Benchmark Polkadot Claims Pallet (#876)

* fix

* Starting to add benchmarks

* make compile

* add benchmarks

* Make work with Substrate master

* Bench validate unsigned

* back to polkadot master

* starting to add cli with feature flag

* more stuff

* Add to kusama

* Update Cargo.lock

* fix dev dep

* bump wasm builder

* Remove encode from keccak benchmark

* bump spec

* Add weight documentation

* Update Cargo.lock

* Update check_runtime.sh

* Update publish_draft_release.sh

* Update Cargo.lock

Co-authored-by: thiolliere <gui.thiolliere@gmail.com>

polkadot/cli/src/cli.rs

@@ -29,6 +29,13 @@ pub enum Subcommand {
 	#[allow(missing_docs)]
 	#[structopt(name = "validation-worker", setting = structopt::clap::AppSettings::Hidden)]
 	ValidationWorker(ValidationWorkerCommand),
+
+	/// The custom benchmark subcommmand benchmarking runtime pallets.
+	#[structopt(
+		name = "benchmark",
+		about = "Benchmark runtime pallets."
+	)]
+	Benchmark(frame_benchmarking_cli::BenchmarkCmd),
 }
 
 #[allow(missing_docs)]