import { Oracle, SignedPricesResponse } from "./types";
import { PendingOrderType } from "../../trade";
export interface FetchSignedPricesInput {
    oracles: Oracle[];
    pairs: number[];
    chain: number;
    minAnswer?: number;
    timeoutMs?: number;
}
export declare const fetchSignedPrices: (input: FetchSignedPricesInput) => Promise<SignedPricesResponse[] | null>;
export interface FetchSignedLookbackPricesInput {
    oracles: Oracle[];
    trader: string;
    tradeIndex: number;
    pair: number;
    orderType: PendingOrderType;
    currentBlock: number;
    fromBlock: number;
    chain: number;
    minAnswer?: number;
    timeoutMs?: number;
}
export declare const fetchSignedLookbackPrices: (input: FetchSignedLookbackPricesInput) => Promise<SignedPricesResponse[] | null>;
export interface RetryOptions {
    maxRetries?: number;
    retryDelayMs?: number;
    backoffMultiplier?: number;
}
export declare const fetchSignedPricesWithRetry: (input: FetchSignedPricesInput, retryOptions?: RetryOptions) => Promise<SignedPricesResponse[] | null>;
export declare const fetchSignedLookbackPricesWithRetry: (input: FetchSignedLookbackPricesInput, retryOptions?: RetryOptions) => Promise<SignedPricesResponse[] | null>;
export declare const validateSignedPricesPairs: (pairs: number[]) => {
    valid: boolean;
    pairs: number[];
};
export declare const isValidSignedPricesChain: (chainId: number) => boolean;
export declare const isValidSignedPricesOrderType: (orderType: PendingOrderType) => boolean;