import { FeeRates, TxHash, TxHistoryParams } from '@xchainjs/xchain-client';
import { Address, Asset, Chain } from '@xchainjs/xchain-util';
import { Balance, Tx, TxsPage, UTXO, UtxoOnlineDataProvider } from '../../types';
import { BlockcypherNetwork } from './blockcypher-api-types';
export declare class BlockcypherProvider implements UtxoOnlineDataProvider {
    private baseUrl;
    private _apiKey?;
    private asset;
    private assetDecimals;
    private blockcypherNetwork;
    constructor(baseUrl: string | undefined, _chain: Chain, asset: Asset, assetDecimals: number, blockcypherNetwork: BlockcypherNetwork, apiKey?: string);
    get apiKey(): string | undefined;
    set apiKey(value: string | undefined);
    broadcastTx(txHex: string): Promise<TxHash>;
    getConfirmedUnspentTxs(address: string): Promise<UTXO[]>;
    getUnspentTxs(address: string): Promise<UTXO[]>;
    getBalance(address: Address, confirmedOnly?: boolean): Promise<Balance[]>;
    /**
     * Get transaction history of a given address with pagination options.
     * By default it will return the transaction history of the current wallet.
     *
     * @param {TxHistoryParams} params The options to get transaction history. (optional)
     * @returns {TxsPage} The transaction history.
     */
    getTransactions(params?: TxHistoryParams, unspentOnly?: boolean): Promise<TxsPage>;
    /**
     * Get the transaction details of a given transaction id.
     *
     * @param {string} txId The transaction id.
     * @returns {Tx} The transaction details of the given transaction id.
     */
    getTransactionData(txId: string): Promise<Tx>;
    /**
     * Returns a fee rate estimation from Blockcypher API service.
     * @returns {FeeRates} Estimated fee rates
     */
    getFeeRates(): Promise<FeeRates>;
    private mapTransactionToTx;
    private mapUTXOs;
    /**
     * helper function tto limit adding to an array
     *
     * @param arr array to be added to
     * @param toAdd elements to add
     * @param limit do not add more than this limit
     */
    private addArrayUpToLimit;
    private delay;
    /**
     * Get transaction history of a given address with pagination options.
     * By default it will return the transaction history of the current wallet.
     *
     * @param {TxHistoryParams} params The options to get transaction history. (optional)
     * @returns {TxsPage} The transaction history.
     */
    private getRawTransactions;
}