// 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/>.

//! Web3 rpc interface.
use ethereum_types::H256;
use jsonrpc_core::Result;
use jsonrpc_derive::rpc;

use v1::types::Bytes;

/// Web3 rpc interface.
#[rpc(server)]
pub trait Web3 {
    /// Returns current client version.
    #[rpc(name = "web3_clientVersion")]
    fn client_version(&self) -> Result<String>;

    /// Returns sha3 of the given data
    #[rpc(name = "web3_sha3")]
    fn sha3(&self, _: Bytes) -> Result<H256>;
}