import { DB, Deposit as DepositSql, Config, Proposal } from '@zkopru/database';
import { Grove, GrovePatch } from '@zkopru/tree';
import AsyncLock from 'async-lock';
import { Bytes32, Uint256 } from 'soltypes';
import { Fp } from '@zkopru/babyjubjub';
import { TokenRegistry, ZkTx } from '@zkopru/transaction';
import { Block, Header, MassDeposit } from '../block';
import { BootstrapData } from '../node/bootstrap';
import { SNARKVerifier, VerifyingKey } from '../snark/snark-verifier';
export interface Patch {
    block: Bytes32;
    header: Header;
    prevHeader: Header;
    massDeposits?: Bytes32[];
    treePatch: GrovePatch;
    nullifiers?: Uint256[];
}
export interface PendingMassDeposits {
    massDeposits: MassDeposit[];
    leaves: Fp[];
    totalFee: Fp;
    calldataSize: number;
}
export declare class L2Chain {
    config: Config;
    snarkVerifier: SNARKVerifier;
    lock: AsyncLock;
    grove: Grove;
    tokenRegistry: TokenRegistry;
    db: DB;
    constructor(db: DB, grove: Grove, config: Config, vks: {
        [txType: string]: VerifyingKey;
    });
    latestBlock(): Promise<Bytes32>;
    getBlockByNumber(blockNum: number): Promise<Block | null>;
    getBlock(hash: Bytes32): Promise<Block | null>;
    getProposalByNumber(proposalNum: number, includeBlock?: boolean): Promise<any>;
    getProposalByCanonicalNumber(canonicalNum: number, includeBlock?: boolean): Promise<any>;
    getProposal(hash: Bytes32, includeBlock?: boolean): Promise<any>;
    getTxByHash(hash: string | Bytes32): Promise<any>;
    getDeposits(...massDeposits: MassDeposit[]): Promise<DepositSql[]>;
    getPendingMassDeposits(): Promise<PendingMassDeposits>;
    getOldestUnprocessedBlock(): Promise<undefined | {
        parent: Header;
        block: Block;
        proposal: Proposal;
    }>;
    isUncleBlock(parentBlock: Bytes32, proposalNum: number): Promise<boolean>;
    isValidTx(zkTx: ZkTx): Promise<boolean>;
    applyBootstrap(block: Block, bootstrapData: BootstrapData): Promise<void>;
    getGrovePatch(block: Block): Promise<GrovePatch>;
    getTokenRegistry(): Promise<TokenRegistry>;
}
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