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// Copyright 2015-2020 Parity Technologies (UK) Ltd.
// This file is part of OpenEthereum.

// OpenEthereum 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.

// OpenEthereum 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 OpenEthereum.  If not, see <http://www.gnu.org/licenses/>.

//! Net rpc interface.
use jsonrpc_core::Result;
use jsonrpc_derive::rpc;

/// Net rpc interface.
#[rpc(server)]
pub trait Net {
    /// Returns protocol version.
    #[rpc(name = "net_version")]
    fn version(&self) -> Result<String>;

    /// Returns number of peers connected to node.
    #[rpc(name = "net_peerCount")]
    fn peer_count(&self) -> Result<String>;

    /// Returns true if client is actively listening for network connections.
    /// Otherwise false.
    #[rpc(name = "net_listening")]
    fn is_listening(&self) -> Result<bool>;
}