@parity/api/src/rpc/web3/web3.js

The Parity Promise-based API library for interfacing with Ethereum over RPC

// Copyright 2015-2019 Parity Technologies (UK) Ltd.
// This file is part of Parity.

// Parity 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.

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

const { inHex } = require('../../format/input');

class Web3 {
  constructor (provider) {
    this._provider = provider;
  }

  clientVersion () {
    return this._provider
      .send('web3_clientVersion');
  }

  sha3 (hexStr) {
    return this._provider
      .send('web3_sha3', inHex(hexStr));
  }
}

module.exports = Web3;