Integrate try-runtime into substrate node template (#10909)

* [10892-integrate-try-runtime-into-node-template] - Integrated try-runtime into node template

* [10892-integrate-try-runtime-into-node-template] Added match arms for try-runtime in command.rs

* [10892-integrate-try-runtime-into-node-template] Added match arms for try-runtime in command.rs

* Added feature flag for try-runtime in node-template/node and enabled try-runtime for node-template/runtime

* Added missing type annotations for try-runtime SubCommand in node-template

* Added missing type annotations for try-runtime SubCommand in node-template

* Implemented frame_try_runtime::TryRuntime<Block> for the node-template Runtime

substrate/bin/node-template/node/Cargo.toml

@@ -55,9 +55,15 @@ frame-benchmarking-cli = { version = "4.0.0-dev", path = "../../../utils/frame/b
 # Local Dependencies
 node-template-runtime = { version = "4.0.0-dev", path = "../runtime" }
 
+# CLI-specific dependencies
+try-runtime-cli = { version = "0.10.0-dev", optional = true, path = "../../../utils/frame/try-runtime/cli" }
+
 [build-dependencies]
 substrate-build-script-utils = { version = "3.0.0", path = "../../../utils/build-script-utils" }
 
 [features]
 default = []
 runtime-benchmarks = ["node-template-runtime/runtime-benchmarks"]
+# Enable features that allow the runtime to be tried and debugged. Name might be subject to change
+# in the near future.
+try-runtime = ["node-template-runtime/try-runtime", "try-runtime-cli"]

substrate/bin/node-template/node/src/cli.rs

@@ -39,4 +39,12 @@ pub enum Subcommand {
 	/// The custom benchmark subcommand benchmarking runtime pallets.
 	#[clap(name = "benchmark", about = "Benchmark runtime pallets.")]
 	Benchmark(frame_benchmarking_cli::BenchmarkCmd),
+
+	/// Try some command against runtime state.
+	#[cfg(feature = "try-runtime")]
+	TryRuntime(try_runtime_cli::TryRuntimeCmd),
+
+	/// Try some command against runtime state. Note: `try-runtime` feature must be enabled.
+	#[cfg(not(feature = "try-runtime"))]
+	TryRuntime,
 }

substrate/bin/node-template/node/src/command.rs

@@ -108,6 +108,23 @@ pub fn run() -> sc_cli::Result<()> {
 				     `--features runtime-benchmarks`."
 					.into())
 			},
+		#[cfg(feature = "try-runtime")]
+		Some(Subcommand::TryRuntime(cmd)) => {
+			let runner = cli.create_runner(cmd)?;
+			runner.async_run(|config| {
+				// we don't need any of the components of new_partial, just a runtime, or a task
+				// manager to do `async_run`.
+				let registry = config.prometheus_config.as_ref().map(|cfg| &cfg.registry);
+				let task_manager =
+					sc_service::TaskManager::new(config.tokio_handle.clone(), registry)
+						.map_err(|e| sc_cli::Error::Service(sc_service::Error::Prometheus(e)))?;
+				Ok((cmd.run::<Block, service::ExecutorDispatch>(config), task_manager))
+			})
+		},
+		#[cfg(not(feature = "try-runtime"))]
+		Some(Subcommand::TryRuntime) => Err("TryRuntime wasn't enabled when building the node. \
+				You can enable it with `--features try-runtime`."
+			.into()),
 		None => {
 			let runner = cli.create_runner(&cli.run)?;
 			runner.run_node_until_exit(|config| async move {