Files
bitfinex-api-py/bfxapi/rest/BfxRestInterface.py

398 lines
19 KiB
Python

import time, hmac, hashlib, json, requests
from decimal import Decimal
from datetime import datetime
from http import HTTPStatus
from typing import List, Union, Literal, Optional, Any, cast
from . import serializers
from .typings import *
from .enums import Config, Sort, OrderType, FundingOfferType, Error
from .exceptions import ResourceNotFound, RequestParametersError, InvalidAuthenticationCredentials, UnknownGenericError
from .. utils.encoder import JSONEncoder
class BfxRestInterface(object):
def __init__(self, host, API_KEY = None, API_SECRET = None):
self.public = _RestPublicEndpoints(host=host)
self.auth = _RestAuthenticatedEndpoints(host=host, API_KEY=API_KEY, API_SECRET=API_SECRET)
class _Requests(object):
def __init__(self, host, API_KEY = None, API_SECRET = None):
self.host, self.API_KEY, self.API_SECRET = host, API_KEY, API_SECRET
def __build_authentication_headers(self, endpoint, data):
nonce = str(int(time.time()) * 1000)
path = f"/api/v2/{endpoint}{nonce}"
if data != None: path += data
signature = hmac.new(
self.API_SECRET.encode("utf8"),
path.encode("utf8"),
hashlib.sha384
).hexdigest()
return {
"bfx-nonce": nonce,
"bfx-signature": signature,
"bfx-apikey": self.API_KEY
}
def _GET(self, endpoint, params = None):
response = requests.get(f"{self.host}/{endpoint}", params=params)
if response.status_code == HTTPStatus.NOT_FOUND:
raise ResourceNotFound(f"No resources found at endpoint <{endpoint}>.")
data = response.json()
if len(data) and data[0] == "error":
if data[1] == Error.ERR_PARAMS:
raise RequestParametersError(f"The request was rejected with the following parameter error: <{data[2]}>")
if data[1] == None or data[1] == Error.ERR_UNK or data[1] == Error.ERR_GENERIC:
raise UnknownGenericError("The server replied to the request with a generic error with message: <{data[2]}>.")
return data
def _POST(self, endpoint, params = None, data = None, _append_authentication_headers = True):
headers = { "Content-Type": "application/json" }
if isinstance(data, dict):
data = json.dumps({ key: value for key, value in data.items() if value != None}, cls=JSONEncoder)
if _append_authentication_headers:
headers = { **headers, **self.__build_authentication_headers(endpoint, data) }
response = requests.post(f"{self.host}/{endpoint}", params=params, data=data, headers=headers)
if response.status_code == HTTPStatus.NOT_FOUND:
raise ResourceNotFound(f"No resources found at endpoint <{endpoint}>.")
data = response.json()
if len(data) and data[0] == "error":
if data[1] == Error.ERR_PARAMS:
raise RequestParametersError(f"The request was rejected with the following parameter error: <{data[2]}>")
if data[1] == Error.ERR_AUTH_FAIL:
raise InvalidAuthenticationCredentials("Cannot authenticate with given API-KEY and API-SECRET.")
if data[1] == None or data[1] == Error.ERR_UNK or data[1] == Error.ERR_GENERIC:
raise UnknownGenericError(f"The server replied to the request with a generic error with message: <{data[2]}>.")
return data
class _RestPublicEndpoints(_Requests):
def get_platform_status(self) -> PlatformStatus:
return serializers.PlatformStatus.parse(*self._GET("platform/status"))
def get_tickers(self, symbols: List[str]) -> List[Union[TradingPairTicker, FundingCurrencyTicker]]:
data = self._GET("tickers", params={ "symbols": ",".join(symbols) })
parsers = { "t": serializers.TradingPairTicker.parse, "f": serializers.FundingCurrencyTicker.parse }
return [ cast(Union[TradingPairTicker, FundingCurrencyTicker], parsers[subdata[0][0]](*subdata)) for subdata in data ]
def get_t_tickers(self, pairs: Union[List[str], Literal["ALL"]]) -> List[TradingPairTicker]:
if isinstance(pairs, str) and pairs == "ALL":
return [ cast(TradingPairTicker, subdata) for subdata in self.get_tickers([ "ALL" ]) if cast(str, subdata.SYMBOL).startswith("t") ]
data = self.get_tickers([ "t" + pair for pair in pairs ])
return cast(List[TradingPairTicker], data)
def get_f_tickers(self, currencies: Union[List[str], Literal["ALL"]]) -> List[FundingCurrencyTicker]:
if isinstance(currencies, str) and currencies == "ALL":
return [ cast(FundingCurrencyTicker, subdata) for subdata in self.get_tickers([ "ALL" ]) if cast(str, subdata.SYMBOL).startswith("f") ]
data = self.get_tickers([ "f" + currency for currency in currencies ])
return cast(List[FundingCurrencyTicker], data)
def get_t_ticker(self, pair: str) -> TradingPairTicker:
return serializers.TradingPairTicker.parse(*self._GET(f"ticker/t{pair}"), skip=["SYMBOL"])
def get_f_ticker(self, currency: str) -> FundingCurrencyTicker:
return serializers.FundingCurrencyTicker.parse(*self._GET(f"ticker/f{currency}"), skip=["SYMBOL"])
def get_tickers_history(self, symbols: List[str], start: Optional[str] = None, end: Optional[str] = None, limit: Optional[int] = None) -> List[TickersHistory]:
params = {
"symbols": ",".join(symbols),
"start": start, "end": end,
"limit": limit
}
data = self._GET("tickers/hist", params=params)
return [ serializers.TickersHistory.parse(*subdata) for subdata in data ]
def get_t_trades(self, pair: str, limit: Optional[int] = None, start: Optional[str] = None, end: Optional[str] = None, sort: Optional[Sort] = None) -> List[TradingPairTrade]:
params = { "limit": limit, "start": start, "end": end, "sort": sort }
data = self._GET(f"trades/{'t' + pair}/hist", params=params)
return [ serializers.TradingPairTrade.parse(*subdata) for subdata in data ]
def get_f_trades(self, currency: str, limit: Optional[int] = None, start: Optional[str] = None, end: Optional[str] = None, sort: Optional[Sort] = None) -> List[FundingCurrencyTrade]:
params = { "limit": limit, "start": start, "end": end, "sort": sort }
data = self._GET(f"trades/{'f' + currency}/hist", params=params)
return [ serializers.FundingCurrencyTrade.parse(*subdata) for subdata in data ]
def get_t_book(self, pair: str, precision: Literal["P0", "P1", "P2", "P3", "P4"], len: Optional[Literal[1, 25, 100]] = None) -> List[TradingPairBook]:
return [ serializers.TradingPairBook.parse(*subdata) for subdata in self._GET(f"book/{'t' + pair}/{precision}", params={ "len": len }) ]
def get_f_book(self, currency: str, precision: Literal["P0", "P1", "P2", "P3", "P4"], len: Optional[Literal[1, 25, 100]] = None) -> List[FundingCurrencyBook]:
return [ serializers.FundingCurrencyBook.parse(*subdata) for subdata in self._GET(f"book/{'f' + currency}/{precision}", params={ "len": len }) ]
def get_t_raw_book(self, pair: str, len: Optional[Literal[1, 25, 100]] = None) -> List[TradingPairRawBook]:
return [ serializers.TradingPairRawBook.parse(*subdata) for subdata in self._GET(f"book/{'t' + pair}/R0", params={ "len": len }) ]
def get_f_raw_book(self, currency: str, len: Optional[Literal[1, 25, 100]] = None) -> List[FundingCurrencyRawBook]:
return [ serializers.FundingCurrencyRawBook.parse(*subdata) for subdata in self._GET(f"book/{'f' + currency}/R0", params={ "len": len }) ]
def get_stats_hist(
self,
resource: str,
sort: Optional[Sort] = None, start: Optional[str] = None, end: Optional[str] = None, limit: Optional[int] = None
) -> List[Statistic]:
params = { "sort": sort, "start": start, "end": end, "limit": limit }
data = self._GET(f"stats1/{resource}/hist", params=params)
return [ serializers.Statistic.parse(*subdata) for subdata in data ]
def get_stats_last(
self,
resource: str,
sort: Optional[Sort] = None, start: Optional[str] = None, end: Optional[str] = None, limit: Optional[int] = None
) -> Statistic:
params = { "sort": sort, "start": start, "end": end, "limit": limit }
data = self._GET(f"stats1/{resource}/last", params=params)
return serializers.Statistic.parse(*data)
def get_candles_hist(
self,
resource: str,
sort: Optional[Sort] = None, start: Optional[str] = None, end: Optional[str] = None, limit: Optional[int] = None
) -> List[Candle]:
params = { "sort": sort, "start": start, "end": end, "limit": limit }
data = self._GET(f"candles/{resource}/hist", params=params)
return [ serializers.Candle.parse(*subdata) for subdata in data ]
def get_candles_last(
self,
resource: str,
sort: Optional[Sort] = None, start: Optional[str] = None, end: Optional[str] = None, limit: Optional[int] = None
) -> Candle:
params = { "sort": sort, "start": start, "end": end, "limit": limit }
data = self._GET(f"candles/{resource}/last", params=params)
return serializers.Candle.parse(*data)
def get_derivatives_status(self, type: str, keys: List[str]) -> List[DerivativesStatus]:
params = { "keys": ",".join(keys) }
data = self._GET(f"status/{type}", params=params)
return [ serializers.DerivativesStatus.parse(*subdata) for subdata in data ]
def get_derivatives_status_history(
self,
type: str, symbol: str,
sort: Optional[Sort] = None, start: Optional[str] = None, end: Optional[str] = None, limit: Optional[int] = None
) -> List[DerivativesStatus]:
params = { "sort": sort, "start": start, "end": end, "limit": limit }
data = self._GET(f"status/{type}/{symbol}/hist", params=params)
return [ serializers.DerivativesStatus.parse(*subdata, skip=[ "KEY" ]) for subdata in data ]
def get_liquidations(self, sort: Optional[Sort] = None, start: Optional[str] = None, end: Optional[str] = None, limit: Optional[int] = None) -> List[Liquidation]:
params = { "sort": sort, "start": start, "end": end, "limit": limit }
data = self._GET("liquidations/hist", params=params)
return [ serializers.Liquidation.parse(*subdata[0]) for subdata in data ]
def get_leaderboards_hist(
self,
resource: str,
sort: Optional[Sort] = None, start: Optional[str] = None, end: Optional[str] = None, limit: Optional[int] = None
) -> List[Leaderboard]:
params = { "sort": sort, "start": start, "end": end, "limit": limit }
data = self._GET(f"rankings/{resource}/hist", params=params)
return [ serializers.Leaderboard.parse(*subdata) for subdata in data ]
def get_leaderboards_last(
self,
resource: str,
sort: Optional[Sort] = None, start: Optional[str] = None, end: Optional[str] = None, limit: Optional[int] = None
) -> Leaderboard:
params = { "sort": sort, "start": start, "end": end, "limit": limit }
data = self._GET(f"rankings/{resource}/last", params=params)
return serializers.Leaderboard.parse(*data)
def get_funding_stats(self, symbol: str, start: Optional[str] = None, end: Optional[str] = None, limit: Optional[int] = None) -> List[FundingStatistic]:
params = { "start": start, "end": end, "limit": limit }
data = self._GET(f"funding/stats/{symbol}/hist", params=params)
return [ serializers.FundingStatistic.parse(*subdata) for subdata in data ]
def conf(self, config: Config) -> Any:
return self._GET(f"conf/{config}")[0]
class _RestAuthenticatedEndpoints(_Requests):
def get_wallets(self) -> List[Wallet]:
return [ serializers.Wallet.parse(*subdata) for subdata in self._POST("auth/r/wallets") ]
def get_orders(self, symbol: Optional[str] = None, ids: Optional[List[str]] = None) -> List[Order]:
endpoint = "auth/r/orders"
if symbol != None:
endpoint += f"/{symbol}"
return [ serializers.Order.parse(*subdata) for subdata in self._POST(endpoint, data={ "id": ids }) ]
def get_positions(self) -> List[Position]:
return [ serializers.Position.parse(*subdata) for subdata in self._POST("auth/r/positions") ]
def submit_order(self, type: OrderType, symbol: str, amount: Union[Decimal, str],
price: Optional[Union[Decimal, str]] = None, lev: Optional[int] = None,
price_trailing: Optional[Union[Decimal, str]] = None, price_aux_limit: Optional[Union[Decimal, str]] = None, price_oco_stop: Optional[Union[Decimal, str]] = None,
gid: Optional[int] = None, cid: Optional[int] = None,
flags: Optional[int] = 0, tif: Optional[Union[datetime, str]] = None, meta: Optional[JSON] = None) -> Notification[Order]:
data = {
"type": type, "symbol": symbol, "amount": amount,
"price": price, "lev": lev,
"price_trailing": price_trailing, "price_aux_limit": price_aux_limit, "price_oco_stop": price_oco_stop,
"gid": gid, "cid": cid,
"flags": flags, "tif": tif, "meta": meta
}
return serializers._Notification[Order](serializer=serializers.Order).parse(*self._POST("auth/w/order/submit", data=data))
def update_order(self, id: int, amount: Optional[Union[Decimal, str]] = None, price: Optional[Union[Decimal, str]] = None,
cid: Optional[int] = None, cid_date: Optional[str] = None, gid: Optional[int] = None,
flags: Optional[int] = 0, lev: Optional[int] = None, delta: Optional[Union[Decimal, str]] = None,
price_aux_limit: Optional[Union[Decimal, str]] = None, price_trailing: Optional[Union[Decimal, str]] = None, tif: Optional[Union[datetime, str]] = None) -> Notification[Order]:
data = {
"id": id, "amount": amount, "price": price,
"cid": cid, "cid_date": cid_date, "gid": gid,
"flags": flags, "lev": lev, "delta": delta,
"price_aux_limit": price_aux_limit, "price_trailing": price_trailing, "tif": tif
}
return serializers._Notification[Order](serializer=serializers.Order).parse(*self._POST("auth/w/order/update", data=data))
def cancel_order(self, id: Optional[int] = None, cid: Optional[int] = None, cid_date: Optional[str] = None) -> Notification[Order]:
data = {
"id": id,
"cid": cid,
"cid_date": cid_date
}
return serializers._Notification[Order](serializer=serializers.Order).parse(*self._POST("auth/w/order/cancel", data=data))
def cancel_order_multi(self, ids: Optional[List[int]] = None, cids: Optional[List[Tuple[int, str]]] = None, gids: Optional[List[int]] = None, all: bool = False) -> Notification[List[Order]]:
data = {
"ids": ids,
"cids": cids,
"gids": gids,
"all": int(all)
}
return serializers._Notification[List[Order]](serializer=serializers.Order, iterate=True).parse(*self._POST("auth/w/order/cancel/multi", data=data))
def get_orders_history(self, symbol: Optional[str] = None, ids: Optional[List[int]] = None, start: Optional[str] = None, end: Optional[str] = None, limit: Optional[int] = None) -> List[Order]:
if symbol == None:
endpoint = "auth/r/orders/hist"
else: endpoint = f"auth/r/orders/{symbol}/hist"
data = {
"id": ids,
"start": start, "end": end,
"limit": limit
}
return [ serializers.Order.parse(*subdata) for subdata in self._POST(endpoint, data=data) ]
def get_trades_history(self, symbol: Optional[str] = None, sort: Optional[Sort] = None, start: Optional[str] = None, end: Optional[str] = None, limit: Optional[int] = None) -> List[Trade]:
if symbol == None:
endpoint = "auth/r/trades/hist"
else: endpoint = f"auth/r/trades/{symbol}/hist"
data = {
"sort": sort,
"start": start, "end": end,
"limit": limit
}
return [ serializers.Trade.parse(*subdata) for subdata in self._POST(endpoint, data=data) ]
def get_order_trades(self, symbol: str, id: int) -> List[OrderTrade]:
return [ serializers.OrderTrade.parse(*subdata) for subdata in self._POST(f"auth/r/order/{symbol}:{id}/trades") ]
def get_ledgers(self, currency: str, category: Optional[int] = None, start: Optional[str] = None, end: Optional[str] = None, limit: Optional[int] = None) -> List[Ledger]:
data = {
"category": category,
"start": start, "end": end,
"limit": limit
}
return [ serializers.Ledger.parse(*subdata) for subdata in self._POST(f"auth/r/ledgers/{currency}/hist", data=data) ]
def get_funding_offers(self, symbol: Optional[str] = None) -> List[FundingOffer]:
endpoint = "auth/r/funding/offers"
if symbol != None:
endpoint += f"/{symbol}"
return [ serializers.FundingOffer.parse(*subdata) for subdata in self._POST(endpoint) ]
def submit_funding_offer(self, type: FundingOfferType, symbol: str, amount: Union[Decimal, str],
rate: Union[Decimal, str], period: int,
flags: Optional[int] = 0) -> Notification[FundingOffer]:
data = {
"type": type, "symbol": symbol, "amount": amount,
"rate": rate, "period": period,
"flags": flags
}
return serializers._Notification[FundingOffer](serializer=serializers.FundingOffer).parse(*self._POST("auth/w/funding/offer/submit", data=data))
def cancel_funding_offer(self, id: int) -> Notification[FundingOffer]:
return serializers._Notification[FundingOffer](serializer=serializers.FundingOffer).parse(*self._POST("auth/w/funding/offer/cancel", data={ "id": id }))
def get_funding_offers_history(self, symbol: Optional[str] = None, start: Optional[str] = None, end: Optional[str] = None, limit: Optional[int] = None) -> List[FundingOffer]:
if symbol == None:
endpoint = "auth/r/funding/offers/hist"
else: endpoint = f"auth/r/funding/offers/{symbol}/hist"
data = {
"start": start, "end": end,
"limit": limit
}
return [ serializers.FundingOffer.parse(*subdata) for subdata in self._POST(endpoint, data=data) ]
def get_funding_credits(self, symbol: Optional[str] = None) -> List[FundingCredit]:
if symbol == None:
endpoint = "auth/r/funding/credits"
else: endpoint = f"auth/r/funding/credits/{symbol}"
return [ serializers.FundingCredit.parse(*subdata) for subdata in self._POST(endpoint) ]
def get_funding_credits_history(self, symbol: Optional[str] = None, start: Optional[str] = None, end: Optional[str] = None, limit: Optional[int] = None) -> List[FundingCredit]:
if symbol == None:
endpoint = "auth/r/funding/credits/hist"
else: endpoint = f"auth/r/funding/credits/{symbol}/hist"
data = {
"start": start, "end": end,
"limit": limit
}
return [ serializers.FundingCredit.parse(*subdata) for subdata in self._POST(endpoint, data=data) ]