pub use crate::slot_hashes::SlotHashes;
use crate::sysvar::Sysvar;
crate::declare_sysvar_id!("SysvarS1otHashes111111111111111111111111111", SlotHashes);
impl Sysvar for SlotHashes {
fn size_of() -> usize {
20_488 }
}
#[cfg(test)]
mod tests {
use super::*;
use crate::{clock::Slot, hash::Hash, slot_hashes::MAX_ENTRIES};
#[test]
fn test_size_of() {
assert_eq!(
SlotHashes::size_of(),
bincode::serialized_size(
&(0..MAX_ENTRIES)
.map(|slot| (slot as Slot, Hash::default()))
.collect::<SlotHashes>()
)
.unwrap() as usize
);
}
#[test]
fn test_create_account() {
let lamports = 42;
let account = SlotHashes::new(&[]).create_account(lamports);
assert_eq!(account.data.len(), SlotHashes::size_of());
let slot_hashes = SlotHashes::from_account(&account);
assert_eq!(slot_hashes, Some(SlotHashes::default()));
}
}