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DinQuant/backend_api_python/app/services/polymarket_analyzer.py
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2026-03-01 03:42:10 +08:00
"""
Polymarket预测市场分析器
分析预测市场,生成AI预测和交易机会推荐
"""
import json
import re
from typing import Dict, List, Any, Optional
from datetime import datetime
from app.utils.logger import get_logger
from app.utils.db import get_db_connection
from app.services.llm import LLMService
from app.services.market_data_collector import get_market_data_collector
from app.data_sources.polymarket import PolymarketDataSource
logger = get_logger(__name__)
class PolymarketAnalyzer:
"""预测市场AI分析器"""
def __init__(self):
self.llm_service = LLMService()
self.data_collector = get_market_data_collector()
self.polymarket_source = PolymarketDataSource()
def analyze_market(self, market_id: str, user_id: int = None, use_cache: bool = True) -> Dict:
"""
分析单个预测市场
Args:
market_id: 市场ID
user_id: 用户ID(可选,用于用户特定分析)
use_cache: 是否使用缓存的分析结果(默认True)
Returns:
分析结果字典
"""
try:
# 1. 获取市场数据
market = self.polymarket_source.get_market_details(market_id)
if not market:
return {
"error": "Market not found",
"market_id": market_id
}
# 2. 如果使用缓存,检查是否有缓存的分析结果(30分钟有效)
if use_cache:
cached_analysis = self._get_cached_analysis(market_id, user_id)
if cached_analysis:
cache_minutes = 30 # 缓存30分钟
if self._is_analysis_fresh(cached_analysis, max_age_minutes=cache_minutes):
logger.debug(f"Using cached analysis for market {market_id}")
return cached_analysis
# 3. 收集相关数据
related_news = self._get_related_news(market['question'])
related_assets = self._identify_related_assets(market['question'])
asset_data = self._get_asset_data(related_assets)
# 4. AI分析
ai_result = self._ai_predict_probability(
question=market['question'],
current_market_prob=market['current_probability'],
related_news=related_news,
asset_data=asset_data
)
# 5. 计算机会评分
opportunity_score = self._calculate_opportunity_score(
ai_prob=ai_result['predicted_probability'],
market_prob=market['current_probability'],
confidence=ai_result['confidence']
)
# 6. 生成推荐
recommendation = self._generate_recommendation(
divergence=ai_result['predicted_probability'] - market['current_probability'],
confidence=ai_result['confidence']
)
# 7. 构建分析结果
analysis_result = {
"market_id": market_id,
"ai_predicted_probability": ai_result['predicted_probability'],
"market_probability": market['current_probability'],
"divergence": ai_result['predicted_probability'] - market['current_probability'],
"recommendation": recommendation,
"confidence_score": ai_result['confidence'],
"reasoning": ai_result['reasoning'],
"key_factors": ai_result.get('key_factors', []),
"risk_factors": ai_result.get('risk_factors', []),
"related_assets": related_assets,
"risk_level": self._assess_risk(market, ai_result),
"opportunity_score": opportunity_score
}
# 8. 保存到数据库
self._save_analysis_to_db(analysis_result, user_id)
return analysis_result
except Exception as e:
logger.error(f"Failed to analyze market {market_id}: {e}", exc_info=True)
return {
"error": str(e),
"market_id": market_id
}
def generate_asset_trading_opportunities(self, market_id: str) -> List[Dict]:
"""
基于预测市场生成相关资产的交易机会
Args:
market_id: 预测市场ID
Returns:
资产交易机会列表
"""
try:
# 1. 分析预测市场
market_analysis = self.analyze_market(market_id)
if market_analysis.get('error'):
return []
# 2. 识别相关资产
related_assets = market_analysis.get('related_assets', [])
if not related_assets:
return []
# 3. 对每个资产进行技术分析
opportunities = []
for asset in related_assets:
try:
# 推断市场类型
market_type = self._infer_market(asset)
# 获取资产数据
asset_data = self.data_collector.collect_all(
market=market_type,
symbol=asset,
timeframe="1D",
include_polymarket=False # 避免循环
)
# 技术分析
technical_analysis = self._analyze_technical(asset_data)
# 结合预测市场信号
if market_analysis['recommendation'] == "YES":
# 预测事件发生概率高 → 相关资产可能上涨
signal = "BUY" if technical_analysis.get('trend') == "bullish" else "HOLD"
elif market_analysis['recommendation'] == "NO":
# 预测事件发生概率低 → 相关资产可能下跌
signal = "SELL" if technical_analysis.get('trend') == "bearish" else "HOLD"
else:
signal = "HOLD"
# 计算综合置信度
confidence = (
market_analysis['confidence_score'] * 0.6 +
technical_analysis.get('confidence', 50) * 0.4
)
if signal != "HOLD" and confidence > 60:
opportunities.append({
"asset": asset,
"market": market_type,
"signal": signal,
"confidence": round(confidence, 2),
"reasoning": f"预测市场分析:{market_analysis['reasoning'][:200]}。技术面:{technical_analysis.get('summary', '')[:200]}",
"related_prediction": {
"market_id": market_id,
"question": market_analysis.get('question', ''),
"ai_probability": market_analysis['ai_predicted_probability'],
"market_probability": market_analysis['market_probability']
},
"entry_suggestion": technical_analysis.get('entry_suggestion', {})
})
except Exception as e:
logger.debug(f"Failed to analyze asset {asset} for market {market_id}: {e}")
continue
# 保存机会到数据库
if opportunities:
self._save_opportunities_to_db(market_id, opportunities)
return opportunities
except Exception as e:
logger.error(f"Failed to generate asset opportunities for {market_id}: {e}")
return []
def _ai_predict_probability(self, question: str, current_market_prob: float,
related_news: List, asset_data: Dict) -> Dict:
"""使用AI预测事件概率"""
try:
# 构建prompt
news_text = "\n".join([f"- {n.get('title', '')[:100]}" for n in related_news[:5]])
asset_text = ""
if asset_data:
price_data = asset_data.get('price', {})
indicators = asset_data.get('indicators', {})
if price_data:
asset_text = f"""
相关资产数据:
- 当前价格: {price_data.get('current_price', 'N/A')}
- 24h涨跌幅: {price_data.get('change_24h', 0):.2f}%
- RSI: {indicators.get('rsi', {}).get('value', 'N/A')}
- MACD: {indicators.get('macd', {}).get('signal', 'N/A')}
"""
prompt = f"""分析以下预测市场事件,评估其发生的概率:
问题:{question}
当前市场概率:{current_market_prob}%
相关新闻:
{news_text if news_text else "暂无相关新闻"}
{asset_text}
请基于以下维度分析:
1. 历史类似事件的成功率
2. 当前新闻和趋势
3. 相关资产价格走势和技术指标
4. 宏观环境因素(VIX、DXY、利率等)
5. 市场情绪指标
输出JSON格式:
{{
"predicted_probability": 72.5, // 你预测的概率(0-100
"confidence": 75.0, // 置信度(0-100
"reasoning": "详细分析...",
"key_factors": ["因素1", "因素2"],
"risk_factors": ["风险1", "风险2"]
}}"""
# 调用LLM
messages = [
{
"role": "system",
"content": "你是一个专业的市场分析师,擅长分析预测市场事件。请基于提供的数据,客观评估事件发生的概率。"
},
{
"role": "user",
"content": prompt
}
]
result = self.llm_service.call_llm_api(
messages=messages,
use_json_mode=True,
temperature=0.3
)
# 解析结果
if isinstance(result, str):
result = json.loads(result)
# 验证和规范化
predicted_prob = float(result.get('predicted_probability', current_market_prob))
predicted_prob = max(0, min(100, predicted_prob)) # 限制在0-100
confidence = float(result.get('confidence', 70))
confidence = max(0, min(100, confidence))
return {
'predicted_probability': round(predicted_prob, 2),
'confidence': round(confidence, 2),
'reasoning': result.get('reasoning', ''),
'key_factors': result.get('key_factors', []),
'risk_factors': result.get('risk_factors', [])
}
except Exception as e:
logger.error(f"AI prediction failed: {e}", exc_info=True)
# 返回默认值
return {
'predicted_probability': current_market_prob,
'confidence': 50.0,
'reasoning': f'分析失败: {str(e)}',
'key_factors': [],
'risk_factors': []
}
def _calculate_opportunity_score(self, ai_prob: float, market_prob: float,
confidence: float) -> float:
"""
计算机会评分(0-100)
逻辑:
- AI与市场差异越大,机会越好
- 置信度越高,机会越好
"""
divergence = abs(ai_prob - market_prob)
# 差异越大,机会越好(最大40分)
divergence_score = min(divergence * 2, 40)
# 置信度越高,机会越好(最大60分)
confidence_score = confidence * 0.6
return round(divergence_score + confidence_score, 2)
def _generate_recommendation(self, divergence: float, confidence: float) -> str:
"""
生成推荐:YES/NO/HOLD
逻辑:
- AI概率 > 市场概率 + 5% 且置信度 > 60 → YES
- AI概率 < 市场概率 - 5% 且置信度 > 60 → NO
- 其他 → HOLD
"""
if divergence > 5 and confidence > 60:
return "YES"
elif divergence < -5 and confidence > 60:
return "NO"
else:
return "HOLD"
def _assess_risk(self, market: Dict, ai_result: Dict) -> str:
"""评估风险等级"""
confidence = ai_result.get('confidence', 50)
divergence = abs(ai_result.get('predicted_probability', 50) - market.get('current_probability', 50))
if confidence < 50 or divergence > 30:
return "high"
elif confidence < 70 or divergence > 15:
return "medium"
else:
return "low"
def _get_related_news(self, question: str) -> List[Dict]:
"""获取相关问题相关的新闻"""
# 提取关键词
keywords = self._extract_keywords(question)
# 这里可以调用新闻API,暂时返回空列表
# 实际实现时可以调用现有的新闻服务
return []
def _identify_related_assets(self, question: str) -> List[str]:
"""识别问题中提到的相关资产"""
assets = []
# 加密货币关键词映射
crypto_keywords = {
'BTC': ['BTC', 'Bitcoin', 'bitcoin', 'btc'],
'ETH': ['ETH', 'Ethereum', 'ethereum', 'eth'],
'SOL': ['SOL', 'Solana', 'solana', 'sol'],
'BNB': ['BNB', 'Binance', 'binance', 'bnb'],
'XRP': ['XRP', 'Ripple', 'ripple', 'xrp'],
'ADA': ['ADA', 'Cardano', 'cardano', 'ada'],
'DOGE': ['DOGE', 'Dogecoin', 'dogecoin', 'doge'],
'AVAX': ['AVAX', 'Avalanche', 'avalanche', 'avax'],
'DOT': ['DOT', 'Polkadot', 'polkadot', 'dot'],
'MATIC': ['MATIC', 'Polygon', 'polygon', 'matic']
}
question_upper = question.upper()
for symbol, keywords in crypto_keywords.items():
if any(kw in question_upper for kw in keywords):
assets.append(f"{symbol}/USDT")
# 去重
return list(set(assets))
def _get_asset_data(self, assets: List[str]) -> Optional[Dict]:
"""获取资产数据(取第一个资产)"""
if not assets:
return None
try:
asset = assets[0]
market_type = self._infer_market(asset)
return self.data_collector.collect_all(
market=market_type,
symbol=asset,
timeframe="1D"
)
except Exception as e:
logger.debug(f"Failed to get asset data for {assets}: {e}")
return None
def _analyze_technical(self, asset_data: Dict) -> Dict:
"""简单的技术分析"""
if not asset_data:
return {
'trend': 'neutral',
'confidence': 50,
'summary': '数据不足',
'entry_suggestion': {}
}
indicators = asset_data.get('indicators', {})
price_data = asset_data.get('price', {})
# 简单的趋势判断
rsi = indicators.get('rsi', {}).get('value', 50)
macd_signal = indicators.get('macd', {}).get('signal', 'neutral')
trend = 'neutral'
if rsi > 60 and macd_signal == 'bullish':
trend = 'bullish'
elif rsi < 40 and macd_signal == 'bearish':
trend = 'bearish'
confidence = 60 if abs(rsi - 50) > 15 else 50
return {
'trend': trend,
'confidence': confidence,
'summary': f'RSI: {rsi:.1f}, MACD: {macd_signal}',
'entry_suggestion': {}
}
def _infer_market(self, symbol: str) -> str:
"""推断市场类型"""
if '/' in symbol:
return "Crypto"
elif len(symbol) <= 5 and symbol.isupper():
return "USStock"
else:
return "Crypto" # 默认
def _extract_keywords(self, text: str) -> List[str]:
"""提取关键词"""
# 简单的关键词提取
words = re.findall(r'\b[A-Z][a-z]+\b|\b[A-Z]{2,}\b', text)
return [w.lower() for w in words if len(w) > 2]
def _get_cached_analysis(self, market_id: str, user_id: int = None) -> Optional[Dict]:
"""获取缓存的分析结果"""
try:
with get_db_connection() as db:
cur = db.cursor()
query = """
SELECT ai_predicted_probability, market_probability, divergence,
recommendation, confidence_score, opportunity_score,
reasoning, key_factors, related_assets, created_at
FROM qd_polymarket_ai_analysis
WHERE market_id = %s
"""
params = [market_id]
if user_id:
query += " AND user_id = %s"
params.append(user_id)
else:
query += " AND user_id IS NULL"
query += " ORDER BY created_at DESC LIMIT 1"
cur.execute(query, params)
row = cur.fetchone()
cur.close()
if row:
# RealDictCursor返回字典,使用键访问
key_factors_raw = row.get('key_factors')
key_factors = []
if key_factors_raw:
try:
if isinstance(key_factors_raw, str):
key_factors = json.loads(key_factors_raw)
else:
key_factors = key_factors_raw if isinstance(key_factors_raw, list) else []
except:
key_factors = []
return {
"market_id": market_id,
"ai_predicted_probability": float(row.get('ai_predicted_probability') or 0),
"market_probability": float(row.get('market_probability') or 0),
"divergence": float(row.get('divergence') or 0),
"recommendation": row.get('recommendation') or 'HOLD',
"confidence_score": float(row.get('confidence_score') or 0),
"opportunity_score": float(row.get('opportunity_score') or 0),
"reasoning": row.get('reasoning') or '',
"key_factors": key_factors,
"related_assets": row.get('related_assets') if row.get('related_assets') else [],
"created_at": row.get('created_at')
}
except Exception as e:
logger.debug(f"Failed to get cached analysis: {e}")
return None
def _is_analysis_fresh(self, analysis: Dict, max_age_minutes: int = 30) -> bool:
"""检查分析结果是否新鲜"""
created_at = analysis.get('created_at')
if not created_at:
return False
if isinstance(created_at, str):
created_at = datetime.fromisoformat(created_at.replace('Z', '+00:00'))
age = (datetime.now() - created_at.replace(tzinfo=None)).total_seconds() / 60
return age < max_age_minutes
def _save_analysis_to_db(self, analysis: Dict, user_id: int = None):
"""保存分析结果到数据库"""
try:
with get_db_connection() as db:
cur = db.cursor()
cur.execute("""
INSERT INTO qd_polymarket_ai_analysis
(market_id, user_id, ai_predicted_probability, market_probability,
divergence, recommendation, confidence_score, opportunity_score,
reasoning, key_factors, related_assets, created_at)
VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, NOW())
""", (
analysis['market_id'],
user_id,
analysis['ai_predicted_probability'],
analysis['market_probability'],
analysis['divergence'],
analysis['recommendation'],
analysis['confidence_score'],
analysis['opportunity_score'],
analysis['reasoning'],
json.dumps(analysis.get('key_factors', [])),
analysis.get('related_assets', [])
))
db.commit()
cur.close()
except Exception as e:
logger.error(f"Failed to save analysis to DB: {e}")
def _save_opportunities_to_db(self, market_id: str, opportunities: List[Dict]):
"""保存交易机会到数据库"""
try:
with get_db_connection() as db:
cur = db.cursor()
for opp in opportunities:
cur.execute("""
INSERT INTO qd_polymarket_asset_opportunities
(market_id, asset_symbol, asset_market, signal, confidence,
reasoning, entry_suggestion, created_at)
VALUES (%s, %s, %s, %s, %s, %s, %s, NOW())
""", (
market_id,
opp['asset'],
opp['market'],
opp['signal'],
opp['confidence'],
opp['reasoning'],
json.dumps(opp.get('entry_suggestion', {}))
))
db.commit()
cur.close()
except Exception as e:
logger.error(f"Failed to save opportunities to DB: {e}")