mirror of
https://github.com/cypherstack/stack_wallet.git
synced 2024-12-25 12:59:24 +00:00
314 lines
11 KiB
Dart
314 lines
11 KiB
Dart
import 'package:isar/isar.dart';
|
|
|
|
import '../../../models/isar/models/blockchain_data/address.dart';
|
|
import '../../../models/isar/models/blockchain_data/transaction.dart';
|
|
import '../../../models/isar/models/blockchain_data/v2/input_v2.dart';
|
|
import '../../../models/isar/models/blockchain_data/v2/output_v2.dart';
|
|
import '../../../models/isar/models/blockchain_data/v2/transaction_v2.dart';
|
|
import '../../../utilities/amount/amount.dart';
|
|
import '../../../utilities/logger.dart';
|
|
import '../../crypto_currency/crypto_currency.dart';
|
|
import '../../crypto_currency/interfaces/electrumx_currency_interface.dart';
|
|
import '../intermediate/bip39_hd_wallet.dart';
|
|
import '../wallet_mixin_interfaces/coin_control_interface.dart';
|
|
import '../wallet_mixin_interfaces/electrumx_interface.dart';
|
|
|
|
class DashWallet<T extends ElectrumXCurrencyInterface> extends Bip39HDWallet<T>
|
|
with ElectrumXInterface<T>, CoinControlInterface {
|
|
DashWallet(CryptoCurrencyNetwork network) : super(Dash(network) as T);
|
|
|
|
@override
|
|
int get maximumFeerate => 2500;
|
|
|
|
@override
|
|
int get isarTransactionVersion => 2;
|
|
|
|
@override
|
|
FilterOperation? get changeAddressFilterOperation =>
|
|
FilterGroup.and(standardChangeAddressFilters);
|
|
|
|
@override
|
|
FilterOperation? get receivingAddressFilterOperation =>
|
|
FilterGroup.and(standardReceivingAddressFilters);
|
|
|
|
// ===========================================================================
|
|
|
|
@override
|
|
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;
|
|
}
|
|
|
|
// ===========================================================================
|
|
|
|
@override
|
|
Future<void> updateTransactions() async {
|
|
// Get all addresses.
|
|
final List<Address> allAddressesOld =
|
|
await fetchAddressesForElectrumXScan();
|
|
|
|
// Separate receiving and change addresses.
|
|
final Set<String> receivingAddresses = allAddressesOld
|
|
.where((e) => e.subType == AddressSubType.receiving)
|
|
.map((e) => e.value)
|
|
.toSet();
|
|
final Set<String> changeAddresses = allAddressesOld
|
|
.where((e) => e.subType == AddressSubType.change)
|
|
.map((e) => e.value)
|
|
.toSet();
|
|
|
|
// Remove duplicates.
|
|
final allAddressesSet = {...receivingAddresses, ...changeAddresses};
|
|
|
|
// Fetch history from ElectrumX.
|
|
final List<Map<String, dynamic>> allTxHashes =
|
|
await fetchHistory(allAddressesSet);
|
|
|
|
// Only parse new txs (not in db yet).
|
|
final List<Map<String, dynamic>> allTransactions = [];
|
|
for (final txHash in allTxHashes) {
|
|
// Check for duplicates by searching for tx by tx_hash in db.
|
|
final storedTx = await mainDB.isar.transactionV2s
|
|
.where()
|
|
.txidWalletIdEqualTo(txHash["tx_hash"] as String, walletId)
|
|
.findFirst();
|
|
|
|
if (storedTx == null ||
|
|
storedTx.height == null ||
|
|
(storedTx.height != null && storedTx.height! <= 0)) {
|
|
// Tx not in db yet.
|
|
final tx = await electrumXCachedClient.getTransaction(
|
|
txHash: txHash["tx_hash"] as String,
|
|
verbose: true,
|
|
cryptoCurrency: cryptoCurrency,
|
|
);
|
|
|
|
// Only tx to list once.
|
|
if (allTransactions
|
|
.indexWhere((e) => e["txid"] == tx["txid"] as String) ==
|
|
-1) {
|
|
tx["height"] = txHash["height"];
|
|
allTransactions.add(tx);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Parse all new txs.
|
|
final List<TransactionV2> txns = [];
|
|
for (final txData in allTransactions) {
|
|
bool wasSentFromThisWallet = false;
|
|
// Set to true if any inputs were detected as owned by this wallet.
|
|
|
|
bool wasReceivedInThisWallet = false;
|
|
// Set to true if any outputs were detected as owned by this wallet.
|
|
|
|
// Parse inputs.
|
|
BigInt amountReceivedInThisWallet = BigInt.zero;
|
|
BigInt changeAmountReceivedInThisWallet = BigInt.zero;
|
|
final List<InputV2> inputs = [];
|
|
for (final jsonInput in txData["vin"] as List) {
|
|
final map = Map<String, dynamic>.from(jsonInput as Map);
|
|
|
|
final List<String> addresses = [];
|
|
String valueStringSats = "0";
|
|
OutpointV2? outpoint;
|
|
|
|
final coinbase = map["coinbase"] as String?;
|
|
|
|
if (coinbase == null) {
|
|
// Not a coinbase (ie a typical input).
|
|
final txid = map["txid"] as String;
|
|
final vout = map["vout"] as int;
|
|
|
|
final inputTx = await electrumXCachedClient.getTransaction(
|
|
txHash: txid,
|
|
cryptoCurrency: cryptoCurrency,
|
|
);
|
|
|
|
final prevOutJson = Map<String, dynamic>.from(
|
|
(inputTx["vout"] as List).firstWhere((e) => e["n"] == vout) as Map,
|
|
);
|
|
|
|
final prevOut = OutputV2.fromElectrumXJson(
|
|
prevOutJson,
|
|
decimalPlaces: cryptoCurrency.fractionDigits,
|
|
isFullAmountNotSats: true,
|
|
walletOwns: false, // Doesn't matter here as this is not saved.
|
|
);
|
|
|
|
outpoint = OutpointV2.isarCantDoRequiredInDefaultConstructor(
|
|
txid: txid,
|
|
vout: vout,
|
|
);
|
|
valueStringSats = prevOut.valueStringSats;
|
|
addresses.addAll(prevOut.addresses);
|
|
}
|
|
|
|
InputV2 input = InputV2.isarCantDoRequiredInDefaultConstructor(
|
|
scriptSigHex: map["scriptSig"]?["hex"] as String?,
|
|
scriptSigAsm: map["scriptSig"]?["asm"] as String?,
|
|
sequence: map["sequence"] as int?,
|
|
outpoint: outpoint,
|
|
valueStringSats: valueStringSats,
|
|
addresses: addresses,
|
|
witness: map["witness"] as String?,
|
|
coinbase: coinbase,
|
|
innerRedeemScriptAsm: map["innerRedeemscriptAsm"] as String?,
|
|
// Need addresses before we can know if the wallet owns this input.
|
|
walletOwns: false,
|
|
);
|
|
|
|
// Check if input was from this wallet.
|
|
if (allAddressesSet.intersection(input.addresses.toSet()).isNotEmpty) {
|
|
wasSentFromThisWallet = true;
|
|
input = input.copyWith(walletOwns: true);
|
|
}
|
|
|
|
inputs.add(input);
|
|
}
|
|
|
|
// Parse outputs.
|
|
final List<OutputV2> outputs = [];
|
|
for (final outputJson in txData["vout"] as List) {
|
|
OutputV2 output = OutputV2.fromElectrumXJson(
|
|
Map<String, dynamic>.from(outputJson as Map),
|
|
decimalPlaces: cryptoCurrency.fractionDigits,
|
|
isFullAmountNotSats: true,
|
|
// Need addresses before we can know if the wallet owns this input.
|
|
walletOwns: false,
|
|
);
|
|
|
|
// If output was to my wallet, add value to amount received.
|
|
if (receivingAddresses
|
|
.intersection(output.addresses.toSet())
|
|
.isNotEmpty) {
|
|
wasReceivedInThisWallet = true;
|
|
amountReceivedInThisWallet += output.value;
|
|
output = output.copyWith(walletOwns: true);
|
|
} else if (changeAddresses
|
|
.intersection(output.addresses.toSet())
|
|
.isNotEmpty) {
|
|
wasReceivedInThisWallet = true;
|
|
changeAmountReceivedInThisWallet += output.value;
|
|
output = output.copyWith(walletOwns: true);
|
|
}
|
|
|
|
outputs.add(output);
|
|
}
|
|
|
|
final totalOut = outputs
|
|
.map((e) => e.value)
|
|
.fold(BigInt.zero, (value, element) => value + element);
|
|
|
|
TransactionType type;
|
|
final TransactionSubType subType = TransactionSubType.none;
|
|
|
|
// At least one input was owned by this wallet.
|
|
if (wasSentFromThisWallet) {
|
|
type = TransactionType.outgoing;
|
|
|
|
if (wasReceivedInThisWallet) {
|
|
if (changeAmountReceivedInThisWallet + amountReceivedInThisWallet ==
|
|
totalOut) {
|
|
// Definitely sent all to self.
|
|
type = TransactionType.sentToSelf;
|
|
} else if (amountReceivedInThisWallet == BigInt.zero) {
|
|
// Most likely just a typical send, do nothing here yet.
|
|
}
|
|
|
|
// This is where we would check for them.
|
|
// TODO: [prio=high] Check for special Dash outputs.
|
|
}
|
|
} else if (wasReceivedInThisWallet) {
|
|
// Only found outputs owned by this wallet.
|
|
type = TransactionType.incoming;
|
|
} else {
|
|
Logging.instance.log(
|
|
"Unexpected tx found (ignoring it): $txData",
|
|
level: LogLevel.Error,
|
|
);
|
|
continue;
|
|
}
|
|
|
|
final tx = TransactionV2(
|
|
walletId: walletId,
|
|
blockHash: txData["blockhash"] as String?,
|
|
hash: txData["hash"] as String,
|
|
txid: txData["txid"] as String,
|
|
height: txData["height"] as int?,
|
|
version: txData["version"] as int,
|
|
timestamp: txData["blocktime"] as int? ??
|
|
DateTime.timestamp().millisecondsSinceEpoch ~/ 1000,
|
|
inputs: List.unmodifiable(inputs),
|
|
outputs: List.unmodifiable(outputs),
|
|
type: type,
|
|
subType: subType,
|
|
otherData: null,
|
|
);
|
|
|
|
txns.add(tx);
|
|
}
|
|
|
|
await mainDB.updateOrPutTransactionV2s(txns);
|
|
}
|
|
|
|
@override
|
|
Future<({String? blockedReason, bool blocked, String? utxoLabel})>
|
|
checkBlockUTXO(
|
|
Map<String, dynamic> jsonUTXO,
|
|
String? scriptPubKeyHex,
|
|
Map<String, dynamic> jsonTX,
|
|
String? utxoOwnerAddress,
|
|
) async {
|
|
bool blocked = false;
|
|
String? blockedReason;
|
|
|
|
// // check for bip47 notification
|
|
// final outputs = jsonTX["vout"] as List;
|
|
// for (final output in outputs) {
|
|
// final List<String>? scriptChunks =
|
|
// (output['scriptPubKey']?['asm'] as String?)?.split(" ");
|
|
// if (scriptChunks?.length == 2 && scriptChunks?[0] == "OP_RETURN") {
|
|
// final blindedPaymentCode = scriptChunks![1];
|
|
// final bytes = blindedPaymentCode.toUint8ListFromHex;
|
|
//
|
|
// // https://en.bitcoin.it/wiki/BIP_0047#Sending
|
|
// if (bytes.length == 80 && bytes.first == 1) {
|
|
// blocked = true;
|
|
// blockedReason = "Paynym notification output. Incautious "
|
|
// "handling of outputs from notification transactions "
|
|
// "may cause unintended loss of privacy.";
|
|
// break;
|
|
// }
|
|
// }
|
|
// }
|
|
|
|
return (blockedReason: blockedReason, blocked: blocked, utxoLabel: null);
|
|
}
|
|
|
|
@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();
|
|
}
|
|
}
|