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Add a cache for public keys to BeaconState

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This allows for a fast lookup of "is this public key already in the
validator registry".
This commit is contained in:
Paul Hauner
2019-03-13 16:40:28 +11:00
parent bfa2e71b46
commit 6cd3c4bd1a
8 changed files with 109 additions and 13 deletions
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7
eth2/state_processing/src/per_block_processing/verify_deposit.rs
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@@ -72,11 +72,12 @@ pub fn build_public_key_hashmap(state: &BeaconState) -> PublicKeyValidatorIndexH
pub fn get_existing_validator_index(
state: &BeaconState,
deposit: &Deposit,
pubkey_map: &HashMap<PublicKey, u64>,
) -> Result<Option<u64>, Error> {
let deposit_input = &deposit.deposit_data.deposit_input;
let validator_index = pubkey_map.get(&deposit_input.pubkey).and_then(|i| Some(*i));
let validator_index = state
.get_validator_index(&deposit_input.pubkey)?
.and_then(|i| Some(i));
match validator_index {
None => Ok(None),
@@ -86,7 +87,7 @@ pub fn get_existing_validator_index(
== state.validator_registry[index as usize].withdrawal_credentials,
Invalid::BadWithdrawalCredentials
);
Ok(Some(index))
Ok(Some(index as u64))
}
}
}