CreatorPass

            ASSOCIATED_TOKEN_PROGRAM_ID        );         const [metadataAddress] = PublicKey.findProgramAddressSync(            [                Buffer.from('metadata'),                TOKEN_METADATA_PROGRAM_ID.toBuffer(),                mintKeypair.publicKey.toBuffer(),            ],            TOKEN_METADATA_PROGRAM_ID        );         console.log('Creating transaction...');        const transaction = new Transaction();        const blockHash = await connection.getLatestBlockhash();        transaction.recentBlockhash = blockHash.blockhash;        transaction.feePayer = walletPubkey;         // Calculate payment splits        const totalPayment = Math.floor(pass.price * LAMPORTS_PER_SOL);        const platformPayment = Math.floor(totalPayment * 0.2); // 20%        const creatorPayment = totalPayment - platformPayment; // 80%         if (!platformAddress) {

1. Line 400 const [metadataAddress] = PublicKey.findProgramAddressSync(: Derives a PDA from seeds and the program ID and returns the address with its canonical bump.
2. Line 411 const blockHash = await connection.getLatestBlockhash();: Fetches a recent blockhash. Transactions expire if it gets too old.

     const handleSendTx = async (amount: number, receiver: string) => {        try {            const lamports = amount;            const latestBlockhash = connection ? await connection.getLatestBlockhash() : null;            const walletAddress = localStorage.getItem('address') || '';             const transaction = new Transaction({                feePayer: new PublicKey(walletAddress),                recentBlockhash: latestBlockhash?.blockhash,            }).add(                SystemProgram.transfer({                    fromPubkey: new PublicKey(walletAddress),                    toPubkey: new PublicKey(receiver),                    lamports: lamports,                })            );             const signature = connection ? await walletProvider.sendTransaction(transaction, connection) : null;            console.log(signature);                        setToast({                show: true,                message: 'Gift sent successfully!',

1. Line 101 const latestBlockhash = connection ? await connection.getLatestBlockhash() : null;: Fetches a recent blockhash. Transactions expire if it gets too old.
2. Line 115 const signature = connection ? await walletProvider.sendTransaction(transaction, connectio: Submits the signed transaction to the cluster.

        throw new Error('Wallet not connected');      }       const lamports = Math.floor(parseFloat(giftAmount) * LAMPORTS_PER_SOL);      const latestBlockhash = await connection.getLatestBlockhash();       const transaction = new Transaction({        feePayer: new PublicKey(userAddress),        recentBlockhash: latestBlockhash.blockhash,      }).add(        SystemProgram.transfer({          fromPubkey: new PublicKey(userAddress),          toPubkey: new PublicKey(creatorAddress),          lamports,        })      );       const signature = await walletProvider.sendTransaction(transaction, connection);            // Generate gift card image      if (giftCardRef.current) {        const giftImage = await toPng(giftCardRef.current);                // Send gift message with updated text format

1. Line 497 const latestBlockhash = await connection.getLatestBlockhash();: Fetches a recent blockhash. Transactions expire if it gets too old.
2. Line 510 const signature = await walletProvider.sendTransaction(transaction, connection);: Submits the signed transaction to the cluster.