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
+    }
+}