zkverifyjs/dist/commonjs/api/account/index.js

Submit proofs to zkVerify and query proof state with ease using our npm package.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.deriveChildAt = exports.canonicalAddress = exports.setupAccount = void 0;
const api_1 = require("@polkadot/api");
const util_crypto_1 = require("@polkadot/util-crypto");
const config_1 = require("../../config");
/**
 * Sets up the account using the provided secret seed phrase.
 *
 * @param {string} secretSeedPhrase - The secret seed phrase used to create the account.
 * @returns {KeyringPair} The initialized account.
 * @throws Will throw an error if the seed phrase is invalid.
 */
const setupAccount = (secretSeedPhrase) => {
    try {
        const keyring = new api_1.Keyring({ type: 'sr25519' });
        keyring.setSS58Format(config_1.CHAIN_SS58_PREFIX);
        return keyring.addFromUri(secretSeedPhrase);
    }
    catch (error) {
        if (error instanceof Error) {
            throw new Error(`Invalid seed phrase provided: ${error.message}`);
        }
        else {
            throw new Error('An unknown error occurred while setting up the account.');
        }
    }
};
exports.setupAccount = setupAccount;
/** Canonical SS58 address for a pair/public key (fixed to chain prefix). */
const canonicalAddress = (pairOrPublicKey) => {
    const pk = pairOrPublicKey instanceof Uint8Array
        ? pairOrPublicKey
        : pairOrPublicKey.publicKey;
    return (0, util_crypto_1.encodeAddress)(pk, config_1.CHAIN_SS58_PREFIX);
};
exports.canonicalAddress = canonicalAddress;
/**
 * Derives a hard child account at `//{index}` from `base`.
 * Returns the derived keypair, its SS58-encoded address (using `CHAIN_SS58_PREFIX`), and the derivation path.
 *
 * @param {KeyringPair} base - The base sr25519 keypair to derive from.
 * @param {number} index - The child index to derive at (hard path `//index`, appended to any existing path on `base`).
 * @returns {{ pair: KeyringPair, address: string, path: string }} The derived `pair`, its SS58 `address`, and the `path`.
 * @throws {Error} If derivation fails.
 */
const deriveChildAt = (base, index) => {
    const path = `//${index}`;
    try {
        const pair = base.derive(path);
        const address = (0, util_crypto_1.encodeAddress)(pair.publicKey, config_1.CHAIN_SS58_PREFIX);
        return { pair, address, path };
    }
    catch (error) {
        const msg = error instanceof Error ? error.message : 'unknown error';
        throw new Error(`Failed to derive child at ${path}: ${msg}`);
    }
};
exports.deriveChildAt = deriveChildAt;