Update and rename YourContract.sol to MyToken.sol

packages/hardhat/contracts/MyToken.sol

@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.20;
+import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
+import "@openzeppelin/contracts/access/Ownable.sol";
+import "@openzeppelin/contracts/token/ERC20/extensions/ERC20Permit.sol";
+//https://sepolia.basescan.org/address/0x059ee9bde2aff94d0e6ad396ec0ec7d27bff6dc8 
+contract MyToken is ERC20, Ownable, ERC20Permit {
+    constructor(address initialOwner)
+        ERC20("USDC", "USDC")
+        Ownable(initialOwner)
+        ERC20Permit("MyToken")
+    {}
+
+    function mint(address to, uint256 amount) public onlyOwner {
+        _mint(to, amount);
+    }
+    function trf(address seller, uint256 amount, uint256 qt) public {
+        uint256 tamount = qt*amount;
+        _transfer(msg.sender, seller, tamount);
+    }
+
+}