diff --git a/substrate/bin/node-template/node/src/service.rs b/substrate/bin/node-template/node/src/service.rs index 25cd651178411..125cca1392799 100644 --- a/substrate/bin/node-template/node/src/service.rs +++ b/substrate/bin/node-template/node/src/service.rs @@ -80,23 +80,29 @@ pub fn new_partial(config: &Configuration) -> Result { telemetry.as_ref().map(|x| x.handle()), )?; - let slot_duration = sc_consensus_aura::slot_duration(&*client)?; - + let cidp_client = client.clone(); let import_queue = sc_consensus_aura::import_queue::(ImportQueueParams { block_import: grandpa_block_import.clone(), justification_import: Some(Box::new(grandpa_block_import.clone())), client: client.clone(), - create_inherent_data_providers: move |_, ()| async move { - let timestamp = sp_timestamp::InherentDataProvider::from_system_time(); + create_inherent_data_providers: move |parent_hash, _| { + let cidp_client = cidp_client.clone(); + async move { + let slot_duration = sc_consensus_aura::standalone::slot_duration_at( + &*cidp_client, + parent_hash, + )?; + let timestamp = sp_timestamp::InherentDataProvider::from_system_time(); - let slot = - sp_consensus_aura::inherents::InherentDataProvider::from_timestamp_and_slot_duration( - *timestamp, - slot_duration, - ); + let slot = + sp_consensus_aura::inherents::InherentDataProvider::from_timestamp_and_slot_duration( + *timestamp, + slot_duration, + ); - Ok((slot, timestamp)) + Ok((slot, timestamp)) + } }, spawner: &task_manager.spawn_essential_handle(), registry: config.prometheus_registry(),