message: feat: create random private key with optional entropy
diff: @@ -136,9 +136,9 @@ export function createStacksPrivateKey(key: string | Buffer): StacksPrivateKey {
  return { data, compressed };
  }
  -export function makeRandomPrivKey(): StacksPrivateKey {
  +export function makeRandomPrivKey(entropy?: Buffer): StacksPrivateKey {
  const ec = new EC('secp256k1');
  - const options = { entropy: randomBytes(32) };
  + const options = { entropy: entropy || randomBytes(32) };
  const keyPair = ec.genKeyPair(options);
  const privateKey = keyPair.getPrivate().toString('hex', 32);
  return createStacksPrivateKey(privateKey);
  