Swap Instructions

curl -X GET "https://api.mobula.io/api/2/swap/quoting-instructions?chainId=solana&tokenIn=So11111111111111111111111111111111111111111&tokenOut=EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v&amount=1&walletAddress=YourWalletAddress&slippage=1"

curl -X GET "https://api.mobula.io/api/2/swap/quoting-instructions?chainId=solana&tokenIn=So11111111111111111111111111111111111111111&tokenOut=EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v&amount=1&walletAddress=YourWalletAddress&slippage=1&prioritizationFeeLamports=auto"

curl -X GET "https://api.mobula.io/api/2/swap/quoting-instructions?chainId=solana&tokenIn=So11111111111111111111111111111111111111111&tokenOut=EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v&amount=1&walletAddress=YourWalletAddress&slippage=1&jitoTipLamports=10000"

curl -X GET "https://api.mobula.io/api/2/swap/quoting-instructions?chainId=solana&tokenIn=So11111111111111111111111111111111111111111&tokenOut=EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v&amount=1&walletAddress=YourWalletAddress&slippage=1&feePercentage=1&feeWallet=FeeWalletAddressHere"

curl -X GET "https://api.mobula.io/api/2/swap/quoting-instructions?chainId=solana&tokenIn=So11111111111111111111111111111111111111111&tokenOut=EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v&amount=1&walletAddress=UserWalletAddressHere&payerAddress=CentralFeePayerAddressHere&closeAuthority=CentralFeePayerAddressHere&swapRecipientAddress=RecipientWalletAddressHere"

{
  "data": {
    "amountOutTokens": "150.123456",
    "slippagePercentage": 1,
    "tokenIn": {
      "address": "So11111111111111111111111111111111111111111",
      "name": "Wrapped SOL",
      "symbol": "SOL",
      "decimals": 9,
      "logo": "https://metadata.mobula.io/assets/logos/solana_solana_So11111111111111111111111111111111111111111.webp"
    },
    "tokenOut": {
      "address": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "name": "USD Coin",
      "symbol": "USDC",
      "decimals": 6,
      "logo": "https://metadata.mobula.io/assets/logos/solana_solana_EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v.webp"
    },
    "requestId": "550e8400-e29b-41d4-a716-446655440000",
    "solana": {
      "instructions": {
        "computeBudgetInstructions": [
          {
            "programId": "ComputeBudget111111111111111111111111111111",
            "accounts": [],
            "data": "AgAAABAnAAAAAAAA"
          }
        ],
        "setupInstructions": [
          {
            "programId": "ATokenGPvbdGVxr1b2hvZbsiqW5xWH25efTNsLJA8knL",
            "accounts": [
              {
                "pubkey": "YourWalletAddress",
                "isSigner": true,
                "isWritable": true
              }
            ],
            "data": "..."
          }
        ],
        "swapInstructions": [
          {
            "programId": "675kPX9MHTjS2zt1qfr1NYHuzeLXfQM9H24wFSUt1Mp8",
            "accounts": [
              {
                "pubkey": "YourWalletAddress",
                "isSigner": true,
                "isWritable": true
              }
            ],
            "data": "..."
          }
        ],
        "cleanupInstructions": [
          {
            "programId": "TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA",
            "accounts": [
              {
                "pubkey": "YourWalletAddress",
                "isSigner": false,
                "isWritable": true
              }
            ],
            "data": "..."
          }
        ],
        "addressLookupTableAddresses": [
          "GxS6FiQ3mNnAar9HGQ6mxP7t6FcwmHkU7peSeQDUHmpN"
        ]
      },
      "lastValidBlockHeight": 305123456,
      "recentBlockhash": "EkSnNWid2cvwEVnVx9aBqawnmiCNiDgp3gUdkDPTKN1N"
    }
  }
}

import {
  Connection,
  TransactionMessage,
  VersionedTransaction,
  PublicKey,
  TransactionInstruction,
  AddressLookupTableAccount,
} from '@solana/web3.js';

const { solana, requestId } = response.data;

// Save requestId for support
console.log('Request ID:', requestId);

// Helper to convert instruction format
function toTransactionInstruction(ix) {
  return new TransactionInstruction({
    programId: new PublicKey(ix.programId),
    keys: ix.accounts.map(acc => ({
      pubkey: new PublicKey(acc.pubkey),
      isSigner: acc.isSigner,
      isWritable: acc.isWritable,
    })),
    data: Buffer.from(ix.data, 'base64'),
  });
}

// Build all instructions
const instructions = [];

// 1. Add compute budget instructions (if any)
if (solana.instructions.computeBudgetInstructions) {
  for (const ix of solana.instructions.computeBudgetInstructions) {
    instructions.push(toTransactionInstruction(ix));
  }
}

// 2. Add setup instructions (if any)
if (solana.instructions.setupInstructions) {
  for (const ix of solana.instructions.setupInstructions) {
    instructions.push(toTransactionInstruction(ix));
  }
}

// 3. Add YOUR custom instructions here (e.g., Jito tip, fee transfer)
// Example: Add a Jito tip
const JITO_TIP_ACCOUNTS = [
  '96gYZGLnJYVFmbjzopPSU6QiEV5fGqZNyN9nmNhvrZU5',
  'HFqU5x63VTqvQss8hp11i4wVV8bD44PvwucfZ2bU7gRe',
  // ... more tip accounts
];
const tipAccount = JITO_TIP_ACCOUNTS[Math.floor(Math.random() * JITO_TIP_ACCOUNTS.length)];
const tipInstruction = SystemProgram.transfer({
  fromPubkey: wallet.publicKey,
  toPubkey: new PublicKey(tipAccount),
  lamports: 10000, // 0.00001 SOL
});
instructions.push(tipInstruction);

// 4. Add the swap instructions (can be multiple for multi-hop routes)
if (solana.instructions.swapInstructions) {
  for (const ix of solana.instructions.swapInstructions) {
    instructions.push(toTransactionInstruction(ix));
  }
}

// 5. Add cleanup instructions (if any)
if (solana.instructions.cleanupInstructions) {
  for (const ix of solana.instructions.cleanupInstructions) {
    instructions.push(toTransactionInstruction(ix));
  }
}

// Fetch Address Lookup Tables (if any)
const addressLookupTables = [];
if (solana.instructions.addressLookupTableAddresses?.length > 0) {
  const connection = new Connection('YOUR_RPC_URL');
  for (const address of solana.instructions.addressLookupTableAddresses) {
    const result = await connection.getAddressLookupTable(new PublicKey(address));
    if (result.value) {
      addressLookupTables.push(result.value);
    }
  }
}

// Build the versioned transaction
const messageV0 = new TransactionMessage({
  payerKey: wallet.publicKey,
  recentBlockhash: solana.recentBlockhash,
  instructions,
}).compileToV0Message(addressLookupTables);

const transaction = new VersionedTransaction(messageV0);

// Sign the transaction
transaction.sign([wallet]);

// Send the transaction
const signature = await connection.sendTransaction(transaction);

// Confirm with lastValidBlockHeight
await connection.confirmTransaction({
  signature,
  blockhash: solana.recentBlockhash,
  lastValidBlockHeight: solana.lastValidBlockHeight,
});

console.log('Transaction confirmed:', signature);