stack_wallet/lib/wallets/wallet/impl/dogecoin_wallet.dart

110 lines
3.6 KiB
Dart

import 'package:isar/isar.dart';
import 'package:stackwallet/models/isar/models/blockchain_data/address.dart';
import 'package:stackwallet/utilities/amount/amount.dart';
import 'package:stackwallet/utilities/extensions/extensions.dart';
import 'package:stackwallet/wallets/crypto_currency/coins/dogecoin.dart';
import 'package:stackwallet/wallets/crypto_currency/crypto_currency.dart';
import 'package:stackwallet/wallets/wallet/intermediate/bip39_hd_wallet.dart';
import 'package:stackwallet/wallets/wallet/wallet_mixin_interfaces/coin_control_interface.dart';
import 'package:stackwallet/wallets/wallet/wallet_mixin_interfaces/electrumx_interface.dart';
import 'package:tuple/tuple.dart';
class DogecoinWallet extends Bip39HDWallet
with ElectrumXInterface, CoinControlInterface {
DogecoinWallet(CryptoCurrencyNetwork network) : super(Dogecoin(network));
@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 {
final currentChainHeight = await fetchChainHeight();
// TODO: [prio=med] switch to V2 transactions
final data = await fetchTransactionsV1(
addresses: await fetchAddressesForElectrumXScan(),
currentChainHeight: currentChainHeight,
);
await mainDB.addNewTransactionData(
data
.map((e) => Tuple2(
e.transaction,
e.address,
))
.toList(),
walletId,
);
}
@override
({String? blockedReason, bool blocked}) checkBlockUTXO(
Map<String, dynamic> jsonUTXO,
String? scriptPubKeyHex,
Map<String, dynamic> jsonTX,
) {
bool blocked = false;
String? blockedReason;
// check for bip47 notification
final outputs = jsonTX["vout"] as List;
for (final output in outputs) {
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);
}
@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();
}
}