From 60da4f4ea3eefcc3473c984fac2f925fa212e5e1 Mon Sep 17 00:00:00 2001
From: James Geary <36774175+jgeary@users.noreply.github.com>
Date: Mon, 31 Oct 2022 15:16:17 -0400
Subject: [PATCH] standardize ierc165 usage

---
 contracts/modules/Asks/Omnibus/AsksOmnibus.sol                | 4 ++--
 contracts/modules/Offers/Omnibus/OffersOmnibus.sol            | 1 -
 .../modules/ReserveAuction/Omnibus/ReserveAuctionOmnibus.sol  | 4 ++--
 3 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/contracts/modules/Asks/Omnibus/AsksOmnibus.sol b/contracts/modules/Asks/Omnibus/AsksOmnibus.sol
index a824b7ae..44e49c5d 100644
--- a/contracts/modules/Asks/Omnibus/AsksOmnibus.sol
+++ b/contracts/modules/Asks/Omnibus/AsksOmnibus.sol
@@ -4,6 +4,7 @@ pragma solidity 0.8.10;
 import {ReentrancyGuard} from "@rari-capital/solmate/src/utils/ReentrancyGuard.sol";
 import {IERC721} from "@openzeppelin/contracts/token/ERC721/IERC721.sol";
 import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
+import {IERC165} from "@openzeppelin/contracts/utils/introspection/IERC165.sol";
 
 import {ERC721TransferHelper} from "../../../transferHelpers/ERC721TransferHelper.sol";
 import {IncomingTransferSupportV1} from "../../../common/IncomingTransferSupport/V1/IncomingTransferSupportV1.sol";
@@ -66,11 +67,10 @@ contract AsksOmnibus is IAsksOmnibus, ReentrancyGuard, IncomingTransferSupportV1
     }
 
     /// @notice Implements EIP-165 for standard interface detection
-    /// @dev `0x01ffc9a7` is the IERC165 interface id
     /// @param _interfaceId The identifier of a given interface
     /// @return If the given interface is supported
     function supportsInterface(bytes4 _interfaceId) external pure returns (bool) {
-        return _interfaceId == type(IAsksOmnibus).interfaceId || _interfaceId == 0x01ffc9a7;
+        return _interfaceId == type(IAsksOmnibus).interfaceId || _interfaceId == type(IERC165).interfaceId;
     }
 
     /// @notice Creates a simple ETH ask for a given NFT
diff --git a/contracts/modules/Offers/Omnibus/OffersOmnibus.sol b/contracts/modules/Offers/Omnibus/OffersOmnibus.sol
index a75940e3..b2253fd4 100644
--- a/contracts/modules/Offers/Omnibus/OffersOmnibus.sol
+++ b/contracts/modules/Offers/Omnibus/OffersOmnibus.sol
@@ -74,7 +74,6 @@ contract OffersOmnibus is IOffersOmnibus, ReentrancyGuard, IncomingTransferSuppo
     }
 
     /// @notice Implements EIP-165 for standard interface detection
-    /// @dev `0x01ffc9a7` is the IERC165 interface id
     /// @param _interfaceId The identifier of a given interface
     /// @return If the given interface is supported
     function supportsInterface(bytes4 _interfaceId) external pure returns (bool) {
diff --git a/contracts/modules/ReserveAuction/Omnibus/ReserveAuctionOmnibus.sol b/contracts/modules/ReserveAuction/Omnibus/ReserveAuctionOmnibus.sol
index 5557f18c..463ce4eb 100644
--- a/contracts/modules/ReserveAuction/Omnibus/ReserveAuctionOmnibus.sol
+++ b/contracts/modules/ReserveAuction/Omnibus/ReserveAuctionOmnibus.sol
@@ -4,6 +4,7 @@ pragma solidity 0.8.10;
 import {ReentrancyGuard} from "@rari-capital/solmate/src/utils/ReentrancyGuard.sol";
 import {IERC721} from "@openzeppelin/contracts/token/ERC721/IERC721.sol";
 import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
+import {IERC165} from "@openzeppelin/contracts/utils/introspection/IERC165.sol";
 
 import {ERC721TransferHelper} from "../../../transferHelpers/ERC721TransferHelper.sol";
 import {IncomingTransferSupportV1} from "../../../common/IncomingTransferSupport/V1/IncomingTransferSupportV1.sol";
@@ -88,11 +89,10 @@ contract ReserveAuctionOmnibus is
     }
 
     /// @notice Implements EIP-165 for standard interface detection
-    /// @dev `0x01ffc9a7` is the IERC165 interface id
     /// @param _interfaceId The identifier of a given interface
     /// @return If the given interface is supported
     function supportsInterface(bytes4 _interfaceId) external pure returns (bool) {
-        return _interfaceId == type(IReserveAuctionOmnibus).interfaceId || _interfaceId == 0x01ffc9a7;
+        return _interfaceId == type(IReserveAuctionOmnibus).interfaceId || _interfaceId == type(IERC165).interfaceId;
     }
 
     /// @notice Creates a simple ETH auction for a given NFT