import BigNumber from 'bignumber.js';
import Web3 = require('web3');
import { TransactionReceipt, Subscribe } from 'web3/types';
import { Block, Transaction, BlockType } from 'web3/eth/types';
import { ITransactionRequest } from '../transactionRequest/ITransactionRequest';
import PromiEvent from 'web3/promiEvent';
export declare enum Networks {
    Private = 0,
    Mainnet = 1,
    Morden = 2,
    Ropsten = 3,
    Rinkeby = 4,
    RSKTestNet = 31,
    Kovan = 42,
    Docker = 1001,
    Development = 1002,
    Tobalaba = 401697
}
declare type EAC_NETWORK_NAME = 'mainnet' | 'ropsten' | 'rinkeby' | 'rsk_testnet' | 'kovan' | 'docker' | 'development' | 'tobalaba' | 'tester';
export default class Util {
    static getWeb3FromProviderUrl(providerUrl: string): Web3;
    static isHTTPConnection(url: string): boolean;
    static isWatchingEnabled(web3: Web3): Promise<boolean>;
    static isWSConnection(url: string): boolean;
    static testProvider(providerUrl: string): Promise<boolean>;
    /**
     * @TODO refactor, use this synchronous method instead of async call to contract in eac
     *
     * @param callGas
     * @param callValue
     * @param gasPrice
     * @param fee
     * @param bounty
     */
    static calcEndowment(callGas: any, callValue: any, gasPrice: any, fee: any, bounty: any): BigNumber;
    static estimateMaximumExecutionGasPrice(bounty: BigNumber, gasPrice: BigNumber, callGas: BigNumber): BigNumber;
    static estimateBountyForExecutionGasPrice(gasPrice: BigNumber, callGas: BigNumber, additionalGasPrice: BigNumber): BigNumber;
    private web3;
    constructor(web3: Web3);
    isNetworkSupported(): Promise<boolean>;
    isNotNullAddress(address: string): boolean;
    checkValidAddress(address: string): boolean;
    getTransactionRequestAddressFromReceipt(receipt: TransactionReceipt): string;
    sendRawTransaction(transaction: string): PromiEvent<TransactionReceipt>;
    getABI(name: string): any;
    /**
     * Returns the string argument of the detected network.
     *
     * @param {Web3} web3
     */
    getChainName(): Promise<EAC_NETWORK_NAME>;
    getRequestFactoryStartBlock(): Promise<BlockType>;
    balanceOf(account: string): Promise<BigNumber>;
    getBlock(blockNumber?: BlockType): Promise<Block>;
    getTimestampForBlock(blockNum: BlockType): Promise<number>;
    getTransactionCount(address: string): Promise<number>;
    getReceipt(transactionHash: string): Promise<TransactionReceipt>;
    getTransaction(transactionHash: string): Promise<Transaction>;
    toHex(value: any): string;
    getContractsAddresses(): Promise<EACAddresses>;
    stopFilter(filter: Subscribe<any>): Promise<boolean>;
    getAverageBlockTime(): Promise<number>;
    calculateGasAmount(txRequest: ITransactionRequest): BigNumber;
    waitForConfirmations(sentTransaction: PromiEvent<TransactionReceipt>, desiredConfirmations?: number): Promise<TransactionReceipt>;
}
export {};