@polkadot/util-crypto/key/fromPath.js

A collection of useful crypto utilities for @polkadot

import { keyHdkdEcdsa } from './hdkdEcdsa.js';
import { keyHdkdEd25519 } from './hdkdEd25519.js';
import { keyHdkdSr25519 } from './hdkdSr25519.js';
const generators = {
    ecdsa: keyHdkdEcdsa,
    ed25519: keyHdkdEd25519,
    // FIXME This is Substrate-compatible, not Ethereum-compatible
    ethereum: keyHdkdEcdsa,
    sr25519: keyHdkdSr25519
};
export function keyFromPath(pair, path, type) {
    const keyHdkd = generators[type];
    let result = pair;
    for (const junction of path) {
        result = keyHdkd(result, junction);
    }
    return result;
}