Transaction pool integrated benchmarks (#6579)

* txpool benchmarks

* updated api

* Update bin/node/bench/src/txpool.rs

Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>

Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>

substrate/bin/node/bench/src/main.rs

@@ -25,6 +25,7 @@ mod simple_trie;
 mod state_sizes;
 mod tempdb;
 mod trie;
+mod txpool;
 
 use structopt::StructOpt;
 
@@ -37,6 +38,7 @@ use crate::{
 	import::ImportBenchmarkDescription,
 	trie::{TrieReadBenchmarkDescription, TrieWriteBenchmarkDescription, DatabaseSize},
 	construct::ConstructionBenchmarkDescription,
+	txpool::PoolBenchmarkDescription,
 };
 
 #[derive(Debug, StructOpt)]
@@ -148,6 +150,7 @@ fn main() {
 			size: SizeType::Large,
 			database_type: BenchDataBaseType::RocksDb,
 		},
+		PoolBenchmarkDescription { database_type: BenchDataBaseType::RocksDb },
 	);
 
 	if opt.list {

substrate/bin/node/bench/src/txpool.rs

@@ -0,0 +1,106 @@
+// This file is part of Substrate.
+
+// Copyright (C) 2020 Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: GPL-3.0-or-later WITH Classpath-exception-2.0
+
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+//! Transaction pool integrated benchmarks.
+//!
+//! The goal of this benchmark is to figure out time needed to fill
+//! the transaction pool for the next block.
+
+use std::{borrow::Cow, sync::Arc};
+
+use node_testing::bench::{BenchDb, Profile, BlockType, KeyTypes, DatabaseType};
+
+use sc_transaction_pool::{BasicPool, FullChainApi};
+use sp_runtime::generic::BlockId;
+use sp_transaction_pool::{TransactionPool, TransactionSource};
+
+use crate::core::{self, Path, Mode};
+
+pub struct PoolBenchmarkDescription {
+    pub database_type: DatabaseType,
+}
+
+pub struct PoolBenchmark {
+	database: BenchDb,
+}
+
+impl core::BenchmarkDescription for PoolBenchmarkDescription {
+	fn path(&self) -> Path {
+        Path::new(&["node", "txpool"])
+	}
+
+	fn setup(self: Box<Self>) -> Box<dyn core::Benchmark> {
+		Box::new(PoolBenchmark {
+			database: BenchDb::with_key_types(
+				self.database_type,
+				50_000,
+				KeyTypes::Sr25519,
+			),
+		})
+	}
+
+	fn name(&self) -> Cow<'static, str> {
+        "Transaction pool benchmark".into()
+	}
+}
+
+impl core::Benchmark for PoolBenchmark {
+	fn run(&mut self, mode: Mode) -> std::time::Duration {
+		let context = self.database.create_context(Profile::Wasm);
+
+		let _ = context.client.runtime_version_at(&BlockId::Number(0))
+			.expect("Failed to get runtime version")
+			.spec_version;
+
+		if mode == Mode::Profile {
+			std::thread::park_timeout(std::time::Duration::from_secs(3));
+		}
+
+		let executor = sp_core::testing::SpawnBlockingExecutor::new();
+		let txpool = BasicPool::new_full(
+			Default::default(),
+			Arc::new(FullChainApi::new(context.client.clone(), None)),
+			None,
+			executor,
+			context.client.clone(),
+		);
+
+		let generated_transactions = self.database.block_content(
+			BlockType::RandomTransfersKeepAlive.to_content(Some(100)),
+			&context.client,
+		).into_iter().collect::<Vec<_>>();
+
+		let start = std::time::Instant::now();
+		let submissions = generated_transactions.into_iter().map(|tx| {
+			txpool.submit_one(
+				&BlockId::Number(0),
+				TransactionSource::External,
+				tx,
+			)
+		});
+		futures::executor::block_on(
+			futures::future::join_all(submissions)
+		);
+		let elapsed = start.elapsed();
+
+		if mode == Mode::Profile {
+			std::thread::park_timeout(std::time::Duration::from_secs(1));
+		}
+		elapsed
+	}
+}