@pooltogether/bnc-onboard/dist/esm/hd-wallet-51018814.js

Onboard users to web3 by allowing them to select a wallet, get that wallet ready to transact and have access to synced wallet state.

import * as ethUtil from 'ethereumjs-util';
import HDKey from 'hdkey';
import { Buffer } from 'buffer';
var publicToAddress = ethUtil.publicToAddress,
    toChecksumAddress = ethUtil.toChecksumAddress;
var numberToGet = 5;

function generateAddresses(account, offset) {
  var publicKey = account.publicKey,
      chainCode = account.chainCode,
      path = account.path;
  var hdk = new HDKey();
  hdk.publicKey = new Buffer(publicKey, 'hex');
  hdk.chainCode = new Buffer(chainCode, 'hex');
  var addresses = [];

  for (var i = offset; i < numberToGet + offset; i++) {
    var dkey = hdk.deriveChild(i);
    var address = publicToAddress(dkey.publicKey, true).toString('hex');
    addresses.push({
      dPath: "".concat(path, "/").concat(i),
      address: toChecksumAddress("0x".concat(address))
    });
  }

  return addresses;
}

function isValidPath(path) {
  var parts = path.split('/');

  if (parts[0] !== 'm') {
    return false;
  }

  if (parts[1] !== "44'") {
    return false;
  }

  if (!["60'", "1'", "73799'", "246'"].includes(parts[2])) {
    return false;
  }

  if (parts[3] === undefined || parts[3] === "0'") {
    return true;
  }

  var accountFieldNumber = Number(parts[3].slice(0, -1));

  if (isNaN(accountFieldNumber) || accountFieldNumber < 0 || parts[3].slice(-1) !== "'") {
    return false;
  }

  if (parts[4] === undefined) {
    return true;
  }

  var changeFieldNumber = Number(parts[4]);

  if (isNaN(changeFieldNumber) || changeFieldNumber < 0) {
    return false;
  }

  if (parts[5] === undefined) {
    return true;
  }

  var addressFieldNumber = Number(parts[5]);

  if (isNaN(addressFieldNumber) || addressFieldNumber < 0) {
    return false;
  }

  return true;
}

export { generateAddresses, isValidPath };