import { PublicKey } from '@solana/web3.js';
import BN from 'bn.js';
/**
 * Slab instruction discriminators
 */
export declare enum SlabInstruction {
    Initialize = 0,
    CommitFill = 1
}
/**
 * Order side
 */
export declare enum OrderSide {
    Bid = 0,
    Ask = 1
}
/**
 * Order type
 */
export declare enum OrderType {
    Limit = 0,
    PostOnly = 1,
    ImmediateOrCancel = 2,
    FillOrKill = 3
}
/**
 * Order book level
 */
export interface BookLevel {
    price: BN;
    size: BN;
    numOrders: number;
}
/**
 * Order book snapshot
 */
export interface OrderBook {
    bids: BookLevel[];
    asks: BookLevel[];
    lastUpdate: BN;
}
/**
 * Order placement parameters
 */
export interface PlaceOrderParams {
    user: PublicKey;
    side: OrderSide;
    orderType: OrderType;
    price: BN;
    size: BN;
    clientOrderId?: BN;
}
/**
 * Order cancellation parameters
 */
export interface CancelOrderParams {
    user: PublicKey;
    orderId: BN;
}
/**
 * Open order information
 */
export interface OpenOrder {
    orderId: BN;
    user: PublicKey;
    side: OrderSide;
    price: BN;
    size: BN;
    filled: BN;
    timestamp: BN;
}
/**
 * Trade information
 */
export interface Trade {
    maker: PublicKey;
    taker: PublicKey;
    price: BN;
    size: BN;
    timestamp: BN;
    isBuyerMaker: boolean;
}
/**
 * Quote level - single price level in QuoteCache
 */
export interface QuoteLevel {
    /** Price (1e6 scale) */
    price: BN;
    /** Available quantity at this level (1e6 scale) */
    availableQty: BN;
}
/**
 * Quote cache - router-readable best bid/ask levels from slab
 * Each slab maintains top 4 bid and ask levels for fast price discovery
 */
export interface QuoteCache {
    /** Snapshot of slab seqno when cache was last updated */
    seqnoSnapshot: number;
    /** Best 4 bid levels (sorted descending by price) */
    bestBids: QuoteLevel[];
    /** Best 4 ask levels (sorted ascending by price) */
    bestAsks: QuoteLevel[];
}
/**
 * Slab quotes with full market data
 * Returned by getSlabQuotes() for smart routing
 */
export interface SlabQuotes {
    /** Slab market address */
    slab: PublicKey;
    /** Instrument being traded on this slab */
    instrument: PublicKey;
    /** Mark price from oracle (1e6 scale) */
    markPrice: BN;
    /** Quote cache with best bid/ask levels */
    cache: QuoteCache;
}