#[test]
fn test_calculate_weight() {
    // 1 day lockup = 1x multiplier
    let weight = calculate_weight(&coin(100, "uwhale"), 86400u64).unwrap();
    assert_eq!(weight, Uint128::new(100));

    // 1 year lockup = ~16x multiplier
    let weight = calculate_weight(&coin(100, "uwhale"), 31556926).unwrap();
    assert_eq!(weight, Uint128::new(1599));
}
emergency_penalty = base_penalty * (remaining_duration / total_duration) * (position_weight / base_weight)
