Not able to get deployed address of smart contract

Question

Error: connect ECONNREFUSED /home/sanya/.ethereum/geth.ipc at PipeConnectWrap.afterConnect [as oncomplete] (net.js:1106:14) errno: 'ECONNREFUSED', code: 'ECONNREFUSED', syscall: 'connect', address: '/home/sanya/.ethereum/geth.ipc' } (node:3593) UnhandledPromiseRejectionWarning: Error: connect ECONNREFUSED /home/sanya/.ethereum/geth.ipc at PipeConnectWrap.afterConnect [as oncomplete] (net.js:1106:14)

(node:3593) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 1)

(node:3593) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.

Code for deployment is -

const solc = require('solc');

const net = require('net');

let fs = require("fs");

let Web3 = require('web3');

const web3 = new Web3('/home/sanya/.ethereum/geth.ipc', net, {});

let source = fs.readFileSync('../ethereum/node01/contracts/KYC.sol');

console.log(source.toString());

let helloCompiled = solc.compile(source.toString(), 1).contracts[':KYC'];

var password = "apple";

try {
    web3.eth.personal.unlockAccount("0x49f513854af455f45044b12869ebb1dec9db3073", password, 600)

}

catch (e) {

    console.log(e);

    return;
}

let Hello = new web3.eth.Contract(JSON.parse(helloCompiled.interface),

    null, {

    data: '0x' + helloCompiled.bytecode

});

console.log("abi" + helloCompiled.interface)

console.log("abi" + typeof (helloCompiled.interface))

console.log("bin" + helloCompiled.bytecode)

console.log("bin" + typeof (helloCompiled.bytecode))

let helloInstance;

Hello.deploy().send({

    from: '0x49f513854af455f45044b12869ebb1dec9db3073',

    gas: '4700000'

}).then((instance) => {

    console.log("Contract mined at " + instance.options.address);

    helloInstance = instance;


})

    .catch(function (error) {

        console.log(error)

    });

Answer 1

I changed the path and it worked

locate geth.ipc

/opt/project/ethereum/geth.ipc

Answer 2

It looks like there's a problem with your geth instance. Make sure it has the latest version of the blockchain download it, restart it again and let us know if you still have the error. If it doesn't, I'd recommend you to use infura for deploying your contract because you don't have to manage your own node.