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use serde::{Deserialize, Serialize}; use std::collections::HashMap; /// GET /v2/price_feeds 接口返回的单个 price feed 信息 #[derive(Debug, Serialize, Deserialize)] pub struct PriceFeed { /// Feed ID pub id: String, /// Feed 的自定义属性 #[serde(default)] pub attributes: Option<HashMap<String, String>>, }