sc-transcation-pool refactor (#9228)

* Use TransactionPool trait

* sc-transaction-pool-primitives

* sc-transaction-pool-api

* TP

* bye sc_transaction_graph

* fix line widths

* fix import errors

* fix import errors

* fix import errors 🤦🏾‍♂️

* fix import errors 🤦🏾‍♂️🤦🏾‍♂️🤦🏾‍♂️

* remove sp-keyring

substrate/client/transaction-pool/src/graph/mod.rs

@@ -0,0 +1,45 @@
+// This file is part of Substrate.
+
+// Copyright (C) 2018-2021 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/>.
+
+//! Generic Transaction Pool
+//!
+//! The pool is based on dependency graph between transactions
+//! and their priority.
+//! The pool is able to return an iterator that traverses transaction
+//! graph in the correct order taking into account priorities and dependencies.
+
+#![warn(missing_docs)]
+#![warn(unused_extern_crates)]
+
+mod future;
+mod listener;
+mod pool;
+mod ready;
+mod rotator;
+mod validated_pool;
+mod tracked_map;
+
+pub mod base_pool;
+pub mod watcher;
+
+pub use self::base_pool::Transaction;
+pub use validated_pool::{IsValidator, ValidatedTransaction};
+pub use self::pool::{
+	BlockHash, ChainApi, EventStream, ExtrinsicFor, ExtrinsicHash,
+	NumberFor, Options, Pool, TransactionFor,
+};