bde07f676f
New features: - !crypto <SYMBOL> command to query cryptocurrency prices - CoinGeckoAPI integration (free, no API key required) - Support for 20+ popular cryptocurrencies (BTC, ETH, DOGE, etc.) - 24-hour price change and volume data - Colored embeds matching price movement - Alias: !c for quick crypto queries Uses CoinGecko's free /simple/price endpoint with 30 calls/min rate limit. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
114 lines
3.5 KiB
Python
114 lines
3.5 KiB
Python
import requests
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import logging
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from typing import Optional, Dict, Any
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logger = logging.getLogger(__name__)
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class CoinGeckoAPI:
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"""CoinGecko implementation for cryptocurrency price data."""
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BASE_URL = "https://api.coingecko.com/api/v3"
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# Common crypto symbol to CoinGecko ID mapping
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SYMBOL_MAP = {
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'BTC': 'bitcoin',
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'ETH': 'ethereum',
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'USDT': 'tether',
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'BNB': 'binancecoin',
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'SOL': 'solana',
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'XRP': 'ripple',
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'USDC': 'usd-coin',
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'ADA': 'cardano',
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'DOGE': 'dogecoin',
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'TRX': 'tron',
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'DOT': 'polkadot',
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'MATIC': 'matic-network',
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'LTC': 'litecoin',
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'SHIB': 'shiba-inu',
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'AVAX': 'avalanche-2',
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'LINK': 'chainlink',
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'UNI': 'uniswap',
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'XLM': 'stellar',
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'ATOM': 'cosmos',
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'XMR': 'monero'
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}
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def get_crypto_price(self, symbol: str) -> Optional[Dict[str, Any]]:
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"""
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Retrieve cryptocurrency price data from CoinGecko.
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Args:
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symbol: Crypto symbol (e.g., BTC, ETH, DOGE)
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Returns:
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Dictionary with crypto data or None if unavailable
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"""
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try:
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# Convert symbol to CoinGecko ID
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symbol = symbol.upper()
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coin_id = self.SYMBOL_MAP.get(symbol, symbol.lower())
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# Fetch price data
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url = f"{self.BASE_URL}/simple/price"
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params = {
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'ids': coin_id,
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'vs_currencies': 'usd',
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'include_24hr_change': 'true',
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'include_24hr_vol': 'true',
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'include_last_updated_at': 'true'
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}
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response = requests.get(url, params=params, timeout=10)
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response.raise_for_status()
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data = response.json()
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if coin_id not in data:
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logger.warning(f"No data available for crypto: {symbol}")
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return None
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crypto_data = data[coin_id]
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current_price = crypto_data.get('usd', 0)
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change_percent = crypto_data.get('usd_24h_change', 0)
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if current_price == 0:
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logger.warning(f"Invalid price data for crypto: {symbol}")
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return None
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# Calculate previous price from 24h change
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change_decimal = change_percent / 100
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previous_price = current_price / (1 + change_decimal)
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change_dollar = current_price - previous_price
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return {
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'symbol': symbol,
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'coin_id': coin_id,
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'current_price': round(current_price, 2),
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'previous_price': round(previous_price, 2),
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'change_dollar': round(change_dollar, 2),
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'change_percent': round(change_percent, 2),
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'volume_24h': crypto_data.get('usd_24h_vol', 0)
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}
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except requests.exceptions.RequestException as e:
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logger.error(f"Error fetching data for {symbol}: {e}")
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return None
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except Exception as e:
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logger.error(f"Unexpected error fetching data for {symbol}: {e}")
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return None
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def is_available(self) -> bool:
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"""
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Check if CoinGecko API is accessible.
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Returns:
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True if accessible, False otherwise
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"""
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try:
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url = f"{self.BASE_URL}/ping"
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response = requests.get(url, timeout=5)
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return response.status_code == 200
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except Exception as e:
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logger.error(f"CoinGecko API unavailable: {e}")
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return False
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