caver-js/packages/caver-klay/src/getNetworkType.js

caver-js is a JavaScript API library that allows developers to interact with a Kaia node

/*
    Modifications copyright 2018 The caver-js Authors
    This file is part of web3.js.

    web3.js is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    web3.js 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 Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License
    along with web3.js.  If not, see <http://www.gnu.org/licenses/>.

    This file is derived from web3.js/packages/web3-eth/src/getNetworkType.js (2019/06/12).
    Modified and improved for the caver-js development.
*/
/**
 * @file getNetworkType.js
 * @author Fabian Vogelsteller <fabian@ethereum.org>
 * @date 2017
 */

const _ = require('lodash')

const getNetworkType = function(callback) {
    const _this = this
    let id

    return this.net
        .getId()
        .then(function(givenId) {
            id = givenId

            return _this.getBlock(0)
        })
        .then(function(genesis) {
            let returnValue = 'private'

            if (genesis.hash === '0xe33ff05ceec2581ca9496f38a2bf9baad5d4eed629e896ccb33d1dc991bc4b4a' && id === 1001) {
                returnValue = 'baobab'
            }
            if (genesis.hash === '0xc72e5293c3c3ba38ed8ae910f780e4caaa9fb95e79784f7ab74c3c262ea7137e' && id === 8217) {
                returnValue = 'cypress'
            }

            if (_.isFunction(callback)) {
                callback(null, returnValue)
            }
            return returnValue
        })
        .catch(function(err) {
            if (_.isFunction(callback)) {
                callback(err)
            } else {
                throw err
            }
        })
}

module.exports = getNetworkType