import BigNumber from 'bignumber.js';
import { EllipticPair } from '@defichain/jellyfish-crypto';
import { Vout } from '@defichain/jellyfish-transaction';
export interface FeeRateProvider {
    /**
     * @return {BigNumber} fee rate estimate in DFI/KB
     */
    estimate: () => Promise<BigNumber>;
}
export interface ListUnspentQueryOptions {
    minimumAmount?: number;
    maximumAmount?: number;
    maximumCount?: number;
    minimumSumAmount?: number;
    tokenId?: string;
}
export interface PrevoutProvider {
    /**
     * @return {Prevout[]} all outputs to create transaction, aka to send all.
     */
    all: () => Promise<Prevout[]>;
    /**
     * Collect minimum number of Prevout required to create a transaction.
     * As PrevoutProvider allows an agnostic implementation, it is free to use
     * any UTXO selector patterns.
     *
     * @param {BigNumber} minBalance of balance combined in a Prevout required for a single transaction.
     * required to create transaction.
     * @return {Prevout[]} selected all required for creating the transaction
     */
    collect: (minBalance: BigNumber) => Promise<Prevout[]>;
}
/**
 * Prevout required to construct transaction.
 */
export interface Prevout extends Vout {
    txid: string;
    vout: number;
}
export interface EllipticPairProvider {
    /**
     * @param {Prevout} prevout for the EllipticPair
     * @return {EllipticPair}
     */
    get: (prevout: Prevout) => EllipticPair;
}
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