获取所有合约详情

curl https://cloud-api.wooxpro.com/contract/public/details?symbol=BTCUSDT

{
  "code": 1000,
  "message": "Ok",
  "trace": "9b92a999-9463-4c96-91a4-93ad1cad0d72",
  "data": {
    "symbols": [
      {
        "symbol": "BTCUSDT",
        "product_type": 1,
        "open_timestamp": 1594080000000,
        "expire_timestamp": 0,
        "settle_timestamp": 0,
        "base_currency": "BTC",
        "quote_currency": "USDT",
        "last_price": "23920",
        "volume_24h": "18969368",
        "turnover_24h": "458933659.7858",
        "index_price": "23945.25191635",
        "index_name": "BTCUSDT",
        "contract_size": "0.001",
        "min_leverage": "1",
        "max_leverage": "100",
        "price_precision": "0.1",
        "vol_precision": "1",
        "max_volume": "500000",
        "market_max_volume": "500000",
        "min_volume": "1",
        "funding_rate": "0.0001",
        "expected_funding_rate": "0.00011",
        "open_interest": "4134180870",
        "open_interest_value": "94100888927.0433258",
        "high_24h": "23900",
        "low_24h": "23100",
        "change_24h": "0.004",
        "funding_interval_hours": 8,
        "status": "Delisted",
        "delist_time": 1745830379
      },
      ...
    ]
  }
}