/// <reference types="node" />
import { MessageType } from '../MessageType';
import { IDlcMessage } from './DlcMessage';
import { HyperbolaPayoutCurvePieceJSON, PayoutCurvePiece, PolynomialPayoutCurvePieceJSON } from './PayoutCurvePiece';
/**
 * PayoutFunction contains the payout curve definition for numeric outcome contracts.
 * Updated to match rust-dlc format exactly.
 */
export declare class PayoutFunction implements IDlcMessage {
    static type: MessageType;
    /**
     * Creates a PayoutFunction from JSON data
     * @param json JSON object representing a payout function
     */
    static fromJSON(json: any): PayoutFunction;
    /**
     * Deserializes a payout_function message
     * @param buf
     */
    static deserialize(buf: Buffer): PayoutFunction;
    /**
     * The type for payout_function message. payout_function = 42790
     */
    type: MessageType;
    payoutFunctionPieces: IPayoutFunctionPiece[];
    lastEndpoint: IPayoutPoint;
    /**
     * Constructor that ensures proper initialization
     */
    constructor();
    /**
     * Converts payout_function to JSON
     */
    toJSON(): PayoutFunctionJSON;
    /**
     * Serializes the payout_function message into a Buffer
     */
    serialize(): Buffer;
}
export declare const PayoutFunctionV0: typeof PayoutFunction;
export type PayoutFunctionV0 = PayoutFunction;
interface IPayoutPoint {
    eventOutcome: bigint;
    outcomePayout: bigint;
    extraPrecision: number;
}
interface IPayoutPointJSON {
    eventOutcome: number;
    outcomePayout: number;
    extraPrecision: number;
}
interface IPayoutFunctionPiece {
    endPoint: IPayoutPoint;
    payoutCurvePiece: PayoutCurvePiece;
}
interface IPayoutFunctionPieceJSON {
    endPoint: IPayoutPointJSON;
    payoutCurvePiece: PolynomialPayoutCurvePieceJSON | HyperbolaPayoutCurvePieceJSON;
}
export interface PayoutFunctionJSON {
    type?: number;
    payoutFunctionPieces: IPayoutFunctionPieceJSON[];
    lastEndpoint: IPayoutPointJSON;
}
export type PayoutFunctionV0JSON = PayoutFunctionJSON;
export {};