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6 changes: 5 additions & 1 deletion polkadot/runtime/parachains/src/configuration.rs
Original file line number Diff line number Diff line change
Expand Up @@ -46,6 +46,10 @@ use polkadot_primitives::SchedulerParams;

const LOG_TARGET: &str = "runtime::configuration";

// This value is derived from network layer limits. See `sc_network::MAX_RESPONSE_SIZE` and
// `polkadot_node_network_protocol::POV_RESPONSE_SIZE`.
const POV_SIZE_HARD_LIMIT: u32 = 16 * 1024 * 1024;

/// All configuration of the runtime with respect to paras.
#[derive(
Clone,
Expand Down Expand Up @@ -377,7 +381,7 @@ where
})
}

if self.max_pov_size > MAX_POV_SIZE {
if self.max_pov_size > POV_SIZE_HARD_LIMIT {
return Err(MaxPovSizeExceedHardLimit { max_pov_size: self.max_pov_size })
}

Expand Down