ArbNativeToken precompile

src/precompiles/ArbNativeToken.sol

@@ -0,0 +1,27 @@
+// Copyright 2021-2025, Offchain Labs, Inc.
+// For license information, see https://github.com/OffchainLabs/nitro-contracts/blob/main/LICENSE
+// SPDX-License-Identifier: BUSL-1.1
+
+pragma solidity >=0.4.21 <0.9.0;
+
+/**
+ * @title Enables minting and burning native tokens.
+ * @notice Authorized callers are added/removed through ArbOwner precompile.
+ */
+interface ArbNativeToken {
+    /**
+     * @notice In case the caller is authorized,
+     * mints some amount of the native gas token for this chain to the caller.
+     */
+    function mintNativeToken(
+        uint256 amount
+    ) external;
+
+    /**
+     * @notice In case the caller is authorized,
+     * burns some amount of the native gas token for this chain from the caller.
+     */
+    function burnNativeToken(
+        uint256 amount
+    ) external;
+}

src/precompiles/ArbOwner.sol

@@ -33,6 +33,24 @@ interface ArbOwner {
     /// @notice Retrieves the list of chain owners
     function getAllChainOwners() external view returns (address[] memory);
 
+    /// @notice Add account as a native token owner
+    function addNativeTokenOwner(
+        address newOwner
+    ) external;
+
+    /// @notice Remove account from the list of native token owners
+    function removeNativeTokenOwner(
+        address ownerToRemove
+    ) external;
+
+    /// @notice See if the user is a native token owner
+    function isNativeTokenOwner(
+        address addr
+    ) external view returns (bool);
+
+    /// @notice Retrieves the list of native token owners
+    function getAllNativeTokenOwners() external view returns (address[] memory);
+
     /// @notice Set how slowly ArbOS updates its estimate of the L1 basefee
     function setL1BaseFeeEstimateInertia(
         uint64 inertia