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from __future__ import annotations
import requests
# Minimal map from common names/symbols → CoinGecko IDs
COIN_MAP = {
"btc": "bitcoin", "bitcoin": "bitcoin",
"eth": "ethereum", "ethereum": "ethereum",
"sol": "solana", "solana": "solana",
"xrp": "ripple", "ripple": "ripple",
}
def resolve_coin_id(text_or_symbol: str, default: str = "bitcoin") -> str:
t = (text_or_symbol or "").lower().strip()
# try exact-in-text matches first (longest keys first)
for key in sorted(COIN_MAP.keys(), key=len, reverse=True):
if key in t.split() or key in t:
return COIN_MAP[key]
return default
def get_price(coin_id: str = "bitcoin", vs: str = "usd"):
url = f"https://api.coingecko.com/api/v3/simple/price?ids={coin_id}&vs_currencies={vs}"
r = requests.get(url, timeout=10)
r.raise_for_status()
data = r.json()
return data.get(coin_id, {}).get(vs)
def get_price_any(coin_or_query: str, vs: str = "usd"):
coin_id = resolve_coin_id(coin_or_query)
return coin_id, get_price(coin_id, vs)
def get_price_multi(coin_ids: list[str], vs: str = "usd") -> dict:
# Efficient batch call (one request) e.g. ["bitcoin","ethereum","solana","ripple"]
unique = ",".join(sorted(set(coin_ids)))
url = f"https://api.coingecko.com/api/v3/simple/price?ids={unique}&vs_currencies={vs}"
r = requests.get(url, timeout=10)
r.raise_for_status()
return r.json()
def get_fear_greed():
url = "https://api.alternative.me/fng/"
r = requests.get(url, timeout=10)
r.raise_for_status()
data = r.json()
if data.get("data"):
return data["data"][0]
return None
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