| 1 | import 'dart:convert'; |
| 2 | |
| 3 | import 'package:cake_wallet/.secrets.g.dart' as secrets; |
| 4 | import 'package:cake_wallet/exchange/exchange_provider_description.dart'; |
| 5 | import 'package:cake_wallet/exchange/limits.dart'; |
| 6 | import 'package:cake_wallet/exchange/provider/exchange_provider.dart'; |
| 7 | import 'package:cake_wallet/exchange/trade.dart'; |
| 8 | import 'package:cake_wallet/exchange/trade_request.dart'; |
| 9 | import 'package:cake_wallet/exchange/trade_state.dart'; |
| 10 | import 'package:cake_wallet/wallet_type_utils.dart'; |
| 11 | import 'package:cw_core/utils/proxy_wrapper.dart'; |
| 12 | import 'package:cw_core/crypto_currency.dart'; |
| 13 | import 'package:cw_core/utils/print_verbose.dart'; |
| 14 | import 'package:cake_wallet/utils/exchange_provider_logger.dart'; |
| 15 | |
| 16 | class TrocadorExchangeProvider extends ExchangeProvider { |
| 17 | TrocadorExchangeProvider({this.useTorOnly = false, this.providerStates = const {}}) |
| 18 | : _lastUsedRateId = '', |
| 19 | _provider = []; |
| 20 | |
| 21 | bool useTorOnly; |
| 22 | Map<String, bool> providerStates; |
| 23 | |
| 24 | static const List<String> availableProviders = [ |
| 25 | 'Swapter', |
| 26 | 'StealthEx', |
| 27 | 'Simpleswap', |
| 28 | 'Swapuz', |
| 29 | 'ChangeNow', |
| 30 | 'Changehero', |
| 31 | 'FixedFloat', |
| 32 | 'LetsExchange', |
| 33 | 'Exolix', |
| 34 | 'Godex', |
| 35 | 'Exch', |
| 36 | 'CoinCraddle', |
| 37 | 'Alfacash', |
| 38 | 'LocalMonero', |
| 39 | 'XChange', |
| 40 | 'NeroSwap', |
| 41 | 'Changee', |
| 42 | 'BitcoinVN', |
| 43 | 'EasyBit', |
| 44 | 'WizardSwap', |
| 45 | 'Quantex', |
| 46 | 'SwapSpace', |
| 47 | ]; |
| 48 | |
| 49 | static final apiKey = isMoneroOnly ? secrets.trocadorMoneroApiKey : secrets.trocadorApiKey; |
| 50 | static const clearNetAuthority = 'api.trocador.app'; |
| 51 | static const onionApiAuthority = clearNetAuthority; |
| 52 | // static const onionApiAuthority = 'trocadorfyhlu27aefre5u7zri66gudtzdyelymftvr4yjwcxhfaqsid.onion'; |
| 53 | static const markup = secrets.trocadorExchangeMarkup; |
| 54 | static const newRatePath = '/new_rate'; |
| 55 | static const createTradePath = '/new_trade'; |
| 56 | static const tradePath = '/trade'; |
| 57 | static const coinPath = '/coin'; |
| 58 | static const providersListPath = '/exchanges'; |
| 59 | |
| 60 | String _lastUsedRateId; |
| 61 | List<dynamic> _provider; |
| 62 | |
| 63 | @override |
| 64 | String get title => 'Trocador'; |
| 65 | |
| 66 | @override |
| 67 | bool get isAvailable => true; |
| 68 | |
| 69 | @override |
| 70 | bool get isEnabled => true; |
| 71 | |
| 72 | @override |
| 73 | bool get supportsFixedRate => true; |
| 74 | |
| 75 | @override |
| 76 | bool get supportsOnionAddress => true; |
| 77 | |
| 78 | @override |
| 79 | ExchangeProviderDescription get description => ExchangeProviderDescription.trocador; |
| 80 | |
| 81 | @override |
| 82 | Future<bool> checkIsAvailable() async => true; |
| 83 | |
| 84 | @override |
| 85 | Future<Limits?> fetchLimits( |
| 86 | {required CryptoCurrency from, |
| 87 | required CryptoCurrency to, |
| 88 | required bool isFixedRateMode}) async { |
| 89 | final params = { |
| 90 | 'ticker': _normalizeCurrency(from), |
| 91 | 'name': from.name, |
| 92 | }; |
| 93 | |
| 94 | final uri = await _getUri(coinPath, params); |
| 95 | final response = await ProxyWrapper().get(clearnetUri: uri, headers: {'API-Key': apiKey}); |
| 96 | |
| 97 | if (response.statusCode != 200) |
| 98 | throw Exception('Unexpected http status: ${response.statusCode}'); |
| 99 | |
| 100 | final responseJSON = json.decode(response.body) as List<dynamic>; |
| 101 | |
| 102 | if (responseJSON.isEmpty) throw Exception('No data'); |
| 103 | |
| 104 | final coinJson = responseJSON.first as Map<String, dynamic>; |
| 105 | |
| 106 | final min = double.tryParse(coinJson['minimum']?.toString() ?? ''); |
| 107 | final max = double.tryParse(coinJson['maximum']?.toString() ?? ''); |
| 108 | if (max == 0) return null; |
| 109 | return Limits(min: min, max: max); |
| 110 | } |
| 111 | |
| 112 | @override |
| 113 | Future<double> fetchRate( |
| 114 | {required CryptoCurrency from, |
| 115 | required CryptoCurrency to, |
| 116 | required double amount, |
| 117 | required bool isFixedRateMode, |
| 118 | required bool isReceiveAmount}) async { |
| 119 | try { |
| 120 | if (amount == 0) return 0.0; |
| 121 | |
| 122 | final params = <String, String>{ |
| 123 | 'ticker_from': _normalizeCurrency(from), |
| 124 | 'ticker_to': _normalizeCurrency(to), |
| 125 | 'network_from': _networkFor(from), |
| 126 | 'network_to': _networkFor(to), |
| 127 | if (!isFixedRateMode) 'amount_from': amount.toString(), |
| 128 | if (isFixedRateMode) 'amount_to': amount.toString(), |
| 129 | 'payment': isFixedRateMode ? 'True' : 'False', |
| 130 | 'min_kycrating': 'C', |
| 131 | 'markup': markup, |
| 132 | }; |
| 133 | |
| 134 | final uri = await _getUri(newRatePath, params); |
| 135 | final response = await ProxyWrapper().get(clearnetUri: uri, headers: {'API-Key': apiKey}); |
| 136 | |
| 137 | final responseJSON = json.decode(response.body) as Map<String, dynamic>; |
| 138 | final fromAmount = double.tryParse(responseJSON['amount_from']?.toString() ?? '') ?? 0.0; |
| 139 | final toAmount = double.tryParse(responseJSON['amount_to']?.toString() ?? '') ?? 0.0; |
| 140 | |
| 141 | if (fromAmount <= 0 || toAmount <= 0) return 0.0; |
| 142 | |
| 143 | final quotesData = responseJSON['quotes']; |
| 144 | final rateId = _safeString(responseJSON, 'trade_id'); |
| 145 | |
| 146 | if (quotesData == null || quotesData is! Map<String, dynamic>) { |
| 147 | return 0.0; |
| 148 | } |
| 149 | final quotes = (quotesData['quotes'] as List?) ?? []; |
| 150 | _provider = quotes |
| 151 | .where((quote) => providerStates[quote['provider']] != false) |
| 152 | .map((quote) => quote['provider']) |
| 153 | .toList(); |
| 154 | |
| 155 | if (_provider.isEmpty) { |
| 156 | ExchangeProviderLogger.logError( |
| 157 | provider: description, |
| 158 | function: 'fetchRate', |
| 159 | error: Exception('No enabled providers found for the selected trade.'), |
| 160 | stackTrace: StackTrace.current, |
| 161 | requestData: { |
| 162 | 'from': from.title, |
| 163 | 'to': to.title, |
| 164 | 'amount': amount, |
| 165 | 'isFixedRateMode': isFixedRateMode, |
| 166 | 'isReceiveAmount': isReceiveAmount, |
| 167 | 'params': params, |
| 168 | 'url': uri.toString(), |
| 169 | }, |
| 170 | ); |
| 171 | throw Exception('No enabled providers found for the selected trade.'); |
| 172 | } |
| 173 | |
| 174 | if (rateId.isNotEmpty) _lastUsedRateId = rateId; |
| 175 | |
| 176 | final rate = isReceiveAmount ? (amount / fromAmount) : (toAmount / amount); |
| 177 | |
| 178 | ExchangeProviderLogger.logSuccess( |
| 179 | provider: description, |
| 180 | function: 'fetchRate', |
| 181 | requestData: { |
| 182 | 'from': from.title, |
| 183 | 'to': to.title, |
| 184 | 'amount': amount, |
| 185 | 'isFixedRateMode': isFixedRateMode, |
| 186 | 'isReceiveAmount': isReceiveAmount, |
| 187 | 'params': params, |
| 188 | 'url': uri.toString(), |
| 189 | }, |
| 190 | responseData: { |
| 191 | 'fromAmount': fromAmount, |
| 192 | 'toAmount': toAmount, |
| 193 | 'rate': rate, |
| 194 | 'rateId': rateId, |
| 195 | 'provider': _provider.first, |
| 196 | 'statusCode': response.statusCode, |
| 197 | 'responseJSON': responseJSON, |
| 198 | }, |
| 199 | ); |
| 200 | |
| 201 | return rate; |
| 202 | } catch (e, s) { |
| 203 | ExchangeProviderLogger.logError( |
| 204 | provider: description, |
| 205 | function: 'fetchRate', |
| 206 | error: e, |
| 207 | stackTrace: s, |
| 208 | requestData: { |
| 209 | 'from': from.title, |
| 210 | 'to': to.title, |
| 211 | 'amount': amount, |
| 212 | 'isFixedRateMode': isFixedRateMode, |
| 213 | 'isReceiveAmount': isReceiveAmount, |
| 214 | }, |
| 215 | ); |
| 216 | printV(e.toString()); |
| 217 | return 0.0; |
| 218 | } |
| 219 | } |
| 220 | |
| 221 | @override |
| 222 | Future<Trade> createTrade({ |
| 223 | required TradeRequest request, |
| 224 | required bool isFixedRateMode, |
| 225 | required bool isSendAll, |
| 226 | }) async { |
| 227 | final params = { |
| 228 | 'ticker_from': _normalizeCurrency(request.fromCurrency), |
| 229 | 'ticker_to': _normalizeCurrency(request.toCurrency), |
| 230 | 'network_from': _networkFor(request.fromCurrency), |
| 231 | 'network_to': _networkFor(request.toCurrency), |
| 232 | 'payment': isFixedRateMode ? 'True' : 'False', |
| 233 | 'min_kycrating': 'C', |
| 234 | 'markup': markup, |
| 235 | if (!isFixedRateMode) 'amount_from': request.fromAmount, |
| 236 | if (isFixedRateMode) 'amount_to': request.toAmount, |
| 237 | 'address': request.toAddress, |
| 238 | if (request.toAddressExtraId.isNotEmpty) 'address_memo': request.toAddressExtraId, |
| 239 | 'refund': request.refundAddress, |
| 240 | 'refund_memo': '0', |
| 241 | }; |
| 242 | |
| 243 | if (isFixedRateMode) { |
| 244 | await fetchRate( |
| 245 | from: request.fromCurrency, |
| 246 | to: request.toCurrency, |
| 247 | amount: double.tryParse(request.toAmount) ?? 0, |
| 248 | isFixedRateMode: true, |
| 249 | isReceiveAmount: true, |
| 250 | ); |
| 251 | params['id'] = _lastUsedRateId; |
| 252 | } |
| 253 | |
| 254 | if (_provider.isEmpty || _provider.first == null || _provider.first.toString().isEmpty) { |
| 255 | ExchangeProviderLogger.logError( |
| 256 | provider: description, |
| 257 | function: 'createTrade', |
| 258 | error: Exception('No available provider is enabled'), |
| 259 | stackTrace: StackTrace.current, |
| 260 | requestData: { |
| 261 | 'from': request.fromCurrency.title, |
| 262 | 'to': request.toCurrency.title, |
| 263 | 'fromAmount': request.fromAmount, |
| 264 | 'toAmount': request.toAmount, |
| 265 | 'toAddress': request.toAddress, |
| 266 | 'refundAddress': request.refundAddress, |
| 267 | 'isFixedRateMode': isFixedRateMode, |
| 268 | 'isSendAll': isSendAll, |
| 269 | 'params': params, |
| 270 | }, |
| 271 | ); |
| 272 | throw Exception('No available provider is enabled'); |
| 273 | } |
| 274 | |
| 275 | params['provider'] = _provider.first.toString(); |
| 276 | |
| 277 | final uri = await _getUri(createTradePath, params); |
| 278 | final response = await ProxyWrapper().get(clearnetUri: uri, headers: {'API-Key': apiKey}); |
| 279 | |
| 280 | if (response.statusCode == 400) { |
| 281 | final responseJSON = json.decode(response.body) as Map<String, dynamic>; |
| 282 | final error = _safeString(responseJSON, 'error', 'Unknown error'); |
| 283 | final message = _safeString(responseJSON, 'message'); |
| 284 | |
| 285 | ExchangeProviderLogger.logError( |
| 286 | provider: description, |
| 287 | function: 'createTrade', |
| 288 | error: Exception('${error}\n$message'), |
| 289 | stackTrace: StackTrace.current, |
| 290 | requestData: { |
| 291 | 'from': request.fromCurrency.title, |
| 292 | 'to': request.toCurrency.title, |
| 293 | 'fromAmount': request.fromAmount, |
| 294 | 'toAmount': request.toAmount, |
| 295 | 'toAddress': request.toAddress, |
| 296 | 'refundAddress': request.refundAddress, |
| 297 | 'isFixedRateMode': isFixedRateMode, |
| 298 | 'isSendAll': isSendAll, |
| 299 | 'params': params, |
| 300 | 'url': uri.toString(), |
| 301 | }, |
| 302 | ); |
| 303 | |
| 304 | throw Exception('${error}\n$message'); |
| 305 | } |
| 306 | |
| 307 | if (response.statusCode != 200) { |
| 308 | ExchangeProviderLogger.logError( |
| 309 | provider: description, |
| 310 | function: 'createTrade', |
| 311 | error: Exception('Unexpected http status: ${response.statusCode}'), |
| 312 | stackTrace: StackTrace.current, |
| 313 | requestData: { |
| 314 | 'from': request.fromCurrency.title, |
| 315 | 'to': request.toCurrency.title, |
| 316 | 'fromAmount': request.fromAmount, |
| 317 | 'toAmount': request.toAmount, |
| 318 | 'toAddress': request.toAddress, |
| 319 | 'refundAddress': request.refundAddress, |
| 320 | 'isFixedRateMode': isFixedRateMode, |
| 321 | 'isSendAll': isSendAll, |
| 322 | 'params': params, |
| 323 | 'url': uri.toString(), |
| 324 | }, |
| 325 | ); |
| 326 | throw Exception('Unexpected http status: ${response.statusCode}'); |
| 327 | } |
| 328 | |
| 329 | final responseJSON = json.decode(response.body) as Map<String, dynamic>; |
| 330 | final id = _safeString(responseJSON, 'trade_id'); |
| 331 | final inputAddress = _safeString(responseJSON, 'address_provider'); |
| 332 | final refundAddress = _safeString(responseJSON, 'refund_address'); |
| 333 | final status = _safeString(responseJSON, 'status'); |
| 334 | final payoutAddress = _safeString(responseJSON, 'address_user'); |
| 335 | final date = _safeString(responseJSON, 'date'); |
| 336 | final password = _safeString(responseJSON, 'password'); |
| 337 | final providerId = _safeString(responseJSON, 'id_provider'); |
| 338 | final providerName = _safeString(responseJSON, 'provider'); |
| 339 | final amount = _safeString(responseJSON, 'amount_from'); |
| 340 | final receiveAmount = _safeString(responseJSON, 'amount_to'); |
| 341 | final addressProviderMemo = _safeString(responseJSON, 'address_provider_memo'); |
| 342 | |
| 343 | ExchangeProviderLogger.logSuccess( |
| 344 | provider: description, |
| 345 | function: 'createTrade', |
| 346 | requestData: { |
| 347 | 'from': request.fromCurrency.title, |
| 348 | 'to': request.toCurrency.title, |
| 349 | 'fromAmount': request.fromAmount, |
| 350 | 'toAmount': request.toAmount, |
| 351 | 'toAddress': request.toAddress, |
| 352 | 'refundAddress': request.refundAddress, |
| 353 | 'isFixedRateMode': isFixedRateMode, |
| 354 | 'isSendAll': isSendAll, |
| 355 | 'params': params, |
| 356 | 'url': uri.toString(), |
| 357 | }, |
| 358 | responseData: { |
| 359 | 'id': id, |
| 360 | 'inputAddress': inputAddress, |
| 361 | 'refundAddress': refundAddress, |
| 362 | 'status': status, |
| 363 | 'payoutAddress': payoutAddress, |
| 364 | 'date': date, |
| 365 | 'password': password, |
| 366 | 'providerId': providerId, |
| 367 | 'providerName': providerName, |
| 368 | 'amount': amount, |
| 369 | 'receiveAmount': receiveAmount, |
| 370 | 'addressProviderMemo': addressProviderMemo, |
| 371 | 'statusCode': response.statusCode, |
| 372 | 'responseJSON': responseJSON, |
| 373 | }, |
| 374 | ); |
| 375 | |
| 376 | final amountToTrade = amount.isEmpty ? request.fromAmount : amount; |
| 377 | final receiveAmountToTrade = receiveAmount.isEmpty ? request.toAmount : receiveAmount; |
| 378 | |
| 379 | return Trade( |
| 380 | id: id, |
| 381 | from: request.fromCurrency, |
| 382 | to: request.toCurrency, |
| 383 | provider: description, |
| 384 | inputAddress: inputAddress, |
| 385 | refundAddress: refundAddress, |
| 386 | state: TradeState.deserialize(raw: status), |
| 387 | password: password, |
| 388 | providerId: providerId, |
| 389 | providerName: providerName, |
| 390 | createdAt: DateTime.tryParse(date)?.toLocal(), |
| 391 | amount: amountToTrade, |
| 392 | receiveAmount: receiveAmountToTrade, |
| 393 | payoutAddress: payoutAddress, |
| 394 | isSendAll: isSendAll, |
| 395 | extraId: addressProviderMemo, |
| 396 | toAddressExtraId: request.toAddressExtraId, |
| 397 | ); |
| 398 | } |
| 399 | |
| 400 | @override |
| 401 | Future<Trade> findTradeById({required String id}) async { |
| 402 | final uri = await _getUri(tradePath, {'id': id}); |
| 403 | return ProxyWrapper() |
| 404 | .get(clearnetUri: uri, headers: {'API-Key': apiKey}).then((response) async { |
| 405 | if (response.statusCode != 200) |
| 406 | throw Exception('Unexpected http status: ${response.statusCode}'); |
| 407 | |
| 408 | final responseListJson = json.decode(response.body) as List; |
| 409 | final responseJSON = responseListJson.first as Map<String, dynamic>; |
| 410 | final id = _safeString(responseJSON, 'trade_id'); |
| 411 | final payoutAddress = _safeString(responseJSON, 'address_user'); |
| 412 | final refundAddress = _safeString(responseJSON, 'refund_address'); |
| 413 | final inputAddress = _safeString(responseJSON, 'address_provider'); |
| 414 | final fromAmount = responseJSON['amount_from']?.toString() ?? '0'; |
| 415 | final password = _safeString(responseJSON, 'password'); |
| 416 | final providerId = _safeString(responseJSON, 'id_provider'); |
| 417 | final providerName = _safeString(responseJSON, 'provider'); |
| 418 | final memoVal = _safeString(responseJSON, 'address_provider_memo'); |
| 419 | final addressProviderMemo = memoVal.isEmpty ? null : memoVal; |
| 420 | |
| 421 | final fromCurrency = _safeString(responseJSON, 'ticker_from'); |
| 422 | final fromNetworkVal = _safeString(responseJSON, 'network_from'); |
| 423 | final fromNetwork = fromNetworkVal.isEmpty ? null : fromNetworkVal; |
| 424 | final _normalizedFromNetwork = _normalizeNetworkType(fromNetwork ?? ''); |
| 425 | final fromTag = _normalizedFromNetwork.isEmpty || |
| 426 | _normalizedFromNetwork == fromCurrency.toUpperCase() || |
| 427 | _normalizedFromNetwork == 'Mainnet' |
| 428 | ? null |
| 429 | : _normalizedFromNetwork; |
| 430 | |
| 431 | final from = CryptoCurrency.safeParseCurrencyFromString(fromCurrency, tag: fromTag); |
| 432 | |
| 433 | final toCurrency = _safeString(responseJSON, 'ticker_to'); |
| 434 | final networkToVal = _safeString(responseJSON, 'network_to'); |
| 435 | final networkTo = networkToVal.isEmpty ? null : networkToVal; |
| 436 | final _normalizedToNetwork = _normalizeNetworkType(networkTo ?? ''); |
| 437 | final toTag = _normalizedToNetwork.isEmpty || |
| 438 | _normalizedToNetwork == toCurrency.toUpperCase() || |
| 439 | _normalizedFromNetwork == 'Mainnet' |
| 440 | ? null |
| 441 | : _normalizedToNetwork; |
| 442 | final to = CryptoCurrency.safeParseCurrencyFromString(toCurrency, tag: toTag); |
| 443 | |
| 444 | return Trade( |
| 445 | id: id, |
| 446 | from: from, |
| 447 | to: to, |
| 448 | provider: description, |
| 449 | inputAddress: inputAddress, |
| 450 | refundAddress: refundAddress, |
| 451 | createdAt: DateTime.tryParse(_safeString(responseJSON, 'date')), |
| 452 | amount: fromAmount, |
| 453 | state: TradeState.deserialize(raw: _safeString(responseJSON, 'status')), |
| 454 | payoutAddress: payoutAddress, |
| 455 | password: password, |
| 456 | providerId: providerId, |
| 457 | providerName: providerName, |
| 458 | extraId: addressProviderMemo, |
| 459 | ); |
| 460 | }); |
| 461 | } |
| 462 | |
| 463 | Future<List<TrocadorPartners>> fetchProviders() async { |
| 464 | final uri = await _getUri(providersListPath, {'api_key': apiKey}); |
| 465 | final response = await ProxyWrapper().get(clearnetUri: uri); |
| 466 | |
| 467 | if (response.statusCode != 200) |
| 468 | throw Exception('Unexpected http status: ${response.statusCode}'); |
| 469 | |
| 470 | final responseJSON = json.decode(response.body) as Map<String, dynamic>; |
| 471 | |
| 472 | final providersJsonList = responseJSON['list'] as List<dynamic>; |
| 473 | final filteredProvidersList = providersJsonList |
| 474 | .map((providerJson) => TrocadorPartners.fromJson(providerJson as Map<String, dynamic>)) |
| 475 | .where((provider) => provider.rating != 'D') |
| 476 | .toList(); |
| 477 | filteredProvidersList.sort((a, b) => a.rating.compareTo(b.rating)); |
| 478 | return filteredProvidersList; |
| 479 | } |
| 480 | |
| 481 | String _networkFor(CryptoCurrency currency) { |
| 482 | switch (currency) { |
| 483 | case CryptoCurrency.eth: |
| 484 | return 'ERC20'; |
| 485 | case CryptoCurrency.maticpoly: |
| 486 | return 'Mainnet'; |
| 487 | case CryptoCurrency.usdcpoly: |
| 488 | case CryptoCurrency.usdtPoly: |
| 489 | case CryptoCurrency.usdcEPoly: |
| 490 | return 'MATIC'; |
| 491 | case CryptoCurrency.zec: |
| 492 | return 'Mainnet'; |
| 493 | case CryptoCurrency.arb: |
| 494 | return 'Mainnet'; |
| 495 | default: |
| 496 | return currency.tag != null ? _normalizeTag(currency.tag!) : 'Mainnet'; |
| 497 | } |
| 498 | } |
| 499 | |
| 500 | String _normalizeCurrency(CryptoCurrency currency) { |
| 501 | switch (currency) { |
| 502 | case CryptoCurrency.zec: |
| 503 | return 'zec'; |
| 504 | case CryptoCurrency.usdcEPoly: |
| 505 | return 'usdce'; |
| 506 | default: |
| 507 | return currency.title.toLowerCase(); |
| 508 | } |
| 509 | } |
| 510 | |
| 511 | String _normalizeTag(String tag) { |
| 512 | if (tag.contains('ARB')) { |
| 513 | return 'Arbitrum'; |
| 514 | } |
| 515 | |
| 516 | switch (tag) { |
| 517 | case 'ETH': |
| 518 | return 'ERC20'; |
| 519 | case 'TRX': |
| 520 | return 'TRC20'; |
| 521 | case 'LN': |
| 522 | return 'Lightning'; |
| 523 | case 'BSC': |
| 524 | return 'BEP20'; |
| 525 | default: |
| 526 | return tag.toLowerCase(); |
| 527 | } |
| 528 | } |
| 529 | |
| 530 | String _normalizeNetworkType(String network) { |
| 531 | return switch (network.toUpperCase()) { |
| 532 | 'ERC20' => 'ETH', |
| 533 | 'TRC20' => 'TRX', |
| 534 | 'BEP20' => 'BSC', |
| 535 | 'LIGHTNING' => 'LN', |
| 536 | 'MATIC' => 'POL', |
| 537 | _ => network, |
| 538 | }; |
| 539 | } |
| 540 | |
| 541 | Future<Uri> _getUri(String path, Map<String, String> queryParams) async { |
| 542 | final uri = Uri.https(onionApiAuthority, path, queryParams); |
| 543 | |
| 544 | if (useTorOnly) return uri; |
| 545 | |
| 546 | try { |
| 547 | await ProxyWrapper().get(clearnetUri: uri); |
| 548 | |
| 549 | return uri; |
| 550 | } catch (e) { |
| 551 | return Uri.https(clearNetAuthority, path, queryParams); |
| 552 | } |
| 553 | } |
| 554 | |
| 555 | /// Safe string extraction from API response. Handles different data types. |
| 556 | static String _safeString(Map<String, dynamic> m, String key, [String nullError = '']) { |
| 557 | final v = m[key]; |
| 558 | if (v == null) return nullError; |
| 559 | if (v is String) return v; |
| 560 | return v.toString(); |
| 561 | } |
| 562 | } |
| 563 | |
| 564 | class TrocadorPartners { |
| 565 | final String name; |
| 566 | final String rating; |
| 567 | final double? insurance; |
| 568 | final bool? enabledMarkup; |
| 569 | final double? eta; |
| 570 | |
| 571 | TrocadorPartners({ |
| 572 | required this.name, |
| 573 | required this.rating, |
| 574 | required this.insurance, |
| 575 | required this.enabledMarkup, |
| 576 | required this.eta, |
| 577 | }); |
| 578 | |
| 579 | factory TrocadorPartners.fromJson(Map<String, dynamic> json) { |
| 580 | return TrocadorPartners( |
| 581 | name: json['name'] as String? ?? '', |
| 582 | rating: json['rating'] as String? ?? 'N/A', |
| 583 | insurance: json['insurance'] as double?, |
| 584 | enabledMarkup: json['enabledmarkup'] as bool?, |
| 585 | eta: json['eta'] as double?, |
| 586 | ); |
| 587 | } |
| 588 | } |