These are coding curated software engineering questions. They do not guarantee interview success but they provide a good foundation. They also include DSA
import React, { useState, useEffect } from 'react';
import { ApiPromise, WsProvider } from '@polkadot/api';
function HealthInsurance() { const [api, setApi] = useState(null); const [contract, setContract] = useState(null);
useEffect(() => { async function connect() { const provider = new WsProvider('wss://your-node-url-here'); const api = await ApiPromise.create({ provider }); setApi(api);
const contract = await api.query.healthInsuranceNFT.healthInsuranceNFT();
setContract(contract);
}
connect();
}, []);
async function createPolicy(policy) { const tx = contract.createPolicy(policy); await tx.signAndSend(signer); }
async function getPolicy(owner) { const policy = await contract.getPolicy(owner); // do something with the policy }
async function revokePolicy(owner) { const tx = contract.revokePolicy(owner); await tx.signAndSend(signer); }
return (
export default HealthInsurance;