@lndgalante/solutils v0.6.0

Documentation

For full documentation and examples, visit solutils.vercel.app.

Installation

Install solutils and its @solana peer dependencies.

npm install @lndgalante/solutils @solana/web3.js @solana/spl-token @solana/wallet-adapter-react

Quick Start

Send USDC tokens in under a minute

import { useTransferTokens } from '@lndgalante/solutils';
import { useConnection, useWallet } from '@solana/wallet-adapter-react';
import { WalletMultiButton, WalletDisconnectButton } from '@solana/wallet-adapter-react-ui';

export default function Home() {
  // solana hooks
  const { connection } = useConnection();
  const { publicKey, sendTransaction } = useWallet();

  // solutils hooks
  const { getTransferTokensReceipt, result, status, error } = useTransferTokens(publicKey, connection, sendTransaction);

  // handlers
  function handleTransferUsdcTokens() {
    getTransferTokensReceipt('5NSJUuR9Pn1yiFYGPWonqrVh72xxX8D2yADKrUf1USRc', 'USDC', 1);
  }

  return (
    <div>
      <WalletMultiButton />
      <WalletDisconnectButton />

      <main>
        <button onClick={handleTransferUsdcTokens}>Send {AMOUNT_TO_SEND} USDC tokens</button>
        {status === 'iddle' ? <p>Haven&apos;t sent any USDC yet</p> : null}
        {status === 'loading' ? <p>Sending your USDC tokens</p> : null}
        {status === 'success' && result ? (
          <div>
            <p>We successfully sent: {USDC_TO_SEND} USDC</p>
            <p>Transaction signature: {result.transactionSignature}</p>
            <a href={result.urls.solanaExplorerUrl} target='_blank' rel='noreferrer'>
              Solana Explorer
            </a>
          </div>
        ) : null}
        {status === 'error' ? <p>{error}</p> : null}
      </main>
    </div>
  );
}

In this example we import useConnection and useWallet which we usually need for solutils hooks to send wallet publicKey and wallet connection object. Particulary here we also need the sendTransaction function from useWallet to internally send that transaction.

useTransferTokens returns many things but the most important thing here is getTransferTokensReceipt which takes a address recipient, a token symbol or address, and an amount to send to that address.

useTransferTokens also will return result object with the result if it the transfer is succesful, a status that could be iddle, loading, success or error, and finally an error which is a string with the error to display on screen.

And that's pretty much it, we render a UI to trigger our handleTransferUsdcTokens function, and depending on our status states we will display different messages.

Most of the hooks works this way, so learn once and then repeat same pattern with the other hooks.

Security

Concerned about using a third-party library due to sensible code? We're working on making a fully tested, and secure library, but in case you or your company don't want to use this directly feel free to fork it, modify it and send any PR to improve it later on.

Authors

Thanks to Alejandro @afreitezzz for creating the logo!