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Add secured agreement javascript application
Add the asset-transfer-secured-agreement javascript application and have it run during CI. Signed-off-by: Bret Harrison <beharrison@nc.rr.com>
This commit is contained in:
Bret Harrison
denyeart
parent
0bc6f89cf2
commit
fdea4f0f89
6 changed files with 649 additions and 2 deletions
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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coverage
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@ -0,0 +1,37 @@
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/*
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* SPDX-License-Identifier: Apache-2.0
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*/
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'use strict';
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module.exports = {
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env: {
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node: true,
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mocha: true
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},
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parserOptions: {
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ecmaVersion: 8,
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sourceType: 'script'
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},
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extends: 'eslint:recommended',
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rules: {
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indent: ['error', 'tab'],
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'linebreak-style': ['error', 'unix'],
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quotes: ['error', 'single'],
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semi: ['error', 'always'],
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'no-unused-vars': ['error', { args: 'none' }],
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'no-console': 'off',
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curly: 'error',
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eqeqeq: 'error',
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'no-throw-literal': 'error',
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strict: 'error',
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'no-var': 'error',
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'dot-notation': 'error',
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'no-trailing-spaces': 'error',
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'no-use-before-define': 'error',
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'no-useless-call': 'error',
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'no-with': 'error',
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'operator-linebreak': 'error',
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yoda: 'error',
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'quote-props': ['error', 'as-needed']
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}
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};
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14
asset-transfer-secured-agreement/application-javascript/.gitignore
vendored
Normal file
14
asset-transfer-secured-agreement/application-javascript/.gitignore
vendored
Normal file
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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# Coverage directory used by tools like istanbul
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coverage
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# Dependency directories
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node_modules/
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jspm_packages/
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package-lock.json
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wallet
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!wallet/.gitkeep
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567
asset-transfer-secured-agreement/application-javascript/app.js
Normal file
567
asset-transfer-secured-agreement/application-javascript/app.js
Normal file
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/*
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* Copyright IBM Corp. All Rights Reserved.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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'use strict';
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/**
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* Application that uses implicit private data collections, state-based endorsement,
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* and organization-based ownership and access control to keep data private and securely
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* transfer an asset with the consent of both the current owner and buyer
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* -- How to submit a transaction
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* -- How to query
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* -- How to limit the organizations involved in a transaction
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*
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* To see the SDK workings, try setting the logging to show on the console before running
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* export HFC_LOGGING='{"debug":"console"}'
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*/
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// pre-requisites:
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// - fabric-sample two organization test-network setup with two peers, ordering service,
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// and 2 certificate authorities
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// ===> from directory /fabric-samples/test-network
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// ./network.sh up createChannel -ca
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// - Use the asset-transfer-secured-agreement/chaincode-go chaincode deployed on
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// the channel "mychannel". The following deploy command will package, install,
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// approve, and commit the golang chaincode, all the actions it takes
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// to deploy a chaincode to a channel with the endorsement and private collection
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// settings.
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// ===> from directory /fabric-samples/test-network
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// ./network.sh deployCC -ccn secured -ccl go -ccep "OR('Org1MSP.peer','Org2MSP.peer')"
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//
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// - Be sure that node.js is installed
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// ===> from directory /fabric-samples/asset-transfer-sbe/application-javascript
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// node -v
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// - npm installed code dependencies
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// ===> from directory /fabric-samples/asset-transfer-sbe/application-javascript
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// npm install
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// - to run this test application
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// ===> from directory /fabric-samples/asset-transfer-sbe/application-javascript
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// node app.js
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// NOTE: If you see an error like these:
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/*
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Error in setup: Error: DiscoveryService: mychannel error: access denied
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OR
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Failed to register user : Error: fabric-ca request register failed with errors [[ { code: 20, message: 'Authentication failure' } ]]
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*/
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// Delete the /fabric-samples/asset-transfer-sbe/application-javascript/wallet directory
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// and retry this application.
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//
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// The certificate authority must have been restarted and the saved certificates for the
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// admin and application user are not valid. Deleting the wallet store will force these to be reset
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// with the new certificate authority.
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//
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const { Gateway, Wallets } = require('fabric-network');
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const FabricCAServices = require('fabric-ca-client');
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const path = require('path');
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const { buildCAClient, registerAndEnrollUser, enrollAdmin } = require('../../test-application/javascript/CAUtil.js');
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const { buildCCPOrg1, buildCCPOrg2, buildWallet } = require('../../test-application/javascript/AppUtil.js');
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const channelName = 'mychannel';
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const chaincodeName = 'secured';
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const org1 = 'Org1MSP';
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const org2 = 'Org2MSP';
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const Org1UserId = 'appUser1';
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const Org2UserId = 'appUser2';
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const RED = '\x1b[31m\n';
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const GREEN = '\x1b[32m\n';
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const RESET = '\x1b[0m';
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async function initGatewayForOrg1() {
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console.log(`${GREEN}--> Fabric client user & Gateway init: Using Org1 identity to Org1 Peer${RESET}`);
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// build an in memory object with the network configuration (also known as a connection profile)
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const ccpOrg1 = buildCCPOrg1();
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// build an instance of the fabric ca services client based on
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// the information in the network configuration
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const caOrg1Client = buildCAClient(FabricCAServices, ccpOrg1, 'ca.org1.example.com');
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// setup the wallet to cache the credentials of the application user, on the app server locally
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const walletPathOrg1 = path.join(__dirname, 'wallet', 'org1');
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const walletOrg1 = await buildWallet(Wallets, walletPathOrg1);
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// in a real application this would be done on an administrative flow, and only once
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// stores admin identity in local wallet, if needed
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await enrollAdmin(caOrg1Client, walletOrg1, org1);
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// register & enroll application user with CA, which is used as client identify to make chaincode calls
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// and stores app user identity in local wallet
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// In a real application this would be done only when a new user was required to be added
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// and would be part of an administrative flow
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await registerAndEnrollUser(caOrg1Client, walletOrg1, org1, Org1UserId, 'org1.department1');
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try {
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// Create a new gateway for connecting to Org's peer node.
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const gatewayOrg1 = new Gateway();
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//connect using Discovery enabled
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await gatewayOrg1.connect(ccpOrg1,
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{ wallet: walletOrg1, identity: Org1UserId, discovery: { enabled: true, asLocalhost: true } });
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return gatewayOrg1;
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} catch (error) {
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console.error(`Error in connecting to gateway for Org1: ${error}`);
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process.exit(1);
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}
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}
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async function initGatewayForOrg2() {
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console.log(`${GREEN}--> Fabric client user & Gateway init: Using Org2 identity to Org2 Peer${RESET}`);
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const ccpOrg2 = buildCCPOrg2();
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const caOrg2Client = buildCAClient(FabricCAServices, ccpOrg2, 'ca.org2.example.com');
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const walletPathOrg2 = path.join(__dirname, 'wallet', 'org2');
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const walletOrg2 = await buildWallet(Wallets, walletPathOrg2);
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await enrollAdmin(caOrg2Client, walletOrg2, org2);
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await registerAndEnrollUser(caOrg2Client, walletOrg2, org2, Org2UserId, 'org2.department1');
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try {
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// Create a new gateway for connecting to Org's peer node.
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const gatewayOrg2 = new Gateway();
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await gatewayOrg2.connect(ccpOrg2,
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{ wallet: walletOrg2, identity: Org2UserId, discovery: { enabled: true, asLocalhost: true } });
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return gatewayOrg2;
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} catch (error) {
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console.error(`Error in connecting to gateway for Org2: ${error}`);
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process.exit(1);
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}
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}
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async function readPrivateAsset(assetKey, org, contract) {
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console.log(`${GREEN}--> Evaluate Transaction: GetAssetPrivateProperties, - ${assetKey} from organization ${org}${RESET}`);
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try {
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const resultBuffer = await contract.evaluateTransaction('GetAssetPrivateProperties', assetKey);
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const asset = JSON.parse(resultBuffer.toString('utf8'));
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console.log(`*** Result: GetAssetPrivateProperties, ${JSON.stringify(asset)}`);
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} catch (evalError) {
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console.log(`*** Failed evaluateTransaction readPrivateAsset: ${evalError}`);
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}
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}
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async function readBidPrice(assetKey, org, contract) {
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console.log(`${GREEN}--> Evaluate Transaction: GetAssetBidPrice, - ${assetKey} from organization ${org}${RESET}`);
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try {
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const resultBuffer = await contract.evaluateTransaction('GetAssetBidPrice', assetKey);
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const asset = JSON.parse(resultBuffer.toString('utf8'));
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console.log(`*** Result: GetAssetBidPrice, ${JSON.stringify(asset)}`);
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} catch (evalError) {
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console.log(`*** Failed evaluateTransaction GetAssetBidPrice: ${evalError}`);
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}
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}
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async function readSalePrice(assetKey, org, contract) {
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console.log(`${GREEN}--> Evaluate Transaction: GetAssetSalesPrice, - ${assetKey} from organization ${org}${RESET}`);
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try {
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const resultBuffer = await contract.evaluateTransaction('GetAssetSalesPrice', assetKey);
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const asset = JSON.parse(resultBuffer.toString('utf8'));
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console.log(`*** Result: GetAssetSalesPrice, ${JSON.stringify(asset)}`);
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} catch (evalError) {
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console.log(`*** Failed evaluateTransaction GetAssetSalesPrice: ${evalError}`);
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}
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}
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function checkAsset(org, resultBuffer, ownerOrg) {
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let asset;
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if (resultBuffer) {
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asset = JSON.parse(resultBuffer.toString('utf8'));
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}
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if (asset) {
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if (asset.ownerOrg === ownerOrg) {
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console.log(`*** Result from ${org} - asset ${asset.assetID} owned by ${asset.ownerOrg} DESC:${asset.publicDescription}`);
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} else {
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console.log(`${RED}*** Failed owner check from ${org} - asset ${asset.assetID} owned by ${asset.ownerOrg} DESC:${asset.publicDescription}${RESET}`);
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}
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}
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}
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// This is not a real function for an application, this simulates when two applications are running
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// from different organizations and what they would see if they were to both query the asset
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async function readAssetByBothOrgs(assetKey, ownerOrg, contractOrg1, contractOrg2) {
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console.log(`${GREEN}--> Evaluate Transactions: ReadAsset, - ${assetKey} should be owned by ${ownerOrg}${RESET}`);
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let resultBuffer;
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resultBuffer = await contractOrg1.evaluateTransaction('ReadAsset', assetKey);
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checkAsset('Org1', resultBuffer, ownerOrg);
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resultBuffer = await contractOrg2.evaluateTransaction('ReadAsset', assetKey);
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checkAsset('Org2', resultBuffer, ownerOrg);
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}
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// This application uses fabric-samples/test-network based setup and the companion chaincode
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// For this illustration, both Org1 & Org2 client identities will be used, however
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// notice they are used by two different "gateway"s to simulate two different running
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// applications from two different organizations.
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async function main() {
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console.log(`${GREEN} **** START ****${RESET}`);
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try {
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const randomNumber = Math.floor(Math.random() * 100) + 1;
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// use a random key so that we can run multiple times
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const assetKey = `asset-${randomNumber}`;
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/** ******* Fabric client init: Using Org1 identity to Org1 Peer ******* */
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const gatewayOrg1 = await initGatewayForOrg1();
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const networkOrg1 = await gatewayOrg1.getNetwork(channelName);
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const contractOrg1 = networkOrg1.getContract(chaincodeName);
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/** ******* Fabric client init: Using Org2 identity to Org2 Peer ******* */
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const gatewayOrg2 = await initGatewayForOrg2();
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const networkOrg2 = await gatewayOrg2.getNetwork(channelName);
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const contractOrg2 = networkOrg2.getContract(chaincodeName);
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try {
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let transaction;
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try {
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// Create an asset by organization Org1, this only requires the owning
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// organization to endorse.
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// With the gateway using discovery, we should limit the organizations used
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// to endorse. This only requires knowledge of the Organizations and not
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// the actual peers that may be active at any given time.
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const asset_properties = {
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object_type: 'asset_properties',
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asset_id: assetKey,
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color: 'blue',
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size: 35,
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salt: Buffer.from(randomNumber.toString()).toString('hex')
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};
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const asset_properties_string = JSON.stringify(asset_properties);
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console.log(`${GREEN}--> Submit Transaction: CreateAsset, ${assetKey} as Org1 - endorsed by Org1${RESET}`);
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console.log(`${asset_properties_string}`);
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transaction = contractOrg1.createTransaction('CreateAsset');
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transaction.setEndorsingOrganizations(org1);
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transaction.setTransient({
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asset_properties: Buffer.from(asset_properties_string)
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});
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await transaction.submit(assetKey, `Asset ${assetKey} owned by ${org1} is not for sale`);
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console.log(`*** Result: committed, asset ${assetKey} is owned by Org1`);
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} catch (createError) {
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console.log(`${RED}*** Failed: CreateAsset - ${createError}${RESET}`);
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}
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// read the public details by both orgs
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await readAssetByBothOrgs(assetKey, org1, contractOrg1, contractOrg2);
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// Org1 should be able to read the private data details of this asset
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await readPrivateAsset(assetKey, org1, contractOrg1);
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// Org2 is not the owner and does not have the private details, this should fail
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await readPrivateAsset(assetKey, org2, contractOrg2);
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try {
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// This is an update to the public state and requires only the owner to endorse.
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console.log(`${GREEN}--> Submit Transaction: ChangePublicDescription ${assetKey}, as Org1 - endorse by Org1${RESET}`);
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transaction = contractOrg1.createTransaction('ChangePublicDescription');
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transaction.setEndorsingOrganizations(org1);
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await transaction.submit(assetKey, `Asset ${assetKey} owned by ${org1} is for sale`);
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console.log(`*** Result: committed, asset ${assetKey} is now for sale by Org1`);
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} catch (updateError) {
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console.log(`${RED}*** Failed: ChangePublicDescription - ${updateError}${RESET}`);
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}
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// read the public details by both orgs
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await readAssetByBothOrgs(assetKey, org1, contractOrg1, contractOrg2);
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try {
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// This is an update to the public state and requires the owner(Org1) to endorse and
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// sent by the owner org client (Org1).
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// Since the client is from Org2, which is not the owner, this will fail
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console.log(`${GREEN}--> Submit Transaction: ChangePublicDescription ${assetKey}, as Org2 - endorse by Org2${RESET}`);
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transaction = contractOrg2.createTransaction('ChangePublicDescription');
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transaction.setEndorsingOrganizations(org2);
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await transaction.submit(assetKey, `Asset ${assetKey} owned by ${org2} is NOT for sale`);
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console.log(`${RESET}*** Failed: Org2 is not the owner and this should have failed${RESET}`);
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} catch (updateError) {
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console.log(`*** Success: ChangePublicDescription has failed endorsememnt by Org2 sent by Org2 - ${updateError}`);
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}
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try {
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// This is an update to the public state and requires the owner(Org1) to endorse and
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// sent by the owner org client (Org1).
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// Since this is being sent by Org2, which is not the owner, this will fail
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console.log(`${GREEN}--> Submit Transaction: ChangePublicDescription ${assetKey}, as Org2 - endorse by Org1${RESET}`);
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transaction = contractOrg2.createTransaction('ChangePublicDescription');
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transaction.setEndorsingOrganizations(org1);
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await transaction.submit(assetKey, `Asset ${assetKey} owned by ${org2} is NOT for sale`);
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console.log(`${RESET}*** Failed: Org2 is not the owner and this should have failed${RESET}`);
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} catch (updateError) {
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console.log(`*** Success: ChangePublicDescription has failed endorsement by Org1 sent by Org2 - ${updateError}`);
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}
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// read the public details by both orgs
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await readAssetByBothOrgs(assetKey, org1, contractOrg1, contractOrg2);
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try {
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// Agree to a sell by Org1
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const asset_price = {
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asset_id: assetKey,
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price: 110,
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trade_id: randomNumber.toString()
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};
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const asset_price_string = JSON.stringify(asset_price);
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console.log(`${GREEN}--> Submit Transaction: AgreeToSell, ${assetKey} as Org1 - endorsed by Org1${RESET}`);
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transaction = contractOrg1.createTransaction('AgreeToSell');
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transaction.setEndorsingOrganizations(org1);
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transaction.setTransient({
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asset_price: Buffer.from(asset_price_string)
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});
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await transaction.submit(assetKey);
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console.log(`*** Result: committed, Org1 has agreed to sell asset ${assetKey} for 110`);
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} catch (sellError) {
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console.log(`${RED}*** Failed: AgreeToSell - ${sellError}${RESET}`);
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}
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try {
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// check the private information about the asset from Org2
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// Org1 would have to send Org2 these details, so the hash of the
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// details may be checked by the chaincode.
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const asset_properties = {
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object_type: 'asset_properties',
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asset_id: assetKey,
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color: 'blue',
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size: 35,
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salt: Buffer.from(randomNumber.toString()).toString('hex')
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};
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const asset_properties_string = JSON.stringify(asset_properties);
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console.log(`${GREEN}--> Evalute: VerifyAssetProperties, ${assetKey} as Org2 - endorsed by Org2${RESET}`);
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console.log(`${asset_properties_string}`);
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transaction = contractOrg2.createTransaction('VerifyAssetProperties');
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transaction.setTransient({
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asset_properties: Buffer.from(asset_properties_string)
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});
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const verifyResultBuffer = await transaction.evaluate(assetKey);
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if (verifyResultBuffer) {
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const verifyResult = Boolean(verifyResultBuffer.toString());
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if (verifyResult) {
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console.log(`*** Successfully VerifyAssetProperties, private information about asset ${assetKey} has been verified by Org2`);
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} else {
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console.log(`*** Failed: VerifyAssetProperties, private information about asset ${assetKey} has not been verified by Org2`);
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}
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} else {
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console.log(`*** Failed: VerifyAssetProperties, private information about asset ${assetKey} has not been verified by Org2`);
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}
|
||||
} catch (verifyError) {
|
||||
console.log(`${RED}*** Failed: VerifyAssetProperties - ${verifyError}${RESET}`);
|
||||
}
|
||||
|
||||
try {
|
||||
// Agree to a buy by Org2
|
||||
const asset_price = {
|
||||
asset_id: assetKey,
|
||||
price: 100,
|
||||
trade_id: randomNumber.toString()
|
||||
};
|
||||
const asset_price_string = JSON.stringify(asset_price);
|
||||
console.log(`${GREEN}--> Submit Transaction: AgreeToBuy, ${assetKey} as Org2 - endorsed by Org2${RESET}`);
|
||||
transaction = contractOrg2.createTransaction('AgreeToBuy');
|
||||
transaction.setEndorsingOrganizations(org2);
|
||||
transaction.setTransient({
|
||||
asset_price: Buffer.from(asset_price_string)
|
||||
});
|
||||
await transaction.submit(assetKey);
|
||||
console.log(`*** Result: committed, Org2 has agreed to buy asset ${assetKey} for 100`);
|
||||
} catch (buyError) {
|
||||
console.log(`${RED}*** Failed: AgreeToBuy - ${buyError}${RESET}`);
|
||||
}
|
||||
|
||||
// read the public details by both orgs
|
||||
await readAssetByBothOrgs(assetKey, org1, contractOrg1, contractOrg2);
|
||||
|
||||
// Org1 should be able to read the private data details of this asset
|
||||
await readPrivateAsset(assetKey, org1, contractOrg1);
|
||||
// Org2 is not the owner and does not have the private details, this should fail
|
||||
await readPrivateAsset(assetKey, org2, contractOrg2);
|
||||
|
||||
// Org1 should be able to read the sale price of this asset
|
||||
await readSalePrice(assetKey, org1, contractOrg1);
|
||||
// Org2 has not set a sale price and this should fail
|
||||
await readSalePrice(assetKey, org2, contractOrg2);
|
||||
|
||||
// Org1 has not agreed to buy so this should fail
|
||||
await readBidPrice(assetKey, org1, contractOrg1);
|
||||
// Org2 should be able to see the price it has agreed
|
||||
await readBidPrice(assetKey, org2, contractOrg2);
|
||||
|
||||
try {
|
||||
// Org1 will try to transfer the asset to Org2
|
||||
// This will fail due to the sell price and the bid price
|
||||
// are not the same
|
||||
const asset_properties = {
|
||||
object_type: 'asset_properties',
|
||||
asset_id: assetKey,
|
||||
color: 'blue',
|
||||
size: 35,
|
||||
salt: Buffer.from(randomNumber.toString()).toString('hex')
|
||||
};
|
||||
const asset_properties_string = JSON.stringify(asset_properties);
|
||||
const asset_price = {
|
||||
asset_id: assetKey,
|
||||
price: 110,
|
||||
trade_id: randomNumber.toString()
|
||||
};
|
||||
const asset_price_string = JSON.stringify(asset_price);
|
||||
|
||||
console.log(`${GREEN}--> Submit Transaction: TransferAsset, ${assetKey} as Org1 - endorsed by Org1${RESET}`);
|
||||
console.log(`${asset_properties_string}`);
|
||||
transaction = contractOrg1.createTransaction('TransferAsset');
|
||||
transaction.setEndorsingOrganizations(org1);
|
||||
transaction.setTransient({
|
||||
asset_properties: Buffer.from(asset_properties_string),
|
||||
asset_price: Buffer.from(asset_price_string)
|
||||
});
|
||||
await transaction.submit(assetKey, org2);
|
||||
console.log(`${RED}*** Failed: committed, TransferAsset should have failed for asset ${assetKey}${RESET}`);
|
||||
} catch (transferError) {
|
||||
console.log(`*** Success: TransferAsset - ${transferError}`);
|
||||
}
|
||||
|
||||
try {
|
||||
// Agree to a sell by Org1
|
||||
// Org1, the seller will agree to the bid price of Org2
|
||||
const asset_price = {
|
||||
asset_id: assetKey,
|
||||
price: 100,
|
||||
trade_id: randomNumber.toString()
|
||||
};
|
||||
const asset_price_string = JSON.stringify(asset_price);
|
||||
console.log(`${GREEN}--> Submit Transaction: AgreeToSell, ${assetKey} as Org1 - endorsed by Org1${RESET}`);
|
||||
transaction = contractOrg1.createTransaction('AgreeToSell');
|
||||
transaction.setEndorsingOrganizations(org1);
|
||||
transaction.setTransient({
|
||||
asset_price: Buffer.from(asset_price_string)
|
||||
});
|
||||
await transaction.submit(assetKey);
|
||||
console.log(`*** Result: committed, Org1 has agreed to sell asset ${assetKey} for 100`);
|
||||
} catch (sellError) {
|
||||
console.log(`${RED}*** Failed: AgreeToSell - ${sellError}${RESET}`);
|
||||
}
|
||||
|
||||
// read the public details by both orgs
|
||||
await readAssetByBothOrgs(assetKey, org1, contractOrg1, contractOrg2);
|
||||
|
||||
// Org1 should be able to read the private data details of this asset
|
||||
await readPrivateAsset(assetKey, org1, contractOrg1);
|
||||
|
||||
// Org1 should be able to read the sale price of this asset
|
||||
await readSalePrice(assetKey, org1, contractOrg1);
|
||||
|
||||
// Org2 should be able to see the price it has agreed
|
||||
await readBidPrice(assetKey, org2, contractOrg2);
|
||||
|
||||
try {
|
||||
// Org2 user will try to transfer the asset to Org2
|
||||
// This will fail as the owner is Org1
|
||||
const asset_properties = {
|
||||
object_type: 'asset_properties',
|
||||
asset_id: assetKey,
|
||||
color: 'blue',
|
||||
size: 35,
|
||||
salt: Buffer.from(randomNumber.toString()).toString('hex')
|
||||
};
|
||||
const asset_properties_string = JSON.stringify(asset_properties);
|
||||
const asset_price = {
|
||||
asset_id: assetKey,
|
||||
price: 100,
|
||||
trade_id: randomNumber.toString()
|
||||
};
|
||||
const asset_price_string = JSON.stringify(asset_price);
|
||||
|
||||
console.log(`${GREEN}--> Submit Transaction: TransferAsset, ${assetKey} as Org2 - endorsed by Org1${RESET}`);
|
||||
console.log(`${asset_properties_string}`);
|
||||
transaction = contractOrg2.createTransaction('TransferAsset');
|
||||
transaction.setEndorsingOrganizations(org1, org2);
|
||||
transaction.setTransient({
|
||||
asset_properties: Buffer.from(asset_properties_string),
|
||||
asset_price: Buffer.from(asset_price_string)
|
||||
});
|
||||
await transaction.submit(assetKey, org2);
|
||||
console.log(`${RED}*** FAILED: committed, TransferAsset - Org2 now owns the asset ${assetKey}${RESET}`);
|
||||
} catch (transferError) {
|
||||
console.log(`*** Succeded: TransferAsset - ${transferError}`);
|
||||
}
|
||||
|
||||
try {
|
||||
// Org1 will transfer the asset to Org2
|
||||
// This will now complete as the sell price and the bid price are the same
|
||||
const asset_properties = {
|
||||
object_type: 'asset_properties',
|
||||
asset_id: assetKey,
|
||||
color: 'blue',
|
||||
size: 35,
|
||||
salt: Buffer.from(randomNumber.toString()).toString('hex')
|
||||
};
|
||||
const asset_properties_string = JSON.stringify(asset_properties);
|
||||
const asset_price = {
|
||||
asset_id: assetKey,
|
||||
price: 100,
|
||||
trade_id: randomNumber.toString()
|
||||
};
|
||||
const asset_price_string = JSON.stringify(asset_price);
|
||||
|
||||
console.log(`${GREEN}--> Submit Transaction: TransferAsset, ${assetKey} as Org1 - endorsed by Org1${RESET}`);
|
||||
console.log(`${asset_properties_string}`);
|
||||
transaction = contractOrg1.createTransaction('TransferAsset');
|
||||
transaction.setEndorsingOrganizations(org1, org2);
|
||||
transaction.setTransient({
|
||||
asset_properties: Buffer.from(asset_properties_string),
|
||||
asset_price: Buffer.from(asset_price_string)
|
||||
});
|
||||
await transaction.submit(assetKey, org2);
|
||||
console.log(`*** Results: committed, TransferAsset - Org2 now owns the asset ${assetKey}`);
|
||||
} catch (transferError) {
|
||||
console.log(`${RED}*** Failed: TransferAsset - ${transferError}${RESET}`);
|
||||
}
|
||||
|
||||
// read the public details by both orgs
|
||||
await readAssetByBothOrgs(assetKey, org2, contractOrg1, contractOrg2);
|
||||
|
||||
// Org2 should be able to read the private data details of this asset
|
||||
await readPrivateAsset(assetKey, org2, contractOrg2);
|
||||
// Org1 should not be able to read the private data details of this asset
|
||||
await readPrivateAsset(assetKey, org1, contractOrg1);
|
||||
|
||||
try {
|
||||
// This is an update to the public state and requires only the owner to endorse.
|
||||
// Org2 wants to indicate that the items is no longer for sale
|
||||
console.log(`${GREEN}--> Submit Transaction: ChangePublicDescription ${assetKey}, as Org2 - endorse by Org2${RESET}`);
|
||||
transaction = contractOrg2.createTransaction('ChangePublicDescription');
|
||||
transaction.setEndorsingOrganizations(org2);
|
||||
await transaction.submit(assetKey, `Asset ${assetKey} owned by ${org2} is NOT for sale`);
|
||||
console.log('*** Results: committed - Org2 is now the owner and asset is not for sale');
|
||||
} catch (updateError) {
|
||||
console.log(`${RED}*** Failed: ChangePublicDescription has failed by Org2 - ${updateError}${RESET}`);
|
||||
}
|
||||
|
||||
// read the public details by both orgs
|
||||
await readAssetByBothOrgs(assetKey, org2, contractOrg1, contractOrg2);
|
||||
} catch (runError) {
|
||||
console.error(`Error in transaction: ${runError}`);
|
||||
if (runError.stack) {
|
||||
console.error(runError.stack);
|
||||
}
|
||||
process.exit(1);
|
||||
} finally {
|
||||
// Disconnect from the gateway peer when all work for this client identity is complete
|
||||
console.log(`${GREEN}--> Close gateways`);
|
||||
gatewayOrg1.disconnect();
|
||||
gatewayOrg2.disconnect();
|
||||
}
|
||||
} catch (error) {
|
||||
console.error(`Error in setup: ${error}`);
|
||||
if (error.stack) {
|
||||
console.error(error.stack);
|
||||
}
|
||||
process.exit(1);
|
||||
}
|
||||
console.log(`${GREEN} **** END ****${RESET}`);
|
||||
}
|
||||
main();
|
||||
|
|
@ -0,0 +1,16 @@
|
|||
{
|
||||
"name": "asset-transfer-secured-agreement",
|
||||
"version": "1.0.0",
|
||||
"description": "Javascript application that uses implicit private data collections, state-based endorsement, and organization-based ownership and access control to keep data private and securely transfer an asset with the consent of both the current owner and buyer",
|
||||
"engines": {
|
||||
"node": ">=12",
|
||||
"npm": ">=5"
|
||||
},
|
||||
"engineStrict": true,
|
||||
"author": "Hyperledger",
|
||||
"license": "Apache-2.0",
|
||||
"dependencies": {
|
||||
"fabric-ca-client": "^2.2.2",
|
||||
"fabric-network": "^2.2.2"
|
||||
}
|
||||
}
|
||||
|
|
@ -13,9 +13,9 @@ function print() {
|
|||
|
||||
function createNetwork() {
|
||||
print "Creating network"
|
||||
./network.sh up createChannel -ca -s couchdb -i "${FABRIC_VERSION}"
|
||||
./network.sh up createChannel -ca
|
||||
print "Deploying ${CHAINCODE_NAME} chaincode"
|
||||
./network.sh deployCC -ccn "${CHAINCODE_NAME}" -ccv 1 -ccs 1 -ccl "${CHAINCODE_LANGUAGE}"
|
||||
./network.sh deployCC -ccn "${CHAINCODE_NAME}" -ccl "${CHAINCODE_LANGUAGE}" -ccep "OR('Org1MSP.peer','Org2MSP.peer')"
|
||||
}
|
||||
|
||||
function stopNetwork() {
|
||||
|
|
@ -25,4 +25,12 @@ function stopNetwork() {
|
|||
|
||||
# Run Javascript application
|
||||
createNetwork
|
||||
print "Initializing Javascript application"
|
||||
pushd ../asset-transfer-secured-agreement/application-javascript
|
||||
npm install
|
||||
print "Executing app.js"
|
||||
node app.js
|
||||
popd
|
||||
stopNetwork
|
||||
print "Remove wallet storage"
|
||||
rm -R ../asset-transfer-secured-agreement/application-javascript/wallet
|
||||
|
|
|
|||
Loading…
Reference in a new issue