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Split BeaconState::genesis into two functions

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This allows us to build a genesis state without inducting all the
validators. This will be a signigicant speed up for tests as we can
avoid generating keypairs and checking proof-of-possessions.
This commit is contained in:
Paul Hauner 2019-02-26 20:16:14 +13:00
parent d140563545
commit f82c4268e2
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GPG Key ID: 303E4494BB28068C
1 changed files with 16 additions and 5 deletions
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21
eth2/types/src/beacon_state.rs
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@ -117,19 +117,18 @@ pub struct BeaconState {
impl BeaconState { impl BeaconState {
/// Produce the first state of the Beacon Chain. /// Produce the first state of the Beacon Chain.
pub fn genesis( pub fn genesis_without_validators(
genesis_time: u64, genesis_time: u64,
initial_validator_deposits: Vec<Deposit>,
latest_eth1_data: Eth1Data, latest_eth1_data: Eth1Data,
spec: &ChainSpec, spec: &ChainSpec,
) -> Result<BeaconState, Error> { ) -> Result<BeaconState, Error> {
debug!("Creating genesis state."); debug!("Creating genesis state (without validator processing).");
let initial_crosslink = Crosslink { let initial_crosslink = Crosslink {
epoch: spec.genesis_epoch, epoch: spec.genesis_epoch,
shard_block_root: spec.zero_hash, shard_block_root: spec.zero_hash,
}; };
let mut genesis_state = BeaconState { Ok(BeaconState {
/* /*
* Misc * Misc
*/ */
@ -188,7 +187,19 @@ impl BeaconState {
*/ */
cache_index_offset: 0, cache_index_offset: 0,
caches: vec![EpochCache::empty(); CACHED_EPOCHS], caches: vec![EpochCache::empty(); CACHED_EPOCHS],
}; })
}
/// Produce the first state of the Beacon Chain.
pub fn genesis(
genesis_time: u64,
initial_validator_deposits: Vec<Deposit>,
latest_eth1_data: Eth1Data,
spec: &ChainSpec,
) -> Result<BeaconState, Error> {
let mut genesis_state =
BeaconState::genesis_without_validators(genesis_time, latest_eth1_data, spec)?;
trace!("Processing genesis deposits...");
let deposit_data = initial_validator_deposits let deposit_data = initial_validator_deposits
.iter() .iter()