import { BacktraceInfo, ByteString, TxHashPreimage } from '../smart-contract/types/index.js';
import { UTXO } from '../globalTypes.js';
/**
 * Converts a UTXO to its genesis outpoint format.
 * The genesis outpoint is constructed by reversing the txId bytes and appending
 * the output index as a 4-byte little-endian string.
 *
 * @param utxo - The UTXO to convert
 * @returns The genesis outpoint as a hex-encoded ByteString
 */
export declare const toGenesisOutpoint: (utxo: UTXO) => ByteString;
/**
 * convert raw txHash preimage buffer to TxHashPreimage struct
 * @param txHashPreimageBuf
 * @returns
 */
export declare const toTxHashPreimage: (txHashPreimageBuf: Uint8Array) => TxHashPreimage;
/**
 * prevPrevTx: input1 + input2 + ... = output1 + output2 + ...
 * prevTx: input1(prevPrevTx.output1) + input2 + ... = output1 + output2 + ...
 * curTx: input1(prevTx.output1) + input2 + ... = output1 + output2 + ...
 *
 * if we want to backtrace curTx.input1, the arguments should be:
 *
 * @param prevTxHex: prevTx.toHex()
 * @param prevPrevTxHex: prevPrevTx.toHex()
 * @param prevTxInputIndex: prevTx.input1.inputIndex, here is 0
 * @returns
 */
export declare function getBackTraceInfo(prevTxHex: string, prevPrevTxHex: string, prevTxInputIndex: number): BacktraceInfo;
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