Lisk: Defined in CryptoCurrency
What is the Lisk SDK?
The Lisk SDK is designed to provide an easy and reliable software development kit for building blockchain applications which are compatible with the Lisk Protocol.
The codebase is written entirely in JavaScript and TypeScript, which is highly beneficial for the majority of developers, as no significant change of tools are required to get started.
The Lisk SDK makes every effort to ensure developers are easily able to focus purely and simply on writing the code that is required for their own blockchain application and nothing else.
The Lisk SDK ecosystem
The Lisk SDK operates on the Node.js runtime and consists primarily of an application framework (Lisk Framework). This consists of a collection of libraries providing blockchain application functionalities (Lisk Elements), and a powerful Command Line Interface (Lisk Commander), which allows developers to manage a Lisk node instance and interact with a Lisk compatible network.
A detailed explanation regarding the underlying architecture of the Lisk Framework is described at Architectural overview
SDK components
| Directory | Description |
|---|---|
Lisk Framework is an application framework responsible for establishing and maintaining the interactions between the modules of a Lisk blockchain application. | |
Lisk Elements is a collection of libraries, each of them implementing some form of blockchain application functionality such as cryptography, transactions, p2p, etc. Each library is designed to be compatible with the Lisk Protocol. | |
Lisk Commander is a command line tool which allows the management of a Lisk node instance and interaction with a Lisk compatible network. |
Usage
Dependencies
The following dependencies need to be installed to run the Lisk SDK:
| Dependencies | Version |
|---|---|
Node.js | v12 (latest) |
Installation
Installation of the Lisk SDK is straightforward and only requires getting a single NPM package lisk-sdk, to your Node.js project as shown below:
npm install lisk-sdkLisk SDK is an all-in-one package that provides the tools to create, run and maintain blockchain applications in JavaScript.
In the case whereby only a specific functionality is required, it is possible to install only the relevant package as shown below:
npm install lisk-commander
npm install @liskhq/lisk-client | Install Lisk Commander. | |
| Install Lisk Elements client package. |
| View the full list of Lisk Elements’ packages |
Getting started
To get started with the Lisk SDK and the development of a blockchain application, please refer to the following sections in the documentation:
Quickstart
The quickest way to bootstrap a blockchain application with the Lisk SDK is described on the Quickstart page.
Tutorials
The Tutorials explain in detail how to build a specific blockchain application. All examples provided in the tutorials describe how to implement simple, but valid industry use cases.
The tutorials overview page provides an informative overview about all existing tutorials, including the estimated time and the skill level required to complete each specific tutorial.
| All code for the example apps that is used in the tutorials is also available in the lisk-sdk-examples repository on GitHub. |
The Lisk protocol
The Lisk protocol is the set of rules followed by a blockchain created with the Lisk SDK using the default configuration. It contains various development-agnostic specifications about the Lisk SDK.
It is a good location to look up certain topics in order to gain a deeper understanding, or to further explore the SDK in a scientific direction.
Architecture
The architecture pages contain various explanations about the architecture of the Lisk Framework.
It contains the following chapters:
How-To Guides
The development guides are dedicated how-to guides which cover specific topics required to build a blockchain application with the Lisk SDK.
The most relevant guides for beginners are:
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