47 lines
1.9 KiB
Python
47 lines
1.9 KiB
Python
from typing import Dict, Any, Optional
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import logging
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from okx import OkxRestClient
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from .base_service import BaseService
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logger = logging.getLogger(__name__)
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class CryptoService(BaseService):
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"""加密货币价格服务"""
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def __init__(self, api_key: str = "", secret_key: str = "", passphrase: str = ""):
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super().__init__()
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# 对于公共数据，不需要API密钥
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self.client = OkxRestClient(api_key, secret_key, passphrase) if api_key else OkxRestClient()
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def get_data(self, pair: str = "ETH-USDT") -> Optional[Dict[str, Any]]:
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"""获取指定交易对的价格数据"""
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try:
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# 使用正确的marketdata属性获取ticker数据
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response = self.client.marketdata.get_ticker(instId=pair)
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if response and response.get('code') == '0' and response.get('data'):
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ticker_data = response['data'][0]
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# 手动计算24小时百分比变化
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last_price = float(ticker_data['last'])
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open_price = float(ticker_data['open24h'])
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pct_change = ((last_price - open_price) / open_price) * 100
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# 格式化数据
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return {
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'pair': pair,
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'price': last_price,
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'change_24h': round(pct_change, 2), # 保留两位小数
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'volume_24h': float(ticker_data.get('vol24h', 0)),
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'high_24h': float(ticker_data.get('high24h', 0)),
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'low_24h': float(ticker_data.get('low24h', 0)),
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'timestamp': ticker_data['ts']
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}
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else:
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logger.error(f"获取{pair}价格失败: {response}")
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return None
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except Exception as e:
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logger.error(f"获取加密货币价格时出错: {e}")
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return None
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