stack_wallet/lib/services/mixins/fusion_interface.dart
2023-08-14 11:00:35 -05:00

224 lines
5.5 KiB
Dart

import 'dart:io';
import 'package:fusiondart/fusiondart.dart';
import 'package:fusiondart/src/models/address.dart' as cash_fusion;
import 'package:isar/isar.dart';
import 'package:stackwallet/db/isar/main_db.dart';
import 'package:stackwallet/models/isar/models/isar_models.dart';
import 'package:stackwallet/utilities/enums/coin_enum.dart';
import 'package:stackwallet/utilities/enums/derive_path_type_enum.dart';
const String kReservedFusionAddress = "reserved_fusion_address";
mixin FusionInterface {
// passed in wallet data
late final String _walletId;
late final Coin _coin;
late final MainDB _db;
// passed in wallet functions
late final Future<Address> Function(
int chain,
int index,
DerivePathType derivePathType,
) _generateAddressForChain;
void initFusionInterface({
required String walletId,
required Coin coin,
required MainDB db,
required Future<Address> Function(
int,
int,
DerivePathType,
) generateAddressForChain,
}) {
_walletId = walletId;
_coin = coin;
_db = db;
_generateAddressForChain = generateAddressForChain;
}
Future<cash_fusion.Address> createNewReservedChangeAddress() async {
int? highestChangeIndex = await _db
.getAddresses(_walletId)
.filter()
.typeEqualTo(AddressType.p2pkh)
.subTypeEqualTo(AddressSubType.change)
.derivationPath((q) => q.not().valueStartsWith("m/44'/0'"))
.sortByDerivationIndexDesc()
.derivationIndexProperty()
.findFirst();
Address address = await _generateAddressForChain(
1, // change chain
highestChangeIndex ?? 0,
DerivePathTypeExt.primaryFor(_coin),
);
address = address.copyWith(otherData: kReservedFusionAddress);
// TODO if we really want to be sure its not used, call electrumx and check it
await _db.putAddress(address);
return address.toFusionAddress();
}
Future<List<cash_fusion.Address>> getUnusedReservedChangeAddresses(
int numberOfAddresses,
) async {
final txns = await _db
.getTransactions(_walletId)
.filter()
.address((q) => q.otherDataEqualTo(kReservedFusionAddress))
.findAll();
final List<String> usedAddresses = txns
.where((e) => e.address.value != null)
.map((e) => e.address.value!.value)
.toList(growable: false);
final List<Address> addresses = await _db
.getAddresses(_walletId)
.filter()
.otherDataEqualTo(kReservedFusionAddress)
.findAll();
final List<cash_fusion.Address> unusedAddresses = [];
for (final address in addresses) {
if (!usedAddresses.contains(address.value)) {
unusedAddresses.add(address.toFusionAddress());
}
}
if (unusedAddresses.length < numberOfAddresses) {
for (int i = unusedAddresses.length; i < numberOfAddresses; i++) {
unusedAddresses.add(await createNewReservedChangeAddress());
}
}
return unusedAddresses;
}
void fuse() async {
// Initial attempt for CashFusion integration goes here.
Fusion mainFusionObject = Fusion(
createNewReservedChangeAddress: () => createNewReservedChangeAddress(),
getUnusedReservedChangeAddresses: (int numberOfAddresses) =>
getUnusedReservedChangeAddresses(numberOfAddresses),
);
// add stack utxos
List<UTXO> utxos = await _db.getUTXOs(_walletId).findAll();
await mainFusionObject.add_coins_from_wallet(utxos
.map((e) => (txid: e.txid, vout: e.vout, value: e.value))
.toList());
// fuse utxos
await mainFusionObject.fusion_run();
//print ("DEBUG FUSION bitcoincash_wallet.dart 1202");
/*
print("DEBUG: Waiting for any potential incoming data...");
try {
await Future.delayed(Duration(seconds: 5)); // wait for 5 seconds
}
catch (e) {
print (e);
}
print("DEBUG: Done waiting.");
*/
bool mydebug1 = false;
if (mydebug1 == true) {
var serverIp = '167.114.119.46';
var serverPort = 8787;
List<int> frame = [
118,
91,
232,
180,
228,
57,
109,
207,
0,
0,
0,
45,
10,
43,
10,
7,
97,
108,
112,
104,
97,
49,
51,
18,
32,
111,
226,
140,
10,
182,
241,
179,
114,
193,
166,
162,
70,
174,
99,
247,
79,
147,
30,
131,
101,
225,
90,
8,
156,
104,
214,
25,
0,
0,
0,
0,
0
];
print("lets try to connect to a socket again");
var socket = await Socket.connect(serverIp, serverPort);
print('Connected to the server.');
socket.add(frame);
print('Sent frame: $frame');
socket.listen((data) {
print('Received from server: $data');
}, onDone: () {
print('Server closed connection.');
socket.destroy();
}, onError: (error) {
print('Error: $error');
socket.destroy();
});
}
// await _checkCurrentChangeAddressesForTransactions();
// await _checkCurrentReceivingAddressesForTransactions();
}
Future<void> refreshFusion() {
// TODO
throw UnimplementedError(
"TODO refreshFusion eg look up number of fusion participants connected/coordinating");
}
}