refactor: move FunctionReferenceLib under helpers

src/account/AccountLoupe.sol

@@ -12,10 +12,10 @@ import {
     HookGroup,
     toFunctionReferenceArray
 } from "./AccountStorage.sol";
+import {FunctionReference} from "../helpers/FunctionReferenceLib.sol";
 import {IAccountLoupe} from "../interfaces/IAccountLoupe.sol";
 import {IPluginManager} from "../interfaces/IPluginManager.sol";
 import {IStandardExecutor} from "../interfaces/IStandardExecutor.sol";
-import {FunctionReference} from "../libraries/FunctionReferenceLib.sol";
 
 abstract contract AccountLoupe is IAccountLoupe {
     using EnumerableMap for EnumerableMap.Bytes32ToUintMap;

src/account/AccountStorage.sol

@@ -1,10 +1,11 @@
 // SPDX-License-Identifier: GPL-3.0
 pragma solidity ^0.8.19;
 
-import {IPlugin} from "../interfaces/IPlugin.sol";
 import {EnumerableMap} from "@openzeppelin/contracts/utils/structs/EnumerableMap.sol";
 import {EnumerableSet} from "@openzeppelin/contracts/utils/structs/EnumerableSet.sol";
-import {FunctionReference} from "../libraries/FunctionReferenceLib.sol";
+
+import {FunctionReference} from "../helpers/FunctionReferenceLib.sol";
+import {IPlugin} from "../interfaces/IPlugin.sol";
 
 // bytes = keccak256("ERC6900.UpgradeableModularAccount.Storage")
 bytes32 constant _ACCOUNT_STORAGE_SLOT = 0x9f09680beaa4e5c9f38841db2460c401499164f368baef687948c315d9073e40;

src/account/PluginManagerInternals.sol

@@ -15,7 +15,7 @@ import {
     PermittedExternalCallData,
     StoredInjectedHook
 } from "./AccountStorage.sol";
-import {FunctionReference, FunctionReferenceLib} from "../libraries/FunctionReferenceLib.sol";
+import {FunctionReference, FunctionReferenceLib} from "../helpers/FunctionReferenceLib.sol";
 import {IPluginManager} from "../interfaces/IPluginManager.sol";
 import {
     IPlugin,

src/account/UpgradeableModularAccount.sol

@@ -13,7 +13,7 @@ import {AccountExecutor} from "./AccountExecutor.sol";
 import {AccountLoupe} from "./AccountLoupe.sol";
 import {AccountStorage, HookGroup, getAccountStorage, getPermittedCallKey} from "./AccountStorage.sol";
 import {AccountStorageInitializable} from "./AccountStorageInitializable.sol";
-import {FunctionReference, FunctionReferenceLib} from "../libraries/FunctionReferenceLib.sol";
+import {FunctionReference, FunctionReferenceLib} from "../helpers/FunctionReferenceLib.sol";
 import {IPlugin, PluginManifest} from "../interfaces/IPlugin.sol";
 import {IPluginExecutor} from "../interfaces/IPluginExecutor.sol";
 import {IPluginManager} from "../interfaces/IPluginManager.sol";

src/interfaces/IAccountLoupe.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: GPL-3.0
 pragma solidity ^0.8.19;
 
-import {FunctionReference} from "../libraries/FunctionReferenceLib.sol";
+import {FunctionReference} from "../helpers/FunctionReferenceLib.sol";
 
 interface IAccountLoupe {
     /// @notice Config for an execution function, given a selector

src/interfaces/IPluginManager.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: GPL-3.0
 pragma solidity ^0.8.19;
 
-import {FunctionReference} from "../libraries/FunctionReferenceLib.sol";
+import {FunctionReference} from "../helpers/FunctionReferenceLib.sol";
 
 /// @title Plugin Manager Interface
 interface IPluginManager {

test/account/AccountExecHooks.t.sol

@@ -4,6 +4,8 @@ pragma solidity ^0.8.19;
 import {ECDSA} from "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";
 import {EntryPoint} from "@eth-infinitism/account-abstraction/core/EntryPoint.sol";
 
+import {UpgradeableModularAccount} from "../../src/account/UpgradeableModularAccount.sol";
+import {FunctionReference, FunctionReferenceLib} from "../../src/helpers/FunctionReferenceLib.sol";
 import {IPluginManager} from "../../src/interfaces/IPluginManager.sol";
 import {
     IPlugin,
@@ -13,9 +15,7 @@ import {
     ManifestFunction,
     PluginManifest
 } from "../../src/interfaces/IPlugin.sol";
-import {UpgradeableModularAccount} from "../../src/account/UpgradeableModularAccount.sol";
 import {SingleOwnerPlugin} from "../../src/plugins/owner/SingleOwnerPlugin.sol";
-import {FunctionReference, FunctionReferenceLib} from "../../src/libraries/FunctionReferenceLib.sol";
 
 import {MockPlugin} from "../mocks/MockPlugin.sol";
 import {MSCAFactoryFixture} from "../mocks/MSCAFactoryFixture.sol";

test/account/AccountLoupe.t.sol

@@ -5,8 +5,7 @@ import {UUPSUpgradeable} from "@openzeppelin/contracts/proxy/utils/UUPSUpgradeab
 import {EntryPoint} from "@eth-infinitism/account-abstraction/core/EntryPoint.sol";
 
 import {UpgradeableModularAccount} from "../../src/account/UpgradeableModularAccount.sol";
-import {ISingleOwnerPlugin} from "../../src/plugins/owner/ISingleOwnerPlugin.sol";
-import {SingleOwnerPlugin} from "../../src/plugins/owner/SingleOwnerPlugin.sol";
+import {FunctionReference, FunctionReferenceLib} from "../../src/helpers/FunctionReferenceLib.sol";
 import {
     ManifestAssociatedFunctionType,
     ManifestExecutionHook,
@@ -16,7 +15,8 @@ import {
 import {IAccountLoupe} from "../../src/interfaces/IAccountLoupe.sol";
 import {IPluginManager} from "../../src/interfaces/IPluginManager.sol";
 import {IStandardExecutor} from "../../src/interfaces/IStandardExecutor.sol";
-import {FunctionReference, FunctionReferenceLib} from "../../src/libraries/FunctionReferenceLib.sol";
+import {ISingleOwnerPlugin} from "../../src/plugins/owner/ISingleOwnerPlugin.sol";
+import {SingleOwnerPlugin} from "../../src/plugins/owner/SingleOwnerPlugin.sol";
 
 import {MSCAFactoryFixture} from "../mocks/MSCAFactoryFixture.sol";
 import {ComprehensivePlugin} from "../mocks/plugins/ComprehensivePlugin.sol";

test/account/AccountPermittedCallHooks.t.sol

@@ -4,6 +4,8 @@ pragma solidity ^0.8.19;
 import {ECDSA} from "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";
 import {EntryPoint} from "@eth-infinitism/account-abstraction/core/EntryPoint.sol";
 
+import {UpgradeableModularAccount} from "../../src/account/UpgradeableModularAccount.sol";
+import {FunctionReference} from "../../src/helpers/FunctionReferenceLib.sol";
 import {IPluginManager} from "../../src/interfaces/IPluginManager.sol";
 import {
     IPlugin,
@@ -13,9 +15,7 @@ import {
     ManifestFunction,
     PluginManifest
 } from "../../src/interfaces/IPlugin.sol";
-import {UpgradeableModularAccount} from "../../src/account/UpgradeableModularAccount.sol";
 import {SingleOwnerPlugin} from "../../src/plugins/owner/SingleOwnerPlugin.sol";
-import {FunctionReference} from "../../src/libraries/FunctionReferenceLib.sol";
 
 import {MockPlugin} from "../mocks/MockPlugin.sol";
 import {MSCAFactoryFixture} from "../mocks/MSCAFactoryFixture.sol";

test/account/AccountReturnData.t.sol

@@ -3,11 +3,11 @@ pragma solidity ^0.8.19;
 
 import {EntryPoint} from "@eth-infinitism/account-abstraction/core/EntryPoint.sol";
 
-import {IPluginManager} from "../../src/interfaces/IPluginManager.sol";
 import {UpgradeableModularAccount} from "../../src/account/UpgradeableModularAccount.sol";
-import {SingleOwnerPlugin} from "../../src/plugins/owner/SingleOwnerPlugin.sol";
-import {FunctionReference} from "../../src/libraries/FunctionReferenceLib.sol";
+import {FunctionReference} from "../../src/helpers/FunctionReferenceLib.sol";
+import {IPluginManager} from "../../src/interfaces/IPluginManager.sol";
 import {Call} from "../../src/interfaces/IStandardExecutor.sol";
+import {SingleOwnerPlugin} from "../../src/plugins/owner/SingleOwnerPlugin.sol";
 
 import {
     RegularResultContract,

test/account/ExecuteFromPluginPermissions.t.sol

@@ -5,10 +5,10 @@ import {console} from "forge-std/Test.sol";
 
 import {EntryPoint} from "@eth-infinitism/account-abstraction/core/EntryPoint.sol";
 
-import {IPluginManager} from "../../src/interfaces/IPluginManager.sol";
 import {UpgradeableModularAccount} from "../../src/account/UpgradeableModularAccount.sol";
+import {FunctionReference} from "../../src/helpers/FunctionReferenceLib.sol";
+import {IPluginManager} from "../../src/interfaces/IPluginManager.sol";
 import {SingleOwnerPlugin} from "../../src/plugins/owner/SingleOwnerPlugin.sol";
-import {FunctionReference} from "../../src/libraries/FunctionReferenceLib.sol";
 
 import {MSCAFactoryFixture} from "../mocks/MSCAFactoryFixture.sol";
 import {Counter} from "../mocks/Counter.sol";

test/account/ManifestValidity.t.sol

@@ -3,11 +3,11 @@ pragma solidity ^0.8.19;
 
 import {EntryPoint} from "@eth-infinitism/account-abstraction/core/EntryPoint.sol";
 
-import {IPluginManager} from "../../src/interfaces/IPluginManager.sol";
-import {UpgradeableModularAccount} from "../../src/account/UpgradeableModularAccount.sol";
 import {PluginManagerInternals} from "../../src/account/PluginManagerInternals.sol";
+import {UpgradeableModularAccount} from "../../src/account/UpgradeableModularAccount.sol";
+import {FunctionReference} from "../../src/helpers/FunctionReferenceLib.sol";
+import {IPluginManager} from "../../src/interfaces/IPluginManager.sol";
 import {SingleOwnerPlugin} from "../../src/plugins/owner/SingleOwnerPlugin.sol";
-import {FunctionReference} from "../../src/libraries/FunctionReferenceLib.sol";
 
 import {MSCAFactoryFixture} from "../mocks/MSCAFactoryFixture.sol";
 import {

test/account/UpgradeableModularAccount.t.sol

@@ -9,15 +9,14 @@ import {UserOperation} from "@eth-infinitism/account-abstraction/interfaces/User
 
 import {PluginManagerInternals} from "../../src/account/PluginManagerInternals.sol";
 import {UpgradeableModularAccount} from "../../src/account/UpgradeableModularAccount.sol";
-import {SingleOwnerPlugin} from "../../src/plugins/owner/SingleOwnerPlugin.sol";
-import {TokenReceiverPlugin} from "../../src/plugins/TokenReceiverPlugin.sol";
-import {PluginManifest} from "../../src/interfaces/IPlugin.sol";
+import {FunctionReference} from "../../src/helpers/FunctionReferenceLib.sol";
+import {IPlugin, PluginManifest} from "../../src/interfaces/IPlugin.sol";
 import {IAccountLoupe} from "../../src/interfaces/IAccountLoupe.sol";
 import {IPluginManager} from "../../src/interfaces/IPluginManager.sol";
 import {IPluginExecutor} from "../../src/interfaces/IPluginExecutor.sol";
 import {Call} from "../../src/interfaces/IStandardExecutor.sol";
-import {FunctionReference} from "../../src/libraries/FunctionReferenceLib.sol";
-import {IPlugin, PluginManifest} from "../../src/interfaces/IPlugin.sol";
+import {SingleOwnerPlugin} from "../../src/plugins/owner/SingleOwnerPlugin.sol";
+import {TokenReceiverPlugin} from "../../src/plugins/TokenReceiverPlugin.sol";
 
 import {Counter} from "../mocks/Counter.sol";
 import {MSCAFactoryFixture} from "../mocks/MSCAFactoryFixture.sol";

test/account/ValidationIntersection.t.sol

@@ -4,10 +4,10 @@ pragma solidity ^0.8.19;
 import {EntryPoint} from "@eth-infinitism/account-abstraction/core/EntryPoint.sol";
 import {UserOperation} from "@eth-infinitism/account-abstraction/interfaces/UserOperation.sol";
 
-import {IPluginManager} from "../../src/interfaces/IPluginManager.sol";
 import {UpgradeableModularAccount} from "../../src/account/UpgradeableModularAccount.sol";
+import {FunctionReference} from "../../src/helpers/FunctionReferenceLib.sol";
+import {IPluginManager} from "../../src/interfaces/IPluginManager.sol";
 import {SingleOwnerPlugin} from "../../src/plugins/owner/SingleOwnerPlugin.sol";
-import {FunctionReference} from "../../src/libraries/FunctionReferenceLib.sol";
 
 import {MSCAFactoryFixture} from "../mocks/MSCAFactoryFixture.sol";
 import {

test/libraries/FunctionReferenceLib.t.sol

@@ -2,7 +2,8 @@
 pragma solidity ^0.8.19;
 
 import {Test} from "forge-std/Test.sol";
-import {FunctionReference, FunctionReferenceLib} from "../../src/libraries/FunctionReferenceLib.sol";
+
+import {FunctionReference, FunctionReferenceLib} from "../../src/helpers/FunctionReferenceLib.sol";
 
 contract FunctionReferenceLibTest is Test {
     function testFuzz_functionReference_packing(address addr, uint8 functionId) public {

test/mocks/plugins/ExecFromPluginPermissionsMocks.sol

@@ -1,6 +1,7 @@
 // SPDX-License-Identifier: UNLICENSED
 pragma solidity ^0.8.19;
 
+import {FunctionReference} from "../../../src/helpers/FunctionReferenceLib.sol";
 import {
     ManifestFunction,
     ManifestAssociatedFunctionType,
@@ -12,9 +13,8 @@ import {
 import {IStandardExecutor} from "../../../src/interfaces/IStandardExecutor.sol";
 import {IPluginExecutor} from "../../../src/interfaces/IPluginExecutor.sol";
 import {IPlugin} from "../../../src/interfaces/IPlugin.sol";
-import {BaseTestPlugin} from "./BaseTestPlugin.sol";
-import {FunctionReference} from "../../../src/libraries/FunctionReferenceLib.sol";
 
+import {BaseTestPlugin} from "./BaseTestPlugin.sol";
 import {ResultCreatorPlugin} from "./ReturnDataPluginMocks.sol";
 import {Counter} from "../Counter.sol";
 

test/mocks/plugins/ManifestValidityMocks.sol

@@ -1,6 +1,7 @@
 // SPDX-License-Identifier: UNLICENSED
 pragma solidity ^0.8.19;
 
+import {FunctionReference} from "../../../src/helpers/FunctionReferenceLib.sol";
 import {
     ManifestFunction,
     ManifestAssociatedFunctionType,
@@ -12,8 +13,8 @@ import {
 import {IStandardExecutor} from "../../../src/interfaces/IStandardExecutor.sol";
 import {IPluginExecutor} from "../../../src/interfaces/IPluginExecutor.sol";
 import {IPlugin} from "../../../src/interfaces/IPlugin.sol";
+
 import {BaseTestPlugin} from "./BaseTestPlugin.sol";
-import {FunctionReference} from "../../../src/libraries/FunctionReferenceLib.sol";
 
 contract BadValidationMagicValue_UserOp_Plugin is BaseTestPlugin {
     function onInstall(bytes calldata) external override {}

test/mocks/plugins/ReturnDataPluginMocks.sol

@@ -1,6 +1,7 @@
 // SPDX-License-Identifier: UNLICENSED
 pragma solidity ^0.8.19;
 
+import {FunctionReference} from "../../../src/helpers/FunctionReferenceLib.sol";
 import {
     ManifestFunction,
     ManifestAssociatedFunctionType,
@@ -11,8 +12,8 @@ import {
 import {IStandardExecutor} from "../../../src/interfaces/IStandardExecutor.sol";
 import {IPluginExecutor} from "../../../src/interfaces/IPluginExecutor.sol";
 import {IPlugin} from "../../../src/interfaces/IPlugin.sol";
+
 import {BaseTestPlugin} from "./BaseTestPlugin.sol";
-import {FunctionReference} from "../../../src/libraries/FunctionReferenceLib.sol";
 
 contract RegularResultContract {
     function foo() external pure returns (bytes32) {

test/plugin/TokenReceiverPlugin.t.sol

@@ -8,10 +8,10 @@ import {ERC721PresetMinterPauserAutoId} from
 import {IERC777Recipient} from "@openzeppelin/contracts/token/ERC777/IERC777Recipient.sol";
 import {IERC1155Receiver} from "@openzeppelin/contracts/token/ERC1155/IERC1155Receiver.sol";
 
-import {TokenReceiverPlugin} from "../../src/plugins/TokenReceiverPlugin.sol";
 import {UpgradeableModularAccount} from "../../src/account/UpgradeableModularAccount.sol";
-import {FunctionReference} from "../../src/libraries/FunctionReferenceLib.sol";
+import {FunctionReference} from "../../src/helpers/FunctionReferenceLib.sol";
 import {IPluginManager} from "../../src/interfaces/IPluginManager.sol";
+import {TokenReceiverPlugin} from "../../src/plugins/TokenReceiverPlugin.sol";
 
 import {MSCAFactoryFixture} from "../mocks/MSCAFactoryFixture.sol";
 import {MockERC777} from "../mocks/MockERC777.sol";