添加NFT图片

.openzeppelin/bsc-testnet.json

@@ -115,6 +115,16 @@
       "address": "0xf13Bdb02610672144381Fc6A3A438B62CB579934",
       "txHash": "0x33a174a7a830468f0b6eeb9435340801a42685b13aa42b41b43ba056cbdd7b7a",
       "kind": "transparent"
+    },
+    {
+      "address": "0x1D321a4FE34310f49F72cf73A0d573Eb3B7CdB03",
+      "txHash": "0xa4e740f0cc6247881a186717373a5e84f0a2b4c5c66e01b1d2c075c19a1b35e9",
+      "kind": "transparent"
+    },
+    {
+      "address": "0x9a1baA5b0282dc948Af3011e730da7236060f806",
+      "txHash": "0x953e6746fa3c3d5efa634a16f7c07cf7d72e32b8b25e12615c645d01f387048e",
+      "kind": "transparent"
     }
   ],
   "impls": {

contracts/NFT.sol

@@ -11,12 +11,14 @@ contract NFT is ERC721Enumerable  {
     bool first;
     address public pledgeAddress;
     uint256[] public blacks;
+    string public baseURI;
 
-    constructor(string memory name,string memory symbol) ERC721(name,symbol) {
+    constructor(string memory name,string memory symbol,string memory uri) ERC721(name,symbol) {
         require(first == false,"You can only use it once.");
         admins.push(msg.sender);
         deployAddress = msg.sender;
         first = true;
+        baseURI = uri;
     }
 
     modifier onlyAdmin(){
@@ -62,6 +64,10 @@ contract NFT is ERC721Enumerable  {
         admins = _admins;
     }    
 
+    function setBaseURI(string memory _uri) external onlyAdmin {
+      baseURI = _uri;
+    }
+
     function getAdmin() public view returns(address[] memory){
         return admins;
     }
@@ -88,4 +94,8 @@ contract NFT is ERC721Enumerable  {
         return super._update(to,tokenId,auth);
     }
 
+    function tokenURI(uint256 tokenId) public view override returns (string memory) {
+       return baseURI;
+    }
+
 }

scripts/deployProxy.ts

@@ -12,7 +12,8 @@ async function main() {
 
   console.log("開始部署NFT合約");
   const NFT = await ethers.getContractFactory("NFT");
-  const nft = await NFT.deploy("MyNFT", "MNFT");
+  const baseURI = "ipfs://QmQpgq4FvXNHZfoytpiwk617Nozmeu7iMiyiSzthVg1ZV7/metadata.json"
+  const nft = await NFT.deploy("SOFIL NFT", "SFSC", baseURI);
   console.log("NFT合約", nft.target);
 
   console.log("開始部署Pool合約");