From abcfa3f42e32e3c898eb60804b5b3808251b746e Mon Sep 17 00:00:00 2001
From: AgusDuha <81362284+agusduha@users.noreply.github.com>
Date: Fri, 9 Aug 2024 14:04:40 -0300
Subject: [PATCH] fix: add generic factory interface (#14)

* test: add L2 standard bridge interop unit tests

* fix: add tests natspec

* fix: add generic factory interface
---
 .../src/L2/IOptimismERC20Factory.sol                 | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 packages/contracts-bedrock/src/L2/IOptimismERC20Factory.sol

diff --git a/packages/contracts-bedrock/src/L2/IOptimismERC20Factory.sol b/packages/contracts-bedrock/src/L2/IOptimismERC20Factory.sol
new file mode 100644
index 000000000000..0286a8f7b34e
--- /dev/null
+++ b/packages/contracts-bedrock/src/L2/IOptimismERC20Factory.sol
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+/// @title IOptimismERC20Factory
+/// @notice Generic interface for IOptimismMintableERC20Factory and ISuperchainERC20Factory. Used to
+///         determine if a ERC20 contract is deployed by a factory.
+interface IOptimismERC20Factory {
+    /// @notice Checks if a ERC20 token is deployed by the factory.
+    /// @param _token The address of the ERC20 token to check the deployment.
+    /// @return _remoteToken The address of the remote token if it is deployed or `address(0)` if not.
+    function deployments(address _token) external view returns (address _remoteToken);
+}