Hyperledger Besu is an open-source Ethereum client that supports the public Ethereum network, private Ethereum networks, and Ethereum test networks. It is built on Java and supports multiple consensus algorithms, including Proof of Work (PoW), Proof of Authority (PoA), and IBFT 2.0 (Istanbul Byzantine Fault Tolerance).
In this article, we will discuss how to Hyperledger Besu node deployment on a local machine.
Prerequisites
Before we begin with the installation process, make sure that you have the following prerequisites:
Java Development Kit (JDK) 11 or later version
Git client
Docker and Docker Compose
Installing Hyperledger Besu
To install Hyperledger Besu on your local machine, follow the steps below:
Step 1: Clone the Hyperledger Besu repository
Open your terminal and run the following command:
bash
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git clone https://github.com/hyperledger/besu.git
This command will clone the Hyperledger Besu repository on your local machine.
Step 2: Build the project
Navigate to the besu directory using the following command:
bash
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cd besu
Then, run the following command to build the project:
bash
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./gradlew installDist
This command will build the project and create a distribution of Hyperledger Besu in the build/install/besu directory.
Step 3: Start Hyperledger Besu
To start Hyperledger Besu, run the following command:
python
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./build/install/besu/bin/besu
This command will start Hyperledger Besu on your local machine.
Configuring Hyperledger Besu
By default, Hyperledger Besu runs with the PoW consensus algorithm. However, you can configure it to run with other consensus algorithms, such as PoA and IBFT 2.0.
To configure Hyperledger Besu, create a configuration file with the desired settings. For example, to configure Hyperledger Besu to run with the IBFT 2.0 consensus algorithm, create a file named ibft-config.toml with the following content:
makefile
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[ibft] blockperiodseconds = 1 epochlength = 30000 requesttimeoutseconds = 60 blockreward = 5000000000000000000 dissenterscount = 0 validators = [ "0xfe3b557e8fb62b89f4916b721be55ceb828dbd73", "0x627306090abaB3A6e1400e9345bC60c78a8BEf57", "0x4D8Aa5Ee8795F5d12B6A8737E8b9D167d7Fef5a6" ]
This configuration file sets the block period to 1 second, the epoch length to 30000 blocks, the request timeout to 60 seconds, and the block reward to 5 ETH. It also sets the number of dissenters to 0 and specifies the list of validators.
To start Hyperledger Besu with this configuration file, run the following command:
python
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./build/install/besu/bin/besu --config-file=ibft-config.toml
This command will start Hyperledger Besu with the IBFT 2.0 consensus algorithm using the configuration file specified.
Using Hyperledger Besu
Once Hyperledger Besu is up and running, you can interact with it using the JSON-RPC API. The JSON-RPC API provides a set of methods that allow you to interact with the Ethereum network.
For example, to check the current block number, run the following command:
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curl
There are many use cases for Hyperledger Besu, including building decentralized applications (dApps), running private Ethereum networks for enterprise use cases, and testing smart contracts on Ethereum test networks.
For example, if you are building a dApp that requires high transaction throughput, you can use Hyperledger Besu with the IBFT 2.0 consensus algorithm to achieve fast block times and high throughput. On the other hand, if you are running a private Ethereum network for an enterprise use case, you can use Hyperledger Besu with the PoA consensus algorithm to achieve fast finality and low energy consumption.
Hyperledger Besu also provides a rich set of features for interacting with the Ethereum network, such as the ability to create and manage Ethereum accounts, send and receive transactions, and query the blockchain. This makes it a great choice for developers who want to build decentralized applications that interact with the Ethereum network.
Overall, Hyperledger Besu is a powerful Ethereum client that provides a rich set of features and supports multiple consensus algorithms. By deploying Hyperledger Besu on your local machine, you can easily interact with the Ethereum network and build decentralized applications that leverage the power of blockchain technology.