Merge "[FAB-12851] Add fabcar contract w/ new prog model (JS)"

chaincode/fabcar/javascript/.editorconfig

@@ -0,0 +1,16 @@
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+root = true
+
+[*]
+indent_style = space
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.md]
+trim_trailing_whitespace = false

chaincode/fabcar/javascript/.eslintignore

@@ -0,0 +1,5 @@
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+coverage

chaincode/fabcar/javascript/.eslintrc.js

@@ -0,0 +1,38 @@
+/*
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+module.exports = {
+ env: {
+ node: true,
+ mocha: true
+ },
+ parserOptions: {
+ ecmaVersion: 8,
+ sourceType: 'script'
+ },
+ extends: "eslint:recommended",
+ rules: {
+ indent: ['error', 4],
+ 'linebreak-style': ['error', 'unix'],
+ quotes: ['error', 'single'],
+ semi: ['error', 'always'],
+ 'no-unused-vars': ['error', { args: 'none' }],
+ 'no-console': 'off',
+ curly: 'error',
+ eqeqeq: 'error',
+ 'no-throw-literal': 'error',
+ strict: 'error',
+ 'no-var': 'error',
+ 'dot-notation': 'error',
+ 'no-tabs': 'error',
+ 'no-trailing-spaces': 'error',
+ 'no-use-before-define': 'error',
+ 'no-useless-call': 'error',
+ 'no-with': 'error',
+ 'operator-linebreak': 'error',
+ yoda: 'error',
+ 'quote-props': ['error', 'as-needed'],
+ 'no-constant-condition': ["error", { "checkLoops": false }]
+ }
+};

chaincode/fabcar/javascript/.gitignore

@@ -0,0 +1,77 @@
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# TypeScript v1 declaration files
+typings/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+
+# next.js build output
+.next
+
+# nuxt.js build output
+.nuxt
+
+# vuepress build output
+.vuepress/dist
+
+# Serverless directories
+.serverless

chaincode/fabcar/javascript/index.js

@@ -0,0 +1,10 @@
+/*
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+'use strict';
+
+const FabCar = require('./lib/fabcar');
+
+module.exports.FabCar = FabCar;
+module.exports.contracts = [ FabCar ];

chaincode/fabcar/javascript/lib/fabcar.js

@@ -0,0 +1,156 @@
+/*
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+'use strict';
+
+const { Contract } = require('fabric-contract-api');
+
+class FabCar extends Contract {
+
+ async initLedger(ctx) {
+ console.info('============= START : Initialize Ledger ===========');
+ const cars = [
+ {
+ color: 'blue',
+ make: 'Toyota',
+ model: 'Prius',
+ owner: 'Tomoko',
+ },
+ {
+ color: 'red',
+ make: 'Ford',
+ model: 'Mustang',
+ owner: 'Brad',
+ },
+ {
+ color: 'green',
+ make: 'Hyundai',
+ model: 'Tucson',
+ owner: 'Jin Soo',
+ },
+ {
+ color: 'yellow',
+ make: 'Volkswagen',
+ model: 'Passat',
+ owner: 'Max',
+ },
+ {
+ color: 'black',
+ make: 'Tesla',
+ model: 'S',
+ owner: 'Adriana',
+ },
+ {
+ color: 'purple',
+ make: 'Peugeot',
+ model: '205',
+ owner: 'Michel',
+ },
+ {
+ color: 'white',
+ make: 'Chery',
+ model: 'S22L',
+ owner: 'Aarav',
+ },
+ {
+ color: 'violet',
+ make: 'Fiat',
+ model: 'Punto',
+ owner: 'Pari',
+ },
+ {
+ color: 'indigo',
+ make: 'Tata',
+ model: 'Nano',
+ owner: 'Valeria',
+ },
+ {
+ color: 'brown',
+ make: 'Holden',
+ model: 'Barina',
+ owner: 'Shotaro',
+ },
+ ];
+
+ for (let i = 0; i < cars.length; i++) {
+ cars[i].docType = 'car';
+ await ctx.stub.putState('CAR' + i, Buffer.from(JSON.stringify(cars[i])));
+ console.info('Added <--> ', cars[i]);
+ }
+ console.info('============= END : Initialize Ledger ===========');
+ }
+
+ async queryCar(ctx, carNumber) {
+ const carAsBytes = await ctx.stub.getState(carNumber); // get the car from chaincode state
+ if (!carAsBytes || carAsBytes.length === 0) {
+ throw new Error(`${carNumber} does not exist`);
+ }
+ console.log(carAsBytes.toString());
+ return carAsBytes.toString();
+ }
+
+ async createCar(ctx, carNumber, make, model, color, owner) {
+ console.info('============= START : Create Car ===========');
+
+ const car = {
+ color,
+ docType: 'car',
+ make,
+ model,
+ owner,
+ };
+
+ await ctx.stub.putState(carNumber, Buffer.from(JSON.stringify(car)));
+ console.info('============= END : Create Car ===========');
+ }
+
+ async queryAllCars(ctx) {
+ const startKey = 'CAR0';
+ const endKey = 'CAR999';
+
+ const iterator = await ctx.stub.getStateByRange(startKey, endKey);
+
+ const allResults = [];
+ while (true) {
+ const res = await iterator.next();
+
+ if (res.value && res.value.value.toString()) {
+ console.log(res.value.value.toString('utf8'));
+
+ const Key = res.value.key;
+ let Record;
+ try {
+ Record = JSON.parse(res.value.value.toString('utf8'));
+ } catch (err) {
+ console.log(err);
+ Record = res.value.value.toString('utf8');
+ }
+ allResults.push({ Key, Record });
+ }
+ if (res.done) {
+ console.log('end of data');
+ await iterator.close();
+ console.info(allResults);
+ return JSON.stringify(allResults);
+ }
+ }
+ }
+
+ async changeCarOwner(ctx, carNumber, newOwner) {
+ console.info('============= START : changeCarOwner ===========');
+
+ const carAsBytes = await ctx.stub.getState(carNumber); // get the car from chaincode state
+ if (!carAsBytes || carAsBytes.length === 0) {
+ throw new Error(`${carNumber} does not exist`);
+ }
+ const car = JSON.parse(carAsBytes.toString());
+ car.owner = newOwner;
+
+ await ctx.stub.putState(carNumber, Buffer.from(JSON.stringify(car)));
+ console.info('============= END : changeCarOwner ===========');
+ }
+
+}
+
+module.exports = FabCar;

chaincode/fabcar/javascript/package.json

@@ -0,0 +1,47 @@
+{
+ "name": "fabcar",
+ "version": "1.0.0",
+ "description": "FabCar contract implemented in JavaScript",
+ "main": "index.js",
+ "engines": {
+ "node": ">=8",
+ "npm": ">=5"
+ },
+ "scripts": {
+ "lint": "eslint .",
+ "pretest": "npm run lint",
+ "test": "nyc mocha --recursive",
+ "start": "fabric-chaincode-node start"
+ },
+ "engineStrict": true,
+ "author": "Hyperledger",
+ "license": "Apache-2.0",
+ "dependencies": {
+ "fabric-contract-api": "1.4.0-beta",
+ "fabric-shim": "1.4.0-beta"
+ },
+ "devDependencies": {
+ "chai": "^4.1.2",
+ "eslint": "^4.19.1",
+ "mocha": "^5.2.0",
+ "nyc": "^12.0.2",
+ "sinon": "^6.0.0",
+ "sinon-chai": "^3.2.0"
+ },
+ "nyc": {
+ "exclude": [
+ "coverage/**",
+ "test/**"
+ ],
+ "reporter": [
+ "text-summary",
+ "html"
+ ],
+ "all": true,
+ "check-coverage": true,
+ "statements": 100,
+ "branches": 100,
+ "functions": 100,
+ "lines": 100
+ }
+}