import { PublicKey, PrivateKey } from '@mailchain/crypto';

declare function verifyEthereumPersonalMessage(key: PublicKey, message: Uint8Array, signature: Uint8Array): Promise<boolean>;
declare function signEthereumPersonalMessage(key: PrivateKey, message: Uint8Array): Promise<Uint8Array>;
declare function getMessageHash(message: Uint8Array): Promise<Uint8Array>;

export { getMessageHash, signEthereumPersonalMessage, verifyEthereumPersonalMessage };