@colony/purser-metamask/validators.js

A javascript library to interact with a Metamask based Ethereum wallet

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = exports.validateMetamaskState = void 0;

var _typeof2 = _interopRequireDefault(require("@babel/runtime/helpers/typeof"));

var _messages = require("./messages");

/**
 * Validate Metamask's internal state object.
 * Basically, it checks for important props to be there.
 *
 * @method validateMetamaskState
 *
 * @param {Object} stateObject State object who's props to check
 *
 * @return {boolean} Throws if object is not valid. If it's all good, it returns true.
 */
var validateMetamaskState = function validateMetamaskState(stateObject) {
  if (!stateObject || (0, _typeof2.default)(stateObject) !== 'object') {
    throw new Error(_messages.validators.noState);
  }

  if (!stateObject.selectedAddress) {
    throw new Error(_messages.validators.noStateAddress);
  }

  if (!stateObject.networkVersion) {
    throw new Error(_messages.validators.noStateNetwork);
  }

  return true;
};

exports.validateMetamaskState = validateMetamaskState;
var metamaskValidators = {
  validateMetamaskState: validateMetamaskState
};
var _default = metamaskValidators;
exports.default = _default;