if (retry >= maxretries):
raise
else:
# have a rest for 2 seconds
time.sleep(2)
# loop again and get the new rows
if (data):
for row in data:
myList.append(getDepositRowFormat(row))
#withdrawals next
retry = 0
while (retry < maxretries):
try:
withdrawals = client.get_withdrawals(coin='{0}'.format(coin))
data = withdrawals['datas']
break
except:
retry = retry + 1
# quit if we hit the limit
if (retry >= maxretries):
raise
else:
# have a rest for 2 seconds
time.sleep(2)
print("Trying {0}... you have {1} withdrawal records".format(
coin, withdrawals['total']))
#if there are records in data
class KucoinWrapper(BaseExchangeWrapper):
INTERVAL_MAP = {
CandleTicks.one_minute : Client.RESOLUTION_1MINUTE,
CandleTicks.five_minutes : Client.RESOLUTION_5MINUTES,
CandleTicks.thirty_minutes : Client.RESOLUTION_30MINUTES,
CandleTicks.one_hour : Client.RESOLUTION_1HOUR,
CandleTicks.one_day : Client.RESOLUTION_1DAY,
}
TIME_SINCE_MAP = {
CandleTicks.one_minute : "1 hour ago",
CandleTicks.five_minutes : "5 hours ago",
CandleTicks.thirty_minutes : "26 hours ago",
CandleTicks.one_hour : "52 hours ago",
CandleTicks.one_day : "60 days ago",
}
ORDER_TYPE_MAPPINGS = {
'BUY' : OrderType.limit_buy,
'SELL' : OrderType.limit_sell,
}
def __init__(self, api_key, api_secret):
BaseExchangeWrapper.__init__(self)
self._handle = Client(api_key, api_secret)
self._filters = {}
self._load_markets()
def _perform_request(self, request_lambda):
try:
return request_lambda()
except KucoinAPIException as ex:
raise ExchangeAPIException('Failed to perform request: {0}'.format(ex.message))
def _load_currencies(self):
result = self._perform_request(lambda: self._handle.get_coin_list())
for coin in result:
self.add_currency(
Currency(
coin['coin'],
coin['name'],
coin['confirmationCount'],
coin['withdrawFeeRate'] # check if this is right
)
)
def _load_markets(self):
self._load_currencies()
result = self._perform_request(lambda: self._handle.get_trading_symbols())
for market in result:
self.add_market(market['coinTypePair'], market['coinType'])
def _make_symbol(self, base_currency_code, market_currency_code):
return '{0}-{1}'.format(market_currency_code, base_currency_code)
def _process_paged_request(self, make_request, callback):
page = 1
limit = 50
data = self._perform_request(lambda: make_request(limit=limit, page=page))
while len(data['datas']) > 0:
for entry in data['datas']:
callback(entry)
page += 1
data = make_request(limit=limit, page=page)
def get_market_state(self, base_currency_code, market_currency_code):
symbol = self._make_symbol(base_currency_code, market_currency_code)
data = self._perform_request(lambda: self._handle.get_tick(symbol))
return MarketState(data['sell'], data['buy'], data['lastDealPrice'])
def get_orderbook(self, base_currency_code, market_currency_code):
symbol = self._make_symbol(base_currency_code, market_currency_code)
data = self._perform_request(lambda: self._handle.get_order_book(symbol))
buy_orderbook = Orderbook()
sell_orderbook = Orderbook()
for item in data['BUY']:
buy_orderbook.add_order(Order(item[0], item[1]))
for item in data['SELL']:
sell_orderbook.add_order(Order(item[0], item[1]))
return (buy_orderbook, sell_orderbook)
def get_candles(self, base_currency_code, market_currency_code, interval, limit):
symbol = self._make_symbol(base_currency_code, market_currency_code)
since = KucoinWrapper.TIME_SINCE_MAP[interval]
kucoin_interval = KucoinWrapper.INTERVAL_MAP[interval]
data = self._perform_request(
lambda: self._handle.get_historical_klines_tv(symbol, kucoin_interval, since)
)
output = []
for i in data:
output.append(Candle(
i[3], # Low
i[2], # High
i[1], # Open
i[4], # Close
dateparser.parse(str(i[0]))
))
return output
def get_wallets(self):
output = []
self._process_paged_request(
self._handle.get_all_balances,
lambda entry: output.append(Wallet(
entry['coinType'],
entry['balance'],
entry['balance'] - entry['freezeBalance'],
entry['freezeBalance']
))
)
return output
def get_wallet(self, currency_code):
self.check_valid_currency(currency_code)
data = self._perform_request(lambda: self._handle.get_coin_balance(currency_code))
return Wallet(
self._currencies[currency_code],
data['balance'],
data['balance'] - data['freezeBalance'],
data['freezeBalance']
)
def get_deposit_history(self, currency_code):
request = lambda limit, page: self._handle.get_deposits(
currency_code,
limit=limit,
page=page
)
output = []
self._process_paged_request(
request,
lambda entry: output.append(Transfer(
self._currencies[entry['coinType']],
entry['amount'],
entry['outerWalletTxid'], # is this right?
1 if entry['status'] == 'FINISHED' else 0,
0, # cost
entry['status'] == 'CANCEL',
dataparser.parse(str(entry['createdAt']))
))
)
return output
def get_withdrawal_history(self, currency_code):
request = lambda limit, page: self._handle.get_withdrawals(
currency_code,
limit=limit,
page=page
)
output = []
self._process_paged_request(
request,
lambda entry: output.append(Transfer(
self._currencies[entry['coinType']],
entry['amount'],
entry['outerWalletTxid'], # is this right?
0,
entry['fee'],
entry['status'] == 'CANCEL',
dataparser.parse(str(entry['createdAt']))
))
)
return output
def get_open_orders(self):
raise ExchangeAPIException('Not implemented')
def get_order_history(self):
output = []
self._process_paged_request(
self._handle.get_dealt_orders,
lambda entry: output.append(TradeOrder(
data['orderOid'],
self._currencies[base_currency],
self._currencies[market_currency],
None, # Date open
dateparser.parse(str(data['createdAt'])),
data['amount'],
0, # Amount remaining
data['dealPrice'],
data['dealPrice'],
KucoinWrapper.ORDER_TYPE_MAPPINGS[data['direction']]
))
)
return output
def buy(self, base_currency_code, market_currency_code, amount, rate):
symbol = self._make_symbol(base_currency_code, market_currency_code)
result = self._perform_request(lambda: self._handle.create_buy_order(symbol, rate, amount))
return result['orderOid']
def sell(self, base_currency_code, market_currency_code, amount, rate):
symbol = self._make_symbol(base_currency_code, market_currency_code)
result = self._perform_request(lambda: self._handle.create_sell_order(symbol, rate, amount))
return result['orderOid']
def cancel_order(self, base_currency_code, market_currency_code, order_id):
self._perform_request(lambda: self._handle.cancel_order(order_id, None))
def withdraw(self, currency_code, amount, address, address_tag):
if address_tag:
raise ExchangeAPIException('Address tag not supported')
self._perform_request(
lambda: self._handle.create_withdrawal(currency_code, amount, address)
)
def get_deposit_address(self, currency_code):
result = self._perform_request(lambda: self._handle.get_deposit_address(currency_code))
return CryptoAddress(
currency_code,
result['address'],
None
)
def transfers_needs_asset(self):
return True