useserde::{Deserialize, Serialize};usesteel::*;usesuper::OreAccount;/// Account which has the mint authority for the ORE token.
#[repr(C)]#[derive(Clone, Copy, Debug, PartialEq, Pod, Zeroable, Serialize, Deserialize)]pubstructAuthority{/// The slot of the last mint.
publast_mint_at:u64,
}account!(OreAccount, Authority);