cc-zos/lib/models/network/Session.js

Command-line interface for the ZeppelinOS smart contract platform

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };

var _ccZosLib = require('cc-zos-lib');

var _lodash = require('lodash');

var _lodash2 = _interopRequireDefault(_lodash);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

const log = new _ccZosLib.Logger('Session');
const TIMEOUT_15_MIN_IN_SECONDS = 15 * 60;
const ZOS_SESSION_PATH = '.zos.session';

const Session = {

  getSession() {
    const session = _ccZosLib.FileSystem.parseJsonIfExists(ZOS_SESSION_PATH);
    if (_lodash2.default.isEmpty(session)) return undefined;
    const expires = new Date(session.expires);
    if (expires <= new Date()) return undefined;
    return _lodash2.default.pick(session, 'network', 'timeout', 'from');
  },

  getOptions(overrides = {}) {
    const session = this.getSession();
    if (!session) return overrides;
    log.info(`Using session with ${describe(_lodash2.default.omitBy(session, (v, key) => overrides[key]))}`);

    return _extends({}, this.getSession(), overrides);
  },

  open({ network, from, timeout }, expires = TIMEOUT_15_MIN_IN_SECONDS) {
    const expirationTimestamp = new Date(new Date().getTime() + expires * 1000);
    _ccZosLib.FileSystem.writeJson(ZOS_SESSION_PATH, { network, from, timeout, expires: expirationTimestamp });
    log.info(`Using ${describe({ network, from, timeout })} by default.`);
  },

  close() {
    if (_ccZosLib.FileSystem.exists(ZOS_SESSION_PATH)) _ccZosLib.FileSystem.remove(ZOS_SESSION_PATH);
    log.info(`Closed zos session.`);
  },

  ignoreFile() {
    const GIT_IGNORE = '.gitignore';
    if (_ccZosLib.FileSystem.exists(GIT_IGNORE) && _ccZosLib.FileSystem.read(GIT_IGNORE).toString().indexOf(ZOS_SESSION_PATH) < 0) {
      _ccZosLib.FileSystem.append(GIT_IGNORE, `\n${ZOS_SESSION_PATH}\n`);
    }
  }
};

function describe(session) {
  return _lodash2.default.compact([session.network && `network ${session.network}`, session.from && `sender address ${session.from}`, session.timeout && `timeout ${session.timeout} seconds`]).join(', ') || 'no options';
}

exports.default = Session;