rust-okx 0.4.1

Async Rust client for the OKX v5 REST API
Documentation 
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use serde::Serialize;

/// Empty query/body object for endpoints without parameters.
#[derive(Debug, Clone, Copy, Default, Serialize)]
pub(super) struct NoParams {}

/// Optional currency filter shared by several Finance endpoints.
#[derive(Debug, Clone, Copy, Serialize)]
pub(super) struct OptionalCurrency<'a> {
    #[serde(skip_serializing_if = "Option::is_none")]
    pub(super) ccy: Option<&'a str>,
}

pub(super) fn optional_ccy(ccy: Option<&str>) -> OptionalCurrency<'_> {
    OptionalCurrency { ccy }
}

/// Amount-only request body used by ETH/SOL staking purchase and redemption.
#[derive(Debug, Clone, Copy, Serialize)]
pub(super) struct AmountBody<'a> {
    pub(super) amt: &'a str,
}

/// Cancel redeem ETH request body used by only ETH
#[derive(Debug, Clone, Copy, Serialize)]
#[serde(rename_all = "camelCase")]
pub(super) struct CancelRedeemBody<'a> {
    pub(super) ord_id: &'a str,
}

/// APY-history query.
#[derive(Debug, Clone, Copy, Serialize)]
pub(super) struct DaysQuery<'a> {
    pub(super) days: &'a str,
}

/// Savings lending-rate request body.
#[derive(Debug, Clone, Copy, Serialize)]
pub(super) struct SetLendingRateBody<'a> {
    pub(super) ccy: &'a str,
    pub(super) rate: &'a str,
}