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refactor trocador to use proxywrapper

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fosse 2024-01-10 13:14:38 -05:00
parent 714ee548c1
commit 123648cc6b
2 changed files with 50 additions and 59 deletions
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2
lib/core/fiat_conversion_service.dart
View file

@ -1,14 +1,12 @@
import 'dart:io'; import 'dart:io';
import 'package:cake_wallet/di.dart'; import 'package:cake_wallet/di.dart';
import 'package:cake_wallet/entities/fiat_api_mode.dart';
import 'package:cake_wallet/utils/proxy_wrapper.dart'; import 'package:cake_wallet/utils/proxy_wrapper.dart';
import 'package:cw_core/crypto_currency.dart'; import 'package:cw_core/crypto_currency.dart';
import 'package:cake_wallet/entities/fiat_currency.dart'; import 'package:cake_wallet/entities/fiat_currency.dart';
import 'dart:convert'; import 'dart:convert';
import 'package:cake_wallet/.secrets.g.dart' as secrets; import 'package:cake_wallet/.secrets.g.dart' as secrets;
import 'package:flutter/foundation.dart'; import 'package:flutter/foundation.dart';
import 'package:http/http.dart';
const _fiatApiClearNetAuthority = 'fiat-api.cakewallet.com'; const _fiatApiClearNetAuthority = 'fiat-api.cakewallet.com';
const _fiatApiOnionAuthority = 'n4z7bdcmwk2oyddxvzaap3x2peqcplh3pzdy7tpkk5ejz5n4mhfvoxqd.onion'; const _fiatApiOnionAuthority = 'n4z7bdcmwk2oyddxvzaap3x2peqcplh3pzdy7tpkk5ejz5n4mhfvoxqd.onion';

107
lib/exchange/provider/trocador_exchange_provider.dart
View file

@ -1,6 +1,8 @@
import 'dart:convert'; import 'dart:convert';
import 'dart:io';
import 'package:cake_wallet/.secrets.g.dart' as secrets; import 'package:cake_wallet/.secrets.g.dart' as secrets;
import 'package:cake_wallet/di.dart';
import 'package:cake_wallet/exchange/exchange_provider_description.dart'; import 'package:cake_wallet/exchange/exchange_provider_description.dart';
import 'package:cake_wallet/exchange/limits.dart'; import 'package:cake_wallet/exchange/limits.dart';
import 'package:cake_wallet/exchange/provider/exchange_provider.dart'; import 'package:cake_wallet/exchange/provider/exchange_provider.dart';
@ -8,12 +10,13 @@ import 'package:cake_wallet/exchange/trade.dart';
import 'package:cake_wallet/exchange/trade_request.dart'; import 'package:cake_wallet/exchange/trade_request.dart';
import 'package:cake_wallet/exchange/trade_state.dart'; import 'package:cake_wallet/exchange/trade_state.dart';
import 'package:cake_wallet/exchange/utils/currency_pairs_utils.dart'; import 'package:cake_wallet/exchange/utils/currency_pairs_utils.dart';
import 'package:cake_wallet/utils/proxy_wrapper.dart';
import 'package:cw_core/crypto_currency.dart'; import 'package:cw_core/crypto_currency.dart';
import 'package:http/http.dart';
class TrocadorExchangeProvider extends ExchangeProvider { class TrocadorExchangeProvider extends ExchangeProvider {
TrocadorExchangeProvider({this.useTorOnly = false, this.providerStates = const {}}) TrocadorExchangeProvider({this.useTorOnly = false, this.providerStates = const {}})
: _lastUsedRateId = '', _provider = [], : _lastUsedRateId = '',
_provider = [],
super(pairList: supportedPairs(_notSupported)); super(pairList: supportedPairs(_notSupported));
bool useTorOnly; bool useTorOnly;
@ -24,7 +27,7 @@ class TrocadorExchangeProvider extends ExchangeProvider {
'StealthEx', 'StealthEx',
'Simpleswap', 'Simpleswap',
'Swapuz' 'Swapuz'
'ChangeNow', 'ChangeNow',
'Changehero', 'Changehero',
'FixedFloat', 'FixedFloat',
'LetsExchange', 'LetsExchange',
@ -83,13 +86,13 @@ class TrocadorExchangeProvider extends ExchangeProvider {
'name': from.name, 'name': from.name,
}; };
final uri = await _getUri(coinPath, params); final response = await proxyGet(coinPath, params);
final response = await get(uri); final responseBody = await utf8.decodeStream(response);
if (response.statusCode != 200) if (response.statusCode != 200)
throw Exception('Unexpected http status: ${response.statusCode}'); throw Exception('Unexpected http status: ${response.statusCode}');
final responseJSON = json.decode(response.body) as List<dynamic>; final responseJSON = json.decode(responseBody) as List<dynamic>;
if (responseJSON.isEmpty) throw Exception('No data'); if (responseJSON.isEmpty) throw Exception('No data');
@ -124,9 +127,9 @@ class TrocadorExchangeProvider extends ExchangeProvider {
'markup': markup, 'markup': markup,
}; };
final uri = await _getUri(newRatePath, params); final response = await proxyGet(newRatePath, params);
final response = await get(uri); final responseBody = await utf8.decodeStream(response);
final responseJSON = json.decode(response.body) as Map<String, dynamic>; final responseJSON = json.decode(responseBody) as Map<String, dynamic>;
final fromAmount = double.parse(responseJSON['amount_from'].toString()); final fromAmount = double.parse(responseJSON['amount_from'].toString());
final toAmount = double.parse(responseJSON['amount_to'].toString()); final toAmount = double.parse(responseJSON['amount_to'].toString());
final rateId = responseJSON['trade_id'] as String? ?? ''; final rateId = responseJSON['trade_id'] as String? ?? '';
@ -145,7 +148,6 @@ class TrocadorExchangeProvider extends ExchangeProvider {
@override @override
Future<Trade> createTrade({required TradeRequest request, required bool isFixedRateMode}) async { Future<Trade> createTrade({required TradeRequest request, required bool isFixedRateMode}) async {
final params = { final params = {
'api_key': apiKey, 'api_key': apiKey,
'ticker_from': _normalizeCurrency(request.fromCurrency), 'ticker_from': _normalizeCurrency(request.fromCurrency),
@ -172,7 +174,6 @@ class TrocadorExchangeProvider extends ExchangeProvider {
params['id'] = _lastUsedRateId; params['id'] = _lastUsedRateId;
} }
String firstAvailableProvider = ''; String firstAvailableProvider = '';
for (var provider in _provider) { for (var provider in _provider) {
@ -188,11 +189,11 @@ class TrocadorExchangeProvider extends ExchangeProvider {
params['provider'] = firstAvailableProvider; params['provider'] = firstAvailableProvider;
final uri = await _getUri(createTradePath, params); final response = await proxyGet(createTradePath, params);
final response = await get(uri); final responseBody = await utf8.decodeStream(response);
if (response.statusCode == 400) { if (response.statusCode == 400) {
final responseJSON = json.decode(response.body) as Map<String, dynamic>; final responseJSON = json.decode(responseBody) as Map<String, dynamic>;
final error = responseJSON['error'] as String; final error = responseJSON['error'] as String;
final message = responseJSON['message'] as String; final message = responseJSON['message'] as String;
throw Exception('${error}\n$message'); throw Exception('${error}\n$message');
@ -201,7 +202,7 @@ class TrocadorExchangeProvider extends ExchangeProvider {
if (response.statusCode != 200) if (response.statusCode != 200)
throw Exception('Unexpected http status: ${response.statusCode}'); throw Exception('Unexpected http status: ${response.statusCode}');
final responseJSON = json.decode(response.body) as Map<String, dynamic>; final responseJSON = json.decode(responseBody) as Map<String, dynamic>;
final id = responseJSON['trade_id'] as String; final id = responseJSON['trade_id'] as String;
final inputAddress = responseJSON['address_provider'] as String; final inputAddress = responseJSON['address_provider'] as String;
final refundAddress = responseJSON['refund_address'] as String; final refundAddress = responseJSON['refund_address'] as String;
@ -230,38 +231,37 @@ class TrocadorExchangeProvider extends ExchangeProvider {
@override @override
Future<Trade> findTradeById({required String id}) async { Future<Trade> findTradeById({required String id}) async {
final uri = await _getUri(tradePath, {'api_key': apiKey, 'id': id}); final response = await proxyGet(tradePath, {'api_key': apiKey, 'id': id});
return get(uri).then((response) { if (response.statusCode != 200)
if (response.statusCode != 200) throw Exception('Unexpected http status: ${response.statusCode}');
throw Exception('Unexpected http status: ${response.statusCode}'); final String responseBody = await utf8.decodeStream(response);
final responseListJson = json.decode(response.body) as List; final responseListJson = json.decode(responseBody) as List;
final responseJSON = responseListJson.first; final responseJSON = responseListJson.first;
final id = responseJSON['trade_id'] as String; final tradeId = responseJSON['trade_id'] as String;
final payoutAddress = responseJSON['address_user'] as String; final payoutAddress = responseJSON['address_user'] as String;
final refundAddress = responseJSON['refund_address'] as String; final refundAddress = responseJSON['refund_address'] as String;
final inputAddress = responseJSON['address_provider'] as String; final inputAddress = responseJSON['address_provider'] as String;
final fromAmount = responseJSON['amount_from']?.toString() ?? '0'; final fromAmount = responseJSON['amount_from']?.toString() ?? '0';
final password = responseJSON['password'] as String; final password = responseJSON['password'] as String;
final providerId = responseJSON['id_provider'] as String; final providerId = responseJSON['id_provider'] as String;
final providerName = responseJSON['provider'] as String; final providerName = responseJSON['provider'] as String;
return Trade( return Trade(
id: id, id: tradeId,
from: CryptoCurrency.fromString(responseJSON['ticker_from'] as String), from: CryptoCurrency.fromString(responseJSON['ticker_from'] as String),
to: CryptoCurrency.fromString(responseJSON['ticker_to'] as String), to: CryptoCurrency.fromString(responseJSON['ticker_to'] as String),
provider: description, provider: description,
inputAddress: inputAddress, inputAddress: inputAddress,
refundAddress: refundAddress, refundAddress: refundAddress,
createdAt: DateTime.parse(responseJSON['date'] as String), createdAt: DateTime.parse(responseJSON['date'] as String),
amount: fromAmount, amount: fromAmount,
state: TradeState.deserialize(raw: responseJSON['status'] as String), state: TradeState.deserialize(raw: responseJSON['status'] as String),
payoutAddress: payoutAddress, payoutAddress: payoutAddress,
password: password, password: password,
providerId: providerId, providerId: providerId,
providerName: providerName, providerName: providerName,
); );
});
} }
String _networkFor(CryptoCurrency currency) { String _networkFor(CryptoCurrency currency) {
@ -305,17 +305,10 @@ class TrocadorExchangeProvider extends ExchangeProvider {
} }
} }
Future<Uri> _getUri(String path, Map<String, String> queryParams) async { Future<HttpClientResponse> proxyGet(String path, Map<String, String> queryParams) async {
final uri = Uri.http(onionApiAuthority, path, queryParams); ProxyWrapper proxy = await getIt.get<ProxyWrapper>();
Uri onionUri = Uri.http(onionApiAuthority, path, queryParams);
if (useTorOnly) return uri; Uri clearnetUri = Uri.http(onionApiAuthority, path, queryParams);
return await proxy.get(onionUri, torOnly: useTorOnly, clearnetUri: clearnetUri);
try {
await get(uri);
return uri;
} catch (e) {
return Uri.https(clearNetAuthority, path, queryParams);
}
} }
} }