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import { randomBytes } from 'crypto'
import { ECPair, address as baddress, crypto as bcrypto } from 'bitcoinjs-lib'
/**
*
* @param numberOfBytes
*
* @ignore
*/
export function getEntropy(numberOfBytes: number) {
if (!numberOfBytes) {
numberOfBytes = 32
}
return randomBytes(numberOfBytes)
}
/**
* @ignore
*/
export function makeECPrivateKey() {
const keyPair = ECPair.makeRandom({ rng: getEntropy })
return keyPair.privateKey.toString('hex')
}
/**
* @ignore
*/
export function publicKeyToAddress(publicKey: string) {
const publicKeyBuffer = Buffer.from(publicKey, 'hex')
const publicKeyHash160 = bcrypto.hash160(publicKeyBuffer)
const address = baddress.toBase58Check(publicKeyHash160, 0x00)
return address
}
/**
* @ignore
*/
export function getPublicKeyFromPrivate(privateKey: string) {
const keyPair = ECPair.fromPrivateKey(Buffer.from(privateKey, 'hex'))
return keyPair.publicKey.toString('hex')
}
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