import { BigNumber, CallOverrides } from 'ethers';
import { Context } from '@derivation-tech/context';
import { Instrument, InstrumentIdentifier, Portfolio, TokenInfo, ByBase, ByQuote, TradeInfo, Position, TxOptions } from '../types';
import { Leverage, MarketType, Side } from '../enum';
import { BlockInfoStructOutput, PortfolioStructOutput } from '../typechain/Observer';
export declare function quickRetry<T>(fn: () => Promise<T>, times?: number, interval?: number): Promise<T>;
export declare function getLeverageFromImr(imr: number): Leverage;
export declare function alignExpiry(): number;
export declare function alignTick(tick: number, tickSpacing: number): number;
export declare function getMinTick(tickSpacing: number): number;
export declare function getMaxTick(tickSpacing: number): number;
export declare function getMaxLiquidityPerTick(tickSpacing: number): BigNumber;
export declare function rangeKey(tickLower: number, tickUpper: number): number;
export declare function orderKey(tick: number, nonce: number): number;
export declare function parseTicks(key: number): {
    tickLower: number;
    tickUpper: number;
};
export declare function parseOrderTickNonce(key: number): {
    tick: number;
    nonce: number;
};
export declare function normalizeTick(originTick: number, tickSpacing: number): number;
export declare function solidityRequire(condition: boolean, message?: string): void;
export declare function tickDeltaToAlphaWad(tickDelta: number): BigNumber;
export declare function alphaWadToTickDelta(alphaWad: BigNumber): number;
export declare function decomposePbitmap(pbitmap: BigNumber): number[];
export declare function trimObj<T>(obj: T & {
    length: number;
}): T;
export declare function formatExpiry(expiry: number): string;
export declare function dateExpiry2Ts(expiry: string): number;
export declare function getTokenSymbol(base: string | TokenInfo, quote: string | TokenInfo): {
    baseSymbol: string;
    quoteSymbol: string;
};
export declare function getTokenInfo(instrumentIdentifier: InstrumentIdentifier, ctx: Context): Promise<{
    baseTokenInfo: TokenInfo;
    quoteTokenInfo: TokenInfo;
}>;
export declare function isEmptyPortfolio(portfolio: Portfolio): boolean;
export declare function isCexMarket(marketType: MarketType): boolean;
export declare function sizeToSide(size: BigNumber): Side;
export declare function signOfSide(side: Side): number;
export declare function isByBase(size: ByBase | ByQuote): size is ByBase;
export declare function isPosition(info: TradeInfo | Position): info is Position;
export declare function isPortfolio(info: TradeInfo | Portfolio): info is Portfolio;
export declare function isInstrument(instrument: Instrument | InstrumentIdentifier): instrument is Instrument;
export declare function toPopulatedTxOverrides(txOptions?: TxOptions): CallOverrides;
export declare function toPortfolio(instrumentAddr: string, expiry: number, traderAddr: string, resp: {
    portfolio: PortfolioStructOutput;
    blockInfo: BlockInfoStructOutput;
}): Portfolio;
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