| 1 | import 'dart:convert'; |
| 2 | import 'dart:developer'; |
| 3 | |
| 4 | import 'package:cake_wallet/.secrets.g.dart' as secrets; |
| 5 | import 'package:cake_wallet/buy/buy_provider.dart'; |
| 6 | import 'package:cake_wallet/buy/buy_quote.dart'; |
| 7 | import 'package:cake_wallet/buy/pairs_utils.dart'; |
| 8 | import 'package:cake_wallet/buy/payment_method.dart'; |
| 9 | import 'package:cake_wallet/entities/fiat_currency.dart'; |
| 10 | import 'package:cake_wallet/generated/i18n.dart'; |
| 11 | import 'package:cake_wallet/routes.dart'; |
| 12 | import 'package:cake_wallet/src/screens/connect_device/connect_device_page.dart'; |
| 13 | import 'package:cake_wallet/src/widgets/alert_with_one_action.dart'; |
| 14 | import 'package:cake_wallet/view_model/hardware_wallet/hardware_wallet_view_model.dart'; |
| 15 | import 'package:cw_core/utils/proxy_wrapper.dart'; |
| 16 | import 'package:cake_wallet/utils/show_pop_up.dart'; |
| 17 | import 'package:cw_core/crypto_currency.dart'; |
| 18 | import 'package:cw_core/utils/print_verbose.dart'; |
| 19 | import 'package:cw_core/wallet_base.dart'; |
| 20 | import 'package:cw_core/wallet_type.dart'; |
| 21 | import 'package:flutter/material.dart'; |
| 22 | import 'package:url_launcher/url_launcher.dart'; |
| 23 | |
| 24 | class RobinhoodBuyProvider extends BuyProvider { |
| 25 | RobinhoodBuyProvider({ |
| 26 | required WalletBase wallet, |
| 27 | bool isTestEnvironment = false, |
| 28 | HardwareWalletViewModel? hardwareWalletVM, |
| 29 | }) : super( |
| 30 | wallet: wallet, |
| 31 | isTestEnvironment: isTestEnvironment, |
| 32 | hardwareWalletVM: hardwareWalletVM, |
| 33 | supportedCryptoList: supportedCryptoToFiatPairs( |
| 34 | notSupportedCrypto: _notSupportedCrypto, notSupportedFiat: _notSupportedFiat), |
| 35 | supportedFiatList: supportedFiatToCryptoPairs( |
| 36 | notSupportedFiat: _notSupportedFiat, notSupportedCrypto: _notSupportedCrypto), |
| 37 | ); |
| 38 | |
| 39 | static const _baseUrl = 'applink.robinhood.com'; |
| 40 | static const _cIdBaseUrl = 'exchange-helper.cakewallet.com'; |
| 41 | static const _apiBaseUrl = 'api.robinhood.com'; |
| 42 | static const _assetsPath = '/catpay/v1/supported_currencies/'; |
| 43 | |
| 44 | static List<CryptoCurrency> _supportedCrypto = []; |
| 45 | static final List<FiatCurrency> _supportedFiat = [FiatCurrency.usd]; |
| 46 | |
| 47 | static final List<CryptoCurrency> _notSupportedCrypto = []; |
| 48 | |
| 49 | static final List<FiatCurrency> _notSupportedFiat = |
| 50 | FiatCurrency.all.where((fiat) => !_supportedFiat.contains(fiat)).toList(); |
| 51 | |
| 52 | @override |
| 53 | String get title => 'Robinhood Connect'; |
| 54 | |
| 55 | @override |
| 56 | String get providerDescription => S.current.robinhood_option_description; |
| 57 | |
| 58 | @override |
| 59 | String get lightIcon => 'assets/images/robinhood_light.png'; |
| 60 | |
| 61 | @override |
| 62 | String get darkIcon => 'assets/images/robinhood_dark.png'; |
| 63 | |
| 64 | @override |
| 65 | bool get isAggregator => false; |
| 66 | |
| 67 | String get _applicationId => secrets.robinhoodApplicationId; |
| 68 | |
| 69 | String get _apiSecret => secrets.exchangeHelperApiKey; |
| 70 | |
| 71 | Future<List<CryptoCurrency>> getSupportedAssets() async { |
| 72 | final uri = Uri.https(_apiBaseUrl, '$_assetsPath', {'applicationId': _applicationId}); |
| 73 | |
| 74 | try { |
| 75 | final response = |
| 76 | await ProxyWrapper().get(clearnetUri: uri, headers: {'accept': 'application/json'}); |
| 77 | |
| 78 | if (response.statusCode == 200) { |
| 79 | final responseData = jsonDecode(response.body) as Map<String, dynamic>; |
| 80 | final pairs = responseData['cryptoCurrencyPairs'] as List<dynamic>; |
| 81 | |
| 82 | final supportedAssets = <CryptoCurrency>[]; |
| 83 | |
| 84 | for (final item in pairs) { |
| 85 | String code = item['assetCurrency']['code'] as String; |
| 86 | if (code == 'AVAX') code = 'AVAXC'; |
| 87 | try { |
| 88 | final currency = CryptoCurrency.fromString(code); |
| 89 | supportedAssets.add(currency); |
| 90 | } catch (e) { |
| 91 | log('Robinhood: Unknown asset code "$code" - skipped'); |
| 92 | } |
| 93 | } |
| 94 | return supportedAssets; |
| 95 | } else { |
| 96 | return []; |
| 97 | } |
| 98 | } catch (e) { |
| 99 | log('Robinhood: Failed to fetch supported assets: $e'); |
| 100 | return []; |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | Future<String> getSignature(String message) async { |
| 105 | switch (wallet.type) { |
| 106 | case WalletType.ethereum: |
| 107 | case WalletType.polygon: |
| 108 | case WalletType.base: |
| 109 | case WalletType.arbitrum: |
| 110 | case WalletType.bsc: |
| 111 | case WalletType.solana: |
| 112 | case WalletType.tron: |
| 113 | case WalletType.dogecoin: |
| 114 | return wallet.signMessage(message); |
| 115 | case WalletType.litecoin: |
| 116 | case WalletType.bitcoin: |
| 117 | case WalletType.bitcoinCash: |
| 118 | return wallet.signMessage(message, address: wallet.walletAddresses.address); |
| 119 | case WalletType.monero: |
| 120 | case WalletType.none: |
| 121 | case WalletType.haven: |
| 122 | case WalletType.nano: |
| 123 | case WalletType.banano: |
| 124 | case WalletType.wownero: |
| 125 | case WalletType.zano: |
| 126 | case WalletType.zcash: |
| 127 | case WalletType.decred: |
| 128 | throw Exception("Wallet Type ${wallet.type.name} is not available for Robinhood"); |
| 129 | } |
| 130 | } |
| 131 | |
| 132 | Future<String> getConnectId() async { |
| 133 | final walletAddress = wallet.walletAddresses.address; |
| 134 | final valid_until = (DateTime.now().millisecondsSinceEpoch / 1000).round() + 10; |
| 135 | final message = "$_apiSecret:${valid_until}"; |
| 136 | |
| 137 | final signature = await getSignature(message); |
| 138 | |
| 139 | final uri = Uri.https(_cIdBaseUrl, "/api/robinhood"); |
| 140 | |
| 141 | final response = await ProxyWrapper().post( |
| 142 | clearnetUri: uri, |
| 143 | headers: {'Content-Type': 'application/json'}, |
| 144 | body: json |
| 145 | .encode({'valid_until': valid_until, 'wallet': walletAddress, 'signature': signature}), |
| 146 | ); |
| 147 | |
| 148 | if (response.statusCode == 200) { |
| 149 | return (jsonDecode(response.body) as Map<String, dynamic>)['connectId'] as String; |
| 150 | } else { |
| 151 | throw Exception('Provider currently unavailable. Status: ${response.statusCode}'); |
| 152 | } |
| 153 | } |
| 154 | |
| 155 | Future<Uri> requestProviderUrl() async { |
| 156 | final connectId = await getConnectId(); |
| 157 | final networkName = wallet.currency.fullName?.toUpperCase().replaceAll(" ", "_"); |
| 158 | |
| 159 | return Uri.https(_baseUrl, '/u/connect', <String, dynamic>{ |
| 160 | 'applicationId': _applicationId, |
| 161 | 'connectId': connectId, |
| 162 | 'walletAddress': wallet.walletAddresses.address, |
| 163 | 'userIdentifier': wallet.walletAddresses.address, |
| 164 | 'supportedNetworks': networkName |
| 165 | }); |
| 166 | } |
| 167 | |
| 168 | Future<void>? launchProvider( |
| 169 | {required BuildContext context, |
| 170 | required Quote quote, |
| 171 | required double amount, |
| 172 | required bool isBuyAction, |
| 173 | required String cryptoCurrencyAddress, |
| 174 | String? countryCode}) async { |
| 175 | if (wallet.isHardwareWallet) { |
| 176 | if (!hardwareWalletVM!.isConnected(wallet.walletInfo.type)) { |
| 177 | await Navigator.of(context).pushNamed( |
| 178 | Routes.connectDevices, |
| 179 | arguments: ConnectDevicePageParams( |
| 180 | walletType: wallet.walletInfo.type, |
| 181 | hardwareWalletType: wallet.walletInfo.hardwareWalletType!, |
| 182 | onConnectDevice: (context, hwwVM) { |
| 183 | hwwVM.initWallet(wallet); |
| 184 | Navigator.of(context).pop(); |
| 185 | }, |
| 186 | isReconnect: false, |
| 187 | ), |
| 188 | ); |
| 189 | if (!hardwareWalletVM!.isConnected(wallet.walletInfo.type)) { |
| 190 | return; |
| 191 | } |
| 192 | } else { |
| 193 | hardwareWalletVM!.initWallet(wallet); |
| 194 | } |
| 195 | } |
| 196 | |
| 197 | try { |
| 198 | final uri = await requestProviderUrl(); |
| 199 | await launchUrl(uri, mode: LaunchMode.externalApplication); |
| 200 | } catch (e) { |
| 201 | await showPopUp<void>( |
| 202 | context: context, |
| 203 | builder: (context) => AlertWithOneAction( |
| 204 | alertTitle: "Robinhood Connect", |
| 205 | alertContent: '${S.of(context).buy_provider_unavailable}: $e', |
| 206 | buttonText: S.of(context).ok, |
| 207 | buttonAction: () => Navigator.of(context).pop()), |
| 208 | ); |
| 209 | } |
| 210 | } |
| 211 | |
| 212 | @override |
| 213 | Future<List<Quote>?> fetchQuote( |
| 214 | {required CryptoCurrency cryptoCurrency, |
| 215 | required FiatCurrency fiatCurrency, |
| 216 | required double amount, |
| 217 | required bool isBuyAction, |
| 218 | required String walletAddress, |
| 219 | PaymentType? paymentType, |
| 220 | String? customPaymentMethodType, |
| 221 | String? countryCode}) async { |
| 222 | String? paymentMethod; |
| 223 | |
| 224 | if (_supportedCrypto.isEmpty) _supportedCrypto = await getSupportedAssets(); |
| 225 | if (_supportedCrypto.isNotEmpty && !(_supportedCrypto.contains(cryptoCurrency))) return null; |
| 226 | |
| 227 | if (paymentType != null && paymentType != PaymentType.all) { |
| 228 | paymentMethod = normalizePaymentMethod(paymentType); |
| 229 | if (paymentMethod == null) return null; |
| 230 | } |
| 231 | |
| 232 | final action = isBuyAction ? 'buy' : 'sell'; |
| 233 | log('Robinhood: Fetching $action quote: ${isBuyAction ? cryptoCurrency.title : fiatCurrency.name.toUpperCase()} -> ${isBuyAction ? fiatCurrency.name.toUpperCase() : cryptoCurrency.title}, amount: $amount paymentMethod: $paymentMethod'); |
| 234 | |
| 235 | final queryParams = { |
| 236 | 'applicationId': _applicationId, |
| 237 | 'fiatCode': fiatCurrency.name, |
| 238 | 'assetCode': cryptoCurrency.title, |
| 239 | 'fiatAmount': amount.toString(), |
| 240 | if (paymentMethod != null) 'paymentMethod': paymentMethod, |
| 241 | }; |
| 242 | |
| 243 | final uri = |
| 244 | Uri.https('api.robinhood.com', '/catpay/v1/${cryptoCurrency.title}/quote/', queryParams); |
| 245 | |
| 246 | try { |
| 247 | final response = |
| 248 | await ProxyWrapper().get(clearnetUri: uri, headers: {'accept': 'application/json'}); |
| 249 | |
| 250 | final responseData = jsonDecode(response.body) as Map<String, dynamic>; |
| 251 | |
| 252 | if (response.statusCode == 200) { |
| 253 | final paymentType = _getPaymentTypeByString(responseData['paymentMethod'] as String?); |
| 254 | final quote = Quote.fromRobinhoodJson(responseData, isBuyAction, paymentType); |
| 255 | quote.setFiatCurrency = fiatCurrency; |
| 256 | quote.setCryptoCurrency = cryptoCurrency; |
| 257 | return [quote]; |
| 258 | } else { |
| 259 | if (responseData.containsKey('message')) { |
| 260 | log('Robinhood Error: ${responseData['message']}'); |
| 261 | } else { |
| 262 | printV('Robinhood Failed to fetch $action quote: ${response.statusCode}'); |
| 263 | } |
| 264 | return null; |
| 265 | } |
| 266 | } catch (e) { |
| 267 | log('Robinhood: Failed to fetch $action quote: $e'); |
| 268 | return null; |
| 269 | } |
| 270 | |
| 271 | // Supported payment methods: |
| 272 | // ● buying_power |
| 273 | // ● crypto_balance |
| 274 | // ● debit_card |
| 275 | // ● bank_transfer |
| 276 | } |
| 277 | |
| 278 | String? normalizePaymentMethod(PaymentType paymentMethod) { |
| 279 | switch (paymentMethod) { |
| 280 | case PaymentType.creditCard: |
| 281 | return 'debit_card'; |
| 282 | case PaymentType.debitCard: |
| 283 | return 'debit_card'; |
| 284 | case PaymentType.bankTransfer: |
| 285 | return 'bank_transfer'; |
| 286 | default: |
| 287 | return null; |
| 288 | } |
| 289 | } |
| 290 | |
| 291 | PaymentType _getPaymentTypeByString(String? paymentMethod) { |
| 292 | switch (paymentMethod) { |
| 293 | case 'debit_card': |
| 294 | return PaymentType.debitCard; |
| 295 | case 'bank_transfer': |
| 296 | return PaymentType.bankTransfer; |
| 297 | default: |
| 298 | return PaymentType.unknown; |
| 299 | } |
| 300 | } |
| 301 | } |