Calculate Historical Fee APY

import { MarketThree } from "@exponent-labs/exponent-sdk";

// Calculate fee APY over a 24-hour period
const feeGrowthDeltaSy = currentFeeGrowthSy - historicalFeeGrowthSy;
const feeGrowthDeltaPt = currentFeeGrowthPt - historicalFeeGrowthPt;

const apyData = MarketThree.calculateHistoricalFeeApy({
  feeGrowthDeltaSy,
  feeGrowthDeltaPt,
  avgLiquidity: 1000000n,  // Average liquidity in the range
  hoursElapsed: 24,
});

console.log("SY fee APY:", apyData.feeApySy, "%");
console.log("PT fee APY:", apyData.feeApyPt, "%");
console.log("Total fee APY:", apyData.feeApyTotal, "%");
console.log("Total SY fees earned:", apyData.totalFeesSy);
console.log("Total PT fees earned:", apyData.totalFeesPt);

{
  feeApySy: number;
  feeApyPt: number;
  feeApyTotal: number;
  totalFeesSy: bigint;
  totalFeesPt: bigint;
}