「深度学习福利」大神带你进阶工程师，立即查看>>> /* * @param {org.example.mynetwork.SetupDemo} setupDemo * @transaction */ async function initializationFun(setupDemo) { const NS = "org.example.mynetwork"; const factory = getFactory(); //创建三个参与者 var zhangsan = factory.newResource(NS, "Person", 'zhangsan001') zhangsan.name = "张三"; zhangsan.balance = 100; var lisi = factory.newResource(NS, "Person", 'lisi') lisi.name = "李四"; lisi.balance = 100; var wangwu = factory.newResource(NS, "Person", 'wangwu') wangwu.name = "王五"; wangwu.balance = 100; const partRegistry = await getParticipantRegistry(NS+'.Person') await partRegistry.add(zhangsan); await partRegistry.add(lisi); await partRegistry.add(wangwu); //创建资产 var car = factory.newResource(NS, "Car", '川A0001') car.personId = zhangsan.id; car.color = "red" const assetRegistry = await getAssetRegistry(NS+'.Car'); await assetRegistry.add(car) } /** * Sample transaction transaction TransactionCar{ * @param {org.example.mynetwork.TransactionCar} transactionCar * @transaction */ async function transactionCarFun(transactionCar){ const NS = "org.example.mynetwork"; const from = transactionCar.from; const to = transactionCar.to; const price = transactionCar.price; from.balance = from.balance + price; to.balance = to.balance - price; const partRegistry = await getParticipantRegistry(NS+'.Person') await partRegistry.update(from); await partRegistry.update(to); debugger const car = transactionCar.car; car.personId = to.id; if(!car.transactionCars){ car.transactionCars = [] } car.transactionCars.push(transactionCar) const assetRegistry = await getAssetRegistry(NS+".Car"); await assetRegistry.update(car); }

/** * Write your model definitions here */ namespace org.example.mynetwork participant SampleParticipant identified by participantId { o String participantId o String firstName o String lastName } asset SampleAsset identified by assetId { o String assetId --> SampleParticipant owner o String value } transaction SampleTransaction { --> SampleAsset asset o String newValue } event SampleEvent { --> SampleAsset asset o String oldValue o String newValue } participant Person identified by id { o String id o String name o Double balance } abstract asset Vehicle identified by licensePlate { o String licensePlate o String color } asset Car extends Vehicle { o String personId o TransactionCar[] transactionCars optional } transaction SetupDemo {} transaction TransactionCar{ o Double price o String car o String from o String to }

/* * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /** * Sample access control list. */ rule Default { description: "Allow all participants access to all resources" participant: "ANY" operation: ALL resource: "org.example.mynetwork.*" action: ALLOW } rule SystemACL { description: "System ACL to permit all access" participant: "org.hyperledger.composer.system.Participant" operation: ALL resource: "org.hyperledger.composer.system.**" action: ALLOW } rule NetworkAdminUser { description: "Grant business network administrators full access to user resources" participant: "org.hyperledger.composer.system.NetworkAdmin" operation: ALL resource: "**" action: ALLOW } rule NetworkAdminSystem { description: "Grant business network administrators full access to system resources" participant: "org.hyperledger.composer.system.NetworkAdmin" operation: ALL resource: "org.hyperledger.composer.system.**" action: ALLOW } { "$class": "org.example.mynetwork.TransactionCar", "price": 10, "car": "川A0001", "from": "zhangsan001", "to": "lisi" }