use polyester::types::{Quantity, QuantityDomain};
fn main() {
let mut quantity =
Quantity::from_scaled(5, Some(8), QuantityDomain::OrderBase, None, None).unwrap();
quantity.scale = Some(6);
quantity.domain = QuantityDomain::Asset;
quantity.symbol = Some("ETH-USDT".into());
quantity.symbol_id = Some(9);
}