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2.5 KiB

Ethereum JavaScript API

This is the Ethereum compatible JavaScript API which implements the Generic JSON RPC spec. It's available on npm as a node module and also for bower and component as an embeddable js

NPM version Build Status dependency status dev dependency statusCoverage Status

Installation

Node.js

npm install ethereum.js

For browser

Bower

bower install ethereum.js

Component

component install ethereum/ethereum.js
  • Include ethereum.min.js in your html file.
  • Include bignumber.js

Usage

Require the library:

var web3 = require('web3');

Set a provider (QtSyncProvider, HttpSyncProvider)

web3.setProvider(new web3.providers.HttpSyncProvider());

There you go, now you can use it:

var coinbase = web3.eth.coinbase;
var balance = web3.eth.balanceAt(coinbase);

For another example see example/index.html.

Contribute!

Requirements

  • Node.js
  • npm
  • gulp (build)
  • mocha (tests)
sudo apt-get update
sudo apt-get install nodejs
sudo apt-get install npm
sudo apt-get install nodejs-legacy

Building (gulp)

npm run-script build

Testing (mocha)

npm test

Please note this repo is in it's early stage.

If you'd like to run a WebSocket ethereum node check out go-ethereum.

To install ethereum and spawn a node:

go get github.com/ethereum/go-ethereum/ethereum
ethereum -ws -loglevel=4