Oracle Blockchain Quick Start Guide: A practical approach to implementing blockchain in your enterprise

Cover
Title Page
Copyright and Credits
Dedication
About Packt
Foreword
Contributors
Table of Contents
Preface
Chapter 1: Exploring Blockchain and BaaS
	Accounting system – single and double–entry
		Accounting system – single–entry
		Accounting system – double–entry
	Centralized versus distributed ledgers
		Centralized ledgers
		Distributed ledgers
	DLT and blockchain
		Comparing blockchain and DAG:
	Accounting system – triple–entry or distributed double–entry
	Blockchain definition and analogy
		Analogy
		Blockchain components
		P2P network
		Network of equity or the peer-to-peer network
	Layered structure of the blockchain architecture
		Hardware and infrastructure layer
			Ethereum - Infrastructure layer
			Hyperledger Fabric – Infrastructure Layer
		Data layer
		Network layer
			Transaction flow
		Consensus layer
		Application layer
	Structure of the blockchain
		Transaction state machine
		Types of accounts
		Delving into Block Structure
		Transactions
		Adding transactions to a block
		Appending blocks to blockchain
		Consensus algorithm
	Types of blockchain networks
	Blockchain platform
	Blockchain actors
	BaaS 
		BaaS qualifiers
		BaaS use cases
		Key advantages of BaaS
		Oracle\'s BaaS – OBP
		Pre–built blockchain applications
	Summary
Chapter 2: Construing Distributed Ledger Tech and Blockchain
	Challenges and opportunities of DLT
		Challenges associated with DLT
			Perception
			Consensus
			Facts
			The unknowns 
		Opportunities offered by DLT and blockchain
			Gain in efficiency and novel revenue streams
			Business models and enhanced resilience 
			Inheritance of trust
			Immutability and a smarter world
	Challenges of traditional technologies and solutions
	Design strategy
		Explore
			Identifying and justifying use cases
				What is the algorithm to quantify the need for blockchain?
				Building the equation
			Types of blockchain
			Structure of the business network
				pDAOs
			Business network goals and governance
			Dispute resolution and arbitrators
		Engage, experiment, experience, and influence
	Blockchain properties and use cases
		Blockchain properties
		Properties and use cases
	Types of use cases
		Digital assets
		Digital analytics
		Digital platform
	Exploring use cases
		Government – real property registry and transfer of ownership
			Challenges with the current process
			Blockchain, the savior
			Advantages of blockchain solutions
			Social factor
			Crowd funding of real estate properties
		FinTech – know your customer
			Present
			Future
			KYC/on–boarding processes on blockchain
			Process on the blockchain
		FinTech – invoice factoring
			Consortium–based solutions
			Marketplace solution
			Tokenized marketplace
	Engaging with a use case
		Defining the flow
			As-is flow
			To-be flow
		Identifying and defining business network components
			Defining assets
			Defining participants
			Detailed flow with transactions and events
		Integration architecture
		Infrastructure of the business network
	Summary
Chapter 3: Delving into Hyperledger Fabric
	A glance at the Hyperledger project
		Frameworks hosted by Hyperledger
		Tools hosted by Hyperledger
	HLF – features and qualifiers
		Why Hyperledger?
		Go/No–Go for a blockchain solution
	Architecture – conceptual view
		Building the blockchain network
			Chaincode and its stages
			Types of peers
		Evolving the network
			Physical realization of network configuration and channel configuration
			Ordering service
				Ordering nodes maintaining a consistent copy of network configuration
				A node\'s behavior when part of multiple channels
	Hyperledger architecture (layered view) and components
		Identity, security, and privacy
			Public key infrastructure
				Digital certificate
				Keys
				CAs
				CRL
			The membership service
			MSP
				Types of MSP
			Channel (privacy provider)
			PDC
				PDC – more privacy in channels
		Distributed ledger
			Nodes
				Peers
				Orderers and transaction process flow
			Ledger
			The world state database
		Chaincode
		Consensus everywhere
			Transaction flow
	Large object storage – on-chain or off-chain
		Rationale for on-chain/off-chain architecture
		Key design principles
			Integrated blockchain – an anchored document storage solution
			Storage option selection for blockchain applications
	Summary
Chapter 4: Engage in Business Case on Blockchain Platform
	Understanding the business scenario
		Introduction to the use case
			Criteria for use case qualification
			Blockchain solution benefits
	Designing the solution
		Business network topology
			Channel association
		Network artifacts
			Asset model
			Chaincode transactions
		Solution operational flow
		Solution architecture
			High–level architecture
		Deployment architecture
		Document storage – recommended approach with OBP
	Exploring OBP
		Overview of OBP\'s architecture
			Blockchain instance
		Setting up the OBP SDK
			Prerequisites
			Prepare the Docker environment
			Provisioning 
		Creating blockchain instance using the SDK
			Creating a founder instance in the OBP SDK
			Creating a participant instance in the OBP SDK
		Provisioning OBP on Oracle Cloud
			Creating a founder instance on Oracle Cloud
			Creating a participant instance on Oracle Cloud
	Features and components of OBP
		Dashboard
		Network topology
		Nodes topology
		Channels
		Chaincodes
		Developer tools
	Rich history database with OBP
		Create the ODCS connection string
			Fetching ODCS information
			Enabling port 1521 to access the database
			Creating a connection string
		Configuring the rich history database in OBP
		Enabling channels that write data to the rich history database
		Rich history database tables and columns
			History table
			State table
			Latest height table
	Summary
Chapter 5: Managing Solutions on Oracle Blockchain Platform
	Translating the network topology onto OBP 
		Creating network stakeholders with OBP instances
		Configuring the OBP network infrastructure
			Exporting/importing participant certificates
			Orderer configuration
		Configuring the OBP transaction infrastructure
			Channel setup
			Joining participant peers to a channel
				Founder node summary
				Participant (ors) node summary
				Participant (cvs) node summary
				Founder network summary
				Participant (ors) network summary
				Participant (cvs) network summary
	Adding smartness to the OBP network
		Developing chaincode to add smartness to the OBP network
		Exposing chaincode via REST proxy configuration
	REST Interface for OBP
	Summary
Chapter 6: Developing Solutions on Oracle Blockchain Platform
	Setting up chaincode development
		Choosing the language for development (GO, Node.js, or Java)
		Tools for OBP solution development
			Development environment
			Development tools
		Mapping the asset model
		Mapping operations
	Demystifying the craft of chaincode development
		Chaincode interfaces
		ChaincodeStubInterface
		Chaincode functions
		Developing chaincode
			Chaincode in Go
			Chaincode in Node.js
		Adding events to chaincode
			Publishing events
			Subscribing to events
			Unsubscribe from events
	Chaincode deployment
		Deploying chaincode
		Updating chaincode
		Endorsement policy
		Private data collection
	Testing chaincode
		Testing chaincode using the shim
		Testing chaincode from REST endpoints
		Chaincode logs
		Channel ledger
	Integrating client applications with blockchain
	Running an end-to-end flow
	Summary
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Index