/// <reference types="node" />
import { AssetInfo, FeeRate } from '@xchainjs/xchain-client';
import { Address } from '@xchainjs/xchain-util';
import { Client as UTXOClient, TxParams, UTXO, UtxoClientParams } from '@xchainjs/xchain-utxo';
import { BchPreparedTx } from './types';
import { TransactionBuilder } from './types/bitcoincashjs-types';
export declare const defaultBchParams: UtxoClientParams;
/**
 * Custom Bitcoin Cash client class.
 */
declare abstract class Client extends UTXOClient {
    /**
     * Constructor for the Client class.
     *
     * @param {UtxoClientParams} params - Parameters for initializing the client.
     */
    constructor(params?: UtxoClientParams);
    /**
     * Get information about the BCH asset.
     * @returns Information about the BCH asset.
     */
    getAssetInfo(): AssetInfo;
    /**
     * Validate the given address.
     *
     * @param {Address} address
     * @returns {boolean} `true` or `false`
     */
    validateAddress(address: string): boolean;
    /**
     * Build a BCH transaction.
     * @param {BuildParams} params - The transaction build options.
     * @returns {Transaction} A promise that resolves with the transaction builder, UTXOs, and inputs.
     * @deprecated
     */
    buildTx({ amount, recipient, memo, feeRate, sender, }: TxParams & {
        feeRate: FeeRate;
        sender: Address;
    }): Promise<{
        builder: TransactionBuilder;
        utxos: UTXO[];
        inputs: UTXO[];
    }>;
    /**
     * Prepare a BCH transaction.
     * @param {TxParams&Address&FeeRate} params - The transaction preparation options.
     * @returns {PreparedTx} A promise that resolves with the prepared transaction and UTXOs.
     */
    prepareTx({ sender, memo, amount, recipient, feeRate, }: TxParams & {
        sender: Address;
        feeRate: FeeRate;
    }): Promise<BchPreparedTx>;
    /**
     * Compile a memo.
     * @param {string} memo - The memo to be compiled.
     * @returns {Buffer} - The compiled memo.
     */
    protected compileMemo(memo: string): Buffer;
    /**
     * Calculate the transaction fee.
     * @param {UTXO[]} inputs - The UTXOs.
     * @param {FeeRate} feeRate - The fee rate.
     * @param {Buffer | null} data - The compiled memo (optional).
     * @returns {number} - The fee amount.
     */
    protected getFeeFromUtxos(inputs: UTXO[], feeRate: FeeRate, data?: Buffer | null): number;
}
export { Client };