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// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.13;

// Interfaces
import {IClammFeeStrategyV2} from "./IClammFeeStrategyV2.sol";

// Contracts
import {Ownable} from "openzeppelin-contracts/contracts/access/Ownable.sol";

contract ClammFeeStrategyV2 is IClammFeeStrategyV2, Ownable {
    /// @dev Option Market address => bool (is registered or not)
    mapping(address => bool) public registeredOptionMarkets;

    /// @dev Option Market address => Fee Percentage (fee percentage on premium)
    mapping(address => uint256) public feePercentages;

    /// @dev The precision in which fee percent is set (fee percent should always be divided by 1e6 to get the correct vaue)
    uint256 public constant FEE_PERCENT_PRECISION = 1e4;

    constructor() Ownable(msg.sender) {}

    /// @notice Registers an option market with the fee strategy
    /// @dev Can only be called by owner.
    /// @param _optionMarket Address of the option market
    /// @param _feePercentage Fee percentage
    function registerOptionMarket(address _optionMarket, uint256 _feePercentage) external onlyOwner {
        registeredOptionMarkets[_optionMarket] = true;

        updateFees(_optionMarket, _feePercentage);

        emit OptionMarketRegistered(_optionMarket);
    }

    /// @notice Updates the fee struct of an option market
    /// @dev Can only be called by owner.
    /// @param _optionMarket Address of the option market
    /// @param _feePercentage Fee percentage
    function updateFees(address _optionMarket, uint256 _feePercentage) public onlyOwner {
        require(_feePercentage < FEE_PERCENT_PRECISION * 100, "Fee percentage cannot be 100% or more");

        feePercentages[_optionMarket] = _feePercentage;

        emit FeeUpdate(_optionMarket, _feePercentage);
    }

    /// @inheritdoc	IClammFeeStrategyV2
    function onFeeReqReceive(address _optionMarket, uint256, uint256 _premium) external view returns (uint256 fee) {
        uint256 feePercentage = feePercentages[_optionMarket];

        if (!registeredOptionMarkets[_optionMarket]) {
            revert OptionMarketNotRegistered(_optionMarket);
        }

        fee = (feePercentage * _premium) / (FEE_PERCENT_PRECISION * 100);
    }

    error OptionMarketNotRegistered(address optionMarket);

    event OptionMarketRegistered(address optionMarket);

    event FeeUpdate(address optionMarket, uint256 feePercentages);
}

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.13;

interface IClammFeeStrategyV2 {
    /// @notice Computes the fee for an option purchase on CLAMM
    /// @param _optionMarket Address of the option market
    /// @param _amount Notional Amount
    /// @param _premium Total premium being charged for the option purchase
    /// @return fee the computed fee
    function onFeeReqReceive(address _optionMarket, uint256 _amount, uint256 _premium)
        external
        view
        returns (uint256 fee);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)

pragma solidity ^0.8.20;

import {Context} from "../utils/Context.sol";

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * The initial owner is set to the address provided by the deployer. This can
 * later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    /**
     * @dev The caller account is not authorized to perform an operation.
     */
    error OwnableUnauthorizedAccount(address account);

    /**
     * @dev The owner is not a valid owner account. (eg. `address(0)`)
     */
    error OwnableInvalidOwner(address owner);

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the address provided by the deployer as the initial owner.
     */
    constructor(address initialOwner) {
        if (initialOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(initialOwner);
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        if (owner() != _msgSender()) {
            revert OwnableUnauthorizedAccount(_msgSender());
        }
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        if (newOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)

pragma solidity ^0.8.20;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }

    function _contextSuffixLength() internal view virtual returns (uint256) {
        return 0;
    }
}

{
  "remappings": [
    "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
    "ds-test/=lib/openzeppelin-contracts/lib/forge-std/lib/ds-test/src/",
    "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
    "forge-std/=lib/forge-std/src/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "v3-core/=lib/v3-core/contracts/",
    "v3-periphery/=lib/v3-periphery/contracts/",
    "@uniswap/v3-core/=lib/v3-core/",
    "@uniswap/v3-periphery/=lib/v3-periphery/",
    "@openzeppelin/=lib/openzeppelin-contracts/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "shanghai",
  "viaIR": false,
  "libraries": {}
}

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