transaction-pool 2.0.3

Generic transaction pool.
Documentation 
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// Copyright 2020 Parity Technologies
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.

/// Light pool status.
/// This status is cheap to compute and can be called frequently.
#[derive(Default, Debug, Clone, PartialEq, Eq)]
pub struct LightStatus {
	/// Memory usage in bytes.
	pub mem_usage: usize,
	/// Total number of transactions in the pool.
	pub transaction_count: usize,
	/// Number of unique senders in the pool.
	pub senders: usize,
}

/// A full queue status.
/// To compute this status it is required to provide `Ready`.
/// NOTE: To compute the status we need to visit each transaction in the pool.
#[derive(Default, Debug, Clone, PartialEq, Eq)]
pub struct Status {
	/// Number of stalled transactions.
	pub stalled: usize,
	/// Number of pending (ready) transactions.
	pub pending: usize,
	/// Number of future (not ready) transactions.
	pub future: usize,
}