600 Lines of Code Nobody Asked For

// Requires: @solana/web3.js 

// 1. Get order (quote + transaction)
const orderResponse = await fetch(
  'https://api.jup.ag/ultra/v1/order?' +
  'inputMint=So11111111111111111111111111111111111111112&' +
  'outputMint=EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v&' +
  'amount=100000000&' +
  `taker=${walletAddress}`
);
const order = await orderResponse.json();

// 2. Sign transaction
const transaction = VersionedTransaction.deserialize(
  Buffer.from(order.transaction, 'base64')
);
const signed = await wallet.signTransaction(transaction);

// 3. Execute
const resultResponse = await fetch('https://api.jup.ag/ultra/v1/execute', {
  method: 'POST',
  headers: { 'Content-Type': 'application/json' },
  body: JSON.stringify({
    signedTransaction: Buffer.from(signed.serialize()).toString('base64'),
    requestId: order.requestId,
  }),
});
const result = await resultResponse.json();

// Requires: @solana/web3.js 

// 1. Get user holdings (optional)
const holdingsResponse = await fetch(
  `https://api.jup.ag/ultra/v1/holdings?owner=${walletAddress}`
);
const holdings = await holdingsResponse.json();

// 2. Get order (quote + transaction)
const orderResponse = await fetch(
  `https://api.jup.ag/ultra/v1/order?` +
  `inputMint=${inputToken}&outputMint=${outputToken}&` +
  `amount=${amount}&taker=${walletAddress}`
);
const order = await orderResponse.json();

// 3. Sign transaction
const transaction = VersionedTransaction.deserialize(
  Buffer.from(order.transaction, 'base64')
);
const signed = await wallet.signTransaction(transaction);

// 4. Execute
const resultResponse = await fetch('https://api.jup.ag/ultra/v1/execute', {
  method: 'POST',
  headers: { 'Content-Type': 'application/json' },
  body: JSON.stringify({
    signedTransaction: Buffer.from(signed.serialize()).toString('base64'),
    requestId: order.requestId,
  }),
});
const result = await resultResponse.json();

// Requires: @solana/web3.js 

async function executeTrade(strategy, wallet) {
  // Your strategy logic
  const signal = strategy.generateSignal();
  
  // 1. Get order (quote + transaction)
  const orderResponse = await fetch(
    `https://api.jup.ag/ultra/v1/order?` +
    `inputMint=${signal.fromToken}&` +
    `outputMint=${signal.toToken}&` +
    `amount=${signal.amount}&` +
    `taker=${wallet.publicKey.toString()}`
  );
  const order = await orderResponse.json();
  
  // Predictive Execution already chose best route
  // RTSE calculated optimal slippage
  // Jupiter Beam provides fastest, most private execution
  
  // 2. Sign transaction
  const transaction = VersionedTransaction.deserialize(
    Buffer.from(order.transaction, 'base64')
  );
  const signed = await wallet.signTransaction(transaction);
  
  // 3. Execute
  const resultResponse = await fetch('https://api.jup.ag/ultra/v1/execute', {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify({
      signedTransaction: Buffer.from(signed.serialize()).toString('base64'),
      requestId: order.requestId,
    }),
  });
  
  return await resultResponse.json();
}