How to connect solidity code with metamask to frontend?

I have my solidity code seperate when I deploy then metamask gets open on it’s own.
But I want that when someone clicks on PAY button in frontend then my metamask should open on it’s own. What can I do ?

This might be helpful

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I am getting error at const Moralis = require(“moralis/node”); , while connecting. I have written .js and .html files.

/* import moralis */

const Moralis = require(“moralis/node”);

/* Moralis init code */

const serverUrl = “…”;

const appId = “…”;

const masterKey = “…”;

Moralis.start({ serverUrl, appId, masterKey });

async function login() {

let user = Moralis.User.current();

if(!user) {

    try {

        user = await Moralis.authenticate({ signingMessage : "Authenticate"});



    catch (error){





document.getElementById(“btn-login”).onclick = login();

You should use the cdn in script tag rather

<script src=""></script>

in html file I have used the same.



    <script src="[email protected]/dist/esm/index.min.js"></script>

    <script src=""></script>



    <button id="btn-login">LOGIN</button>

    <button id="btn-pay">PAY</button>

    <script type="text/javascript" src="./main.js"></script>


Then remove the import in the Js then

I am able to open metamask, but it gets open on it’s own.
After clicl on login it should open this is what i want.

Maybe you have Moralis.enableWeb3() somewhere in your code

I have shared both my codes upside please check

You invoked the function here and it caused that , you should rather make it .onclick = login;

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my transactions are taking place properly but my amount to be paid is not visible on metamask.
I am getting errors in that of .js file which is attached to smart contract address.

async function pay() {


let options = {

    contractAddress: "0xFe7D310a4bE852e8795976c1a85b49FA175f12c4",

    functionName: "get" ,


    msgValue: Moralis.Units.ETH(0.00000000231)  


await Moralis.executeFunction(options);


msgValue: Moralis.Units.ETH(0.00000000231)
On this line I am getting error

Looks like metamask doesn’t display up to that in decimal place, nonetheless you can verify that amount by checking the transaction on the explorer.

What error did you got here ?

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the error is solves when I used 0.1 ETH