UserRoleChecker

{{
  "language": "Solidity",
  "sources": {
    "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol": {
      "content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (token/ERC20/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.20;

import {IERC20} from "../IERC20.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC-20 standard.
 */
interface IERC20Metadata is IERC20 {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the symbol of the token.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
}
"
    },
    "@openzeppelin/contracts/token/ERC20/IERC20.sol": {
      "content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.20;

/**
 * @dev Interface of the ERC-20 standard as defined in the ERC.
 */
interface IERC20 {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);

    /**
     * @dev Returns the value of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the value of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves a `value` amount of tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 value) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets a `value` amount of tokens as the allowance of `spender` over the
     * caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 value) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the
     * allowance mechanism. `value` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address from, address to, uint256 value) external returns (bool);
}
"
    },
    "contracts/interfaces/IAppOracle.sol": {
      "content": "// SPDX-License-Identifier: AGPL-3.0-or-later
pragma solidity 0.8.28;

import "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol";

interface IAppOracle {
    event OracleUpdated(address indexed token, address indexed oracle, uint256 maxStaleness);
    event FloorPriceUpdated(uint256 oldPrice, uint256 newPrice);
    event PriceFetched(
        address indexed token, uint256 amount, uint256 rzrAmount, uint256 usdAmount, uint256 lastUpdatedAt
    );

    // Errors
    error OracleNotFound(address token);
    error OracleAlreadyExists(address token);
    error OracleInactive(address token);
    error InvalidOracleAddress();
    error InvalidTokenAddress();

    /// @notice Initializes the AppOracle contract
    /// @dev This function is only callable once
    /// @param _authority The address of the authority contract
    /// @param _app The address of the app contract
    function initialize(address _authority, address _app) external;

    /**
     * @notice Update the oracle for a token
     * @param token The token address
     * @param oracle The oracle contract
     */
    function updateOracle(address token, address oracle, uint256 maxStaleness) external;

    /**
     * @notice Get the price for a token
     * @param token The token address
     * @return rzrAmount The token price in RZR
     * @return usdAmount The token price in USD
     * @return lastUpdatedAt The timestamp of the last update
     */
    function getPrice(address token)
        external
        view
        returns (uint256 rzrAmount, uint256 usdAmount, uint256 lastUpdatedAt);

    /**
     * @notice Get the price for a token in RZR for an amount
     * @param token The token address
     * @param amount The amount of the token
     * @return rzrAmount The token price in RZR for the amount
     * @return usdAmount The token price in USD for the amount
     * @return lastUpdatedAt The timestamp of the last update
     */
    function getPriceForAmount(address token, uint256 amount)
        external
        view
        returns (uint256 rzrAmount, uint256 usdAmount, uint256 lastUpdatedAt);

    /**
     * @notice Get the price for a token in RZR for an amount in the floor price
     * @param token The token address
     * @param amount The amount of the token
     * @return rzrAmount The token price in RZR for the amount
     * @return usdAmount The token price in USD for the amount
     * @return lastUpdatedAt The timestamp of the last update
     */
    function getPriceForAmountInFloor(address token, uint256 amount)
        external
        view
        returns (uint256 rzrAmount, uint256 usdAmount, uint256 lastUpdatedAt);

    /**
     * @notice Get the floor price for RZR
     * @return price The RZR floor price
     */
    function getTokenPrice() external view returns (uint256);

    /**
     * @notice Set the floor price for RZR
     * @param newFloorPrice The new RZR price
     */
    function setTokenPrice(uint256 newFloorPrice) external;
}
"
    },
    "contracts/interfaces/IOracleV2.sol": {
      "content": "// SPDX-License-Identifier: AGPL-3.0-or-later
pragma solidity 0.8.28;

import "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol";

interface IOracleV2 {
    /// @notice Get the asset of the oracle
    /// @return asset The address of the asset
    function asset() external view returns (IERC20Metadata);

    /// @notice Get the price of an asset for a given amount
    /// @dev If the asset is an LP token, the RZR and USD amounts are the amounts of RZR and USD in the LP
    /// @param amount The amount of the asset to get the price of
    /// @return rzrAssets The amount of RZR assets
    /// @return usdAssets The amount of USD assets
    /// @return lastUpdatedAt The timestamp of the last update
    function getPriceForAmount(uint256 amount)
        external
        view
        returns (uint256 rzrAssets, uint256 usdAssets, uint256 lastUpdatedAt);
}
"
    },
    "contracts/periphery/ui-helpers/UserRoleChecker.sol": {
      "content": "// SPDX-License-Identifier: AGPL-3.0-or-later
pragma solidity 0.8.28;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "../../interfaces/IAppOracle.sol";
import "../../interfaces/IOracleV2.sol";

/// @title UserRoleChecker
/// @notice A UI helper contract that provides read functions
/// to check various user roles and conditions with detailed metrics
contract UserRoleChecker {
    /// @notice The app oracle
    IAppOracle public immutable appOracle;

    /// @notice The spot oracle
    IOracleV2 public immutable spotOracle;

    struct CheckIfHoldingParams {
        IERC20 token;
        IERC20[] forwarders;
    }

    struct CheckIfHoldingMultipleParams {
        CheckIfHoldingParams[] params;
    }

    /**
     * @notice Constructor
     * @param _appOracle The address of the app oracle
     * @param _spotOracle The address of the spot oracle
     */
     constructor(address _appOracle, address _spotOracle) {
        appOracle = IAppOracle(_appOracle);
        spotOracle = IOracleV2(_spotOracle);
     }

    /**
     * @notice Check if a user is holding a specific set of tokens
     * @param user The address of the user to check
     * @param token The token to check
     * @param forwarders The addresses of the forwarders to check
     * @return isHolding Whether the user is holding the tokens
     * @return totalUsdValue The total USD value of the tokens
     * @return rzrValue The total RZR value of the tokens
     */
    function checkIfHolding(address user, IERC20 token, IERC20[] memory forwarders) public view returns (bool isHolding, uint256 totalUsdValue, uint256 rzrValue) {
        uint256 spotPrice = spotPrice();
        uint256 balance = token.balanceOf(user);

        for (uint256 j = 0; j < forwarders.length; j++) {
            balance += forwarders[j].balanceOf(user);
        }

        (uint256 rzrAmount, uint256 usdAmount,) = appOracle.getPriceForAmount(address(token), balance);
        totalUsdValue += usdAmount + (rzrAmount * spotPrice / 1e18);
        rzrValue += rzrAmount;


        isHolding = totalUsdValue > 0;
    }

    /**
     * @notice Check if a user is holding a specific set of tokens
     * @param user The address of the user to check
     * @param tokens The addresses of the tokens to check
     * @param forwarders The addresses of the forwarders to check
     * @return isHolding Whether the user is holding the tokens
     * @return totalUsdValue The total USD value of the tokens
     * @return rzrValue The total RZR value of the tokens
     */
    function checkIfHoldingMultiple(address user, IERC20[] memory tokens, IERC20[][] memory forwarders) public view returns (bool isHolding, uint256 totalUsdValue, uint256 rzrValue) {
        for (uint256 i = 0; i < tokens.length; i++) {
            (bool _isHolding, uint256 _usdAmount, uint256 _rzrAmount) = checkIfHolding(user, tokens[i], forwarders[i]);
            isHolding = isHolding || _isHolding;
            totalUsdValue += _usdAmount;
            rzrValue += _rzrAmount;
        }
    }

    /**
     * @notice Check if a user is holding a specific set of tokens
     * @param user The address of the user to check
     * @param data The data to decode
     * @return isHolding Whether the user is holding the tokens
     * @return totalUsdValue The total USD value of the tokens
     * @return rzrValue The total RZR value of the tokens
     */
    function checkIfHoldingWithData(address user, bytes memory data) public view returns (bool isHolding, uint256 totalUsdValue, uint256 rzrValue) {
        CheckIfHoldingMultipleParams memory params = abi.decode(data, (CheckIfHoldingMultipleParams));
        for (uint256 i = 0; i < params.params.length; i++) {
            (bool _isHolding, uint256 _usdAmount, uint256 _rzrAmount) = checkIfHolding(user, params.params[i].token, params.params[i].forwarders);
            isHolding = isHolding || _isHolding;
            totalUsdValue += _usdAmount;
            rzrValue += _rzrAmount;
        }
    }

    /**
     * @notice Get the USD value of a user's holdings
     * @param user The address of the user to check
     * @param data The data to decode
     * @return totalUsdValue The total USD value of the user's holdings
     */
    function getUsdValue(address user, bytes memory data) public view returns (uint256 totalUsdValue) {
        CheckIfHoldingMultipleParams memory params = abi.decode(data, (CheckIfHoldingMultipleParams));
        for (uint256 i = 0; i < params.params.length; i++) {
            (, uint256 _usdAmount, ) = checkIfHolding(user, params.params[i].token, params.params[i].forwarders);
            totalUsdValue += _usdAmount;
        }
    }

    /**
     * @notice Get the RZR value of a user's holdings
     * @param user The address of the user to check
     * @param data The data to decode
     * @return totalRzrValue The total RZR value of the user's holdings
     */
    function getRzrValue(address user, bytes memory data) public view returns (uint256 totalRzrValue) {
        CheckIfHoldingMultipleParams memory params = abi.decode(data, (CheckIfHoldingMultipleParams));
        for (uint256 i = 0; i < params.params.length; i++) {
            (, , uint256 _rzrAmount) = checkIfHolding(user, params.params[i].token, params.params[i].forwarders);
            totalRzrValue += _rzrAmount;
        }
    }

    /**
     * @notice Get the spot price
     * @return spotPrice The spot price
     */
    function spotPrice() public view returns (uint256) {
        (,uint256 spotPrice,) = spotOracle.getPriceForAmount(1e18);
        return spotPrice;
    }
}
"
    }
  },
  "settings": {
    "optimizer": {
      "enabled": true,
      "runs": 2000
    },
    "evmVersion": "paris",
    "outputSelection": {
      "*": {
        "*": [
          "evm.bytecode",
          "evm.deployedBytecode",
          "devdoc",
          "userdoc",
          "metadata",
          "abi"
        ]
      }
    },
    "metadata": {
      "useLiteralContent": true
    }
  }
}}