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//SPDX-License-Identifier: MIT
pragma solidity ~0.8.17;

import {ENS} from "ens-contracts/registry/ENS.sol";
import {ReverseClaimer} from "ens-contracts/reverseRegistrar/ReverseClaimer.sol";
import {IWrappedEthRegistrarController} from "./IWrappedEthRegistrarController.sol";
import {IRegistrarRenewalWithReferral} from "./IRegistrarRenewalWithReferral.sol";

/**
 * @title UniversalRegistrarRenewalWithReferrer
 * @notice A contract for renewing ENS names via the WrappedEthRegistrarController with referral tracking.
 *
 * This contract provides a simplified renewal process that:
 * 1. Calls WRAPPED_ETH_REGISTRAR_CONTROLLER.renew(),
 * 2. Emits the RenewalReferred event for referral tracking, and
 * 3. Refunds the sender any overpayment.
 *
 * To use, replace UnwrappedEthRegistrarController.renew() with UniversalRegistrarRenewalWithReferrer.renew()
 * and all renewal transactions will include the referrer event.
 */
contract UniversalRegistrarRenewalWithReferrer is IRegistrarRenewalWithReferral, ReverseClaimer {
    IWrappedEthRegistrarController immutable WRAPPED_ETH_REGISTRAR_CONTROLLER;

    /// @notice Emitted when a name is renewed with a referrer.
    ///
    /// @param label The .eth subname label
    /// @param labelHash The keccak256 hash of the .eth subname label
    /// @param cost The actual cost of the renewal
    /// @param duration The duration of the renewal
    /// @param referrer The referrer of the renewal
    event RenewalReferred(string label, bytes32 indexed labelHash, uint256 cost, uint256 duration, bytes32 referrer);

    constructor(ENS ens, IWrappedEthRegistrarController _wrappedEthRegistrarController) ReverseClaimer(ens, msg.sender) {
        WRAPPED_ETH_REGISTRAR_CONTROLLER = _wrappedEthRegistrarController;
    }

    /**
     * @notice Renews an ENS name with referral tracking
     * @param label The label of the .eth subname to renew
     * @param duration The duration to extend the registration
     * @param referrer The referrer of the renewal
     * @dev Gas usage: ~117k
     */
    function renew(string calldata label, uint256 duration, bytes32 referrer) external payable {
        // 1. Call WRAPPED_ETH_REGISTRAR_CONTROLLER.renew() & infer cost
        uint256 prevBalance = address(this).balance;
        WRAPPED_ETH_REGISTRAR_CONTROLLER.renew{value: msg.value}(label, duration);
        uint256 currBalance = address(this).balance;
        uint256 cost = prevBalance - currBalance;

        // 2. Emit the RenewalReferred event with actual cost spent and indexed labelHash for searchability
        // NOTE: we emit `duration` instead of `expiry` to avoid the gas cost of reading the new
        // expiry from the Registry
        emit RenewalReferred(label, keccak256(bytes(label)), cost, duration, referrer);

        // 3. Refund sender contract balance
        if (currBalance > 0) {
            (bool success,) = msg.sender.call{value: currBalance}("");
            require(success, "ETH transfer failed");
        }
    }

    receive() external payable {}
}

//SPDX-License-Identifier: MIT
pragma solidity >=0.8.4;

interface ENS {
    // Logged when the owner of a node assigns a new owner to a subnode.
    event NewOwner(bytes32 indexed node, bytes32 indexed label, address owner);

    // Logged when the owner of a node transfers ownership to a new account.
    event Transfer(bytes32 indexed node, address owner);

    // Logged when the resolver for a node changes.
    event NewResolver(bytes32 indexed node, address resolver);

    // Logged when the TTL of a node changes
    event NewTTL(bytes32 indexed node, uint64 ttl);

    // Logged when an operator is added or removed.
    event ApprovalForAll(
        address indexed owner,
        address indexed operator,
        bool approved
    );

    function setRecord(
        bytes32 node,
        address owner,
        address resolver,
        uint64 ttl
    ) external;

    function setSubnodeRecord(
        bytes32 node,
        bytes32 label,
        address owner,
        address resolver,
        uint64 ttl
    ) external;

    function setSubnodeOwner(
        bytes32 node,
        bytes32 label,
        address owner
    ) external returns (bytes32);

    function setResolver(bytes32 node, address resolver) external;

    function setOwner(bytes32 node, address owner) external;

    function setTTL(bytes32 node, uint64 ttl) external;

    function setApprovalForAll(address operator, bool approved) external;

    function owner(bytes32 node) external view returns (address);

    function resolver(bytes32 node) external view returns (address);

    function ttl(bytes32 node) external view returns (uint64);

    function recordExists(bytes32 node) external view returns (bool);

    function isApprovedForAll(
        address owner,
        address operator
    ) external view returns (bool);
}

//SPDX-License-Identifier: MIT
pragma solidity >=0.8.17 <0.9.0;

import {ENS} from "../registry/ENS.sol";
import {IReverseRegistrar} from "../reverseRegistrar/IReverseRegistrar.sol";

contract ReverseClaimer {
    bytes32 constant ADDR_REVERSE_NODE =
        0x91d1777781884d03a6757a803996e38de2a42967fb37eeaca72729271025a9e2;

    constructor(ENS ens, address claimant) {
        IReverseRegistrar reverseRegistrar = IReverseRegistrar(
            ens.owner(ADDR_REVERSE_NODE)
        );
        reverseRegistrar.claim(claimant);
    }
}

//SPDX-License-Identifier: MIT
pragma solidity ~0.8.17;

import {IPriceOracle} from "ens-contracts/ethregistrar/IPriceOracle.sol";

/**
 * ABI for the WrappedEthRegistrarController.
 * @dev Mainnet Address: 0x253553366da8546fc250f225fe3d25d0c782303b
 */
interface IWrappedEthRegistrarController {
    function renew(string calldata name, uint256 duration) external payable;
    function rentPrice(string memory name, uint256 duration) external view returns (IPriceOracle.Price memory price);
}

//SPDX-License-Identifier: MIT
pragma solidity ~0.8.17;

interface IRegistrarRenewalWithReferral {
    function renew(string calldata label, uint256 duration, bytes32 referrer) external payable;
}

pragma solidity >=0.8.4;

interface IReverseRegistrar {
    function setDefaultResolver(address resolver) external;

    function claim(address owner) external returns (bytes32);

    function claimForAddr(
        address addr,
        address owner,
        address resolver
    ) external returns (bytes32);

    function claimWithResolver(
        address owner,
        address resolver
    ) external returns (bytes32);

    function setName(string memory name) external returns (bytes32);

    function setNameForAddr(
        address addr,
        address owner,
        address resolver,
        string memory name
    ) external returns (bytes32);

    function node(address addr) external pure returns (bytes32);
}

//SPDX-License-Identifier: MIT
pragma solidity >=0.8.17 <0.9.0;

interface IPriceOracle {
    struct Price {
        uint256 base;
        uint256 premium;
    }

    /// @dev Returns the price to register or renew a name.
    /// @param name The name being registered or renewed.
    /// @param expires When the name presently expires (0 if this is a new registration).
    /// @param duration How long the name is being registered or extended for, in seconds.
    /// @return base premium tuple of base price + premium price
    function price(
        string calldata name,
        uint256 expires,
        uint256 duration
    ) external view returns (Price calldata);
}

{
  "remappings": [
    "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
    "ens-contracts/=lib/ens-contracts/contracts/",
    "forge-std/=lib/forge-std/src/",
    "ds-test/=lib/openzeppelin-contracts/lib/forge-std/lib/ds-test/src/",
    "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/"
  ],
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "prague",
  "viaIR": false
}

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[{"inputs":[{"internalType":"contract ENS","name":"ens","type":"address"},{"internalType":"contract IWrappedEthRegistrarController","name":"_wrappedEthRegistrarController","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"string","name":"label","type":"string"},{"indexed":true,"internalType":"bytes32","name":"labelHash","type":"bytes32"},{"indexed":false,"internalType":"uint256","name":"cost","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"duration","type":"uint256"},{"indexed":false,"internalType":"bytes32","name":"referrer","type":"bytes32"}],"name":"RenewalReferred","type":"event"},{"inputs":[{"internalType":"string","name":"label","type":"string"},{"internalType":"uint256","name":"duration","type":"uint256"},{"internalType":"bytes32","name":"referrer","type":"bytes32"}],"name":"renew","outputs":[],"stateMutability":"payable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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00000000000000000000000000000000000c2e074ec69a0dfb2997ba6c7d2e1e000000000000000000000000253553366da8546fc250f225fe3d25d0c782303b

-----Decoded View---------------
Arg [0] : ens (address): 0x00000000000C2E074eC69A0dFb2997BA6C7d2e1e
Arg [1] : _wrappedEthRegistrarController (address): 0x253553366Da8546fC250F225fe3d25d0C782303b

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 00000000000000000000000000000000000c2e074ec69a0dfb2997ba6c7d2e1e
Arg [1] : 000000000000000000000000253553366da8546fc250f225fe3d25d0c782303b