From cafc5a77a14700026461829c9492c39cc5cd9052 Mon Sep 17 00:00:00 2001
From: adam <adam@alchemy.com>
Date: Wed, 12 Feb 2025 17:37:24 -0500
Subject: [PATCH] feat: remove onchain 165 interface check during install

---
 src/account/ModuleManagerInternals.sol     | 17 +++++------------
 test/account/ReferenceModularAccount.t.sol | 13 -------------
 2 files changed, 5 insertions(+), 25 deletions(-)

diff --git a/src/account/ModuleManagerInternals.sol b/src/account/ModuleManagerInternals.sol
index 11a71f87..2357cf45 100644
--- a/src/account/ModuleManagerInternals.sol
+++ b/src/account/ModuleManagerInternals.sol
@@ -1,12 +1,10 @@
 // SPDX-License-Identifier: GPL-3.0
 pragma solidity ^0.8.20;
 
-import {ERC165Checker} from "@openzeppelin/contracts/utils/introspection/ERC165Checker.sol";
 import {EnumerableSet} from "@openzeppelin/contracts/utils/structs/EnumerableSet.sol";
 
 import {collectReturnData} from "../helpers/CollectReturnData.sol";
 import {MAX_VALIDATION_ASSOC_HOOKS} from "../helpers/Constants.sol";
-import {IExecutionHookModule} from "../interfaces/IExecutionHookModule.sol";
 import {ExecutionManifest, ManifestExecutionHook} from "../interfaces/IExecutionModule.sol";
 import {
     HookConfig,
@@ -16,8 +14,6 @@ import {
     ValidationFlags
 } from "../interfaces/IModularAccount.sol";
 import {IModule} from "../interfaces/IModule.sol";
-import {IValidationHookModule} from "../interfaces/IValidationHookModule.sol";
-import {IValidationModule} from "../interfaces/IValidationModule.sol";
 import {HookConfigLib} from "../libraries/HookConfigLib.sol";
 import {KnownSelectorsLib} from "../libraries/KnownSelectorsLib.sol";
 import {ModuleEntityLib} from "../libraries/ModuleEntityLib.sol";
@@ -152,7 +148,7 @@ abstract contract ModuleManagerInternals is IModularAccount {
             _storage.supportedIfaces[manifest.interfaceIds[i]] += 1;
         }
 
-        _onInstall(module, moduleInstallData, type(IModule).interfaceId);
+        _onInstall(module, moduleInstallData);
 
         emit ExecutionInstalled(module, manifest);
     }
@@ -195,11 +191,8 @@ abstract contract ModuleManagerInternals is IModularAccount {
         emit ExecutionUninstalled(module, onUninstallSuccess, manifest);
     }
 
-    function _onInstall(address module, bytes calldata data, bytes4 interfaceId) internal {
+    function _onInstall(address module, bytes calldata data) internal {
         if (data.length > 0) {
-            if (!ERC165Checker.supportsInterface(module, interfaceId)) {
-                revert InterfaceNotSupported(module);
-            }
             // solhint-disable-next-line no-empty-blocks
             try IModule(module).onInstall(data) {}
             catch {
@@ -243,14 +236,14 @@ abstract contract ModuleManagerInternals is IModularAccount {
                     revert PreValidationHookLimitExceeded();
                 }
 
-                _onInstall(hookConfig.module(), hookData, type(IValidationHookModule).interfaceId);
+                _onInstall(hookConfig.module(), hookData);
 
                 continue;
             }
             // Hook is an execution hook
             _addExecHooks(_validationStorage.executionHooks, hookConfig);
 
-            _onInstall(hookConfig.module(), hookData, type(IExecutionHookModule).interfaceId);
+            _onInstall(hookConfig.module(), hookData);
         }
 
         for (uint256 i = 0; i < selectors.length; ++i) {
@@ -262,7 +255,7 @@ abstract contract ModuleManagerInternals is IModularAccount {
 
         _validationStorage.validationFlags = validationFlags;
 
-        _onInstall(validationConfig.module(), installData, type(IValidationModule).interfaceId);
+        _onInstall(validationConfig.module(), installData);
         emit ValidationInstalled(validationConfig.module(), validationConfig.entityId());
     }
 
diff --git a/test/account/ReferenceModularAccount.t.sol b/test/account/ReferenceModularAccount.t.sol
index 6a916de9..2b303bcf 100644
--- a/test/account/ReferenceModularAccount.t.sol
+++ b/test/account/ReferenceModularAccount.t.sol
@@ -280,19 +280,6 @@ contract ReferenceModularAccountTest is AccountTestBase {
         });
     }
 
-    function test_installExecution_interfaceNotSupported() public {
-        vm.startPrank(address(entryPoint));
-
-        address badModule = address(1);
-        vm.expectRevert(
-            abi.encodeWithSelector(ModuleManagerInternals.InterfaceNotSupported.selector, address(badModule))
-        );
-
-        ExecutionManifest memory m;
-
-        account1.installExecution({module: address(badModule), manifest: m, moduleInstallData: "a"});
-    }
-
     function test_installExecution_alreadyInstalled() public {
         ExecutionManifest memory m = tokenReceiverModule.executionManifest();