openethereum/js/src/api/subscriptions/logging.js

// Copyright 2015, 2016 Ethcore (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/>.

let instance = null;

export default class Logging {
  constructor (updateSubscriptions) {
    this._updateSubscriptions = updateSubscriptions;

    instance = this;
  }

  get isStarted () {
    return true;
  }

  start () {
  }

  static send (method, params, json) {
    if (!instance) {
      return;
    }

    return instance._updateSubscriptions('logging', null, {
      method,
      params,
      json
    });
  }
}