import { CryptoSchema } from './types';
export interface GetKeyPairParams {
    mnemonic: string;
    derivation?: string;
    algorithm?: CryptoSchema;
}
/**
 * Get a base58 public key from an address
 * The returned string can be used to get the avatar from https://g1.data.e-is.pro/user/profile/{{base58}}/_image/avatar.png
 * @param address - The address to get the base58 public key from
 * @returns The base58 public key (without SS58 prefix)
 */
export declare function getBase58FromAddress(address: string): string;
/**
 * Get a public key from an address
 * @param address - The address to get the public key from
 * @returns The public key
 */
export declare function getPublicKey(address: string): Uint8Array<ArrayBufferLike>;
export interface GetKeyPairFromMiniSecretParams {
    miniSecret: string | Uint8Array;
    derivation?: string;
    algorithm?: CryptoSchema;
}
export declare function getKeyPairFromMiniSecret({ miniSecret, derivation, algorithm }: GetKeyPairFromMiniSecretParams): import('@polkadot-labs/hdkd-helpers').KeyPair;
/**
 * Get a key pair from a mnemonic and derivation
 * @param params - The parameters object
 * @param params.mnemonic - The mnemonic to use
 * @param params.derivation - The derivation to use
 * @param params.algorithm - The algorithm to use, default is ed25519
 * @returns A key pair
 */
export declare function getKeyPair({ mnemonic, derivation, algorithm }: GetKeyPairParams): import('@polkadot-labs/hdkd-helpers').KeyPair;
/**
 * Get a signer from a mnemonic and derivation
 * @param params - The parameters object
 * @param params.mnemonic - The mnemonic to use
 * @param params.derivation - The derivation to use
 * @param params.algorithm - The algorithm to use, default is ed25519
 * @returns A signer
 */
export declare function getSigner({ mnemonic, derivation, algorithm }: GetKeyPairParams): import('polkadot-api').PolkadotSigner;