import { BitcoinRpcClient } from "../../core/rpc";
import { Block, Transaction, MempoolInfo, NetworkInfo, ChainInfo, BlockchainVisualizationResponse } from "../types/types";
/**
 * Service for fetching blockchain data for visualization
 */
export declare class BlockchainDataService {
    private readonly rpc;
    private cachedTxCount;
    private lastBlockHeight;
    constructor(rpc: BitcoinRpcClient);
    /**
     * Get basic chain information
     */
    getChainInfo(): Promise<ChainInfo>;
    /**
     * Get network information
     */
    getNetworkInfo(): Promise<NetworkInfo>;
    /**
     * Get mempool information
     */
    getMempoolInfo(): Promise<MempoolInfo>;
    /**
     * Get mempool transactions
     */
    getMempoolTransactions(): Promise<string[]>;
    /**
     * Get block count
     */
    getBlockCount(): Promise<number>;
    /**
     * Get a specific block by hash
     */
    getBlock(hash: string, verbosity?: number): Promise<Block>;
    /**
     * Get a block by height
     */
    getBlockByHeight(height: number, verbosity?: number): Promise<Block>;
    /**
     * Get the most recent blocks
     */
    getRecentBlocks(count?: number): Promise<Block[]>;
    /**
     * Get a new address from a wallet
     */
    getNewAddress(wallet: string): Promise<string>;
    /**
     * Get detailed transaction information
     */
    getTransaction(txid: string): Promise<Transaction>;
    /**
     * Get mining info
     */
    getMiningInfo(): Promise<any>;
    /**
     * Get wallet list
     */
    getWalletList(): Promise<string[]>;
    /**
     * Get UTXO set statistics
     */
    getUTXOStats(): Promise<any>;
    /**
     * Get blockchain data for visualization
     * Combines multiple queries for a complete visualization dataset
     */
    getBlockchainVisualizationData(blockCount?: number): Promise<BlockchainVisualizationResponse>;
    /**
     * Extract miner information from coinbase transaction
     */
    private extractMinerInfo;
    /**
     * Calculate estimated block fee
     */
    private calculateBlockFee;
    /**
     * Calculate mempool fees
     */
    private calculateMempoolFees;
    /**
     * Calculate total transaction count (approximate)
     */
    private calculateTotalTxCount;
    /**
     * Mine blocks - implementation for the real-time visualization
     */
    mineBlocks(numBlocks: number, address?: string): Promise<string[]>;
    /**
     * Create transaction - implementation for the real-time visualization
     */
    createTransaction(fromWallet: string, toAddress: string, amount: number): Promise<any>;
    /**
     * Check for new blocks since last check
     * Returns the new block if one was found
     */
    checkForNewBlocks(): Promise<Block | null>;
    /**
     * Check for new mempool transactions
     * Returns an array of new transaction IDs
     */
    checkForNewMempoolTransactions(previousTxids: string[]): Promise<string[]>;
}