Blockchain Explorer
An open-source utility to browse and analyze activity on Hyperledger Fabric blockchain networks.
Overview
Hyperledger Explorer is an open-source blockchain explorer designed specifically for Hyperledger Fabric networks. It provides a simple and powerful interface to browse blockchain activity, including blocks, transactions, chaincodes, and network components. The tool supports multiple versions of Hyperledger Fabric (v2.2, v2.4, v2.5) and Node.js versions 12, 14, and 16, ensuring compatibility with current Fabric deployments. It is maintained by Hyperledger Labs and is actively developed with regular releases and community support.
The explorer can be deployed either via Docker containers or by building from source code, supporting macOS and Ubuntu environments. It requires a PostgreSQL database for storing blockchain data and supports configuration through JSON files and environment variables. Users can connect the explorer to their Fabric network by providing connection profiles and crypto material, enabling real-time monitoring and historical data analysis. It offers a bootup mode feature to control how many blocks to load on startup, optimizing performance for large networks.
What sets Hyperledger Explorer apart is its tight integration with Hyperledger Fabric, making it a go-to tool for Fabric network operators and developers who need detailed insights into network activity. Unlike generic blockchain explorers, it understands Fabric's architecture, including channels, peers, and chaincodes. It is open source under the Apache 2.0 license, allowing customization and extension. The project includes comprehensive documentation, troubleshooting guides, and active CI/CD pipelines to ensure stability and quality.
Typical use cases include monitoring Fabric test networks during development, auditing transaction flows in enterprise deployments, and debugging chaincode interactions. Getting started involves cloning the GitHub repository, configuring the database and network profiles, and running the explorer either locally or via Docker. The project encourages users to refer to official Fabric tutorials and provides example configuration files to simplify setup.
The Problem
Blockchain network operators and developers often lack easy-to-use tools to visualize and analyze activity on Hyperledger Fabric networks. Without such tools, monitoring transaction flows, chaincode executions, and network health is complex and error-prone.
The Solution
Key Features
Real-time blockchain activity browsing
View blocks, transactions, chaincodes, and network components in an intuitive UI.
Bootup mode configuration
Control how many blocks to load on startup for performance tuning.
PostgreSQL backend storage
Stores blockchain data in a relational database for efficient querying.
Key Strengths
How Developers Use Blockchain Explorer
Monitoring Hyperledger Fabric test networks
Developers use Explorer to visualize transactions and blocks during Fabric chaincode development and testing.
Enterprise blockchain network auditing
Operations teams audit transaction histories and peer activities to ensure compliance and network health.
Debugging chaincode and network issues
Engineers analyze detailed blockchain data to troubleshoot chaincode execution and network configuration problems.
Works Well WithBitcoinEthereum
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Pricing
Open Source | |
|---|---|
| Price (Monthly) | Free |
| Price (Annual) | Free |
| Messaging | N/A |
| Support | Community support via GitHub |
| Analytics |
Resources
Hyperledger Explorer provides extensive resources including detailed documentation, configuration guides, troubleshooting notes, and example files to help users deploy and customize the explorer effectively.