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fix: header downloading get stuck #4459

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merged 2 commits into from
Jul 1, 2024
Merged

fix: header downloading get stuck #4459

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0251f77
fix: header downloading get stuck
hanabi1224 Jul 1, 2024
81bfc5b
save a network query when until_epoch is null
hanabi1224 Jul 1, 2024
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12 changes: 10 additions & 2 deletions src/chain_sync/tipset_syncer.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -842,13 +842,21 @@ async fn sync_headers_in_reverse<DB: Blockstore + Sync + Send + 'static>(
continue;
}

let epoch_diff = oldest_pending_tipset.epoch() - current_head.epoch();
let window = min(epoch_diff, MAX_TIPSETS_TO_REQUEST as i64);
let window = min(
oldest_pending_tipset.epoch() - until_epoch, // (oldest_pending_tipset.epoch() - 1) - until_epoch + 1
MAX_TIPSETS_TO_REQUEST as i64,
);
let network_tipsets = network
.chain_exchange_headers(None, oldest_pending_tipset.parents(), window as u64)
.await
.map_err(TipsetRangeSyncerError::NetworkTipsetQueryFailed)?;

// Break when the until_epoch is a null epoch
if let Some(first) = network_tipsets.first() {
if first.epoch() < until_epoch {
break;
}
}
for tipset in network_tipsets
.into_iter()
.take_while(|ts| ts.epoch() >= until_epoch)
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