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Enforce blocks response limit (#12146)

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This commit is contained in:
Nazar Mokrynskyi
2022-09-05 17:06:20 +03:00
committed by GitHub
parent 2b80555902
commit efa04ed70d
1 changed files with 12 additions and 3 deletions
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substrate/client/network/sync/src/block_request_handler.rs
+12 -3
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@@ -405,11 +405,20 @@ where
indexed_body,
};
total_size += block_data.body.iter().map(|ex| ex.len()).sum::<usize>();
total_size += block_data.indexed_body.iter().map(|ex| ex.len()).sum::<usize>();
let new_total_size = total_size +
block_data.body.iter().map(|ex| ex.len()).sum::<usize>() +
block_data.indexed_body.iter().map(|ex| ex.len()).sum::<usize>();
// Send at least one block, but make sure to not exceed the limit.
if !blocks.is_empty() && new_total_size > MAX_BODY_BYTES {
break
}
total_size = new_total_size;
blocks.push(block_data);
if blocks.len() >= max_blocks as usize || total_size > MAX_BODY_BYTES {
if blocks.len() >= max_blocks as usize {
break
}