Merge branch 'main' of https://github.com/cake-tech/cake_wallet into CW-477-add-ens

 Conflicts:
	pubspec_base.yaml
	res/values/strings_ar.arb
This commit is contained in:
OmarHatem
2023-10-03 20:10:08 +03:00
72 changed files with 2836 additions and 331 deletions
@@ -0,0 +1,5 @@
abstract class ChainService {
String getNamespace();
String getChainId();
List<String> getEvents();
}
@@ -0,0 +1,60 @@
class WCEthereumTransactionModel {
final String from;
final String to;
final String value;
final String? nonce;
final String? gasPrice;
final String? maxFeePerGas;
final String? maxPriorityFeePerGas;
final String? gas;
final String? gasLimit;
final String? data;
WCEthereumTransactionModel({
required this.from,
required this.to,
required this.value,
this.nonce,
this.gasPrice,
this.maxFeePerGas,
this.maxPriorityFeePerGas,
this.gas,
this.gasLimit,
this.data,
});
factory WCEthereumTransactionModel.fromJson(Map<String, dynamic> json) {
return WCEthereumTransactionModel(
from: json['from'] as String,
to: json['to'] as String,
value: json['value'] as String,
nonce: json['nonce'] as String?,
gasPrice: json['gasPrice'] as String?,
maxFeePerGas: json['maxFeePerGas'] as String?,
maxPriorityFeePerGas: json['maxPriorityFeePerGas'] as String?,
gas: json['gas'] as String?,
gasLimit: json['gasLimit'] as String?,
data: json['data'] as String?,
);
}
Map<String, dynamic> toJson() {
return {
'from': from,
'to': to,
'value': value,
'nonce': nonce,
'gasPrice': gasPrice,
'maxFeePerGas': maxFeePerGas,
'maxPriorityFeePerGas': maxPriorityFeePerGas,
'gas': gas,
'gasLimit': gasLimit,
'data': data,
};
}
@override
String toString() {
return 'EthereumTransactionModel(from: $from, to: $to, nonce: $nonce, gasPrice: $gasPrice, maxFeePerGas: $maxFeePerGas, maxPriorityFeePerGas: $maxPriorityFeePerGas, gas: $gas, gasLimit: $gasLimit, value: $value, data: $data)';
}
}
+35
View File
@@ -0,0 +1,35 @@
import 'package:cake_wallet/core/wallet_connect/evm_chain_service.dart';
enum EVMChainId {
ethereum,
polygon,
goerli,
mumbai,
arbitrum,
}
extension EVMChainIdX on EVMChainId {
String chain() {
String name = '';
switch (this) {
case EVMChainId.ethereum:
name = '1';
break;
case EVMChainId.polygon:
name = '137';
break;
case EVMChainId.goerli:
name = '5';
break;
case EVMChainId.arbitrum:
name = '42161';
break;
case EVMChainId.mumbai:
name = '80001';
break;
}
return '${EvmChainServiceImpl.namespace}:$name';
}
}
@@ -0,0 +1,294 @@
import 'dart:convert';
import 'dart:developer';
import 'dart:typed_data';
import 'package:cake_wallet/core/wallet_connect/eth_transaction_model.dart';
import 'package:cake_wallet/core/wallet_connect/evm_chain_id.dart';
import 'package:cake_wallet/core/wallet_connect/wc_bottom_sheet_service.dart';
import 'package:cake_wallet/generated/i18n.dart';
import 'package:cake_wallet/src/screens/wallet_connect/widgets/error_display_widget.dart';
import 'package:cake_wallet/store/app_store.dart';
import 'package:cake_wallet/core/wallet_connect/models/chain_key_model.dart';
import 'package:cake_wallet/core/wallet_connect/models/connection_model.dart';
import 'package:cake_wallet/src/screens/wallet_connect/widgets/connection_widget.dart';
import 'package:cake_wallet/src/screens/wallet_connect/widgets/modals/web3_request_modal.dart';
import 'package:cake_wallet/src/screens/wallet_connect/utils/string_parsing.dart';
import 'package:convert/convert.dart';
import 'package:cw_core/wallet_type.dart';
import 'package:eth_sig_util/eth_sig_util.dart';
import 'package:eth_sig_util/util/utils.dart';
import 'package:http/http.dart' as http;
import 'package:walletconnect_flutter_v2/walletconnect_flutter_v2.dart';
import 'package:web3dart/web3dart.dart';
import 'chain_service.dart';
import 'wallet_connect_key_service.dart';
class EvmChainServiceImpl implements ChainService {
final AppStore appStore;
final BottomSheetService bottomSheetService;
final Web3Wallet wallet;
final WalletConnectKeyService wcKeyService;
static const namespace = 'eip155';
static const pSign = 'personal_sign';
static const eSign = 'eth_sign';
static const eSignTransaction = 'eth_signTransaction';
static const eSignTypedData = 'eth_signTypedData_v4';
static const eSendTransaction = 'eth_sendTransaction';
final EVMChainId reference;
final Web3Client ethClient;
EvmChainServiceImpl({
required this.reference,
required this.appStore,
required this.wcKeyService,
required this.bottomSheetService,
required this.wallet,
Web3Client? ethClient,
}) : ethClient = ethClient ??
Web3Client(
appStore.settingsStore.getCurrentNode(WalletType.ethereum).uri.toString(),
http.Client(),
) {
for (final String event in getEvents()) {
wallet.registerEventEmitter(chainId: getChainId(), event: event);
}
wallet.registerRequestHandler(
chainId: getChainId(),
method: pSign,
handler: personalSign,
);
wallet.registerRequestHandler(
chainId: getChainId(),
method: eSign,
handler: ethSign,
);
wallet.registerRequestHandler(
chainId: getChainId(),
method: eSignTransaction,
handler: ethSignTransaction,
);
wallet.registerRequestHandler(
chainId: getChainId(),
method: eSendTransaction,
handler: ethSignTransaction,
);
wallet.registerRequestHandler(
chainId: getChainId(),
method: eSignTypedData,
handler: ethSignTypedData,
);
}
@override
String getNamespace() {
return namespace;
}
@override
String getChainId() {
return reference.chain();
}
@override
List<String> getEvents() {
return ['chainChanged', 'accountsChanged'];
}
Future<String?> requestAuthorization(String? text) async {
// Show the bottom sheet
final bool? isApproved = await bottomSheetService.queueBottomSheet(
widget: Web3RequestModal(
child: ConnectionWidget(
title: S.current.signTransaction,
info: [
ConnectionModel(
text: text,
),
],
),
),
) as bool?;
if (isApproved != null && isApproved == false) {
return 'User rejected signature';
}
return null;
}
Future<String> personalSign(String topic, dynamic parameters) async {
log('received personal sign request: $parameters');
final String message;
if (parameters[0] == null) {
message = '';
} else {
message = parameters[0].toString().utf8Message;
}
final String? authError = await requestAuthorization(message);
if (authError != null) {
return authError;
}
try {
// Load the private key
final List<ChainKeyModel> keys = wcKeyService.getKeysForChain(getChainId());
final Credentials credentials = EthPrivateKey.fromHex(keys[0].privateKey);
final String signature = hex.encode(
credentials.signPersonalMessageToUint8List(Uint8List.fromList(utf8.encode(message))),
);
return '0x$signature';
} catch (e) {
log(e.toString());
bottomSheetService.queueBottomSheet(
isModalDismissible: true,
widget: BottomSheetMessageDisplayWidget(
message: '${S.current.errorGettingCredentials} ${e.toString()}',
),
);
return 'Failed: Error while getting credentials';
}
}
Future<String> ethSign(String topic, dynamic parameters) async {
log('received eth sign request: $parameters');
final String message;
if (parameters[1] == null) {
message = '';
} else {
message = parameters[1].toString().utf8Message;
}
final String? authError = await requestAuthorization(message);
if (authError != null) {
return authError;
}
try {
// Load the private key
final List<ChainKeyModel> keys = wcKeyService.getKeysForChain(getChainId());
final EthPrivateKey credentials = EthPrivateKey.fromHex(keys[0].privateKey);
final String signature = hex.encode(
credentials.signPersonalMessageToUint8List(
Uint8List.fromList(utf8.encode(message)),
),
);
log(signature);
return '0x$signature';
} catch (e) {
log('error: ${e.toString()}');
bottomSheetService.queueBottomSheet(
isModalDismissible: true,
widget: BottomSheetMessageDisplayWidget(message: '${S.current.error}: ${e.toString()}'),
);
return 'Failed';
}
}
Future<String> ethSignTransaction(String topic, dynamic parameters) async {
log('received eth sign transaction request: $parameters');
final paramsData = parameters[0] as Map<String, dynamic>;
final message = _convertToReadable(paramsData);
final String? authError = await requestAuthorization(message);
if (authError != null) {
return authError;
}
// Load the private key
final List<ChainKeyModel> keys = wcKeyService.getKeysForChain(getChainId());
final Credentials credentials = EthPrivateKey.fromHex(keys[0].privateKey);
WCEthereumTransactionModel ethTransaction =
WCEthereumTransactionModel.fromJson(parameters[0] as Map<String, dynamic>);
final transaction = Transaction(
from: EthereumAddress.fromHex(ethTransaction.from),
to: EthereumAddress.fromHex(ethTransaction.to),
maxGas: ethTransaction.gasLimit != null ? int.tryParse(ethTransaction.gasLimit ?? "") : null,
gasPrice: ethTransaction.gasPrice != null
? EtherAmount.inWei(BigInt.parse(ethTransaction.gasPrice ?? ""))
: null,
value: EtherAmount.inWei(BigInt.parse(ethTransaction.value)),
data: hexToBytes(ethTransaction.data ?? ""),
nonce: ethTransaction.nonce != null ? int.tryParse(ethTransaction.nonce ?? "") : null,
);
try {
final result = await ethClient.sendTransaction(credentials, transaction);
log('Result: $result');
bottomSheetService.queueBottomSheet(
isModalDismissible: true,
widget: BottomSheetMessageDisplayWidget(
message: S.current.awaitDAppProcessing,
isError: false,
),
);
return result;
} catch (e) {
log('An error has occured while signing transaction: ${e.toString()}');
bottomSheetService.queueBottomSheet(
isModalDismissible: true,
widget: BottomSheetMessageDisplayWidget(
message: '${S.current.errorSigningTransaction}: ${e.toString()}',
),
);
return 'Failed';
}
}
Future<String> ethSignTypedData(String topic, dynamic parameters) async {
log('received eth sign typed data request: $parameters');
final String? data = parameters[1] as String?;
final String? authError = await requestAuthorization(data);
if (authError != null) {
return authError;
}
final List<ChainKeyModel> keys = wcKeyService.getKeysForChain(getChainId());
return EthSigUtil.signTypedData(
privateKey: keys[0].privateKey,
jsonData: data ?? '',
version: TypedDataVersion.V4,
);
}
String _convertToReadable(Map<String, dynamic> data) {
String gas = int.parse((data['gas'] as String).substring(2), radix: 16).toString();
String value = data['value'] != null
? (int.parse((data['value'] as String).substring(2), radix: 16) / 1e18).toString() + ' ETH'
: '0 ETH';
String from = data['from'] as String;
String to = data['to'] as String;
return '''
Gas: $gas\n
Value: $value\n
From: $from\n
To: $to
''';
}
}
@@ -0,0 +1,16 @@
import 'package:walletconnect_flutter_v2/walletconnect_flutter_v2.dart';
class AuthRequestModel {
final String iss;
final AuthRequest request;
AuthRequestModel({
required this.iss,
required this.request,
});
@override
String toString() {
return 'AuthRequestModel(iss: $iss, request: $request)';
}
}
@@ -0,0 +1,20 @@
import 'dart:async';
import 'package:flutter/cupertino.dart';
class BottomSheetQueueItemModel {
final Widget widget;
final bool isModalDismissible;
final Completer<dynamic> completer;
BottomSheetQueueItemModel({
required this.widget,
required this.completer,
this.isModalDismissible = false,
});
@override
String toString() {
return 'BottomSheetQueueItemModel(widget: $widget, completer: $completer)';
}
}
@@ -0,0 +1,16 @@
class ChainKeyModel {
final List<String> chains;
final String privateKey;
final String publicKey;
ChainKeyModel({
required this.chains,
required this.privateKey,
required this.publicKey,
});
@override
String toString() {
return 'ChainKeyModel(chains: $chains, privateKey: $privateKey, publicKey: $publicKey)';
}
}
@@ -0,0 +1,18 @@
class ConnectionModel {
final String? title;
final String? text;
final List<String>? elements;
final Map<String, void Function()>? elementActions;
ConnectionModel({
this.title,
this.text,
this.elements,
this.elementActions,
});
@override
String toString() {
return 'WalletConnectRequestModel(title: $title, text: $text, elements: $elements, elementActions: $elementActions)';
}
}
@@ -0,0 +1,14 @@
import 'package:walletconnect_flutter_v2/walletconnect_flutter_v2.dart';
class SessionRequestModel {
final ProposalData request;
SessionRequestModel({
required this.request,
});
@override
String toString() {
return 'SessionRequestModel(request: $request)';
}
}
@@ -0,0 +1,72 @@
import 'package:cake_wallet/ethereum/ethereum.dart';
import 'package:cake_wallet/core/wallet_connect/models/chain_key_model.dart';
import 'package:cw_core/balance.dart';
import 'package:cw_core/transaction_history.dart';
import 'package:cw_core/transaction_info.dart';
import 'package:cw_core/wallet_base.dart';
abstract class WalletConnectKeyService {
/// Returns a list of all the keys.
List<ChainKeyModel> getKeys();
/// Returns a list of all the chain ids.
List<String> getChains();
/// Returns a list of all the keys for a given chain id.
/// If the chain is not found, returns an empty list.
/// - [chain]: The chain to get the keys for.
List<ChainKeyModel> getKeysForChain(String chain);
/// Returns a list of all the accounts in namespace:chainId:address format.
List<String> getAllAccounts();
}
class KeyServiceImpl implements WalletConnectKeyService {
KeyServiceImpl(this.wallet)
: _keys = [
ChainKeyModel(
chains: [
'eip155:1',
'eip155:5',
'eip155:137',
'eip155:42161',
'eip155:80001',
],
privateKey: ethereum!.getPrivateKey(wallet),
publicKey: ethereum!.getPublicKey(wallet),
),
];
late final WalletBase<Balance, TransactionHistoryBase<TransactionInfo>, TransactionInfo> wallet;
late final List<ChainKeyModel> _keys;
@override
List<String> getChains() {
final List<String> chainIds = [];
for (final ChainKeyModel key in _keys) {
chainIds.addAll(key.chains);
}
return chainIds;
}
@override
List<ChainKeyModel> getKeys() => _keys;
@override
List<ChainKeyModel> getKeysForChain(String chain) {
return _keys.where((e) => e.chains.contains(chain)).toList();
}
@override
List<String> getAllAccounts() {
final List<String> accounts = [];
for (final ChainKeyModel key in _keys) {
for (final String chain in key.chains) {
accounts.add('$chain:${key.publicKey}');
}
}
return accounts;
}
}
@@ -0,0 +1,43 @@
import 'dart:async';
import 'package:cake_wallet/core/wallet_connect/models/bottom_sheet_queue_item_model.dart';
import 'package:flutter/material.dart';
abstract class BottomSheetService {
abstract final ValueNotifier<BottomSheetQueueItemModel?> currentSheet;
Future<dynamic> queueBottomSheet({
required Widget widget,
bool isModalDismissible = false,
});
void resetCurrentSheet();
}
class BottomSheetServiceImpl implements BottomSheetService {
@override
final ValueNotifier<BottomSheetQueueItemModel?> currentSheet = ValueNotifier(null);
@override
Future<dynamic> queueBottomSheet({
required Widget widget,
bool isModalDismissible = false,
}) async {
// Create the bottom sheet queue item
final completer = Completer<dynamic>();
final queueItem = BottomSheetQueueItemModel(
widget: widget,
completer: completer,
isModalDismissible: isModalDismissible,
);
currentSheet.value = queueItem;
return await completer.future;
}
@override
void resetCurrentSheet() {
currentSheet.value = null;
}
}
@@ -0,0 +1,277 @@
import 'dart:async';
import 'dart:developer';
import 'dart:typed_data';
import 'package:cake_wallet/core/wallet_connect/evm_chain_id.dart';
import 'package:cake_wallet/core/wallet_connect/evm_chain_service.dart';
import 'package:cake_wallet/core/wallet_connect/wallet_connect_key_service.dart';
import 'package:cake_wallet/generated/i18n.dart';
import 'package:cake_wallet/core/wallet_connect/models/auth_request_model.dart';
import 'package:cake_wallet/core/wallet_connect/models/chain_key_model.dart';
import 'package:cake_wallet/core/wallet_connect/models/session_request_model.dart';
import 'package:cake_wallet/src/screens/wallet_connect/widgets/connection_request_widget.dart';
import 'package:cake_wallet/src/screens/wallet_connect/widgets/error_display_widget.dart';
import 'package:cake_wallet/src/screens/wallet_connect/widgets/modals/web3_request_modal.dart';
import 'package:cake_wallet/store/app_store.dart';
import 'package:eth_sig_util/eth_sig_util.dart';
import 'package:flutter/material.dart';
import 'package:mobx/mobx.dart';
import 'package:walletconnect_flutter_v2/walletconnect_flutter_v2.dart';
import 'wc_bottom_sheet_service.dart';
import 'package:cake_wallet/.secrets.g.dart' as secrets;
part 'web3wallet_service.g.dart';
class Web3WalletService = Web3WalletServiceBase with _$Web3WalletService;
abstract class Web3WalletServiceBase with Store {
final AppStore appStore;
final BottomSheetService _bottomSheetHandler;
final WalletConnectKeyService walletKeyService;
late Web3Wallet _web3Wallet;
@observable
bool isInitialized;
/// The list of requests from the dapp
/// Potential types include, but aren't limited to:
/// [SessionProposalEvent], [AuthRequest]
@observable
ObservableList<PairingInfo> pairings;
@observable
ObservableList<SessionData> sessions;
@observable
ObservableList<StoredCacao> auth;
Web3WalletServiceBase(this._bottomSheetHandler, this.walletKeyService, this.appStore)
: pairings = ObservableList<PairingInfo>(),
sessions = ObservableList<SessionData>(),
auth = ObservableList<StoredCacao>(),
isInitialized = false;
@action
void create() {
// Create the web3wallet client
_web3Wallet = Web3Wallet(
core: Core(projectId: secrets.walletConnectProjectId),
metadata: const PairingMetadata(
name: 'Cake Wallet',
description: 'Cake Wallet',
url: 'https://cakewallet.com',
icons: ['https://cakewallet.com/assets/image/cake_logo.png'],
),
);
// Setup our accounts
List<ChainKeyModel> chainKeys = walletKeyService.getKeys();
for (final chainKey in chainKeys) {
for (final chainId in chainKey.chains) {
_web3Wallet.registerAccount(
chainId: chainId,
accountAddress: chainKey.publicKey,
);
}
}
// Setup our listeners
log('Created instance of web3wallet');
_web3Wallet.core.pairing.onPairingInvalid.subscribe(_onPairingInvalid);
_web3Wallet.core.pairing.onPairingCreate.subscribe(_onPairingCreate);
_web3Wallet.core.pairing.onPairingDelete.subscribe(_onPairingDelete);
_web3Wallet.core.pairing.onPairingExpire.subscribe(_onPairingDelete);
_web3Wallet.pairings.onSync.subscribe(_onPairingsSync);
_web3Wallet.onSessionProposal.subscribe(_onSessionProposal);
_web3Wallet.onSessionProposalError.subscribe(_onSessionProposalError);
_web3Wallet.onSessionConnect.subscribe(_onSessionConnect);
_web3Wallet.onAuthRequest.subscribe(_onAuthRequest);
}
@action
Future<void> init() async {
// Await the initialization of the web3wallet
log('Intializing web3wallet');
if (!isInitialized) {
try {
await _web3Wallet.init();
log('Initialized');
isInitialized = true;
} catch (e) {
log('Experimentallllll: $e');
isInitialized = false;
}
}
_refreshPairings();
final newSessions = _web3Wallet.sessions.getAll();
sessions.addAll(newSessions);
final newAuthRequests = _web3Wallet.completeRequests.getAll();
auth.addAll(newAuthRequests);
for (final cId in EVMChainId.values) {
EvmChainServiceImpl(
reference: cId,
appStore: appStore,
wcKeyService: walletKeyService,
bottomSheetService: _bottomSheetHandler,
wallet: _web3Wallet,
);
}
}
@action
FutureOr<void> onDispose() {
log('web3wallet dispose');
_web3Wallet.core.pairing.onPairingInvalid.unsubscribe(_onPairingInvalid);
_web3Wallet.pairings.onSync.unsubscribe(_onPairingsSync);
_web3Wallet.onSessionProposal.unsubscribe(_onSessionProposal);
_web3Wallet.onSessionProposalError.unsubscribe(_onSessionProposalError);
_web3Wallet.onSessionConnect.unsubscribe(_onSessionConnect);
_web3Wallet.onAuthRequest.unsubscribe(_onAuthRequest);
_web3Wallet.core.pairing.onPairingDelete.unsubscribe(_onPairingDelete);
_web3Wallet.core.pairing.onPairingExpire.unsubscribe(_onPairingDelete);
}
Web3Wallet getWeb3Wallet() {
return _web3Wallet;
}
void _onPairingsSync(StoreSyncEvent? args) {
if (args != null) {
_refreshPairings();
}
}
void _onPairingDelete(PairingEvent? event) {
_refreshPairings();
}
@action
void _refreshPairings() {
pairings.clear();
final allPairings = _web3Wallet.pairings.getAll();
pairings.addAll(allPairings);
}
Future<void> _onSessionProposalError(SessionProposalErrorEvent? args) async {
log(args.toString());
}
void _onSessionProposal(SessionProposalEvent? args) async {
if (args != null) {
final Widget modalWidget = Web3RequestModal(
child: ConnectionRequestWidget(
wallet: _web3Wallet,
sessionProposal: SessionRequestModel(request: args.params),
),
);
// show the bottom sheet
final bool? isApproved = await _bottomSheetHandler.queueBottomSheet(
widget: modalWidget,
) as bool?;
if (isApproved != null && isApproved) {
_web3Wallet.approveSession(
id: args.id,
namespaces: args.params.generatedNamespaces!,
);
} else {
_web3Wallet.rejectSession(
id: args.id,
reason: Errors.getSdkError(
Errors.USER_REJECTED,
),
);
}
}
}
@action
void _onPairingInvalid(PairingInvalidEvent? args) {
log('Pairing Invalid Event: $args');
_bottomSheetHandler.queueBottomSheet(
isModalDismissible: true,
widget: BottomSheetMessageDisplayWidget(message: '${S.current.pairingInvalidEvent}: $args'),
);
}
void _onPairingCreate(PairingEvent? args) {
log('Pairing Create Event: $args');
}
@action
void _onSessionConnect(SessionConnect? args) {
if (args != null) {
sessions.add(args.session);
}
}
@action
Future<void> _onAuthRequest(AuthRequest? args) async {
if (args != null) {
List<ChainKeyModel> chainKeys = walletKeyService.getKeysForChain('eip155:1');
// Create the message to be signed
final String iss = 'did:pkh:eip155:1:${chainKeys.first.publicKey}';
final Widget modalWidget = Web3RequestModal(
child: ConnectionRequestWidget(
wallet: _web3Wallet,
authRequest: AuthRequestModel(iss: iss, request: args),
),
);
final bool? isAuthenticated = await _bottomSheetHandler.queueBottomSheet(
widget: modalWidget,
) as bool?;
if (isAuthenticated != null && isAuthenticated) {
final String message = _web3Wallet.formatAuthMessage(
iss: iss,
cacaoPayload: CacaoRequestPayload.fromPayloadParams(
args.payloadParams,
),
);
final String sig = EthSigUtil.signPersonalMessage(
message: Uint8List.fromList(message.codeUnits),
privateKey: chainKeys.first.privateKey,
);
await _web3Wallet.respondAuthRequest(
id: args.id,
iss: iss,
signature: CacaoSignature(
t: CacaoSignature.EIP191,
s: sig,
),
);
} else {
await _web3Wallet.respondAuthRequest(
id: args.id,
iss: iss,
error: Errors.getSdkError(
Errors.USER_REJECTED_AUTH,
),
);
}
}
}
@action
Future<void> disconnectSession(String topic) async {
final session = sessions.firstWhere((element) => element.pairingTopic == topic);
await _web3Wallet.core.pairing.disconnect(topic: topic);
await _web3Wallet.disconnectSession(
topic: session.topic, reason: Errors.getSdkError(Errors.USER_DISCONNECTED));
}
@action
List<SessionData> getSessionsForPairingInfo(PairingInfo pairing) {
return sessions.where((element) => element.pairingTopic == pairing.topic).toList();
}
}