Prometheus: Use correct chain id (paritytech#10457)

* Prometheus: Use correct chain id

* FMT

client/cli/src/commands/run_cmd.rs

@@ -365,7 +365,11 @@ impl CliConfiguration for RunCmd {
 		Ok(self.shared_params.dev || self.force_authoring)
 	}
 
-	fn prometheus_config(&self, default_listen_port: u16) -> Result<Option<PrometheusConfig>> {
+	fn prometheus_config(
+		&self,
+		default_listen_port: u16,
+		chain_spec: &Box<dyn ChainSpec>,
+	) -> Result<Option<PrometheusConfig>> {
 		Ok(if self.no_prometheus {
 			None
 		} else {
@@ -377,7 +381,7 @@ impl CliConfiguration for RunCmd {
 					interface.into(),
 					self.prometheus_port.unwrap_or(default_listen_port),
 				),
-				self.shared_params.chain_id(self.shared_params.dev),
+				chain_spec.id().into(),
 			))
 		})
 	}

client/cli/src/config.rs

@@ -368,7 +368,11 @@ pub trait CliConfiguration<DCV: DefaultConfigurationValues = ()>: Sized {
 	/// Get the prometheus configuration (`None` if disabled)
 	///
 	/// By default this is `None`.
-	fn prometheus_config(&self, _default_listen_port: u16) -> Result<Option<PrometheusConfig>> {
+	fn prometheus_config(
+		&self,
+		_default_listen_port: u16,
+		_chain_spec: &Box<dyn ChainSpec>,
+	) -> Result<Option<PrometheusConfig>> {
 		Ok(None)
 	}
 
@@ -527,7 +531,8 @@ pub trait CliConfiguration<DCV: DefaultConfigurationValues = ()>: Sized {
 			rpc_cors: self.rpc_cors(is_dev)?,
 			rpc_max_payload: self.rpc_max_payload()?,
 			ws_max_out_buffer_capacity: self.ws_max_out_buffer_capacity()?,
-			prometheus_config: self.prometheus_config(DCV::prometheus_listen_port())?,
+			prometheus_config: self
+				.prometheus_config(DCV::prometheus_listen_port(), &chain_spec)?,
 			telemetry_endpoints,
 			default_heap_pages: self.default_heap_pages()?,
 			offchain_worker: self.offchain_worker(&role)?,