// Copyright (C) 2026 Whiterun LLC,
// This software is licensed under the GNU Lesser General Public License (LGPL), version 3.0 or later.
// A copy of the license can be found in the LICENSE file or at https://www.gnu.org/licenses/lgpl-3.0.html

/**
 * BCH HD wallet derivation paths.
 * child_index values as used in hdwalletv1 protocol:
 *   0 = Receive (m/44'/145'/0'/0)
 *   1 = Change  (m/44'/145'/0'/1)
 *   7 = Cauldron (m/44'/145'/0'/7)
 */
export enum DerivationPath {
  Receive = 0,
  Change = 1,
  Cauldron = 7,
}

export function childIndexOfPath(path: DerivationPath): number {
  return path as number;
}

export function pathOfChildIndex(child: number): DerivationPath | undefined {
  switch (child) {
    case 0:
      return DerivationPath.Receive;
    case 1:
      return DerivationPath.Change;
    case 7:
      return DerivationPath.Cauldron;
    default:
      return undefined;
  }
}