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feat(state-sync): drop old state parts at the end of epoch #12200

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feat(state-sync): drop old state parts at the end of epoch #12200

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9 changes: 9 additions & 0 deletions chain/chain/src/chain.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1797,6 +1797,15 @@ impl Chain {
};
let (apply_chunk_work, block_preprocess_info) = preprocess_res;

// Delete state sync files if needed.
if self.epoch_manager.is_next_block_epoch_start(block.header().prev_hash())? {
// This is the end of the epoch. Next epoch we will generate new state parts. We can drop the old ones.
let mut store_update = self.chain_store.store().store_update();
store_update.delete_all(DBCol::StateParts);
store_update.delete_all(DBCol::StateHeaders);
store_update.commit()?;
}

// 2) Start creating snapshot if needed.
if let Err(err) = self.process_snapshot() {
tracing::error!(target: "state_snapshot", ?err, "Failed to make a state snapshot");
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