mirror of https://github.com/hyperledger/besu
An enterprise-grade Java-based, Apache 2.0 licensed Ethereum client https://wiki.hyperledger.org/display/besu
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137 lines
3.9 KiB
137 lines
3.9 KiB
description: Building Pantheon from source code
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# Build from Source
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## Prerequisites
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* [Java JDK](http://www.oracle.com/technetwork/java/javase/downloads/index.html)
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!!!important
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Pantheon requires Java 11+ to compile; earlier versions are not supported.
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* [Git](https://git-scm.com/downloads) or [GitHub Desktop](https://desktop.github.com/)
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## Running Locally
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* [Installation on Linux / Unix / Mac OS X](#installation-on-linux-unix-mac-os-x)
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* [Installation on Windows](#installation-on-windows)
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## Running On Virtual Machine
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* [Installation on VM](#installation-on-vm)
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## Installation on Linux / Unix / Mac OS X
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###Clone the Pantheon Repository
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Clone the **PegaSysEng/pantheon** repo to your home directory (`/home/<user>`):
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```bash
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git clone --recursive https://github.com/PegaSysEng/pantheon.git
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```
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### Build Pantheon
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After cloning, go to the `pantheon` directory.
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Build Pantheon with the Gradle wrapper `gradlew`, omitting tests as follows:
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```bash
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./gradlew build -x test
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```
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Go to the distribution directory:
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```bash
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cd build/distributions/
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```
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Expand the distribution archive:
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```bash
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tar -xzf pantheon-<version>.tar.gz
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```
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Move to the expanded folder and display the Pantheon help to confirm installation.
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````bash
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cd pantheon-<version>/
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bin/pantheon --help
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````
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!!! note "Linux Open File Limit"
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If synchronizing to MainNet on Linux or other chains with large data requirements, increase the maximum number
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of open files allowed using `ulimit`. If the open files limit is not high enough, a `Too many open files` RocksDB exception occurs.
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Continue with [Starting Pantheon](../Getting-Started/Starting-Pantheon.md).
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## Installation on Windows
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!!!note
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Pantheon is currently supported only on 64-bit versions of Windows, and requires a 64-bit version of JDK/JRE.
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We recommend that you also remove any 32-bit JDK/JRE installations.
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### Install Pantheon
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In Git bash, go to your working directory for repositories. Clone the `PegaSysEng/pantheon` repo into this directory:
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```bat
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git clone --recursive https://github.com/PegaSysEng/pantheon
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```
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### Build Pantheon
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Go to the `pantheon` directory:
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```bat
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cd pantheon
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```
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Open a Windows command prompt. Build Pantheon with the Gradle wrapper `gradlew`, omitting tests as follows:
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```bat
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.\gradlew build -x test
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```
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!!!note
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To run `gradlew`, you must have the **JAVA_HOME** system variable set to the Java installation directory.
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For example: `JAVA_HOME = C:\Program Files\Java\jdk1.8.0_181`.
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Go to the distribution directory:
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```bat
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cd build\distributions
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```
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Expand the distribution archive:
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```bat
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tar -xzf pantheon-<version>.tar.gz
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```
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Move to the expanded folder and display the Pantheon help to confirm installation.
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```bat
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cd pantheon-<version>
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bin\pantheon --help
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```
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Continue with [Starting Pantheon](../Getting-Started/Starting-Pantheon.md).
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## Installation on VM
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You can run Pantheon on a virtual machine (VM) on a cloud service such as AWS or Azure, or locally using a VM manager such as [VirtualBox](https://www.virtualbox.org/).
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If you set up your own VM locally using a VM manager such as [VirtualBox](https://www.virtualbox.org/), there are a few considerations:
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* Make sure that Intel Virtualization Technology (VTx) and Virtualization Technology for Directed I/O (VT-d) are enabled in BIOS settings.
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* On Windows, you might need to disable Hyper-V in the Windows Feature list.
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It is recommended that you create a VM with the following attributes:
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* Memory Size: Set to 4096 (recommended)
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* Create a virtual hard disk with at least 10 GB; 20 GB is recommended
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* Virtual hard disk file type: VDI (if you need to share it with other apps, use VHD)
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* (Optional) You can create a shared directory in order to copy block files or genesis files from the host computer to the VM. For details on how to create a shared directory, see "Share Folders" in [Install Ubuntu on Oracle VirtualBox](https://linus.nci.nih.gov/bdge/installUbuntu.html). |