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Babe: bad epoch index with skipped epochs and warp sync (#13135)

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* Detect and correct epoch-index for skipped epochs

* Code refactory

* Epoch index should be also be fixed for secondary claims with VRF

* Fix typo

* Make clippy happy

* Fix typo

* Trigger pipeline
This commit is contained in:
Davide Galassi
2023-01-25 12:57:59 +01:00
committed by GitHub
parent fcc1994977
commit e66c53089d
4 changed files with 188 additions and 68 deletions
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substrate/client/consensus/babe/src/authorship.rs
+16 -5
View File
@@ -20,6 +20,7 @@
use super::Epoch;
use codec::Encode;
use sc_consensus_epochs::Epoch as EpochT;
use schnorrkel::{keys::PublicKey, vrf::VRFInOut};
use sp_application_crypto::AppKey;
use sp_consensus_babe::{
@@ -135,18 +136,23 @@ fn claim_secondary_slot(
keystore: &SyncCryptoStorePtr,
author_secondary_vrf: bool,
) -> Option<(PreDigest, AuthorityId)> {
let Epoch { authorities, randomness, epoch_index, .. } = epoch;
let Epoch { authorities, randomness, mut epoch_index, .. } = epoch;
if authorities.is_empty() {
return None
}
if epoch.end_slot() <= slot {
// Slot doesn't strictly belong to the epoch, create a clone with fixed values.
epoch_index = epoch.clone_for_slot(slot).epoch_index;
}
let expected_author = secondary_slot_author(slot, authorities, *randomness)?;
for (authority_id, authority_index) in keys {
if authority_id == expected_author {
let pre_digest = if author_secondary_vrf {
let transcript_data = make_transcript_data(randomness, slot, *epoch_index);
let transcript_data = make_transcript_data(randomness, slot, epoch_index);
let result = SyncCryptoStore::sr25519_vrf_sign(
&**keystore,
AuthorityId::ID,
@@ -238,11 +244,16 @@ fn claim_primary_slot(
keystore: &SyncCryptoStorePtr,
keys: &[(AuthorityId, usize)],
) -> Option<(PreDigest, AuthorityId)> {
let Epoch { authorities, randomness, epoch_index, .. } = epoch;
let Epoch { authorities, randomness, mut epoch_index, .. } = epoch;
if epoch.end_slot() <= slot {
// Slot doesn't strictly belong to the epoch, create a clone with fixed values.
epoch_index = epoch.clone_for_slot(slot).epoch_index;
}
for (authority_id, authority_index) in keys {
let transcript = make_transcript(randomness, slot, *epoch_index);
let transcript_data = make_transcript_data(randomness, slot, *epoch_index);
let transcript = make_transcript(randomness, slot, epoch_index);
let transcript_data = make_transcript_data(randomness, slot, epoch_index);
let result = SyncCryptoStore::sr25519_vrf_sign(
&**keystore,
AuthorityId::ID,