pub async fn query_crypto_max_buy_sell_qty(
backend: &BackendConn,
ctx: &CryptoAccountContext,
input: CryptoMaxBuySellQtyRequest,
) -> Result<CryptoMaxBuySellQtyInfo>pub async fn query_crypto_max_buy_sell_qty(
backend: &BackendConn,
ctx: &CryptoAccountContext,
input: CryptoMaxBuySellQtyRequest,
) -> Result<CryptoMaxBuySellQtyInfo>