Official JS BEOWULF Library
beowulf-js
is the official Beowulf library for Javascript.
Main Functions Supported
- CHAIN
- get_block
- get_transaction
- 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) => {
})