@polkadot/util-crypto/cjs/sr25519/vrfSign.js

A collection of useful crypto utilities for @polkadot

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.sr25519VrfSign = sr25519VrfSign;
const tslib_1 = require("tslib");
const utils_1 = require("@noble/hashes/utils");
const sr25519 = tslib_1.__importStar(require("@scure/sr25519"));
const util_1 = require("@polkadot/util");
const EMPTY_U8A = new Uint8Array();
/**
 * @name sr25519VrfSign
 * @description Sign with sr25519 vrf signing (deterministic)
 */
function sr25519VrfSign(message, { secretKey }, context = EMPTY_U8A, extra = EMPTY_U8A) {
    if (secretKey?.length !== 64) {
        throw new Error('Invalid secretKey, expected 64-bytes');
    }
    return sr25519.vrf.sign((0, util_1.u8aToU8a)(message), secretKey, (0, util_1.u8aToU8a)(context), (0, util_1.u8aToU8a)(extra), utils_1.randomBytes);
    // return vrfSign(secretKey, u8aToU8a(context), u8aToU8a(message), u8aToU8a(extra));
}