exonum-client/lib/types/generic.js

Light Client for Exonum Blockchain

"use strict";

function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

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

var crypto = _interopRequireWildcard(require("../crypto"));

var _helpers = require("../helpers");

function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function _getRequireWildcardCache() { return cache; }; return cache; }

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") { return { "default": obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj["default"] = obj; if (cache) { cache.set(obj, newObj); } return newObj; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

/**
 * @constructor
 * @param {Object} schema
 */
var Type = /*#__PURE__*/function () {
  function Type(schema) {
    _classCallCheck(this, Type);

    this.schema = schema;
  }
  /**
   * Serialize data into array of 8-bit integers
   * @param {Object} data
   * @returns {Uint8Array}
   */


  _createClass(Type, [{
    key: "serialize",
    value: function serialize(data) {
      var object = (0, _helpers.cleanZeroValuedFields)(data, {});
      return this.schema.encode(object).finish();
    }
    /**
     * Get SHA256 hash
     * @param {Object} data
     * @returns {string}
     */

  }, {
    key: "hash",
    value: function hash(data) {
      return crypto.hash(data, this);
    }
    /**
     * Get ED25519 signature
     * @param {string} secretKey
     * @param {Object} data
     * @returns {string}
     */

  }, {
    key: "sign",
    value: function sign(secretKey, data) {
      return crypto.sign(secretKey, data, this);
    }
    /**
     * Verifies ED25519 signature
     * @param {string} signature
     * @param {string} publicKey
     * @param {Object} data
     * @returns {boolean}
     */

  }, {
    key: "verifySignature",
    value: function verifySignature(signature, publicKey, data) {
      return crypto.verifySignature(signature, publicKey, data, this);
    }
  }]);

  return Type;
}();
/**
 * Create element of Type class
 * @param {Object} type
 * @returns {Type}
 */


function newType(type) {
  return new Type(type);
}
/**
 * Check if passed object is of type Type
 * @param {Object} type
 * @returns {boolean}
 */


function isType(type) {
  return type instanceof Type;
}