import { JsonObjectStore } from '../../json/JsonObjectStore';
import { TTxWriterJson } from '../TxWriter';
import { GasWatcherTx, IGasWatcherCondition } from './GasWatcherTx';
export interface IGasWatcherStore {
    savePrice(enty: {
        date: Date;
        price: bigint;
    }): Promise<any>;
    loadPrices(from: Date, toDate: any): Promise<{
        date: Date;
        price: bigint;
    }[]>;
    saveTxs(pending: ReturnType<GasWatcherTx['toJSON']>[]): Promise<any>;
    loadTxs(): Promise<ReturnType<GasWatcherTx['toJSON']>[]>;
}
type GasWatcherTxJson = {
    condition: IGasWatcherCondition;
    writer: TTxWriterJson;
};
export declare class GasWatcherStore implements IGasWatcherStore {
    name: string;
    protected jsonStore: JsonObjectStore<GasWatcherTxJson[]>;
    constructor(name?: string);
    savePrice(enty: {
        date: Date;
        price: bigint;
    }): Promise<any>;
    loadPrices(from: Date, toDate: any): Promise<{
        date: Date;
        price: bigint;
    }[]>;
    saveTxs(txs: GasWatcherTxJson[]): Promise<any>;
    loadTxs(): Promise<GasWatcherTxJson[]>;
}
export {};