lighthouse/beacon_node/beacon_chain/src/checkpoint.rs
2019-05-27 17:58:15 +10:00

45 lines
1.3 KiB
Rust

use serde_derive::Serialize;
use ssz_derive::{Decode, Encode};
use types::{BeaconBlock, BeaconState, EthSpec, Hash256};
/// Represents some block and it's associated state. Generally, this will be used for tracking the
/// head, justified head and finalized head.
#[derive(Clone, Serialize, PartialEq, Debug, Encode, Decode)]
pub struct CheckPoint<E: EthSpec> {
pub beacon_block: BeaconBlock,
pub beacon_block_root: Hash256,
pub beacon_state: BeaconState<E>,
pub beacon_state_root: Hash256,
}
impl<E: EthSpec> CheckPoint<E> {
/// Create a new checkpoint.
pub fn new(
beacon_block: BeaconBlock,
beacon_block_root: Hash256,
beacon_state: BeaconState<E>,
beacon_state_root: Hash256,
) -> Self {
Self {
beacon_block,
beacon_block_root,
beacon_state,
beacon_state_root,
}
}
/// Update all fields of the checkpoint.
pub fn update(
&mut self,
beacon_block: BeaconBlock,
beacon_block_root: Hash256,
beacon_state: BeaconState<E>,
beacon_state_root: Hash256,
) {
self.beacon_block = beacon_block;
self.beacon_block_root = beacon_block_root;
self.beacon_state = beacon_state;
self.beacon_state_root = beacon_state_root;
}
}