nemtech / Catapult Server
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catapult-server
Symbol-based networks rely on nodes to provide a trustless, high-performance, and secure blockchain platform.
These nodes are deployed using catapult-server software, a C++ rewrite of the previous Java-written NEM distributed ledger that has been running since 2015.
Learn more about the protocol by reading the whitepaper and the developer documentation.
Package Organization
catapult-server code is organized as follows:
| Folder name | Description |
|---|---|
| /extensions | Modules that add features to the bare catapult-server. These capabilities are all optional because none of them impact consensus. |
| /external | External dependencies that are built with the server. |
| /plugins | Modules that introduce new and different ways to alter the chain's state via transactions. |
| /resources | Default properties. These can be configured per network and node. |
| /scripts | Utility scripts for developers. |
| /sdk | Reusable code used by tests and tools. |
| /seed | Nemesis blocks used in tests. |
| /src | Symbol's core engine. |
| /tests | Collection of tests. |
| /tools | Tools to deploy and monitor networks and nodes. |
Versioning
Versioning starting with 1.0.0.0 release. Testnet releases use odd numbers for minor field.
| description | versions |
|---|---|
| example mainnet build numbers | 1.0.0.0, 1.2.x.x, 1.4.x.x, 2.2.x.x, 3.4.x.x |
| example testnet build numbers | 1.1.0.0, 1.3.x.x, 1.5.x.x, 2.3.x.x, 3.5.x.x |
Building the Image
To compile catapult-server source code, follow the developer notes.
Running catapult-server
catapult-server executable can be used either to run different types of nodes or to launch new networks. This section contains the instructions on how to run the catapult-server for various purposes.
Test Network Node
Developers can deploy test net nodes to experiment with the offered transaction set in a live network without the loss of valuable assets.
To run a test net node, follow this guide.
Main Network Node
At the time of writing, the main public network has not been launched. Follow the latest updates about the public launch on the Forum.
Private Test Network
With Symbol, businesses can launch and extend private networks by developing custom plugins and extensions at the protocol level. The package Service Bootstrap contains the necessary setup scripts to deploy a network for testing and development purposes with just one command.
To run a private test net, follow this guide.
Private Network
Instructions on how to launch a secure and production-ready private chain will be released here.
Contributing
Before contributing please read this.
Getting Help
- Symbol Developer Documentation
- Symbol Whitepaper
- Join the community slack group (#help)
- If you found a bug, open a new issue
License
Copyright (c) 2018 Jaguar0625, gimre, BloodyRookie, Tech Bureau, Corp Licensed under the GNU Lesser General Public License v3