@ledgerhq/hw-app-starknet/lib/esm/helper.js

Ledger Hardware Wallet Starknet Application API

import s from "./_virtual/bn.js";
import { encode as u } from "starknet";
const f = 2147483648;
function m(e) {
  if (!e.startsWith("m/2645"))
    throw new Error(
      "Path should start with 'm/2645' (e.g 'm/2645'/1195502025'/1148870696'/0'/0'/0')"
    );
  const i = e.split("/"), a = new Uint8Array((i.length - 1) * 4), l = new DataView(a.buffer);
  for (let r = 1; r < i.length; r += 1) {
    let n = 0, t = i[r];
    t.endsWith("'") && (n += f, t = t.slice(0, -1));
    const o = Number(t);
    if (Number.isNaN(o))
      throw new Error(`Invalid path : ${t} is not a number.`);
    if (o >= f)
      throw new Error("Incorrect child value (bigger or equal to 0x80000000)");
    n += o, l.setUint32(4 * (r - 1), n);
  }
  return a;
}
function h(e) {
  return /^0x[0-9a-f]*$/i.test(e);
}
function p(e) {
  if (typeof e == "bigint" || typeof e == "number")
    return new s(e.toString());
  if (typeof e == "string")
    return e = e.toLowerCase(), h(e) ? new s(u.removeHexPrefix(e), "hex") : new s(e);
  throw new Error("Invalid input type for sanitizeHexBN");
}
export {
  h as isHex,
  m as serializePath,
  p as toBN
};