/// <reference types="node" />
import { SuiClient } from '@mysten/sui/client';
import { Transaction } from '@mysten/sui/transactions';
import { Buffer } from 'buffer';
export type ObjectId = string;
export declare class SuiPythClient {
    provider: SuiClient;
    pythStateId: ObjectId;
    wormholeStateId: ObjectId;
    private pythPackageId;
    private wormholePackageId;
    private priceTableInfo;
    private priceFeedObjectIdCache;
    private baseUpdateFee;
    constructor(provider: SuiClient, pythStateId: ObjectId, wormholeStateId: ObjectId, priceFeedObjectIdCache?: Record<string, ObjectId>);
    getBaseUpdateFee(): Promise<number>;
    /**
     * getPackageId returns the latest package id that the object belongs to. Use this to
     * fetch the latest package id for a given object id and handle package upgrades automatically.
     * @param objectId
     * @returns package id
     */
    getPackageId(objectId: ObjectId): Promise<ObjectId>;
    /**
     * Adds the commands for calling wormhole and verifying the vaas and returns the verified vaas.
     * @param vaas array of vaas to verify
     * @param tx transaction block to add commands to
     */
    verifyVaas(wormholePackageId: string, vaas: Buffer[], tx: Transaction): Promise<any[]>;
    /**
     * Adds the necessary commands for updating the pyth price feeds to the transaction block.
     * @param tx transaction block to add commands to
     * @param updates array of price feed updates received from the price service
     * @param feedIds array of feed ids to update (in hex format)
     */
    updatePriceFeeds(tx: Transaction, updates: Buffer[], feedIds: string[]): Promise<ObjectId[]>;
    /**
     * Get the packageId for the wormhole package if not already cached
     */
    getWormholePackageId(): Promise<string>;
    /**
     * Get the packageId for the pyth package if not already cached
     */
    getPythPackageId(): Promise<string>;
    /**
     * Get the priceFeedObjectId for a given feedId if not already cached
     * @param feedId
     */
    getPriceFeedObjectId(feedId: string): Promise<ObjectId | undefined>;
    /**
     * Fetches the price table object id for the current state id if not cached
     * @returns price table object id
     */
    getPriceTableInfo(): Promise<{
        id: ObjectId;
        fieldType: ObjectId;
    }>;
    /**
     * Obtains the vaa bytes embedded in an accumulator message.
     * @param accumulatorMessage - the accumulator price update message
     * @returns vaa bytes as a uint8 array
     */
    extractVaaBytesFromAccumulatorMessage(accumulatorMessage: Buffer): Buffer;
}