minterjs-util/dist/cjs/coin-symbol.js

Utils for Minter

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.bufferToCoin = bufferToCoin;
exports.coinToBuffer = coinToBuffer;
/**
 * Make 10 bytes padded Buffer from coin symbol string
 * @param {string} [coinSymbol='']
 * @returns {Buffer}
 */
function coinToBuffer() {
  var coinSymbol = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '';
  var buf = Buffer.alloc(10);
  Buffer.from(coinSymbol.toUpperCase()).copy(buf, 0, 0, 10);
  return buf;
}

/**
 * Convert 10 bytes padded Buffer to string of coin symbol
 * @param {Buffer} buf
 * @return {string}
 */
function bufferToCoin(buf) {
  var sliceEnd = buf.length;
  while (buf[sliceEnd - 1] === 0) {
    sliceEnd -= 1;
  }
  buf = buf.slice(0, sliceEnd);
  return buf.toString('utf8');
}