mirror of
https://github.com/cypherstack/stack_wallet.git
synced 2024-09-30 18:31:10 +00:00
663 lines
21 KiB
Dart
663 lines
21 KiB
Dart
import 'dart:convert';
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import 'dart:math';
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import 'package:decimal/decimal.dart';
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import 'package:isar/isar.dart';
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import 'package:stackwallet/db/hive/db.dart';
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import 'package:stackwallet/models/isar/models/blockchain_data/v2/input_v2.dart';
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import 'package:stackwallet/models/isar/models/blockchain_data/v2/output_v2.dart';
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import 'package:stackwallet/models/isar/models/blockchain_data/v2/transaction_v2.dart';
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import 'package:stackwallet/models/isar/models/isar_models.dart';
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import 'package:stackwallet/utilities/amount/amount.dart';
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import 'package:stackwallet/utilities/logger.dart';
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import 'package:stackwallet/utilities/util.dart';
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import 'package:stackwallet/wallets/crypto_currency/coins/firo.dart';
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import 'package:stackwallet/wallets/crypto_currency/crypto_currency.dart';
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import 'package:stackwallet/wallets/isar/models/spark_coin.dart';
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import 'package:stackwallet/wallets/wallet/intermediate/bip39_hd_wallet.dart';
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import 'package:stackwallet/wallets/wallet/wallet_mixin_interfaces/electrumx_interface.dart';
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import 'package:stackwallet/wallets/wallet/wallet_mixin_interfaces/lelantus_interface.dart';
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import 'package:stackwallet/wallets/wallet/wallet_mixin_interfaces/spark_interface.dart';
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const sparkStartBlock = 819300; // (approx 18 Jan 2024)
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class FiroWallet extends Bip39HDWallet
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with ElectrumXInterface, LelantusInterface, SparkInterface {
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// IMPORTANT: The order of the above mixins matters.
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// SparkInterface MUST come after LelantusInterface.
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FiroWallet(CryptoCurrencyNetwork network) : super(Firo(network));
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@override
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int get isarTransactionVersion => 2;
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@override
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FilterOperation? get changeAddressFilterOperation =>
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FilterGroup.and(standardChangeAddressFilters);
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@override
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FilterOperation? get receivingAddressFilterOperation =>
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FilterGroup.and(standardReceivingAddressFilters);
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// ===========================================================================
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@override
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Future<void> updateTransactions() async {
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List<Address> allAddressesOld = await fetchAddressesForElectrumXScan();
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Set<String> receivingAddresses = allAddressesOld
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.where((e) => e.subType == AddressSubType.receiving)
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.map((e) => convertAddressString(e.value))
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.toSet();
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Set<String> changeAddresses = allAddressesOld
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.where((e) => e.subType == AddressSubType.change)
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.map((e) => convertAddressString(e.value))
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.toSet();
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final allAddressesSet = {...receivingAddresses, ...changeAddresses};
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final List<Map<String, dynamic>> allTxHashes =
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await fetchHistory(allAddressesSet);
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final sparkTxids = await mainDB.isar.sparkCoins
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.where()
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.walletIdEqualToAnyLTagHash(walletId)
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.txHashProperty()
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.findAll();
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for (final txid in sparkTxids) {
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// check for duplicates before adding to list
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if (allTxHashes.indexWhere((e) => e["tx_hash"] == txid) == -1) {
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final info = {
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"tx_hash": txid,
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};
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allTxHashes.add(info);
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}
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}
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List<Map<String, dynamic>> allTransactions = [];
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// some lelantus transactions aren't fetched via wallet addresses so they
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// will never show as confirmed in the gui.
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final unconfirmedTransactions = await mainDB
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.getTransactions(walletId)
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.filter()
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.heightIsNull()
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.findAll();
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for (final tx in unconfirmedTransactions) {
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final txn = await electrumXCachedClient.getTransaction(
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txHash: tx.txid,
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verbose: true,
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coin: info.coin,
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);
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final height = txn["height"] as int?;
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if (height != null) {
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// tx was mined
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// add to allTxHashes
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final info = {
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"tx_hash": tx.txid,
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"height": height,
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"address": tx.address.value?.value,
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};
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allTxHashes.add(info);
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}
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}
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for (final txHash in allTxHashes) {
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// final storedTx = await db
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// .getTransactions(walletId)
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// .filter()
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// .txidEqualTo(txHash["tx_hash"] as String)
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// .findFirst();
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// if (storedTx == null ||
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// !storedTx.isConfirmed(currentHeight, MINIMUM_CONFIRMATIONS)) {
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final tx = await electrumXCachedClient.getTransaction(
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txHash: txHash["tx_hash"] as String,
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verbose: true,
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coin: info.coin,
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);
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// check for duplicates before adding to list
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if (allTransactions
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.indexWhere((e) => e["txid"] == tx["txid"] as String) ==
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-1) {
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tx["height"] ??= txHash["height"];
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allTransactions.add(tx);
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}
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// }
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}
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final List<TransactionV2> txns = [];
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for (final txData in allTransactions) {
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// set to true if any inputs were detected as owned by this wallet
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bool wasSentFromThisWallet = false;
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// set to true if any outputs were detected as owned by this wallet
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bool wasReceivedInThisWallet = false;
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BigInt amountReceivedInThisWallet = BigInt.zero;
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BigInt changeAmountReceivedInThisWallet = BigInt.zero;
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Amount? anonFees;
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bool isMint = false;
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bool isJMint = false;
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bool isSparkMint = false;
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bool isMasterNodePayment = false;
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final bool isSparkSpend = txData["type"] == 9 && txData["version"] == 3;
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// parse outputs
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final List<OutputV2> outputs = [];
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for (final outputJson in txData["vout"] as List) {
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final outMap = Map<String, dynamic>.from(outputJson as Map);
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if (outMap["scriptPubKey"]?["type"] == "lelantusmint") {
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final asm = outMap["scriptPubKey"]?["asm"] as String?;
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if (asm != null) {
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if (asm.startsWith("OP_LELANTUSJMINT")) {
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isJMint = true;
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} else if (asm.startsWith("OP_LELANTUSMINT")) {
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isMint = true;
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} else {
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Logging.instance.log(
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"Unknown mint op code found for lelantusmint tx: ${txData["txid"]}",
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level: LogLevel.Error,
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);
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}
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} else {
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Logging.instance.log(
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"ASM for lelantusmint tx: ${txData["txid"]} is null!",
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level: LogLevel.Error,
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);
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}
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}
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if (outMap["scriptPubKey"]?["type"] == "sparkmint") {
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final asm = outMap["scriptPubKey"]?["asm"] as String?;
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if (asm != null) {
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if (asm.startsWith("OP_SPARKMINT")) {
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isSparkMint = true;
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} else {
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Logging.instance.log(
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"Unknown mint op code found for sparkmint tx: ${txData["txid"]}",
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level: LogLevel.Error,
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);
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}
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} else {
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Logging.instance.log(
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"ASM for sparkmint tx: ${txData["txid"]} is null!",
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level: LogLevel.Error,
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);
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}
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}
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if (isSparkSpend) {
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// TODO
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} else if (isSparkMint) {
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// TODO
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} else if (isMint || isJMint) {
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// do nothing extra ?
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} else {
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// TODO
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}
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OutputV2 output = OutputV2.fromElectrumXJson(
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outMap,
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decimalPlaces: cryptoCurrency.fractionDigits,
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isFullAmountNotSats: true,
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// don't know yet if wallet owns. Need addresses first
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walletOwns: false,
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);
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// if output was to my wallet, add value to amount received
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if (receivingAddresses
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.intersection(output.addresses.toSet())
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.isNotEmpty) {
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wasReceivedInThisWallet = true;
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amountReceivedInThisWallet += output.value;
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output = output.copyWith(walletOwns: true);
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} else if (changeAddresses
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.intersection(output.addresses.toSet())
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.isNotEmpty) {
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wasReceivedInThisWallet = true;
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changeAmountReceivedInThisWallet += output.value;
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output = output.copyWith(walletOwns: true);
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}
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outputs.add(output);
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}
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if (isJMint || isSparkSpend) {
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anonFees = Amount(
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rawValue: BigInt.zero,
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fractionDigits: cryptoCurrency.fractionDigits,
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);
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}
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// parse inputs
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final List<InputV2> inputs = [];
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for (final jsonInput in txData["vin"] as List) {
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final map = Map<String, dynamic>.from(jsonInput as Map);
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final List<String> addresses = [];
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String valueStringSats = "0";
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OutpointV2? outpoint;
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final coinbase = map["coinbase"] as String?;
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final txid = map["txid"] as String?;
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final vout = map["vout"] as int?;
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if (txid != null && vout != null) {
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outpoint = OutpointV2.isarCantDoRequiredInDefaultConstructor(
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txid: txid,
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vout: vout,
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);
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}
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if (isSparkSpend) {
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// anon fees
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final nFee = Decimal.tryParse(map["nFees"].toString());
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if (nFee != null) {
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final fees = Amount.fromDecimal(
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nFee,
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fractionDigits: cryptoCurrency.fractionDigits,
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);
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anonFees = anonFees! + fees;
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}
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} else if (isSparkMint) {
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final address = map["address"] as String?;
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final value = map["valueSat"] as int?;
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if (address != null && value != null) {
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valueStringSats = value.toString();
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addresses.add(address);
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}
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} else if (isMint) {
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// We should be able to assume this belongs to this wallet
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final address = map["address"] as String?;
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final value = map["valueSat"] as int?;
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if (address != null && value != null) {
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valueStringSats = value.toString();
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addresses.add(address);
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}
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} else if (isJMint) {
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// anon fees
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final nFee = Decimal.tryParse(map["nFees"].toString());
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if (nFee != null) {
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final fees = Amount.fromDecimal(
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nFee,
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fractionDigits: cryptoCurrency.fractionDigits,
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);
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anonFees = anonFees! + fees;
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}
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} else if (coinbase == null && txid != null && vout != null) {
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final inputTx = await electrumXCachedClient.getTransaction(
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txHash: txid,
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coin: cryptoCurrency.coin,
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);
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final prevOutJson = Map<String, dynamic>.from(
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(inputTx["vout"] as List).firstWhere((e) => e["n"] == vout)
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as Map);
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final prevOut = OutputV2.fromElectrumXJson(
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prevOutJson,
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decimalPlaces: cryptoCurrency.fractionDigits,
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isFullAmountNotSats: true,
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walletOwns: false, // doesn't matter here as this is not saved
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);
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valueStringSats = prevOut.valueStringSats;
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addresses.addAll(prevOut.addresses);
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} else if (coinbase == null) {
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Util.printJson(map, "NON TXID INPUT");
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}
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InputV2 input = InputV2.isarCantDoRequiredInDefaultConstructor(
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scriptSigHex: map["scriptSig"]?["hex"] as String?,
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sequence: map["sequence"] as int?,
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outpoint: outpoint,
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valueStringSats: valueStringSats,
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addresses: addresses,
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witness: map["witness"] as String?,
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coinbase: coinbase,
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innerRedeemScriptAsm: map["innerRedeemscriptAsm"] as String?,
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// don't know yet if wallet owns. Need addresses first
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walletOwns: false,
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);
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if (allAddressesSet.intersection(input.addresses.toSet()).isNotEmpty) {
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wasSentFromThisWallet = true;
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input = input.copyWith(walletOwns: true);
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}
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inputs.add(input);
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}
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final totalOut = outputs
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.map((e) => e.value)
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.fold(BigInt.zero, (value, element) => value + element);
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TransactionType type;
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TransactionSubType subType = TransactionSubType.none;
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// TODO integrate the following with the next bit
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if (isSparkSpend) {
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subType = TransactionSubType.sparkSpend;
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} else if (isSparkMint) {
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subType = TransactionSubType.sparkMint;
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} else if (isMint) {
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subType = TransactionSubType.mint;
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} else if (isJMint) {
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subType = TransactionSubType.join;
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}
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// at least one input was owned by this wallet
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if (wasSentFromThisWallet) {
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type = TransactionType.outgoing;
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if (wasReceivedInThisWallet) {
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if (changeAmountReceivedInThisWallet + amountReceivedInThisWallet ==
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totalOut) {
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// definitely sent all to self
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type = TransactionType.sentToSelf;
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} else if (isSparkMint) {
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// probably sent to self
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type = TransactionType.sentToSelf;
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} else if (amountReceivedInThisWallet == BigInt.zero) {
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// most likely just a typical send
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// do nothing here yet
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}
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// check vout 0 for special scripts
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if (outputs.isNotEmpty) {
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final output = outputs.first;
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// // check for fusion
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// if (BchUtils.isFUZE(output.scriptPubKeyHex.toUint8ListFromHex)) {
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// subType = TransactionSubType.cashFusion;
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// } else {
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// // check other cases here such as SLP or cash tokens etc
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// }
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}
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}
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} else if (wasReceivedInThisWallet) {
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// only found outputs owned by this wallet
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type = TransactionType.incoming;
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} else {
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Logging.instance.log(
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"Unexpected tx found (ignoring it): $txData",
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level: LogLevel.Error,
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);
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continue;
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}
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String? otherData;
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if (anonFees != null) {
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otherData = jsonEncode(
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{
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"anonFees": anonFees.toJsonString(),
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},
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);
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}
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final tx = TransactionV2(
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walletId: walletId,
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blockHash: txData["blockhash"] as String?,
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hash: txData["hash"] as String,
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txid: txData["txid"] as String,
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height: txData["height"] as int?,
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version: txData["version"] as int,
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timestamp: txData["blocktime"] as int? ??
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DateTime.timestamp().millisecondsSinceEpoch ~/ 1000,
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inputs: List.unmodifiable(inputs),
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outputs: List.unmodifiable(outputs),
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type: type,
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subType: subType,
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otherData: otherData,
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);
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txns.add(tx);
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}
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await mainDB.updateOrPutTransactionV2s(txns);
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}
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@override
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({String? blockedReason, bool blocked}) checkBlockUTXO(
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Map<String, dynamic> jsonUTXO,
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String? scriptPubKeyHex,
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Map<String, dynamic>? jsonTX,
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) {
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bool blocked = false;
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String? blockedReason;
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//
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// if (jsonTX != null) {
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// // check for bip47 notification
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// final outputs = jsonTX["vout"] as List;
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// for (final output in outputs) {
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// List<String>? scriptChunks =
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// (output['scriptPubKey']?['asm'] as String?)?.split(" ");
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// if (scriptChunks?.length == 2 && scriptChunks?[0] == "OP_RETURN") {
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// final blindedPaymentCode = scriptChunks![1];
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// final bytes = blindedPaymentCode.toUint8ListFromHex;
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//
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// // https://en.bitcoin.it/wiki/BIP_0047#Sending
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// if (bytes.length == 80 && bytes.first == 1) {
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// blocked = true;
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// blockedReason = "Paynym notification output. Incautious "
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// "handling of outputs from notification transactions "
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// "may cause unintended loss of privacy.";
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// break;
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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 (blockedReason: blockedReason, blocked: blocked);
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}
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@override
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Future<void> recover({required bool isRescan}) async {
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final root = await getRootHDNode();
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final List<Future<({int index, List<Address> addresses})>> receiveFutures =
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[];
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final List<Future<({int index, List<Address> addresses})>> changeFutures =
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[];
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const receiveChain = 0;
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const changeChain = 1;
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const txCountBatchSize = 12;
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try {
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await refreshMutex.protect(() async {
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if (isRescan) {
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// clear cache
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await electrumXCachedClient.clearSharedTransactionCache(
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coin: info.coin);
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// clear blockchain info
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await mainDB.deleteWalletBlockchainData(walletId);
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}
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final latestSetId = await electrumXClient.getLelantusLatestCoinId();
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final setDataMapFuture = getSetDataMap(latestSetId);
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final usedSerialNumbersFuture =
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electrumXCachedClient.getUsedCoinSerials(
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coin: info.coin,
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);
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// receiving addresses
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Logging.instance.log(
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"checking receiving addresses...",
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level: LogLevel.Info,
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);
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for (final type in cryptoCurrency.supportedDerivationPathTypes) {
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receiveFutures.add(
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serverCanBatch
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? checkGapsBatched(
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txCountBatchSize,
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root,
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type,
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receiveChain,
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)
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: checkGapsLinearly(
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root,
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type,
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receiveChain,
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),
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);
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}
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// change addresses
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Logging.instance.log(
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"checking change addresses...",
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level: LogLevel.Info,
|
|
);
|
|
for (final type in cryptoCurrency.supportedDerivationPathTypes) {
|
|
changeFutures.add(
|
|
serverCanBatch
|
|
? checkGapsBatched(
|
|
txCountBatchSize,
|
|
root,
|
|
type,
|
|
changeChain,
|
|
)
|
|
: checkGapsLinearly(
|
|
root,
|
|
type,
|
|
changeChain,
|
|
),
|
|
);
|
|
}
|
|
|
|
// io limitations may require running these linearly instead
|
|
final futuresResult = await Future.wait([
|
|
Future.wait(receiveFutures),
|
|
Future.wait(changeFutures),
|
|
]);
|
|
|
|
final receiveResults = futuresResult[0];
|
|
final changeResults = futuresResult[1];
|
|
|
|
final List<Address> addressesToStore = [];
|
|
|
|
int highestReceivingIndexWithHistory = 0;
|
|
|
|
for (final tuple in receiveResults) {
|
|
if (tuple.addresses.isEmpty) {
|
|
await checkReceivingAddressForTransactions();
|
|
} else {
|
|
highestReceivingIndexWithHistory = max(
|
|
tuple.index,
|
|
highestReceivingIndexWithHistory,
|
|
);
|
|
addressesToStore.addAll(tuple.addresses);
|
|
}
|
|
}
|
|
|
|
int highestChangeIndexWithHistory = 0;
|
|
// 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.
|
|
for (final tuple in changeResults) {
|
|
if (tuple.addresses.isEmpty) {
|
|
await checkChangeAddressForTransactions();
|
|
} else {
|
|
highestChangeIndexWithHistory = max(
|
|
tuple.index,
|
|
highestChangeIndexWithHistory,
|
|
);
|
|
addressesToStore.addAll(tuple.addresses);
|
|
}
|
|
}
|
|
|
|
// remove extra addresses to help minimize risk of creating a large gap
|
|
addressesToStore.removeWhere((e) =>
|
|
e.subType == AddressSubType.change &&
|
|
e.derivationIndex > highestChangeIndexWithHistory);
|
|
addressesToStore.removeWhere((e) =>
|
|
e.subType == AddressSubType.receiving &&
|
|
e.derivationIndex > highestReceivingIndexWithHistory);
|
|
|
|
await mainDB.updateOrPutAddresses(addressesToStore);
|
|
|
|
await Future.wait([
|
|
updateTransactions(),
|
|
updateUTXOs(),
|
|
]);
|
|
|
|
final futureResults = await Future.wait([
|
|
usedSerialNumbersFuture,
|
|
setDataMapFuture,
|
|
]);
|
|
|
|
final usedSerialsSet = (futureResults[0] as List<String>).toSet();
|
|
final setDataMap = futureResults[1] as Map<dynamic, dynamic>;
|
|
|
|
await recoverLelantusWallet(
|
|
latestSetId: latestSetId,
|
|
usedSerialNumbers: usedSerialsSet,
|
|
setDataMap: setDataMap,
|
|
);
|
|
});
|
|
|
|
await refresh();
|
|
} catch (e, s) {
|
|
Logging.instance.log(
|
|
"Exception rethrown from electrumx_mixin recover(): $e\n$s",
|
|
level: LogLevel.Info);
|
|
|
|
rethrow;
|
|
}
|
|
}
|
|
|
|
@override
|
|
Amount roughFeeEstimate(int inputCount, int outputCount, int feeRatePerKB) {
|
|
return Amount(
|
|
rawValue: BigInt.from(((181 * inputCount) + (34 * outputCount) + 10) *
|
|
(feeRatePerKB / 1000).ceil()),
|
|
fractionDigits: cryptoCurrency.fractionDigits,
|
|
);
|
|
}
|
|
|
|
@override
|
|
int estimateTxFee({required int vSize, required int feeRatePerKB}) {
|
|
return vSize * (feeRatePerKB / 1000).ceil();
|
|
}
|
|
|
|
// ===========================================================================
|
|
|
|
static const String _lelantusCoinIsarRescanRequired =
|
|
"lelantusCoinIsarRescanRequired";
|
|
|
|
Future<void> setLelantusCoinIsarRescanRequiredDone() async {
|
|
await DB.instance.put<dynamic>(
|
|
boxName: walletId,
|
|
key: _lelantusCoinIsarRescanRequired,
|
|
value: false,
|
|
);
|
|
}
|
|
|
|
bool get lelantusCoinIsarRescanRequired =>
|
|
DB.instance.get(
|
|
boxName: walletId,
|
|
key: _lelantusCoinIsarRescanRequired,
|
|
) as bool? ??
|
|
true;
|
|
|
|
Future<bool> firoRescanRecovery() async {
|
|
try {
|
|
await recover(isRescan: true);
|
|
await setLelantusCoinIsarRescanRequiredDone();
|
|
return true;
|
|
} catch (_) {
|
|
return false;
|
|
}
|
|
}
|
|
}
|