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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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23
components/CertificateMinter.js
View File

@ -4,7 +4,7 @@ import { ethers } from 'ethers';
import { abi, NFT_CONTRACT_ADDRESS } from "../constants/index";
const CertificateMinter = () => {
const [recipient, setRecipient] = useState('');
const [certificateId, setCertificateId] = useState('');
const [userName, setUserName] = useState('');
const [surName, setSurName] = useState('');
const [email, setEmail] = useState('');
@ -18,14 +18,19 @@ const CertificateMinter = () => {
const signer = provider.getSigner();
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!');
} else {
alert('Please connect your wallet');
}
} catch (error) {
console.error('Error minting certificate:', error);
alert('Error minting certificate. Please check the console for details.');
if (error.code === 4001) {
alert('Certificate already issued');
} else {
alert('Error minting certificate. Please check the console for details.');
}
}
};
@ -33,28 +38,28 @@ const CertificateMinter = () => {
<div>
<h2>Certificate Minter</h2>
<label>
Recipient Address:
<input type="text" value={recipient} onChange={(e) => setRecipient(e.target.value)} style={{ color: 'black' }} />
Certificate ID:
<input type="text" value={certificateId} onChange={(e) => setCertificateId(e.target.value)} style={{ color: 'black' }} />
</label>
<br />
<label>
Name:
<input type="text" value={userName} onChange={(e) => setUserName(e.target.value)} style={{ color: 'black' }}/>
<input type="text" value={userName} onChange={(e) => setUserName(e.target.value)} style={{ color: 'black' }} />
</label>
<br />
<label>
Surname:
<input type="text" value={surName} onChange={(e) => setSurName(e.target.value)} style={{ color: 'black' }}/>
<input type="text" value={surName} onChange={(e) => setSurName(e.target.value)} style={{ color: 'black' }} />
</label>
<br />
<label>
Email:
<input type="text" value={email} onChange={(e) => setEmail(e.target.value)} style={{ color: 'black' }}/>
<input type="text" value={email} onChange={(e) => setEmail(e.target.value)} style={{ color: 'black' }} />
</label>
<br />
<label>
Company Name:
<input type="text" value={companyName} onChange={(e) => setCompanyName(e.target.value)} style={{ color: 'black' }}/>
<input type="text" value={companyName} onChange={(e) => setCompanyName(e.target.value)} style={{ color: 'black' }} />
</label>
<br />
<button onClick={mintCertificate}>Mint Certificate</button>

294
constants/index.js
View File

@ -1,22 +1,4 @@
export const abi = [
{
"inputs": [
{
"internalType": "address",
"name": "to",
"type": "address"
},
{
"internalType": "uint256",
"name": "tokenId",
"type": "uint256"
}
],
"name": "approve",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [],
"stateMutability": "nonpayable",
@ -125,39 +107,6 @@ export const abi = [
"name": "ERC721NonexistentToken",
"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": [
{
@ -249,82 +198,6 @@ export const abi = [
"name": "OwnershipTransferred",
"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,
"inputs": [
@ -352,11 +225,6 @@ export const abi = [
},
{
"inputs": [
{
"internalType": "address",
"name": "from",
"type": "address"
},
{
"internalType": "address",
"name": "to",
@ -368,20 +236,7 @@ export const abi = [
"type": "uint256"
}
],
"name": "transferFrom",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "newOwner",
"type": "address"
}
],
"name": "transferOwnership",
"name": "approve",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
@ -482,6 +337,39 @@ export const abi = [
"stateMutability": "view",
"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": [],
"name": "name",
@ -540,6 +428,82 @@ export const abi = [
"stateMutability": "view",
"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": [
{
@ -590,8 +554,44 @@ export const abi = [
],
"stateMutability": "view",
"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 =
"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(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 {
string userName;
string surName;
@ -20,18 +23,25 @@ contract Certificate is ERC721, Ownable {
constructor() ERC721("Certificate", "CERT") Ownable(msg.sender) {}
function mintCertificate(
address recipient,
uint256 certificateId,
string memory userName,
string memory surName,
string memory email,
string memory companyName
) external onlyOwner {
uint256 tokenId = nextCertificateId;
_safeMint(recipient, tokenId);
nextCertificateId++;
) external {
// Check if the certificate with the given ID has already been issued
require(!issuedCertificates[userName][msg.sender], "Certificate already issued");
_safeMint(msg.sender, certificateId);
// 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(