mirror of
https://github.com/cypherstack/stack_wallet.git
synced 2024-09-30 02:11:22 +00:00
4834 lines
165 KiB
Dart
4834 lines
165 KiB
Dart
import 'dart:async';
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import 'dart:convert';
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import 'dart:io';
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import 'dart:isolate';
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import 'dart:math';
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import 'dart:typed_data';
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import 'package:bip32/bip32.dart' as bip32;
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import 'package:bip39/bip39.dart' as bip39;
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import 'package:bitcoindart/bitcoindart.dart';
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import 'package:decimal/decimal.dart';
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import 'package:devicelocale/devicelocale.dart';
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import 'package:flutter/foundation.dart';
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import 'package:http/http.dart';
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import 'package:lelantus/lelantus.dart';
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import 'package:stackwallet/electrumx_rpc/cached_electrumx.dart';
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import 'package:stackwallet/electrumx_rpc/electrumx.dart';
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import 'package:stackwallet/hive/db.dart';
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import 'package:stackwallet/models/lelantus_coin.dart';
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import 'package:stackwallet/models/lelantus_fee_data.dart';
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import 'package:stackwallet/models/models.dart' as models;
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import 'package:stackwallet/models/paymint/fee_object_model.dart';
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import 'package:stackwallet/models/paymint/utxo_model.dart';
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import 'package:stackwallet/services/coins/coin_service.dart';
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import 'package:stackwallet/services/event_bus/events/global/node_connection_status_changed_event.dart';
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import 'package:stackwallet/services/event_bus/events/global/refresh_percent_changed_event.dart';
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import 'package:stackwallet/services/event_bus/events/global/updated_in_background_event.dart';
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import 'package:stackwallet/services/event_bus/events/global/wallet_sync_status_changed_event.dart';
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import 'package:stackwallet/services/event_bus/global_event_bus.dart';
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import 'package:stackwallet/services/node_service.dart';
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import 'package:stackwallet/services/notifications_api.dart';
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import 'package:stackwallet/services/price.dart';
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import 'package:stackwallet/services/transaction_notification_tracker.dart';
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import 'package:stackwallet/utilities/address_utils.dart';
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import 'package:stackwallet/utilities/assets.dart';
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import 'package:stackwallet/utilities/constants.dart';
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import 'package:stackwallet/utilities/default_nodes.dart';
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import 'package:stackwallet/utilities/enums/coin_enum.dart';
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import 'package:stackwallet/utilities/enums/fee_rate_type_enum.dart';
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import 'package:stackwallet/utilities/flutter_secure_storage_interface.dart';
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import 'package:stackwallet/utilities/format.dart';
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import 'package:stackwallet/utilities/logger.dart';
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import 'package:stackwallet/utilities/prefs.dart';
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import 'package:tuple/tuple.dart';
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import 'package:uuid/uuid.dart';
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const DUST_LIMIT = 1000;
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const MINIMUM_CONFIRMATIONS = 1;
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const MINT_LIMIT = 100100000000;
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const int LELANTUS_VALUE_SPEND_LIMIT_PER_TRANSACTION = 5001 * 100000000;
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const JMINT_INDEX = 5;
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const MINT_INDEX = 2;
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const TRANSACTION_LELANTUS = 8;
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const ANONYMITY_SET_EMPTY_ID = 0;
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const String GENESIS_HASH_MAINNET =
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"4381deb85b1b2c9843c222944b616d997516dcbd6a964e1eaf0def0830695233";
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const String GENESIS_HASH_TESTNET =
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"aa22adcc12becaf436027ffe62a8fb21b234c58c23865291e5dc52cf53f64fca";
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final firoNetwork = NetworkType(
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messagePrefix: '\x18Zcoin Signed Message:\n',
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bech32: 'bc',
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bip32: Bip32Type(public: 0x0488b21e, private: 0x0488ade4),
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pubKeyHash: 0x52,
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scriptHash: 0x07,
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wif: 0xd2);
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final firoTestNetwork = NetworkType(
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messagePrefix: '\x18Zcoin Signed Message:\n',
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bech32: 'bc',
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bip32: Bip32Type(public: 0x043587cf, private: 0x04358394),
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pubKeyHash: 0x41,
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scriptHash: 0xb2,
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wif: 0xb9);
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// isolate
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Map<ReceivePort, Isolate> isolates = {};
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Future<ReceivePort> getIsolate(Map<String, dynamic> arguments) async {
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ReceivePort receivePort =
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ReceivePort(); //port for isolate to receive messages.
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arguments['sendPort'] = receivePort.sendPort;
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Logging.instance
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.log("starting isolate ${arguments['function']}", level: LogLevel.Info);
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Isolate isolate = await Isolate.spawn(executeNative, arguments);
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Logging.instance.log("isolate spawned!", level: LogLevel.Info);
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isolates[receivePort] = isolate;
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return receivePort;
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}
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Future<void> executeNative(Map<String, dynamic> arguments) async {
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await Logging.instance.initInIsolate();
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final sendPort = arguments['sendPort'] as SendPort;
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final function = arguments['function'] as String;
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try {
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if (function == "createJoinSplit") {
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final spendAmount = arguments['spendAmount'] as int;
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final address = arguments['address'] as String;
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final subtractFeeFromAmount = arguments['subtractFeeFromAmount'] as bool;
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final mnemonic = arguments['mnemonic'] as String;
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final index = arguments['index'] as int;
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final price = arguments['price'] as Decimal;
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final lelantusEntries =
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arguments['lelantusEntries'] as List<DartLelantusEntry>;
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final coin = arguments['coin'] as Coin;
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final network = arguments['network'] as NetworkType?;
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final locktime = arguments['locktime'] as int;
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final anonymitySets = arguments['_anonymity_sets'] as List<Map>?;
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final locale = arguments["locale"] as String;
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if (!(network == null || anonymitySets == null)) {
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var joinSplit = await isolateCreateJoinSplitTransaction(
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spendAmount,
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address,
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subtractFeeFromAmount,
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mnemonic,
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index,
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price,
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lelantusEntries,
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locktime,
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coin,
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network,
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anonymitySets,
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locale);
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sendPort.send(joinSplit);
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return;
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}
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} else if (function == "estimateJoinSplit") {
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final spendAmount = arguments['spendAmount'] as int;
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final subtractFeeFromAmount = arguments['subtractFeeFromAmount'] as bool?;
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final lelantusEntries =
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arguments['lelantusEntries'] as List<DartLelantusEntry>;
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final coin = arguments['coin'] as Coin;
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if (!(subtractFeeFromAmount == null)) {
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var feeData = await isolateEstimateJoinSplitFee(
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spendAmount, subtractFeeFromAmount, lelantusEntries, coin);
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sendPort.send(feeData);
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return;
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}
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} else if (function == "restore") {
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final latestSetId = arguments['latestSetId'] as int;
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final setDataMap = arguments['setDataMap'] as Map;
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final usedSerialNumbers = arguments['usedSerialNumbers'] as List?;
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final mnemonic = arguments['mnemonic'] as String;
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final coin = arguments['coin'] as Coin;
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final network = arguments['network'] as NetworkType?;
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if (!(usedSerialNumbers == null || network == null)) {
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var restoreData = await isolateRestore(
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mnemonic,
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coin,
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latestSetId,
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setDataMap,
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usedSerialNumbers,
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network,
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);
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sendPort.send(restoreData);
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return;
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}
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} else if (function == "isolateDerive") {
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final mnemonic = arguments['mnemonic'] as String;
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final from = arguments['from'] as int;
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final to = arguments['to'] as int;
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final network = arguments['network'] as NetworkType?;
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if (!(network == null)) {
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var derived = await isolateDerive(mnemonic, from, to, network);
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sendPort.send(derived);
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return;
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}
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}
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Logging.instance.log(
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"Error Arguments for $function not formatted correctly",
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level: LogLevel.Fatal);
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sendPort.send("Error");
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} catch (e, s) {
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Logging.instance.log(
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"An error was thrown in this isolate $function: $e\n$s",
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level: LogLevel.Error);
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sendPort.send("Error");
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} finally {
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await Logging.instance.isar?.close();
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}
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}
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void stop(ReceivePort port) {
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Isolate? isolate = isolates.remove(port);
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if (isolate != null) {
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Logging.instance.log('Stopping Isolate...', level: LogLevel.Info);
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isolate.kill(priority: Isolate.immediate);
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isolate = null;
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}
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}
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Future<Map<String, dynamic>> isolateDerive(
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String mnemonic, int from, int to, NetworkType _network) async {
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Map<String, dynamic> result = {};
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Map<String, dynamic> allReceive = {};
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Map<String, dynamic> allChange = {};
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final root = getBip32Root(mnemonic, _network);
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for (int i = from; i < to; i++) {
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var currentNode = getBip32NodeFromRoot(0, i, root);
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var address = P2PKH(
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network: _network, data: PaymentData(pubkey: currentNode.publicKey))
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.data
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.address!;
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allReceive["$i"] = {
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"publicKey": Format.uint8listToString(currentNode.publicKey),
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"wif": currentNode.toWIF(),
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"address": address,
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};
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currentNode = getBip32NodeFromRoot(1, i, root);
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address = P2PKH(
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network: _network, data: PaymentData(pubkey: currentNode.publicKey))
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.data
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.address!;
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allChange["$i"] = {
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"publicKey": Format.uint8listToString(currentNode.publicKey),
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"wif": currentNode.toWIF(),
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"address": address,
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};
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if (i % 50 == 0) {
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Logging.instance.log("thread at $i", level: LogLevel.Info);
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}
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}
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result['receive'] = allReceive;
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result['change'] = allChange;
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return result;
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}
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Future<Map<String, dynamic>> isolateRestore(
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String mnemonic,
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Coin coin,
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int _latestSetId,
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Map<dynamic, dynamic> _setDataMap,
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List<dynamic> _usedSerialNumbers,
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NetworkType network,
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) async {
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List<int> jindexes = [];
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List<Map<dynamic, LelantusCoin>> lelantusCoins = [];
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final List<String> spendTxIds = [];
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var lastFoundIndex = 0;
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var currentIndex = 0;
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try {
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final usedSerialNumbers = _usedSerialNumbers;
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Set<dynamic> usedSerialNumbersSet = {};
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for (int ind = 0; ind < usedSerialNumbers.length; ind++) {
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usedSerialNumbersSet.add(usedSerialNumbers[ind]);
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}
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final root = getBip32Root(mnemonic, network);
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while (currentIndex < lastFoundIndex + 50) {
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final mintKeyPair = getBip32NodeFromRoot(MINT_INDEX, currentIndex, root);
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final mintTag = CreateTag(
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Format.uint8listToString(mintKeyPair.privateKey!),
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currentIndex,
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Format.uint8listToString(mintKeyPair.identifier),
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isTestnet: coin == Coin.firoTestNet);
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for (var setId = 1; setId <= _latestSetId; setId++) {
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final setData = _setDataMap[setId];
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final foundCoin = setData["coins"].firstWhere(
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(dynamic e) => e[1] == mintTag,
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orElse: () => <Object>[]);
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if (foundCoin.length == 4) {
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lastFoundIndex = currentIndex;
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if (foundCoin[2] is int) {
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final amount = foundCoin[2] as int;
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final serialNumber = GetSerialNumber(amount,
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Format.uint8listToString(mintKeyPair.privateKey!), currentIndex,
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isTestnet: coin == Coin.firoTestNet);
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String publicCoin = foundCoin[0] as String;
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String txId = foundCoin[3] as String;
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bool isUsed = usedSerialNumbersSet.contains(serialNumber);
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final duplicateCoin = lelantusCoins.firstWhere((element) {
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final coin = element.values.first;
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return coin.txId == txId &&
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coin.index == currentIndex &&
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coin.anonymitySetId != setId;
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}, orElse: () => {});
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if (duplicateCoin.isNotEmpty) {
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debugPrint("removing duplicate: $duplicateCoin");
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lelantusCoins.remove(duplicateCoin);
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}
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lelantusCoins.add({
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publicCoin: LelantusCoin(
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currentIndex,
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amount,
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publicCoin,
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txId,
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setId,
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isUsed,
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)
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});
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Logging.instance
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.log("amount $amount used $isUsed", level: LogLevel.Info);
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} else {
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final keyPath = GetAesKeyPath(foundCoin[0] as String);
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final aesKeyPair = getBip32NodeFromRoot(JMINT_INDEX, keyPath, root);
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if (aesKeyPair.privateKey != null) {
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final aesPrivateKey =
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Format.uint8listToString(aesKeyPair.privateKey!);
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final amount = decryptMintAmount(
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aesPrivateKey,
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foundCoin[2] as String,
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);
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final serialNumber = GetSerialNumber(
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amount,
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Format.uint8listToString(mintKeyPair.privateKey!),
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currentIndex,
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isTestnet: coin == Coin.firoTestNet);
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String publicCoin = foundCoin[0] as String;
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String txId = foundCoin[3] as String;
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bool isUsed = usedSerialNumbersSet.contains(serialNumber);
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final duplicateCoin = lelantusCoins.firstWhere((element) {
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final coin = element.values.first;
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return coin.txId == txId &&
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coin.index == currentIndex &&
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coin.anonymitySetId != setId;
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}, orElse: () => {});
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if (duplicateCoin.isNotEmpty) {
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debugPrint("removing duplicate: $duplicateCoin");
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lelantusCoins.remove(duplicateCoin);
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}
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lelantusCoins.add({
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'${foundCoin[3]!}': LelantusCoin(
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currentIndex,
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amount,
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publicCoin,
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txId,
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setId,
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isUsed,
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)
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});
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jindexes.add(currentIndex);
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spendTxIds.add(foundCoin[3] as String);
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}
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}
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}
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}
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currentIndex++;
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}
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} catch (e, s) {
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Logging.instance.log("Exception rethrown from isolateRestore(): $e\n$s",
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level: LogLevel.Info);
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rethrow;
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}
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Map<String, dynamic> result = {};
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// Logging.instance.log("mints $lelantusCoins", addToDebugMessagesDB: false);
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// Logging.instance.log("jmints $spendTxIds", addToDebugMessagesDB: false);
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result['_lelantus_coins'] = lelantusCoins;
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result['mintIndex'] = lastFoundIndex + 1;
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result['jindex'] = jindexes;
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result['spendTxIds'] = spendTxIds;
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return result;
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}
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Future<Map<dynamic, dynamic>> staticProcessRestore(
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models.TransactionData data,
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Map<dynamic, dynamic> result,
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) async {
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List<dynamic>? _l = result['_lelantus_coins'] as List?;
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final List<Map<dynamic, LelantusCoin>> lelantusCoins = [];
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for (var el in _l ?? []) {
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lelantusCoins.add({el.keys.first: el.values.first as LelantusCoin});
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}
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// Edit the receive transactions with the mint fees.
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Map<String, models.Transaction> editedTransactions =
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<String, models.Transaction>{};
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for (var item in lelantusCoins) {
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item.forEach((key, value) {
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String txid = value.txId;
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var tx = data.findTransaction(txid);
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if (tx == null) {
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// This is a jmint.
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return;
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}
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List<models.Transaction> inputs = [];
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for (var element in tx.inputs) {
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var input = data.findTransaction(element.txid);
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if (input != null) {
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inputs.add(input);
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}
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}
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if (inputs.isEmpty) {
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//some error.
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return;
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}
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int mintfee = tx.fees;
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int sharedfee = mintfee ~/ inputs.length;
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for (var element in inputs) {
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editedTransactions[element.txid] = models.Transaction(
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txid: element.txid,
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confirmedStatus: element.confirmedStatus,
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timestamp: element.timestamp,
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txType: element.txType,
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amount: element.amount,
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aliens: element.aliens,
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worthNow: element.worthNow,
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worthAtBlockTimestamp: element.worthAtBlockTimestamp,
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fees: sharedfee,
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inputSize: element.inputSize,
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outputSize: element.outputSize,
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inputs: element.inputs,
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outputs: element.outputs,
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address: element.address,
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height: element.height,
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confirmations: element.confirmations,
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subType: "mint",
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otherData: txid,
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);
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}
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});
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}
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// Logging.instance.log(editedTransactions, addToDebugMessagesDB: false);
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Map<String, models.Transaction> transactionMap = data.getAllTransactions();
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// Logging.instance.log(transactionMap, addToDebugMessagesDB: false);
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editedTransactions.forEach((key, value) {
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transactionMap.update(key, (_value) => value);
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});
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transactionMap.removeWhere((key, value) =>
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lelantusCoins.any((element) => element.containsKey(key)) ||
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(value.height == -1 && !value.confirmedStatus));
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result['newTxMap'] = transactionMap;
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return result;
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}
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Future<LelantusFeeData> isolateEstimateJoinSplitFee(
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int spendAmount,
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bool subtractFeeFromAmount,
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List<DartLelantusEntry> lelantusEntries,
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Coin coin) async {
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Logging.instance.log("estimateJoinsplit fee", level: LogLevel.Info);
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// for (int i = 0; i < lelantusEntries.length; i++) {
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// Logging.instance.log(lelantusEntries[i], addToDebugMessagesDB: false);
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// }
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Logging.instance
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.log("$spendAmount $subtractFeeFromAmount", level: LogLevel.Info);
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List<int> changeToMint = List.empty(growable: true);
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List<int> spendCoinIndexes = List.empty(growable: true);
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// Logging.instance.log(lelantusEntries, addToDebugMessagesDB: false);
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final fee = estimateFee(
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spendAmount,
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subtractFeeFromAmount,
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lelantusEntries,
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changeToMint,
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spendCoinIndexes,
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isTestnet: coin == Coin.firoTestNet,
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);
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final estimateFeeData =
|
|
LelantusFeeData(changeToMint[0], fee, spendCoinIndexes);
|
|
Logging.instance.log(
|
|
"estimateFeeData ${estimateFeeData.changeToMint} ${estimateFeeData.fee} ${estimateFeeData.spendCoinIndexes}",
|
|
level: LogLevel.Info);
|
|
return estimateFeeData;
|
|
}
|
|
|
|
Future<dynamic> isolateCreateJoinSplitTransaction(
|
|
int spendAmount,
|
|
String address,
|
|
bool subtractFeeFromAmount,
|
|
String mnemonic,
|
|
int index,
|
|
Decimal price,
|
|
List<DartLelantusEntry> lelantusEntries,
|
|
int locktime,
|
|
Coin coin,
|
|
NetworkType _network,
|
|
List<Map<dynamic, dynamic>> anonymitySetsArg,
|
|
String locale,
|
|
) async {
|
|
final estimateJoinSplitFee = await isolateEstimateJoinSplitFee(
|
|
spendAmount, subtractFeeFromAmount, lelantusEntries, coin);
|
|
var changeToMint = estimateJoinSplitFee.changeToMint;
|
|
var fee = estimateJoinSplitFee.fee;
|
|
var spendCoinIndexes = estimateJoinSplitFee.spendCoinIndexes;
|
|
Logging.instance
|
|
.log("$changeToMint $fee $spendCoinIndexes", level: LogLevel.Info);
|
|
if (spendCoinIndexes.isEmpty) {
|
|
Logging.instance.log("Error, Not enough funds.", level: LogLevel.Error);
|
|
return 1;
|
|
}
|
|
|
|
final tx = TransactionBuilder(network: _network);
|
|
tx.setLockTime(locktime);
|
|
|
|
tx.setVersion(3 | (TRANSACTION_LELANTUS << 16));
|
|
|
|
tx.addInput(
|
|
'0000000000000000000000000000000000000000000000000000000000000000',
|
|
4294967295,
|
|
4294967295,
|
|
Uint8List(0),
|
|
);
|
|
|
|
final jmintKeyPair = getBip32Node(MINT_INDEX, index, mnemonic, _network);
|
|
|
|
final String jmintprivatekey =
|
|
Format.uint8listToString(jmintKeyPair.privateKey!);
|
|
|
|
final keyPath = getMintKeyPath(changeToMint, jmintprivatekey, index,
|
|
isTestnet: coin == Coin.firoTestNet);
|
|
|
|
final aesKeyPair = getBip32Node(JMINT_INDEX, keyPath, mnemonic, _network);
|
|
final aesPrivateKey = Format.uint8listToString(aesKeyPair.privateKey!);
|
|
|
|
final jmintData = createJMintScript(
|
|
changeToMint,
|
|
Format.uint8listToString(jmintKeyPair.privateKey!),
|
|
index,
|
|
Format.uint8listToString(jmintKeyPair.identifier),
|
|
aesPrivateKey,
|
|
isTestnet: coin == Coin.firoTestNet,
|
|
);
|
|
|
|
tx.addOutput(
|
|
Format.stringToUint8List(jmintData),
|
|
0,
|
|
);
|
|
|
|
int amount = spendAmount;
|
|
if (subtractFeeFromAmount) {
|
|
amount -= fee;
|
|
}
|
|
tx.addOutput(
|
|
address,
|
|
amount,
|
|
);
|
|
|
|
final extractedTx = tx.buildIncomplete();
|
|
extractedTx.setPayload(Uint8List(0));
|
|
final txHash = extractedTx.getId();
|
|
|
|
final List<int> setIds = [];
|
|
final List<List<String>> anonymitySets = [];
|
|
final List<String> anonymitySetHashes = [];
|
|
final List<String> groupBlockHashes = [];
|
|
for (var i = 0; i < lelantusEntries.length; i++) {
|
|
final anonymitySetId = lelantusEntries[i].anonymitySetId;
|
|
if (!setIds.contains(anonymitySetId)) {
|
|
setIds.add(anonymitySetId);
|
|
final anonymitySet = anonymitySetsArg.firstWhere(
|
|
(element) => element["setId"] == anonymitySetId,
|
|
orElse: () => <String, dynamic>{});
|
|
if (anonymitySet.isNotEmpty) {
|
|
anonymitySetHashes.add(anonymitySet['setHash'] as String);
|
|
groupBlockHashes.add(anonymitySet['blockHash'] as String);
|
|
List<String> list = [];
|
|
for (int i = 0; i < (anonymitySet['coins'] as List).length; i++) {
|
|
list.add(anonymitySet['coins'][i][0] as String);
|
|
}
|
|
anonymitySets.add(list);
|
|
}
|
|
}
|
|
}
|
|
|
|
final String spendScript = createJoinSplitScript(
|
|
txHash,
|
|
spendAmount,
|
|
subtractFeeFromAmount,
|
|
Format.uint8listToString(jmintKeyPair.privateKey!),
|
|
index,
|
|
lelantusEntries,
|
|
setIds,
|
|
anonymitySets,
|
|
anonymitySetHashes,
|
|
groupBlockHashes,
|
|
isTestnet: coin == Coin.firoTestNet);
|
|
|
|
final finalTx = TransactionBuilder(network: _network);
|
|
finalTx.setLockTime(locktime);
|
|
|
|
finalTx.setVersion(3 | (TRANSACTION_LELANTUS << 16));
|
|
|
|
finalTx.addOutput(
|
|
Format.stringToUint8List(jmintData),
|
|
0,
|
|
);
|
|
|
|
finalTx.addOutput(
|
|
address,
|
|
amount,
|
|
);
|
|
|
|
final extTx = finalTx.buildIncomplete();
|
|
extTx.addInput(
|
|
Format.stringToUint8List(
|
|
'0000000000000000000000000000000000000000000000000000000000000000'),
|
|
4294967295,
|
|
4294967295,
|
|
Format.stringToUint8List("c9"),
|
|
);
|
|
debugPrint("spendscript: $spendScript");
|
|
extTx.setPayload(Format.stringToUint8List(spendScript));
|
|
|
|
final txHex = extTx.toHex();
|
|
final txId = extTx.getId();
|
|
Logging.instance.log("txid $txId", level: LogLevel.Info);
|
|
Logging.instance.log("txHex: $txHex", level: LogLevel.Info);
|
|
return {
|
|
"txid": txId,
|
|
"txHex": txHex,
|
|
"value": amount,
|
|
"fees": Format.satoshisToAmount(fee).toDouble(),
|
|
"fee": fee,
|
|
"vSize": extTx.virtualSize(),
|
|
"jmintValue": changeToMint,
|
|
"publicCoin": "jmintData.publicCoin",
|
|
"spendCoinIndexes": spendCoinIndexes,
|
|
"height": locktime,
|
|
"txType": "Sent",
|
|
"confirmed_status": false,
|
|
"amount": Format.satoshisToAmount(amount).toDouble(),
|
|
"recipientAmt": amount,
|
|
"worthNow": Format.localizedStringAsFixed(
|
|
value: ((Decimal.fromInt(amount) * price) /
|
|
Decimal.fromInt(Constants.satsPerCoin))
|
|
.toDecimal(scaleOnInfinitePrecision: 2),
|
|
decimalPlaces: 2,
|
|
locale: locale),
|
|
"address": address,
|
|
"timestamp": DateTime.now().millisecondsSinceEpoch ~/ 1000,
|
|
"subType": "join",
|
|
};
|
|
}
|
|
|
|
Future<int> getBlockHead(ElectrumX client) async {
|
|
try {
|
|
final tip = await client.getBlockHeadTip();
|
|
return tip["height"] as int;
|
|
} catch (e) {
|
|
Logging.instance
|
|
.log("Exception rethrown in getBlockHead(): $e", level: LogLevel.Error);
|
|
rethrow;
|
|
}
|
|
}
|
|
// end of isolates
|
|
|
|
bip32.BIP32 getBip32Node(
|
|
int chain, int index, String mnemonic, NetworkType network) {
|
|
final root = getBip32Root(mnemonic, network);
|
|
|
|
final node = getBip32NodeFromRoot(chain, index, root);
|
|
return node;
|
|
}
|
|
|
|
/// wrapper for compute()
|
|
bip32.BIP32 getBip32NodeWrapper(
|
|
Tuple4<int, int, String, NetworkType> args,
|
|
) {
|
|
return getBip32Node(
|
|
args.item1,
|
|
args.item2,
|
|
args.item3,
|
|
args.item4,
|
|
);
|
|
}
|
|
|
|
bip32.BIP32 getBip32NodeFromRoot(int chain, int index, bip32.BIP32 root) {
|
|
String coinType;
|
|
switch (root.network.wif) {
|
|
case 0xd2: // firo mainnet wif
|
|
coinType = "136"; // firo mainnet
|
|
break;
|
|
case 0xb9: // firo testnet wif
|
|
coinType = "1"; // firo testnet
|
|
break;
|
|
default:
|
|
throw Exception("Invalid Bitcoin network type used!");
|
|
}
|
|
|
|
final node = root.derivePath("m/44'/$coinType'/0'/$chain/$index");
|
|
return node;
|
|
}
|
|
|
|
/// wrapper for compute()
|
|
bip32.BIP32 getBip32NodeFromRootWrapper(
|
|
Tuple3<int, int, bip32.BIP32> args,
|
|
) {
|
|
return getBip32NodeFromRoot(
|
|
args.item1,
|
|
args.item2,
|
|
args.item3,
|
|
);
|
|
}
|
|
|
|
bip32.BIP32 getBip32Root(String mnemonic, NetworkType network) {
|
|
final seed = bip39.mnemonicToSeed(mnemonic);
|
|
final firoNetworkType = bip32.NetworkType(
|
|
wif: network.wif,
|
|
bip32: bip32.Bip32Type(
|
|
public: network.bip32.public,
|
|
private: network.bip32.private,
|
|
),
|
|
);
|
|
|
|
final root = bip32.BIP32.fromSeed(seed, firoNetworkType);
|
|
return root;
|
|
}
|
|
|
|
/// wrapper for compute()
|
|
bip32.BIP32 getBip32RootWrapper(Tuple2<String, NetworkType> args) {
|
|
return getBip32Root(args.item1, args.item2);
|
|
}
|
|
|
|
Future<String> _getMintScriptWrapper(
|
|
Tuple5<int, String, int, String, bool> data) async {
|
|
String mintHex = getMintScript(data.item1, data.item2, data.item3, data.item4,
|
|
isTestnet: data.item5);
|
|
return mintHex;
|
|
}
|
|
|
|
Future<void> _setTestnetWrapper(bool isTestnet) async {
|
|
// setTestnet(isTestnet);
|
|
}
|
|
|
|
Future<Map<String, dynamic>?> getInitialAnonymitySetCache(
|
|
String groupID,
|
|
) async {
|
|
Logging.instance.log("getInitialAnonymitySetCache", level: LogLevel.Info);
|
|
final Client client = Client();
|
|
try {
|
|
final uri = Uri.parse("$kStackCommunityNodesEndpoint/getAnonymity");
|
|
|
|
final anonSetResult = await client.post(
|
|
uri,
|
|
headers: {'Content-Type': 'application/json'},
|
|
body: jsonEncode({
|
|
"jsonrpc": "2.0",
|
|
"id": "0",
|
|
'aset': groupID,
|
|
}),
|
|
);
|
|
|
|
final response = jsonDecode(anonSetResult.body.toString());
|
|
Logging.instance.log(response, level: LogLevel.Info);
|
|
if (response['status'] == 'success') {
|
|
final anonResponse = jsonDecode(response['result'] as String);
|
|
|
|
final setData = Map<String, dynamic>.from(anonResponse as Map);
|
|
return setData;
|
|
} else {
|
|
return null;
|
|
}
|
|
} catch (e, s) {
|
|
Logging.instance.log("$e $s", level: LogLevel.Error);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
/// Handles a single instance of a firo wallet
|
|
class FiroWallet extends CoinServiceAPI {
|
|
static const integrationTestFlag =
|
|
bool.fromEnvironment("IS_INTEGRATION_TEST");
|
|
|
|
final _prefs = Prefs.instance;
|
|
|
|
Timer? timer;
|
|
late Coin _coin;
|
|
|
|
bool _shouldAutoSync = false;
|
|
|
|
@override
|
|
bool get shouldAutoSync => _shouldAutoSync;
|
|
|
|
@override
|
|
set shouldAutoSync(bool shouldAutoSync) {
|
|
if (_shouldAutoSync != shouldAutoSync) {
|
|
_shouldAutoSync = shouldAutoSync;
|
|
if (!shouldAutoSync) {
|
|
timer?.cancel();
|
|
timer = null;
|
|
stopNetworkAlivePinging();
|
|
} else {
|
|
startNetworkAlivePinging();
|
|
refresh();
|
|
}
|
|
}
|
|
}
|
|
|
|
NetworkType get _network {
|
|
switch (coin) {
|
|
case Coin.firo:
|
|
return firoNetwork;
|
|
case Coin.firoTestNet:
|
|
return firoTestNetwork;
|
|
default:
|
|
throw Exception("Invalid network type!");
|
|
}
|
|
}
|
|
|
|
@override
|
|
set isFavorite(bool markFavorite) {
|
|
DB.instance.put<dynamic>(
|
|
boxName: walletId, key: "isFavorite", value: markFavorite);
|
|
}
|
|
|
|
@override
|
|
bool get isFavorite {
|
|
try {
|
|
return DB.instance.get<dynamic>(boxName: walletId, key: "isFavorite")
|
|
as bool;
|
|
} catch (e, s) {
|
|
Logging.instance.log(
|
|
"isFavorite fetch failed (returning false by default): $e\n$s",
|
|
level: LogLevel.Error);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
@override
|
|
Coin get coin => _coin;
|
|
|
|
// @override
|
|
// String get coinName =>
|
|
// networkType == BasicNetworkType.main ? "Firo" : "tFiro";
|
|
//
|
|
// @override
|
|
// String get coinTicker =>
|
|
// networkType == BasicNetworkType.main ? "FIRO" : "tFIRO";
|
|
|
|
@override
|
|
Future<List<String>> get mnemonic => _getMnemonicList();
|
|
|
|
// index 0 and 1 for the funds available to spend.
|
|
// index 2 and 3 for all the funds in the wallet (including the undependable ones)
|
|
@override
|
|
Future<Decimal> get availableBalance async {
|
|
final balances = await this.balances;
|
|
return balances[0];
|
|
}
|
|
|
|
// index 0 and 1 for the funds available to spend.
|
|
// index 2 and 3 for all the funds in the wallet (including the undependable ones)
|
|
@override
|
|
Future<Decimal> get pendingBalance async {
|
|
final balances = await this.balances;
|
|
return balances[2] - balances[0];
|
|
}
|
|
|
|
// index 0 and 1 for the funds available to spend.
|
|
// index 2 and 3 for all the funds in the wallet (including the undependable ones)
|
|
@override
|
|
Future<Decimal> get totalBalance async {
|
|
if (!isActive) {
|
|
final totalBalance = DB.instance
|
|
.get<dynamic>(boxName: walletId, key: 'totalBalance') as String?;
|
|
if (totalBalance == null) {
|
|
final balances = await this.balances;
|
|
return balances[2];
|
|
} else {
|
|
return Decimal.parse(totalBalance);
|
|
// the following caused a crash as it seems totalBalance here
|
|
// is a string. Gotta love dynamics
|
|
// return Format.satoshisToAmount(totalBalance);
|
|
}
|
|
}
|
|
final balances = await this.balances;
|
|
return balances[2];
|
|
}
|
|
|
|
/// return spendable balance minus the maximum tx fee
|
|
@override
|
|
Future<Decimal> get balanceMinusMaxFee async {
|
|
final balances = await this.balances;
|
|
final maxFee = await this.maxFee;
|
|
return balances[0] - Format.satoshisToAmount(maxFee);
|
|
}
|
|
|
|
@override
|
|
Future<models.TransactionData> get transactionData => lelantusTransactionData;
|
|
|
|
@override
|
|
bool validateAddress(String address) {
|
|
return Address.validateAddress(address, _network);
|
|
}
|
|
|
|
/// Holds final balances, all utxos under control
|
|
Future<UtxoData>? _utxoData;
|
|
Future<UtxoData> get utxoData => _utxoData ??= _fetchUtxoData();
|
|
|
|
@override
|
|
Future<List<UtxoObject>> get unspentOutputs async =>
|
|
(await utxoData).unspentOutputArray;
|
|
|
|
/// Holds wallet transaction data
|
|
Future<models.TransactionData>? _transactionData;
|
|
Future<models.TransactionData> get _txnData =>
|
|
_transactionData ??= _fetchTransactionData();
|
|
|
|
models.TransactionData? cachedTxData;
|
|
|
|
// hack to add tx to txData before refresh completes
|
|
// required based on current app architecture where we don't properly store
|
|
// transactions locally in a good way
|
|
@override
|
|
Future<void> updateSentCachedTxData(Map<String, dynamic> txData) async {
|
|
final currentPrice = await firoPrice;
|
|
final locale = await Devicelocale.currentLocale;
|
|
final String worthNow = Format.localizedStringAsFixed(
|
|
value:
|
|
((currentPrice * Decimal.fromInt(txData["recipientAmt"] as int)) /
|
|
Decimal.fromInt(Constants.satsPerCoin))
|
|
.toDecimal(scaleOnInfinitePrecision: 2),
|
|
decimalPlaces: 2,
|
|
locale: locale!);
|
|
|
|
final tx = models.Transaction(
|
|
txid: txData["txid"] as String,
|
|
confirmedStatus: false,
|
|
timestamp: DateTime.now().millisecondsSinceEpoch ~/ 1000,
|
|
txType: "Sent",
|
|
amount: txData["recipientAmt"] as int,
|
|
worthNow: worthNow,
|
|
worthAtBlockTimestamp: worthNow,
|
|
fees: txData["fee"] as int,
|
|
inputSize: 0,
|
|
outputSize: 0,
|
|
inputs: [],
|
|
outputs: [],
|
|
address: txData["address"] as String,
|
|
height: -1,
|
|
confirmations: 0,
|
|
);
|
|
|
|
if (cachedTxData == null) {
|
|
final data = await _fetchTransactionData();
|
|
_transactionData = Future(() => data);
|
|
}
|
|
|
|
final transactions = cachedTxData!.getAllTransactions();
|
|
transactions[tx.txid] = tx;
|
|
cachedTxData = models.TransactionData.fromMap(transactions);
|
|
_transactionData = Future(() => cachedTxData!);
|
|
}
|
|
|
|
/// Holds wallet lelantus transaction data
|
|
Future<models.TransactionData>? _lelantusTransactionData;
|
|
Future<models.TransactionData> get lelantusTransactionData =>
|
|
_lelantusTransactionData ??= _getLelantusTransactionData();
|
|
|
|
/// Holds the max fee that can be sent
|
|
Future<int>? _maxFee;
|
|
@override
|
|
Future<int> get maxFee => _maxFee ??= _fetchMaxFee();
|
|
|
|
/// Holds the current balance data
|
|
Future<List<Decimal>>? _balances;
|
|
Future<List<Decimal>> get balances => _balances ??= _getFullBalance();
|
|
|
|
/// Holds all outputs for wallet, used for displaying utxos in app security view
|
|
List<UtxoObject> _outputsList = [];
|
|
|
|
Future<Decimal> get firoPrice async {
|
|
final data =
|
|
await _priceAPI.getPricesAnd24hChange(baseCurrency: _prefs.currency);
|
|
if (coin == Coin.firoTestNet) {
|
|
return data[Coin.firo]!.item1;
|
|
}
|
|
return data[coin]!.item1;
|
|
}
|
|
|
|
// currently isn't used but required due to abstract parent class
|
|
Future<FeeObject>? _feeObject;
|
|
@override
|
|
Future<FeeObject> get fees => _feeObject ??= _getFees();
|
|
|
|
/// Holds updated receiving address
|
|
Future<String>? _currentReceivingAddress;
|
|
@override
|
|
Future<String> get currentReceivingAddress =>
|
|
_currentReceivingAddress ??= _getCurrentAddressForChain(0);
|
|
|
|
// @override
|
|
// Future<String> get currentLegacyReceivingAddress => null;
|
|
|
|
late String _walletName;
|
|
@override
|
|
String get walletName => _walletName;
|
|
|
|
// setter for updating on rename
|
|
@override
|
|
set walletName(String newName) => _walletName = newName;
|
|
|
|
/// unique wallet id
|
|
late String _walletId;
|
|
@override
|
|
String get walletId => _walletId;
|
|
|
|
Future<List<String>>? _allOwnAddresses;
|
|
@override
|
|
Future<List<String>> get allOwnAddresses =>
|
|
_allOwnAddresses ??= _fetchAllOwnAddresses();
|
|
|
|
@override
|
|
Future<bool> testNetworkConnection() async {
|
|
try {
|
|
final result = await _electrumXClient.ping();
|
|
return result;
|
|
} catch (_) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
Timer? _networkAliveTimer;
|
|
|
|
void startNetworkAlivePinging() {
|
|
// call once on start right away
|
|
_periodicPingCheck();
|
|
|
|
// then periodically check
|
|
_networkAliveTimer = Timer.periodic(
|
|
Constants.networkAliveTimerDuration,
|
|
(_) async {
|
|
_periodicPingCheck();
|
|
},
|
|
);
|
|
}
|
|
|
|
void _periodicPingCheck() async {
|
|
bool hasNetwork = await testNetworkConnection();
|
|
_isConnected = hasNetwork;
|
|
if (_isConnected != hasNetwork) {
|
|
NodeConnectionStatus status = hasNetwork
|
|
? NodeConnectionStatus.connected
|
|
: NodeConnectionStatus.disconnected;
|
|
GlobalEventBus.instance
|
|
.fire(NodeConnectionStatusChangedEvent(status, walletId, coin));
|
|
}
|
|
}
|
|
|
|
void stopNetworkAlivePinging() {
|
|
_networkAliveTimer?.cancel();
|
|
_networkAliveTimer = null;
|
|
}
|
|
|
|
bool _isConnected = false;
|
|
|
|
@override
|
|
bool get isConnected => _isConnected;
|
|
|
|
Future<Map<String, dynamic>> prepareSendPublic({
|
|
required String address,
|
|
required int satoshiAmount,
|
|
Map<String, dynamic>? args,
|
|
}) async {
|
|
try {
|
|
final feeRateType = args?["feeRate"];
|
|
final feeRateAmount = args?["feeRateAmount"];
|
|
if (feeRateType is FeeRateType || feeRateAmount is int) {
|
|
late final int rate;
|
|
if (feeRateType is FeeRateType) {
|
|
int fee = 0;
|
|
final feeObject = await fees;
|
|
switch (feeRateType) {
|
|
case FeeRateType.fast:
|
|
fee = feeObject.fast;
|
|
break;
|
|
case FeeRateType.average:
|
|
fee = feeObject.medium;
|
|
break;
|
|
case FeeRateType.slow:
|
|
fee = feeObject.slow;
|
|
break;
|
|
}
|
|
rate = fee;
|
|
} else {
|
|
rate = feeRateAmount as int;
|
|
}
|
|
|
|
// check for send all
|
|
bool isSendAll = false;
|
|
final balance =
|
|
Format.decimalAmountToSatoshis(await availablePublicBalance());
|
|
if (satoshiAmount == balance) {
|
|
isSendAll = true;
|
|
}
|
|
|
|
final txData =
|
|
await coinSelection(satoshiAmount, rate, address, isSendAll);
|
|
|
|
Logging.instance.log("prepare send: $txData", level: LogLevel.Info);
|
|
try {
|
|
if (txData is int) {
|
|
switch (txData) {
|
|
case 1:
|
|
throw Exception("Insufficient balance!");
|
|
case 2:
|
|
throw Exception(
|
|
"Insufficient funds to pay for transaction fee!");
|
|
default:
|
|
throw Exception("Transaction failed with error code $txData");
|
|
}
|
|
} else {
|
|
final hex = txData["hex"];
|
|
|
|
if (hex is String) {
|
|
final fee = txData["fee"] as int;
|
|
final vSize = txData["vSize"] as int;
|
|
|
|
Logging.instance
|
|
.log("prepared txHex: $hex", level: LogLevel.Info);
|
|
Logging.instance.log("prepared fee: $fee", level: LogLevel.Info);
|
|
Logging.instance
|
|
.log("prepared vSize: $vSize", level: LogLevel.Info);
|
|
|
|
// fee should never be less than vSize sanity check
|
|
if (fee < vSize) {
|
|
throw Exception(
|
|
"Error in fee calculation: Transaction fee cannot be less than vSize");
|
|
}
|
|
|
|
return txData as Map<String, dynamic>;
|
|
} else {
|
|
throw Exception("prepared hex is not a String!!!");
|
|
}
|
|
}
|
|
} catch (e, s) {
|
|
Logging.instance.log("Exception rethrown from prepareSend(): $e\n$s",
|
|
level: LogLevel.Error);
|
|
rethrow;
|
|
}
|
|
} else {
|
|
throw ArgumentError("Invalid fee rate argument provided!");
|
|
}
|
|
} catch (e, s) {
|
|
Logging.instance.log("Exception rethrown from prepareSend(): $e\n$s",
|
|
level: LogLevel.Error);
|
|
rethrow;
|
|
}
|
|
}
|
|
|
|
Future<String> confirmSendPublic({dynamic txData}) async {
|
|
try {
|
|
Logging.instance.log("confirmSend txData: $txData", level: LogLevel.Info);
|
|
final txHash = await _electrumXClient.broadcastTransaction(
|
|
rawTx: txData["hex"] as String);
|
|
Logging.instance.log("Sent txHash: $txHash", level: LogLevel.Info);
|
|
txData["txid"] = txHash;
|
|
// dirty ui update hack
|
|
await updateSentCachedTxData(txData as Map<String, dynamic>);
|
|
return txHash;
|
|
} catch (e, s) {
|
|
Logging.instance.log("Exception rethrown from confirmSend(): $e\n$s",
|
|
level: LogLevel.Error);
|
|
rethrow;
|
|
}
|
|
}
|
|
|
|
@override
|
|
Future<Map<String, dynamic>> prepareSend({
|
|
required String address,
|
|
required int satoshiAmount,
|
|
Map<String, dynamic>? args,
|
|
}) async {
|
|
try {
|
|
// check for send all
|
|
bool isSendAll = false;
|
|
final balance =
|
|
Format.decimalAmountToSatoshis(await availablePrivateBalance());
|
|
if (satoshiAmount == balance) {
|
|
// print("is send all");
|
|
isSendAll = true;
|
|
}
|
|
dynamic txHexOrError =
|
|
await _createJoinSplitTransaction(satoshiAmount, address, isSendAll);
|
|
Logging.instance.log("txHexOrError $txHexOrError", level: LogLevel.Error);
|
|
if (txHexOrError is int) {
|
|
// Here, we assume that transaction crafting returned an error
|
|
switch (txHexOrError) {
|
|
case 1:
|
|
throw Exception("Insufficient balance!");
|
|
default:
|
|
throw Exception("Error Creating Transaction!");
|
|
}
|
|
} else {
|
|
final fee = txHexOrError["fee"] as int;
|
|
final vSize = txHexOrError["vSize"] as int;
|
|
|
|
Logging.instance.log("prepared fee: $fee", level: LogLevel.Info);
|
|
Logging.instance.log("prepared vSize: $vSize", level: LogLevel.Info);
|
|
|
|
// fee should never be less than vSize sanity check
|
|
if (fee < vSize) {
|
|
throw Exception(
|
|
"Error in fee calculation: Transaction fee cannot be less than vSize");
|
|
}
|
|
return txHexOrError as Map<String, dynamic>;
|
|
}
|
|
} catch (e, s) {
|
|
Logging.instance.log("Exception rethrown in firo prepareSend(): $e\n$s",
|
|
level: LogLevel.Error);
|
|
rethrow;
|
|
}
|
|
}
|
|
|
|
@override
|
|
Future<String> confirmSend({required Map<String, dynamic> txData}) async {
|
|
if (await _submitLelantusToNetwork(txData)) {
|
|
try {
|
|
final txid = txData["txid"] as String;
|
|
|
|
// temporarily update apdate available balance until a full refresh is done
|
|
|
|
// TODO: something here causes an exception to be thrown giving user false info that the tx failed
|
|
Decimal sendTotal = Format.satoshisToAmount(txData["value"] as int);
|
|
sendTotal += Decimal.parse(txData["fees"].toString());
|
|
final bals = await balances;
|
|
bals[0] -= sendTotal;
|
|
_balances = Future(() => bals);
|
|
|
|
return txid;
|
|
} catch (e, s) {
|
|
debugPrint("$e $s");
|
|
return txData["txid"] as String;
|
|
// don't throw anything here or it will tell the user that th tx
|
|
// failed even though it was successfully broadcast to network
|
|
// throw Exception("Transaction failed.");
|
|
}
|
|
} else {
|
|
//TODO provide more info
|
|
throw Exception("Transaction failed.");
|
|
}
|
|
}
|
|
|
|
/// returns txid on successful send
|
|
///
|
|
/// can throw
|
|
@override
|
|
Future<String> send({
|
|
required String toAddress,
|
|
required int amount,
|
|
Map<String, String> args = const {},
|
|
}) async {
|
|
try {
|
|
dynamic txHexOrError =
|
|
await _createJoinSplitTransaction(amount, toAddress, false);
|
|
Logging.instance.log("txHexOrError $txHexOrError", level: LogLevel.Error);
|
|
if (txHexOrError is int) {
|
|
// Here, we assume that transaction crafting returned an error
|
|
switch (txHexOrError) {
|
|
case 1:
|
|
throw Exception("Insufficient balance!");
|
|
default:
|
|
throw Exception("Error Creating Transaction!");
|
|
}
|
|
} else {
|
|
if (await _submitLelantusToNetwork(
|
|
txHexOrError as Map<String, dynamic>)) {
|
|
final txid = txHexOrError["txid"] as String;
|
|
|
|
// temporarily update apdate available balance until a full refresh is done
|
|
Decimal sendTotal =
|
|
Format.satoshisToAmount(txHexOrError["value"] as int);
|
|
sendTotal += Decimal.parse(txHexOrError["fees"].toString());
|
|
final bals = await balances;
|
|
bals[0] -= sendTotal;
|
|
_balances = Future(() => bals);
|
|
|
|
return txid;
|
|
} else {
|
|
//TODO provide more info
|
|
throw Exception("Transaction failed.");
|
|
}
|
|
}
|
|
} catch (e, s) {
|
|
Logging.instance.log("Exception rethrown in firo send(): $e\n$s",
|
|
level: LogLevel.Error);
|
|
rethrow;
|
|
}
|
|
}
|
|
|
|
Future<List<String>> _getMnemonicList() async {
|
|
final mnemonicString =
|
|
await _secureStore.read(key: '${_walletId}_mnemonic');
|
|
if (mnemonicString == null) {
|
|
return [];
|
|
}
|
|
final List<String> data = mnemonicString.split(' ');
|
|
return data;
|
|
}
|
|
|
|
late ElectrumX _electrumXClient;
|
|
ElectrumX get electrumXClient => _electrumXClient;
|
|
|
|
late CachedElectrumX _cachedElectrumXClient;
|
|
CachedElectrumX get cachedElectrumXClient => _cachedElectrumXClient;
|
|
|
|
late FlutterSecureStorageInterface _secureStore;
|
|
|
|
late PriceAPI _priceAPI;
|
|
|
|
late TransactionNotificationTracker txTracker;
|
|
|
|
// Constructor
|
|
FiroWallet({
|
|
required String walletId,
|
|
required String walletName,
|
|
required Coin coin,
|
|
required ElectrumX client,
|
|
required CachedElectrumX cachedClient,
|
|
required TransactionNotificationTracker tracker,
|
|
PriceAPI? priceAPI,
|
|
required FlutterSecureStorageInterface secureStore,
|
|
}) {
|
|
txTracker = tracker;
|
|
_walletId = walletId;
|
|
_walletName = walletName;
|
|
_coin = coin;
|
|
_electrumXClient = client;
|
|
_cachedElectrumXClient = cachedClient;
|
|
|
|
_priceAPI = priceAPI ?? PriceAPI(Client());
|
|
_secureStore = secureStore;
|
|
|
|
Logging.instance.log("$walletName isolates length: ${isolates.length}",
|
|
level: LogLevel.Info);
|
|
// investigate possible issues killing shared isolates between multiple firo instances
|
|
for (final isolate in isolates.values) {
|
|
isolate.kill(priority: Isolate.immediate);
|
|
}
|
|
isolates.clear();
|
|
}
|
|
|
|
int estimateTxFee({required int vSize, required int feeRatePerKB}) {
|
|
return vSize * (feeRatePerKB / 1000).ceil();
|
|
}
|
|
|
|
/// The coinselection algorithm decides whether or not the user is eligible to make the transaction
|
|
/// with [satoshiAmountToSend] and [selectedTxFeeRate]. If so, it will call buildTrasaction() and return
|
|
/// a map containing the tx hex along with other important information. If not, then it will return
|
|
/// an integer (1 or 2)
|
|
dynamic coinSelection(
|
|
int satoshiAmountToSend,
|
|
int selectedTxFeeRate,
|
|
String _recipientAddress,
|
|
bool isSendAll, {
|
|
int additionalOutputs = 0,
|
|
List<UtxoObject>? utxos,
|
|
}) async {
|
|
Logging.instance
|
|
.log("Starting coinSelection ----------", level: LogLevel.Info);
|
|
final List<UtxoObject> availableOutputs = utxos ?? _outputsList;
|
|
final List<UtxoObject> spendableOutputs = [];
|
|
int spendableSatoshiValue = 0;
|
|
|
|
// Build list of spendable outputs and totaling their satoshi amount
|
|
for (var i = 0; i < availableOutputs.length; i++) {
|
|
if (availableOutputs[i].blocked == false &&
|
|
availableOutputs[i].status.confirmed == true) {
|
|
spendableOutputs.add(availableOutputs[i]);
|
|
spendableSatoshiValue += availableOutputs[i].value;
|
|
}
|
|
}
|
|
|
|
// sort spendable by age (oldest first)
|
|
spendableOutputs.sort(
|
|
(a, b) => b.status.confirmations.compareTo(a.status.confirmations));
|
|
|
|
Logging.instance.log("spendableOutputs.length: ${spendableOutputs.length}",
|
|
level: LogLevel.Info);
|
|
Logging.instance
|
|
.log("spendableOutputs: $spendableOutputs", level: LogLevel.Info);
|
|
Logging.instance.log("spendableSatoshiValue: $spendableSatoshiValue",
|
|
level: LogLevel.Info);
|
|
Logging.instance
|
|
.log("satoshiAmountToSend: $satoshiAmountToSend", level: LogLevel.Info);
|
|
// If the amount the user is trying to send is smaller than the amount that they have spendable,
|
|
// then return 1, which indicates that they have an insufficient balance.
|
|
if (spendableSatoshiValue < satoshiAmountToSend) {
|
|
return 1;
|
|
// If the amount the user wants to send is exactly equal to the amount they can spend, then return
|
|
// 2, which indicates that they are not leaving enough over to pay the transaction fee
|
|
} else if (spendableSatoshiValue == satoshiAmountToSend && !isSendAll) {
|
|
return 2;
|
|
}
|
|
// If neither of these statements pass, we assume that the user has a spendable balance greater
|
|
// than the amount they're attempting to send. Note that this value still does not account for
|
|
// the added transaction fee, which may require an extra input and will need to be checked for
|
|
// later on.
|
|
|
|
// Possible situation right here
|
|
int satoshisBeingUsed = 0;
|
|
int inputsBeingConsumed = 0;
|
|
List<UtxoObject> utxoObjectsToUse = [];
|
|
|
|
for (var i = 0;
|
|
satoshisBeingUsed <= satoshiAmountToSend && i < spendableOutputs.length;
|
|
i++) {
|
|
utxoObjectsToUse.add(spendableOutputs[i]);
|
|
satoshisBeingUsed += spendableOutputs[i].value;
|
|
inputsBeingConsumed += 1;
|
|
}
|
|
for (int i = 0;
|
|
i < additionalOutputs && inputsBeingConsumed < spendableOutputs.length;
|
|
i++) {
|
|
utxoObjectsToUse.add(spendableOutputs[inputsBeingConsumed]);
|
|
satoshisBeingUsed += spendableOutputs[inputsBeingConsumed].value;
|
|
inputsBeingConsumed += 1;
|
|
}
|
|
|
|
Logging.instance
|
|
.log("satoshisBeingUsed: $satoshisBeingUsed", level: LogLevel.Info);
|
|
Logging.instance
|
|
.log("inputsBeingConsumed: $inputsBeingConsumed", level: LogLevel.Info);
|
|
Logging.instance
|
|
.log('utxoObjectsToUse: $utxoObjectsToUse', level: LogLevel.Info);
|
|
|
|
// numberOfOutputs' length must always be equal to that of recipientsArray and recipientsAmtArray
|
|
List<String> recipientsArray = [_recipientAddress];
|
|
List<int> recipientsAmtArray = [satoshiAmountToSend];
|
|
|
|
// gather required signing data
|
|
final utxoSigningData = await fetchBuildTxData(utxoObjectsToUse);
|
|
|
|
if (isSendAll) {
|
|
Logging.instance
|
|
.log("Attempting to send all $coin", level: LogLevel.Info);
|
|
|
|
final int vSizeForOneOutput = (await buildTransaction(
|
|
utxosToUse: utxoObjectsToUse,
|
|
utxoSigningData: utxoSigningData,
|
|
recipients: [_recipientAddress],
|
|
satoshiAmounts: [satoshisBeingUsed - 1],
|
|
))["vSize"] as int;
|
|
int feeForOneOutput = estimateTxFee(
|
|
vSize: vSizeForOneOutput,
|
|
feeRatePerKB: selectedTxFeeRate,
|
|
);
|
|
|
|
if (feeForOneOutput < vSizeForOneOutput + 1) {
|
|
feeForOneOutput = vSizeForOneOutput + 1;
|
|
}
|
|
|
|
final int amount = satoshiAmountToSend - feeForOneOutput;
|
|
dynamic txn = await buildTransaction(
|
|
utxosToUse: utxoObjectsToUse,
|
|
utxoSigningData: utxoSigningData,
|
|
recipients: recipientsArray,
|
|
satoshiAmounts: [amount],
|
|
);
|
|
Map<String, dynamic> transactionObject = {
|
|
"hex": txn["hex"],
|
|
"recipient": recipientsArray[0],
|
|
"recipientAmt": amount,
|
|
"fee": feeForOneOutput,
|
|
"vSize": txn["vSize"],
|
|
};
|
|
return transactionObject;
|
|
}
|
|
|
|
final int vSizeForOneOutput = (await buildTransaction(
|
|
utxosToUse: utxoObjectsToUse,
|
|
utxoSigningData: utxoSigningData,
|
|
recipients: [_recipientAddress],
|
|
satoshiAmounts: [satoshisBeingUsed - 1],
|
|
))["vSize"] as int;
|
|
final int vSizeForTwoOutPuts = (await buildTransaction(
|
|
utxosToUse: utxoObjectsToUse,
|
|
utxoSigningData: utxoSigningData,
|
|
recipients: [
|
|
_recipientAddress,
|
|
await _getCurrentAddressForChain(1),
|
|
],
|
|
satoshiAmounts: [
|
|
satoshiAmountToSend,
|
|
satoshisBeingUsed - satoshiAmountToSend - 1,
|
|
], // dust limit is the minimum amount a change output should be
|
|
))["vSize"] as int;
|
|
debugPrint("vSizeForOneOutput $vSizeForOneOutput");
|
|
debugPrint("vSizeForTwoOutPuts $vSizeForTwoOutPuts");
|
|
|
|
// Assume 1 output, only for recipient and no change
|
|
var feeForOneOutput = estimateTxFee(
|
|
vSize: vSizeForOneOutput,
|
|
feeRatePerKB: selectedTxFeeRate,
|
|
);
|
|
// Assume 2 outputs, one for recipient and one for change
|
|
var feeForTwoOutputs = estimateTxFee(
|
|
vSize: vSizeForTwoOutPuts,
|
|
feeRatePerKB: selectedTxFeeRate,
|
|
);
|
|
|
|
Logging.instance
|
|
.log("feeForTwoOutputs: $feeForTwoOutputs", level: LogLevel.Info);
|
|
Logging.instance
|
|
.log("feeForOneOutput: $feeForOneOutput", level: LogLevel.Info);
|
|
if (feeForOneOutput < (vSizeForOneOutput + 1)) {
|
|
feeForOneOutput = (vSizeForOneOutput + 1);
|
|
}
|
|
if (feeForTwoOutputs < ((vSizeForTwoOutPuts + 1))) {
|
|
feeForTwoOutputs = ((vSizeForTwoOutPuts + 1));
|
|
}
|
|
|
|
Logging.instance
|
|
.log("feeForTwoOutputs: $feeForTwoOutputs", level: LogLevel.Info);
|
|
Logging.instance
|
|
.log("feeForOneOutput: $feeForOneOutput", level: LogLevel.Info);
|
|
|
|
if (satoshisBeingUsed - satoshiAmountToSend > feeForOneOutput) {
|
|
if (satoshisBeingUsed - satoshiAmountToSend >
|
|
feeForOneOutput + DUST_LIMIT) {
|
|
// Here, we know that theoretically, we may be able to include another output(change) but we first need to
|
|
// factor in the value of this output in satoshis.
|
|
int changeOutputSize =
|
|
satoshisBeingUsed - satoshiAmountToSend - feeForTwoOutputs;
|
|
// We check to see if the user can pay for the new transaction with 2 outputs instead of one. If they can and
|
|
// the second output's size > DUST_LIMIT satoshis, we perform the mechanics required to properly generate and use a new
|
|
// change address.
|
|
if (changeOutputSize > DUST_LIMIT &&
|
|
satoshisBeingUsed - satoshiAmountToSend - changeOutputSize ==
|
|
feeForTwoOutputs) {
|
|
// generate new change address if current change address has been used
|
|
await checkChangeAddressForTransactions();
|
|
final String newChangeAddress = await _getCurrentAddressForChain(1);
|
|
|
|
int feeBeingPaid =
|
|
satoshisBeingUsed - satoshiAmountToSend - changeOutputSize;
|
|
|
|
recipientsArray.add(newChangeAddress);
|
|
recipientsAmtArray.add(changeOutputSize);
|
|
// At this point, we have the outputs we're going to use, the amounts to send along with which addresses
|
|
// we intend to send these amounts to. We have enough to send instructions to build the transaction.
|
|
Logging.instance.log('2 outputs in tx', level: LogLevel.Info);
|
|
Logging.instance
|
|
.log('Input size: $satoshisBeingUsed', level: LogLevel.Info);
|
|
Logging.instance.log('Recipient output size: $satoshiAmountToSend',
|
|
level: LogLevel.Info);
|
|
Logging.instance.log('Change Output Size: $changeOutputSize',
|
|
level: LogLevel.Info);
|
|
Logging.instance.log(
|
|
'Difference (fee being paid): $feeBeingPaid sats',
|
|
level: LogLevel.Info);
|
|
Logging.instance
|
|
.log('Estimated fee: $feeForTwoOutputs', level: LogLevel.Info);
|
|
dynamic txn = await buildTransaction(
|
|
utxosToUse: utxoObjectsToUse,
|
|
utxoSigningData: utxoSigningData,
|
|
recipients: recipientsArray,
|
|
satoshiAmounts: recipientsAmtArray,
|
|
);
|
|
|
|
// make sure minimum fee is accurate if that is being used
|
|
if (txn["vSize"] - feeBeingPaid == 1) {
|
|
int changeOutputSize =
|
|
satoshisBeingUsed - satoshiAmountToSend - (txn["vSize"] as int);
|
|
feeBeingPaid =
|
|
satoshisBeingUsed - satoshiAmountToSend - changeOutputSize;
|
|
recipientsAmtArray.removeLast();
|
|
recipientsAmtArray.add(changeOutputSize);
|
|
Logging.instance.log('Adjusted Input size: $satoshisBeingUsed',
|
|
level: LogLevel.Info);
|
|
Logging.instance.log(
|
|
'Adjusted Recipient output size: $satoshiAmountToSend',
|
|
level: LogLevel.Info);
|
|
Logging.instance.log(
|
|
'Adjusted Change Output Size: $changeOutputSize',
|
|
level: LogLevel.Info);
|
|
Logging.instance.log(
|
|
'Adjusted Difference (fee being paid): $feeBeingPaid sats',
|
|
level: LogLevel.Info);
|
|
Logging.instance.log('Adjusted Estimated fee: $feeForTwoOutputs',
|
|
level: LogLevel.Info);
|
|
txn = await buildTransaction(
|
|
utxosToUse: utxoObjectsToUse,
|
|
utxoSigningData: utxoSigningData,
|
|
recipients: recipientsArray,
|
|
satoshiAmounts: recipientsAmtArray,
|
|
);
|
|
}
|
|
|
|
Map<String, dynamic> transactionObject = {
|
|
"hex": txn["hex"],
|
|
"recipient": recipientsArray[0],
|
|
"recipientAmt": recipientsAmtArray[0],
|
|
"fee": feeBeingPaid,
|
|
"vSize": txn["vSize"],
|
|
};
|
|
return transactionObject;
|
|
} else {
|
|
// Something went wrong here. It either overshot or undershot the estimated fee amount or the changeOutputSize
|
|
// is smaller than or equal to [DUST_LIMIT]. Revert to single output transaction.
|
|
Logging.instance.log('1 output in tx', level: LogLevel.Info);
|
|
Logging.instance
|
|
.log('Input size: $satoshisBeingUsed', level: LogLevel.Info);
|
|
Logging.instance.log('Recipient output size: $satoshiAmountToSend',
|
|
level: LogLevel.Info);
|
|
Logging.instance.log(
|
|
'Difference (fee being paid): ${satoshisBeingUsed - satoshiAmountToSend} sats',
|
|
level: LogLevel.Info);
|
|
Logging.instance
|
|
.log('Estimated fee: $feeForOneOutput', level: LogLevel.Info);
|
|
dynamic txn = await buildTransaction(
|
|
utxosToUse: utxoObjectsToUse,
|
|
utxoSigningData: utxoSigningData,
|
|
recipients: recipientsArray,
|
|
satoshiAmounts: recipientsAmtArray,
|
|
);
|
|
Map<String, dynamic> transactionObject = {
|
|
"hex": txn["hex"],
|
|
"recipient": recipientsArray[0],
|
|
"recipientAmt": recipientsAmtArray[0],
|
|
"fee": satoshisBeingUsed - satoshiAmountToSend,
|
|
"vSize": txn["vSize"],
|
|
};
|
|
return transactionObject;
|
|
}
|
|
} else {
|
|
// No additional outputs needed since adding one would mean that it'd be smaller than 546 sats
|
|
// which makes it uneconomical to add to the transaction. Here, we pass data directly to instruct
|
|
// the wallet to begin crafting the transaction that the user requested.
|
|
Logging.instance.log('1 output in tx', level: LogLevel.Info);
|
|
Logging.instance
|
|
.log('Input size: $satoshisBeingUsed', level: LogLevel.Info);
|
|
Logging.instance.log('Recipient output size: $satoshiAmountToSend',
|
|
level: LogLevel.Info);
|
|
Logging.instance.log(
|
|
'Difference (fee being paid): ${satoshisBeingUsed - satoshiAmountToSend} sats',
|
|
level: LogLevel.Info);
|
|
Logging.instance
|
|
.log('Estimated fee: $feeForOneOutput', level: LogLevel.Info);
|
|
dynamic txn = await buildTransaction(
|
|
utxosToUse: utxoObjectsToUse,
|
|
utxoSigningData: utxoSigningData,
|
|
recipients: recipientsArray,
|
|
satoshiAmounts: recipientsAmtArray,
|
|
);
|
|
Map<String, dynamic> transactionObject = {
|
|
"hex": txn["hex"],
|
|
"recipient": recipientsArray[0],
|
|
"recipientAmt": recipientsAmtArray[0],
|
|
"fee": satoshisBeingUsed - satoshiAmountToSend,
|
|
"vSize": txn["vSize"],
|
|
};
|
|
return transactionObject;
|
|
}
|
|
} else if (satoshisBeingUsed - satoshiAmountToSend == feeForOneOutput) {
|
|
// In this scenario, no additional change output is needed since inputs - outputs equal exactly
|
|
// what we need to pay for fees. Here, we pass data directly to instruct the wallet to begin
|
|
// crafting the transaction that the user requested.
|
|
Logging.instance.log('1 output in tx', level: LogLevel.Info);
|
|
Logging.instance
|
|
.log('Input size: $satoshisBeingUsed', level: LogLevel.Info);
|
|
Logging.instance.log('Recipient output size: $satoshiAmountToSend',
|
|
level: LogLevel.Info);
|
|
Logging.instance.log(
|
|
'Fee being paid: ${satoshisBeingUsed - satoshiAmountToSend} sats',
|
|
level: LogLevel.Info);
|
|
Logging.instance
|
|
.log('Estimated fee: $feeForOneOutput', level: LogLevel.Info);
|
|
dynamic txn = await buildTransaction(
|
|
utxosToUse: utxoObjectsToUse,
|
|
utxoSigningData: utxoSigningData,
|
|
recipients: recipientsArray,
|
|
satoshiAmounts: recipientsAmtArray,
|
|
);
|
|
Map<String, dynamic> transactionObject = {
|
|
"hex": txn["hex"],
|
|
"recipient": recipientsArray[0],
|
|
"recipientAmt": recipientsAmtArray[0],
|
|
"fee": feeForOneOutput,
|
|
"vSize": txn["vSize"],
|
|
};
|
|
return transactionObject;
|
|
} else {
|
|
// Remember that returning 2 indicates that the user does not have a sufficient balance to
|
|
// pay for the transaction fee. Ideally, at this stage, we should check if the user has any
|
|
// additional outputs they're able to spend and then recalculate fees.
|
|
Logging.instance.log(
|
|
'Cannot pay tx fee - checking for more outputs and trying again',
|
|
level: LogLevel.Warning);
|
|
// try adding more outputs
|
|
if (spendableOutputs.length > inputsBeingConsumed) {
|
|
return coinSelection(satoshiAmountToSend, selectedTxFeeRate,
|
|
_recipientAddress, isSendAll,
|
|
additionalOutputs: additionalOutputs + 1, utxos: utxos);
|
|
}
|
|
return 2;
|
|
}
|
|
}
|
|
|
|
Future<Map<String, dynamic>> fetchBuildTxData(
|
|
List<UtxoObject> utxosToUse,
|
|
) async {
|
|
// return data
|
|
Map<String, dynamic> results = {};
|
|
Map<String, List<String>> addressTxid = {};
|
|
|
|
// addresses to check
|
|
List<String> addresses = [];
|
|
|
|
try {
|
|
// Populating the addresses to check
|
|
for (var i = 0; i < utxosToUse.length; i++) {
|
|
final txid = utxosToUse[i].txid;
|
|
final tx = await _cachedElectrumXClient.getTransaction(
|
|
txHash: txid,
|
|
coin: coin,
|
|
);
|
|
|
|
for (final output in tx["vout"] as List) {
|
|
final n = output["n"];
|
|
if (n != null && n == utxosToUse[i].vout) {
|
|
final address = output["scriptPubKey"]["addresses"][0] as String;
|
|
|
|
if (!addressTxid.containsKey(address)) {
|
|
addressTxid[address] = <String>[];
|
|
}
|
|
(addressTxid[address] as List).add(txid);
|
|
|
|
addresses.add(address);
|
|
}
|
|
}
|
|
}
|
|
|
|
// p2pkh / bip44
|
|
final addressesLength = addresses.length;
|
|
if (addressesLength > 0) {
|
|
final receiveDerivationsString =
|
|
await _secureStore.read(key: "${walletId}_receiveDerivations");
|
|
final receiveDerivations = Map<String, dynamic>.from(
|
|
jsonDecode(receiveDerivationsString ?? "{}") as Map);
|
|
|
|
final changeDerivationsString =
|
|
await _secureStore.read(key: "${walletId}_changeDerivations");
|
|
final changeDerivations = Map<String, dynamic>.from(
|
|
jsonDecode(changeDerivationsString ?? "{}") as Map);
|
|
|
|
for (int i = 0; i < addressesLength; i++) {
|
|
// receives
|
|
|
|
dynamic receiveDerivation;
|
|
|
|
for (int j = 0; j < receiveDerivations.length; j++) {
|
|
if (receiveDerivations["$j"]["address"] == addresses[i]) {
|
|
receiveDerivation = receiveDerivations["$j"];
|
|
}
|
|
}
|
|
|
|
// receiveDerivation = receiveDerivations[addresses[i]];
|
|
// if a match exists it will not be null
|
|
if (receiveDerivation != null) {
|
|
final data = P2PKH(
|
|
data: PaymentData(
|
|
pubkey: Format.stringToUint8List(
|
|
receiveDerivation["publicKey"] as String)),
|
|
network: _network,
|
|
).data;
|
|
|
|
for (String tx in addressTxid[addresses[i]]!) {
|
|
results[tx] = {
|
|
"output": data.output,
|
|
"keyPair": ECPair.fromWIF(
|
|
receiveDerivation["wif"] as String,
|
|
network: _network,
|
|
),
|
|
};
|
|
}
|
|
} else {
|
|
// if its not a receive, check change
|
|
|
|
dynamic changeDerivation;
|
|
|
|
for (int j = 0; j < changeDerivations.length; j++) {
|
|
if (changeDerivations["$j"]["address"] == addresses[i]) {
|
|
changeDerivation = changeDerivations["$j"];
|
|
}
|
|
}
|
|
|
|
// final changeDerivation = changeDerivations[addresses[i]];
|
|
// if a match exists it will not be null
|
|
if (changeDerivation != null) {
|
|
final data = P2PKH(
|
|
data: PaymentData(
|
|
pubkey: Format.stringToUint8List(
|
|
changeDerivation["publicKey"] as String)),
|
|
network: _network,
|
|
).data;
|
|
|
|
for (String tx in addressTxid[addresses[i]]!) {
|
|
results[tx] = {
|
|
"output": data.output,
|
|
"keyPair": ECPair.fromWIF(
|
|
changeDerivation["wif"] as String,
|
|
network: _network,
|
|
),
|
|
};
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return results;
|
|
} catch (e, s) {
|
|
Logging.instance
|
|
.log("fetchBuildTxData() threw: $e,\n$s", level: LogLevel.Error);
|
|
rethrow;
|
|
}
|
|
}
|
|
|
|
/// Builds and signs a transaction
|
|
Future<Map<String, dynamic>> buildTransaction({
|
|
required List<UtxoObject> utxosToUse,
|
|
required Map<String, dynamic> utxoSigningData,
|
|
required List<String> recipients,
|
|
required List<int> satoshiAmounts,
|
|
}) async {
|
|
Logging.instance
|
|
.log("Starting buildTransaction ----------", level: LogLevel.Info);
|
|
|
|
final txb = TransactionBuilder(network: _network);
|
|
txb.setVersion(1);
|
|
|
|
// Add transaction inputs
|
|
for (var i = 0; i < utxosToUse.length; i++) {
|
|
final txid = utxosToUse[i].txid;
|
|
txb.addInput(txid, utxosToUse[i].vout, null,
|
|
utxoSigningData[txid]["output"] as Uint8List);
|
|
}
|
|
|
|
// Add transaction output
|
|
for (var i = 0; i < recipients.length; i++) {
|
|
txb.addOutput(recipients[i], satoshiAmounts[i]);
|
|
}
|
|
|
|
try {
|
|
// Sign the transaction accordingly
|
|
for (var i = 0; i < utxosToUse.length; i++) {
|
|
final txid = utxosToUse[i].txid;
|
|
txb.sign(
|
|
vin: i,
|
|
keyPair: utxoSigningData[txid]["keyPair"] as ECPair,
|
|
witnessValue: utxosToUse[i].value,
|
|
redeemScript: utxoSigningData[txid]["redeemScript"] as Uint8List?,
|
|
);
|
|
}
|
|
} catch (e, s) {
|
|
Logging.instance.log("Caught exception while signing transaction: $e\n$s",
|
|
level: LogLevel.Error);
|
|
rethrow;
|
|
}
|
|
|
|
final builtTx = txb.build();
|
|
final vSize = builtTx.virtualSize();
|
|
|
|
return {"hex": builtTx.toHex(), "vSize": vSize};
|
|
}
|
|
|
|
@override
|
|
Future<void> updateNode(bool shouldRefresh) async {
|
|
final failovers = NodeService(secureStorageInterface: _secureStore)
|
|
.failoverNodesFor(coin: coin)
|
|
.map(
|
|
(e) => ElectrumXNode(
|
|
address: e.host,
|
|
port: e.port,
|
|
name: e.name,
|
|
id: e.id,
|
|
useSSL: e.useSSL,
|
|
),
|
|
)
|
|
.toList();
|
|
final newNode = await _getCurrentNode();
|
|
_cachedElectrumXClient = CachedElectrumX.from(
|
|
node: newNode,
|
|
prefs: _prefs,
|
|
failovers: failovers,
|
|
);
|
|
_electrumXClient = ElectrumX.from(
|
|
node: newNode,
|
|
prefs: _prefs,
|
|
failovers: failovers,
|
|
);
|
|
|
|
if (shouldRefresh) {
|
|
unawaited(refresh());
|
|
}
|
|
}
|
|
|
|
@override
|
|
Future<void> initializeNew() async {
|
|
Logging.instance
|
|
.log("Generating new ${coin.prettyName} wallet.", level: LogLevel.Info);
|
|
|
|
if (DB.instance.get<dynamic>(boxName: walletId, key: "id") != null) {
|
|
throw Exception(
|
|
"Attempted to initialize a new wallet using an existing wallet ID!");
|
|
}
|
|
|
|
await _prefs.init();
|
|
try {
|
|
await _generateNewWallet();
|
|
} catch (e, s) {
|
|
Logging.instance.log("Exception rethrown from initializeNew(): $e\n$s",
|
|
level: LogLevel.Fatal);
|
|
rethrow;
|
|
}
|
|
|
|
await Future.wait([
|
|
DB.instance.put<dynamic>(boxName: walletId, key: "id", value: _walletId),
|
|
_getLelantusTransactionData().then((lelantusTxData) =>
|
|
_lelantusTransactionData = Future(() => lelantusTxData)),
|
|
DB.instance
|
|
.put<dynamic>(boxName: walletId, key: "isFavorite", value: false),
|
|
]);
|
|
}
|
|
|
|
@override
|
|
Future<void> initializeExisting() async {
|
|
Logging.instance.log(
|
|
"Opening existing $_walletId ${coin.prettyName} wallet.",
|
|
level: LogLevel.Info);
|
|
|
|
if ((DB.instance.get<dynamic>(boxName: walletId, key: "id") as String?) ==
|
|
null) {
|
|
throw Exception(
|
|
"Attempted to initialize an existing wallet using an unknown wallet ID!");
|
|
}
|
|
await _prefs.init();
|
|
final data =
|
|
DB.instance.get<dynamic>(boxName: walletId, key: "latest_tx_model")
|
|
as models.TransactionData?;
|
|
if (data != null) {
|
|
_transactionData = Future(() => data);
|
|
}
|
|
}
|
|
|
|
Future<bool> refreshIfThereIsNewData() async {
|
|
if (longMutex) return false;
|
|
if (_hasCalledExit) return false;
|
|
Logging.instance
|
|
.log("$walletName refreshIfThereIsNewData", level: LogLevel.Info);
|
|
|
|
try {
|
|
bool needsRefresh = false;
|
|
Set<String> txnsToCheck = {};
|
|
|
|
for (final String txid in txTracker.pendings) {
|
|
if (!txTracker.wasNotifiedConfirmed(txid)) {
|
|
txnsToCheck.add(txid);
|
|
}
|
|
}
|
|
|
|
for (String txid in txnsToCheck) {
|
|
final txn = await electrumXClient.getTransaction(txHash: txid);
|
|
int confirmations = txn["confirmations"] as int? ?? 0;
|
|
bool isUnconfirmed = confirmations < MINIMUM_CONFIRMATIONS;
|
|
if (!isUnconfirmed) {
|
|
needsRefresh = true;
|
|
break;
|
|
}
|
|
}
|
|
if (!needsRefresh) {
|
|
var allOwnAddresses = await this.allOwnAddresses;
|
|
List<Map<String, dynamic>> allTxs =
|
|
await _fetchHistory(allOwnAddresses);
|
|
models.TransactionData txData = await _txnData;
|
|
for (Map<String, dynamic> transaction in allTxs) {
|
|
if (txData.findTransaction(transaction['tx_hash'] as String) ==
|
|
null) {
|
|
Logging.instance.log(
|
|
" txid not found in address history already ${transaction['tx_hash']}",
|
|
level: LogLevel.Info);
|
|
needsRefresh = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return needsRefresh;
|
|
} catch (e, s) {
|
|
Logging.instance.log(
|
|
"Exception caught in refreshIfThereIsNewData: $e\n$s",
|
|
level: LogLevel.Error);
|
|
rethrow;
|
|
}
|
|
}
|
|
|
|
Future<void> getAllTxsToWatch(
|
|
models.TransactionData txData,
|
|
models.TransactionData lTxData,
|
|
) async {
|
|
if (_hasCalledExit) return;
|
|
Logging.instance.log("$walletName periodic", level: LogLevel.Info);
|
|
List<models.Transaction> unconfirmedTxnsToNotifyPending = [];
|
|
List<models.Transaction> unconfirmedTxnsToNotifyConfirmed = [];
|
|
|
|
for (models.TransactionChunk chunk in txData.txChunks) {
|
|
for (models.Transaction tx in chunk.transactions) {
|
|
models.Transaction? lTx = lTxData.findTransaction(tx.txid);
|
|
|
|
if (tx.confirmedStatus) {
|
|
if (txTracker.wasNotifiedPending(tx.txid) &&
|
|
!txTracker.wasNotifiedConfirmed(tx.txid)) {
|
|
// get all transactions that were notified as pending but not as confirmed
|
|
unconfirmedTxnsToNotifyConfirmed.add(tx);
|
|
}
|
|
if (lTx != null &&
|
|
(lTx.inputs.isEmpty || lTx.inputs[0].txid.isEmpty) &&
|
|
lTx.confirmedStatus == false &&
|
|
tx.txType == "Received") {
|
|
// If this is a received that is past 1 or more confirmations and has not been minted,
|
|
if (!txTracker.wasNotifiedPending(tx.txid)) {
|
|
unconfirmedTxnsToNotifyPending.add(tx);
|
|
}
|
|
}
|
|
} else {
|
|
if (!txTracker.wasNotifiedPending(tx.txid)) {
|
|
// get all transactions that were not notified as pending yet
|
|
unconfirmedTxnsToNotifyPending.add(tx);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
for (models.TransactionChunk chunk in txData.txChunks) {
|
|
for (models.Transaction tx in chunk.transactions) {
|
|
if (!tx.confirmedStatus && tx.inputs[0].txid.isNotEmpty) {
|
|
// Get all normal txs that are at 0 confirmations
|
|
unconfirmedTxnsToNotifyPending
|
|
.removeWhere((e) => e.txid == tx.inputs[0].txid);
|
|
Logging.instance.log("removed tx: ${tx.txid}", level: LogLevel.Info);
|
|
}
|
|
}
|
|
}
|
|
for (models.TransactionChunk chunk in lTxData.txChunks) {
|
|
for (models.Transaction lTX in chunk.transactions) {
|
|
models.Transaction? tx = txData.findTransaction(lTX.txid);
|
|
if (tx == null) {
|
|
// if this is a ltx transaction that is unconfirmed and not represented in the normal transaction set.
|
|
if (!lTX.confirmedStatus) {
|
|
if (!txTracker.wasNotifiedPending(lTX.txid)) {
|
|
unconfirmedTxnsToNotifyPending.add(lTX);
|
|
}
|
|
} else {
|
|
if (txTracker.wasNotifiedPending(lTX.txid) &&
|
|
!txTracker.wasNotifiedConfirmed(lTX.txid)) {
|
|
unconfirmedTxnsToNotifyConfirmed.add(lTX);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
Logging.instance.log(
|
|
"unconfirmedTxnsToNotifyPending $unconfirmedTxnsToNotifyPending",
|
|
level: LogLevel.Info);
|
|
Logging.instance.log(
|
|
"unconfirmedTxnsToNotifyConfirmed $unconfirmedTxnsToNotifyConfirmed",
|
|
level: LogLevel.Info);
|
|
|
|
for (final tx in unconfirmedTxnsToNotifyPending) {
|
|
switch (tx.txType) {
|
|
case "Received":
|
|
unawaited(
|
|
NotificationApi.showNotification(
|
|
title: "Incoming transaction",
|
|
body: walletName,
|
|
walletId: walletId,
|
|
iconAssetName: Assets.svg.iconFor(coin: coin),
|
|
date: DateTime.fromMillisecondsSinceEpoch(tx.timestamp * 1000),
|
|
shouldWatchForUpdates: tx.confirmations < MINIMUM_CONFIRMATIONS,
|
|
coinName: coin.name,
|
|
txid: tx.txid,
|
|
confirmations: tx.confirmations,
|
|
requiredConfirmations: MINIMUM_CONFIRMATIONS,
|
|
),
|
|
);
|
|
await txTracker.addNotifiedPending(tx.txid);
|
|
break;
|
|
case "Sent":
|
|
unawaited(
|
|
NotificationApi.showNotification(
|
|
title:
|
|
tx.subType == "mint" ? "Anonymizing" : "Outgoing transaction",
|
|
body: walletName,
|
|
walletId: walletId,
|
|
iconAssetName: Assets.svg.iconFor(coin: coin),
|
|
date: DateTime.fromMillisecondsSinceEpoch(tx.timestamp * 1000),
|
|
shouldWatchForUpdates: tx.confirmations < MINIMUM_CONFIRMATIONS,
|
|
coinName: coin.name,
|
|
txid: tx.txid,
|
|
confirmations: tx.confirmations,
|
|
requiredConfirmations: MINIMUM_CONFIRMATIONS,
|
|
),
|
|
);
|
|
await txTracker.addNotifiedPending(tx.txid);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
for (final tx in unconfirmedTxnsToNotifyConfirmed) {
|
|
if (tx.txType == "Received") {
|
|
unawaited(
|
|
NotificationApi.showNotification(
|
|
title: "Incoming transaction confirmed",
|
|
body: walletName,
|
|
walletId: walletId,
|
|
iconAssetName: Assets.svg.iconFor(coin: coin),
|
|
date: DateTime.fromMillisecondsSinceEpoch(tx.timestamp * 1000),
|
|
shouldWatchForUpdates: false,
|
|
coinName: coin.name,
|
|
),
|
|
);
|
|
await txTracker.addNotifiedConfirmed(tx.txid);
|
|
} else if (tx.txType == "Sent" && tx.subType == "join") {
|
|
unawaited(
|
|
NotificationApi.showNotification(
|
|
title: tx.subType == "mint"
|
|
? "Anonymized"
|
|
: "Outgoing transaction confirmed",
|
|
body: walletName,
|
|
walletId: walletId,
|
|
iconAssetName: Assets.svg.iconFor(coin: coin),
|
|
date: DateTime.fromMillisecondsSinceEpoch(tx.timestamp * 1000),
|
|
shouldWatchForUpdates: false,
|
|
coinName: coin.name,
|
|
),
|
|
);
|
|
await txTracker.addNotifiedConfirmed(tx.txid);
|
|
}
|
|
}
|
|
}
|
|
|
|
/// Generates initial wallet values such as mnemonic, chain (receive/change) arrays and indexes.
|
|
Future<void> _generateNewWallet() async {
|
|
Logging.instance
|
|
.log("IS_INTEGRATION_TEST: $integrationTestFlag", level: LogLevel.Info);
|
|
if (!integrationTestFlag) {
|
|
final features = await electrumXClient.getServerFeatures();
|
|
Logging.instance.log("features: $features", level: LogLevel.Info);
|
|
switch (coin) {
|
|
case Coin.firo:
|
|
if (features['genesis_hash'] != GENESIS_HASH_MAINNET) {
|
|
throw Exception("genesis hash does not match main net!");
|
|
}
|
|
break;
|
|
case Coin.firoTestNet:
|
|
if (features['genesis_hash'] != GENESIS_HASH_TESTNET) {
|
|
throw Exception("genesis hash does not match test net!");
|
|
}
|
|
break;
|
|
default:
|
|
throw Exception(
|
|
"Attempted to generate a FiroWallet using a non firo coin type: ${coin.name}");
|
|
}
|
|
// if (_networkType == BasicNetworkType.main) {
|
|
// if (features['genesis_hash'] != GENESIS_HASH_MAINNET) {
|
|
// throw Exception("genesis hash does not match!");
|
|
// }
|
|
// } else if (_networkType == BasicNetworkType.test) {
|
|
// if (features['genesis_hash'] != GENESIS_HASH_TESTNET) {
|
|
// throw Exception("genesis hash does not match!");
|
|
// }
|
|
// }
|
|
}
|
|
|
|
// this should never fail as overwriting a mnemonic is big bad
|
|
assert((await _secureStore.read(key: '${_walletId}_mnemonic')) == null);
|
|
await _secureStore.write(
|
|
key: '${_walletId}_mnemonic',
|
|
value: bip39.generateMnemonic(strength: 256));
|
|
|
|
// Set relevant indexes
|
|
await DB.instance
|
|
.put<dynamic>(boxName: walletId, key: 'receivingIndex', value: 0);
|
|
await DB.instance
|
|
.put<dynamic>(boxName: walletId, key: 'changeIndex', value: 0);
|
|
await DB.instance
|
|
.put<dynamic>(boxName: walletId, key: 'mintIndex', value: 0);
|
|
await DB.instance.put<dynamic>(
|
|
boxName: walletId,
|
|
key: 'blocked_tx_hashes',
|
|
value: [
|
|
"0xdefault"
|
|
]); // A list of transaction hashes to represent frozen utxos in wallet
|
|
// initialize address book entries
|
|
await DB.instance.put<dynamic>(
|
|
boxName: walletId,
|
|
key: 'addressBookEntries',
|
|
value: <String, String>{});
|
|
|
|
await DB.instance
|
|
.put<dynamic>(boxName: walletId, key: 'jindex', value: <dynamic>[]);
|
|
// Generate and add addresses to relevant arrays
|
|
final initialReceivingAddress = await _generateAddressForChain(0, 0);
|
|
final initialChangeAddress = await _generateAddressForChain(1, 0);
|
|
await addToAddressesArrayForChain(initialReceivingAddress, 0);
|
|
await addToAddressesArrayForChain(initialChangeAddress, 1);
|
|
_currentReceivingAddress = Future(() => initialReceivingAddress);
|
|
}
|
|
|
|
bool refreshMutex = false;
|
|
@override
|
|
bool get isRefreshing => refreshMutex;
|
|
|
|
/// Refreshes display data for the wallet
|
|
@override
|
|
Future<void> refresh() async {
|
|
if (refreshMutex) {
|
|
Logging.instance.log("$walletId $walletName refreshMutex denied",
|
|
level: LogLevel.Info);
|
|
return;
|
|
} else {
|
|
refreshMutex = true;
|
|
}
|
|
Logging.instance
|
|
.log("PROCESSORS ${Platform.numberOfProcessors}", level: LogLevel.Info);
|
|
try {
|
|
GlobalEventBus.instance.fire(
|
|
WalletSyncStatusChangedEvent(
|
|
WalletSyncStatus.syncing,
|
|
walletId,
|
|
coin,
|
|
),
|
|
);
|
|
|
|
GlobalEventBus.instance.fire(RefreshPercentChangedEvent(0.0, walletId));
|
|
|
|
final receiveDerivationsString =
|
|
await _secureStore.read(key: "${walletId}_receiveDerivations");
|
|
if (receiveDerivationsString == null ||
|
|
receiveDerivationsString == "{}") {
|
|
GlobalEventBus.instance
|
|
.fire(RefreshPercentChangedEvent(0.05, walletId));
|
|
final mnemonic = await _secureStore.read(key: '${_walletId}_mnemonic');
|
|
await fillAddresses(mnemonic!,
|
|
numberOfThreads: Platform.numberOfProcessors - isolates.length - 1);
|
|
}
|
|
|
|
await checkReceivingAddressForTransactions();
|
|
GlobalEventBus.instance.fire(RefreshPercentChangedEvent(0.1, walletId));
|
|
|
|
final newUtxoData = _fetchUtxoData();
|
|
GlobalEventBus.instance.fire(RefreshPercentChangedEvent(0.2, walletId));
|
|
|
|
GlobalEventBus.instance.fire(RefreshPercentChangedEvent(0.25, walletId));
|
|
|
|
final newTxData = _fetchTransactionData();
|
|
GlobalEventBus.instance.fire(RefreshPercentChangedEvent(0.35, walletId));
|
|
|
|
final feeObj = _getFees();
|
|
GlobalEventBus.instance.fire(RefreshPercentChangedEvent(0.50, walletId));
|
|
|
|
_utxoData = Future(() => newUtxoData);
|
|
_transactionData = Future(() => newTxData);
|
|
_feeObject = Future(() => feeObj);
|
|
GlobalEventBus.instance.fire(RefreshPercentChangedEvent(0.60, walletId));
|
|
|
|
final lelantusCoins = getLelantusCoinMap();
|
|
Logging.instance.log("_lelantus_coins at refresh: $lelantusCoins",
|
|
level: LogLevel.Warning, printFullLength: true);
|
|
GlobalEventBus.instance.fire(RefreshPercentChangedEvent(0.70, walletId));
|
|
|
|
await _refreshLelantusData();
|
|
GlobalEventBus.instance.fire(RefreshPercentChangedEvent(0.80, walletId));
|
|
|
|
// await autoMint();
|
|
GlobalEventBus.instance.fire(RefreshPercentChangedEvent(0.90, walletId));
|
|
|
|
var balance = await _getFullBalance();
|
|
_balances = Future(() => balance);
|
|
|
|
GlobalEventBus.instance.fire(RefreshPercentChangedEvent(0.95, walletId));
|
|
|
|
var txData = (await _txnData);
|
|
var lTxData = (await lelantusTransactionData);
|
|
await getAllTxsToWatch(txData, lTxData);
|
|
|
|
GlobalEventBus.instance.fire(RefreshPercentChangedEvent(1.0, walletId));
|
|
|
|
GlobalEventBus.instance.fire(
|
|
WalletSyncStatusChangedEvent(
|
|
WalletSyncStatus.synced,
|
|
walletId,
|
|
coin,
|
|
),
|
|
);
|
|
refreshMutex = false;
|
|
|
|
if (isActive || shouldAutoSync) {
|
|
timer ??= Timer.periodic(const Duration(seconds: 30), (timer) async {
|
|
bool shouldNotify = await refreshIfThereIsNewData();
|
|
if (shouldNotify) {
|
|
await refresh();
|
|
GlobalEventBus.instance.fire(UpdatedInBackgroundEvent(
|
|
"New data found in $walletId $walletName in background!",
|
|
walletId));
|
|
}
|
|
});
|
|
}
|
|
} catch (error, strace) {
|
|
refreshMutex = false;
|
|
GlobalEventBus.instance.fire(
|
|
NodeConnectionStatusChangedEvent(
|
|
NodeConnectionStatus.disconnected,
|
|
walletId,
|
|
coin,
|
|
),
|
|
);
|
|
GlobalEventBus.instance.fire(
|
|
WalletSyncStatusChangedEvent(
|
|
WalletSyncStatus.unableToSync,
|
|
walletId,
|
|
coin,
|
|
),
|
|
);
|
|
Logging.instance.log(
|
|
"Caught exception in refreshWalletData(): $error\n$strace",
|
|
level: LogLevel.Warning);
|
|
}
|
|
}
|
|
|
|
Future<int> _fetchMaxFee() async {
|
|
final balance = await availableBalance;
|
|
int spendAmount =
|
|
(balance * Decimal.fromInt(Constants.satsPerCoin)).toBigInt().toInt();
|
|
int fee = await estimateJoinSplitFee(spendAmount);
|
|
return fee;
|
|
}
|
|
|
|
Future<List<DartLelantusEntry>> _getLelantusEntry() async {
|
|
final mnemonic = await _secureStore.read(key: '${_walletId}_mnemonic');
|
|
final List<LelantusCoin> lelantusCoins = await _getUnspentCoins();
|
|
final root = await compute(
|
|
getBip32RootWrapper,
|
|
Tuple2(
|
|
mnemonic!,
|
|
_network,
|
|
),
|
|
);
|
|
final waitLelantusEntries = lelantusCoins.map((coin) async {
|
|
final keyPair = await compute(
|
|
getBip32NodeFromRootWrapper,
|
|
Tuple3(
|
|
MINT_INDEX,
|
|
coin.index,
|
|
root,
|
|
),
|
|
);
|
|
if (keyPair.privateKey == null) {
|
|
Logging.instance.log("error bad key", level: LogLevel.Error);
|
|
return DartLelantusEntry(1, 0, 0, 0, 0, '');
|
|
}
|
|
final String privateKey = Format.uint8listToString(keyPair.privateKey!);
|
|
return DartLelantusEntry(coin.isUsed ? 1 : 0, 0, coin.anonymitySetId,
|
|
coin.value, coin.index, privateKey);
|
|
}).toList();
|
|
|
|
final lelantusEntries = await Future.wait(waitLelantusEntries);
|
|
|
|
if (lelantusEntries.isNotEmpty) {
|
|
lelantusEntries.removeWhere((element) => element.amount == 0);
|
|
}
|
|
|
|
return lelantusEntries;
|
|
}
|
|
|
|
List<Map<dynamic, LelantusCoin>> getLelantusCoinMap() {
|
|
final _l = DB.instance
|
|
.get<dynamic>(boxName: walletId, key: '_lelantus_coins') as List?;
|
|
final List<Map<dynamic, LelantusCoin>> lelantusCoins = [];
|
|
for (var el in _l ?? []) {
|
|
lelantusCoins.add({el.keys.first: el.values.first as LelantusCoin});
|
|
}
|
|
return lelantusCoins;
|
|
}
|
|
|
|
Future<List<LelantusCoin>> _getUnspentCoins() async {
|
|
final List<Map<dynamic, LelantusCoin>> lelantusCoins = getLelantusCoinMap();
|
|
if (lelantusCoins.isNotEmpty) {
|
|
lelantusCoins.removeWhere((element) =>
|
|
element.values.any((elementCoin) => elementCoin.value == 0));
|
|
}
|
|
final jindexes =
|
|
DB.instance.get<dynamic>(boxName: walletId, key: 'jindex') as List?;
|
|
final data = await _txnData;
|
|
final lelantusData = await lelantusTransactionData;
|
|
List<LelantusCoin> coins = [];
|
|
|
|
List<LelantusCoin> lelantusCoinsList =
|
|
lelantusCoins.fold(<LelantusCoin>[], (previousValue, element) {
|
|
previousValue.add(element.values.first);
|
|
return previousValue;
|
|
});
|
|
for (int i = 0; i < lelantusCoinsList.length; i++) {
|
|
// Logging.instance.log("lelantusCoinsList[$i]: ${lelantusCoinsList[i]}");
|
|
final txn = await cachedElectrumXClient.getTransaction(
|
|
txHash: lelantusCoinsList[i].txId,
|
|
verbose: true,
|
|
coin: coin,
|
|
);
|
|
final confirmations = txn["confirmations"];
|
|
bool isUnconfirmed = confirmations is int && confirmations < 1;
|
|
if (!jindexes!.contains(lelantusCoinsList[i].index) &&
|
|
data.findTransaction(lelantusCoinsList[i].txId) == null) {
|
|
isUnconfirmed = true;
|
|
}
|
|
if ((data.findTransaction(lelantusCoinsList[i].txId) != null &&
|
|
!data
|
|
.findTransaction(lelantusCoinsList[i].txId)!
|
|
.confirmedStatus) ||
|
|
(lelantusData.findTransaction(lelantusCoinsList[i].txId) != null &&
|
|
!lelantusData
|
|
.findTransaction(lelantusCoinsList[i].txId)!
|
|
.confirmedStatus)) {
|
|
continue;
|
|
}
|
|
if (!lelantusCoinsList[i].isUsed &&
|
|
lelantusCoinsList[i].anonymitySetId != ANONYMITY_SET_EMPTY_ID &&
|
|
!isUnconfirmed) {
|
|
coins.add(lelantusCoinsList[i]);
|
|
}
|
|
}
|
|
return coins;
|
|
}
|
|
|
|
// index 0 and 1 for the funds available to spend.
|
|
// index 2 and 3 for all the funds in the wallet (including the undependable ones)
|
|
Future<List<Decimal>> _getFullBalance() async {
|
|
try {
|
|
final List<Map<dynamic, LelantusCoin>> lelantusCoins =
|
|
getLelantusCoinMap();
|
|
if (lelantusCoins.isNotEmpty) {
|
|
lelantusCoins.removeWhere((element) =>
|
|
element.values.any((elementCoin) => elementCoin.value == 0));
|
|
}
|
|
final utxos = await utxoData;
|
|
final Decimal price = await firoPrice;
|
|
final data = await _txnData;
|
|
final lData = await lelantusTransactionData;
|
|
final jindexes =
|
|
DB.instance.get<dynamic>(boxName: walletId, key: 'jindex') as List?;
|
|
int intLelantusBalance = 0;
|
|
int unconfirmedLelantusBalance = 0;
|
|
|
|
for (var element in lelantusCoins) {
|
|
element.forEach((key, value) {
|
|
final tx = data.findTransaction(value.txId);
|
|
models.Transaction? ltx;
|
|
ltx = lData.findTransaction(value.txId);
|
|
// Logging.instance.log("$value $tx $ltx");
|
|
if (!jindexes!.contains(value.index) && tx == null) {
|
|
// This coin is not confirmed and may be replaced
|
|
} else if (jindexes.contains(value.index) &&
|
|
tx == null &&
|
|
!value.isUsed &&
|
|
ltx != null &&
|
|
!ltx.confirmedStatus) {
|
|
unconfirmedLelantusBalance += value.value;
|
|
} else if (jindexes.contains(value.index) && !value.isUsed) {
|
|
intLelantusBalance += value.value;
|
|
} else if (!value.isUsed &&
|
|
(tx == null ? true : tx.confirmedStatus != false)) {
|
|
intLelantusBalance += value.value;
|
|
} else if (tx != null && tx.confirmedStatus == false) {
|
|
unconfirmedLelantusBalance += value.value;
|
|
}
|
|
});
|
|
}
|
|
|
|
final int utxosIntValue = utxos.satoshiBalance;
|
|
final Decimal utxosValue = Format.satoshisToAmount(utxosIntValue);
|
|
|
|
List<Decimal> balances = List.empty(growable: true);
|
|
|
|
Decimal lelantusBalance = Format.satoshisToAmount(intLelantusBalance);
|
|
|
|
balances.add(lelantusBalance);
|
|
|
|
balances.add(lelantusBalance * price);
|
|
|
|
Decimal _unconfirmedLelantusBalance =
|
|
Format.satoshisToAmount(unconfirmedLelantusBalance);
|
|
|
|
balances.add(lelantusBalance + utxosValue + _unconfirmedLelantusBalance);
|
|
|
|
balances.add(
|
|
(lelantusBalance + utxosValue + _unconfirmedLelantusBalance) * price);
|
|
|
|
int availableSats =
|
|
utxos.satoshiBalance - utxos.satoshiBalanceUnconfirmed;
|
|
if (availableSats < 0) {
|
|
availableSats = 0;
|
|
}
|
|
balances.add(Format.satoshisToAmount(availableSats));
|
|
|
|
Logging.instance.log("balances $balances", level: LogLevel.Info);
|
|
await DB.instance.put<dynamic>(
|
|
boxName: walletId,
|
|
key: 'totalBalance',
|
|
value: balances[2].toString());
|
|
return balances;
|
|
} catch (e, s) {
|
|
Logging.instance.log("Exception rethrown in getFullBalance(): $e\n$s",
|
|
level: LogLevel.Error);
|
|
rethrow;
|
|
}
|
|
}
|
|
|
|
Future<void> anonymizeAllPublicFunds() async {
|
|
try {
|
|
var mintResult = await _mintSelection();
|
|
if (mintResult.isEmpty) {
|
|
Logging.instance.log("nothing to mint", level: LogLevel.Info);
|
|
return;
|
|
}
|
|
await _submitLelantusToNetwork(mintResult);
|
|
unawaited(refresh());
|
|
} catch (e, s) {
|
|
Logging.instance.log(
|
|
"Exception caught in anonymizeAllPublicFunds(): $e\n$s",
|
|
level: LogLevel.Warning);
|
|
rethrow;
|
|
}
|
|
}
|
|
|
|
/// Returns the mint transaction hex to mint all of the available funds.
|
|
Future<Map<String, dynamic>> _mintSelection() async {
|
|
final List<UtxoObject> availableOutputs = _outputsList;
|
|
final List<UtxoObject?> spendableOutputs = [];
|
|
|
|
// Build list of spendable outputs and totaling their satoshi amount
|
|
for (var i = 0; i < availableOutputs.length; i++) {
|
|
if (availableOutputs[i].blocked == false &&
|
|
availableOutputs[i].status.confirmed == true &&
|
|
!(availableOutputs[i].isCoinbase &&
|
|
availableOutputs[i].status.confirmations <= 101)) {
|
|
spendableOutputs.add(availableOutputs[i]);
|
|
}
|
|
}
|
|
|
|
final List<Map<dynamic, LelantusCoin>> lelantusCoins = getLelantusCoinMap();
|
|
if (lelantusCoins.isNotEmpty) {
|
|
lelantusCoins.removeWhere((element) =>
|
|
element.values.any((elementCoin) => elementCoin.value == 0));
|
|
}
|
|
final data = await _txnData;
|
|
final dataMap = data.getAllTransactions();
|
|
dataMap.forEach((key, value) {
|
|
if (value.inputs.isNotEmpty) {
|
|
for (var element in value.inputs) {
|
|
if (lelantusCoins
|
|
.any((element) => element.keys.contains(value.txid)) &&
|
|
spendableOutputs.firstWhere(
|
|
(output) => output?.txid == element.txid,
|
|
orElse: () => null) !=
|
|
null) {
|
|
spendableOutputs
|
|
.removeWhere((output) => output!.txid == element.txid);
|
|
}
|
|
}
|
|
}
|
|
});
|
|
|
|
// If there is no Utxos to mint then stop the function.
|
|
if (spendableOutputs.isEmpty) {
|
|
Logging.instance.log("_mintSelection(): No spendable outputs found",
|
|
level: LogLevel.Info);
|
|
return {};
|
|
}
|
|
|
|
int satoshisBeingUsed = 0;
|
|
List<UtxoObject> utxoObjectsToUse = [];
|
|
|
|
for (var i = 0; i < spendableOutputs.length; i++) {
|
|
final spendable = spendableOutputs[i];
|
|
if (spendable != null) {
|
|
utxoObjectsToUse.add(spendable);
|
|
satoshisBeingUsed += spendable.value;
|
|
}
|
|
}
|
|
|
|
var mintsWithoutFee = await createMintsFromAmount(satoshisBeingUsed);
|
|
|
|
var tmpTx = await buildMintTransaction(
|
|
utxoObjectsToUse, satoshisBeingUsed, mintsWithoutFee);
|
|
|
|
int vsize = (tmpTx['transaction'] as Transaction).virtualSize();
|
|
final Decimal dvsize = Decimal.fromInt(vsize);
|
|
|
|
final feesObject = await fees;
|
|
|
|
final Decimal fastFee = Format.satoshisToAmount(feesObject.fast);
|
|
int firoFee =
|
|
(dvsize * fastFee * Decimal.fromInt(100000)).toDouble().ceil();
|
|
// int firoFee = (vsize * feesObject.fast * (1 / 1000.0) * 100000000).ceil();
|
|
|
|
if (firoFee < vsize) {
|
|
firoFee = vsize + 1;
|
|
}
|
|
firoFee = firoFee + 10;
|
|
int satoshiAmountToSend = satoshisBeingUsed - firoFee;
|
|
|
|
var mintsWithFee = await createMintsFromAmount(satoshiAmountToSend);
|
|
|
|
Map<String, dynamic> transaction = await buildMintTransaction(
|
|
utxoObjectsToUse, satoshiAmountToSend, mintsWithFee);
|
|
transaction['transaction'] = "";
|
|
Logging.instance.log(transaction.toString(), level: LogLevel.Info);
|
|
Logging.instance.log(transaction['txHex'], level: LogLevel.Info);
|
|
return transaction;
|
|
}
|
|
|
|
Future<List<Map<String, dynamic>>> createMintsFromAmount(int total) async {
|
|
var tmpTotal = total;
|
|
var index = 0;
|
|
var mints = <Map<String, dynamic>>[];
|
|
final nextFreeMintIndex =
|
|
DB.instance.get<dynamic>(boxName: walletId, key: 'mintIndex') as int;
|
|
while (tmpTotal > 0) {
|
|
final mintValue = min(tmpTotal, MINT_LIMIT);
|
|
final mint = await _getMintHex(
|
|
mintValue,
|
|
nextFreeMintIndex + index,
|
|
);
|
|
mints.add({
|
|
"value": mintValue,
|
|
"script": mint,
|
|
"index": nextFreeMintIndex + index,
|
|
"publicCoin": "",
|
|
});
|
|
tmpTotal = tmpTotal - MINT_LIMIT;
|
|
index++;
|
|
}
|
|
return mints;
|
|
}
|
|
|
|
/// returns a valid txid if successful
|
|
Future<String> submitHexToNetwork(String hex) async {
|
|
try {
|
|
final txid = await electrumXClient.broadcastTransaction(rawTx: hex);
|
|
return txid;
|
|
} catch (e, s) {
|
|
Logging.instance.log(
|
|
"Caught exception in submitHexToNetwork(\"$hex\"): $e $s",
|
|
printFullLength: true,
|
|
level: LogLevel.Info);
|
|
// return an invalid tx
|
|
return "transaction submission failed";
|
|
}
|
|
}
|
|
|
|
/// Builds and signs a transaction
|
|
Future<Map<String, dynamic>> buildMintTransaction(List<UtxoObject> utxosToUse,
|
|
int satoshisPerRecipient, List<Map<String, dynamic>> mintsMap) async {
|
|
debugPrint(utxosToUse.toString());
|
|
List<String> addressesToDerive = [];
|
|
|
|
// Populating the addresses to derive
|
|
for (var i = 0; i < utxosToUse.length; i++) {
|
|
final txid = utxosToUse[i].txid;
|
|
final outputIndex = utxosToUse[i].vout;
|
|
|
|
// txid may not work for this as txid may not always be the same as tx_hash?
|
|
final tx = await cachedElectrumXClient.getTransaction(
|
|
txHash: txid,
|
|
verbose: true,
|
|
coin: coin,
|
|
);
|
|
|
|
final vouts = tx["vout"] as List?;
|
|
if (vouts != null && outputIndex < vouts.length) {
|
|
final address =
|
|
vouts[outputIndex]["scriptPubKey"]["addresses"][0] as String?;
|
|
if (address != null) {
|
|
addressesToDerive.add(address);
|
|
}
|
|
}
|
|
}
|
|
|
|
List<ECPair> elipticCurvePairArray = [];
|
|
List<Uint8List> outputDataArray = [];
|
|
|
|
final receiveDerivationsString =
|
|
await _secureStore.read(key: "${walletId}_receiveDerivations");
|
|
final changeDerivationsString =
|
|
await _secureStore.read(key: "${walletId}_changeDerivations");
|
|
|
|
final receiveDerivations = Map<String, dynamic>.from(
|
|
jsonDecode(receiveDerivationsString ?? "{}") as Map);
|
|
final changeDerivations = Map<String, dynamic>.from(
|
|
jsonDecode(changeDerivationsString ?? "{}") as Map);
|
|
|
|
for (var i = 0; i < addressesToDerive.length; i++) {
|
|
final addressToCheckFor = addressesToDerive[i];
|
|
|
|
for (var i = 0; i < receiveDerivations.length; i++) {
|
|
final receive = receiveDerivations["$i"];
|
|
final change = changeDerivations["$i"];
|
|
|
|
if (receive['address'] == addressToCheckFor) {
|
|
Logging.instance
|
|
.log('Receiving found on loop $i', level: LogLevel.Info);
|
|
// Logging.instance.log(
|
|
// 'decoded receive[\'wif\'] version: ${wif.decode(receive['wif'] as String)}, _network: $_network');
|
|
elipticCurvePairArray
|
|
.add(ECPair.fromWIF(receive['wif'] as String, network: _network));
|
|
outputDataArray.add(P2PKH(
|
|
network: _network,
|
|
data: PaymentData(
|
|
pubkey: Format.stringToUint8List(
|
|
receive['publicKey'] as String)))
|
|
.data
|
|
.output!);
|
|
break;
|
|
}
|
|
if (change['address'] == addressToCheckFor) {
|
|
Logging.instance.log('Change found on loop $i', level: LogLevel.Info);
|
|
// Logging.instance.log(
|
|
// 'decoded change[\'wif\'] version: ${wif.decode(change['wif'] as String)}, _network: $_network');
|
|
elipticCurvePairArray
|
|
.add(ECPair.fromWIF(change['wif'] as String, network: _network));
|
|
|
|
outputDataArray.add(P2PKH(
|
|
network: _network,
|
|
data: PaymentData(
|
|
pubkey: Format.stringToUint8List(
|
|
change['publicKey'] as String)))
|
|
.data
|
|
.output!);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
final txb = TransactionBuilder(network: _network);
|
|
txb.setVersion(2);
|
|
|
|
int height = await getBlockHead(electrumXClient);
|
|
txb.setLockTime(height);
|
|
int amount = 0;
|
|
// Add transaction inputs
|
|
for (var i = 0; i < utxosToUse.length; i++) {
|
|
txb.addInput(
|
|
utxosToUse[i].txid, utxosToUse[i].vout, null, outputDataArray[i]);
|
|
amount += utxosToUse[i].value;
|
|
}
|
|
|
|
final index =
|
|
DB.instance.get<dynamic>(boxName: walletId, key: 'mintIndex') as int;
|
|
Logging.instance.log("index of mint $index", level: LogLevel.Info);
|
|
|
|
for (var mintsElement in mintsMap) {
|
|
Logging.instance.log("using $mintsElement", level: LogLevel.Info);
|
|
Uint8List mintu8 =
|
|
Format.stringToUint8List(mintsElement['script'] as String);
|
|
txb.addOutput(mintu8, mintsElement['value'] as int);
|
|
}
|
|
|
|
for (var i = 0; i < utxosToUse.length; i++) {
|
|
txb.sign(
|
|
vin: i,
|
|
keyPair: elipticCurvePairArray[i],
|
|
witnessValue: utxosToUse[i].value,
|
|
);
|
|
}
|
|
var incomplete = txb.buildIncomplete();
|
|
var txId = incomplete.getId();
|
|
var txHex = incomplete.toHex();
|
|
int fee = amount - incomplete.outs[0].value!;
|
|
|
|
var price = await firoPrice;
|
|
var builtHex = txb.build();
|
|
// return builtHex;
|
|
final locale = await Devicelocale.currentLocale;
|
|
return {
|
|
"transaction": builtHex,
|
|
"txid": txId,
|
|
"txHex": txHex,
|
|
"value": amount - fee,
|
|
"fees": Format.satoshisToAmount(fee).toDouble(),
|
|
"publicCoin": "",
|
|
"height": height,
|
|
"txType": "Sent",
|
|
"confirmed_status": false,
|
|
"amount": Format.satoshisToAmount(amount).toDouble(),
|
|
"worthNow": Format.localizedStringAsFixed(
|
|
value: ((Decimal.fromInt(amount) * price) /
|
|
Decimal.fromInt(Constants.satsPerCoin))
|
|
.toDecimal(scaleOnInfinitePrecision: 2),
|
|
decimalPlaces: 2,
|
|
locale: locale!),
|
|
"timestamp": DateTime.now().millisecondsSinceEpoch ~/ 1000,
|
|
"subType": "mint",
|
|
"mintsMap": mintsMap,
|
|
};
|
|
}
|
|
|
|
Future<models.TransactionData> _refreshLelantusData() async {
|
|
final List<Map<dynamic, LelantusCoin>> lelantusCoins = getLelantusCoinMap();
|
|
final jindexes =
|
|
DB.instance.get<dynamic>(boxName: walletId, key: 'jindex') as List?;
|
|
|
|
// Get all joinsplit transaction ids
|
|
final lelantusTxData = await lelantusTransactionData;
|
|
|
|
final listLelantusTxData = lelantusTxData.getAllTransactions();
|
|
List<String> joinsplits = [];
|
|
for (final tx in listLelantusTxData.values) {
|
|
if (tx.subType == "join") {
|
|
joinsplits.add(tx.txid);
|
|
}
|
|
}
|
|
for (final coin
|
|
in lelantusCoins.fold(<LelantusCoin>[], (previousValue, element) {
|
|
(previousValue as List<LelantusCoin>).add(element.values.first);
|
|
return previousValue;
|
|
})) {
|
|
if (jindexes != null) {
|
|
if (jindexes.contains(coin.index) && !joinsplits.contains(coin.txId)) {
|
|
joinsplits.add(coin.txId);
|
|
}
|
|
}
|
|
}
|
|
|
|
final currentPrice = await firoPrice;
|
|
// Grab the most recent information on all the joinsplits
|
|
|
|
final locale = await Devicelocale.currentLocale;
|
|
final updatedJSplit = await getJMintTransactions(cachedElectrumXClient,
|
|
joinsplits, _prefs.currency, coin, currentPrice, locale!);
|
|
|
|
// update all of joinsplits that are now confirmed.
|
|
for (final tx in updatedJSplit) {
|
|
final currentTx = listLelantusTxData[tx.txid];
|
|
if (currentTx == null) {
|
|
// this send was accidentally not included in the list
|
|
listLelantusTxData[tx.txid] = tx;
|
|
continue;
|
|
}
|
|
if (currentTx.confirmedStatus != tx.confirmedStatus) {
|
|
listLelantusTxData[tx.txid] = tx;
|
|
}
|
|
}
|
|
|
|
final txData = await _txnData;
|
|
|
|
// Logging.instance.log(txData.txChunks);
|
|
final listTxData = txData.getAllTransactions();
|
|
listTxData.forEach((key, value) {
|
|
// ignore change addresses
|
|
// bool hasAtLeastOneReceive = false;
|
|
// int howManyReceiveInputs = 0;
|
|
// for (var element in value.inputs) {
|
|
// if (listLelantusTxData.containsKey(element.txid) &&
|
|
// listLelantusTxData[element.txid]!.txType == "Received"
|
|
// // &&
|
|
// // listLelantusTxData[element.txid].subType != "mint"
|
|
// ) {
|
|
// // hasAtLeastOneReceive = true;
|
|
// // howManyReceiveInputs++;
|
|
// }
|
|
// }
|
|
|
|
if (value.txType == "Received" && value.subType != "mint") {
|
|
// Every receive other than a mint should be shown. Mints will be collected and shown from the send side
|
|
listLelantusTxData[value.txid] = value;
|
|
} else if (value.txType == "Sent") {
|
|
// all sends should be shown, mints will be displayed correctly in the ui
|
|
listLelantusTxData[value.txid] = value;
|
|
}
|
|
});
|
|
|
|
// update the _lelantusTransactionData
|
|
final models.TransactionData newTxData =
|
|
models.TransactionData.fromMap(listLelantusTxData);
|
|
// Logging.instance.log(newTxData.txChunks);
|
|
_lelantusTransactionData = Future(() => newTxData);
|
|
await DB.instance.put<dynamic>(
|
|
boxName: walletId, key: 'latest_lelantus_tx_model', value: newTxData);
|
|
return newTxData;
|
|
}
|
|
|
|
Future<String> _getMintHex(int amount, int index) async {
|
|
final mnemonic = await _secureStore.read(key: '${_walletId}_mnemonic');
|
|
final mintKeyPair = await compute(
|
|
getBip32NodeWrapper,
|
|
Tuple4(
|
|
MINT_INDEX,
|
|
index,
|
|
mnemonic!,
|
|
_network,
|
|
),
|
|
);
|
|
String keydata = Format.uint8listToString(mintKeyPair.privateKey!);
|
|
String seedID = Format.uint8listToString(mintKeyPair.identifier);
|
|
|
|
String mintHex = await compute(
|
|
_getMintScriptWrapper,
|
|
Tuple5(
|
|
amount,
|
|
keydata,
|
|
index,
|
|
seedID,
|
|
coin == Coin.firoTestNet,
|
|
),
|
|
);
|
|
return mintHex;
|
|
}
|
|
|
|
Future<bool> _submitLelantusToNetwork(
|
|
Map<String, dynamic> transactionInfo) async {
|
|
final latestSetId = await getLatestSetId();
|
|
final txid = await submitHexToNetwork(transactionInfo['txHex'] as String);
|
|
// success if txid matches the generated txid
|
|
Logging.instance.log(
|
|
"_submitLelantusToNetwork txid: ${transactionInfo['txid']}",
|
|
level: LogLevel.Info);
|
|
if (txid == transactionInfo['txid']) {
|
|
final index =
|
|
DB.instance.get<dynamic>(boxName: walletId, key: 'mintIndex') as int?;
|
|
final List<Map<dynamic, LelantusCoin>> lelantusCoins =
|
|
getLelantusCoinMap();
|
|
List<Map<dynamic, LelantusCoin>> coins;
|
|
if (lelantusCoins.isEmpty) {
|
|
coins = [];
|
|
} else {
|
|
coins = [...lelantusCoins];
|
|
}
|
|
|
|
if (transactionInfo['spendCoinIndexes'] != null) {
|
|
// This is a joinsplit
|
|
|
|
// Update all of the coins that have been spent.
|
|
for (final lCoinMap in coins) {
|
|
final lCoin = lCoinMap.values.first;
|
|
if ((transactionInfo['spendCoinIndexes'] as List<int>)
|
|
.contains(lCoin.index)) {
|
|
lCoinMap[lCoinMap.keys.first] = LelantusCoin(
|
|
lCoin.index,
|
|
lCoin.value,
|
|
lCoin.publicCoin,
|
|
lCoin.txId,
|
|
lCoin.anonymitySetId,
|
|
true);
|
|
}
|
|
}
|
|
|
|
// if a jmint was made add it to the unspent coin index
|
|
LelantusCoin jmint = LelantusCoin(
|
|
index!,
|
|
transactionInfo['jmintValue'] as int? ?? 0,
|
|
transactionInfo['publicCoin'] as String,
|
|
transactionInfo['txid'] as String,
|
|
latestSetId,
|
|
false);
|
|
if (jmint.value > 0) {
|
|
coins.add({jmint.txId: jmint});
|
|
final jindexes = DB.instance
|
|
.get<dynamic>(boxName: walletId, key: 'jindex') as List?;
|
|
jindexes!.add(index);
|
|
await DB.instance
|
|
.put<dynamic>(boxName: walletId, key: 'jindex', value: jindexes);
|
|
await DB.instance.put<dynamic>(
|
|
boxName: walletId, key: 'mintIndex', value: index + 1);
|
|
}
|
|
await DB.instance.put<dynamic>(
|
|
boxName: walletId, key: '_lelantus_coins', value: coins);
|
|
|
|
// add the send transaction
|
|
models.TransactionData data = await lelantusTransactionData;
|
|
Map<String, models.Transaction> transactions =
|
|
data.getAllTransactions();
|
|
transactions[transactionInfo['txid'] as String] =
|
|
models.Transaction.fromLelantusJson(transactionInfo);
|
|
final models.TransactionData newTxData =
|
|
models.TransactionData.fromMap(transactions);
|
|
await DB.instance.put<dynamic>(
|
|
boxName: walletId,
|
|
key: 'latest_lelantus_tx_model',
|
|
value: newTxData);
|
|
final ldata = DB.instance.get<dynamic>(
|
|
boxName: walletId,
|
|
key: 'latest_lelantus_tx_model') as models.TransactionData;
|
|
_lelantusTransactionData = Future(() => ldata);
|
|
} else {
|
|
// This is a mint
|
|
Logging.instance.log("this is a mint", level: LogLevel.Info);
|
|
|
|
// TODO: transactionInfo['mintsMap']
|
|
for (final mintMap
|
|
in transactionInfo['mintsMap'] as List<Map<String, dynamic>>) {
|
|
final index = mintMap['index'] as int?;
|
|
LelantusCoin mint = LelantusCoin(
|
|
index!,
|
|
mintMap['value'] as int,
|
|
mintMap['publicCoin'] as String,
|
|
transactionInfo['txid'] as String,
|
|
latestSetId,
|
|
false,
|
|
);
|
|
if (mint.value > 0) {
|
|
coins.add({mint.txId: mint});
|
|
await DB.instance.put<dynamic>(
|
|
boxName: walletId, key: 'mintIndex', value: index + 1);
|
|
}
|
|
}
|
|
// Logging.instance.log(coins);
|
|
await DB.instance.put<dynamic>(
|
|
boxName: walletId, key: '_lelantus_coins', value: coins);
|
|
}
|
|
return true;
|
|
} else {
|
|
// Failed to send to network
|
|
return false;
|
|
}
|
|
}
|
|
|
|
Future<FeeObject> _getFees() async {
|
|
try {
|
|
//TODO adjust numbers for different speeds?
|
|
const int f = 1, m = 5, s = 20;
|
|
|
|
final fast = await electrumXClient.estimateFee(blocks: f);
|
|
final medium = await electrumXClient.estimateFee(blocks: m);
|
|
final slow = await electrumXClient.estimateFee(blocks: s);
|
|
|
|
final feeObject = FeeObject(
|
|
numberOfBlocksFast: f,
|
|
numberOfBlocksAverage: m,
|
|
numberOfBlocksSlow: s,
|
|
fast: Format.decimalAmountToSatoshis(fast),
|
|
medium: Format.decimalAmountToSatoshis(medium),
|
|
slow: Format.decimalAmountToSatoshis(slow),
|
|
);
|
|
|
|
Logging.instance.log("fetched fees: $feeObject", level: LogLevel.Info);
|
|
return feeObject;
|
|
|
|
// final result = await electrumXClient.getFeeRate();
|
|
//
|
|
// final locale = await Devicelocale.currentLocale;
|
|
// final String fee =
|
|
// Format.satoshiAmountToPrettyString(result["rate"] as int, locale!);
|
|
//
|
|
// final fees = {
|
|
// "fast": fee,
|
|
// "average": fee,
|
|
// "slow": fee,
|
|
// };
|
|
// final FeeObject feeObject = FeeObject.fromJson(fees);
|
|
// return feeObject;
|
|
} catch (e) {
|
|
Logging.instance
|
|
.log("Exception rethrown from _getFees(): $e", level: LogLevel.Error);
|
|
rethrow;
|
|
}
|
|
}
|
|
|
|
Future<ElectrumXNode> _getCurrentNode() async {
|
|
final node = NodeService(secureStorageInterface: _secureStore)
|
|
.getPrimaryNodeFor(coin: coin) ??
|
|
DefaultNodes.getNodeFor(coin);
|
|
|
|
return ElectrumXNode(
|
|
address: node.host,
|
|
port: node.port,
|
|
name: node.name,
|
|
useSSL: node.useSSL,
|
|
id: node.id,
|
|
);
|
|
}
|
|
|
|
//TODO call get transaction and check each tx to see if it is a "received" tx?
|
|
Future<int> _getReceivedTxCount({required String address}) async {
|
|
try {
|
|
final scripthash = AddressUtils.convertToScriptHash(address, _network);
|
|
final transactions =
|
|
await electrumXClient.getHistory(scripthash: scripthash);
|
|
return transactions.length;
|
|
} catch (e) {
|
|
Logging.instance.log(
|
|
"Exception rethrown in _getReceivedTxCount(address: $address): $e",
|
|
level: LogLevel.Error);
|
|
rethrow;
|
|
}
|
|
}
|
|
|
|
Future<void> checkReceivingAddressForTransactions() async {
|
|
try {
|
|
final String currentExternalAddr = await _getCurrentAddressForChain(0);
|
|
final int numtxs =
|
|
await _getReceivedTxCount(address: currentExternalAddr);
|
|
Logging.instance.log(
|
|
'Number of txs for current receiving: $currentExternalAddr: $numtxs',
|
|
level: LogLevel.Info);
|
|
|
|
if (numtxs >= 1) {
|
|
await incrementAddressIndexForChain(
|
|
0); // First increment the receiving index
|
|
final newReceivingIndex =
|
|
DB.instance.get<dynamic>(boxName: walletId, key: 'receivingIndex')
|
|
as int; // Check the new receiving index
|
|
final newReceivingAddress = await _generateAddressForChain(0,
|
|
newReceivingIndex); // Use new index to derive a new receiving address
|
|
await addToAddressesArrayForChain(newReceivingAddress,
|
|
0); // Add that new receiving address to the array of receiving addresses
|
|
_currentReceivingAddress = Future(() =>
|
|
newReceivingAddress); // Set the new receiving address that the service
|
|
}
|
|
} on SocketException catch (se, s) {
|
|
Logging.instance.log(
|
|
"SocketException caught in checkReceivingAddressForTransactions(): $se\n$s",
|
|
level: LogLevel.Error);
|
|
return;
|
|
} catch (e, s) {
|
|
Logging.instance.log(
|
|
"Exception rethrown from checkReceivingAddressForTransactions(): $e\n$s",
|
|
level: LogLevel.Error);
|
|
rethrow;
|
|
}
|
|
}
|
|
|
|
Future<void> checkChangeAddressForTransactions() async {
|
|
try {
|
|
final String currentExternalAddr = await _getCurrentAddressForChain(1);
|
|
final int numtxs =
|
|
await _getReceivedTxCount(address: currentExternalAddr);
|
|
Logging.instance.log(
|
|
'Number of txs for current change address: $currentExternalAddr: $numtxs',
|
|
level: LogLevel.Info);
|
|
|
|
if (numtxs >= 1) {
|
|
await incrementAddressIndexForChain(
|
|
0); // First increment the change index
|
|
final newReceivingIndex =
|
|
DB.instance.get<dynamic>(boxName: walletId, key: 'changeIndex')
|
|
as int; // Check the new change index
|
|
final newReceivingAddress = await _generateAddressForChain(0,
|
|
newReceivingIndex); // Use new index to derive a new change address
|
|
await addToAddressesArrayForChain(newReceivingAddress,
|
|
0); // Add that new receiving address to the array of change addresses
|
|
}
|
|
} on SocketException catch (se, s) {
|
|
Logging.instance.log(
|
|
"SocketException caught in checkChangeAddressForTransactions(): $se\n$s",
|
|
level: LogLevel.Error);
|
|
return;
|
|
} catch (e, s) {
|
|
Logging.instance.log(
|
|
"Exception rethrown from checkChangeAddressForTransactions(): $e\n$s",
|
|
level: LogLevel.Error);
|
|
rethrow;
|
|
}
|
|
}
|
|
|
|
Future<List<String>> _fetchAllOwnAddresses() async {
|
|
final List<String> allAddresses = [];
|
|
final receivingAddresses =
|
|
DB.instance.get<dynamic>(boxName: walletId, key: 'receivingAddresses')
|
|
as List<dynamic>;
|
|
final changeAddresses =
|
|
DB.instance.get<dynamic>(boxName: walletId, key: 'changeAddresses')
|
|
as List<dynamic>;
|
|
|
|
for (var i = 0; i < receivingAddresses.length; i++) {
|
|
allAddresses.add(receivingAddresses[i] as String);
|
|
}
|
|
for (var i = 0; i < changeAddresses.length; i++) {
|
|
allAddresses.add(changeAddresses[i] as String);
|
|
}
|
|
return allAddresses;
|
|
}
|
|
|
|
Future<List<Map<String, dynamic>>> _fetchHistory(
|
|
List<String> allAddresses) async {
|
|
try {
|
|
List<Map<String, dynamic>> allTxHashes = [];
|
|
|
|
final Map<int, Map<String, List<dynamic>>> batches = {};
|
|
final Map<String, String> requestIdToAddressMap = {};
|
|
const batchSizeMax = 100;
|
|
int batchNumber = 0;
|
|
for (int i = 0; i < allAddresses.length; i++) {
|
|
if (batches[batchNumber] == null) {
|
|
batches[batchNumber] = {};
|
|
}
|
|
final scripthash =
|
|
AddressUtils.convertToScriptHash(allAddresses[i], _network);
|
|
final id = Logger.isTestEnv ? "$i" : const Uuid().v1();
|
|
requestIdToAddressMap[id] = allAddresses[i];
|
|
batches[batchNumber]!.addAll({
|
|
id: [scripthash]
|
|
});
|
|
if (i % batchSizeMax == batchSizeMax - 1) {
|
|
batchNumber++;
|
|
}
|
|
}
|
|
|
|
for (int i = 0; i < batches.length; i++) {
|
|
final response =
|
|
await _electrumXClient.getBatchHistory(args: batches[i]!);
|
|
for (final entry in response.entries) {
|
|
for (int j = 0; j < entry.value.length; j++) {
|
|
entry.value[j]["address"] = requestIdToAddressMap[entry.key];
|
|
if (!allTxHashes.contains(entry.value[j])) {
|
|
allTxHashes.add(entry.value[j]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return allTxHashes;
|
|
} catch (e, s) {
|
|
Logging.instance.log("_fetchHistory: $e\n$s", level: LogLevel.Error);
|
|
rethrow;
|
|
}
|
|
}
|
|
|
|
Future<models.TransactionData> _fetchTransactionData() async {
|
|
final changeAddresses =
|
|
DB.instance.get<dynamic>(boxName: walletId, key: 'changeAddresses')
|
|
as List<dynamic>;
|
|
final List<String> allAddresses = await _fetchAllOwnAddresses();
|
|
// Logging.instance.log("receiving addresses: $receivingAddresses");
|
|
// Logging.instance.log("change addresses: $changeAddresses");
|
|
|
|
List<Map<String, dynamic>> allTxHashes = await _fetchHistory(allAddresses);
|
|
|
|
final cachedTransactions =
|
|
DB.instance.get<dynamic>(boxName: walletId, key: 'latest_tx_model')
|
|
as models.TransactionData?;
|
|
int latestTxnBlockHeight =
|
|
DB.instance.get<dynamic>(boxName: walletId, key: "storedTxnDataHeight")
|
|
as int? ??
|
|
0;
|
|
|
|
final unconfirmedCachedTransactions =
|
|
cachedTransactions?.getAllTransactions() ?? {};
|
|
unconfirmedCachedTransactions
|
|
.removeWhere((key, value) => value.confirmedStatus);
|
|
|
|
if (cachedTransactions != null) {
|
|
for (final tx in allTxHashes.toList(growable: false)) {
|
|
final txHeight = tx["height"] as int;
|
|
if (txHeight > 0 &&
|
|
txHeight < latestTxnBlockHeight - MINIMUM_CONFIRMATIONS) {
|
|
if (unconfirmedCachedTransactions[tx["tx_hash"] as String] == null) {
|
|
allTxHashes.remove(tx);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
List<String> hashes = [];
|
|
for (var element in allTxHashes) {
|
|
hashes.add(element['tx_hash'] as String);
|
|
}
|
|
List<Map<String, dynamic>> allTransactions = await fastFetch(hashes);
|
|
|
|
Logging.instance.log("allTransactions length: ${allTransactions.length}",
|
|
level: LogLevel.Info);
|
|
|
|
// sort thing stuff
|
|
final currentPrice = await firoPrice;
|
|
final List<Map<String, dynamic>> midSortedArray = [];
|
|
|
|
final locale = await Devicelocale.currentLocale;
|
|
|
|
Logging.instance.log("refresh the txs", level: LogLevel.Info);
|
|
for (final txObject in allTransactions) {
|
|
// Logging.instance.log(txObject);
|
|
List<String> sendersArray = [];
|
|
List<String> recipientsArray = [];
|
|
|
|
// Usually only has value when txType = 'Send'
|
|
int inputAmtSentFromWallet = 0;
|
|
// Usually has value regardless of txType due to change addresses
|
|
int outputAmtAddressedToWallet = 0;
|
|
|
|
Map<String, dynamic> midSortedTx = {};
|
|
List<dynamic> aliens = [];
|
|
|
|
for (final input in txObject["vin"] as List) {
|
|
final address = input["address"] as String?;
|
|
if (address != null) {
|
|
sendersArray.add(address);
|
|
}
|
|
}
|
|
|
|
// Logging.instance.log("sendersArray: $sendersArray");
|
|
|
|
for (final output in txObject["vout"] as List) {
|
|
final addresses = output["scriptPubKey"]["addresses"] as List?;
|
|
if (addresses != null && addresses.isNotEmpty) {
|
|
recipientsArray.add(addresses[0] as String);
|
|
}
|
|
}
|
|
// Logging.instance.log("recipientsArray: $recipientsArray");
|
|
|
|
final foundInSenders =
|
|
allAddresses.any((element) => sendersArray.contains(element));
|
|
// Logging.instance.log("foundInSenders: $foundInSenders");
|
|
|
|
String outAddress = "";
|
|
|
|
int fees = 0;
|
|
|
|
// If txType = Sent, then calculate inputAmtSentFromWallet, calculate who received how much in aliens array (check outputs)
|
|
if (foundInSenders) {
|
|
int outAmount = 0;
|
|
int inAmount = 0;
|
|
bool nFeesUsed = false;
|
|
|
|
for (final input in txObject["vin"] as List) {
|
|
final nFees = input["nFees"];
|
|
if (nFees != null) {
|
|
nFeesUsed = true;
|
|
fees = (Decimal.parse(nFees.toString()) *
|
|
Decimal.fromInt(Constants.satsPerCoin))
|
|
.toBigInt()
|
|
.toInt();
|
|
}
|
|
final address = input["address"];
|
|
final value = input["valueSat"];
|
|
if (address != null && value != null) {
|
|
if (allAddresses.contains(address)) {
|
|
inputAmtSentFromWallet += value as int;
|
|
}
|
|
}
|
|
|
|
if (value != null) {
|
|
inAmount += value as int;
|
|
}
|
|
}
|
|
|
|
for (final output in txObject["vout"] as List) {
|
|
final addresses = output["scriptPubKey"]["addresses"] as List?;
|
|
final value = output["value"];
|
|
if (addresses != null && addresses.isNotEmpty) {
|
|
final address = addresses[0] as String;
|
|
if (value != null) {
|
|
if (changeAddresses.contains(address)) {
|
|
inputAmtSentFromWallet -= (Decimal.parse(value.toString()) *
|
|
Decimal.fromInt(Constants.satsPerCoin))
|
|
.toBigInt()
|
|
.toInt();
|
|
} else {
|
|
outAddress = address;
|
|
}
|
|
}
|
|
}
|
|
if (value != null) {
|
|
outAmount += (Decimal.parse(value.toString()) *
|
|
Decimal.fromInt(Constants.satsPerCoin))
|
|
.toBigInt()
|
|
.toInt();
|
|
}
|
|
}
|
|
|
|
fees = nFeesUsed ? fees : inAmount - outAmount;
|
|
inputAmtSentFromWallet -= inAmount - outAmount;
|
|
} else {
|
|
for (final input in txObject["vin"] as List) {
|
|
final nFees = input["nFees"];
|
|
if (nFees != null) {
|
|
fees += (Decimal.parse(nFees.toString()) *
|
|
Decimal.fromInt(Constants.satsPerCoin))
|
|
.toBigInt()
|
|
.toInt();
|
|
}
|
|
}
|
|
|
|
for (final output in txObject["vout"] as List) {
|
|
final addresses = output["scriptPubKey"]["addresses"] as List?;
|
|
if (addresses != null && addresses.isNotEmpty) {
|
|
final address = addresses[0] as String;
|
|
final value = output["value"];
|
|
// Logging.instance.log(address + value.toString());
|
|
|
|
if (allAddresses.contains(address)) {
|
|
outputAmtAddressedToWallet += (Decimal.parse(value.toString()) *
|
|
Decimal.fromInt(Constants.satsPerCoin))
|
|
.toBigInt()
|
|
.toInt();
|
|
outAddress = address;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
final int confirms = txObject["confirmations"] as int? ?? 0;
|
|
|
|
// create final tx map
|
|
midSortedTx["txid"] = txObject["txid"];
|
|
midSortedTx["confirmed_status"] = confirms >= MINIMUM_CONFIRMATIONS;
|
|
midSortedTx["confirmations"] = confirms;
|
|
midSortedTx["timestamp"] = txObject["blocktime"] ??
|
|
(DateTime.now().millisecondsSinceEpoch ~/ 1000);
|
|
if (foundInSenders) {
|
|
midSortedTx["txType"] = "Sent";
|
|
midSortedTx["amount"] = inputAmtSentFromWallet;
|
|
final String worthNow = Format.localizedStringAsFixed(
|
|
value: ((currentPrice * Decimal.fromInt(inputAmtSentFromWallet)) /
|
|
Decimal.fromInt(Constants.satsPerCoin))
|
|
.toDecimal(scaleOnInfinitePrecision: 2),
|
|
decimalPlaces: 2,
|
|
locale: locale!);
|
|
midSortedTx["worthNow"] = worthNow;
|
|
midSortedTx["worthAtBlockTimestamp"] = worthNow;
|
|
if (txObject["vout"][0]["scriptPubKey"]["type"] == "lelantusmint") {
|
|
midSortedTx["subType"] = "mint";
|
|
}
|
|
} else {
|
|
midSortedTx["txType"] = "Received";
|
|
midSortedTx["amount"] = outputAmtAddressedToWallet;
|
|
final worthNow = Format.localizedStringAsFixed(
|
|
value:
|
|
((currentPrice * Decimal.fromInt(outputAmtAddressedToWallet)) /
|
|
Decimal.fromInt(Constants.satsPerCoin))
|
|
.toDecimal(scaleOnInfinitePrecision: 2),
|
|
decimalPlaces: 2,
|
|
locale: locale!);
|
|
midSortedTx["worthNow"] = worthNow;
|
|
midSortedTx["worthAtBlockTimestamp"] = worthNow;
|
|
}
|
|
midSortedTx["aliens"] = aliens;
|
|
midSortedTx["fees"] = fees;
|
|
midSortedTx["address"] = outAddress;
|
|
midSortedTx["inputSize"] = txObject["vin"].length;
|
|
midSortedTx["outputSize"] = txObject["vout"].length;
|
|
midSortedTx["inputs"] = txObject["vin"];
|
|
midSortedTx["outputs"] = txObject["vout"];
|
|
|
|
final int height = txObject["height"] as int? ?? 0;
|
|
midSortedTx["height"] = height;
|
|
|
|
if (height >= latestTxnBlockHeight) {
|
|
latestTxnBlockHeight = height;
|
|
}
|
|
|
|
midSortedArray.add(midSortedTx);
|
|
}
|
|
|
|
// sort by date ---- //TODO not sure if needed
|
|
// shouldn't be any issues with a null timestamp but I got one at some point?
|
|
midSortedArray.sort((a, b) {
|
|
final aT = a["timestamp"];
|
|
final bT = b["timestamp"];
|
|
|
|
if (aT == null && bT == null) {
|
|
return 0;
|
|
} else if (aT == null) {
|
|
return -1;
|
|
} else if (bT == null) {
|
|
return 1;
|
|
} else {
|
|
return (bT as int) - (aT as int);
|
|
}
|
|
});
|
|
|
|
// buildDateTimeChunks
|
|
final Map<String, dynamic> result = {"dateTimeChunks": <dynamic>[]};
|
|
final dateArray = <dynamic>[];
|
|
|
|
for (int i = 0; i < midSortedArray.length; i++) {
|
|
final txObject = midSortedArray[i];
|
|
final date =
|
|
models.extractDateFromTimestamp(txObject["timestamp"] as int);
|
|
final txTimeArray = [txObject["timestamp"], date];
|
|
|
|
if (dateArray.contains(txTimeArray[1])) {
|
|
result["dateTimeChunks"].forEach((dynamic chunk) {
|
|
if (models.extractDateFromTimestamp(chunk["timestamp"] as int) ==
|
|
txTimeArray[1]) {
|
|
if (chunk["transactions"] == null) {
|
|
chunk["transactions"] = <Map<String, dynamic>>[];
|
|
}
|
|
chunk["transactions"].add(txObject);
|
|
}
|
|
});
|
|
} else {
|
|
dateArray.add(txTimeArray[1]);
|
|
final chunk = {
|
|
"timestamp": txTimeArray[0],
|
|
"transactions": [txObject],
|
|
};
|
|
result["dateTimeChunks"].add(chunk);
|
|
}
|
|
}
|
|
|
|
final transactionsMap = cachedTransactions?.getAllTransactions() ?? {};
|
|
transactionsMap
|
|
.addAll(models.TransactionData.fromJson(result).getAllTransactions());
|
|
|
|
final txModel = models.TransactionData.fromMap(transactionsMap);
|
|
|
|
await DB.instance.put<dynamic>(
|
|
boxName: walletId,
|
|
key: 'storedTxnDataHeight',
|
|
value: latestTxnBlockHeight);
|
|
await DB.instance.put<dynamic>(
|
|
boxName: walletId, key: 'latest_tx_model', value: txModel);
|
|
|
|
cachedTxData = txModel;
|
|
return txModel;
|
|
}
|
|
|
|
Future<UtxoData> _fetchUtxoData() async {
|
|
final List<String> allAddresses = await _fetchAllOwnAddresses();
|
|
|
|
try {
|
|
final fetchedUtxoList = <List<Map<String, dynamic>>>[];
|
|
|
|
final Map<int, Map<String, List<dynamic>>> batches = {};
|
|
const batchSizeMax = 100;
|
|
int batchNumber = 0;
|
|
for (int i = 0; i < allAddresses.length; i++) {
|
|
if (batches[batchNumber] == null) {
|
|
batches[batchNumber] = {};
|
|
}
|
|
final scripthash =
|
|
AddressUtils.convertToScriptHash(allAddresses[i], _network);
|
|
batches[batchNumber]!.addAll({
|
|
scripthash: [scripthash]
|
|
});
|
|
if (i % batchSizeMax == batchSizeMax - 1) {
|
|
batchNumber++;
|
|
}
|
|
}
|
|
|
|
for (int i = 0; i < batches.length; i++) {
|
|
final response =
|
|
await _electrumXClient.getBatchUTXOs(args: batches[i]!);
|
|
for (final entry in response.entries) {
|
|
if (entry.value.isNotEmpty) {
|
|
fetchedUtxoList.add(entry.value);
|
|
}
|
|
}
|
|
}
|
|
final priceData =
|
|
await _priceAPI.getPricesAnd24hChange(baseCurrency: _prefs.currency);
|
|
Decimal currentPrice = priceData[coin]?.item1 ?? Decimal.zero;
|
|
final List<Map<String, dynamic>> outputArray = [];
|
|
int satoshiBalance = 0;
|
|
int satoshiBalancePending = 0;
|
|
|
|
for (int i = 0; i < fetchedUtxoList.length; i++) {
|
|
for (int j = 0; j < fetchedUtxoList[i].length; j++) {
|
|
int value = fetchedUtxoList[i][j]["value"] as int;
|
|
satoshiBalance += value;
|
|
|
|
final txn = await cachedElectrumXClient.getTransaction(
|
|
txHash: fetchedUtxoList[i][j]["tx_hash"] as String,
|
|
verbose: true,
|
|
coin: coin,
|
|
);
|
|
|
|
final Map<String, dynamic> utxo = {};
|
|
final int confirmations = txn["confirmations"] as int? ?? 0;
|
|
final bool confirmed = confirmations >= MINIMUM_CONFIRMATIONS;
|
|
if (!confirmed) {
|
|
satoshiBalancePending += value;
|
|
}
|
|
|
|
utxo["txid"] = txn["txid"];
|
|
utxo["vout"] = fetchedUtxoList[i][j]["tx_pos"];
|
|
utxo["value"] = value;
|
|
|
|
utxo["status"] = <String, dynamic>{};
|
|
utxo["status"]["confirmed"] = confirmed;
|
|
utxo["status"]["confirmations"] = confirmations;
|
|
utxo["status"]["confirmed"] =
|
|
txn["confirmations"] == null ? false : txn["confirmations"] > 0;
|
|
|
|
utxo["status"]["block_height"] = fetchedUtxoList[i][j]["height"];
|
|
utxo["status"]["block_hash"] = txn["blockhash"];
|
|
utxo["status"]["block_time"] = txn["blocktime"];
|
|
|
|
final fiatValue = ((Decimal.fromInt(value) * currentPrice) /
|
|
Decimal.fromInt(Constants.satsPerCoin))
|
|
.toDecimal(scaleOnInfinitePrecision: 2);
|
|
utxo["rawWorth"] = fiatValue;
|
|
utxo["fiatWorth"] = fiatValue.toString();
|
|
utxo["is_coinbase"] = txn['vin'][0]['coinbase'] != null;
|
|
outputArray.add(utxo);
|
|
}
|
|
}
|
|
|
|
Decimal currencyBalanceRaw =
|
|
((Decimal.fromInt(satoshiBalance) * currentPrice) /
|
|
Decimal.fromInt(Constants.satsPerCoin))
|
|
.toDecimal(scaleOnInfinitePrecision: 2);
|
|
|
|
final Map<String, dynamic> result = {
|
|
"total_user_currency": currencyBalanceRaw.toString(),
|
|
"total_sats": satoshiBalance,
|
|
"total_btc": (Decimal.fromInt(satoshiBalance) /
|
|
Decimal.fromInt(Constants.satsPerCoin))
|
|
.toDecimal(scaleOnInfinitePrecision: Constants.decimalPlaces)
|
|
.toString(),
|
|
"outputArray": outputArray,
|
|
"unconfirmed": satoshiBalancePending,
|
|
};
|
|
|
|
final dataModel = UtxoData.fromJson(result);
|
|
|
|
final List<UtxoObject> allOutputs = dataModel.unspentOutputArray;
|
|
Logging.instance
|
|
.log('Outputs fetched: $allOutputs', level: LogLevel.Info);
|
|
await _sortOutputs(allOutputs);
|
|
await DB.instance.put<dynamic>(
|
|
boxName: walletId, key: 'latest_utxo_model', value: dataModel);
|
|
// await DB.instance.put<dynamic>(
|
|
// boxName: walletId,
|
|
// key: 'totalBalance',
|
|
// value: dataModel.satoshiBalance);
|
|
return dataModel;
|
|
} catch (e, s) {
|
|
Logging.instance
|
|
.log("Output fetch unsuccessful: $e\n$s", level: LogLevel.Error);
|
|
final latestTxModel =
|
|
DB.instance.get<dynamic>(boxName: walletId, key: 'latest_utxo_model')
|
|
as models.UtxoData?;
|
|
|
|
if (latestTxModel == null) {
|
|
final emptyModel = {
|
|
"total_user_currency": "0.00",
|
|
"total_sats": 0,
|
|
"total_btc": "0",
|
|
"outputArray": <dynamic>[]
|
|
};
|
|
return UtxoData.fromJson(emptyModel);
|
|
} else {
|
|
Logging.instance
|
|
.log("Old output model located", level: LogLevel.Warning);
|
|
return latestTxModel;
|
|
}
|
|
}
|
|
}
|
|
|
|
Future<models.TransactionData> _getLelantusTransactionData() async {
|
|
final latestModel = DB.instance.get<dynamic>(
|
|
boxName: walletId,
|
|
key: 'latest_lelantus_tx_model') as models.TransactionData?;
|
|
|
|
if (latestModel == null) {
|
|
final emptyModel = {"dateTimeChunks": <dynamic>[]};
|
|
return models.TransactionData.fromJson(emptyModel);
|
|
} else {
|
|
Logging.instance
|
|
.log("Old transaction model located", level: LogLevel.Warning);
|
|
return latestModel;
|
|
}
|
|
}
|
|
|
|
/// Returns the latest receiving/change (external/internal) address for the wallet depending on [chain]
|
|
/// [chain] - Use 0 for receiving (external), 1 for change (internal). Should not be any other value!
|
|
Future<String> _getCurrentAddressForChain(int chain) async {
|
|
if (chain == 0) {
|
|
final externalChainArray = (DB.instance.get<dynamic>(
|
|
boxName: walletId, key: 'receivingAddresses')) as List<dynamic>;
|
|
return externalChainArray.last as String;
|
|
} else {
|
|
// Here, we assume that chain == 1
|
|
final internalChainArray =
|
|
(DB.instance.get<dynamic>(boxName: walletId, key: 'changeAddresses'))
|
|
as List<dynamic>;
|
|
return internalChainArray.last as String;
|
|
}
|
|
}
|
|
|
|
Future<void> fillAddresses(String suppliedMnemonic,
|
|
{int perBatch = 50, int numberOfThreads = 4}) async {
|
|
if (numberOfThreads <= 0) {
|
|
numberOfThreads = 1;
|
|
}
|
|
if (Platform.environment["FLUTTER_TEST"] == "true" || integrationTestFlag) {
|
|
perBatch = 10;
|
|
numberOfThreads = 4;
|
|
}
|
|
|
|
final receiveDerivationsString =
|
|
await _secureStore.read(key: "${walletId}_receiveDerivations");
|
|
final changeDerivationsString =
|
|
await _secureStore.read(key: "${walletId}_changeDerivations");
|
|
|
|
var receiveDerivations = Map<String, dynamic>.from(
|
|
jsonDecode(receiveDerivationsString ?? "{}") as Map);
|
|
var changeDerivations = Map<String, dynamic>.from(
|
|
jsonDecode(changeDerivationsString ?? "{}") as Map);
|
|
|
|
final int start = receiveDerivations.length;
|
|
|
|
List<ReceivePort> ports = List.empty(growable: true);
|
|
for (int i = 0; i < numberOfThreads; i++) {
|
|
ReceivePort receivePort = await getIsolate({
|
|
"function": "isolateDerive",
|
|
"mnemonic": suppliedMnemonic,
|
|
"from": start + i * perBatch,
|
|
"to": start + (i + 1) * perBatch,
|
|
"network": _network,
|
|
});
|
|
ports.add(receivePort);
|
|
}
|
|
for (int i = 0; i < numberOfThreads; i++) {
|
|
ReceivePort receivePort = ports.elementAt(i);
|
|
var message = await receivePort.first;
|
|
if (message is String) {
|
|
Logging.instance.log("this is a string", level: LogLevel.Error);
|
|
stop(receivePort);
|
|
throw Exception("isolateDerive isolate failed");
|
|
}
|
|
stop(receivePort);
|
|
Logging.instance.log('Closing isolateDerive!', level: LogLevel.Info);
|
|
receiveDerivations.addAll(message['receive'] as Map<String, dynamic>);
|
|
changeDerivations.addAll(message['change'] as Map<String, dynamic>);
|
|
}
|
|
Logging.instance.log("isolate derives", level: LogLevel.Info);
|
|
// Logging.instance.log(receiveDerivations);
|
|
// Logging.instance.log(changeDerivations);
|
|
|
|
final newReceiveDerivationsString = jsonEncode(receiveDerivations);
|
|
final newChangeDerivationsString = jsonEncode(changeDerivations);
|
|
|
|
await _secureStore.write(
|
|
key: "${walletId}_receiveDerivations",
|
|
value: newReceiveDerivationsString);
|
|
await _secureStore.write(
|
|
key: "${walletId}_changeDerivations",
|
|
value: newChangeDerivationsString);
|
|
}
|
|
|
|
/// Generates a new internal or external chain address for the wallet using a BIP84 derivation path.
|
|
/// [chain] - Use 0 for receiving (external), 1 for change (internal). Should not be any other value!
|
|
/// [index] - This can be any integer >= 0
|
|
Future<String> _generateAddressForChain(int chain, int index) async {
|
|
// final wallet = await Hive.openBox(this._walletId);
|
|
final mnemonic = await _secureStore.read(key: '${_walletId}_mnemonic');
|
|
Map<String, dynamic>? derivations;
|
|
if (chain == 0) {
|
|
final receiveDerivationsString =
|
|
await _secureStore.read(key: "${walletId}_receiveDerivations");
|
|
derivations = Map<String, dynamic>.from(
|
|
jsonDecode(receiveDerivationsString ?? "{}") as Map);
|
|
} else if (chain == 1) {
|
|
final changeDerivationsString =
|
|
await _secureStore.read(key: "${walletId}_changeDerivations");
|
|
derivations = Map<String, dynamic>.from(
|
|
jsonDecode(changeDerivationsString ?? "{}") as Map);
|
|
}
|
|
|
|
if (derivations!.isNotEmpty) {
|
|
if (derivations["$index"] == null) {
|
|
await fillAddresses(mnemonic!,
|
|
numberOfThreads: Platform.numberOfProcessors - isolates.length - 1);
|
|
Logging.instance.log("calling _generateAddressForChain recursively",
|
|
level: LogLevel.Info);
|
|
return _generateAddressForChain(chain, index);
|
|
}
|
|
return derivations["$index"]['address'] as String;
|
|
} else {
|
|
final node = await compute(
|
|
getBip32NodeWrapper, Tuple4(chain, index, mnemonic!, _network));
|
|
return P2PKH(network: _network, data: PaymentData(pubkey: node.publicKey))
|
|
.data
|
|
.address!;
|
|
}
|
|
}
|
|
|
|
/// Increases the index for either the internal or external chain, depending on [chain].
|
|
/// [chain] - Use 0 for receiving (external), 1 for change (internal). Should not be any other value!
|
|
Future<void> incrementAddressIndexForChain(int chain) async {
|
|
if (chain == 0) {
|
|
final newIndex =
|
|
DB.instance.get<dynamic>(boxName: walletId, key: 'receivingIndex') +
|
|
1;
|
|
await DB.instance.put<dynamic>(
|
|
boxName: walletId, key: 'receivingIndex', value: newIndex);
|
|
} else {
|
|
// Here we assume chain == 1 since it can only be either 0 or 1
|
|
final newIndex =
|
|
DB.instance.get<dynamic>(boxName: walletId, key: 'changeIndex') + 1;
|
|
await DB.instance
|
|
.put<dynamic>(boxName: walletId, key: 'changeIndex', value: newIndex);
|
|
}
|
|
}
|
|
|
|
/// Adds [address] to the relevant chain's address array, which is determined by [chain].
|
|
/// [address] - Expects a standard native segwit address
|
|
/// [chain] - Use 0 for receiving (external), 1 for change (internal). Should not be any other value!
|
|
Future<void> addToAddressesArrayForChain(String address, int chain) async {
|
|
String chainArray = '';
|
|
if (chain == 0) {
|
|
chainArray = 'receivingAddresses';
|
|
} else {
|
|
chainArray = 'changeAddresses';
|
|
}
|
|
|
|
final addressArray =
|
|
DB.instance.get<dynamic>(boxName: walletId, key: chainArray);
|
|
if (addressArray == null) {
|
|
Logging.instance.log(
|
|
'Attempting to add the following to array for chain $chain:${[
|
|
address
|
|
]}',
|
|
level: LogLevel.Info);
|
|
await DB.instance
|
|
.put<dynamic>(boxName: walletId, key: chainArray, value: [address]);
|
|
} else {
|
|
// Make a deep copy of the existing list
|
|
final List<String> newArray = [];
|
|
addressArray
|
|
.forEach((dynamic _address) => newArray.add(_address as String));
|
|
newArray.add(address); // Add the address passed into the method
|
|
await DB.instance
|
|
.put<dynamic>(boxName: walletId, key: chainArray, value: newArray);
|
|
}
|
|
}
|
|
|
|
/// Takes in a list of UtxoObjects and adds a name (dependent on object index within list)
|
|
/// and checks for the txid associated with the utxo being blocked and marks it accordingly.
|
|
/// Now also checks for output labeling.
|
|
Future<void> _sortOutputs(List<UtxoObject> utxos) async {
|
|
final blockedHashArray =
|
|
DB.instance.get<dynamic>(boxName: walletId, key: 'blocked_tx_hashes')
|
|
as List<dynamic>?;
|
|
final List<String> lst = [];
|
|
if (blockedHashArray != null) {
|
|
for (var hash in blockedHashArray) {
|
|
lst.add(hash as String);
|
|
}
|
|
}
|
|
final labels =
|
|
DB.instance.get<dynamic>(boxName: walletId, key: 'labels') as Map? ??
|
|
{};
|
|
|
|
_outputsList = [];
|
|
|
|
for (var i = 0; i < utxos.length; i++) {
|
|
if (labels[utxos[i].txid] != null) {
|
|
utxos[i].txName = labels[utxos[i].txid] as String? ?? "";
|
|
} else {
|
|
utxos[i].txName = 'Output #$i';
|
|
}
|
|
|
|
if (utxos[i].status.confirmed == false) {
|
|
_outputsList.add(utxos[i]);
|
|
} else {
|
|
if (lst.contains(utxos[i].txid)) {
|
|
utxos[i].blocked = true;
|
|
_outputsList.add(utxos[i]);
|
|
} else if (!lst.contains(utxos[i].txid)) {
|
|
_outputsList.add(utxos[i]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
@override
|
|
Future<void> fullRescan(
|
|
int maxUnusedAddressGap,
|
|
int maxNumberOfIndexesToCheck,
|
|
) async {
|
|
Logging.instance.log("Starting full rescan!", level: LogLevel.Info);
|
|
// timer?.cancel();
|
|
// for (final isolate in isolates.values) {
|
|
// isolate.kill(priority: Isolate.immediate);
|
|
// }
|
|
// isolates.clear();
|
|
longMutex = true;
|
|
GlobalEventBus.instance.fire(
|
|
WalletSyncStatusChangedEvent(
|
|
WalletSyncStatus.syncing,
|
|
walletId,
|
|
coin,
|
|
),
|
|
);
|
|
|
|
// clear cache
|
|
await _cachedElectrumXClient.clearSharedTransactionCache(coin: coin);
|
|
|
|
// back up data
|
|
await _rescanBackup();
|
|
|
|
try {
|
|
final mnemonic = await _secureStore.read(key: '${_walletId}_mnemonic');
|
|
await _recoverWalletFromBIP32SeedPhrase(mnemonic!, maxUnusedAddressGap);
|
|
|
|
longMutex = false;
|
|
Logging.instance.log("Full rescan complete!", level: LogLevel.Info);
|
|
GlobalEventBus.instance.fire(
|
|
WalletSyncStatusChangedEvent(
|
|
WalletSyncStatus.synced,
|
|
walletId,
|
|
coin,
|
|
),
|
|
);
|
|
} catch (e, s) {
|
|
GlobalEventBus.instance.fire(
|
|
WalletSyncStatusChangedEvent(
|
|
WalletSyncStatus.unableToSync,
|
|
walletId,
|
|
coin,
|
|
),
|
|
);
|
|
|
|
// restore from backup
|
|
await _rescanRestore();
|
|
|
|
longMutex = false;
|
|
Logging.instance.log("Exception rethrown from fullRescan(): $e\n$s",
|
|
level: LogLevel.Error);
|
|
rethrow;
|
|
}
|
|
}
|
|
|
|
Future<void> _rescanBackup() async {
|
|
Logging.instance.log("starting rescan backup", level: LogLevel.Info);
|
|
|
|
// backup current and clear data
|
|
final tempReceivingAddresses =
|
|
DB.instance.get<dynamic>(boxName: walletId, key: 'receivingAddresses');
|
|
await DB.instance.delete<dynamic>(
|
|
key: 'receivingAddresses',
|
|
boxName: walletId,
|
|
);
|
|
await DB.instance.put<dynamic>(
|
|
boxName: walletId,
|
|
key: 'receivingAddresses_BACKUP',
|
|
value: tempReceivingAddresses);
|
|
|
|
final tempChangeAddresses =
|
|
DB.instance.get<dynamic>(boxName: walletId, key: 'changeAddresses');
|
|
await DB.instance.delete<dynamic>(
|
|
key: 'changeAddresses',
|
|
boxName: walletId,
|
|
);
|
|
await DB.instance.put<dynamic>(
|
|
boxName: walletId,
|
|
key: 'changeAddresses_BACKUP',
|
|
value: tempChangeAddresses);
|
|
|
|
final tempReceivingIndex =
|
|
DB.instance.get<dynamic>(boxName: walletId, key: 'receivingIndex');
|
|
await DB.instance.delete<dynamic>(
|
|
key: 'receivingIndex',
|
|
boxName: walletId,
|
|
);
|
|
await DB.instance.put<dynamic>(
|
|
boxName: walletId,
|
|
key: 'receivingIndex_BACKUP',
|
|
value: tempReceivingIndex);
|
|
|
|
final tempChangeIndex =
|
|
DB.instance.get<dynamic>(boxName: walletId, key: 'changeIndex');
|
|
await DB.instance.delete<dynamic>(
|
|
key: 'changeIndex',
|
|
boxName: walletId,
|
|
);
|
|
await DB.instance.put<dynamic>(
|
|
boxName: walletId, key: 'changeIndex_BACKUP', value: tempChangeIndex);
|
|
|
|
final receiveDerivationsString =
|
|
await _secureStore.read(key: "${walletId}_receiveDerivations");
|
|
final changeDerivationsString =
|
|
await _secureStore.read(key: "${walletId}_changeDerivations");
|
|
|
|
await _secureStore.write(
|
|
key: "${walletId}_receiveDerivations_BACKUP",
|
|
value: receiveDerivationsString);
|
|
await _secureStore.write(
|
|
key: "${walletId}_changeDerivations_BACKUP",
|
|
value: changeDerivationsString);
|
|
|
|
await _secureStore.write(
|
|
key: "${walletId}_receiveDerivations", value: null);
|
|
await _secureStore.write(key: "${walletId}_changeDerivations", value: null);
|
|
|
|
// back up but no need to delete
|
|
final tempMintIndex =
|
|
DB.instance.get<dynamic>(boxName: walletId, key: 'mintIndex');
|
|
await DB.instance.put<dynamic>(
|
|
boxName: walletId, key: 'mintIndex_BACKUP', value: tempMintIndex);
|
|
|
|
final tempLelantusCoins =
|
|
DB.instance.get<dynamic>(boxName: walletId, key: '_lelantus_coins');
|
|
await DB.instance.put<dynamic>(
|
|
boxName: walletId,
|
|
key: '_lelantus_coins_BACKUP',
|
|
value: tempLelantusCoins);
|
|
|
|
final tempJIndex =
|
|
DB.instance.get<dynamic>(boxName: walletId, key: 'jindex');
|
|
await DB.instance.put<dynamic>(
|
|
boxName: walletId, key: 'jindex_BACKUP', value: tempJIndex);
|
|
|
|
final tempLelantusTxModel = DB.instance
|
|
.get<dynamic>(boxName: walletId, key: 'latest_lelantus_tx_model');
|
|
await DB.instance.put<dynamic>(
|
|
boxName: walletId,
|
|
key: 'latest_lelantus_tx_model_BACKUP',
|
|
value: tempLelantusTxModel);
|
|
|
|
Logging.instance.log("rescan backup complete", level: LogLevel.Info);
|
|
}
|
|
|
|
Future<void> _rescanRestore() async {
|
|
Logging.instance.log("starting rescan restore", level: LogLevel.Info);
|
|
|
|
// restore from backup
|
|
final tempReceivingAddresses = DB.instance
|
|
.get<dynamic>(boxName: walletId, key: 'receivingAddresses_BACKUP');
|
|
final tempChangeAddresses = DB.instance
|
|
.get<dynamic>(boxName: walletId, key: 'changeAddresses_BACKUP');
|
|
final tempReceivingIndex = DB.instance
|
|
.get<dynamic>(boxName: walletId, key: 'receivingIndex_BACKUP');
|
|
final tempChangeIndex =
|
|
DB.instance.get<dynamic>(boxName: walletId, key: 'changeIndex_BACKUP');
|
|
final tempMintIndex =
|
|
DB.instance.get<dynamic>(boxName: walletId, key: 'mintIndex_BACKUP');
|
|
final tempLelantusCoins = DB.instance
|
|
.get<dynamic>(boxName: walletId, key: '_lelantus_coins_BACKUP');
|
|
final tempJIndex =
|
|
DB.instance.get<dynamic>(boxName: walletId, key: 'jindex_BACKUP');
|
|
final tempLelantusTxModel = DB.instance.get<dynamic>(
|
|
boxName: walletId, key: 'latest_lelantus_tx_model_BACKUP');
|
|
|
|
final receiveDerivationsString =
|
|
await _secureStore.read(key: "${walletId}_receiveDerivations_BACKUP");
|
|
final changeDerivationsString =
|
|
await _secureStore.read(key: "${walletId}_changeDerivations_BACKUP");
|
|
|
|
await _secureStore.write(
|
|
key: "${walletId}_receiveDerivations", value: receiveDerivationsString);
|
|
await _secureStore.write(
|
|
key: "${walletId}_changeDerivations", value: changeDerivationsString);
|
|
|
|
await DB.instance.put<dynamic>(
|
|
boxName: walletId,
|
|
key: 'receivingAddresses',
|
|
value: tempReceivingAddresses);
|
|
await DB.instance.put<dynamic>(
|
|
boxName: walletId, key: 'changeAddresses', value: tempChangeAddresses);
|
|
await DB.instance.put<dynamic>(
|
|
boxName: walletId, key: 'receivingIndex', value: tempReceivingIndex);
|
|
await DB.instance.put<dynamic>(
|
|
boxName: walletId, key: 'changeIndex', value: tempChangeIndex);
|
|
await DB.instance.put<dynamic>(
|
|
boxName: walletId, key: 'mintIndex', value: tempMintIndex);
|
|
await DB.instance.put<dynamic>(
|
|
boxName: walletId, key: '_lelantus_coins', value: tempLelantusCoins);
|
|
await DB.instance
|
|
.put<dynamic>(boxName: walletId, key: 'jindex', value: tempJIndex);
|
|
await DB.instance.put<dynamic>(
|
|
boxName: walletId,
|
|
key: 'latest_lelantus_tx_model',
|
|
value: tempLelantusTxModel);
|
|
|
|
Logging.instance.log("rescan restore complete", level: LogLevel.Info);
|
|
}
|
|
|
|
/// wrapper for _recoverWalletFromBIP32SeedPhrase()
|
|
@override
|
|
Future<void> recoverFromMnemonic({
|
|
required String mnemonic,
|
|
required int maxUnusedAddressGap,
|
|
required int maxNumberOfIndexesToCheck,
|
|
required int height,
|
|
}) async {
|
|
try {
|
|
await compute(
|
|
_setTestnetWrapper,
|
|
coin == Coin.firoTestNet,
|
|
);
|
|
Logging.instance.log("IS_INTEGRATION_TEST: $integrationTestFlag",
|
|
level: LogLevel.Info);
|
|
if (!integrationTestFlag) {
|
|
final features = await electrumXClient.getServerFeatures();
|
|
Logging.instance.log("features: $features", level: LogLevel.Info);
|
|
switch (coin) {
|
|
case Coin.firo:
|
|
if (features['genesis_hash'] != GENESIS_HASH_MAINNET) {
|
|
throw Exception("genesis hash does not match main net!");
|
|
}
|
|
break;
|
|
case Coin.firoTestNet:
|
|
if (features['genesis_hash'] != GENESIS_HASH_TESTNET) {
|
|
throw Exception("genesis hash does not match test net!");
|
|
}
|
|
break;
|
|
default:
|
|
throw Exception(
|
|
"Attempted to generate a FiroWallet using a non firo coin type: ${coin.name}");
|
|
}
|
|
// if (_networkType == BasicNetworkType.main) {
|
|
// if (features['genesis_hash'] != GENESIS_HASH_MAINNET) {
|
|
// throw Exception("genesis hash does not match main net!");
|
|
// }
|
|
// } else if (_networkType == BasicNetworkType.test) {
|
|
// if (features['genesis_hash'] != GENESIS_HASH_TESTNET) {
|
|
// throw Exception("genesis hash does not match test net!");
|
|
// }
|
|
// }
|
|
}
|
|
// this should never fail
|
|
if ((await _secureStore.read(key: '${_walletId}_mnemonic')) != null) {
|
|
throw Exception("Attempted to overwrite mnemonic on restore!");
|
|
}
|
|
await _secureStore.write(
|
|
key: '${_walletId}_mnemonic', value: mnemonic.trim());
|
|
await _recoverWalletFromBIP32SeedPhrase(
|
|
mnemonic.trim(), maxUnusedAddressGap);
|
|
|
|
await compute(
|
|
_setTestnetWrapper,
|
|
false,
|
|
);
|
|
} catch (e, s) {
|
|
await compute(
|
|
_setTestnetWrapper,
|
|
false,
|
|
);
|
|
Logging.instance.log(
|
|
"Exception rethrown from recoverFromMnemonic(): $e\n$s",
|
|
level: LogLevel.Error);
|
|
rethrow;
|
|
}
|
|
}
|
|
|
|
bool longMutex = false;
|
|
|
|
Future<Map<int, dynamic>> getSetDataMap(int latestSetId) async {
|
|
final Map<int, dynamic> setDataMap = {};
|
|
final anonymitySets = await fetchAnonymitySets();
|
|
for (int setId = 1; setId <= latestSetId; setId++) {
|
|
final setData = anonymitySets
|
|
.firstWhere((element) => element["setId"] == setId, orElse: () => {});
|
|
|
|
if (setData.isNotEmpty) {
|
|
setDataMap[setId] = setData;
|
|
}
|
|
}
|
|
return setDataMap;
|
|
}
|
|
|
|
Future<void> _makeDerivations(
|
|
String suppliedMnemonic, int maxUnusedAddressGap) async {
|
|
List<String> receivingAddressArray = [];
|
|
List<String> changeAddressArray = [];
|
|
|
|
int receivingIndex = -1;
|
|
int changeIndex = -1;
|
|
|
|
// The gap limit will be capped at 20
|
|
int receivingGapCounter = 0;
|
|
int changeGapCounter = 0;
|
|
|
|
await fillAddresses(suppliedMnemonic,
|
|
numberOfThreads: Platform.numberOfProcessors - isolates.length - 1);
|
|
|
|
final receiveDerivationsString =
|
|
await _secureStore.read(key: "${walletId}_receiveDerivations");
|
|
final changeDerivationsString =
|
|
await _secureStore.read(key: "${walletId}_changeDerivations");
|
|
|
|
final receiveDerivations = Map<String, dynamic>.from(
|
|
jsonDecode(receiveDerivationsString ?? "{}") as Map);
|
|
final changeDerivations = Map<String, dynamic>.from(
|
|
jsonDecode(changeDerivationsString ?? "{}") as Map);
|
|
|
|
// log("rcv: $receiveDerivations");
|
|
// log("chg: $changeDerivations");
|
|
|
|
// Deriving and checking for receiving addresses
|
|
for (var i = 0; i < receiveDerivations.length; i++) {
|
|
// Break out of loop when receivingGapCounter hits maxUnusedAddressGap
|
|
// Same gap limit for change as for receiving, breaks when it hits maxUnusedAddressGap
|
|
if (receivingGapCounter >= maxUnusedAddressGap &&
|
|
changeGapCounter >= maxUnusedAddressGap) {
|
|
break;
|
|
}
|
|
|
|
final receiveDerivation = receiveDerivations["$i"];
|
|
final address = receiveDerivation['address'] as String;
|
|
|
|
final changeDerivation = changeDerivations["$i"];
|
|
final _address = changeDerivation['address'] as String;
|
|
Future<int>? futureNumTxs;
|
|
Future<int>? _futureNumTxs;
|
|
if (receivingGapCounter < maxUnusedAddressGap) {
|
|
futureNumTxs = _getReceivedTxCount(address: address);
|
|
}
|
|
if (changeGapCounter < maxUnusedAddressGap) {
|
|
_futureNumTxs = _getReceivedTxCount(address: _address);
|
|
}
|
|
try {
|
|
if (futureNumTxs != null) {
|
|
int numTxs = await futureNumTxs;
|
|
if (numTxs >= 1) {
|
|
receivingIndex = i;
|
|
receivingAddressArray.add(address);
|
|
} else if (numTxs == 0) {
|
|
receivingGapCounter += 1;
|
|
}
|
|
}
|
|
} catch (e, s) {
|
|
Logging.instance.log(
|
|
"Exception rethrown from recoverWalletFromBIP32SeedPhrase(): $e\n$s",
|
|
level: LogLevel.Error);
|
|
rethrow;
|
|
}
|
|
|
|
try {
|
|
if (_futureNumTxs != null) {
|
|
int numTxs = await _futureNumTxs;
|
|
if (numTxs >= 1) {
|
|
changeIndex = i;
|
|
changeAddressArray.add(_address);
|
|
} else if (numTxs == 0) {
|
|
changeGapCounter += 1;
|
|
}
|
|
}
|
|
} catch (e, s) {
|
|
Logging.instance.log(
|
|
"Exception rethrown from recoverWalletFromBIP32SeedPhrase(): $e\n$s",
|
|
level: LogLevel.Error);
|
|
rethrow;
|
|
}
|
|
}
|
|
|
|
// If restoring a wallet that never received any funds, then set receivingArray manually
|
|
// If we didn't do this, it'd store an empty array
|
|
if (receivingIndex == -1) {
|
|
final String receivingAddress = await _generateAddressForChain(0, 0);
|
|
receivingAddressArray.add(receivingAddress);
|
|
}
|
|
|
|
// If restoring a wallet that never sent any funds with change, then set changeArray
|
|
// manually. If we didn't do this, it'd store an empty array.
|
|
if (changeIndex == -1) {
|
|
final String changeAddress = await _generateAddressForChain(1, 0);
|
|
changeAddressArray.add(changeAddress);
|
|
}
|
|
|
|
await DB.instance.put<dynamic>(
|
|
boxName: walletId,
|
|
key: 'receivingAddresses',
|
|
value: receivingAddressArray);
|
|
await DB.instance.put<dynamic>(
|
|
boxName: walletId, key: 'changeAddresses', value: changeAddressArray);
|
|
await DB.instance.put<dynamic>(
|
|
boxName: walletId,
|
|
key: 'receivingIndex',
|
|
value: receivingIndex == -1 ? 0 : receivingIndex);
|
|
await DB.instance.put<dynamic>(
|
|
boxName: walletId,
|
|
key: 'changeIndex',
|
|
value: changeIndex == -1 ? 0 : changeIndex);
|
|
}
|
|
|
|
/// Recovers wallet from [suppliedMnemonic]. Expects a valid mnemonic.
|
|
Future<void> _recoverWalletFromBIP32SeedPhrase(
|
|
String suppliedMnemonic, int maxUnusedAddressGap) async {
|
|
longMutex = true;
|
|
Logging.instance
|
|
.log("PROCESSORS ${Platform.numberOfProcessors}", level: LogLevel.Info);
|
|
try {
|
|
final latestSetId = await getLatestSetId();
|
|
final setDataMap = getSetDataMap(latestSetId);
|
|
final usedSerialNumbers = getUsedCoinSerials();
|
|
final makeDerivations =
|
|
_makeDerivations(suppliedMnemonic, maxUnusedAddressGap);
|
|
|
|
await DB.instance
|
|
.put<dynamic>(boxName: walletId, key: "id", value: _walletId);
|
|
await DB.instance
|
|
.put<dynamic>(boxName: walletId, key: "isFavorite", value: false);
|
|
|
|
await Future.wait([usedSerialNumbers, setDataMap, makeDerivations]);
|
|
|
|
await _restore(latestSetId, await setDataMap, await usedSerialNumbers);
|
|
longMutex = false;
|
|
} catch (e, s) {
|
|
longMutex = false;
|
|
Logging.instance.log(
|
|
"Exception rethrown from recoverWalletFromBIP32SeedPhrase(): $e\n$s",
|
|
level: LogLevel.Error);
|
|
rethrow;
|
|
}
|
|
}
|
|
|
|
Future<void> _restore(int latestSetId, Map<dynamic, dynamic> setDataMap,
|
|
dynamic usedSerialNumbers) async {
|
|
final mnemonic = await _secureStore.read(key: '${_walletId}_mnemonic');
|
|
final dataFuture = _txnData;
|
|
final String currency = _prefs.currency;
|
|
final Decimal currentPrice = await firoPrice;
|
|
|
|
ReceivePort receivePort = await getIsolate({
|
|
"function": "restore",
|
|
"mnemonic": mnemonic,
|
|
"coin": coin,
|
|
"latestSetId": latestSetId,
|
|
"setDataMap": setDataMap,
|
|
"usedSerialNumbers": usedSerialNumbers,
|
|
"network": _network,
|
|
});
|
|
|
|
await Future.wait([dataFuture]);
|
|
var result = await receivePort.first;
|
|
if (result is String) {
|
|
Logging.instance
|
|
.log("restore() ->> this is a string", level: LogLevel.Error);
|
|
stop(receivePort);
|
|
throw Exception("isolate restore failed.");
|
|
}
|
|
stop(receivePort);
|
|
|
|
final message = await staticProcessRestore(
|
|
(await dataFuture), result as Map<dynamic, dynamic>);
|
|
|
|
await DB.instance.put<dynamic>(
|
|
boxName: walletId, key: 'mintIndex', value: message['mintIndex']);
|
|
await DB.instance.put<dynamic>(
|
|
boxName: walletId,
|
|
key: '_lelantus_coins',
|
|
value: message['_lelantus_coins']);
|
|
await DB.instance.put<dynamic>(
|
|
boxName: walletId, key: 'jindex', value: message['jindex']);
|
|
|
|
final transactionMap =
|
|
message["newTxMap"] as Map<String, models.Transaction>;
|
|
|
|
// Create the joinsplit transactions.
|
|
final spendTxs = await getJMintTransactions(
|
|
_cachedElectrumXClient,
|
|
message["spendTxIds"] as List<String>,
|
|
currency,
|
|
coin,
|
|
currentPrice,
|
|
(await Devicelocale.currentLocale)!);
|
|
Logging.instance.log(spendTxs, level: LogLevel.Info);
|
|
for (var element in spendTxs) {
|
|
transactionMap[element.txid] = element;
|
|
}
|
|
|
|
final models.TransactionData newTxData =
|
|
models.TransactionData.fromMap(transactionMap);
|
|
|
|
_lelantusTransactionData = Future(() => newTxData);
|
|
|
|
await DB.instance.put<dynamic>(
|
|
boxName: walletId, key: 'latest_lelantus_tx_model', value: newTxData);
|
|
}
|
|
|
|
Future<List<Map<String, dynamic>>> fetchAnonymitySets() async {
|
|
try {
|
|
final latestSetId = await getLatestSetId();
|
|
|
|
final List<Map<String, dynamic>> sets = [];
|
|
List<Future<Map<String, dynamic>>> anonFutures = [];
|
|
for (int i = 1; i <= latestSetId; i++) {
|
|
final set = cachedElectrumXClient.getAnonymitySet(
|
|
groupId: "$i",
|
|
coin: coin,
|
|
);
|
|
anonFutures.add(set);
|
|
}
|
|
await Future.wait(anonFutures);
|
|
for (int i = 1; i <= latestSetId; i++) {
|
|
Map<String, dynamic> set = (await anonFutures[i - 1]);
|
|
set["setId"] = i;
|
|
sets.add(set);
|
|
}
|
|
return sets;
|
|
} catch (e, s) {
|
|
Logging.instance.log(
|
|
"Exception rethrown from refreshAnonymitySets: $e\n$s",
|
|
level: LogLevel.Error);
|
|
rethrow;
|
|
}
|
|
}
|
|
|
|
Future<dynamic> _createJoinSplitTransaction(
|
|
int spendAmount, String address, bool subtractFeeFromAmount) async {
|
|
final price = await firoPrice;
|
|
final mnemonic = await _secureStore.read(key: '${_walletId}_mnemonic');
|
|
final index = DB.instance.get<dynamic>(boxName: walletId, key: 'mintIndex');
|
|
final lelantusEntry = await _getLelantusEntry();
|
|
final anonymitySets = await fetchAnonymitySets();
|
|
final locktime = await getBlockHead(electrumXClient);
|
|
final locale = await Devicelocale.currentLocale;
|
|
|
|
ReceivePort receivePort = await getIsolate({
|
|
"function": "createJoinSplit",
|
|
"spendAmount": spendAmount,
|
|
"address": address,
|
|
"subtractFeeFromAmount": subtractFeeFromAmount,
|
|
"mnemonic": mnemonic,
|
|
"index": index,
|
|
"price": price,
|
|
"lelantusEntries": lelantusEntry,
|
|
"locktime": locktime,
|
|
"coin": coin,
|
|
"network": _network,
|
|
"_anonymity_sets": anonymitySets,
|
|
"locale": locale,
|
|
});
|
|
var message = await receivePort.first;
|
|
if (message is String) {
|
|
Logging.instance
|
|
.log("Error in CreateJoinSplit: $message", level: LogLevel.Error);
|
|
stop(receivePort);
|
|
return 3;
|
|
}
|
|
if (message is int) {
|
|
stop(receivePort);
|
|
return message;
|
|
}
|
|
stop(receivePort);
|
|
Logging.instance.log('Closing createJoinSplit!', level: LogLevel.Info);
|
|
return message;
|
|
}
|
|
|
|
Future<int> getLatestSetId() async {
|
|
try {
|
|
final id = await electrumXClient.getLatestCoinId();
|
|
return id;
|
|
} catch (e, s) {
|
|
Logging.instance.log("Exception rethrown in firo_wallet.dart: $e\n$s",
|
|
level: LogLevel.Error);
|
|
rethrow;
|
|
}
|
|
}
|
|
|
|
Future<List<dynamic>> getUsedCoinSerials() async {
|
|
try {
|
|
final response = await cachedElectrumXClient.getUsedCoinSerials(
|
|
coin: coin,
|
|
);
|
|
return response;
|
|
} catch (e, s) {
|
|
Logging.instance.log("Exception rethrown in firo_wallet.dart: $e\n$s",
|
|
level: LogLevel.Error);
|
|
rethrow;
|
|
}
|
|
}
|
|
|
|
@override
|
|
Future<void> exit() async {
|
|
_hasCalledExit = true;
|
|
timer?.cancel();
|
|
timer = null;
|
|
stopNetworkAlivePinging();
|
|
for (final isolate in isolates.values) {
|
|
isolate.kill(priority: Isolate.immediate);
|
|
}
|
|
isolates.clear();
|
|
Logging.instance
|
|
.log("$walletName firo_wallet exit finished", level: LogLevel.Info);
|
|
}
|
|
|
|
bool _hasCalledExit = false;
|
|
|
|
@override
|
|
bool get hasCalledExit => _hasCalledExit;
|
|
|
|
bool isActive = false;
|
|
|
|
@override
|
|
void Function(bool)? get onIsActiveWalletChanged => (isActive) async {
|
|
timer?.cancel();
|
|
timer = null;
|
|
if (isActive) {
|
|
await compute(
|
|
_setTestnetWrapper,
|
|
coin == Coin.firoTestNet,
|
|
);
|
|
} else {
|
|
await compute(
|
|
_setTestnetWrapper,
|
|
false,
|
|
);
|
|
}
|
|
this.isActive = isActive;
|
|
};
|
|
|
|
Future<dynamic> getCoinsToJoinSplit(
|
|
int required,
|
|
) async {
|
|
List<DartLelantusEntry> coins = await _getLelantusEntry();
|
|
if (required > LELANTUS_VALUE_SPEND_LIMIT_PER_TRANSACTION) {
|
|
return false;
|
|
}
|
|
|
|
int availableBalance = coins.fold(
|
|
0, (previousValue, element) => previousValue + element.amount);
|
|
|
|
if (required > availableBalance) {
|
|
return false;
|
|
}
|
|
|
|
// sort by biggest amount. if it is same amount we will prefer the older block
|
|
coins.sort((a, b) =>
|
|
(a.amount != b.amount ? a.amount > b.amount : a.height < b.height)
|
|
? -1
|
|
: 1);
|
|
int spendVal = 0;
|
|
|
|
List<DartLelantusEntry> coinsToSpend = [];
|
|
|
|
while (spendVal < required) {
|
|
if (coins.isEmpty) {
|
|
break;
|
|
}
|
|
|
|
DartLelantusEntry? chosen;
|
|
int need = required - spendVal;
|
|
|
|
var itr = coins.first;
|
|
if (need >= itr.amount) {
|
|
chosen = itr;
|
|
coins.remove(itr);
|
|
} else {
|
|
for (int index = coins.length - 1; index != 0; index--) {
|
|
var coinIt = coins[index];
|
|
var nextItr = coins[index - 1];
|
|
|
|
if (coinIt.amount >= need &&
|
|
(index - 1 == 0 || nextItr.amount != coinIt.amount)) {
|
|
chosen = coinIt;
|
|
coins.remove(chosen);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// TODO: investigate the bug here where chosen is null, conditions, given one mint
|
|
spendVal += chosen!.amount;
|
|
coinsToSpend.insert(coinsToSpend.length, chosen);
|
|
}
|
|
|
|
// sort by group id ay ascending order. it is mandatory for creating proper joinsplit
|
|
coinsToSpend.sort((a, b) => a.anonymitySetId < b.anonymitySetId ? 1 : -1);
|
|
|
|
int changeToMint = spendVal - required;
|
|
List<int> indices = [];
|
|
for (var l in coinsToSpend) {
|
|
indices.add(l.index);
|
|
}
|
|
List<DartLelantusEntry> coinsToBeSpentOut = [];
|
|
coinsToBeSpentOut.addAll(coinsToSpend);
|
|
|
|
return {"changeToMint": changeToMint, "coinsToSpend": coinsToBeSpentOut};
|
|
}
|
|
|
|
Future<int> estimateJoinSplitFee(
|
|
int spendAmount,
|
|
) async {
|
|
var lelantusEntry = await _getLelantusEntry();
|
|
final balance = await availableBalance;
|
|
int spendAmount =
|
|
(balance * Decimal.fromInt(Constants.satsPerCoin)).toBigInt().toInt();
|
|
if (spendAmount == 0 || lelantusEntry.isEmpty) {
|
|
return LelantusFeeData(0, 0, []).fee;
|
|
}
|
|
ReceivePort receivePort = await getIsolate({
|
|
"function": "estimateJoinSplit",
|
|
"spendAmount": spendAmount,
|
|
"subtractFeeFromAmount": true,
|
|
"lelantusEntries": lelantusEntry,
|
|
"coin": coin,
|
|
});
|
|
|
|
final message = await receivePort.first;
|
|
if (message is String) {
|
|
Logging.instance.log("this is a string", level: LogLevel.Error);
|
|
stop(receivePort);
|
|
throw Exception("_fetchMaxFee isolate failed");
|
|
}
|
|
stop(receivePort);
|
|
Logging.instance.log('Closing estimateJoinSplit!', level: LogLevel.Info);
|
|
return (message as LelantusFeeData).fee;
|
|
}
|
|
// int fee;
|
|
// int size;
|
|
//
|
|
// for (fee = 0;;) {
|
|
// int currentRequired = spendAmount;
|
|
//
|
|
// TODO: investigate the bug here
|
|
// var map = await getCoinsToJoinSplit(currentRequired);
|
|
// if (map is bool && !map) {
|
|
// return 0;
|
|
// }
|
|
//
|
|
// List<DartLelantusEntry> coinsToBeSpent =
|
|
// map['coinsToSpend'] as List<DartLelantusEntry>;
|
|
//
|
|
// // 1054 is constant part, mainly Schnorr and Range proofs, 2560 is for each sigma/aux data
|
|
// // 179 other parts of tx, assuming 1 utxo and 1 jmint
|
|
// size = 1054 + 2560 * coinsToBeSpent.length + 180;
|
|
// // uint64_t feeNeeded = GetMinimumFee(size, DEFAULT_TX_CONFIRM_TARGET);
|
|
// int feeNeeded =
|
|
// size; //TODO(Levon) temporary, use real estimation methods here
|
|
//
|
|
// if (fee >= feeNeeded) {
|
|
// break;
|
|
// }
|
|
//
|
|
// fee = feeNeeded;
|
|
// }
|
|
//
|
|
// return fee;
|
|
|
|
@override
|
|
Future<int> estimateFeeFor(int satoshiAmount, int feeRate) async {
|
|
int fee = await estimateJoinSplitFee(satoshiAmount);
|
|
return fee;
|
|
}
|
|
|
|
Future<int> estimateFeeForPublic(int satoshiAmount, int feeRate) async {
|
|
final available =
|
|
Format.decimalAmountToSatoshis(await availablePublicBalance());
|
|
|
|
if (available == satoshiAmount) {
|
|
return satoshiAmount - sweepAllEstimate(feeRate);
|
|
} else if (satoshiAmount <= 0 || satoshiAmount > available) {
|
|
return roughFeeEstimate(1, 2, feeRate);
|
|
}
|
|
|
|
int runningBalance = 0;
|
|
int inputCount = 0;
|
|
for (final output in _outputsList) {
|
|
runningBalance += output.value;
|
|
inputCount++;
|
|
if (runningBalance > satoshiAmount) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
final oneOutPutFee = roughFeeEstimate(inputCount, 1, feeRate);
|
|
final twoOutPutFee = roughFeeEstimate(inputCount, 2, feeRate);
|
|
|
|
if (runningBalance - satoshiAmount > oneOutPutFee) {
|
|
if (runningBalance - satoshiAmount > oneOutPutFee + DUST_LIMIT) {
|
|
final change = runningBalance - satoshiAmount - twoOutPutFee;
|
|
if (change > DUST_LIMIT &&
|
|
runningBalance - satoshiAmount - change == twoOutPutFee) {
|
|
return runningBalance - satoshiAmount - change;
|
|
} else {
|
|
return runningBalance - satoshiAmount;
|
|
}
|
|
} else {
|
|
return runningBalance - satoshiAmount;
|
|
}
|
|
} else if (runningBalance - satoshiAmount == oneOutPutFee) {
|
|
return oneOutPutFee;
|
|
} else {
|
|
return twoOutPutFee;
|
|
}
|
|
}
|
|
|
|
// TODO: correct formula for firo?
|
|
int roughFeeEstimate(int inputCount, int outputCount, int feeRatePerKB) {
|
|
return ((181 * inputCount) + (34 * outputCount) + 10) *
|
|
(feeRatePerKB / 1000).ceil();
|
|
}
|
|
|
|
int sweepAllEstimate(int feeRate) {
|
|
int available = 0;
|
|
int inputCount = 0;
|
|
for (final output in _outputsList) {
|
|
if (output.status.confirmed) {
|
|
available += output.value;
|
|
inputCount++;
|
|
}
|
|
}
|
|
|
|
// transaction will only have 1 output minus the fee
|
|
final estimatedFee = roughFeeEstimate(inputCount, 1, feeRate);
|
|
|
|
return available - estimatedFee;
|
|
}
|
|
|
|
Future<List<Map<String, dynamic>>> fastFetch(List<String> allTxHashes) async {
|
|
List<Map<String, dynamic>> allTransactions = [];
|
|
|
|
const futureLimit = 30;
|
|
List<Future<Map<String, dynamic>>> transactionFutures = [];
|
|
int currentFutureCount = 0;
|
|
for (final txHash in allTxHashes) {
|
|
Future<Map<String, dynamic>> transactionFuture =
|
|
cachedElectrumXClient.getTransaction(
|
|
txHash: txHash,
|
|
verbose: true,
|
|
coin: coin,
|
|
);
|
|
transactionFutures.add(transactionFuture);
|
|
currentFutureCount++;
|
|
if (currentFutureCount > futureLimit) {
|
|
currentFutureCount = 0;
|
|
await Future.wait(transactionFutures);
|
|
for (final fTx in transactionFutures) {
|
|
final tx = await fTx;
|
|
// delete unused large parts
|
|
tx.remove("hex");
|
|
tx.remove("lelantusData");
|
|
|
|
allTransactions.add(tx);
|
|
}
|
|
}
|
|
}
|
|
if (currentFutureCount != 0) {
|
|
currentFutureCount = 0;
|
|
await Future.wait(transactionFutures);
|
|
for (final fTx in transactionFutures) {
|
|
final tx = await fTx;
|
|
// delete unused large parts
|
|
tx.remove("hex");
|
|
tx.remove("lelantusData");
|
|
|
|
allTransactions.add(tx);
|
|
}
|
|
}
|
|
return allTransactions;
|
|
}
|
|
|
|
Future<List<models.Transaction>> getJMintTransactions(
|
|
CachedElectrumX cachedClient,
|
|
List<String> transactions,
|
|
String currency,
|
|
Coin coin,
|
|
Decimal currentPrice,
|
|
String locale,
|
|
) async {
|
|
try {
|
|
List<models.Transaction> txs = [];
|
|
List<Map<String, dynamic>> allTransactions =
|
|
await fastFetch(transactions);
|
|
|
|
for (int i = 0; i < allTransactions.length; i++) {
|
|
try {
|
|
final tx = allTransactions[i];
|
|
|
|
tx["confirmed_status"] =
|
|
tx["confirmations"] != null && tx["confirmations"] as int > 0;
|
|
tx["timestamp"] = tx["time"];
|
|
tx["txType"] = "Sent";
|
|
|
|
var sendIndex = 1;
|
|
if (tx["vout"][0]["value"] != null &&
|
|
Decimal.parse(tx["vout"][0]["value"].toString()) > Decimal.zero) {
|
|
sendIndex = 0;
|
|
}
|
|
tx["amount"] = tx["vout"][sendIndex]["value"];
|
|
|
|
tx["address"] = tx["vout"][sendIndex]["scriptPubKey"]["addresses"][0];
|
|
|
|
tx["fees"] = tx["vin"][0]["nFees"];
|
|
tx["inputSize"] = tx["vin"].length;
|
|
tx["outputSize"] = tx["vout"].length;
|
|
|
|
final decimalAmount = Decimal.parse(tx["amount"].toString());
|
|
|
|
tx["worthNow"] = Format.localizedStringAsFixed(
|
|
value: currentPrice * decimalAmount,
|
|
locale: locale,
|
|
decimalPlaces: 2,
|
|
);
|
|
tx["worthAtBlockTimestamp"] = tx["worthNow"];
|
|
|
|
tx["subType"] = "join";
|
|
txs.add(models.Transaction.fromLelantusJson(tx));
|
|
} catch (e, s) {
|
|
Logging.instance.log(
|
|
"Exception caught in getJMintTransactions(): $e\n$s",
|
|
level: LogLevel.Info);
|
|
rethrow;
|
|
}
|
|
}
|
|
return txs;
|
|
} catch (e, s) {
|
|
Logging.instance.log(
|
|
"Exception rethrown in getJMintTransactions(): $e\n$s",
|
|
level: LogLevel.Info);
|
|
rethrow;
|
|
}
|
|
}
|
|
|
|
@override
|
|
Future<bool> generateNewAddress() async {
|
|
try {
|
|
await incrementAddressIndexForChain(
|
|
0); // First increment the receiving index
|
|
final newReceivingIndex =
|
|
DB.instance.get<dynamic>(boxName: walletId, key: 'receivingIndex')
|
|
as int; // Check the new receiving index
|
|
final newReceivingAddress = await _generateAddressForChain(0,
|
|
newReceivingIndex); // Use new index to derive a new receiving address
|
|
await addToAddressesArrayForChain(newReceivingAddress,
|
|
0); // Add that new receiving address to the array of receiving addresses
|
|
_currentReceivingAddress = Future(() =>
|
|
newReceivingAddress); // Set the new receiving address that the service
|
|
|
|
return true;
|
|
} catch (e, s) {
|
|
Logging.instance.log(
|
|
"Exception rethrown from generateNewAddress(): $e\n$s",
|
|
level: LogLevel.Error);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
Future<Decimal> availablePrivateBalance() async {
|
|
return (await balances)[0];
|
|
}
|
|
|
|
Future<Decimal> availablePublicBalance() async {
|
|
return (await balances)[4];
|
|
}
|
|
}
|