Gasless Transaction

Applications can pay for the transactions fees of behalf of their users. This allows users to execute transactions (exchanging NFTs, tokens, etc.) without holding SOL.

---

getGaslessPublicKey

Method to get the public key of feePayer. Please contact us on hello@tor.us to setup the necessary infrastructure.

Example

    const network = "<NETWORK_URL>";
    const connection = new Connection(network);t
    const blockhash = (await connection.getRecentBlockhash("finalized")).blockhash;
    const TransactionInstruction = SystemProgram.transfer({
        fromPubkey: new PublicKey(publicKeys[0]),
        toPubkey: new PublicKey(publicKeys[1]),
        lamports: 0.1 * LAMPORTS_PER_SOL
    });

    const gaslessPublicKey = await torus.getGaslessPublicKey(); // scoped to application
    let transaction = new Transaction({
            recentBlockhash: blockhash,
            feePayer: new PublicKey(gaslessPublicKey)
        }).add(TransactionInstruction);
    const res_tx = await torus.sendTransaction(transaction);

Reference

    getGaslessPublicKey(relay: string): Promise<string>;