Grandpa warp sync request-response protocol

Cargo.toml

@@ -38,6 +38,7 @@ members = [
 	"client/executor/wasmtime",
 	"client/executor/runtime-test",
 	"client/finality-grandpa",
+	"client/grandpa-warp-sync",
 	"client/informant",
 	"client/light",
 	"client/tracing",

bin/node-template/node/src/service.rs

@@ -92,6 +92,7 @@ pub fn new_full(mut config: Configuration) -> Result<TaskManager, ServiceError>
 		sc_service::build_network(sc_service::BuildNetworkParams {
 			config: &config,
 			client: client.clone(),
+			backend: backend.clone(),
 			transaction_pool: transaction_pool.clone(),
 			spawn_handle: task_manager.spawn_handle(),
 			import_queue,
@@ -261,6 +262,7 @@ pub fn new_light(mut config: Configuration) -> Result<TaskManager, ServiceError>
 		sc_service::build_network(sc_service::BuildNetworkParams {
 			config: &config,
 			client: client.clone(),
+			backend: backend.clone(),
 			transaction_pool: transaction_pool.clone(),
 			spawn_handle: task_manager.spawn_handle(),
 			import_queue,

bin/node/cli/src/cli.rs

@@ -36,13 +36,6 @@ pub enum Subcommand {
 	/// Key management cli utilities
 	Key(KeySubcommand),
 
-	/// The custom inspect subcommmand for decoding blocks and extrinsics.
-	#[structopt(
-		name = "inspect",
-		about = "Decode given block or extrinsic using current native runtime."
-	)]
-	Inspect(node_inspect::cli::InspectCmd),
-
 	/// The custom benchmark subcommmand benchmarking runtime pallets.
 	#[structopt(name = "benchmark", about = "Benchmark runtime pallets.")]
 	Benchmark(frame_benchmarking_cli::BenchmarkCmd),

bin/node/cli/src/command.rs

@@ -79,11 +79,6 @@ pub fn run() -> Result<()> {
 				}
 			})
 		}
-		Some(Subcommand::Inspect(cmd)) => {
-			let runner = cli.create_runner(cmd)?;
-
-			runner.sync_run(|config| cmd.run::<Block, RuntimeApi, Executor>(config))
-		}
 		Some(Subcommand::Benchmark(cmd)) => {
 			if cfg!(feature = "runtime-benchmarks") {
 				let runner = cli.create_runner(cmd)?;

bin/node/cli/src/service.rs

@@ -184,6 +184,7 @@ pub fn new_full_base(
 		sc_service::build_network(sc_service::BuildNetworkParams {
 			config: &config,
 			client: client.clone(),
+			backend: backend.clone(),
 			transaction_pool: transaction_pool.clone(),
 			spawn_handle: task_manager.spawn_handle(),
 			import_queue,
@@ -389,6 +390,7 @@ pub fn new_light_base(mut config: Configuration) -> Result<(
 		sc_service::build_network(sc_service::BuildNetworkParams {
 			config: &config,
 			client: client.clone(),
+			backend: backend.clone(),
 			transaction_pool: transaction_pool.clone(),
 			spawn_handle: task_manager.spawn_handle(),
 			import_queue,