cumulus: Add chain spec to the build_rpc_extensions

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

cumulus/polkadot-parachain/src/rpc.rs

@@ -41,6 +41,7 @@ pub(crate) trait BuildRpcExtensions<Client, Backend, Pool> {
  client: Arc<Client>,
  backend: Arc<Backend>,
  pool: Arc<Pool>,
+ chain_spec: Box<dyn sc_chain_spec::ChainSpec>,
  ) -> sc_service::error::Result<RpcExtension>;
 }
 
@@ -60,6 +61,7 @@ where
  _client: Arc<ParachainClient<RuntimeApi>>,
  _backend: Arc<ParachainBackend>,
  _pool: Arc<sc_transaction_pool::FullPool<Block, ParachainClient<RuntimeApi>>>,
+ _chain_spec: Box<dyn sc_chain_spec::ChainSpec>,
  ) -> sc_service::error::Result<RpcExtension> {
  Ok(RpcExtension::new(()))
  }
@@ -83,6 +85,7 @@ where
  client: Arc<ParachainClient<RuntimeApi>>,
  backend: Arc<ParachainBackend>,
  pool: Arc<sc_transaction_pool::FullPool<Block, ParachainClient<RuntimeApi>>>,
+ chain_spec: Box<dyn sc_chain_spec::ChainSpec>,
  ) -> sc_service::error::Result<RpcExtension> {
  let build = || -> Result<RpcExtension, Box<dyn std::error::Error + Send + Sync>> {
  let mut module = RpcExtension::new(());

cumulus/polkadot-parachain/src/service.rs

@@ -255,6 +255,7 @@ pub(crate) trait NodeSpec {
 
  let validator = parachain_config.role.is_authority();
  let prometheus_registry = parachain_config.prometheus_registry().cloned();
+ let chain_spec = parachain_config.chain_spec.cloned();
  let transaction_pool = params.transaction_pool.clone();
  let import_queue_service = params.import_queue.service();
  let net_config = FullNetworkConfiguration::<_, _, Net>::new(
@@ -281,12 +282,13 @@ pub(crate) trait NodeSpec {
  let transaction_pool = transaction_pool.clone();
  let backend_for_rpc = backend.clone();
 
- Box::new(move |deny_unsafe, _| {
+ Box::new(move |deny_unsafe: sc_rpc::DenyUnsafe, _| {
  Self::BuildRpcExtensions::build_rpc_extensions(
  deny_unsafe,
  client.clone(),
  backend_for_rpc.clone(),
  transaction_pool.clone(),
+ chain_spec,
  )
  })
  };