我有个问题。我正在使用Hyperledger Composer Playground，我正在使用事务SetupDemo进行测试。但是现在每次我使用SetupDemo运行测试时，我必须单独删除创建的参与者和资产。
是否有可能（一个函数或某个函数）一次删除所有这些？
谢谢你的帮助！！
是的我可以添加我的代码。我以“车辆制造商 - 生命周期”为例，现在我正在更改变量名称。
这是我的模型文件。重要的部分是第一部分（第一部分和资产）
namespace org.master
// BASE DEFINTIONS
concept MaterialDetails {
--> Manufacturer make
o String materialName
o String materialColour
o Double amount
}
asset Material identified by materialId {
o String materialId
o MaterialDetails materialDetails
--> Person owner optional
}
concept ModuleDetails {
--> Manufacturer make
o String moduleName
o Double amount
}
asset Module identified by moduleId {
o String moduleId
o ModuleDetails moduleDetails
--> Person owner optional
}
abstract participant Company identified by companyId {
o String companyId
o String name
}
participant Person identified by username {
o String username
o String email optional
}
// MANUFACTURE DEFINITIONS
participant Manufacturer extends Company {
}
participant Producer extends Company {
}
enum OrderStatus {
o PLACED
o SCHEDULED_FOR_MANUFACTURE
o VIN_ASSIGNED
o OWNER_ASSIGNED
o DELIVERED
}
concept Options {
o String trim
o String interior
o String[] extras
}
asset Order identified by orderId {
o String orderId
o MaterialDetails materialDetails
o OrderStatus orderStatus
o Options options
--> Person orderer
}
transaction PlaceOrder {
o String orderId
o MaterialDetails materialDetails
o Options options
--> Person orderer
}
event PlaceOrderEvent {
o String orderId
o MaterialDetails materialDetails
o Options options
--> Person orderer
}
transaction UpdateOrderStatus {
o OrderStatus orderStatus
o String vin optional
--> Order order
}
event UpdateOrderStatusEvent {
o OrderStatus orderStatus
o Order order
}
// REGULATOR DEFINITIONS
participant Regulator extends Company {
}
这是我的脚本文件：
// DEMO SETUP FUNCTIONS
/**
* Create the participants to use in the demo
* @param {org.master.SetupDemo} setupDemo - the SetupDemo transaction
* @transaction
*/
async function setupDemo() { // eslint-disable-line no-unused-vars
console.log('setupDemo');
const factory = getFactory();
const namespace = 'org.master';
let people = ['Paul'];
let materialSuppliers;
const materials = {
'MSLogistics': {
'Wire1': [
{
'materialId': 'W1',
'materialColour': 'Yellow',
'amount': 100
}
],
'Wire2': [
{
'materialId': 'W2',
'materialColour': 'Blue',
'amount': 100
}
],
'Wire3': [
{
'materialId': 'W3',
'materialColour': 'Black',
'amount': 100
}
]
},
'MSProduction': {
},
'MSQualityControl': {
}
};
// convert array names of people to be array of participant resources of type Person with identifier of that name
people = people.map(function (person) {
return factory.newResource(namespace, 'Person', person);
});
// create array of Manufacturer particpant resources identified by the top level keys in vehicles const
materialSuppliers = Object.keys(materials).map(function (manufacturer) {
const manufacturerResource = factory.newResource(namespace, 'Manufacturer', manufacturer);
manufacturerResource.name = manufacturer;
return manufacturerResource;
});
const regulator = factory.newResource(namespace, 'Regulator', 'VDA');
regulator.name = 'VDA';
// add the regulator
const regulatorRegistry = await getParticipantRegistry(namespace + '.Regulator');
await regulatorRegistry.add(regulator);
// add the manufacturers
const manufacturerRegistry = await getParticipantRegistry(namespace + '.Manufacturer');
await manufacturerRegistry.addAll(materialSuppliers);
// add the persons
const personRegistry = await getParticipantRegistry(namespace + '.Person');
await personRegistry.addAll(people);
// add the vehicles
const vehicleRegistry = await getAssetRegistry(namespace + '.Material');
const vehicleResources = [];
for (const manufacturer in materials) {
for (const model in materials[manufacturer]) {
const vehicconstemplatesForModel = materials[manufacturer][model];
vehicconstemplatesForModel.forEach(function(vehicconstemplate) {
const material = factory.newResource(namespace, 'Material', vehicconstemplate.materialId);
material.owner = people[vehicleResources.length+1];
material.materialDetails = factory.newConcept(namespace, 'MaterialDetails');
material.materialDetails.make = factory.newResource(namespace, 'Manufacturer', manufacturer);
material.materialDetails.materialName = model;
material.materialDetails.materialColour = vehicconstemplate.materialColour;
material.materialDetails.amount = vehicconstemplate.amount;
vehicleResources.push(material);
});
}
}
await vehicleRegistry.addAll(vehicleResources);
}
这是访问控制：
rule PersonMakeOrder {
description: "Allow Persons to create and view orders"
participant(p): "org.master.Person"
operation: CREATE
resource(o): "org.master.Order"
transaction(tx): "org.master.PlaceOrder"
condition: (o.orderer.getIdentifier() == p.getIdentifier())
action: ALLOW
}
rule PersonPlaceOrder {
description: "Allow Persons to place orders and view they've done this"
participant(p): "org.master.Person"
operation: CREATE, READ
resource(o): "org.master.PlaceOrder"
condition: (o.orderer.getIdentifier() == p.getIdentifier())
action: ALLOW
}
rule PersonReadOrder {
description: "Allow Persons to place orders and view they've done this"
participant(p): "org.master.Person"
operation: READ
resource(o): "org.master.Order"
condition: (o.orderer.getIdentifier() == p.getIdentifier())
action: ALLOW
}
rule ManufacturerUpdateOrder {
description: "Allow manufacturers to view and update their own orders"
participant(m): "org.master.Manufacturer"
operation: UPDATE
resource(o): "org.master.Order"
transaction(tx): "org.master.UpdateOrderStatus"
condition: (o.materialDetails.make.getIdentifier() == m.getIdentifier())
action: ALLOW
}
rule ManufacturerUpdateOrderStatus {
description: "Allow manufacturers to update order statuses and view they've done this"
participant(m): "org.master.Manufacturer"
operation: CREATE, READ
resource(o): "org.master.UpdateOrderStatus"
condition: (o.order.materialDetails.make.getIdentifier() == m.getIdentifier())
action: ALLOW
}
rule ManufacturerReadOrder {
description: "Allow manufacturers to view and update their own orders"
participant(m): "org.master.Manufacturer"
operation: READ
resource(o): "org.master.Order"
condition: (o.materialDetails.make.getIdentifier() == m.getIdentifier())
action: ALLOW
}
rule ManufacturerCreateVehicles {
description: "Allow manufacturers to create and view their vehicles"
participant(m): "org.master.Manufacturer"
operation: CREATE
resource(v): "org.master.Material"
transaction(tx): "org.master.UpdateOrderStatus"
condition: (v.materialDetails.make.getIdentifier() == m.getIdentifier() && tx.orderStatus == "VIN_ASSIGNED")
action: ALLOW
}
rule ManufacturerReadVehicles {
description: "Allow manufacturers to create and view their vehicles"
participant(m): "org.master.Manufacturer"
operation: READ
resource(v): "org.master.Material"
condition: (v.materialDetails.make.getIdentifier() == m.getIdentifier())
action: ALLOW
}
rule RegulatorAdminUser {
description: "Let the regulator do anything"
participant: "org.master.Regulator"
operation: ALL
resource: "**"
action: ALLOW
}
rule ParticipantsSeeSelves {
description: "Let participants see themselves"
participant(p): "org.hyperledger.composer.system.Participant"
operation: ALL
resource(r): "org.hyperledger.composer.system.Participant"
condition: (r.getIdentifier() == p.getIdentifier())
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 System {
description: "Grant all full access to system resources"
participant: "org.**"
operation: ALL
resource: "org.hyperledger.composer.system.**"
action: ALLOW
}