@exodus/solana-web3.js/src/utils/secp256k1.ts

Solana Javascript API

import * as secp256k1 from '@noble/secp256k1';
// @ts-ignore
import hmac from 'create-hmac';

// Supply a synchronous hashing algorithm to make this
// library interoperable with the synchronous APIs in web3.js.
// secp256k1.utils.hmacSha256Sync = (key: Uint8Array, ...msgs: Uint8Array[]) => {
//   const h = hmac.create(sha256, key);
//   msgs.forEach(msg => h.update(msg));
//   return h.digest();
// };

secp256k1.utils.hmacSha256Sync = (key: Uint8Array, ...msgs: Uint8Array[]) => {
  const h = hmac('sha256', key);
  msgs.forEach(msg => h.update(msg));
  return new Uint8Array(h.digest());
};

export const ecdsaSign = (
  msgHash: Parameters<typeof secp256k1.signSync>[0],
  privKey: Parameters<typeof secp256k1.signSync>[1],
) => secp256k1.signSync(msgHash, privKey, {der: false, recovered: true});
export const isValidPrivateKey = secp256k1.utils.isValidPrivateKey;
export const publicKeyCreate = secp256k1.getPublicKey;