128 lines
3.5 KiB
Python
128 lines
3.5 KiB
Python
from abc import ABC, abstractmethod
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from typing import List, Optional
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import arrow
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class Exchange(ABC):
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@property
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def name(self) -> str:
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"""
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Name of the exchange.
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:return: str representation of the class name
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"""
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return self.__class__.__name__
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@property
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@abstractmethod
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def sleep_time(self) -> float:
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"""
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Sleep time in seconds for the main loop to avoid API rate limits.
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:return: float
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"""
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@abstractmethod
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def buy(self, pair: str, rate: float, amount: float) -> str:
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"""
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Places a limit buy order.
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:param pair: Pair as str, format: BTC_ETH
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:param rate: Rate limit for order
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:param amount: The amount to purchase
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:return: order_id of the placed buy order
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"""
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@abstractmethod
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def sell(self, pair: str, rate: float, amount: float) -> str:
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"""
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Places a limit sell order.
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:param pair: Pair as str, format: BTC_ETH
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:param rate: Rate limit for order
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:param amount: The amount to sell
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:return: order_id of the placed sell order
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"""
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@abstractmethod
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def get_balance(self, currency: str) -> float:
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"""
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Gets account balance.
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:param currency: Currency as str, format: BTC
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:return: float
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"""
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@abstractmethod
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def get_ticker(self, pair: str) -> dict:
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"""
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Gets ticker for given pair.
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:param pair: Pair as str, format: BTC_ETC
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:return: dict, format: {
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'bid': float,
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'ask': float,
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'last': float
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}
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"""
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@abstractmethod
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def get_ticker_history(self, pair: str, minimum_date: Optional[arrow.Arrow] = None) -> dict:
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"""
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Gets ticker history for given pair.
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:param pair: Pair as str, format: BTC_ETC
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:param minimum_date: Minimum date (optional)
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:return: dict, format: {
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'success': bool,
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'message': str,
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'result': [
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{
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'O': float, (Open)
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'H': float, (High)
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'L': float, (Low)
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'C': float, (Close)
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'V': float, (Volume)
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'T': datetime, (Time)
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'BV': float, (Base Volume)
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},
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...
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]
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}
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"""
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@abstractmethod
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def cancel_order(self, order_id: str) -> None:
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"""
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Cancels order for given order_id.
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:param order_id: ID as str
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:return: None
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"""
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@abstractmethod
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def get_open_orders(self, pair: str) -> List[dict]:
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"""
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Gets all open orders for given pair.
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:param pair: Pair as str, format: BTC_ETC
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:return: List of dicts, format: [
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{
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'id': str,
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'type': str,
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'opened': datetime,
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'rate': float,
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'amount': float,
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'remaining': int,
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},
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...
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]
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"""
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@abstractmethod
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def get_pair_detail_url(self, pair: str) -> str:
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"""
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Returns the market detail url for the given pair.
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:param pair: Pair as str, format: BTC_ETC
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:return: URL as str
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"""
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@abstractmethod
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def get_markets(self) -> List[str]:
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"""
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Returns all available markets.
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:return: List of all available pairs
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"""
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