import { Address } from 'viem';
import { HexString } from '../binary.js';
import { CiphertextOf, EncryptionScheme, PlaintextOf, SupportedTeeType } from '../encryption/encryption.js';
import { Handle } from '../handle.js';
import type { XwingKeypair } from '../lite/xwing.js';
import type { BackoffConfig } from '../retry.js';
/**
 * The core reencryption function type. Takes a handle (and optional ciphertext) and returns
 * the decrypted plaintext. Supports retry configuration for handles that are not yet available.
 *
 * @typeParam S - The encryption scheme (e.g. X-Wing).
 */
export type Reencryptor<S extends EncryptionScheme> = <T extends SupportedTeeType>(args: ReencryptFnArgs<S, T>, backoffConfig?: Partial<BackoffConfig>) => Promise<PlaintextOf<S, T>>;
/** Arguments required to construct a {@link Reencryptor}. */
export interface ReencryptorArgs {
    chainId: bigint;
}
/**
 * Arguments for a single reencryption call.
 *
 * @typeParam S - The encryption scheme.
 * @typeParam T - The ENCRYPTION type of the ciphertext.
 */
export type ReencryptFnArgs<S extends EncryptionScheme, T extends SupportedTeeType> = {
    handle: Handle;
    /**
     * Optional ciphertext hint. If provided, the reencrypt endpoint may use it directly
     * instead of fetching from the covalidators.
     */
    ciphertext?: CiphertextOf<S, T>;
};
/** Union of supported ephemeral keypair types for reencryption (currently X-Wing only). */
export type SupportedEphemeralKeypairs = XwingKeypair;
/** An object whose public key can be serialized to a `Uint8Array`. */
export interface PubKeyEncodable {
    encodePublicKey(): Uint8Array;
}
/**
 * A reencryption request to be sent to a reencrypt endpoint.
 *
 * @typeParam EKP - The type of ephemeral keypair used for the reencryption session.
 */
export interface ReencryptEndpointRequest<EKP extends SupportedEphemeralKeypairs> {
    userAddress: Address;
    handle: Handle;
    eip712Signature: HexString;
    ephemeralKeypair: EKP;
}