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CubLearn-Solidity
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update smart contract and test UI

This commit is contained in:
Recep 2023-12-16 16:28:19 +03:00
parent db0c6c3c33
commit e1ccb79e6a
3 changed files with 177 additions and 162 deletions
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13
components/CertificateMinter.js
View File

@ -4,7 +4,7 @@ import { ethers } from 'ethers';
import { abi, NFT_CONTRACT_ADDRESS } from "../constants/index"; import { abi, NFT_CONTRACT_ADDRESS } from "../constants/index";
const CertificateMinter = () => { const CertificateMinter = () => {
const [recipient, setRecipient] = useState(''); const [certificateId, setCertificateId] = useState('');
const [userName, setUserName] = useState(''); const [userName, setUserName] = useState('');
const [surName, setSurName] = useState(''); const [surName, setSurName] = useState('');
const [email, setEmail] = useState(''); const [email, setEmail] = useState('');
@ -18,23 +18,28 @@ const CertificateMinter = () => {
const signer = provider.getSigner(); const signer = provider.getSigner();
const certificateContract = new ethers.Contract(NFT_CONTRACT_ADDRESS, abi, signer); const certificateContract = new ethers.Contract(NFT_CONTRACT_ADDRESS, abi, signer);
await certificateContract.mintCertificate(recipient, userName, surName, email, companyName); await certificateContract.mintCertificate(certificateId, userName, surName, email, companyName);
alert('Certificate minted successfully!'); alert('Certificate minted successfully!');
} else { } else {
alert('Please connect your wallet'); alert('Please connect your wallet');
} }
} catch (error) { } catch (error) {
console.error('Error minting certificate:', error); console.error('Error minting certificate:', error);
if (error.code === 4001) {
alert('Certificate already issued');
} else {
alert('Error minting certificate. Please check the console for details.'); alert('Error minting certificate. Please check the console for details.');
} }
}
}; };
return ( return (
<div> <div>
<h2>Certificate Minter</h2> <h2>Certificate Minter</h2>
<label> <label>
Recipient Address: Certificate ID:
<input type="text" value={recipient} onChange={(e) => setRecipient(e.target.value)} style={{ color: 'black' }} /> <input type="text" value={certificateId} onChange={(e) => setCertificateId(e.target.value)} style={{ color: 'black' }} />
</label> </label>
<br /> <br />
<label> <label>

294
constants/index.js
View File

@ -1,22 +1,4 @@
export const abi = [ export const abi = [
{
"inputs": [
{
"internalType": "address",
"name": "to",
"type": "address"
},
{
"internalType": "uint256",
"name": "tokenId",
"type": "uint256"
}
],
"name": "approve",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{ {
"inputs": [], "inputs": [],
"stateMutability": "nonpayable", "stateMutability": "nonpayable",
@ -125,39 +107,6 @@ export const abi = [
"name": "ERC721NonexistentToken", "name": "ERC721NonexistentToken",
"type": "error" "type": "error"
}, },
{
"inputs": [
{
"internalType": "address",
"name": "recipient",
"type": "address"
},
{
"internalType": "string",
"name": "userName",
"type": "string"
},
{
"internalType": "string",
"name": "surName",
"type": "string"
},
{
"internalType": "string",
"name": "email",
"type": "string"
},
{
"internalType": "string",
"name": "companyName",
"type": "string"
}
],
"name": "mintCertificate",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{ {
"inputs": [ "inputs": [
{ {
@ -249,82 +198,6 @@ export const abi = [
"name": "OwnershipTransferred", "name": "OwnershipTransferred",
"type": "event" "type": "event"
}, },
{
"inputs": [],
"name": "renounceOwnership",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "from",
"type": "address"
},
{
"internalType": "address",
"name": "to",
"type": "address"
},
{
"internalType": "uint256",
"name": "tokenId",
"type": "uint256"
}
],
"name": "safeTransferFrom",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "from",
"type": "address"
},
{
"internalType": "address",
"name": "to",
"type": "address"
},
{
"internalType": "uint256",
"name": "tokenId",
"type": "uint256"
},
{
"internalType": "bytes",
"name": "data",
"type": "bytes"
}
],
"name": "safeTransferFrom",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "operator",
"type": "address"
},
{
"internalType": "bool",
"name": "approved",
"type": "bool"
}
],
"name": "setApprovalForAll",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{ {
"anonymous": false, "anonymous": false,
"inputs": [ "inputs": [
@ -352,11 +225,6 @@ export const abi = [
}, },
{ {
"inputs": [ "inputs": [
{
"internalType": "address",
"name": "from",
"type": "address"
},
{ {
"internalType": "address", "internalType": "address",
"name": "to", "name": "to",
@ -368,20 +236,7 @@ export const abi = [
"type": "uint256" "type": "uint256"
} }
], ],
"name": "transferFrom", "name": "approve",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "newOwner",
"type": "address"
}
],
"name": "transferOwnership",
"outputs": [], "outputs": [],
"stateMutability": "nonpayable", "stateMutability": "nonpayable",
"type": "function" "type": "function"
@ -482,6 +337,39 @@ export const abi = [
"stateMutability": "view", "stateMutability": "view",
"type": "function" "type": "function"
}, },
{
"inputs": [
{
"internalType": "uint256",
"name": "certificateId",
"type": "uint256"
},
{
"internalType": "string",
"name": "userName",
"type": "string"
},
{
"internalType": "string",
"name": "surName",
"type": "string"
},
{
"internalType": "string",
"name": "email",
"type": "string"
},
{
"internalType": "string",
"name": "companyName",
"type": "string"
}
],
"name": "mintCertificate",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{ {
"inputs": [], "inputs": [],
"name": "name", "name": "name",
@ -540,6 +428,82 @@ export const abi = [
"stateMutability": "view", "stateMutability": "view",
"type": "function" "type": "function"
}, },
{
"inputs": [],
"name": "renounceOwnership",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "from",
"type": "address"
},
{
"internalType": "address",
"name": "to",
"type": "address"
},
{
"internalType": "uint256",
"name": "tokenId",
"type": "uint256"
}
],
"name": "safeTransferFrom",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "from",
"type": "address"
},
{
"internalType": "address",
"name": "to",
"type": "address"
},
{
"internalType": "uint256",
"name": "tokenId",
"type": "uint256"
},
{
"internalType": "bytes",
"name": "data",
"type": "bytes"
}
],
"name": "safeTransferFrom",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "operator",
"type": "address"
},
{
"internalType": "bool",
"name": "approved",
"type": "bool"
}
],
"name": "setApprovalForAll",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{ {
"inputs": [ "inputs": [
{ {
@ -590,8 +554,44 @@ export const abi = [
], ],
"stateMutability": "view", "stateMutability": "view",
"type": "function" "type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "from",
"type": "address"
},
{
"internalType": "address",
"name": "to",
"type": "address"
},
{
"internalType": "uint256",
"name": "tokenId",
"type": "uint256"
}
],
"name": "transferFrom",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "newOwner",
"type": "address"
}
],
"name": "transferOwnership",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
} }
]; ];
export const NFT_CONTRACT_ADDRESS = export const NFT_CONTRACT_ADDRESS =
"0x402F88e39B21390Ff962fb4bF1EE05f335E7dA3c"; "0xe7Bf32841a34C053aBcE967E0bE787F4164536d9";

22
nftCert.sol
View File

@ -10,6 +10,9 @@ contract Certificate is ERC721, Ownable {
// Mapping to store additional information for each certificate // Mapping to store additional information for each certificate
mapping(uint256 => CertificateInfo) private certificateInfoMapping; mapping(uint256 => CertificateInfo) private certificateInfoMapping;
// Mapping to check if a certificate with a given name and wallet address has been issued
mapping(string => mapping(address => bool)) private issuedCertificates;
struct CertificateInfo { struct CertificateInfo {
string userName; string userName;
string surName; string surName;
@ -20,18 +23,25 @@ contract Certificate is ERC721, Ownable {
constructor() ERC721("Certificate", "CERT") Ownable(msg.sender) {} constructor() ERC721("Certificate", "CERT") Ownable(msg.sender) {}
function mintCertificate( function mintCertificate(
address recipient, uint256 certificateId,
string memory userName, string memory userName,
string memory surName, string memory surName,
string memory email, string memory email,
string memory companyName string memory companyName
) external onlyOwner { ) external {
uint256 tokenId = nextCertificateId; // Check if the certificate with the given ID has already been issued
_safeMint(recipient, tokenId); require(!issuedCertificates[userName][msg.sender], "Certificate already issued");
nextCertificateId++;
_safeMint(msg.sender, certificateId);
// Store additional information using a mapping // Store additional information using a mapping
_storeCertificateInfo(tokenId, userName, surName, email, companyName); _storeCertificateInfo(certificateId, userName, surName, email, companyName);
// Mark the certificate as issued
issuedCertificates[userName][msg.sender] = true;
// Update the nextCertificateId only if the mint is successful
nextCertificateId = certificateId + 1;
} }
function _storeCertificateInfo( function _storeCertificateInfo(