gate.js

const Orbs = require("orbs-client-sdk")
const sha256 = require("sha256")

async function checkIn(contractName, employee, ownerId, secret, ticketId, confirmation) {
    const client = new Orbs.Client("http://localhost:8080", 42, Orbs.NetworkType.NETWORK_TYPE_TEST_NET);
    const [ tx, txid ] = client.createTransaction(employee.publicKey, employee.privateKey, contractName, "checkIn", [Orbs.argBytes(ownerId), Orbs.argBytes(secret), Orbs.argUint32(ticketId), Orbs.argString(confirmation)]);

    const result = await client.sendTransaction(tx);

    console.log(result);

    return result.outputArguments[0].value
}

console.log(process.argv)
const contractName = process.argv[2];
const auditContractName = process.argv[5];
const employee = {
    publicKey: Orbs.addressToBytes(process.argv[3]),
    privateKey: Orbs.addressToBytes(process.argv[4]),
}

const express = require('express')
const app = express()
const port = 4000

app.use(express.urlencoded());

const sessions = {}
let nextSessionId = 0

app.get('/checkin', async (req, res) => {
    sessions[""+nextSessionId] = req.query;
    const confirmButton = `<a href='/confirmed?session=${nextSessionId}'><H1>CONFIRM</H1></a>`;
    const rejectButton = `<a href='/rejected?session=${nextSessionId}'><H1>REJECT</H1></a>`;
    res.send(`<H1>Ticket info</H1>${JSON.stringify(req.query, null, "<br>")}${confirmButton}${rejectButton}`)
    nextSessionId++;
});



app.get('/confirmed', async (req, res) => {
    console.log(req.query);
    console.log(sessions);
    const { id, name, secret, ticketId } = sessions[req.query.session];
    const ownerId = sha256(id+name);
    const secretHash = sha256(secret);

    const status = await checkIn(contractName, employee, Orbs.addressToBytes(ownerId), Orbs.addressToBytes(secretHash), ticketId, "CONFIRMED");
    res.send(status);
});

app.get('/rejected', async (req, res) => {
    console.log(req.query);
    console.log(sessions);
    const { id, name, secret, ticketId } = sessions[req.query.session];
    const ownerId = sha256(id+name);
    const secretHash = sha256(secret);

    const status = await checkIn(contractName, employee, Orbs.addressToBytes(ownerId), Orbs.addressToBytes(secretHash), ticketId, "BAD_ID");
    res.send(status);
});

app.get('/events', async (req, res) => {
    const getEvents = require("./audit/flow").getEvents;
    const events = await getEvents(auditContractName, employee);

    res.send(events);
});

app.listen(port, () => console.log(`Example app listening on port ${port}!`))