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 | 4x 2x 5x 5x 5x 5x 2x 5x 5x 5x | import bsv from 'bsv'; import {PathPrefix} from "./interface"; export const Utils = { /** * Helper function for encoding strings to hex * * @param string * @returns {string} */ hexEncode(string: string) { return '0x' + Buffer.from(string).toString('hex'); }, /** * Helper function for encoding strings to hex * * @param hexString string * @param encoding BufferEncoding * @returns {string} */ hexDecode(hexString: string, encoding: BufferEncoding = 'utf8') { return Buffer.from(hexString.replace('0x', ''), 'hex').toString(encoding); }, /** * Helper function to generate a random nonce * * @returns {string} */ getRandomString(length = 32) { return bsv.crypto.Random.getRandomBuffer(length).toString('hex'); }, /** * Test whether the given string is hex * * @param value any * @returns {boolean} */ isHex(value: any) { if (typeof value !== 'string') { return false; } return /^[0-9a-fA-F]+$/.test(value); }, /** * Get a signing path from a hex number * * @param hexString {string} * @param hardened {boolean} Whether to return a hardened path * @returns {string} */ getSigningPathFromHex(hexString: string, hardened = true) { // "m/0/0/1" let signingPath = 'm'; const signingHex = hexString.match(/.{1,8}/g); const maxNumber = 2147483648 - 1; // 0x80000000 signingHex?.forEach((hexNumber) => { let number = Number('0x' + hexNumber); if (number > maxNumber) number -= maxNumber; signingPath += `/${number}${(hardened ? "'" : '')}`; }); return signingPath; }, /** * Increment that second to last part from the given part, set the last part to 0 * * @param path string * @returns {*} */ getNextIdentityPath(path: string): PathPrefix { const pathValues = path.split('/'); const secondToLastPart = pathValues[pathValues.length - 2]; let hardened = false; if (secondToLastPart.match('\'')) { hardened = true; } const nextPath = (Number(secondToLastPart.replace(/[^0-9]/g, '')) + 1).toString(); pathValues[pathValues.length - 2] = nextPath + (hardened ? '\'' : ''); pathValues[pathValues.length - 1] = '0' + (hardened ? '\'' : ''); return pathValues.join('/') as PathPrefix; }, /** * Increment that last part of the given path * * @param path string * @returns {*} */ getNextPath(path: string) { const pathValues = path.split('/'); const lastPart = pathValues[pathValues.length - 1]; let hardened = false; if (lastPart.match('\'')) { hardened = true; } const nextPath = (Number(lastPart.replace(/[^0-9]/g, '')) + 1).toString(); pathValues[pathValues.length - 1] = nextPath + (hardened ? '\'' : ''); return pathValues.join('/'); }, }; |