@btc-vision/transaction/build/transaction/builders/ChallengeSolutionTransaction.js

OPNet transaction library allows you to create and sign transactions for the OPNet network.

import { TransactionType } from '../enums/TransactionType.js';
import { getFinalScripts, opcodes, script } from '@btc-vision/bitcoin';
import { TransactionBuilder } from './TransactionBuilder.js';
export class ChallengeSolutionTransaction extends TransactionBuilder {
    constructor(parameters) {
        super(parameters);
        this.type = TransactionType.CHALLENGE_SOLUTION;
        this.customFinalizerP2SH = (inputIndex, input, scriptA, isSegwit, isP2SH, isP2WSH) => {
            const inputDecoded = this.inputs[inputIndex];
            if (isP2SH && inputDecoded && inputDecoded.redeemScript) {
                const scriptSig = script.compile([this.challengeSolution, inputDecoded.redeemScript]);
                return {
                    finalScriptSig: scriptSig,
                    finalScriptWitness: undefined,
                };
            }
            return getFinalScripts(inputIndex, input, scriptA, isSegwit, isP2SH, isP2WSH, false);
        };
        this.amount = parameters.amount;
        this.challengeSolution = parameters.challengeSolution;
        this.internalInit();
    }
    async buildTransaction() {
        if (!this.to) {
            throw new Error('Recipient address is required');
        }
        this.addInputsFromUTXO();
        if (this.isPubKeyDestination) {
            const pubKeyScript = script.compile([
                Buffer.from(this.to.replace('0x', ''), 'hex'),
                opcodes.OP_CHECKSIG,
            ]);
            this.addOutput({
                value: Number(this.amount),
                script: pubKeyScript,
            });
        }
        else {
            this.addOutput({
                value: Number(this.amount),
                address: this.to,
            });
        }
        await this.addRefundOutput(this.amount + this.addOptionalOutputsAndGetAmount());
    }
    async signInput(transaction, input, i, signer, reverse = false, errored = false) {
    }
    getSignerKey() {
        return this.signer;
    }
}