diff --git a/chaincode/fabcar/javascript-low-level/fabcar.js b/chaincode/fabcar/javascript-low-level/fabcar.js deleted file mode 100644 index c8473c3713..0000000000 --- a/chaincode/fabcar/javascript-low-level/fabcar.js +++ /dev/null @@ -1,193 +0,0 @@ -/* -# Copyright IBM Corp. All Rights Reserved. -# -# SPDX-License-Identifier: Apache-2.0 -*/ - -'use strict'; -const shim = require('fabric-shim'); -const util = require('util'); - -let Chaincode = class { - - // The Init method is called when the Smart Contract 'fabcar' is instantiated by the blockchain network - // Best practice is to have any Ledger initialization in separate function -- see initLedger() - async Init(stub) { - console.info('=========== Instantiated fabcar chaincode ==========='); - return shim.success(); - } - - // The Invoke method is called as a result of an application request to run the Smart Contract - // 'fabcar'. The calling application program has also specified the particular smart contract - // function to be called, with arguments - async Invoke(stub) { - let ret = stub.getFunctionAndParameters(); - console.info(ret); - - let method = this[ret.fcn]; - if (!method) { - console.error('no function of name:' + ret.fcn + ' found'); - throw new Error('Received unknown function ' + ret.fcn + ' invocation'); - } - try { - let payload = await method(stub, ret.params); - return shim.success(payload); - } catch (err) { - console.log(err); - return shim.error(err); - } - } - - async queryCar(stub, args) { - if (args.length != 1) { - throw new Error('Incorrect number of arguments. Expecting CarNumber ex: CAR01'); - } - let carNumber = args[0]; - - let carAsBytes = await stub.getState(carNumber); //get the car from chaincode state - if (!carAsBytes || carAsBytes.toString().length <= 0) { - throw new Error(carNumber + ' does not exist: '); - } - console.log(carAsBytes.toString()); - return carAsBytes; - } - - async initLedger(stub, args) { - console.info('============= START : Initialize Ledger ==========='); - let cars = []; - cars.push({ - make: 'Toyota', - model: 'Prius', - color: 'blue', - owner: 'Tomoko' - }); - cars.push({ - make: 'Ford', - model: 'Mustang', - color: 'red', - owner: 'Brad' - }); - cars.push({ - make: 'Hyundai', - model: 'Tucson', - color: 'green', - owner: 'Jin Soo' - }); - cars.push({ - make: 'Volkswagen', - model: 'Passat', - color: 'yellow', - owner: 'Max' - }); - cars.push({ - make: 'Tesla', - model: 'S', - color: 'black', - owner: 'Adriana' - }); - cars.push({ - make: 'Peugeot', - model: '205', - color: 'purple', - owner: 'Michel' - }); - cars.push({ - make: 'Chery', - model: 'S22L', - color: 'white', - owner: 'Aarav' - }); - cars.push({ - make: 'Fiat', - model: 'Punto', - color: 'violet', - owner: 'Pari' - }); - cars.push({ - make: 'Tata', - model: 'Nano', - color: 'indigo', - owner: 'Valeria' - }); - cars.push({ - make: 'Holden', - model: 'Barina', - color: 'brown', - owner: 'Shotaro' - }); - - for (let i = 0; i < cars.length; i++) { - cars[i].docType = 'car'; - await stub.putState('CAR' + i, Buffer.from(JSON.stringify(cars[i]))); - console.info('Added <--> ', cars[i]); - } - console.info('============= END : Initialize Ledger ==========='); - } - - async createCar(stub, args) { - console.info('============= START : Create Car ==========='); - if (args.length != 5) { - throw new Error('Incorrect number of arguments. Expecting 5'); - } - - var car = { - docType: 'car', - make: args[1], - model: args[2], - color: args[3], - owner: args[4] - }; - - await stub.putState(args[0], Buffer.from(JSON.stringify(car))); - console.info('============= END : Create Car ==========='); - } - - async queryAllCars(stub, args) { - - let startKey = 'CAR0'; - let endKey = 'CAR999'; - - let iterator = await stub.getStateByRange(startKey, endKey); - - let allResults = []; - while (true) { - let res = await iterator.next(); - - if (res.value && res.value.value.toString()) { - let jsonRes = {}; - console.log(res.value.value.toString('utf8')); - - jsonRes.Key = res.value.key; - try { - jsonRes.Record = JSON.parse(res.value.value.toString('utf8')); - } catch (err) { - console.log(err); - jsonRes.Record = res.value.value.toString('utf8'); - } - allResults.push(jsonRes); - } - if (res.done) { - console.log('end of data'); - await iterator.close(); - console.info(allResults); - return Buffer.from(JSON.stringify(allResults)); - } - } - } - - async changeCarOwner(stub, args) { - console.info('============= START : changeCarOwner ==========='); - if (args.length != 2) { - throw new Error('Incorrect number of arguments. Expecting 2'); - } - - let carAsBytes = await stub.getState(args[0]); - let car = JSON.parse(carAsBytes); - car.owner = args[1]; - - await stub.putState(args[0], Buffer.from(JSON.stringify(car))); - console.info('============= END : changeCarOwner ==========='); - } -}; - -shim.start(new Chaincode()); diff --git a/chaincode/fabcar/javascript-low-level/package.json b/chaincode/fabcar/javascript-low-level/package.json deleted file mode 100644 index 92ba3d648e..0000000000 --- a/chaincode/fabcar/javascript-low-level/package.json +++ /dev/null @@ -1,17 +0,0 @@ -{ - "name": "fabcar", - "version": "1.0.0", - "description": "fabcar chaincode implemented in node.js", - "engines": { - "node": ">=8.4.0", - "npm": ">=5.3.0" - }, - "scripts": { - "start": "node fabcar.js" - }, - "engine-strict": true, - "license": "Apache-2.0", - "dependencies": { - "fabric-shim": "unstable" - } -}