walletconnect.js

var WalletConnect = require("@walletconnect/node");
/*
Tried using 
"@walletconnect/browser": "^1.0.0-beta.47",
"@walletconnect/client": "^1.0.11",
"@walletconnect/node": "^1.0.0",
 but no use
*/
var WalletConnectQRCodeModal = require("@walletconnect/qrcode-modal");

WalletConnect = WalletConnect.default;
WalletConnectQRCodeModal = WalletConnectQRCodeModal.default;

window.WalletConnect = WalletConnect;
window.WalletConnectQRCodeModal = WalletConnectQRCodeModal;

// Create a connector
const connector = new WalletConnect(
  {
    bridge: "https://bridge.walletconnect.org", // Required
  },
  {
    clientMeta: {
      description: "WalletConnect NodeJS Client",
      url: "https://nodejs.org/en/",
      icons: ["https://nodejs.org/static/images/logo.svg"],
      name: "WalletConnect",
    },
  }
);

window.connector = connector;

// Check if connection is already established

if (!connector.connected) {
  connector.createSession().then(() => {
    // get uri for QR Code modal
    const uri = connector.uri;
    // display QR Code modal
    WalletConnectQRCodeModal.open(uri, () => {
    });
    //return uri;
  });
}

// Subscribe to connection events
connector.on("connect", (error, payload) => {
  if (error) {
    throw error;
  }

  // Get provided accounts and chainId
  const { accounts, chainId } = payload.params[0];
  console.log(accounts, chainId);
  WalletConnectQRCodeModal.close();
  update();
  toggletutorial();
});

connector.on("session_update", (error, payload) => {
  if (error) {
    throw error;
  }

  // Get updated accounts and chainId
  const { accounts, chainId } = payload.params[0];
  update();
});

connector.on("disconnect", (error, payload) => {
  if (error) {
    throw error;
  }
  console.log("disconnected");
  // Delete connector
});

// Signin works perfectly with QR code and metamask wallet app

var tx = {
                from: "0xAd111A7860a7e39D9943D96A8Acb85a132F718Ed",
                to: "0x23490eA92D4d3532A18737AC7e6B3767A7dc49Af",
                gas: 850000,
                gaslimit: 500000,
                nonce: parseInt(nonce) ,
                value: '0x00',
                data: data.encodeABI()
            }

// The below line doesnt send any message to the mobile wallet

connector.signTransaction(tx)
.then((signedTx) => {
    console.log(signedTx)
   });

// The below line shows Error : [object Object] 
connector.sendTransaction(tx)
.then((res) => {
  console.log(res);
});
   

The above output occurs for running the code