pub async fn save_order(
order: SmallOrder,
trade_keys: &Keys,
request_id: u64,
trade_index: Option<i64>,
pool: &SqlitePool,
) -> Result<()>pub async fn save_order(
order: SmallOrder,
trade_keys: &Keys,
request_id: u64,
trade_index: Option<i64>,
pool: &SqlitePool,
) -> Result<()>