@tronlink/core/src/utils/checkSignParams.ts

The library serves as a core module within TronLink Extension, which provides low-level wallet functionality for both Tron and Ethereum networks, primary features includes account generation and transaction signing

import { InvalidParameterError } from '../base_wallet/error';
import { SignParams } from '../base_wallet/types';

export function checkSignParams(params: SignParams) {
  if (!params || !params.privateKey || !params.data || Object.keys(params.data).length <= 0) {
    throw new InvalidParameterError();
  }
}