@ledgerhq/hw-app-aptos/lib-es/bip32.js

Ledger Hardware Wallet Aptos Application API

/**
 * @file bip32.ts
 * @description BIP32 Path Handling for Aptos Wallets
 *
 * This file provides utility functions to handle BIP32 paths,
 * which are commonly used in hierarchical deterministic (HD) wallets.
 * It includes functions to convert BIP32 paths to and from different formats,
 * extract components from extended public keys (xpubs), and manipulate path elements.
 */
import bippath from "bip32-path";
export function pathElementsToBuffer(paths) {
    const buffer = Buffer.alloc(1 + paths.length * 4);
    buffer[0] = paths.length;
    paths.forEach((element, index) => {
        buffer.writeUInt32BE(element, 1 + 4 * index);
    });
    return buffer;
}
export function bip32asBuffer(path) {
    const pathElements = !path ? [] : pathStringToArray(path);
    return pathElementsToBuffer(pathElements);
}
export function pathStringToArray(path) {
    return bippath.fromString(path).toPathArray();
}
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