cake_wallet/lib/view_model/wallet_creation_vm.dart
2023-07-04 23:04:34 +01:00

431 lines
15 KiB
Dart

import 'dart:async';
import 'dart:developer';
import 'package:cake_wallet/core/wallet_creation_service.dart';
import 'package:cake_wallet/entities/load_current_wallet.dart';
import 'package:cake_wallet/store/dashboard/fiat_conversion_store.dart';
import 'package:cake_wallet/view_model/restore/restore_mode.dart';
import 'package:cake_wallet/view_model/restore/restore_wallet.dart';
import 'package:cake_wallet/view_model/send/output.dart';
import 'package:cw_core/balance.dart';
import 'package:cw_core/pending_transaction.dart';
import 'package:cw_core/sync_status.dart';
import 'package:cw_core/transaction_history.dart';
import 'package:cw_core/transaction_info.dart';
import 'package:hive/hive.dart';
import 'package:mobx/mobx.dart';
import 'package:cake_wallet/core/execution_state.dart';
import 'package:cw_core/wallet_base.dart';
import 'package:cw_core/wallet_credentials.dart';
import 'package:cw_core/pathForWallet.dart';
import 'package:cw_core/wallet_info.dart';
import 'package:cw_core/wallet_type.dart';
import 'package:cake_wallet/store/app_store.dart';
import 'package:cake_wallet/entities/generate_name.dart';
import 'package:cake_wallet/monero/monero.dart';
import 'package:cake_wallet/bitcoin/bitcoin.dart';
import 'package:cake_wallet/haven/haven.dart';
part 'wallet_creation_vm.g.dart';
class WalletCreationVM = WalletCreationVMBase with _$WalletCreationVM;
abstract class WalletCreationVMBase with Store {
WalletCreationVMBase(this._appStore, this._walletInfoSource,
this.walletCreationService, this._fiatConversationStore,
{required this.type, required this.isRecovery})
: state = InitialExecutionState(),
name = '';
@observable
String name;
@observable
ExecutionState state;
@observable
PendingTransaction? pendingTransaction;
WalletType type;
final bool isRecovery;
final WalletCreationService walletCreationService;
final Box<WalletInfo> _walletInfoSource;
final AppStore _appStore;
final FiatConversionStore _fiatConversationStore;
bool nameExists(String name) => walletCreationService.exists(name);
bool typeExists(WalletType type) => walletCreationService.typeExists(type);
Future<void> create({dynamic options, RestoredWallet? restoreWallet}) async {
final type = restoreWallet?.type ?? this.type;
try {
//! Create a restoredWallet from the scanned wallet parameters
final restoredWallet = await createNewWalletWithoutSwitching(
options: options, restoreWallet: restoreWallet);
print(
'Restored Wallet Address ' + restoredWallet.walletAddresses.address);
//TODO Get transactions details to verify 10 confirmations
// if (restoreWallet != null &&
// restoreWallet.restoreMode == WalletRestoreMode.txids) {
//* Switch to the restoredWallet in order to activate the node connection
await _walletInfoSource.add(restoredWallet.walletInfo);
await connectToNode(restoredWallet);
_appStore.changeCurrentWallet(restoredWallet);
await loadCurrentWallet();
await restoredWallet.startSync();
print('Before syncing starts');
await syncCompleter.future;
print('After syncing ends');
// * Create the newWallet that will receive the funds
final newWallet = await createNewWalletWithoutSwitching(
options: options,
regenerateName: true,
);
final newWalletAddress = newWallet.walletAddresses.address;
print('New Wallet Address ' + newWalletAddress);
// * Sweep all funds from restoredWallet to newWallet
await sweepAllFundsToNewWallet(
restoredWallet,
type,
newWalletAddress,
restoreWallet?.txId ?? '',
);
// } else {
// await _walletInfoSource.add(restoredWallet.walletInfo);
// _appStore.changeCurrentWallet(restoredWallet);
_appStore.authenticationStore.allowed();
state = ExecutedSuccessfullyState();
// }
} catch (e) {
print('Errorrrrr');
state = FailureState(e.toString());
}
}
Future<void> connectToNode(
WalletBase<Balance, TransactionHistoryBase<TransactionInfo>,
TransactionInfo>
wallet) async {
final node = _appStore.settingsStore.getCurrentNode(wallet.type);
await wallet.connectToNode(node: node);
}
Future<
WalletBase<Balance, TransactionHistoryBase<TransactionInfo>,
TransactionInfo>> createNewWalletWithoutSwitching(
{dynamic options,
RestoredWallet? restoreWallet,
bool regenerateName = false}) async {
state = IsExecutingState();
if (name.isEmpty) {
name = await generateName();
}
if (regenerateName) {
name = await generateName();
}
walletCreationService.checkIfExists(name);
final dirPath = await pathForWalletDir(name: name, type: type);
final path = await pathForWallet(name: name, type: type);
final credentials = restoreWallet != null
? getCredentialsFromRestoredWallet(options, restoreWallet)
: getCredentials(options);
final walletInfo = WalletInfo.external(
id: WalletBase.idFor(name, type),
name: name,
type: type,
isRecovery: isRecovery,
restoreHeight: credentials.height ?? 0,
date: DateTime.now(),
path: path,
dirPath: dirPath,
address: '',
showIntroCakePayCard: (!walletCreationService.typeExists(type)) &&
type != WalletType.haven);
credentials.walletInfo = walletInfo;
final wallet = restoreWallet != null
? await processFromRestoredWallet(credentials, restoreWallet)
: await process(credentials);
walletInfo.address = wallet.walletAddresses.address;
return wallet;
}
Future<void> sweepAllFundsToNewWallet(
WalletBase<Balance, TransactionHistoryBase<TransactionInfo>,
TransactionInfo>
wallet,
WalletType type,
String newWalletAddress,
String paymentId) async {
final output = Output(wallet, _appStore.settingsStore,
_fiatConversationStore, () => wallet.currency);
output.address = newWalletAddress;
output.sendAll = true;
output.note = 'testing the sweep all function';
final credentials = _credentials(type, wallet.currency.title, output);
print('About to enter create function');
try {
await createTransaction(wallet, credentials);
// final currentNode = _appStore.settingsStore.getCurrentNode(type);
// final result = await walletCreationService.sweepAllFunds(currentNode, newWalletAddress, paymentId);
//* Switch back to new wallet
_appStore.changeCurrentWallet(wallet);
//* Add the new Wallet info to the walletInfoSource
await _walletInfoSource.add(wallet.walletInfo);
//* Approve authentication as successful
_appStore.authenticationStore.allowed();
print('Successfully done inisde sweep all');
state = ExecutedSuccessfullyState();
} catch (e) {
state = FailureState(e.toString());
}
}
Object _credentials(
WalletType type, String cryptoCurrencyTitle, Output output) {
switch (type) {
case WalletType.bitcoin:
final priority = _appStore.settingsStore.priority[type];
if (priority == null) {
throw Exception('Priority is null for wallet type: ${type}');
}
return bitcoin!
.createBitcoinTransactionCredentials([output], priority: priority);
case WalletType.litecoin:
final priority = _appStore.settingsStore.priority[type];
if (priority == null) {
throw Exception('Priority is null for wallet type: ${type}');
}
return bitcoin!
.createBitcoinTransactionCredentials([output], priority: priority);
case WalletType.monero:
final priority = _appStore.settingsStore.priority[type];
if (priority == null) {
throw Exception('Priority is null for wallet type: ${type}');
}
return monero!.createMoneroTransactionCreationCredentials(
outputs: [output], priority: priority);
case WalletType.haven:
final priority = _appStore.settingsStore.priority[type];
if (priority == null) {
throw Exception('Priority is null for wallet type: ${type}');
}
return haven!.createHavenTransactionCreationCredentials(
outputs: [output],
priority: priority,
assetType: cryptoCurrencyTitle);
default:
throw Exception('Unexpected wallet type: ${type}');
}
}
@action
Future<void> createTransaction(WalletBase wallet, Object credentials) async {
try {
print('in here');
state = IsExecutingState();
print('about to enter wallet create transaction function');
pendingTransaction = await wallet.createTransaction(credentials);
state = ExecutedSuccessfullyState();
} catch (e) {
state = FailureState(e.toString());
}
}
WalletCredentials getCredentials(dynamic options) {
switch (type) {
case WalletType.monero:
return monero!.createMoneroNewWalletCredentials(
name: name, language: options as String? ?? '');
case WalletType.bitcoin:
return bitcoin!.createBitcoinNewWalletCredentials(name: name);
case WalletType.litecoin:
return bitcoin!.createBitcoinNewWalletCredentials(name: name);
case WalletType.haven:
return haven!.createHavenNewWalletCredentials(
name: name, language: options as String? ?? '');
default:
throw Exception('Unexpected type: ${type.toString()}');
}
}
Future<WalletBase> process(WalletCredentials credentials) {
walletCreationService.changeWalletType(type: type);
return walletCreationService.create(credentials);
}
WalletCredentials getCredentialsFromRestoredWallet(
dynamic options, RestoredWallet restoreWallet) =>
throw UnimplementedError();
Future<WalletBase> processFromRestoredWallet(
WalletCredentials credentials, RestoredWallet restoreWallet) =>
throw UnimplementedError();
}
// class SweepAllService {
// final AppStore _appStore;
// final WalletBase<Balance, TransactionHistoryBase<TransactionInfo>,
// TransactionInfo> restoredWallet;
// final WalletBase<Balance, TransactionHistoryBase<TransactionInfo>,
// TransactionInfo> newWallet;
// final FiatConversionStore _fiatConversationStore;
// final Box<WalletInfo> _walletInfoSource;
// final String? txId;
// SweepAllService(
// this._appStore,
// this.restoredWallet,
// this._fiatConversationStore,
// this._walletInfoSource,
// this.newWallet,
// this.txId,
// );
// Future<void> create() async {
// try {
// //* Connect to the Node first
// await connectToNode(restoredWallet);
// //* Switch wallet to that of the restoredWallet
// _appStore.changeCurrentWallet(restoredWallet);
// //* Load the restore wallet to imitate actual loading
// await loadCurrentWallet();
// //* Start the sync
// await restoredWallet.startSync();
// print('Before syncing starts');
// await syncCompleter.future;
// print('After syncing ends');
// // * Sweep all funds from restoredWallet to newWallet
// await sweepAllFundsToNewWallet(
// restoredWallet,
// restoredWallet.type,
// newWallet.walletAddresses.address,
// txId ?? '',
// );
// //* Switch back to new wallet
// _appStore.changeCurrentWallet(newWallet);
// //* Add the new Wallet info to the walletInfoSource
// await _walletInfoSource.add(newWallet.walletInfo);
// //* Approve authentication as successful
// _appStore.authenticationStore.allowed();
// } catch (e) {
// print('Errorrrrr');
// }
// }
// Future<void> connectToNode(
// WalletBase<Balance, TransactionHistoryBase<TransactionInfo>,
// TransactionInfo>
// wallet) async {
// final node = _appStore.settingsStore.getCurrentNode(wallet.type);
// await wallet.connectToNode(node: node);
// }
// Future<void> sweepAllFundsToNewWallet(
// WalletBase<Balance, TransactionHistoryBase<TransactionInfo>,
// TransactionInfo>
// wallet,
// WalletType type,
// String newWalletAddress,
// String paymentId) async {
// final output = Output(wallet, _appStore.settingsStore,
// _fiatConversationStore, () => wallet.currency);
// output.address = newWalletAddress;
// output.sendAll = true;
// output.note = 'testing the sweep all function';
// final credentials = _credentials(type, wallet.currency.title, output);
// print('About to enter create function');
// try {
// await createTransaction(wallet, credentials);
// // final currentNode = _appStore.settingsStore.getCurrentNode(type);
// // final result = await walletCreationService.sweepAllFunds(currentNode, newWalletAddress, paymentId);
// } catch (e) {
// log(e.toString());
// }
// }
// @action
// Future<void> createTransaction(WalletBase wallet, Object credentials) async {
// try {
// print('about to enter wallet create transaction function');
// final pendingTransaction = await wallet.createTransaction(credentials);
// print(pendingTransaction);
// } catch (e) {
// log(e.toString());
// }
// }
// Object _credentials(
// WalletType type, String cryptoCurrencyTitle, Output output) {
// switch (type) {
// case WalletType.bitcoin:
// final priority = _appStore.settingsStore.priority[type];
// if (priority == null) {
// throw Exception('Priority is null for wallet type: ${type}');
// }
// return bitcoin!
// .createBitcoinTransactionCredentials([output], priority: priority);
// case WalletType.litecoin:
// final priority = _appStore.settingsStore.priority[type];
// if (priority == null) {
// throw Exception('Priority is null for wallet type: ${type}');
// }
// return bitcoin!
// .createBitcoinTransactionCredentials([output], priority: priority);
// case WalletType.monero:
// final priority = _appStore.settingsStore.priority[type];
// if (priority == null) {
// throw Exception('Priority is null for wallet type: ${type}');
// }
// return monero!.createMoneroTransactionCreationCredentials(
// outputs: [output], priority: priority);
// case WalletType.haven:
// final priority = _appStore.settingsStore.priority[type];
// if (priority == null) {
// throw Exception('Priority is null for wallet type: ${type}');
// }
// return haven!.createHavenTransactionCreationCredentials(
// outputs: [output],
// priority: priority,
// assetType: cryptoCurrencyTitle);
// default:
// throw Exception('Unexpected wallet type: ${type}');
// }
// }
// }