erc6900 · jaypaik · Mar 24, 2025 · Mar 18, 2025
diff --git a/src/account/AccountStorage.sol b/src/account/AccountStorage.sol
@@ -3,7 +3,7 @@ pragma solidity ^0.8.20;
 
 import {EnumerableSet} from "@openzeppelin/contracts/utils/structs/EnumerableSet.sol";
 
-import {HookConfig, ModuleEntity, ValidationFlags} from "../interfaces/IModularAccount.sol";
+import {HookConfig, ModuleEntity, ValidationFlags} from "../interfaces/IERC6900Account.sol";
 
 // bytes = keccak256("ERC6900.ReferenceModularAccount.Storage")
 bytes32 constant _ACCOUNT_STORAGE_SLOT = 0xc531f081ecdb5a90f38c197521797881a6e5c752a7d451780f325a95f8b91f45;

diff --git a/src/account/ModularAccountView.sol b/src/account/ModularAccountView.sol
@@ -5,23 +5,23 @@ import {UUPSUpgradeable} from "@openzeppelin/contracts/proxy/utils/UUPSUpgradeab
 import {EnumerableMap} from "@openzeppelin/contracts/utils/structs/EnumerableMap.sol";
 import {EnumerableSet} from "@openzeppelin/contracts/utils/structs/EnumerableSet.sol";
 
-import {HookConfig, IModularAccount, ModuleEntity} from "../interfaces/IModularAccount.sol";
-import {ExecutionDataView, IModularAccountView, ValidationDataView} from "../interfaces/IModularAccountView.sol";
+import {HookConfig, IERC6900Account, ModuleEntity} from "../interfaces/IERC6900Account.sol";
+import {ExecutionDataView, IERC6900AccountView, ValidationDataView} from "../interfaces/IERC6900AccountView.sol";
 import {HookConfigLib} from "../libraries/HookConfigLib.sol";
 import {ExecutionStorage, ValidationStorage, getAccountStorage, toHookConfig} from "./AccountStorage.sol";
 
-abstract contract ModularAccountView is IModularAccountView {
+abstract contract ModularAccountView is IERC6900AccountView {
     using EnumerableSet for EnumerableSet.Bytes32Set;
     using EnumerableMap for EnumerableMap.AddressToUintMap;
     using HookConfigLib for HookConfig;
 
-    /// @inheritdoc IModularAccountView
+    /// @inheritdoc IERC6900AccountView
     function getExecutionData(bytes4 selector) external view override returns (ExecutionDataView memory data) {
         if (
-            selector == IModularAccount.execute.selector || selector == IModularAccount.executeBatch.selector
+            selector == IERC6900Account.execute.selector || selector == IERC6900Account.executeBatch.selector
                 || selector == UUPSUpgradeable.upgradeToAndCall.selector
-                || selector == IModularAccount.installExecution.selector
-                || selector == IModularAccount.uninstallExecution.selector
+                || selector == IERC6900Account.installExecution.selector
+                || selector == IERC6900Account.uninstallExecution.selector
         ) {
             data.module = address(this);
             data.allowGlobalValidation = true;
@@ -39,7 +39,7 @@ abstract contract ModularAccountView is IModularAccountView {
         }
     }
 
-    /// @inheritdoc IModularAccountView
+    /// @inheritdoc IERC6900AccountView
     function getValidationData(ModuleEntity validationFunction)
         external
         view

diff --git a/src/account/ModuleManagerInternals.sol b/src/account/ModuleManagerInternals.sol
@@ -5,15 +5,17 @@ import {EnumerableSet} from "@openzeppelin/contracts/utils/structs/EnumerableSet
 
 import {collectReturnData} from "../helpers/CollectReturnData.sol";
 import {MAX_VALIDATION_ASSOC_HOOKS} from "../helpers/Constants.sol";
-import {ExecutionManifest, ManifestExecutionHook} from "../interfaces/IExecutionModule.sol";
+
 import {
     HookConfig,
-    IModularAccount,
+    IERC6900Account,
     ModuleEntity,
     ValidationConfig,
     ValidationFlags
-} from "../interfaces/IModularAccount.sol";
-import {IModule} from "../interfaces/IModule.sol";
+} from "../interfaces/IERC6900Account.sol";
+
+import {ExecutionManifest, ManifestExecutionHook} from "../interfaces/IERC6900ExecutionModule.sol";
+import {IERC6900Module} from "../interfaces/IERC6900Module.sol";
 import {HookConfigLib} from "../libraries/HookConfigLib.sol";
 import {KnownSelectorsLib} from "../libraries/KnownSelectorsLib.sol";
 import {ModuleEntityLib} from "../libraries/ModuleEntityLib.sol";
@@ -28,7 +30,7 @@ import {
     toSetValue
 } from "./AccountStorage.sol";
 
-abstract contract ModuleManagerInternals is IModularAccount {
+abstract contract ModuleManagerInternals is IERC6900Account {
     using EnumerableSet for EnumerableSet.Bytes32Set;
     using ModuleEntityLib for ModuleEntity;
     using ValidationConfigLib for ValidationConfig;
@@ -67,7 +69,7 @@ abstract contract ModuleManagerInternals is IModularAccount {
             revert NativeFunctionNotAllowed(selector);
         }
 
-        // Make sure incoming execution function is not a function in IModule
+        // Make sure incoming execution function is not a function in IERC6900Module
         if (KnownSelectorsLib.isIModuleFunction(selector)) {
             revert IModuleFunctionNotAllowed(selector);
         }
@@ -194,7 +196,7 @@ abstract contract ModuleManagerInternals is IModularAccount {
     function _onInstall(address module, bytes calldata data) internal {
         if (data.length > 0) {
             // solhint-disable-next-line no-empty-blocks
-            try IModule(module).onInstall(data) {}
+            try IERC6900Module(module).onInstall(data) {}
             catch {
                 bytes memory revertReason = collectReturnData();
                 revert ModuleInstallCallbackFailed(module, revertReason);
@@ -207,7 +209,7 @@ abstract contract ModuleManagerInternals is IModularAccount {
         if (data.length > 0) {
             // Clear the module storage for the account.
             // solhint-disable-next-line no-empty-blocks
-            try IModule(module).onUninstall(data) {}
+            try IERC6900Module(module).onUninstall(data) {}
             catch {
                 onUninstallSuccess = false;
             }

diff --git a/src/account/ReferenceModularAccount.sol b/src/account/ReferenceModularAccount.sol
@@ -13,17 +13,18 @@ import {EnumerableSet} from "@openzeppelin/contracts/utils/structs/EnumerableSet
 import {collectReturnData} from "../helpers/CollectReturnData.sol";
 import {DIRECT_CALL_VALIDATION_ENTITY_ID} from "../helpers/Constants.sol";
 import {_coalescePreValidation, _coalesceValidation} from "../helpers/ValidationResHelpers.sol";
-import {IExecutionHookModule} from "../interfaces/IExecutionHookModule.sol";
-import {ExecutionManifest} from "../interfaces/IExecutionModule.sol";
+
 import {
     Call,
-    IModularAccount,
+    IERC6900Account,
     ModuleEntity,
     ValidationConfig,
     ValidationFlags
-} from "../interfaces/IModularAccount.sol";
-import {IValidationHookModule} from "../interfaces/IValidationHookModule.sol";
-import {IValidationModule} from "../interfaces/IValidationModule.sol";
+} from "../interfaces/IERC6900Account.sol";
+import {IERC6900ExecutionHookModule} from "../interfaces/IERC6900ExecutionHookModule.sol";
+import {ExecutionManifest} from "../interfaces/IERC6900ExecutionModule.sol";
+import {IERC6900ValidationHookModule} from "../interfaces/IERC6900ValidationHookModule.sol";
+import {IERC6900ValidationModule} from "../interfaces/IERC6900ValidationModule.sol";
 import {HookConfig, HookConfigLib} from "../libraries/HookConfigLib.sol";
 import {ModuleEntityLib} from "../libraries/ModuleEntityLib.sol";
 import {SparseCalldataSegmentLib} from "../libraries/SparseCalldataSegmentLib.sol";
@@ -35,7 +36,7 @@ import {ModularAccountView} from "./ModularAccountView.sol";
 import {ModuleManagerInternals} from "./ModuleManagerInternals.sol";
 
 contract ReferenceModularAccount is
-    IModularAccount,
+    IERC6900Account,
     AccountExecutor,
     ModularAccountView,
     AccountStorageInitializable,
@@ -159,7 +160,7 @@ contract ReferenceModularAccount is
         _doCachedPostExecHooks(postValidatorExecHooks);
     }
 
-    /// @inheritdoc IModularAccount
+    /// @inheritdoc IERC6900Account
     /// @notice May be validated by a global validation.
     function execute(address target, uint256 value, bytes calldata data)
         external
@@ -171,7 +172,7 @@ contract ReferenceModularAccount is
         result = _exec(target, value, data);
     }
 
-    /// @inheritdoc IModularAccount
+    /// @inheritdoc IERC6900Account
     /// @notice May be validated by a global validation function.
     function executeBatch(Call[] calldata calls)
         external
@@ -188,7 +189,7 @@ contract ReferenceModularAccount is
         }
     }
 
-    /// @inheritdoc IModularAccount
+    /// @inheritdoc IERC6900Account
     function executeWithRuntimeValidation(bytes calldata data, bytes calldata authorization)
         external
         payable
@@ -225,7 +226,7 @@ contract ReferenceModularAccount is
         return returnData;
     }
 
-    /// @inheritdoc IModularAccount
+    /// @inheritdoc IERC6900Account
     /// @notice May be validated by a global validation.
     function installExecution(
         address module,
@@ -235,7 +236,7 @@ contract ReferenceModularAccount is
         _installExecution(module, manifest, moduleInstallData);
     }
 
-    /// @inheritdoc IModularAccount
+    /// @inheritdoc IERC6900Account
     /// @notice May be validated by a global validation.
     function uninstallExecution(
         address module,
@@ -256,7 +257,7 @@ contract ReferenceModularAccount is
         _installValidation(validationConfig, selectors, installData, hooks);
     }
 
-    /// @inheritdoc IModularAccount
+    /// @inheritdoc IERC6900Account
     /// @notice May be validated by a global validation.
     /// @dev This function can be used to update (to a certain degree) previously installed validation functions.
     ///      - preValidationHook, executionHooks, and selectors can be added later. Though they won't be deleted.
@@ -270,7 +271,7 @@ contract ReferenceModularAccount is
         _installValidation(validationConfig, selectors, installData, hooks);
     }
 
-    /// @inheritdoc IModularAccount
+    /// @inheritdoc IERC6900Account
     /// @notice May be validated by a global validation.
     function uninstallValidation(
         ModuleEntity validationFunction,
@@ -295,7 +296,7 @@ contract ReferenceModularAccount is
         return getAccountStorage().supportedIfaces[interfaceId] > 0;
     }
 
-    /// @inheritdoc IModularAccount
+    /// @inheritdoc IERC6900Account
     function accountId() external pure virtual returns (string memory) {
         return "erc6900.reference-modular-account.0.8.0";
     }
@@ -328,7 +329,7 @@ contract ReferenceModularAccount is
             (currentSignatureSegment, signature) = signature.advanceSegmentIfAtIndex(uint8(i));
 
             // If this reverts, bubble up revert reason.
-            IValidationHookModule(hookModule).preSignatureValidationHook(
+            IERC6900ValidationHookModule(hookModule).preSignatureValidationHook(
                 hookEntityId, msg.sender, hash, currentSignatureSegment
             );
         }
@@ -398,7 +399,7 @@ contract ReferenceModularAccount is
 
             (address module, uint32 entityId) = preUserOpValidationHooks[i].moduleEntity().unpack();
             uint256 currentValidationRes =
-                IValidationHookModule(module).preUserOpValidationHook(entityId, userOp, userOpHash);
+                IERC6900ValidationHookModule(module).preUserOpValidationHook(entityId, userOp, userOpHash);
 
             if (uint160(currentValidationRes) > 1) {
                 // If the aggregator is not 0 or 1, it is an unexpected value
@@ -486,7 +487,7 @@ contract ReferenceModularAccount is
         returns (bytes memory preExecHookReturnData)
     {
         (address module, uint32 entityId) = preExecHook.unpack();
-        try IExecutionHookModule(module).preExecutionHook(entityId, msg.sender, msg.value, data) returns (
+        try IERC6900ExecutionHookModule(module).preExecutionHook(entityId, msg.sender, msg.value, data) returns (
             bytes memory returnData
         ) {
             preExecHookReturnData = returnData;
@@ -511,12 +512,14 @@ contract ReferenceModularAccount is
             }
 
             (address module, uint32 entityId) = postHookToRun.postExecHook.unpack();
-            // solhint-disable-next-line no-empty-blocks
-            try IExecutionHookModule(module).postExecutionHook(entityId, postHookToRun.preExecHookReturnData) {}
-            catch {
+            /* solhint-disable no-empty-blocks */
+            try IERC6900ExecutionHookModule(module).postExecutionHook(
+                entityId, postHookToRun.preExecHookReturnData
+            ) {} catch {
                 bytes memory revertReason = collectReturnData();
                 revert PostExecHookReverted(module, entityId, revertReason);
             }
+            /* solhint-enable no-empty-blocks */
         }
     }
 
@@ -526,7 +529,7 @@ contract ReferenceModularAccount is
         bytes memory currentAuthData
     ) internal {
         (address hookModule, uint32 hookEntityId) = validationHook.unpack();
-        try IValidationHookModule(hookModule).preRuntimeValidationHook(
+        try IERC6900ValidationHookModule(hookModule).preRuntimeValidationHook(
             hookEntityId, msg.sender, msg.value, callData, currentAuthData
         )
         // forgefmt: disable-start
@@ -608,7 +611,7 @@ contract ReferenceModularAccount is
             revert UserOpValidationInvalid(module, entityId);
         }
 
-        return IValidationModule(module).validateUserOp(entityId, userOp, userOpHash);
+        return IERC6900ValidationModule(module).validateUserOp(entityId, userOp, userOpHash);
     }
 
     function _execRuntimeValidation(
@@ -618,7 +621,7 @@ contract ReferenceModularAccount is
     ) internal virtual {
         (address module, uint32 entityId) = runtimeValidationFunction.unpack();
 
-        try IValidationModule(module).validateRuntime(
+        try IERC6900ValidationModule(module).validateRuntime(
             address(this), entityId, msg.sender, msg.value, callData, authorization
         )
         // forgefmt: disable-start
@@ -644,8 +647,9 @@ contract ReferenceModularAccount is
         }
 
         if (
-            IValidationModule(module).validateSignature(address(this), entityId, msg.sender, hash, signature)
-                == _1271_MAGIC_VALUE
+            IERC6900ValidationModule(module).validateSignature(
+                address(this), entityId, msg.sender, hash, signature
+            ) == _1271_MAGIC_VALUE
         ) {
             return _1271_MAGIC_VALUE;
         }
@@ -684,15 +688,15 @@ contract ReferenceModularAccount is
 
         _checkIfValidationAppliesSelector(outerSelector, validationFunction, checkingType);
 
-        if (outerSelector == IModularAccount.execute.selector) {
+        if (outerSelector == IERC6900Account.execute.selector) {
             (address target,,) = abi.decode(callData[4:], (address, uint256, bytes));
 
             if (target == address(this)) {
                 // There is no point to call `execute` to recurse exactly once - this is equivalent to just having
                 // the calldata as a top-level call.
                 revert SelfCallRecursionDepthExceeded();
             }
-        } else if (outerSelector == IModularAccount.executeBatch.selector) {
+        } else if (outerSelector == IERC6900Account.executeBatch.selector) {
             // executeBatch may be used to batch account actions together, by targetting the account itself.
             // If this is done, we must ensure all of the inner calls are allowed by the provided validation
             // function.
@@ -704,8 +708,8 @@ contract ReferenceModularAccount is
                     bytes4 nestedSelector = bytes4(calls[i].data);
 
                     if (
-                        nestedSelector == IModularAccount.execute.selector
-                            || nestedSelector == IModularAccount.executeBatch.selector
+                        nestedSelector == IERC6900Account.execute.selector
+                            || nestedSelector == IERC6900Account.executeBatch.selector
                     ) {
                         // To prevent arbitrarily-deep recursive checking, we limit the depth of self-calls to one
                         // for the purposes of batching.

diff --git a/src/account/SemiModularAccount.sol b/src/account/SemiModularAccount.sol
@@ -7,7 +7,7 @@ import {PackedUserOperation} from "@eth-infinitism/account-abstraction/interface
 
 import {ModuleEntityLib} from "../libraries/ModuleEntityLib.sol";
 
-import {IModularAccount, ModuleEntity, ValidationConfig} from "../interfaces/IModularAccount.sol";
+import {IERC6900Account, ModuleEntity, ValidationConfig} from "../interfaces/IERC6900Account.sol";
 
 import {MessageHashUtils} from "@openzeppelin/contracts/utils/cryptography/MessageHashUtils.sol";
 import {SignatureChecker} from "@openzeppelin/contracts/utils/cryptography/SignatureChecker.sol";
@@ -91,7 +91,7 @@ contract SemiModularAccount is ReferenceModularAccount {
         revert InitializerDisabled();
     }
 
-    /// @inheritdoc IModularAccount
+    /// @inheritdoc IERC6900Account
     function accountId() external pure virtual override returns (string memory) {
         return "erc6900.reference-semi-modular-account.0.8.0";
     }

diff --git a/src/account/SemiModularAccount7702.sol b/src/account/SemiModularAccount7702.sol
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: GPL-3.0
 pragma solidity ^0.8.20;
 
-import {IModularAccount} from "../interfaces/IModularAccount.sol";
+import {IERC6900Account} from "../interfaces/IERC6900Account.sol";
 import {SemiModularAccount} from "./SemiModularAccount.sol";
 import {IEntryPoint} from "@eth-infinitism/account-abstraction/interfaces/IEntryPoint.sol";
 
@@ -10,7 +10,7 @@ contract SemiModularAccount7702 is SemiModularAccount {
 
     constructor(IEntryPoint anEntryPoint) SemiModularAccount(anEntryPoint) {}
 
-    /// @inheritdoc IModularAccount
+    /// @inheritdoc IERC6900Account
     function accountId() external pure virtual override returns (string memory) {
         return "erc6900.reference-semi-modular-account-7702.0.8.0";
     }

diff --git a/src/interfaces/IModularAccount.sol → src/interfaces/IERC6900Account.sol b/src/interfaces/IModularAccount.sol → src/interfaces/IERC6900Account.sol
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: CC0-1.0
 pragma solidity ^0.8.20;
 
-import {ExecutionManifest} from "./IExecutionModule.sol";
+import {ExecutionManifest} from "./IERC6900ExecutionModule.sol";
 
 type ModuleEntity is bytes24;
 // ModuleEntity is a packed representation of a module function
@@ -47,7 +47,7 @@ struct Call {
     bytes data;
 }
 
-interface IModularAccount {
+interface IERC6900Account {
     event ExecutionInstalled(address indexed module, ExecutionManifest manifest);
     event ExecutionUninstalled(address indexed module, bool onUninstallSucceeded, ExecutionManifest manifest);
     event ValidationInstalled(address indexed module, uint32 indexed entityId);

diff --git a/src/interfaces/IModularAccountView.sol → src/interfaces/IERC6900AccountView.sol b/src/interfaces/IModularAccountView.sol → src/interfaces/IERC6900AccountView.sol
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: CC0-1.0
 pragma solidity ^0.8.20;
 
-import {HookConfig, ModuleEntity, ValidationFlags} from "../interfaces/IModularAccount.sol";
+import {HookConfig, ModuleEntity, ValidationFlags} from "../interfaces/IERC6900Account.sol";
 
 /// @dev Represents data associated with a specific function selector.
 struct ExecutionDataView {
@@ -34,7 +34,7 @@ struct ValidationDataView {
     bytes4[] selectors;
 }
 
-interface IModularAccountView {
+interface IERC6900AccountView {
     /// @notice Get the execution data for a selector.
     /// @dev If the selector is a native function, the module address will be the address of the account.
     /// @param selector The selector to get the data for.