CREATING SPL-TOKEN

spl-token.js

import { percentAmount, generateSigner, signerIdentity, createSignerFromKeypair } from '@metaplex-foundation/umi'
import { TokenStandard, createAndMint } from '@metaplex-foundation/mpl-token-metadata'
import { createUmi } from '@metaplex-foundation/umi-bundle-defaults';
import { mplCandyMachine } from "@metaplex-foundation/mpl-candy-machine";
import "@solana/web3.js";

import base58 from 'bs58';
import { clusterApiUrl } from '@solana/web3.js';

// CHANGE THESE VALUES
const secret = "REPLACE WITH YOUR SECRET KEY";
const cluster = "devnet"; //Replace with the network you want to use "devnet" or "mainnet-beta
const TOKEN_name = "PASTE YOUR TOKEN NAME HERE"
const TOKEN_symbol = "PASTE YOUR TOKEN SYMBOL HERE"
const TOKEN_url = "PASTE YOUR TOKEN IMAGE URL HERE"
const TOKEN_amount = "PASTE AMOUNT OF TOKENS YOU WANT"
const TOKEN_decimals = 9;

// DO NOT CHANGE ANYTHING BELOW THIS LINE
function createmint() {
    const umi = createUmi(clusterApiUrl('devnet')); //Replace with your QuickNode RPC Endpoint

    const userWallet = umi.eddsa.createKeypairFromSecretKey(new Uint8Array(base58.decode(secret)));
    const userWalletSigner = createSignerFromKeypair(umi, userWallet);

    const mint = generateSigner(umi);
    umi.use(signerIdentity(userWalletSigner));
    umi.use(mplCandyMachine())
    createAndMint(umi, {
        mint,
        authority: "umi.identity",
        name: TOKEN_name,
        symbol: TOKEN_symbol,
        uri: TOKEN_url,
        image: TOKEN_url,
        sellerFeeBasisPoints: percentAmount(0),
        decimals: 9,
        amount: TOKEN_amount * (10 ** TOKEN_decimals), // 1 billion
        tokenOwner: userWallet.publicKey,
        tokenStandard: TokenStandard.Fungible,
    }).sendAndConfirm(umi).then(() => {
        console.log("Successfully minted 1 billion tokens (", mint.publicKey, ")");
    });
}

createmint();

    amount: TOKEN_amount * (10 ** TOKEN_decimals), // 1 billion

This isn't the max supply, is it? How to specify it then?

    amount: TOKEN_amount * (10 ** TOKEN_decimals), // 1 billion

This isn't the max supply, is it? How to specify it then?

Yes it's the max supply