mirror of
https://github.com/aljazceru/bitfinex-api-py.git
synced 2025-12-19 06:44:22 +01:00
85 lines
3.3 KiB
Python
85 lines
3.3 KiB
Python
from typing import TYPE_CHECKING, \
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Union, Dict, Tuple, Any
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from bfxapi.types import serializers
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from bfxapi.types.serializers import _Notification
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if TYPE_CHECKING:
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from bfxapi.types.dataclasses import \
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Order, FundingOffer
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from pyee.base import EventEmitter
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class AuthEventsHandler:
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__once_abbreviations = {
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"os": "order_snapshot", "ps": "position_snapshot", "fos": "funding_offer_snapshot",
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"fcs": "funding_credit_snapshot", "fls": "funding_loan_snapshot", "ws": "wallet_snapshot"
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}
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__on_abbreviations = {
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"on": "order_new", "ou": "order_update", "oc": "order_cancel",
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"pn": "position_new", "pu": "position_update", "pc": "position_close",
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"fon": "funding_offer_new", "fou": "funding_offer_update", "foc": "funding_offer_cancel",
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"fcn": "funding_credit_new", "fcu": "funding_credit_update", "fcc": "funding_credit_close",
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"fln": "funding_loan_new", "flu": "funding_loan_update", "flc": "funding_loan_close",
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"te": "trade_execution", "tu": "trade_execution_update", "wu": "wallet_update"
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}
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__abbreviations = {
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**__once_abbreviations,
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**__on_abbreviations
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}
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ONCE_EVENTS = [
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*list(__once_abbreviations.values())
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]
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ON_EVENTS = [
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*list(__on_abbreviations.values()),
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"notification", "on-req-notification", "ou-req-notification",
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"oc-req-notification", "fon-req-notification", "foc-req-notification"
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]
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def __init__(self, event_emitter: "EventEmitter") -> None:
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self.__event_emitter = event_emitter
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self.__serializers: Dict[Tuple[str, ...], serializers._Serializer] = {
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("os", "on", "ou", "oc",): serializers.Order,
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("ps", "pn", "pu", "pc",): serializers.Position,
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("te", "tu"): serializers.Trade,
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("fos", "fon", "fou", "foc",): serializers.FundingOffer,
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("fcs", "fcn", "fcu", "fcc",): serializers.FundingCredit,
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("fls", "fln", "flu", "flc",): serializers.FundingLoan,
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("ws", "wu",): serializers.Wallet
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}
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def handle(self, abbrevation: str, stream: Any) -> None:
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if abbrevation == "n":
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return self.__notification(stream)
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for abbrevations, serializer in self.__serializers.items():
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if abbrevation in abbrevations:
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event = AuthEventsHandler.__abbreviations[abbrevation]
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if all(isinstance(sub_stream, list) for sub_stream in stream):
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data = [ serializer.parse(*sub_stream) for sub_stream in stream ]
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else: data = serializer.parse(*stream)
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self.__event_emitter.emit(event, data)
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break
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def __notification(self, stream: Any) -> None:
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_Types = Union[None, "Order", "FundingOffer"]
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event, serializer = "notification", _Notification[_Types](serializer=None)
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if stream[1] == "on-req" or stream[1] == "ou-req" or stream[1] == "oc-req":
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event, serializer = f"{stream[1]}-notification", _Notification[_Types](serializer=serializers.Order)
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if stream[1] == "fon-req" or stream[1] == "foc-req":
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event, serializer = f"{stream[1]}-notification", _Notification[_Types](serializer=serializers.FundingOffer)
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self.__event_emitter.emit(event, serializer.parse(*stream))
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