@colony/colony-js-contract-client/lib/classes/ContractMethodCaller.js

Method-like interface for Smart Contracts

'use strict';

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

var _regenerator = require('babel-runtime/regenerator');

var _regenerator2 = _interopRequireDefault(_regenerator);

var _asyncToGenerator2 = require('babel-runtime/helpers/asyncToGenerator');

var _asyncToGenerator3 = _interopRequireDefault(_asyncToGenerator2);

var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck');

var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);

var _possibleConstructorReturn2 = require('babel-runtime/helpers/possibleConstructorReturn');

var _possibleConstructorReturn3 = _interopRequireDefault(_possibleConstructorReturn2);

var _createClass2 = require('babel-runtime/helpers/createClass');

var _createClass3 = _interopRequireDefault(_createClass2);

var _inherits2 = require('babel-runtime/helpers/inherits');

var _inherits3 = _interopRequireDefault(_inherits2);

var _lodash = require('lodash.isplainobject');

var _lodash2 = _interopRequireDefault(_lodash);

var _ContractClient = require('./ContractClient');

var _ContractClient2 = _interopRequireDefault(_ContractClient);

var _ContractMethod2 = require('./ContractMethod');

var _ContractMethod3 = _interopRequireDefault(_ContractMethod2);

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

var ContractMethodCaller = function (_ContractMethod) {
  (0, _inherits3.default)(ContractMethodCaller, _ContractMethod);
  (0, _createClass3.default)(ContractMethodCaller, null, [{
    key: 'containsNullValues',
    value: function containsNullValues(values) {
      if ((0, _lodash2.default)(values)) return Object.values(values || {}).some(function (value) {
        return value === null;
      });
      return false;
    }
  }]);

  function ContractMethodCaller() {
    var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
        client = _ref.client,
        functionName = _ref.functionName,
        input = _ref.input,
        output = _ref.output,
        name = _ref.name,
        validateEmpty = _ref.validateEmpty;

    (0, _classCallCheck3.default)(this, ContractMethodCaller);

    var _this = (0, _possibleConstructorReturn3.default)(this, (ContractMethodCaller.__proto__ || Object.getPrototypeOf(ContractMethodCaller)).call(this, { client: client, name: name, functionName: functionName, input: input, output: output }));

    if (validateEmpty) _this._validateEmpty = validateEmpty;
    return _this;
  }

  (0, _createClass3.default)(ContractMethodCaller, [{
    key: 'validateEmpty',
    value: function () {
      var _ref2 = (0, _asyncToGenerator3.default)( /*#__PURE__*/_regenerator2.default.mark(function _callee(inputValues, outputValues) {
        var isValid, reason;
        return _regenerator2.default.wrap(function _callee$(_context) {
          while (1) {
            switch (_context.prev = _context.next) {
              case 0:
                if (!this._validateEmpty) {
                  _context.next = 14;
                  break;
                }

                isValid = false;
                reason = void 0;
                _context.prev = 3;
                _context.next = 6;
                return this._validateEmpty(inputValues, outputValues);

              case 6:
                isValid = _context.sent;
                _context.next = 12;
                break;

              case 9:
                _context.prev = 9;
                _context.t0 = _context['catch'](3);

                reason = _context.t0.message || _context.t0.toString();

              case 12:
                if (isValid) {
                  _context.next = 14;
                  break;
                }

                throw new Error('Empty response' + (reason ? ' (' + reason + ')' : ''));

              case 14:
                return _context.abrupt('return', true);

              case 15:
              case 'end':
                return _context.stop();
            }
          }
        }, _callee, this, [[3, 9]]);
      }));

      function validateEmpty(_x2, _x3) {
        return _ref2.apply(this, arguments);
      }

      return validateEmpty;
    }()

    /**
     * Given named input values, perform a call on the method's
     * contract function, and get named output values from the result.
     */

  }, {
    key: 'call',
    value: function () {
      var _ref3 = (0, _asyncToGenerator3.default)( /*#__PURE__*/_regenerator2.default.mark(function _callee2(inputValues) {
        var args, callResult, outputValues;
        return _regenerator2.default.wrap(function _callee2$(_context2) {
          while (1) {
            switch (_context2.prev = _context2.next) {
              case 0:
                args = this.getValidatedArgs(inputValues);
                _context2.next = 3;
                return this.client.call(this.functionName, args);

              case 3:
                callResult = _context2.sent;
                outputValues = this.convertOutputValues(callResult, inputValues);

                if (!this.constructor.containsNullValues(outputValues)) {
                  _context2.next = 8;
                  break;
                }

                _context2.next = 8;
                return this.validateEmpty(inputValues, outputValues);

              case 8:
                return _context2.abrupt('return', outputValues);

              case 9:
              case 'end':
                return _context2.stop();
            }
          }
        }, _callee2, this);
      }));

      function call(_x4) {
        return _ref3.apply(this, arguments);
      }

      return call;
    }()
  }]);
  return ContractMethodCaller;
}(_ContractMethod3.default);
/* eslint-disable import/no-cycle */

exports.default = ContractMethodCaller;
//# sourceMappingURL=ContractMethodCaller.js.map