fix tests and typechain + loop

packages/contracts/scripts/generate-typechain-osx.ts

@@ -28,7 +28,12 @@ async function generateTypechain(): Promise<void> {
     }
 
     const dirPath = path.dirname(filePath);
-    if (!excludedDirs.has(dirPath)) {
+
+    // Only arrange the contracts' paths in the current 
+    // directory without previous versions.
+    const containsPrefix = Array.from(excludedDirs).some(prefix => dirPath.startsWith(prefix));
+
+    if (!containsPrefix) {
       jsonFiles.push(filePath);
     }
   });

packages/contracts/src/core/dao/DAO.sol

@@ -120,6 +120,9 @@ contract DAO is
     /// @notice Thrown when a function is removed but left to not corrupt the interface ID.
     error FunctionRemoved();
 
+    /// @notice Thrown when initialize is called after it has already been executed.
+    error AlreadyInitialized();
+
     /// @notice Emitted when a new DAO URI is set.
     /// @param daoURI The new URI.
     event NewURI(string daoURI);
@@ -137,6 +140,15 @@ contract DAO is
         _reentrancyStatus = _NOT_ENTERED;
     }
 
+    /// @notice This ensures that the initialize function cannot be called during the upgrade process.
+    modifier onlyCallAtInitialization() {
+        if (_getInitializedVersion() != 0) {
+            revert AlreadyInitialized();
+        }
+
+        _;
+    }
+
     /// @notice Disables the initializers on the implementation contract to prevent it from being left uninitialized.
     constructor() {
         _disableInitializers();
@@ -157,9 +169,12 @@ contract DAO is
         address _initialOwner,
         address _trustedForwarder,
         string calldata daoURI_
-    ) external reinitializer(3) {
+    ) external onlyCallAtInitialization reinitializer(3) {
         _reentrancyStatus = _NOT_ENTERED; // added in v1.3.0
 
+        // In addition to the current interfaceId, also support previous version of the interfaceId.
+        _registerInterface(type(IDAO).interfaceId ^ IExecutor.execute.selector);
+
         _registerInterface(type(IDAO).interfaceId);
         _registerInterface(type(IExecutor).interfaceId);
         _registerInterface(type(IERC1271).interfaceId);
@@ -202,6 +217,7 @@ contract DAO is
                 _permissionId: keccak256("SET_SIGNATURE_VALIDATOR_PERMISSION")
             });
 
+            _registerInterface(type(IDAO).interfaceId);
             _registerInterface(type(IExecutor).interfaceId);
         }
     }
@@ -274,8 +290,7 @@ contract DAO is
             msg.data
         );
 
-        for (uint256 i = 0; i < _actions.length; i++) {
-            // TODO: Merge this loop with the below one.
+        for (uint256 i = 0; i < _actions.length; ) {
             Action calldata action = _actions[i];
 
             bool isAllowed = hasExecutePermission;
@@ -298,9 +313,7 @@ contract DAO is
             if (!isAllowed) {
                 revert Unauthorized(action.to, msg.sender, permissionId);
             }
-        }
 
-        for (uint256 i = 0; i < _actions.length; ) {
             bool success;
             bytes memory data;
 

packages/contracts/test/core/dao/dao.ts

@@ -147,7 +147,7 @@ describe('DAO', function () {
           dummyAddress1,
           daoExampleURI
         )
-      ).to.be.revertedWith('Initializable: contract is already initialized');
+      ).to.be.revertedWithCustomError(dao, 'AlreadyInitialized');
     });
 
     it('initializes with the correct trusted forwarder', async () => {
@@ -449,7 +449,6 @@ describe('DAO', function () {
 
     it('supports the `IDAO` interface', async () => {
       const iface = IDAO__factory.createInterface();
-      expect(getInterfaceId(iface)).to.equal('0x9385547e'); // the interfaceID from IDAO v1.0.0
       expect(await dao.supportsInterface(getInterfaceId(iface))).to.be.true;
     });
 

packages/contracts/test/framework/plugin/plugin-setup-processor.ts

@@ -109,6 +109,8 @@ const EMPTY_DATA = '0x';
 
 const ADDRESS_TWO = `0x${'00'.repeat(19)}02`;
 
+const APPLY_TARGET_PERMISSION_ID = ethers.utils.id('APPLY_TARGET_PERMISSION');
+
 describe('PluginSetupProcessor', function () {
   let signers: SignerWithAddress[];
   let psp: PluginSetupProcessor;
@@ -579,7 +581,7 @@ describe('PluginSetupProcessor', function () {
           .withArgs(
             targetDao.address,
             psp.address,
-            '0xf40ef0af1ef5603c5d084dc17659d339ea90c8ff31545c1ffcadc8207aefa8af'
+            APPLY_TARGET_PERMISSION_ID
           );
       });
 
@@ -1165,7 +1167,7 @@ describe('PluginSetupProcessor', function () {
           .withArgs(
             targetDao.address,
             psp.address,
-            '0xf40ef0af1ef5603c5d084dc17659d339ea90c8ff31545c1ffcadc8207aefa8af'
+            APPLY_TARGET_PERMISSION_ID
           );
       });
 
@@ -1827,7 +1829,7 @@ describe('PluginSetupProcessor', function () {
         .withArgs(
           targetDao.address,
           psp.address,
-          '0xf40ef0af1ef5603c5d084dc17659d339ea90c8ff31545c1ffcadc8207aefa8af'
+          APPLY_TARGET_PERMISSION_ID
         );
     });