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#!/usr/bin/env python3
"""
CryptoCompare API Client - Comprehensive crypto data with API key authentication
Official API: https://min-api.cryptocompare.com/
"""
import httpx
import logging
import os
from typing import Dict, Any, List, Optional
from datetime import datetime
logger = logging.getLogger(__name__)
# CryptoCompare API Key from .env.example
CRYPTOCOMPARE_API_KEY = os.getenv("CRYPTOCOMPARE_KEY", "e79c8e6d4c5b4a3f2e1d0c9b8a7f6e5d4c3b2a1f")
class CryptoCompareClient:
"""
CryptoCompare API Client - Market data, news, social stats, and more
"""
def __init__(self, api_key: str = CRYPTOCOMPARE_API_KEY):
self.base_url = "https://min-api.cryptocompare.com/data"
self.api_key = api_key
self.timeout = 15.0
def _get_headers(self) -> Dict[str, str]:
"""Get request headers with API key"""
headers = {
"Content-Type": "application/json"
}
if self.api_key:
headers["authorization"] = f"Apikey {self.api_key}"
return headers
async def get_price(self, symbols: List[str], currency: str = "USD") -> Dict[str, Any]:
"""
Get current prices for multiple symbols
Args:
symbols: List of cryptocurrency symbols (e.g., ["BTC", "ETH"])
currency: Target currency (default: USD)
Returns:
Price data from CryptoCompare
"""
try:
async with httpx.AsyncClient(timeout=self.timeout) as client:
fsyms = ",".join([s.upper() for s in symbols])
response = await client.get(
f"{self.base_url}/pricemultifull",
params={
"fsyms": fsyms,
"tsyms": currency
},
headers=self._get_headers()
)
response.raise_for_status()
data = response.json()
result = {
"data": data.get("RAW", {}),
"display": data.get("DISPLAY", {}),
"source": "CryptoCompare",
"timestamp": datetime.utcnow().isoformat()
}
logger.info(f"✅ CryptoCompare: Fetched prices for {len(symbols)} symbols")
return result
except httpx.HTTPStatusError as e:
logger.error(f"❌ CryptoCompare API HTTP error: {e.response.status_code}")
raise
except Exception as e:
logger.error(f"❌ CryptoCompare API failed: {e}")
raise
async def get_ohlcv(
self,
symbol: str,
currency: str = "USD",
limit: int = 100,
aggregate: int = 1
) -> Dict[str, Any]:
"""
Get OHLCV (candlestick) data
Args:
symbol: Cryptocurrency symbol (e.g., "BTC")
currency: Target currency (default: USD)
limit: Number of data points (max 2000)
aggregate: Data aggregation (e.g., 1 = 1 hour, 24 = 1 day)
Returns:
OHLCV data
"""
try:
async with httpx.AsyncClient(timeout=self.timeout) as client:
response = await client.get(
f"{self.base_url}/v2/histohour",
params={
"fsym": symbol.upper(),
"tsym": currency.upper(),
"limit": limit,
"aggregate": aggregate
},
headers=self._get_headers()
)
response.raise_for_status()
data = response.json()
if data.get("Response") == "Success":
logger.info(f"✅ CryptoCompare: Fetched OHLCV for {symbol}")
return {
"symbol": symbol.upper(),
"data": data.get("Data", {}).get("Data", []),
"source": "CryptoCompare",
"timestamp": datetime.utcnow().isoformat()
}
else:
raise Exception(f"CryptoCompare API error: {data.get('Message', 'Unknown error')}")
except httpx.HTTPStatusError as e:
logger.error(f"❌ CryptoCompare OHLCV HTTP error: {e.response.status_code}")
raise
except Exception as e:
logger.error(f"❌ CryptoCompare OHLCV failed: {e}")
raise
async def get_news(self, limit: int = 50) -> Dict[str, Any]:
"""
Get latest crypto news from CryptoCompare
Args:
limit: Number of news articles (max 200)
Returns:
News articles
"""
try:
async with httpx.AsyncClient(timeout=self.timeout) as client:
response = await client.get(
f"{self.base_url}/v2/news/",
params={
"lang": "EN",
"limit": limit
},
headers=self._get_headers()
)
response.raise_for_status()
data = response.json()
if data.get("Type") == 100: # Success
articles = data.get("Data", [])
logger.info(f"✅ CryptoCompare: Fetched {len(articles)} news articles")
return {
"articles": articles,
"count": len(articles),
"source": "CryptoCompare",
"timestamp": datetime.utcnow().isoformat()
}
else:
raise Exception(f"CryptoCompare news error: {data.get('Message', 'Unknown error')}")
except httpx.HTTPStatusError as e:
logger.error(f"❌ CryptoCompare news HTTP error: {e.response.status_code}")
raise
except Exception as e:
logger.error(f"❌ CryptoCompare news failed: {e}")
raise
async def get_social_stats(self, coin_id: int) -> Dict[str, Any]:
"""
Get social statistics for a cryptocurrency
Args:
coin_id: CryptoCompare coin ID
Returns:
Social stats (Twitter, Reddit, etc.)
"""
try:
async with httpx.AsyncClient(timeout=self.timeout) as client:
response = await client.get(
f"{self.base_url}/social/coin/latest",
params={"coinId": coin_id},
headers=self._get_headers()
)
response.raise_for_status()
data = response.json()
if data.get("Response") == "Success":
logger.info(f"✅ CryptoCompare: Fetched social stats for coin {coin_id}")
return {
"data": data.get("Data", {}),
"source": "CryptoCompare",
"timestamp": datetime.utcnow().isoformat()
}
else:
raise Exception(f"CryptoCompare social stats error: {data.get('Message', 'Unknown error')}")
except httpx.HTTPStatusError as e:
logger.error(f"❌ CryptoCompare social stats HTTP error: {e.response.status_code}")
raise
except Exception as e:
logger.error(f"❌ CryptoCompare social stats failed: {e}")
raise
async def get_top_exchanges_by_volume(self, symbol: str, currency: str = "USD", limit: int = 10) -> Dict[str, Any]:
"""
Get top exchanges by trading volume for a symbol
Args:
symbol: Cryptocurrency symbol
currency: Target currency
limit: Number of exchanges to return
Returns:
Top exchanges data
"""
try:
async with httpx.AsyncClient(timeout=self.timeout) as client:
response = await client.get(
f"{self.base_url}/top/exchanges/full",
params={
"fsym": symbol.upper(),
"tsym": currency.upper(),
"limit": limit
},
headers=self._get_headers()
)
response.raise_for_status()
data = response.json()
if data.get("Response") == "Success":
exchanges = data.get("Data", {}).get("Exchanges", [])
logger.info(f"✅ CryptoCompare: Fetched top {len(exchanges)} exchanges for {symbol}")
return {
"exchanges": exchanges,
"symbol": symbol.upper(),
"source": "CryptoCompare",
"timestamp": datetime.utcnow().isoformat()
}
else:
raise Exception(f"CryptoCompare exchanges error: {data.get('Message', 'Unknown error')}")
except httpx.HTTPStatusError as e:
logger.error(f"❌ CryptoCompare exchanges HTTP error: {e.response.status_code}")
raise
except Exception as e:
logger.error(f"❌ CryptoCompare exchanges failed: {e}")
raise
# Global instance
cryptocompare_client = CryptoCompareClient()
# Standalone functions for compatibility
async def fetch_cryptocompare_price(symbols: List[str]) -> Dict[str, Any]:
"""Get prices from CryptoCompare"""
return await cryptocompare_client.get_price(symbols)
async def fetch_cryptocompare_news(limit: int = 50) -> Dict[str, Any]:
"""Get news from CryptoCompare"""
return await cryptocompare_client.get_news(limit)
async def fetch_cryptocompare_ohlcv(symbol: str, limit: int = 100) -> Dict[str, Any]:
"""Get OHLCV data from CryptoCompare"""
return await cryptocompare_client.get_ohlcv(symbol, limit=limit)
__all__ = [
"CryptoCompareClient",
"cryptocompare_client",
"fetch_cryptocompare_price",
"fetch_cryptocompare_news",
"fetch_cryptocompare_ohlcv"
]
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