help me make solana transaction faster
`async sendSplTransaction(wallet, {to, value, mintAddress, decimals, fee}) {
const recipientPubKey = new PublicKey(to);
const mintPubKey = new PublicKey(mintAddress);
const bigValue = this.convertToBigInt(value, decimals);
const recentBlockhash = await this.provider.connection.getLatestBlockhash();
let currentBlockheight = await this.provider.connection.getBlockHeight();
const { blockhash } = await this.provider.connection.getLatestBlockhash();
const MAX_RETRIES = 3;
let retryCount = 0;
while (retryCount < MAX_RETRIES) { try { const senderATA = await getAssociatedTokenAddress(mintPubKey, this.keypair.publicKey); const recipientATA = await getAssociatedTokenAddress(mintPubKey, recipientPubKey); console.log('Sender pubkey:', this.keypair.publicKey.toString()); console.log('Sender ATA:', senderATA.toString()); console.log('Mint address:', mintAddress); let senderAccountInfo = await this.provider.connection.getAccountInfo(senderATA); if (!senderAccountInfo) { console.log('Sender ATA not found. Attempting to create...'); const transaction = new Transaction().add( createAssociatedTokenAccountInstruction( this.keypair.publicKey, senderATA, this.keypair.publicKey, mintPubKey ) ); await solanaWeb3.sendAndConfirmTransaction(this.provider.connection, transaction, [this.keypair]); console.log('Sender ATA created successfully'); } const senderBalance = await this.provider.connection.getTokenAccountBalance(senderATA); console.log('Sender token balance:', senderBalance.value.uiAmount); if (senderBalance.value.uiAmount < value) { throw new Error(`Insufficient balance. Current balance: ${senderBalance.value.uiAmount}`); } const transaction = new Transaction({ recentBlockhash: recentBlockhash.blockhash, feePayer: this.keypair.publicKey }); transaction.recentBlockhash = blockhash; transaction.feePayer = this.keypair.publicKey; transaction.fee = fee; const recipientAccountInfo = await this.provider.connection.getAccountInfo(recipientATA); if (!recipientAccountInfo) { transaction.add( createAssociatedTokenAccountInstruction( this.keypair.publicKey, recipientATA, recipientPubKey, mintPubKey ) ); } transaction.add( createTransferInstruction( senderATA, recipientATA, this.keypair.publicKey, bigValue, [], TOKEN_PROGRAM_ID ) ); transaction.lastValidBlockHeight = currentBlockheight + 150; const txid = await solanaWeb3.sendAndConfirmTransaction( this.provider.connection, transaction, [this.keypair], { commitment: "confirmed", skipPreflight: true } ); console.log('Transaction successful. Txid:', txid); return { success: true, data: { txid } }; } catch (error) { if (error.message.includes('block height')) { retryCount++; const MAX_RETRY_DELAY = 30000; const delay = Math.min(2 ** retryCount * 1000, MAX_RETRY_DELAY); console.log(`Transaction failed, retrying in ${delay / 1000} seconds...`); await new Promise(resolve => setTimeout(resolve, delay)); } else { return { success: false, data: null, error: error.message }; } } } return { success: false, data: null, error: 'Transaction retries exhausted.' }; }`
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