added env

.babelrc

@@ -1,5 +1,6 @@
 {
   "presets": [
+    ["env", { "useBuiltIns": true  }],
     "stage-2"
   ]
 }

dist/contractLoader.js

@@ -1,22 +1,71 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _createClass = 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); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
+
+var _truffleContract = require('truffle-contract');
+
+var _truffleContract2 = _interopRequireDefault(_truffleContract);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
 function _asyncToGenerator(fn) { return function () { var gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; }
 
-import TruffleContract from 'truffle-contract';
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
 
-const contracts = [];
+var contracts = [];
 
-export default class ContractLoader {
-    static _doLoad(what, where, provider) {
-        return _asyncToGenerator(function* () {
-            // console.log("Loading", what, "from", where)
-            const artifact = require(`@oceanprotocol/keeper-contracts/artifacts/${what}.${where}`);
-            const contract = TruffleContract(artifact);
-            contract.setProvider(provider);
-            contracts[what] = yield contract.at(artifact.address);
-            return contracts[what];
-        })();
+var ContractLoader = function () {
+    function ContractLoader() {
+        _classCallCheck(this, ContractLoader);
     }
 
-    static load(what, where, provider) {
-        return contracts[what] || ContractLoader._doLoad(what, where, provider);
-    }
-}
+    _createClass(ContractLoader, null, [{
+        key: '_doLoad',
+        value: function () {
+            var _ref = _asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(what, where, provider) {
+                var artifact, contract;
+                return regeneratorRuntime.wrap(function _callee$(_context) {
+                    while (1) {
+                        switch (_context.prev = _context.next) {
+                            case 0:
+                                // console.log("Loading", what, "from", where)
+                                artifact = require('@oceanprotocol/keeper-contracts/artifacts/' + what + '.' + where);
+                                contract = (0, _truffleContract2.default)(artifact);
+
+                                contract.setProvider(provider);
+                                _context.next = 5;
+                                return contract.at(artifact.address);
+
+                            case 5:
+                                contracts[what] = _context.sent;
+                                return _context.abrupt('return', contracts[what]);
+
+                            case 7:
+                            case 'end':
+                                return _context.stop();
+                        }
+                    }
+                }, _callee, this);
+            }));
+
+            function _doLoad(_x, _x2, _x3) {
+                return _ref.apply(this, arguments);
+            }
+
+            return _doLoad;
+        }()
+    }, {
+        key: 'load',
+        value: function load(what, where, provider) {
+            return contracts[what] || ContractLoader._doLoad(what, where, provider);
+        }
+    }]);
+
+    return ContractLoader;
+}();
+
+exports.default = ContractLoader;

dist/ocean-agent.js

@@ -1,31 +1,55 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _createClass = 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); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
 /* global fetch */
 
-export default class OceanAgent {
-    constructor(connectionUrl) {
+var OceanAgent = function () {
+    function OceanAgent(connectionUrl) {
+        _classCallCheck(this, OceanAgent);
+
         this.assetsUrl = connectionUrl + '/assets';
     }
 
-    getAssetsMetadata() {
-        return fetch(this.assetsUrl + '/metadata', { method: 'GET' }).then(res => res.json()).then(data => JSON.parse(data));
-    }
-
-    publishDataAsset(asset) {
-        return fetch(this.assetsUrl + '/metadata', {
-            method: 'POST',
-            body: JSON.stringify(asset),
-            headers: { 'Content-type': 'application/json' }
-        }).then(response => {
-            console.log('Success:', response);
-            if (response.ok) {
+    _createClass(OceanAgent, [{
+        key: 'getAssetsMetadata',
+        value: function getAssetsMetadata() {
+            return fetch(this.assetsUrl + '/metadata', { method: 'GET' }).then(function (res) {
+                return res.json();
+            }).then(function (data) {
+                return JSON.parse(data);
+            });
+        }
+    }, {
+        key: 'publishDataAsset',
+        value: function publishDataAsset(asset) {
+            return fetch(this.assetsUrl + '/metadata', {
+                method: 'POST',
+                body: JSON.stringify(asset),
+                headers: { 'Content-type': 'application/json' }
+            }).then(function (response) {
                 console.log('Success:', response);
-                return true;
-            }
-            console.log('Failed: ', response.status, response.statusText);
-            return false;
-            // throw new Error(response.statusText ? response.statusText : `publish asset failed with status ${response.status}`)
-        }).catch(error => {
-            console.log(`Publish asset to ocean database could not be completed: ${error.message()}`);
-            return false;
-        });
-    }
-}
+                if (response.ok) {
+                    console.log('Success:', response);
+                    return true;
+                }
+                console.log('Failed: ', response.status, response.statusText);
+                return false;
+                // throw new Error(response.statusText ? response.statusText : `publish asset failed with status ${response.status}`)
+            }).catch(function (error) {
+                console.log('Publish asset to ocean database could not be completed: ' + error.message());
+                return false;
+            });
+        }
+    }]);
+
+    return OceanAgent;
+}();
+
+exports.default = OceanAgent;

dist/ocean-keeper.js

@@ -1,193 +1,372 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
 var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };
 
+var _createClass = 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); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
+
+var _web = require('web3');
+
+var _web2 = _interopRequireDefault(_web);
+
+var _contractLoader = require('./contractLoader');
+
+var _contractLoader2 = _interopRequireDefault(_contractLoader);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
 function _asyncToGenerator(fn) { return function () { var gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; }
 
-import Web3 from 'web3';
-import ContractLoader from "./contractLoader";
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
 
-const DEFAULT_GAS = 300000;
+var DEFAULT_GAS = 300000;
 
-export default class OceanKeeper {
-    constructor(uri, network) {
-        const web3Provider = new Web3.providers.HttpProvider(uri);
-        this.web3 = new Web3(web3Provider);
+var OceanKeeper = function () {
+    function OceanKeeper(uri, network) {
+        _classCallCheck(this, OceanKeeper);
+
+        var web3Provider = new _web2.default.providers.HttpProvider(uri);
+        this.web3 = new _web2.default(web3Provider);
         this.defaultGas = DEFAULT_GAS;
         this.network = network || 'development';
     }
 
-    initContracts() {
-        var _this = this;
+    _createClass(OceanKeeper, [{
+        key: 'initContracts',
+        value: function () {
+            var _ref = _asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee() {
+                return regeneratorRuntime.wrap(function _callee$(_context) {
+                    while (1) {
+                        switch (_context.prev = _context.next) {
+                            case 0:
+                                _context.next = 2;
+                                return _contractLoader2.default.load('OceanToken', this.network, this.web3.currentProvider);
 
-        return _asyncToGenerator(function* () {
-            _this.oceanToken = yield ContractLoader.load('OceanToken', _this.network, _this.web3.currentProvider);
-            _this.oceanMarket = yield ContractLoader.load('OceanMarket', _this.network, _this.web3.currentProvider);
-            _this.oceanAuth = yield ContractLoader.load('OceanAuth', _this.network, _this.web3.currentProvider);
+                            case 2:
+                                this.oceanToken = _context.sent;
+                                _context.next = 5;
+                                return _contractLoader2.default.load('OceanMarket', this.network, this.web3.currentProvider);
 
-            return {
-                oceanToken: _this.oceanToken,
-                oceanMarket: _this.oceanMarket,
-                oceanAuth: _this.oceanAuth
-            };
-        })();
-    }
+                            case 5:
+                                this.oceanMarket = _context.sent;
+                                _context.next = 8;
+                                return _contractLoader2.default.load('OceanAuth', this.network, this.web3.currentProvider);
 
-    // web3 wrappers
-    sign(accountAddress, message) {
-        return this.web3.eth.sign(accountAddress, message);
-    }
+                            case 8:
+                                this.oceanAuth = _context.sent;
+                                return _context.abrupt('return', {
+                                    oceanToken: this.oceanToken,
+                                    oceanMarket: this.oceanMarket,
+                                    oceanAuth: this.oceanAuth
+                                });
 
-    getMessageHash(message) {
-        return this.web3.sha3(`\x19Ethereum Signed Message:\n${message.length}${message}`);
-    }
-
-    // call functions (costs no gas)
-    checkAsset(assetId) {
-        return this.oceanMarket.checkAsset(assetId);
-    }
-
-    getBalance(accountAddress) {
-        return this.oceanToken.balanceOf.call(accountAddress);
-    }
-
-    getAssetPrice(assetId) {
-        return this.oceanMarket.getAssetPrice(assetId).then(price => price.toNumber());
-    }
-
-    getOrderStatus(orderId) {
-        return this.oceanAuth.statusOfAccessRequest(orderId);
-    }
-
-    verifyOrderPayment(orderId) {
-        return this.oceanMarket.verifyPaymentReceived(orderId);
-    }
-
-    getEncryptedAccessToken(orderId, senderAddress) {
-        return this.oceanAuth.getEncryptedAccessToken(orderId, { from: senderAddress });
-    }
-
-    getConsumerOrders(consumerAddress) {
-        var _this2 = this;
-
-        return _asyncToGenerator(function* () {
-            let accessConsentEvent = _this2.oceanAuth.AccessConsentRequested({ _consumer: consumerAddress }, {
-                fromBlock: 0,
-                toBlock: 'latest'
-            });
-
-            let _resolve = null;
-            let _reject = null;
-            const promise = new Promise(function (resolve, reject) {
-                _resolve = resolve;
-                _reject = reject;
-            });
-
-            const getEvents = function () {
-                accessConsentEvent.get(function (error, logs) {
-                    if (error) {
-                        _reject(error);
-                        throw new Error(error);
-                    } else {
-                        _resolve(logs);
+                            case 10:
+                            case 'end':
+                                return _context.stop();
+                        }
                     }
-                });
-                return promise;
-            };
-            const events = yield getEvents().then(function (events) {
-                return events;
-            });
-            // let orders = await this.buildOrdersFromEvents(events, consumerAddress).then((result) => result)
-            let orders = events.filter(function (obj) {
-                return obj.args._consumer === consumerAddress;
-            }).map((() => {
-                var _ref = _asyncToGenerator(function* (event) {
-                    return _extends({}, event.args, {
-                        timeout: event.args._timeout.toNumber(),
-                        status: yield _this2.getOrderStatus(event.args._id).then(function (status) {
-                            return status.toNumber();
-                        }),
-                        paid: yield _this2.verifyOrderPayment(event.args._id).then(function (received) {
-                            return received;
-                        }),
-                        key: null
-                    });
-                });
+                }, _callee, this);
+            }));
 
-                return function (_x) {
-                    return _ref.apply(this, arguments);
-                };
-            })());
-            console.debug('got orders: ', orders);
-            return orders;
-        })();
-    }
+            function initContracts() {
+                return _ref.apply(this, arguments);
+            }
 
-    // Transactions with gas cost
-    requestTokens(senderAddress, numTokens) {
-        return this.oceanMarket.requestTokens(numTokens, { from: senderAddress });
-    }
+            return initContracts;
+        }()
 
-    registerDataAsset(name, description, price, publisherAddress) {
-        var _this3 = this;
+        // web3 wrappers
 
-        return _asyncToGenerator(function* () {
-            const assetId = yield _this3.oceanMarket.generateId(name + description);
-            const result = yield _this3.oceanMarket.register(assetId, price, { from: publisherAddress, gas: _this3.defaultGas });
-            console.log('registered: ', result);
-            return assetId;
-        })();
-    }
+    }, {
+        key: 'sign',
+        value: function sign(accountAddress, message) {
+            return this.web3.eth.sign(accountAddress, message);
+        }
+    }, {
+        key: 'getMessageHash',
+        value: function getMessageHash(message) {
+            return this.web3.sha3('\x19Ethereum Signed Message:\n' + message.length + message);
+        }
 
-    sendPayment(assetId, order, publisherAddress, senderAddress) {
-        var _this4 = this;
+        // call functions (costs no gas)
 
-        return _asyncToGenerator(function* () {
-            let assetPrice = yield _this4.oceanMarket.getAssetPrice(assetId).then(function (price) {
+    }, {
+        key: 'checkAsset',
+        value: function checkAsset(assetId) {
+            return this.oceanMarket.checkAsset(assetId);
+        }
+    }, {
+        key: 'getBalance',
+        value: function getBalance(accountAddress) {
+            return this.oceanToken.balanceOf.call(accountAddress);
+        }
+    }, {
+        key: 'getAssetPrice',
+        value: function getAssetPrice(assetId) {
+            return this.oceanMarket.getAssetPrice(assetId).then(function (price) {
                 return price.toNumber();
             });
-            _this4.oceanMarket.sendPayment(order.id, publisherAddress, assetPrice, order.timeout, {
-                from: senderAddress,
-                gas: 2000000
-            });
-        })();
-    }
+        }
+    }, {
+        key: 'getOrderStatus',
+        value: function getOrderStatus(orderId) {
+            return this.oceanAuth.statusOfAccessRequest(orderId);
+        }
+    }, {
+        key: 'verifyOrderPayment',
+        value: function verifyOrderPayment(orderId) {
+            return this.oceanMarket.verifyPaymentReceived(orderId);
+        }
+    }, {
+        key: 'getEncryptedAccessToken',
+        value: function getEncryptedAccessToken(orderId, senderAddress) {
+            return this.oceanAuth.getEncryptedAccessToken(orderId, { from: senderAddress });
+        }
+    }, {
+        key: 'getConsumerOrders',
+        value: function () {
+            var _ref2 = _asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee3(consumerAddress) {
+                var _this = this;
 
-    cancelAccessRequest(orderId, senderAddress) {
-        return this.oceanAuth.cancelAccessRequest(orderId, { from: senderAddress });
-    }
+                var accessConsentEvent, _resolve, _reject, promise, getEvents, events, orders;
 
-    orchestrateResourcePurchase(assetId, publisherId, price, privateKey, publicKey, timeout, senderAddress, initialRequestEventHandler, accessCommittedEventHandler, tokenPublishedEventHandler) {
-        const { oceanToken, oceanMarket, oceanAuth } = this;
-        // Allow OceanMarket contract to transfer funds on the consumer's behalf
-        oceanToken.approve(oceanMarket.address, price, { from: senderAddress, gas: 2000000 });
-        // Submit the access request
-        oceanAuth.initiateAccessRequest(assetId, publisherId, publicKey, timeout, { from: senderAddress, gas: 1000000 });
+                return regeneratorRuntime.wrap(function _callee3$(_context3) {
+                    while (1) {
+                        switch (_context3.prev = _context3.next) {
+                            case 0:
+                                accessConsentEvent = this.oceanAuth.AccessConsentRequested({ _consumer: consumerAddress }, {
+                                    fromBlock: 0,
+                                    toBlock: 'latest'
+                                });
+                                _resolve = null;
+                                _reject = null;
+                                promise = new Promise(function (resolve, reject) {
+                                    _resolve = resolve;
+                                    _reject = reject;
+                                });
 
-        const resourceFilter = { _resourceId: assetId, _consumer: senderAddress };
-        const initRequestEvent = oceanAuth.AccessConsentRequested(resourceFilter);
-        let order = {};
-        this._listenOnce(initRequestEvent, 'AccessConsentRequested', (result, error) => {
-            order = initialRequestEventHandler(result, error);
-            const requestIdFilter = { _id: order.id };
-            const accessCommittedEvent = oceanAuth.AccessRequestCommitted(requestIdFilter);
-            const tokenPublishedEvent = oceanAuth.EncryptedTokenPublished(requestIdFilter);
-            this._listenOnce(accessCommittedEvent, 'AccessRequestCommitted', (result, error) => {
-                accessCommittedEventHandler(result, order, error);
-            });
-            this._listenOnce(tokenPublishedEvent, 'EncryptedTokenPublished', (result, error) => {
-                tokenPublishedEventHandler(result, order, error);
-            });
-        });
-        return order;
-    }
+                                getEvents = function getEvents() {
+                                    accessConsentEvent.get(function (error, logs) {
+                                        if (error) {
+                                            _reject(error);
+                                            throw new Error(error);
+                                        } else {
+                                            _resolve(logs);
+                                        }
+                                    });
+                                    return promise;
+                                };
 
-    // Helper functions (private)
-    _listenOnce(event, eventName, callback) {
-        event.watch((error, result) => {
-            event.stopWatching();
-            if (error) {
-                console.log(`Error in keeper ${eventName} event: `, error);
+                                _context3.next = 7;
+                                return getEvents().then(function (events) {
+                                    return events;
+                                });
+
+                            case 7:
+                                events = _context3.sent;
+
+                                // let orders = await this.buildOrdersFromEvents(events, consumerAddress).then((result) => result)
+                                orders = events.filter(function (obj) {
+                                    return obj.args._consumer === consumerAddress;
+                                }).map(function () {
+                                    var _ref3 = _asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee2(event) {
+                                        return regeneratorRuntime.wrap(function _callee2$(_context2) {
+                                            while (1) {
+                                                switch (_context2.prev = _context2.next) {
+                                                    case 0:
+                                                        _context2.t0 = _extends;
+                                                        _context2.t1 = {};
+                                                        _context2.t2 = event.args;
+                                                        _context2.t3 = event.args._timeout.toNumber();
+                                                        _context2.next = 6;
+                                                        return _this.getOrderStatus(event.args._id).then(function (status) {
+                                                            return status.toNumber();
+                                                        });
+
+                                                    case 6:
+                                                        _context2.t4 = _context2.sent;
+                                                        _context2.next = 9;
+                                                        return _this.verifyOrderPayment(event.args._id).then(function (received) {
+                                                            return received;
+                                                        });
+
+                                                    case 9:
+                                                        _context2.t5 = _context2.sent;
+                                                        _context2.t6 = {
+                                                            timeout: _context2.t3,
+                                                            status: _context2.t4,
+                                                            paid: _context2.t5,
+                                                            key: null
+                                                        };
+                                                        return _context2.abrupt('return', (0, _context2.t0)(_context2.t1, _context2.t2, _context2.t6));
+
+                                                    case 12:
+                                                    case 'end':
+                                                        return _context2.stop();
+                                                }
+                                            }
+                                        }, _callee2, _this);
+                                    }));
+
+                                    return function (_x2) {
+                                        return _ref3.apply(this, arguments);
+                                    };
+                                }());
+
+                                console.debug('got orders: ', orders);
+                                return _context3.abrupt('return', orders);
+
+                            case 11:
+                            case 'end':
+                                return _context3.stop();
+                        }
+                    }
+                }, _callee3, this);
+            }));
+
+            function getConsumerOrders(_x) {
+                return _ref2.apply(this, arguments);
             }
-            callback(result, error);
-        });
-    }
-}
+
+            return getConsumerOrders;
+        }()
+
+        // Transactions with gas cost
+
+    }, {
+        key: 'requestTokens',
+        value: function requestTokens(senderAddress, numTokens) {
+            return this.oceanMarket.requestTokens(numTokens, { from: senderAddress });
+        }
+    }, {
+        key: 'registerDataAsset',
+        value: function () {
+            var _ref4 = _asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee4(name, description, price, publisherAddress) {
+                var assetId, result;
+                return regeneratorRuntime.wrap(function _callee4$(_context4) {
+                    while (1) {
+                        switch (_context4.prev = _context4.next) {
+                            case 0:
+                                _context4.next = 2;
+                                return this.oceanMarket.generateId(name + description);
+
+                            case 2:
+                                assetId = _context4.sent;
+                                _context4.next = 5;
+                                return this.oceanMarket.register(assetId, price, { from: publisherAddress, gas: this.defaultGas });
+
+                            case 5:
+                                result = _context4.sent;
+
+                                console.log('registered: ', result);
+                                return _context4.abrupt('return', assetId);
+
+                            case 8:
+                            case 'end':
+                                return _context4.stop();
+                        }
+                    }
+                }, _callee4, this);
+            }));
+
+            function registerDataAsset(_x3, _x4, _x5, _x6) {
+                return _ref4.apply(this, arguments);
+            }
+
+            return registerDataAsset;
+        }()
+    }, {
+        key: 'sendPayment',
+        value: function () {
+            var _ref5 = _asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee5(assetId, order, publisherAddress, senderAddress) {
+                var assetPrice;
+                return regeneratorRuntime.wrap(function _callee5$(_context5) {
+                    while (1) {
+                        switch (_context5.prev = _context5.next) {
+                            case 0:
+                                _context5.next = 2;
+                                return this.oceanMarket.getAssetPrice(assetId).then(function (price) {
+                                    return price.toNumber();
+                                });
+
+                            case 2:
+                                assetPrice = _context5.sent;
+
+                                this.oceanMarket.sendPayment(order.id, publisherAddress, assetPrice, order.timeout, {
+                                    from: senderAddress,
+                                    gas: 2000000
+                                });
+
+                            case 4:
+                            case 'end':
+                                return _context5.stop();
+                        }
+                    }
+                }, _callee5, this);
+            }));
+
+            function sendPayment(_x7, _x8, _x9, _x10) {
+                return _ref5.apply(this, arguments);
+            }
+
+            return sendPayment;
+        }()
+    }, {
+        key: 'cancelAccessRequest',
+        value: function cancelAccessRequest(orderId, senderAddress) {
+            return this.oceanAuth.cancelAccessRequest(orderId, { from: senderAddress });
+        }
+    }, {
+        key: 'orchestrateResourcePurchase',
+        value: function orchestrateResourcePurchase(assetId, publisherId, price, privateKey, publicKey, timeout, senderAddress, initialRequestEventHandler, accessCommittedEventHandler, tokenPublishedEventHandler) {
+            var _this2 = this;
+
+            var oceanToken = this.oceanToken,
+                oceanMarket = this.oceanMarket,
+                oceanAuth = this.oceanAuth;
+            // Allow OceanMarket contract to transfer funds on the consumer's behalf
+
+            oceanToken.approve(oceanMarket.address, price, { from: senderAddress, gas: 2000000 });
+            // Submit the access request
+            oceanAuth.initiateAccessRequest(assetId, publisherId, publicKey, timeout, { from: senderAddress, gas: 1000000 });
+
+            var resourceFilter = { _resourceId: assetId, _consumer: senderAddress };
+            var initRequestEvent = oceanAuth.AccessConsentRequested(resourceFilter);
+            var order = {};
+            this._listenOnce(initRequestEvent, 'AccessConsentRequested', function (result, error) {
+                order = initialRequestEventHandler(result, error);
+                var requestIdFilter = { _id: order.id };
+                var accessCommittedEvent = oceanAuth.AccessRequestCommitted(requestIdFilter);
+                var tokenPublishedEvent = oceanAuth.EncryptedTokenPublished(requestIdFilter);
+                _this2._listenOnce(accessCommittedEvent, 'AccessRequestCommitted', function (result, error) {
+                    accessCommittedEventHandler(result, order, error);
+                });
+                _this2._listenOnce(tokenPublishedEvent, 'EncryptedTokenPublished', function (result, error) {
+                    tokenPublishedEventHandler(result, order, error);
+                });
+            });
+            return order;
+        }
+
+        // Helper functions (private)
+
+    }, {
+        key: '_listenOnce',
+        value: function _listenOnce(event, eventName, callback) {
+            event.watch(function (error, result) {
+                event.stopWatching();
+                if (error) {
+                    console.log('Error in keeper ' + eventName + ' event: ', error);
+                }
+                callback(result, error);
+            });
+        }
+    }]);
+
+    return OceanKeeper;
+}();
+
+exports.default = OceanKeeper;

dist/squid.js

@@ -1,4 +1,19 @@
-import OceanAgent from './ocean-agent';
-import OceanKeeper from './ocean-keeper';
+'use strict';
 
-export { OceanAgent, OceanKeeper };
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.OceanKeeper = exports.OceanAgent = undefined;
+
+var _oceanAgent = require('./ocean-agent');
+
+var _oceanAgent2 = _interopRequireDefault(_oceanAgent);
+
+var _oceanKeeper = require('./ocean-keeper');
+
+var _oceanKeeper2 = _interopRequireDefault(_oceanKeeper);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+exports.OceanAgent = _oceanAgent2.default;
+exports.OceanKeeper = _oceanKeeper2.default;