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Consensus: fix history sync while processing received BatchSetInfo #3231

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Jan 10, 2025
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Consensus: fix history sync while processing received BatchSetInfo #3231

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12 changes: 9 additions & 3 deletions consensus/src/sync/history/cluster.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -366,9 +366,15 @@ impl<TNetwork: Network + 'static> SyncCluster<TNetwork> {
let current_epoch_number = blockchain.epoch_number();
let num_known_txs = if epoch_number == current_epoch_number {
let last_macro_block = Policy::last_macro_block(current_block_number);
blockchain
.history_store
.num_epoch_transactions_before(last_macro_block, None) as u64
// Check if the last_macro_block crosses an epoch boundary. This could happen if locally the node is in the first batch of an epoch.
// In this case, the number of known transactions must be 0 to avoid fetching the number of epoch transactions from the previous epoch.
if Policy::is_election_block_at(last_macro_block) {
0
} else {
blockchain
.history_store
.num_epoch_transactions_before(last_macro_block, None) as u64
}
} else {
0
};
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