import { Schema } from 'effect';
import { HexString } from './binary.js';
export declare const HANDLE_VERSION = 0;
export declare const handleTypes: Readonly<{
    ebool: 0;
    euint4: 1;
    euint8: 2;
    euint16: 3;
    euint32: 4;
    euint64: 5;
    euint128: 6;
    euint160: 7;
    euint256: 8;
    ebytes64: 9;
    ebytes128: 10;
    ebytes256: 11;
}>;
export declare const HandleTypeName: Schema.SchemaClass<"ebool" | "euint4" | "euint8" | "euint16" | "euint32" | "euint64" | "euint128" | "euint160" | "euint256" | "ebytes64" | "ebytes128" | "ebytes256", "ebool" | "euint4" | "euint8" | "euint16" | "euint32" | "euint64" | "euint128" | "euint160" | "euint256" | "ebytes64" | "ebytes128" | "ebytes256", never>;
export type HandleTypeName = typeof HandleTypeName.Type;
export type HandleTypes = typeof handleTypes;
export type FheType = HandleTypes[keyof HandleTypes];
export declare function isFheType(value: number): value is FheType;
export declare const InputContext: Schema.Struct<{
    hostChainId: typeof Schema.BigInt;
    aclAddress: Schema.TemplateLiteral<`0x${string}`>;
    userAddress: Schema.TemplateLiteral<`0x${string}`>;
    contractAddress: Schema.TemplateLiteral<`0x${string}`>;
}>;
export type InputContext = typeof InputContext.Type;
export type Handle = HexString;
export declare function getHandleType(handle: HexString): FheType;
/**
 *  Computes the prehandle hash for an input based on the ciphertext
 *
 * @param ciphertextPayload Note this is the different from the input which has the external handle prepended
 * @param indexHandle
 * @param handleType
 * @param handleVersion
 */
export declare function computePrehandle({ ciphertext, indexHandle, handleType, handleVersion, }: {
    ciphertext: Uint8Array;
    indexHandle: number;
    handleType: FheType;
    handleVersion: number;
}): Buffer;
/**
 * Computes the final handle for an input based on the prehandle and the input context, matches the handle generation
 * in Go and Solidity
 *
 * @param prehandle
 * @param context
 */
export declare function computeHandle({ prehandle, context, }: {
    prehandle: Uint8Array;
    context: InputContext;
}): Buffer;
export declare function hashInputContext(context: InputContext): Buffer;