mirror of
https://github.com/cypherstack/stack_wallet.git
synced 2025-01-07 03:09:31 +00:00
feat: WIP BIP48 wallet type and marker interface
This commit is contained in:
sneurlax
parent
d27aad2ad9
commit
47525fb301
3 changed files with 996 additions and 1 deletions
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@ -46,6 +46,7 @@ import '../../utilities/logger.dart';
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import '../../utilities/show_loading.dart';
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import '../../utilities/text_styles.dart';
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import '../../wallets/crypto_currency/crypto_currency.dart';
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import '../../wallets/crypto_currency/interfaces/bip48_currency_interface.dart';
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import '../../wallets/crypto_currency/intermediate/frost_currency.dart';
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import '../../wallets/isar/providers/wallet_info_provider.dart';
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import '../../wallets/wallet/impl/bitcoin_frost_wallet.dart';
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@ -1236,7 +1237,7 @@ class _WalletViewState extends ConsumerState<WalletView> {
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},
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),
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if (wallet.info.coin
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is Bitcoin) // TODO [prio=low]: test if !isViewOnly is necessary... I think not, we should be able to make view-only shared multisig wallets.
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is BIP48CurrencyInterface) // TODO [prio=low]: test if !isViewOnly is necessary... I think not, we should be able to make view-only shared multisig wallets.
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WalletNavigationBarItemData(
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label: "Make multisignature account",
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icon: const MultisigSetupNavIcon(),
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@ -0,0 +1,5 @@
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import '../intermediate/bip39_hd_currency.dart';
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mixin BIP48CurrencyInterface on Bip39HDCurrency {
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// This is just a marker interface.
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}
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989
lib/wallets/wallet/impl/bip48_wallet.dart
Normal file
989
lib/wallets/wallet/impl/bip48_wallet.dart
Normal file
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@ -0,0 +1,989 @@
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import 'dart:async';
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import 'dart:math';
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import 'package:isar/isar.dart';
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import '../../../electrumx_rpc/cached_electrumx_client.dart';
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import '../../../electrumx_rpc/electrumx_client.dart';
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import '../../../models/balance.dart';
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import '../../../models/isar/models/blockchain_data/address.dart';
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import '../../../models/isar/models/blockchain_data/transaction.dart';
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import '../../../models/isar/models/blockchain_data/utxo.dart';
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import '../../../models/isar/models/blockchain_data/v2/input_v2.dart';
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import '../../../models/isar/models/blockchain_data/v2/output_v2.dart';
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import '../../../models/isar/models/blockchain_data/v2/transaction_v2.dart';
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import '../../../models/paymint/fee_object_model.dart';
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import '../../../utilities/amount/amount.dart';
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import '../../../utilities/extensions/extensions.dart';
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import '../../../utilities/logger.dart';
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import '../../crypto_currency/crypto_currency.dart';
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import '../../crypto_currency/intermediate/bip39_hd_currency.dart';
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import '../../isar/models/wallet_info.dart';
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import '../../models/tx_data.dart';
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import '../wallet.dart';
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import '../wallet_mixin_interfaces/multi_address_interface.dart';
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class BIP48Wallet<T extends Bip39HDCurrency> extends Wallet<T>
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with MultiAddressInterface {
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BIP48Wallet(CryptoCurrencyNetwork network) : super(Bitcoin(network) as T);
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late ElectrumXClient electrumXClient;
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late CachedElectrumXClient electrumXCachedClient;
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Future<Amount> sweepAllEstimate(int feeRate) async {
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int available = 0;
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int inputCount = 0;
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final height = await chainHeight;
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for (final output in (await mainDB.getUTXOs(walletId).findAll())) {
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if (!output.isBlocked &&
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output.isConfirmed(
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height,
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cryptoCurrency.minConfirms,
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cryptoCurrency.minCoinbaseConfirms,
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)) {
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available += output.value;
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inputCount++;
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}
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}
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// transaction will only have 1 output minus the fee
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final estimatedFee = _roughFeeEstimate(inputCount, 1, feeRate);
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return Amount(
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rawValue: BigInt.from(available),
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fractionDigits: cryptoCurrency.fractionDigits,
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) -
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estimatedFee;
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}
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// int _estimateTxFee({required int vSize, required int feeRatePerKB}) {
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// return vSize * (feeRatePerKB / 1000).ceil();
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// }
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Amount _roughFeeEstimate(int inputCount, int outputCount, int feeRatePerKB) {
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return Amount(
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rawValue: BigInt.from(
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((42 + (272 * inputCount) + (128 * outputCount)) / 4).ceil() *
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(feeRatePerKB / 1000).ceil(),
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),
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fractionDigits: cryptoCurrency.fractionDigits,
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);
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}
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// ==================== Overrides ============================================
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@override
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bool get supportsMultiRecipient => true;
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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 => FilterGroup.and(
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[
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FilterCondition.equalTo(
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property: r"type",
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value: info.mainAddressType,
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),
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const FilterCondition.equalTo(
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property: r"subType",
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value: AddressSubType.change,
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),
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const FilterCondition.greaterThan(
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property: r"derivationIndex",
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value: 0,
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),
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],
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);
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@override
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FilterOperation? get receivingAddressFilterOperation => FilterGroup.and(
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[
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FilterCondition.equalTo(
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property: r"type",
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value: info.mainAddressType,
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),
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const FilterCondition.equalTo(
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property: r"subType",
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value: AddressSubType.receiving,
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),
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const FilterCondition.greaterThan(
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property: r"derivationIndex",
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value: 0,
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),
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],
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);
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@override
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Future<void> updateTransactions() async {
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// Get all addresses.
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final List<Address> allAddressesOld =
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await _fetchAddressesForElectrumXScan();
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// Separate receiving and change addresses.
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final Set<String> receivingAddresses = allAddressesOld
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.where((e) => e.subType == AddressSubType.receiving)
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.map((e) => e.value)
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.toSet();
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final Set<String> changeAddresses = allAddressesOld
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.where((e) => e.subType == AddressSubType.change)
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.map((e) => e.value)
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.toSet();
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// Remove duplicates.
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final allAddressesSet = {...receivingAddresses, ...changeAddresses};
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final currentHeight = await chainHeight;
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// Fetch history from ElectrumX.
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final List<Map<String, dynamic>> allTxHashes =
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await _fetchHistory(allAddressesSet);
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final List<Map<String, dynamic>> allTransactions = [];
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for (final txHash in allTxHashes) {
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final storedTx = await mainDB.isar.transactionV2s
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.where()
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.walletIdEqualTo(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(
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currentHeight,
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cryptoCurrency.minConfirms,
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cryptoCurrency.minCoinbaseConfirms,
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)) {
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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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cryptoCurrency: cryptoCurrency,
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);
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if (!_duplicateTxCheck(allTransactions, tx["txid"] as String)) {
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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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// Parse all new txs.
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final List<TransactionV2> txns = [];
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for (final txData in allTransactions) {
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bool wasSentFromThisWallet = false;
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// Set to true if any inputs were detected as owned by this wallet.
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bool wasReceivedInThisWallet = false;
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// Set to true if any outputs were detected as owned by this wallet.
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// Parse inputs.
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BigInt amountReceivedInThisWallet = BigInt.zero;
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BigInt changeAmountReceivedInThisWallet = BigInt.zero;
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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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if (coinbase == null) {
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// Not a coinbase (ie a typical input).
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final txid = map["txid"] as String;
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final vout = map["vout"] as int;
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final inputTx = await electrumXCachedClient.getTransaction(
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txHash: txid,
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cryptoCurrency: cryptoCurrency,
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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) as Map,
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);
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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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outpoint = OutpointV2.isarCantDoRequiredInDefaultConstructor(
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txid: txid,
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vout: vout,
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);
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valueStringSats = prevOut.valueStringSats;
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addresses.addAll(prevOut.addresses);
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}
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InputV2 input = InputV2.fromElectrumxJson(
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json: map,
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outpoint: outpoint,
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valueStringSats: valueStringSats,
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addresses: addresses,
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coinbase: coinbase,
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// Need addresses before we can know if the wallet owns this input.
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walletOwns: false,
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);
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// Check if input was from this wallet.
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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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// 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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OutputV2 output = OutputV2.fromElectrumXJson(
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Map<String, dynamic>.from(outputJson as Map),
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decimalPlaces: cryptoCurrency.fractionDigits,
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isFullAmountNotSats: true,
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// Need addresses before we can know if the wallet owns this input.
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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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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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if (outputs.length > 1 && inputs.isNotEmpty) {
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for (int i = 0; i < outputs.length; i++) {
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final List<String>? scriptChunks =
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outputs[i].scriptPubKeyAsm?.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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// https://en.bitcoin.it/wiki/BIP_0047#Sending
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if (bytes.length == 80 && bytes.first == 1) {
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subType = TransactionSubType.bip47Notification;
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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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// 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 (amountReceivedInThisWallet == BigInt.zero) {
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// Most likely just a typical send, do nothing here yet.
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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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// TODO: [prio=none] Check for special Bitcoin outputs like ordinals.
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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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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: null,
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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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Future<void> checkSaveInitialReceivingAddress() async {
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final address = await getCurrentReceivingAddress();
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if (address == null) {
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// TODO derive address.
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}
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}
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@override
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Future<TxData> confirmSend({required TxData txData}) async {
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try {
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Logging.instance.log("confirmSend txData: $txData", level: LogLevel.Info);
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final hex = txData.raw!;
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final txHash = await electrumXClient.broadcastTransaction(rawTx: hex);
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Logging.instance.log("Sent txHash: $txHash", level: LogLevel.Info);
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// mark utxos as used
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final usedUTXOs = txData.utxos!.map((e) => e.copyWith(used: true));
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await mainDB.putUTXOs(usedUTXOs.toList());
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txData = txData.copyWith(
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utxos: usedUTXOs.toSet(),
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txHash: txHash,
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txid: txHash,
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);
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return txData;
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} catch (e, s) {
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Logging.instance.log(
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"Exception rethrown from confirmSend(): $e\n$s",
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level: LogLevel.Error,
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);
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rethrow;
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}
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}
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@override
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Future<Amount> estimateFeeFor(Amount amount, int feeRate) async {
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final available = info.cachedBalance.spendable;
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if (available == amount) {
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return amount - (await sweepAllEstimate(feeRate));
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} else if (amount <= Amount.zero || amount > available) {
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return _roughFeeEstimate(1, 2, feeRate);
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}
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Amount runningBalance = Amount(
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rawValue: BigInt.zero,
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fractionDigits: cryptoCurrency.fractionDigits,
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);
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int inputCount = 0;
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for (final output in (await mainDB.getUTXOs(walletId).findAll())) {
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if (!output.isBlocked) {
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runningBalance += Amount(
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rawValue: BigInt.from(output.value),
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fractionDigits: cryptoCurrency.fractionDigits,
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);
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inputCount++;
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if (runningBalance > amount) {
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break;
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}
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}
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}
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final oneOutPutFee = _roughFeeEstimate(inputCount, 1, feeRate);
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final twoOutPutFee = _roughFeeEstimate(inputCount, 2, feeRate);
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if (runningBalance - amount > oneOutPutFee) {
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if (runningBalance - amount > oneOutPutFee + cryptoCurrency.dustLimit) {
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final change = runningBalance - amount - twoOutPutFee;
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if (change > cryptoCurrency.dustLimit &&
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runningBalance - amount - change == twoOutPutFee) {
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return runningBalance - amount - change;
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} else {
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return runningBalance - amount;
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}
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} else {
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return runningBalance - amount;
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}
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} else if (runningBalance - amount == oneOutPutFee) {
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return oneOutPutFee;
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} else {
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return twoOutPutFee;
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}
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}
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@override
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Future<FeeObject> get fees async {
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try {
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// adjust numbers for different speeds?
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const int f = 1, m = 5, s = 20;
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final fast = await electrumXClient.estimateFee(blocks: f);
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final medium = await electrumXClient.estimateFee(blocks: m);
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final slow = await electrumXClient.estimateFee(blocks: s);
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final feeObject = FeeObject(
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numberOfBlocksFast: f,
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numberOfBlocksAverage: m,
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numberOfBlocksSlow: s,
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fast: Amount.fromDecimal(
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fast,
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fractionDigits: cryptoCurrency.fractionDigits,
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).raw.toInt(),
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medium: Amount.fromDecimal(
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medium,
|
||||
fractionDigits: cryptoCurrency.fractionDigits,
|
||||
).raw.toInt(),
|
||||
slow: Amount.fromDecimal(
|
||||
slow,
|
||||
fractionDigits: cryptoCurrency.fractionDigits,
|
||||
).raw.toInt(),
|
||||
);
|
||||
|
||||
Logging.instance.log("fetched fees: $feeObject", level: LogLevel.Info);
|
||||
return feeObject;
|
||||
} catch (e) {
|
||||
Logging.instance
|
||||
.log("Exception rethrown from _getFees(): $e", level: LogLevel.Error);
|
||||
rethrow;
|
||||
}
|
||||
}
|
||||
|
||||
@override
|
||||
Future<TxData> prepareSend({required TxData txData}) {
|
||||
// TODO: implement prepareSendpu
|
||||
throw UnimplementedError();
|
||||
}
|
||||
|
||||
@override
|
||||
Future<void> recover({
|
||||
required bool isRescan,
|
||||
String? serializedKeys,
|
||||
String? multisigConfig,
|
||||
}) async {
|
||||
// TODO.
|
||||
}
|
||||
|
||||
@override
|
||||
Future<void> updateBalance() async {
|
||||
final utxos = await mainDB.getUTXOs(walletId).findAll();
|
||||
|
||||
final currentChainHeight = await chainHeight;
|
||||
|
||||
Amount satoshiBalanceTotal = Amount(
|
||||
rawValue: BigInt.zero,
|
||||
fractionDigits: cryptoCurrency.fractionDigits,
|
||||
);
|
||||
Amount satoshiBalancePending = Amount(
|
||||
rawValue: BigInt.zero,
|
||||
fractionDigits: cryptoCurrency.fractionDigits,
|
||||
);
|
||||
Amount satoshiBalanceSpendable = Amount(
|
||||
rawValue: BigInt.zero,
|
||||
fractionDigits: cryptoCurrency.fractionDigits,
|
||||
);
|
||||
Amount satoshiBalanceBlocked = Amount(
|
||||
rawValue: BigInt.zero,
|
||||
fractionDigits: cryptoCurrency.fractionDigits,
|
||||
);
|
||||
|
||||
for (final utxo in utxos) {
|
||||
final utxoAmount = Amount(
|
||||
rawValue: BigInt.from(utxo.value),
|
||||
fractionDigits: cryptoCurrency.fractionDigits,
|
||||
);
|
||||
|
||||
satoshiBalanceTotal += utxoAmount;
|
||||
|
||||
if (utxo.isBlocked) {
|
||||
satoshiBalanceBlocked += utxoAmount;
|
||||
} else {
|
||||
if (utxo.isConfirmed(
|
||||
currentChainHeight,
|
||||
cryptoCurrency.minConfirms,
|
||||
cryptoCurrency.minCoinbaseConfirms,
|
||||
)) {
|
||||
satoshiBalanceSpendable += utxoAmount;
|
||||
} else {
|
||||
satoshiBalancePending += utxoAmount;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
final balance = Balance(
|
||||
total: satoshiBalanceTotal,
|
||||
spendable: satoshiBalanceSpendable,
|
||||
blockedTotal: satoshiBalanceBlocked,
|
||||
pendingSpendable: satoshiBalancePending,
|
||||
);
|
||||
|
||||
await info.updateBalance(newBalance: balance, isar: mainDB.isar);
|
||||
}
|
||||
|
||||
@override
|
||||
Future<void> updateChainHeight() async {
|
||||
final int height;
|
||||
try {
|
||||
final result = await electrumXClient.getBlockHeadTip();
|
||||
height = result["height"] as int;
|
||||
} catch (e) {
|
||||
rethrow;
|
||||
}
|
||||
|
||||
await info.updateCachedChainHeight(
|
||||
newHeight: height,
|
||||
isar: mainDB.isar,
|
||||
);
|
||||
}
|
||||
|
||||
@override
|
||||
Future<bool> pingCheck() async {
|
||||
try {
|
||||
final result = await electrumXClient.ping();
|
||||
return result;
|
||||
} catch (_) {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
@override
|
||||
Future<void> updateNode() async {
|
||||
await _updateElectrumX();
|
||||
}
|
||||
|
||||
@override
|
||||
Future<bool> updateUTXOs() async {
|
||||
final allAddresses = await _fetchAddressesForElectrumXScan();
|
||||
|
||||
try {
|
||||
final fetchedUtxoList = <List<Map<String, dynamic>>>[];
|
||||
for (int i = 0; i < allAddresses.length; i++) {
|
||||
final scriptHash = cryptoCurrency.addressToScriptHash(
|
||||
address: allAddresses[i].value,
|
||||
);
|
||||
|
||||
final utxos = await electrumXClient.getUTXOs(scripthash: scriptHash);
|
||||
if (utxos.isNotEmpty) {
|
||||
fetchedUtxoList.add(utxos);
|
||||
}
|
||||
}
|
||||
|
||||
final List<UTXO> outputArray = [];
|
||||
|
||||
for (int i = 0; i < fetchedUtxoList.length; i++) {
|
||||
for (int j = 0; j < fetchedUtxoList[i].length; j++) {
|
||||
final utxo = await _parseUTXO(
|
||||
jsonUTXO: fetchedUtxoList[i][j],
|
||||
);
|
||||
|
||||
outputArray.add(utxo);
|
||||
}
|
||||
}
|
||||
|
||||
return await mainDB.updateUTXOs(walletId, outputArray);
|
||||
} catch (e, s) {
|
||||
Logging.instance.log(
|
||||
"Output fetch unsuccessful: $e\n$s",
|
||||
level: LogLevel.Error,
|
||||
);
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
// =================== Private ===============================================
|
||||
|
||||
Future<ElectrumXNode> _getCurrentElectrumXNode() async {
|
||||
final node = getCurrentNode();
|
||||
|
||||
return ElectrumXNode(
|
||||
address: node.host,
|
||||
port: node.port,
|
||||
name: node.name,
|
||||
useSSL: node.useSSL,
|
||||
id: node.id,
|
||||
torEnabled: node.torEnabled,
|
||||
clearnetEnabled: node.clearnetEnabled,
|
||||
);
|
||||
}
|
||||
|
||||
// TODO [prio=low]: Use ElectrumXInterface method.
|
||||
Future<void> _updateElectrumX() async {
|
||||
final failovers = nodeService
|
||||
.failoverNodesFor(currency: cryptoCurrency)
|
||||
.map(
|
||||
(e) => ElectrumXNode(
|
||||
address: e.host,
|
||||
port: e.port,
|
||||
name: e.name,
|
||||
id: e.id,
|
||||
useSSL: e.useSSL,
|
||||
torEnabled: e.torEnabled,
|
||||
clearnetEnabled: e.clearnetEnabled,
|
||||
),
|
||||
)
|
||||
.toList();
|
||||
|
||||
final newNode = await _getCurrentElectrumXNode();
|
||||
try {
|
||||
await electrumXClient.closeAdapter();
|
||||
} catch (e) {
|
||||
if (e.toString().contains("initialized")) {
|
||||
// Ignore. This should happen every first time the wallet is opened.
|
||||
} else {
|
||||
Logging.instance.log(
|
||||
"Error closing electrumXClient: $e",
|
||||
level: LogLevel.Error,
|
||||
);
|
||||
}
|
||||
}
|
||||
electrumXClient = ElectrumXClient.from(
|
||||
node: newNode,
|
||||
prefs: prefs,
|
||||
failovers: failovers,
|
||||
cryptoCurrency: cryptoCurrency,
|
||||
);
|
||||
|
||||
electrumXCachedClient = CachedElectrumXClient.from(
|
||||
electrumXClient: electrumXClient,
|
||||
);
|
||||
}
|
||||
|
||||
bool _duplicateTxCheck(
|
||||
List<Map<String, dynamic>> allTransactions,
|
||||
String txid,
|
||||
) {
|
||||
for (int i = 0; i < allTransactions.length; i++) {
|
||||
if (allTransactions[i]["txid"] == txid) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
Future<UTXO> _parseUTXO({
|
||||
required Map<String, dynamic> jsonUTXO,
|
||||
}) async {
|
||||
final txn = await electrumXCachedClient.getTransaction(
|
||||
txHash: jsonUTXO["tx_hash"] as String,
|
||||
verbose: true,
|
||||
cryptoCurrency: cryptoCurrency,
|
||||
);
|
||||
|
||||
final vout = jsonUTXO["tx_pos"] as int;
|
||||
|
||||
final outputs = txn["vout"] as List;
|
||||
|
||||
// String? scriptPubKey;
|
||||
String? utxoOwnerAddress;
|
||||
// get UTXO owner address
|
||||
for (final output in outputs) {
|
||||
if (output["n"] == vout) {
|
||||
// scriptPubKey = output["scriptPubKey"]?["hex"] as String?;
|
||||
utxoOwnerAddress =
|
||||
output["scriptPubKey"]?["addresses"]?[0] as String? ??
|
||||
output["scriptPubKey"]?["address"] as String?;
|
||||
}
|
||||
}
|
||||
|
||||
final utxo = UTXO(
|
||||
walletId: walletId,
|
||||
txid: txn["txid"] as String,
|
||||
vout: vout,
|
||||
value: jsonUTXO["value"] as int,
|
||||
name: "",
|
||||
isBlocked: false,
|
||||
blockedReason: null,
|
||||
isCoinbase: txn["is_coinbase"] as bool? ?? false,
|
||||
blockHash: txn["blockhash"] as String?,
|
||||
blockHeight: jsonUTXO["height"] as int?,
|
||||
blockTime: txn["blocktime"] as int?,
|
||||
address: utxoOwnerAddress,
|
||||
);
|
||||
|
||||
return utxo;
|
||||
}
|
||||
|
||||
@override
|
||||
Future<void> checkChangeAddressForTransactions() async {
|
||||
try {
|
||||
final currentChange = await getCurrentChangeAddress();
|
||||
|
||||
final bool needsGenerate;
|
||||
if (currentChange == null) {
|
||||
// no addresses in db yet for some reason.
|
||||
// Should not happen at this point...
|
||||
|
||||
needsGenerate = true;
|
||||
} else {
|
||||
final txCount = await _fetchTxCount(address: currentChange);
|
||||
needsGenerate = txCount > 0 || currentChange.derivationIndex < 0;
|
||||
}
|
||||
|
||||
if (needsGenerate) {
|
||||
await generateNewChangeAddress();
|
||||
|
||||
// TODO: get rid of this? Could cause problems (long loading/infinite loop or something)
|
||||
// keep checking until address with no tx history is set as current
|
||||
await checkChangeAddressForTransactions();
|
||||
}
|
||||
} catch (e, s) {
|
||||
Logging.instance.log(
|
||||
"Exception rethrown from _checkChangeAddressForTransactions"
|
||||
"($cryptoCurrency): $e\n$s",
|
||||
level: LogLevel.Error,
|
||||
);
|
||||
rethrow;
|
||||
}
|
||||
}
|
||||
|
||||
@override
|
||||
Future<void> checkReceivingAddressForTransactions() async {
|
||||
if (info.otherData[WalletInfoKeys.reuseAddress] == true) {
|
||||
try {
|
||||
throw Exception();
|
||||
} catch (_, s) {
|
||||
Logging.instance.log(
|
||||
"checkReceivingAddressForTransactions called but reuse address flag set: $s",
|
||||
level: LogLevel.Error,
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
try {
|
||||
final currentReceiving = await getCurrentReceivingAddress();
|
||||
|
||||
final bool needsGenerate;
|
||||
if (currentReceiving == null) {
|
||||
// no addresses in db yet for some reason.
|
||||
// Should not happen at this point...
|
||||
|
||||
needsGenerate = true;
|
||||
} else {
|
||||
final txCount = await _fetchTxCount(address: currentReceiving);
|
||||
needsGenerate = txCount > 0 || currentReceiving.derivationIndex < 0;
|
||||
}
|
||||
|
||||
if (needsGenerate) {
|
||||
await generateNewReceivingAddress();
|
||||
|
||||
// TODO: [prio=low] Make sure we scan all addresses but only show one.
|
||||
if (info.otherData[WalletInfoKeys.reuseAddress] != true) {
|
||||
// TODO: get rid of this? Could cause problems (long loading/infinite loop or something)
|
||||
// keep checking until address with no tx history is set as current
|
||||
await checkReceivingAddressForTransactions();
|
||||
}
|
||||
}
|
||||
} catch (e, s) {
|
||||
Logging.instance.log(
|
||||
"Exception rethrown from _checkReceivingAddressForTransactions"
|
||||
"($cryptoCurrency): $e\n$s",
|
||||
level: LogLevel.Error,
|
||||
);
|
||||
rethrow;
|
||||
}
|
||||
}
|
||||
|
||||
@override
|
||||
Future<void> generateNewChangeAddress() async {
|
||||
final current = await getCurrentChangeAddress();
|
||||
const chain = 0; // TODO.
|
||||
const index = 0; // TODO.
|
||||
|
||||
Address? address;
|
||||
while (address == null) {
|
||||
try {
|
||||
// TODO.
|
||||
// address = await _generateAddress(
|
||||
// change: chain,
|
||||
// index: index,
|
||||
// );
|
||||
} catch (e) {
|
||||
rethrow;
|
||||
}
|
||||
}
|
||||
|
||||
await mainDB.updateOrPutAddresses([address]);
|
||||
}
|
||||
|
||||
@override
|
||||
Future<void> generateNewReceivingAddress() async {
|
||||
final current = await getCurrentReceivingAddress();
|
||||
// TODO: Handle null assertion below.
|
||||
int index = current!.derivationIndex + 1;
|
||||
const chain = 0; // receiving address
|
||||
|
||||
Address? address;
|
||||
while (address == null) {
|
||||
try {
|
||||
// TODO.
|
||||
// address = await _generateAddress(
|
||||
// change: chain,
|
||||
// index: index,
|
||||
// );
|
||||
} catch (e) {
|
||||
rethrow;
|
||||
}
|
||||
}
|
||||
|
||||
await mainDB.updateOrPutAddresses([address]);
|
||||
await info.updateReceivingAddress(
|
||||
newAddress: address.value,
|
||||
isar: mainDB.isar,
|
||||
);
|
||||
}
|
||||
|
||||
Future<void> lookAhead() async {
|
||||
Address? currentReceiving = await getCurrentReceivingAddress();
|
||||
if (currentReceiving == null) {
|
||||
await generateNewReceivingAddress();
|
||||
currentReceiving = await getCurrentReceivingAddress();
|
||||
}
|
||||
Address? currentChange = await getCurrentChangeAddress();
|
||||
if (currentChange == null) {
|
||||
await generateNewChangeAddress();
|
||||
currentChange = await getCurrentChangeAddress();
|
||||
}
|
||||
|
||||
final List<Address> nextReceivingAddresses = [];
|
||||
final List<Address> nextChangeAddresses = [];
|
||||
|
||||
int receiveIndex = currentReceiving!.derivationIndex;
|
||||
int changeIndex = currentChange!.derivationIndex;
|
||||
for (int i = 0; i < 10; i++) {
|
||||
final receiveAddress = await _generateAddressSafe(
|
||||
chain: 0,
|
||||
startingIndex: receiveIndex + 1,
|
||||
);
|
||||
receiveIndex = receiveAddress.derivationIndex;
|
||||
nextReceivingAddresses.add(receiveAddress);
|
||||
|
||||
final changeAddress = await _generateAddressSafe(
|
||||
chain: 1,
|
||||
startingIndex: changeIndex + 1,
|
||||
);
|
||||
changeIndex = changeAddress.derivationIndex;
|
||||
nextChangeAddresses.add(changeAddress);
|
||||
}
|
||||
|
||||
int activeReceiveIndex = currentReceiving.derivationIndex;
|
||||
int activeChangeIndex = currentChange.derivationIndex;
|
||||
for (final address in nextReceivingAddresses) {
|
||||
final txCount = await _fetchTxCount(address: address);
|
||||
if (txCount > 0) {
|
||||
activeReceiveIndex = max(activeReceiveIndex, address.derivationIndex);
|
||||
}
|
||||
}
|
||||
for (final address in nextChangeAddresses) {
|
||||
final txCount = await _fetchTxCount(address: address);
|
||||
if (txCount > 0) {
|
||||
activeChangeIndex = max(activeChangeIndex, address.derivationIndex);
|
||||
}
|
||||
}
|
||||
|
||||
nextReceivingAddresses
|
||||
.removeWhere((e) => e.derivationIndex > activeReceiveIndex);
|
||||
if (nextReceivingAddresses.isNotEmpty) {
|
||||
await mainDB.updateOrPutAddresses(nextReceivingAddresses);
|
||||
await info.updateReceivingAddress(
|
||||
newAddress: nextReceivingAddresses.last.value,
|
||||
isar: mainDB.isar,
|
||||
);
|
||||
}
|
||||
nextChangeAddresses
|
||||
.removeWhere((e) => e.derivationIndex > activeChangeIndex);
|
||||
if (nextChangeAddresses.isNotEmpty) {
|
||||
await mainDB.updateOrPutAddresses(nextChangeAddresses);
|
||||
}
|
||||
}
|
||||
|
||||
Future<Address> _generateAddressSafe({
|
||||
required final int chain,
|
||||
required int startingIndex,
|
||||
}) async {
|
||||
Address? address;
|
||||
while (address == null) {
|
||||
try {
|
||||
// TODO.
|
||||
// address = await _generateAddress(
|
||||
// change: chain,
|
||||
// index: startingIndex,
|
||||
// );
|
||||
} catch (e) {
|
||||
rethrow;
|
||||
}
|
||||
}
|
||||
|
||||
return address;
|
||||
}
|
||||
|
||||
Future<int> _fetchTxCount({required Address address}) async {
|
||||
final transactions = await electrumXClient.getHistory(
|
||||
scripthash: cryptoCurrency.addressToScriptHash(
|
||||
address: address.value,
|
||||
),
|
||||
);
|
||||
return transactions.length;
|
||||
}
|
||||
|
||||
Future<List<Address>> _fetchAddressesForElectrumXScan() async {
|
||||
final allAddresses = await mainDB
|
||||
.getAddresses(walletId)
|
||||
.filter()
|
||||
.not()
|
||||
.group(
|
||||
(q) => q
|
||||
.typeEqualTo(AddressType.nonWallet)
|
||||
.or()
|
||||
.subTypeEqualTo(AddressSubType.nonWallet),
|
||||
)
|
||||
.findAll();
|
||||
return allAddresses;
|
||||
}
|
||||
|
||||
Future<List<Map<String, dynamic>>> _fetchHistory(
|
||||
Iterable<String> allAddresses,
|
||||
) async {
|
||||
try {
|
||||
final List<Map<String, dynamic>> allTxHashes = [];
|
||||
for (int i = 0; i < allAddresses.length; i++) {
|
||||
final addressString = allAddresses.elementAt(i);
|
||||
final scriptHash = cryptoCurrency.addressToScriptHash(
|
||||
address: addressString,
|
||||
);
|
||||
|
||||
final response = await electrumXClient.getHistory(
|
||||
scripthash: scriptHash,
|
||||
);
|
||||
|
||||
for (int j = 0; j < response.length; j++) {
|
||||
response[j]["address"] = addressString;
|
||||
if (!allTxHashes.contains(response[j])) {
|
||||
allTxHashes.add(response[j]);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return allTxHashes;
|
||||
} catch (e, s) {
|
||||
Logging.instance.log(
|
||||
"$runtimeType._fetchHistory: $e\n$s",
|
||||
level: LogLevel.Error,
|
||||
);
|
||||
rethrow;
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Reference in a new issue