TypeScript Maker SDK

joyride rfq maker watch \
  --ttl 20 \
  --maker-subaccount <your-quoting-subaccount> \
  --price-command 'node price.js'

// price.js — one open request in on stdin, one answer out on stdout.
let input = '';
process.stdin.setEncoding('utf8');
process.stdin.on('data', (chunk) => {
  input += chunk;
});
process.stdin.on('end', () => {
  const request = JSON.parse(input);

  // Legs are ordered and signed, taker-buy orientation: a positive quantity is
  // a leg the taker receives when it buys the package.
  const contracts = request.legs.reduce(
    (total, leg) => total + Math.abs(Number(leg.quantity)),
    0,
  );
  if (contracts > 25) {
    process.stdout.write(JSON.stringify({ decline: 'size_limit' }));
    return;
  }

  const mid = pricePackage(request.legs);
  if (mid === null) {
    process.stdout.write(JSON.stringify({ decline: 'low_confidence' }));
    return;
  }

  // Whole-package totals, not per contract. Six decimal places.
  process.stdout.write(
    JSON.stringify({
      bid: (mid - 0.5).toFixed(6),
      ask: (mid + 0.5).toFixed(6),
    }),
  );
});

/** Replace with your model. Returning null declines the request. */
function pricePackage(legs) {
  return null;
}

interface RfqNonceProvider {
  read(wallet: string): Promise<string | null>;
  /** Persisted BEFORE the quote is sent, never after. */
  write(wallet: string, nonce: string): Promise<void>;
}

const runner = new MakerQuoteRunner({
  price: (request) => pricePackage(request),
  ttlSeconds: 20,
  makerSubaccount: '<base58-encoded-quoting-subaccount>',
  nonces: myNonceProvider,
  feeHeadroomBps: 50,
  lockHeadroomBps: 50,
  session: client.rfq.maker,
  fills: client.rfq.reads,
  connection: socket,
});

await runner.start();