Migrate utils to ethersjs v6 (#4736)

Co-authored-by: Hadrien Croubois <hadrien.croubois@gmail.com>
Co-authored-by: ernestognw <ernestognw@gmail.com>

contracts/mocks/MulticallHelper.sol

@@ -4,7 +4,7 @@ pragma solidity ^0.8.20;
 
 import {ERC20MulticallMock} from "./token/ERC20MulticallMock.sol";
 
-contract MulticallTest {
+contract MulticallHelper {
     function checkReturnValues(
         ERC20MulticallMock multicallToken,
         address[] calldata recipients,

contracts/mocks/StorageSlotMock.sol

@@ -7,41 +7,41 @@ import {StorageSlot} from "../utils/StorageSlot.sol";
 contract StorageSlotMock {
     using StorageSlot for *;
 
-    function setBoolean(bytes32 slot, bool value) public {
+    function setBooleanSlot(bytes32 slot, bool value) public {
         slot.getBooleanSlot().value = value;
     }
 
-    function setAddress(bytes32 slot, address value) public {
+    function setAddressSlot(bytes32 slot, address value) public {
         slot.getAddressSlot().value = value;
     }
 
-    function setBytes32(bytes32 slot, bytes32 value) public {
+    function setBytes32Slot(bytes32 slot, bytes32 value) public {
         slot.getBytes32Slot().value = value;
     }
 
-    function setUint256(bytes32 slot, uint256 value) public {
+    function setUint256Slot(bytes32 slot, uint256 value) public {
         slot.getUint256Slot().value = value;
     }
 
-    function getBoolean(bytes32 slot) public view returns (bool) {
+    function getBooleanSlot(bytes32 slot) public view returns (bool) {
         return slot.getBooleanSlot().value;
     }
 
-    function getAddress(bytes32 slot) public view returns (address) {
+    function getAddressSlot(bytes32 slot) public view returns (address) {
         return slot.getAddressSlot().value;
     }
 
-    function getBytes32(bytes32 slot) public view returns (bytes32) {
+    function getBytes32Slot(bytes32 slot) public view returns (bytes32) {
         return slot.getBytes32Slot().value;
     }
 
-    function getUint256(bytes32 slot) public view returns (uint256) {
+    function getUint256Slot(bytes32 slot) public view returns (uint256) {
         return slot.getUint256Slot().value;
     }
 
     mapping(uint256 key => string) public stringMap;
 
-    function setString(bytes32 slot, string calldata value) public {
+    function setStringSlot(bytes32 slot, string calldata value) public {
         slot.getStringSlot().value = value;
     }
 
@@ -49,7 +49,7 @@ contract StorageSlotMock {
         stringMap[key].getStringSlot().value = value;
     }
 
-    function getString(bytes32 slot) public view returns (string memory) {
+    function getStringSlot(bytes32 slot) public view returns (string memory) {
         return slot.getStringSlot().value;
     }
 
@@ -59,7 +59,7 @@ contract StorageSlotMock {
 
     mapping(uint256 key => bytes) public bytesMap;
 
-    function setBytes(bytes32 slot, bytes calldata value) public {
+    function setBytesSlot(bytes32 slot, bytes calldata value) public {
         slot.getBytesSlot().value = value;
     }
 
@@ -67,7 +67,7 @@ contract StorageSlotMock {
         bytesMap[key].getBytesSlot().value = value;
     }
 
-    function getBytes(bytes32 slot) public view returns (bytes memory) {
+    function getBytesSlot(bytes32 slot) public view returns (bytes memory) {
         return slot.getBytesSlot().value;
     }