import { Interface } from '@ethersproject/abi';
import { LogDescription } from 'ethers/lib/utils';
import { DeepReadonly } from 'ts-essentials';
import { Address, Log, Logger } from '../../types';
import { StatefulEventSubscriber } from '../../stateful-event-subscriber';
import { IDexHelper } from '../../dex-helper';
import { BmwState } from './types';
export declare class WombatBmw extends StatefulEventSubscriber<BmwState> {
    protected network: number;
    protected dexHelper: IDexHelper;
    protected bmwAddress: Address;
    protected onAssetAdded: (pool: Address, blockNumber: number) => Promise<void>;
    static readonly bmwInterface: Interface;
    static readonly assetInterface: Interface;
    static readonly poolInterface: Interface;
    private readonly logDecoder;
    private bmwContract;
    private handlers;
    constructor(dexKey: string, name: string, network: number, dexHelper: IDexHelper, logger: Logger, bmwAddress: Address, onAssetAdded: (pool: Address, blockNumber: number) => Promise<void>);
    /**
     * 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<BmwState>, log: Readonly<Log>): Promise<DeepReadonly<BmwState> | 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.
     * should be generated
     * @returns state of the event subscriber at blocknumber
     */
    generateState(blockNumber: number): Promise<DeepReadonly<BmwState>>;
    handleAdd(event: LogDescription, state: DeepReadonly<BmwState>, log: Readonly<Log>): Promise<DeepReadonly<BmwState> | null>;
}