How to use web3-core - 10 common examples

var Eth = function Eth() {
    var _this = this;

    // sets _requestmanager
    core.packageInit(this, arguments);

    // overwrite setProvider
    var setProvider = this.setProvider;
    this.setProvider = function () {
        setProvider.apply(_this, arguments);
        _this.net.setProvider.apply(_this, arguments);
        _this.personal.setProvider.apply(_this, arguments);
        _this.accounts.setProvider.apply(_this, arguments);
        _this.Contract.setProvider(_this.currentProvider, _this.accounts);
    };


    var defaultAccount = null;
    var defaultBlock = 'latest';

    Object.defineProperty(this, 'defaultAccount', {

var Personal = function Personal() {
    var _this = this;

    // sets _requestmanager
    core.packageInit(this, arguments);

    this.net = new Net(this.currentProvider);

    var defaultAccount = null;
    var defaultBlock = 'latest';

    Object.defineProperty(this, 'defaultAccount', {
        get: function () {
            return defaultAccount;
        },
        set: function (val) {
            if(val) {
                defaultAccount = utils.toChecksumAddress(formatters.inputAddressFormatter(val));
            }

            // update defaultBlock

var Eth = function Eth() {
    var _this = this;

    // sets _requestmanager
    core.packageInit(this, arguments);

    // overwrite setProvider
    var setProvider = this.setProvider;
    this.setProvider = function () {
        setProvider.apply(_this, arguments);
        _this.net.setProvider.apply(_this, arguments);
        _this.personal.setProvider.apply(_this, arguments);
        _this.accounts.setProvider.apply(_this, arguments);
        _this.Contract.setProvider(_this.currentProvider, _this.accounts);
    };


    var defaultAccount = null;
    var defaultBlock = 'latest';

    Object.defineProperty(this, 'defaultAccount', {

var Web3 = function Web3() {
    var _this = this;

    // sets _requestmanager etc
    core.packageInit(this, arguments);

    this.version = version;
    this.utils = utils;

    this.eth = new Eth(this);
    this.shh = new Shh(this);
    this.bzz = new Bzz(this);

    // overwrite package setProvider
    var setProvider = this.setProvider;
    this.setProvider = function (provider, net) {
        setProvider.apply(_this, arguments);

        this.eth.setProvider(provider, net);
        this.shh.setProvider(provider, net);
        this.bzz.setProvider(provider);

var Accounts = function Accounts() {
    var _this = this;

    // sets _requestmanager
    core.packageInit(this, arguments);

    // remove unecessary core functions
    delete this.BatchRequest;
    delete this.extend;

    var _ethereumCall = [
        new Method({
            name: 'getId',
            call: 'net_version',
            params: 0,
            outputFormatter: utils.hexToNumber
        }),
        new Method({
            name: 'getGasPrice',
            call: 'eth_gasPrice',
            params: 0

var Eth = function Eth() {
    var _this = this;

    // sets _requestmanager
    core.packageInit(this, arguments);

    // overwrite setProvider
    var setProvider = this.setProvider;
    this.setProvider = function () {
        setProvider.apply(_this, arguments);
        _this.net.setProvider.apply(_this, arguments);
        _this.personal.setProvider.apply(_this, arguments);
        _this.accounts.setProvider.apply(_this, arguments);
        _this.Contract.setProvider(_this.currentProvider, _this.accounts);
    };


    var defaultAccount = null;
    var defaultBlock = 'latest';

    Object.defineProperty(this, 'defaultAccount', {

var Shh = function Shh() {
    var _this = this;

    // sets _requestmanager
    core.packageInit(this, arguments);

    // overwrite setProvider
    var setProvider = this.setProvider;
    this.setProvider = function () {
        setProvider.apply(_this, arguments);
        _this.net.setProvider.apply(_this, arguments);
    };

    this.net = new Net(this.currentProvider);

    [
        new Subscriptions({
            name: 'subscribe',
            type: 'shh',
            subscriptions: {
                'messages': {

var Accounts = function Accounts() {
    var _this = this;

    // sets _requestmanager
    core.packageInit(this, arguments);

    // remove unecessary core functions
    delete this.BatchRequest;
    delete this.extend;

    var _ethereumCall = [
        new Method({
            name: 'getNetworkId',
            call: 'net_version',
            params: 0,
            outputFormatter: parseInt
        }),
        new Method({
            name: 'getChainId',
            call: 'eth_chainId',
            params: 0,

var Contract = function Contract(jsonInterface, address, options) {
    var _this = this,
        args = Array.prototype.slice.call(arguments);

    if(!(this instanceof Contract)) {
        throw new Error('Please use the "new" keyword to instantiate a web3.eth.contract() object!');
    }

    // sets _requestmanager
    core.packageInit(this, [this.constructor.currentProvider]);

    this.clearSubscriptions = this._requestManager.clearSubscriptions;



    if(!jsonInterface || !(Array.isArray(jsonInterface))) {
        throw new Error('You must provide the json interface of the contract when instantiating a contract object.');
    }



    // create the options object
    this.options = {};

    var lastArg = args[args.length - 1];
    if(_.isObject(lastArg) && !_.isArray(lastArg)) {

}
                }
            }
        })
    ];

    methods.forEach(function(method) {
        method.attachToObject(_this);
        method.setRequestManager(_this._requestManager, _this.accounts); // second param means is eth.accounts (necessary for wallet signing)
        method.defaultBlock = _this.defaultBlock;
        method.defaultAccount = _this.defaultAccount;
    });

};

core.addProviders(Eth);


module.exports = Eth;