mirror of
https://github.com/cake-tech/cake_wallet.git
synced 2025-06-28 12:29:51 +00:00
Cw 473 exchange refactoring (#1126)
* CW-473 Remove deprecated Exchanges * CW-473 Clean up Exchange Code * CW-473 Add Decimals to Crypto Enums * CW-473 Fix minor merge error * CW-473 Fix minor merge error * CW-473 Fix FAQ Locals * CW-473 Apply requested changes * CW-473 Show Error if Exchange Provider is not supported anymore * CW-473 Implement Requested Changes
This commit is contained in:
Konstantin Ullrich
GitHub
parent
db7f025b71
commit
cef3029f6f
74 changed files with 941 additions and 1783 deletions
269
lib/exchange/provider/exolix_exchange_provider.dart
Normal file
269
lib/exchange/provider/exolix_exchange_provider.dart
Normal file
|
|
@ -0,0 +1,269 @@
|
|||
import 'dart:convert';
|
||||
|
||||
import 'package:cake_wallet/.secrets.g.dart' as secrets;
|
||||
import 'package:cake_wallet/exchange/exchange_provider_description.dart';
|
||||
import 'package:cake_wallet/exchange/limits.dart';
|
||||
import 'package:cake_wallet/exchange/provider/exchange_provider.dart';
|
||||
import 'package:cake_wallet/exchange/trade.dart';
|
||||
import 'package:cake_wallet/exchange/trade_not_found_exception.dart';
|
||||
import 'package:cake_wallet/exchange/trade_request.dart';
|
||||
import 'package:cake_wallet/exchange/trade_state.dart';
|
||||
import 'package:cake_wallet/exchange/utils/currency_pairs_utils.dart';
|
||||
import 'package:cw_core/crypto_currency.dart';
|
||||
import 'package:http/http.dart';
|
||||
|
||||
class ExolixExchangeProvider extends ExchangeProvider {
|
||||
ExolixExchangeProvider() : super(pairList: supportedPairs(_notSupported));
|
||||
|
||||
static final apiKey = secrets.exolixApiKey;
|
||||
static const apiBaseUrl = 'exolix.com';
|
||||
static const transactionsPath = '/api/v2/transactions';
|
||||
static const ratePath = '/api/v2/rate';
|
||||
|
||||
static const List<CryptoCurrency> _notSupported = [
|
||||
CryptoCurrency.usdt,
|
||||
CryptoCurrency.xhv,
|
||||
CryptoCurrency.btt,
|
||||
CryptoCurrency.firo,
|
||||
CryptoCurrency.zaddr,
|
||||
CryptoCurrency.xvg,
|
||||
CryptoCurrency.kmd,
|
||||
CryptoCurrency.paxg,
|
||||
CryptoCurrency.rune,
|
||||
CryptoCurrency.scrt,
|
||||
CryptoCurrency.btcln,
|
||||
CryptoCurrency.cro,
|
||||
CryptoCurrency.ftm,
|
||||
CryptoCurrency.frax,
|
||||
CryptoCurrency.gusd,
|
||||
CryptoCurrency.gtc,
|
||||
CryptoCurrency.weth,
|
||||
];
|
||||
|
||||
@override
|
||||
String get title => 'Exolix';
|
||||
|
||||
@override
|
||||
bool get isAvailable => true;
|
||||
|
||||
@override
|
||||
bool get isEnabled => true;
|
||||
|
||||
@override
|
||||
bool get supportsFixedRate => true;
|
||||
|
||||
@override
|
||||
ExchangeProviderDescription get description => ExchangeProviderDescription.exolix;
|
||||
|
||||
@override
|
||||
Future<bool> checkIsAvailable() async => true;
|
||||
|
||||
@override
|
||||
Future<Limits> fetchLimits(
|
||||
{required CryptoCurrency from,
|
||||
required CryptoCurrency to,
|
||||
required bool isFixedRateMode}) async {
|
||||
final params = <String, String>{
|
||||
'rateType': _getRateType(isFixedRateMode),
|
||||
'amount': '1',
|
||||
};
|
||||
if (isFixedRateMode) {
|
||||
params['coinFrom'] = _normalizeCurrency(to);
|
||||
params['coinTo'] = _normalizeCurrency(from);
|
||||
params['networkFrom'] = _networkFor(to);
|
||||
params['networkTo'] = _networkFor(from);
|
||||
} else {
|
||||
params['coinFrom'] = _normalizeCurrency(from);
|
||||
params['coinTo'] = _normalizeCurrency(to);
|
||||
params['networkFrom'] = _networkFor(from);
|
||||
params['networkTo'] = _networkFor(to);
|
||||
}
|
||||
final uri = Uri.https(apiBaseUrl, ratePath, params);
|
||||
final response = await get(uri);
|
||||
|
||||
if (response.statusCode != 200)
|
||||
throw Exception('Unexpected http status: ${response.statusCode}');
|
||||
|
||||
final responseJSON = json.decode(response.body) as Map<String, dynamic>;
|
||||
return Limits(min: responseJSON['minAmount'] as double?);
|
||||
}
|
||||
|
||||
@override
|
||||
Future<double> fetchRate(
|
||||
{required CryptoCurrency from,
|
||||
required CryptoCurrency to,
|
||||
required double amount,
|
||||
required bool isFixedRateMode,
|
||||
required bool isReceiveAmount}) async {
|
||||
try {
|
||||
if (amount == 0) return 0.0;
|
||||
|
||||
final params = {
|
||||
'coinFrom': _normalizeCurrency(from),
|
||||
'coinTo': _normalizeCurrency(to),
|
||||
'networkFrom': _networkFor(from),
|
||||
'networkTo': _networkFor(to),
|
||||
'rateType': _getRateType(isFixedRateMode),
|
||||
'apiToken': apiKey,
|
||||
};
|
||||
|
||||
if (isReceiveAmount)
|
||||
params['withdrawalAmount'] = amount.toString();
|
||||
else
|
||||
params['amount'] = amount.toString();
|
||||
|
||||
final uri = Uri.https(apiBaseUrl, ratePath, params);
|
||||
final response = await get(uri);
|
||||
final responseJSON = json.decode(response.body) as Map<String, dynamic>;
|
||||
|
||||
if (response.statusCode != 200) {
|
||||
final message = responseJSON['message'] as String?;
|
||||
throw Exception(message);
|
||||
}
|
||||
|
||||
return responseJSON['rate'] as double;
|
||||
} catch (e) {
|
||||
print(e.toString());
|
||||
return 0.0;
|
||||
}
|
||||
}
|
||||
|
||||
@override
|
||||
Future<Trade> createTrade({required TradeRequest request, required bool isFixedRateMode}) async {
|
||||
final headers = {'Content-Type': 'application/json'};
|
||||
final body = {
|
||||
'coinFrom': _normalizeCurrency(request.fromCurrency),
|
||||
'coinTo': _normalizeCurrency(request.toCurrency),
|
||||
'networkFrom': _networkFor(request.fromCurrency),
|
||||
'networkTo': _networkFor(request.toCurrency),
|
||||
'withdrawalAddress': request.toAddress,
|
||||
'refundAddress': request.refundAddress,
|
||||
'rateType': _getRateType(isFixedRateMode),
|
||||
'apiToken': apiKey,
|
||||
};
|
||||
|
||||
if (isFixedRateMode)
|
||||
body['withdrawalAmount'] = request.toAmount;
|
||||
else
|
||||
body['amount'] = request.fromAmount;
|
||||
|
||||
final uri = Uri.https(apiBaseUrl, transactionsPath);
|
||||
final response = await post(uri, headers: headers, body: json.encode(body));
|
||||
|
||||
if (response.statusCode == 400) {
|
||||
final responseJSON = json.decode(response.body) as Map<String, dynamic>;
|
||||
final errors = responseJSON['errors'] as Map<String, String>;
|
||||
final errorMessage = errors.values.join(', ');
|
||||
throw Exception(errorMessage);
|
||||
}
|
||||
|
||||
if (response.statusCode != 200 && response.statusCode != 201)
|
||||
throw Exception('Unexpected http status: ${response.statusCode}');
|
||||
|
||||
final responseJSON = json.decode(response.body) as Map<String, dynamic>;
|
||||
final id = responseJSON['id'] as String;
|
||||
final inputAddress = responseJSON['depositAddress'] as String;
|
||||
final refundAddress = responseJSON['refundAddress'] as String?;
|
||||
final extraId = responseJSON['depositExtraId'] as String?;
|
||||
final payoutAddress = responseJSON['withdrawalAddress'] as String;
|
||||
final amount = responseJSON['amount'].toString();
|
||||
|
||||
return Trade(
|
||||
id: id,
|
||||
from: request.fromCurrency,
|
||||
to: request.toCurrency,
|
||||
provider: description,
|
||||
inputAddress: inputAddress,
|
||||
refundAddress: refundAddress,
|
||||
extraId: extraId,
|
||||
createdAt: DateTime.now(),
|
||||
amount: amount,
|
||||
state: TradeState.created,
|
||||
payoutAddress: payoutAddress);
|
||||
}
|
||||
|
||||
@override
|
||||
Future<Trade> findTradeById({required String id}) async {
|
||||
final findTradeByIdPath = '$transactionsPath/$id';
|
||||
final uri = Uri.https(apiBaseUrl, findTradeByIdPath);
|
||||
final response = await get(uri);
|
||||
|
||||
if (response.statusCode == 404) throw TradeNotFoundException(id, provider: description);
|
||||
|
||||
if (response.statusCode == 400) {
|
||||
final responseJSON = json.decode(response.body) as Map<String, dynamic>;
|
||||
final errors = responseJSON['errors'] as Map<String, String>;
|
||||
final errorMessage = errors.values.join(', ');
|
||||
|
||||
throw TradeNotFoundException(id, provider: description, description: errorMessage);
|
||||
}
|
||||
|
||||
if (response.statusCode != 200)
|
||||
throw Exception('Unexpected http status: ${response.statusCode}');
|
||||
|
||||
final responseJSON = json.decode(response.body) as Map<String, dynamic>;
|
||||
final coinFrom = responseJSON['coinFrom']['coinCode'] as String;
|
||||
final coinTo = responseJSON['coinTo']['coinCode'] as String;
|
||||
final inputAddress = responseJSON['depositAddress'] as String;
|
||||
final amount = responseJSON['amount'].toString();
|
||||
final status = responseJSON['status'] as String;
|
||||
final extraId = responseJSON['depositExtraId'] as String?;
|
||||
final outputTransaction = responseJSON['hashOut']['hash'] as String?;
|
||||
final payoutAddress = responseJSON['withdrawalAddress'] as String;
|
||||
|
||||
return Trade(
|
||||
id: id,
|
||||
from: CryptoCurrency.fromString(coinFrom),
|
||||
to: CryptoCurrency.fromString(coinTo),
|
||||
provider: description,
|
||||
inputAddress: inputAddress,
|
||||
amount: amount,
|
||||
state: TradeState.deserialize(raw: _prepareStatus(status)),
|
||||
extraId: extraId,
|
||||
outputTransaction: outputTransaction,
|
||||
payoutAddress: payoutAddress);
|
||||
}
|
||||
|
||||
String _getRateType(bool isFixedRate) => isFixedRate ? 'fixed' : 'float';
|
||||
|
||||
String _prepareStatus(String status) {
|
||||
switch (status) {
|
||||
case 'deleted':
|
||||
case 'error':
|
||||
return 'overdue';
|
||||
default:
|
||||
return status;
|
||||
}
|
||||
}
|
||||
|
||||
String _networkFor(CryptoCurrency currency) {
|
||||
switch (currency) {
|
||||
case CryptoCurrency.arb:
|
||||
return 'ARBITRUM';
|
||||
default:
|
||||
return currency.tag != null ? _normalizeTag(currency.tag!) : currency.title;
|
||||
}
|
||||
}
|
||||
|
||||
String _normalizeCurrency(CryptoCurrency currency) {
|
||||
switch (currency) {
|
||||
case CryptoCurrency.nano:
|
||||
return 'XNO';
|
||||
case CryptoCurrency.bttc:
|
||||
return 'BTT';
|
||||
case CryptoCurrency.zec:
|
||||
return 'ZEC';
|
||||
default:
|
||||
return currency.title;
|
||||
}
|
||||
}
|
||||
|
||||
String _normalizeTag(String tag) {
|
||||
switch (tag) {
|
||||
case 'POLY':
|
||||
return 'Polygon';
|
||||
default:
|
||||
return tag;
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue