export interface UTXO {
    readonly txHash: string;
    readonly vOut?: number;
    readonly amount: number;
    readonly scriptPubKey?: string;
    readonly confirmations: number;
    readonly block?: number;
}
/**
 * sortUTXOs compares two UTXOs by amount, then confirmations and then hash.
 *
 * @example
 * sortUTXOs({amount: 1, confirmations: 1}, {amount: 2, confirmations: 0});
 * // -1, representing that the first parameter should be ordered first.
 *
 * @returns a negative value to represent that a should come before b or a
 * positive value to represent that b should come before a.
 */
export declare const sortUTXOs: (a: UTXO, b: UTXO) => number;
/**
 * fixValue turns a readable value, e.g. `0.0001` BTC, to the value in the smallest
 * unit, e.g. `10000` sats.
 *
 * @example
 * fixValue(0.0001, 8) = 10000;
 *
 * @param value Value in the readable representation, e.g. `0.0001` BTC.
 * @param decimals The number of decimals to shift by, e.g. 8.
 */
export declare const fixValue: (value: number, decimals: number) => number;
/**
 * fixUTXO calls {{fixValue}} on the value of the UTXO.
 */
export declare const fixUTXO: (utxo: UTXO, decimals: number) => UTXO;
/**
 * fixUTXOs maps over an array of UTXOs and calls {{fixValue}}.
 */
export declare const fixUTXOs: (utxos: readonly UTXO[], decimals: number) => UTXO[];