Official JS BEOWULF Library

beowulf-js is the official Beowulf library for Javascript.

Main Functions Supported

1. CHAIN

• get_block
• get_transaction

2. TRANSACTION

• broadcast_transaction
• create transaction transfer
• create account

Requirements

• beowulf-js requires npm 6.9.0 or higher.

Installation

npm i beowulf-js

Configuration

For running on Mainnet

const beowulfjs = require('beowulf-js');
beowulfjs.config.set('chain_id', 'e2222eeabcf9224632c82ec86ba3d77b359e3b5cb8a089ddd45090c31c98e3f2');
beowulfjs.config.set('uri', 'https://bw.beowulfchain.com');

For running on Testnet

const beowulfjs = require('beowulf-js');
beowulfjs.config.set('chain_id', '430b37f23cf146d42f15376f341d7f8f5a1ad6f4e63affdeb5dc61d55d8c95a7');
beowulfjs.config.set('uri', 'https://testnet-bw.beowulfchain.com');

Init

const beowulfjs = require('beowulf-js');
let url = beowulfjs.config.get('uri');
beowulfjs.api.setOptions({ url: url, useAppbaseApi: true });

Example Usage

Get block

let blockNum = 232967;
beowulfjs.api.getBlock(blockNum, function(err, result) {
  console.log(err, result);
});

Get transaction

let trxId = '60207c8e17f47bf2790c927701792d95d42e3f46';
beowulfjs.api.getTransaction(trxId, function(err, result) {
  console.log(err, result);
});

Transfer native coin

Transfer BWF

let from = 'examplewallet';
let wif = '5Jxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'; // replace by your wif
let to = 'examplewallet2';
let amount = '4.00000 BWF';
let memo = 'example';
let fee = '0.01000 W'; // Minimum transfer fee

beowulfjs.broadcast.transfer(wif, from, to, amount, fee, memo, (err, result) => {
  console.log(err, result);
});

Transfer W

let from = 'examplewallet';
let wif = '5Jxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'; // replace by your wif
let to = 'examplewallet2';
let amount = '4.00000 W';
let memo = 'example';
let fee = '0.01000 W'; // Minimum transfer fee

beowulfjs.broadcast.transfer(wif, from, to, amount, fee, memo, (err, result) => {
  console.log(err, result);
});

Create wallet

let wallet = beowulfjs.wallet.generateWallet();

let ownerPubkey = 'BEO7GXMArUCaxq1kPNP4JkcnshVDyfpVTfEwL8e8FVAN6BgpU8Y1k';
let account = 'newwallet';
let creator = 'creatorwallet';
let creatorWif = '5Kxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'; // replace by your wif
let fee = '0.10000 W'; // Minimum account creation fee

beowulfjs.wallet.submitWallet({
  ownerPubkey,
  account,
  creator,
  creatorWif,
  fee
}, (err, result) => {

})