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plasma-js-lib is a JavaScript client library for interacting with PG Plasma clients. plasma-js-lib effectively wraps the JSON-RPC interface that our plasma clients expose and provides a nice API for app developers to work with.


There are several easy ways to start using plasma-js-lib!

Node.js Apps

If you're developing a Node.js application, you can simply install plasma-js-lib via npm:

$ npm install --save plasma-js-lib

Browser Apps

If you're developing a browser application, we provide a compressed and minified version of plasma-js-lib that you can include in a <script> tag.

<script src="" type="text/javascript"></script>


plasma-js-lib API documentation is available here.


Welcome! If you're looking to contribute to plasma-js-lib, you're in the right place.

Contributing Guide and CoC

Plasma Group follows a Contributing Guide and Code of Conduct adapted slightly from the Contributor Covenant. All contributors are expected to read through this guide. We're here to cultivate a welcoming and inclusive contributing environment, and every new contributor needs to do their part to uphold our community standards.

Requirements and Setup

Cloning the Repo

Before you start working on plasma-js-lib, you'll need to clone our GitHub repository:

git clone

Now, enter the repository.

cd plasma-js-lib


plasma-js-lib is tested and built with Node.js. Although you do not need Node.js to use this library in your application, you'll need to install Node.js (and its corresponding package manager, npm) for your system before contributing.

We've provided a detailed explanation of now to install Node.js on Windows, Mac, and Linux.

plasma-js-lib has been tested on the following versions of Node:

  • v8
  • v9
  • v10

If you're having trouble getting a component of plasma-js-lib running, please try installing one of the above versions of Node.js and try again. It's pretty easy to switch Node.js versions using n. First, install n globally.

npm install -g n

Next, install your desired verson of Node.js, say v10:

n 10


plasma-js-lib makes use of several npm packages.

Install all required packages with:

$ npm install

Running Tests

plasma-js-lib makes use of a combination of Mocha (a testing framework) and Chai (an assertion library) for testing.

Run all tests with:

$ npm test


We're using gulp to provide a process to build plasma-js-lib for in-browser usage.

If you'd like to build plasma-js-lib yourself, simply run:

$ npm run build



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