mirror of
https://github.com/cypherstack/stack_wallet.git
synced 2024-09-29 18:01:06 +00:00
offload coin identification to separate isolate
This commit is contained in:
julian
parent
65e93c7f48
commit
311b2adfd9
1 changed files with 123 additions and 102 deletions
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@ -1,8 +1,8 @@
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import 'dart:convert';
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import 'dart:typed_data';
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import 'package:bitcoindart/bitcoindart.dart' as btc;
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import 'package:bitcoindart/src/utils/script.dart' as bscript;
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import 'package:flutter/foundation.dart';
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import 'package:flutter_libsparkmobile/flutter_libsparkmobile.dart';
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import 'package:isar/isar.dart';
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import 'package:stackwallet/models/balance.dart';
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@ -435,34 +435,47 @@ mixin SparkInterface on Bip39HDWallet, ElectrumXInterface {
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final blockHash = await _getCachedSparkBlockHash();
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final futureResults = await Future.wait([
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blockHash == null
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? electrumXCachedClient.getSparkAnonymitySet(
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groupId: latestSparkCoinId.toString(),
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coin: info.coin,
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)
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: electrumXClient.getSparkAnonymitySet(
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coinGroupId: latestSparkCoinId.toString(),
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startBlockHash: blockHash,
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),
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electrumXCachedClient.getSparkUsedCoinsTags(coin: info.coin),
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]);
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final anonymitySet = blockHash == null
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? await electrumXCachedClient.getSparkAnonymitySet(
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groupId: latestSparkCoinId.toString(),
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coin: info.coin,
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)
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: await electrumXClient.getSparkAnonymitySet(
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coinGroupId: latestSparkCoinId.toString(),
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startBlockHash: blockHash,
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);
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final anonymitySet = futureResults[0] as Map<String, dynamic>;
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final spentCoinTags = futureResults[1] as Set<String>;
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if (anonymitySet["coins"] is List &&
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(anonymitySet["coins"] as List).isNotEmpty) {
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final spentCoinTags =
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await electrumXCachedClient.getSparkUsedCoinsTags(coin: info.coin);
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final myCoins = await _identifyCoins(
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anonymitySet: anonymitySet,
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spentCoinTags: spentCoinTags,
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sparkAddressDerivationPaths: paths,
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);
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final root = await getRootHDNode();
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final privateKeyHexSet = paths
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.map(
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(e) => root.derivePath(e).privateKey.data.toHex,
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)
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.toSet();
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// update wallet spark coins in isar
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await _addOrUpdateSparkCoins(myCoins);
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final myCoins = await compute(
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_identifyCoins,
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(
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anonymitySetCoins: anonymitySet["coins"] as List,
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spentCoinTags: spentCoinTags,
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privateKeyHexSet: privateKeyHexSet,
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walletId: walletId,
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isTestNet: cryptoCurrency.network == CryptoCurrencyNetwork.test,
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),
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);
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// update blockHash in cache
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final String newBlockHash = anonymitySet["blockHash"] as String;
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await _setCachedSparkBlockHash(newBlockHash);
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// update wallet spark coins in isar
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await _addOrUpdateSparkCoins(myCoins);
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// update blockHash in cache
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final String newBlockHash =
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base64ToReverseHex(anonymitySet["blockHash"] as String);
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await _setCachedSparkBlockHash(newBlockHash);
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}
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// refresh spark balance
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await refreshSparkBalance();
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@ -537,10 +550,19 @@ mixin SparkInterface on Bip39HDWallet, ElectrumXInterface {
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sparkAddresses.map((e) => e.derivationPath!.value).toSet();
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try {
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final myCoins = await _identifyCoins(
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anonymitySet: anonymitySet,
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spentCoinTags: spentCoinTags,
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sparkAddressDerivationPaths: paths,
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final root = await getRootHDNode();
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final privateKeyHexSet =
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paths.map((e) => root.derivePath(e).privateKey.data.toHex).toSet();
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final myCoins = await compute(
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_identifyCoins,
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(
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anonymitySetCoins: anonymitySet["coins"] as List,
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spentCoinTags: spentCoinTags,
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privateKeyHexSet: privateKeyHexSet,
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walletId: walletId,
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isTestNet: cryptoCurrency.network == CryptoCurrencyNetwork.test,
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),
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);
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// update wallet spark coins in isar
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@ -680,7 +702,8 @@ mixin SparkInterface on Bip39HDWallet, ElectrumXInterface {
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txb.addInput(
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sd.utxo.txid,
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sd.utxo.vout,
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0xffffffff - 1,
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0xffffffff -
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1, // minus 1 is important. 0xffffffff on its own will burn funds
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sd.output,
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);
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}
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@ -791,78 +814,6 @@ mixin SparkInterface on Bip39HDWallet, ElectrumXInterface {
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);
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}
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Future<List<SparkCoin>> _identifyCoins({
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required Map<dynamic, dynamic> anonymitySet,
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required Set<String> spentCoinTags,
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required Set<String> sparkAddressDerivationPaths,
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}) async {
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final root = await getRootHDNode();
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final List<SparkCoin> myCoins = [];
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for (final path in sparkAddressDerivationPaths) {
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final keys = root.derivePath(path);
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final privateKeyHex = keys.privateKey.data.toHex;
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for (final dynData in anonymitySet["coins"] as List) {
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final data = List<String>.from(dynData as List);
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if (data.length != 3) {
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throw Exception("Unexpected serialized coin info found");
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}
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final serializedCoinB64 = data[0];
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final txHash = base64ToReverseHex(data[1]);
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final contextB64 = data[2];
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final coin = LibSpark.identifyAndRecoverCoin(
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serializedCoinB64,
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privateKeyHex: privateKeyHex,
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index: kDefaultSparkIndex,
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context: base64Decode(contextB64),
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isTestNet: cryptoCurrency.network == CryptoCurrencyNetwork.test,
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);
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// its ours
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if (coin != null) {
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final SparkCoinType coinType;
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switch (coin.type.value) {
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case 0:
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coinType = SparkCoinType.mint;
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case 1:
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coinType = SparkCoinType.spend;
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default:
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throw Exception("Unknown spark coin type detected");
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}
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myCoins.add(
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SparkCoin(
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walletId: walletId,
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type: coinType,
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isUsed: spentCoinTags.contains(coin.lTagHash!),
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nonce: coin.nonceHex?.toUint8ListFromHex,
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address: coin.address!,
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txHash: txHash,
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valueIntString: coin.value!.toString(),
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memo: coin.memo,
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serialContext: coin.serialContext,
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diversifierIntString: coin.diversifier!.toString(),
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encryptedDiversifier: coin.encryptedDiversifier,
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serial: coin.serial,
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tag: coin.tag,
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lTagHash: coin.lTagHash!,
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height: coin.height,
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serializedCoinB64: serializedCoinB64,
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contextB64: contextB64,
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),
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);
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}
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}
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}
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return myCoins;
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}
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Future<void> _addOrUpdateSparkCoins(List<SparkCoin> coins) async {
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if (coins.isNotEmpty) {
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await mainDB.isar.writeTxn(() async {
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@ -900,3 +851,73 @@ String base64ToReverseHex(String source) =>
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.reversed
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.map((e) => e.toRadixString(16).padLeft(2, '0'))
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.join();
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/// Top level function which should be called wrapped in [compute]
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Future<List<SparkCoin>> _identifyCoins(
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({
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List<dynamic> anonymitySetCoins,
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Set<String> spentCoinTags,
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Set<String> privateKeyHexSet,
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String walletId,
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bool isTestNet,
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}) args) async {
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final List<SparkCoin> myCoins = [];
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for (final privateKeyHex in args.privateKeyHexSet) {
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for (final dynData in args.anonymitySetCoins) {
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final data = List<String>.from(dynData as List);
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if (data.length != 3) {
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throw Exception("Unexpected serialized coin info found");
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}
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final serializedCoinB64 = data[0];
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final txHash = base64ToReverseHex(data[1]);
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final contextB64 = data[2];
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final coin = LibSpark.identifyAndRecoverCoin(
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serializedCoinB64,
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privateKeyHex: privateKeyHex,
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index: kDefaultSparkIndex,
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context: base64Decode(contextB64),
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isTestNet: args.isTestNet,
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);
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// its ours
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if (coin != null) {
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final SparkCoinType coinType;
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switch (coin.type.value) {
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case 0:
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coinType = SparkCoinType.mint;
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case 1:
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coinType = SparkCoinType.spend;
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default:
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throw Exception("Unknown spark coin type detected");
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}
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myCoins.add(
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SparkCoin(
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walletId: args.walletId,
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type: coinType,
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isUsed: args.spentCoinTags.contains(coin.lTagHash!),
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nonce: coin.nonceHex?.toUint8ListFromHex,
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address: coin.address!,
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txHash: txHash,
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valueIntString: coin.value!.toString(),
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memo: coin.memo,
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serialContext: coin.serialContext,
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diversifierIntString: coin.diversifier!.toString(),
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encryptedDiversifier: coin.encryptedDiversifier,
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serial: coin.serial,
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tag: coin.tag,
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lTagHash: coin.lTagHash!,
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height: coin.height,
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serializedCoinB64: serializedCoinB64,
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contextB64: contextB64,
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),
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);
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}
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}
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}
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return myCoins;
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}
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