Mint Solana SPL token + Metadata

mint.ts

import {
  percentAmount,
  generateSigner,
  signerIdentity,
  createSignerFromKeypair,
} from '@metaplex-foundation/umi';
import { mplToolbox, setComputeUnitPrice } from '@metaplex-foundation/mpl-toolbox';
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 {
  ComputeBudgetProgram,
  PublicKey,
  TransactionInstruction,
  LAMPORTS_PER_SOL,
} from '@solana/web3.js';

function solToLamports(sol: number) {
  return sol * LAMPORTS_PER_SOL;
}

// your minth authority and FEE payer (has to have some sol, 0.2 would do it)
const secret = [];

const umi = createUmi(
  '<your RPC url>'
).use(mplToolbox()); 

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

const metadata = {
  name: 'test token',
  symbol: 'TEST',
  uri: '<metadata-url>',
};

const mint = generateSigner(umi);
umi.use(signerIdentity(userWalletSigner));
umi.use(mplCandyMachine());

console.log('Minting 100 million tokens...');
const computeIx = setComputeUnitPrice(umi, { microLamports: solToLamports(0.01) });

const mintTxBuilder = createAndMint(umi, {
  mint,
  authority: umi.identity,
  name: metadata.name,
  symbol: metadata.symbol,
  uri: metadata.uri,
  sellerFeeBasisPoints: percentAmount(0),
  decimals: 8,
  amount: 100000000_00000000,
  tokenOwner: userWallet.publicKey,
  tokenStandard: TokenStandard.Fungible,
}).prepend(computeIx);

console.log('Minting 1 million tokens...');
mintTxBuilder
  .sendAndConfirm(umi, {
    // Send options.
    send: { skipPreflight: true },
  })
  .then((x) => {
    console.dir(x, { depth: 4, colors: true });
    console.log('Successfully minted 1 million tokens (', mint.publicKey, ')');
  })
  .catch((e) => {
    console.error(e);
  });