diff --git a/src/blindBackrun.sol b/src/blindBackrun.sol
index c731fd8..a70c6b7 100644
--- a/src/blindBackrun.sol
+++ b/src/blindBackrun.sol
@@ -87,7 +87,7 @@ contract BlindBackrun is Ownable {
     function getAmountIn(
         IPairReserves.PairReserves memory firstPairData, 
         IPairReserves.PairReserves memory secondPairData
-    ) public returns (uint256) {
+    ) public view returns (uint256) {
         uint256 numerator = getNumerator(firstPairData, secondPairData);
         uint256 denominator = getDenominator(firstPairData, secondPairData);
         
@@ -145,7 +145,7 @@ contract BlindBackrun is Ownable {
     function getDenominator(
             IPairReserves.PairReserves memory firstPairData, 
             IPairReserves.PairReserves memory secondPairData
-        ) public returns (uint256){
+        ) public view returns (uint256){
         if (firstPairData.isWETHZero == true) {
             uint256 denominator = 
                 (