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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 | 1x 1x 1x 17x 17x 17x 1x 15x 15x 1x 48x 48x 48x 48x 1x 32x 32x | import { randomBytes, randomFillSync } from 'crypto' import { ECPair, address as baddress, crypto as bcrypto } from 'bitcoinjs-lib' /** * * @param numberOfBytes * * @ignore */ export function getEntropy(arg: Buffer | number): Buffer { Iif (!arg) { arg = 32 } Eif (typeof arg === 'number') { return randomBytes(arg) } else { return randomFillSync(arg) } } /** * @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') } |