import { AuthorityId, DeviceId, HashedUserId } from "@virtonetwork/signer";
import { Binary, HexString } from "@polkadot-api/substrate-bindings";
import { Codec } from "scale-ts";
export type BlockHash = HexString;
export type hashedUserId = (userId: string) => Promise<Uint8Array>;
export interface CredentialsHandler {
    publicKeyCreateOptions(challenge: Uint8Array, user: PublicKeyCredentialUserEntity): Promise<CredentialCreationOptions["publicKey"]>;
    onCreatedCredentials(userId: string, credentials: PublicKeyCredential): Promise<void>;
    publicKeyRequestOptions(userId: string, challenge: Uint8Array): Promise<CredentialRequestOptions["publicKey"]>;
}
export type TAttestationMeta<Cx> = {
    authority_id: AuthorityId;
    device_id: DeviceId;
    context: Cx;
};
export type TAttestation<Cx> = {
    meta: TAttestationMeta<Cx>;
    authenticator_data: Binary;
    client_data: Binary;
    public_key: Binary;
};
export declare const Attestation: Codec<TAttestation<number>>;
export type TAssertionMeta<Cx> = {
    authority_id: AuthorityId;
    user_id: HashedUserId;
    context: Cx;
};
export type TAssertion<Cx> = {
    meta: TAssertionMeta<Cx>;
    authenticator_data: Binary;
    client_data: Binary;
    signature: Binary;
};
export declare const Assertion: Codec<TAssertion<number>>;