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Don't ban peers for small duplicate requests (#11084)

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* Don't ban peers for small duplicate requests

* Address review comment
This commit is contained in:
Nathan Whitaker
2022-03-22 03:47:05 -04:00
committed by GitHub
parent dd35c571f6
commit be11700658
1 changed files with 13 additions and 1 deletions
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substrate/client/network/src/block_request_handler.rs
+13 -1
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@@ -54,6 +54,10 @@ mod rep {
/// Reputation change when a peer sent us the same request multiple times.
pub const SAME_REQUEST: Rep = Rep::new_fatal("Same block request multiple times");
/// Reputation change when a peer sent us the same "small" request multiple times.
pub const SAME_SMALL_REQUEST: Rep =
Rep::new(-(1 << 10), "same small block request multiple times");
}
/// Generates a [`ProtocolConfig`] for the block request protocol, refusing incoming requests.
@@ -200,8 +204,16 @@ impl<B: BlockT> BlockRequestHandler<B> {
Some(SeenRequestsValue::Fulfilled(ref mut requests)) => {
*requests = requests.saturating_add(1);
let small_request = attributes
.difference(BlockAttributes::HEADER | BlockAttributes::JUSTIFICATION)
.is_empty();
if *requests > MAX_NUMBER_OF_SAME_REQUESTS_PER_PEER {
reputation_change = Some(rep::SAME_REQUEST);
reputation_change = Some(if small_request {
rep::SAME_SMALL_REQUEST
} else {
rep::SAME_REQUEST
});
}
},
None => {