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Protocol ID configurable in the chain spec (#811)

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* Protocol ID configurable in the chain spec

* Removed obsolete const
This commit is contained in:
Arkadiy Paronyan
2018-09-27 13:26:07 +02:00
committed by Gav Wood
parent 37102611d4
commit 0ab3b2de35
6 changed files with 22 additions and 12 deletions
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substrate/core/service/src/lib.rs
+11 -1
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@@ -84,6 +84,8 @@ pub use components::{ServiceFactory, FullBackend, FullExecutor, LightBackend,
ComponentExHash, ComponentExtrinsic,
};
const DEFAULT_PROTOCOL_ID: &'static str = "sup";
/// Substrate service.
pub struct Service<Components: components::Components> {
client: Arc<ComponentClient<Components>>,
@@ -171,7 +173,15 @@ impl<Components> Service<Components>
specialization: network_protocol,
};
let network = network::Service::new(network_params, Components::Factory::NETWORK_PROTOCOL_ID)?;
let mut protocol_id = network::ProtocolId::default();
let protocol_id_full = config.chain_spec.protocol_id().unwrap_or(DEFAULT_PROTOCOL_ID).as_bytes();
if protocol_id_full.len() > protocol_id.len() {
warn!("Protocol ID truncated to {} chars", protocol_id.len());
}
let id_len = protocol_id_full.len().min(protocol_id.len());
&mut protocol_id[0..id_len].copy_from_slice(&protocol_id_full[0..id_len]);
let network = network::Service::new(network_params, protocol_id)?;
on_demand.map(|on_demand| on_demand.set_service_link(Arc::downgrade(&network)));
{