import { SKDB } from './../ipfs/ipfs.interface';
import { Block } from './../../mate/block';
import { PBNode } from '@ipld/dag-pb';
import BigNumber from 'bignumber.js';
export declare class BlockRoot {
    constructor(db: SKDB);
    static setSize: number;
    rootCid: string;
    rootNode: PBNode;
    db: SKDB;
    init: (rootCid: string) => Promise<void>;
    genIndex: (number: BigNumber) => {
        setIndex: number;
        curIndex: number;
    };
    addBlockToRootNode: (cid: string, number: BigNumber) => Promise<void>;
    deleteFromStartNUmber: (number: BigNumber) => Promise<void>;
    getBlockCidByNumber: (number: BigNumber) => Promise<string | undefined>;
    getSetByNumber: (number: BigNumber) => Promise<string[] | undefined>;
    getSetAfterNumber: (number: BigNumber) => Promise<string[] | undefined>;
    getBlockByNumber: (number: BigNumber) => Promise<Omit<Block, "body"> | undefined>;
    getHeaderBlock: () => Promise<Omit<Block, "body">>;
    save: () => Promise<string>;
}