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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 | 1x 1x 1x 1x 1x 17x 17x 1x 15x 15x 1x 48x 48x 48x 48x 48x 1x 32x 32x 32x | import { ECPair, address as baddress, networks } from 'bitcoinjs-lib' import { randomBytes } from './encryption/cryptoRandom' import { createSha2Hash } from './encryption/sha2Hash' import { createHashRipemd160 } from './encryption/hashRipemd160' /** * * @param numberOfBytes * * @ignore */ export function getEntropy(arg: number): Buffer { Iif (!arg) { arg = 32 } return randomBytes(arg) } /** * @ignore */ export function makeECPrivateKey() { const keyPair = ECPair.makeRandom({ rng: getEntropy }) return keyPair.privateKey.toString('hex') } /** * @ignore */ export async function publicKeyToAddress(publicKey: string | Buffer) { const publicKeyBuffer = Buffer.isBuffer(publicKey) ? publicKey : Buffer.from(publicKey, 'hex') const sha2Hash = await createSha2Hash() const publicKeyHash160 = await createHashRipemd160().digest( await sha2Hash.digest(publicKeyBuffer) ) const address = baddress.toBase58Check(publicKeyHash160, networks.bitcoin.pubKeyHash) return address } /** * @ignore */ export function getPublicKeyFromPrivate(privateKey: string | Buffer) { const privateKeyBuffer = Buffer.isBuffer(privateKey) ? privateKey : Buffer.from(privateKey, 'hex') const keyPair = ECPair.fromPrivateKey(privateKeyBuffer) return keyPair.publicKey.toString('hex') } |