@xlink-network/xlink-sdk/lib/chunk-UZKY7HXV.mjs

XLINK js SDK

import {
  XLinkSDKErrorBase
} from "./chunk-KTUPNUM5.mjs";

// src/utils/hexHelpers.ts
function decodeHex(hex) {
  let hexString = hex.startsWith("0x") ? hex.slice(2) : hex;
  if (hexString.length % 2) hexString = `0${hexString}`;
  const length = hexString.length / 2;
  const bytes = new Uint8Array(length);
  for (let index = 0, j = 0; index < length; index++) {
    const nibbleLeft = charCodeToBase16(hexString.charCodeAt(j++));
    const nibbleRight = charCodeToBase16(hexString.charCodeAt(j++));
    if (nibbleLeft === void 0 || nibbleRight === void 0) {
      throw new XLinkSDKErrorBase(
        `Invalid byte sequence ("${hexString[j - 2]}${hexString[j - 1]}" in "${hexString}").`
      );
    }
    bytes[index] = nibbleLeft * 16 + nibbleRight;
  }
  return bytes;
}
var charCodeMap = {
  zero: 48,
  nine: 57,
  A: 65,
  F: 70,
  a: 97,
  f: 102
};
function charCodeToBase16(char) {
  if (char >= charCodeMap.zero && char <= charCodeMap.nine)
    return char - charCodeMap.zero;
  if (char >= charCodeMap.A && char <= charCodeMap.F)
    return char - (charCodeMap.A - 10);
  if (char >= charCodeMap.a && char <= charCodeMap.f)
    return char - (charCodeMap.a - 10);
  return void 0;
}
function encodeHex(value) {
  let string = "";
  for (let i = 0; i < value.length; i++) {
    string += hexes[value[i]];
  }
  return string;
}
var hexes = Array.from(
  { length: 256 },
  (_v, i) => i.toString(16).padStart(2, "0")
);
function encodeZeroPrefixedHex(value) {
  return `0x${encodeHex(value)}`;
}

export {
  decodeHex,
  encodeHex,
  encodeZeroPrefixedHex
};
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