getMarkets

>>> import os
>>> os.environ["API_SERVER_URL"] = "http://localhost:8080"
>>> markets = await getMarkets()
>>> print(len(markets.get("markets", [])))
3

async def getMarkets() -> Optional[Dict[str, Any]]:
    base_url = os.getenv('API_SERVER_URL')
    if not base_url:
        raise ValueError('API_SERVER_URL environment variable not set')
    async with httpx.AsyncClient() as session:
        client = PerpetualsClient(base_url=base_url, session=session)
        try:
            markets = await client.get_markets()
            if markets is not None:
                markets_list = [MessageToDict(market, always_print_fields_with_no_presence=True) for market in markets]
                return {'markets': markets_list}
            return None
        except Exception as e:
            print(f'Error getting markets: {e}')
            print('\nTroubleshooting:')
            print('  - Is the server running?')
            print('  - Are there markets configured in the database?')
            return None