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Create app/price_fetcher.py
Browse files- app/price_fetcher.py +27 -0
app/price_fetcher.py
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"""
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Background price cache using public CoinGecko
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(If you have Gemini keys, swap endpoints & add auth)
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"""
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import httpx, logging, os
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COINGECKO_URL = (
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"https://api.coingecko.com/api/v3/simple/price"
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"?ids=bitcoin,ethereum,dogecoin&vs_currencies=usd"
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)
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CURRENT_PRICES = {"bitcoin": "ββ", "ethereum": "ββ", "dogecoin": "ββ"}
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def fetch_prices() -> None:
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global CURRENT_PRICES
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try:
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resp = httpx.get(COINGECKO_URL, timeout=5)
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resp.raise_for_status()
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data = resp.json()
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CURRENT_PRICES = {
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"bitcoin": data["bitcoin"]["usd"],
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"ethereum": data["ethereum"]["usd"],
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"dogecoin": data["dogecoin"]["usd"],
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}
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logging.info("β prices updated")
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except Exception as e:
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logging.warning(f"Price fetch failed: {e}")
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