Contract 0xafe7090d0D6467F0AE65C3BD0A72f3F63573E6eE

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.7;

import "@openzeppelin/contracts-0.8/access/Ownable.sol";

interface IOracle {
    function update() external;
    function consult(address _token, uint256 _amountIn) external view returns (uint144 amountOut);
    function twap(address _token, uint256 _amountIn) external view returns (uint144 _amountOut);
}

interface IPriceFeed {
    function latestAnswer() external view returns (int256);
    function latestRoundData() external view
    returns (
      uint80 roundId,
      int256 answer,
      uint256 startedAt,
      uint256 updatedAt,
      uint80 answeredInRound
    );
}

contract WlrsPriceFeed is Ownable {

    IOracle public Oracle = IOracle(0x99654324B6ECAddAc4387DE13300F5B861Fd0cF3);
    IPriceFeed public PriceFeed = IPriceFeed(0xF096872672F44d6EBA71458D74fe67F9a77a23B9);
    address public WLRS = 0x395908aeb53d33A9B8ac35e148E9805D34A555D3;

    function update() external {
        Oracle.update();
    }

    function consult(address _token, uint256 _amountIn) external view returns (uint144 amountOut) {
        return Oracle.consult(_token, _amountIn);
    }

    function twap(address _token, uint256 _amountIn) external view returns (uint144 _amountOut) {
        return Oracle.twap(_token, _amountIn);
    }

    function latestUstPrice() external view returns (int256) {
        return PriceFeed.latestAnswer();
    }

    function latestRoundUstPrice() external view returns (
        uint80 roundId,
        int256 answer,
        uint256 startedAt,
        uint256 updatedAt,
        uint80 answeredInRound
    ) {
        return PriceFeed.latestRoundData();
    }

    function latestPrice() external view returns (uint256) {
        uint256 ustPrice = uint256(PriceFeed.latestAnswer());
        uint256 price = Oracle.consult(WLRS, 1e18);
        return price * ustPrice;
    }

    function setOracle(address oracle) external onlyOwner {
        Oracle = IOracle(oracle);
    }

    function setPriceFeed(address priceFeed) external onlyOwner {
        PriceFeed = IPriceFeed(priceFeed);
    }

    function setWLRS(address wlrs) external onlyOwner {
        WLRS = wlrs;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/Ownable.sol)

pragma solidity ^0.8.0;

import "../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.
 *
 * By default, the owner account will be the one that deploys the contract. 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;

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

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _transferOwnership(_msgSender());
    }

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

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing 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 {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _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 v4.4.1 (utils/Context.sol)

pragma solidity ^0.8.0;

/**
 * @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;
    }
}

{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "metadata": {
    "useLiteralContent": true
  },
  "libraries": {}
}

[{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"inputs":[],"name":"Oracle","outputs":[{"internalType":"contract IOracle","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PriceFeed","outputs":[{"internalType":"contract IPriceFeed","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"WLRS","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"},{"internalType":"uint256","name":"_amountIn","type":"uint256"}],"name":"consult","outputs":[{"internalType":"uint144","name":"amountOut","type":"uint144"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"latestPrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"latestRoundUstPrice","outputs":[{"internalType":"uint80","name":"roundId","type":"uint80"},{"internalType":"int256","name":"answer","type":"int256"},{"internalType":"uint256","name":"startedAt","type":"uint256"},{"internalType":"uint256","name":"updatedAt","type":"uint256"},{"internalType":"uint80","name":"answeredInRound","type":"uint80"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"latestUstPrice","outputs":[{"internalType":"int256","name":"","type":"int256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"oracle","type":"address"}],"name":"setOracle","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"priceFeed","type":"address"}],"name":"setPriceFeed","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"wlrs","type":"address"}],"name":"setWLRS","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"},{"internalType":"uint256","name":"_amountIn","type":"uint256"}],"name":"twap","outputs":[{"internalType":"uint144","name":"_amountOut","type":"uint144"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"update","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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