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Add v0.8 genesis tests (#466)

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Closes #452
This commit is contained in:
Michael Sproul
2019-07-30 17:02:38 +10:00
committed by GitHub
parent a236003a7b
commit eb669ab40f
10 changed files with 200 additions and 47 deletions
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16
eth2/state_processing/src/genesis.rs
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@@ -1,4 +1,4 @@
use super::per_block_processing::{errors::BlockProcessingError, process_deposits};
use super::per_block_processing::{errors::BlockProcessingError, process_deposit};
use crate::common::get_compact_committees_root;
use tree_hash::TreeHash;
use types::typenum::U4294967296;
@@ -32,7 +32,7 @@ pub fn initialize_beacon_state_from_eth1<T: EthSpec>(
for (index, deposit) in deposits.into_iter().enumerate() {
let deposit_data_list = VariableList::<_, U4294967296>::from(leaves[..=index].to_vec());
state.eth1_data.deposit_root = Hash256::from_slice(&deposit_data_list.tree_hash_root());
process_deposits(&mut state, &[deposit], spec)?;
process_deposit(&mut state, &deposit, spec, true)?;
}
// Process activations
@@ -48,6 +48,9 @@ pub fn initialize_beacon_state_from_eth1<T: EthSpec>(
}
}
// Now that we have our validators, initialize the caches (including the committees)
state.build_all_caches(spec)?;
// Populate active_index_roots and compact_committees_roots
let indices_list = VariableList::<usize, T::ValidatorRegistryLimit>::from(
state.get_active_validator_indices(T::genesis_epoch()),
@@ -59,3 +62,12 @@ pub fn initialize_beacon_state_from_eth1<T: EthSpec>(
Ok(state)
}
/// Determine whether a candidate genesis state is suitable for starting the chain.
///
/// Spec v0.8.1
pub fn is_valid_genesis_state<T: EthSpec>(state: &BeaconState<T>, spec: &ChainSpec) -> bool {
state.genesis_time >= spec.min_genesis_time
&& state.get_active_validator_indices(T::genesis_epoch()).len() as u64
>= spec.min_genesis_active_validator_count
}