// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
contract GopadToken is ERC20 {
 string public tokenURI;
 constructor(string memory name_, string memory symbol_, uint256 supply_, string memory uri_) ERC20(name_, symbol_) {
 require(bytes(name_).length > 0 && bytes(name_).length <= 64, "Invalid name");
 require(bytes(symbol_).length > 0 && bytes(symbol_).length <= 12, "Invalid symbol");
 require(supply_ > 0 && supply_ <= 1000000000000, "Invalid supply");
 require(bytes(uri_).length > 0, "Metadata required");
 tokenURI = uri_;
 _mint(msg.sender, supply_ * 10 ** decimals());
 }
}