Utilities for cryptocurrency wallets, written in TypeScript
Switch branches/tags
Nothing to show
Clone or download
Fetching latest commit…
Cannot retrieve the latest commit at this time.
Permalink
Type Name Latest commit message Commit time
Failed to load latest commit information.
.vscode
src
.babelrc
.gitignore
.npmignore
LICENSE
README.md
package.json
tsconfig.json
tslint.json
yarn.lock

README.md

wallet.ts

npm version Downloads

A collection of utilities for building cryptocurrency wallets, written in TypeScript.

Hierarchical Deterministic Wallets (BIP 32)

const { randomBytes } = require('crypto')
const { HDKey } = require('wallet.ts')

const seed = randomBytes(66)

const masterKey = HDKey.parseMasterSeed(seed)
// => HDKey {...}

const extendedPrivateKey = masterKey.derive("m/44'/60'/0'/0").extendedPrivateKey
// => 'xprvA2FBfTJAyLjF5 ...'

const childKey = HDKey.parseExtendedKey(extendedPrivateKey)
// => HDKey {...}

const wallet = childKey.derive('0')
// => HDKey {...}

const walletPrivateKey = wallet.privateKey
// => <Buffer 44 04 ce 4a ...>

const walletPublicKey = wallet.publicKey
// => <Buffer 03 e9 f6 10 ...>

View Source

Mnemonic code for generating deterministic keys (BIP 39)

const { randomBytes } = require('crypto')
const { Mnemonic } = require('wallet.ts')

const mnemonic = Mnemonic.generate(randomBytes(32))
// => Mnemonic {...}

const phrase = mnemonic.phrase
// => 'capital find public couple ...'

const words = mnemonic.words
// => [ 'capital', 'find', 'public', 'couple', ...]

const seed = mnemonic.toSeed()
// => <Buffer cd 07 60 43 ...>

View Source

Bitcoin Address

const { BitcoinAddress } = require('wallet.ts')

const publicKey = Buffer.from(
  '0250863ad64a87ae8a2fe83c1af1a8403cb53f53e486d8511dad8a04887e5b2352',
  'hex'
)

const address = BitcoinAddress.from(publicKey).address
// => '1PMycacnJaSqwwJqjawXBErnLsZ7RkXUAs'

const valid = BitcoinAddress.isValid(address)
// => true

View Source

Ethereum Address / EIP 55 checksum

const { EthereumAddress } = require('wallet.ts')

const publicKey = Buffer.from(
  '028a8c59fa27d1e0f1643081ff80c3cf0392902acbf76ab0dc9c414b8d115b0ab3',
  'hex'
)

const address = EthereumAddress.from(publicKey).address
// => 0xD11A13f484E2f2bD22d93c3C3131f61c05E876a

const valid = EthereumAddress.isValid(address)
// => true

const checksumAddress = EthereumAddress.checksumAddress('0xd11a13f484e2f2bd22d93c3c3131f61c05e876a')
// => 0xD11A13f484E2f2bD22d93c3C3131f61c05E876a

View Source


Copyright © 2017-2018 HardFork Inc. This project is licensed under the ISC license.