fix: missing constructor for validator-gater & validator-rewarder (#78)

Fixes recallnet/ipc#484

Author: oed

src/token/ValidatorGater.sol

@@ -33,6 +33,11 @@ contract ValidatorGater is IValidatorGater, UUPSUpgradeable, OwnableUpgradeable
     error InvalidRouteAddress(address invalidAddress);
     error ContractNotActive();
 
+    /// @custom:oz-upgrades-unsafe-allow constructor
+    constructor() {
+        _disableInitializers();
+    }
+
     function initialize() public initializer {
         __Ownable_init(msg.sender);
         __UUPSUpgradeable_init();

src/token/ValidatorRewarder.sol

@@ -57,6 +57,11 @@ contract ValidatorRewarder is IValidatorRewarder, UUPSUpgradeable, OwnableUpgrad
     error InvalidValidatorAddress(address validator);
     error ContractNotActive();
 
+    /// @custom:oz-upgrades-unsafe-allow constructor
+    constructor() {
+        _disableInitializers();
+    }
+
     // ========== INITIALIZER ==========
 
     /// @notice Initializes the rewarder

test/ValidatorRewarder.t.sol

@@ -120,15 +120,16 @@ contract ValidatorRewarderSubnetTest is ValidatorRewarderTestBase {
 
     function testInitializeWithInvalidPeriod() public {
         // Deploy a new instance without initialization
-        ValidatorRewarder newRewarder = new ValidatorRewarder();
+        ValidatorRewarderDeployScript rewarderDeployer = new ValidatorRewarderDeployScript();
+        ValidatorRewarder newRewarder = rewarderDeployer.run(address(token));
         SubnetID memory subnet = createSubnet();
 
-        // Initialize with token
-        newRewarder.initialize(address(token));
-
         // Try to set subnet with invalid period
+        address newRewarderOwner = newRewarder.owner();
+        vm.startPrank(newRewarderOwner);
         vm.expectRevert(abi.encodeWithSelector(ValidatorRewarder.InvalidCheckpointPeriod.selector, 0));
         newRewarder.setSubnet(subnet, 0);
+        vm.stopPrank();
     }
 
     function testSetSubnetNotOwner() public {