mirror of
https://github.com/pezkuwichain/pezkuwi-common.git
synced 2026-04-25 17:37:57 +00:00
35 lines
1.4 KiB
JavaScript
35 lines
1.4 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.secp256k1PairFromSeed = secp256k1PairFromSeed;
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const secp256k1_1 = require("@noble/curves/secp256k1");
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const util_1 = require("@pezkuwi/util");
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const wasm_crypto_1 = require("@pezkuwi/wasm-crypto");
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/**
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* @name secp256k1PairFromSeed
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* @description Returns a object containing a `publicKey` & `secretKey` generated from the supplied seed.
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*/
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function secp256k1PairFromSeed(seed, onlyJs) {
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if (seed.length !== 32) {
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throw new Error('Expected valid 32-byte private key as a seed');
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}
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if (!util_1.hasBigInt || (!onlyJs && (0, wasm_crypto_1.isReady)())) {
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const full = (0, wasm_crypto_1.secp256k1FromSeed)(seed);
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const publicKey = full.slice(32);
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// There is an issue with the secp256k1 when running in an ASM.js environment where
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// it seems that the lazy static section yields invalid results on the _first_ run.
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// If this happens, fail outright, we cannot allow invalid return values
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// https://github.com/polkadot-js/wasm/issues/307
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if ((0, util_1.u8aEmpty)(publicKey)) {
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throw new Error('Invalid publicKey generated from WASM interface');
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}
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return {
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publicKey,
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secretKey: full.slice(0, 32)
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};
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}
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return {
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publicKey: secp256k1_1.secp256k1.getPublicKey(seed, true),
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secretKey: seed
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};
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}
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