[FAB-14532] Remove LL FabCar sample

Remove the Fabric v2.0 version of the low-level FabCar sample. We
should not be advertising how to use the low-level APIs at this
point. The low-level samples are still available for Fabric v1.4
to show the difference between the low-level and high-level APIs.

Signed-off-by: Simon Stone <sstone1@uk.ibm.com>
Change-Id: I87b7edf477064b79f449f618f48902b9495e7d4a

chaincode/fabcar/javascript-low-level/fabcar.js

@@ -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());

chaincode/fabcar/javascript-low-level/package.json

@@ -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"
-	}
-}