openethereum/js/packages/shared/redux/providers/signer.js

// Copyright 2015-2017 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/>.

import { signerRequestsToConfirm } from './signerActions';

export default class Signer {
  constructor (store, api) {
    this._api = api;
    this._store = store;
  }

  start () {
    this._subscribeRequestsToConfirm();
  }

  _subscribeRequestsToConfirm () {
    this._api
      .subscribe('signer_requestsToConfirm', (error, pending) => {
        if (error) {
          return;
        }

        this._store.dispatch(signerRequestsToConfirm(pending || []));
      });
  }
}