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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 | 2x 2x | import bsv from 'bsv'; export const Utils = { /** * Helper function for encoding strings to hex * * @param string * @returns {string} */ hexEncode(string) { return '0x' + Buffer.from(string).toString('hex'); }, /** * Helper function for encoding strings to hex * * @param hexString * @param encoding * @returns {string} */ hexDecode(hexString, encoding = '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 * @returns {boolean} */ isHex(value) { if (typeof value !== 'string') { return false } return /^[0-9a-fA-F]+$/.test(value) }, }; |