#[repr(C)]
pub struct Offer {
    /// Order size in SY, PT, or YT (deposited amount)
    pub amount: u64,

    /// Expiry time as Unix timestamp
    pub expiry_at: u32,

    /// Created at Unix timestamp
    pub created_at: u32,

    /// Virtual offer flag (true if this is a PT order)
    pub virtual_offer: u8,

    /// Offer type flag (SellYt or BuyYt)
    pub offer_type_flag: u8,

    /// Fill or kill flag
    /// If true, the order must be filled completely or cancelled
    pub fill_or_kill: u8,

    /// Reserved padding for alignment
    pub _reserved: [u8; 5],
}

#[repr(u8)]
pub enum OfferType {
    SellYt = 1,
    BuyYt = 2,
}