add code hash snap (#417)

* code hash snap

* move files, add descriptor

* rename

* add mock router snap

* router

Author: snreynolds

snapshots/PosMGasTest.json

@@ -38,5 +38,6 @@
   "PositionManager_permit_twice": "44975",
   "PositionManager_subscribe": "87968",
   "PositionManager_unsubscribe": "62697",
+  "position manager initcode hash (without constructor params, as uint256)": "81827502601055975118808937107769364319765058198432540518516360048852193272922",
   "positionManager bytecode size": "23877"
 }

snapshots/PositionDescriptorTest.json

@@ -1,3 +1,4 @@
 {
+  "position descriptor initcode hash (without constructor params, as uint256)": "88482580191959945449130293370700011665153263709859488839371600440410373093991",
   "positionDescriptor bytecode size": "24110"
 }

snapshots/V4RouterTest.json

@@ -22,5 +22,6 @@
   "V4Router_ExactOut3Hops_nativeOut": "224943",
   "V4Router_ExactOutputSingle": "133337",
   "V4Router_ExactOutputSingle_nativeIn_sweepETH": "126419",
-  "V4Router_ExactOutputSingle_nativeOut": "119821"
+  "V4Router_ExactOutputSingle_nativeOut": "119821",
+  "router initcode hash (without constructor params, as uint256)": "27545762869727400677117557485685740862616789454191614676777323590122002226479"
 }

test/PositionDescriptor.t.sol

@@ -41,6 +41,13 @@ contract PositionDescriptorTest is Test, PosmTestSetup {
         deployAndApprovePosm(manager);
     }
 
+    function test_position_descriptor_initcodeHash() public {
+        vm.snapshotValue(
+            "position descriptor initcode hash (without constructor params, as uint256)",
+            uint256(keccak256(abi.encodePacked(vm.getCode("PositionDescriptor.sol:PositionDescriptor"))))
+        );
+    }
+
     function test_bytecodeSize_positionDescriptor() public {
         vm.snapshotValue("positionDescriptor bytecode size", address(positionDescriptor).code.length);
     }

test/position-managers/PositionManager.gas.t.sol

@@ -73,6 +73,13 @@ contract PosMGasTest is Test, PosmTestSetup {
         sub = new MockSubscriber(lpm);
     }
 
+    function test_posm_initcodeHash() public {
+        vm.snapshotValue(
+            "position manager initcode hash (without constructor params, as uint256)",
+            uint256(keccak256(abi.encodePacked(vm.getCode("PositionManager.sol:PositionManager"))))
+        );
+    }
+
     function test_bytecodeSize_positionManager() public {
         vm.snapshotValue("positionManager bytecode size", address(lpm).code.length);
     }

test/router/V4Router.gas.t.sol

@@ -22,6 +22,13 @@ contract V4RouterTest is RoutingTestHelpers {
         vm.snapshotValue("V4Router_Bytecode", address(router).code.length);
     }
 
+    function test_router_initcodeHash() public {
+        vm.snapshotValue(
+            "router initcode hash (without constructor params, as uint256)",
+            uint256(keccak256(abi.encodePacked(vm.getCode("MockV4Router.sol:MockV4Router"))))
+        );
+    }
+
     /*//////////////////////////////////////////////////////////////
                         ERC20 -> ERC20 EXACT INPUT
     //////////////////////////////////////////////////////////////*/