# bls-js

[![Build Status](https://travis-ci.org/ChainSafe/lodestar.svg?branch=master)](https://travis-ci.org/ChainSafe/lodestar)
[![codecov](https://codecov.io/gh/ChainSafe/lodestar/branch/master/graph/badge.svg)](https://codecov.io/gh/ChainSafe/lodestar)
![ETH2.0_Spec_Version 0.10.1](https://img.shields.io/badge/ETH2.0_Spec_Version-0.10.1-2e86c1.svg)

This is a Javascript library that implements BLS (Boneh-Lynn-Shacham) signatures and supports signature aggregation.

>[spec](https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#bls-signatures)
>[test vectors](https://github.com/ethereum/eth2.0-spec-tests/tree/master/tests/bls)

##### Notice: *0.3.x* branch and releases follows old [eth2 bls specitification](https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/bls_signature.md)

## Usage
- `yarn add @chainsafe/bls`

## Development
- `git clone --recursive git@github.com:ChainSafe/lodestar.git`
- `cd lodestar`
- `lerna bootstrap`
- `cd packages/bls`