwBasedInterface.cwWalletBase?.close();
|
|
} catch (e, s) {
|
|
Logging.instance.log(
|
|
"Exception rethrown from recoverFromMnemonic(): $e\n$s",
|
|
level: LogLevel.Error);
|
|
rethrow;
|
|
}
|
|
});
|
|
}
|
|
|
|
@override
|
|
Future<TxData> prepareSend({required TxData txData}) async {
|
|
try {
|
|
final feeRate = txData.feeRateType;
|
|
if (feeRate is FeeRateType) {
|
|
MoneroTransactionPriority feePriority;
|
|
switch (feeRate) {
|
|
case FeeRateType.fast:
|
|
feePriority = MoneroTransactionPriority.fast;
|
|
break;
|
|
case FeeRateType.average:
|
|
feePriority = MoneroTransactionPriority.regular;
|
|
break;
|
|
case FeeRateType.slow:
|
|
feePriority = MoneroTransactionPriority.slow;
|
|
break;
|
|
default:
|
|
throw ArgumentError("Invalid use of custom fee");
|
|
}
|
|
|
|
Future<PendingTransaction>? awaitPendingTransaction;
|
|
try {
|
|
// check for send all
|
|
bool isSendAll = false;
|
|
final balance = await availableBalance;
|
|
if (txData.amount! == balance &&
|
|
txData.recipients!.first.amount == balance) {
|
|
isSendAll = true;
|
|
}
|
|
|
|
List<wownero_output.Output> outputs = [];
|
|
for (final recipient in txData.recipients!) {
|
|
final output =
|
|
wownero_output.Output(CwBasedInterface.cwWalletBase!);
|
|
output.address = recipient.address;
|
|
output.sendAll = isSendAll;
|
|
String amountToSend = recipient.amount.decimal.toString();
|
|
output.setCryptoAmount(amountToSend);
|
|
outputs.add(output);
|
|
}
|
|
|
|
final tmp =
|
|
wow_dart.wownero.createWowneroTransactionCreationCredentials(
|
|
outputs: outputs,
|
|
priority: feePriority,
|
|
);
|
|
|
|
await prepareSendMutex.protect(() async {
|
|
awaitPendingTransaction =
|
|
CwBasedInterface.cwWalletBase!.createTransaction(tmp);
|
|
});
|
|
} catch (e, s) {
|
|
Logging.instance.log("Exception rethrown from prepareSend(): $e\n$s",
|
|
level: LogLevel.Warning);
|
|
}
|
|
|
|
PendingWowneroTransaction pendingWowneroTransaction =
|
|
await (awaitPendingTransaction!) as PendingWowneroTransaction;
|
|
final realFee = Amount.fromDecimal(
|
|
Decimal.parse(pendingWowneroTransaction.feeFormatted),
|
|
fractionDigits: cryptoCurrency.fractionDigits,
|
|
);
|
|
|
|
return txData.copyWith(
|
|
fee: realFee,
|
|
pendingWowneroTransaction: pendingWowneroTransaction,
|
|
);
|
|
} else {
|
|
throw ArgumentError("Invalid fee rate argument provided!");
|
|
}
|
|
} catch (e, s) {
|
|
Logging.instance.log("Exception rethrown from prepare send(): $e\n$s",
|
|
level: LogLevel.Info);
|
|
|
|
if (e.toString().contains("Incorrect unlocked balance")) {
|
|
throw Exception("Insufficient balance!");
|
|
} else if (e is CreationTransactionException) {
|
|
throw Exception("Insufficient funds to pay for transaction fee!");
|
|
} else {
|
|
throw Exception("Transaction failed with error code $e");
|
|
}
|
|
}
|
|
}
|
|
|
|
@override
|
|
Future<TxData> confirmSend({required TxData txData}) async {
|
|
try {
|
|
try {
|
|
await txData.pendingWowneroTransaction!.commit();
|
|
Logging.instance.log(
|
|
"transaction ${txData.pendingWowneroTransaction!.id} has been sent",
|
|
level: LogLevel.Info);
|
|
return txData.copyWith(txid: txData.pendingWowneroTransaction!.id);
|
|
} catch (e, s) {
|
|
Logging.instance.log("${info.name} wownero confirmSend: $e\n$s",
|
|
level: LogLevel.Error);
|
|
rethrow;
|
|
}
|
|
} catch (e, s) {
|
|
Logging.instance.log("Exception rethrown from confirmSend(): $e\n$s",
|
|
level: LogLevel.Info);
|
|
rethrow;
|
|
}
|
|
}
|
|
|
|
@override
|
|
Future<Amount> get availableBalance async {
|
|
try {
|
|
if (CwBasedInterface.exitMutex.isLocked) {
|
|
throw Exception("Exit in progress");
|
|
}
|
|
|
|
int runningBalance = 0;
|
|
for (final entry in (CwBasedInterface.cwWalletBase as WowneroWalletBase?)!
|
|
.balance!
|
|
.entries) {
|
|
runningBalance += entry.value.unlockedBalance;
|
|
}
|
|
return Amount(
|
|
rawValue: BigInt.from(runningBalance),
|
|
fractionDigits: cryptoCurrency.fractionDigits,
|
|
);
|
|
} catch (_) {
|
|
return info.cachedBalance.spendable;
|
|
}
|
|
}
|
|
|
|
@override
|
|
Future<Amount> get totalBalance async {
|
|
try {
|
|
if (CwBasedInterface.exitMutex.isLocked) {
|
|
throw Exception("Exit in progress");
|
|
}
|
|
final balanceEntries =
|
|
(CwBasedInterface.cwWalletBase as WowneroWalletBase?)
|
|
?.balance
|
|
?.entries;
|
|
if (balanceEntries != null) {
|
|
int bal = 0;
|
|
for (var element in balanceEntries) {
|
|
bal = bal + element.value.fullBalance;
|
|
}
|
|
return Amount(
|
|
rawValue: BigInt.from(bal),
|
|
fractionDigits: cryptoCurrency.fractionDigits,
|
|
);
|
|
} else {
|
|
final transactions =
|
|
CwBasedInterface.cwWalletBase!.transactionHistory!.transactions;
|
|
int transactionBalance = 0;
|
|
for (var tx in transactions!.entries) {
|
|
if (tx.value.direction == TransactionDirection.incoming) {
|
|
transactionBalance += tx.value.amount!;
|
|
} else {
|
|
transactionBalance += -tx.value.amount! - tx.value.fee!;
|
|
}
|
|
}
|
|
|
|
return Amount(
|
|
rawValue: BigInt.from(transactionBalance),
|
|
fractionDigits: cryptoCurrency.fractionDigits,
|
|
);
|
|
}
|
|
} catch (_) {
|
|
return info.cachedBalance.total;
|
|
}
|
|
}
|
|
}
|