diff --git a/contracts/utils/Packing.sol b/contracts/utils/Packing.sol
index f26874a69f..57da2b0e43 100644
--- a/contracts/utils/Packing.sol
+++ b/contracts/utils/Packing.sol
@@ -5,23 +5,27 @@ pragma solidity ^0.8.20;
 library Packing {
     type Uint128x2 is bytes32;
 
-    function asUint128x2(bytes32 packed) internal pure returns (Uint128x2) {
-        return Uint128x2.wrap(packed);
+    function asUint128x2(bytes32 self) internal pure returns (Uint128x2) {
+        return Uint128x2.wrap(self);
+    }
+
+    function asBytes32(Uint128x2 self) internal pure returns (bytes32) {
+        return Uint128x2.unwrap(self);
     }
 
     function pack(uint128 high128, uint128 low128) internal pure returns (Uint128x2) {
         return Uint128x2.wrap(bytes32(bytes16(high128)) | bytes32(uint256(low128)));
     }
 
-    function split(Uint128x2 packed) internal pure returns (uint128, uint128) {
-        return (high(packed), low(packed));
+    function split(Uint128x2 self) internal pure returns (uint128, uint128) {
+        return (high(self), low(self));
     }
 
-    function high(Uint128x2 packed) internal pure returns (uint128) {
-        return uint128(bytes16(Uint128x2.unwrap(packed)));
+    function high(Uint128x2 self) internal pure returns (uint128) {
+        return uint128(bytes16(Uint128x2.unwrap(self)));
     }
 
-    function low(Uint128x2 packed) internal pure returns (uint128) {
-        return uint128(uint256(Uint128x2.unwrap(packed)));
+    function low(Uint128x2 self) internal pure returns (uint128) {
+        return uint128(uint256(Uint128x2.unwrap(self)));
     }
 }