usesteel::*;#[repr(C)]#[derive(Clone, Copy, Debug, PartialEq, Pod, Zeroable)]pubstructUnstakeEvent{/// the authority of the share account
pubauthority: Pubkey,
/// the share account
pubshare: Pubkey,
/// the mint (target of the staking)
pubmint: Pubkey,
/// latest balance
pubbalance:u64,
}event!(UnstakeEvent);