cake_wallet/lib/store/yat/yat_store.dart
2021-12-08 11:09:38 +00:00

274 lines
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8.4 KiB
Dart

import 'package:cake_wallet/core/transaction_history.dart';
import 'package:cake_wallet/core/wallet_base.dart';
import 'package:cake_wallet/entities/balance.dart';
import 'package:cake_wallet/entities/transaction_info.dart';
import 'package:cake_wallet/store/app_store.dart';
import 'package:flutter/foundation.dart';
import 'package:mobx/mobx.dart';
import 'package:cake_wallet/bitcoin/electrum_wallet.dart';
import 'package:cake_wallet/entities/wallet_type.dart';
import 'package:cake_wallet/monero/monero_subaddress_list.dart';
import 'package:cake_wallet/monero/monero_wallet.dart';
import 'dart:convert';
import 'package:cake_wallet/store/yat/yat_exception.dart';
import 'package:http/http.dart';
import 'dart:async';
import 'package:flutter_secure_storage/flutter_secure_storage.dart';
part 'yat_store.g.dart';
class YatLink {
static const partnerId = 'CW';
static const baseDevUrl = 'https://yat.fyi';
static const baseReleaseUrl = 'https://y.at';
static const signInSuffix = '/partner/$partnerId/link-email';
static const createSuffix = '/create';
static const managePath = '/partner/$partnerId/manage';
static const queryParameter = '?address_json=';
static const apiDevUrl = 'https://a.yat.fyi';
static const apiReleaseUrl = 'https://a.y.at';
static const requestDevUrl = 'https://a.yat.fyi/emoji_id/';
static const requestReleaseUrl = 'https://a.y.at/emoji_id/';
static const startFlowUrl = 'https://www.y03btrk.com/4RQSJ/6JHXF/';
static const isDevMode = true;
static const tags = <String, List<String>>{"XMR" : ['0x1001', '0x1002'],
"BTC" : ['0x1003'], "LTC" : ['0x3fff']};
static String get apiUrl => YatLink.isDevMode
? YatLink.apiDevUrl
: YatLink.apiReleaseUrl;
static String get emojiIdUrl => apiUrl + '/emoji_id/';
static String get baseUrl => YatLink.isDevMode
? YatLink.baseDevUrl
: YatLink.baseReleaseUrl;
}
Future<List<String>> fetchYatAddress(String emojiId, String ticker) async {
final url = YatLink.emojiIdUrl + emojiId + '/payment';
final response = await get(url);
if (response.statusCode != 200) {
throw YatException(text: response.body.toString());
}
final addresses = <String>[];
final currency = ticker.toUpperCase();
final responseJSON = json.decode(response.body) as Map<String, dynamic>;
final result = responseJSON['result'] as Map<dynamic, dynamic>;
result.forEach((dynamic key, dynamic value) {
final tag = key as String ?? '';
final record = value as Map<String, dynamic>;
if (YatLink.tags[currency]?.contains(tag) ?? false) {
final address = record['address'] as String;
if (address?.isNotEmpty ?? false) {
addresses.add(address);
}
}
});
return addresses;
}
Future<String> fetchYatAccessToken(String refreshToken) async {
try {
final url = YatLink.apiUrl + '/auth/token/refresh';
final bodyJson = json.encode({'refresh_token': refreshToken});
final response = await post(
url,
headers: <String, String>{
'Content-Type': 'application/json',
'Accept': '*/*'
},
body: bodyJson);
if (response.statusCode != 200) {
throw YatException(text: response.body.toString());
}
final responseJSON = json.decode(response.body) as Map<String, dynamic>;
return responseJSON['access_token'] as String;
}catch(_) {
return '';
}
}
Future<String> fetchYatApiKey(String accessKey) async {
try {
final url = YatLink.apiUrl + '/api_keys';
final bodyJson = json.encode({'name': 'CW'});
final response = await post(
url,
headers: <String, String>{
'Authorization': 'Bearer $accessKey',
'Content-Type': 'application/json',
'Accept': '*/*'
},
body: bodyJson);
if (response.statusCode != 200) {
throw YatException(text: response.body.toString());
}
final responseJSON = json.decode(response.body) as Map<String, dynamic>;
return responseJSON['api_key'] as String;
}catch(_) {
return '';
}
}
Future<void> updateEmojiIdAddress(String emojiId, String address, String apiKey, WalletType type) async {
final url = YatLink.emojiIdUrl + emojiId;
final cur = walletTypeToCryptoCurrency(type);
final curFormatted = cur.toString().toUpperCase();
var tag = '';
if (type == WalletType.monero && !address.startsWith('4')) {
tag = YatLink.tags[curFormatted].last;
} else {
tag = YatLink.tags[curFormatted].first;
}
final bodyJson = json.encode({
'insert': [{
'data': address,
'tag': tag
}]
});
final response = await patch(
url,
headers: <String, String>{
'x-api-key': apiKey,
'Content-Type': 'application/json',
'Accept': '*/*'
},
body: bodyJson);
if (response.statusCode != 200) {
throw YatException(text: response.body.toString());
}
}
Future<String> visualisationForEmojiId(String emojiId) async {
final url = YatLink.emojiIdUrl + emojiId + '/json/VisualizerFileLocations';
final response = await get(url);
final responseJSON = json.decode(response.body) as Map<String, dynamic>;
final data = responseJSON['data'] as Map<String, dynamic>;
final result = data['gif'] as String ?? '';
return result;
}
class YatStore = YatStoreBase with _$YatStore;
abstract class YatStoreBase with Store {
YatStoreBase({@required this.appStore, @required this.secureStorage}) {
_wallet ??= appStore.wallet;
emoji = _wallet?.walletInfo?.yatEmojiId ?? '';
reaction((_) => appStore.wallet, _onWalletChange);
reaction((_) => emoji, (String _) => _onEmojiChange());
reaction((_) => refreshToken, (String _) => _onRefreshTokenChange());
emojiIncommingSC = StreamController<String>.broadcast();
}
static const yatRefreshTokenKeyBase = 'yat_refresh_token';
static const yatAccessTokenKeyBase = 'yat_access_token';
static const yatApiKeyBase = 'yat_api_key';
static String yatRefreshTokenKey(String name) => '${yatRefreshTokenKeyBase}_$name';
static String yatAccessTokenKey(String name) => '${yatAccessTokenKeyBase}_$name';
static String yatApiKey(String name) => '${yatApiKeyBase}_$name';
AppStore appStore;
FlutterSecureStorage secureStorage;
@observable
String emoji;
@observable
String refreshToken;
@observable
String accessToken;
@observable
String apiKey;
StreamController<String> emojiIncommingSC;
Stream<String> get emojiIncommingStream => emojiIncommingSC.stream;
@observable
WalletBase<Balance, TransactionHistoryBase<TransactionInfo>, TransactionInfo>
_wallet;
Future<void> init() async {
if (_wallet == null) {
return;
}
refreshToken = await secureStorage.read(key: yatRefreshTokenKey(_wallet.walletInfo.name));
accessToken = await secureStorage.read(key: yatAccessTokenKey(_wallet.walletInfo.name));
apiKey = await secureStorage.read(key: yatApiKey(_wallet.walletInfo.name));
}
@action
void _onWalletChange(
WalletBase<Balance, TransactionHistoryBase<TransactionInfo>,
TransactionInfo>
wallet) {
this._wallet = wallet;
emoji = wallet?.walletInfo?.yatEmojiId ?? '';
init();
}
@action
void _onEmojiChange() {
try {
final walletInfo = _wallet.walletInfo;
if (walletInfo == null) {
return;
}
walletInfo.yatEid = emoji;
if (walletInfo.isInBox) {
walletInfo.save();
}
} catch (e) {
print(e.toString());
}
}
@action
Future<void> _onRefreshTokenChange() async {
try {
await secureStorage.write(key: yatRefreshTokenKey(_wallet.walletInfo.name), value: refreshToken);
accessToken = await fetchYatAccessToken(refreshToken);
await secureStorage.write(key: yatAccessTokenKey(_wallet.walletInfo.name), value: accessToken);
apiKey = await fetchYatApiKey(accessToken);
await secureStorage.write(key: yatApiKey(_wallet.walletInfo.name), value: accessToken);
} catch (e) {
print(e.toString());
}
}
String defineQueryParameters() {
final result = <String, String>{};
final tags = YatLink.tags[_wallet.currency.toString().toUpperCase()];
String tag = tags.first;
if (_wallet.type == WalletType.monero
&& _wallet.walletAddresses.address.startsWith('4')) {
tag = tags.last;
}
result[tag] = '${_wallet.walletAddresses.address}|${_wallet.name}';
final addressJson = json.encode([result]);
final addressJsonBytes = utf8.encode(addressJson);
return base64.encode(addressJsonBytes);
}
}