cake_wallet/lib/entities/background_tasks.dart

346 lines
12 KiB
Dart

import 'dart:io';
// import 'package:bitcoin_flutter/bitcoin_flutter.dart' as bitcoin;
import 'package:cake_wallet/core/wallet_loading_service.dart';
import 'package:cake_wallet/entities/preferences_key.dart';
import 'package:cake_wallet/store/settings_store.dart';
import 'package:cake_wallet/utils/device_info.dart';
import 'package:cake_wallet/view_model/settings/sync_mode.dart';
import 'package:cake_wallet/view_model/wallet_list/wallet_list_item.dart';
import 'package:cake_wallet/view_model/wallet_list/wallet_list_view_model.dart';
// import 'package:cw_bitcoin/bitcoin_address_record.dart';
// import 'package:cw_bitcoin/bitcoin_unspent.dart';
// import 'package:cw_bitcoin/bitcoin_wallet.dart';
import 'package:cw_core/wallet_base.dart';
import 'package:cw_core/wallet_type.dart';
import 'package:flutter/foundation.dart';
// import 'package:flutter/services.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:workmanager/workmanager.dart';
import 'package:cake_wallet/main.dart';
import 'package:cake_wallet/di.dart';
const moneroSyncTaskKey = "com.fotolockr.cakewallet.monero_sync_task";
// const bitcoinSilentPaymentsSyncTaskKey = "com.fotolockr.cakewallet.bitcoin_sync_task";
@pragma('vm:entry-point')
void callbackDispatcher() {
Workmanager().executeTask((task, inputData) async {
try {
switch (task) {
case moneroSyncTaskKey:
/// The work manager runs on a separate isolate from the main flutter isolate.
/// thus we initialize app configs first; hive, getIt, etc...
await initializeAppConfigs();
final walletLoadingService = getIt.get<WalletLoadingService>();
final node = getIt.get<SettingsStore>().getCurrentNode(WalletType.monero);
final typeRaw = getIt.get<SharedPreferences>().getInt(PreferencesKey.currentWalletType);
WalletBase? wallet;
if (inputData!['sync_all'] as bool) {
/// get all Monero wallets of the user and sync them
final List<WalletListItem> moneroWallets = getIt
.get<WalletListViewModel>()
.wallets
.where((element) => element.type == WalletType.monero)
.toList();
for (int i = 0; i < moneroWallets.length; i++) {
wallet = await walletLoadingService.load(WalletType.monero, moneroWallets[i].name);
await wallet.connectToNode(node: node);
await wallet.startSync();
}
} else {
/// if the user chose to sync only active wallet
/// if the current wallet is monero; sync it only
if (typeRaw == WalletType.monero.index) {
final name =
getIt.get<SharedPreferences>().getString(PreferencesKey.currentWalletName);
wallet = await walletLoadingService.load(WalletType.monero, name!);
await wallet.connectToNode(node: node);
await wallet.startSync();
}
}
if (wallet?.syncStatus.progress() == null) {
return Future.error("No Monero wallet found");
}
for (int i = 0;; i++) {
await Future<void>.delayed(const Duration(seconds: 1));
if (wallet?.syncStatus.progress() == 1.0) {
break;
}
if (i > 600) {
return Future.error("Synchronization Timed out");
}
}
break;
// case bitcoinSilentPaymentsSyncTaskKey:
// /// The work manager runs on a separate isolate from the main flutter isolate.
// /// thus we initialize app configs first; hive, getIt, etc...
// await initializeAppConfigs();
// final walletLoadingService = getIt.get<WalletLoadingService>();
// final name = getIt.get<SharedPreferences>().getString(PreferencesKey.currentWalletName);
// final wallet =
// await walletLoadingService.load(WalletType.bitcoin, name!) as BitcoinWallet;
// String? checkpointTx = inputData!["checkpoint_tx"] as String?;
// try {
// final height = wallet.walletInfo.restoreHeight;
// print(["HEIGHT:", height]);
// List<String> txids = [];
// int pos = 0;
// while (pos < 150) {
// var txid = await wallet.electrumClient.getTxidFromPos(height: height, pos: pos);
// print(["TXID", txid]);
// txids.add(txid);
// pos++;
// }
// if (checkpointTx != null && checkpointTx.isNotEmpty) {
// txids = txids.sublist(txids.indexOf(checkpointTx) + 1);
// }
// List<BitcoinUnspent> unspentCoins = [];
// for (var txid in txids) {
// checkpointTx = txid.toString();
// List<String> pubkeys = [];
// List<bitcoin.Outpoint> outpoints = [];
// Map<String, bitcoin.Outpoint> outpointsByP2TRpubkey = {};
// // final txInfo =
// // await wallet.fetchTransactionInfo(hash: txid.toString(), height: height);
// // print(txInfo);
// bool skip = false;
// // obj["vin"].forEach((input) {
// // if (input["witness"] == null) {
// // skip = true;
// // return;
// // }
// // final witness = input["witness"] as List<dynamic>;
// // if (witness.length != 2) {
// // skip = true;
// // return;
// // }
// // final pubkey = witness[1] as String;
// // pubkeys.add(pubkey);
// // outpoints.add(bitcoin.Outpoint(txid: input["txid"] as String, index: input["vout"] as int));
// // });
// // if (skip) continue;
// // int i = 0;
// // obj['vout'].forEach((out) {
// // if (out["scriptpubkey_type"] != "v1_p2tr") {
// // return;
// // }
// // outpointsByP2TRpubkey[out['scriptpubkey_address'] as String] =
// // bitcoin.Outpoint(txid: txid.toString(), index: i, value: out["value"] as int);
// // i++;
// // });
// if (pubkeys.isEmpty && outpoints.isEmpty && outpointsByP2TRpubkey.isEmpty) {
// continue;
// }
// Uint8List sumOfInputPublicKeys =
// bitcoin.getSumInputPubKeys(pubkeys).toCompressedHex().fromHex;
// final outpointHash = bitcoin.SilentPayment.hashOutpoints(outpoints);
// final result = bitcoin.scanOutputs(
// wallet.walletAddresses.silentAddress!.scanPrivkey.toCompressedHex().fromHex,
// wallet.walletAddresses.silentAddress!.spendPubkey.toCompressedHex().fromHex,
// sumOfInputPublicKeys,
// outpointHash,
// outpointsByP2TRpubkey.keys.toList());
// if (result.isEmpty) {
// continue;
// }
// result.forEach((key, value) {
// final outpoint = outpointsByP2TRpubkey[key];
// if (outpoint == null) {
// return;
// }
// unspentCoins.add(BitcoinUnspent(
// BitcoinAddressRecord(key, index: 0),
// outpoint.txid,
// outpoint.value!,
// outpoint.index,
// silentPaymentTweak: value,
// ));
// });
// }
// break;
// } catch (e, stacktrace) {
// print(stacktrace);
// print(e.toString());
// // timeout, wait 30sec
// // return Future.delayed(const Duration(seconds: 30),
// // () => startRefresh({"checkpoint_tx": checkpointTx ?? ""}));
// }
// break;
}
return Future.value(true);
} catch (error, stackTrace) {
print(error);
print(stackTrace);
return Future.error(error);
}
});
}
class BackgroundTasks {
void registerSyncTask({bool changeExisting = false}) async {
try {
bool hasMonero = getIt
.get<WalletListViewModel>()
.wallets
.any((element) => element.type == WalletType.monero);
/// if its not android nor ios, or the user has no monero wallets; exit
if (DeviceInfo.instance.isMobile && hasMonero) {
final settingsStore = getIt.get<SettingsStore>();
final SyncMode syncMode = settingsStore.currentSyncMode;
final bool syncAll = settingsStore.currentSyncAll;
if (syncMode.type == SyncType.disabled) {
cancelSyncTask();
return;
}
await Workmanager().initialize(
callbackDispatcher,
isInDebugMode: kDebugMode,
);
final inputData = <String, dynamic>{"sync_all": syncAll};
final constraints = Constraints(
networkType:
syncMode.type == SyncType.unobtrusive ? NetworkType.unmetered : NetworkType.connected,
requiresBatteryNotLow: syncMode.type == SyncType.unobtrusive,
requiresCharging: syncMode.type == SyncType.unobtrusive,
requiresDeviceIdle: syncMode.type == SyncType.unobtrusive,
);
if (Platform.isIOS) {
await Workmanager().registerOneOffTask(
moneroSyncTaskKey,
moneroSyncTaskKey,
initialDelay: syncMode.frequency,
existingWorkPolicy: ExistingWorkPolicy.replace,
inputData: inputData,
constraints: constraints,
);
return;
}
await Workmanager().registerPeriodicTask(
moneroSyncTaskKey,
moneroSyncTaskKey,
initialDelay: syncMode.frequency,
frequency: syncMode.frequency,
existingWorkPolicy: changeExisting ? ExistingWorkPolicy.replace : ExistingWorkPolicy.keep,
inputData: inputData,
constraints: constraints,
);
}
// bool hasBitcoin = getIt
// .get<WalletListViewModel>()
// .wallets
// .any((element) => element.type == WalletType.bitcoin);
// /// if its not android nor ios, or the user has no monero wallets; exit
// if (hasBitcoin) {
// final settingsStore = getIt.get<SettingsStore>();
// final SyncMode syncMode = settingsStore.currentSyncMode;
// final bool syncAll = settingsStore.currentSyncAll;
// if (syncMode.type == SyncType.disabled) {
// cancelSyncTask();
// return;
// }
// await Workmanager().initialize(
// callbackDispatcher,
// isInDebugMode: kDebugMode,
// );
// final inputData = <String, dynamic>{"sync_all": syncAll};
// final constraints = Constraints(
// networkType:
// syncMode.type == SyncType.unobtrusive ? NetworkType.unmetered : NetworkType.connected,
// requiresBatteryNotLow: syncMode.type == SyncType.unobtrusive,
// requiresCharging: syncMode.type == SyncType.unobtrusive,
// requiresDeviceIdle: syncMode.type == SyncType.unobtrusive,
// );
// if (Platform.isIOS) {
// await Workmanager().registerOneOffTask(
// bitcoinSilentPaymentsSyncTaskKey,
// bitcoinSilentPaymentsSyncTaskKey,
// initialDelay: syncMode.frequency,
// existingWorkPolicy: ExistingWorkPolicy.replace,
// inputData: inputData,
// constraints: constraints,
// );
// return;
// }
// await Workmanager().registerPeriodicTask(
// bitcoinSilentPaymentsSyncTaskKey,
// bitcoinSilentPaymentsSyncTaskKey,
// initialDelay: syncMode.frequency,
// frequency: syncMode.frequency,
// existingWorkPolicy: changeExisting ? ExistingWorkPolicy.replace : ExistingWorkPolicy.keep,
// inputData: inputData,
// constraints: constraints,
// );
// }
} catch (error, stackTrace) {
print(error);
print(stackTrace);
}
}
void cancelSyncTask() {
try {
Workmanager().cancelByUniqueName(moneroSyncTaskKey);
} catch (error, stackTrace) {
print(error);
print(stackTrace);
}
}
}