merkle-btree/es/RAMStorage.js

Content-addressed b-tree

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

import { randomBytes } from 'crypto';

var RAMStorage = function () {
  function RAMStorage() {
    _classCallCheck(this, RAMStorage);

    this.storage = {};
  }

  RAMStorage.prototype.put = function put(value) {
    var _this = this;

    return new Promise(function (resolve) {
      randomBytes(32, function (err, buffer) {
        var key = buffer.toString('base64');
        _this.storage[key] = value;
        resolve(key);
      });
    });
  };

  RAMStorage.prototype.get = function get(key) {
    var _this2 = this;

    return new Promise(function (resolve) {
      resolve(_this2.storage[key]);
    });
  };

  RAMStorage.prototype.remove = function remove(key) {
    var _this3 = this;

    return new Promise(function (resolve) {
      delete _this3.storage[key];
      resolve();
    });
  };

  RAMStorage.prototype.clear = function clear() {
    var _this4 = this;

    return new Promise(function (resolve) {
      _this4.storage = {};
      resolve();
    });
  };

  return RAMStorage;
}();

export default RAMStorage;