Press n or j to go to the next uncovered block, b, p or k for the previous block.
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 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 | 1x 1x 1x 1x 1x 1x 17x 17x 1x 15x 15x 1x 48x 48x 48x 48x 1x 32x 32x 32x 1x 46x 46x 45x 45x 1x 1x 1x 15x 15x 15x 1x 88x 88x 88x | import { ECPair, address, networks } from 'bitcoinjs-lib' import { randomBytes } from './encryption/cryptoRandom' import { hashSha256Sync } from './encryption/sha2Hash' import { hashRipemd160 } from './encryption/hashRipemd160' import { config } from './config' /** * * @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 function publicKeyToAddress(publicKey: string | Buffer) { const publicKeyBuffer = Buffer.isBuffer(publicKey) ? publicKey : Buffer.from(publicKey, 'hex') const publicKeyHash160 = hashRipemd160(hashSha256Sync(publicKeyBuffer)) const result = address.toBase58Check(publicKeyHash160, networks.bitcoin.pubKeyHash) return result } /** * @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') } /** * Time * @private * @ignore */ export function hexStringToECPair(skHex: string): ECPair.ECPairInterface { const ecPairOptions = { network: config.network.layer1, compressed: true } if (skHex.length === 66) { Iif (skHex.slice(64) !== '01') { throw new Error('Improperly formatted private-key hex string. 66-length hex usually ' + 'indicates compressed key, but last byte must be == 1') } return ECPair.fromPrivateKey(Buffer.from(skHex.slice(0, 64), 'hex'), ecPairOptions) } else Iif (skHex.length === 64) { ecPairOptions.compressed = false return ECPair.fromPrivateKey(Buffer.from(skHex, 'hex'), ecPairOptions) } else { throw new Error('Improperly formatted private-key hex string: length should be 64 or 66.') } } /** * * @ignore */ export function ecPairToHexString(secretKey: ECPair.ECPairInterface) { const ecPointHex = secretKey.privateKey.toString('hex') Eif (secretKey.compressed) { return `${ecPointHex}01` } else { return ecPointHex } } /** * Creates a bitcoin address string from an ECPair * @private * @ignore */ export function ecPairToAddress(keyPair: ECPair.ECPairInterface) { const sha256 = hashSha256Sync(keyPair.publicKey) const hash160 = hashRipemd160(sha256) return address.toBase58Check(hash160, keyPair.network.pubKeyHash) } |