solana/web3.js

Solana JavaScript API

This is the Solana Javascript API built on the Solana JSON RPC API

Latest API Documentation

Installation

Yarn

$ yarn add @solana/web3.js

npm

$ npm install --save @solana/web3.js

Browser bundle

<!-- Development (un-minified) -->
<script src="https://unpkg.com/@solana/web3.js@latest/lib/index.iife.js"></script>

<!-- Production (un-minified) -->
<script src="https://unpkg.com/@solana/web3.js@latest/lib/index.iife.min.js"></script>

Development Environment Setup

Install the latest Solana release from https://docs.solana.com/cli/install-solana-cli-tools

Run test validator

Use solana-test-validator from the latest Solana release

BPF program development

Use cargo build-bpf from the latest Solana release

Usage

Javascript

const solanaWeb3 = require('@solana/web3.js');
console.log(solanaWeb3);

ES6

import * as solanaWeb3 from '@solana/web3.js';
console.log(solanaWeb3);

Browser bundle

// `solanaWeb3` is provided in the global namespace by the `solanaWeb3.min.js` script bundle.
console.log(solanaWeb3);

Examples

Example scripts for the web3.js repo and native programs:

• Web3 Examples

Example scripts for the Solana Program Library:

• Token Program Examples

Flow

A Flow library definition is provided at https://unpkg.com/@solana/web3.js@latest/module.flow.js. Download the file and add the following line under the [libs] section of your project's .flowconfig to activate it:

[libs]
node_modules/@solana/web3.js/module.flow.js

Releases

Releases are available on Github and npmjs.com

Each Github release features a tarball containing API documentation and a minified version of the module suitable for direct use in a browser environment (<script> tag)