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// SPDX-License-Identifier: GPL-3.0-or-later WITH Classpath-exception-2.0
// This file is part of Frontier.
//
// Copyright (c) 2015-2022 Parity Technologies (UK) Ltd.
//
// 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/>.

//! Eth PUB-SUB rpc interface.

use jsonrpsee::proc_macros::rpc;

use crate::types::pubsub;

/// Eth PUB-SUB rpc interface.
#[rpc(server)]
pub trait EthPubSubApi {
	/// Subscribe to Eth subscription.
	#[subscription(
		name = "eth_subscribe" => "eth_subscription",
		unsubscribe = "eth_unsubscribe",
		item = pubsub::Result
	)]
	fn subscribe(&self, kind: pubsub::Kind, params: Option<pubsub::Params>);
}