import { Interface } from '@ethersproject/abi';
import { DeepReadonly } from 'ts-essentials';
import { Log, Logger } from '../../types';
import { StatefulEventSubscriber } from '../../stateful-event-subscriber';
import { IDexHelper } from '../../dex-helper/idex-helper';
import { PoolState } from './types';
export declare class StkGHOEventPool extends StatefulEventSubscriber<PoolState> {
    readonly poolName: string;
    readonly parentName: string;
    protected network: number;
    protected dexHelper: IDexHelper;
    protected stkGHOIface: Interface;
    handlers: {
        [event: string]: (event: any, state: DeepReadonly<PoolState>, log: Readonly<Log>) => DeepReadonly<PoolState> | null;
    };
    logDecoder: (log: Log) => any;
    addressesSubscribed: string[];
    constructor(poolName: string, parentName: string, network: number, dexHelper: IDexHelper, logger: Logger, stkGHOIface?: Interface);
    getIdentifier(): string;
    /**
     * The function is called every time any of the subscribed
     * addresses release log. The function accepts the current
     * state, updates the state according to the log, and returns
     * the updated state.
     * @param state - Current state of event subscriber
     * @param log - Log released by one of the subscribed addresses
     * @returns Updates state of the event subscriber after the log
     */
    protected processLog(state: DeepReadonly<PoolState>, log: Readonly<Log>): DeepReadonly<PoolState> | null;
    /**
     * The function generates state using on-chain calls. This
     * function is called to regenerate state if the event based
     * system fails to fetch events and the local state is no
     * more correct.
     * @param blockNumber - Blocknumber for which the state should
     * should be generated
     * @returns state of the event subscriber at blocknumber
     */
    generateState(blockNumber: number): Promise<DeepReadonly<PoolState>>;
    handleExchangeRateChanged(event: any, state: DeepReadonly<PoolState>, log: Readonly<Log>): DeepReadonly<PoolState> | null;
}