interface dataInterface { code: number; message: string; } interface getAccountInterface extends dataInterface { data: null | Array; } interface getBlockInterface extends dataInterface { data: null | Object; } interface getBlockNumbeInterface extends dataInterface { data: null | Number; } interface getBalanceInterface extends dataInterface { data: null | string; } interface getTransactionInterface extends dataInterface { data: null | Object; } interface getTransactionCountInterface extends dataInterface { data: null | Number; } interface signInterface extends dataInterface { data: null | string; } interface signTransactionInterface extends dataInterface { data: null | Object; } interface sendSignedTransactionInterface extends dataInterface { data: null | string; } export { getAccountInterface, getBlockInterface, getBlockNumbeInterface, getBalanceInterface, getTransactionInterface, getTransactionCountInterface, signInterface, signTransactionInterface, sendSignedTransactionInterface };