refactor(firelight-status): replace web3.utils with native BigInt for asset calculations

Author: fassko

examples/developer-hub-javascript/firelight-status.ts

@@ -69,14 +69,12 @@ async function main() {
   );
 
   // Calculate exchange rate (assets per share)
-  const totalAssetsBN = web3.utils.toBN(totalAssets.toString());
-  const totalSupplyBN = web3.utils.toBN(totalSupply.toString());
-  if (!totalSupplyBN.isZero()) {
+  const totalAssetsBN = BigInt(totalAssets.toString());
+  const totalSupplyBN = BigInt(totalSupply.toString());
+  if (totalSupplyBN !== 0n) {
     // Calculate: (totalAssets * 10^assetDecimals) / totalSupply for precision
-    const precision = web3.utils
-      .toBN(10)
-      .pow(web3.utils.toBN(assetDecimalsNum));
-    const rateBN = totalAssetsBN.mul(precision).div(totalSupplyBN);
+    const precision = BigInt(10) ** BigInt(assetDecimalsNum);
+    const rateBN = (totalAssetsBN * precision) / totalSupplyBN;
     const formattedRate = (
       Number(rateBN.toString()) / Math.pow(10, assetDecimalsNum)
     ).toFixed(assetDecimalsNum);
@@ -135,11 +133,11 @@ async function main() {
   // 6. User Withdrawals and Redemptions
   // Check withdrawals for current and previous periods
   console.log("\n=== User Withdrawals ===");
-  const currentPeriodBN = web3.utils.toBN(currentPeriod.toString());
+  const currentPeriodBN = BigInt(currentPeriod.toString());
   const periodsToCheck = [currentPeriodBN];
 
-  if (!currentPeriodBN.isZero()) {
-    periodsToCheck.push(currentPeriodBN.subn(1));
+  if (currentPeriodBN !== 0n) {
+    periodsToCheck.push(currentPeriodBN - 1n);
   }
 
   for (const period of periodsToCheck) {