mirror of
https://github.com/cake-tech/cake_wallet.git
synced 2024-11-17 09:47:35 +00:00
261 lines
9.4 KiB
Dart
261 lines
9.4 KiB
Dart
import 'dart:async';
|
|
import 'package:convert/convert.dart';
|
|
import 'package:crypto/crypto.dart';
|
|
import 'package:bitcoin_base/bitcoin_base.dart';
|
|
import 'package:cw_bitcoin/bitcoin_mnemonic.dart';
|
|
import 'package:cw_bitcoin/bitcoin_transaction_priority.dart';
|
|
import 'package:cw_bitcoin/bitcoin_unspent.dart';
|
|
import 'package:cw_bitcoin/electrum_transaction_info.dart';
|
|
import 'package:cw_core/crypto_currency.dart';
|
|
import 'package:cw_core/sync_status.dart';
|
|
import 'package:cw_core/transaction_direction.dart';
|
|
import 'package:cw_core/unspent_coins_info.dart';
|
|
import 'package:cw_bitcoin/litecoin_wallet_addresses.dart';
|
|
import 'package:cw_core/transaction_priority.dart';
|
|
import 'package:flutter/foundation.dart';
|
|
import 'package:hive/hive.dart';
|
|
import 'package:mobx/mobx.dart';
|
|
import 'package:cw_core/wallet_info.dart';
|
|
import 'package:cw_core/wallet_type.dart';
|
|
import 'package:cw_bitcoin/electrum_wallet_snapshot.dart';
|
|
import 'package:cw_bitcoin/electrum_wallet.dart';
|
|
import 'package:cw_bitcoin/bitcoin_address_record.dart';
|
|
import 'package:cw_bitcoin/electrum_balance.dart';
|
|
import 'package:cw_bitcoin/litecoin_network.dart';
|
|
import 'package:cw_mweb/cw_mweb.dart';
|
|
import 'package:cw_mweb/mwebd.pb.dart';
|
|
import 'package:bitcoin_flutter/bitcoin_flutter.dart' as bitcoin;
|
|
|
|
part 'litecoin_wallet.g.dart';
|
|
|
|
class LitecoinWallet = LitecoinWalletBase with _$LitecoinWallet;
|
|
|
|
abstract class LitecoinWalletBase extends ElectrumWallet with Store {
|
|
LitecoinWalletBase({
|
|
required String mnemonic,
|
|
required String password,
|
|
required WalletInfo walletInfo,
|
|
required Box<UnspentCoinsInfo> unspentCoinsInfo,
|
|
required Uint8List seedBytes,
|
|
String? addressPageType,
|
|
List<BitcoinAddressRecord>? initialAddresses,
|
|
ElectrumBalance? initialBalance,
|
|
Map<String, int>? initialRegularAddressIndex,
|
|
Map<String, int>? initialChangeAddressIndex,
|
|
}) : mwebHd = bitcoin.HDWallet.fromSeed(seedBytes,
|
|
network: litecoinNetwork).derivePath("m/1000'"),
|
|
super(
|
|
mnemonic: mnemonic,
|
|
password: password,
|
|
walletInfo: walletInfo,
|
|
unspentCoinsInfo: unspentCoinsInfo,
|
|
networkType: litecoinNetwork,
|
|
initialAddresses: initialAddresses,
|
|
initialBalance: initialBalance,
|
|
seedBytes: seedBytes,
|
|
currency: CryptoCurrency.ltc) {
|
|
walletAddresses = LitecoinWalletAddresses(
|
|
walletInfo,
|
|
electrumClient: electrumClient,
|
|
initialAddresses: initialAddresses,
|
|
initialRegularAddressIndex: initialRegularAddressIndex,
|
|
initialChangeAddressIndex: initialChangeAddressIndex,
|
|
mainHd: hd,
|
|
sideHd: bitcoin.HDWallet.fromSeed(seedBytes, network: networkType).derivePath("m/0'/1"),
|
|
mwebHd: mwebHd,
|
|
network: network,
|
|
);
|
|
autorun((_) {
|
|
this.walletAddresses.isEnabledAutoGenerateSubaddress = this.isEnabledAutoGenerateSubaddress;
|
|
});
|
|
}
|
|
|
|
final bitcoin.HDWallet mwebHd;
|
|
|
|
static Future<LitecoinWallet> create(
|
|
{required String mnemonic,
|
|
required String password,
|
|
required WalletInfo walletInfo,
|
|
required Box<UnspentCoinsInfo> unspentCoinsInfo,
|
|
String? addressPageType,
|
|
List<BitcoinAddressRecord>? initialAddresses,
|
|
ElectrumBalance? initialBalance,
|
|
Map<String, int>? initialRegularAddressIndex,
|
|
Map<String, int>? initialChangeAddressIndex}) async {
|
|
return LitecoinWallet(
|
|
mnemonic: mnemonic,
|
|
password: password,
|
|
walletInfo: walletInfo,
|
|
unspentCoinsInfo: unspentCoinsInfo,
|
|
initialAddresses: initialAddresses,
|
|
initialBalance: initialBalance,
|
|
seedBytes: await mnemonicToSeedBytes(mnemonic),
|
|
initialRegularAddressIndex: initialRegularAddressIndex,
|
|
initialChangeAddressIndex: initialChangeAddressIndex,
|
|
addressPageType: addressPageType,
|
|
);
|
|
}
|
|
|
|
static Future<LitecoinWallet> open({
|
|
required String name,
|
|
required WalletInfo walletInfo,
|
|
required Box<UnspentCoinsInfo> unspentCoinsInfo,
|
|
required String password,
|
|
}) async {
|
|
final snp =
|
|
await ElectrumWalletSnapshot.load(name, walletInfo.type, password, LitecoinNetwork.mainnet);
|
|
return LitecoinWallet(
|
|
mnemonic: snp.mnemonic,
|
|
password: password,
|
|
walletInfo: walletInfo,
|
|
unspentCoinsInfo: unspentCoinsInfo,
|
|
initialAddresses: snp.addresses,
|
|
initialBalance: snp.balance,
|
|
seedBytes: await mnemonicToSeedBytes(snp.mnemonic),
|
|
initialRegularAddressIndex: snp.regularAddressIndex,
|
|
initialChangeAddressIndex: snp.changeAddressIndex,
|
|
addressPageType: snp.addressPageType,
|
|
);
|
|
}
|
|
|
|
@action
|
|
@override
|
|
Future<void> startSync() async {
|
|
await super.startSync();
|
|
final stub = await CwMweb.stub();
|
|
Timer.periodic(
|
|
const Duration(milliseconds: 1500), (timer) async {
|
|
final height = await electrumClient.getCurrentBlockChainTip() ?? 0;
|
|
final resp = await stub.status(StatusRequest());
|
|
if (resp.blockHeaderHeight < height) {
|
|
int h = resp.blockHeaderHeight;
|
|
syncStatus = SyncingSyncStatus(height - h, h / height);
|
|
} else if (resp.mwebHeaderHeight < height) {
|
|
int h = resp.mwebHeaderHeight;
|
|
syncStatus = SyncingSyncStatus(height - h, h / height);
|
|
} else if (resp.mwebUtxosHeight < height) {
|
|
syncStatus = SyncingSyncStatus(1, 0.999);
|
|
} else {
|
|
syncStatus = SyncedSyncStatus();
|
|
}
|
|
});
|
|
processMwebUtxos();
|
|
}
|
|
|
|
final Map<String, Utxo> mwebUtxos = {};
|
|
|
|
Future<void> processMwebUtxos() async {
|
|
final stub = await CwMweb.stub();
|
|
final scanSecret = mwebHd.derive(0x80000000).privKey!;
|
|
final req = UtxosRequest(scanSecret: hex.decode(scanSecret));
|
|
await for (var utxo in stub.utxos(req)) {
|
|
final mwebAddrs = (walletAddresses as LitecoinWalletAddresses).mwebAddrs;
|
|
if (!mwebAddrs.contains(utxo.address)) continue;
|
|
mwebUtxos[utxo.outputId] = utxo;
|
|
|
|
final status = await stub.status(StatusRequest());
|
|
var date = DateTime.now();
|
|
var confirmations = 0;
|
|
if (utxo.height > 0) {
|
|
date = await electrumClient.getBlockTime(height: utxo.height);
|
|
confirmations = status.blockHeaderHeight - utxo.height + 1;
|
|
}
|
|
final tx = ElectrumTransactionInfo(WalletType.litecoin,
|
|
id: utxo.outputId, height: utxo.height,
|
|
amount: utxo.value.toInt(), fee: 0,
|
|
direction: TransactionDirection.incoming,
|
|
isPending: utxo.height == 0,
|
|
date: date, confirmations: confirmations,
|
|
inputAddresses: [],
|
|
outputAddresses: [utxo.address]);
|
|
transactionHistory.addOne(tx);
|
|
await transactionHistory.save();
|
|
await updateUnspent();
|
|
await updateBalance();
|
|
}
|
|
}
|
|
|
|
Future<void> checkMwebUtxosSpent() async {
|
|
final List<String> outputIds = [];
|
|
mwebUtxos.forEach((outputId, utxo) {
|
|
if (utxo.height > 0)
|
|
outputIds.add(outputId);
|
|
});
|
|
final stub = await CwMweb.stub();
|
|
final resp = await stub.spent(SpentRequest(outputId: outputIds));
|
|
final spent = resp.outputId;
|
|
if (spent.isEmpty) return;
|
|
final status = await stub.status(StatusRequest());
|
|
final height = await electrumClient.getCurrentBlockChainTip();
|
|
if (height == null || status.mwebUtxosHeight != height) return;
|
|
final date = await electrumClient.getBlockTime(height: height);
|
|
int amount = 0;
|
|
Set<String> inputAddresses = {};
|
|
var output = AccumulatorSink<Digest>();
|
|
var input = sha256.startChunkedConversion(output);
|
|
for (final outputId in spent) {
|
|
input.add(hex.decode(outputId));
|
|
amount += mwebUtxos[outputId]!.value.toInt();
|
|
inputAddresses.add(mwebUtxos[outputId]!.address);
|
|
mwebUtxos.remove(outputId);
|
|
}
|
|
input.close();
|
|
var digest = output.events.single;
|
|
final tx = ElectrumTransactionInfo(WalletType.litecoin,
|
|
id: digest.toString(), height: height,
|
|
amount: amount, fee: 0,
|
|
direction: TransactionDirection.outgoing,
|
|
isPending: false,
|
|
date: date, confirmations: 1,
|
|
inputAddresses: inputAddresses.toList(),
|
|
outputAddresses: []);
|
|
transactionHistory.addOne(tx);
|
|
await transactionHistory.save();
|
|
}
|
|
|
|
@override
|
|
Future<void> updateUnspentCoins() async {
|
|
await super.updateUnspentCoins();
|
|
await checkMwebUtxosSpent();
|
|
final mwebAddrs = (walletAddresses as LitecoinWalletAddresses).mwebAddrs;
|
|
mwebUtxos.forEach((outputId, utxo) {
|
|
final addressRecord = walletAddresses.allAddresses.firstWhere(
|
|
(addressRecord) => addressRecord.address == utxo.address);
|
|
unspentCoins.add(BitcoinUnspent(addressRecord, outputId,
|
|
utxo.value.toInt(), mwebAddrs.indexOf(utxo.address)));
|
|
});
|
|
}
|
|
|
|
@override
|
|
Future<void> updateBalance() async {
|
|
await super.updateBalance();
|
|
var confirmed = balance[currency]!.confirmed;
|
|
var unconfirmed = balance[currency]!.unconfirmed;
|
|
mwebUtxos.values.forEach((utxo) {
|
|
if (utxo.height > 0)
|
|
confirmed += utxo.value.toInt();
|
|
else
|
|
unconfirmed += utxo.value.toInt();
|
|
});
|
|
balance[currency] = ElectrumBalance(
|
|
confirmed: confirmed, unconfirmed: unconfirmed,
|
|
frozen: balance[currency]!.frozen);
|
|
await save();
|
|
}
|
|
|
|
@override
|
|
int feeRate(TransactionPriority priority) {
|
|
if (priority is LitecoinTransactionPriority) {
|
|
switch (priority) {
|
|
case LitecoinTransactionPriority.slow:
|
|
return 1;
|
|
case LitecoinTransactionPriority.medium:
|
|
return 2;
|
|
case LitecoinTransactionPriority.fast:
|
|
return 3;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
}
|