poc.js

const Liquid = require('liquidjs-lib');

// Initialize Liquid network
const network = Liquid.Networks.Testnet;

// Create new transaction builder
const txb = new Liquid.TransactionBuilder(network);

// Define inputs
const input1 = {
    txid: 'input1_txid',
    vout: input1_vout,
    scriptPubKey: input1_scriptPubKey,
    value: input1_value,
};
const input2 = {
    txid: 'input2_txid',
    vout: input2_vout,
    scriptPubKey: input2_scriptPubKey,
    value: input2_value,
};
// Add inputs to the transaction builder
txb.addInput(input1);
txb.addInput(input2);

// Define outputs
const output1 = {
    script: Liquid.address.toOutputScript('output1_address', network),
    value: output1_value,
};
const output2 = {
    script: Liquid.address.toOutputScript('output2_address', network),
    value: output2_value,
};
// Add outputs to the transaction builder
txb.addOutput(output1);
txb.addOutput(output2);

// Sign inputs
// You would need to implement the logic for participants to sign their inputs
const input = {
// Finalize the transaction
txb.setVersion(2); // Optional: Set transaction version
const tx = txb.buildIncomplete();

// Print out the transaction hex
console.log(tx.toHex());