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CW-424-ChangeNOW-add-payload-details (#979)

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* add payload details

* remove unused import

* fix payload
This commit is contained in:
Serhii
2023-07-08 05:30:05 +03:00
committed by GitHub
parent 93eda7c206
commit 9afed201c6
5 changed files with 94 additions and 45 deletions
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lib/exchange/changenow/changenow_exchange_provider.dart
+51 -42
View File
@@ -1,6 +1,10 @@
import 'dart:convert';
import 'dart:io';
import 'package:cake_wallet/exchange/trade_not_found_exeption.dart';
import 'package:cake_wallet/store/settings_store.dart';
import 'package:cake_wallet/utils/device_info.dart';
import 'package:cake_wallet/utils/distribution_info.dart';
import 'package:cake_wallet/wallet_type_utils.dart';
import 'package:http/http.dart';
import 'package:cake_wallet/.secrets.g.dart' as secrets;
import 'package:cw_core/crypto_currency.dart';
@@ -14,7 +18,7 @@ import 'package:cake_wallet/exchange/changenow/changenow_request.dart';
import 'package:cake_wallet/exchange/exchange_provider_description.dart';
class ChangeNowExchangeProvider extends ExchangeProvider {
ChangeNowExchangeProvider()
ChangeNowExchangeProvider({required this.settingsStore})
: _lastUsedRateId = '',
super(
pairList: CryptoCurrency.all
@@ -25,7 +29,8 @@ class ChangeNowExchangeProvider extends ExchangeProvider {
.expand((i) => i)
.toList());
static final apiKey = DeviceInfo.instance.isMobile ? secrets.changeNowApiKey : secrets.changeNowApiKeyDesktop;
static final apiKey =
DeviceInfo.instance.isMobile ? secrets.changeNowApiKey : secrets.changeNowApiKeyDesktop;
static const apiAuthority = 'api.changenow.io';
static const createTradePath = '/v2/exchange';
static const findTradeByIdPath = '/v2/exchange/by-id';
@@ -46,21 +51,22 @@ class ChangeNowExchangeProvider extends ExchangeProvider {
bool get supportsFixedRate => true;
@override
ExchangeProviderDescription get description =>
ExchangeProviderDescription.changeNow;
ExchangeProviderDescription get description => ExchangeProviderDescription.changeNow;
@override
Future<bool> checkIsAvailable() async => true;
final SettingsStore settingsStore;
String _lastUsedRateId;
static String getFlow(bool isFixedRate) => isFixedRate ? 'fixed-rate' : 'standard';
@override
Future<Limits> fetchLimits({
required CryptoCurrency from,
required CryptoCurrency to,
required bool isFixedRateMode}) async {
Future<Limits> fetchLimits(
{required CryptoCurrency from,
required CryptoCurrency to,
required bool isFixedRateMode}) async {
final headers = {apiHeaderKey: apiKey};
final normalizedFrom = normalizeCryptoCurrency(from);
final normalizedTo = normalizeCryptoCurrency(to);
@@ -70,10 +76,11 @@ class ChangeNowExchangeProvider extends ExchangeProvider {
'toCurrency': normalizedTo,
'fromNetwork': networkFor(from),
'toNetwork': networkFor(to),
'flow': flow};
'flow': flow
};
final uri = Uri.https(apiAuthority, rangePath, params);
final response = await get(uri, headers: headers);
if (response.statusCode == 400) {
final responseJSON = json.decode(response.body) as Map<String, dynamic>;
final error = responseJSON['error'] as String;
@@ -87,19 +94,24 @@ class ChangeNowExchangeProvider extends ExchangeProvider {
final responseJSON = json.decode(response.body) as Map<String, dynamic>;
return Limits(
min: responseJSON['minAmount'] as double?,
max: responseJSON['maxAmount'] as double?);
min: responseJSON['minAmount'] as double?, max: responseJSON['maxAmount'] as double?);
}
@override
Future<Trade> createTrade({required TradeRequest request, required bool isFixedRateMode}) async {
final _request = request as ChangeNowRequest;
final headers = {
apiHeaderKey: apiKey,
'Content-Type': 'application/json'};
final distributionPath = await DistributionInfo.instance.getDistributionPath();
final formattedAppVersion = int.tryParse(settingsStore.appVersion.replaceAll('.', '')) ?? 0;
final payload = {
'app': isMoneroOnly ? 'monerocom' : 'cakewallet',
'device': Platform.operatingSystem,
'distribution': distributionPath,
'version': formattedAppVersion
};
final headers = {apiHeaderKey: apiKey, 'Content-Type': 'application/json'};
final flow = getFlow(isFixedRateMode);
final type = isFixedRateMode ? 'reverse' : 'direct';
final body = <String, String>{
final body = <String, dynamic>{
'fromCurrency': normalizeCryptoCurrency(_request.from),
'toCurrency': normalizeCryptoCurrency(_request.to),
'fromNetwork': networkFor(_request.from),
@@ -109,7 +121,8 @@ class ChangeNowExchangeProvider extends ExchangeProvider {
'address': _request.address,
'flow': flow,
'type': type,
'refundAddress': _request.refundAddress
'refundAddress': _request.refundAddress,
'payload': payload,
};
if (isFixedRateMode) {
@@ -164,7 +177,7 @@ class ChangeNowExchangeProvider extends ExchangeProvider {
Future<Trade> findTradeById({required String id}) async {
final headers = {apiHeaderKey: apiKey};
final params = <String, String>{'id': id};
final uri = Uri.https(apiAuthority,findTradeByIdPath, params);
final uri = Uri.https(apiAuthority, findTradeByIdPath, params);
final response = await get(uri, headers: headers);
if (response.statusCode == 404) {
@@ -175,8 +188,7 @@ class ChangeNowExchangeProvider extends ExchangeProvider {
final responseJSON = json.decode(response.body) as Map<String, dynamic>;
final error = responseJSON['message'] as String;
throw TradeNotFoundException(id,
provider: description, description: error);
throw TradeNotFoundException(id, provider: description, description: error);
}
if (response.statusCode != 200) {
@@ -234,19 +246,20 @@ class ChangeNowExchangeProvider extends ExchangeProvider {
'fromNetwork': networkFor(from),
'toNetwork': networkFor(to),
'type': type,
'flow': flow};
'flow': flow
};
if (isReverse) {
params['toAmount'] = amount.toString();
} else {
params['fromAmount'] = amount.toString();
}
final uri = Uri.https(apiAuthority, estimatedAmountPath, params);
final response = await get(uri, headers: headers);
final responseJSON = json.decode(response.body) as Map<String, dynamic>;
final fromAmount = double.parse(responseJSON['fromAmount'].toString());
final toAmount = double.parse(responseJSON['toAmount'].toString());
final toAmount = double.parse(responseJSON['toAmount'].toString());
final rateId = responseJSON['rateId'] as String? ?? '';
if (rateId.isNotEmpty) {
@@ -254,35 +267,31 @@ class ChangeNowExchangeProvider extends ExchangeProvider {
}
return isReverse ? (amount / fromAmount) : (toAmount / amount);
} catch(e) {
} catch (e) {
print(e.toString());
return 0.0;
}
}
String networkFor(CryptoCurrency currency) {
switch (currency) {
case CryptoCurrency.usdt:
return CryptoCurrency.btc.title.toLowerCase();
default:
return currency.tag != null
? currency.tag!.toLowerCase()
: currency.title.toLowerCase();
}
return currency.tag != null ? currency.tag!.toLowerCase() : currency.title.toLowerCase();
}
}
}
String normalizeCryptoCurrency(CryptoCurrency currency) {
switch(currency) {
case CryptoCurrency.zec:
return 'zec';
case CryptoCurrency.usdcpoly:
return 'usdcmatic';
case CryptoCurrency.maticpoly:
return 'maticmainnet';
default:
return currency.title.toLowerCase();
}
String normalizeCryptoCurrency(CryptoCurrency currency) {
switch (currency) {
case CryptoCurrency.zec:
return 'zec';
case CryptoCurrency.usdcpoly:
return 'usdcmatic';
case CryptoCurrency.maticpoly:
return 'maticmainnet';
default:
return currency.title.toLowerCase();
}
}
lib/utils/distribution_info.dart
+39
View File
@@ -0,0 +1,39 @@
import 'dart:io';
import 'package:package_info/package_info.dart';
enum DistributionType { googleplay, github, appstore, fdroid }
class DistributionInfo {
DistributionInfo._();
static DistributionInfo get instance => DistributionInfo._();
Future<String> getDistributionPath() async {
final isPlayStore = await isInstalledFromPlayStore();
final distributionPath = _getDistributionPath(isPlayStore);
return distributionPath.name;
}
DistributionType _getDistributionPath(bool isPlayStore) {
if (isPlayStore) {
return DistributionType.googleplay;
} else if (Platform.isAndroid) {
return DistributionType.github;
} else if (Platform.isIOS) {
return DistributionType.appstore;
} else {
return DistributionType.github;
}
}
Future<bool> isInstalledFromPlayStore() async {
try {
final packageInfo = await PackageInfo.fromPlatform();
return packageInfo.packageName == 'com.android.vending';
} catch (e) {
print('Error: $e');
return false;
}
}
}
lib/view_model/exchange/exchange_trade_view_model.dart
+2 -1
View File
@@ -36,7 +36,8 @@ abstract class ExchangeTradeViewModelBase with Store {
_provider = XMRTOExchangeProvider();
break;
case ExchangeProviderDescription.changeNow:
_provider = ChangeNowExchangeProvider();
_provider =
ChangeNowExchangeProvider(settingsStore: sendViewModel.balanceViewModel.settingsStore);
break;
case ExchangeProviderDescription.morphToken:
_provider = MorphTokenExchangeProvider(trades: trades);
lib/view_model/exchange/exchange_view_model.dart
+1 -1
View File
@@ -130,7 +130,7 @@ abstract class ExchangeViewModelBase with Store {
final SharedPreferences sharedPreferences;
List<ExchangeProvider> get _allProviders => [
ChangeNowExchangeProvider(),
ChangeNowExchangeProvider(settingsStore: _settingsStore),
SideShiftExchangeProvider(),
SimpleSwapExchangeProvider(),
TrocadorExchangeProvider(useTorOnly: _useTorOnly),
lib/view_model/trade_details_view_model.dart
+1 -1
View File
@@ -40,7 +40,7 @@ abstract class TradeDetailsViewModelBase with Store {
_provider = XMRTOExchangeProvider();
break;
case ExchangeProviderDescription.changeNow:
_provider = ChangeNowExchangeProvider();
_provider = ChangeNowExchangeProvider(settingsStore: settingsStore);
break;
case ExchangeProviderDescription.morphToken:
_provider = MorphTokenExchangeProvider(trades: trades);