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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Land Registry DApp</title>
<script src="https://cdn.jsdelivr.net/npm/ethers/dist/ethers.min.js"></script>
</head>
<body>
<button id="connectButton">Connect Wallet</button>
<form id="registerForm">
<input type="text" id="name" placeholder="Name" required />
<input type="text" id="aadharNo" placeholder="Aadhar Number" required />
<input type="text" id="panNo" placeholder="PAN Number" required />
<input type="text" id="phoneNumber" placeholder="Phone Number" required />
<input type="email" id="email" placeholder="Email" required />
<button type="submit">Register User</button>
</form>
<script>
let provider;
let signer;
let contract;
const contractABI = [
{
"inputs": [],
"stateMutability": "nonpayable",
"type": "constructor"
},
{
"inputs": [
{
"internalType": "address",
"name": "sender",
"type": "address"
},
{
"internalType": "uint256",
"name": "tokenId",
"type": "uint256"
},
{
"internalType": "address",
"name": "owner",
"type": "address"
}
],
"name": "ERC721IncorrectOwner",
"type": "error"
},
{
"inputs": [
{
"internalType": "address",
"name": "operator",
"type": "address"
},
{
"internalType": "uint256",
"name": "tokenId",
"type": "uint256"
}
],
"name": "ERC721InsufficientApproval",
"type": "error"
},
{
"inputs": [
{
"internalType": "address",
"name": "approver",
"type": "address"
}
],
"name": "ERC721InvalidApprover",
"type": "error"
},
{
"inputs": [
{
"internalType": "address",
"name": "operator",
"type": "address"
}
],
"name": "ERC721InvalidOperator",
"type": "error"
},
{
"inputs": [
{
"internalType": "address",
"name": "owner",
"type": "address"
}
],
"name": "ERC721InvalidOwner",
"type": "error"
},
{
"inputs": [
{
"internalType": "address",
"name": "receiver",
"type": "address"
}
],
"name": "ERC721InvalidReceiver",
"type": "error"
},
{
"inputs": [
{
"internalType": "address",
"name": "sender",
"type": "address"
}
],
"name": "ERC721InvalidSender",
"type": "error"
},
{
"inputs": [
{
"internalType": "uint256",
"name": "tokenId",
"type": "uint256"
}
],
"name": "ERC721NonexistentToken",
"type": "error"
},
{
"inputs": [],
"name": "ReentrancyGuardReentrantCall",
"type": "error"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "owner",
"type": "address"
},
{
"indexed": true,
"internalType": "address",
"name": "approved",
"type": "address"
},
{
"indexed": true,
"internalType": "uint256",
"name": "tokenId",
"type": "uint256"
}
],
"name": "Approval",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "owner",
"type": "address"
},
{
"indexed": true,
"internalType": "address",
"name": "operator",
"type": "address"
},
{
"indexed": false,
"internalType": "bool",
"name": "approved",
"type": "bool"
}
],
"name": "ApprovalForAll",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": false,
"internalType": "uint256",
"name": "_fromTokenId",
"type": "uint256"
},
{
"indexed": false,
"internalType": "uint256",
"name": "_toTokenId",
"type": "uint256"
}
],
"name": "BatchMetadataUpdate",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "uint256",
"name": "landId",
"type": "uint256"
},
{
"indexed": true,
"internalType": "address",
"name": "buyer",
"type": "address"
}
],
"name": "BuyRequestMade",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "govtAuthority",
"type": "address"
}
],
"name": "GovtAuthorityRegistered",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "uint256",
"name": "landId",
"type": "uint256"
}
],
"name": "LandListedForSale",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "uint256",
"name": "landId",
"type": "uint256"
},
{
"indexed": true,
"internalType": "address",
"name": "owner",
"type": "address"
}
],
"name": "LandNFTMinted",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "uint256",
"name": "landId",
"type": "uint256"
},
{
"indexed": true,
"internalType": "address",
"name": "owner",
"type": "address"
}
],
"name": "LandRegistered",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": false,
"internalType": "uint256",
"name": "_tokenId",
"type": "uint256"
}
],
"name": "MetadataUpdate",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "uint256",
"name": "landId",
"type": "uint256"
},
{
"indexed": true,
"internalType": "address",
"name": "buyer",
"type": "address"
}
],
"name": "SaleApprovedByAuthority",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "uint256",
"name": "landId",
"type": "uint256"
},
{
"indexed": true,
"internalType": "address",
"name": "buyer",
"type": "address"
},
{
"indexed": false,
"internalType": "string",
"name": "proofUrl",
"type": "string"
}
],
"name": "SaleApprovedByOwner",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "from",
"type": "address"
},
{
"indexed": true,
"internalType": "address",
"name": "to",
"type": "address"
},
{
"indexed": true,
"internalType": "uint256",
"name": "tokenId",
"type": "uint256"
}
],
"name": "Transfer",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "user",
"type": "address"
}
],
"name": "UserRegistered",
"type": "event"
},
{
"inputs": [
{
"internalType": "address",
"name": "to",
"type": "address"
},
{
"internalType": "uint256",
"name": "tokenId",
"type": "uint256"
}
],
"name": "approve",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "uint256",
"name": "landId",
"type": "uint256"
}
],
"name": "approveSaleByAuthority",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "uint256",
"name": "landId",
"type": "uint256"
},
{
"internalType": "string",
"name": "proofUrl",
"type": "string"
}
],
"name": "approveSaleByOwner",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "owner",
"type": "address"
}
],
"name": "balanceOf",
"outputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "uint256",
"name": "tokenId",
"type": "uint256"
}
],
"name": "getApproved",
"outputs": [
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"name": "govtAuthorities",
"outputs": [
{
"internalType": "address",
"name": "id",
"type": "address"
},
{
"internalType": "string",
"name": "govtId",
"type": "string"
},
{
"internalType": "string",
"name": "name",
"type": "string"
},
{
"internalType": "string",
"name": "designation",
"type": "string"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "owner",
"type": "address"
},
{
"internalType": "address",
"name": "operator",
"type": "address"
}
],
"name": "isApprovedForAll",
"outputs": [
{
"internalType": "bool",
"name": "",
"type": "bool"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"name": "lands",
"outputs": [
{
"internalType": "uint256",
"name": "id",
"type": "uint256"
},
{
"internalType": "string",
"name": "propertyId",
"type": "string"
},
{
"internalType": "uint256",
"name": "area",
"type": "uint256"
},
{
"internalType": "string",
"name": "landAddress",
"type": "string"
},
{
"internalType": "uint256",
"name": "landPrice",
"type": "uint256"
},
{
"internalType": "bool",
"name": "isForSale",
"type": "bool"
},
{
"internalType": "address",
"name": "ownerAddress",
"type": "address"
},
{
"internalType": "bool",
"name": "isLandVerified",
"type": "bool"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "uint256",
"name": "landId",
"type": "uint256"
},
{
"internalType": "uint256",
"name": "price",
"type": "uint256"
}
],
"name": "listLandForSale",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [],
"name": "name",
"outputs": [
{
"internalType": "string",
"name": "",
"type": "string"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "uint256",
"name": "tokenId",
"type": "uint256"
}
],
"name": "ownerOf",
"outputs": [
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "string",
"name": "govtId",
"type": "string"
},
{
"internalType": "string",
"name": "name",
"type": "string"
},
{
"internalType": "string",
"name": "designation",
"type": "string"
}
],
"name": "registerGovtAuthority",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "string",
"name": "propertyId",
"type": "string"
},
{
"internalType": "uint256",
"name": "area",
"type": "uint256"
},
{
"internalType": "string",
"name": "landAddress",
"type": "string"
},
{
"internalType": "uint256",
"name": "landPrice",
"type": "uint256"
}
],
"name": "registerLand",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "string",
"name": "name",
"type": "string"
},
{
"internalType": "string",
"name": "aadharNo",
"type": "string"
},
{
"internalType": "string",
"name": "panNo",
"type": "string"
},
{
"internalType": "string",
"name": "phoneNumber",
"type": "string"
},
{
"internalType": "string",
"name": "email",
"type": "string"
}
],
"name": "registerUser",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "uint256",
"name": "landId",
"type": "uint256"
}
],
"name": "requestToBuyLand",
"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": [
{
"internalType": "uint256",
"name": "landId",
"type": "uint256"
},
{
"internalType": "string",
"name": "tokenURI",
"type": "string"
}
],
"name": "setTokenURI",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "bytes4",
"name": "interfaceId",
"type": "bytes4"
}
],
"name": "supportsInterface",
"outputs": [
{
"internalType": "bool",
"name": "",
"type": "bool"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [],
"name": "symbol",
"outputs": [
{
"internalType": "string",
"name": "",
"type": "string"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "uint256",
"name": "tokenId",
"type": "uint256"
}
],
"name": "tokenURI",
"outputs": [
{
"internalType": "string",
"name": "",
"type": "string"
}
],
"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": "",
"type": "address"
}
],
"name": "users",
"outputs": [
{
"internalType": "address",
"name": "id",
"type": "address"
},
{
"internalType": "string",
"name": "name",
"type": "string"
},
{
"internalType": "string",
"name": "aadharNo",
"type": "string"
},
{
"internalType": "string",
"name": "panNo",
"type": "string"
},
{
"internalType": "string",
"name": "phoneNumber",
"type": "string"
},
{
"internalType": "string",
"name": "email",
"type": "string"
},
{
"internalType": "bool",
"name": "isUserVerified",
"type": "bool"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "uint256",
"name": "landId",
"type": "uint256"
}
],
"name": "verifyLand",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "userAddress",
"type": "address"
}
],
"name": "verifyUser",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
}
];
const contractAddress = "0x7d5C1Bfe80dc5bCfd5157a7A14868c87FCFF134B"; // Replace with your contract address
document.getElementById('connectButton').onclick = async () => {
if (window.ethereum) {
provider = new ethers.providers.Web3Provider(window.ethereum);
await provider.send("eth_requestAccounts", []);
signer = provider.getSigner();
contract = new ethers.Contract(contractAddress, contractABI, signer);
console.log('Wallet connected');
} else {
alert('MetaMask is not installed');
}
};
document.getElementById('registerForm').onsubmit = async (e) => {
e.preventDefault();
if (contract) {
const name = document.getElementById('name').value;
const aadharNo = document.getElementById('aadharNo').value;
const panNo = document.getElementById('panNo').value;
const phoneNumber = document.getElementById('phoneNumber').value;
const email = document.getElementById('email').value;
try {
const tx = await contract.registerUser(name, aadharNo, panNo, phoneNumber, email);
console.log('Transaction hash:', tx.hash);
const receipt = await tx.wait();
console.log('Transaction confirmed:', receipt);
} catch (error) {
console.error('Error registering user:', error);
}
} else {