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Use isSolanaGasSponsorshipEnabled to check if SVM gas sponsorship is enabled in your project settings before attempting to send sponsored transactions.

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Usage

import { isSolanaGasSponsorshipEnabled } from '@dynamic-labs-sdk/solana';

const sendTransaction = async (walletAccount, transaction) => {
  if (isSolanaGasSponsorshipEnabled()) {
    // Use sponsored transaction
    const { signature } = await signAndSendSponsoredTransaction({
      transaction,
      walletAccount,
    });
    return signature;
  }

  // Fall back to regular transaction
  const { signature } = await signAndSendTransaction({
    transaction,
    walletAccount,
  });
  return signature;
};

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Return value

TypeDescription
booleantrue if SVM gas sponsorship is enabled, false otherwise

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Requirements

  • A Dynamic Client must be initialized before calling this function
  • SVM gas sponsorship must be enabled in the Dynamic Dashboard under Settings > Embedded Wallets

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React

isSolanaGasSponsorshipEnabled is synchronous and works the same in React. Use it inside a button handler to decide which send function to call: 
import { isSolanaGasSponsorshipEnabled } from '@dynamic-labs-sdk/solana';
import { signAndSendSponsoredTransaction, signAndSendTransaction, isSolanaWalletAccount } from '@dynamic-labs-sdk/solana';
import { useWalletAccounts } from '@dynamic-labs-sdk/react-hooks';

function SendButton({ transaction }) {
  const walletAccounts = useWalletAccounts();
  const walletAccount = walletAccounts.find(isSolanaWalletAccount);

  const handleSend = async () => {
    if (!walletAccount) return;

    if (isSolanaGasSponsorshipEnabled()) {
      await signAndSendSponsoredTransaction({ transaction, walletAccount });
    } else {
      await signAndSendTransaction({ transaction, walletAccount });
    }
  };

  return (
    <button onClick={handleSend} disabled={!walletAccount}>
      Send {isSolanaGasSponsorshipEnabled() ? '(Sponsored)' : ''}
    </button>
  );
}