// Limit order that provides liquidity
Order: Buy 2.0 ETH at $2480 (market at $2500)
Execution: Order fills when price drops to $2480

Trade Value: 2.0 ETH × $2480 = $4,960
Maker Fee: $4,960 × 0.10% = $4.96
Net Cost: $4,960 + $4.96 = $4,964.96

// Plus yield earned while order was open!

// Market order that removes liquidity
Order: Market buy 2.0 ETH (current ask $2510)
Execution: Immediate at $2510

Trade Value: 2.0 ETH × $2510 = $5,020  
Taker Fee: $5,020 × 0.20% = $10.04
Net Cost: $5,020 + $10.04 = $5,030.04

// No yield opportunity (immediate execution)

// Peak trading hours (higher yield rates)
const peakHours = [8, 9, 10, 16, 17, 18]; // EST
const currentHour = new Date().getHours();

if (peakHours.includes(currentHour)) {
  // Place limit orders during high-activity periods
  // Higher chance of yield generation
  placeLimitOrder({
    price: marketPrice * 0.999, // Close to market
    timeInForce: "GTC"
  });
}

// Instead of multiple single orders
await gtx.placeOrder(order1); // Gas: ~50,000
await gtx.placeOrder(order2); // Gas: ~50,000  
await gtx.placeOrder(order3); // Gas: ~50,000
// Total: ~150,000 gas

// Use batch placement when available  
await gtx.batchPlaceOrders([order1, order2, order3]); 
// Total: ~80,000 gas (savings: ~70,000 gas)

// Efficient order management
const strategy = {
  // Place longer-term orders to reduce gas frequency
  timeInForce: "GTC",
  
  // Use competitive pricing to increase fill probability
  price: calculateOptimalPrice(market),
  
  // Batch cancellations when reshuffling portfolio
  batchCancel: true
};

// Get current fee rates
const feeRates = await gtx.getFeeRates();
console.log("Maker fee:", feeRates.maker); // 0.001 (0.10%)
console.log("Taker fee:", feeRates.taker); // 0.002 (0.20%)

// Calculate fees before trading
const orderValue = quantity * price;
const estimatedFee = orderValue * (isMaker ? feeRates.maker : feeRates.taker);

console.log(`Estimated fee: $${estimatedFee.toFixed(2)}`);

// Analyze your fee performance
const feeStats = await gtx.getUserFeeStats(userAddress);

console.log("Total fees paid:", feeStats.totalFees);
console.log("Maker/Taker ratio:", feeStats.makerRatio); 
console.log("Fee rebates earned:", feeStats.rebatesEarned);
console.log("Effective fee rate:", feeStats.effectiveRate);

function calculateTradingCost(params) {
  const { quantity, price, orderType, timeOpen = 0 } = params;
  
  const orderValue = quantity * price;
  const isMaker = orderType === "LIMIT";
  
  // Trading fee
  const feeRate = isMaker ? 0.001 : 0.002; // 0.1% vs 0.2%
  const tradingFee = orderValue * feeRate;
  
  // Potential yield (for makers)
  const yieldRate = 0.05; // 5% APY
  const dailyYield = isMaker ? orderValue * (yieldRate / 365) * (timeOpen / 24) : 0;
  
  // Gas estimate
  const gasPrice = 20; // gwei
  const gasUsed = 50000;
  const gasCost = (gasPrice * gasUsed) / 1e9 * 2500; // ETH price $2500
  
  return {
    tradingFee,
    potentialYield: dailyYield,
    gasCost,
    netCost: tradingFee + gasCost - dailyYield
  };
}

// Example usage
const cost = calculateTradingCost({
  quantity: 2.0,
  price: 2500,
  orderType: "LIMIT", 
  timeOpen: 12 // hours
});

console.log("Trading fee:", cost.tradingFee);
console.log("Potential yield:", cost.potentialYield);
console.log("Net cost:", cost.netCost);