import { H160 } from '@polkadot/types/interfaces';
import { KeyringPair } from '@polkadot/keyring/types';
import { Address20MultiAddress, EthereumKeyPair, HexString } from './payloads.js';
/**
 * Creates a Random Ethereum key
 */
export declare function createRandomKey(): EthereumKeyPair;
/**
 * Create a partial KeyringPair from an Ethereum address
 */
export declare function ethereumAddressToKeyringPair(ethereumAddress: H160): KeyringPair;
/**
 * Returns unified 32 bytes SS58 accountId
 * @param pair
 */
export declare function getUnifiedAddress(pair: KeyringPair): string;
/**
 * Returns ethereum style public key with suffixed 0xee example: 0x19a701d23f0ee1748b5d5f883cb833943096c6c4eeeeeeeeeeeeeeeeeeeeeeee
 * @param pair
 */
export declare function getUnifiedPublicKey(pair: KeyringPair): Uint8Array;
export declare function reverseUnifiedAddressToEthereumAddress(unifiedAddress: HexString): HexString;
/**
 * converts an ethereum account to SS58 format
 * @param accountId20Hex
 */
export declare function getSS58AccountFromEthereumAccount(accountId20Hex: string): string;
/**
 *
 * @param secretKey of secp256k1 keypair exported from any wallet (should be 32 bytes)
 */
export declare function getKeyringPairFromSecp256k1PrivateKey(secretKey: Uint8Array): KeyringPair;
/**
 * Convert a keyPair into a 20 byte ethereum address
 * @param pair
 */
export declare function getAccountId20MultiAddress(pair: KeyringPair): Address20MultiAddress;