区块链和物联网解决方案实用指南（二）（1）

apk del make gcc g++ python git

su -c "npm install -g passport-ldapauth" - composer && \

export COMPOSER_CARD=admin@interbancario
export COMPOSER_NAMESPACES=require
export COMPOSER_AUTHENTICATION=true
export COMPOSER_MULTIUSER=true

export COMPOSER_PROVIDERS='{
    "ldap": {
    "provider": "ldap",
    "authScheme": "ldap",
    "module": "passport-ldapauth",
    "authPath": "/auth/ldap",
    "successRedirect": “<redirection URL. will be overwritten by the property 'json: true'>”,
 "failureRedirect": "/?success=false",
 "session": true,
    "json": true,
    "LdapAttributeForLogin": “< CHANGE TO LOGIN ATTRIBUTE >",
    "LdapAttributeForUsername": "<CHANGE TO USERNAME ATTRIBUTE>",
      "server": {
      "url": “<URL DO LDAP>",
      "bindDN": “<DISTINGUISHED USER NAME FOR A SEARCH>",
      "bindCredentials": “<USER PASSWORD FOR A SEARCH>", 
      "searchBase": “<PATH WITH USERS LIST WILL BE STORED>",
      "searchFilter": "(uid={{username}})"
    }
  }
}'

TestValideteLastProcess:A Transaction named TestValideteLastProcess
UpdateOpportunityStatus: A Transaction named UpdateOpportunityStatus
Wallet:Business network cards for the authenticated user

curl -v http://localhost:3000/api/system/ping?access_token=xxxxx

curl -v -H 'X-Access-Token: xxxxx' http://localhost:3000/api/system/ping

// **
  * Sample business network definition.
  */
 namespace org.example.basic

asset SampleAsset identified by assetId {
   o String assetId
   --> SampleParticipant owner
   o Double value
 }
 participant SampleParticipant identified by participantId {
   o String participantId
   o String firstName
   o String lastName
 }

transaction SampleTransaction {
   --> SampleAsset origin
   --> SampleAsset target
     o Double txTransferAmount
 }
 event SampleEvent {
   --> SampleAsset origin
   --> SampleAsset target
     o Double txTransferAmount
 }

rule networkControlPermission {
  description:  "networkControl can access network commands"
  participant: "org.acme.foodchain.auction.networkControl"
  operation: READ, CREATE, UPDATE
  resource: "org.hyperledger.composer.system.Network"
  action: ALLOW  
}

rule SampleConditionalRuleWithTransaction {
    description: "Description of the ACL rule"
    participant(m): "org.foodchain..SampleParticipant"
    operation: ALL
    resource(v): "org.example.SampleAsset"
    transaction(tx): "org.example.SampleTransaction"
    condition: (v.owner.getIdentifier() == m.getIdentifier())
    action: ALLOW
}

Sample transaction processor function.
  * @param {org.example.basic.SampleTransaction} tx The sample transaction instance.
  * @transaction
  */
 async function sampleExchange(tx) {
 // Get the asset registry for the asset.
     const assetRegistry = await getAssetRegistry('org.example.basic.SampleAsset');
       //Ensure the balance is greather than the amount to be transfered
       if(tx.origin.value > tx.txTransferAmount) {
     //charge from receiver account
     tx.origin.value = (tx.origin.value - tx.txTransferAmount);
     //add to receiver account
     tx.target.value = (tx.target.value +  tx.txTransferAmount);
     // Update the asset in the asset registry.
     await assetRegistry.update(tx.origin);
     await assetRegistry.update(tx.target);
     // Emit an event for the modified asset.
     let event = getFactory().newEvent('org.example.basic', 'SampleEvent');
     event.origin = tx.origin;
 event.target = tx.target;
 event.txTransferAmount = tx.txTransferAmount;
 emit(event);
 }else{
 throw Error(`You do not have enough balance for this transaction:
 Balance US$: ${tx.origin.value} 
 Transfer Amount: ${tx.txTransferAmount}`);
 }
 }

$ yo hyperledger-composer
Welcome to the Hyperledger Composer project generator
? Please select the type of project: Business Network
You can run this generator using: 'yo hyperledger-composer:businessnetwork'
Welcome to the business network generator
? Business network name: food-safety-b10407
? Description: Hands-on IoT solutions with Blockchain
? Author name: Maximiliano and Enio
? Author email: max.santos@gmail.com
? License: Apache-2.0
? Namespace: com.packtpublishing.businessnetwork.foodsafety
? Do you want to generate an empty template network? Yes: generate an empty template network
   create package.json
   create README.md
   create models/com.packtpublishing.businessnetwork.cto
   create permissions.acl
   create .eslintrc.yml

// Tracking information when an asset arrives or leaves a location
enum LocationStatus {
 o ARRIVED
 o IN_TRANSIT
 o LEFT
}
// Location Types
enum LocationType {
 o FACTORY
 o WAREHOUSE
 o TRANSPORTER
 o STORE
}
// A measurement sent by the transporter sensor
concept Measurement {
 o DateTime date
 o Double value
}
// Check if it's in the factory, warehouse
concept Location {
 o DateTime date
 o LocationType location
 o String locationIdentifier
 o LocationStatus status
}

// Definition of a food box
asset FoodBox identified by foodBoxIdentifier {
 o String foodBoxIdentifier
 o Location[] assetTrackingInformation
 o Measurement[] measureTrackingInformation
 --> FoodSafetyParticipant  owner
}
// Definition of a pallet that groups food boxes
asset FoodBoxPallet identified by foodBoxPalletIdentifier {
 o String foodBoxPalletIdentifier
 --> FoodBox foodBoxInPallet
 o Location[] assetTrackingInformation 
 o Measurement[] measureTrackingInformation
 --> FoodSafetyParticipant  owner
}

abstract participant FoodSafetyParticipant identified by identifier {
 o String identifier
 o String name
}
participant FoodFactory extends FoodSafetyParticipant {
}
participant Warehouse extends FoodSafetyParticipant {
}
participant Transporter extends FoodSafetyParticipant {
}
participant Store extends FoodSafetyParticipant {
}
participant Consumer extends FoodSafetyParticipant {
}

rule Default {
    description: "Allow all participants access to all resources"
    participant: "ANY"
    operation: ALL
    resource: "com.packtpublishing.businessnetwork.foodsafety.**"
    action: ALLOW
}

$ composer archive create -t dir -n .
Creating Business Network Archive
Looking for package.json of Business Network Definition
    Input directory: /hands-on-iot-solutions-with-blockchain/ch7/food-safety-b10407
Found:
     Description: Hands-on IoT solutions with Blockchain
     Name: food-safety-b10407
     Identifier: food-safety-b10407@0.0.1
Written Business Network Definition Archive file to 
     Output file: food-safety-b10407@0.0.1.bna
Command succeeded

$ ~/fabric-dev-servers/createPeerAdminCard.sh 
Development only script for Hyperledger Fabric control
Running 'createPeerAdminCard.sh'
FABRIC_VERSION is unset, assuming hlfv12
FABRIC_START_TIMEOUT is unset, assuming 15 (seconds)
Using composer-cli at v0.20.4
Successfully created business network card file to 
    Output file: /tmp/PeerAdmin@hlfv1.card
Command succeeded
Successfully imported business network card
    Card file: /tmp/PeerAdmin@hlfv1.card
    Card name: PeerAdmin@hlfv1
Command succeeded
The following Business Network Cards are available:
Connection Profile: hlfv1
┌─────────────────┬───────────┬──────────────────┐
│ Card Name       │ UserId    │ Business Network │
├─────────────────┼───────────┼──────────────────┤
│ PeerAdmin@hlfv1 │ PeerAdmin │                  │
└─────────────────┴───────────┴──────────────────┘
Issue composer card list --card <Card Name> to get details a specific card
Command succeeded
Hyperledger Composer PeerAdmin card has been imported, host of fabric specified as 'localhost'

$ composer network install --card PeerAdmin@hlfv1 --archiveFile food-safety-b10407\@0.0.1.bna 
√ Installing business network. This may take a minute...
Successfully installed business network food-safety-b10407, version 0.0.1
Command succeeded
$ composer network start --networkName food-safety-b10407 --networkVersion 0.0.1 --networkAdmin admin --networkAdminEnrollSecret adminpw --card PeerAdmin@hlfv1 --file networkadmin.card
Starting business network food-safety-b10407 at version 0.0.1
Processing these Network Admins: 
userName: admin
√ Starting business network definition. This may take a minute...
Successfully created business network card:
Filename: networkadmin.card
Command succeeded

$ composer card import --file networkadmin.card
Successfully imported business network card
    Card file: networkadmin.card
    Card name: admin@food-safety-b10407
Command succeeded
$ composer network ping --card admin@food-safety-b10407
The connection to the network was successfully tested: food-safety-b10407
    Business network version: 0.0.1
    Composer runtime version: 0.20.4
    participant: org.hyperledger.composer.system.NetworkAdmin#admin
    identity: org.hyperledger.composer.system.Identity#f48a787ac40102cc7753336f8b15dd20fa3765e7b9049b2aeda4dcc3816d30c1
Command succeeded

transaction updateTransportationData {
  --> FoodBoxPallet pallet
  o Location locationInformation
  o Measurement measurementInformation
}

/**
 * Update pallets and boxes with measurements function.
 * @param {com.packtpublishing.businessnetwork.foodsafety.UpdateTransportationData} tx Update pallets and boxes with measurements.
 * @transaction
 */
async function updateTransportationData(tx) {
 // Get transaction parametes
 let newValue = tx.asset;
 let location = tx.locationInformation;
 let measurement = tx.measurementInformation;
 // Update Pallet data with measurements
 if( !newValue.assetTrackingInformation || newValue.assetTrackingInformation == undefined)
 newValue.assetTrackingInformation = [];
 if ( !newValue.measureTrackingInformation || newValue.measureTrackingInformation == undefined)
 newValue.measureTrackingInformation = [];
 newValue.assetTrackingInformation.push(location);
 newValue.measureTrackingInformation.push(measurement);
 // Update Boxes data with measurements
 let foodBox = newValue.foodBoxInPallet;
 if( !foodBox.assetTrackingInformation || foodBox.assetTrackingInformation == undefined)
 foodBox.assetTrackingInformation = [];
 if ( ! foodBox.measureTrackingInformation || foodBox.measureTrackingInformation == undefined)
 foodBox.measureTrackingInformation = [];
 foodBox.assetTrackingInformation.push(location); 
 foodBox.measureTrackingInformation.push(measurement);
// Get the asset registry for both assets.
 let assetRegistryFoodBoxPallet = await getAssetRegistry('com.packtpublishing.businessnetwork.foodsafety.FoodBoxPallet');
 let assetRegistryFoodBox = await getAssetRegistry('com.packtpublishing.businessnetwork.foodsafety.FoodBox');
 // Update the assets in the asset registry.
 await assetRegistryFoodBoxPallet.update(newValue);
 await assetRegistryFoodBox.update(foodBox);
}

$ composer participant add -c admin@food-safety-b10407 -d '{"$class":"com.packtpublishing.businessnetwork.foodsafety.Consumer","identifier":"5","name":"Consumer"}'
Participant was added to participant registry.
Command succeeded
$ composer participant add -c admin@food-safety-b10407 -d '{"$class":"com.packtpublishing.businessnetwork.foodsafety.Store","identifier":"4","name":"Store"}'
Participant was added to participant registry.
Command succeeded
$ composer participant add -c admin@food-safety-b10407 -d '{"$class":"com.packtpublishing.businessnetwork.foodsafety.Transporter","identifier":"2","name":"Transporter"}'
Participant was added to participant registry.
Command succeeded
$ composer participant add -c admin@food-safety-b10407 -d '{"$class":"com.packtpublishing.businessnetwork.foodsafety.Warehouse","identifier":"3","name":"Warehouse"}'
Participant was added to participant registry.
Command succeeded
$ composer participant add -c admin@food-safety-b10407 -d '{"$class":"com.packtpublishing.businessnetwork.foodsafety.FoodFactory","identifier":"1","name":"Factory"}'
Participant was added to participant registry.
Command succeeded

composer identity issue -c admin@food-safety-b10407 -f <name of the output file for the card> -u <participant name> -a <participant class# Participant id>
• 1

$ composer identity issue -c admin@food-safety-b10407 -f consumer.card -u "Consumer" -a "resource:com.packtpublishing.businessnetwork.foodsafety.Consumer#1"
Issue identity and create Network Card for: Consumer
√ Issuing identity. This may take a few seconds...
Successfully created business network card file to 
    Output file: consumer.card Command succeeded

$ composer card import -f consumer.card 
Successfully imported business network card
    Card file: consumer.card
    Card name: Consumer 1@food-safety-b10407
Command succeeded
$ composer card list
The following Business Network Cards are available:
Connection Profile: hlfv1
┌──────────────────────────────────┬───────────────┬────────────────────┐
│ Card Name                        │ UserId        │ Business Network   │
├──────────────────────────────────┼───────────────┼────────────────────┤
│ Factory 1@food-safety-b10407     │ Factory       │ food-safety-b10407 │
├──────────────────────────────────┼───────────────┼────────────────────┤
│ Warehouse 1@food-safety-b10407   │ Warehouse     │ food-safety-b10407 │
├──────────────────────────────────┼───────────────┼────────────────────┤
│ Store 1@food-safety-b10407       │ Store         │ food-safety-b10407 │
├──────────────────────────────────┼───────────────┼────────────────────┤
│ Consumer 1@food-safety-b10407    │ Consumer      │ food-safety-b10407 │
├──────────────────────────────────┼───────────────┼────────────────────┤
│ Transporter 1@food-safety-b10407 │ Transporter   │ food-safety-b10407 │
├──────────────────────────────────┼───────────────┼────────────────────┤
│ admin@food-safety-b10407         │ admin         │ food-safety-b10407 │
├──────────────────────────────────┼───────────────┼────────────────────┤
│ PeerAdmin@hlfv1                  │ PeerAdmin     │                    │
└──────────────────────────────────┴───────────────┴────────────────────┘
Issue composer card list --card <Card Name> to get details a specific card
Command succeeded

rule FoodBoxFactoryCreation {
 description: "Factories can create FoodBoxes"
 participant: "com.packtpublishing.businessnetwork.foodsafety.FoodFactory"
 operation: CREATE
 resource: "com.packtpublishing.businessnetwork.foodsafety.FoodBox"
 action: ALLOW
}

rule FoodBoxFactoryUpdateAndRead {
 description: "Factories can update and read owned FoodBoxes"
 participant(p): "com.packtpublishing.businessnetwork.foodsafety.FoodFactory"
 operation: UPDATE, READ
 resource(b): "com.packtpublishing.businessnetwork.foodsafety.FoodBox"
 condition: (p == b.owner)
 action: ALLOW
}

rule FoodBoxTransportersUpdateAndRead {
 description: "Transporters can update and read owned FoodBoxes"
 participant(p): "com.packtpublishing.businessnetwork.foodsafety.Transporter"
 operation: UPDATE, READ
 resource(b): "com.packtpublishing.businessnetwork.foodsafety.FoodBox"
 condition: (p  == b.owner )
 action: ALLOW
}
rule FoodBoxPalletTransportersUpdateAndRead {
 description: "ransporters can update and read owned FoodBoxes"
 participant(p): "com.packtpublishing.businessnetwork.foodsafety.Transporter"
 operation: UPDATE, READ
 resource(b): "com.packtpublishing.businessnetwork.foodsafety.FoodBoxPallet"
 condition: (p  == b.owner )
 action: ALLOW
}

rule FoodBoxPalletWarehouseCreate {
 description: "Warehouses can create FoodBoxPallets"
 participant: "com.packtpublishing.businessnetwork.foodsafety.Warehouse"
 operation: CREATE
 resource: "com.packtpublishing.businessnetwork.foodsafety.FoodBoxPallet"
 action: ALLOW
}
rule FoodBoxWarehouseUpdateAndRead {
 description: "Warehouses can update and read owned FoodBoxes"
 participant(p): "com.packtpublishing.businessnetwork.foodsafety.Warehouse"
 operation: UPDATE, READ
 resource(b): "com.packtpublishing.businessnetwork.foodsafety.FoodBox"
 condition: (p == b.owner )
 action: ALLOW
}
rule FoodBoxPalletWarehouseUpdateAndRead {
 description: "Warehouses can update and read owned FoodBoxes"
 participant(p): "com.packtpublishing.businessnetwork.foodsafety.Warehouse"
 operation: UPDATE, READ
 resource(b): "com.packtpublishing.businessnetwork.foodsafety.FoodBoxPallet"
 condition: (p  == b.owner)
 action: ALLOW
}

// Store Rules
rule StoreCanReadFoodBoxes {
 description: "Stores can update and read owned FoodBoxes"
 participant(p): "com.packtpublishing.businessnetwork.foodsafety.Store"
 operation: READ
 resource(b): "com.packtpublishing.businessnetwork.foodsafety.FoodBoxPallet"
 condition: (p  == b.owner )
 action: ALLOW
}
// Consumer Rules
rule ConsumersCanReadFoodBoxes {
 description: "Factories can update and read owned FoodBoxes"
 participant: "com.packtpublishing.businessnetwork.foodsafety.Consumer"
 operation: READ
 resource: "com.packtpublishing.businessnetwork.foodsafety.FoodBox"
 action: ALLOW
}