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Build DApps on Hyperledger Blockchain

Anandi Sheladiya

February 29, 2024

Introduction

Hyperledger is an open source framework that helps businesses build secure and expandable blockchain networks. It is hosted by Linux foundation. The Hyperledger framework offers different blockchain platforms such as Hyperledger Fabric, Hyperledger sawtooth, Hyperledger Besu, and more.

These platforms provide unique features and capabilities for creating permissioned blockchain networks, developing smart contacts, and facilitating decentralized applications(DApps).The Hyperledger community actively contributes to the development and improvement of these platforms, sharing practices, creating standards and making it a popular choice for enterprise blockchain solutions.

Understanding Hyperledger

a.Research and understanding the hyperledger framework

i.Visit the Hyperledger website :- For research visit the official website of Hyperledger, it provides an overview, framework, projects and latest update of hyperledger.

ii.Explore the Hyperledger projects :- Hyperledger is an open-source creativity blocking project like fabric, lndy, Besu, Sawtooth, Caliper. Other projects such as Hyperledger Iroha, Hyperledger burrow, and Hyperledger cactus also contribute to different areas of blockchain technology.

iii.Read documentation and whitepapers :- Properly Read documentation and whitepapers provided by Hyperledger The documentation and whitepapers offer guides, tutorials and technical resources, architecture and design of hyperledger.

iv.Join the hyperledger community :- Capability with the hyperledger community through mailing list and social media platforms.It provides opportunities to ask questions, share ideas and learn from the experience of other developers and organisations using hyperledger.

v.Explore code repositories and sample projects :- Explore the repositories to study the source code, contribute to open-soruce projects, and gain particle insights into implementing blockchain solutions using hyperledger. Some of the most notable Hyperledger projects with links to their respective code repositories and sample projects.

vi.Follow news and updates :- For latest news and new announcements from the hyperledger community subscribe to newsletters blogs and social media channels to receive timely information on new features, events and resources.

Popular Read: Build DeFi Apps Using Account Abstraction ERC 4337

Select the ideal Hyperledger Platform for your DApp needs

i.Hyperledger Fabric

Hyperledger Fabric is an open-source blockchain framework developed by Linax foundation. This one of the projects under the hyperledger umbrella is a collection of blockchain technology and tools for building enterprise-grade blockchain solutions.Hyperledger Fabric is designed to provide a modular and flexible architecture that enables organisations to build and operate private, permissioned blockchain networks.It is used as a blockchain based solution that enables secure and transparent transactions among multiple communities while maintaining data privacy and confidentiality.

ii.Hyperledger Sawtooth

Hyperledger sawtooth is an open source blockchain framework. It is under the hyperledger project hosted by Linax foundation.It is a type of software that helps businesses create their own blockchain network. It currently provide multiple unity option, including “Proof of Elapsed time(PoET), Practical Byzantine Tolerance(PBFT), and Raft”Sawtooth offers a user-friendly command-line interface and a web-based management dashboard called sawtooth explore, which provide visibility into the network looks, transaction, and state.Sawtooth allows for different ways of agreeing on transactions and supports smart contracts.

iii.Hyperledger Besu

Hyperledger Besu is an open source blockchain platform that supports the “Ethereum Virtual Machine(EVM)” and is compatible with the Ethereum ecosystem.Besu supports multiple unity algorithms, including “Proof of work(PoW), Proof of Authority(PoA), and Istanbul Byzantine Fault Tolerance(IBFT)”.This compatibility also allows for interoperability between Besu and Ethereum networks.Besu provides flexibility in defining network permission and allowing organisations to create private and permissioned networks.It interacts with other blockchain networks, including the public ethereum network and other Hyperledger frameworks.

Define DApp requirements

a. Identify the specific business logic and process to be implemented on the blockchain Analyse existing processesUnderstand current business processes and working that can benefit from blockchain implementation. Review the smart contract used in the Dapp to ensure they accurately and securely facilitate the desired functionalities.

b. Analyse blockchain integration to access hoe effectively the Dapp integrates with the basic Hyperledger blockchain network.

c. Assess user experience UI/UX design of the Dapp considers factors such as ease to use and accessibility to ensure a smooth and enjoyable user experience.Create a full plan outline specific action, tasks, responsibilities and timelines for implementing the identified improvements.

d. Decentralisation whether the use case requires a decentralized network where multiple participants need to maintain a shared and synchronised database.Assess which process can benefit from the unique features of blockchain such as immutability decentralisation and smart contract.Trust and security is a significant factor in the use case where participants may have concerns about data security or the integrity of interaction.Potential benefits of using blockchain such as reducing mediator streaming process or eliminating reconciliations.

ii.Trust and verification requirements

a.Consensus mechanisms

When build a DApp on the Hyperledger Blockchain, selecting the right consensus mechanism is crucial. These mechanisms determine how transactions are validated and added to the blockchain . Hyperledger offers a variety of consensus options, such as Practical Byzantine Fault Tolerance (PBFT), Kafka-based ordering, and more. THe choice depends on factors like the network's goals, scalability, and trust among participants.

b.Permissioned network

Hyperledger typically employs a permissioned network,meaining only authorized participants can join the network. This ensures that transactions are validated by trusted entities. Participants need to be identified and given specific permissions to partcipate in the network, enhancing security and control.

c.Identity management

Effective identify management is a cornerstone of trust in a Hyperledger DApp. Properly indentifying and authenticating participants is essential to prevent unautorized access or malicious activities. Hperledger offers solutions for managing identities securely within the network, enhancing security and control.

d.Smart contract and chain code

Smart contracts, known as chaincode in Hyperledger, define the business logic of the DApp. They automate processes, validate transactions, and ensure consistency. Developing robust chaincode is critical to the DApp's functionality and reliability.

e.Cryptographic techniques

Cryptography plays a significant role in securing transactions and data on the Hyperledger Blockchain. It's essential to implement strong cryptographic techniques to protect senstive information and maintain the integrity of the blokchain. This includes techniques like hashing, digital signatures, and encryption to ensure data privacy and security within the DApp.

iii.Data storage and access

Data stored in Hyperledger blockchain storing information in a secure and distributed manner across multiple nodes with the network.In hyperledger blockchain it uses a distributed ledger where data is stored on multiple nodes. It is often associated with smart contracts.In some cases it may utilise an off-chain storage solution to store large or sensitive data that is not directly stored on the blockchain.Hyperledger blockchain typically employs permissioned access control mechanisms. Frameworks provide APIs and query mechanisms to enable participants to retrieve specific data from the blockchain.Hyperledger blockchain can integrate with external systems or databases to access additional data sources or provide interoperability. These considerations help in designing effective and efficient data management solutions for Hyperledger-based applications.

iv.Identify interaction and transaction

1.Communication

Participants can interact with each other through messages notification or queries exchanged within the blockchain network.This communication facilitates collaboration coordination, and the sharing of information among network participants.

2.Data sharing

Interaction also involves the transparent and auditable ledger where participants can exchange data security and immutability.

3.Smart contract execution

Interaction often involves the execution of smart contracts or chaincode. The interactions are typically initiated by participants based on predefined conditions or events.

4.Data modification

Transactions often involve modifying the state of the blockchain by uploading or adding data. For example a transaction may involve transferring ownership of an asset, updating a record, or adding a new entry to the ledger.

5.Transactional metadata

HYperledger blockchain contains metadata including a unique identifier, timestamps, transaction inputs, output, and additional relevant information.

Define consensus mechanism

Consensus Mechanism in Blockchain

1.Proof of Work(PoW)

In POW, miners compete to solve complex mathematical puzzles to validate transactions and create new blocks.The first miner to solve the puzzle broadcasts the solution, and other participants verify it before accepting the block.

2.Proof of stake(PoS)

In PoS probability of a participant being chosen to validate the network blockchain is based on their stake or ownership of cryptocurrency within the network.Ethereum is transformation from PoW to PoS with its Ethereum 2.0 upgrade.

3.Practical Byzantine Fault Tolerance(PBFT)

PBFT is a unity mechanism designed for permissioned blockchain networks.Hyperledger Fabric uses a variant of PBFT as its consensus mechanism.

4.Delegated Proof of Stake(DPos)

DPos is a way to secure a blockchain network where users who own the network cryptocurrency can vote for who they want to be the network validators.

5.Collaboration with stakeholder

Involve relevant stakeholders such as domain experts, legal advisors and process owners to ensure a comprehensive understanding of the business logic and requirements.

6.Clearly outline the purpose and functionality of your DApp

Hyperledger is to provide a decentralized and secure solution using blockchain technology. Its aim is to eliminate intermediaries, enhance security and improve efficiency.Hyperledger allows for permissioned blockchain networks, where access control and privacy settings can be defined.It interacts with external systems such as legacy databases, APIs, or other blockchain network.Smart contract execution is known as chaincode to define and enforce business rules and logic.Transaction and data management in DApp facilitates the creation, validation and management of transactions and associated data on the hyperledger blockchain.

Design smart contracts

a.Create smart contracts and define the rules and conditions

i.Choose a programming language

Hyperledger supports multiple programming languages for writing chaincode, including Go, JavaScript, and Java.Select the programming language that you are comfortable with and that sets your project requirements.

ii.Define the purpose and functionality

Define the aim of your smart contract and what its purpose is to accomplish.Decide the specific functionality such as managing assets, executing transactions or enforcing business rules.

iii.Identify data structures

Data structures represent the relevant entities and data within your smart contracts.Operate necessary data and define variables, structs or classes to store.

iv.Specify rules and conditions

Find the rules and conditions that will control the behaviour and interactions within your smart contract.Find variables and structs or classes to store and manipulate the necessary data.

v.Implement business logic

Use programming statements such as constructor (if-else statements), loops, and data manipulation operation to express the desired behaviour.Implement the code in business logic of your smart contract in the chosen programming language.

vi.Handle transactions and state changes

How transactions will be initiated and processed within your smart contract.Define functions that validate input, perform necessary calculations or operations and update the state of the smart contract.

vii.Monitor and maintain

Monitor and maintain the execution and performance of your smart contract on the Hyperledger blockchain network.Review and update the smart contract if need to change business requirements or address any identified issue.

b.Choose suitable smart contract language based on the Hyperledger platform

In smart contract language on the hyperledger platform it depends on a specific blockchain framework.Chaincode in hyperledger fabric can be written in multiple programming languages.When Selecting a smart contract language consider such factors such as the requirement of your project and your skill set development team, community support with existing systems.

i.Go

It is a most commonly used language for writing chaincode in hyperledger fabric.It offers good performance and extensive support within the Fabric community.

ii.Hyperledger Besu

In hyperledger Besu an Ethereum- blockchain platform, primarily uses solidity as the smart contract language.It offers compatibility for running ethereum-based applications on hyperledger Besu.

iii.Node.js(Javascript)

It also supports chaincode in javascript, it allows for easier integration with web applications and existing javascript codebases.In Sawtooth it also supports writing smart contracts in javascript using javascriptSDK.

iv.Python

Sawtooth provides a python SDK and supports writing smart contracts in python.Python is known for its simplicity and readability, making it a suitable choice for developers familiar with the language.

v.Java Java is used for writing chaincode in hyperledger fabric. It is a widely adoptable language with a large developer community.

Set Up the blockchain network

a.Config the network components

i.Choose the blockchain framework

Choose the hyperledger blockchain framework that suits your project requirements like hyperledger fabric hyperledger Besu or Hyperledger sawtooth.

ii.define network topology

Control the desired network topology, including the number of nodes, organisations and channels in your blockchain network.Define the role and responsibility of each node and organisation.

iii.Configure data storage and consistency

Determine the type of data storage to be used such as levelIDB, CouchDB, or other database system.Config data replication and consistency mechanisms to ensure data integrity across the network.

iv.Config network Consensus

Decide the unity algorithm to be used by the blockchain network such as practical byzantine fault Tolerance(PBFT) or Proof of Stake(PoS).Config the consensus setting according to the chosen algorithm.

v.Set Up nodes and organisation

Config the individual nodes within the network including installation of the blockchain software on each node.Find the identity and cryptographic for each node.Create and configure organisation nodes to respective organisations.

vi.Establish communication

Config the network communication protocols like HTTP, gRPC, or other custom protocol in between the nodes.Use encryption and authentication mechanisms on secure communication channels.

vii.Configure channels

Find the channels within the network to secure transactions and control access to specific data.Specify the organisation and nodes that are part of each channelSet the channel policies and access control rules.

viii.Configure identity and access management

Establish an identity management system to manage the identities of participants in the network.

Set participant access rules and privileges

Set up access control to align with DApp needs

i.Identify communication channels

Identify the number and purpose of channels required for your DApp.Channels in Hyperledger are used to secure transaction and data visibility among a specific set of participants.

ii.Create and join organisations

Identify the organisation participants in your DApp network. Set-up the necessary cryptographic materials such as certificates and private keys for each organisation.

iii.Config channel creation

Use the hyperledger network configuration files to define the channel creation process.Specify the participating organisation and the initial configuration for the channel.

iv.Access control policies

The access control policies for each channel based on your Dapp requirements.That controls which organisation or participants can read and write to specific channels.

v.Implement access control logic

Write the required smart contracts(Chaincode) to enforce access control rules on the channel.Configure channel membership using the appropriate hyperledger framework tools and commands.

vi.Test and verify access control

Using the access control mechanisms by simulating different scenarios and verifying that the desired access restrictions are enforced, Validate the function by performance end-to-end tests to ensure that only authorised participants can interact with the DApp.

E.Development Frontend and backend

Build the UI using web technology

i.Decide the UI requirement

Understand the functionality and futures that your DApp requires.Identify the data and actions that users need to interact with on the blockchain.

ii.Choose web development technology

Select the proper web development technologies for building the UI.Most commonly used HTML, CSS, and JavaScript frameworks such as React, Angular, or Vue.js.

iii.Design the UI

Create the visual design and layout of your user userinterface based on your DApp requirements and also consider the user experience(UX) and ensure the design aligns with the branding and purpose of your application.

iv.Connect to the Hyperledger blockchain

Utilise the Hyperledger SDKs or APIs provided by the specific hyperledger framework you are using. SDKs and APIs will allow your frontend application to interact with the blockchain network.

v.Implement front-end logic

Import frontend function that allows the user to interact with the blockchain network.Verify proper validation and error handling for user input.

vi.Display blockchain data

Retrieve and display from the blockchain network in your UI.It can include information like transaction history, asset detail, or user account information.Use the proper APIs and data recovery methods to fact and present the data in a user-friendly manner.

vii.Test debug and deploy the UI

Test the UI functionalities and components through the different scenarios, validate user input, and handle errors gracefully to verify they work as intended.

Develop the backend infrastructure to interact with Hyperledger blockchain

i.Choose backend technology

Select proper backend technology based on your project requirements. Most commonly used is NOde.js, Python, or Java.

ii.Configure Hyperledger SDK

Set up the required hyperledger software development kits(SDKs) for your backend technology.Provide APIs and tools for interacting with the blockchain network.

iii.Connect to the blockchain network

Use the hyperledger SDks to create transaction requests, sign them with the required cryptographic materials, and send them to the network processing.

iv.Implement backend service

Establish a connection to the hyperledger blockchain network from your backend application. This implements configuring network connection parameters such as network endpoints, ability and channel details.

v.Interact with smart contracts

Use hyperledger SDKs to connect with the deployed smart contract on the blockchain network. Implement the required code to interact with the smart contracts based on your DApp requirements.

vi.Hendale security and authentication

Verify secure access to the blockchain technology network through authentication and authorization mechanisms in your backend.Involve verifying user identities, enforcingvaccess control rules, and handling cryptographic materials securely.

vii.Error handling and logic

Implement proper error handling and logging mechanisms in your backend infrastructure.It allows the user to capture and handle errors gracefully.

Integrate with the Hyperledger blockchain

a.Use Hyperledger SDKs or APIs to interact with the blockchain network

i.Choose the hyperledger framework

Firstly define which hyperledger framework you will be using such as hyperledger fabric, hyperledger Sawtooth, or hyperledger Landy.All frameworks have their own set of SDKs and APIs.

ii.Config network connection

Set up the connection parameters to establish communication with the blockchain network. It includes specifying the network endpoint, channel details and any required cryptographic materials.

iii.Establish client identity

Implement a client instance from the chosen SDK, providing the required configuration parameters. Clients act as the entry point for interacting with blockchain networks.

iv.Interact with smart contract

Use SDKs APIs to interact with the deployment of smart contracts on the blockchain network.Handle Error and events - For capture and handle any error that occurs during interaction with the blockchain network by implementing error handling mechanisms.

Optimizing Ledger Queries in Blockchain Apps

i.Set up the development environment

Install the required development tools including Hyperledger Fabric, hyperledger Composer(if application), and any required dependencies.Config the development environment according to the specification of your chosen hyperledger framework.

ii.Connect to the blockchain network

Create the connection to the hyperledger blockchain network using appropriate connection configuration such as network credentials and endpoints.Use the provided APIs or SDKs to create the connection and interact with the blockchain network.

iii.Submitting transaction

Provide the required input data and invoke the smart contract function associated with the transaction. Use the appropriate **API or SDK method to submit a transaction to the blockchain network and implement code like // Assuming you have established a connection to the blockchain network async function submitTransaction (transactionData) { try { // Invoke the appropriate API or SDK method to submit a transaction const result = await contract.submitTransaction('submitTransaction', transactionData); // Process the result if needed console.log ('Transaction submitted successfully:', result); } catch (error) { ** console.error('Failed to submit transaction:', error); } }

iv.Querying the ledger

Querying the ledger iin a Hyperledger Blockchain DApp is a curcial step for accessing transaction history and retrieving specific data. By leverging Hyperledger's powerful querying capabilities, developers can exact valuable insights, verify transctions, and ensure the integrity of the distributed ledger, enhancing transparency and trust within the decentrlized applications .

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Set query parameters and criteria for ledger data retrival.

Use the provided API or SDK method to query the ledger for specific data or execute predefined queries defined in your smart contracts like // Assuming you have established a connection to the blockchain network async function queryLedger(queryParameters) { try { // Invoke the appropriate API or SDK method to query the ledger const result = await contract.evaluateTransaction('queryLedger', queryParameters); // Process the result if needed console.log('Query result:', result.toString()); } catch (error) { console.error('Failed to query the ledger:', error); } }

Interacting with smart contracts

smart contract functions and their associated input/output parameters.

Use the provided API or SDK method to interact with the smart contact invoking specific functions and passing the required input parameters like // Assuming you have established a connection to the blockchain network and have access to the smart contract instance

async function interactWithSmartContract(functionName, parameters) { try { // Invoke the appropriate API or SDK method to interact with the smart contract const result = await contract.submitTransaction(functionName, parameters); // Process the result if needed console.log('Smart contract interaction result:', result.toString()); } catch (error) { console.error('Failed to interact with smart contract:', error); } }

Error handling and exception management

Implement error handling mechanisms to capture and handle any exceptions or errors that may occur during transaction submission or query execution.

Test and Deploy

a.Testing through ensure the functionality and security of your DApp

i.Unit testing

UnitTests validate individual components such as smart contracts and backend code.Use testing frameworks specific to the programming language or platform you are using.

ii.Integration testing

Interaction between different components of your DApp, such as frontend, backend, and smart contracts.Verify and test the end-to-end functionality of your DApp, simulating real user interactions.

iii.Functional testing

Validate that your DApp meets the Functionally requirements specified in the initial design phase.Verify and test all functionalities are working as intended and produce the expected results.

iv.Security testing

Platform security assessments to identify sensitivity and ensure the robustness of your DApp.Review code for security best practice and ensure that proper access controls are in place.

v.Performance testing

Measure and evaluate the performance of your DApp under different load conditions.Monitor response times, throughput and resource utilisation to identify any performance bottlenecks.

vi.User acceptance testing(UAT)

Involve user or stakeholder to perform testing and gather feedback on usability and user experience of your Dapp.Collect user feedback and address any usability issue or concerns raised by users during this testing phase.

vii.Documentation and Bug tracking

Testing activities, including test plans, test cases, and test results of all documents.Maintain a bug tracking system log and track any identified issue or defects.

viii.blockchain -specific testing

Verify the immutability and integration of data stored on the blockchain. Test the consistency and accuracy of data retrieval from the blockchain ledger.Test the blockchain-specific features of your DApp, such as smart contract execution and transaction validation.

Deploy your DApp to the desired environment

i.Prepare the development environment

Set up the environment where you want to deploy your DApp such as a production network or a local development network.Install the required dependencies and software including the hyperledger blockchain platform and any required tools or libraries.

ii.Setup blockchain network

Connect to the blockchain network that will deploy your DApp.Set up the network parameters like a consensus mechanism, endorsement policies and control.Set up the necessary network components including nodes, peers, orders and channels.

iii.Deploy the smart contracts

The compiled smart contracts to the blockchain network.This typically involves submitting the smart contract code and its deployment parameters to the network for initialization.

iv.Test the Dapp

Perform tests to ensure that your DApp is correctly deployed and functioning as expected in the target environment.Verify the frontend and backend components can communicate with each other.

v.Deploy the frontend and backend infrastructure

Deploy the required backend infrastructure such as servers, database, and middleware to support the operation of your DApp.Set up the backend components to connect to the blockchain network and interact with the deployed smart contracts.Host the frontend files on a web server or a suitable hosting platform.Deploy the frontend for required scripts or assets.

Cost of build DApp on hyperledger blockchain

Here are some approximate cost ranges based on industry averages.

i.Development cost

1.small -scale DApp: $10,000 to $50,000.

2.Medium-scale DApp: $50,000 to $150,000.

3.Large-scale DApp: $150,000 to $500,000.

a.Infrastructure costs

Cloud hosting cost: $500 to $5,000 per month depending on the network size requirements.

b.Developer resources

Developer rates: $50 to $200 per hour depending on the developer's experience and location.

c.Testing and security

Testing security assessments $5,000 to $20,000 depending on the extent of testing and security requirements.

d.deployment and maintenance

Maintenance cost 10% to 20% of the initial development cost per year.

ii.Maintain and upgrade

a.Monitor the performance and security of your deployed DApp

i.Performance monitoring

Implement response times throughput and resource utilisation for monitoring tools and techniques to track the performance metrics.Use monitoring tools to detect and address any performance bottlenecks or scalability issue.

ii.Security monitoring

Employe security monitoring tools and practices to identify and respond to potential security threats and attacks.Monitor the network for unauthorised access attempts and unusual transactions or unsure behaviour.Set the logging and auditing functionalities to track and analyse system activities.

iii.Real time Alerts

Alerts and notification to promptly notify you of any critical performance or security incidents.Ensure the alerts are sent to the appropriate stakeholders who can respond quickly to mitigate any issue.Set up the threshold based alerts to trigger notification when certain metrics exceed predefined limits.

iv.Log analysis

Collect and analyse logs from various components of your DApp, including the blockchain network, backend infrastructure, and user interaction.Regularly review and analyse logs to gain insights into the overall health and behaviour of your DApp.

v.Regular Audits

Conduct periodic security audits to assess the security posture of your DApp and identify any vulnerabilities or weaknesses.Address any identified issue or vulnerabilities promptly and maintain a secure environment of your DApp.

vi.Continuous improvement

Continue to monitor and evaluate the performance and security of your DApp to identify areas for improvements.Stay informed about the Latest security threats and vulnerabilities in the hyperledger ecosystem and apply appropriate patches or updates.

Address any bugs or issue promptly

i.Bug tracking reporting

Set up the bug tracking system to log and track reported bugs and issues. Assign unique identifiers to each bug for easy reference and tracking. Include relevant details such as bug description, steps to reproduce, and supporting documentation or screenshots.

ii.Bug prioritisation

Prioritise bugs based on their severity and impact on the system. Consider the potential risks, user impact, and business priorities when determining the priority of each bug. Classify bugs into categories such as critical, high, medium, low based on their urgency and potential impacts.

iii.Bug triage

Assign bugs to the appropriate development team member for investigation and resolution. Conduct group meetings or discussions to discuss and prioritise bug fixes based on available resource and project timelines.Review and analyse reported bugs to identify their root causes and impacts on the DApp.

iv.Bug fixing

Reproduce the reported bugs in a controlled environment to understand their underlying causes. Implement the required code changes, ensuring the proper testing and quality assurance procedures are followed. Debug the code, analyse logs and perform required tests to identify and fix the root cause of each bug.

v.Testing and verification

Test the bug fixes thoroughly to ensure they address the reported issue without introducing new problems.Use auto tests, unit tests and integration tests to validate the effectiveness of the bug fixes.Perform regression testing to verify that the fixed bugs do not impacts other functionalities or introduce regressions.

vi.Communication and transparency

Maintain open communication channels with stakeholders, including users, clients, and other team members. Keep stakeholders informed about the progress of bug fixes and any anticipated timelines for resolution.Provide regular updates and status reports on the bug fixing version of your DApp to the production environment.

vii.Deployment and release

Once the bug fixes are verified and validated deploy the update version of your DApp to the production environment. Follow proper release management practices, including version control change management, and release notes. Observe the system after deployment to ensure that the bug fixing has effectively resolved the reported issue.

viii.Post resolution analysis

Conduct post resolution analysis for the effectiveness of the bug fixing process.Find out any process improvement or lessons learned to prevent similar issues in the future.Document the lessons learned and update your development and testing practices accordingly.

Also Read: What Is Account Abstraction ERC 4337?

Stay updated with Hyperledger releases

i.Join community forums and discussions

Participants in the hyperledger community forums and discussions group, such as the hyperledger community chat or mailing listsEngage with other community members, developers and contribute to stay informed about the latest updates and discussions around the hyperledger projects.

ii.Attend hyperledger events and webinars

Attend the hyperledger events, webinars, conferences and meetups. These events often feature presentations, demos and discussions about new releases, project updates and emerging trends in the hyperledger ecosystem.

iii.Join hyperledger working group

Participants in hyperledger community forums and discussion groups, such as the hyperledger community chat or mailing list.Join with other community members, developer and contributor to stay informed about the latest update and discussions around the hyperledger projects.

iv.Explore the hyperledger newsletter

Subscribe the hyperledger newsletter, it provides regular updates on projects re;eases community news, and upcoming events.Read hyperledger documentation and blogs Explore the official hyperledger documentation and read the project specific documentation for the hyperledger frameworks you are using.Follow hyperledger blogs and news websites that cover updates and development in the hyperledger ecosystem.

Conclusion

Building a Dapp on Hyperledger Blockchain Offers Secure and permissioned network, flexibility, scalability, interoperability, and access to a supportive development community. We are a blockchain Dapp development company where you can get cutting-edge technology. Hyperledger has a vibrant community of developers , experts and resources that provide support, guidance and documentation for building DApps.

The Author

Anandi Sheladiya

Founder | CTO

About Author

Anandi S is dedicated to crafting groundbreaking products that are transforming the Web3,Blockchain and NFT landscape.

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