webu/lib/webu/methods/watches.js

IrChain JavaScript API, middleware to talk to a irchain node over RPC

/*
    This file is part of webu.js.

    webu.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.

    webu.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 webu.js.  If not, see <http://www.gnu.org/licenses/>.
*/
/** @file watches.js
 * @authors:
 *   Marek Kotewicz <marek@ethdev.com>
 * @date 2015
 */

var Method = require('../method');

/// @returns an array of objects describing webu.irc.filter api methods
var irc = function() {
    var newFilterCall = function(args) {
        var type = args[0];
        switch (type) {
            case 'latest':
                args.shift();
                this.params = 0;
                return 'irc_newBlockFilter';
            case 'pending':
                args.shift();
                this.params = 0;
                return 'irc_newPendingTransactionFilter';
            default:
                return 'irc_newFilter';
        }
    };

    var newFilter = new Method({
        name: 'newFilter',
        call: newFilterCall,
        params: 1,
    });

    var uninstallFilter = new Method({
        name: 'uninstallFilter',
        call: 'irc_uninstallFilter',
        params: 1,
    });

    var getLogs = new Method({
        name: 'getLogs',
        call: 'irc_getFilterLogs',
        params: 1,
    });

    var poll = new Method({
        name: 'poll',
        call: 'irc_getFilterChanges',
        params: 1,
    });

    return [
        newFilter,
        uninstallFilter,
        getLogs,
        poll,
    ];
};

/// @returns an array of objects describing webu.shh.watch api methods
var shh = function() {

    return [
        new Method({
            name: 'newFilter',
            call: 'shh_newMessageFilter',
            params: 1,
        }),
        new Method({
            name: 'uninstallFilter',
            call: 'shh_deleteMessageFilter',
            params: 1,
        }),
        new Method({
            name: 'getLogs',
            call: 'shh_getFilterMessages',
            params: 1,
        }),
        new Method({
            name: 'poll',
            call: 'shh_getFilterMessages',
            params: 1,
        }),
    ];
};

module.exports = {
    irc: irc,
    shh: shh,
};