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grandpa: enable light clients to participate in gossip (#8796)

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* network: allow gossiping to light clients

* grandpa: gossip global messages to light clients

* grandpa: don't send neighbor packets to light clients

* grandpa: fix tests

* grandpa: export run_grandpa_observer

* node: run grandpa observer on light client

* node: start network at end

* Use wasm_timer in finality-grandpa

Co-authored-by: Pierre Krieger <pierre.krieger1708@gmail.com>
This commit is contained in:
André Silva
2021-05-26 12:33:11 +01:00
committed by GitHub
parent 0d13e20b35
commit 61507e1ba3
12 changed files with 159 additions and 73 deletions
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substrate/bin/node-template/node/src/service.rs
+22 -3
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@@ -269,7 +269,7 @@ pub fn new_full(mut config: Configuration) -> Result<TaskManager, ServiceError>
name: Some(name),
observer_enabled: false,
keystore,
is_authority: role.is_authority(),
local_role: role,
telemetry: telemetry.as_ref().map(|x| x.handle()),
};
@@ -337,7 +337,7 @@ pub fn new_light(mut config: Configuration) -> Result<TaskManager, ServiceError>
on_demand.clone(),
));
let (grandpa_block_import, _) = sc_finality_grandpa::block_import(
let (grandpa_block_import, grandpa_link) = sc_finality_grandpa::block_import(
client.clone(),
&(client.clone() as Arc<_>),
select_chain.clone(),
@@ -387,6 +387,26 @@ pub fn new_light(mut config: Configuration) -> Result<TaskManager, ServiceError>
);
}
let enable_grandpa = !config.disable_grandpa;
if enable_grandpa {
let name = config.network.node_name.clone();
let config = sc_finality_grandpa::Config {
gossip_duration: std::time::Duration::from_millis(333),
justification_period: 512,
name: Some(name),
observer_enabled: false,
keystore: None,
local_role: config.role.clone(),
telemetry: telemetry.as_ref().map(|x| x.handle()),
};
task_manager.spawn_handle().spawn_blocking(
"grandpa-observer",
sc_finality_grandpa::run_grandpa_observer(config, grandpa_link, network.clone())?,
);
}
sc_service::spawn_tasks(sc_service::SpawnTasksParams {
remote_blockchain: Some(backend.remote_blockchain()),
transaction_pool,
@@ -404,6 +424,5 @@ pub fn new_light(mut config: Configuration) -> Result<TaskManager, ServiceError>
})?;
network_starter.start_network();
Ok(task_manager)
}