test-triam-base-contract/lib/operations/call_contract.js

Low level triam smart cotnract support library

"use strict";

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

var _stellarXdr_generated = require("../generated/stellar-xdr_generated");

var _stellarXdr_generated2 = _interopRequireDefault(_stellarXdr_generated);

var _keypair = require("../keypair");

var _strkey = require("../strkey");

var _clone = require("lodash/clone");

var _clone2 = _interopRequireDefault(_clone);

var _isUndefined = require("lodash/isUndefined");

var _isUndefined2 = _interopRequireDefault(_isUndefined);

var _isString = require("lodash/isString");

var _isString2 = _interopRequireDefault(_isString);

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

/**
 * Call a contract operation.
 * @function
 * @alias Operation.callContract
 * @param {object} opts
 * @param {string} opts.contractId - Contract account ID.

 * @param {object} opts.data - Address of contract
 * @param {string} [opts.data.funcName] - function name
 * @param {string|Buffer} [opts.data.contractParams] - params of contract functions
 * 
 * @returns {xdr.CallContractOp}
 */
var callContract = exports.callContract = function callContract(opts) {
  if (!_strkey.StrKey.isValidContractKey(opts.contractId)) {
    throw new Error("contract is invalid");
  }

  var attributes = {};
  attributes.contractId = _keypair.Keypair.fromContractKey(opts.contractId).xdrContractId();
  //-----------------------

  if (!(0, _isUndefined2.default)(opts.data.funcName) && !(0, _isString2.default)(opts.data.funcName)) {
    throw new TypeError('funcName argument must be of type String');
  }

  if (!(0, _isString2.default)(opts.data.contractParams) && !Buffer.isBuffer(opts.data.contractParams) && opts.data.contractParams !== null) {
    throw new Error("contractParams must be a string, Buffer or null");
  }

  if ((0, _isString2.default)(opts.data.contractParams)) {
    opts.data.contractParams = Buffer.from(opts.data.contractParams);
  }

  attributes.data = new _stellarXdr_generated2.default.ContractInput(opts.data);
  attributes.contrOps = [];
  attributes.errFlag = 0;
  //-----------------------

  var callContract = new _stellarXdr_generated2.default.CallContractOp(attributes);

  var opAttributes = {};
  opAttributes.body = _stellarXdr_generated2.default.OperationBody.callContract(callContract);
  this.setSourceAccount(opAttributes, opts);

  return new _stellarXdr_generated2.default.Operation(opAttributes);
};