From 071266af5684079cf16859149c815a9e6c5e33a2 Mon Sep 17 00:00:00 2001
From: snsd0805 <levi900227@gmail.com>
Date: Sun, 4 Jun 2023 21:12:57 +0800
Subject: [PATCH] feat: only the owner can mint ERC721

---
 contracts/SoulboundToken.sol | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/contracts/SoulboundToken.sol b/contracts/SoulboundToken.sol
index 286deca..445829f 100644
--- a/contracts/SoulboundToken.sol
+++ b/contracts/SoulboundToken.sol
@@ -4,15 +4,15 @@ import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
 import "@openzeppelin/contracts/utils/Counters.sol";
 import "@openzeppelin/contracts/utils/Base64.sol";
 import "@openzeppelin/contracts/utils/Strings.sol";
-// import "./OnChainSVG.sol";
+import "@openzeppelin/contracts/access/Ownable.sol";
 
-contract SoulboundToken is ERC721 {
+contract SoulboundToken is ERC721, Ownable {
     using Counters for Counters.Counter;
     Counters.Counter private _tokenIds;
 
     constructor() ERC721("Credit System Soulbound Token", "CS_SBT") {}
 
-    function mint(address player) public returns (uint256) {
+    function mint(address player) public onlyOwner returns (uint256) {
         _tokenIds.increment();
         uint256 newItemId = _tokenIds.current();
         _mint(player, newItemId);