refactor: global versioning

src/CustomToken.sol

@@ -1,4 +1,6 @@
 // SPDX-License-Identifier: LicenseRef-PolygonLabs-Open-Attribution OR LicenseRef-PolygonLabs-Source-Available
+// Vault Bridge (last updated v0.6.0) (CustomToken.sol)
+
 pragma solidity 0.8.29;
 
 // Main functionality.
@@ -10,7 +12,7 @@ import {Initializable} from "@openzeppelin-contracts-upgradeable/proxy/utils/Ini
 import {AccessControlUpgradeable} from "@openzeppelin-contracts-upgradeable/access/AccessControlUpgradeable.sol";
 import {PausableUpgradeable} from "@openzeppelin-contracts-upgradeable/utils/PausableUpgradeable.sol";
 import {ReentrancyGuardUpgradeable} from "@openzeppelin-contracts-upgradeable/utils/ReentrancyGuardUpgradeable.sol";
-import {IVersioned} from "./etc/IVersioned.sol";
+import {Versioned} from "./etc/Versioned.sol";
 
 /// @title Custom Token
 /// @author See https://github.com/agglayer/vault-bridge
@@ -23,7 +25,7 @@ abstract contract CustomToken is
     PausableUpgradeable,
     ReentrancyGuardUpgradeable,
     ERC20PermitUpgradeable,
-    IVersioned
+    Versioned
 {
     /// @dev Storage of Custom Token contract.
     /// @dev It's implemented on a custom ERC-7201 namespace to reduce the risk of storage collisions when using with upgradeable contracts.
@@ -177,6 +179,7 @@ abstract contract CustomToken is
         onlyLxlyBridgeAndNativeConverter
         nonReentrant
     {
+        // @remind Redocument.
         // When we migrate backing to Lx, we end up sending tokens to address(0) here.
         // These need to be claimable so the bridge accounting is correct and we allow it here by not reverting.
         if (account == address(0)) return;

src/MigrationManager.sol

@@ -1,4 +1,6 @@
 // SPDX-License-Identifier: LicenseRef-PolygonLabs-Open-Attribution OR LicenseRef-PolygonLabs-Source-Available
+// Vault Bridge (last updated v0.6.0) (MigrationManager.sol)
+
 pragma solidity 0.8.29;
 
 /// @dev Main functionality.
@@ -10,7 +12,7 @@ import {AccessControlUpgradeable} from "@openzeppelin-contracts-upgradeable/acce
 import {PausableUpgradeable} from "@openzeppelin-contracts-upgradeable/utils/PausableUpgradeable.sol";
 import {ReentrancyGuardTransientUpgradeable} from
     "@openzeppelin-contracts-upgradeable/utils/ReentrancyGuardTransientUpgradeable.sol";
-import {IVersioned} from "./etc/IVersioned.sol";
+import {Versioned} from "./etc/Versioned.sol";
 
 /// @dev Libraries.
 import {SafeERC20} from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
@@ -32,7 +34,7 @@ contract MigrationManager is
     AccessControlUpgradeable,
     PausableUpgradeable,
     ReentrancyGuardTransientUpgradeable,
-    IVersioned
+    Versioned
 {
     // Libraries.
     using SafeERC20 for IERC20;
@@ -300,11 +302,4 @@ contract MigrationManager is
     function unpause() external onlyRole(DEFAULT_ADMIN_ROLE) nonReentrant {
         _unpause();
     }
-
-    // -----================= ::: INFO ::: =================-----
-
-    /// @inheritdoc IVersioned
-    function version() external pure returns (string memory) {
-        return "0.5.0";
-    }
 }

src/NativeConverter.sol

@@ -1,4 +1,6 @@
 // SPDX-License-Identifier: LicenseRef-PolygonLabs-Open-Attribution OR LicenseRef-PolygonLabs-Source-Available
+// Vault Bridge (last updated v0.6.0) (NativeConverter.sol)
+
 pragma solidity 0.8.29;
 
 // Other functionality.
@@ -7,7 +9,7 @@ import {AccessControlUpgradeable} from "@openzeppelin-contracts-upgradeable/acce
 import {PausableUpgradeable} from "@openzeppelin-contracts-upgradeable/utils/PausableUpgradeable.sol";
 import {ReentrancyGuardUpgradeable} from "@openzeppelin-contracts-upgradeable/utils/ReentrancyGuardUpgradeable.sol";
 import {ERC20PermitUser} from "./etc/ERC20PermitUser.sol";
-import {IVersioned} from "./etc/IVersioned.sol";
+import {Versioned} from "./etc/Versioned.sol";
 
 // Libraries.
 import {SafeERC20} from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
@@ -31,7 +33,7 @@ abstract contract NativeConverter is
     PausableUpgradeable,
     ReentrancyGuardUpgradeable,
     ERC20PermitUser,
-    IVersioned
+    Versioned
 {
     // Libraries.
     using SafeERC20 for IERC20;

src/VaultBridgeToken.sol

@@ -1,4 +1,6 @@
 // SPDX-License-Identifier: LicenseRef-PolygonLabs-Open-Attribution OR LicenseRef-PolygonLabs-Source-Available
+// Vault Bridge (last updated v0.6.0) (VaultBridgeToken.sol)
+
 pragma solidity 0.8.29;
 
 // @remind UPDATE DOCUMENTATION.
@@ -16,7 +18,7 @@ import {PausableUpgradeable} from "@openzeppelin-contracts-upgradeable/utils/Pau
 import {ReentrancyGuardTransientUpgradeable} from
     "@openzeppelin-contracts-upgradeable/utils/ReentrancyGuardTransientUpgradeable.sol";
 import {ERC20PermitUser} from "./etc/ERC20PermitUser.sol";
-import {IVersioned} from "./etc/IVersioned.sol";
+import {Versioned} from "./etc/Versioned.sol";
 
 // Libraries.
 import {SafeERC20} from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
@@ -44,7 +46,7 @@ abstract contract VaultBridgeToken is
     IERC4626,
     ERC20PermitUpgradeable,
     ERC20PermitUser,
-    IVersioned
+    Versioned
 {
     // Libraries.
     using SafeERC20 for IERC20;

src/VaultBridgeTokenInitializer.sol

@@ -1,13 +1,12 @@
 // SPDX-License-Identifier: LicenseRef-PolygonLabs-Open-Attribution OR LicenseRef-PolygonLabs-Source-Available
+// Vault Bridge (last updated v0.6.0) (VaultBridgeTokenInitializer.sol)
+
 pragma solidity 0.8.29;
 
 // Main functionality.
 import {IVaultBridgeTokenInitializer} from "./etc/IVaultBridgeTokenInitializer.sol";
 import {VaultBridgeToken} from "./VaultBridgeToken.sol";
 
-// Other functionality.
-import {IVersioned} from "./etc/IVersioned.sol";
-
 // Libraries.
 import {SafeERC20} from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
 
@@ -92,11 +91,4 @@ contract VaultBridgeTokenInitializer is IVaultBridgeTokenInitializer, VaultBridg
         IERC20(initParams.underlyingToken).forceApprove(initParams.yieldVault, type(uint256).max);
         _approve(address(this), address(initParams.lxlyBridge), type(uint256).max);
     }
-
-    // -----================= ::: INFO ::: =================-----
-
-    /// @inheritdoc IVersioned
-    function version() external pure returns (string memory) {
-        return "0.5.0";
-    }
 }

src/VaultBridgeTokenPart2.sol

@@ -1,13 +1,12 @@
 // SPDX-License-Identifier: LicenseRef-PolygonLabs-Open-Attribution OR LicenseRef-PolygonLabs-Source-Available
+// Vault Bridge (last updated v0.6.0) (VaultBridgeTokenPart2.sol)
+
 pragma solidity 0.8.29;
 
 // Main functionality.
 import {VaultBridgeToken} from "./VaultBridgeToken.sol";
 import {IERC4626} from "@openzeppelin/contracts/interfaces/IERC4626.sol";
 
-// Other functionality.
-import {IVersioned} from "./etc/IVersioned.sol";
-
 // Libraries.
 import {SafeERC20} from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
 import {Math} from "@openzeppelin/contracts/utils/math/Math.sol";
@@ -351,11 +350,4 @@ contract VaultBridgeTokenPart2 is VaultBridgeToken {
     function unpause() external onlyRole(DEFAULT_ADMIN_ROLE) nonReentrant {
         _unpause();
     }
-
-    // -----================= ::: INFO ::: =================-----
-
-    /// @inheritdoc IVersioned
-    function version() external pure override returns (string memory) {
-        return "0.5.0";
-    }
 }

src/custom-tokens/GenericCustomToken.sol

@@ -1,11 +1,13 @@
 // SPDX-License-Identifier: LicenseRef-PolygonLabs-Open-Attribution OR LicenseRef-PolygonLabs-Source-Available
+// Vault Bridge (last updated v0.6.0) (custom-tokens/GenericCustomToken.sol)
+
 pragma solidity 0.8.29;
 
 // Main functionality.
 import {CustomToken} from "../CustomToken.sol";
 
 // Other functionality.
-import {IVersioned} from "../etc/IVersioned.sol";
+import {Versioned} from "../etc/Versioned.sol";
 
 /// @title Generic Custom Token
 /// @author See https://github.com/agglayer/vault-bridge
@@ -28,11 +30,4 @@ contract GenericCustomToken is CustomToken {
         // Initialize the base implementation.
         __CustomToken_init(owner_, name_, symbol_, originalUnderlyingTokenDecimals_, lxlyBridge_, nativeConverter_);
     }
-
-    // -----================= ::: INFO ::: =================-----
-
-    /// @inheritdoc IVersioned
-    function version() external pure virtual returns (string memory) {
-        return "0.5.0";
-    }
 }

src/custom-tokens/GenericNativeConverter.sol

@@ -1,11 +1,13 @@
 // SPDX-License-Identifier: LicenseRef-PolygonLabs-Open-Attribution OR LicenseRef-PolygonLabs-Source-Available
+// Vault Bridge (last updated v0.6.0) (custom-tokens/GenericNativeConverter.sol)
+
 pragma solidity 0.8.29;
 
 // Main functionality.
 import {NativeConverter} from "../NativeConverter.sol";
 
 // Other functionality.
-import {IVersioned} from "../etc/IVersioned.sol";
+import {Versioned} from "../etc/Versioned.sol";
 
 /// @title Generic Native Converter
 /// @author See https://github.com/agglayer/vault-bridge
@@ -39,11 +41,4 @@ contract GenericNativeConverter is NativeConverter {
             migrationManager_
         );
     }
-
-    // -----================= ::: INFO ::: =================-----
-
-    /// @inheritdoc IVersioned
-    function version() external pure virtual returns (string memory) {
-        return "0.5.0";
-    }
 }

src/custom-tokens/WETH/WETH.sol

@@ -1,9 +1,10 @@
 // SPDX-License-Identifier: LicenseRef-PolygonLabs-Open-Attribution OR LicenseRef-PolygonLabs-Source-Available
+// Vault Bridge (last updated v0.6.0) (custom-tokens/WETH/WETH.sol)
+
 pragma solidity 0.8.29;
 
 import {CustomToken} from "../../CustomToken.sol";
 import {IWETH9} from "../../etc/IWETH9.sol";
-import {IVersioned} from "../../etc/IVersioned.sol";
 import {ILxLyBridge} from "../../etc/ILxLyBridge.sol";
 
 /// @title WETH
@@ -95,9 +96,4 @@ contract WETH is CustomToken {
         payable(msg.sender).transfer(value);
         emit Withdrawal(msg.sender, value);
     }
-
-    /// @inheritdoc IVersioned
-    function version() public pure returns (string memory) {
-        return "0.5.0";
-    }
 }

src/custom-tokens/WETH/WETHNativeConverter.sol

@@ -1,9 +1,10 @@
 // SPDX-License-Identifier: LicenseRef-PolygonLabs-Open-Attribution OR LicenseRef-PolygonLabs-Source-Available
+// Vault Bridge (last updated v0.6.0) (custom-tokens/WETH/WETHNativeConverter.sol)
+
 pragma solidity 0.8.29;
 
 import {NativeConverter, Math} from "../../NativeConverter.sol";
 import {WETH} from "./WETH.sol";
-import {IVersioned} from "../../etc/IVersioned.sol";
 import {MigrationManager} from "../../MigrationManager.sol";
 import {ILxLyBridge} from "../../etc/ILxLyBridge.sol";
 
@@ -159,9 +160,4 @@ contract WETHNativeConverter is NativeConverter {
         // Emit the event.
         emit NonMigratableGasBackingPercentageSet(nonMigratableGasBackingPercentage_);
     }
-
-    /// @inheritdoc IVersioned
-    function version() external pure virtual returns (string memory) {
-        return "0.5.0";
-    }
 }

src/custom-tokens/vbUSDC/VbUSDC.sol.generic

@@ -1,4 +1,6 @@
 // SPDX-License-Identifier: LicenseRef-PolygonLabs-Open-Attribution OR LicenseRef-PolygonLabs-Source-Available
+// Vault Bridge (last updated v0.5.0) (custom-tokens/VbUSDC/VbUSDC.sol.generic)
+
 pragma solidity 0.8.29;
 
 // Main functionality.

src/custom-tokens/vbUSDC/VbUSDCNativeConverter.sol.generic

@@ -1,4 +1,6 @@
 // SPDX-License-Identifier: LicenseRef-PolygonLabs-Open-Attribution OR LicenseRef-PolygonLabs-Source-Available
+// Vault Bridge (last updated v0.5.0) (custom-tokens/VbUSDC/VbUSDCNativeConverter.sol.generic)
+
 pragma solidity 0.8.29;
 
 // Main functionality.

src/custom-tokens/vbUSDS/VbUSDS.sol.generic

@@ -1,4 +1,6 @@
 // SPDX-License-Identifier: LicenseRef-PolygonLabs-Open-Attribution OR LicenseRef-PolygonLabs-Source-Available
+// Vault Bridge (last updated v0.5.0) (custom-tokens/VbUSDS/VbUSDS.sol.generic)
+
 pragma solidity 0.8.29;
 
 // Main functionality.

src/custom-tokens/vbUSDS/VbUSDSNativeConverter.sol.generic

@@ -1,4 +1,6 @@
 // SPDX-License-Identifier: LicenseRef-PolygonLabs-Open-Attribution OR LicenseRef-PolygonLabs-Source-Available
+// Vault Bridge (last updated v0.5.0) (custom-tokens/VbUSDS/VbUSDSNativeConverter.sol.generic)
+
 pragma solidity 0.8.29;
 
 // Main functionality.

src/custom-tokens/vbUSDT/VbUSDT.sol.generic

@@ -1,4 +1,6 @@
 // SPDX-License-Identifier: LicenseRef-PolygonLabs-Open-Attribution OR LicenseRef-PolygonLabs-Source-Available
+// Vault Bridge (last updated v0.5.0) (custom-tokens/VbUSDT/VbUSDT.sol.generic)
+
 pragma solidity 0.8.29;
 
 // Main functionality.

src/custom-tokens/vbUSDT/VbUSDTNativeConverter.sol.generic

@@ -1,4 +1,6 @@
 // SPDX-License-Identifier: LicenseRef-PolygonLabs-Open-Attribution OR LicenseRef-PolygonLabs-Source-Available
+// Vault Bridge (last updated v0.5.0) (custom-tokens/VbUSDT/VbUSDTNativeConverter.sol.generic)
+
 pragma solidity 0.8.29;
 
 // Main functionality.

src/custom-tokens/vbWBTC/VbWBTC.sol.generic

@@ -1,4 +1,6 @@
 // SPDX-License-Identifier: LicenseRef-PolygonLabs-Open-Attribution OR LicenseRef-PolygonLabs-Source-Available
+// Vault Bridge (last updated v0.5.0) (custom-tokens/VbWBTC/VbWBTC.sol.generic)
+
 pragma solidity 0.8.29;
 
 // Main functionality.

src/custom-tokens/vbWBTC/VbWBTCNativeConverter.sol.generic

@@ -1,4 +1,6 @@
 // SPDX-License-Identifier: LicenseRef-PolygonLabs-Open-Attribution OR LicenseRef-PolygonLabs-Source-Available
+// Vault Bridge (last updated v0.5.0) (custom-tokens/VbWBTC/VbWBTCNativeConverter.sol.generic)
+
 pragma solidity 0.8.29;
 
 // Main functionality.

src/etc/ERC20PermitUser.sol

@@ -1,4 +1,6 @@
 // SPDX-License-Identifier: LicenseRef-PolygonLabs-Open-Attribution OR LicenseRef-PolygonLabs-Source-Available
+// Vault Bridge (last updated v0.5.0) (etc/ERC20PermitUser.sol)
+
 pragma solidity 0.8.29;
 
 /// @title ERC-20 Permit User

src/etc/IBridgeMessageReceiver.sol

@@ -1,4 +1,6 @@
 // SPDX-License-Identifier: LicenseRef-PolygonLabs-Open-Attribution OR LicenseRef-PolygonLabs-Source-Available
+// Vault Bridge (last updated v0.5.0) (etc/IBridgeMessageReceiver.sol)
+
 pragma solidity 0.8.29;
 
 /// @author See https://github.com/agglayer/vault-bridge

src/etc/ILxLyBridge.sol

@@ -1,4 +1,6 @@
 // SPDX-License-Identifier: LicenseRef-PolygonLabs-Open-Attribution OR LicenseRef-PolygonLabs-Source-Available
+// Vault Bridge (last updated v0.5.0) (etc/ILxLyBridge.sol)
+
 pragma solidity 0.8.29;
 
 /// @author See https://github.com/agglayer/vault-bridge

src/etc/IVaultBridgeTokenInitializer.sol

@@ -1,4 +1,6 @@
 // SPDX-License-Identifier: LicenseRef-PolygonLabs-Open-Attribution OR LicenseRef-PolygonLabs-Source-Available
+// Vault Bridge (last updated v0.5.0) (etc/IVaultBridgeTokenInitializer.sol)
+
 pragma solidity 0.8.29;
 
 // Main functionality.

src/etc/IWETH9.sol

@@ -1,4 +1,6 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
+// SPDX-License-Identifier: LicenseRef-PolygonLabs-Open-Attribution OR LicenseRef-PolygonLabs-Source-Available
+// Vault Bridge (last updated v0.5.0) (etc/IWETH9.sol)
+
 pragma solidity 0.8.29;
 
 import "@openzeppelin/contracts/token/ERC20/IERC20.sol";

src/etc/IVersioned.sol → src/etc/Versioned.sol

@@ -1,8 +1,12 @@
 // SPDX-License-Identifier: LicenseRef-PolygonLabs-Open-Attribution OR LicenseRef-PolygonLabs-Source-Available
+// Vault Bridge (last updated v0.6.0) (etc/Versioned.sol)
+
 pragma solidity 0.8.29;
 
 /// @author See https://github.com/agglayer/vault-bridge
-interface IVersioned {
+abstract contract Versioned {
     /// @notice The version of the contract.
-    function version() external pure returns (string memory);
+    function version() external pure returns (string memory) {
+        return "0.6.0";
+    }
 }