Move subcommands from sc-cli to nodes (#6948)

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

@@ -1,5 +1,5 @@
 use structopt::StructOpt;
-use sc_cli::{RunCmd, Subcommand};
+use sc_cli::RunCmd;
 
 #[derive(Debug, StructOpt)]
 pub struct Cli {
@@ -9,3 +9,27 @@ pub struct Cli {
 	#[structopt(flatten)]
 	pub run: RunCmd,
 }
+
+#[derive(Debug, StructOpt)]
+pub enum Subcommand {
+	/// Build a chain specification.
+	BuildSpec(sc_cli::BuildSpecCmd),
+
+	/// Validate blocks.
+	CheckBlock(sc_cli::CheckBlockCmd),
+
+	/// Export blocks.
+	ExportBlocks(sc_cli::ExportBlocksCmd),
+
+	/// Export the state of a given block into a chain spec.
+	ExportState(sc_cli::ExportStateCmd),
+
+	/// Import blocks.
+	ImportBlocks(sc_cli::ImportBlocksCmd),
+
+	/// Remove the whole chain.
+	PurgeChain(sc_cli::PurgeChainCmd),
+
+	/// Revert the chain to a previous state.
+	Revert(sc_cli::RevertCmd),
+}

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

@@ -16,7 +16,7 @@
 // limitations under the License.
 
 use crate::chain_spec;
-use crate::cli::Cli;
+use crate::cli::{Cli, Subcommand};
 use crate::service;
 use sc_cli::{SubstrateCli, RuntimeVersion, Role, ChainSpec};
 use sc_service::PartialComponents;
@@ -66,15 +66,55 @@ impl SubstrateCli for Cli {
 pub fn run() -> sc_cli::Result<()> {
 	let cli = Cli::from_args();
 
-	match cli.subcommand {
-		Some(ref subcommand) => {
-			let runner = cli.create_runner(subcommand)?;
-			runner.run_subcommand(subcommand, |config| {
-				let PartialComponents { client, backend, task_manager, import_queue, .. }
+	match &cli.subcommand {
+		Some(Subcommand::BuildSpec(cmd)) => {
+			let runner = cli.create_runner(cmd)?;
+			runner.sync_run(|config| cmd.run(config.chain_spec, config.network))
+		},
+		Some(Subcommand::CheckBlock(cmd)) => {
+			let runner = cli.create_runner(cmd)?;
+			runner.async_run(|config| {
+				let PartialComponents { client, task_manager, import_queue, ..}
 					= new_partial(&config)?;
-				Ok((client, backend, import_queue, task_manager))
+				Ok((cmd.run(client, import_queue), task_manager))
 			})
-		}
+		},
+		Some(Subcommand::ExportBlocks(cmd)) => {
+			let runner = cli.create_runner(cmd)?;
+			runner.async_run(|config| {
+				let PartialComponents { client, task_manager, ..}
+					= new_partial(&config)?;
+				Ok((cmd.run(client, config.database), task_manager))
+			})
+		},
+		Some(Subcommand::ExportState(cmd)) => {
+			let runner = cli.create_runner(cmd)?;
+			runner.async_run(|config| {
+				let PartialComponents { client, task_manager, ..}
+					= new_partial(&config)?;
+				Ok((cmd.run(client, config.chain_spec), task_manager))
+			})
+		},
+		Some(Subcommand::ImportBlocks(cmd)) => {
+			let runner = cli.create_runner(cmd)?;
+			runner.async_run(|config| {
+				let PartialComponents { client, task_manager, import_queue, ..}
+					= new_partial(&config)?;
+				Ok((cmd.run(client, import_queue), task_manager))
+			})
+		},
+		Some(Subcommand::PurgeChain(cmd)) => {
+			let runner = cli.create_runner(cmd)?;
+			runner.sync_run(|config| cmd.run(config.database))
+		},
+		Some(Subcommand::Revert(cmd)) => {
+			let runner = cli.create_runner(cmd)?;
+			runner.async_run(|config| {
+				let PartialComponents { client, task_manager, backend, ..}
+					= new_partial(&config)?;
+				Ok((cmd.run(client, backend), task_manager))
+			})
+		},
 		None => {
 			let runner = cli.create_runner(&cli.run)?;
 			runner.run_node_until_exit(|config| match config.role {