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cuprated: ignore fluffy blocks older than 10 blocks #583

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Merged
Boog900 merged 2 commits into from
Feb 14, 2026
Merged

cuprated: ignore fluffy blocks older than 10 blocks #583

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1f044c3
ignore fluffy blocks older than 10 blocks
redsh4de Feb 13, 2026
9a60da5
update fluffy block age check to use the block's number
redsh4de Feb 14, 2026
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13 changes: 12 additions & 1 deletion binaries/cuprated/src/p2p/request_handler.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -150,6 +150,7 @@ where
self.peer_information.clone(),
r,
self.blockchain_read_handle.clone(),
self.blockchain_context_service.clone(),
self.txpool_read_handle.clone(),
)
.boxed(),
Expand Down Expand Up @@ -298,9 +299,9 @@ async fn new_fluffy_block<A: NetZoneAddress>(
peer_information: PeerInformation<A>,
request: NewFluffyBlock,
mut blockchain_read_handle: BlockchainReadHandle,
mut blockchain_context_service: BlockchainContextService,
mut txpool_read_handle: TxpoolReadHandle,
) -> anyhow::Result<ProtocolResponse> {
// TODO: check context service here and ignore the block?
let current_blockchain_height = request.current_blockchain_height;

peer_information
Expand Down Expand Up @@ -337,6 +338,16 @@ async fn new_fluffy_block<A: NetZoneAddress>(
})
.await?;

let context = blockchain_context_service.blockchain_context();
if block.number() + 10 < context.chain_height {
tracing::debug!(
our_height = context.chain_height,
block_height = block.number(),
"fluffy block too old, ignoring."
);
return Ok(ProtocolResponse::NA);
}

let res = blockchain_interface::handle_incoming_block(
block,
txs,
Expand Down
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