import Decimal from 'decimal.js';
import BN from 'bn.js';
import { AccountInfo, PublicKey } from '@solana/web3.js';
import { OracleSettings, Side } from '../../layouts/oracle';
import { OraclePrice } from './oracle';
declare class Observation {
    timestamp: BN;
    cumT0Price: BN;
    cumT1Price: BN;
    constructor(params: {
        timestamp: BN;
        cumT0Price: BN;
        cumT1Price: BN;
    });
    static decode(data: Buffer, offset?: number): [Observation, number];
    sub(other: Observation): Observation;
    add(other: Observation): Observation;
    getWeightedObservation(time: BN): Observation;
    adjustToTimestamp(targetTimestamp: BN, observationPrev: Observation): Observation;
    getTwap(side: Side): BN;
}
declare class VaultState {
    mint: PublicKey;
    owner: PublicKey;
    amount: string;
    constructor(params: {
        mint: PublicKey;
        owner: PublicKey;
        amount: string;
    });
    static decode(data: Buffer, offset?: number): [VaultState, number];
}
declare class PoolState {
    ammConfig: PublicKey;
    poolCreator: PublicKey;
    token0Vault: PublicKey;
    token1Vault: PublicKey;
    lpMint: PublicKey;
    token0Mint: PublicKey;
    token1Mint: PublicKey;
    token0Program: PublicKey;
    token1Program: PublicKey;
    observationKey: PublicKey;
    authBump: number;
    status: number;
    lpMintDecimals: number;
    mint0Decimals: number;
    mint1Decimals: number;
    lpSupply: BN;
    protocolFeesToken0: BN;
    protocolFeesToken1: BN;
    fundFeesToken0: BN;
    fundFeesToken1: BN;
    openTime: BN;
    recentEpoch: BN;
    creatorFeeOn: number;
    enableCreatorFee: boolean;
    padding1: number[];
    creatorFeesToken0: BN;
    creatorFeesToken1: BN;
    padding: BN[];
    constructor(params: {
        ammConfig: PublicKey;
        poolCreator: PublicKey;
        token0Vault: PublicKey;
        token1Vault: PublicKey;
        lpMint: PublicKey;
        token0Mint: PublicKey;
        token1Mint: PublicKey;
        token0Program: PublicKey;
        token1Program: PublicKey;
        observationKey: PublicKey;
        authBump: number;
        status: number;
        lpMintDecimals: number;
        mint0Decimals: number;
        mint1Decimals: number;
        lpSupply: BN;
        protocolFeesToken0: BN;
        protocolFeesToken1: BN;
        fundFeesToken0: BN;
        fundFeesToken1: BN;
        openTime: BN;
        recentEpoch: BN;
        creatorFeeOn: number;
        enableCreatorFee: boolean;
        padding1: number[];
        creatorFeesToken0: BN;
        creatorFeesToken1: BN;
        padding: BN[];
    });
    static decode(data: Buffer, offset?: number): [PoolState, number];
}
export declare class RaydiumCPMMOracle {
    static deriveObservationKey(poolId: PublicKey): [PublicKey, number];
    static getObservationAtIndex(observations: Observation[], index: number): Observation;
    static getObservationAtTimestamp(timestamp: BN, observations: Observation[], startIndex: number): Observation;
    static getDeltaObservations(currentTime: BN, observations: Observation[], observationIndex: number, primarySeconds: BN, secondarySeconds: BN): Observation[];
    static getDecimals(side: Side, mint0Decimals: number, mint1Decimals: number): number;
    /**
     * Calculate spot price from pool reserves after subtracting all fees.
     * Returns: { netBase, netQuote, spotPrice } where spotPrice is in USD per base token.
     */
    static getSpotPriceWithReserves(poolState: PoolState, vault0State: VaultState, vault1State: VaultState, side: Side, quotePrice: OraclePrice): {
        netBase: Decimal;
        netQuote: Decimal;
        spotPrice: Decimal;
    };
    static getTwapPrimary(currentTime: BN, observations: Observation[], observationIndex: number, side: Side, primarySeconds: BN, secondarySeconds: BN, mint0Decimals: number, mint1Decimals: number): Decimal;
    static getTwapSecondary(currentTime: BN, observations: Observation[], observationIndex: number, side: Side, primarySeconds: BN, secondarySeconds: BN, mint0Decimals: number, mint1Decimals: number): Decimal;
    /**
     * Calculate max price impact for minLiquidity trade in both directions (buy and sell).
     * Uses constant-product AMM formulas:
     * - BUY: delta_base_out = netBase * delta_q / (netQuote + delta_q)
     * - SELL: delta_quote_out = netQuote * delta_base / (netBase + delta_base)
     */
    static calculateMaxPriceImpactForMinLiquidity(oracleParams: OracleSettings, netBase: Decimal, netQuote: Decimal, spotPriceUsd: Decimal, quotePrice: OraclePrice): Decimal;
    static fetch(oracleParams: OracleSettings, accountInfos: AccountInfo<Buffer>[], solPrice: OraclePrice, usdPrice: OraclePrice): OraclePrice;
}
export {};