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 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 | 1x 8x 7x 5x 26x 1x 26x 78x 78x 26x 123x 123x 2x 24x 45x 45x 44x 44x 1x 1x 15x 15x 15x 87x 20x 20x 20x 620x 620x 620x 32x 32x 32x 32x 32x 32x | /* @flow */ import url from 'url' import { ECPair, address, crypto } from 'bitcoinjs-lib' import { config } from './config' export const BLOCKSTACK_HANDLER = 'blockstack' /** * Time * @private */ export function nextYear() { return new Date( new Date().setFullYear( new Date().getFullYear() + 1 ) ) } export function nextMonth() { return new Date( new Date().setMonth( new Date().getMonth() + 1 ) ) } export function nextHour() { return new Date( new Date().setHours( new Date().getHours() + 1 ) ) } /** * Query Strings * @private */ export function updateQueryStringParameter(uri: string, key: string, value: string) { const re = new RegExp(`([?&])${key}=.*?(&|$)`, 'i') const separator = uri.indexOf('?') !== -1 ? '&' : '?' if (uri.match(re)) { return uri.replace(re, `$1${key}=${value}$2`) } else { return `${uri}${separator}${key}=${value}` } } /** * Versioning * @param {string} v1 - the left half of the version inequality * @param {string} v2 - right half of the version inequality * @returns {bool} iff v1 >= v2 * @private */ export function isLaterVersion(v1: string, v2: string) { if (v1 === undefined) { v1 = '0.0.0' } Iif (v2 === undefined) { v2 = '0.0.0' } const v1tuple = v1.split('.').map(x => parseInt(x, 10)) const v2tuple = v2.split('.').map(x => parseInt(x, 10)) for (let index = 0; index < v2.length; index++) { Iif (index >= v1.length) { v2tuple.push(0) } if (v1tuple[index] < v2tuple[index]) { return false } } return true } export function hexStringToECPair(skHex: string) { const ecPairOptions = { network: config.network.layer1, compressed: true } if (skHex.length === 66) { Iif (skHex.slice(64) !== '01') { throw new Error('Improperly formatted private-key hex string. 66-length hex usually ' + 'indicates compressed key, but last byte must be == 1') } return ECPair.fromPrivateKey(new Buffer(skHex.slice(0, 64), 'hex'), ecPairOptions) } else Iif (skHex.length === 64) { ecPairOptions.compressed = false return ECPair.fromPrivateKey(new Buffer(skHex, 'hex'), ecPairOptions) } else { throw new Error('Improperly formatted private-key hex string: length should be 64 or 66.') } } export function ecPairToHexString(secretKey: ECPair) { const ecPointHex = secretKey.privateKey.toString('hex') Eif (secretKey.compressed) { return `${ecPointHex}01` } else { return ecPointHex } } export function ecPairToAddress(keyPair: ECPair) { return address.toBase58Check(crypto.hash160(keyPair.publicKey), keyPair.network.pubKeyHash) } /** * UUIDs * @private */ export function makeUUID4() { let d = new Date().getTime() Iif (typeof performance !== 'undefined' && typeof performance.now === 'function') { d += performance.now() // use high-precision timer if available } return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, (c) => { const r = (d + Math.random() * 16) % 16 | 0 d = Math.floor(d / 16) return (c === 'x' ? r : (r & 0x3 | 0x8)).toString(16) }) } /** * Checks if both urls pass the same origin check & are absolute * @param {[type]} uri1 first uri to check * @param {[type]} uri2 second uri to check * @return {Boolean} true if they pass the same origin check * @private */ export function isSameOriginAbsoluteUrl(uri1: string, uri2: string) { const parsedUri1 = url.parse(uri1) const parsedUri2 = url.parse(uri2) const port1 = parseInt(parsedUri1.port, 10) | 0 || (parsedUri1.protocol === 'https:' ? 443 : 80) const port2 = parseInt(parsedUri2.port, 10) | 0 || (parsedUri2.protocol === 'https:' ? 443 : 80) const match = { scheme: parsedUri1.protocol === parsedUri2.protocol, hostname: parsedUri1.hostname === parsedUri2.hostname, port: port1 === port2, absolute: (uri1.includes('http://') || uri1.includes('https://')) && (uri2.includes('http://') || uri2.includes('https://')) } return match.scheme && match.hostname && match.port && match.absolute } |