/// <reference types="bn.js" />
/// <reference types="node" />
import { BN } from 'ethereumjs-util';
import { Block, BlockHeader, Receipt } from '@rei-network/structure';
import { DBOp } from './operation';
export declare function DBSetTD(TD: BN, blockNumber: BN, blockHash: Buffer): DBOp;
export declare function DBSetBlockOrHeader(blockBody: Block | BlockHeader): DBOp[];
export declare function DBSetHashToNumber(blockHash: Buffer, blockNumber: BN): DBOp;
export declare function DBSaveLookups(blockHash: Buffer, blockNumber: BN): DBOp[];
/**
 * Create Receipts operation for the given receipts
 * @param receipts - Target receipts
 * @param blockHash - Block hash
 * @param blockNumber - Block number
 * @returns New operation
 */
export declare function DBSaveReceipts(receipts: Receipt[], blockHash: Buffer, blockNumber: BN): DBOp;
/**
 * Create TxLookup operations for all transactions of the given block
 * @param block - Target block
 * @returns Array of operations
 */
export declare function DBSaveTxLookup(block: Block): DBOp[];
/**
 * Create BloomBits operation for the given section
 * @param bit - Bit index of target section
 * @param section - Section number
 * @param hash - Hash of the last block header of the target section
 * @param bits - Bloom bits data
 * @returns New operation
 */
export declare function DBSaveBloomBits(bit: number, section: BN, hash: Buffer, bits: Buffer): DBOp;
/**
 * Create BloomBitsSectionCount operation
 * @param section - Section number
 * @returns  New operation
 */
export declare function DBSaveBloomBitsSectionCount(section: BN): DBOp;
/**
 * Create a operation to delete BloomBitsSectionCount
 * @returns New operation
 */
export declare function DBDeleteBloomBitsSectionCount(): DBOp;
/**
 * Create a operation to save snapshot account
 * @param accountHash - Account hash
 * @param serializedAccount - Serialized account
 * @returns New operation
 */
export declare function DBSaveSerializedSnapAccount(accountHash: Buffer, serializedAccount: Buffer): DBOp;
/**
 * Create a operation to delete snapshot account
 * @param accountHash - Account hash
 * @returns New operation
 */
export declare function DBDeleteSnapAccount(accountHash: Buffer): DBOp;
/**
 * Create a operation to save snapshot account storage
 * @param accountHash - Account hash
 * @param storageHash - Storage hash
 * @param storageValue - Storage value
 * @returns New operation
 */
export declare function DBSaveSnapStorage(accountHash: Buffer, storageHash: Buffer, storageValue: Buffer): DBOp;
/**
 * Create a operation to delete snapshot account storage
 * @param accountHash - Account hash
 * @param storageHash - Storage hash
 * @returns New operation
 */
export declare function DBDeleteSnapStorage(accountHash: Buffer, storageHash: Buffer): DBOp;
/**
 * Create a operation to save snapshot root
 * @param root
 * @returns New operation
 */
export declare function DBSaveSnapRoot(root: Buffer): DBOp;
/**
 * Create a operation to delete snapshot root
 * @returns New operation
 */
export declare function DBDeleteSnapRoot(): DBOp;
/**
 * Create a operation to save snapshot journal
 * @param journal
 * @returns New operation
 */
export declare function DBSaveSnapJournal(journal: Buffer): DBOp;
/**
 * Create a operation to delete snapshot journal
 * @returns New operation
 */
export declare function DBDeleteSnapJournal(): DBOp;
/**
 * Create a operation to save snapshot generator
 * @param generator
 * @returns New operation
 */
export declare function DBSaveSnapGenerator(generator: Buffer): DBOp;
/**
 * Create a operation to delete snapshot generator
 * @returns New operation
 */
export declare function DBDeleteSnapGenerator(): DBOp;
/**
 * Create a operation to save snapshot disabled
 * @returns New operation
 */
export declare function DBSaveSnapDisabled(): DBOp;
/**
 * Create a operation to delete snapshot disabled
 * @returns
 */
export declare function DBDeleteSnapDisabled(): DBOp;
/**
 * Create a operation to save snapshot recovery
 * @returns
 */
export declare function DBSaveSnapRecoveryNumber(number: BN): DBOp;
/**
 * Create a operation to delete snapshot recovery
 * @returns
 */
export declare function DBDeleteSnapRecoveryNumber(): DBOp;
/**
 * Create a operation to save snapshot sync progress
 * @param progress
 * @returns New operation
 */
export declare function DBSaveSnapSyncProgress(progress: Buffer): DBOp;