From 428f644f99bf33d6c6bb11c588b7debbf402bd89 Mon Sep 17 00:00:00 2001
From: Sebastian Liu <sebsadface@gmail.com>
Date: Thu, 15 Aug 2024 23:12:58 -0700
Subject: [PATCH] fix(spg): prevent duplicate license terms

---
 contracts/StoryProtocolGateway.sol | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/contracts/StoryProtocolGateway.sol b/contracts/StoryProtocolGateway.sol
index c226609..6585a07 100644
--- a/contracts/StoryProtocolGateway.sol
+++ b/contracts/StoryProtocolGateway.sol
@@ -403,6 +403,11 @@ contract StoryProtocolGateway is IStoryProtocolGateway, AccessManagedUpgradeable
         PILTerms calldata terms
     ) internal returns (uint256 licenseTermsId) {
         licenseTermsId = PIL_TEMPLATE.registerLicenseTerms(terms);
+
+        // Returns the license terms ID if already attached.
+        if (LICENSE_REGISTRY.hasIpAttachedLicenseTerms(ipId, address(PIL_TEMPLATE), licenseTermsId))
+            return licenseTermsId;
+
         LICENSING_MODULE.attachLicenseTerms(ipId, address(PIL_TEMPLATE), licenseTermsId);
     }