Hands-On IoT Solutions with Blockchain电子书

Title Page

Copyright and Credits

Hands-On IoT Solutions with Blockchain

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Contributors

About the authors

About the reviewers

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Preface

Who this book is for

What this book covers

To get the most out of this book

Download the example code files

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Conventions used

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Reviews

Understanding IoT and Developing Devices on the IBM Watson IoT Platform

What is IoT?

Common business use cases of IoT

Connected car

Connected persons

Technical elements in IoT

Devices

Edge computing

Networking

Wireless (Wi-Fi) or cabled network

Cellular/mobile network

Low-power wide-area network (LPWAN)

LoRa or LoRaWAN

Network summary

Application protocols

MQTT

Analytics and AI

IBM Watson IoT Platform features

Features

Dashboard

Devices, gateways, and applications

Security

Creating your first IoT solution

Creating a gateway

Creating an application

Creating a device

Summary

Further reading

Creating Your First IoT Solution

Technical requirements

The first IoT solution – the gardening solution

Requirements overview

Solution overview

Selecting the equipment

Intel Edison

Arduino breakout board

Grove system

Grove base shield for Arduino

Grove sensors

Grove button

Grove relay

Wiring the device

Coding the device firmware

Measuring soil moisture

Measuring environmental temperature

Turning on the relay

Publishing events

Monitoring the events

Subscribing to actions

Creating the backend application

Creating a Cloud Foundry application in the IBM Cloud Platform

Uploading the code

Summary

Further reading

Explaining Blockchain Technology and Working with Hyperledger

What is blockchain?

Blockchain and Hyperledger

Hyperledger projects

Hyperledger Sawtooth framework

Hyperledger Iroha framework

Hyperledger Composer tool

Hyperledger Burrow framework

Hyperledger Fabric

Member or peer

Certificate Authority (CA)

Ordering Cluster

SDK/API

Selecting a good use case

Blockchain – food tracking use case

Summary

Questions

Further reading

Creating Your Own Blockchain Network

Prerequisites

Creating your own blockchain network with Hyperledger Composer

Accessing Hyperledger Composer

Exploring the structure of a sample blockchain network

Installing your own blockchain network using Hyperledger Fabric and Composer

Setting up Docker

Installing Hyperledger Composer

Components

Step 1 – Setting up CLI Tools

Step 2 – Setting up Playground

Step 3 – Hyperledger Fabric

Step 4 – IDE

Installing Hyperledger Fabric 1.3 using Docker

Deploying Hyperledger Fabric 1.3 to a Kubernetes environment

Summary

Further reading

Addressing Food Safety - Building around the Blockchain

Regulations, challenges, and concerns in the modern food chain

Challenges regarding food safety

Food safety regulations – ISO 22000

How blockchain and IoT can help in a food chain

Food ecosystem

Opportunities and challenges in a food ecosystem

Farmers

Food manufacturers

Regulators

Transporters (transportation companies)

Stores and supermarkets

Customer

Is the food chain a good use case for IoT and blockchain technology?

Summary

Further reading

Designing the Solution Architecture

The business of food

Challenges of the process

The process at the food factory

The process at the distribution center

The process at supermarkets and stores

The technological approach

Frontend applications

IoT-based asset tracking

API/SDK

Hyperledger Composer – a high-level overview

Software components

Composer REST server

Hyperledger Composer model

The Hyperledger Composer access control language

Hyperledger Composer transaction processor functions

Summary

Questions

Further reading

Creating Your Blockchain and IoT Solution

Technical requirements

Solution overview

Creating a blockchain network

Concepts and enumerations

Asset definitions

Participants

Deploying and testing the business network for Hyperledger

Manipulating assets via transactions in the blockchain

Generating and exporting participant business cards

Defining access control lists (ACLs)

Upgrading the business network to a newer version

Setting up Composer REST servers for each participant

Creating the IoT part of the solution

Hardware setup

Firmware development

Application development

End-to-end testing

Creating a FoodBox

Transferring the asset to the transporter

Measuring the temperature while transporting

Transferring the asset to the warehouse

Creating a pallet and adding the box to it

Measuring the temperature while transporting a pallet

Tracking the FoodBox

Summary

The IoT, Blockchain, and Industry 4.0

Industry 4.0

Cloud computing as an innovation platform

The cloud computing model

The importance of cloud computing to Industry 4.0

The IoT

Blockchain – simplifying business chains

Summary

Best Practices for Developing Blockchain and IoT Solutions

Developing cloud applications

Reference architecture

Development using the 12–factor application model

Serverless computing

Blockchain development using Hyperledger Composer

The Hyperledger Composer toolkit

The Hyperledger Composer REST server

Authentication and multiuser mode

Data source configuration

Summary

Further reading

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