import { SmartContractLib, ByteString, Sha256, FixedArray } from 'scrypt-ts';
export interface Output {
    satoshis: bigint;
    script: ByteString;
}
export interface Input {
    txId: ByteString;
    vout: bigint;
    scriptSig: ByteString;
    nSequence: bigint;
}
export interface BTCResult {
    txId: ByteString;
    amt: bigint;
}
export declare class TxParserBTC extends SmartContractLib {
    static readonly BLOCK_HEIGHT_POS: bigint;
    buf: ByteString;
    pos: bigint;
    version: bigint;
    nLockTime: bigint;
    isWitness: boolean;
    constructor(raw: ByteString);
    readVarInt(): bigint;
    static writeVarint(n: bigint): ByteString;
    readBytes(l: bigint): ByteString;
    readUInt32(): bigint;
    tryReadFlag(): boolean;
    readInput(): Input;
    static writeInput(input: Input): ByteString;
    readOutput(): Output;
    static writeOutput(output: Output): ByteString;
    readAmt(hash: Sha256): bigint;
    skipWitness(inputCount: bigint, maxInputCount: number): void;
    parse(maxInputCount: number, maxOutputCount: number, hashes: FixedArray<Sha256, 2>): BTCResult;
    readBlockHeight(): bigint;
    isCoinbase(): boolean;
}